CN213521272U - A-type leakage protection mobile device - Google Patents
A-type leakage protection mobile device Download PDFInfo
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- CN213521272U CN213521272U CN202021658548.2U CN202021658548U CN213521272U CN 213521272 U CN213521272 U CN 213521272U CN 202021658548 U CN202021658548 U CN 202021658548U CN 213521272 U CN213521272 U CN 213521272U
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Abstract
The utility model provides a mobile device of A type earth leakage protection, include: the device comprises a shell (1), a control component, a trip coil (5), a lead (7), an inserting piece (8), a circuit board (6) and a mutual inductor (2); the trip coil (5), the circuit board (6) and the mutual inductor (2) are arranged inside the A-type leakage protection mobile equipment; the control component is arranged on the upper part of the A-type leakage protection mobile equipment; the lead (7) is connected with the shell (1). The utility model discloses in, A type earth leakage protection solution not only limits to use 2147,4601 or other A type earth leakage protection chips, also can use AC type earth leakage chip and peripheral circuit to realize A type earth leakage protection function. The utility model discloses in, A type earth leakage protection electronic circuit board not only is limited to the use on the plug, uses on the socket, also can be on other mobile terminal equipment, for example remove charging cable etc. provides perfect person and equipment protection.
Description
Technical Field
The utility model relates to a, specifically, relate to a mobile device of A type earth leakage protection.
Background
With the development of economy and the advancement of society, earth leakage protection plugs or sockets are widely used for large electrical appliances: televisions, air conditioners, washing machines, refrigerators, water heaters, disinfection cabinets and the like; the life electrical apparatus: an intelligent electric fan, a cold and hot water dispenser, a multifunctional dust collector, a hanging ironing machine, a combined sound box, a computer, a charger, a multifunctional tea boiler and the like; kitchen appliances: the leakage protection of terminal electrical appliances such as induction cookers, microwave ovens, cooking machines, juicers, soybean milk makers, intelligent electric rice cookers, electric pressure cookers, multifunctional electric ovens and the like, electric tools, medical equipment, instruments and meters and the like. The power utilization equipment tends to be complicated, the energy-saving and environment-friendly consciousness is deeply conscious, the rectification, frequency conversion and switching power supply equipment is widely applied, more and more non-sinusoidal residual leakage current and harmonic current appear in a power grid, the phenomenon of false triggering or leakage failure often appears in a traditional AC type residual leakage protection plug or socket, a large amount of property loss and casualties are caused, and the market demand cannot be met. Therefore, the a-type leakage protector which can ensure tripping of both alternating current and pulsating direct current leakage is widely popularized. However, at present, the AC leakage protection plug and socket still occupy the marketing market of the domestic leakage protector, so that it is of great significance to develop a domestic leakage protection plug and socket which has high reliability, high speed, high precision and high cost performance and is suitable for the domestic power grid. There is a need in the art for a mobile device with type a leakage protection.
Patent document CN202167827U discloses a safety quick-break leakage protector, which comprises a power circuit, a sampling circuit, a main control circuit, a pair of single-pole single-throw switches, an on-off mechanism control circuit, and a test circuit. The utility model provides a power supply for the safe quick-break leakage protector through the power circuit; the sampling circuit collects and outputs a leakage current signal between the live wire and the zero line; the main control circuit receives a leakage current signal output by the sampling circuit, amplifies the leakage current signal, and outputs a grounding failure control signal when the leakage current reaches a preset value; the on-off mechanism control circuit controls the single-pole single-throw switch to disconnect the load from the external power supply according to the ground fault control signal. There is still room for improvement in structure and performance.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a mobile device of A type earth leakage protection.
According to the utility model provides a pair of mobile device of A type earth leakage protection, include: the device comprises a shell 1, a control component, a trip coil 5, a lead 7, an inserting piece 8, a circuit board 6 and a mutual inductor 2; the trip coil 5, the circuit board 6 and the mutual inductor 2 are arranged inside the A-type leakage protection mobile equipment; the control component is arranged on the upper part of the A-type leakage protection mobile equipment; the lead 7 is connected with the shell 1;
preferably, the method further comprises the following steps: an inserting sheet 8;
the inserting piece 8 is arranged at the lower part of the A-type leakage protection mobile equipment;
preferably, the method further comprises the following steps: a reset button 3;
the reset button 3 is arranged on the upper part of the A-type leakage protection mobile equipment;
preferably, the method further comprises the following steps: a test button 4;
the test button 4 is arranged on the upper part of the A-type leakage protection mobile equipment;
preferably, the housing 1 comprises: the upper part of the shell and the lower part of the shell;
the trip coil 5, the circuit board 6 and the mutual inductor 2 are arranged in a space formed by the upper part of the shell and the lower part of the shell;
preferably, the housing 1 is a plastic housing;
preferably, the method further comprises the following steps: an electronic circuit;
the electronic circuit is arranged on the circuit board 6;
preferably, the electronic circuit adopts any one of the following components:
-a type a leaky chip;
AC-type leaky chip plus peripheral circuitry.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses in, A type earth leakage protection solution not only limits to use 2147,4601 or other A type earth leakage protection chips, also can use AC type earth leakage chip and peripheral circuit to realize A type earth leakage protection function.
2. The utility model discloses in, A type earth leakage protection electronic circuit board not only is limited to the use on the plug, uses on the socket, also can be on other mobile terminal equipment, for example remove charging cable etc. provides perfect person and equipment protection.
3. The utility model discloses rational in infrastructure, convenient to use can overcome prior art's defect.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a detailed block diagram and a functional schematic diagram of each module in an embodiment of the present invention.
Fig. 3 is a schematic diagram of an experimental effect in an embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
As shown in fig. 1-3, according to the utility model provides a mobile device of a type earth leakage protection includes: the device comprises a shell 1, a control component, a trip coil 5, a lead 7, an inserting piece 8, a circuit board 6 and a mutual inductor 2; the trip coil 5, the circuit board 6 and the mutual inductor 2 are arranged inside the A-type leakage protection mobile equipment; the control component is arranged on the upper part of the A-type leakage protection mobile equipment; the lead 7 is connected to the housing 1.
The A-type leakage protection plug and socket aims at the specific conditions of the domestic power grid, compared with the prior art, the sensitive automatic power-off protection plug and socket has the advantages of high efficiency, low system cost, capability of solving the problems that when residual current action and electric shock occur, the automatic power-off protection plug and socket immediately acts within a limited time to protect and the like, can greatly promote the popularization and use process of the A-type leakage protector, and has positive significance for protecting the property and life safety of people.
Preferably, the method further comprises the following steps: an inserting sheet 8;
the inserting piece 8 is arranged at the lower part of the A-type leakage protection mobile equipment;
preferably, the method further comprises the following steps: a reset button 3;
the reset button 3 is arranged on the upper part of the A-type leakage protection mobile equipment;
preferably, the method further comprises the following steps: a test button 4;
the test button 4 is arranged on the upper part of the A-type leakage protection mobile equipment;
preferably, the housing 1 comprises: the upper part of the shell and the lower part of the shell;
the trip coil 5, the circuit board 6 and the mutual inductor 2 are arranged in a space formed by the upper part of the shell and the lower part of the shell;
preferably, the housing 1 is a plastic housing;
preferably, the method further comprises the following steps: an electronic circuit;
the electronic circuit is arranged on the circuit board 6;
preferably, the electronic circuit adopts any one of the following components:
-a type a leaky chip;
AC-type leaky chip plus peripheral circuitry.
Specifically, in one embodiment, the plug product adopts a plastic shell, a test button, a reset button, a trip coil, a lead and a plug sheet, and the plug and the socket are combined by an A-type leakage protection circuit board, a mutual inductor and the like.
The leakage current detection is carried out through a current transformer, the electronic circuit board judges that the leakage current is compared with a set tripping value, a corresponding signal is sent to the action mechanism, and the tripping coil enables all the electrified conductors of a corresponding line to be cut off (in a TNS system, if the neutral line and the ground are equal in potential, the neutral line is allowed not to be cut off). The electronic circuit board adopts an A-type leakage chip or an AC-type leakage chip and a peripheral circuit to realize an A-type leakage protection function.
The type a residual current protection device is subjected to more rigorous type tests:
according to the requirements of GB6829 general requirements of residual current operated protectors (equivalent to IEC60755) and GB 16981 residual current operated circuit breakers with overcurrent protection for household and similar applications (equivalent to IEC 1009-1);
I. verify correct behavior when the residual pulsating dc current continuously rises (measure action current when current steadily rises): the current lag angles are respectively selected from 0 degree, 90 degrees and 135 degrees; half-wave electricity; both positive and negative currents were tested.
Verification of correct action when sudden residual pulsating dc current occurs (sudden application of a given pulsating residual current, measurement of action time): current lag angle 0 degree; half-wave electricity; both positive and negative currents were tested.
Verifying correct action under load at the reference temperature: the same test as the first test, but with rated load;
and IV, verifying the correct action when the residual pulsating direct current is superposed with 0.006A smooth direct current: as in the first experiment, but with a 6 ma smooth dc superimposed on the test current, as shown in figure 3.
The utility model discloses in, A type earth leakage protection solution not only limits to use 2147,4601 or other A type earth leakage protection chips, also can use AC type earth leakage chip and peripheral circuit to realize A type earth leakage protection function.
The utility model discloses in, A type earth leakage protection electronic circuit board not only is limited to the use on the plug, uses on the socket, also can be on other mobile terminal equipment, for example remove charging cable etc. provides perfect person and equipment protection.
The utility model discloses rational in infrastructure, convenient to use can overcome prior art's defect.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (9)
1. A type A leakage protected mobile device, comprising: the device comprises a shell (1), a control part, a trip coil (5), a lead (7), an inserting piece (8), a circuit board (6) and a mutual inductor (2);
the trip coil (5), the circuit board (6) and the mutual inductor (2) are arranged inside the A-type leakage protection mobile equipment;
the control component is arranged on the upper part of the A-type leakage protection mobile equipment;
the lead (7) is connected with the shell (1).
2. The type a earth leakage protected mobile device of claim 1, further comprising: an insert (8);
the inserting piece (8) is arranged on the lower portion of the A-type leakage protection mobile device.
3. The type a earth leakage protected mobile device of claim 1, further comprising: a reset button (3);
the reset button (3) is arranged on the upper part of the A-type leakage protection mobile equipment.
4. The type a earth leakage protected mobile device of claim 1, further comprising: a test button (4);
the test button (4) is arranged on the upper part of the A-type leakage protection mobile equipment.
5. A type earth leakage protected mobile device according to claim 1, characterized in that said casing (1) comprises: the upper part of the shell and the lower part of the shell;
the trip coil (5), the circuit board (6) and the mutual inductor (2) are arranged in a space formed by the upper part of the shell and the lower part of the shell.
6. A earth leakage protected mobile device of type a according to claim 1, characterized in that the housing (1) is a plastic housing.
7. The type a earth leakage protected mobile device of claim 1, further comprising: an electronic circuit;
the electronic circuit is arranged on the circuit board (6).
8. An earth leakage protection type a mobile device according to claim 7, characterized in that the electronic circuit employs any one of the following components:
-a type a leaky chip;
AC-type leaky chip plus peripheral circuitry.
9. A type A leakage protected mobile device, comprising: the device comprises a shell (1), a control part, a trip coil (5), a lead (7), an inserting piece (8), a circuit board (6) and a mutual inductor (2);
the trip coil (5), the circuit board (6) and the mutual inductor (2) are arranged inside the A-type leakage protection mobile equipment;
the control component is arranged on the upper part of the A-type leakage protection mobile equipment;
the lead (7) is connected with the shell (1);
further comprising: an insert (8);
the inserting piece (8) is arranged at the lower part of the A-type leakage protection mobile equipment;
further comprising: a reset button (3);
the reset button (3) is arranged on the upper part of the A-type leakage protection mobile equipment;
further comprising: a test button (4);
the test button (4) is arranged on the upper part of the A-type leakage protection mobile equipment;
the housing (1) comprises: the upper part of the shell and the lower part of the shell;
the trip coil (5), the circuit board (6) and the mutual inductor (2) are arranged in a space formed by the upper part of the shell and the lower part of the shell;
the shell (1) is a plastic shell;
further comprising: an electronic circuit;
the electronic circuit is arranged on the circuit board (6);
the electronic circuit adopts any one of the following components:
-a type a leaky chip;
AC-type leaky chip plus peripheral circuitry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021658548.2U CN213521272U (en) | 2020-08-11 | 2020-08-11 | A-type leakage protection mobile device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021658548.2U CN213521272U (en) | 2020-08-11 | 2020-08-11 | A-type leakage protection mobile device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213521272U true CN213521272U (en) | 2021-06-22 |
Family
ID=76439787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021658548.2U Active CN213521272U (en) | 2020-08-11 | 2020-08-11 | A-type leakage protection mobile device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213521272U (en) |
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2020
- 2020-08-11 CN CN202021658548.2U patent/CN213521272U/en active Active
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