CN208365859U - A kind of cooling by wind system - Google Patents

A kind of cooling by wind system Download PDF

Info

Publication number
CN208365859U
CN208365859U CN201820322775.4U CN201820322775U CN208365859U CN 208365859 U CN208365859 U CN 208365859U CN 201820322775 U CN201820322775 U CN 201820322775U CN 208365859 U CN208365859 U CN 208365859U
Authority
CN
China
Prior art keywords
refrigerant
cooling
water
wind
fluid circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201820322775.4U
Other languages
Chinese (zh)
Inventor
李红松
吴双
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
York Guangzhou Air Conditioning and Refrigeration Co Ltd
Johnson Controls Technology Co
Original Assignee
York Guangzhou Air Conditioning and Refrigeration Co Ltd
Johnson Controls Technology Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by York Guangzhou Air Conditioning and Refrigeration Co Ltd, Johnson Controls Technology Co filed Critical York Guangzhou Air Conditioning and Refrigeration Co Ltd
Priority to CN201820322775.4U priority Critical patent/CN208365859U/en
Application granted granted Critical
Publication of CN208365859U publication Critical patent/CN208365859U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Air Conditioning Control Device (AREA)

Abstract

This application discloses a kind of cooling by wind systems, cooling by wind system includes cooling by wind, cooling by wind includes first group of refrigerant-cycle systems and second group of refrigerant-cycle systems, refrigerant in first group of refrigerant-cycle systems and second group of refrigerant-cycle systems forms the first refrigerant fluid circuit and the second refrigerant fluid circuit, and each refrigerant fluid circuit has cooling condition flow direction and heating condition flow direction.When the cooling by wind is in test operation, the operating condition flow direction of the refrigerant in the second refrigerant fluid circuit is different from the operating condition flow direction of refrigerant in first refrigerant fluid circuit.On the one hand the application shortens the testing time of unit, the cooling capacity and heat that unit oneself can on the other hand generated are cancelled out each other, and saves the energy.So that the cooling by wind system of the application is in test mode with relatively high testing efficiency.

