CN205505306U - Central air conditioning pump variable frequency energy -saving control system and central air conditioning - Google Patents

Central air conditioning pump variable frequency energy -saving control system and central air conditioning Download PDF

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Publication number
CN205505306U
CN205505306U CN201620281606.1U CN201620281606U CN205505306U CN 205505306 U CN205505306 U CN 205505306U CN 201620281606 U CN201620281606 U CN 201620281606U CN 205505306 U CN205505306 U CN 205505306U
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China
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water
central air
cooling
control system
saving control
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Expired - Fee Related
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CN201620281606.1U
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Chinese (zh)
Inventor
曾其勇
王春水
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China Merchants Property Management Ltd
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China Merchants Property Management Ltd
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Abstract

The utility model provides a central air conditioning pump variable frequency energy -saving control system, it includes cooling tower, cooling pump, refrigeration host, water knockout drum, water collector and freezing pump, wherein be provided with cooling water water supply temperature sensor on the first cooling tube, be provided with cooling water return water temperature sensor on the second cooling tube, be provided with refrigerated water water supply temperature sensor on the first cryovial, be provided with refrigerated water return water temperature sensor on the second cryovial. The utility model provides a central air conditioning, the utility model discloses a central air conditioning pump variable frequency energy -saving control system and central air conditioning by freezing water water supply temperature sensor, cooling water return water temperature sensor, refrigerated water water supply temperature sensor and refrigerated water water supply temperature sensor's setting has reduced the energy consumption of central air conditioning pump control system.

Description

Water pump of central air conditioner energy saving control system of frequency conversion in use and central air-conditioning
Technical field
This utility model relates to air-conditioning equipment control field, particularly relates to a kind of water pump of central air conditioner frequency conversion joint Can control system and central air-conditioning.
Background technology
Existing water pump of central air conditioner control system divides two kinds of operating conditions:
One, refrigeration host computer with power frequency operation, cooling pump and refrigerating water pump also with power frequency operation, when temperature is less than After first design temperature, refrigeration host computer is out of service;When temperature is higher than the second design temperature, refrigeration host computer Restart again with power frequency operation.
Two, during refrigeration host computer is with power frequency operation, cooling pump and refrigerating water pump are with converting operation, cooling pump VFC is carried out by Inlet and outlet water pressure reduction with refrigerating water pump.
As used the first operating condition, water pump of central air conditioner control system meeting frequent starting refrigeration host computer, energy Consume higher.
As used the second operating condition, water pump of central air conditioner control system cannot according to end load change into The dynamic adjustment of the operating power of row water pump, when passing in and out the water temperature temperature difference and being less, water pump will not run by off-load, Therefore same energy consumption is higher.
It is thus desirable to a kind of water pump of central air conditioner energy saving control system of frequency conversion in use of design and central air-conditioning can solve State the technical problem that the energy consumption of water pump of central air conditioner control system is higher.
Utility model content
This utility model embodiment provide the relatively low water pump of central air conditioner energy saving control system of frequency conversion in use of a kind of energy consumption and Central air-conditioning;The technical problem bigger to solve the energy consumption of existing water pump of central air conditioner control system.
This utility model provides a kind of water pump of central air conditioner energy saving control system of frequency conversion in use, comprising:
Cooling tower, is connected with refrigeration host computer by the first cooling tube, is used for receiving cooling water, and to cold But water is for generating cooling water backwater after water cooling;
Cooling pump, is connected with described cooling tower and described refrigeration host computer respectively by the second cooling tube, is used for Will cooling water backwater transmission extremely described refrigeration host computer;
Described refrigeration host computer, is used for using described cooling water backwater, generates chilled water and supplies water;
Water knockout drum, is connected with described refrigeration host computer by the first cryovial, provides extremely for being supplied water by chilled water Each refrigerated area;
Water collector, is connected with refrigerating water pump by the second cryovial, for collecting the cold of each described refrigerated area Freeze water backwater;And
Refrigerating water pump, is connected with described refrigeration host computer by the second cryovial, for being passed by described chilled water backwater Transport to described refrigeration host computer;
Cooling water supply temperature sensor it is provided with, on described second cooling tube on wherein said first cooling tube It is provided with cooling water return water temperature sensor, described first cryovial is provided with chilled water supply water temperature sensing Device, described second cryovial is provided with chilled water return water temperature sensor.
In water pump of central air conditioner energy saving control system of frequency conversion in use described in the utility model, on described second cooling tube It is provided with municipal administration and send water water inlet.
In water pump of central air conditioner energy saving control system of frequency conversion in use described in the utility model, described first cryovial and It is provided with between described second cryovial for maintaining described chilled water backwater and described chilled water water supply balance Bypass valve.
In water pump of central air conditioner energy saving control system of frequency conversion in use described in the utility model, described water pump of central air conditioner Energy saving control system of frequency conversion in use includes cooling tower described at least two.
In water pump of central air conditioner energy saving control system of frequency conversion in use described in the utility model, described water pump of central air conditioner Energy saving control system of frequency conversion in use includes cooling pump described at least two.
In water pump of central air conditioner energy saving control system of frequency conversion in use described in the utility model, described water pump of central air conditioner Energy saving control system of frequency conversion in use includes refrigeration host computer described at least two.
In water pump of central air conditioner energy saving control system of frequency conversion in use described in the utility model, described water pump of central air conditioner Energy saving control system of frequency conversion in use includes refrigerating water pump described at least two.
In water pump of central air conditioner energy saving control system of frequency conversion in use described in the utility model, the control of described cooling pump Device is connected with described cooling water return water temperature sensor with described cooling water supply temperature sensor respectively.
In water pump of central air conditioner energy saving control system of frequency conversion in use described in the utility model, the control of described refrigerating water pump Device is connected with described chilled water return water temperature sensor with described chilled water supply water temperature sensor respectively.
This utility model also provides for a kind of central hollow using above-mentioned water pump of central air conditioner energy saving control system of frequency conversion in use Adjust.
Compared to the water pump of central air conditioner control system of prior art, water pump of central air conditioner of the present utility model becomes Frequently energy-saving control system and central air-conditioning are sensed by cooling water supply temperature sensor, cooling water return water temperature Device, chilled water supply water temperature sensor and the setting of chilled water supply water temperature sensor, reduce central hollow The energy consumption of water transfer pump control system;Solve the skill that the energy consumption of existing water pump of central air conditioner control system is bigger Art problem.
Accompanying drawing explanation
Fig. 1 is the structure of the preferred embodiment of water pump of central air conditioner energy saving control system of frequency conversion in use of the present utility model Schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technical side in this utility model embodiment Case is clearly and completely described, it is clear that described embodiment is only that this utility model part is real Execute example rather than whole embodiments.Based on the embodiment in this utility model, those skilled in the art exist Do not make the every other embodiment obtained under creative work premise, broadly fall into this utility model protection Scope.
This utility model provides a kind of water pump of central air conditioner energy saving control system of frequency conversion in use, refer to Fig. 1, Fig. 1 Structural representation for the preferred embodiment of water pump of central air conditioner energy saving control system of frequency conversion in use of the present utility model. This water pump of central air conditioner control system 10 includes 102, two refrigeration of 101, two cooling pumps of two cooling towers Main frame 103, water knockout drum 104, water collector 105 and two refrigerating water pumps 106.
Cooling tower 101 is connected with refrigeration host computer 103 by the first cooling tube 107, is used for receiving cooling water and supplies Water, and to generating cooling water backwater after cooling water cooling;Cooling pump 102 is by the second cooling tube 108 It is connected with cooling tower 101 and refrigeration host computer 103 respectively, for cooling water backwater is transmitted to refrigeration host computer 103;Refrigeration host computer 103 is used for using cooling water backwater, generates chilled water and supplies water;Water knockout drum 104 is by the One cryovial 111 is connected with refrigeration host computer 103, provides to each refrigerated area for being supplied water by chilled water; Water collector 105 is connected with refrigerating water pump 106 by the second cryovial 113, for collecting each refrigerated area Chilled water backwater;Refrigerating water pump 106 is connected with refrigeration host computer 103 by the second cryovial 113, for by cold Freeze water backwater to transmit to refrigeration host computer 103.Owing to there being 101, two cooling pumps of two cooling towers 102, two Refrigeration host computer 103 and two refrigerating water pumps 106, the most above-mentioned parts all can be realized continuously by the using and the reserved Disconnected work.
Wherein it is provided with cooling water supply temperature sensor 108, the second cooling tube 109 on the first cooling tube 107 On be provided with cooling water return water temperature sensor 110, the first cryovial 111 is provided with chilled water for water temperature Degree sensor 112, the second cryovial 113 is provided with chilled water return water temperature sensor 114.
Preferably, the second cooling tube 109 is provided with municipal administration and send water water inlet 115.
Preferably, it is provided with for maintaining chilled water to return between the first cryovial 111 and the second cryovial 113 The bypass valve 116 of water and chilled water water supply balance.
Preferably, the controller (not shown) of cooling pump 102 senses with cooling water supply temperature respectively Device 108 is connected 110 with cooling water return water temperature sensor.
Preferably, the controller (not shown) of refrigerating water pump 106 senses with chilled water supply water temperature respectively Device 112 is connected with chilled water return water temperature sensor 114.
When the water pump of central air conditioner energy saving control system of frequency conversion in use 10 of this preferred embodiment uses, cooling tower 101 The cooling water of the high temperature that refrigeration host computer 103 produces is received by the first cooling tube 107, and to cooling water Water supply carries out cooling process, generates the cooling water backwater of low temperature.
The cooling water backwater that cooling tower 101 produces subsequently passes through the second cooling tube under the effect of cooling pump 102 108 transmission are to refrigeration host computer 103, and refrigeration host computer 103 uses the cooling water backwater of low temperature to enter chilled water backwater Row cooling, the chilled water generating low temperature supplies water and the cooling water of high temperature.
Then the chilled water of low temperature is supplied water and is transmitted to water knockout drum 104 by the first cryovial 111, thus by cold Freeze art and supply water offer to each refrigerated area;Water collector 105 collects high temperature cold of each refrigerated area simultaneously Freeze water backwater, and transmitted to refrigeration host computer 103 by the second cryovial 113 under the effect of refrigerating water pump 106.
When cooling pump 102 transmission cooling water, the controller of cooling pump 102 can receive the first cooling tube 107 On the cooling water supply temperature of cooling water supply temperature sensor 108 detection, and the second cooling tube 109 On cooling water return water temperature sensor 110 detection cooling water return water temperature.The controller of cooling pump 102 Cooling water supply temperature and the temperature approach of cooling water return water temperature can be calculated, then according to temperature approach to cooling The rotating speed of pump is adjusted, particularly as follows: as temperature approach is relatively big, then the heat that the freezing unit of explanation produces is big, The rotating speed of cooling pump 102 should be improved, strengthen the circulation rate of cooling water;As temperature approach is less, then illustrate cold The heat freezing unit generation is less, then can reduce the rotating speed of cooling pump 102, slows down the circulation rate of cooling water, With saves energy.
When refrigerating water pump 106 transmits chilled water, the controller of refrigerating water pump 106 can receive the first cryovial 111 On the chilled water supply water temperature of chilled water supply water temperature sensor 112 detection, and the second cryovial 113 On chilled water return water temperature sensor 114 detection chilled water return water temperature.The controller of refrigerating water pump 106 Chilled water supply water temperature and the temperature approach of chilled water return water temperature can be calculated, then according to temperature approach to cold The rotating speed freezing pump 106 is adjusted, particularly as follows: as temperature approach is relatively big, then explanation indoor temperature is higher, should Improve the rotating speed of refrigerating water pump 106, accelerate circulation rate and the flow of chilled water, accelerate the speed of heat exchange; As temperature approach is less, then explanation indoor temperature is low, it is possible to decrease the rotating speed of refrigerating water pump 106, slows down chilled water Circulation rate and flow, slow down the speed of heat exchange, with saves energy.
The energy-saving air central water pump the most i.e. completing this preferred embodiment controls system, and the water pump of 10 controlled Journey.
Preferably, the water pump of central air conditioner energy saving control system of frequency conversion in use 10 of this preferred embodiment is also by municipal administration Send water water inlet 115 to supplement new water.
Preferably, between the first cryovial 111 and the second cryovial 113, bypass valve is set, can be preferable The hydraulic pressure preventing the first cryovial 111 or the second cryovial 113 is excessive, maintains chilled water backwater and chilled water The hydraulic balance supplied water.
This utility model also provides for a kind of central hollow using above-mentioned water pump of central air conditioner energy saving control system of frequency conversion in use Adjusting, the specific works principle of this central air-conditioning is excellent with above-mentioned water pump of central air conditioner energy saving control system of frequency conversion in use Select the description in embodiment same or similar, specifically refer to above-mentioned water pump of central air conditioner energy-saving and frequency-variable and control system Associated description in the preferred embodiment of system.
Water pump of central air conditioner energy saving control system of frequency conversion in use of the present utility model and central air-conditioning pass through cooling water Temperature sensor, cooling water return water temperature sensor, chilled water supply water temperature sensor and chilled water supply water The setting of temperature sensor, reduces the energy consumption of water pump of central air conditioner control system;Solve existing central authorities The technical problem that the energy consumption of water pump of air conditioner control system is bigger.
In sum, although this utility model is disclosed above with preferred embodiment, but above preferred embodiment And be not used to limit this utility model, those of ordinary skill in the art, without departing from essence of the present utility model In god and scope, all can make various change and retouching, protection domain the most of the present utility model is with claim Define in the range of standard.

Claims (10)

1. a water pump of central air conditioner energy saving control system of frequency conversion in use, it is characterised in that including:
Cooling tower, is connected with refrigeration host computer by the first cooling tube, is used for receiving cooling water, and to cold But water is for generating cooling water backwater after water cooling;
Cooling pump, is connected with described cooling tower and described refrigeration host computer respectively by the second cooling tube, is used for Will cooling water backwater transmission extremely described refrigeration host computer;
Described refrigeration host computer, is used for using described cooling water backwater, generates chilled water and supplies water;
Water knockout drum, is connected with described refrigeration host computer by the first cryovial, provides extremely for being supplied water by chilled water Each refrigerated area;
Water collector, is connected with refrigerating water pump by the second cryovial, for collecting the cold of each described refrigerated area Freeze water backwater;And
Refrigerating water pump, is connected with described refrigeration host computer by the second cryovial, for being passed by described chilled water backwater Transport to described refrigeration host computer;
Cooling water supply temperature sensor it is provided with, on described second cooling tube on wherein said first cooling tube It is provided with cooling water return water temperature sensor, described first cryovial is provided with chilled water supply water temperature sensing Device, described second cryovial is provided with chilled water return water temperature sensor.
Water pump of central air conditioner energy saving control system of frequency conversion in use the most according to claim 1, it is characterised in that It is provided with municipal administration on described second cooling tube and send water water inlet.
Water pump of central air conditioner energy saving control system of frequency conversion in use the most according to claim 1, it is characterised in that It is provided with between described first cryovial and described second cryovial for maintaining described chilled water backwater and described The bypass valve of chilled water water supply balance.
Water pump of central air conditioner energy saving control system of frequency conversion in use the most according to claim 1, it is characterised in that Described water pump of central air conditioner energy saving control system of frequency conversion in use includes cooling tower described at least two.
Water pump of central air conditioner energy saving control system of frequency conversion in use the most according to claim 1, it is characterised in that Described water pump of central air conditioner energy saving control system of frequency conversion in use includes cooling pump described at least two.
Water pump of central air conditioner energy saving control system of frequency conversion in use the most according to claim 1, it is characterised in that Described water pump of central air conditioner energy saving control system of frequency conversion in use includes refrigeration host computer described at least two.
Water pump of central air conditioner energy saving control system of frequency conversion in use the most according to claim 1, it is characterised in that Described water pump of central air conditioner energy saving control system of frequency conversion in use includes refrigerating water pump described at least two.
Water pump of central air conditioner energy saving control system of frequency conversion in use the most according to claim 1, it is characterised in that The controller of described cooling pump respectively with described cooling water supply temperature sensor and described cooling water return water temperature Sensor connects.
Water pump of central air conditioner energy saving control system of frequency conversion in use the most according to claim 1, it is characterised in that The controller of described refrigerating water pump respectively with described chilled water supply water temperature sensor and described chilled water return water temperature Sensor connects.
10. one kind uses described water pump of central air conditioner energy saving control system of frequency conversion in use arbitrary in claim 1-9 Central air-conditioning.
CN201620281606.1U 2016-04-07 2016-04-07 Central air conditioning pump variable frequency energy -saving control system and central air conditioning Expired - Fee Related CN205505306U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620281606.1U CN205505306U (en) 2016-04-07 2016-04-07 Central air conditioning pump variable frequency energy -saving control system and central air conditioning

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Application Number Priority Date Filing Date Title
CN201620281606.1U CN205505306U (en) 2016-04-07 2016-04-07 Central air conditioning pump variable frequency energy -saving control system and central air conditioning

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CN205505306U true CN205505306U (en) 2016-08-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107328059A (en) * 2017-05-27 2017-11-07 四川建源节能科技有限公司 A kind of temperature frequency conversion energy-saving system of Intelligent fresh air ventilator
CN113701321A (en) * 2021-07-20 2021-11-26 江苏联宏智慧能源股份有限公司 Energy-saving frequency conversion control method for central air-conditioning water pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107328059A (en) * 2017-05-27 2017-11-07 四川建源节能科技有限公司 A kind of temperature frequency conversion energy-saving system of Intelligent fresh air ventilator
CN113701321A (en) * 2021-07-20 2021-11-26 江苏联宏智慧能源股份有限公司 Energy-saving frequency conversion control method for central air-conditioning water pump

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160824

Termination date: 20170407

CF01 Termination of patent right due to non-payment of annual fee