CN206398943U - Heat recovery system of air conditioning unit - Google Patents
Heat recovery system of air conditioning unit Download PDFInfo
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- CN206398943U CN206398943U CN201621399399.6U CN201621399399U CN206398943U CN 206398943 U CN206398943 U CN 206398943U CN 201621399399 U CN201621399399 U CN 201621399399U CN 206398943 U CN206398943 U CN 206398943U
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- recovery system
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- 238000011084 recovery Methods 0.000 title claims abstract description 42
- 238000004378 air conditioning Methods 0.000 title abstract 3
- 239000003507 refrigerant Substances 0.000 claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 238000001514 detection method Methods 0.000 claims abstract description 36
- 239000012530 fluid Substances 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The utility model provides an air conditioning unit heat recovery system, the gas outlet of a compressor, a heat recovery device, a condenser, an evaporator and the air suction port of the compressor are connected in sequence through pipelines to form a refrigerant loop, wherein, a heat recovery bypass is provided with a first flow control device; the heat recovery device is used for recovering heat exchange between heat carried by the refrigerant and water, and a temperature sensor temperature detection device is arranged on the heat recovery device; the first flow rate control device can adjust the flow rate of the fluid flowing through the first flow rate control device according to the temperature detected by the temperature sensor temperature detection device. According to the heat recovery system of the air conditioning unit, the high-temperature high-pressure refrigerant generated by compression of the compressor is recovered by the heat recovery device to prepare hot water, the heat recovery bypass is arranged in parallel with the heat recovery device, the high-temperature high-pressure refrigerant can be shunted according to the temperature of the prepared hot water, and the temperature of the hot water prepared by the recovered heat is more stable.
Description
Technical field
The utility model is related to air conditioner technical field, more particularly to a kind of air-conditioner set heat recovery system.
Background technology
Air-conditioner set is in process of refrigerastion, and condensation heat therein is used by way of recovery, for example, prepare hot water
For users to use.Traditional, the high-temperature high-pressure refrigerant of air-conditioner set exchanges heat in heat reclamation device with water, in heat reclamation device
It is middle to generate hot water for users to use, but often temperature is too high or temperature is unstable for the hot water water temperature generated in heat reclamation device
Fixed, the normal of influence user is used.
Utility model content
Based on this, it is necessary to which the hot water temperature generated for air-conditioner set heat recovery system is too high or temperature is unstable asks
There is provided a kind of air-conditioner set heat recovery system for topic.
The utility model provides a kind of air-conditioner set heat recovery system, including compressor, heat reclamation device, condenser and
Evaporator, the gas outlet of the compressor, heat reclamation device, condenser, the air entry of evaporator and compressor are passed sequentially through
Pipeline connects and composes refrigerant loop,
Wherein, the air-conditioner set heat recovery system also includes recuperation of heat bypass, and the recuperation of heat bypass is returned with the heat
Receiving apparatus is arranged in parallel, and the recuperation of heat bypass is provided with first flow control device;
The heat reclamation device is used for the heat for reclaiming refrigerant carrying, and the heat reclamation device is filled provided with temperature detection
Put;
The first flow control device can flow through its stream according to the adjustment of the detection temperature of the temperature-detecting device
The flow of body.
In one of the embodiments, the pipeline with the inlet communication of the heat reclamation device is controlled provided with second flow
Device.
In one of the embodiments, the air-conditioner set heat recovery system includes control mainboard, the first flow control
Device processed, the second flow control device and the temperature-detecting device are communicated to connect with the control mainboard.
In one of the embodiments, the bottom of the heat reclamation device is provided with liquid refrigerant outlet, the liquid system
Cryogen outlet is connected by pipeline with the entrance of the evaporator.
In one of the embodiments, the first flow control device include butterfly valve and magnetic valve, the butterfly valve with
And the magnetic valve is arranged in series in the recuperation of heat bypass.
