CN203705851U - Control circuit - Google Patents
Control circuit Download PDFInfo
- Publication number
- CN203705851U CN203705851U CN201320848878.1U CN201320848878U CN203705851U CN 203705851 U CN203705851 U CN 203705851U CN 201320848878 U CN201320848878 U CN 201320848878U CN 203705851 U CN203705851 U CN 203705851U
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- China
- Prior art keywords
- contactor
- auxiliary reclay
- coil
- relay
- time delay
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 206010020852 Hypertonia Diseases 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- Relay Circuits (AREA)
Abstract
The utility model provides a control circuit. The control circuit comprises a memory sub circuit and a control sub circuit; power of the memory sub circuit is provided by a battery pack alone; as a delay disconnection relay in the memory sub circuit has delay disconnection characteristics, the memory sub circuit can memorize the state of a contactor before power failure after power is off; if the normally open auxiliary contact of the contactor is in a closed state before power failure, the contactor can automatically start due to closing of a second normally open contact of the delay disconnection relay in the control sub circuit when power is on again; and if the normally open auxiliary contact of the contactor is in a disconnected state before power failure, the contactor does not automatically start due to disconnection of a second normally open contact of the delay disconnection relay in the control sub circuit when power is on again, and at the time, a starting button needs to be operated again for starting.
Description
Technical field
The utility model relates to circuit control technology field, more particularly, relates to a kind of control circuit.
Background technology
In chemical engineering industry production run, can produce industrial waste water, the mud that industrial waste water obtains after the wastewater treatments such as flocculation sediment, need re-use pressure filter dehydration.Mud is got to pressure filter the inside by steam piano, by the electro-hydraulic system in pressure filter, mud is pushed, and the moisture in mud is squeezed out.For increasing work efficiency, conventionally open after work pressure filter.
In the time that factory occurs to have a power failure, pressure filter will quit work.After factory sends a telegram here again, steam piano can work on, and still, because the hydraulic electric motor circuit controling element of pressure filter is contactor, and contactor can not opened work automatically, thereby causes pressure filter can not work.Therefore,, if the situation of once more sending a telegram here after After Hours having a power failure, steam piano continues to inject the mud of pressure filter, will make the filter core of pressure filter damage because of hypertonia, and mud is ejected.
Utility model content
In view of this; the utility model provides a kind of control circuit; to realize the record of the state before pressure filter is had a power failure; if pressure filter is stopped status before having a power failure; again after incoming call, do not open, if pressure filter is open state before having a power failure, again after incoming call, continue to open; thereby while effectively avoiding the situation of once more sending a telegram here occurs to have a power failure, because steam piano continues to inject the situation that pressure filter mud causes the filter core of pressure filter to damage.
A kind of control circuit, comprising: memory electronic circuit and control electronic circuit;
Described memory electronic circuit comprises: first of electric battery, contactor often opened the normally opened contact of the coil of auxiliary contact, the first auxiliary reclay, described the first auxiliary reclay, normally closed contact, the first normally opened contact of time delay disconnection relay and the coil of described time delay disconnection relay of the second auxiliary reclay;
One end of the normally closed contact of described the second auxiliary reclay connects the positive pole of described electric battery, the other end of the normally closed contact of described the second auxiliary reclay connects one end of the coil of described the first auxiliary reclay by the first normally opened contact of described time delay disconnection relay, the other end of the coil of described the first auxiliary reclay connects the negative pole of described electric battery;
First of described contactor is often opened the positive pole that the first common port that auxiliary contact are connected in parallel with the normally opened contact of described the first auxiliary reclay is connected described electric battery, and the coil that the second common port disconnects relay by described time delay connects the negative pole of described electric battery;
Described control electronic circuit comprises: second of the coil of the coil of stop button, start button, described the second auxiliary reclay, the second normally opened contact of described time delay disconnection relay, described contactor and described contactor often driven auxiliary contact;
One end of the coil of described the second auxiliary reclay connects the phase line of AC power, and the other end of the coil of described the second auxiliary reclay connects the zero line of described AC power;
One end of described stop button connects the phase line of described AC power, and the other end of described stop button is connected the zero line of described AC power by the coil of the described start button that is connected in series and described contactor;
The second normally opened contact and described start button that described time delay disconnects relay are connected in parallel;
The second normally opened contact that second of described contactor is often driven auxiliary contact and described time delay disconnection relay is connected in parallel.
Preferably, also comprise: electrothermal relay;
One end of described electrothermal relay connects the coil of described contactor, and the other end of described electrothermal relay connects the zero line of described AC power.
Preferably, the model of described the first auxiliary reclay is identical with the model of described the second auxiliary reclay.
Preferably, described the first auxiliary reclay and described the second auxiliary reclay are NY series auxiliary reclay.
Preferably, described the first auxiliary reclay and described the second auxiliary reclay are MY series auxiliary reclay.
Preferably, the model of described the first auxiliary reclay is different with the model of described the second auxiliary reclay.
Preferably, described contactor is A.C. contactor.
Preferably, described A.C. contactor is CJ Series AC Contactor.
Preferably, described A.C. contactor is B Series AC Contactor.
Preferably, the power supply of described control electronic circuit is 220V.
Can find out from above-mentioned technical scheme, the utility model provides a kind of control circuit, control circuit comprises: memory electronic circuit and control electronic circuit, memory electronic circuit is powered separately by electric battery, time delay in memory electronic circuit disconnects relay owing to having the characteristic of time delay disconnection, therefore, after power failure, can make to remember the state before electronic circuit memory contactor has a power failure.If before power failure, the auxiliary contact of often opening of contactor are closure state, after again sending a telegram here, contactor meeting startup automatically because of the closure of the second normally opened contact of time delay disconnection relay in control electronic circuit; If before having a power failure, the auxiliary contact of often opening of contactor are off-state, after again sending a telegram here, contactor can or not start automatically because controlling the disconnection of the second normally opened contact of time delay disconnection relay in electronic circuit, now needs operation start button again just can start.Therefore; the control circuit that the utility model provides can be realized the record of the state before pressure filter is had a power failure; if pressure filter is stopped status before having a power failure; again after incoming call, do not open; if pressure filter is open state before having a power failure; again after incoming call, continue to open, thereby after effectively having avoided having a power failure once more when the situation of incoming call, because steam piano continues to inject the situation that pressure filter mud causes the filter core damage of pressure filter.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the circuit diagram of the disclosed a kind of control circuit of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Referring to Fig. 1, the utility model embodiment discloses a kind of circuit diagram of control circuit, and control circuit comprises: memory electronic circuit 01 and control electronic circuit 02;
Memory electronic circuit 01 comprises: first of electric battery 11, contactor KM often opens the coil of auxiliary contact, the first auxiliary reclay KA1, the normally opened contact of the first auxiliary reclay KA1, normally closed contact, the first normally opened contact of time delay disconnection relay K T1 and the coil of time delay disconnection relay K T1 of the second auxiliary reclay KA2;
Wherein:
One end of the normally closed contact of the second auxiliary reclay KA2 connects the positive pole of electric battery 11, the first normally opened contact that the other end of the normally closed contact of the second auxiliary reclay KA2 disconnects relay K T1 by time delay connects one end of the coil of the first auxiliary reclay KA1, and the other end of the coil of the first auxiliary reclay KA1 connects the negative pole of electric battery 11;
First of contactor KM often leaves the positive pole that the first common port that auxiliary contact are connected in parallel with the normally opened contact of the first auxiliary reclay KA1 is connected electric battery 11, and the coil that the second common port disconnects relay K T1 by time delay connects the negative pole of electric battery 11;
Controlling electronic circuit 02 comprises: second of the coil of the coil of stop button SB1, start button SB2, the second auxiliary reclay KA2, the second normally opened contact that time delay disconnects relay K T1, contactor KM and contactor KM often drives auxiliary contact;
Wherein:
One end of the coil of the second auxiliary reclay KA2 connects the phase line L of AC power, and the other end of the coil of the second auxiliary reclay KA2 connects the zero line N of AC power;
One end of stop button SB1 connects the phase line L of AC power, and the other end of stop button SB1 is connected the zero line N of AC power with the coil of contactor KM by the start button SB2 being connected in series;
The second normally opened contact and start button SB2 that time delay disconnects relay K T1 are connected in parallel;
The second normally opened contact that second of contactor KM often leaves auxiliary contact and time delay disconnection relay K T1 is connected in parallel.
Control circuit action detailed process is as follows:
It is Preset Time that the delay time that time delay disconnects relay K T1 is set, in the present embodiment take 2s as example.
When pressure filter has the normal operation of electricity, the start button SB2 of electronic circuit 02 is controlled in operation, the coil of contactor KM obtains electric adhesive, and first of the contactor KM of memory in electronic circuit 01 often drives auxiliary contact and control second of contactor KM in electronic circuit 02 and often drive auxiliary contact and transfer closure to by disconnection.Second of contactor KM in control electronic circuit 02 maintains contactor KM continuation closure after often opening auxiliary contact closure.First of contactor KM in memory electronic circuit 01 often opens after auxiliary contact closure, the coil that time delay disconnects relay K T1 obtains electric adhesive, and the first normally opened contact that the time delay in memory electronic circuit 01 disconnects relay K T1 transfers closure with the second normally opened contact that the time delay in control electronic circuit 02 disconnects relay K T1 to by disconnection.Control the continuation closure that time delay in electronic circuit 02 maintains contactor KM together with disconnecting that the second normally opened contact of relay K T1 is closed and often opening auxiliary contact closure with second of contactor KM.The time delay of memory electronic circuit 01 disconnects the first normally opened contact closure of relay K T1, makes to connect on the lower end of normally closed contact of the second auxiliary reclay KA2 and the upper terminal circuit of the coil of the first auxiliary reclay KA1.Because it is charged to control the power supply of electronic circuit 02, the coil of controlling the second auxiliary reclay KA2 in electronic circuit 02 obtains electric, in memory electronic circuit 01, the normally closed contact of the second auxiliary reclay KA2 disconnects and makes the upper end of coil of the first auxiliary reclay KA1 not charged, and the normally opened contact of the first auxiliary reclay KA1 keeps often opening.
Before power failure, if contactor KM closure, after power failure, the coil losing electricity of contactor KM discharges, first of the contactor KM of memory in electronic circuit 01 often drives auxiliary contact and controls second of contactor KM in electronic circuit 02 and often drive auxiliary contact and all disconnect, time delay in memory electronic circuit 01 disconnects upper end five voltages of the coil of relay K T1, because disconnecting relay K T1, time delay there is delay function, the first normally opened contact of remembering the time delay disconnection relay K T1 in electronic circuit 01 within 2s all keeps adhesive with the second normally opened contact of controlling the time delay disconnection relay K T1 in electronic circuit 02.Because the second auxiliary reclay KA2 is auxiliary reclay, the coil of controlling the second auxiliary reclay KA2 in electronic circuit 02 after having a power failure can discharge, the normally closed contact closure of the second auxiliary reclay KA2 in memory electronic circuit 01, because the normally closed contact of the second auxiliary reclay KA2 in memory electronic circuit 01 recovers closed, in 2s, time delay disconnects the also closure of the first normally opened contact of relay K T1, thereby the coil of the first auxiliary reclay KA1 obtains electric closure.The normally opened contact closure of the first auxiliary reclay KA1 in memory electronic circuit 01, it is closed that the coil upper end that makes time delay disconnect relay K T1 obtains electric continuation.The first normally opened contact that time delay in memory electronic circuit 01 disconnects relay K T1 continues the closed closure that has maintained the first auxiliary reclay KA1, has also just maintained the closure of time delay disconnection relay K T1.Control the second normally opened contact that time delay in electronic circuit 02 disconnects relay K T1 and remain closed, with starting contactor KM after preparing at any time to send a telegram here.The state that memory electronic circuit 01 has been realized before memory contactor KM power failure is closure state.
After incoming call, contactor KM can start automatically because of the closure of the second normally opened contact of the time delay disconnection relay K T1 in control electronic circuit 02 again.
Before power failure, if more than contactor KM disconnection 2s.After power failure, first of the contactor KM of memory in electronic circuit 01 often drives auxiliary contact and controls second of contactor KM in electronic circuit 02 and often drive auxiliary contact and disconnect, in memory electronic circuit 01, time delay disconnects coil upper end five voltages of relay K T1, because disconnecting relay K T1, time delay there is delay function, after 2s, the second normally opened contact of controlling the time delay disconnection relay K T1 in electronic circuit 02 remains open.Because the second auxiliary reclay KA2 is auxiliary reclay, the coil of controlling the second auxiliary reclay KA2 in electronic circuit 02 after having a power failure can discharge, the normally closed contact closure of the second auxiliary reclay KA2 in memory electronic circuit 01.Time delay disconnects the first normally opened contact of relay K T1 for disconnecting, and the upper end of the coil of the first auxiliary reclay KA1 is not charged, and the coil of the first auxiliary reclay KA1 remains open.In memory electronic circuit 01, the normally opened contact of the first auxiliary reclay KA1 remains open, and the coil that makes time delay disconnect relay K T1 remains open.The first normally opened contact that time delay in memory electronic circuit 01 disconnects relay K T1 remains open with the second normally opened contact of controlling the time delay disconnection relay K T1 in electronic circuit 02.Memory electronic circuit 01 is off-state before having realized memory contactor KM power failure.
After incoming call, contactor KM can disconnect and can automatically not start because of the second normally opened contact of controlling the time delay disconnection relay K T1 in electronic circuit 02, and needs people's operation start button SB2 to start again.
In summary it can be seen, in memory electronic circuit, 01 time delay disconnects relay K T1 owing to having the characteristic of time delay disconnection, therefore, can make to remember electronic circuit 01 and remember the state before contactor KM has a power failure after power failure.If before power failure, the auxiliary contact of often opening of contactor KM are closure state, after again sending a telegram here, contactor KM meeting startup automatically because of the closure of the second normally opened contact of time delay disconnection relay K T1 in control electronic circuit 02; If before having a power failure, the auxiliary contact of often opening of contactor KM are off-state, after again sending a telegram here, contactor KM can or not start automatically because controlling the disconnection of the second normally opened contact of time delay disconnection relay K T1 in electronic circuit 02, now needs operation start button SB2 again just can start.Therefore; the control circuit that the utility model provides can be realized the record of the state before pressure filter is had a power failure; if pressure filter is stopped status before having a power failure; again after incoming call, do not open; if pressure filter is open state before having a power failure; again after incoming call, continue to open, thereby after effectively having avoided having a power failure once more when the situation of incoming call, because steam piano continues to inject the situation that pressure filter mud causes the filter core damage of pressure filter.
For further optimizing above-described embodiment, can also comprise: electrothermal relay FR;
One end of electrothermal relay FR connects the coil of contactor KM, and the other end of electrothermal relay FR connects the zero line N of AC power.
It will be appreciated by persons skilled in the art that electrothermal relay FR can for prevent contactor KM with motor or other consumers overloads and damage.
It should be noted is that, the model of the first auxiliary reclay KA1 and the second auxiliary reclay KA2 can be identical.
Wherein, the first auxiliary reclay KA1 and the second auxiliary reclay KA2 can be all NY series auxiliary reclay or MY series auxiliary reclay.
Certainly, the model of the first auxiliary reclay KA1 and the second auxiliary reclay KA2 also can be different, and the utility model does not limit at this.
Contactor KM in above-described embodiment is A.C. contactor, and this A.C. contactor can be CJ Series AC Contactor or B Series AC Contactor.
It should be noted is that, the power supply of controlling electronic circuit 02 is 220V.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple modification of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a control circuit, is characterized in that, comprising: memory electronic circuit and control electronic circuit;
Described memory electronic circuit comprises: first of electric battery, contactor often opened the normally opened contact of the coil of auxiliary contact, the first auxiliary reclay, described the first auxiliary reclay, normally closed contact, the first normally opened contact of time delay disconnection relay and the coil of described time delay disconnection relay of the second auxiliary reclay;
One end of the normally closed contact of described the second auxiliary reclay connects the positive pole of described electric battery, the other end of the normally closed contact of described the second auxiliary reclay connects one end of the coil of described the first auxiliary reclay by the first normally opened contact of described time delay disconnection relay, the other end of the coil of described the first auxiliary reclay connects the negative pole of described electric battery;
First of described contactor is often opened the positive pole that the first common port that auxiliary contact are connected in parallel with the normally opened contact of described the first auxiliary reclay is connected described electric battery, and the coil that the second common port disconnects relay by described time delay connects the negative pole of described electric battery;
Described control electronic circuit comprises: second of the coil of the coil of stop button, start button, described the second auxiliary reclay, the second normally opened contact of described time delay disconnection relay, described contactor and described contactor often driven auxiliary contact;
One end of the coil of described the second auxiliary reclay connects the phase line of AC power, and the other end of the coil of described the second auxiliary reclay connects the zero line of described AC power;
One end of described stop button connects the phase line of described AC power, and the other end of described stop button is connected the zero line of described AC power by the coil of the described start button that is connected in series and described contactor;
The second normally opened contact and described start button that described time delay disconnects relay are connected in parallel;
The second normally opened contact that second of described contactor is often driven auxiliary contact and described time delay disconnection relay is connected in parallel.
2. control circuit according to claim 1, is characterized in that, also comprises: electrothermal relay;
One end of described electrothermal relay connects the coil of described contactor, and the other end of described electrothermal relay connects the zero line of described AC power.
3. control circuit according to claim 1, is characterized in that, the model of described the first auxiliary reclay is identical with the model of described the second auxiliary reclay.
4. control circuit according to claim 1, is characterized in that, described the first auxiliary reclay and described the second auxiliary reclay are NY series auxiliary reclay.
5. control circuit according to claim 1, is characterized in that, described the first auxiliary reclay and described the second auxiliary reclay are MY series auxiliary reclay.
6. control circuit according to claim 1, is characterized in that, the model of described the first auxiliary reclay is different with the model of described the second auxiliary reclay.
7. control circuit according to claim 1, is characterized in that, described contactor is A.C. contactor.
8. control circuit according to claim 7, is characterized in that, described A.C. contactor is CJ Series AC Contactor.
9. control circuit according to claim 7, is characterized in that, described A.C. contactor is B Series AC Contactor.
10. control circuit according to claim 1, is characterized in that, the power supply of described control electronic circuit is 220V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320848878.1U CN203705851U (en) | 2013-12-20 | 2013-12-20 | Control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320848878.1U CN203705851U (en) | 2013-12-20 | 2013-12-20 | Control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203705851U true CN203705851U (en) | 2014-07-09 |
Family
ID=51056258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320848878.1U Expired - Fee Related CN203705851U (en) | 2013-12-20 | 2013-12-20 | Control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203705851U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226627A (en) * | 2015-08-21 | 2016-01-06 | 苏州宝化炭黑有限公司 | A kind of anti-incoming call self-starting duplicate protection console switch |
| CN105676691A (en) * | 2016-01-12 | 2016-06-15 | 浙江大学 | Multi-subarea greenhouse corridor skylight control circuit |
| CN107533043A (en) * | 2015-04-10 | 2018-01-02 | 株式会社岛津制作所 | Water analysis outfit |
-
2013
- 2013-12-20 CN CN201320848878.1U patent/CN203705851U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107533043A (en) * | 2015-04-10 | 2018-01-02 | 株式会社岛津制作所 | Water analysis outfit |
| CN105226627A (en) * | 2015-08-21 | 2016-01-06 | 苏州宝化炭黑有限公司 | A kind of anti-incoming call self-starting duplicate protection console switch |
| CN105226627B (en) * | 2015-08-21 | 2018-02-02 | 苏州宝化炭黑有限公司 | A kind of anti-incoming call self-starting duplicate protection Operation switch |
| CN105676691A (en) * | 2016-01-12 | 2016-06-15 | 浙江大学 | Multi-subarea greenhouse corridor skylight control circuit |
| CN105676691B (en) * | 2016-01-12 | 2018-06-19 | 浙江大学 | The control circuit of multi partition greenhouse vestibule skylight |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20211220 |