CN205561354U - Refrigerating system and refrigerated transport vehicle - Google Patents
Refrigerating system and refrigerated transport vehicle Download PDFInfo
- Publication number
- CN205561354U CN205561354U CN201620136185.3U CN201620136185U CN205561354U CN 205561354 U CN205561354 U CN 205561354U CN 201620136185 U CN201620136185 U CN 201620136185U CN 205561354 U CN205561354 U CN 205561354U
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- China
- Prior art keywords
- refrigeration system
- pressure
- control valve
- dropping equipment
- fluid reservoir
- 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.)
- Withdrawn - After Issue
Links
- 238000005057 refrigeration Methods 0.000 claims abstract description 83
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 239000012530 fluid Substances 0.000 claims description 38
- 239000006200 vaporizer Substances 0.000 claims description 18
- 230000036772 blood pressure Effects 0.000 claims description 13
- 230000008676 import Effects 0.000 claims description 5
- 239000002826 coolant Substances 0.000 description 33
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Landscapes
- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model discloses a refrigerating system and refrigerated transport car. The refrigeration system comprises a compressor (1), a condenser (2), a first throttling device (3) and an evaporator (4), wherein the first throttling device (3) is arranged on a pipeline between the condenser (2) and the evaporator (4), the refrigeration system further comprises a pressure reduction device (5), the pressure reduction device (5) is connected with the first throttling device (3) in parallel, and the pressure reduction device (5) comprises a liquid storage tank (7) and a first control valve (6) for controlling the on-off of the pipeline of the pressure reduction device (5). According to the utility model discloses a refrigerating system can solve among the prior art the higher refrigerating system that leads to of refrigerating system pressure and appear the protection shut down and influence the problem of refrigerating unit reliability.
Description
Technical field
This utility model relates to refrigeration technology field, in particular to a kind of refrigeration system and
Refrigerating transport vehicle.
Background technology
In existing refrigerating transport vehicle, the system pressure of refrigeration unit is transported by external environment and vehicle
The impact of row state is relatively big, therefore typically all can be equipped with high-voltage switch gear in refrigeration unit, it is to avoid
Refrigeration unit is damaged because system pressure is too high.Higher or the Refrigerated Transport in summer environment temperature
On vehicle low-grade location under the mal-condition such as abrupt slope, refrigeration system pressure is higher, is easily caused height
Compress switch action and occur that protection is shut down, and in refrigeration unit frequent shutdown can cause refrigerator carriage
There is fluctuation in temperature, affects the quality of REFC, also affects the reliability of refrigeration unit simultaneously.
Utility model content
This utility model embodiment provides a kind of refrigeration system and refrigerating transport vehicle, existing to solve
Have refrigeration system pressure in technology higher cause refrigeration system occur protection shut down and affect refrigeration machine
The problem of group reliability.
For achieving the above object, this utility model embodiment provides a kind of refrigeration system, including pressure
Contracting machine, condenser, first throttle device and vaporizer, first throttle device is arranged on condenser
With on the pipeline between vaporizer, refrigeration system also includes dropping equipment, dropping equipment and first
Throttling arrangement is in parallel, dropping equipment include fluid reservoir and control dropping equipment pipeline break-make the
One control valve.
As preferably, dropping equipment also includes the second throttling dress being arranged on the port of export of fluid reservoir
Putting, dropping equipment also includes the second control valve being arranged on the port of export of the second throttling arrangement.
As preferably, the second control valve is check valve, and the second throttling arrangement is capillary tube.
As preferably, refrigeration system also includes the gas-liquid separator being arranged on the air entry of compressor,
Dropping equipment also includes the bypass line being connected between fluid reservoir and gas-liquid separator, bypass pipe
The 3rd control valve and the 3rd throttling arrangement it is provided with on road.
As preferably, the 3rd control valve is unloader, and the 3rd throttling arrangement is capillary tube.
As preferably, the pressure of opening connected with dropping equipment of the first control valve is less than the 3rd control
Valve processed open pressure.
As preferably, the first control valve is three-way valve, and the entrance point of dropping equipment passes through three-way valve
It is connected on the pipeline between condenser and first throttle device.
As preferably, the first control valve is unloader, and unloader is arranged on the import of dropping equipment
Place.
As preferably, the air vent of compressor is provided with pressure transducer or pressure switch.
According to another aspect of the present utility model, it is provided that a kind of refrigerating transport vehicle, including refrigeration
System, this refrigeration system is above-mentioned refrigeration system.
Application the technical solution of the utility model, refrigeration system include compressor, condenser, the
One throttling arrangement and vaporizer, first throttle device is arranged on the pipe between condenser and vaporizer
Lu Shang, refrigeration system also includes dropping equipment, and dropping equipment is in parallel with first throttle device, fall
Being provided with the first control valve controlling dropping equipment break-make on pressure device, dropping equipment includes liquid storage
Tank and be arranged on second throttling arrangement of the port of export of fluid reservoir.When refrigeration system works,
Once system pressure exceedes preset value, so that it may so that some or all of system coolant flows through and the
The dropping equipment of one throttling arrangement parallel connection is then in vaporizer, owing to dropping equipment includes
There is fluid reservoir, therefore can increase service system coolant volume so that part system coolant is permissible
It is deposited in fluid reservoir, thus refrigerating operaton load is unloaded, and by fluid reservoir to system
Cooling system carries out blood pressure lowering, it is ensured that refrigeration system operating pressure is normal, it is to avoid because of harsh environmental conditions
Cause system running pressure to exceed standard and frequently occur high voltage protective and shut down, improve refrigeration system and run
Stability and reliability.
Accompanying drawing explanation
Fig. 1 be the refrigeration system pressure of this utility model first embodiment normal time operation logic
Figure；
Fig. 2 is that the refrigeration system of this utility model first embodiment is when reaching the first predetermined pressure
Operation logic figure；
Fig. 3 is that the refrigeration system of this utility model first embodiment is when reaching the second predetermined pressure
Operation logic figure；
Fig. 4 be the refrigeration system pressure of this utility model the second embodiment normal time operation logic
Figure；
Fig. 5 is that the refrigeration system of this utility model the second embodiment is when reaching the first predetermined pressure
Operation logic figure；
Fig. 6 is that the refrigeration system of this utility model the second embodiment is when reaching the second predetermined pressure
Operation logic figure；
Fig. 7 is the control flow chart of the refrigeration system of this utility model embodiment.
Description of reference numerals: 1, compressor；2, condenser；3, first throttle device；4、
Vaporizer；5, dropping equipment；6, the first control valve；7, fluid reservoir；8, the second throttling dress
Put；9, the second control valve；10, gas-liquid separator；11, bypass line；12, the 3rd controls
Valve；13, the 3rd throttling arrangement；14, pressure transducer；15, pressure switch.
Detailed description of the invention
With specific embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings, but
Not as to restriction of the present utility model.
In figure, the direction of arrow represents the flow direction of system coolant.
In conjunction with seeing shown in Fig. 1 to Fig. 6, according to embodiment of the present utility model, refrigeration system
Including compressor 1, condenser 2, first throttle device 3 and vaporizer 4, first throttle device
3 are arranged on the pipeline between condenser 2 and vaporizer 4, and refrigeration system also includes dropping equipment
5, dropping equipment 5 is in parallel with first throttle device 3, and dropping equipment 5 is provided with control blood pressure lowering
First control valve 6 of device 5 break-make, dropping equipment 5 includes fluid reservoir 7 and is arranged on liquid storage
Second throttling arrangement 8 of the port of export of tank 7.First throttle device 3 for example, electric expansion valve.
When refrigeration system works, once system pressure exceedes preset value, so that it may so that part or
Person's whole system coolant flow through the dropping equipment 5 in parallel with first throttle device 3 then into
In vaporizer 4, owing to dropping equipment 5 includes fluid reservoir 7, therefore can increase system volume,
Part system coolant can be deposited in fluid reservoir 7, thus refrigerating operaton load is carried out
Unloading, and by fluid reservoir 7, refrigeration system is carried out blood pressure lowering, it is ensured that refrigeration system operating pressure
Normally, it is to avoid frequently occur high pressure because harsh environmental conditions causes system running pressure to exceed standard and protect
Protect shutdown, improve stability and reliability that refrigeration system is run.
In conjunction with seeing shown in Fig. 1 to Fig. 3, according to first embodiment of the present utility model, compression
The air vent of machine 1 is provided with pressure transducer 14, can detect the delivery temperature of compressor 1,
When the pressure of compressor 1 air vent exceedes setup pressure value C1, controller makes compressor 1 stop
Machine, with protection protection refrigeration unit；When as little as it recovers pressure C2 to pressure drop, compressor 1
Restart operation.
When pressure transducer 14 detects the force value of compressor 1 air vent more than A, control
Device controls the first control valve and switches to the second state, i.e. at least partly system coolant from original state
Without first throttle device 3, but enter dropping equipment 5 through the first control valve 6 and carry out blood pressure lowering,
Subsequently in vaporizer 4；When force value is less than A, controller then controls the first control valve
6 switch to original state from the second state so that the system coolant of refrigeration system fills through first throttle
Put 3 to enter in vaporizer 4, and be not passed through dropping equipment 5.Wherein setup pressure value C1 ＞
A ＞ C2.When system is carried out blood pressure lowering, system coolant part can be made to flow through first throttle dress
Putting 3, part flows through dropping equipment 5, it is possible to so that system coolant is all through dropping equipment 5 blood pressure lowering
Rear outflow.
In the present embodiment, the first control valve 6 is three-way valve, and the entrance point of dropping equipment 5 leads to
Cross three-way valve to be connected on the pipeline between condenser 2 and first throttle device 3.Three-way valve sets
Putting between condenser 2 and first throttle device 3, entrance point is connected with condenser 2, and first
The port of export is connected with first throttle device 3, and second port of export is connected with the entrance point of fluid reservoir 7.
The original state of three-way valve is that entrance point and first port of export are connected, now condenser 2 and first
Throttling arrangement 3 connects, and the entrance point of fluid reservoir 7 is off state, the second state of three-way valve
Being connected for entrance point and second port of export, now condenser 2 connects with the entrance point of fluid reservoir 7,
First throttle device 3 is off state.
When pressure transducer 14 detects the force value of compressor 1 air vent more than A, control
Device controls three-way valve and is in the second state, disconnects with first throttle device 3, fills with blood pressure lowering
Put 5 connections, so that system coolant flows through dropping equipment 5 carries out blood pressure lowering off-load.Work as pressure
When value is less than A, controller then controls three-way valve and is in original state, with first throttle device 3
Connection, disconnects with dropping equipment 5, so that system coolant stream is without dropping equipment 5
Carry out blood pressure lowering off-load.
Dropping equipment 5 also includes the second control valve being arranged on the port of export of the second throttling arrangement 8
9.Second control valve 9 is ended when refrigeration system is properly functioning, and anti-locking system coolant is from first segment
Enter dropping equipment 5 on the pipeline of the port of export of stream device 3 and system carried out blood pressure lowering, it is ensured that
System pressure in refrigeration system, it is ensured that the stable operation of refrigeration system, it is ensured that refrigeration system
Operational energy efficiency.Preferably, the second control valve 9 is check valve.Check valve is not required in refrigeration system
End time to be reduced pressure, it is possible to anti-locking system coolant reverse flow, turn on when needs blood pressure lowering, energy
System coolant is enough facilitated to flow out smoothly from dropping equipment 5, simple in construction, easy to control.
Second throttling arrangement 8 for example, capillary tube.Second throttling arrangement 8 can also be other classes
The throttle structure of type.
Preferably, refrigeration system also includes the gas-liquid separator being arranged on the air entry of compressor 1
10, dropping equipment 5 also includes the bypass pipe being connected between fluid reservoir 7 and gas-liquid separator 10
Road 11, bypass line 11 is provided with the 3rd control valve 12 and the 3rd throttling arrangement 13.Work as storage
When pressure in flow container 7 exceedes its setting value B, the 3rd control valve 12 is opened, when fluid reservoir 7
In pressure not less than its setting value B time, the 3rd control valve 12 is ended.Bypass line 11 can
Effectively the pressure in fluid reservoir 7 is controlled, prevent pressure in fluid reservoir 7 excessive and
Cause damage, it is ensured that the stable operation of refrigeration system.Wherein setup pressure value C1 ＞ B ＞ A ＞
C2。
Preferably, the 3rd control valve 12 is unloader, can directly set unlatching pressure, it is not necessary to
It is controlled by controller, the impact of the accuracy of detection of the sensor 14 that will not be under pressure, pressure
It is more accurate that power controls.Certainly, the 3rd control valve 12 can also be electromagnetic valve, is now accomplished by
Pressure in fluid reservoir 7 is detected, when the pressure in fluid reservoir 7 reaches preset value,
Controller controls the 3rd control valve 12 and opens, when the pressure in fluid reservoir 7 is less than preset value,
Controller controls the 3rd control valve 12 and cuts out, and bypass line 11 ends.
The pressure of opening connected with dropping equipment 5 of the first control valve 6 is less than the 3rd control valve 12
Open pressure.
In conjunction with shown in Figure 1, when refrigeration system operating pressure is normal, now at three-way valve
In original state, coolant is discharged from compressor 1, after condensed device 2, by three-way valve through
One throttling arrangement 3 throttles, through gas-liquid separator 10 times after then being evaporated by vaporizer 4
To compressor 1.Now coolant will not enter fluid reservoir 7, capillary tube and check valve series connection place pipe
Road and bypass line 11.
In conjunction with shown in Figure 2, when refrigeration system operating pressure exceeds standard, during more than A value, this
Time three-way valve can switch to the second state, coolant is after condensed device 2 discharged by compressor 1, logical
Arrive fluid reservoir 7 after crossing three-way valve, then by capillary-compensated, then arrive steaming through check valve
Send out device 4 to evaporate, after return to compressor 1 through gas-liquid separator 10.Due to now system pressure
Not arriving the unlatching pressure of the 3rd control valve 12 yet, the most whole process coolant is without first segment
Stream device 3 and bypass line 11.Owing to refrigeration system volume increases, can effectively reduce refrigeration
System running pressure.
In conjunction with shown in Figure 3, when refrigeration system operating pressure continues to rise, when fluid reservoir 7
In force value more than B value time, the state that refrigeration system is run is at three-way valve and dropping equipment 5
Connection, on the basis of system coolant flows through fluid reservoir 7, capillary tube and check valve, opens bypass pipe
Unloader on road 11, now the coolant part in fluid reservoir 7 is on bypass line 11
Arriving the import of gas-liquid separator 10 after unloader and capillary tube, part flows out laggard from check valve
Enter vaporizer 4, then into the import of gas-liquid separator 10.
In conjunction with seeing shown in Fig. 4 to Fig. 6, according to the second embodiment of the present utility model, its with
First embodiment is essentially identical, and difference is, in the present embodiment, and the first control valve 6
For unloader, unloader is arranged on the import department of dropping equipment 5, and the air vent of compressor 1 sets
Being equipped with pressure switch 15, the pressure protection value of pressure switch 15 is C1, and pressure recovery value is C2.
In conjunction with shown in Figure 4, when refrigeration system operating pressure is normal, now at three-way valve
In original state, coolant is discharged from compressor 1, after condensed device 2, through first throttle device 3
Throttle, after then being evaporated by vaporizer 4, return to compressor 1 through gas-liquid separator 10.
Now system pressure is not up to the unlatching pressure of the first control valve 6, coolant will not enter fluid reservoir 7,
Capillary tube and check valve series connection place pipeline and bypass line 11.
In conjunction with shown in Figure 5, when refrigeration system operating pressure exceeds standard, when refrigeration system pressure
Power reach the first setting value A but and during not up to the second setting value B, the first control valve 6 is opened,
Coolant, after condensed device 2 discharged by compressor 1, reaches fluid reservoir 7 by the first control valve 6,
Then by capillary-compensated, then evaporate through check valve arrival vaporizer 4, the 3rd control valve
12 not up to open pressure, and bypass line 11 ends.
In conjunction with shown in Figure 6, when refrigeration system operating pressure reaches the second setting value B,
First control valve 6 and the 3rd control valve 12 are all opened, and system coolant is through the first control valve 6
Being divided into two-way after entering into dropping equipment 5, a road is through fluid reservoir 7, capillary tube and check valve, so
Enter into gas-liquid separator 10 after evaporating by vaporizer 4, separately lead up to the 3rd control valve 12
Enter bypass line 11, after being then passed through the capillary-compensated on bypass line 11, enter into gas-liquid
Separator 10, after return to compressor 1 through gas-liquid separator 10.
When refrigeration system carries out blood pressure lowering, owing to the coolant in refrigeration system passes through first segment simultaneously
Stream device 3 and capillary-compensated, increase system cold medium flux, simultaneously because refrigeration system is returned
Connect in road fluid reservoir 7, increased refrigeration system volume, therefore can effectively reduce condensation side
System pressure.
According to embodiment of the present utility model, refrigerating transport vehicle includes refrigeration system, this refrigeration system
System is above-mentioned refrigeration system.
In conjunction with shown in Figure 7, according to embodiment of the present utility model, above-mentioned refrigeration system
Control method include: step S1: detecting system pressure；Step S2: when system pressure being detected
When power exceedes preset value A, open the dropping equipment 5 in parallel with first throttle device 3, and control
Make at least part of system coolant and flow to first throttle device 3 through the fluid reservoir 7 of dropping equipment 5
On the pipeline of the port of export.Flow to first throttle device 3 through the fluid reservoir 7 of dropping equipment 5 go out
System coolant quantity on the pipeline of mouth end can be by controlling the openings of sizes of first throttle device 3
Regulate, part system coolant Liu Jing first throttle device 3, part system coolant Liu Jing can be made
Dropping equipment 5, it is also possible to first throttle device 3 is completely closed so that system coolant all flows
Through dropping equipment 5.
Control method also includes: step S3: when detecting that system pressure exceedes preset value B,
Open the bypass line 11 being connected between fluid reservoir 7 and gas-liquid separator 10, control part position
System coolant in fluid reservoir 7 flows to gas-liquid separator 10 through bypass line 11, wherein
B>A.When system pressure exceedes preset value B, illustrate that system running pressure is the most excessive, meeting
Affect stability and reliability that refrigeration system is run, the most now can be directly by part system
Coolant is delivered in gas-liquid separator 10, and is not involved in evaporation and heat-exchange, therefore, it is possible to effectively reduce
System running pressure so that system running pressure is normal.
Control method also includes: step S4: when detecting that system pressure exceedes preset value C1,
Control compressor 1 to shut down；Step S5: when detecting that system pressure is less than or equal to preset value C2
Time, control compressor startup optimization again；Wherein C1 ＞ B ＞ A ＞ C2.Surpass at system pressure
When crossing preset value C1, illustrate that system pressure is beyond safety value, it is therefore desirable to control compressor 1
Shut down, to protect refrigeration unit, when system pressure is less than or equal to preset value C2, system is described
In system, pressure has responded to normally, and refrigeration system can the most normally work.By this kind of mode,
Can ensure that system operates under safe pressure all the time.
Certainly, it is above preferred implementation of the present utility model.It should be pointed out that, for this skill
For the those of ordinary skill in art field, on the premise of without departing from this utility model ultimate principle,
Can also make some improvements and modifications, these improvements and modifications are also considered as guarantor of the present utility model
Protect scope.
Claims (10)
1. a refrigeration system, it is characterised in that include compressor (1), condenser (2),
One throttling arrangement (3) and vaporizer (4), described first throttle device (3) is arranged on described
On pipeline between condenser (2) and described vaporizer (4), described refrigeration system also includes
Dropping equipment (5), described dropping equipment (5) is in parallel with described first throttle device (3),
Described dropping equipment (5) includes fluid reservoir (7) and controls the pipeline of described dropping equipment (5)
First control valve (6) of break-make.
Refrigeration system the most according to claim 1, it is characterised in that described dropping equipment (5)
Also include the second throttling arrangement (8) being arranged on the port of export of described fluid reservoir (7), described fall
Pressure device (5) also includes the second control being arranged on the port of export of described second throttling arrangement (8)
Valve processed (9).
Refrigeration system the most according to claim 2, it is characterised in that described second control valve
(9) being check valve, described second throttling arrangement (8) is capillary tube.
Refrigeration system the most according to claim 1, it is characterised in that described refrigeration system is also
Including the gas-liquid separator (10) of the air entry being arranged on described compressor (1), described blood pressure lowering
Device (5) also include being connected to described fluid reservoir (7) and described gas-liquid separator (10) it
Between bypass line (11), described bypass line (11) is provided with the 3rd control valve (12)
With the 3rd throttling arrangement (13).
Refrigeration system the most according to claim 4, it is characterised in that described 3rd control valve
(12) being unloader, described 3rd throttling arrangement (13) is capillary tube.
Refrigeration system the most according to claim 4, it is characterised in that described first control valve
(6) the pressure of opening connected with described dropping equipment (5) is less than described 3rd control valve (12)
Open pressure.
Refrigeration system the most according to any one of claim 1 to 6, it is characterised in that institute
Stating the first control valve (6) is three-way valve, and the entrance point of described dropping equipment (5) is by described
Three-way valve is connected to the pipeline between described condenser (2) and described first throttle device (3)
On.
Refrigeration system the most according to any one of claim 1 to 6, it is characterised in that institute
Stating the first control valve (6) is unloader, and described unloader is arranged on described dropping equipment (5)
Import department.
Refrigeration system the most according to any one of claim 1 to 6, it is characterised in that institute
The air vent stating compressor (1) is provided with pressure transducer (14) or pressure switch (15).
10. a refrigerating transport vehicle, including refrigeration system, it is characterised in that described refrigeration system
Refrigeration system according to any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620136185.3U CN205561354U (en) | 2016-02-23 | 2016-02-23 | Refrigerating system and refrigerated transport vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620136185.3U CN205561354U (en) | 2016-02-23 | 2016-02-23 | Refrigerating system and refrigerated transport vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205561354U true CN205561354U (en) | 2016-09-07 |
Family
ID=56818488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620136185.3U Withdrawn - After Issue CN205561354U (en) | 2016-02-23 | 2016-02-23 | Refrigerating system and refrigerated transport vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205561354U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105588376A (en) * | 2016-02-23 | 2016-05-18 | 珠海格力电器股份有限公司 | Refrigerating system, control method thereof and refrigerated transport vehicle |
| WO2024037596A1 (en) * | 2022-08-18 | 2024-02-22 | 百穰新能源科技(深圳)有限公司 | Storage unit for carbon dioxide gas-liquid phase-change energy storage system, control method, and system |
-
2016
- 2016-02-23 CN CN201620136185.3U patent/CN205561354U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105588376A (en) * | 2016-02-23 | 2016-05-18 | 珠海格力电器股份有限公司 | Refrigerating system, control method thereof and refrigerated transport vehicle |
| CN105588376B (en) * | 2016-02-23 | 2023-11-24 | 珠海格力电器股份有限公司 | Refrigerating system, control method thereof and refrigerated transport vehicle |
| WO2024037596A1 (en) * | 2022-08-18 | 2024-02-22 | 百穰新能源科技(深圳)有限公司 | Storage unit for carbon dioxide gas-liquid phase-change energy storage system, control method, and system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160907 Effective date of abandoning: 20231124 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20160907 Effective date of abandoning: 20231124 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |