CN201601098U - Electric leakage socket tripping device - Google Patents
Electric leakage socket tripping device Download PDFInfo
- Publication number
- CN201601098U CN201601098U CN2010203007705U CN201020300770U CN201601098U CN 201601098 U CN201601098 U CN 201601098U CN 2010203007705 U CN2010203007705 U CN 2010203007705U CN 201020300770 U CN201020300770 U CN 201020300770U CN 201601098 U CN201601098 U CN 201601098U
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- CN
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- Prior art keywords
- tripping
- dropout
- bridge
- electric leakage
- breaking
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- Expired - Lifetime
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Abstract
The utility model discloses an electric leakage socket tripping device, comprising a circuit board with a control circuit, a reset press button and a tripping mechanism are mounted on the circuit board, the tripping mechanism comprises a tripping coil, a press bridge, a tripping push rod and a contact, and also comprises a tripping sheet arranged on the reset press button, a press mechanism projected to one side of the press bridge is arranged on the tripping sheet, a clamp mechanism matched with the press mechanism is arranged on the press bridge, and a resilient means for driving the press mechanism to move to and fro is arranged on the reset press button. According to the tripping device, the electric leakage tripping protection can be performed by using simple material and structure, the tripping motion is flexible, safe and reliable, the processing technology is simple, and the production cost is effectively reduced.
Description
Technical field
The utility model relates to a kind of earth leakage protective device, particularly a kind of electric leakage socket release.
Background technology
At present, for the accident that prevents that the person from getting an electric shock and electric leakage causes, people can install earth leakage circuit-breaker usually behind master switch, and electric leakage socket release is installed on the socket of every branch road, to reach the purpose of separately protected every electrical equipment.
Existing electric leakage socket release is generally electronic type, with electronic trip unit as intermediary agency, when taking place, leakage current makes mechanism's dropout deenergization, its structure comprises electronic control circuit, tripping mechanism and reset button, wherein tripping mechanism comprises tripping coil, dropout push rod, dropout spring, dropout plate, breaking the bridge and contact etc., its reset button hangs on the hook of dropout plate by the pull bar of being located at reset button one end, dropout push rod top is located at a side of dropout plate moving direction, and the dropout plate is applied in the breaking the bridge.Tripping coil and dropout push rod overcome the elastic force of dropout spring during electric leakage, and the dropout push rod promotes the dropout plate of tripping mechanism, and the dropout plate is pushed away the pull bar of reset button, impel the dropout plate to thread off.The tripping mechanism of this release must be provided with dropout plate, pull bar and the hook of the accurate combination of shape energy each other, its complex structure, the moulding that adds these devices in man-hour is relatively more difficult, cause complex production process, and when threading off laggard horizontal reset, might be because the damage of pull bar or hook cause threading off plate can't drive and be pressed in again on the moving contact, cause the whole device can't normal power supply.
The utility model content
For addressing the above problem, the utility model provides a kind of simple in structure, safe and reliable, the electric leakage socket release that can simplify production technology.
The utility model is that the technical scheme that its problem of solution is adopted is:
A kind of electric leakage socket release, comprise that one is equipped with the circuit board of control circuit, reset button and tripping mechanism are installed on the circuit board, described tripping mechanism comprises tripping coil, breaking the bridge, dropout push rod and contact, described tripping mechanism also comprises the dropout sheet of being located on the reset button, the dropout sheet is provided with towards the side-prominent pressing mechanism of breaking the bridge one, and described breaking the bridge is provided with the snap fastener that matches with pressing mechanism, and reset button is provided with and can promotes the elastic device that pressing mechanism moves around.
Further improvement as such scheme, described for the dropout sheet be a rubber-like sheet metal, one end of sheet metal is fixed on the reset button, and the other end extends to described dropout push rod and aligns, and described pressing mechanism is that the sheet metal middle part is towards having contact with that dropout push rod one lateral buckling forms.
Wherein, described snap fastener is to be located on the breaking the bridge and the described projection that cooperates of having contact with.
Further, described bottom of having contact with is formed with the sliding surface of court away from the lopsidedness of dropout push rod.
Further, a side adjacent with sheet metal is and the corresponding inclined-plane of described sliding surface on the described projection.
The beneficial effects of the utility model are: with traditional by the dropout plate, pull bar, the tripping mechanism of compositions such as hook repacks the dropout sheet with pressing mechanism into, cooperate the snap fastener on the breaking the bridge again, and the elastic device on the reset button, dropout action in the time of can realizing leaking electricity equally, but the utility model is simply more a lot of than traditional release from structure, effective simplified processing process, reduce production costs, and it threads off relatively sensitiveer, can avoid traditional release because the dropout plate, pull bar, hook waits between each parts problems such as the operation that cooperates inaccuracy to bring is malfunctioning, uses safe and reliable; In addition, adopt sheet metal as the dropout sheet, and with sheet metal be bent to form have contact with breaking the bridge on projection be used, make more simple and convenient, can simplify production technology, can save the cost of material again.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples:
Cutaway view when Fig. 1 is the utility model normal power supply;
Fig. 2 is the A portion enlarged diagram of Fig. 1;
Fig. 3 is the structural representation of the utility model after threading off;
Fig. 4 is the cutaway view of the utility model after threading off.
Embodiment
Referring to figs. 1 through Fig. 4, a kind of electric leakage socket release, comprise that one is equipped with the circuit board 1 of control circuit, reset button 2 and tripping mechanism 3 are installed on the circuit board 1, tripping mechanism 3 comprises tripping coil 4, breaking the bridge 5, dropout push rod 6 and contact, tripping coil 4 is electrically connected with control circuit, dropout push rod 6 is installed on tripping coil 4 one sides, breaking the bridge 5 is provided with moving contact, on the described circuit board 1 release bracket 11 is installed also, fixed contact be arranged on the release bracket 11 with breaking the bridge 5 on the corresponding position of moving contact, described tripping mechanism 3 also comprises the dropout sheet of being located on the reset button 27, dropout sheet 7 is provided with towards the side-prominent pressing mechanism 8 of breaking the bridge 5 one, and described breaking the bridge 5 is provided with the snap fastener 9 that matches with pressing mechanism 8, and reset button 2 is provided with and can promotes the elastic device 10 that pressing mechanism 8 moves around.Comprise zero sequence current mutual inductor, integrated circuit, controllable silicon etc. in the control circuit wherein.This release repacks traditional tripping mechanism into the dropout sheet 7 with pressing mechanism 8, cooperate the snap fastener 9 on the breaking the bridge 5 again, and the elastic device on the reset button 2 10, dropout action in the time of can realizing leaking electricity equally, but the utility model is simply more a lot of than traditional release from structure, effectively simplified processing process, reduce production costs, and it threads off relatively sensitiveer, can avoid traditional release because problem such as the operation that cooperates inaccuracy to bring between each parts such as dropout plate, pull bar, hook is malfunctioning uses safe and reliable.
As preferred embodiment, described dropout sheet 7 is a rubber-like sheet metal, one end of sheet metal is fixed in the lower end of reset button 2, and the other end extends to described dropout push rod 6 and aligns, and described pressing mechanism 8 has contact with 80 for the sheet metal middle part towards what dropout push rod 6 one lateral bucklings formed.
Correspondingly, described snap fastener 9 is for being located on the breaking the bridge 5 and described 80 projectioies that cooperate 90 of having contact with.Like this, by pushing reset button 2, elastic deformations take place in elastic device 10, and having contact with on the interlock sheet metal 8 cooperates with protruding 90, can drive breaking the bridge 5 and be pressed on the release bracket 11, makes the dynamic and static closing of contact, and leakage tripping device is in the normal power supply state.This structure is not only drawn materials easily, and with low cost, work flow is simple, and has contact with 80 and make sheet metal more solid and reliable with engaging of breaking the bridge 5 with projection 90 setting.
Further, described 80 the bottom of having contact with is formed with towards the sliding surface 81 away from the lopsidedness of dropout push rod 6.
A side adjacent with sheet metal is and described sliding surface 81 corresponding inclined-planes 91 on described protruding 90.When reset button 2 promotion sheet metals move down, sliding surface 81 on the sheet metal can be along the inclined-plane 91 moves, ride on the projection 90 until finally having contact with 80, after reset button 2 resets, because elastic device 10 will recover elastic deformation, can produce active force upwards, move to release bracket 11 directions thereby drive breaking the bridge 5.
Described elastic device 10 is one to be sheathed on the spring on the dropout sheet 7, and an end of spring is fixed in the end of reset button 2, and the other end of spring is fixed in the inboard of described release bracket 11.
In addition, also can be on circuit board 1 leakage tests button 12 and indicator light 13 be installed, be used to detect the performance of earth leakage protective mechanism, and realize indicating reminders, to guarantee user's safety.
Sensor for detecting electric leakage passes a zero sequence current mutual inductor simultaneously with L line, the N line of load-side, electric current during operate as normal on live wire and the zero line flows to and equals to flow out, so the secondary voltage that zero sequence current mutual inductor induces also is zero, the size of current that flows through zero sequence current mutual inductor this moment equates, direction is opposite, and summation is zero, and the induction magnetic flux also equals zero in the tripping coil 4, automatic switch remains on on-state, and whole device is in the normal power supply state.
When switching load side joint ground leaks electricity; L line then; differing appears in the electric current on the N line; electric current phasor by zero sequence current mutual inductor and non-vanishing; produced leakage current; after amplifier amplification in the integrated circuit; when reaching default dropout leakage current; the control circuit output driving current produces alternating magnetic field in tripping coil 4, and then promotion dropout push rod 6 moves toward the sheet metal directions; thereby sheet metal is backed down; make that have contact with 80 separates with the projection 90 on the breaking the bridge 5, meanwhile, the elastic potential energy of spring makes spring recover deformation and drives sheet metal and reset; sheet metal thoroughly separates with breaking the bridge 5; final breaking the bridge 5 descends, and the moving contact on the breaking the bridge 5 separates with fixed contact on the release bracket 11, thereby cuts off the electricity supply; the prevention accident takes place, and realizes earth leakage protective function.
After fault is got rid of, push reset button 2, spring generation deformation, sheet metal be moved downward to its have contact with 80 hang over the projection 90 on, after unclamping, because spring reset makes reset button up move together with sheet metal, breaking the bridge 5 was had contact with 80 and was driven and up be pressed on the release bracket 11 this moment, make the dynamic and static closing of contact, leakage tripping device recovers the normal power supply state.
Above-mentionedly just preferred embodiment of the present utility model is illustrated and describes; but execution mode of the present utility model is not restricted to the described embodiments; as long as it reaches technique effect of the present utility model with essentially identical means, all should belong to protection range of the present utility model.
Claims (6)
1. electric leakage socket release, comprise that one is equipped with the circuit board (1) of control circuit, reset button (2) and tripping mechanism (3) are installed on the circuit board (1), described tripping mechanism (3) comprises tripping coil (4), breaking the bridge (5), dropout push rod (6) and contact, it is characterized in that: described tripping mechanism (3) also comprises the dropout sheet of being located on the reset button (2) (7), dropout sheet (7) is provided with towards the side-prominent pressing mechanism (8) of breaking the bridge (5), described breaking the bridge (5) is provided with the snap fastener (9) that matches with pressing mechanism (8), and reset button (2) is provided with and can promotes the elastic device (10) that pressing mechanism (8) moves around.
2. release according to claim 1, it is characterized in that: described dropout sheet (7) is a rubber-like sheet metal, one end of sheet metal is fixed on the reset button (2), the other end extends to described dropout push rod (6) and aligns, and described pressing mechanism (8) is have contact with (80) of sheet metal middle part towards the formation of dropout push rod (6) one lateral bucklings.
3. according to claim 1 or 2 described electric leakage socket releases, it is characterized in that: described snap fastener (9) is for being located at the projection (90) that cooperates with described having contact with (80) on the breaking the bridge (5).
4. electric leakage socket release according to claim 3 is characterized in that: the bottom of described having contact with (80) is formed with the sliding surface (81) of court away from the lopsidedness of dropout push rod (6).
5. electric leakage socket release according to claim 4 is characterized in that: described projection (90) goes up a side adjacent with sheet metal and is and the corresponding inclined-plane of described sliding surface (81) (91).
6. electric leakage socket release according to claim 1, it is characterized in that: release bracket (11) also is installed on the described circuit board (1), described elastic device (10) is one to be sheathed on the spring on the dropout sheet (7), one end of spring is fixed in the end of reset button (2), and the other end of spring is fixed in the inboard of described release bracket (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203007705U CN201601098U (en) | 2010-01-15 | 2010-01-15 | Electric leakage socket tripping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203007705U CN201601098U (en) | 2010-01-15 | 2010-01-15 | Electric leakage socket tripping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201601098U true CN201601098U (en) | 2010-10-06 |
Family
ID=42812160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010203007705U Expired - Lifetime CN201601098U (en) | 2010-01-15 | 2010-01-15 | Electric leakage socket tripping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201601098U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102231462A (en) * | 2011-04-19 | 2011-11-02 | 刘睿刚 | Leakage protection plug |
-
2010
- 2010-01-15 CN CN2010203007705U patent/CN201601098U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102231462A (en) * | 2011-04-19 | 2011-11-02 | 刘睿刚 | Leakage protection plug |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151204 Address after: 529100, Xinhui District, Xinhui District, Guangdong, Jiangmen Province, Xing Xing Road, No. 17, 3 Patentee after: JIANGMEN XINHUI BOGE ELECTRIC APPLIANCE CO., LTD. Address before: 529100, No. 17, No. 3, No. 1 road, town, Jiangmen, Xinhui District, Xinhui District, Guangdong, China Patentee before: Liang Ximin |
|
| CX01 | Expiry of patent term |
Granted publication date: 20101006 |
|
| CX01 | Expiry of patent term |