CN205033907U - Refrigerator car air conditioning system and refrigerator car - Google Patents
Refrigerator car air conditioning system and refrigerator car Download PDFInfo
- Publication number
- CN205033907U CN205033907U CN201520792860.3U CN201520792860U CN205033907U CN 205033907 U CN205033907 U CN 205033907U CN 201520792860 U CN201520792860 U CN 201520792860U CN 205033907 U CN205033907 U CN 205033907U
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- Prior art keywords
- van cooler
- compressor
- van
- separating device
- oil return
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- 238000004378 air conditioning Methods 0.000 title abstract 4
- 239000003507 refrigerant Substances 0.000 claims abstract description 36
- 238000000926 separation method Methods 0.000 claims abstract description 26
- 230000008676 import Effects 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 20
- 238000005057 refrigeration Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 109
- 235000003642 hunger Nutrition 0.000 description 16
- 230000037351 starvation Effects 0.000 description 16
- 239000010687 lubricating oil Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 8
- 238000010257 thawing Methods 0.000 description 8
- 101100194816 Caenorhabditis elegans rig-3 gene Proteins 0.000 description 7
- 101100194817 Caenorhabditis elegans rig-6 gene Proteins 0.000 description 6
- 239000010725 compressor oil Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000011521 glass Substances 0.000 description 5
- 208000004631 alopecia areata Diseases 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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Abstract
The utility model discloses a refrigerator car air conditioning system and refrigerator car. The air conditioning system of the refrigerator car comprises a compressor, a first heat exchange device, a first throttling device and a second heat exchange device which are connected through a refrigerant pipeline to form a refrigeration loop, the air conditioning system of the refrigerator car further comprises an oil separation device, an oil return loop and a control device, the oil separation device is connected to the refrigerant pipeline of an outlet of the compressor, an inlet of the oil return loop is connected with an oil return port of the oil separation device, an outlet of the oil return loop is connected with an inlet of the compressor, and the control device is used for controlling whether the oil separation device or the oil return loop works or not. The utility model discloses the phenomenon of compressor lack of oil can be alleviated.
Description
Technical field
The utility model relates to air conditioner technical field, particularly a kind of van cooler a/c system and van cooler.
Background technology
Along with people are to the raising of the fresh-keeping requirement of the daily necessitiess such as food, the application food in transportation being carried out to the van cooler of freezing and refrigeration is also more and more extensive.Van cooler when freezing in its compartment temperature requirement remain on very low state (about-18 DEG C) always, reliability requirement is high, and now the evaporating temperature of the evaporator of van cooler a/c system can be lower, and compressor needs larger free air capacity.
Realizing contriver's discovery in process of the present utility model, van cooler a/c system is when free air capacity is larger, and swash plate piston compressor is easy to the problem producing seizing of piston.Contriver finds after having carried out careful deep analysis to this phenomenon Producing reason, and the phenomenon that swash plate piston compressor is easy to produce seizing of piston causes due to compressor oil starvation.
On the basis of the above analysis of causes, contriver finds further, in prior art, the installation site of compressor is on the lower side, and the refrigeration system of van cooler a/c system does not generally arrange oil return, directly with a small amount of lubricating oil in the high-temperature exhaust air of compressor, high-temperature exhaust air with lubricating oil directly enters condenser, and the refrigeration circuit of whole van cooler a/c system is longer simultaneously, easily causes grease accumulation at interlude, cannot compressor be got back to, cause compressor oil starvation.If adopt the condenser of parallel flow in van cooler a/c system, the difficulty of automatic oil return also will increase further.The piston compressors such as swash plate piston compressor are responsive especially for oil starvation, therefore when compressor high free air capacity easily because oil starvation produces the consequence of seizing of piston.In addition, although the compressor of other type has obvious external manifestation when oil starvation unlike swash plate piston compressor, oil starvation also causes harmful effect to the performance of the compressor of other type and life-span.
Utility model content
The purpose of this utility model is to provide a kind of van cooler a/c system and van cooler, to solve the problem of the easy oil starvation of compressor in van cooler a/c system.
The utility model first aspect provides a kind of van cooler a/c system, comprise the compressor connecting to be formed refrigerating circuit by refrigerant pipeline, first heat-exchanger rig, first throttle device and the second heat-exchanger rig, described van cooler a/c system also comprises oil separating device, oil return circuit and control setup, described oil separating device is connected on the described refrigerant pipeline of the outlet of described compressor, the import of described oil return circuit is connected with the return opening of described oil separating device, the outlet of described oil return circuit is connected with the import of described compressor, described control setup is for controlling described oil separating device or whether described oil return circuit works.
Further, described control setup comprises the first control cock be arranged on described oil return circuit.
Further, described first control cock is electromagnetic valve.
Further, described oil return circuit is provided with the second throttling device.
Further, described second throttling device comprises oily separation capillary.
Further, it is characterized in that, described oil return circuit is provided with the second throttling device, and described second throttling device serial connection is between described first control cock and the import of described compressor.
Further, described control setup comprises the second control cock, the 3rd control cock and bypass circulation, described second control cock and described 3rd control cock are connected in series in described oil separating device on the described refrigerant pipeline at described oil separating device two ends respectively, described bypass circulation is in parallel with described second control cock, described oil separating device and described 3rd control cock, described bypass circulation is provided with the 4th control cock.
Further, described van cooler a/c system also comprises the first gas-liquid separation device on the described refrigerant pipeline of the import being connected to described compressor, and the outlet of described oil return circuit is connected with the import of described first gas-liquid separation device.
Further, described van cooler a/c system also comprises reversing arrangement, described reversing arrangement is connected on the described refrigerant pipeline of the outlet of described compressor, described first heat-exchanger rig is connected respectively by the outlet of described reversing arrangement with described compressor with described second heat-exchanger rig, and described oil separating device is arranged on the described refrigerant pipeline between the outlet of described compressor and described reversing arrangement.
Further, described compressor is piston compressor.
The utility model second aspect provides a kind of van cooler, comprises van cooler a/c system, the van cooler a/c system of described van cooler a/c system according to any one of the utility model first aspect.
Further, described van cooler comprises the first installing zone of the under-cab being positioned at described van cooler, and the compressor of described van cooler a/c system is installed on described first installing zone; And/or described van cooler comprises the second installing zone between the operator's compartment and the compartment of described van cooler of described van cooler, the oil separating device of described van cooler a/c system is installed on described second installing zone.
Further, described van cooler comprises the adapter plate being arranged at described second installing zone, and the control setup of described oil separating device and/or described van cooler a/c system is installed on described adapter plate.
Further, described van cooler also comprises the pressure detecting element of the delivery pressure for detecting described compressor, and described pressure detecting element is installed on described adapter plate.
The van cooler a/c system provided based on the utility model and van cooler, van cooler a/c system comprises oil separating device, oil return circuit and control setup, oil separating device is connected on the refrigerant pipeline of the outlet of compressor, the import of oil return circuit is connected with the return opening of oil separating device, the outlet of oil return circuit is connected with the import of compressor, and control setup is for controlling oil separating device or whether oil return circuit works.Owing to arranging oil separating device and oil return circuit, can, when oil separating device and oil return circuit all work, make the lubricating oil portion be blended in the exhaust of compressor flow back to compressor, thus alleviate the phenomenon of compressor oil starvation.Further, owing to being provided with control setup, can, when the intact alopecia areata danger of compressor, by the operation to control setup, oil separating device or oil return circuit be quit work, thus reduce the degradation of energy of compressor air-discharging.
By referring to the detailed description of accompanying drawing to exemplary embodiment of the present utility model, further feature of the present utility model and advantage thereof will become clear.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the van cooler a/c system schematic diagram of the utility model specific embodiment.
Fig. 2 is the schematic diagram that van cooler a/c system embodiment illustrated in fig. 1 carries out refrigerating cycle.
Fig. 3 is the schematic diagram that van cooler a/c system embodiment illustrated in fig. 1 carries out heating circulation.
Fig. 4 is the position view of each component part of van cooler a/c system embodiment illustrated in fig. 1.
In Fig. 1 to Fig. 4, each Reference numeral represents respectively:
1, compressor;
2, reversing arrangement;
3, the first heat-exchanger rig;
4, the first check valve;
5, the second gas-liquid separation device;
6, the 3rd heat-exchanger rig;
7, device for drying and filtering;
8, liquid-sighting glass;
9, first throttle device;
10, the 3rd throttling device;
11, the second heat-exchanger rig;
12, defrosting device;
13, oil separating device;
14, the second throttling device;
15, the first control cock;
16, the first gas-liquid separation device;
17, the second check valve;
18, the 3rd check valve;
20, van cooler;
21, the first installing zone;
22, the second installing zone;
23, the 3rd installing zone;
24, cold storage and air conditioner air outlet;
25, compartment;
26, operator's compartment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the utility model and application or use.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Unless specifically stated otherwise, otherwise positioned opposite, the numerical expression of the parts of setting forth in these embodiments and step and numerical value do not limit scope of the present utility model.Meanwhile, it should be understood that for convenience of description, the size of the various piece shown in accompanying drawing is not draw according to the proportionate relationship of reality.May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in the appropriate case, described technology, method and apparatus should be regarded as a part of authorizing specification sheets.In all examples with discussing shown here, any occurrence should be construed as merely exemplary, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to be further discussed it in accompanying drawing subsequently.
Fig. 1 is the van cooler a/c system schematic diagram of the utility model specific embodiment.
As shown in Figure 1, the van cooler a/c system of this embodiment mainly comprises and connects to be formed compressor 1, first heat-exchanger rig 3 of refrigerating circuit, first throttle device 9 and the second heat-exchanger rig 11 by refrigerant pipeline.Van cooler a/c system also comprises oil separating device 13, oil return circuit and control setup.Oil separating device 13 is connected on the refrigerant pipeline of the outlet of compressor 1.The import of oil return circuit is connected with the return opening of oil separating device 13, and the outlet of oil return circuit is connected with the import of compressor 1.Whether control setup has fluid to pass through for controlling in oil separating device 13 or oil return circuit.
Owing to arranging oil separating device 13 and oil return circuit, can, when oil separating device 13 and oil return circuit all work, make the lubricating oil portion be blended in the exhaust of compressor 1 flow back to compressor 1, thus alleviate the phenomenon of compressor 1 oil starvation.Further, owing to being provided with control setup, can, when the intact alopecia areata danger of compressor 1, by the operation to control setup, oil separating device 13 or oil return circuit be quit work, thus reduce the degradation of energy of compressor air-discharging.
As shown in Figure 1, in the present embodiment, control setup comprises the first control cock 15 be arranged on oil return circuit.Preferably, the first control cock 15 is electromagnetic valve, is beneficial to the electrical control of oil return.
As shown in Figure 1, oil return circuit is also provided with the second throttling device 14.Second throttling device can make the fluid entered in oil return circuit reduce temperature and pressure, mates preferably with the temperature and pressure of the import refrigerant with compressor 1.In the present embodiment, the second throttling device 14 comprises oily separation capillary.Second throttling device 14 is serially connected with between the first control cock 15 and the import of compressor 1.
As shown in Figure 1, this van cooler a/c system also comprises the first gas-liquid separation device 16 on the refrigerant pipeline of the import being connected to compressor 1, and the outlet of oil return circuit is connected with the import of the first gas-liquid separation device 16.The refrigerant that first gas-liquid separation device 16 can guarantee to carry out compressor 1 is gaseous coolant.
As shown in Figure 1, the van cooler a/c system of this embodiment also comprises reversing arrangement 2, and reversing arrangement 2 is connected on the refrigerant pipeline of the outlet of compressor 1, and the first heat-exchanger rig 3 is connected respectively by the outlet of reversing arrangement 2 with compressor 1 with the second heat-exchanger rig 11.Oil separating device 13 is arranged on the refrigerant pipeline between the outlet of compressor 1 and reversing arrangement 2.Reversing arrangement 2 can switch in refrigerating cycle pattern and heating between circulation pattern by van cooler a/c system, is convenient to the defrosting of van cooler a/c system.Reversing arrangement 2 is in particular four-way cock in the present embodiment.
The compressor 1 of the present embodiment is in particular swash plate piston compressor.First throttle device 9 is in particular heating power expansion valve.
As shown in Figure 1, the van cooler a/c system of the present embodiment also comprises the second gas-liquid separation device 5, the 3rd heat-exchanger rig 6, device for drying and filtering 7, liquid-sighting glass 8, the 3rd throttling device 10, defrosting device 12, gas-liquid separation device 16, second check valve 17 and the 3rd check valve 18.Wherein, the 3rd heat-exchanger rig 6 is auxiliary condensing plants of van cooler a/c system.3rd throttling device 10 is specifically as follows defrost capillary tub.Defrosting device 12 is specifically as follows defrost pipe.Second gas-liquid separation device 5, the 3rd heat-exchanger rig 6, device for drying and filtering 7 and liquid-sighting glass 8 are serially connected with on the refrigerant pipeline between the first heat-exchanger rig 3 and first throttle device 9 successively.First check valve 4 is in parallel with the first heat-exchanger rig 3 and the second gas-liquid separation device 5.Second check valve 17 and the 3rd throttling device 10 are in parallel with first throttle device 9 after connecting.3rd check valve 18 and defrosting device 12 are in parallel with the second heat-exchanger rig 11 after connecting.Wherein, arranging of the second gas-liquid separation device 5, the 3rd heat-exchanger rig 6, the 3rd throttling device 10, defrosting device 12, second check valve 17 and the 3rd check valve 18 all carries out heating circulation in order to during the defrost of van cooler a/c system.
Fig. 2 is the schematic diagram that van cooler a/c system embodiment illustrated in fig. 1 carries out refrigerating cycle.
As shown in Figure 2, when van cooler a/c system carries out refrigerating cycle, the outlet that reversing arrangement 2 switches to oil separating device 3 is communicated with the first heat-exchanger rig 3, and the import of the first gas-liquid separation device 16 is communicated with the second heat-exchanger rig 11.The gaseous coolant of High Temperature High Pressure carries parts of lubricating oil and enters oil separating device 13 from the outlet of compressor 1, by reversing arrangement 2 respectively through the first heat-exchanger rig 3, second gas-liquid separation device 5, the 3rd heat-exchanger rig 6, complete condensation process, the moisture in refrigerant is absorbed again by dry filtrating equipment 7, refrigerant state is checked by liquid-sighting glass 8, after first throttle device 9 throttling, produce low-temp low-pressure refrigerant enter the second heat-exchanger rig 11, entered the import of compressor 1 after completing heat exchange by the first gas-liquid separation device 16, complete a refrigerating cycle.
Fig. 3 is the schematic diagram that van cooler a/c system embodiment illustrated in fig. 1 carries out heating circulation.
As shown in Figure 3, when needs defrost, van cooler a/c system carries out heating circulation.As shown in Figure 3, heat the outlet that circulation time reversing arrangement 2 switches to oil separating device 3 and be communicated with the second heat-exchanger rig 11, the import of the first gas-liquid separation device 16 is communicated with the first heat-exchanger rig 3.The gaseous coolant of High Temperature High Pressure carries parts of lubricating oil and enters oil separating device 13 from the outlet of compressor 1, by reversing arrangement 2 respectively through the second heat-exchanger rig 11, 3rd check valve 18, defrosting device 12, after completing heat release defrosting process, refrigerant state is checked by liquid-sighting glass 8 again respectively through after first throttle device 9 and the 3rd throttling device 10 throttling, the moisture in refrigerant is absorbed by dry filtrating equipment 7, produce low-temp low-pressure refrigerant and enter the 3rd heat-exchanger rig 6, entered the import of compressor by the first gas-liquid separation device 16 after completing heat exchange, complete one and heat circulation.
When oil separating device 13 and oil return circuit work, refrigerating cycle described above with heat circulation two the gaseous state lubricating oil that all oil separating device 13 can be utilized to be carried by high temperature refrigerant at the outlet of compressor 1 (exhaust side) that circulates and be separated with refrigerant, after lubricating oil is separated from high temperature refrigerant, enter oil return circuit, gaseous state lubricating oil, through the second throttling device 14, becomes Low temperature low pressure liquid and follows low-temperature low-pressure refrigerant and get back to the import (suction side) of compressor and come back in compressor 1 after the second throttling device 14 throttling.
Sub-fraction refrigerant due to the exhaust side of compressor can be followed lubricating oil and be got back to suction side together, therefore can cause the loss of the exhaust energy of compressor, and then causes the refrigerating capacity part of van cooler a/c system to decay.Therefore, control setup is set to control oil return, only can make oil extractor and oil return circuit work when compressor has oil starvation risk, and do not do at the intact alopecia areata danger time control liquefaction disconnector of compressor or oil return circuit, thus on the basis of problem solving compressor oil starvation, the exhaust energy loss of compressor can be reduced as much as possible.
Above embodiment should not limit the utility model, and such as, in a not shown embodiment, control setup can comprise the second control cock, the 3rd control cock and bypass circulation.Second control cock and the 3rd control cock are connected in series in oil separating device on the refrigerant pipeline at oil separating device two ends respectively.Bypass circulation is in parallel with the second control cock, oil separating device and the 3rd control cock.Bypass circulation is provided with four control cock.When making have fluid to circulate in oil return circuit, the second control cock, the 3rd control cock and close the 4th control cock can be opened, thus make oil separating device and oil return circuit work, the exhaust stream of compressor is separated through oil separating device, the oil gas of return opening and the compound of refrigerant enter oil return circuit, finally get back to the import of compressor.Closedown second control cock, the 3rd control cock and open the 4th control cock time, can excise oil separating device and oil return circuit from system, make the two all not work, the now exhaust of compressor directly enters in reversing arrangement without oil separating device.Second control cock, the 3rd control cock and the 4th control cock are preferably electromagnetic valve, are beneficial to the electrical control of oil return.
The present embodiment also provides a kind of control method for controlling aforesaid van cooler a/c system.This control method comprises: judge whether the compressor 1 of van cooler a/c system has oil starvation risk, if judged result is, the control setup operating van cooler a/c system makes oil separating device 13 and the oil return circuit work of van cooler a/c system, if judged result for otherwise operating control makes oil separating device 13 or oil return circuit quit work.
In embodiment shown in Fig. 1 to Fig. 3, when judged result is for being, opening the first control cock 15, when judged result is no, closing the first control cock.
Wherein, judge that the time of the fluid the circulation whether compressor 1 of van cooler a/c system has when oil starvation risk comprises according to the exhaust temperature of compressor 1 and/or runs continuously according to van cooler a/c system in oil return circuit judges.
In the present embodiment, when the exhaust temperature of compressor 1 is more than or equal to the first temperature, and/or when being more than or equal to the first duration without the time of fluid circulation in oil return circuit when van cooler a/c system runs continuously, judged result is yes.
In the present embodiment, when the fluid currency when exhaust temperature of compressor 1 is less than or equal to the second temperature and/or in oil return circuit is more than or equal to the second duration, judged result is no.Wherein, the second temperature is lower than the first temperature.
The utility model embodiment also provides a kind of van cooler, comprises aforesaid van cooler a/c system.
Fig. 4 is the position view of each component part of van cooler a/c system embodiment illustrated in fig. 1.
As shown in Figure 4, this van cooler comprise be positioned at van cooler 20 operator's compartment 26 below the compressor 1 of the first installing zone 21 van cooler a/c system be installed on the first installing zone 21.
This van cooler also comprises the second installing zone 22 between the operator's compartment and the compartment 25 of van cooler 20 of van cooler 20, and oil separating device 13 is installed on the second installing zone 22.This setting is beneficial to the layout of oil separating device 13.
Van cooler comprises the adapter plate being arranged at the second installing zone 22, and oil separating device 13 and/or control setup are installed on adapter plate.Van cooler also comprises the pressure detecting element of the delivery pressure for detecting compressor 1 further, and pressure detecting element is installed on adapter plate.Due to limited space under operator's compartment 26, therefore the related elements of oil separating device and/or other van cooler a/c system such as control setup and pressure detecting element can be arranged formation adapter plate assembly on a mounting board.Adapter plate assembly forms the buffering parts of compressor and heat-exchanger rig.
As shown in Figure 4, van cooler is also provided with the 3rd installing zone 23.3rd installing zone 23 is positioned at the top, front side in compartment.Van cooler a/c system is that the part that compartment 25 freezes is installed on the 3rd installing zone 23.Cold storage and air conditioner air outlet 24 is arranged at the junction in the 3rd installing zone 23 and compartment 25.The part of the air in the adjustment operator's compartment 26 of van cooler a/c system is arranged at frame and sails in room 26.
Known according to above description, the above embodiment tool of the utility model has the following advantages:
The lubricating oil portion that the high-temperature exhaust air of compressor outlet can be made to carry is got back in compressor.Such as, when compressor is the piston compressors such as inclined disc type piston compressor, parts of lubricating oil can be made to get back in the compressor cylinder of compressor, guarantee that compressor can not because of oil starvation card cylinder.Due to gathering of lubricating oil in the first heat-exchanger rig and the second heat-exchanger rig can be avoided, the heat exchange efficiency of the first heat-exchanger rig and the second heat-exchanger rig can also be improve.And oil separating device and oil return circuit composition simple, be easy to realize.In addition, control setup can also be utilized to control oil return, can avoid opening for a long time when not needing oil return oil separating device and oil return circuit causes the exhaust energy of compressor to lose and refrigerating capacity is lost, the risk that oil return reduces compressor oil starvation can be realized again where necessary, improve compressor operating reliability, thus reduce the impact of oil return on van cooler a/c system refrigerating capacity on the basis of reducing compressor oil starvation risk.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to detailed description of the invention of the present utility model or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (14)
1. a van cooler a/c system, comprise the compressor (1) connecting to be formed refrigerating circuit by refrigerant pipeline, first heat-exchanger rig (3), first throttle device (9) and the second heat-exchanger rig (11), it is characterized in that, described van cooler a/c system also comprises oil separating device (13), oil return circuit and control setup, described oil separating device (13) is connected on the described refrigerant pipeline of the outlet of described compressor (1), the import of described oil return circuit is connected with the return opening of described oil separating device (13), the outlet of described oil return circuit is connected with the import of described compressor (1), described control setup is for controlling described oil separating device (13) or whether described oil return circuit works.
2. van cooler a/c system according to claim 1, is characterized in that, described control setup comprises the first control cock (15) be arranged on described oil return circuit.
3. van cooler a/c system according to claim 2, is characterized in that, described first control cock (15) is electromagnetic valve.
4. van cooler a/c system according to claim 1, is characterized in that, described oil return circuit is provided with the second throttling device (14).
5. van cooler a/c system according to claim 4, is characterized in that, described second throttling device (14) comprises oily separation capillary.
6. van cooler a/c system according to claim 2, it is characterized in that, it is characterized in that, described oil return circuit is provided with the second throttling device (14), and described second throttling device (14) is serially connected with between the import of described first control cock (15) and described compressor (1).
7. van cooler a/c system according to any one of claim 1 to 6, it is characterized in that, described control setup comprises the second control cock, the 3rd control cock and bypass circulation, described second control cock and described 3rd control cock are connected in series in described oil separating device on the described refrigerant pipeline at described oil separating device two ends respectively, described bypass circulation is in parallel with described second control cock, described oil separating device and described 3rd control cock, described bypass circulation is provided with the 4th control cock.
8. van cooler a/c system according to any one of claim 1 to 6, it is characterized in that, described van cooler a/c system also comprises the first gas-liquid separation device (16) on the described refrigerant pipeline of the import being connected to described compressor (1), and the outlet of described oil return circuit is connected with the import of described first gas-liquid separation device (16).
9. van cooler a/c system according to any one of claim 1 to 6, it is characterized in that, described van cooler a/c system also comprises reversing arrangement (2), described reversing arrangement (2) is connected on the described refrigerant pipeline of the outlet of described compressor (1), described first heat-exchanger rig (3) is connected respectively by the outlet of described reversing arrangement (2) with described compressor (1) with described second heat-exchanger rig (11), described oil separating device (13) is arranged on the described refrigerant pipeline between the outlet of described compressor (1) and described reversing arrangement (2).
10. van cooler a/c system according to any one of claim 1 to 6, is characterized in that, described compressor (1) is piston compressor.
11. 1 kinds of van coolers, comprise van cooler a/c system, it is characterized in that, described van cooler a/c system is van cooler a/c system according to any one of claim 1 to 10.
12. van coolers according to claim 11, it is characterized in that, described van cooler comprises first installing zone (21) of operator's compartment (26) below being positioned at described van cooler (20), and the compressor (1) of described van cooler a/c system is installed on described first installing zone (21); And/or, described van cooler comprises the second installing zone (22) between operator's compartment (26) and the compartment (25) of described van cooler (20) being positioned at described van cooler (20), and the oil separating device (13) of described van cooler a/c system is installed on described second installing zone (22).
13. van coolers according to claim 12, it is characterized in that, described van cooler comprises the adapter plate being arranged at described second installing zone (22), and the control setup of described oil separating device (13) and/or described van cooler a/c system is installed on described adapter plate.
14. van coolers according to claim 13, is characterized in that, described van cooler also comprises the pressure detecting element of the delivery pressure for detecting described compressor (1), and described pressure detecting element is installed on described adapter plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520792860.3U CN205033907U (en) | 2015-10-14 | 2015-10-14 | Refrigerator car air conditioning system and refrigerator car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520792860.3U CN205033907U (en) | 2015-10-14 | 2015-10-14 | Refrigerator car air conditioning system and refrigerator car |
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| Publication Number | Publication Date |
|---|---|
| CN205033907U true CN205033907U (en) | 2016-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520792860.3U Withdrawn - After Issue CN205033907U (en) | 2015-10-14 | 2015-10-14 | Refrigerator car air conditioning system and refrigerator car |
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| Country | Link |
|---|---|
| CN (1) | CN205033907U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216585A (en) * | 2015-10-14 | 2016-01-06 | 珠海格力电器股份有限公司 | Refrigerator car air conditioning system, control method thereof and refrigerator car |
| CN106740402A (en) * | 2017-02-28 | 2017-05-31 | 宁波华斯特林电机制造有限公司 | A kind of Stirling motor logistics refrigerator car |
-
2015
- 2015-10-14 CN CN201520792860.3U patent/CN205033907U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216585A (en) * | 2015-10-14 | 2016-01-06 | 珠海格力电器股份有限公司 | Refrigerator car air conditioning system, control method thereof and refrigerator car |
| CN105216585B (en) * | 2015-10-14 | 2018-04-17 | 珠海格力电器股份有限公司 | Refrigerator car air conditioning system, control method thereof and refrigerator car |
| CN106740402A (en) * | 2017-02-28 | 2017-05-31 | 宁波华斯特林电机制造有限公司 | A kind of Stirling motor logistics refrigerator car |
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