CN203274133U - Air conditioner control system - Google Patents
Air conditioner control system Download PDFInfo
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- CN203274133U CN203274133U CN 201320228385 CN201320228385U CN203274133U CN 203274133 U CN203274133 U CN 203274133U CN 201320228385 CN201320228385 CN 201320228385 CN 201320228385 U CN201320228385 U CN 201320228385U CN 203274133 U CN203274133 U CN 203274133U
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- air
- control system
- conditioner control
- valve
- humidity
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Abstract
The utility model provides an air conditioner control system which comprises a humidification valve, a steam valve, a cold water valve, a supplied air temperature and humidity monitoring device and a central controller. The supplied air temperature and humidity monitoring device is used for monitoring the temperature and humidity of supplied air; the central controller is connected with the supplied air temperature and humidity monitoring device, the humidification valve, the steam valve and the cold water valve and used for controlling opening of the humidification valve, the steam valve and the cold water valve according to monitoring results of the supplied air temperature and humidity monitoring device. The air conditioner control system can regulate the temperature and humidity of the air supplied by an air conditioning unit simultaneously to meet the requirements of different clean areas for the temperature and humidity of the air conditioning unit, and the air conditioner control system is convenient to operate and high in work efficiency.
Description
Technical field
The utility model relates to air-conditioning technical, relates in particular to a kind of air-conditioner control system.
Background technology
In the industry that current medicine, food, electronics etc. improve day by day to the requirement of production environment cleanliness factor, automatic control system of air conditioner occupies very consequence.And existing control technology is difficult to change control steam valve, cold valves and humidifier valve by actual humiture.Normally respectively temperature is carried out the control of steam valve and cold valves, humidity is controlled carried out the control of humidifier valve and cold valves.
The control mode of this system, not only wayward, and also system cost is high, and the Temperature and Humidity Control error is larger, and is too frequent to the operation of valve arrangement, aggravated the infringement of equipment.
The utility model content
For defective and deficiency that prior art exists, the utility model provides a kind of air-conditioner control system that can effectively control temperature and humidity.
On the one hand, the utility model provides a kind of air-conditioner control system, and it comprises:
Humidifier valve, steam valve, cold valves;
The air-supply humiture monitoring device that is used for monitoring wind pushing temperature and humidity;
Central controller is connected, is used for the described humidifier valve of monitoring result control, the steam valve according to described air-supply humiture monitoring device, the aperture of cold valves with cold valves with air-supply humiture monitoring device, humidifier valve, steam valve.
The utility model air-conditioner control system can be realized temperature and the humidity of air-conditioning unit are controlled simultaneously according to air supply section temperature and humidity monitoring result, and is simple to operate, effectively improves the operating efficiency of air-conditioning unit.
Description of drawings
Figure 1 shows that the system architecture schematic diagram of the utility model air-conditioner control system.
Fig. 2 a is the schematic diagram of the PID output valve that draws according to temperature value/humidity value of setting.
Fig. 2 b controls the schematic diagram of steam valve, humidifier valve and cold valves aperture according to the PID output valve.
The specific embodiment
Embodiment of the present utility model is described with reference to the accompanying drawings.The element of describing in an accompanying drawing of the present utility model or a kind of embodiment and feature can combine with element and the feature shown in one or more other accompanying drawings or embodiment.Should be noted that in order to know purpose, omitted, expression and description known to persons of ordinary skill in the art parts and processing irrelevant with the utility model in accompanying drawing and explanation.
As shown in Figure 1, the utility model air-conditioner control system comprises humidifier valve 1, steam valve 2, cold valves 3, air-supply humiture monitoring device 10 and central controller 13.Air-supply humiture monitoring device 10 is used for monitoring wind pushing temperature and humidity.Central controller is connected with cold valves with air-supply humiture monitoring device 10, humidifier valve 1, steam valve 2 and is connected, is used for monitoring result control humidifier valve 1, the steam valve 2 according to air-supply humiture monitoring device 10, the aperture of cold valves 3.
The utility model air-conditioner control system can be realized temperature and the humidity of air-conditioning unit are controlled simultaneously according to air supply section temperature and humidity monitoring result, and is simple to operate, effectively improves the operating efficiency of air-conditioning unit.
This center-control implement body can be Programmable Logic Controller, requires to adjust different parameters value for temperature and humidity with convenient cleanliness factor according to zones of different in good time, realizes the controls of 13 pairs of control humidifier valves 1 of central controller, steam valve 2, cold valves 3.
This air-supply humiture monitoring device 10 is arranged on the air supply section of air-conditioning unit.
Air-supply humiture monitoring device 10 specifically can comprise temperature sensor and humidity sensor,
Air-supply humiture monitoring device 10 be used for the air that the air-conditioning unit is sent in the Real-Time Monitoring air-conditioner control system the temperature and humidity situation and generate corresponding monitor signal, and the monitor signal of correspondence is directly reached central controller 13 or it is reached central controller 13 by remote mode, make the corresponding state of controlling humidifier valve 1, steam valve 2, cold valves 3 of temperature and humidity situation of the air that central controller 13 sends according to the air-conditioning unit.Air-conditioner control system is realized wind pushing temperature and the humidity of air-conditioning unit are controlled in real time thus.
Alternatively, air-conditioner control system of the present utility model also comprises air quantity device 9, is arranged on the air supply section of air-conditioning unit and is connected to central controller 13, is used for sending the air quantity monitor signal to central controller 13.
Alternatively, air-conditioner control system of the present utility model also comprises frequency conversion fan 6, is connected with central controller 13.
Particularly, for reaching the humiture requirement of a certain clean area, the air quantity that at first will satisfy the clean area air-supply requires to reach the air rate of ventilation of clean area.Air quantity device 9 is used in real time corresponding monitor signal is monitored and generated to the air quantity of a certain clean area air-supply, and central controller 13 is arrived in the monitor signal teletransmission that generates, the monitor signal that central controller 13 transmits according to air quantity device 9, by PID(ratio, integration, differential) control mode controls the speed of service of frequency conversion fan 6, if air quantity greatly reduce the speed of service of frequency conversion fan 6, the little speed of service that improves frequency conversion fan 6 of air quantity satisfies the air quantity requirement of clean area air-supply.Described frequency conversion fan 6 is arranged between the new wind section and air supply section of air-conditioner control system.
Owing to being provided with air quantity device 9, in the situation that can carry out effectively adjusting to the air-supply humiture, can also control air output, simultaneously to satisfy different clean areas for the requirement of temperature and the humidity of air-conditioning unit, can promote the accuracy of temperature and humidity regulation, and easy to operate.
Alternatively, air-conditioner control system of the present utility model also comprises primary efficient filter screen 4, medium air filtration net 8, is successively set between the new wind section and air supply section of air-conditioning unit.
Alternatively, air-conditioner control system of the present utility model also comprises two screen pack differential pressure indicators 11 being located at respectively on primary efficient filter screen 4, medium air filtration net 8.
Filter screen differential pressure indicator 11 is used for measuring the pressure reduction at primary efficient filter screen 4 two ends and the pressure differential at medium air filtration net 8 two ends.Along with the operation of air-conditioning unit, during pressure differential when the pressure differential of measuring when screen pack differential pressure indicator 11 is normally moved greater than the air-conditioning of setting, the air-conditioning unit needs in time corresponding primary efficient filter screen 4 and/or the medium air filtration net 8 of changing air-conditioning.
Alternatively, central controller 13 comprises control circuit, is connected with cold valves with humidifier valve 1, steam valve 2 to be connected, and is used for controlling the aperture of humidifier valve 1, steam valve 2 and cold valves 3.
For example, central controller 13 can be long-range receives from above-mentioned air-supply humiture monitoring device 10 and represents that the air-conditioning unit sends the monitor signal of the temperature and humidity situation of air, and control the aperture of steam valve 2, cold valves 3 and humidifier valve 1 according to this monitor signal, to regulate simultaneously wind pushing temperature and humidity, make it satisfy the particular demands of clean area.Specifically, during higher than clean area production temperature, the control circuit of central controller 13 will be controlled steam valve 2 and turn down aperture when wind pushing temperature, increase the aperture of cold valves 3; During lower than clean area production temperature, the control circuit of central controller 13 will be controlled steam valve 2 and open large aperture, reduce the aperture of cold valves 3 when wind pushing temperature; Simultaneously, when air-supply humidity during higher than clean area production humidity, the control circuit of central controller 13 will be controlled humidifier valve 1 and turn down aperture, increase the aperture of cold valves 3, when air-supply humidity during lower than clean area production temperature, the control circuit of central controller 13 will be controlled humidifier valve 1 and open large aperture, reduce the aperture of cold valves 3.Above-mentioned production temperature, production humidity refers to, clean area need to be kept the required temperature and humidity of home state, for example, and required temperature and humidity during pharmaceutical factory production certain drug product.
Further, all need to regulate cool water quantity during because of the adjusting temperature and humidity, namely all need cold valves 3 is carried out corresponding control, in the present invention, central controller 13 can be controlled the high aperture of selecting cold valves 3 result and humidity control result from the temperature of prediction.To this, central controller 13 is carrying out temperature and humidity control by the PID mode.Fig. 2 a is the schematic diagram of the PID output valve that draws according to temperature value/humidity value of setting, and Fig. 2 b be the schematic diagram according to PID output valve control steam valve, humidifier valve and cold valves aperture.In model according to PID output valve by-pass valve control aperture, when the PID output valve changes between 0%-50% successively, aperture corresponding variation the between 100%-0% that is used for the steam valve 2 of control temperature, when PID output changes successively, be used for aperture corresponding variation between 0-100% of the cold valves 3 of control temperature between 50%-100%; When PID exports at 0%-50%, be used for aperture corresponding variation between 100%-0% of the humidifier valve 1 of controlled humidity; When PID exported at 50%-100%, the aperture that is used for the cold valves 3 of control temperature changed between 0-100% successively.Therefore, all can control the aperture of cold valves 3 when regulating temperature and humidity, can compare this moment to the opening value of controlling the cold valves 3 that result obtains according to temperature and the opening value of controlling the cold valves 3 that result obtains according to humidity, and the aperture of cold valves 3 is made as wherein high value.
As shown in Figure 1, the utility model air-conditioner control system also comprises coil device 5 and new air-valve 12.Need first open new air-valve 12 before the air-conditioning unit operation, prevent new wind section obstruction.Coil device 5 comprises the cooling coil and the hot coil that adds hot-air for cooling-air.
During the work of the utility model air-conditioner control system, at first open new air-valve 12; The air quantity of the air-supply of 9 pairs of a certain clean areas of air quantity device is monitored, and central controller 13 is arrived in the monitor signal teletransmission; The air quantity that central controller 13 is blown to satisfy clean area by the speed of service of PID(control mode control frequency conversion fan 6, and then the air rate of ventilation of regulating clean area; Then, central controller 13 receives from above-mentioned air-supply humiture monitoring device 10 and represents that the air-conditioning unit sends the monitor signal of the temperature and humidity situation of air, and control the aperture of steam valve 2, cold valves 3 and humidifier valve 1 according to this monitor signal, to regulate simultaneously wind pushing temperature and humidity, make it satisfy the particular demands of clean area, in this process, central controller 13 is controlled the high aperture of selecting cold valves 3 result and humidity control result from the temperature of prediction simultaneously.
Although described the utility model and advantage thereof in detail, be to be understood that in the situation that do not exceed the spirit and scope of the present utility model that limited by appended claim and can carry out various changes, alternative and conversion.And the application's scope is not limited only to the specific embodiment of the described process of specification, equipment, means, method and step.The one of ordinary skilled in the art will readily appreciate that from disclosure of the present utility model, can use execution and the essentially identical function of corresponding embodiment described herein or acquisition result essentially identical with it, existing and want exploited process, equipment, means, method or step in the future according to the utility model.Therefore, appended claim is intended to comprise such process, equipment, means, method or step in their scope.
Claims (10)
1. air-conditioner control system, it is characterized in that: it comprises:
Humidifier valve, steam valve, cold valves;
The air-supply humiture monitoring device that is used for monitoring wind pushing temperature and humidity;
Central controller is connected, is used for the described humidifier valve of monitoring result control, the steam valve according to described air-supply humiture monitoring device, the aperture of cold valves with cold valves with air-supply humiture monitoring device, humidifier valve, steam valve.
2. air-conditioner control system as claimed in claim 1, it is characterized in that: described air-supply humiture monitoring device is arranged on the air supply section of air-conditioning unit.
3. air-conditioner control system as claimed in claim 2, is characterized in that: also comprise the air quantity device, be arranged on the air supply section of air-conditioning unit and be connected to described central controller.
4. air-conditioner control system as claimed in claim 3, is characterized in that: also comprise frequency conversion fan, be connected with described central controller.
5. air-conditioner control system as claimed in claim 4, it is characterized in that: described frequency conversion fan is arranged between the new wind section and air supply section of air-conditioning unit.
6. air-conditioner control system as claimed in claim 1, it is characterized in that: described central controller is Programmable Logic Controller.
7. air-conditioner control system as claimed in claim 1, it is characterized in that: also comprise primary efficient filter screen and medium air filtration net, described primary efficient filter screen and medium air filtration net are successively set between the new wind section and air supply section of air-conditioning unit.
8. air-conditioner control system as claimed in claim 7, is characterized in that: also comprise being separately positioned on described primary efficient filter screen and two online screen pack differential pressure indicators of medium air filtration.
9. air-conditioner control system as claimed in claim 1, it is characterized in that: described central controller comprises control circuit, is connected with described humidifier valve, steam valve and cold valves, is used for controlling the aperture of humidifier valve, steam valve and cold valves.
10. air-conditioner control system as claimed in claim 1, is characterized in that, described air-supply humiture monitoring device comprises temperature sensor and humidity sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320228385 CN203274133U (en) | 2013-04-28 | 2013-04-28 | Air conditioner control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320228385 CN203274133U (en) | 2013-04-28 | 2013-04-28 | Air conditioner control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203274133U true CN203274133U (en) | 2013-11-06 |
Family
ID=49504531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320228385 Expired - Lifetime CN203274133U (en) | 2013-04-28 | 2013-04-28 | Air conditioner control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203274133U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371448A (en) * | 2015-12-22 | 2016-03-02 | 南京科技职业学院 | Constant temperature and constant humidity PLC control system for clean room |
| CN107842912A (en) * | 2017-10-23 | 2018-03-27 | 广东美的暖通设备有限公司 | Conditioner and its control method |
-
2013
- 2013-04-28 CN CN 201320228385 patent/CN203274133U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371448A (en) * | 2015-12-22 | 2016-03-02 | 南京科技职业学院 | Constant temperature and constant humidity PLC control system for clean room |
| CN107842912A (en) * | 2017-10-23 | 2018-03-27 | 广东美的暖通设备有限公司 | Conditioner and its control method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |