CN110911241A - Earth leakage circuit breaker capable of forward and backward wiring - Google Patents
Earth leakage circuit breaker capable of forward and backward wiring Download PDFInfo
- Publication number
- CN110911241A CN110911241A CN201911210779.9A CN201911210779A CN110911241A CN 110911241 A CN110911241 A CN 110911241A CN 201911210779 A CN201911210779 A CN 201911210779A CN 110911241 A CN110911241 A CN 110911241A
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- CN
- China
- Prior art keywords
- piece
- lead
- reset button
- contact
- switch mechanism
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/58—Manual reset mechanisms which may be also used for manual release actuated by push-button, pull-knob, or slide
Abstract
A leakage circuit breaker capable of positive and negative wiring. The main current leakage circuit breaker of solving solves positive and negative wiring, the more complicated problem of structure through wire and moving contact cooperation. The method is characterized in that: a separable switch mechanism (6) is arranged on the lead, when the reset button is positioned at a first position, the switch mechanism is disconnected, and the trip coil and the circuit board are disconnected electrically; when the reset button is at the second position, the switch mechanism is closed, and the trip coil is electrically connected with the circuit board. The invention provides a leakage circuit breaker capable of positive and negative wiring, which realizes circuit breaking of a tripping coil by arranging a switch mechanism on a lead, does not need to change the position of a wiring, has simple structure and low transformation cost, and is particularly suitable for a multi-pole circuit breaker.
Description
Technical Field
The invention belongs to the field of circuit breakers, and particularly relates to a leakage circuit breaker capable of achieving positive and negative wiring.
Background
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.
Chinese patent No. CN203690222U discloses an electronic leakage circuit breaker capable of connecting wires up and down, which realizes the connection of wires up and down by arranging a first wire in a housing to cooperate with a movable contact, and has a complicated structure.
Disclosure of Invention
In order to overcome the defects of the background art, the invention provides a leakage circuit breaker capable of realizing positive and negative wiring, which mainly solves the problem that the conventional leakage circuit breaker is complex in structure because the positive and negative wiring is realized through the matching of a conducting wire and a moving contact.
The technical scheme adopted by the invention is as follows:
a leakage circuit breaker capable of realizing positive and negative wiring comprises a shell, wherein a circuit board and a trip coil are arranged in the shell, a reset button which is movably matched with the shell is arranged on the shell, a lead which is electrically connected with the trip coil is arranged on the circuit board, the reset button comprises a first position when the circuit breaker is switched off and a second position when the circuit breaker is switched on, a switch mechanism which can be switched on and off is arranged on the lead, when the reset button is positioned at the first position, the switch mechanism is switched off, and the trip coil and the circuit board are electrically switched off; when the reset button is at the second position, the switch mechanism is closed, and the trip coil is electrically connected with the circuit board.
The wire comprises a first wire connected with the trip coil and a second wire connected with the circuit board, the switch mechanism comprises a first contact piece connected with the first wire and a second contact piece connected with the second wire, and the second contact piece comprises a closed position and a breaking position, wherein the closed position is pressed to be electrically connected with the first contact piece when the reset button is at a first position, and the breaking position is separated from the first contact piece in a normal state.
The second contact member is an elastic member.
The first contact member is an elastic element.
The second contact piece comprises a first piece and a second piece arranged on the first piece, a support is arranged in the shell, a first inserting groove matched with the first piece in an inserting mode is formed in the support, and the second piece is correspondingly arranged below the reset button.
The first sheet is in an L-shaped structure.
And a through groove for the second lead to pass through is formed in the bottom of the support.
The second wire is soldered to the second contact.
The first contact piece comprises a bottom piece and a side piece, the bottom piece is in plug-in fit with the second plug-in groove, and the side piece is arranged corresponding to the second piece.
The invention has the beneficial effects that: the invention provides a leakage circuit breaker capable of positive and negative wiring, which realizes circuit breaking of a tripping coil by arranging a switch mechanism on a lead, does not need to change the position of a wiring, has simple structure and low transformation cost, and is suitable for a multi-pole circuit breaker.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is a schematic diagram of the internal structure of an embodiment of the present invention.
Fig. 3 is an enlarged schematic view of a point a in fig. 2.
Fig. 4 is a partial perspective view of an embodiment of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which: as shown in the figure, the leakage circuit breaker capable of realizing positive and negative wiring comprises a shell 1, wherein a circuit board 2 and a trip coil 3 are arranged in the shell, a reset button 4 which is movably matched with the shell is arranged on the shell, a lead 5 which is electrically connected with the trip coil is arranged on the circuit board, the reset button comprises a first position when the circuit breaker is switched off and a second position when the circuit breaker is switched on, a switch mechanism 6 which can be switched off and on is arranged on the lead, when the reset button is positioned at the first position, the switch mechanism is switched off, and the trip coil and the circuit board are switched off; when the reset button is at the second position, the switch mechanism is closed, and the trip coil is electrically connected with the circuit board. The reset button comprises a first position when the breaker is opened and a second position when the breaker is closed, and particularly can be the breaker opened, the reset button protrudes out of the shell surface and needs to be closed, the breaker needs to be pressed down, and the reset button is located at the second position.
In the present embodiment, as shown in the figure, the lead includes a first lead 51 connected to the trip coil and a second lead 52 connected to the circuit board, the switch mechanism includes a first contact 511 connected to the first lead and a second contact 521 connected to the second lead, and the second contact includes a closed position where the reset button is pressed to be electrically connected to the first contact when the reset button is in the first position and a breaking position where the reset button is normally away from the first contact. The normal state refers to a state of not being pressed by the test button or not being pressed to contact with the first contact member, the switch mechanism can be a contact and a contact piece, or a contact and a contact piece, preferably, the contact and the contact piece are adopted, the installation and the positioning are convenient, the second contact member has elasticity, the elasticity drives the second contact member to be separated from the first contact member, when the reset button is pressed, the second contact member is pushed to overcome the elasticity to contact with the first contact member to conduct a circuit, when the breaker is opened, the reset button bounces, and the second contact member is separated from the first contact member under the action of the elasticity.
In this embodiment, as shown in the figure, the second contact member is an elastic member. May be a resilient plate or a spring.
In this embodiment, as shown in the figure, the first contact member is an elastic member. Is convenient for use.
In this embodiment, as shown in the figure, the second contact member includes a first piece 5211 and a second piece 5212 provided on the first piece, a bracket 11 is provided in the housing, a first insertion groove 111 engaged with the first piece is provided on the bracket, and the second piece is correspondingly provided below the reset button. The second contact piece can be installed in place by inserting the first piece into the first inserting groove, and the installation is convenient.
In this embodiment, the first sheet is in an L-shaped configuration, as shown. The installation is firm, is difficult for rocking.
In this embodiment, as shown in the figure, the bottom of the bracket is provided with a through slot 112 for the second wire to pass through. The lead can conveniently pass through the device, and the structure is compact.
In this embodiment, as shown, the second wire is soldered to the second contact. The assembly is convenient.
In this embodiment, as shown in the figure, a partition 12 is further included, a second insertion groove 121 is formed between the bottom of the partition and the support, the first contact member includes a bottom plate 5111 and a side plate 5112, the bottom plate is inserted into the second insertion groove and is matched with the second insertion groove, and the side plate is arranged corresponding to the second plate. And the plug-in fit is adopted, so that the structure is simple and the installation is stable.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The embodiments described with reference to the drawings are illustrative and are intended to be illustrative of the invention and should not be construed as limiting the invention. The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of protection of the present invention.
Claims (9)
1. The utility model provides a but creepage breaker of positive and negative wiring, includes casing (1), be equipped with circuit board (2) and trip coil (3) in the casing, be equipped with clearance fit's reset button (4) on the casing, be equipped with on the circuit board with wire (5) that the trip coil electricity is connected, the second position when reset button when first position when circuit breaker separating brake and circuit breaker combined floodgate, its characterized in that: a separable switch mechanism (6) is arranged on the lead,
when the reset button is positioned at the first position, the switch mechanism is switched off, and the trip coil is electrically switched off from the circuit board;
when the reset button is at the second position, the switch mechanism is closed, and the trip coil is electrically connected with the circuit board.
2. The electrical leakage breaker of claim 1, wherein: the lead comprises a first lead (51) connected with the trip coil and a second lead (52) connected with the circuit board, the switch mechanism comprises a first contact piece (511) connected with the first lead and a second contact piece (521) connected with the second lead, and the second contact piece comprises a closed position and a breaking position, wherein the closed position is pressed and electrically connected with the first contact piece when the reset button is in the first position, and the breaking position is separated from the first contact piece in a normal state.
3. The electrical leakage breaker of claim 2, wherein: the second contact member is an elastic member.
4. The electrical leakage breaker of claim 3, wherein: the first contact member is an elastic element.
5. The electrical leakage breaker of claim 2 or 3, wherein: the second contact piece comprises a first piece (5211) and a second piece (5212) arranged on the first piece, a support (11) is arranged in the shell, a first inserting groove (111) in inserting fit with the first piece is formed in the support, and the second piece is correspondingly arranged below the reset button.
6. The electrical leakage breaker of claim 5, wherein: the first sheet is in an L-shaped structure.
7. The electrical leakage breaker of claim 5, wherein: and a through groove (112) for the second lead to pass through is formed in the bottom of the support.
8. The electrical leakage breaker of claim 5, wherein: the second wire is soldered to the second contact.
9. The electrical leakage circuit breaker of claim 8, wherein: the first contact piece comprises a bottom piece (5111) and a side piece (5112), the bottom piece is in plug fit with the second plug-in groove, and the side piece is arranged corresponding to the second piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911210779.9A CN110911241A (en) | 2019-12-02 | 2019-12-02 | Earth leakage circuit breaker capable of forward and backward wiring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911210779.9A CN110911241A (en) | 2019-12-02 | 2019-12-02 | Earth leakage circuit breaker capable of forward and backward wiring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110911241A true CN110911241A (en) | 2020-03-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911210779.9A Pending CN110911241A (en) | 2019-12-02 | 2019-12-02 | Earth leakage circuit breaker capable of forward and backward wiring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110911241A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111681921A (en) * | 2020-06-30 | 2020-09-18 | 成都彩佳角商贸有限公司 | Circuit breaker |
-
2019
- 2019-12-02 CN CN201911210779.9A patent/CN110911241A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111681921A (en) * | 2020-06-30 | 2020-09-18 | 成都彩佳角商贸有限公司 | Circuit breaker |
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