CN213878638U - Multipurpose leakage protection plug - Google Patents
Multipurpose leakage protection plug Download PDFInfo
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- CN213878638U CN213878638U CN202022279204.7U CN202022279204U CN213878638U CN 213878638 U CN213878638 U CN 213878638U CN 202022279204 U CN202022279204 U CN 202022279204U CN 213878638 U CN213878638 U CN 213878638U
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- tripping mechanism
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Abstract
A multi-purpose leakage protection plug comprises a shell, a ground wire pin, a phase wire pin, a zero wire pin, a circuit board, a leakage protection circuit, a phase zero wire tripping mechanism and an experiment button, wherein the leakage protection circuit, the phase zero wire tripping mechanism and the experiment button are arranged on the circuit board; the reset switch also comprises a transmission device, a driving device, a control circuit, a signal receiving circuit and a reset button, wherein the transmission device is pivoted with the bottom plate of the shell, the driving device drives the transmission device, and the transmission device drives the button; the reset button is operated, the driving device acts, and the clamping groove of the ejector rod is buckled with the connecting rod; when the signal receiving circuit receives a signal, the coil armature device acts, and the phase zero line tripping mechanism trips; when the signal receiving circuit receives the signal or the signal disappears, the driving device acts, and the clamping groove of the ejector rod is buckled with the connecting rod. When the electric appliance has electric leakage, the phase zero line tripping mechanism is tripped and powered off; the functional signal of the electric appliance is transmitted to the control circuit, the phase zero line tripping mechanism is tripped, and after the circuit is powered off and the functional signal disappears, the phase zero line tripping mechanism is buckled, and the circuit is conducted.
Description
Technical Field
The utility model relates to a plug that electrical apparatus was used, especially a plug of earth leakage protection.
Background
At present, the prior art, chinese patent ZL200920058407.4, utility model name: the utility model provides a take earth-leakage protection switch of ground wire protection device, includes that shell, ground wire are participated in, phase line are participated in, zero line are participated in, circuit board, experiment button, zero line tripping device and earth-leakage protection device mutually, and zero line tripping device mutually includes the main support, takes the ejector pin of button, and its special character lies in: the phase zero line tripping mechanism is matched with the ground wire opening and closing mechanism; the ground wire opening and closing mechanism comprises a pin base, a ground wire fixed contact integrated with a ground wire pin, a ground wire prying bar with a ground wire moving contact and a push block, the push block is arranged in a guide groove of the pin base, a push rod on the push block is matched with the ground wire prying bar, and the lower end of a push rod is inserted into a driving hole of the push block; a reset spring is sleeved on the push rod, one end of the reset spring is matched with the push block, and the other end of the reset spring is matched with the inner wall of the guide groove; the pin base is fixedly connected with the main bracket. For example, chinese patent ZL201220653010.1, the name of utility model: an earth leakage protection power plug with an improved circuit. There are problems in that: when the electric appliance has electric leakage, the phase zero line tripping mechanism acts to cut off the power, so that the electric leakage protection is realized; the function is single.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the multipurpose leakage protection plug not only has the leakage protection function, but also has the functions of receiving functional signals of an electric appliance, and switching off and on.
The utility model discloses a realize like this: a multi-purpose leakage protection plug comprises a shell, a ground wire pin, a phase wire pin, a zero wire pin, a circuit board, a leakage protection circuit arranged on the circuit board, a phase zero wire tripping mechanism and an experiment button; the phase zero line tripping mechanism comprises a main support, a coil armature device, a connecting rod with a connecting rod guide hole, a sliding seat, a fixed contact, a phase line prying bar with a phase line movable contact, a zero line prying bar with a zero line movable contact, a top rod with a clamping groove, a button and a pressure spring, wherein the button and the pressure spring are arranged on the top rod; the lower end of the button is provided with a connecting hole and upper spring seat holes positioned at the two sides of the connecting hole; the ejector rod is fixed with the connecting hole, the upper end of the pressure spring is inserted into the upper spring seat hole, and the lower spring seat on the main bracket extends into the lower end of the pressure spring; it is characterized in that: also comprises a transmission device, a driving device, a control circuit and a signal receiving circuit which are arranged on the circuit board and a reset button,
the transmission device is pivoted with the bottom plate of the shell, the driving device drives the transmission device, the transmission device drives the button, and the clamping groove of the ejector rod is buckled with the connecting rod; the reset button is arranged at the top of the shell and is matched with the control circuit;
when the coil armature device leaks electricity, the coil armature device acts, and the phase zero line tripping mechanism is tripped; the reset button is operated, the driving device acts, and the clamping groove of the ejector rod is buckled with the connecting rod;
when the signal receiving circuit receives a signal, the coil armature device acts, and the phase zero line tripping mechanism trips; when the signal receiving circuit receives the signal or the signal disappears, the driving device acts, and the clamping groove of the ejector rod is buckled with the connecting rod.
Preferably: the top of the button is provided with a driving groove;
the transmission device comprises a vertical rod, a transmission arm and a driving arm;
the lower end of the vertical rod is pivoted with the shell, the driving arm is embedded with the driving groove, and the end part of the transmission arm is matched with the driving device.
Preferably: the driving device is an electromagnet.
Preferably: the driving device is a micro motor and further comprises a circular driving rod, an oval end face is arranged at the transmission end of the circular driving rod, the circular driving rod is arranged on the shaft of the micro motor, and the oval end portion is matched with the transmission device.
Preferably: the driving device is a linear motor.
The utility model relates to a multipurpose leakage protection plug, because of adopting the structure, when the electric appliance has leakage, the phase zero line tripping mechanism is tripped and cut off the power; the functional signal of the electric appliance is transmitted to the control circuit, the phase zero line tripping mechanism is tripped, and after the circuit is powered off and the functional signal disappears, the phase zero line tripping mechanism is buckled, and the circuit is conducted.
Drawings
Fig. 1 is one of the cross-sectional views of the present invention.
Fig. 2 is a second cross-sectional view of the present invention.
Fig. 3 is one of the exploded perspective views of the present invention.
Fig. 4 is a second exploded perspective view of the present invention.
Fig. 5 is a third exploded perspective view of the present invention.
Fig. 6 is an exploded perspective view of the sliding seat, connecting rod and coil armature assembly of the present invention.
Fig. 7 is a perspective view of the connecting rod of the present invention.
Fig. 8 is a perspective view of the sliding seat of the present invention.
Fig. 9 is a perspective view of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, a multi-purpose earth leakage protection plug comprises a housing 1, a ground pin 2, a phase pin 3, a neutral pin 4, a circuit board 5, an earth leakage protection circuit arranged on the circuit board 5, a phase-zero line tripping mechanism 6 and an experiment button 7; the phase zero line tripping mechanism 6 comprises a main bracket 61, a coil armature device 62, a connecting rod 63 with a connecting rod guide hole 631, a sliding seat 64, a fixed contact 65, a phase line pry bar 66 with a phase line movable contact, a zero line pry bar 67 with a zero line movable contact, a top rod 68 with a clamping groove 681, a button 69 arranged on the top rod and a pressure spring 70; the circuit board 5 is fixed on the main support 61, and a phase line lever 66 with a phase line moving contact and a zero line lever 67 with a zero line moving contact are respectively fixed on two sides of the main support 61 and matched with the fixed contact 65 fixed on the main support 61; the coil armature device 62 is arranged in the main bracket 61, and the armature of the coil armature device 62 is connected with the connecting rod 63;
the sliding seat 64 is provided with a longitudinal guide hole 641 and a transverse connecting rod guide hole 642, the longitudinal guide hole 641 and the transverse connecting rod guide hole 642 are intersected, the connecting rod 63 passes through the transverse connecting rod guide hole 642, one end of the tripping spring 63A is matched with a cylinder 632 in the connecting rod guide hole 631, the sliding seat 64 is matched at the other end, the ejector rod 68 with a clamping groove passes through the circuit board 5, the guide hole 611 on the main bracket 61, the longitudinal guide hole 641 and the connecting rod guide hole 631, the pressure spring 70 is positioned between a button 682 of the ejector rod 68 and the circuit board 5, and the lower end of the button 69 is provided with a connecting hole and upper spring seat holes positioned at two sides of the connecting hole; the top rod 68 is fixed with the connecting hole, the upper end of the pressure spring 70 is inserted into the upper spring seat hole, the lower spring seat 612 on the main bracket 61 extends into the lower end of the pressure spring 70, and the lower spring seat 612 is positioned at two sides of the guide hole 611; the connecting rod guide hole 631 is matched with a clamping groove 681 on the ejector rod 68; the upper wing plate 644 of the sliding seat 64 is matched with a phase line lever 66 with a phase line moving contact and a zero line lever 67 with a zero line moving contact, and the upper wing plate 644 supports the phase line lever 66 and the zero line lever 67. The structure and the action mode of the phase-zero line tripping mechanism 6 are described in paragraphs [ 0020 ] to [ 0022 ] of the specification of the chinese patent ZL 200920058407.4.
Also comprises a transmission device 8, a driving device 9, a control circuit and a signal receiving circuit which are arranged on the circuit board 5 and a reset button 10,
the transmission device 8 is pivoted with the bottom plate of the shell 1, the driving device 9 is fixed on the bottom plate of the shell 1, the driving device 9 drives the transmission device 8, and the transmission device 8 drives the button 69; the push rod 68 passes through the connecting rod guide hole 631, and the clamping groove 681 of the push rod 68 is buckled with the connecting rod of the connecting rod guide hole 631 of the connecting rod 63; the reset button 10 is arranged at the top of the shell 1 and is matched with the control circuit;
when the electrical appliance has electric leakage, the coil armature device 62 acts, the phase zero line tripping mechanism 6 is tripped, namely the clamping groove 681 is separated from the connecting rod 63, and the ejector rod 68 moves upwards under the action of the pressure spring 70; when the reset button 10 is operated, the driving device 9 acts, the ejector rod 68 moves downwards, the clamping groove 681 of the ejector rod 68 is buckled with the connecting rod 63, and the circuit is conducted;
when the signal receiving circuit receives a signal, the coil armature device 62 acts, and the phase zero line tripping mechanism 6 is tripped;
when the signal receiving circuit receives a signal or the signal disappears, the driving device 9 acts, the ejector rod 68 moves downwards, the clamping groove 681 of the ejector rod 68 is buckled with the connecting rod 63, and the circuit is conducted;
when the utility model is used for the water storage type electric water heater, the water flow sensor transmits the water flow signal to the signal receiving circuit, the coil armature device 62 acts, and the phase zero line tripping mechanism 6 is tripped; powering off;
when the signal of the water flow sensor disappears, the clamping groove 681 of the ejector rod 68 is buckled with the connecting rod 63, and the circuit is conducted;
or when the water storage type electric water heater is used, the water in the inner container reaches the set highest temperature, the highest temperature signal is transmitted to the signal receiving circuit, and the phase zero line tripping mechanism 6 is tripped; the circuit is powered off;
when the temperature is reduced to the lowest temperature, the clamping groove 681 of the ejector rod 68 is buckled with the connecting rod 63, and the circuit is conducted.
The top of the button 69 is provided with a driving groove 691;
the transmission device 8 comprises a vertical rod 81, a transmission arm 82 and a driving arm 83;
the lower end of the vertical rod 81 is pivotally connected to the housing 1, the driving arm 83 is fitted into the driving groove 691, and the end of the transmission arm 82 is engaged with the driving device 9.
The driving device 9 is an electromagnet.
The driving device 9 is a micro motor and further comprises a circular driving rod, an oval end face is arranged at the driving end of the circular driving rod, the circular driving rod is arranged on the shaft of the micro motor, and the oval end part is matched with the end part of the driving arm 82 of the driving device 8.
The driving device 9 is a linear motor.
What has been described above is only a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and variations can be made without departing from the principle of the invention, which is also considered as the protection scope of the invention.
Claims (5)
1. A multi-purpose leakage protection plug comprises a shell, a ground wire pin, a phase wire pin, a zero wire pin, a circuit board, a leakage protection circuit arranged on the circuit board, a phase zero wire tripping mechanism and an experiment button; the phase zero line tripping mechanism comprises a main support, a coil armature device, a connecting rod with a connecting rod guide hole, a sliding seat, a fixed contact, a phase line prying bar with a phase line movable contact, a zero line prying bar with a zero line movable contact, a top rod with a clamping groove, a button and a pressure spring, wherein the button and the pressure spring are arranged on the top rod; the lower end of the button is provided with a connecting hole and upper spring seat holes positioned at the two sides of the connecting hole; the ejector rod is fixed with the connecting hole, the upper end of the pressure spring is inserted into the upper spring seat hole, and the lower spring seat on the main bracket extends into the lower end of the pressure spring; the method is characterized in that: also comprises a transmission device, a driving device, a control circuit and a signal receiving circuit which are arranged on the circuit board and a reset button,
the transmission device is pivoted with the bottom plate of the shell, the driving device drives the transmission device, the transmission device drives the button, and the clamping groove of the ejector rod is buckled with the connecting rod; the reset button is arranged at the top of the shell and is matched with the control circuit;
when the coil armature device leaks electricity, the coil armature device acts, and the phase zero line tripping mechanism is tripped; the reset button is operated, the driving device acts, and the clamping groove of the ejector rod is buckled with the connecting rod;
when the signal receiving circuit receives a signal, the coil armature device acts, and the phase zero line tripping mechanism trips; when the signal receiving circuit receives the signal or the signal disappears, the driving device acts, and the clamping groove of the ejector rod is buckled with the connecting rod.
2. A multi-purpose earth leakage protection plug according to claim 1, wherein: the top of the button is provided with a driving groove;
the transmission device comprises a vertical rod, a transmission arm and a driving arm;
the lower end of the vertical rod is pivoted with the shell, the driving arm is embedded with the driving groove, and the end part of the transmission arm is matched with the driving device.
3. A multi-purpose earth leakage protection plug according to claim 1 or 2, wherein: the driving device is an electromagnet.
4. A multi-purpose earth leakage protection plug according to claim 1 or 2, wherein: the driving device is a micro motor and further comprises a circular driving rod, an oval end face is arranged at the transmission end of the circular driving rod, the circular driving rod is arranged on the shaft of the micro motor, and the oval end portion is matched with the transmission device.
5. A multi-purpose earth leakage protection plug according to claim 1 or 2, wherein: the driving device is a linear motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022279204.7U CN213878638U (en) | 2020-10-13 | 2020-10-13 | Multipurpose leakage protection plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022279204.7U CN213878638U (en) | 2020-10-13 | 2020-10-13 | Multipurpose leakage protection plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213878638U true CN213878638U (en) | 2021-08-03 |
Family
ID=77072055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022279204.7U Active CN213878638U (en) | 2020-10-13 | 2020-10-13 | Multipurpose leakage protection plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213878638U (en) |
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2020
- 2020-10-13 CN CN202022279204.7U patent/CN213878638U/en active Active
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