CN204178164U - Cold control circuit is made in a kind of industry - Google Patents
Cold control circuit is made in a kind of industry Download PDFInfo
- Publication number
- CN204178164U CN204178164U CN201420585336.4U CN201420585336U CN204178164U CN 204178164 U CN204178164 U CN 204178164U CN 201420585336 U CN201420585336 U CN 201420585336U CN 204178164 U CN204178164 U CN 204178164U
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- CN
- China
- Prior art keywords
- contactor
- phase alternating
- time relay
- current supply
- compressor
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Abstract
The utility model discloses a kind of industry and make cold control circuit, include three-phase alternating-current supply, compressor, blower fan, water pump, compressor contactor, blower fan contactor, water pump contactor, solenoid valve, solenoid relay valve, single-point temperature controller, auxiliary reclay, very first time relay, second time relay and three-phase alternating current monitor, mainly through the mutual control realization between auxiliary reclay and first, second time relay in circuit structure, after circuit working, then do not quit work when the detection of single-point temperature controller does not reach temperature.The utility model utilizes closed, the opening contact of relay to carry out cross-over control, realizes the function of playing cold control, significantly reduce cost with the cooperation of hardware element; In addition, substitute software program of the prior art owing to utilizing hardware element and control, its control circuit reliability strong, effectively ensure that the stability of work.The utility model makes cold control circuit as a kind of industry can be widely used in industrial control field.
Description
Technical field
The utility model relates to industrial control field, and cold control circuit is made in especially a kind of industry.
Background technology
Industry is beaten cold and is mainly used in carrying out drying clothes dozen cold, because its demand fulfillment beats a cold function, so its controlling functions is also very simple, if employing program goes to control, although the demand of playing cold control can be met, following problem can be there is: first, go to control by program, must develop a set of new program to go to control, its construction cycle is long, and cost is high; Secondly, can there is bug in programmed control, easily causes beating cold and break down in the course of the work, thus the stability that impact controls.
Utility model content
In order to solve the problems of the technologies described above, the purpose of this utility model is: provide a kind of industry of pure circuit realiration logic control to make cold control circuit.
The technical scheme that the utility model adopts is: cold control circuit is made in a kind of industry, includes three-phase alternating-current supply, includes compressor, blower fan, water pump, compressor contactor, blower fan contactor, water pump contactor, solenoid valve, solenoid relay valve, single-point temperature controller, auxiliary reclay, very first time relay, second time relay and three-phase alternating current monitor, described compressor is connected to three-phase alternating-current supply by the closing contact of compressor contactor, described single-point temperature controller is connected to three-phase alternating-current supply by auxiliary reclay, described blower fan is connected to three-phase alternating-current supply by the closing contact of blower fan contactor, described water pump is connected to three-phase alternating-current supply by the closing contact of water pump contactor, described solenoid valve is connected to three-phase alternating-current supply by the closing contact of solenoid relay valve, described blower fan contactor, water pump contactor, solenoid relay valve, be connected to three-phase alternating-current supply by the opening contact of second time relay after very first time relay series connection, described second time relay is connected to three-phase alternating-current supply by the closing contact of auxiliary reclay, the opening contact of described auxiliary reclay, compressor contactor, the closing contact of very first time relay, three-phase alternating-current supply is connected to after the series connection of three-phase alternating current monitor.
Further, high voltage protective switch is also in series with between the closing contact of described very first time relay and compressor contactor.
Further, also low-voltage protective switch is in series with between the closing contact of described very first time relay and compressor contactor.
Further, control closing contact is closed afterwards obtaining electric latter 5 seconds for described very first time relay.
Further, described second time relay must control opening contact disconnection in electric latter 10 seconds afterwards.
The beneficial effects of the utility model are: utilize the closed electric shock of relay and opening contact to carry out cross-over control, and the function realizing playing cold control is gone in the cooperation between realization hardware element, reduces cost largely; In addition, instead of software program of the prior art owing to utilizing hardware element and control, its control circuit reliability strong, effectively ensure that the stability of work.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is specific works schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
With reference to Fig. 1, cold control circuit is made in a kind of industry, includes three-phase alternating-current supply, includes compressor, blower fan, water pump, compressor contactor, blower fan contactor, water pump contactor, solenoid valve, solenoid relay valve, single-point temperature controller, auxiliary reclay, very first time relay, second time relay and three-phase alternating current monitor, described compressor is connected to three-phase alternating-current supply by the closing contact KM1 of compressor contactor, described single-point temperature controller is connected to three-phase alternating-current supply by auxiliary reclay, described blower fan is connected to three-phase alternating-current supply by the closing contact KM2 of blower fan contactor, described water pump is connected to three-phase alternating-current supply by the closing contact KM3 of water pump contactor, described solenoid valve is connected to three-phase alternating-current supply by the closing contact K1 of solenoid relay valve, described blower fan contactor, water pump contactor, solenoid relay valve, be connected to three-phase alternating-current supply by the opening contact KT2 of second time relay after very first time relay series connection, described second time relay is by the closing contact IR of auxiliary reclay
2be connected to three-phase alternating-current supply, the opening contact IR of described auxiliary reclay
1, compressor contactor, very first time relay closing contact KT1, three-phase alternating current monitor series connection after be connected to three-phase alternating-current supply.