In one of the embodiments, the heat reclamation device includes shell and tube exchanger, the shell and tube exchanger
The circulation of refrigerant and water is respectively used in shell side and tube side, the refrigerant is realized in shell and tube exchanger with water and changed
Heat, the temperature-detecting device is arranged on the outlet pipe of the shell and tube exchanger.
In one of the embodiments, connected between the water inlet pipe and outlet pipe of the heat reclamation device by adjusting pipeline
It is logical, it is provided with the 3rd volume control device on the regulation pipeline.
In one of the embodiments, the pipeline between the compressor and the heat reclamation device is separated provided with oil
Device.
Above-mentioned air-conditioner set heat recovery system, the high-temperature high-pressure refrigerant that compressor compresses are produced is reclaimed through heat reclamation device
Heat therein is used to prepare hot water, and recuperation of heat bypass has been arranged in parallel with heat reclamation device, can be according to the hot water temperature of preparation
Degree is shunted to high-temperature high-pressure refrigerant, the water temperature of the hot water prepared using the heat reclaimed is more stablized.
Brief description of the drawings
, below will be to institute in embodiment in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only described in the utility model
Some embodiments, for those of ordinary skill in the art, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model air-conditioner set heat recovery system preferred embodiment structural representation;
Fig. 2 is its control method preferred embodiment FB(flow block) of air-conditioner set heat recovery system;
Fig. 3 is another preferred embodiment FB(flow block) of its control method of air-conditioner set heat recovery system.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, by the following examples, and tie
Accompanying drawing is closed, air-conditioner set heat recovery system of the present utility model is further elaborated.It should be appreciated that described herein
Specific embodiment only explaining the utility model, be not used to limit the utility model.
Refer to shown in Fig. 1, air-conditioner set heat recovery system of the present utility model include compressor 10, oil eliminator 20,
Heat reclamation device 30, condenser and evaporator 60, wherein, the gas outlet of compressor 10, oil eliminator 20, heat reclamation device
30th, the air entry of condenser, evaporator 60 and compressor 10 passes sequentially through pipeline and connects and composes refrigerant loop.
Wherein, condenser is used for the condensation of refrigerant, for example, can be fin condenser.It is preferred that, condenser also includes
Blower fan, blower fan is due to fin condenser wind-cooling heat dissipating.Condenser is cold including the first condenser 51 and second in the present embodiment
Condenser 52, the first condenser 51 and the second condenser 52 can be according to its work shapes of the status adjustment of the refrigerant flowed through in it
State.For example, when flow through the refrigerant temperature in it is higher when, increase blower fan rotating speed.And for example, when flowing through the refrigerant temperature in it
When spending relatively low, the rotating speed of blower fan can be reduced or the second condenser 52 is closed, make the refrigerant of refrigerant loop only by first
Condenser 51 carries out condensation radiating.
As a kind of optional embodiment, condenser can be disposed in the outdoor the heat exchanger in machine, system for air-conditioner set
Cryogen condenses radiating in condenser.
As a kind of optional embodiment, evaporator 60 can be disposed in the interior the heat exchanger of machine, system for air-conditioner set
Cryogen evaporation endothermic in evaporator 60, reduces indoor temperature.
Wherein, heat reclamation device 30 can be shell and tube exchanger or other can realize refrigerant carry
In the device of heat recovery, such as heat exchanger and water condenser being arranged in parallel, the utility model by taking shell and tube exchanger as an example
The working condition of the utility model air-conditioner set heat recovery system is described in detail, when the heat reclamation device 30 using other structures
When, specific implementation process is similar to shell and tube exchanger, is not repeating herein.
Shell and tube exchanger is to close the wall restrained in the housing as the dividing wall type heat exchanger of heat-transfer area, heat exchange effect
Rate is high.Shell and tube exchanger is provided with refrigerant inlet, refrigerant outlet, water inlet pipe 31 and outlet pipe 32, shell and tube exchanger
Refrigerant inlet be connected with oil eliminator 20 by pipeline;The refrigerant outlet of shell and tube exchanger passes through pipeline with condenser
Connection;The water inlet pipe 31 of shell and tube exchanger is connected with water source, for example, be connected or connect with storage tank with running water pipe
Connect;The outlet pipe 32 of shell and tube exchanger is connected with storage tank, directly can also be connected with water pipe.
When the water inlet pipe 31 and outlet pipe 32 of shell and tube exchanger are connected with storage tank, storage tank also connects with water source
Logical, the water in storage tank circulate between shell and tube exchanger and storage tank, the water temperature in maintenance storage tank in preset temperature, when
User is used after the hot water in storage tank, and cold water is filled into by water source, circulating chilled water enter shell and tube exchanger be heated to it is default
Temperature is for users to use.
Temperature-detecting device is provided with shell and tube exchanger outlet pipe 32, temperature-detecting device is used to detect that shell-tube type exchanges heat
The temperature of water at device outlet pipe 32.It is preferred that, temperature-detecting device can be temperature sensor, and temperature sensor can be experienced
Temperature is simultaneously converted into usable output signal, is used as temperature-detecting device using temperature-sensitive bag in the present embodiment.
Air-conditioner set heat recovery system is additionally provided with recuperation of heat bypass, and recuperation of heat bypass is arranged in parallel with shell and tube exchanger.
Pipeline communication between the first end of recuperation of heat bypass and the refrigerant inlet and oil eliminator 20 of shell and tube exchanger, recuperation of heat
Pipeline communication between second end of bypass and the refrigerant outlet and condenser of shell and tube exchanger, sets in recuperation of heat bypass
First flow control device is equipped with, first flow control device can not only control the refrigerant flow for flowing through recuperation of heat bypass big
It is small, moreover it is possible to which that control flows through the refrigerant break-make of recuperation of heat bypass, can be accurate by controlling refrigerant flow size and break-make
The amount of the refrigerant in heat reclamation device is flowed through, reaches that accurate control reclaims the heat that refrigerant is carried using heat reclamation device
The efficiency and heat amount of amount.When using shell and tube exchanger etc. as heat reclamation device 30, often due to shell-tube type is changed
The water temperature over-high that the heat transfer effect of hot device is very good and prepares, influences the use of user, now can be by adjusting first flow control
Device, makes the refrigerant of a part of HTHP be bypassed by recuperation of heat and is circulated in refrigerant loop, it is to avoid shell-tube type exchanges heat
The hot water water temperature over-high prepared in device.
As a kind of optional embodiment, it is connected in the refrigerant inlet of shell and tube exchanger with recuperation of heat bypass first end
Pipeline between point is provided with second flow control device 34.
Water inlet pipe is provided with water inlet pipe and outlet pipe as a kind of optional embodiment heat reclamation device, and water inlet pipe is arranged on
On water inlet pipe, outlet pipe is arranged on outlet pipe, is set in water inlet pipe and outlet pipe by adjusting on pipeline communication, regulation pipeline
There is the 3rd volume control device 33, the 3rd volume control device 33 can control the stream into the water in outlet pipe from water inlet pipe 31
Amount.
Wherein first flow control device, the volume control device 33 of second flow control device 34 and the 3rd are to control
The device of the flow of refrigerant or water in tubing giving sufficient strength, the volume control device such as can be magnetic valve, butterfly valve.
As a kind of optional embodiment, air-conditioner set heat recovery system includes control mainboard (not shown), first
Volume control device, second flow control device 34, the 3rd volume control device 33 and the temperature-detecting device and control
Mainboard is communicated to connect.The data that control mainboard can be detected according to temperature-detecting device control first flow control device, second
Amount control device and the 3rd volume control device 33, to change the cold-producing medium stream for flowing through shell and tube exchanger or recuperation of heat bypass
Amount or the flow for changing the water for flowing through shell and tube exchanger, so as to be accurately controlled in recovery heat system in shell and tube exchanger
The temperature of standby hot water.
As a kind of optional embodiment, first flow control device includes butterfly valve 42 and magnetic valve 41, butterfly valve 42 with
Magnetic valve 41 coordinates jointly, can realize that high-precision control flows through the purpose of the flow of the refrigerant of recuperation of heat bypass.
As a kind of optional embodiment, liquid refrigerant outlet, liquid refrigeration are provided with the bottom of heat reclamation device 30
Agent outlet is by the pipeline communication between pipeline and condenser and evaporator 60, for the liquid that will accumulate in heat reclamation device 30
State refrigerant is back in evaporator 60, it is to avoid liquid refrigerant accumulates excessively in heat reclamation device 30, and influence refrigerant is returned
The circulation on road.For example, when heat reclamation device 30 is shell and tube exchanger, liquid refrigeration is provided with the bottom of shell and tube exchanger
Agent is exported, and the shell side or tube side that cold-producing medium stream is passed through in case tube heat exchanger are connected with refrigerant outlet, the liquid system formed wherein
Cryogen can be transported in evaporator 60 by liquid refrigerant outlet.
As a kind of optional embodiment, the entrance that liquid refrigerant outlet can also be by pipeline directly with evaporator 60
Connection.
When air-conditioner set heat recovery system is run, the refrigerant of refrigerant loop generates high temperature in compressor 10 by compression
Higher pressure refrigerant gas, high-temperature high-pressure refrigerant gas enters oil eliminator 20, and Oil-gas Separation is carried out in oil eliminator 20, is removed
The high-temperature high-pressure refrigerant gas of the refrigeration oil wherein carried is gone to bypass into condensation by heat reclamation device 30, recuperation of heat respectively
Condensed in device, evaporator 60 is entered afterwards absorbing and cooling temperature is carried out to air, returned to afterwards in compressor 10.
Wherein, high-temperature high-pressure refrigerant gas carries out heating to water therein in heat reclamation device 30 and prepares hot water, and
Hot water temperature prepared by the refrigerant flow control bypassed by regulating and controlling to flow into recuperation of heat.The bottom of heat reclamation device 30, which may collect, deposits
Refrigerant liquid refrigerant loop be discharged into by the liquid refrigerant outlet of bottom collected,
Refer to shown in Fig. 2, the utility model additionally provides the control method to air-conditioner set heat recovery system, the control
Method comprises the following steps:
S100, obtains the detection temperature of temperature-detecting device, and detection temperature is compared with preset temperature;
S210, when detection temperature is higher than preset temperature, the control device increase of control first flow flows through its fluid
Flow, performs step S100 afterwards;Wherein, the increase of control first flow device flows through the flow of its fluid including passing through first
Volume control device connects recuperation of heat bypass, and the feelings that fluid is bypassed by recuperation of heat are switched to by recuperation of heat from without fluid
Condition.
S220, when detection temperature is less than preset temperature, control first flow control device, which reduces, flows through its fluid
Flow, performs step S100 afterwards.Wherein, the increase of control first flow device flows through the flow of its fluid including passing through first
Volume control device disconnects recuperation of heat bypass, and the feelings that no fluid is bypassed by recuperation of heat are switched to from having fluid by recuperation of heat
Condition.
Wherein, first flow control device preferably includes butterfly valve 42 and magnetic valve 41, and butterfly valve 42 is connected with magnetic valve 41
It is arranged in recuperation of heat bypass, can realizes that high-precision control flows through the purpose of the flow of the refrigerant of recuperation of heat bypass.
It is further comprising the steps of when detection temperature is higher than preset temperature as a kind of optional embodiment:
S230, control second flow control device 34 reduces the flow for flowing through its fluid;
It is further comprising the steps of when detection temperature is less than preset temperature:
S240, the increase of control second flow control device 34 flows through the flow of its fluid.
As a kind of optional embodiment, in step S210, it is higher than preset temperature when detection temperature continues the very first time
When, control first flow control device increase flows through the flow of its fluid, and step S100 is performed afterwards, and the very first time can be
10s-60s;
In step S220, when detection temperature continued for the second time less than preset temperature, control first flow control dress
The flow for reducing and flowing through its fluid is put, step S100 is performed afterwards, the second time can be 10s-60s.
As a kind of optional embodiment, the water inlet pipe of heat reclamation device, by adjusting pipeline communication, is adjusted with outlet pipe
The 3rd volume control device 33 is provided with pipeline, the 3rd volume control device 33 is used to control to flow into the water outlet from water inlet pipe
The flow of water in pipe;
It is further comprising the steps of when detection temperature is higher than the preset temperature in step S210:
S250, control the 3rd volume control device 33 increase flows through the flow of its fluid;
It is further comprising the steps of when detection temperature is less than the preset temperature in step S210:
S260, the 3rd volume control device 33 of control reduces the flow for flowing through its fluid.
As a kind of optional embodiment, preset temperature includes the first preset temperature and the second preset temperature, and first pre-
If temperature is higher than the second preset temperature.The difference of first preset temperature and the second preset temperature embodies heat recovery system control method
Accuracy and the tolerable temperature approach of user, its difference is smaller, and accuracy is higher.It is preferred that, the first preset temperature is subtracted
Second preset temperature is less than or equal to 5 DEG C.
In step S210, when detection temperature is higher than the first preset temperature, control first flow control device increase stream
The flow of fluid through it, performs step S100 afterwards;
In step S220, when detection temperature is less than the first preset temperature, control first flow control device reduces stream
The flow of fluid through it, performs step S100 afterwards.
When air-conditioner set is run, control mainboard obtains water at the outlet pipe 32 of heat reclamation device 30 of temperature-detecting device detection
The detection temperature of temperature, and detection temperature is compared with preset temperature, control mainboard is according to the corresponding dress of comparative result control
Put action.
Can be that detection temperature performs step S210 immediately higher than preset temperature when detection temperature is higher than preset temperature,
Can be that detection temperature is higher than the temperature value of preset temperature first, e.g. detection temperature higher than 1 DEG C of preset temperature when perform step
S210。
Can be that detection temperature performs step S220 immediately less than preset temperature when detection temperature is less than preset temperature,
Can be that detection temperature is less than preset temperature second temperature value, e.g. detection temperature less than 0.5 DEG C of preset temperature when perform step
Rapid S220.
It is higher than preset temperature when detection temperature is higher than preset temperature or when detection temperature continues the very first time
When, perform step S210 control first flow control device increases and flow through the flow of its fluid, or perform step S230 controls
Second flow control device 34 reduces the flow for flowing through its fluid, or performs step S250 the 3rd volume control devices 33 of control
Increase flows through the flow of its fluid, and step S210, S230 and S250 can also be performed simultaneously, i.e., control first flow simultaneously
Control device, any two in the volume control device 33 of second flow control device 34 and the 3rd all carry out phase simultaneously
The action answered, realizes the accurate control of temperature.
When detection temperature is less than preset temperature or when detection temperature continued for the second time less than preset temperature,
Perform step S220 control first flow control devices and reduce the flow for flowing through its fluid, or perform step S240 controls second
Volume control device 34 increases the flow for flowing through its fluid, or execution step S260 controls the 3rd volume control device 33 to increase
The flow of its fluid is flowed through, step S220, S240 and S260 can also be performed simultaneously, i.e., controls first flow control simultaneously
Device, any two in the volume control device 33 of second flow control device 34 and the 3rd are all carried out corresponding simultaneously
Action, realizes the accurate control of temperature.
Preset temperature is preferably 40 DEG C -50 DEG C, for example, when preset temperature is 32 DEG C, when the sense as temperature-detecting device
When thermometer bulb detection temperature is 34 DEG C, control mainboard part obtains detection temperature and is compared with preset temperature, and comparative result is inspection
Testing temperature is higher than preset temperature, and control mainboard is to send "ON" signal, butterfly valve to as the butterfly valve 42 of first flow control device
42 open a big step number according to minimum step number;Control mainboard obtains detection temperature and is compared with preset temperature again, so
Circulation.
The utility model description in, term " first ", " second " be only used for describe purpose, and it is not intended that indicate or
Imply relative importance.
Meanwhile, the term of cited such as " on ", " under ", " bottom ", " top " and " one ", is merely convenient in this specification
Narration understands, and is not used to limit the enforceable scope of the utility model, and its relativeness is altered or modified, without essence
Change under technology contents, when being also considered as the enforceable category of the utility model.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model the scope of the claims.It should be pointed out that for the common of this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (8)
1. a kind of air-conditioner set heat recovery system, including compressor (10), heat reclamation device (30), condenser and evaporator
(60), the gas outlet of the compressor (10), heat reclamation device (30), condenser, evaporator (60) and compressor (10)
Air entry passes sequentially through pipeline and connects and composes refrigerant loop,
Bypassed characterized in that, the air-conditioner set heat recovery system also includes recuperation of heat, the recuperation of heat bypass and the heat
Retracting device (30) is arranged in parallel, and the recuperation of heat bypass is provided with first flow control device;
The heat reclamation device (30) is used for the heat for reclaiming refrigerant carrying, and the heat reclamation device (30) is examined provided with temperature
Survey device;
The first flow control device can flow through its fluid according to the adjustment of the detection temperature of the temperature-detecting device
Flow.
2. air-conditioner set heat recovery system according to claim 1, it is characterised in that with the heat reclamation device (30)
The pipeline of inlet communication is provided with second flow control device (34).
3. air-conditioner set heat recovery system according to claim 2, it is characterised in that the air-conditioner set heat recovery system
Including control mainboard, the first flow control device, the second flow control device (34) and temperature detection dress
Put and communicated to connect with the control mainboard.
4. air-conditioner set heat recovery system according to claim 2, it is characterised in that the bottom of the heat reclamation device (30)
Portion is provided with liquid refrigerant outlet, and the liquid refrigerant outlet is connected by pipeline with the entrance of the evaporator (60).
5. air-conditioner set heat recovery system according to claim 2, it is characterised in that the first flow control device bag
Butterfly valve (42) and magnetic valve (41) are included, the butterfly valve (42) and the magnetic valve (41) are arranged in series in by the recuperation of heat
Lu Zhong.
6. air-conditioner set heat recovery system according to claim 2, it is characterised in that the heat reclamation device (30) includes
The circulation of refrigerant and water is respectively used in shell and tube exchanger, the shell side and tube side of the shell and tube exchanger, it is described
Refrigerant realizes heat exchange with water in shell and tube exchanger, and the temperature-detecting device is arranged on going out for the shell and tube exchanger
On water pipe (32).
7. air-conditioner set heat recovery system according to claim 2, it is characterised in that the water inlet pipe of the heat reclamation device
Between outlet pipe the 3rd volume control device (33) is provided with by adjusting on pipeline communication, the regulation pipeline.
8. air-conditioner set heat recovery system according to claim 2, it is characterised in that the compressor (10) and the heat
Pipeline between retracting device (30) is provided with oil eliminator (20).
Priority Applications (1)
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CN201621399399.6U CN206398943U (en) | 2016-12-19 | 2016-12-19 | Heat recovery system of air conditioning unit |
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CN201621399399.6U CN206398943U (en) | 2016-12-19 | 2016-12-19 | Heat recovery system of air conditioning unit |
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CN206398943U true CN206398943U (en) | 2017-08-11 |
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ID=59512135
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106705394A (en) * | 2016-12-19 | 2017-05-24 | 珠海格力电器股份有限公司 | Heat recovery system of air conditioning unit and control method thereof |
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2016
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106705394A (en) * | 2016-12-19 | 2017-05-24 | 珠海格力电器股份有限公司 | Heat recovery system of air conditioning unit and control method thereof |
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