CN205723214U - A kind of circuit breaker handle divide-shut brake testing circuit and chopper - Google Patents
A kind of circuit breaker handle divide-shut brake testing circuit and chopper Download PDFInfo
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- CN205723214U CN205723214U CN201620194087.5U CN201620194087U CN205723214U CN 205723214 U CN205723214 U CN 205723214U CN 201620194087 U CN201620194087 U CN 201620194087U CN 205723214 U CN205723214 U CN 205723214U
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Abstract
The open a kind of circuit breaker handle divide-shut brake testing circuit of this utility model and chopper, circuit breaker handle divide-shut brake testing circuit includes: Hall element circuit and signal processor circuit, described Hall element circuit includes at least three sense signals circuit, each sense signals circuit includes a Hall element, closing position at described circuit breaker handle, centre position and open position are respectively provided with at least one described Hall element, described signal processing circuit includes signal processor, each outfan of described sense signals circuit electrically connects with the input of described signal processor.This utility model realizes the overall monitor of handle state, it is ensured that without blind spot and dead band.And due to the non-contact detecting characteristic of Hall element, there is not the problem of abrasion in this utility model, signal detection is more stable.
Description
Technical field
This utility model relates to electric equipment correlative technology field, particularly a kind of circuit breaker handle divide-shut brake testing circuit and chopper.
Background technology
Distribution system includes transformator and various high and low voltage electrical equipment equipment, and chopper is a very important equipment in distribution system.Chopper can be used to distribute electric energy; infrequently start asynchronous motor; power circuit and motor etc. are carried out protection, when there are serious overloads or the fault such as short-circuit and under-voltage in them can automatic shutdown circuit, its function is equivalent to Fuse switch and crosses the combination of underheat relay etc..
Chopper completes the operation of separating brake and combined floodgate by handle, and therefore the detection of handle position is significant for judging whether chopper completes assigned operation.To this end, prior art increases testing circuit, handle position is detected.
But, existing testing circuit is to use mechanical organ to realize position detection, such as microswitch etc..Owing to mechanical organ needs frequently contact, belonging to fallible component, life-time service can cause signal detection unstable.And imperfection is detected in position by existing testing circuit, so the data fed back yet suffer from blind spot, it is easily caused signal misjudgment.
Utility model content
Based on this, it is necessary to lack the technical problem that circuit breaker handle position is stablized accurately detection for prior art, it is provided that a kind of circuit breaker handle divide-shut brake testing circuit and chopper.
This utility model provides a kind of circuit breaker handle divide-shut brake testing circuit, including: Hall element circuit and signal processor circuit, described Hall element circuit includes at least three sense signals circuit, each sense signals circuit includes a Hall element, closing position, centre position and open position at described circuit breaker handle is respectively provided with at least one described Hall element, described signal processing circuit includes that signal processor, each outfan of described sense signals circuit electrically connect with the input of described signal processor.
Further, also including that power circuit, the input of described power circuit electrically connect with external power source, the outfan of described power circuit electrically connects with each power end of described sense signals circuit and the power end of described signal processor circuit.
Further, each described sense signals circuit also includes the first divider resistance and the second divider resistance, the outfan of described power circuit electrically connects with the power end of described Hall element, the earth terminal ground connection of described Hall element, the outfan of described power circuit also passes sequentially through described first divider resistance and described second divider resistance series connection ground connection, the outfan of described Hall element electrically connects with the junction point of described first divider resistance and described second divider resistance, the junction point of described first divider resistance and described second divider resistance also input with described signal processor electrically connects.
Further, each described sense signals circuit also includes sense signals circuit filtering electric capacity, and the junction point of described first divider resistance and described second divider resistance is also by described sense signals circuit filtering capacity earth.
Further, each described sense signals circuit also includes that current-limiting resistance, the junction point of described first divider resistance and described second divider resistance electrically connect also by the outfan of described current-limiting resistance with described sense signals circuit.
Further, described signal processor circuit also includes signal processing filter capacitor, the power end of described signal processor electrically connects with the power end of described signal processor circuit, the earth terminal ground connection of described signal processor, the power end of described signal processor is electrically connected with earth terminal by described signal processing filter capacitor.
Further, described power circuit includes supply convertor and power conversion filter capacitor, the input of described supply convertor electrically connects with the input of described power circuit, the outfan of described supply convertor electrically connects with the outfan of described power circuit, the earth terminal ground connection of described supply convertor, the outfan of described supply convertor is also by described power conversion filter capacitor ground connection.
This utility model provides a kind of chopper, including breaker body and the circuit breaker handle being arranged on breaker body, also include foregoing circuit breaker handle divide-shut brake testing circuit, described circuit breaker handle is provided with magnet steel element, the relative position of described magnet steel element when described circuit breaker handle is in "on" position, intermediateness and gate-dividing state, is respectively provided with the described Hall element of described circuit breaker handle divide-shut brake testing circuit.
This utility model is by being respectively provided with at least one described Hall element at the closing position of circuit breaker handle, centre position and open position, thus detects the diverse location of circuit breaker handle, it is achieved the overall monitor of handle state, it is ensured that without blind spot and dead band.And due to the non-contact detecting characteristic of Hall element, there is not the problem of abrasion in this utility model, signal detection is more stable.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model a kind of circuit breaker handle divide-shut brake testing circuit；
Fig. 2 a is the circuit diagram of sense signals circuit one by one in one embodiment of this utility model；
Fig. 2 b is the circuit diagram of another each and every one sense signals circuit in one embodiment of this utility model；
Fig. 2 c is the circuit diagram of each and every one sense signals circuit another in one embodiment of this utility model；
Fig. 3 is the circuit diagram of signal processor circuit in one embodiment of this utility model；
Fig. 4 is the circuit diagram of power circuit in one embodiment of this utility model；
Fig. 5 is the structural representation of a kind of chopper of this utility model.
Detailed description of the invention
The utility model is described in more detail with specific embodiment below in conjunction with the accompanying drawings.
It is illustrated in figure 1 the structural representation of this utility model a kind of circuit breaker handle divide-shut brake testing circuit, including: Hall element circuit 1 and signal processor circuit 2, described Hall element circuit 1 includes at least three sense signals circuit 11, each sense signals circuit 11 includes a Hall element U2, U3, U4, closing position at described circuit breaker handle, centre position and open position are respectively provided with at least one described Hall element U2, U3, U4, described signal processing circuit 2 includes signal processor U1, the outfan of each described sense signals circuit 11 electrically connects with the input of described signal processor U1.
Hall element of the present utility model is preferably three, Hall element U2, U3, the U4 as shown in Fig. 2 a～2c.Three Hall elements U2, U3, U4 are separately positioned on the closing position of circuit breaker handle, centre position and open position.Wherein, the closing position of circuit breaker handle, centre position and open position, it is the relative position of its magnet steel element when described circuit breaker handle is in "on" position, intermediateness and gate-dividing state.When rotating on handle when, the magnet steel element on handle can produce magnetic induction with Hall element, and magnetic induction is converted into the signal of telecommunication by Hall element U2, U3, U4.According to the difference of handle turned position, triggering corresponding Hall element and provide signal, the output signal of sense signals circuit 11 is input to signal processor U1 subsequently, for the state that plug-in identification handle is current.If the outfan of each sense signals circuit 11 exports identical voltage, then the outfan input different from signal processor U1 of different sense signals circuit 11 is electrically connected, thus judge corresponding Hall element by different inputs.But the output signal of different sense signals circuit 11 can also be arranged different magnitudes of voltage or different signal frequencies, then can be electrically connected with the same input of signal processor U1 by the outfan of different sense signals circuit 11, the different signal detected by detection input judges corresponding Hall element.
This utility model is by being respectively provided with at least one described Hall element at the closing position of circuit breaker handle, centre position and open position, thus detect the diverse location of circuit breaker handle, thus realize the overall monitor of handle state, to ensure without blind spot and dead band.And due to the non-contact detecting characteristic of Hall element, there is not the problem of abrasion in this utility model, signal detection is more stable.
Wherein in an embodiment, also include power circuit 3, the input of described power circuit 3 electrically connects with external power source, and the outfan of described power circuit 3 electrically connects with each power end of described sense signals circuit 11 and the power end of described signal processor circuit 2.
nullSuch as Fig. 2 a、Shown in 2b and 2c，Wherein in an embodiment，Each described sense signals circuit 11 also includes the first divider resistance R1、R4、R7 and the second divider resistance R3、R6、R9，The outfan of described power circuit 3 and described Hall element U2、U3、The power end electrical connection of U4，Described Hall element U2、U3、The earth terminal ground connection of U4，The outfan of described power circuit 3 also passes sequentially through described first divider resistance R1、R4、R7 and described second divider resistance R3、R6、R9 connects ground connection，Described Hall element U2、U3、The outfan of U4 and described first divider resistance R1、R4、R7 and described second divider resistance R3、R6、The junction point electrical connection of R9，Described first divider resistance R1、R4、R7 and described second divider resistance R3、R6、The junction point of R9 electrically connects with the input of described signal processor U1.
The outfan of three sense signals circuit 11 exports centre position signal MIDDLE_POSITION, closing position signal ON_POSITION and open position signal OFF_POSITION to signal processor U1 respectively.
Wherein in an embodiment, each described sense signals circuit 11 also includes sense signals circuit filtering electric capacity C1, C2, C3, and the junction point of described first divider resistance R1, R4, R7 and described second divider resistance R3, R6, R9 is also by described sense signals circuit filtering electric capacity C1, C2, C3 ground connection.
The present embodiment increases sense signals circuit filtering electric capacity C1, C2, C3, can further filter out the output signal of sense signals circuit 11, prevents sealing in of interference.
Further, each described sense signals circuit 11 also includes that current-limiting resistance R2, R5, R8, the junction point of described first divider resistance R1, R4, R7 and described second divider resistance R3, R6, R9 electrically connect also by the outfan of described current-limiting resistance R2, R5, R8 with described sense signals circuit 11.
The present embodiment is at outfan series limiting resistor R2 of sense signals circuit 11, R5, R8, in order to the size of the output electric current of limiting sensor electronic circuit 11, in case electric current is excessive burns out connected components and parts.
As shown in Figure 3, wherein in an embodiment, described signal processor circuit 2 also includes signal processing filter capacitor C7, the power end of described signal processor U1 electrically connects with the power end of described signal processor circuit 2, the earth terminal ground connection of described signal processor U1, the power end of described signal processor U1 is electrically connected with earth terminal by described signal processing filter capacitor C7.
This utility model accesses signal processing filter capacitor C7 between the power end and earth terminal of signal processor U1, to ensure the stability of signal, ensures the reliability service of product.
As shown in Figure 4, wherein in an embodiment, described power circuit 3 includes supply convertor U5 and power conversion filter capacitor C4, C5, the input of described supply convertor U5 electrically connects with the input of described power circuit, the outfan of described supply convertor U5 electrically connects with the outfan of described power circuit, the earth terminal ground connection of described supply convertor U5, the outfan of described supply convertor U5 is also by described power conversion filter capacitor C4, C5 ground connection.
The power circuit 3 of the present embodiment is changed for DC-to-dc, i.e. DC-DC changes, and is converted to adapt to Hall element U2, U3, U4 and the voltage of signal processor U1 use by the 12V voltage of external power source by supply convertor U5.Meanwhile, this utility model accesses power conversion filter capacitor C4, C5 between the power end and earth terminal of supply convertor U5, to ensure the stability of signal, ensures the reliability service of product.
It is illustrated in figure 5 the structural representation of a kind of chopper of this utility model, including breaker body 51 and the circuit breaker handle 52 being arranged on breaker body, also include foregoing circuit breaker handle divide-shut brake testing circuit, described circuit breaker handle is provided with magnet steel element 521, the relative position 53,54,55 of described magnet steel element when described circuit breaker handle 521 is in "on" position, intermediateness and gate-dividing state, is respectively provided with the described Hall element of described circuit breaker handle divide-shut brake testing circuit.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes more concrete and detailed, but therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that, for the person of ordinary skill of the art, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (8)
1. a circuit breaker handle divide-shut brake testing circuit, it is characterised in that including: hall sensing
Device circuit and signal processor circuit, described Hall element circuit includes at least three sense signals
Circuit, each sense signals circuit includes a Hall element, in the conjunction of described circuit breaker handle
Gate position, centre position and open position are respectively provided with at least one described Hall element, described
Signal processing circuit includes signal processor, and the outfan of each described sense signals circuit is with described
The input electrical connection of signal processor.
Circuit breaker handle divide-shut brake testing circuit the most according to claim 1, it is characterised in that
Also include that power circuit, the input of described power circuit electrically connect with external power source, described power supply
The outfan of circuit is electric with the power end of each described sense signals circuit and described signal processor
The power end electrical connection on road.
Circuit breaker handle divide-shut brake testing circuit the most according to claim 2, it is characterised in that
Each described sense signals circuit also includes the first divider resistance and the second divider resistance, described power supply
The outfan of circuit electrically connects with the power end of described Hall element, connecing of described Hall element
Ground end ground connection, the outfan of described power circuit also passes sequentially through described first divider resistance and described
Second divider resistance series connection ground connection, the outfan of described Hall element and described first divider resistance
Electrically connect with the junction point of described second divider resistance, described first divider resistance and described second point
The junction point of piezoresistance also input with described signal processor electrically connects.
Circuit breaker handle divide-shut brake testing circuit the most according to claim 3, it is characterised in that
Each described sense signals circuit also includes sense signals circuit filtering electric capacity, described first dividing potential drop electricity
The junction point of resistance and described second divider resistance connects also by described sense signals circuit filtering electric capacity
Ground.
Circuit breaker handle divide-shut brake testing circuit the most according to claim 3, it is characterised in that
Each described sense signals circuit also includes current-limiting resistance, described first divider resistance and described second
The junction point of divider resistance is also by the outfan electricity of described current-limiting resistance with described sense signals circuit
Connect.
6. according to the circuit breaker handle divide-shut brake testing circuit described in any one of claim 2～5,
It is characterized in that, described signal processor circuit also includes signal processing filter capacitor, described signal
The power end of processor electrically connects with the power end of described signal processor circuit, described signal processing
The earth terminal ground connection of device, the power end of described signal processor passes through described signal processing filter capacitor
Electrically connect with earth terminal.
7. according to the circuit breaker handle divide-shut brake testing circuit described in any one of claim 2～5,
It is characterized in that, described power circuit includes supply convertor and power conversion filter capacitor, described
The input of supply convertor electrically connects with the input of described power circuit, described supply convertor
Outfan electrically connect with the outfan of described power circuit, the ground connection of described supply convertor termination
Ground, the outfan of described supply convertor is also by described power conversion filter capacitor ground connection.
8. a chopper, including breaker body and the chopper hands being arranged on breaker body
Handle, it is characterised in that also include the circuit breaker handle deciliter as described in any one of claim 1～7
Lock testing circuit, described circuit breaker handle is provided with magnet steel element, is at described circuit breaker handle
The relative position of "on" position, intermediateness magnet steel element described with during gate-dividing state, is respectively provided with
The described Hall element of described circuit breaker handle divide-shut brake testing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620194087.5U CN205723214U (en) | 2016-03-14 | 2016-03-14 | A kind of circuit breaker handle divide-shut brake testing circuit and chopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620194087.5U CN205723214U (en) | 2016-03-14 | 2016-03-14 | A kind of circuit breaker handle divide-shut brake testing circuit and chopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205723214U true CN205723214U (en) | 2016-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620194087.5U Active CN205723214U (en) | 2016-03-14 | 2016-03-14 | A kind of circuit breaker handle divide-shut brake testing circuit and chopper |
Country Status (1)
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| CN (1) | CN205723214U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110473746A (en) * | 2019-07-03 | 2019-11-19 | 哥伦电气有限公司 | A kind of autoreclose breaker and handle method for preventing misoperation |
-
2016
- 2016-03-14 CN CN201620194087.5U patent/CN205723214U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110473746A (en) * | 2019-07-03 | 2019-11-19 | 哥伦电气有限公司 | A kind of autoreclose breaker and handle method for preventing misoperation |
| CN110473746B (en) * | 2019-07-03 | 2024-05-14 | 哥伦电气有限公司 | Automatic reclosing circuit breaker and misoperation prevention method for handle |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |