CN206436664U - The controller of water chiller - Google Patents
The controller of water chiller Download PDFInfo
- Publication number
- CN206436664U CN206436664U CN201621422547.1U CN201621422547U CN206436664U CN 206436664 U CN206436664 U CN 206436664U CN 201621422547 U CN201621422547 U CN 201621422547U CN 206436664 U CN206436664 U CN 206436664U
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- CN
- China
- Prior art keywords
- contactor
- controller
- water chiller
- intelligent temperature
- temperature controller
- Prior art date
- 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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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model discloses a kind of controller of water chiller, including intelligent temperature controller, time relay KT1, first A.C. contactor KM1, second A.C. contactor KM2, 3rd A.C. contactor KM3 and pressure switch PS, intelligent temperature controller, time relay KT1, first A.C. contactor KM1, second A.C. contactor KM2 and the 3rd A.C. contactor KM3 are connected in parallel on power supply, intelligent temperature controller is used for the coolant water temperature for setting water chiller, first A.C. contactor KM1 is used to electrically connect with compressor M1 feeder ear, second A.C. contactor KM2 is used to electrically connect with radiator fan M2 feeder ear, 3rd A.C. contactor KM3 is used to electrically connect with water pump M3 feeder ear, time relay KT1 is used to close normally open contact after the delay time of setting, pressure switch PS is used to protect the high-pressure of the cooling cycle system of water chiller.The utility model can carry out on-delay, automatic start-stop, over-voltage over-current protection and intelligent temperature control to water chiller.
Description
Technical field
The utility model belongs to controller, and in particular to a kind of water chiller controller.
Background technology
Because the high frequency lasers generator in laser stamp can operationally generate heat, therefore every laser stamp is all matched somebody with somebody
Water chiller is had, to ensure the normal work of high frequency lasers generator therein.The mode of operation of water chiller is cooling water
Heat exchange is carried out with coolant media, needs radiator fan to carry out cooling processing to cooling water after heat exchange is complete.Water chiller it is whole
Individual mode of operation is main by water chiller control panel（Single-chip microcomputer）To control, when water chiller control panel is damaged, due to water
Cooler control panel is that integrated design plastic packaging is formed, therefore can not carry out repair process, and in the market is also bought less than same
The water chiller control panel of model, so as to need to buy new water chiller again.
The content of the invention
The purpose of this utility model is that there is provided a kind of water chiller controller, the control in order to overcome the deficiencies in the prior art
Device processed will can carry out on-delay, automatic start-stop, over-voltage over-current protection and intelligent temperature control to water chiller.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of controller of water chiller, it is characterised in that：Including intelligent temperature controller, time relay KT1, the first exchange
Contactor KM1, the second A.C. contactor KM2, the 3rd A.C. contactor KM3 and pressure switch PS, the intelligent temperature controller, time
Relay KT1, the first A.C. contactor KM1, the second A.C. contactor KM2 and the 3rd A.C. contactor KM3 are connected in parallel on power supply,
The main contact leading-out terminal of the first A.C. contactor KM1 is used to electrically connect with compressor M1 feeder ear, second exchange
Contactor KM2 main contact leading-out terminal is used to electrically connect with radiator fan M2 feeder ear, the 3rd A.C. contactor KM3's
Main contact leading-out terminal is used to electrically connect with water pump M3 feeder ear, and the intelligent temperature controller is used for the cooling water for setting water chiller
Temperature, the time relay KT1 is used to close normally open contact after the delay time of setting, and one end of the pressure switch PS connects
It is connected on the first A.C. contactor KM1 and the second A.C. contactor KM2, the pressure switch PS other end is connected to intelligent temperature controller
Output end, the pressure switch PS is used to protect the high-pressure of the cooling cycle system of water chiller.
The main contact end of incoming cables of the first A.C. contactor KM1, the second A.C. contactor KM2 main contact end of incoming cables and
3rd A.C. contactor KM3 main contact end of incoming cables is connected in parallel on power supply, the main contact outlet of the first A.C. contactor KM1
Hold and electrically connected for the feeder ear with compressor M1, the main contact leading-out terminal of the second A.C. contactor KM2 is used for and radiating
Fan M2 feeder ear electrical connection, the main contact leading-out terminal of the 3rd A.C. contactor KM3 is used for the feeder ear with water pump M3
Electrical connection, the end of loop A 2 of the first A.C. contactor KM1, the second A.C. contactor KM2 end of loop A 2, the 3rd exchange connect
It is described after 2 pin at the tentaculum KM3 end of loop A 2,2 pin of intelligent temperature controller and time relay KT1 are in parallel on access power supply N-terminal
The A.C. contactor KM3 end of loop A 1, time relay KT1 7 pin are followed by power supply L ends with 1 pin parallel connection of intelligent temperature controller
On, the first A.C. contactor KM1 end of loop A 1 and the second A.C. contactor KM2 the end parallel connection of loop A 1 are followed by pressure switch
PS one end, the pressure switch PS other end accesses 4 pin of intelligent temperature controller, 3 pin and the time relay KT1 of intelligent temperature controller
The connection of the pin of timing closing contact 6, the time relay KT1 pin of timing closing contact 8 is connected on power supply L ends.
The main contact leading-out terminal of the first A.C. contactor KM1 is connected with the first electrothermal relay FR1, first heat after
Electrical equipment FR1 is used to protect the compressor of water chiller according to the current value of setting, the second A.C. contactor KM2's
Main contact leading-out terminal, which is connected with the second electrothermal relay FR2, the second electrothermal relay FR2, is used for the current value according to setting to water
The radiator fan of cooler rises and protected.
The main contact leading-out terminal of the 3rd A.C. contactor KM3 is connected with first fuse FU1 and second fuse
FU2, the first fuse FU1 and second fuse FU2 are used to carry out overcurrent protection to the water pump M3 of water chiller.
Also include the 3rd fuse FU3, the 3rd fuse FU3 is connected on power supply, the 3rd fuse FU3 is used
In to whole controller circuitry progress overcurrent protection.
Temperature sensor is installed, the temperature sensor is connected to the detection of intelligent temperature controller on the intelligent temperature controller
End.
The beneficial effects of the utility model：The utility model is connect by intelligent temperature controller, time relay KT1, the first exchange
Tentaculum KM1, the second A.C. contactor KM2, the 3rd A.C. contactor KM3 and pressure switch PS are constituted, when intelligent temperature controller, time
Relay KT1, the 3rd A.C. contactor KM3 obtain it is electric after, the 3rd A.C. contactor KM3 closure, transport the water pump M3 of water chiller
Turn, cooling water is started the cycle over, and hydraulic pressure is set up in cooling water pipeline, when cooling water pipeline reclaimed water positive pressure often, the time relay
KT1 timing closing contact timing closings, if intelligent temperature controller detects the water temperature of cooling water on design temperature, the first exchange
Contactor KM1, the second A.C. contactor KM2 obtain electric, the first A.C. contactor KM1, the second A.C. contactor KM2 closure, make water
Compressor and the radiator fan work of cooler, water chiller enters refrigeration work state, until water temperature is reduced to design temperature,
Compressor and radiator fan are stopped, and water chiller enters stand-by operation state；The pressure switch PS detects high pressure pressure
Pressure switch PS can disconnect automatically when power exceedes setting value, so as to stop compressor operating.
Brief description of the drawings
Fig. 1 is control loop circuit diagram of the present utility model；
Fig. 2 is main loop circuit figure of the present utility model；
Fig. 3 is the hydraulic pressure switch circuit relationships figure set on cooling water pipeline.
Embodiment
The present invention is described in further detail with specific implementation below in conjunction with the accompanying drawings；
Referring to shown in Fig. 1 and Fig. 2, a kind of controller of water chiller, including intelligent temperature controller, time relay KT1,
One A.C. contactor KM1, the second A.C. contactor KM2, the 3rd A.C. contactor KM3, pressure switch PS, first fuse FU1,
Second fuse FU2, the 3rd fuse FU3, the first electrothermal relay FR1 and the second electrothermal relay FR2, the intelligent temperature controller,
Time relay KT1, the first A.C. contactor KM1, the second A.C. contactor KM2 and the 3rd A.C. contactor KM3 are connected in parallel on electricity
On source, the power supply uses the 22OV AC powers provided by laser stamp.The main contact of the first A.C. contactor KM1
Leading-out terminal is used to electrically connect with compressor M1 feeder ear, control compressor M1 work；The second A.C. contactor KM2's
Main contact leading-out terminal is used to electrically connect with radiator fan M2 feeder ear, control radiator fan M2 work；3rd exchange
Contactor KM3 main contact leading-out terminal is used to electrically connect with water pump M3 feeder ear, control water pump M3 work；The intelligent temperature
Control instrument is used for the coolant water temperature for setting water chiller, so as to control coolant water temperature, the time relay KT1 is used in setting
Normally open contact is closed after delay time, one end of the pressure switch PS is connected to the exchanges of the first A.C. contactor KM1 and second
On contactor KM2, the pressure switch PS other end is connected to the output end of intelligent temperature controller, and the pressure switch PS is used for water
The high-pressure of the cooling cycle system of cooler is protected.
The main contact leading-out terminal of the first A.C. contactor KM1 is connected with the first electrothermal relay FR1, first heat after
Electrical equipment FR1 is located between the first A.C. contactor KM1 and compressor M1, and the first electrothermal relay FR1 is used for according to setting
Current value is protected to the compressor M1 of water chiller.The main contact leading-out terminal of the second A.C. contactor KM2 is connected with
Second electrothermal relay FR2, the second electrothermal relay FR2 is located between the second A.C. contactor KM2 and radiator fan M2, described
Second electrothermal relay FR2, which is used to play the radiator fan M2 of water chiller according to the current value of setting, to be protected.Described 3rd
A.C. contactor KM3 main contact leading-out terminal is connected with first fuse FU1 and second fuse FU2, the first fuse
FU1 and second fuse FU2 is located between the 3rd A.C. contactor KM3 and water pump M3, and the first fuse FU1 and second melts
Disconnected device FU2 is used to carry out overcurrent protection to the water pump M3 of water chiller.
The 3rd fuse FU3 is connected on power supply, and the 3rd fuse FU3 is used to carry out whole controller
Current protection.
Temperature sensor is installed, the temperature sensor is connected to the detection of intelligent temperature controller on the intelligent temperature controller
End.The temperature sensor is wrapped up after being brought into close contact with water inlet pipe with insulating tube, and completion is tied up with Plastic Bandage.
Physical circuit connection of the present utility model is as follows：
Loading water cooling Electrical Control after clamp rail, wire casing and each electrical equipment is installed on sizeable bakelite plate first
In case, according to the perforate of intelligent temperature controller installation dimension and temperature controller is fixedly mounted on electric cabinet panel.Then according to Fig. 1
Component lines connection is carried out with the circuit diagram that Fig. 2 is designed, the main contact end of incoming cables of the first A.C. contactor KM1, second are handed over
Laser inscription is accessed after stream contactor KM2 main contact end of incoming cables and the 3rd A.C. contactor KM3 main contact end of incoming cables are in parallel
In the 22OV AC powers that machine is provided, the main contact leading-out terminal of the first A.C. contactor KM1 and the first electrothermal relay FR1 electricity
Connection, the first electrothermal relay FR1 corresponding end is used to electrically connect with compressor M1 feeder ear, second A.C. contactor
KM2 main contact leading-out terminal is electrically connected with the second electrothermal relay FR2, and the second electrothermal relay FR2 corresponding end is used for and radiation air
Fan M2 feeder ear electrical connection, the main contact leading-out terminal of the 3rd A.C. contactor KM3 connect respectively first fuse FU1 and
Second fuse FU2, first fuse FU1 and second fuse FU2 are used to electrically connect with water pump M3 feeder ear, constitute this reality
With the major loop of new controller, Fig. 2 is seen.The end of loop A 2 of the first A.C. contactor KM1, the second A.C. contactor KM2
The end of loop A 2, the 3rd A.C. contactor KM3 end of loop A 2,2 pin of intelligent temperature controller and time relay KT1 2 pin simultaneously
Accessed after connection on the power supply N-terminal provided by laser stamp, the 3rd fuse FU3 is connected on what is provided by laser stamp
On power supply L ends, the end of loop A 1 of the 3rd A.C. contactor KM3, time relay KT1 7 pin with intelligent temperature controller 1 pin
Parallel connection is followed by the leading-out terminal in the 3rd fuse FU3, the first A.C. contactor KM1 end of loop A 1 and the second A.C. contactor
The KM2 end parallel connection of loop A 1 is followed by pressure switch PS one end, and the 4 of pressure switch PS other end access intelligent temperature controller
Pin, 3 pin of intelligent temperature controller are connected with the time relay KT1 pin of timing closing contact 6, and time relay KT1 delay is closed
Close and electrically connected on the leading-out terminal that the pin of contact 8 is connected to the 3rd fuse FU3,10,11 pin of intelligent temperature controller with temperature sensor,
The control loop of the utility model controller is constituted, Fig. 1 is seen.
It is shown in Figure 3, hydraulic pressure switch P, the hydraulic pressure switch P and laser incising are installed on the cooling water pipeline of cooler
Whether the PLC connections of word machine, the pressure that the hydraulic pressure switch P is used to detect in cooling water pipeline exceedes setting value, to laser incising
The PLC of word machine sends signal.
Operation principle of the present utility model is as follows：
When laser stamp switches on power, laser stamp is first directly powered to water chiller, such as the control of Fig. 1 controllers
Intelligent temperature controller, time relay KT1, the 3rd A.C. contactor KM3 obtain electric, the 3rd A.C. contactor KM3 simultaneously in circuit processed
Closure, water pump M3 operatings, cooling water is started the cycle over, and hydraulic pressure is set up in cooling water pipeline.Such as Fig. 3 is closed as hydraulic pressure switch P,
Hydraulic pressure normal signal is sent out to laser stamp, laser stamp continues to power to water chiller.Conversely, not built for some reason in pipeline
Hydraulic pressure is erected, such as Fig. 3 is constantly in off-state as hydraulic pressure switch P, and laser stamp stops powering to water chiller, while
It can stop powering to high frequency lasers generator, and stopping alarm.In the case of hydraulic pressure is normal, the time relay KT1 prolongs
When close contact timing closing, while intelligent temperature controller detects water temperature on design temperature, intelligent temperature controller output start
Signal, the first A.C. contactor KM1, the second A.C. contactor KM2 obtain electric, the first A.C. contactor KM1, the second A.C. contactor
KM2 is closed, and compressor M1 and radiator fan M2 operatings, water chiller enter refrigeration work state.When water temperature is reduced to setting temperature
Degree, intelligent temperature controller output off signal, controller control compressor M1 and radiator fan M2 shuts down, and water chiller enters
Stand-by operation state.First fuse FU1 and second fuse FU2 is protected to water pump 3M overcurrent in the controller.
The 3rd fuse FU3 carries out overcurrent protection to control loop.The pressure switch PS can be to the height of cooling cycle system
Pressure pressure is protected, and when high-pressure is exceeded, pressure switch PS can disconnect automatically, so as to stop compressor operating, it is to avoid thing
Therefore occur.The first electrothermal relay FR1 can play protection, second electrothermal relay according to the current value of setting to compressor M1
FR2 can play protection according to the current value of setting to radiator fan M2.
Claims (6)
1. a kind of controller of water chiller, it is characterised in that：Connect including intelligent temperature controller, time relay KT1, the first exchange
Tentaculum KM1, the second A.C. contactor KM2, the 3rd A.C. contactor KM3 and pressure switch PS, the intelligent temperature controller, the time after
Electrical equipment KT1, the first A.C. contactor KM1, the second A.C. contactor KM2 and the 3rd A.C. contactor KM3 are connected in parallel on power supply, institute
Stating the first A.C. contactor KM1 main contact leading-out terminal is used to electrically connect with compressor M1 feeder ear, and second exchange connects
Tentaculum KM2 main contact leading-out terminal is used to electrically connect with radiator fan M2 feeder ear, the master of the 3rd A.C. contactor KM3
Contact leading-out terminal is used to electrically connect with water pump M3 feeder ear, and the intelligent temperature controller is used for the cooling water for setting water chiller
Temperature, the time relay KT1 is used to close normally open contact after the delay time of setting, and one end of the pressure switch PS connects
It is connected on the first A.C. contactor KM1 and the second A.C. contactor KM2, the pressure switch PS other end is connected to intelligent temperature controller
Output end, the pressure switch PS is used to protect the high-pressure of the cooling cycle system of water chiller.
2. the controller of water chiller according to claim 1, it is characterised in that：The first A.C. contactor KM1's
The main contact end of incoming cables of main contact end of incoming cables, the second A.C. contactor KM2 main contact end of incoming cables and the 3rd A.C. contactor KM3
It is connected in parallel on power supply, the main contact leading-out terminal of the first A.C. contactor KM1 is used to electrically connect with compressor M1 feeder ear,
The main contact leading-out terminal of the second A.C. contactor KM2 is used to electrically connect with radiator fan M2 feeder ear, and the described 3rd hands over
Stream contactor KM3 main contact leading-out terminal is used to electrically connect with water pump M3 feeder ear, the line of the first A.C. contactor KM1
Enclose A2 ends, the second A.C. contactor KM2 end of loop A 2, the 3rd A.C. contactor KM3 end of loop A 2, the 2 of intelligent temperature controller
After pin and time relay KT1 2 pin are in parallel on access power supply N-terminal, the end of loop A 1 of the A.C. contactor KM3, the time after
Electrical equipment KT1 7 pin are followed by power supply L ends with 1 pin parallel connection of intelligent temperature controller, the first A.C. contactor KM1 end of loop A 1
The end parallel connection of loop A 1 with the second A.C. contactor KM2 is followed by pressure switch PS one end, pressure switch PS another termination
Enter 4 pin of intelligent temperature controller, 3 pin of intelligent temperature controller are connected with the time relay KT1 pin of timing closing contact 6, the time after
The electrical equipment KT1 pin of timing closing contact 8 is connected on power supply L ends.
3. the controller of water chiller according to claim 1 or 2, it is characterised in that：The first A.C. contactor KM1
Main contact leading-out terminal be connected with the first electrothermal relay FR1, the first electrothermal relay FR1 is used for the current value pair according to setting
The compressor of water chiller is protected, and the main contact leading-out terminal of the second A.C. contactor KM2 is connected with the second hot relay
Device FR2, the second electrothermal relay FR2, which is used to play the radiator fan of water chiller according to the current value of setting, to be protected.
4. the controller of water chiller according to claim 1 or 2, it is characterised in that：The 3rd A.C. contactor KM3
Main contact leading-out terminal be connected with first fuse FU1 and second fuse FU2, the first fuse FU1 and second fusing
Device FU2 is used to carry out overcurrent protection to the water pump M3 of water chiller.
5. the controller of water chiller according to claim 1 or 2, it is characterised in that：Also include the 3rd fuse FU3,
The 3rd fuse FU3 is connected on power supply, and the 3rd fuse FU3 is used to carry out overcurrent to whole controller circuitry
Protection.
6. the controller of water chiller according to claim 1 or 2, it is characterised in that：Installed on the intelligent temperature controller
There is temperature sensor, the temperature sensor is connected to the test side of intelligent temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621422547.1U CN206436664U (en) | 2016-12-23 | 2016-12-23 | The controller of water chiller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621422547.1U CN206436664U (en) | 2016-12-23 | 2016-12-23 | The controller of water chiller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206436664U true CN206436664U (en) | 2017-08-25 |
Family
ID=59646842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621422547.1U Expired - Fee Related CN206436664U (en) | 2016-12-23 | 2016-12-23 | The controller of water chiller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206436664U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111076462A (en) * | 2019-12-30 | 2020-04-28 | 綦江齿轮传动有限公司 | Low cost control system for liquid cooling device |
-
2016
- 2016-12-23 CN CN201621422547.1U patent/CN206436664U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111076462A (en) * | 2019-12-30 | 2020-04-28 | 綦江齿轮传动有限公司 | Low cost control system for liquid cooling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170825 Termination date: 20181223 |