CN204391018U - A kind of overvoltage/undervoltage device being applicable to the instruction of miniature circuit breaker accessory tapes voltage - Google Patents
A kind of overvoltage/undervoltage device being applicable to the instruction of miniature circuit breaker accessory tapes voltage Download PDFInfo
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- CN204391018U CN204391018U CN201520102471.3U CN201520102471U CN204391018U CN 204391018 U CN204391018 U CN 204391018U CN 201520102471 U CN201520102471 U CN 201520102471U CN 204391018 U CN204391018 U CN 204391018U
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Abstract
The utility model provides a kind of overvoltage/undervoltage device being applicable to the instruction of miniature circuit breaker accessory tapes voltage, comprises full bridge rectifier, under-voltage circuit, overvoltage circuit, power indicating circuit and dropout drive circuit; Compared with prior art, the beneficial effect produced is the utility model: have employed minimum electronic devices and components, achieves the overvoltage tripping function of miniature circuit breaker annex, and undervoltage tripping function and power supply are normal, abnormality deixis; Reduce product cost and reduce small product size, circuit is simple, reliable and stable.
Description
Technical field
The utility model relates to a kind of overvoltage/undervoltage controller, particularly a kind of overvoltage/undervoltage device being applicable to the instruction of miniature circuit breaker accessory tapes voltage.
Background technology
Use field at low-voltage electrical apparatus, often single phase power supply overvoltage, under voltage abnormal accident occur, cause various electrical equipment to damage.In order to avoid the generation of the accident, overvoltage/undervoltage protective device is installed in circuit, when there is overvoltage or under voltage in supply line, the disengagement failure circuit that protective device can be rapid and safe, thus avoid abnormal voltage to damage the generation of terminal appliance accident.
Summary of the invention
Technical assignment of the present utility model is for the deficiencies in the prior art, provides a kind of a kind of overvoltage/undervoltage device being applicable to the instruction of miniature circuit breaker accessory tapes voltage that have employed minimum electronic devices and components and realize.
The utility model solves the technical scheme that its technical problem adopts:
Be applicable to an overvoltage/undervoltage device for miniature circuit breaker accessory tapes voltage instruction, comprise full bridge rectifier, under-voltage circuit, overvoltage circuit, power indicating circuit and dropout drive circuit; Full bridge rectifier is connected to form by a piezo-resistance and a rectifier bridge; Under-voltage circuit is made up of the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the first electrochemical capacitor C1, the second electrochemical capacitor C2, the first triode Q1 and the first voltage-stabiliser tube; One end of first resistance and one end of the second resistance are connected to the output cathode of the first rectifier bridge jointly, the negative pole of the first resistance other end and the first electrochemical capacitor and the public emitter being connected to first triode of the negative electrode of the first voltage-stabiliser tube; One end of the other end of the second resistance and the positive level of the first electrochemical capacitor and the 3rd resistance and one end of the 4th resistance link together; The other end of the 3rd resistance is connected to the ground level of the first triode Q1; The collector electrode of the first triode Q1 is connected with one end of the 5th resistance, and the other end of the 5th resistance is connected to the positive pole of the second electrochemical capacitor; The negative pole of the second electrochemical capacitor and the other end of the 4th resistance and the anode of the first voltage-stabiliser tube are connected to the output negative pole of the first rectifier bridge jointly.Overvoltage circuit is made up of the 6th resistance, the 7th resistance, the 8th resistance, the 3rd electrochemical capacitor, the second voltage-stabiliser tube and the second triode Q2; One end of 6th resistance is connected to the positive pole of the first rectifier bridge, and one end of the other end of the 6th resistance and the negative electrode of the second voltage-stabiliser tube and the 7th resistance and the positive pole of the 3rd electrochemical capacitor link together jointly; The other end of the 7th resistance and the negative pole of the 3rd electrochemical capacitor are connected to the output negative pole of the first rectifier bridge jointly; One end of 8th resistance is connected to the negative electrode of the first voltage-stabiliser tube, and the other end of the 8th resistance is connected to the collector electrode of the second triode; The base stage of the second triode is connected to the anode of the second voltage-stabiliser tube, and the emitter of the second triode is connected to the positive pole of the second electrochemical capacitor.Power indicating circuit is made up of the 9th resistance, the tenth resistance, the 3rd voltage-stabiliser tube, the first Light-Emitting Diode, the second light-emitting diode and the 3rd triode; One end of 9th resistance is connected to the positive pole of the second electrochemical capacitor, and the other end of the 9th resistance is connected to the base stage of the 3rd triode; The collector electrode of the 3rd triode is connected to the negative electrode of the first light-emitting diode, one end of the anode of the first light-emitting diode and the negative electrode of the 3rd voltage-stabiliser tube and the tenth resistance links together jointly, the other end of the tenth resistance is connected to the positive pole of the first rectifier bridge, the anode of the 3rd voltage-stabiliser tube is connected to the anode of the second light-emitting diode, and the negative electrode of the second light-emitting diode and the emitter of the 3rd triode are connected to the negative pole of rectifier bridge.Dropout drive circuit is made up of the first diode, the 4th electrochemical capacitor, first controllable silicon, the first release and a travel switch; The anode of the first diode is connected to the positive pole of the second electrochemical capacitor, the negative electrode of the first diode and the positive pole of the 4th electrochemical capacitor are connected to the first silicon controlled trigger electrode jointly, the negative pole of the first silicon controlled negative electrode and the 4th electrochemical capacitor is commonly connected to the negative pole of the first rectifier bridge, first silicon controlled anode is connected to one end of the first release, the other end of the first release is connected to one end of the normally-closed contact of the first travel switch, and the other end of the normally-closed contact of the first travel switch is connected to the positive pole of the first rectifier bridge.The first described triode is positive-negative-positive, and the second triode and the 3rd triode are NPN type.
Compared with prior art, the beneficial effect produced is the utility model:
Have employed minimum electronic devices and components, achieve the overvoltage tripping function of miniature circuit breaker annex, undervoltage tripping function and power supply are normal, abnormality deixis; Reduce product cost and reduce small product size, circuit is simple, reliable and stable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail below.
As shown in Figure 1, the utility model discloses a kind of overvoltage/undervoltage device being applicable to the instruction of miniature circuit breaker accessory tapes voltage, comprise full bridge rectifier 1, under-voltage circuit 2, overvoltage circuit 3, power indicating circuit 4 and dropout drive circuit 5; Full bridge rectifier 1 is connected to form by a piezo-resistance and a rectifier bridge; Under-voltage circuit 2 is made up of the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the first electrochemical capacitor C1, the second electrochemical capacitor C2, the first triode Q1 and the first voltage-stabiliser tube; One end of first resistance and one end of the second resistance are connected to the output cathode of the first rectifier bridge jointly, the negative pole of the first resistance other end and the first electrochemical capacitor and the public emitter being connected to first triode of the negative electrode of the first voltage-stabiliser tube; One end of the other end of the second resistance and the positive level of the first electrochemical capacitor and the 3rd resistance and one end of the 4th resistance link together; The other end of the 3rd resistance is connected to the ground level of the first triode Q1; The collector electrode of the first triode Q1 is connected with one end of the 5th resistance, and the other end of the 5th resistance is connected to the positive pole of the second electrochemical capacitor; The negative pole of the second electrochemical capacitor and the other end of the 4th resistance and the anode of the first voltage-stabiliser tube are connected to the output negative pole of the first rectifier bridge jointly.
Overvoltage circuit 3 is made up of the 6th resistance, the 7th resistance, the 8th resistance, the 3rd electrochemical capacitor, the second voltage-stabiliser tube and the second triode Q2; One end of 6th resistance is connected to the positive pole of the first rectifier bridge, and one end of the other end of the 6th resistance and the negative electrode of the second voltage-stabiliser tube and the 7th resistance and the positive pole of the 3rd electrochemical capacitor link together jointly; The other end of the 7th resistance and the negative pole of the 3rd electrochemical capacitor are connected to the output negative pole of the first rectifier bridge jointly; One end of 8th resistance is connected to the negative electrode of the first voltage-stabiliser tube, and the other end of the 8th resistance is connected to the collector electrode of the second triode; The base stage of the second triode is connected to the anode of the second voltage-stabiliser tube, and the emitter of the second triode is connected to the positive pole of the second electrochemical capacitor.
Power indicating circuit 4 is made up of the 9th resistance, the tenth resistance, the 3rd voltage-stabiliser tube, the first Light-Emitting Diode, the second light-emitting diode and the 3rd triode; One end of 9th resistance is connected to the positive pole of the second electrochemical capacitor, and the other end of the 9th resistance is connected to the base stage of the 3rd triode; The collector electrode of the 3rd triode is connected to the negative electrode of the first light-emitting diode, one end of the anode of the first light-emitting diode and the negative electrode of the 3rd voltage-stabiliser tube and the tenth resistance links together jointly, the other end of the tenth resistance is connected to the positive pole of the first rectifier bridge, the anode of the 3rd voltage-stabiliser tube is connected to the anode of the second light-emitting diode, and the negative electrode of the second light-emitting diode and the emitter of the 3rd triode are connected to the negative pole of rectifier bridge.
Dropout drive circuit 5 is made up of the first diode, the 4th electrochemical capacitor, first controllable silicon, the first release and a travel switch; The anode of the first diode is connected to the positive pole of the second electrochemical capacitor, the negative electrode of the first diode and the positive pole of the 4th electrochemical capacitor are connected to the first silicon controlled trigger electrode jointly, the negative pole of the first silicon controlled negative electrode and the 4th electrochemical capacitor is commonly connected to the negative pole of the first rectifier bridge, first silicon controlled anode is connected to one end of the first release, the other end of the first release is connected to one end of the normally-closed contact of the first travel switch, and the other end of the normally-closed contact of the first travel switch is connected to the positive pole of the first rectifier bridge.The first described triode is positive-negative-positive, and the second triode and the 3rd triode are NPN type.
A kind of operation principle being applicable to the two-way power transfer device of mother controller of the present utility model is as follows:
As shown in Figure 1, as shown in Figure 1, after switching on power, when supply voltage value triode Q1 and Q2 in normal range (NR) ends, now electrochemical capacitor C2 both end voltage is OV, controllable silicon Q3 does not trigger, and be cut-off state, release is failure to actuate, now triode Q4 not conducting, then light-emitting diode D6 extinguishes, and light-emitting diode D5 lights, and instruction supply voltage is normal; When supply voltage is reduced to the under voltage value of setting, triode Q1 conducting, for electrochemical capacitor C2 and C4 charges, when C4 both end voltage value reaches controllable silicon Q3 cut-in voltage, Q3 conducting, then release obtains electric dropout, Q4 conducting simultaneously, light-emitting diode D6 lights, and light-emitting diode D5 extinguishes, and instruction supply voltage is abnormal; When supply voltage is elevated to the overvoltage value of setting, triode Q2 conducting, for electrochemical capacitor C2 and C4 charges, when C4 both end voltage value reaches controllable silicon Q3 cut-in voltage, Q3 conducting, then release obtains electric dropout, Q4 conducting simultaneously, light-emitting diode D6 lights, and light-emitting diode D5 extinguishes, and instruction supply voltage is abnormal.
Embodiment recited above is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; do not departing under the utility model designs spiritual prerequisite; the various distortion that the common engineers and technicians in this area make technical solutions of the utility model and improvement, all should fall in protection range that claims of the present utility model determine.
Claims (5)
1. one kind is applicable to the overvoltage/undervoltage device of miniature circuit breaker accessory tapes voltage instruction, comprise full bridge rectifier (1), under-voltage circuit (2), overvoltage circuit (3), power indicating circuit (4) and dropout drive circuit (5); It is characterized in that: full bridge rectifier (1) is connected to form by a piezo-resistance and a rectifier bridge; Under-voltage circuit (2) is made up of the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the first electrochemical capacitor C1, the second electrochemical capacitor C2, the first triode Q1 and the first voltage-stabiliser tube; One end of first resistance and one end of the second resistance are connected to the output cathode of the first rectifier bridge jointly, the negative pole of the first resistance other end and the first electrochemical capacitor and the public emitter being connected to first triode of the negative electrode of the first voltage-stabiliser tube; One end of the other end of the second resistance and the positive level of the first electrochemical capacitor and the 3rd resistance and one end of the 4th resistance link together; The other end of the 3rd resistance is connected to the ground level of the first triode Q1; The collector electrode of the first triode Q1 is connected with one end of the 5th resistance, and the other end of the 5th resistance is connected to the positive pole of the second electrochemical capacitor; The negative pole of the second electrochemical capacitor and the other end of the 4th resistance and the anode of the first voltage-stabiliser tube are connected to the output negative pole of the first rectifier bridge jointly.
2. the overvoltage/undervoltage device of instruction with voltage according to claim 1, is characterized in that: overvoltage circuit (3) is made up of the 6th resistance, the 7th resistance, the 8th resistance, the 3rd electrochemical capacitor, the second voltage-stabiliser tube and the second triode Q2; One end of 6th resistance is connected to the positive pole of the first rectifier bridge, and one end of the other end of the 6th resistance and the negative electrode of the second voltage-stabiliser tube and the 7th resistance and the positive pole of the 3rd electrochemical capacitor link together jointly; The other end of the 7th resistance and the negative pole of the 3rd electrochemical capacitor are connected to the output negative pole of the first rectifier bridge jointly; One end of 8th resistance is connected to the negative electrode of the first voltage-stabiliser tube, and the other end of the 8th resistance is connected to the collector electrode of the second triode; The base stage of the second triode is connected to the anode of the second voltage-stabiliser tube, and the emitter of the second triode is connected to the positive pole of the second electrochemical capacitor.
3. the overvoltage/undervoltage device of instruction with voltage according to claim 2, is characterized in that: power indicating circuit (4) is made up of the 9th resistance, the tenth resistance, the 3rd voltage-stabiliser tube, the first Light-Emitting Diode, the second light-emitting diode and the 3rd triode; One end of 9th resistance is connected to the positive pole of the second electrochemical capacitor, and the other end of the 9th resistance is connected to the base stage of the 3rd triode; The collector electrode of the 3rd triode is connected to the negative electrode of the first light-emitting diode, one end of the anode of the first light-emitting diode and the negative electrode of the 3rd voltage-stabiliser tube and the tenth resistance links together jointly, the other end of the tenth resistance is connected to the positive pole of the first rectifier bridge, the anode of the 3rd voltage-stabiliser tube is connected to the anode of the second light-emitting diode, and the negative electrode of the second light-emitting diode and the emitter of the 3rd triode are connected to the negative pole of rectifier bridge.
4. the overvoltage/undervoltage device of instruction with voltage according to claim 3, is characterized in that: dropout drive circuit (5) is made up of the first diode, the 4th electrochemical capacitor, first controllable silicon, the first release and a travel switch; The anode of the first diode is connected to the positive pole of the second electrochemical capacitor, the negative electrode of the first diode and the positive pole of the 4th electrochemical capacitor are connected to the first silicon controlled trigger electrode jointly, the negative pole of the first silicon controlled negative electrode and the 4th electrochemical capacitor is commonly connected to the negative pole of the first rectifier bridge, first silicon controlled anode is connected to one end of the first release, the other end of the first release is connected to one end of the normally-closed contact of the first travel switch, and the other end of the normally-closed contact of the first travel switch is connected to the positive pole of the first rectifier bridge.
5. the overvoltage/undervoltage device of instruction with voltage according to claim 4, is characterized in that: the first described triode is positive-negative-positive, and the second triode and the 3rd triode are NPN type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520102471.3U CN204391018U (en) | 2015-02-10 | 2015-02-10 | A kind of overvoltage/undervoltage device being applicable to the instruction of miniature circuit breaker accessory tapes voltage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520102471.3U CN204391018U (en) | 2015-02-10 | 2015-02-10 | A kind of overvoltage/undervoltage device being applicable to the instruction of miniature circuit breaker accessory tapes voltage |
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| CN204391018U true CN204391018U (en) | 2015-06-10 |
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| CN201520102471.3U Active CN204391018U (en) | 2015-02-10 | 2015-02-10 | A kind of overvoltage/undervoltage device being applicable to the instruction of miniature circuit breaker accessory tapes voltage |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026015A (en) * | 2016-08-02 | 2016-10-12 | 德力西电气有限公司 | Line overvoltage protection circuit with overvoltage alarm tripping function |
| CN107704004A (en) * | 2017-09-05 | 2018-02-16 | 河南省大方重型机器有限公司 | A kind of crane travel switch contact voltage circuit for regulating and controlling |
-
2015
- 2015-02-10 CN CN201520102471.3U patent/CN204391018U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026015A (en) * | 2016-08-02 | 2016-10-12 | 德力西电气有限公司 | Line overvoltage protection circuit with overvoltage alarm tripping function |
| CN106026015B (en) * | 2016-08-02 | 2018-11-27 | 德力西电气有限公司 | A kind of Line over-voltage protection circuit with over voltage alarm tripping |
| CN107704004A (en) * | 2017-09-05 | 2018-02-16 | 河南省大方重型机器有限公司 | A kind of crane travel switch contact voltage circuit for regulating and controlling |
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