CN104391452B - Cold control circuit is beaten in a kind of industry - Google Patents
Cold control circuit is beaten in a kind of industry Download PDFInfo
- Publication number
- CN104391452B CN104391452B CN201410532494.8A CN201410532494A CN104391452B CN 104391452 B CN104391452 B CN 104391452B CN 201410532494 A CN201410532494 A CN 201410532494A CN 104391452 B CN104391452 B CN 104391452B
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- China
- Prior art keywords
- contactor
- time relay
- phase alternating
- current supply
- compressor
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
Cold control circuit is beaten the invention discloses a kind of industry, include three-phase alternating-current supply, compressor, blower fan, water pump, compressor contactor, blower fan contactor, water pump contactor, magnetic valve, solenoid relay valve, single-point temperature controller, auxiliary reclay, very first time relay, second time relay and three-phase alternating current monitor, the main mutual control by between auxiliary reclay and first, second time relay is realized in circuit structure, after circuit work, it is not stopped then when the detection of single-point temperature controller is not up to temperature.The present invention carries out cross-over control using the closure of relay, opening contact, coordinates realization to beat the function of cold control using hardware element, largely reduces cost；Controlled further, since instead of software program of the prior art using hardware element, it controls the highly reliable of circuit, the stability of work has been effectively ensured.The present invention beats cold control circuit as a kind of industry and can be widely applied to industrial control field.
Description
Technical field
The present invention relates to industrial control field, cold control circuit is beaten in especially a kind of industry.
Background technology
Industry beats cold and is mainly used in that drying clothing is carried out beating cold, because it, which only needs to meet, beats cold One function, institute
It is also very simple with its control function, if going to be controlled using program, although the demand for playing cold control can be met, but can be deposited
In problems with：First, gone to be controlled with program, a set of new program must be developed and go to be controlled, its construction cycle
Long, cost is high；Secondly, programme-control can have bug, be easily caused dozen cold and break down in the course of the work, so that
Influence the stability of control.
The content of the invention
In order to solve the above-mentioned technical problem, the purpose of the present invention is：A kind of industry of pure circuit realiration logic control is provided
Beat cold control circuit.
The technical solution adopted in the present invention is：Cold control circuit is beaten in a kind of industry, is included three-phase alternating-current supply, is wrapped
Included compressor, blower fan, water pump, compressor contactor, blower fan contactor, water pump contactor, magnetic valve, solenoid relay valve,
Single-point temperature controller, auxiliary reclay, very first time relay, second time relay and three-phase alternating current monitor, the compression
Machine is by the closure contact portion of compressor contactor to three-phase alternating-current supply, and the single-point temperature controller is connected by auxiliary reclay
Be connected to three-phase alternating-current supply, the blower fan by the closure contact portion of blower fan contactor to three-phase alternating-current supply, the water pump
By the closure contact portion of water pump contactor to three-phase alternating-current supply, the magnetic valve is touched by the closure of solenoid relay valve
Point is connected to three-phase alternating-current supply, the blower fan contactor, water pump contactor, solenoid relay valve, very first time relay string
Three-phase alternating-current supply is connected to by the opening contact of second time relay after connection, second time relay passes through centre
The closure contact portion of relay is to three-phase alternating-current supply, the opening contact of the auxiliary reclay, compressor contactor, first
The closure contact of the time relay, three-phase alternating current monitor are connected to three-phase alternating-current supply after connecting.
Further, also it is in series with high voltage protective between the closure contact of the very first time relay and compressor contactor
Switch.
Further, also it is in series with low-voltage variation between the closure contact of the very first time relay and compressor contactor
Switch.
Further, the very first time relay it is electric after after 5 seconds control closure the closing of contact.
Further, second time relay it is electric after after 10 seconds control opening contact disconnect.
The beneficial effects of the invention are as follows：Got an electric shock using the closure of relay and opening contact carries out cross-over control, realized and use
Cooperation between hardware element goes to realize the function of playing cold control, largely reduces cost；Further, since utilizing hardware
Element instead of software program control of the prior art, and it controls the highly reliable of circuit, and the steady of work has been effectively ensured
It is qualitative.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is concrete operating principle figure of the invention.
Embodiment
The embodiment to the present invention is described further below in conjunction with the accompanying drawings：
A kind of reference picture 1, industry beats cold and controls circuit, includes three-phase alternating-current supply, include compressor, blower fan,
Water pump, compressor contactor, blower fan contactor, water pump contactor, magnetic valve, solenoid relay valve, single-point temperature controller, it is middle after
Electrical equipment, very first time relay, second time relay and three-phase alternating current monitor, the compressor pass through compressor contactor
Closure contact KM1 be connected to three-phase alternating-current supply, the single-point temperature controller is connected to three-phase alternating current by auxiliary reclay
Source, the blower fan is connected to three-phase alternating-current supply by the closure contact KM2 of blower fan contactor, and the water pump is contacted by water pump
The closure contact KM3 of device is connected to three-phase alternating-current supply, the closure contact K1 connections that the magnetic valve passes through solenoid relay valve
To three-phase alternating-current supply, lead to after the blower fan contactor, water pump contactor, solenoid relay valve, the series connection of very first time relay
The opening contact KT2 for crossing second time relay is connected to three-phase alternating-current supply, second time relay by centre after
The closure contact IR of electrical equipment2It is connected to three-phase alternating-current supply, the opening contact IR of the auxiliary reclay1, compressor contactor,
Closure contact KT1, the three-phase alternating current monitor of very first time relay are connected to three-phase alternating-current supply after connecting.
It is further used as preferred embodiment, closure contact KT1 and the compressor contact of the very first time relay
High voltage protective switch is also in series between device.
It is further used as preferred embodiment, closure contact KT1 and the compressor contact of the very first time relay
Low-voltage protective switch is also in series between device.
Be further used as preferred embodiment, the very first time relay it is electric after after 5 seconds control closure contact
Closure.
Be further used as preferred embodiment, second time relay it is electric after control opening contact after 10 seconds
Disconnect.
With reference to Fig. 2 concrete operating principle figures, illustrate the workflow of the present invention：
1）, when just starting shooting, intermediate relay I R must not electricity, now time relay KT1, blower fan contactor KM2, water pump connect
Tentaculum KM3, solenoid relay valve K1 coil obtain electric,
2）, blower fan contactor KM2, water pump contactor KM3, the solenoid relay valve K1 closing of contact, by blower fan FM, water pump
PUMP and magnetic valve R4 is opened；
3）, time relay KT1 contact closed after 5S, now compressor contactor KM1 coils obtain electric, then compressor
The contactor KM1 closings of contact open compressor COMP；
4）, compressor COMP open after, unit is started to warm up, now, and environment temperature-sensitive head AT2 detection temperatures are simultaneously sent to list
Point temperature controller ETS, when temperature reaches target temperature, intermediate relay I R obtains electric, then compressor COMP is closed；
5）, time relay KT2 coil obtain electric, time relay KT2 contact disconnects after 10S, by blower fan FM, water
Pump PUMP and magnetic valve R4 is closed.
6）, disconnect when high voltage protective switchs HP and low-voltage protective switch LP, realize the high voltage protective and low-voltage variation of unit.
Above is the preferable implementation to the present invention is illustrated, but the invention is not limited to the implementation
Example, those skilled in the art can also make a variety of equivalents or replace on the premise of without prejudice to spirit of the invention
Change, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (5)
1. cold control circuit is beaten in a kind of industry, include three-phase alternating-current supply, it is characterised in that：Include compressor, blower fan,
Water pump, compressor contactor, blower fan contactor, water pump contactor, magnetic valve, solenoid relay valve, single-point temperature controller, it is middle after
Electrical equipment, very first time relay, second time relay, environment temperature-sensitive head and three-phase alternating current monitor, the compressor pass through
The closure contact portion of compressor contactor is to three-phase alternating-current supply, and the single-point temperature controller is used to receive the detection of environment temperature-sensitive head
Temperature data, the single-point temperature controller is connected to three-phase alternating-current supply by auxiliary reclay, and the blower fan is connect by blower fan
The closure contact portion of tentaculum is to three-phase alternating-current supply, and the water pump is by the closure contact portion of water pump contactor to three intersecting
Flow power supply, the magnetic valve by the closure contact portion of solenoid relay valve to three-phase alternating-current supply, the blower fan contactor,
Connected after water pump contactor, solenoid relay valve, the series connection of very first time relay by the opening contact of second time relay
To three-phase alternating-current supply, second time relay by the closure contact portion of auxiliary reclay to three-phase alternating-current supply,
Opening contact, compressor contactor, the closure contact of very first time relay, the three-phase alternating current monitor of the auxiliary reclay
Three-phase alternating-current supply is connected to after series connection.
2. cold control circuit is beaten in a kind of industry according to claim 1, it is characterised in that：The very first time relay
Closure contact and compressor contactor between be also in series with high voltage protective switch.
3. cold control circuit is beaten in a kind of industry according to claim 1, it is characterised in that：The very first time relay
Closure contact and compressor contactor between be also in series with low-voltage protective switch.
4. cold control circuit is beaten in a kind of industry according to claim 1, it is characterised in that：The very first time relay
It is electric after after 5 seconds control closure the closing of contact.
5. cold control circuit is beaten in a kind of industry according to claim 1, it is characterised in that：Second time relay
It is electric after after 10 seconds control opening contact disconnect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410532494.8A CN104391452B (en) | 2014-10-10 | 2014-10-10 | Cold control circuit is beaten in a kind of industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410532494.8A CN104391452B (en) | 2014-10-10 | 2014-10-10 | Cold control circuit is beaten in a kind of industry |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104391452A CN104391452A (en) | 2015-03-04 |
| CN104391452B true CN104391452B (en) | 2017-08-15 |
Family
ID=52609370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410532494.8A Active CN104391452B (en) | 2014-10-10 | 2014-10-10 | Cold control circuit is beaten in a kind of industry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104391452B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107470582B (en) * | 2017-09-27 | 2020-01-10 | 广东鸿图南通压铸有限公司 | External cooling device for diversion cone |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2926897Y (en) * | 2006-06-27 | 2007-07-25 | 袁海君 | Automatic thermostatic water cooling system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2092724U (en) * | 1991-03-12 | 1992-01-08 | 赖乙赞 | Time relay type refrigerator |
| JP4039773B2 (en) * | 1998-07-10 | 2008-01-30 | ホシザキ電機株式会社 | Refrigeration equipment |
| CN201285504Y (en) * | 2008-11-12 | 2009-08-05 | 毛振祥 | Circuit apparatus for controlling low voltage closing of refrigerator |
| CN201514086U (en) * | 2009-08-12 | 2010-06-23 | 四川澳尔空调冷冻设备有限公司 | Low-temperature refrigeratory hot water defrosting full-automatic control device |
| CN203571956U (en) * | 2013-10-08 | 2014-04-30 | 广州市艺沣彩印有限公司 | Automatic air conditioner and fan air supply conversion circuit |
| CN204178164U (en) * | 2014-10-10 | 2015-02-25 | 广东芬尼克兹节能设备有限公司 | Cold control circuit is made in a kind of industry |
-
2014
- 2014-10-10 CN CN201410532494.8A patent/CN104391452B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2926897Y (en) * | 2006-06-27 | 2007-07-25 | 袁海君 | Automatic thermostatic water cooling system |
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| CN104391452A (en) | 2015-03-04 |
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