CN203024338U - Energy-saving control device of central air conditioner and central air conditioner - Google Patents

Energy-saving control device of central air conditioner and central air conditioner Download PDF

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Publication number
CN203024338U
CN203024338U CN 201220726901 CN201220726901U CN203024338U CN 203024338 U CN203024338 U CN 203024338U CN 201220726901 CN201220726901 CN 201220726901 CN 201220726901 U CN201220726901 U CN 201220726901U CN 203024338 U CN203024338 U CN 203024338U
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China
Prior art keywords
central air
air conditioner
conditioning
control device
saving control
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Expired - Fee Related
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CN 201220726901
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Chinese (zh)
Inventor
肖玉海
肖玉龙
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Individual
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Individual
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Abstract

The utility model provides an energy-saving control device of a central air conditioner. The energy-saving control device of the central air conditioner comprises a central air conditioner operating parameter collecting device, a controller and a frequency converter, wherein the input end of the controller is connected with the output end of the central air conditioner operating parameter collecting device, the output end of the controller is connected with the input end of the frequency converter, and the output end of the frequency converter is connected to a power plant of the central air conditioner which needs to be adjusted. The energy saving control device of central air conditioner can automatically adjust flow rates of a cooling water pump unit, a frozen water pump unit or a cooling tower fan according to the load of the central air conditioner, so that the central air conditioner can work in a best working state, and a purpose of energy saving is achieved.

Description

Central air conditioner energy-saving control device and central air-conditioning
Technical field
The utility model relates to a kind of energy-saving control device, is specifically related to a kind of central air conditioner energy-saving control device and central air-conditioning.
Background technology
Along with developing rapidly of urbanization process, the central air-conditioning that uses in building is more and more.At present, the energy consumption of central air-conditioning accounts for more than 40% of whole building.Therefore, how to take effective measures, central air-conditioning is carried out Energy Saving Control, thereby the energy consumption that reduces central air-conditioning has larger development space.
In prior art, central air-conditioning mainly is comprised of refrigeration machine, cooling water recirculation system and the chilled water circulatory system etc.When central air-conditioning designs, for guaranteeing in the situation that the weather temperature is the highest can meet consumers' demand, usually design and exist the affluence amount of 15% left and right according to peak load, therefore, during every day use, central air-conditioning can not reach running at full capacity, and cooling water pump unit and chilled water pump unit are the firm discharge mode of operation by the design maximum flow set, cause thus flow and the central air-conditioning load of cooling water pump unit and chilled water pump unit not to mate, caused the great wasting of resources.
The utility model content
Defective for the prior art existence, the utility model provides a kind of central air conditioner energy-saving control device and central air-conditioning, can automatically adjust according to the load of central air-conditioning the flow of cooling water pump unit, chilled water pump unit or blower fan of cooling tower, thereby central air-conditioning is run under optimum Working, reach the purpose of energy savings.
The technical solution adopted in the utility model is as follows:
The utility model provides a kind of central air conditioner energy-saving control device, comprises central air-conditioning operational factor collecting device, controller and frequency converter; The input of described controller is connected with the output of described central air-conditioning operational factor collecting device; The output of described controller is connected with the input of described frequency converter; The output of described frequency converter is connected to the power set of central air-conditioning to be adjusted.
Preferably, described central air-conditioning operational factor collecting device comprises flowmeter and/or differential pressure pickup and/or temperature sensor.
Preferably, described flowmeter is arranged on one or more in upper/lower positions: cooling water intake position, cooling water outlet position, chilled water water inlet position, chilled water delivery port position and blower fan of cooling tower air outlet position;
Described temperature sensor is arranged in the external environment condition at described cooling water intake position, described cooling water outlet position, described chilled water water inlet position, described chilled water delivery port position, blower fan of cooling tower air outlet position and described central air-conditioning place;
Described differential pressure pickup is arranged on one or more in upper/lower positions: between described cooling water intake and described cooling water outlet, between described chilled water water inlet and described chilled water delivery port.
Preferably, the power set of described central air-conditioning comprise one or more in following equipment: cooling water pump unit, chilled water pump unit and blower fan of cooling tower.
The utility model also provides a kind of central air-conditioning, comprises above-mentioned central air conditioner energy-saving control device.
The beneficial effects of the utility model are as follows:
The central air conditioner energy-saving control device that the utility model provides and central air-conditioning, can automatically adjust according to the load of central air-conditioning the flow of cooling water pump unit, chilled water pump unit or blower fan of cooling tower, thereby central air-conditioning is run under optimum Working, reach the purpose of energy savings.
Description of drawings
The structural representation of the central air conditioner energy-saving control device that Fig. 1 provides for the utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated:
As shown in Figure 1, the utility model provides a kind of central air conditioner energy-saving control device, comprises central air-conditioning operational factor collecting device, controller and frequency converter; The input of described controller is connected with the output of described central air-conditioning operational factor collecting device; The output of described controller is connected with the input of described frequency converter; The output of described frequency converter is connected to the power set of central air-conditioning to be adjusted.Wherein, the power set of central air-conditioning include but not limited to one or more in following equipment: cooling water pump unit, chilled water pump unit and blower fan of cooling tower.Central air-conditioning operational factor collecting device comprises flowmeter and/or differential pressure pickup and/or temperature sensor.Flowmeter is arranged on one or more in upper/lower positions: cooling water intake position, cooling water outlet position, chilled water water inlet position, chilled water delivery port position and blower fan of cooling tower air outlet position; Described temperature sensor is arranged in the external environment condition at described cooling water intake position, described cooling water outlet position, described chilled water water inlet position, described chilled water delivery port position, blower fan of cooling tower air outlet position and described central air-conditioning place; Described differential pressure pickup is arranged on one or more in upper/lower positions: between described cooling water intake and described cooling water outlet, between described chilled water water inlet and described chilled water delivery port.
The utility model also provides a kind of central air-conditioning, comprises above-mentioned central air conditioner energy-saving control device.
The operation principle of the central air conditioner energy-saving control device that the utility model provides is:
(1) in the central air-conditioning running, the current operational factor of central air-conditioning operational factor collecting device Real-time Collection central air-conditioning, and the current operational factor of the central air-conditioning that collects is uploaded to controller;
Wherein, the current operational factor of central air-conditioning operational factor collecting device Real-time Collection central air-conditioning specifically comprises following parameter:
Flowmeter gathers cooling water flow of inlet water, cooling water water flow, chilled water flow of inlet water, chilled water water flow and blower fan of cooling tower air-out flow;
Temperature sensor peace gathers the ambient temperature at cooling water leaving water temperature, cold in-water temperature, chilled water leaving water temperature, chilled water inflow temperature, blower fan of cooling tower leaving air temp and central air-conditioning place;
Differential pressure pickup gathers the pressure differential of pressure differential, chilled water water inlet and the delivery port of cooling water intake and delivery port;
(2) controller receives the current operational factor of all kinds of central air-conditioning, then obtain history data, calculate the required optimal processing parameter value of end central air-conditioning load according to FUZZY ALGORITHMS FOR CONTROL, then compare optimal processing parameter value and the current operational factor of central air-conditioning, obtain deviate;
(3) controller generates corresponding controlled quentity controlled variable according to deviate, then send control signal to frequency converter, adjust the rotating speed of cooling water pump unit, chilled water pump unit and blower fan of cooling tower by frequency converter, and then central air-conditioning is operated under optimum process condition, reach energy-conservation purpose.
In sum, the central air conditioner energy-saving control device that the utility model provides and central air-conditioning, can automatically adjust according to the load of central air-conditioning the rotating speed of cooling water pump unit, chilled water pump unit or blower fan of cooling tower, and then adjusted the flow of cooling water pump unit, chilled water pump unit or blower fan of cooling tower, thereby central air-conditioning is run under optimum Working, reach the purpose of energy savings.
The above is only preferred embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be looked protection domain of the present utility model.

Claims (5)

1. a central air conditioner energy-saving control device, is characterized in that, comprises central air-conditioning operational factor collecting device, controller and frequency converter; The input of described controller is connected with the output of described central air-conditioning operational factor collecting device; The output of described controller is connected with the input of described frequency converter; The output of described frequency converter is connected to the power set of central air-conditioning to be adjusted.
2. central air conditioner energy-saving control device according to claim 1, is characterized in that, described central air-conditioning operational factor collecting device comprises flowmeter and/or differential pressure pickup and/or temperature sensor.
3. central air conditioner energy-saving control device according to claim 2, it is characterized in that, described flowmeter is arranged on one or more in upper/lower positions: cooling water intake position, cooling water outlet position, chilled water water inlet position, chilled water delivery port position and blower fan of cooling tower air outlet position;
Described temperature sensor is arranged in the external environment condition at described cooling water intake position, described cooling water outlet position, described chilled water water inlet position, described chilled water delivery port position, blower fan of cooling tower air outlet position and described central air-conditioning place;
Described differential pressure pickup is arranged on one or more in upper/lower positions: between described cooling water intake and described cooling water outlet, between described chilled water water inlet and described chilled water delivery port.
4. central air conditioner energy-saving control device according to claim 1, is characterized in that, the power set of described central air-conditioning comprise one or more in following equipment: cooling water pump unit, chilled water pump unit and blower fan of cooling tower.
5. a central air-conditioning, is characterized in that, comprises the described central air conditioner energy-saving control device of claim 1-4 any one.
CN 201220726901 2012-12-25 2012-12-25 Energy-saving control device of central air conditioner and central air conditioner Expired - Fee Related CN203024338U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220726901 CN203024338U (en) 2012-12-25 2012-12-25 Energy-saving control device of central air conditioner and central air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220726901 CN203024338U (en) 2012-12-25 2012-12-25 Energy-saving control device of central air conditioner and central air conditioner

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CN203024338U true CN203024338U (en) 2013-06-26

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104534917A (en) * 2014-12-24 2015-04-22 深圳孚沃德斯科技有限公司 Energy-saving control device and method for closed cooling circulation system
CN105066342A (en) * 2015-07-31 2015-11-18 新智能源系统控制有限责任公司 Variable-flow control system applicable to primary pump system of air conditioner
CN112628888A (en) * 2020-04-03 2021-04-09 中山职业技术学院 Hotel central air-conditioning energy-saving system based on wireless

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104534917A (en) * 2014-12-24 2015-04-22 深圳孚沃德斯科技有限公司 Energy-saving control device and method for closed cooling circulation system
CN105066342A (en) * 2015-07-31 2015-11-18 新智能源系统控制有限责任公司 Variable-flow control system applicable to primary pump system of air conditioner
CN105066342B (en) * 2015-07-31 2017-10-20 新智能源系统控制有限责任公司 Suitable for the vari- able flow control system of air-conditioning Variable flow system
CN112628888A (en) * 2020-04-03 2021-04-09 中山职业技术学院 Hotel central air-conditioning energy-saving system based on wireless
CN112628888B (en) * 2020-04-03 2021-09-10 中山职业技术学院 Hotel central air-conditioning energy-saving system based on wireless

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Beijing Haili Electric Technology Co., Ltd.

Assignor: Xiao Yuhai|Xiao Yulong

Contract record no.: 2015990000117

Denomination of utility model: Energy-saving control device of central air conditioner and central air conditioner

Granted publication date: 20130626

License type: Exclusive License

Record date: 20150323

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130626

Termination date: 20151225

EXPY Termination of patent right or utility model