GB 4706.16-1986 Safety of household and similar electrical appliances. Special requirements for battery-powered electric shavers, electric clippers and their charging and battery packs.
Some standard content:
National Standards of the People's Republic of China
Safety of household and similar electrical appliances
Special requirements for battery-operated electric shavers, electric clippers and their charging and battery packs
Safety of household and
similar electrical appliancesParticular requirements for battery-poweredshavers, hair clippers and
their charging and battery assembliesUDC621.3:614
.8:64
GB4706.16- 86
This standard applies to the special requirements for battery-driven electric shavers, electric clippers and their charging and battery packs in the safety of household and similar electrical appliances. Safety of and similar electrical appliances Part 2: Particular requirements for battery-operated electric shavers, electric clippers and their charging and battery packs. This standard should be used in conjunction with GB4706.1-84 "General safety requirements for household and similar electrical appliances". The parts of this standard that say "applicable" mean that the corresponding clauses, clauses and clauses in GB4706.1-84 are applicable to this standard; the parts of this standard that say "replace" should be replaced by the provisions of this standard. shall prevail; the part marked "added" in this standard means that in addition to complying with the corresponding provisions of GB4706.1-84, it must also comply with the additional provisions in this standard. 1Scope
Except for the following content, this chapter in GB4706.1-84 applies. 1.1 This standard applies to rechargeable battery-powered electric shavers, household electric clippers and similar appliances used for massaging, trimming nails (toes), including battery-driven motors and charging devices that are charged by power sources. Battery device. Note: ①Including electric clippers for trimming animals, but the relevant personal safety parts are inspected. ②This standard does not include electric massagers.
2 Glossary
Except for the following content, this chapter in GB4706.1-84 applies. 2.2.30 This paragraph is replaced by the following:
The normal load of the charging device means that the charging device connected to the power source is connected to the battery device and connected to the relevant motor device at an appropriate position so that the charging device is in normal use state load. The normal load of the motor device means that when the appliance equipped with the motor device is fixed with a suitable torsion clamp, its main shaft and cutting end or the main shaft of the accessory are in a horizontal plane and operate in still air without external load, the accessory may exert Except for the load. And work under the following conditions:
Electric shavers, electric clippers and appliances with various attachments for haircuts, massages, nail trimming and similar purposes only for household use, work 10min, with the maximum load applied by the attachment used. For hair clippers used to trim animals, they should be operated continuously until a stable state is established. , other electric hair clippers should work for 10 minutes, then stop for 10 minutes, and repeat the cycle until a stable state is established. Note: The torsion clamp is of lightweight construction and should be positioned so that the effect of heat conduction from the appliance is so small as to be negligible. Published by the National Bureau of Standards on April 14, 1986
Implemented on 1986-10-01
The following clauses are added to this chapter:
GB4706.16-86
2.101 Appliances by It consists of three parts: motor device, battery device and charging device, which are classified as follows Type A: the above three parts are installed in one component, and their power supply voltages are equal. Type B: The above three parts are installed in two or three parts that can be separated. When connected together, their power supply voltages are equal. Type C: The above three parts are installed in two or three parts that can be separated. device. The voltage of the battery unit and the supply voltage are equal but the voltage of the motor unit and the supply voltage are not. Only when the device is completely disconnected from the source can the motor device be connected to the battery device. Type D: The above three parts are installed in one component, but the charging device is equipped with a safety transformer so that the voltage output to the battery is limited to the safety extra-low voltage range. .
Type E: The above three parts are installed in two or three separable parts. The charging device is separated from the battery device and motor device, and has at least one input winding of the safety transformer, battery device and motor. The voltage of the device is only safety extra-low voltage. Figure 1 is a schematic diagram of the above type
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GB4706.16—86
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indicates a charging device with a safety transformer Type B
Type C
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Figure 1 Appliance Schematic diagram of each component classification
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Note: ① The term "component", within the scope of this standard, is used to mean all devices included in its own housing. ② Unless a component is separated from the power supply by a safety transformer, it is at the mains voltage. Motor parts
Type D
Type E
③The motor device of type A, B, D, and E appliances can be directly connected to the power source for operation with or without its charging device. ④ Intermediate cables and appliance couplers can be used to connect each charging device, battery device and motor device. For the connection between the charging device and the battery device of E-type electrical appliances, an inductive coupler can be used. 3 General requirements
This chapter in GB4706.1-84 applies.
4 General instructions in testing
GB4706.16-86
Except for the following content, this chapter in GB4706.1-84 applies. 4.2 The following content is added to this article:
Unless otherwise specified, the motor device of type C appliances and the motor device and battery device of type E appliances do not need to be tested. If you need to repeat the test in Chapter 18, add another sample. The tests of 20.101 shall be performed on individual samples. 4.8 This article does not apply.
4.9 This article adds the following content:
If there is an adjustment device that allows the user to select different charging and operating positions, the device should be adjusted to the most unfavorable state. Articles 4.10 and 4.12 are not applicable.
4.14 This article is replaced by the following:
Unless otherwise specified, under the conditions permitted by the design, the various devices of type B, C, and E appliances can be connected to each other for testing. The following clauses are added to this chapter:
4.101 Before and during the test, the cutting end should be lubricated with a few drops of light oil (sewing machine oil can be used). Light oils are used to mimic the lubrication provided by skin or hair under normal use. 5 Ratings
This chapter in GB4706.1-84 is replaced by the following content. The rated voltage of single-phase AC appliances is 220V. Compliance is determined by inspecting the mark.
6 classification
This chapter in GB4706.1-84 applies.
See clause 22.1.
7 mark
Except for the following content, this chapter of GB4706.1--84 applies. 7.1 The following content is added to this article:
The instruction manual attached to the appliance or the retail parts of type B, C, and E appliances should indicate which parts are connected to each other. The motor and battery components of these appliances are marked only with the manufacturer's name, trademark and product model or reference model number. For appliances with batteries that can be disassembled or repaired by the user, the manufacturer's name, trademark and product model or reference model must be marked on the battery box.
7.3 This article does not apply.
7.4 The following content is added to this article:
Note: The voltage setting position of appliances with different voltage ranges can be determined according to a certain voltage value in the voltage range given by the manufacturer's instructions. Articles 7.5, 7.8 and 7.12 are not applicable. 8 Protection against electric shock
Except for the following content, this chapter in GB4706.1-84 applies. 8.4 This clause does not apply.
9 Start-up of electric appliances
GB4706.16-86
Except for the following content, this chapter in GB4706.1-84 applies. 9.1 This article is replaced by the following:
This test does not apply to motor devices that operate only when connected to a battery. 9.2 This clause does not apply.
10 Input power and current
Except for the following content, this chapter in GB4706.1--84 applies. 10.3 This article does not apply.
11 Fever
Except for the following content, this chapter in GB4706.1-84 applies. 11.2 This article is replaced with the following:
The test in article 11.7 is started when the battery is under normal load, the motor has stopped running, and the battery is hot. 11.3 The following content is added to this article:
The temperature rise of parts that need to come into contact with skin or hair during normal use, or parts that are held in the hand, and parts that need to be held when connected or disconnected from the power socket , shall not exceed the limits specified for continuous holding of the handle during normal use. The determination of the temperature rise of these parts applies to each accessory used with the appliance. 11.4 This clause does not apply.
11.5 This article is replaced by the following:
The charging device is operated under normal load and at the most unfavorable voltage between 0.94 times the minimum rated voltage and 1.06 times the maximum rated voltage.
11.6 This article does not apply.
11.7 This article is replaced by the following:
The temperature rise of type A, B, and D appliances, the temperature rise of the charging device and battery device of type C appliances, and the temperature rise of the charging device of type E appliances liters, measured under the following conditions:
A motor unit operated by direct connection to the power supply through a charging device, operating under normal load conditions. The battery device is charged according to its rated charging time, or for 24 hours, whichever is longer. After charging, the motor device is powered by the battery device and works under normal load conditions. If possible the charging device remains connected to the mains.
If the charging device for type D and E appliances is connected to the power supply and the secondary circuit is disconnected and the no-load current of the primary circuit exceeds the current in the other tests of this article, the charging device shall act as such. Run until steady state is established. Note: The latter situation often occurs on type E appliances with inductive couplers. 12 This chapter in GB4706.1-84 does not apply when electrical appliances with electric heating elements are operated under overload conditions. 13 Electrical insulation and leakage current at operating temperature This chapter in GB4706.1-84 applies.
14 Suppression of radio interference and television interference This chapter in GB4706.1-84 applies.
15 waterproof
This chapter in GB4706.184 applies.
16 Leakage current, insulation resistance and electrical strength GB4706.16-86
Except for the following content, this chapter in GB4706.1-84 applies. 16.1 This article is replaced by the following:
Whether qualified shall be checked according to the tests of Articles 16.3 and 16.4. This article adds the following content:
The word "body" in this article refers to the easily accessible parts of the output circuit of E-type appliances. The "live part" is considered to be only applicable to the input circuit.
16.2 This article does not apply.
16.4 This article is replaced by the following:
The following test voltages are applied between the charging device connected to the power source and the circuit of the motor and battery device of type D and E appliances. The rated voltage of the appliance is 42V and below 2500V. The rated voltage of the appliance is 220V...
17 Overload protection
.·3750V
Except for the following, GB4706.1-84 The chapter in applies. 17.1 This article is replaced by the following:
When the battery is fully charged, the battery and the battery circuit with accessible terminals shall be short-circuited and shall comply with the requirements of Article 19.11. 18 Durability
Except for the following content, this chapter in GB4706.1-84 applies. 18.1 The third paragraph of this article is replaced by the following: Whether the motor device of type A, B, or D appliances is qualified shall be determined according to the tests of Articles 18.2 and 18.6. Paragraph 4 of this Article does not apply.
18.2 This clause is replaced by the following:
If the motor device is operated with a direct connection to the power supply through its charging device, all such devices shall together withstand the following durability test.
Electric shavers, electric hair clippers and appliances used with attachments for haircuts, massages, manicure (toe) trimming and similar purposes only for household use, operate for 10 minutes and then stop for 50 minutes. The appliance shall be subjected to a test for 100 of the above-mentioned cycles when the supply voltage is equal to 1.10 times the rated voltage and for a further 100 cycles when the supply voltage is equal to 0.90 times the rated voltage. Other appliances are tested according to the provisions of the general part of GB4706.1-84, and their working time is 48 hours. When stopping, cut off the power supply to the charging device and disconnect the motor device from the battery device. If the motor unit operates solely from its battery unit, the motor unit shall be connected to a power source equivalent to that of the battery unit and the durability test described above shall be carried out.
18.6 This article is replaced by the following:
The applied test voltage is:
1000V for basic insulation;
2750V for a pair of supplementary insulation.
The capacitor is not disconnected during the 1000V test. 19 Abnormal operation
GB4706.16--86
Except for the following content, this chapter in GB4706.1-84 applies. 19.1 Item a. in this article does not apply.
Item b. in this article is replaced by the following:
If the motor device can operate through its charging device and a direct connection to the power supply, the tests of 19.6 and 19.10 are applicable.
If the appliance contains components such as semiconductor devices, capacitors, resistors and inductors, supplementary clause 19.11 applies. Note: The charging unit and battery unit may be used as unattended units. The tenth paragraph of this article is replaced with the following: During the test of Articles 19.6, 19.9 and Supplementary Article 19.101, the appliance must comply with the requirements of 19.9 and 19.11, but the provisions of Article 19.9 do not apply to types C and E Electrical devices for appliances. The four articles 19.2 to 19.5 are not applicable. | |tt | Not higher than 150℃. Compliance is determined by operating the appliance on the surface described above until a stable temperature is obtained. Note: Appliances must not have rotating parts that are liable to become jammed. 19.7 This clause does not apply.
19.9 This article is replaced by the following:
All charging devices should apply rated voltage or the upper limit of the rated voltage range at their charging position for 7 consecutive days, and the battery or motor should be Connected separately but not working. Parts with latches inserted into fixed socket-outlets shall be covered with double insulating material. Note: Double insulation material can be felt or polyurethane foam on a polyester base, with a nominal thickness of 20mm. 19.10 This article is replaced by the following:
This test is only applicable to motor devices of type A, B, and D appliances that can be operated by direct connection to the power supply through their charging devices. After removing removable parts that may affect the load, operate the motor unit to achieve the minimum load. The following clauses are added to this chapter:
19.101 If the appliance contains components such as semiconductor devices, capacitors, resistors or inductors, and the short circuit or open circuit of these components may cause danger, these components should be short-circuited. Or break the circuit, choose the least favorable one. and make the appliance work in accordance with the documents specified in Chapter 11.
Short circuits or open circuits are carried out in sequence based on the inferred possible fault conditions. The fault can usually be found by checking the appliance and its circuit diagram, and the experiments are carried out in the most convenient order. 20 Stability and mechanical hazards
Except as follows, this chapter in B4706.1-84 applies. 20.1 This clause does not apply.
The following clauses are added to this chapter:
20.101 The battery pack should have sufficient protection to prevent damage due to overcharging or reverse charging. The purpose of protection is to eliminate any fire or explosion hazard that may occur when the appliance is being charged and left unattended, and to prevent any internal damage that is not within the scope of the requirements of Chapter 8. Qualification can be determined by charging twice the specified time under normal charging conditions, then completely discharging one cell of the battery pack at the normal discharge rate, and keeping the motor "on" for 1 hour. This provides a guarantee for backcharging a battery. During the test, the appliance shall not produce flames or splash molten metal. Even if it bursts, the appliance shall not cause harm to the user while holding it in the hand. After the test, the appliance is not required to continue to work, but type A, B, and D appliances should meet the requirements of the electrical strength test in Article 16.4. Note: If the battery pack has only one cell, the above test is not applicable. 21 Mechanical strength
GB4706.16-86
Except for the following content, this chapter in GB4706.1-84 applies. 21.1 This article is replaced by the following:
The impact test is not applicable to the cutting end.
The impact test with an impact energy of 0.5Nm is only applicable to those parts that may impact the ground when the appliance is dropped. For other parts, when the hammer head spring is adjusted to about 17mm, the product of its compression in millimeters and the spring tension in Newtons should be equal to 700. Through such adjustment, the impact energy is 0.35±0.05Nm. Add the following content to this article:
If the device can be disassembled, it can be tested separately. For type C appliances this test is carried out on the charging device and the battery device. For type E appliances, this test is only carried out on the charging device. The three items 21.2 to 21.4 are not applicable.
The following clause is added to this chapter:
21.101 If the component or assembled component that can be directly inserted has a pin connected to a fixed socket, it must also withstand the roller test. The roller is shown in Figure 2. The rotation speed is 5 rpm. If the mass of the component or combined component is 250g or less, rotate 50 times. If the mass exceeds 250g, rotate 25 times. After the test, the component or combination of components is not required to continue to function. However, there should be no damage within the scope of this standard, and deformation of the pin can be ignored.
Steel plate thickness 3mm
103
275
The dimensions of the drum specified in Figure 2Www.bzxZ.net
22 structure
Except for the following , this chapter in GB4706.1-84 applies. 22.1 This article is replaced by the following:
GB4706.16-86
The charging device and battery device of type A, B, D appliances and type C appliances and the charging device of type E appliances shall be in accordance with Its protection against electric shock is classified into Class II or Class III.
22.4 The following content is added to this article:
Type A, B, and D electric shavers and electric clippers should be designed to prevent cutting objects from entering places that may cause electrical or mechanical failures. The six articles 22.26 to 22.31 are not applicable.
23 Internal wiring
Except for the following content, this chapter in GB4706.1-84 applies. 23.6 The following content is added to this article:
This article also applies to motor devices of type C appliances and motor devices and battery devices of type E appliances. 23.7 This clause does not apply.
24 components
Except for the following content, this chapter in GB4706.1-84 applies. 24.3 This clause does not apply.
24.4 This article adds the following content:
This requirement also applies to plugs and sockets used at battery voltage. Connectors between components of type B, C and E appliances shall not be interchangeable. 24.9 This article is replaced by the following:
Type A and D electric clippers for animal hair trimming should be equipped with a switch in the power circuit. 25 Power supply connection and external flexible cables and cords
Except for the following content, this chapter in GB4706.1-84 applies. 25.3 This article is replaced by the following:
Note: For various types of appliances with charging devices, each component may be equipped with a pin connected to a fixed socket. Parts containing electric clipper motor units for trimming animals of types A, B and D shall not be equipped with appliance sockets. The following content is added to this article:
Appliance sockets for parts of electric clippers other than those intended for household use only, shall have a rated current of at least 1A. If the cable assembly used uses flat two-strand metallic cord, this unit shall be equipped with a microappliance socket. 25.6 This article is replaced by the following:
Electric shavers, electric clippers and accessories for haircuts, massages, manicure (toe) trimming and similar purposes only for household use: Appliances, the following lightweight flexible cables or cords are allowed to be used. Type A and D appliances: nitrile polyvinyl chloride compound insulated cord (JB1170-75 "Nitrile polyvinyl chloride compound insulated cord");
A power connection with charging device components for type B, C, and E appliances Use: light rubber sheathed flexible cable (GB1169-74 "Universal Rubber Sheathed Flexible Cable") or polyvinyl chloride insulated flexible cord (JB1599-75 "Polyvinyl chloride insulated flexible cord"); components of type B appliances and charging of type C appliances Connection with battery components: Nitrile polyvinyl chloride composite insulated cord (JB1170-75)
Electric clippers for animal hair trimming, the following light flexible cables or cords are allowed. - Mains connections for parts of appliances of types A and D and of appliances of types B and E with charging device, if the motor unit can be supplied directly from the mains via the charging device and the length of the flexible cable or cord exceeds 2 m: light rubber Covered flexible cable (GB1169-74) or similar polyvinyl chloride insulated flexible cord (JB1599-75); - Power connection for components with charging devices of type B other appliances and components of type E appliances: light rubber sheathed flexible cable ( GB1169—6 The following content is added to this article:
This article also applies to motor devices of type C appliances and motor devices and battery devices of type E appliances. 23.7 This clause does not apply.
24 components
Except for the following content, this chapter in GB4706.1-84 applies. 24.3 This clause does not apply.
24.4 This article adds the following:
This requirement also applies to plugs and sockets used at battery voltage. Connectors between components of type B, C and E appliances shall not be interchangeable. 24.9 This article is replaced by the following:
Type A and Type D electric clippers for animal hair trimming should be equipped with a switch in the power circuit. 25 Power supply connection and external flexible cables and cords
Except for the following content, this chapter in GB4706.1-84 applies. 25.3 This article is replaced by the following:
Note: For various types of appliances with charging devices, each component may be equipped with a plug connected to a fixed socket. Parts containing electric clipper motor units for trimming animals of types A, B and D shall not be equipped with appliance sockets. The following content is added to this article:
Appliance sockets for parts of electric clippers other than those intended for household use only, shall have a rated current of at least 1A. If the cable assembly used uses flat two-strand metallic cord, this unit shall be equipped with a microappliance socket. 25.6 This article is replaced by the following:
Electric shavers, electric clippers and accessories for haircuts, massages, manicure (toe) trimming and similar purposes only for household use: Appliances, the following lightweight flexible cables or cords are allowed to be used. Type A and D appliances: nitrile polyvinyl chloride compound insulated cord (JB1170-75 "Nitrile polyvinyl chloride compound insulated cord");
A power connection with charging device components for type B, C, and E appliances Use: light rubber sheathed flexible cable (GB1169-74 "Universal Rubber Sheathed Flexible Cable") or polyvinyl chloride insulated flexible cord (JB1599-75 "Polyvinyl chloride insulated flexible cord"); components of type B appliances and charging of type C appliances Connection with battery components: Nitrile polyvinyl chloride composite insulated cord (JB1170-75)
Electric clippers for animal hair trimming, the following light flexible cables or cords are allowed. - Mains connections for parts of appliances of types A and D and of appliances of types B and E with charging device, if the motor unit can be supplied directly from the mains via the charging device and the length of the flexible cable or cord exceeds 2 m: light rubber Covered flexible cable (GB1169-74) or similar polyvinyl chloride insulated flexible cord (JB1599-75); - Power connection for components with charging devices of type B other appliances and components of type E appliances: light rubber sheathed flexible cable ( GB1169—6 The following content is added to this article:
This article also applies to motor devices of type C appliances and motor devices and battery devices of type E appliances. 23.7 This clause does not apply.
24 components
Except for the following content, this chapter in GB4706.1-84 applies. 24.3 This clause does not apply.
24.4 This article adds the following content:
This requirement also applies to plugs and sockets used at battery voltage. Connectors between components of type B, C and E appliances shall not be interchangeable. 24.9 This article is replaced by the following:
Type A and D electric clippers for animal hair trimming should be equipped with a switch in the power circuit. 25 Power supply connection and external flexible cables and cords
Except for the following content, this chapter in GB4706.1-84 applies. 25.3 This article is replaced by the following:
Note: For various types of appliances with charging devices, each component may be equipped with a plug connected to a fixed socket. Parts containing electric clipper motor units for trimming animals of types A, B and D shall not be equipped with appliance sockets. The following content is added to this article:
Appliance sockets for parts of electric clippers other than those intended for household use only, shall have a rated current of at least 1A. If the cable arrangement used uses a flat two-strand metallic cord, this unit shall be equipped with a microappliance socket. 25.6 This article is replaced by the following:
Electric shavers, electric clippers and accessories for haircuts, massages, manicure (toe) trimming and similar purposes only for household use: Appliances, the following lightweight flexible cables or cords are allowed to be used. Type A and D appliances: nitrile polyvinyl chloride compound insulated cord (JB1170-75 "Nitrile polyvinyl chloride compound insulated cord");
A power connection with charging device components for type B, C, and E appliances Use: light rubber sheathed flexible cable (GB1169-74 "Universal Rubber Sheathed Flexible Cable") or polyvinyl chloride insulated flexible cord (JB1599-75 "Polyvinyl chloride insulated flexible cord"); components of type B appliances and charging of type C appliances Connection with battery components: Nitrile polyvinyl chloride composite insulated cord (JB1170-75)
Electric clippers for animal hair trimming, the following light flexible cables or cords are allowed. - Mains connections for parts of appliances of types A and D and of appliances of types B and E with charging device, if the motor unit can be supplied directly from the mains via the charging device and the length of the flexible cable or cord exceeds 2 m: light rubber Covered flexible cable (GB1169-74) or similar polyvinyl chloride insulated flexible cord (JB1599-75); - Power connection for components with charging devices of type B other appliances and components of type E appliances: light rubber sheathed flexible cable ( GB1169—
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