CN206018927U - The efficiency control device of central air conditioner system - Google Patents
The efficiency control device of central air conditioner system Download PDFInfo
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- CN206018927U CN206018927U CN201621031523.3U CN201621031523U CN206018927U CN 206018927 U CN206018927 U CN 206018927U CN 201621031523 U CN201621031523 U CN 201621031523U CN 206018927 U CN206018927 U CN 206018927U
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- air conditioner
- central air
- conditioner system
- temperature
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Abstract
The utility model discloses a kind of efficiency control device of central air conditioner system, including gathering the first collecting unit of Outdoor Air Parameters, second collecting unit of collection indoor environment parameter, and the central air conditioner system control centre being connected with the first collecting unit and the communication of the second collecting unit；Wherein, central air conditioner system control centre includes arithmetic element of the supply water temperature with the matched curve of the ambient parameter of interior for asking for central air conditioner system by fitting formula, and the ambient parameter with reference to indoor and outdoors instantly, the performance element of the return water temperature or supply backwater temperature difference of the supply water temperature and central air conditioner system of central air conditioner system is adjusted according to matched curve.The utility model combines the indoor and outdoor surroundingses parameter of Various Seasonal, the matched curve that supply water temperature and indoor temperature and humidity are asked for by fitting formula, supply water temperature of adjustment central air conditioner system etc., under the premise of both ensureing that system is comfortable, effectively reduces the operation energy consumption of whole central air conditioner system.
Description
Technical field
The utility model is related to a kind of Air-condition system control technical field, more particularly to a kind of efficiency of central air conditioner system
Control device.
Background technology
In central air conditioner system, general refrigeration unit Cold water-out temperature is manually set by the operating personnel of operation maintenance
In a certain fixed value, and often during operation maintenance, operation personnel in order to improve refrigeration unit Energy Efficiency Ratio, using iterative method
Improve and set Cold water-out temperature, Cold water-out temperature is set by artificial raising to improve refrigeration unit evaporating temperature, so as to
Improve refrigeration host computer operational energy efficiency ratio, reducing energy consumption.But as heat and moisture in the building load whole year is to change, Various Seasonal is different
Under outdoor environmental conditions, by improving refrigeration unit Cold water-out temperature, partial building region may be caused at summer to reach
Less than design indoor temperature and humidity, by design refrigeration unit Cold water-out temperature, again can be too low due to providing in transition season
Cold water temperature, and cause the waste of operation energy consumption.
On existing market commonly use the efficiency control technology based on load prediction, for new building central air conditioner system without
Method accomplishes preferably feedback, air-conditioning system is adjusted using empirical algorithms in control program substantially.In addition, in season
And its preferably do not adopt on the feedback information of outdoor environment, the particularly temperature to zones of different Various Seasonal external environment indoors
, therefore there is some and the unmatched situation of actual motion, especially for the operation of air-conditioning system in the application of the enthalpy difference of humidity
Efficiency is unfavorable.
Utility model content
The technical problems to be solved in the utility model is, there is provided a kind of with reference to indoor and outdoor surroundingses parameter adjustment central air-conditioning
The supply water temperature of system, reaches the efficiency control device of the central air conditioner system of energy-conservation purpose.
The utility model solves the technical scheme adopted by its technical problem：A kind of efficiency of central air conditioner system is provided
Control device, including：
First collecting unit of collection Outdoor Air Parameters, the ambient parameter include temperature and/or humidity；
Second collecting unit of collection indoor environment parameter, the ambient parameter include temperature and/or humidity；And
The central air conditioner system control centre being connected with first collecting unit and the communication of the second collecting unit；
Wherein, the central air conditioner system control centre includes：
The supply water temperature of central air conditioner system and the fortune of the matched curve of the ambient parameter of interior is asked for by fitting formula
Calculate unit；And
In conjunction with the ambient parameter of indoor and outdoors instantly, according to the confession that the matched curve adjusts the central air conditioner system
The performance element of the return water temperature or supply backwater temperature difference of coolant-temperature gage and the central air conditioner system.
Preferably, first collecting unit includes outdoor temperature sensor and/or outside humidity sensor.
Preferably, second collecting unit includes indoor temperature transmitter and/or indoor humidity sensor.
Preferably, the efficiency control device also includes transmitter, and first collecting unit and the second collecting unit are distinguished
Communicated with the central air conditioner system control centre by the transmitter and be connected.
The beneficial effects of the utility model：In conjunction with the indoor and outdoor surroundingses parameter of Various Seasonal, ask for supplying by fitting formula
Coolant-temperature gage and the matched curve of indoor temperature and humidity, adjust supply water temperature of central air conditioner system etc., are both ensureing that system is comfortable
Under the premise of, effectively reduce the operation energy consumption of whole central air conditioner system.
Description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 is the schematic diagram of the efficiency control device of the central air conditioner system of one embodiment of the utility model；
Fig. 2 is the flow chart of the energy efficiency controlling method of the central air conditioner system of one embodiment of the utility model.
Specific embodiment
In order to be more clearly understood to technical characteristic of the present utility model, purpose and effect, now control accompanying drawing is detailed
Specific embodiment of the present utility model is described.
As shown in figure 1, the efficiency control device of the central air conditioner system of one embodiment of the utility model, outdoor including collection
First collecting unit 10 of ambient parameter, the second collecting unit 20 of collection indoor environment parameter and central air conditioner system control
Center 30.Central air conditioner system control centre 30 is connected with the first collecting unit 10 and the communication of the second collecting unit 20, to receive
The ambient parameter data that first collecting unit 10 and the second collecting unit 20 are collected.Indoor ambient parameter and the environment of outdoor
Parameter may each comprise temperature and/or humidity.
Central air conditioner system control centre 30 includes arithmetic element 31 and the performance element 32 for communicating connection.
Arithmetic element 31 is received from the first collecting unit 10 and the ambient parameter data of the second collecting unit 20, by intending
Close formula and ask for the supply water temperature of central air conditioner system and the matched curve of the ambient parameter of interior.
Performance element 32 combines the ambient parameter of instantly indoor ambient parameter and outdoor, according to matched curve adjustment central authorities
The supply water temperature of air-conditioning system and the return water temperature or supply backwater temperature difference of central air conditioner system.
The refrigeration unit 1, air conditioning terminal and water pump of central air conditioner system control centre 30 and central air conditioner system (is supplied
Water water pump, backwater water pump) etc. communication connection, combining environmental parameter and matched curve, generate lifted or decline temperature control
Instruct and occur to refrigeration unit 1, air conditioning terminal or water pump etc..When needing to be lifted supply backwater temperature difference, water pump is according to control instruction
Reduce running frequency, reduce flow.
The efficiency control device of the central air conditioner system also includes transmitter (not shown), the first collecting unit 10 and second
Collecting unit 20 is communicated with central air conditioner system control centre 30 by transmitter respectively and is connected；First collecting unit 10 and second
The ambient parameter data of the collection of collecting unit 20 is sent to central air conditioner system control centre 30 by transmitter.First collection is single
Unit 10 includes outdoor temperature sensor and/or outside humidity sensor, or including the temperature with temperature and humidity acquisition function
Humidity sensor；Second collecting unit 20 includes indoor temperature transmitter and/or indoor humidity sensor, or including with temperature
Degree and the Temperature Humidity Sensor of humidity collection function.
As shown in Fig. 2 realizing the efficiency control of central air conditioner system, its side by efficiency control device of the present utility model
Method is comprised the following steps：
S1, collection different periods (different periods of period and same season including Various Seasonal) indoor and outdoors
Ambient parameter, ambient parameter include temperature and/or humidity；
The matched curve of the ambient parameter of S2, the supply water temperature for asking for central air conditioner system by fitting formula and interior；
Wherein, fitting formula Y=F (etin, C), in formula, C=(C1, C2 ... Cn) is the supply water temperature of central air conditioner system,
For undetermined parameter, reflection quantity etinRelation between Y, most preferably approaches under certain condition or is fitted given data.etin：
Indoor environment parameter (temperature, humidity etc.).
Before step S2, also include：Service data in conjunction with the ambient parameter and central air conditioner system of indoor and outdoors
(including supply water temperature, return water temperature etc.), sets up energy efficiency model：E∝Q*(etout∪etin), in the hope of fitting formula.Wherein,
E：System energy efficiency, is proportional to the indoor and outdoor surroundingses parameter (temperature, humidity) of the system Various Seasonal；Q：Various Seasonal；etout：Room
External environment parameter (temperature, humidity etc.)； etin：Indoor environment parameter (temperature, humidity etc.)；∝：Proportional relation；∪ is represented simultaneously
Collection.
S3, the ambient parameter of combination indoor and outdoors instantly, according to the water supply that matched curve adjusts central air conditioner system
Temperature, and the return water temperature or supply backwater temperature difference of central air conditioner system.
Wherein, the ambient parameter of the indoor and outdoors of different periods, can ask for matched curve as historical data.
The supply water temperature and return water temperature of central air conditioner system is the Cold water-out temperature and return water temperature of refrigeration unit；
Supply backwater temperature difference is the temperature difference of supply water temperature and return water temperature.
In step s3, the setting by the Cold water-out temperature of the refrigeration unit to central air conditioner system reaches adjustment and supplies
The purpose of coolant-temperature gage.The adjustment of return water temperature is realized by adjusting the end of central air conditioner system and the changes in flow rate of water pump；
The adjustment of supply backwater temperature difference is realized by adjusting the end of central air conditioner system and the running frequency of water pump；Water pump is water supply water
Pump and/or backwater water pump.When needing to be lifted supply backwater temperature difference, water pump operation frequency reduces, and flow reduces.
In step S3, in certain embodiments：
The ring of ambient parameter (temperature and humidity) and interior of the ambient parameter (temperature and humidity) indoors less than outdoor
When border parameter is higher than preset value, reduce the supply water temperature of central air conditioner system, so that the ambient parameter of interior is down to preset value, in
The supply backwater temperature difference of centre air-conditioning system keeps constant or diminishes；Keep supply backwater temperature difference constant by correspondingly reducing central air-conditioning
The return water temperature of system is realizing.Additionally, when indoor temperature in preset value humidity higher beyond preset value when, adjustable height
The dehumidifying effect of air conditioning terminal and/or by the subsidiary air-supply arrangement air-supply of air conditioning terminal reducing humidity.
The ring of ambient parameter (temperature and humidity) and interior of the ambient parameter (temperature and humidity) indoors less than outdoor
When border parameter is less than preset value, the supply water temperature of central air conditioner system is lifted, so that the ambient parameter of interior reaches preset value, in
The supply backwater temperature difference of centre air-conditioning system is improved.Wherein, in ambient parameter, the lifting of humidity can also add by air conditioning terminal is subsidiary
Wet device humidification is realized.Ambient parameter (temperature and humidity) and room of the ambient parameter (temperature and humidity) indoors higher than outdoor
Interior ambient parameter be higher than preset value when, reduce central air conditioner system supply water temperature so that the ambient parameter of interior be down to pre-
If value, the supply backwater temperature difference of central air conditioner system keeps constant or diminishes.Wherein, the reduction of indoor humidity can be by heightening sky
Adjust the dehumidifying effect of end and/or realized by the subsidiary air-supply arrangement air-supply of air conditioning terminal.
The ring of ambient parameter (temperature and humidity) and interior of the ambient parameter (temperature and humidity) indoors higher than outdoor
When border parameter is less than preset value, the supply water temperature and supply backwater temperature difference of central air conditioner system are lifted, so that the ambient parameter of interior
Reach preset value.Wherein, the lifting of indoor humidity can also pass through the subsidiary humidifier humidifies realization of air conditioning terminal.
The efficiency control that central air conditioner system is realized by the utility model, specific embodiment are as follows：
First, during summer cooling, if outdoor weather is compared with sticky weather, passed by outdoor temperature humidity installed outdoors
Sensor is detected to humiture, by the data is activation for detecting to central air conditioner system control centre；Central air conditioner system control
The arithmetic element at center processed by comparing the outdoor temperature of different time sections, detect the ambient parameter i.e. temperature of interior normally and
When humidity is higher, to central air conditioner system in refrigeration unit assign instruction, lift the Cold water-out temperature of refrigeration unit to pre-
If temperature, in order to dehumidify to interior；For ensureing effect on moisture extraction, can also blow to dehumidify by air-supply arrangement.
If by Temperature Humidity Sensor installed outdoors detect outdoor temperature higher when, and indoor temperature and humidity is certain
Be kept in time within comfort level (preset value) region, even below comfort level scope when, central air conditioner system control in
The heart assigns the instruction for lifting supply water temperature to refrigeration unit, and changes the frequency of water supply pump, improves the confession of central air conditioner system
Backwater temperature difference.
2nd, during transition season cooling, as outdoor humiture is relatively low, the load in indoor environment is with the shape of sensible heat
Formula exist, i.e., only need corresponding cold come reduce interior temperature, humidity within comfort standard (in preset value), because
This, by the collection of Temperature Humidity Sensor installed outdoors to the ambient parameter of indoor and outdoor, central air conditioner system control centre
The instruction of supply water temperature reduction is assigned to the refrigeration unit of central air conditioner system, is intended with indoor temperature and humidity when supply water temperature reaches
When closing curve, just meet the workload demand of interior, also improve the operational energy efficiency of whole central air conditioner system.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, every
The equivalent structure that is made using the utility model specification and accompanying drawing content or equivalent flow conversion, or be directly or indirectly used in
Other related technical fields, are included in scope of patent protection of the present utility model in the same manner.
Claims (6)
1. the efficiency control device of a kind of central air conditioner system, it is characterised in that include：
First collecting unit of collection Outdoor Air Parameters, the ambient parameter include temperature and/or humidity；
Second collecting unit of collection indoor environment parameter, the ambient parameter include temperature and/or humidity；And
The central air conditioner system control centre being connected with first collecting unit and the communication of the second collecting unit；
Wherein, the central air conditioner system control centre includes：
The supply water temperature of central air conditioner system and the computing list of the matched curve of the ambient parameter of interior is asked for by fitting formula
Unit；And
In conjunction with the ambient parameter of indoor and outdoors instantly, according to the confession water temperature that the matched curve adjusts the central air conditioner system
The performance element of the return water temperature or supply backwater temperature difference of degree and the central air conditioner system.
2. the efficiency control device of central air conditioner system according to claim 1, it is characterised in that first collection is single
Unit includes outdoor temperature sensor and/or outside humidity sensor.
3. the efficiency control device of central air conditioner system according to claim 1, it is characterised in that first collection is single
Unit includes the Temperature Humidity Sensor with temperature and humidity acquisition function.
4. the efficiency control device of central air conditioner system according to claim 1, it is characterised in that second collection is single
Unit includes indoor temperature transmitter and/or indoor humidity sensor.
5. the efficiency control device of central air conditioner system according to claim 1, it is characterised in that second collection is single
Unit includes the Temperature Humidity Sensor with temperature and humidity acquisition function.
6. the efficiency control device of the central air conditioner system according to any one of claim 1-5, it is characterised in that the efficiency
Control device also includes transmitter, first collecting unit and the second collecting unit respectively by the transmitter with described in
The communication connection of centre Air-condition system control center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621031523.3U CN206018927U (en) | 2016-08-31 | 2016-08-31 | The efficiency control device of central air conditioner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621031523.3U CN206018927U (en) | 2016-08-31 | 2016-08-31 | The efficiency control device of central air conditioner system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206018927U true CN206018927U (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621031523.3U Expired - Fee Related CN206018927U (en) | 2016-08-31 | 2016-08-31 | The efficiency control device of central air conditioner system |
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| CN (1) | CN206018927U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196515A (en) * | 2016-08-31 | 2016-12-07 | 深圳达实智能股份有限公司 | The energy efficiency controlling method of central air conditioner system and device |
| CN109556241A (en) * | 2018-09-29 | 2019-04-02 | 青岛海尔空调电子有限公司 | A kind of water system air-conditioner control method |
| CN117029196A (en) * | 2023-09-28 | 2023-11-10 | 广东精冷源建设有限公司 | Intelligent energy-saving variable frequency control method, system and storage medium for central air conditioner |
-
2016
- 2016-08-31 CN CN201621031523.3U patent/CN206018927U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196515A (en) * | 2016-08-31 | 2016-12-07 | 深圳达实智能股份有限公司 | The energy efficiency controlling method of central air conditioner system and device |
| CN109556241A (en) * | 2018-09-29 | 2019-04-02 | 青岛海尔空调电子有限公司 | A kind of water system air-conditioner control method |
| CN109556241B (en) * | 2018-09-29 | 2021-05-25 | 青岛海尔空调电子有限公司 | Water system air conditioner control method |
| CN117029196A (en) * | 2023-09-28 | 2023-11-10 | 广东精冷源建设有限公司 | Intelligent energy-saving variable frequency control method, system and storage medium for central air conditioner |
| CN117029196B (en) * | 2023-09-28 | 2024-01-02 | 广东精冷源建设有限公司 | Intelligent energy-saving variable frequency control method, system and storage medium for central air conditioner |
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| 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: 20170315 Termination date: 20180831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |