CN204853832U - Controlling means of cooling system - Google Patents
Controlling means of cooling system Download PDFInfo
- Publication number
- CN204853832U CN204853832U CN201520593220.XU CN201520593220U CN204853832U CN 204853832 U CN204853832 U CN 204853832U CN 201520593220 U CN201520593220 U CN 201520593220U CN 204853832 U CN204853832 U CN 204853832U
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- CN
- China
- Prior art keywords
- module
- plc control
- supply system
- control device
- cold supply
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Abstract
The utility model provides a controlling means of cooling system, including man -machine interface, PLC control module, drive module, temperature sensor module and pressure sensor module, man -machine interface connects PLC control module, drive module connects PLC control module, drive module includes converter and water pump, the converter is connected the water pump, PLC control module connects the converter, temperature sensor module and pressure sensor module are connected respectively PLC control module. Beneficial effect: this controlling means sets up reasonable parameter on man -machine interface, PLC control module realizes the accurate fortune of water pump, effective feedback of sensor, great waste is reduced.
Description
Technical field
The utility model relates to the field of cold supply system, particularly relates to a kind of control device of cold supply system.
Background technology
In the operation principle of cold supply system, arm's length standard operating mode, regulates pump capacity (frequency), when water temperature over-high according to chilled water leaving water temperature and return water temperature, the refrigerating capacity that refrigeration plant exports is described, and supply falls short of demand, needs 100% frequency to run; If when return water temperature is on the low side, refrigerating capacity is described, and drug on the market, needs to reduce pump capacity (frequency).Certain leaving water temperature and return water temperature is set in air-conditioner set; Regulate the flow of cooling water pump according to the height of unit leaving water temperature, if leaving water temperature is higher, water pump 100% frequency is run, if leaving water temperature is on the low side, water pump runs at low-frequency region, and temperature is lower, and water pump frequency is lower.The condenser of air-conditioner set needs to ensure that the minimum discharge of end in sub-load (low-frequency operation) (ensures end minimum pressure.The control device control technology of cold supply system of the prior art is accurate not, and reaction speed is fast not, easily causes unnecessary waste.
Utility model content
The utility model provides a kind of control device of cold supply system, and cold supply system is operated under uniform temperature and pressure, and reaction is comparatively rapid, reduces unnecessary waste.
In order to solve the problems of the technologies described above, technical solution adopted in the utility model is:
A control device for cold supply system, comprises human-computer interaction interface, PLC control module, driver module, temperature sensor module and pressure sensor module; Described human-computer interaction interface connects described PLC control module, and described driver module connects described PLC control module; Described driver module comprises frequency converter and water pump, and described frequency converter connects described water pump, and described PLC control module connects described frequency converter; Described temperature sensor module and pressure sensor module are connected described PLC control module respectively.
Further, described PLC control module comprises processing module, analog input/output module, input module and output module, and described processing module connects described analog input/output module, input module and output module respectively; Described input module comprises start unit, stop element; Described output module comprises system start unit, operation indicating member, standby indicating member and stops indicating member.
Preferably, described processing module comprises Siemens SMTARTS7-200CPU1214C chip.
Preferably, described analog input/output module comprises Siemens SM1232 module.
Preferably, described water pump is variable frequency pump.
Preferably, described frequency converter is Siemens V20 frequency converter.
Preferably, also comprise remote communication module, described remote communication module connects described PLC control module.
Preferably, between described PLC control module and described driver module, be provided with outside and suddenly stop control button.
Preferably, described PLC control module and described driver module use PROFINET communication mode to communicate.
The utility model provides a kind of control device of cold supply system, and this control device arranges rational parameter on human-computer interaction interface, and PLC control module realizes the accurate fortune of water pump, and the effective Feedback of sensor, greatly reducing waste.
Accompanying drawing explanation
Fig. 1 is the control device modular structure schematic diagram of a kind of cold supply system of the utility model;
Fig. 2 is the control device PLC control module structural representation of a kind of cold supply system of the utility model;
Fig. 3 is the control device PLC control module circuit diagram of a kind of cold supply system of the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, specifically illustrate embodiment of the present utility model, accompanying drawing is only for reference and use is described, does not form the restriction to the utility model scope of patent protection.
As Figure 1-3, a kind of control device of cold supply system, comprises human-computer interaction interface 102, PLC control module 101, driver module 104, temperature sensor module 105 and pressure sensor module 106; Described human-computer interaction interface 102 connects described PLC control module 101, and described driver module 104 connects described PLC control module 101; Described driver module 104 comprises frequency converter 41 and water pump 42, and described frequency converter 41 connects described water pump 42, and described PLC control module 101 connects described frequency converter 41; Described temperature sensor module 105 and pressure sensor module 106 are connected described PLC control module 101 respectively.Described PLC control module 101 comprises processing module 11, analog input/output module 14, input module 12 and output module 13, and described processing module 11 connects described analog input/output module 14, input module 12 and output module 13 respectively; Described input module 12 comprises start unit 121, stop element 122; Described output module 13 comprises system start unit 131, operation indicating member 132, standby indicating member 133 and stops indicating member 134.In this enforcement, described processing module 11 comprises Siemens SMTARTS7-200CPU1214C chip; Described analog input/output module 14 comprises Siemens SM1232 module.Described water pump 42 is variable frequency pump.Described frequency converter 41 is Siemens V20 frequency converter.Also comprise remote communication module 103, described remote communication module 103 connects described PLC control module 101.Between described PLC control module 101 and described driver module 104, be provided with outside suddenly stop control button.Described PLC control module 101 uses PROFINET communication mode to communicate with described driver module 104.
Above disclosedly be only preferred embodiment of the present utility model, rights protection scope of the present utility model can not be limited with this, therefore according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.
Claims (9)
1. a control device for cold supply system, is characterized in that: comprise human-computer interaction interface, PLC control module, driver module, temperature sensor module and pressure sensor module; Described human-computer interaction interface connects described PLC control module, and described driver module connects described PLC control module; Described driver module comprises frequency converter and water pump, and described frequency converter connects described water pump, and described PLC control module connects described frequency converter; Described temperature sensor module and pressure sensor module are connected described PLC control module respectively.
2. the control device of a kind of cold supply system according to claim 1, it is characterized in that: described PLC control module comprises processing module, analog input/output module, input module and output module, described processing module connects described analog input/output module, input module and output module respectively; Described input module comprises start unit, stop element; Described output module comprises system start unit, operation indicating member, standby indicating member and stops indicating member.
3. the control device of a kind of cold supply system according to claim 2, is characterized in that: described processing module comprises Siemens SMTARTS7-200CPU1214C chip.
4. the control device of a kind of cold supply system according to claim 2, is characterized in that: described analog input/output module comprises Siemens SM1232 module.
5. the control device of a kind of cold supply system according to claim 1, is characterized in that: described water pump is variable frequency pump.
6. the control device of a kind of cold supply system according to claim 1, is characterized in that: described frequency converter is Siemens V20 frequency converter.
7. the control device of a kind of cold supply system according to claim 1, is characterized in that: also comprise remote communication module, and described remote communication module connects described PLC control module.
8. the control device of a kind of cold supply system according to claim 1, is characterized in that: between described PLC control module and described driver module, be provided with outside suddenly stop control button.
9. the control device of a kind of cold supply system according to claim 1, is characterized in that: described PLC control module and described driver module use PROFINET communication mode to communicate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520593220.XU CN204853832U (en) | 2015-08-08 | 2015-08-08 | Controlling means of cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520593220.XU CN204853832U (en) | 2015-08-08 | 2015-08-08 | Controlling means of cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204853832U true CN204853832U (en) | 2015-12-09 |
Family
ID=54744374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520593220.XU Expired - Fee Related CN204853832U (en) | 2015-08-08 | 2015-08-08 | Controlling means of cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204853832U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288598A (en) * | 2016-08-09 | 2017-01-04 | 开封市盛晶仓储服务有限公司 | Freezer refrigerating automatic control system based on distributed photovoltaic power generation and method |
-
2015
- 2015-08-08 CN CN201520593220.XU patent/CN204853832U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288598A (en) * | 2016-08-09 | 2017-01-04 | 开封市盛晶仓储服务有限公司 | Freezer refrigerating automatic control system based on distributed photovoltaic power generation and method |
| CN106288598B (en) * | 2016-08-09 | 2018-12-25 | 开封市盛晶仓储服务有限公司 | Freezer refrigerating automatic control system and method based on distributed photovoltaic power generation |
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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: 20151209 Termination date: 20180808 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |