CN201497118U - Intelligent temperature control system of central air conditioner - Google Patents
Intelligent temperature control system of central air conditioner Download PDFInfo
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- CN201497118U CN201497118U CN200920195067XU CN200920195067U CN201497118U CN 201497118 U CN201497118 U CN 201497118U CN 200920195067X U CN200920195067X U CN 200920195067XU CN 200920195067 U CN200920195067 U CN 200920195067U CN 201497118 U CN201497118 U CN 201497118U
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Abstract
The utility model discloses an intelligent temperature control system of a central air conditioner. The intelligent temperature control system is characterized in that the system includes a valve for controlling the flow rate of cooling water or hot water, a motor for controlling on/off of the valve, a temperature probe for detecting the ambient temperature, a drive controller electrically connected with the motor, and a temperature controller, wherein the temperature controller can output a corresponding voltage or current signal according to the proportion of the temperature difference between the temperature detected by the temperature probe and the preset temperature, and the drive controller is controlled by the voltage or current signal to control the motor so as to control the opening degree of the valve. The intelligent temperature control system of the central air conditioner has the advantages of high performance price ratio, low energy consumption and environmental protection.
Description
[technical field]
The utility model relates to a kind of intelligent central air-conditioning control system for regulating temperature.
[background technology]
Country advocates under the major premise of energy-conserving and environment-protective energetically now, the more and more central refrigerating and heating systems that adopt the collection control of hospital, government building, office building, factory or the like, but among the several abroad big product participants in a bridge games of intelligent central air-conditioning thermoregulating system major control (as: Jiang Sen), according to market survey, at present domestic do not have as yet can replace similar horizontal product abroad.But intelligent its stability of central air-conditioning thermoregulating system newly developed can match in excellence or beauty with external like product fully, and cost performance is far longer than external like product.The existing main dependence on import brand of domestic intelligent central air-conditioning thermoregulating system, and the price of external product is high at present.
Traditional central air-conditioning through after the main frame refrigeration freeze water or heat after hot water be transported to each through valve and need freeze a little or heat a little, the cooling water of control refrigeration or the valve of hot water have only standard-sized sheet or contract fully, therefore existing central air-conditioning thermoregulating system valve both domestic and external wastes energy, and environment protecting is poor.In order to address the above problem, the inventor designs the utility model.
[utility model content]
The utility model has overcome the deficiency of above-mentioned technology, and the intelligent central air-conditioning control system for regulating temperature of a kind of cost performance height, energy-conserving and environment-protective is provided.
For achieving the above object, the utility model has adopted following technical proposal:
Intelligence central air-conditioning control system for regulating temperature is characterized in that including the valve of controlling cooling water or hot water flow, and the motor that by-pass valve control opens or closes is characterized in that, also includes:
The temperature probe that is used for the testing environment temperature;
The driving governor that is electrically connected with motor;
And temperature controller, it controls the open degree of driving governor CD-ROM drive motor control valve according to the temperature of temperature probe detection and the temperature difference ratio output correspondent voltage or the current signal of design temperature own.
Also include feedback circuit, the input of this feedback circuit is connected with the driving governor output, and the output of this feedback circuit is connected with the temperature controller input.
Described temperature probe is a thermistor, one end ground connection, and the other end is connected with temperature controller.
Described temperature controller includes:
The temperature control chip, its temperature signal input is connected with the other end of thermistor;
Be used to regulate the temperature control output circuit of output signal, its input is connected with the temperature control chip, and its output is connected with driving governor;
Chip of LCD is connected with the temperature control chip;
LCDs, display environment temperature, design temperature under the control of chip of LCD;
Relay circuit is imported power supply to motor under the control of temperature control chip;
The temperature controller power circuit is for foregoing circuit provides power supply.
Described driving governor includes:
Be used to regulate the driving input circuit of input drive signal, its input is connected with temperature control output circuit output;
Drive chip, its input is connected with driving input circuit output, and its output is connected with the input that drives output control circuit;
Drive output control circuit, its output is electrically connected with motor;
Driving power is for foregoing circuit provides power supply.
Described temperature control output circuit output control signal is a voltage signal, and voltage range is 0～10V; Driving the input circuit input control signal is voltage signal, and voltage range is 0～10V.
Described temperature control output circuit output control signal is a current signal, and current range is 4～20mA; Driving the input circuit input control signal is current signal, and current range is 4～20mA.
Compared with prior art, the beneficial effects of the utility model are: 1, intelligent central air-conditioning thermoregulating system of the present utility model has high cost performance, and its function and stability reach external like product.2, the open degree of the temperature difference signal controlling valve of a feedback can be put or heat to the utility model product from the need refrigeration, valve Close All when temperature is identical, the temperature difference 1 bottom valve door opens 30%, valve opening 50% when the temperature difference 2 was spent, open 70% when the temperature difference 3 is spent, open 90% when the temperature difference 4 is spent, the temperature difference 5 degree with or when above valve all open, intelligent central air-conditioning thermoregulating system has been avoided the not energy-conservation deficiency of conventional valves, reaches the effect of energy-conservation more environmental protection.
[description of drawings]
Fig. 1 is a block diagram of the present utility model;
Fig. 2 is temperature control chip, temperature control output circuit, the chip of LCD of the utility model temperature controller, the circuit theory diagrams of LCDs;
Fig. 3 is the relay circuit of the utility model temperature controller, the circuit theory diagrams of temperature controller power circuit;
Fig. 4 is the circuit theory diagrams of the utility model driving governor and feedback circuit.
[specific embodiment]
Be described in further detail below in conjunction with accompanying drawing and embodiment of the present utility model:
Referring to Fig. 1, the utility model is intelligent central air-conditioning control system for regulating temperature, it includes the valve 1 of control cooling water or hot water flow, the motor 2 that by-pass valve control opens or closes, the temperature probe 3 that is used to detect the needs refrigeration or heats an environment temperature, the driving governor 4 that is electrically connected with motor 2, and be connected temperature controller 5 between temperature probe 3 and the driving governor 4.Temperature controller 5 is controlled the open degree of driving governor 4 CD-ROM drive motors 2 control valves according to the temperature of temperature probe 3 detections and the temperature difference ratio output correspondent voltage or the current signal of design temperature own.Valve Close All when environment temperature is identical with design temperature, the temperature difference 1 bottom valve door open 30%, and (if refrigeration, environment temperature is higher than design temperature 1 degree; If heat, environment temperature is lower than design temperature 1 degree, below same principle), valve opening 50% when the temperature difference 2 was spent, open 70% when the temperature difference 3 is spent, open 90% when the temperature difference 4 is spent, the temperature difference 5 degree with or when above valve all open, intelligent central air-conditioning thermoregulating system has been avoided the not energy-conservation deficiency of conventional valves, reaches the effect of energy-conservation more environmental protection.
Referring to Fig. 3, described temperature probe 3 is a thermistor RT2, one end ground connection, and the other end is connected with temperature controller 5.
Referring to Fig. 2, described temperature controller 5 includes temperature control chip 51, temperature control output circuit 52, chip of LCD 53, LCDs 54, relay circuit 55, temperature controller power circuit 56.
The model of temperature control chip 51 is ATMega8, and this chip is a core of the present utility model, and its temperature signal input RT is connected with the other end of thermistor RT2.
Temperature control output circuit 52 is used to regulate output signal, it includes two comparator U14A, U15D, form input PWM behind the filter circuit of the positive input of comparator U14A by resistance, electric capacity composition, input PWM is connected with the PWM end of temperature control chip 51, the reverse input end of comparator U14A is connected with comparator U15D output by switch, the output of comparator U14A is connected the back and forms output CTLOUT by resistance with the positive input of comparator U15D, this output CTLOUT is connected with driving governor 4.Described temperature control output circuit 52 output control signals can be voltage signal, and voltage range is 0～10V; Described temperature control output circuit 52 output control signals also can be current signal, and current range is 0～20mA.
The model of chip of LCD 53 is HT1621B-DIE, and it is connected with temperature control chip 51 by port DATA, WR, CS; LCDs 54 is connected with chip of LCD 53, display environment temperature, design temperature under the control of chip of LCD 53.
Temperature controller power circuit 56 is for temperature control chip 51, temperature control output circuit 52, chip of LCD 53, LCDs 54, relay circuit 55 provide power supply.
Described driving governor 4 includes and drives input circuit 41, drives chip 42, drives output control circuit 43, driving power 44.
The model that drives chip 42 is ATMega8, and its input ADC_in is connected with driving input circuit 41 outputs, and its output OUT-U+, OUT-U-are connected with the input of driving output control circuit;
Drive output control circuit 43 and comprise two photoelectrical coupler U11A, U11B and two bidirectional thyristor Q1, Q2, the input of photoelectrical coupler is as the input that drives output control circuit 43, the output of photoelectrical coupler forms output by bidirectional thyristor, output is electrically connected with motor 2, and driving output control circuit 43 can be controlled motor 2 and carry out rotating.
The utility model also includes feedback circuit 6, and the input of this feedback circuit 6 is connected with driving governor 4 outputs, and the output of this feedback circuit 6 is connected with temperature controller 5 inputs.
Control accuracy of the present utility model is+/-0.1V; Operating voltage: for exchanging 24V; Operating ambient temperature: for-10C～70C.
Claims (7)
1. intelligent central air-conditioning control system for regulating temperature is characterized in that including the valve (1) of controlling cooling water or hot water flow, and the motor that by-pass valve control opens or closes (2) is characterized in that, also includes:
The temperature probe (3) that is used for the testing environment temperature;
The driving governor (4) that is electrically connected with motor (2);
And temperature controller (5), it controls the open degree of driving governor (4) CD-ROM drive motor (2) control valve according to the temperature of temperature probe (3) detection and the temperature difference ratio output correspondent voltage or the current signal of design temperature own.
2. intelligent central air-conditioning control system for regulating temperature according to claim 1, it is characterized in that also including feedback circuit (6), the input of this feedback circuit (6) is connected with driving governor (4) output, and the output of this feedback circuit (6) is connected with temperature controller (5) input.
3. intelligent central air-conditioning control system for regulating temperature according to claim 1 and 2 is characterized in that described temperature probe (3) is a thermistor (RT2), one end ground connection, and the other end is connected with temperature controller (5).
4. intelligent central air-conditioning control system for regulating temperature according to claim 3 is characterized in that described temperature controller (5) includes:
Temperature control chip (51), its temperature signal input (RT) is connected with the other end of thermistor (RT2);
Be used to regulate the temperature control output circuit (52) of output signal, its input (PWM) is connected with temperature control chip (51), and its output (CTLOUT) is connected with driving governor (4);
Chip of LCD (53) is connected with temperature control chip (51);
LCDs (54), display environment temperature, design temperature under the control of chip of LCD (53);
Relay circuit (55) is imported power supply to motor under the control of temperature control chip (51);
Temperature controller power circuit (56) is for foregoing circuit provides power supply.
5. intelligent central air-conditioning control system for regulating temperature according to claim 4 is characterized in that described driving governor (4) includes:
Be used to regulate the driving input circuit (41) of input drive signal, its input (E_input) is connected with temperature control output circuit (52) output (CTLOUT);
Drive chip (42), its input (ADC_in) is connected with driving input circuit (41) output, and its output (OUT-U+, OUT-U-) is connected with the input that drives output control circuit;
Drive output control circuit (43), its output is electrically connected with motor (2);
Driving power (44) is for foregoing circuit provides power supply.
6. intelligent central air-conditioning control system for regulating temperature according to claim 5 is characterized in that described temperature control output circuit (52) output control signal is a voltage signal, and voltage range is 0～10V; Driving input circuit (41) input control signal is voltage signal, and voltage range is 0～10V.
7. intelligent central air-conditioning control system for regulating temperature according to claim 5 is characterized in that described temperature control output circuit (52) output control signal is a current signal, and current range is 4～20mA; Driving input circuit (41) input control signal is current signal, and current range is 4～20mA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920195067XU CN201497118U (en) | 2009-09-22 | 2009-09-22 | Intelligent temperature control system of central air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920195067XU CN201497118U (en) | 2009-09-22 | 2009-09-22 | Intelligent temperature control system of central air conditioner |
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| Publication Number | Publication Date |
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| CN201497118U true CN201497118U (en) | 2010-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200920195067XU Expired - Fee Related CN201497118U (en) | 2009-09-22 | 2009-09-22 | Intelligent temperature control system of central air conditioner |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927666A (en) * | 2012-11-30 | 2013-02-13 | 天津市金硕科技投资集团有限公司 | Intelligent control system and method of central air-conditioner |
| CN102980242A (en) * | 2012-11-22 | 2013-03-20 | 宁夏赛文节能服务有限公司 | Intelligent control system of valve |
| CN103322643A (en) * | 2013-06-05 | 2013-09-25 | 苏州惠瑞自动化集成有限公司 | Automated air conditioning monitoring system |
| CN104579109A (en) * | 2013-10-28 | 2015-04-29 | 中山大洋电机股份有限公司 | Electronic commutation motor, control method thereof, and HVAC debugging system applied by electronic commutation motor |
| CN107957157A (en) * | 2016-10-18 | 2018-04-24 | 广东芬尼克兹节能设备有限公司 | Heat pump and its control method for heating target temperature |
-
2009
- 2009-09-22 CN CN200920195067XU patent/CN201497118U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980242A (en) * | 2012-11-22 | 2013-03-20 | 宁夏赛文节能服务有限公司 | Intelligent control system of valve |
| CN102927666A (en) * | 2012-11-30 | 2013-02-13 | 天津市金硕科技投资集团有限公司 | Intelligent control system and method of central air-conditioner |
| CN103322643A (en) * | 2013-06-05 | 2013-09-25 | 苏州惠瑞自动化集成有限公司 | Automated air conditioning monitoring system |
| CN104579109A (en) * | 2013-10-28 | 2015-04-29 | 中山大洋电机股份有限公司 | Electronic commutation motor, control method thereof, and HVAC debugging system applied by electronic commutation motor |
| CN104579109B (en) * | 2013-10-28 | 2017-07-07 | 中山大洋电机股份有限公司 | A kind of control method of electronics commutated motor |
| CN107957157A (en) * | 2016-10-18 | 2018-04-24 | 广东芬尼克兹节能设备有限公司 | Heat pump and its control method for heating target temperature |
| CN107957157B (en) * | 2016-10-18 | 2020-05-12 | 广东芬尼克兹节能设备有限公司 | Heat pump and control method of heating target temperature thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20110922 |