CN200950423Y - AC contactor control circuit and energy-saving material-saving AC contactor having the same - Google Patents
AC contactor control circuit and energy-saving material-saving AC contactor having the same Download PDFInfo
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- CN200950423Y CN200950423Y CN 200620046554 CN200620046554U CN200950423Y CN 200950423 Y CN200950423 Y CN 200950423Y CN 200620046554 CN200620046554 CN 200620046554 CN 200620046554 U CN200620046554 U CN 200620046554U CN 200950423 Y CN200950423 Y CN 200950423Y
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- contactor
- circuit
- resistance
- control circuit
- voltage
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Abstract
The utility model discloses an ac contactor control circuit and an energy and material saving ac contactor having the circuit. The circuit includes a contactor holding current supply circuit and a contactor starting current supply circuit having a scr pulse trigger circuit which is characterized in that the scr pulse trigger circuit has three resistors, a regulator tube and two capacitors; wherein a varistor is arranged between the parallel communication node of a resistor, the regulator tube, a capacitor and the parallel communication node of the other two resistor, another capacitor. By adopting the above ac contactor circuit, a varistor working as a voltage negative feedback element is introduced into the scr pulse trigger circuit, and the charge time of the capacitor connecting the varistor can be changed, when the supply voltage rises, to decrease the trigger pulse width, then the starting-up energy of the contactor can is reduced, thus the impact force of the iron core does not have to increase.
Description
Technical field
The utility model relates to a kind of A.C. contactor, specifically, and the A.C. contactor that relates to the control circuit of A.C. contactor and have the energy-saving material-saving of above-mentioned control circuit.
Background technology
At present, the disclosed energy-saving material-saving A.C. contactor of technology, as: the patent No. is that 94242109.4 " energy-saving material-saving silent running A.C. contactor ", the patent No. are 01271607.3 products such as " having wide voltage energy-saving silencing contactor ", and ubiquitous weak point is: the control circuit structure of A.C. contactor need take the auxiliary contact of contactor than complexity or control circuit and make troubles to the user.Owing to Circuit Design is the direct parallel diode afterflow of the contactor coil release of delaying time.Contactor is when supply voltage rising adhesive, and impact unshakable in one's determination increases thereupon.Adopt the energy-saving material-saving effect of A.C. contactor of above-mentioned control circuit also not obvious.
The utility model content
The technical problems to be solved in the utility model is, a kind of ac contactor control circuit is provided and has the energy-saving material-saving A.C. contactor of this circuit, satisfies the big electric current adhesive of broad pulse, the characteristic of little direct current sticking, and make that contactor energy-saving material-saving effect is obvious.
In order to achieve the above object, the technical solution of the utility model is as follows:
A kind of ac contactor control circuit comprises contactor holding current supply circuit and contactor starting current supply circuit; Described contactor starting current supply circuit has a controllable silicon pulsed triggering circuit, it is characterized in that, described controllable silicon pulsed triggering circuit comprises three resistance, a voltage-stabiliser tube, two electric capacity; Be connected with a piezo-resistance between the sys node of the sys node of one of them resistance, voltage-stabiliser tube, an electric capacity and other two resistance, another electric capacity.
The A.C. contactor that has above-mentioned control circuit, as the CJ20-160A type, its pull-in winding diameter is 0.29 millimeter, the number of turn is 600x2, its core length is 80 millimeters, and width is 37 millimeters, and the coil weight of other model contactor and core volume all have obviously and reduce.
Adopt above-mentioned energy-saving material-saving A.C. contactor, control circuit in it has been introduced the piezo-resistance as the voltage negative feedback element in SCR trigger pulse width circuit, when raising, supply voltage can change the charging interval of the electric capacity that links to each other with piezo-resistance, reduce trigger pulse width, reduced the start-up energy of contactor, thereby made impact unshakable in one's determination be unlikely to increase.
Preferably, described contactor holding current supply circuit comprises two diodes, two electric capacity, a voltage-stabiliser tube and a resistance; The sys node of two electric capacity and a diode connects an end of contactor, and the sys node of resistance and another diode is connected the other end of contactor; Voltage-stabiliser tube is connected between two diodes.In holding circuit, add the rate of release that above-mentioned voltage-stabiliser tube, electric capacity and resistance can be accelerated contactor effectively.
Description of drawings
Fig. 1 is ac contactor control circuit figure of the present utility model.
Embodiment
According to Fig. 1, provide preferred embodiment of the present utility model, and described in detail below, enable to understand better function of the present utility model, characteristics.
Fig. 1 is ac contactor control circuit figure of the present utility model.As shown in the figure, ac contactor control circuit mainly is made up of contactor holding current supply circuit and contactor starting current supply circuit.
Contactor holding current supply circuit, by diode D1, D2, capacitor C 1, C2, voltage-stabiliser tube DW1, resistance R 1 connect and form, and supply with contactor C holding current.The end of contactor C also meets capacitor C 1, C2 and diode D1, the other end and connecting resistance R1 and diode D2.Be connected with voltage-stabiliser tube DW1 between diode D2 and the diode D1.Change wherein the parameter of capacitor C 1 and just can regulate the holding current size.In holding circuit, introduce the rate of release that voltage-stabiliser tube DW1, capacitor C 2 and resistance R 1 can be accelerated contactor effectively.
Contactor starting current supply circuit is made up of controllable silicon SCR pulsed triggering circuit and diode D1, D3, supplies with contactor C starting current.The controllable silicon SCR pulsed triggering circuit is by resistance R 2, R3, R4, capacitor C 3, C4, and voltage-stabiliser tube DW2, DW3, diode D4, D5, piezo-resistance DV2 connects to form.The sys node of resistance R 3, voltage-stabiliser tube DW3, capacitor C 4 and resistance R 2, R4 are connected with piezo-resistance DV2 between the sys node of capacitor C 3.This piezo-resistance DV2 is as the voltage negative feedback element, can change the charging interval of capacitor C 3 when supply voltage raises, and reduces trigger pulse width, has reduced the start-up energy of contactor, thereby makes impact unshakable in one's determination be unlikely to increase.
Diode D3 links to each other with diode D2, and links to each other with resistance R 4 with capacitor C 3 respectively through diode D4.Controllable silicon SCR links to each other in turn with diode D5, voltage-stabiliser tube DW2.The sys node of resistance R 3, voltage-stabiliser tube DW3, capacitor C 4 and piezo-resistance DV2 is provided with terminals A2, and the sys node of diode D1 and voltage-stabiliser tube DW1 is provided with terminals A1.Be connected with piezo-resistance DV1 between terminals A1, the A2.
Adopt the A.C. contactor of above-mentioned control circuit, comprised contact part, electromagnet portion and control section.Wherein electromagnet portion is compared with the A.C. contactor of model specification of the same race and is mainly contained following different (is example with CJ20-160A 380V):
Because this control circuit operation of this contactor adapted, its holding current is little direct current, so the core material of electromagnet portion can and not inlayed divided magnetic ring with the ordinary silicon steel disc; And general A.C. contactor is the alternating current sticking, and in order to reduce magnetic loss unshakable in one's determination and shake unshakable in one's determination, its core material must adopt high-quality silicon steel sheet and inlay divided magnetic ring.
The used enamelled wire weight of contactor pull-in winding is 42% of former model specification; The specification of this model primary coil is: 0.35 millimeter of diameter, the number of turn 900 * 2.0.29 millimeter of new coil diameter, the number of turn 600 * 2.
Compare length with the former iron core of this model and reduce 10 millimeters, width reduces 8 millimeters.Iron core weight is 72% of a former model specification.The coil weight of other model contactor and core volume all have obviously and reduce.
Through test, holding power is 5% of a former model specification.
The front provides the description to preferred embodiment, so that any technical staff in this area can use or utilize the utility model.To this preferred embodiment, those skilled in the art can make various modifications or conversion on the basis that does not break away from the utility model principle.Be that every simple, equivalence of doing according to the claims and the description of the utility model application changes and modification, all fall into the claim protection range of the utility model patent.
Claims (7)
1, a kind of ac contactor control circuit comprises contactor holding current supply circuit and contactor starting current supply circuit; Described contactor starting current supply circuit has a controllable silicon pulsed triggering circuit, it is characterized in that, described controllable silicon pulsed triggering circuit comprises resistance (R2), (R3), (R4), voltage-stabiliser tube (DW3), electric capacity (C3), (C4); Be connected with a piezo-resistance (DV2) between the sys node of the sys node of described resistance (R3), voltage-stabiliser tube (DW3), electric capacity (C4) and resistance (R2), (R4), electric capacity (C3).
2, ac contactor control circuit as claimed in claim 1 is characterized in that, described contactor holding current supply circuit comprises diode (D1), (D2), electric capacity (C1), (C2), voltage-stabiliser tube (DW1), resistance (R1); The sys node of electric capacity (C1), (C2) and diode (D1) connects an end of contactor, and resistance (R1) is connected the other end of contactor with the sys node of diode (D2); Voltage-stabiliser tube DW1 is connected between diode D2 and the diode D1.
3, ac contactor control circuit as claimed in claim 2 is characterized in that, the sys node of resistance (R3), voltage-stabiliser tube (DW3), electric capacity (C4) and piezo-resistance (DV2) is provided with terminals (A2).
4, ac contactor control circuit as claimed in claim 3 is characterized in that, the sys node of diode (D1) and voltage-stabiliser tube (DW1) is provided with terminals (A1).
5, ac contactor control circuit as claimed in claim 4 is characterized in that, is connected with piezo-resistance (DV1) between terminals (A1), (A2).
6, the A.C. contactor that has control circuit as claimed in claim 1 comprises pull-in winding and iron core, it is characterized in that, described A.C. contactor is the CJ20-160A type, and the pull-in winding diameter is 0.29 millimeter, and the number of turn is 600 * 2.
7, A.C. contactor as claimed in claim 6 is characterized in that, described core length is 80 millimeters, and width is 37 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620046554 CN200950423Y (en) | 2006-09-29 | 2006-09-29 | AC contactor control circuit and energy-saving material-saving AC contactor having the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620046554 CN200950423Y (en) | 2006-09-29 | 2006-09-29 | AC contactor control circuit and energy-saving material-saving AC contactor having the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200950423Y true CN200950423Y (en) | 2007-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620046554 Expired - Lifetime CN200950423Y (en) | 2006-09-29 | 2006-09-29 | AC contactor control circuit and energy-saving material-saving AC contactor having the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200950423Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102543579A (en) * | 2012-02-08 | 2012-07-04 | 宁波市镇海华泰电器厂 | Power-saving and silencing alternating-current contactor |
| CN102568932A (en) * | 2012-02-08 | 2012-07-11 | 宁波市镇海华泰电器厂 | Alternating current contactor with power saving and noise elimination |
| CN102637554A (en) * | 2012-05-07 | 2012-08-15 | 宁波市镇海华泰电器厂 | Frequency conversion unit used for alternating current contactor |
| CN103413725A (en) * | 2013-08-01 | 2013-11-27 | 宁波市镇海华泰电器厂 | Power-saving type alternating current contactor with power-saving unit |
-
2006
- 2006-09-29 CN CN 200620046554 patent/CN200950423Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102543579A (en) * | 2012-02-08 | 2012-07-04 | 宁波市镇海华泰电器厂 | Power-saving and silencing alternating-current contactor |
| CN102568932A (en) * | 2012-02-08 | 2012-07-11 | 宁波市镇海华泰电器厂 | Alternating current contactor with power saving and noise elimination |
| CN102568932B (en) * | 2012-02-08 | 2014-07-16 | 宁波市镇海华泰电器厂 | Alternating current contactor with power saving and noise elimination |
| CN102637554A (en) * | 2012-05-07 | 2012-08-15 | 宁波市镇海华泰电器厂 | Frequency conversion unit used for alternating current contactor |
| CN102637554B (en) * | 2012-05-07 | 2014-09-10 | 宁波市镇海华泰电器厂 | Frequency conversion unit used for alternating current contactor |
| CN103413725A (en) * | 2013-08-01 | 2013-11-27 | 宁波市镇海华泰电器厂 | Power-saving type alternating current contactor with power-saving unit |
| CN103413725B (en) * | 2013-08-01 | 2015-10-28 | 国家电网公司 | Be provided with the electricity-saving type A.C. contactor of power save unit |
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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 |
Owner name: DELIXI ELECTRIC LTD. Free format text: FORMER OWNER: DELIXI GROUP CO., LTD. Effective date: 20071228 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20071228 Address after: Yueqing City, Zhejiang province Liushi Delixi high tech Industrial Park, zip code: 325604 Patentee after: Delixi Electric Co., Ltd. Address before: Yueqing City, Zhejiang province Liushi Delixi Industrial Park, zip code: 325604 Patentee before: Dalixi Group Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070919 |
|
| EXPY | Termination of patent right or utility model |