CN211017632U - Overheat protection device of leakage protection plug - Google Patents
Overheat protection device of leakage protection plug Download PDFInfo
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- CN211017632U CN211017632U CN201922161115.XU CN201922161115U CN211017632U CN 211017632 U CN211017632 U CN 211017632U CN 201922161115 U CN201922161115 U CN 201922161115U CN 211017632 U CN211017632 U CN 211017632U
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- plug base
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Abstract
The utility model discloses an overheat protection device of earth leakage protection plug, including the plug base, the inlet wire has been seted up to the side of plug base, the power cord has been placed to the upper surface of inlet wire, the upper surface of plug base is fixedly connected with live wire wiring stake, zero line wiring stake, ground wire wiring stake and overheat protection ware respectively, the upper surface of live wire wiring stake, zero line wiring stake and ground wire wiring stake all has the conduction copper sheet through screw swing joint. This overheat protection device of earth leakage protection plug utilizes the temperature detect switch coupling of signal line and domestic appliance inside through overheat protector, when the electrical apparatus temperature exceedes its load temperature, triggers temperature detect switch, and temperature detect switch passes through signal line looks overheat protector and spreads the signal, makes overheat protector open circuit action to overheated trouble display lamp lights, treats that maintenance personal checks and gets rid of the electrical apparatus trouble, and all normal back of electrical apparatus press the trouble reset button, make domestic appliance reach overheat protection's effect.
Description
Technical Field
The utility model relates to an electrical apparatus overheat protection technical field specifically is an overheat protection device of earth leakage protection plug.
Background
The power plug is a device for connecting devices such as electrical appliances to a power supply, the household alternating current power plug and the household alternating current power socket are provided with a male connector protruding in a rod shape or a copper plate shape, and a female connector type power socket inserted with a slot or a concave hole in a physical mode.
Present household electrical appliances can all produce certain heat after the circular telegram, and the heat can not cause harm to domestic appliance in certain extent, but the heat that domestic appliance produced has surpassed the heat of electrical apparatus load, will influence the life of electrical apparatus, if not in time cut off the power supply, the temperature that will lead to electrical apparatus continuously rises, when the temperature rises to being high enough, probably can lead to the emergence of conflagration, current plug all has earth leakage protection device basically, nevertheless does not possess overheat protection's function, the utility model provides an overheat protection device of earth leakage protection plug.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an overheat protection device of earth leakage protection plug to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an overheat protection device of earth leakage protection plug, includes plug base, the incoming line mouth has been seted up to plug base's side, the power cord has been placed to the upper surface of incoming line mouth, plug base's upper surface difference fixedly connected with live wire wiring stake, zero line wiring stake, ground wire wiring stake and overheat protection ware, the upper surface of live wire wiring stake, zero line wiring stake and ground wire wiring stake all has the conduction copper sheet through screw swing joint, plug base's upper surface set up threaded hole, plug base's lateral wall fixedly connected with locating piece, plug base's top is provided with the plug lid of looks adaptation with it.
Preferably, the inside of power cord is provided with live wire, zero line, earth connection and signal line respectively, live wire and live wire wiring stake swing joint, zero line and signal line all with overheat protector swing joint, be connected through the wire between overheat protector and the zero line wiring stake, earth connection and ground wire wiring stake swing joint.
Preferably, the upper surface of the overheat protector is respectively provided with a normal work display lamp, a leakage fault display lamp, an overheat fault display lamp, a fault reset button and a test button.
Preferably, the overheat protector is coupled with a temperature control switch arranged in the external household appliance through a signal line.
Preferably, the upper surface of the plug base is provided with a line pressing plate for fixing a power line, and the line pressing plate is connected to the upper surface of the plug base through screw threads.
Preferably, the inner wall of the plug cover is provided with a clamping groove matched with the positioning block, and the upper surface of the plug cover is movably connected with a threaded rod matched with the threaded hole.
Advantageous effects
The utility model provides an overheat protection device of earth leakage protection plug possesses following beneficial effect:
1. this overheat protection device of earth leakage protection plug utilizes the temperature detect switch coupling of signal line and domestic appliance inside through overheat protector, when the electrical apparatus temperature exceedes its load temperature, trigger temperature detect switch, temperature detect switch passes through the signal line and crosses overheat protector and spreads the signal mutually, make overheat protector open circuit the action, and overheat fault display lamp lights, treat that maintenance personal checks and gets rid of the electrical apparatus trouble, all normal back of electrical apparatus press the trouble reset button and make whole electrical apparatus continue circular telegram, make domestic appliance reach overheat protection's effect.
2. This overheat protection device of earth leakage protection plug judges domestic appliance's running condition through the display lamp of overheat protector upper surface, regularly presses test button, can whether detection circuitry and domestic appliance have unusually, has reduced the probability that the accident takes place to safety protection's effect has been reached.
Drawings
Fig. 1 is a schematic top view of the plug base of the present invention;
FIG. 2 is a schematic top view of the plug cover of the present invention;
fig. 3 is a schematic diagram of the circuit principle of the present invention.
In the figure: the plug comprises a plug base 1, a wire inlet 2, a power wire 3, a live wire binding post 4, a zero wire binding post 5, a ground wire binding post 6, an overheat protector 7, a screw 8, a conductive copper sheet 9, a threaded hole 10, a positioning block 11, a plug cover 12, a live wire 13, a zero wire 14, a ground wire 15, a signal wire 16, a lead 17, a normal work display lamp 18, a leakage fault display lamp 19, an overheat fault display lamp 20, a fault reset button 21, a test button 22, a wire pressing plate 23 and a threaded rod 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an overheat protection device of earth leakage protection plug, including plug base 1, inlet 2 has been seted up to plug base 1's side, power cord 3 has been placed to inlet 2's upper surface, the inside of power cord 3 is provided with live wire 13 respectively, zero line 14, earth connection 15 and signal line 16, plug base 1's upper surface is provided with the line ball board 23 that is used for fixed power cord 3, line ball board 23 passes through screw threaded connection at plug base 1's upper surface, the phenomenon that drops appears in line ball board 23 mainly prevents that power cord 3 from rocking or pulling the condition under.
The upper surface of the overheat protector 7 is respectively provided with a normal work display lamp 18, a leakage fault display lamp 19, an overheat fault display lamp 20, a fault reset button 21 and a test button 22, the running state of the household appliance is judged by the display lamp on the upper surface of the overheat protector 7, the test button 22 is pressed regularly, whether the circuit and the household appliance are abnormal or not can be detected, the probability of occurrence of accidents is reduced, and therefore the effect of safety protection is achieved, when the household appliance is in fault, the household appliance is overhauled according to the condition that the display lamp is on, the fault of the household appliance is eliminated by the inspection of maintenance personnel, the whole household appliance is continuously powered on by pressing the fault reset button 21 after all the household appliances are normal, the effect of overheat protection is achieved by the household appliance, the overheat protector 7 is coupled with a temperature control switch arranged in the external household appliance through a signal wire 16, and when the temperature of the household appliance exceeds, can trigger the inside temperature detect switch of domestic appliance, temperature detect switch transmits signal passing signal line 16 for overheat protector 7, and overheat protector 7 makes the action of opening circuit to whole electric circuit, makes whole domestic appliance outage, guarantees that domestic appliance's temperature can not last because of the reason of circular telegram to normal work pilot lamp 18 extinguishes, and overheat fault display lamp 20 lights, and the power can not resume by oneself, ensures the safety of electrical apparatus.
Threaded hole 10 has been seted up to plug base 1's upper surface, plug base 1's lateral wall fixedly connected with locating piece 11, plug base 1's top is provided with plug lid 12 with its looks adaptation, plug lid 12's inner wall is provided with the draw-in groove with locating piece 11 looks adaptation, locating piece 11 and draw-in groove cooperation can be very convenient close plug base 1 and plug lid 12, plug lid 12's upper surface swing joint has the threaded rod 24 with threaded hole 10 looks adaptation, utilize threaded rod 24 and threaded hole 10 to mutually support, can fix plug lid 12 at plug base 1's upper surface, the safety of the inside power consumption of protection plug has been reached.
The working principle is as follows: when the temperature of the household appliance exceeds the load temperature, a temperature control switch in the household appliance is triggered, the temperature control switch transmits a signal to the overheating protector 7 through the signal wire 16, the overheating protector 7 performs an open circuit action on the whole circuit, the whole household appliance is powered off, the temperature of the household appliance is ensured not to continuously rise due to the power-on reason, the normal work display lamp 18 is turned off, the overheating fault display lamp 20 is turned on, the power supply cannot automatically recover, the safety of the household appliance is ensured, a maintenance worker checks and eliminates the faults of the household appliance, the household appliance is normally pressed down to enable the whole household appliance to be continuously powered on, the household appliance achieves the overheating protection effect, the display lamp on the upper surface of the overheating protector 7 is used for judging the running state of the household appliance, the test button 22 is periodically pressed down, and whether the circuit and the household appliance are abnormal or not can be detected, the probability of accidents is reduced, and the safety protection effect is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an overheat protection device of earth leakage protection plug, includes plug base (1), its characterized in that: wire inlet (2) have been seted up to the side of plug base (1), power cord (3) have been placed to the upper surface of wire inlet (2), the upper surface of plug base (1) is fixedly connected with live wire binding post (4), zero line binding post (5), ground wire binding post (6) and overheat protector (7) respectively, the upper surface of live wire binding post (4), zero line binding post (5) and ground wire binding post (6) all has conduction copper sheet (9) through screw (8) swing joint, threaded hole (10) have been seted up to the upper surface of plug base (1), the lateral wall fixedly connected with locating piece (11) of plug base (1), the top of plug base (1) is provided with plug lid (12) with its looks adaptation.
2. An overheat protection device for a leakage protection plug according to claim 1, wherein: the inside of power cord (3) is provided with live wire (13), zero line (14), earth connection (15) and signal line (16) respectively, live wire (13) and live wire binding post (4) swing joint, zero line (14) and signal line (16) all with overheat protector (7) swing joint, be connected through wire (17) between overheat protector (7) and zero line binding post (5), earth connection (15) and earth connection binding post (6) swing joint.
3. An overheat protection device for a leakage protection plug according to claim 1, wherein: the upper surface of the overheat protector (7) is respectively provided with a normal work display lamp (18), a leakage fault display lamp (19), an overheat fault display lamp (20), a fault reset button (21) and a test button (22).
4. An overheat protection device for a leakage protection plug according to claim 1, wherein: the overheat protector (7) is coupled with a temperature control switch arranged in an external household appliance through a signal wire (16).
5. An overheat protection device for a leakage protection plug according to claim 1, wherein: the upper surface of plug base (1) is provided with line ball board (23) that are used for fixed power cord (3), line ball board (23) pass through screw threaded connection at the upper surface of plug base (1).
6. An overheat protection device for a leakage protection plug according to claim 1, wherein: the inner wall of the plug cover (12) is provided with a clamping groove matched with the positioning block (11), and the upper surface of the plug cover (12) is movably connected with a threaded rod (24) matched with the threaded hole (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922161115.XU CN211017632U (en) | 2019-12-05 | 2019-12-05 | Overheat protection device of leakage protection plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922161115.XU CN211017632U (en) | 2019-12-05 | 2019-12-05 | Overheat protection device of leakage protection plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211017632U true CN211017632U (en) | 2020-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922161115.XU Active CN211017632U (en) | 2019-12-05 | 2019-12-05 | Overheat protection device of leakage protection plug |
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| Country | Link |
|---|---|
| CN (1) | CN211017632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113594768A (en) * | 2021-09-28 | 2021-11-02 | 锦涵信息科技南通有限公司 | Safety socket capable of carrying out overheat protection |
-
2019
- 2019-12-05 CN CN201922161115.XU patent/CN211017632U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113594768A (en) * | 2021-09-28 | 2021-11-02 | 锦涵信息科技南通有限公司 | Safety socket capable of carrying out overheat protection |
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