CN201877362U - Permanent magnetic type contactor driving circuit - Google Patents
Permanent magnetic type contactor driving circuit Download PDFInfo
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- CN201877362U CN201877362U CN2010206426058U CN201020642605U CN201877362U CN 201877362 U CN201877362 U CN 201877362U CN 2010206426058 U CN2010206426058 U CN 2010206426058U CN 201020642605 U CN201020642605 U CN 201020642605U CN 201877362 U CN201877362 U CN 201877362U
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- 230000005389 magnetism Effects 0.000 claims description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 15
- 229910052710 silicon Inorganic materials 0.000 claims description 15
- 239000010703 silicon Substances 0.000 claims description 15
- 239000003990 capacitor Substances 0.000 claims description 14
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 238000004146 energy storage Methods 0.000 abstract description 5
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000007600 charging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a permanent magnetic type contactor driving circuit, comprising a rectifying circuit. The rectifying circuit is connected with a suction circuit and a driving voltage detecting circuit; the suction circuit is connected with a coil by an energy storage circuit; and the driving voltage detecting circuit is connected with the suction circuit and a release circuit simultaneously, and the release circuit is connected with the energy storage circuit and the coil simultaneously. The permanent magnetic type contactor driving circuit can be used for controlling interruption of a single-coil permanent magnetic type contactor, and the interference of a power grid is eliminated so as to prevent false operation.
Description
Technical field
The utility model relates to a kind of permanent magnetism type contactor drive circuit, says so more specifically, a kind of disjunction that is used to control the unicoil permanent magnet contactor, and eliminate Disturbance in Power Net, prevent the drive circuit of malfunction.
Background technology
For a long time, high reliability and versatility are restricting promoting the use of of permanent magnetism type contactor always, and are main causes to the height that requires of drive circuit wherein.The permanent magnetism type contactor drive circuit that uses is very complicated at present, and mostly is control twin coil circuit, makes that permanent magnetism type contactor mechanical action complex structure is unfavorable for installing.
The utility model content
Because the problems referred to above that prior art exists, the purpose of this utility model are to propose a kind of permanent magnetism type contactor drive circuit, it can effectively solve the problem that prior art exists.
For achieving the above object, the utility model is solved by the following technical solutions:
A kind of permanent magnetism type contactor drive circuit comprises a rectification circuit, and it is connected with an attraction circuit and a driving voltage testing circuit; This attraction circuit links to each other with a coil by an accumulator; Described driving voltage testing circuit discharges circuit with described attraction circuit and and links to each other, and should link to each other with coil with described accumulator by the release circuit.
As further feature of the present utility model, an end of described rectification circuit is by a piezo-resistance ground connection.
As further feature of the present utility model, described driving voltage testing circuit comprises first, second, third resistance of series connection successively, wherein an end of the 3rd resistance links to each other with the positive pole of light-emitting diode, and the negative pole of this light-emitting diode links to each other with the base stage of a negative-positive-negative transistor; The other end of described the 3rd resistance links to each other with an end of described rectification circuit and the emitter of described negative-positive-negative transistor, and the collector electrode of this negative-positive-negative transistor links to each other with described release circuit; First electric capacity is connected in parallel on the two ends of described the 3rd resistance.
As further technical characterictic of the present utility model, described permanent magnetism type contactor drive circuit, described accumulator comprises second voltage stabilizing didoe, the 4th electric capacity and the 11 resistance, an end ground connection after these three element parallel connections, the other end link to each other with an end that is connected with described irritated resistance of described rectification circuit by the 8th diode of the 12 resistance and a forward conduction successively.
As further technical characterictic of the present utility model, described attraction circuit with described release circuit is: first controllable silicon of a forward conduction links to each other with described coil by the 9th resistance; The 5th diode of one forward conduction link to each other with the voltage stabilizing didoe of a reversal connection six diode of back by a forward conduction with connect and described coil after the 8th resistance links to each other; The 5th resistance is connected in parallel on described the 8th, the 9th resistance two ends, and described first silicon controlled control utmost point links to each other with the negative pole of described the 6th diode; The 5th resistance connects ground connection behind the 6th resistance, the 7th resistance successively; The two ends of the 7th resistance link to each other with negative electrode with second silicon controlled control utmost point respectively and link to each other with described coil behind the 7th diode that the back passes through reverse-conducting and the tenth resistance; Second electric capacity is connected in parallel on described the 7th resistance two ends, and the 3rd electric capacity is connected in parallel on described the tenth resistance and the 7th diode two ends; The positive pole of described the 6th diode links to each other with the negative pole of described the 7th diode; Link to each other with the collector electrode of described negative-positive-negative transistor between described the 6th resistance and described the 7th resistance.
As further technical characterictic of the present utility model, the 4th electric capacity is electrochemical capacitor.
Because adopt above technical scheme, a kind of permanent magnetism type contactor drive circuit of the present utility model has the function of automatically shutting down, the little control rate of volume is fast, has higher antijamming capability; And quite convenient on element buying, assembling, machine debugging, can reach requirement of mass production, reduce buying and cost of labor.
Description of drawings
Fig. 1 is a structured flowchart of the present utility model;
Among the figure: 1, rectification circuit; 2, attraction circuit; 3, accumulator; 4, the driving voltage testing circuit; 5, discharge circuit
Fig. 2 is physical circuit figure of the present utility model.
Embodiment
The utility model is described in further detail with specific embodiment with reference to the accompanying drawings below:
As shown in Figure 1, a kind of permanent magnetism type contactor drive circuit comprises a rectification circuit 1, and it is connected with an attraction circuit 2 and a driving voltage testing circuit 4; This attraction circuit 2 links to each other with a coil L1 by an accumulator 3; Driving voltage testing circuit 4 discharges circuit 5 with attraction circuit 2 and simultaneously and links to each other, and should link to each other with coil L1 with accumulator 3 simultaneously by release circuit 5.
As shown in Figure 2, an end of rectification circuit 1 is by a piezo-resistance RV ground connection.Driving voltage testing circuit 4 comprises first, second, third resistance (being respectively R1, R2, R3 among Fig. 2) of series connection successively, wherein an end of the 3rd resistance R 3 links to each other with the positive pole of LED, and the negative pole of this LED links to each other with the base stage of a negative-positive-negative transistor Q; The other end of the 3rd resistance R 3 links to each other with an end of rectification circuit and the emitter of negative-positive-negative transistor Q, and the collector electrode of this negative-positive-negative transistor Q links to each other with the release circuit; First capacitor C 1 is connected in parallel on the two ends of the 3rd resistance.Normally be 220V when the 5th, the 6th resistance (be respectively among Fig. 2 and R5, R6) two ends apply greater than 150V() alternating voltage the time, follow-up coil L1 release circuit 5 is blocked in negative-positive-negative transistor Q conducting is failure to actuate it, when the 5th, the 6th resistance (be respectively among Fig. 2 and R5, R6) both end voltage to less than 100V the time, negative-positive-negative transistor Q is by removing discharging the blockade of circuit 5, and the quality of this part work directly influences the antijamming capability of contactor.
Accumulator 3 comprises the second voltage stabilizing didoe DW2, the 4th capacitor C 4 and the 11 resistance R 11, an end ground connection after these three element parallel connections, the other end links to each other with an end that is connected with irritated resistance R V of rectification circuit 1 by the 8th diode D8 of the 12 resistance R 12 and a forward conduction successively, it can prevent the coil shunt running, the 11 resistance R 11 produces accumulation voltage for preventing on the 4th capacitor C 4, thereby influences the adhesive reliability.Wherein the 4th capacitor C 4 is the electrochemical capacitor of high-voltage large-capacity, connecting initial stage energy storage adhesive, provides bucking voltage for coil L1 when turn-offing, thereby disconnects contactor.
Attraction circuit 2 with release circuit 5 is: the first controllable silicon T1 of a forward conduction links to each other with coil L1 by the 9th resistance R 9; The 5th diode D5 of one forward conduction link to each other with the voltage stabilizing didoe DW2 of a reversal connection the six diode D6 of back by a forward conduction with connect and coil L1 after the 8th resistance R 8 links to each other; The 5th resistance R 5 is connected in parallel on the 8th, the 9th resistance (being respectively R8, R9 among Fig. 2) two ends, and the control utmost point of the first controllable silicon T1 links to each other with the negative pole of the 6th diode D6; The 5th resistance R 5 connects the 6th resistance, the 7th resistance (R6, the R7 among Fig. 2 respectively) back ground connection successively; The two ends of the 7th resistance R 7 link to each other with coil L1 with the tenth resistance R 10 backs with the control utmost point of the second controllable silicon T2, the 7th diode D7 of back by reverse-conducting that link to each other with negative electrode respectively; Second capacitor C 2 is connected in parallel on the 7th resistance R 7 two ends, and the 3rd capacitor C 3 is connected in parallel on the tenth resistance R 10 and the 7th diode D7 two ends; The positive pole of the 6th diode D6 links to each other with the negative pole of the 7th diode D7; Link to each other with the collector electrode of negative-positive-negative transistor Q between the 6th resistance R 6 and the 7th resistance R 7.Five, the 6th diode (being respectively D5, D6 among Fig. 2) plays the non-return effect, prevent that tank circuit 3 voltages are return to driving voltage detection loop 4, the first voltage stabilizing didoe DW1 plays the effect of anti-induced voltage and raises operation voltage, the 3rd capacitor C 3 is that the anti-pulsation of filtering is disturbed herein, good trigger voltage is provided for the first controllable silicon T1.When the first controllable silicon T1 conducting after-current through the 9th resistance R 9 current limlitings to pull-in winding L1 to 4 chargings of big electrolysis the 4th capacitor C.Because electric current is big and be applied to the coil both end voltage and be the positive right negative state in a left side, contactor adhesive in the initial stage process.Electric current is zero when finishing for the 4 charging energy storage of the 4th capacitor C, and coil current also is zero.When contactor the 5th, the 6th resistance (R5, R6) corresponding negative-positive-negative transistor Q ends during the dead electricity of two ends, the voltage of the 4th capacitor C 4 energy storage is by described coil L1, the 9th resistance R 9, the 5th, the 6th resistance (is respectively the R5 among Fig. 2, R6) to the second controllable silicon T2 control utmost point, start the second controllable silicon T2, for providing the negative bucking voltage in a right positive left side, coil L1 discharges contactor by the 4th capacitor C 4, in this process, the second controllable silicon T2 is by second resistance R 2, the 6th diode D6 controls extremely strong row to the first controllable silicon T1 and is pulled to electronegative potential, and this designs in order to prevent contactor control voltage dithering.
But above-mentioned embodiment is exemplary, is to be the restriction that this patent is comprised scope in order better to make those skilled in the art can understand this patent, can not to be interpreted as; So long as according to spirit that this patent discloses done anyly be equal to change or modify, all fall into the scope that this patent comprises.
Claims (6)
1. permanent magnetism type contactor drive circuit, it is characterized in that: comprise a rectification circuit, it is connected with an attraction circuit and a driving voltage testing circuit; This attraction circuit links to each other with a coil by an accumulator; Described driving voltage testing circuit discharges circuit with described attraction circuit and simultaneously and links to each other, and should link to each other with coil with described accumulator simultaneously by the release circuit.
2. a kind of permanent magnetism type contactor drive circuit according to claim 1 is characterized in that: an end of described rectification circuit is by a piezo-resistance ground connection.
3. permanent magnetism type contactor drive circuit according to claim 2, it is characterized in that: described driving voltage testing circuit comprises first, second, third resistance of series connection successively, wherein an end of the 3rd resistance links to each other with the positive pole of light-emitting diode, and the negative pole of this light-emitting diode links to each other with the base stage of a negative-positive-negative transistor; The other end of described the 3rd resistance links to each other with an end of described rectification circuit and the emitter of described negative-positive-negative transistor, and the collector electrode of this negative-positive-negative transistor links to each other with described release circuit; First electric capacity is connected in parallel on the two ends of described the 3rd resistance.
4. permanent magnetism type contactor drive circuit according to claim 3, it is characterized in that: described accumulator comprises second voltage stabilizing didoe, the 4th electric capacity and the 11 resistance, an end ground connection after these three element parallel connections, the other end link to each other with an end that is connected with described irritated resistance of described rectification circuit by the 8th diode of the 12 resistance and a forward conduction successively.
5. permanent magnetism type contactor drive circuit according to claim 4 is characterized in that: described attraction circuit with described release circuit is: first controllable silicon of a forward conduction links to each other with described coil by the 9th resistance; The 5th diode of one forward conduction link to each other with the voltage stabilizing didoe of a reversal connection six diode of back by a forward conduction with connect and described coil after the 8th resistance links to each other; The 5th resistance is connected in parallel on described the 8th, the 9th resistance two ends, and described first silicon controlled control utmost point links to each other with the negative pole of described the 6th diode; The 5th resistance connects ground connection behind the 6th resistance, the 7th resistance successively; The two ends of the 7th resistance link to each other with negative electrode with second silicon controlled control utmost point respectively and link to each other with described coil behind the 7th diode that the back passes through reverse-conducting and the tenth resistance; Second electric capacity is connected in parallel on described the 7th resistance two ends, and the 3rd electric capacity is connected in parallel on described the tenth resistance and the 7th diode two ends; The positive pole of described the 6th diode links to each other with the negative pole of described the 7th diode; Link to each other with the collector electrode of described negative-positive-negative transistor between described the 6th resistance and described the 7th resistance.
6. according to each described permanent magnetism type contactor drive circuit among the claim 1-5, it is characterized in that: the 4th electric capacity is electrochemical capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206426058U CN201877362U (en) | 2010-12-06 | 2010-12-06 | Permanent magnetic type contactor driving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206426058U CN201877362U (en) | 2010-12-06 | 2010-12-06 | Permanent magnetic type contactor driving circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201877362U true CN201877362U (en) | 2011-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206426058U Expired - Fee Related CN201877362U (en) | 2010-12-06 | 2010-12-06 | Permanent magnetic type contactor driving circuit |
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| CN (1) | CN201877362U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106462135A (en) * | 2015-02-17 | 2017-02-22 | 株式会社Lg 化学 | Contactor control system |
| CN107785210A (en) * | 2017-12-18 | 2018-03-09 | 山西埃斯曼电气科技有限公司 | A kind of permanent magnetism double-coil contactor control circuit and its control method |
-
2010
- 2010-12-06 CN CN2010206426058U patent/CN201877362U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106462135A (en) * | 2015-02-17 | 2017-02-22 | 株式会社Lg 化学 | Contactor control system |
| CN106462135B (en) * | 2015-02-17 | 2019-02-26 | 株式会社Lg 化学 | Contactor control system |
| CN107785210A (en) * | 2017-12-18 | 2018-03-09 | 山西埃斯曼电气科技有限公司 | A kind of permanent magnetism double-coil contactor control circuit and its control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: LI JIANQUAN QIAN LIGUO Effective date: 20120302 Owner name: GUANGXI RUIYI TECHNOLOGY DEVELOPMENT CO., LTD. Free format text: FORMER OWNER: CHEN TING Effective date: 20120302 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200235 CHANGNING, SHANGHAI TO: 543100 WUZHOU, GUANGXI ZHUANG AUTONOMOUS REGION |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120302 Address after: 543100, No. 6, Industrial Avenue, Wuzhou Industrial Park, Guangxi Patentee after: Guangxi Ramway Technology Development Co., Ltd. Address before: 200235 Shanghai city Changning District Suining road 889, 4 floor of Building 2 Co-patentee before: Li Jianquan Patentee before: Chen Ting Co-patentee before: Qian Liguo |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20131206 |