CN2507128Y - Electronic circuit breaker - Google Patents
Electronic circuit breaker Download PDFInfo
- Publication number
- CN2507128Y CN2507128Y CN 01262906 CN01262906U CN2507128Y CN 2507128 Y CN2507128 Y CN 2507128Y CN 01262906 CN01262906 CN 01262906 CN 01262906 U CN01262906 U CN 01262906U CN 2507128 Y CN2507128 Y CN 2507128Y
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- Prior art keywords
- circuit
- output
- silver point
- moving
- copper
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- Expired - Fee Related
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Abstract
The utility model relates to an electronic breaker, belonging to the electric appliance. The utility model employs an electricity adjusting block to ensure the rated current, and a pick-proof device is added. The utility model solves the defect of possible mistaken action brought by the adjustment of the former electronic breaker rated current, which makes the rated current uncertain, and the defect that the no-allowed or no-professional regular electricians can do the adjustment by themselves. The utility model is simple in structure and good in security.
Description
Technical field
The utility model relates to circuit breaker, belongs to electric type.
Background technology
Before the utility model is made, existing circuit breaker, as Chinese patent 00261840.0, at the rated current of circuit is determined when using together according to all electrical equipment of user, and but when only using part electrical equipment, its electric current is can not surpass rated current, original bigger rated current might be difficult for ensuring safety realizing, therefore rated current is regulated, by-pass cock is set, regulate rated current according to user's reality institute electrical appliance, carry out multistage and regulate, divide 40 peaces, 30 peaces, 20 peaces etc.But thisly can misoperation in a single day occur, promptly should be 20 ampere-hours and but pushed 30 peaces or 40 peaces, just lose safing effect the by-pass cock that rated current is regulated.In addition, non-be allowed to or amateur electrician personnel also may stir by-pass cock voluntarily and make electronic circuit breaker lose the safety guarantee meaning.
Summary of the invention
The purpose of this utility model will design a kind of device exactly, makes the rated current can not random variation, and can prevent non-be allowed to or informal professional electrician pry open and more changing device change rated current, to overcome above-mentioned defective.
The technical solution of the utility model: input is gone into electrolytic copper and is connected with quiet silver point in housing, quiet silver point is connected with moving silver point contact, moving silver point is connected on the end of active copper, the active copper other end and handle are rotationally connected, active copper is connected with the horse hook by spring, horse hook one end is rotatably connected on the shell, the other end is connected with the contact of dropout link rod, the dropout link rod other end is connected with moving magnet, moving magnet is corresponding with static magnet, moving magnet is corresponding with release, the output electric copper output is connected with moving silver point by lead, electric appliance circuits is connected to the shaping circuit input of control circuit through current transformer, control circuit is by shaping circuit, amplifying circuit is formed, and shaping circuit output is connected to amplifying circuit, and amplification circuit output end is connected to release respectively, indicating device, its major technique is characterised in that electric current adjustment piece is arranged on the housing, and electric current is adjusted the output that piece is connected to the amplifying circuit of control circuit.
Its further technical characterictic is that electric current adjustment piece is made up of resistance, box body, screw, and resistance is arranged in the box body, and screw is connected box body with housing.
Advantage of the present utility model and effect are that rated current immobilizes, can prevent that non-normal other staff from regulating rated current privately, all the time ensure safety, and simple in structure, cost is low, fail safe is good, in the time of need adjusting rated current for regular and responsible personnel, also can change.
Description of drawings
Fig. 1-location diagram of the present utility model.
Fig. 2-circuit connection diagram of the present utility model.
Fig. 3-electric current is adjusted the block structure schematic diagram.
Embodiment
As shown in Figure 1: on the left side of housing 4, right lower quadrant, left side securing member 2, left side bolt 3 will be gone into electrolytic copper 1 and be fixed, right securing member 16, right bolt 15 is fixed electric copper output 17, going into electrolytic copper 1 is connected with quiet silver point 23, quiet silver point 23 is connected with moving silver point 21 contacts, moving silver point 21 is connected on the active copper 22, active copper 22 is connected with electric copper output 17 by lead (lead is embedded in the housing 4), form the loop, active copper 22 other ends are connected with handle 8 one ends, active copper 22 is connected with horse hook 6 by spring 25, horse hook rotating shaft 5 is arranged on the horse hook 6, transfer pin 7,6 on 7 pairs of horse hooks of transfer pin are spacing, reset response, horse hook 6 one ends are rotatably connected on the housing 4 by horse hook rotating shaft 5, one end in contact of the other end of horse hook 6 and dropout link rod 19 also is stuck, dropout link rod 19 other ends are connected with moving magnet 13, dropout link rod 19 two ends at an angle, can rotate around the dropout rotating shaft in the middle of it 10, moving magnet 13 and 19 interlocks of dropout link rod, it below moving magnet 13 release 18 and corresponding with it, the static magnet 12 corresponding with moving magnet 13 is on the top of moving magnet 13, magnet spring 24 connects housing 4 and moving magnet 13, magnet spring 24 is stage clips, control circuit 14 is installed on the housing 4, be provided with indicating device 9 on the top of housing 4, electric current is adjusted piece 11, indicating device 9, electric current is adjusted piece 11 input of connection control circuit 14 respectively, steady pin 20 is connected on the housing 4, is positioned at the back of active copper 22, to 22 position-limiting actions of active copper.
As shown in Figure 2: electric appliance circuits through current transformer with overload signal, electric leakage signal is connected to the input 26-2 of shaping circuit 26 chips of control circuit 14 respectively, the 26-6 pin, the chip of shaping circuit 26 is LM358, the output 26-1 of shaping circuit 26,26-5, the 26-7 pin is through resistance, be connected to the input 27-1 of amplifying circuit 27 after the capacitance fade shaping, 27-2, the 27-3 pin, the output 27-16 pin of amplifying circuit 27 connects release 18, output 27-11 pin connects indicating device 9, this indicating device 9 is responsible for demonstration, the memory overload signal, 27-8 connects another indicating device 9, this indicating device 9 is responsible for demonstration, the memory electric leakage signal, 27-6 is connected to electric current and adjusts piece 11, electric current is adjusted piece 11 other ends and is connected with the 12V dc power cathode, and the chip of employed this amplifying circuit 27 is FH1068.
During work, as shown in Figure 1 and Figure 2: active copper 22, horse hook 6 are all on solid line position, input is gone into electrolytic copper 1 and is connected with output electric copper output 17 by lead with the contact of moving silver point 21 and through active copper 22 by quiet silver point 23, form the loop, normal operation of circuit breaker, control circuit 14 is failure to actuate, and indicating device 9 does not show.
In case overload occurs, current transformer is input to overload signal the input 26-2 of the shaping circuit 26 of control circuit 14, shaping through the LM358 chip, processing and amplifying, export by output 26-1 pin, through electric capacity, the decay of resistance, shaping, be input to the input 27-1 pin of amplifying circuit 27, computing through chip FH1068, processing and amplifying, 27-16 outputs to release 18 by its output, release 18 is pushing tow dropout link rod 19 and moving magnet 13 upwards, overcome the elastic force of magnet spring 24, make static magnet 12 with moving magnet 13 adhesives, moving magnet 13 is fixedlyed connected with dropout link rod 19, dropout link rod 19 two ends rotate counterclockwise around dropout rotating shaft 10, cause horse hook 6 and dropout link rod 19 to be thrown off, dotted line position in the horse hook 6 to figure, horse hook 6 drives also dotted line position (because the barrier effect of steady pin 20 make active copper 22 can only be at this dotted line position) in the figure of active coppers 22, thereby silver point 21 and quiet silver point 23 are disconnected, the electric copper output 17 that the input of circuit breaker is gone into electrolytic copper 1 and output is not communicated with, and circuit is disconnected; For the ease of in time notifying the maintenance personal to keep in repair, amplifying circuit 27 will output to indicating device 9 owing to the signal that overload causes circuit to disconnect and show by its output 27-11; After tripping operation had a power failure, static magnet 12 is adhesive moving magnet 13 no longer, and moving magnet 13, is returned to the origin-location downwards under the elastic force effect of magnet spring 24; The good back of maintenance pulling handle 8, drive active copper 22, horse hook 6 are returned to solid line position among the figure, make silver point 21 be connected energising with quiet silver point 23.If show overload and short circuit condition respectively, then can utilize overload signal and short-circuit signal is the difference of signal amplitude size, utilizes amplifying circuit 27 to be distinguished, and just can show respectively, will increase an indicating device 9 in addition certainly.
In case leaky appears, and the same with above-mentioned overload condition, dotted line position in horse hook 6 and the active copper 22 to figure, moving silver point 21 disconnects with quiet silver point 23, and electric appliance circuits is broken, and amplifying circuit 27 outputs to another indicating device 9 by its output 27-8 with electric leakage signal.Resetting after fixing, also the same with above-mentioned overload condition.
As Fig. 1, shown in Figure 3: electric current is adjusted piece 11 and is made up of resistance 28, box body 29, screw 30, resistance 28 is arranged in the box body 29, whole then the embedding in the housing 4, with screw 30 box body 29 is fixed on the housing 4, make non-be allowed to or informal professional electrician personnel can't change voluntarily, the rated current of electronic circuit breaker just immobilizes like this, ensures safety.It is bad that electric current is adjusted piece 11, can adjust piece 11 by the electric current that regular professional electrician changes with special instrument, just can continue to use, and ensures safety.
Claims (2)
1. electronic circuit breaker, input is gone into electrolytic copper and is connected with quiet silver point in housing, quiet silver point is connected with moving silver point contact, moving silver point is connected on the end of active copper, the active copper other end and handle are rotationally connected, active copper is connected with the horse hook by spring, horse hook one end is rotatably connected on the shell, the other end is connected with the contact of dropout link rod, the dropout link rod other end is connected with moving magnet, moving magnet is corresponding with static magnet, moving magnet is corresponding with release, the output electric copper output is connected with moving silver point by lead, and electric appliance circuits is connected to the shaping circuit input of control circuit through current transformer, and control circuit is by shaping circuit, amplifying circuit is formed, shaping circuit output is connected to amplifying circuit, amplification circuit output end is connected to release respectively, indicating device is characterized in that electric current adjustment piece is arranged on the housing, and electric current is adjusted the output that piece is connected to the amplifying circuit of control circuit.
2. electronic circuit breaker according to claim 1 is characterized in that electric current adjusts piece and be made up of resistance, box body, screw, and resistance is arranged in the box body, and screw is connected box body with housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01262906 CN2507128Y (en) | 2001-09-24 | 2001-09-24 | Electronic circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01262906 CN2507128Y (en) | 2001-09-24 | 2001-09-24 | Electronic circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2507128Y true CN2507128Y (en) | 2002-08-21 |
Family
ID=33670584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01262906 Expired - Fee Related CN2507128Y (en) | 2001-09-24 | 2001-09-24 | Electronic circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2507128Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101609766B (en) * | 2008-06-20 | 2011-04-13 | 通领科技集团有限公司 | Locking structure for preventing ground fault circuit interrupter from generating resetting actions |
| CN101371325B (en) * | 2006-01-23 | 2013-01-02 | 西门子公司 | Method for expanding the adjustment range of overload protection devices, associated overload protection devices and their use |
-
2001
- 2001-09-24 CN CN 01262906 patent/CN2507128Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101371325B (en) * | 2006-01-23 | 2013-01-02 | 西门子公司 | Method for expanding the adjustment range of overload protection devices, associated overload protection devices and their use |
| CN101609766B (en) * | 2008-06-20 | 2011-04-13 | 通领科技集团有限公司 | Locking structure for preventing ground fault circuit interrupter from generating resetting actions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |