CN213936077U - Reversible wiring device of residual current circuit breaker - Google Patents
Reversible wiring device of residual current circuit breaker Download PDFInfo
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- CN213936077U CN213936077U CN202120102471.9U CN202120102471U CN213936077U CN 213936077 U CN213936077 U CN 213936077U CN 202120102471 U CN202120102471 U CN 202120102471U CN 213936077 U CN213936077 U CN 213936077U
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Abstract
The utility model discloses a but positive and negative termination of earth leakage circuit breaker, including casing, live wire operating device, live wire moving contact and circuit board, live wire operating device sets up in the contact seat and the operating handle of casing and the connecting rod of being connected contact seat and operating handle including rotating, the live wire moving contact sets up in the contact seat, be equipped with the electrically conductive switching piece along with the contact seat action on the contact seat, electrically conductive switching piece is connected with live wire moving contact electricity, be equipped with electrically conductive piece in the casing, electrically conductive piece is connected with the circuit board electricity, works as when live wire operating device is in the closure state, electrically conductive switching piece switches on with electrically conductive contact, works as when live wire operating device is in the disjunction state, electrically conductive switching piece and electrically conductive piece separation. The utility model has the advantages of it is following and effect: the utility model can realize positive and negative wiring, make the wiring operation more simple and convenient, and also improve the universality of the leakage circuit breaker; and simultaneously has the function of electric leakage test.
Description
Technical Field
The utility model relates to a circuit breaker technical field, in particular to but positive and negative termination of earth leakage circuit breaker.
Background
The earth leakage breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition for a predetermined time. When the leakage current reaches the designed and selected action current value, the leakage release in the leakage breaker makes the breaker act, thus cutting off the power supply to play the role of leakage and electric shock protection.
The existing electric leakage circuit breaker structure generally gets electricity at the upper end or the lower end of the electric leakage circuit breaker because of a circuit board and a test device, one side of the circuit board getting electricity is a load side, and one side of the circuit board not getting electricity is an incoming line side. The wiring mode of the residual current circuit breaker is greatly limited, and the universality of the existing residual current circuit breaker is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a but positive and negative termination of earth leakage circuit breaker, this termination can realize earth leakage circuit breaker's positive and negative wiring, makes the wiring operation more simple and convenient, has also promoted earth leakage circuit breaker's commonality simultaneously.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a but earth leakage circuit breaker positive and negative termination, includes casing, live wire operating device, live wire moving contact and circuit board, live wire operating device sets up in the contact seat and the operating handle of casing and the connecting rod of being connected contact seat and operating handle including rotating, the live wire moving contact sets up in the contact seat, be equipped with the electrically conductive switching piece along with the contact seat action on the contact seat, electrically conductive switching piece is connected with the live wire moving contact electricity, be equipped with electrically conductive piece in the casing, electrically conductive piece is connected with the circuit board electricity, works as when live wire operating device is in the closure state, electrically conductive switching piece switches on with the contact of electrically conductive piece, works as when live wire operating device is in the disconnected state, electrically conductive switching piece and electrically conductive piece separation.
By adopting the technical scheme, the live wire operating mechanism drives the conductive switching piece to synchronously act to control the contact or separation of the conductive switching piece and the conductive piece so as to control the breaking of the circuit board circuit, so that when the circuit is in reverse wiring, the circuit board cannot be in a always-on state, and the circuit board is prevented from being burnt. On the basis of realizing positive and negative wiring, the wiring operation is simpler and more convenient, and the universality of the residual current circuit breaker is also improved.
Further setting the following steps: the conductive switching piece comprises a torsion spring arranged on the contact seat, the conductive piece comprises a test moving piece, one end of the torsion spring is provided with an extension section extending towards one side of the test moving piece, the test moving piece extends to be provided with an elastic first contact section, and when the extension section is abutted against the first contact section, a relatively abutted elastic acting force is formed between the extension section and the first contact section.
Through adopting above-mentioned technical scheme, the setting of torsional spring and first contact section both makes both have elasticity, and when these two when the contact, can produce the elastic force of supporting tightly relatively between the two to guarantee the close contact between the two, ensure the reliability of contact.
Further setting the following steps: be equipped with experimental stator in the casing, it has the second contact section that is close to in experimental stator to extend on the experimental rotor, the activity is provided with the test button who is used for driving second contact section contact test stator on the casing, experimental stator is connected with the circuit board electricity.
Through adopting above-mentioned technical scheme, whether control the second contact section through test button contacts with test still piece, come the simulation leakage test to confirm whether leakage circuit breaker's earth leakage protection device can normally work.
To sum up, the utility model discloses following beneficial effect has: the utility model can realize positive and negative wiring, make the wiring operation more simple and convenient, and also improve the universality of the leakage circuit breaker; and simultaneously has the function of electric leakage test.
Drawings
FIG. 1 is a perspective view of an embodiment;
FIG. 2 is a schematic structural diagram of an embodiment;
fig. 3 is an enlarged view of a portion a in fig. 2.
In the figure: 01. a housing; 02. a live wire operating mechanism; 021. a contact seat; 022. an operating handle; 023. a connecting rod; 03. a live line moving contact; 04. a circuit board; 05. a torsion spring; 06. testing the moving plate; 07. an extension section; 08. a first contact section; 09. testing a static sheet; 010. a second contact section; 011. a test button.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 3, a reversible wiring device of a residual current circuit breaker includes a housing 01, a live wire operating mechanism 02 installed on the housing 01, a live wire moving contact 03, and a circuit board 04. Live wire operating device 02 sets up including rotating in the contact seat 021 and the operating handle 022 of casing 01 and the connecting rod 023 of connecting contact seat 021 and operating handle 022, and the one end and the operating handle 022 of connecting rod 023 are articulated, and the other end is articulated with contact seat 021, and live wire moving contact 03 is fixed to be set up in contact seat 021. The contact seat 021 is provided with a conductive switching piece which moves along with the contact seat 021, the conductive switching piece is a torsion spring 05, and the torsion spring 05 is fixedly arranged on the contact seat 021. The torsion spring 05 is electrically connected with the live wire moving contact 03 through a lead, a conductive piece is fixedly arranged in the shell 01 and is a test moving piece 06, and the test moving piece 06 is electrically connected with the circuit board 04 through a lead.
One end of the torsion spring 05 is provided with an extension section 07 extending towards one side of the test moving piece 06, the extension section 07 and the torsion spring 05 are integrally arranged, a first contact section 08 with elasticity extends on the test moving piece 06, and when the extension section 07 abuts against the first contact section 08, a relatively abutting elastic acting force is formed between the extension section 07 and the first contact section 08. Casing 01 internal fixation is provided with experimental still piece 09, extends on the experimental movable plate 06 to have and has elasticity and be close to experimental still piece 09's second contact section 010, and the activity is provided with the test button 011 that is used for driving second contact section 010 contact experimental still piece 09 on the casing 01, is connected through the wire electricity between experimental still piece 09 and the circuit board 04. When the live wire operating mechanism 02 is in a closed state, the torsion spring 05 is in contact conduction with the first contact section 08, and when the live wire operating mechanism 02 is in an open state, the torsion spring 05 is separated from the first contact section 08. The first contact section 08, the test rotor 06 and the second contact section 010 are integrally arranged and made of copper materials.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (3)
1. The utility model provides a but positive and negative termination of earth leakage circuit breaker, includes casing (01), live wire operating device (02), live wire moving contact (03) and circuit board (04), live wire operating device (02) sets up in contact seat (021) and operating handle (022) of casing (01) and connecting rod (023) of connecting contact seat (021) and operating handle (022) including rotating, live wire moving contact (03) sets up in contact seat (021), its characterized in that: the switch device is characterized in that a conductive switching piece moving along with the contact seat (021) is arranged on the contact seat (021), the conductive switching piece is electrically connected with the live wire moving contact (03), a conductive piece is arranged in the shell (01), the conductive piece is electrically connected with the circuit board (04), when the live wire operating mechanism (02) is in a closed state, the conductive switching piece is in contact conduction with the conductive piece, and when the live wire operating mechanism (02) is in a breaking state, the conductive switching piece is separated from the conductive piece.
2. A residual current circuit breaker reversible wiring device according to claim 1, characterized in that: the conductive switching piece comprises a torsion spring (05) installed on a contact seat (021), the conductive piece comprises a test moving piece (06), one end of the torsion spring (05) is provided with an extension section (07) extending towards one side of the test moving piece (06), the test moving piece (06) is extended with a first contact section (08) with elasticity, and when the extension section (07) is abutted to the first contact section (08), a relatively abutted elastic acting force is formed between the extension section (07) and the first contact section (08).
3. A residual current circuit breaker reversible wiring device according to claim 2, characterized in that: be equipped with test stator (09) in casing (01), it has second contact section (010) that is close to test stator (09) to extend on test rotor (06), the activity is provided with test button (011) that is used for driving second contact section (010) contact test stator (09) on casing (01), test stator (09) is connected with circuit board (04) electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120102471.9U CN213936077U (en) | 2021-01-14 | 2021-01-14 | Reversible wiring device of residual current circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120102471.9U CN213936077U (en) | 2021-01-14 | 2021-01-14 | Reversible wiring device of residual current circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213936077U true CN213936077U (en) | 2021-08-10 |
Family
ID=77158688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120102471.9U Active CN213936077U (en) | 2021-01-14 | 2021-01-14 | Reversible wiring device of residual current circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213936077U (en) |
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2021
- 2021-01-14 CN CN202120102471.9U patent/CN213936077U/en active Active
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