Be further used as preferred embodiment, between the closing contact KT1 of described very first time relay and compressor contactor, be also in series with high voltage protective switch.
Be further used as preferred embodiment, between the closing contact KT1 of described very first time relay and compressor contactor, be also in series with low-voltage protective switch.
Be further used as preferred embodiment, control closing contact is closed afterwards obtaining electric latter 5 seconds for described very first time relay.
Be further used as preferred embodiment, described second time relay must control opening contact disconnection in electric latter 10 seconds afterwards.
Composition graphs 2 specific works schematic diagram, illustrates workflow of the present utility model:
1), when just starting shooting, intermediate relay I R must not electricity, and now the coil of time relay KT1, blower fan contactor KM2, water pump contactor KM3, solenoid relay valve K1 obtains electric,
2), the closing of contact of blower fan contactor KM2, water pump contactor KM3, solenoid relay valve K1, blower fan FM, water pump P UMP and solenoid valve R4 are opened;
3), the contact of time relay KT1 is closed after 5S, and now compressor contactor KM1 coil obtains electric, then compressor COMP opens by the compressor contactor KM1 closing of contact;
4), compressor COMP open after, unit start heat up, now, environment temperature-sensitive head AT2 detected temperatures also sends to single-point temperature controller ETS, and when temperature reaches target temperature, intermediate relay I R obtains electric, then compressor COMP closes;
5), the coil of time relay KT2 obtains electric, and the contact of time relay KT2 disconnects after 10S, blower fan FM, water pump P UMP and solenoid valve R4 is closed.
6), when high voltage protective switch HP and low-voltage protective switch LP disconnects, high voltage protective and the low-voltage variation of unit is realized.
More than that better enforcement of the present utility model is illustrated, but the utility model is created and is not limited to described embodiment, those of ordinary skill in the art can also make all equivalents or replacement under the prerequisite without prejudice to the utility model spirit, and these equivalent distortion or replacement are all included in the application's claim limited range.
Claims (5)
1. a cold control circuit is made in industry, includes three-phase alternating-current supply, it is characterized in that: include compressor, blower fan, water pump, compressor contactor, blower fan contactor, water pump contactor, solenoid valve, solenoid relay valve, single-point temperature controller, auxiliary reclay, very first time relay, second time relay and three-phase alternating current monitor, described compressor is connected to three-phase alternating-current supply by the closing contact of compressor contactor, described single-point temperature controller is connected to three-phase alternating-current supply by auxiliary reclay, described blower fan is connected to three-phase alternating-current supply by the closing contact of blower fan contactor, described water pump is connected to three-phase alternating-current supply by the closing contact of water pump contactor, described solenoid valve is connected to three-phase alternating-current supply by the closing contact of solenoid relay valve, described blower fan contactor, water pump contactor, solenoid relay valve, be connected to three-phase alternating-current supply by the opening contact of second time relay after very first time relay series connection, described second time relay is connected to three-phase alternating-current supply by the closing contact of auxiliary reclay, the opening contact of described auxiliary reclay, compressor contactor, the closing contact of very first time relay, three-phase alternating-current supply is connected to after the series connection of three-phase alternating current monitor.
2. cold control circuit is made in a kind of industry according to claim 1, it is characterized in that: be also in series with high voltage protective switch between the closing contact of described very first time relay and compressor contactor.
3. cold control circuit is made in a kind of industry according to claim 1, it is characterized in that: be also in series with low-voltage protective switch between the closing contact of described very first time relay and compressor contactor.
4. cold control circuit is made in a kind of industry according to claim 1, it is characterized in that: control closing contact is closed afterwards obtaining electric latter 5 seconds for described very first time relay.
5. cold control circuit is made in a kind of industry according to claim 1, it is characterized in that: described second time relay electric latter 10 seconds control opening contact disconnection afterwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420585336.4U CN204178164U (en) | 2014-10-10 | 2014-10-10 | Cold control circuit is made in a kind of industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420585336.4U CN204178164U (en) | 2014-10-10 | 2014-10-10 | Cold control circuit is made in a kind of industry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204178164U true CN204178164U (en) | 2015-02-25 |
Family
ID=52566961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420585336.4U Expired - Fee Related CN204178164U (en) | 2014-10-10 | 2014-10-10 | Cold control circuit is made in a kind of industry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204178164U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104391452A (en) * | 2014-10-10 | 2015-03-04 | 广东芬尼克兹节能设备有限公司 | Industrial refrigerator control circuit |
-
2014
- 2014-10-10 CN CN201420585336.4U patent/CN204178164U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104391452A (en) * | 2014-10-10 | 2015-03-04 | 广东芬尼克兹节能设备有限公司 | Industrial refrigerator control circuit |
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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 |
Granted publication date: 20150225 Termination date: 20171010 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |