CN2919095Y - Energy compensated accurate air-conditioner - Google Patents
Energy compensated accurate air-conditioner Download PDFInfo
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- CN2919095Y CN2919095Y CN 200520120290 CN200520120290U CN2919095Y CN 2919095 Y CN2919095 Y CN 2919095Y CN 200520120290 CN200520120290 CN 200520120290 CN 200520120290 U CN200520120290 U CN 200520120290U CN 2919095 Y CN2919095 Y CN 2919095Y
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Abstract
The utility model discloses a compact and precise air-conditioner of energy compensation, including an air filtration device, a heat-exchanger and an air conditioning device connected with the air filtration device, an air outlet positioned on the air conditioning device, a device connected with the air filtration device to let air in and circle within the room, a temperature and humidity sensor positioned in the room, a temperature and humidity sensor equipped out of the room, a DDC controller connected with the input interfaces of the temperature and humidity sensors in and out of the room. The device to let air in and circle within the room consists of two valves, with one to let air in and the other to let air circle within the room, with which the output interfaces of the DDC controller are connected. A controlling program is disposed in the DDC controller control the open and close of the valve to let air in and compensate the energy through the enthalpy. The energy compensation of the central air-conditioning system and the precise control of the heater and humidifier can also be realized.
Description
Technical field
The utility model relates to a kind of central air conditioner system, specifically, relates to a kind of central air conditioner system that can realize energy compensating and heater and the accurate control of humidifier.
Background technology
In existing business air conditioner field, constant temperature and humidity precision air conditioner system generally only is provided with single air-valve, or new air valve, or the return air valve.Therefore, air-conditioning can only be with brand-new wind state when operation, or full return air state operation.In brand-new wind running status, if outdoor enthalpy during greater than indoor enthalpy, the system consumption energy is excessive, can cause very big energy waste.And in full return air running status, if indoor enthalpy during greater than outdoor enthalpy, equally also can cause the waste of the energy.The set-up mode of these existing two kinds of air-valves has all caused the waste of the energy inevitably.
The utility model content
The purpose of this utility model is to overcome above-mentioned defective of the prior art, and a kind of energy compensating precision air conditioner that can realize energy compensating and heater and the accurate control of humidifier is provided, and can reduce the energy consumption of unit greatly.
For achieving the above object, the technical scheme that the utility model provides is as follows: construct a kind of energy compensating precision air conditioner, comprise air filter, the heat-exchange device that is connected successively with air filter, conditioner, be arranged on the air outlet on the conditioner, also comprise be connected with air filter be used to into new wind and indoor air-returning device, be arranged on indoor Temperature Humidity Sensor, be arranged on outdoor Temperature Humidity Sensor, the DDC controller that is connected with indoor and outdoor Temperature Humidity Sensor input interface, describedly advance new wind and indoor air-returning device by advancing new air valve and constitute with the indoor indoor return air valve that is connected, the output interface of DDC controller respectively with advance the new air valve of advancing of new wind and indoor air-returning device, indoor return air valve is connected.
In the DDC controller, also write the control program that utilizes enthalpy to control compressor operating, heater, humidifier unlatching or close, the temperature that the temperature that indoor temperature and humidity sensor is sensed, the enthalpy of humidity correspondence and user set, the enthalpy of humidity correspondence are by the temperature difference, wet difference and enthalpy comparison operation, export a PID controlling value (PID value) and give heater, humidifier and compressor variable frequency device, this PID controlling value is the standard analog signal or 0 of 0～10V, a 2～10V, 4～20mA, 1 switching signal, and it is as follows to calculate skeleton symbol:
Note: Hi (indoor) refers to the enthalpy of indoor actual humiture correspondence;
Hi (outdoor) refers to the enthalpy of outdoor actual humiture correspondence;
Ho (setting) refers to the enthalpy of the humiture correspondence that indoor controlled environment is set;
In the computing of reality, the concrete physical descriptor of input is converted into the canonical variable or 0 of 0～10V, 2～10V, 4～20mA, 1 switching signal, is about to set-point and process variables and is standardized into the signal of telecommunication between 0～10V, 2～10V, 4～20mA or 0,1 the switching signal.Simultaneously, guaranteeing to export also is the canonical variable or 0 of 0～10V, a 2～10V, 4～20mA, 1 switching signal.
According to pid algorithm, the DDC controller calculates one and outputs signal to electric heater, humidifier, Electric air valve and compressor variable frequency device, signal electric heater, humidifier, Electric air valve according to the input of DDC controller are realized opening and closing, and the compressor variable frequency device is realized the frequency control of about 10～120Hz.Thereby changed the running status of unit, realized the adjusting of energy compensating, humiture and the cold of precision air conditioner.
The effect of energy compensating precision air conditioner described in the utility model is: by in unit, be provided with by advance new air valve with constitute with the indoor indoor return air valve that is connected advance new wind and indoor air-returning device, and adopt the DDC controller in conjunction with PID (ratio, integration, differential) difference algorithm, combine with electric heater, humidifier, Electric air valve and frequency-changeable compressor, can be accurately the Temperature and Humidity Control of environment within setting range, make energy obtain maximum compensation simultaneously.Compare with traditional constant temperature and humidity precision air conditioner system, energy-conservation more than 30%, and control accuracy is higher.The controller that adopts can detect on-the-spot various parameters in real time, inquires about humiture current and that set; Can carry out the on-the-spot humiture setting and the control of various external equipments, comprise the FREQUENCY CONTROL of heater control, the control of humidifier aperture, new air returning valve gate control and compressor, the correction of sensor and timed power on/off etc.; Can monitor the running status of each parts, autostop and send alarm signal when breaking down.
Below in conjunction with drawings and Examples energy compensating precision air conditioner described in the utility model is described further:
Description of drawings
Fig. 1 is the structural representation of the utility model energy compensating precision air conditioner;
Fig. 2 is the control flow block diagram of the utility model energy compensating precision air conditioner;
Fig. 3 is the electrical schematic diagram of the utility model energy compensating precision air conditioner.
The specific embodiment
Below be the most preferred embodiment of energy compensating precision air conditioner described in the utility model, therefore do not limit protection domain of the present utility model.
With reference to Fig. 1, Fig. 2, Fig. 3, construct a kind of energy compensating precision air conditioner, comprise air filter 16, the heat-exchange device 17 that is connected successively with air filter 16, conditioner 18, be arranged on the air outlet 10 on the conditioner 18, also comprise be connected with air filter 16 be used to into new wind and indoor air-returning device 15, be arranged on indoor Temperature Humidity Sensor 12, be arranged on indoor Temperature Humidity Sensor 20, with Temperature Humidity Sensor 12, the DDC controller 11 that 20 input interfaces are connected, describedly advance new wind and indoor air-returning device 15 by advancing new air valve 1 and constituting with the indoor indoor return air valve 2 that is connected, the output interface of DDC controller 11 with advance the new air valve 1 of advancing of new wind and indoor air-returning device 15, indoor return air valve 2 is connected, and writes to utilize enthalpy and temperature to control the unlatching of into new air valve 1 or close the control program that carries out energy compensating in DDC controller 11.
Described air filter 16 is made of roughing efficiency air filter 3, medium effeciency filter 4.
Described heat-exchange device 17 comprises blower fan 5, condensate pipe 7, compressor, the evaporimeter 6 that is connected with compressor, and described compressor is a frequency-changeable compressor.
Described conditioner 18 is made of heater 8, humidifier 9.
Also having write in DDC controller 11 utilizes enthalpy to control compressor operating, heater 8, the control program that humidifier 9 opens or cuts out, indoor and outdoor Temperature Humidity Sensor 12,20 temperature of sensing, the temperature that the enthalpy of humidity correspondence and user set, the enthalpy of humidity correspondence passes through the temperature difference, wet difference and enthalpy comparison operation, export a proportion control value or PID controlling value (PID value), give heater 8, humidifier 9 and compressor variable frequency device, this PID controlling value are a 0～10V or 2～10V, the standard analog signal of 4～20mA or 0,1 switching signal.
The calculating skeleton symbol is as follows:
Note: Hi (indoor) refers to the enthalpy of indoor actual humiture correspondence;
Hi (outdoor) refers to the enthalpy of outdoor actual humiture correspondence;
Ho (setting) refers to the enthalpy of the humiture correspondence that indoor controlled environment is set;
In the computing of reality, the concrete physical descriptor of input is converted into the canonical variable or 0 of 0～10V, 2～10V, 4～20mA, 1 switching signal, is about to set-point and process variables and is standardized into the signal of telecommunication between 0～10V, 2～10V, 4～20mA or 0,1 the switching signal.Simultaneously, guaranteeing to export also is the canonical variable or 0 of 0～10V, a 2～10V, 4～20mA, 1 switching signal.
According to pid algorithm, DDC controller 11 calculates one and outputs signal to heater 8, humidifier 9 and compressor variable frequency device, according to the signal of DDC controller 11 inputs, heater 8, humidifier 9 are realized opening and closing, and the compressor variable frequency device is realized the frequency control of about 10～120Hz.Thereby changed the running status of unit, realized the adjusting of energy compensating, humiture and the cold of precision air conditioner.
By the enthalpy difference computing method, refrigeration system no longer only is subjected to the control of temperature or humidity separately, but is controlled by the enthalpy that temperature, humidity and humiture combine.Difference with enthalpy compares, and system can control the switching of new air valve 1, indoor return air valve 2 by DDC controller 11 according to the variation of indoor and outdoor enthalpy, thereby realizes the energy compensating function.When the enthalpy difference hour, system only need start the control requirement that heat temperature raising and little cold refrigeration in a small amount can satisfy environment, has avoided a large amount of cooling dehumidifier and a large amount of heat temperature raisings, thereby has saved energy consumption; When enthalpy difference was big, frequency converter determined the power output of compressor according to 0～10V of DDC output or the control signal of 2～10V, thereby realizes that unit from 0～130% stepless energy adjustment, has not only improved control accuracy but also saved energy consumption.
Claims (1)
1, a kind of energy compensating precision air conditioner, comprise air filter, the heat-exchange device that is connected successively with air filter, conditioner, be arranged on the air outlet on the conditioner, it is characterized in that, also comprise be connected with air filter be used to into new wind and indoor air-returning device, be arranged on indoor Temperature Humidity Sensor, be arranged on outdoor Temperature Humidity Sensor, the DDC controller that is connected with indoor and outdoor Temperature Humidity Sensor input interface, describedly advance new wind and indoor air-returning device by advancing new air valve and indoor return air valve constitutes, the output interface of DDC controller respectively with advance the new air valve of advancing of new wind and indoor air-returning device, indoor return air valve is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520120290 CN2919095Y (en) | 2005-12-19 | 2005-12-19 | Energy compensated accurate air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520120290 CN2919095Y (en) | 2005-12-19 | 2005-12-19 | Energy compensated accurate air-conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN2919095Y true CN2919095Y (en) | 2007-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200520120290 Expired - Fee Related CN2919095Y (en) | 2005-12-19 | 2005-12-19 | Energy compensated accurate air-conditioner |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101571309B (en) * | 2009-05-11 | 2011-04-20 | 杭州共远科技有限公司 | System for remote monitoring and control of air conditioner |
| CN104633863A (en) * | 2015-02-04 | 2015-05-20 | 无锡市同舟电子实业有限公司 | Central air conditioner control method based on self-tuning discrete PID algorithm |
| CN108489002A (en) * | 2018-03-14 | 2018-09-04 | 郑州工程技术学院 | A kind of indoor temperature adjusting system and method based on computer control |
| CN109654706A (en) * | 2018-12-13 | 2019-04-19 | 湖南普信工程技术有限公司 | A kind of air-supply generator set controller based on LPC1788 |
-
2005
- 2005-12-19 CN CN 200520120290 patent/CN2919095Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101571309B (en) * | 2009-05-11 | 2011-04-20 | 杭州共远科技有限公司 | System for remote monitoring and control of air conditioner |
| CN104633863A (en) * | 2015-02-04 | 2015-05-20 | 无锡市同舟电子实业有限公司 | Central air conditioner control method based on self-tuning discrete PID algorithm |
| CN104633863B (en) * | 2015-02-04 | 2017-06-09 | 无锡市同舟电子实业有限公司 | A kind of central air-conditioner control method based on the discrete pid algorithm of Self-tuning System |
| CN108489002A (en) * | 2018-03-14 | 2018-09-04 | 郑州工程技术学院 | A kind of indoor temperature adjusting system and method based on computer control |
| CN108489002B (en) * | 2018-03-14 | 2020-04-28 | 郑州工程技术学院 | Indoor temperature adjusting system and method based on computer control |
| CN109654706A (en) * | 2018-12-13 | 2019-04-19 | 湖南普信工程技术有限公司 | A kind of air-supply generator set controller based on LPC1788 |
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| 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: 20070704 Termination date: 20121219 |