Description

A kind of cooling by wind system
Technical field
This application involves air-conditioning system field, in particular to a kind of cooling by wind system.
Background technique
Before cooling by wind factory, need to carry out operating test operation to cooling by wind, to detect unit The connection status of operating condition and pipeline.Current test method is to supply water to unit according to standard operating states of the units And electricity carries out operating test then according to the standard refrigeration of machine set system, heating state.However this will cause some problems, one The test logic of aspect standard contains the more waiting time, result in operating the testing time it is longer, energy consumption is larger;Another party Face needs for the temperature of water to be maintained within a certain range in test process, in order to carry out heat exchange with refrigerant fluid, therefore It needs water to be provided using additional air-conditioner set the heat or cooling capacity for maintaining temperature, this will cause energy waste.
Utility model content
In order to solve problem above, at least one purpose of the application is to provide a kind of cooling by wind system, is protecting Under the premise of card cooling by wind carries out operation operation, so that cooling by wind is when carrying out test operation with especially high Efficiency.
To achieve the goals above, this application provides a kind of cooling by wind systems, comprising: cooling by wind, The cooling by wind includes first group of refrigerant-cycle systems and second group of refrigerant-cycle systems;Wherein, described first Group refrigerant-cycle systems include the first compressor, the first air cooling heat exchanger, first throttling device and the first water being connected in series Cold heat exchanger, to form the first refrigerant fluid circuit, first group of refrigerant-cycle systems further include the first control valve, with So that first refrigerant fluid circuit has cooling condition flow direction and heating condition flow direction;Second group of refrigerant circulation System includes the second compressor, the second air cooling heat exchanger, second throttling device and the second water cooling heat exchanger being connected in series, with shape At second refrigerant fluid circuit, second group of refrigerant-cycle systems further include the second control valve, so that described second Refrigerant fluid circuit has cooling condition flow direction and heating condition flow direction;Wherein, the cooling by wind includes water inlet And water outlet, the inlet and outlet with water system for being connected, so that first water cooling heat exchanger and described the Refrigerant and water system in two water cooling heat exchangers carry out heat exchange;Wherein, first control valve and second control valve For being connected with control system;And wherein, when the cooling by wind is in test operation, the second refrigerant stream The operating condition flow direction of refrigerant in body circuit is different from the operating condition flow direction of refrigerant in first refrigerant fluid circuit.
According to the above technical scheme, when the cooling by wind is in operation operation, the second refrigerant fluid The operating condition flow direction of refrigerant in circuit and the operating condition of the refrigerant in first refrigerant fluid circuit flow to identical.
According to the above technical scheme, the cooling condition flow direction in first refrigerant fluid circuit and the second refrigerant The cooling condition of fluid circuit flows to identical, the heating condition flow direction in first refrigerant fluid circuit and second refrigeration The heating condition of agent fluid circuit flows to identical, the cooling condition flow direction in first refrigerant fluid circuit and first system The heating condition in refrigerant flow circuit flows to different.
According to the above technical scheme, first control valve is the first four-way reversing valve, and second control valve is second Four-way reversing valve.
According to the above technical scheme, first water cooling heat exchanger and second water cooling heat exchanger are integrated in same In water cooling heat exchanger.
According to the above technical scheme, the water cooling heat exchanger is shell and tube exchanger, and the shell and tube exchanger has pipe Journey and shell side, wherein first water cooling heat exchanger and second water cooling heat exchanger are integrated in the shell and tube exchanger In tube side, the water system is connected in the shell side of the shell and tube exchanger.
According to the above technical scheme, the cooling by wind system further include: water system, the water system include: water Case passes through the water and first water cooling heat exchanger and institute for providing the water of preset temperature to the cooling by wind It states the second water cooling heat exchanger and carries out heat exchange;And operating condition air-conditioner set and/or heat exchange tower, the operating condition air-conditioner set and/ Or heat exchange tower is connect with the water tank, for the temperature of Water in Water Tanks to be adjusted to preset temperature.
According to the above technical scheme, cooling by wind system further include: control system, the control system is for controlling First control valve and second control valve, to change the operating condition stream of the refrigerant in first refrigerant fluid circuit To and/or change the operating condition flow direction of the refrigerant in the second refrigerant fluid circuit.
According to the above technical scheme, first group of refrigerant-cycle systems generate refrigerating capacity or heating capacity and described the The heating capacity or refrigerating capacity that two groups of refrigerant-cycle systems generate are identical.
It according to the above technical scheme, further include additional group refrigerant-cycle systems, the additional group of refrigerant-cycle systems Additional compressor, additional air cooling heat exchanger, additional throttling set and additional water cooling heat exchanger including series connection, it is attached to be formed Refrigerant feeding fluid circuit, the additional water cooling heat exchanger, first water cooling heat exchanger and the second water cooling heat exchanger quilt It is integrated in the same water cooling heat exchanger;
Wherein, the operating condition flow direction of the auxiliary refrigerating agent fluid circuit and first group of refrigerant-cycle systems or second Group refrigerant-cycle systems refrigerant fluid circuit operating condition flow to it is identical, wherein being wrapped in the additional group of refrigerant-cycle systems Additional control valve is included, the additional control valve with control system for connecting.
The cooling by wind of the application can either carry out operation operation and test operation, in operation operation and can also survey Switch between examination operation.When carrying out test operation, by the refrigerant flow direction of refrigerant-cycle systems in control unit, make machine The different refrigerant-cycle systems of group are respectively at cooling condition and heating condition, on the one hand shorten the testing time of unit, The cooling capacity and heat that unit oneself can on the other hand generated are cancelled out each other, and the energy is saved.So that the application's is air-cooled Water chilling unit system is in test mode with relatively high testing efficiency.
Detailed description of the invention
Figure 1A is the schematic diagram of the cooling by wind system of the application;
Figure 1B is the schematic block diagram of one embodiment of the water system in Figure 1A;
Fig. 2A is the schematic block diagram of one embodiment of the cooling by wind in Figure 1A, and it illustrates wind-cooled cold-water machines Group is in test mode;
Fig. 2 B is a kind of equivalent schematic of Fig. 2A;
Fig. 2 C shows the operating status of cooling by wind shown in Fig. 2A;
Fig. 2 D is the schematic block diagram of the embodiment shown in Fig. 2A when the control valve in Fig. 2A is four-way reversing valve;
Fig. 3 is the schematic block diagram of another embodiment of the cooling by wind in Figure 1A;
Fig. 4 is the schematic block diagram of another embodiment of the cooling by wind in Figure 1A.
Specific embodiment
The various specific embodiments of the utility model are carried out below with reference to the attached drawing for constituting this specification a part Description.Although should be understood that in this application using indicate direction term, such as "front", "rear", "upper", "lower", "left", "right" etc. describes the various example features and element of the application, but herein using these term sides of being intended merely to Just the purpose illustrated, the determination based on the example orientations shown in attached drawing.Since embodiment disclosed in the present application can be by It is arranged according to different directions, so these indicate that the term in direction is intended only as illustrating and should not be considered as limiting.Possible In the case of, identical or similar appended drawing reference used herein refers to identical component.
The exemplary block diagram of the cooling by wind system of the application is shown in Figure 1A.
As shown in Figure 1A, the cooling by wind system of the application includes cooling by wind 100, water system 110 and control System 120 processed.Wherein, cooling by wind 100 is connected with water system 110, and water system 110 is used for cooling by wind 100 Water is provided, cooling by wind 100 is enabled to carry out heat exchange with water system 110.Specifically, cooling by wind 100 With water inlet end 103 and water outlet 104, the water inlet end 103 and water outlet 104 pass through water inlet pipe 113.1 and outlet pipe respectively 114.1 connect with water system 110, so that the water in water system 110 flows into cooling by wind 100 from water inlet end 103, and Cooling by wind 100 is flowed out from water outlet 104, so that cooling by wind 100 can carry out hot friendship with water system 110 It changes.
Also, cooling by wind 100 is electrically connected with control system 120.It include control device in the control system 120 106.Cooling by wind 100 can be operated by controlling control device 106, enable cooling by wind 100 Carry out operation operation and test operation.Wherein, when control system 120 makes cooling by wind 100 carry out operation operation, wind Cold water cooler 100 is in operating status;It is air-cooled when control system 120 carries out test operation to cooling by wind 100 Water cooler 100 is in test mode.And control system 120 can control cooling by wind 100 in above-mentioned operating status Switch between test mode.Furthermore when cooling by wind 100 is in test mode, control system 120 is also controlled and is recorded The operating test data of cooling by wind 100.
Figure 1B is the schematic block diagram of one embodiment of the water system in Figure 1A.It is carried out when to cooling by wind 100 When test operation, water system 110 can be using example shown in Figure 1B.Water system 110 as shown in Figure 1B is enclosed circulation Water system, the water in water system 110 maintain within the scope of default temperature, cyclically carry out hot friendship with cooling by wind 100 It changes.
Specifically, water system 110 as shown in Figure 1B includes water tank 112, operating condition air-conditioner set 101 and heat exchange tower 108.Wherein, heat exchange tower 108 is connect with water tank 112 so that the water energy in water tank 112 it is enough in heat exchange tower 108 with air Heat exchange is carried out, to water temperature be maintained within the scope of default temperature, such as about 25~30 DEG C or so.Operating condition air-conditioner set 101 also connect with water tank 112, so that operating condition air-conditioner set 101 also can be freezed or be heated to water.
As an example, water inlet pipe 113.2 and outlet pipe 114.2, the operating condition air-conditioner set are connected on water tank 112 101 and heat exchange tower 108 connect by the water inlet pipe 113.2 and the outlet pipe 114.2 with water tank 112 so that After operating condition air-conditioner set 101 and heat exchange tower 108 are connected in parallel, it is connected with the water tank 112.Therefore, the operating condition air conditioner Group 101 and heat exchange tower 108 individually can be freezed or be heated to the water in water tank 112, can also be together in water tank 112 Water freezed or heated.
It should be noted that heat exchange tower 108 is lower to the regulating power of coolant-temperature gage, but energy consumption is relatively low;And operating condition Air-conditioner set 101 is strong to the regulating power of coolant-temperature gage, but energy consumption is also higher.Therefore according to actual needs, water system 110 can also To include that one or both of operating condition air-conditioner set 101 or heat exchange tower 108 all have.
When carrying out operation operation to cooling by wind 100, water system 110 may include coil pipe (not shown), Water and cooling by wind 100 in coil pipe carry out heat exchange.It is after the water refrigeration or heating in water system 110, water is defeated It send to user side.
Fig. 2A, Fig. 2 B, Fig. 2 C and Fig. 2 D are the schematic frame of one embodiment of the cooling by wind 100 in Figure 1A Figure.Wherein, Fig. 2A, Fig. 2 B and Fig. 2 D show cooling by wind 100 and are in test mode, and Fig. 2 C shows wind-cooled cold-water Unit 100 is in operating status;Fig. 2 B shows a kind of equivalent block diagram of Fig. 2A;Fig. 2 D is that the control valve in Fig. 2A is that four-way changes When to valve, the schematic block diagram of the cooling by wind 100 in Fig. 2A.
As shown in Figure 2 A, cooling by wind 100 includes that first group of refrigerant-cycle systems 230 and second group of refrigerant follow Loop system 231.
First group of refrigerant-cycle systems 230 includes the first compressor 225.1 being connected in series, the first air cooling heat exchanger 221.1, first throttling device 226.1 and the first water cooling heat exchanger 228.1, to form the first refrigerant fluid circuit 250.1.Institute It states the first water cooling heat exchanger 228.1 and carries out heat exchange with the water in water system 110, keep first group of refrigerant-cycle systems 230 right Water in water system 110 is freezed or is heated.First group of refrigerant-cycle systems 230 further includes the first control valve 241.1, The operating condition flow direction of the refrigerant fluid in the first refrigerant fluid circuit 250.1 can be controlled by the first control valve 241.1.Root According to the difference that the operating condition of the refrigerant fluid in the first refrigerant fluid circuit 250.1 flows to, first group of refrigerant-cycle systems 230 have cooling condition and heating condition, wherein Fig. 2A shows first group of refrigerant-cycle systems 230 and is in heating condition.
Similar with first group of refrigerant-cycle systems 230, second group of refrigerant-cycle systems 231 include the be connected in series Two compressors 225.2, the second air cooling heat exchanger 221.2, second throttling device 226.2 and the second water cooling heat exchanger 228.2, with Form second refrigerant fluid circuit 250.2.Second water cooling heat exchanger 228.2 carries out hot friendship with the water in water system 110 It changes, second group of refrigerant-cycle systems 231 is made to freeze or heat the water in water system 110.Second group of refrigerant circulation System 231 further includes the second control valve 241.2, can control second refrigerant fluid circuit by the second control valve 241.2 The operating condition of refrigerant fluid in 250.2 flows to.According to the operating condition of the refrigerant fluid in second refrigerant fluid circuit 250.2 The difference of flow direction, second group of refrigerant-cycle systems 231 also have cooling condition and heating condition.Wherein, Fig. 2A has suffered second Group refrigerant-cycle systems 231 are in cooling condition.
Therefore, as shown in Figure 2 A, when cooling by wind 100 is in test mode, first group of refrigerant circulation The operating condition flow direction of refrigerant in system 230 and the operating condition flow direction of the refrigerant in second group of refrigerant-cycle systems 231 It is different.It will be appreciated that although Fig. 2A shows first group of refrigerant-cycle systems 230 and is in heating condition, second Group refrigerant-cycle systems 231 are in cooling condition, still, so that first group of refrigerant-cycle systems 230 is in cooling condition, And to be in heating condition also possible for second group of refrigerant-cycle systems 231, as long as the two is different.As shown in Figure 2 A Example in, due to refrigerant fluid absorb heat in the first water cooling heat exchanger 228.1 evaporation and to the water system in water system 110 It is cold, and refrigerant fluid heats the water in water system 110 in 228.2 exothermic condensation of the second water cooling heat exchanger, wherein first The refrigerating capacity that the heating capacity and second group of refrigerant-cycle systems 231 that group refrigerant-cycle systems 230 generate generate is roughly the same, So that the coolant-temperature gage in water system 110 can generally be maintained within a certain range.
It should be noted that above-mentioned cooling condition flow direction and heating condition flow direction depends on refrigerant fluid and flows through refrigeration The sequence of each component of the agent circulatory system, and be not depending on shown clockwise or counterclockwise in figure.
By taking first group of refrigerant-cycle systems 230 as an example, specifically, refrigerant fluid successively passes through under cooling condition The first compressor 225.1, the first air cooling heat exchanger 221.1, first throttling device 226.1 and the first water cooling heat exchanger 228.1 are crossed, And then flow back in the first compressor 225.1 and recycle, to form the cooling condition stream in the first refrigerant fluid circuit 250.1 To.Under heating condition, refrigerant fluid successively passes through the first compressor 225.1, the first water cooling heat exchanger 228.1, first segment Device 226.1 and the first air cooling heat exchanger 221.1 are flowed, and then flows back in the first compressor 225.1 and recycles again, to form the The heating condition in one refrigerant fluid circuit 250.1 flows to.
Fig. 2 B is a kind of equivalent schematic of Fig. 2A.Second refrigerant fluid circuit 250.2 compared with Fig. 2A, in Fig. 2 B In the second compressor 225.2 and second throttling device 226.2 exchanged position, do not change elsewhere.Therefore, although figure The operating condition flow direction of refrigerant is counter clockwise direction in the second group of refrigerant-cycle systems 231 shown in 2A, and is shown in Fig. 2 B Second group of refrigerant-cycle systems 231 in refrigerant operating condition flow direction for clockwise, but refrigerant in both figures Fluid is followed by the second compressor 225.2, the second air cooling heat exchanger 221.2, second throttling device 226.2 and the second water cooling Heat exchanger 228.2.Therefore, the operating condition of refrigerant flows to actually in second group of refrigerant-cycle systems 231 of Fig. 2 B and Fig. 2A It is identical, is cooling condition flow direction.
Fig. 2 C shows the operating status of cooling by wind 100 shown in Fig. 2A.As shown in Figure 2 C, work as wind-cooled cold-water machine When group 100 is in operating status, the operating condition flow direction of the refrigerant in first group of refrigerant-cycle systems 230 and described second The operating condition of refrigerant in group refrigerant-cycle systems 231 flows to identical.Specifically, in the example shown in Fig. 2 C, first Refrigerant in group refrigerant-cycle systems 230, which flows in the first refrigerant fluid circuit 250.1 along heating condition, to be flowed, And the refrigerant in second group of refrigerant-cycle systems 231 in second refrigerant fluid circuit 250.2 also along heating condition stream To flowing.But it is also possible that the refrigerant in first group of refrigerant-cycle systems 230 is in the first refrigerant fluid circuit It flows to and flows along cooling condition in 250.1, and the refrigerant in second group of refrigerant-cycle systems 231 is in second refrigerant fluid In circuit 250.2 also along cooling condition flow to flow, as long as the two operating condition flow to it is identical.
Fluid circuit when need by cooling by wind 100 from operating status as shown in fig. 2 c be switched to as Shown in Fig. 2A when test mode, the cooling by wind 100, which is operated the step of switching to test operation from operation, includes: So that the refrigerant in second group of refrigerant-cycle systems 231 is in second refrigerant fluid circuit 250.2 along cooling condition stream To flowing, or make the edge in the first refrigerant fluid circuit 250.1 of the refrigerant in first group of refrigerant-cycle systems 230 Cooling condition flow direction flowing, so that the operating condition flow direction of refrigerant in first group of refrigerant-cycle systems 230 and described The operating condition of refrigerant in second group of refrigerant-cycle systems 231 is flowed to from identical change to difference.
Shape is run as shown in fig. 2 c when needing for cooling by wind 100 to be switched to from test mode as shown in Figure 2 A When state, it includes: so that second group of refrigerant that the cooling by wind 100, which is switched to the step of operation operates from test operation, Refrigerant in the circulatory system 231 flows to flowing or first group along heating condition in second refrigerant fluid circuit 250.2 Refrigerant in refrigerant-cycle systems 230, which flows in the first refrigerant fluid circuit 250.1 along cooling condition, to be flowed, so that The operating condition for obtaining the refrigerant in first group of refrigerant-cycle systems 230 flows to and second group of refrigerant-cycle systems The operating condition flow direction of refrigerant in 231 is changed to identical from difference.
First control valve 241.1 and the second control valve 241.2 can be four-way reversing valve, and Fig. 2 D, which is shown, works as Fig. 2A In the first control valve 241.1 and the second control valve 241.2 when being four-way reversing valve, the schematic frame of embodiment shown in Fig. 2A Figure.Illustrate that control system 120 controls the mistake that unit 100 switches between above-mentioned operating status and test mode below with reference to Fig. 2 D Journey.
As shown in Figure 2 D, the first control valve is the first four-way reversing valve 241.1, and the second control valve is the second four-way reversing valve 241.2.There are four connecting pin 1a, 1b, 1c and 1d for first four-way reversing valve 241.1 tool, wherein the pressure of the first connecting pin 1a and first The suction end of contracting machine 225.1 is in fluid communication, and second connection end 1b and the first air cooling heat exchanger 221.1 are in fluid communication, third connection The exhaust end of 1c and the first compressor 225.1 is held to be in fluid communication, the 4th end 1d and the first water cooling heat exchanger 228.1 are in fluid communication.
When being connected to the end 1a and the end 1b of the first four-way reversing valve 241.1, the end 1c is connected with the end 1d, at this time the first refrigerant Refrigerant in fluid circuit 250.1 is successively to pass through the first compressor 225.1, the first water cooling heat exchanger 228.1, first throttle The heating condition flow direction of device 226.1, the first air cooling heat exchanger 221.1, the first refrigerant fluid circuit as shown in Fig. 2 D 250.1 as heating condition flows to.
And when being connected to the end 1a and the end 1d of the first four-way reversing valve 241.1, the end 1b is connected with the end 1c, at this time the first refrigeration The refrigerant of agent fluid circuit 250.1 is successively to pass through the first compressor 225.1, the first air cooling heat exchanger 221.1, first throttle The cooling condition flow direction of device 226.1, the first water cooling heat exchanger 228.1.
And the second four-way reversing valve 241.2 is similar with the first four-way reversing valve 241.1, it may have 2a, 2b, 2c and 2d tetra- A connecting pin.When being connected to the end 2a and the end 2b, the end 2c and the end 2d, second refrigerant fluid circuit 250.2 has heating condition stream To.When being connected to the end 2a and the end 2d, the end 2b is connected with the end 2c, and second refrigerant fluid circuit 250.2 is as shown in Fig. 2 D at this time Cooling condition flow direction out.
The control valve can not also be four-way reversing valve, and be other kinds of control valve, need to only meet so that making Refrigerant cycle system can switch in two kinds of operating conditions.
It can also be simultaneously to the progress more than two groups of refrigerant-cycle systems in the cooling by wind system of the application Test operation and/or operation operation.Fig. 3 is the schematic block diagram of another embodiment of the cooling by wind in Figure 1A, There are three groups of refrigerant-cycle systems in middle cooling by wind.Fig. 4 is another implementation of the cooling by wind in Figure 1A The schematic block diagram of example wherein has four groups of refrigerant-cycle systems in cooling by wind.
As shown in figure 3, can also include third group in cooling by wind 200 on the basis of cooling by wind 100 Refrigerant-cycle systems 332 also include the third compressor 325.3 being connected in series, the in third group refrigerant-cycle systems 332 Three air cooling heat exchangers 321.3, third throttling set 326.3 and third water cooling heat exchanger 328.3, to form third refrigerant fluid Circuit 350.3.Third group refrigerant-cycle systems 332 further include third control valve 341.3, pass through 341.3 energy of third control valve Enough control the operating condition flow direction of the refrigerant fluid in third refrigerant fluid circuit 350.3.In example as shown in Figure 3, third The sum of refrigerating/heating amount of group refrigerant-cycle systems 332 and second group of refrigerant-cycle systems 231 is essentially equal to first The refrigerating/heating amount of group refrigerant-cycle systems 230.
When the cooling by wind 200 in example as shown in Figure 3 is in operating status, the first refrigerant fluid circuit 250.1, second refrigerant fluid circuit 250.2 and the operating condition having the same of third refrigerant fluid circuit 350.3 flow direction, such as Cooling condition flow direction, so that each refrigerant-cycle systems freeze simultaneously or heating.
When the cooling by wind 200 in example as shown in Figure 3 is in test mode, second refrigerant fluid circuit 250.2 and the operating condition having the same of third refrigerant fluid circuit 350.3 flow direction, such as cooling condition flow direction, and first refrigeration There is agent fluid circuit 250.1 operating condition different from them to flow to, such as heating condition flow direction.Due to second group of refrigerant circulation What the overall refrigerating effect and first group of refrigerant-cycle systems 230 that system 231 and third group refrigerant-cycle systems 332 generate generated Heating capacity is roughly the same, therefore is able to maintain that the temperature of water in water system generally in a certain range.
It is similar as shown in figure 4, can also include in cooling by wind 300 on the basis of cooling by wind 200 4th group of refrigerant-cycle systems 433 also include the 4th compressor being connected in series in the 4th group of refrigerant-cycle systems 433 425.4, the 4th air cooling heat exchanger 421.4, the 4th throttling set 426.4 and the 4th water cooling heat exchanger 428.4, to form the 4th system Refrigerant flow circuit 450.4.4th group of refrigerant-cycle systems 433 further include the 4th control valve 441.4, pass through the 4th control Valve 441.4 can control the operating condition flow direction of the refrigerant fluid in the 4th refrigerant fluid circuit 450.4.As shown in Figure 4 In example, 433, first groups of refrigerant-cycle systems 230 of the 4th group of refrigerant-cycle systems, third group refrigerant-cycle systems 332 and second group of refrigerant-cycle systems 231 there is roughly the same heating/refrigerating capacity.
Similarly with above-mentioned cooling by wind 100 and cooling by wind 200, when cooling by wind 300 is in When operating status, four refrigerant-cycle systems all have identical operating condition flow direction, freeze jointly to water system 110 Or heating.When cooling by wind 300 is in test mode, wherein two groups of refrigerant-cycle systems freeze to water system 110, Other two groups of refrigerant-cycle systems heat water system 110.In example as shown in Figure 4, first group of refrigerant circulation system System 230 and the 4th group of refrigerant-cycle systems 433 heat water system 110, second group of refrigerant-cycle systems 231 and third group Refrigerant-cycle systems 332 freeze to water system 110.Due to 433, first groups of refrigerant circulations of the 4th group of refrigerant-cycle systems System 230, third group refrigerant-cycle systems 332 and second group of refrigerant-cycle systems 231 have roughly the same heating/system Cooling capacity, the temperature of water can be generally maintained within a certain range in water system.
Those skilled in the art should know in order to as far as possible generally maintain the temperature of water in water system centainly In range, to save the energy input in test operation, in the refrigerant-cycle systems tested every time, with cooling condition operation Refrigerant-cycle systems and with heating condition operation refrigerant-cycle systems refrigerating/heating amount should be consistent as far as possible or It is not much different.
With continued reference to Fig. 2A.As shown in Figure 2 A, the first water cooling heat exchanger 228.1 and the second water cooling heat exchanger 228.2 are integrated In the same water cooling heat exchanger 222.As an example, the water cooling heat exchanger 222 is shell and tube exchanger 222.Package Formula heat exchanger 222 has tube side and shell side, and one or more heat exchanger tubes, a part of heat exchanger tube connection wherein can be set in tube side In the first refrigerant fluid circuit 250.1, another part heat exchanger tube is connected to second refrigerant fluid circuit 250.2.It is air-cooled cold The water inlet end 103 of water dispenser group 100 and water outlet 104 are connected in shell side, so that water system 110 is connected to shell side.As a result, Refrigerant in first refrigerant fluid circuit 250.1 and second refrigerant fluid circuit 250.2 is flowing through shell and tube exchanger When heat exchanger tube in 222 tube sides heat exchange can be carried out with the water in 222 shell side of shell and tube exchanger.For shown in Fig. 3 and Fig. 4 Multiple groups refrigerant-cycle systems, the water cooling heat exchanger in each group refrigerant-cycle systems integrates in a manner of same as Fig. 2A In the same water cooling heat exchanger, details are not described herein.
With the above arrangement, the system when carrying out test operation to cooling by wind, in each refrigerant-cycle systems Cryogen can carry out heat with the water in 222 shell side of heat exchanger simultaneously when flowing through the heat exchanger tube in 222 tube side of shell and tube exchanger Exchange saves energy consumption so as to promptly offset the heat generated in each refrigerant-cycle systems and cooling capacity to reach Purpose.
As a result, by taking cooling by wind 100 as shown in Figure 2 A as an example, the wind-cooled cold-water of the application is further described The operating method that cooling by wind 100 is tested of machine set system.
Firstly, the circulation pattern of water system 110 is opened, so that water flows into cooling by wind 100 by water inlet end 103, Then cooling by wind 100 is flowed out from water outlet 104, to carry out heat exchange with cooling by wind 100.
Then, each refrigerant-cycle systems for opening cooling by wind 100 control first group by control system 120 Refrigerant-cycle systems 230, which flow in the first refrigerant fluid circuit 250.1 along heating condition, to be flowed;Second group of system is controlled again Refrigerant cycle system 231, which flows in second refrigerant fluid circuit 250.2 along cooling condition, to be flowed.
Test instruction is gradually sent by control system 120 again to be tested, and the system of control unit 100 is instructed according to test Cold or heating output action, while control system 120 monitors the operating status of unit 100 in real time and records data.
Finally after the completion of test, cooling by wind 100 and water system 110, the judgement test knot of control system 120 are closed Fruit.
Wherein, further include following steps after opening each refrigerant-cycle systems: adjusting the temperature of water in water system 110, Make the temperature of water within the scope of default temperature.
Specifically, whether the temperature of the water of water system 110 is first detected preset temperature range (such as: 25~30 DEG C) It is interior.When the coolant-temperature gage of water system 110 not within a preset range when, open water system 110 in heat exchange tower 108, pass through water Heat exchange tower 108 and external heat exchange.Detection coolant-temperature gage is then proceeded to whether within the scope of default temperature, when coolant-temperature gage still When not within a preset range, continues starting operating condition air-conditioner set 101 and water is freezed or heated.Until coolant-temperature gage reaches default In temperature range, operating condition air-conditioner set 101 and heat exchange tower 108 are successively closed.
After the completion of test, if cooling by wind 100 meets normal condition condition, cooling by wind 100 meets Factory calibration.
Although the application will be described with reference to the specific embodiment shown in attached drawing, but it is to be understood that not Under the spirit and scope and background of the application introduction, the cooling by wind of the application can be there are many version.This Field technology those of ordinary skill will additionally appreciate different modes to change the structure in embodiment disclosed in the present application Details is each fallen in the utility model and spirit and scope of the claims.

Claims (10)

1. a kind of cooling by wind system characterized by comprising
Cooling by wind (100), the cooling by wind (100) include first group of refrigerant-cycle systems (230) and the Two groups of refrigerant-cycle systems (231);
Wherein, first group of refrigerant-cycle systems (230) includes the first compressor (225.1) being connected in series, the first wind Cold heat exchanger (221.1), first throttling device (226.1) and the first water cooling heat exchanger (228.1), to form the first refrigerant stream Body circuit (250.1), first group of refrigerant-cycle systems (230) further includes the first control valve (241.1), so that described There is the operating condition of refrigerant to flow in the first refrigerant fluid circuit (250.1), operating condition flow direction include cooling condition flow direction and Heating condition flow direction;
Second group of refrigerant-cycle systems (231) includes the second compressor (225.2) being connected in series, the second air-cooled heat exchange Device (221.2), second throttling device (226.2) and the second water cooling heat exchanger (228.2), to form second refrigerant fluid circuit (250.2), second group of refrigerant-cycle systems (231) further includes the second control valve (241.2), so that second system There is the operating condition of refrigerant to flow in refrigerant flow circuit (250.2), and the operating condition flow direction includes that cooling condition flows to and heat work Condition flow direction;
Wherein, the cooling by wind (100) includes water inlet (103) and water outlet (104), the water inlet (103) and The water outlet (104) with water system (110) for being connected, so that first water cooling heat exchanger (228.1) and described the Refrigerant and the water system (110) in two water cooling heat exchangers (228.2) carry out heat exchange;
Wherein, first control valve (241.1) and second control valve (241.2) with control system (120) for being connected; And
Wherein, when the cooling by wind (100) is in test operation, the second refrigerant fluid circuit (250.2) In refrigerant operating condition flow direction it is different from the operating condition flow direction of refrigerant in first refrigerant fluid circuit (250.1).
2. cooling by wind system according to claim 1, it is characterised in that:
System when the cooling by wind (100) is in operation operation, in the second refrigerant fluid circuit (250.2) The operating condition flow direction of cryogen and the operating condition of the refrigerant in first refrigerant fluid circuit (250.1) flow to identical.
3. cooling by wind system according to claim 1, it is characterised in that:
Cooling condition flow direction and the second refrigerant fluid circuit in first refrigerant fluid circuit (250.1) (250.2) cooling condition in flows to identical, heating condition flow direction and institute in first refrigerant fluid circuit (250.1) It states the heating condition in second refrigerant fluid circuit (250.2) and flows to identical, first refrigerant fluid circuit (250.1) Cooling condition flow direction it is different with the heating condition in first refrigerant fluid circuit (250.1) flow direction.
4. cooling by wind system according to claim 1, it is characterised in that:
First control valve (241.1) is the first four-way reversing valve, and second control valve (241.2) is the commutation of the second four-way Valve.
5. cooling by wind system according to claim 1, it is characterised in that:
First water cooling heat exchanger (228.1) and second water cooling heat exchanger (228.2) are integrated in the same water cooling and change In hot device (222).
6. cooling by wind system according to claim 5, it is characterised in that:
The water cooling heat exchanger (222) is shell and tube exchanger, and the shell and tube exchanger has tube side and shell side, wherein described First water cooling heat exchanger (228.1) and second water cooling heat exchanger (228.2) are integrated in the institute of the shell and tube exchanger It states in tube side, the water system (110) is connected to the shell-side fluid of the shell and tube exchanger.
7. cooling by wind system according to claim 1, which is characterized in that the cooling by wind system is also Include:
The water system (110), the water system (110) include:
Water tank (112), for providing the water of preset temperature, the water and first water to the cooling by wind (100) Cold heat exchanger (228.1) and second water cooling heat exchanger (228.2) carry out heat exchange;And
Operating condition air-conditioner set (101) and/or heat exchange tower (108), the operating condition air-conditioner set (101) and/or the heat exchange Tower (108) is connect with the water tank (112), for the temperature of water in water tank (112) to be adjusted to preset temperature.
8. cooling by wind system according to claim 1, which is characterized in that the cooling by wind system is also Include:
The control system (120), the control system (120) is for controlling first control valve (241.1) and described the Two control valves (241.2), with change the refrigerant in first refrigerant fluid circuit (250.1) operating condition flow direction and/or Change the operating condition flow direction of the refrigerant in the second refrigerant fluid circuit (250.2).
9. cooling by wind system according to claim 1, it is characterised in that:
The refrigerating capacity or heating capacity that first group of refrigerant-cycle systems (230) generates are followed with second group of refrigerant respectively The heating capacity or refrigerating capacity that loop system (231) generates are identical.
10. cooling by wind system according to claim 1, which is characterized in that further include:
Additional group refrigerant-cycle systems (332), the additional group of refrigerant-cycle systems (332) include the additional of series connection Compressor (325.3), additional air cooling heat exchanger (321.3), additional throttling set (326.3) and additional water cooling heat exchanger (328.3), to form auxiliary refrigerating agent fluid circuit (350.3), the additional water cooling heat exchanger (328.3), first water Cold heat exchanger (228.1) and second water cooling heat exchanger (228.2) are integrated in the same water cooling heat exchanger (222);
Wherein, the operating condition flow direction of the auxiliary refrigerating agent fluid circuit (350.3) and first group of refrigerant-cycle systems (230) or refrigerant fluid circuit (250.1,250.2) operating condition of second group of refrigerant-cycle systems (231) flows to phase Together, wherein including additional control valve (341.3), the additional control valve in the additional group of refrigerant-cycle systems (332) (341.3) for being connect with the control system (120).
CN201820322775.4U 2018-03-08 2018-03-08 A kind of cooling by wind system Active CN208365859U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820322775.4U CN208365859U (en) 2018-03-08 2018-03-08 A kind of cooling by wind system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820322775.4U CN208365859U (en) 2018-03-08 2018-03-08 A kind of cooling by wind system

Publications (1)

Publication Number Publication Date
CN208365859U true CN208365859U (en) 2019-01-11

Family

ID=64921973

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820322775.4U Active CN208365859U (en) 2018-03-08 2018-03-08 A kind of cooling by wind system

Country Status (1)

Country Link
CN (1) CN208365859U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108534384A (en) * 2018-03-08 2018-09-14 约克广州空调冷冻设备有限公司 A kind of cooling by wind system and operating method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108534384A (en) * 2018-03-08 2018-09-14 约克广州空调冷冻设备有限公司 A kind of cooling by wind system and operating method

Similar Documents

Publication Publication Date Title
US8616017B2 (en) Air conditioning apparatus
CN108195099A (en) A kind of connected machine and its control method
CN106642416A (en) Air conditioner system, composite condenser and operation control method and device of air conditioner system
CN113137677B (en) Heat recovery air conditioning system and control method thereof
CN104748464A (en) Multiple on-line defrosting method and device of air conditioning system and air conditioner
CN108507207A (en) A kind of heat pump unit and its control method
CN108437737A (en) A kind of electric vehicle temperature control energy saving system and control method
CN107024046A (en) A kind of air-conditioner control method and air conditioner
CN110044096A (en) Refrigeration system, air conditioner and its control method
JPWO2016067567A1 (en) Air conditioning control device, vehicle air conditioning device, and electromagnetic valve failure determination method for air conditioning control device
CN108116183A (en) A kind of control method of heat management system
CN115289553A (en) Multi-split air conditioning system
CN208365859U (en) A kind of cooling by wind system
CN110579036A (en) Multi-split cold and hot water system and control method thereof
KR101674302B1 (en) Refrigerator for Constant-Temperature System
CN109945366A (en) The multi-joint unit control method of water and air-conditioning water dispenser system and its control method
CN106989545A (en) Refrigerant cooling device and air conditioner
TW201716730A (en) Heat pump air condition system and control method thereof
KR20220085243A (en) A cooling system for vehicle
JP2016102636A (en) Air conditioning system
KR100991843B1 (en) Air Compressor Waste Heat Recovery Device
CN211953309U (en) Cascade heat pump unit
CN107300266B (en) Air-conditioning system, the control method of air-conditioning system
CN108534384A (en) A kind of cooling by wind system and operating method
CN213020401U (en) Heating defrosting air source hot water pump

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant