CN216111015U - Backstop subassembly, refrigerating unit and refrigerator car - Google Patents
Backstop subassembly, refrigerating unit and refrigerator car Download PDFInfo
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- CN216111015U CN216111015U CN202122911713.1U CN202122911713U CN216111015U CN 216111015 U CN216111015 U CN 216111015U CN 202122911713 U CN202122911713 U CN 202122911713U CN 216111015 U CN216111015 U CN 216111015U
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- condenser
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Abstract
The utility model provides a stopping component, a refrigerating unit and a refrigerator car, wherein the stopping component is used for stopping hot gas generated by a vehicle engine from entering an air inlet of a condenser of the refrigerating unit and comprises a stopping component and a mounting component, and the stopping component is mounted on the mounting component and is arranged between an exhaust passage of the vehicle engine and the air inlet of the condenser through the mounting component. In the stop assembly, the refrigerating unit and the refrigerator car, the stop plate is arranged on the exhaust passage of the engine, so that high-temperature gas generated by the engine is prevented from entering the air inlet of the condenser of the refrigerating unit, the problem of overhigh inlet temperature of the condenser caused by the mixing of the high-temperature gas and the inlet air of the condenser is effectively solved, and the refrigerating efficiency of the refrigerating unit is improved.
Description
Technical Field
The utility model relates to the technical field of refrigeration, in particular to a stop assembly, a refrigerating unit and a refrigerator car.
Background
A refrigerator car refers to a closed type van for maintaining the temperature of frozen or fresh goods, and is commonly used to transport frozen foods, dairy products, vegetables and fruits, vaccine drugs, and the like. The refrigerator car is provided with a refrigerating unit, and a compressor, a condenser, an expansion valve and an evaporator in the refrigerating unit are connected by pipelines to form a refrigerant circulating loop for supplying cold for the refrigerator car.
In the existing refrigerating unit of the refrigerator car, in order to prevent hot gas generated by an engine of the refrigerator car from entering the refrigerating unit to influence the refrigerating effect of the refrigerating unit, the shape of a shell of the refrigerating unit is utilized to prevent the hot gas from directly entering a condenser. The mode of the shell natural blocking state adopted at present enables hot gas generated by an engine to be blocked by the shell of the refrigerating unit so as to be scattered all around. In the blocking mode, part of hot gas is guided by the shape of the shell, so that the guided hot gas cannot be mixed with the inlet air of the condenser, but a large part of hot gas still can be mixed with the inlet air of the condenser, so that the condensing effect of the condenser is poor, and the refrigerating efficiency of the refrigerating unit is reduced.
The problem that the refrigerating efficiency of the refrigerator is reduced due to the fact that hot air generated by the engine of the fuel refrigerator car is mixed with inlet air of the condenser is solved, and the refrigerating efficiency of the refrigerator is improved.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides a stop assembly, a refrigeration unit and a refrigerator car, which can prevent hot air generated by an engine from being mixed with intake air of a condenser of the refrigeration unit.
In one aspect, the present invention provides a stop assembly for stopping hot gas generated by a vehicle engine from entering an air inlet of a condenser of a refrigeration unit, the stop assembly comprising a stop member and a mounting member, the stop member being mounted on the mounting member and interposed between an exhaust passage of the vehicle engine and the air inlet of the condenser through the mounting member.
In one embodiment, the stopper is a flat plate structure made of flexible heat insulating material.
In one embodiment, the mount secures an upper edge of the stop to a bottom of the refrigeration unit housing.
In one embodiment, the stopper is made of flexible heat insulating material and bent back and forth in the exhaust passage.
In one embodiment, the stopper is a rollable structure made of flexible heat insulating material.
In one embodiment, the stop component further comprises a motor, and one end of the stop component is connected to a rotating shaft of the motor or a rotating shaft connected with the motor in a winding manner.
In one embodiment, the stopper assembly further comprises a temperature sensor disposed in the exhaust passage, the temperature sensor sensing a temperature in the exhaust passage, and a controller electrically connected to the temperature sensor and the motor to control the motor by receiving a temperature signal from the temperature sensor.
In another aspect, the utility model provides a refrigeration unit, which includes a refrigeration unit housing, and a compressor and a condenser disposed in the refrigeration unit housing, wherein the refrigeration unit housing is provided with the above-mentioned stop assembly.
In another aspect, the utility model provides a refrigerator car, which comprises a car body and a refrigerator compartment, wherein the refrigerator compartment is arranged on the car body, the car body is provided with an engine, the engine provides power for the compressor, and the refrigerator unit is arranged on the refrigerator compartment to refrigerate the refrigerator compartment.
In one embodiment, the refrigerating unit is installed on the outer side surface of the cab of the refrigerator car body close to the car body and above the cab, and the stop piece is arranged between the top of the cab and the bottom of the refrigerating unit shell.
The stop assembly, the refrigerating unit and the refrigerator car provided by the utility model have the following beneficial effects: according to the stop component, the refrigerating unit and the refrigerator car, the stop component is arranged on the exhaust channel of the engine, so that high-temperature gas generated by the engine is prevented from entering the air inlet of the condenser of the refrigerating unit, the problem that the air inlet temperature of the condenser is overhigh due to the fact that the high-temperature gas is mixed with the air inlet of the condenser is effectively solved, and the refrigerating efficiency of the refrigerating unit is improved.
Drawings
Fig. 1 is a schematic structural view of a refrigerator car according to a first embodiment of the present invention;
FIG. 2 is a schematic view of the refrigeration unit of FIG. 1 coupled to an engine;
FIG. 3 is an enlarged view of portion I of FIG. 1;
FIG. 4 is a schematic structural view of a refrigerated vehicle according to a second embodiment of the present invention;
FIG. 5 is an enlarged view of section II of FIG. 4;
fig. 6 is a schematic view of a refrigerator car according to a third embodiment of the present invention.
The elements in the figures are numbered as follows:
a vehicle body 10 (among them, a frame 11, a cab 12, an engine 13); a refrigerator compartment 20; a refrigerating unit 30 (wherein, a compressor 31, a condenser 32, an expansion valve 33, an evaporator 34, a refrigerating unit housing 35; a condenser air inlet 351); a stop assembly 40 (among others, a stop 41, a mounting 42, a motor 43, a temperature sensor 44).
Detailed Description
Before the embodiments are described in detail, it is to be understood that the utility model is not limited in its application to the details of construction and the arrangements of components set forth in the following description or illustrated in the drawings. The utility model is capable of embodiments in other forms of implementation. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of "including," "comprising," "having," and the like, herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. In particular, when "a certain element" is described, the present invention is not limited to the number of the element being one, and may include a plurality of the elements.
The utility model provides a refrigerator car which can fully prevent hot gas generated by an engine from entering a refrigerating unit through an air inlet so as to enable the refrigerating unit to refrigerate more efficiently.
Please refer to fig. 1, which is a schematic structural diagram of a refrigerator car according to a first embodiment of the present invention. As shown in the drawing, the refrigerator car includes a car body 10, a refrigerator compartment 20, and a refrigerator group 30. The vehicle body 10 includes a frame 11, a cab 12, and an engine 13. Wherein, the refrigerator van 20 is arranged on the frame 11 at the rear part of the vehicle body 10 and is driven by the vehicle body 10 to realize refrigeration transportation. The refrigerator unit 30 is mounted on the refrigerator compartment 20, and the refrigerator unit 30 is mounted on the outer side surface of the refrigerator compartment 20 close to the cab 12 of the vehicle body 10. The engine 13 is used to power the refrigerated vehicle. In the illustrated embodiment, the refrigeration unit 30 is located above the cab 12, and the engine 13 is disposed below the cab 12.
The refrigerator car 20 is a rectangular hollow box body formed by splicing heat preservation plates, and the interior of the box body is used for storing and storing articles to be refrigerated and stored. The refrigerator compartment 20 is cooled by the refrigerator group 30.
Referring to fig. 2, the refrigeration unit 30 includes a compressor 31, a condenser 32, an expansion valve 33, an evaporator 34 and a refrigeration unit housing 35, the compressor 31, the condenser 32 and the expansion valve 33 are disposed in the refrigeration unit housing 35, the evaporator 34 is disposed in the refrigerator compartment 20, or the evaporator 34 is disposed in the refrigeration unit housing 35 and the cool air outlet faces the refrigerator compartment 20. The compressor 31 is driven by the engine 13, and the compressor 31, the condenser 32, the expansion valve, and the evaporator 34 are connected by refrigerant lines to form a circulation circuit. When the refrigeration unit 30 is running, the engine 13 of the vehicle body 10 is required to drive the compressor 31 of the refrigeration unit 30, the high-temperature and high-pressure refrigerant is condensed by the condenser 32, and the refrigerant passes through the evaporator 34 in the refrigeration carriage 30 to absorb heat in the refrigeration carriage 30, so that the refrigeration effect is achieved. To better condense the high temperature refrigerant, it is necessary to enter air with a lower temperature (as indicated by the dashed arrow leading to the condenser 32 in fig. 2) from the condenser inlet of the condenser 32 to make the condenser 32 sufficiently condense the refrigerant, thereby improving the cooling efficiency of the refrigeration unit 30.
During parking cooling, when the engine 13 as a compressor driving member operates, a large amount of high-temperature gas (as indicated by a dotted arrow drawn from the engine 13 in fig. 2) is generated, and the high-temperature gas rises from a gap formed between the cab 12 and the refrigerator compartment 30 (i.e., an exhaust passage of the engine 13) to the condenser inlet 351 provided in the refrigeration unit housing 35 of the refrigeration unit 30, so that the condensation effect of the condenser 32 is not good, and the cooling efficiency of the refrigeration unit 30 is reduced.
To prevent hot gases from the engine 13 from entering the condenser intake 351, a stop assembly 40 is provided on the refrigeration unit housing 35 for isolating hot gases from between the refrigerated compartment 20 and the cab 12.
Referring to fig. 3, the stopping assembly 40 is used for stopping hot air generated by the engine 13 from entering the condenser air inlet 351 of the refrigeration unit, is installed at the bottom of the refrigeration unit housing 35, and includes a stopping member 41 and a mounting member 42, the stopping member 41 is disposed between the top of the cab 13 and the bottom of the refrigeration unit housing 35, and the mounting member 42 is fixed at the bottom of the refrigeration unit housing 35 to fix the upper edge of the stopping member 41.
The stopper 41 separates the exhaust passage of the high-temperature gas generated by the engine 13 from the condenser air inlet 351, so that the high-temperature gas is prevented from entering the condenser air inlet 351, the air entering the condenser air inlet 351 is low-temperature air, and the purpose of improving the refrigeration efficiency of the refrigeration unit 30 is achieved.
In the illustrated embodiment, the stopper 41 is a flat plate structure made of a flexible and heat insulating material. On one hand, the stopper 41 is made of a flexible material, so that the stopper 41 has good shock resistance and flexibility, rigid collision with the cab 12, the refrigerator car 20 and the refrigeration unit 30 is avoided, and the use safety of the stopper assembly 40 is improved. On the other hand, when the engine 13 needs to be maintained, the cab 12 needs to be overturned to overhaul the engine 13, and the flexible stop member 41 can not block the overturning of the cab 12, so that the overhaul of the engine 13 is more convenient.
Please refer to fig. 4 and fig. 5, which are schematic structural views of a refrigerator car according to a second embodiment of the present invention. As shown in the drawings, the refrigerator car includes a car body 10, a refrigerator compartment 20, a refrigerator group 30, and a stopper assembly 40. Unlike the refrigerator car of the first embodiment, the stopper assembly 40 of the present embodiment is electrically driven.
Specifically, the stop assembly 40 includes a stop 41, a mount 42, a motor 43, and a temperature sensor 44. The stop 41 is a retractable structure made of a flexible and thermally insulating material, the deployed stop 41 is placed between the top of the cab 13 and the bottom of the refrigeration unit housing 35, and the mounting member 42 is secured to the bottom of the refrigeration unit housing 35 to secure the motor 43. The stopper 41 is retractably wound on the rotation shaft of the motor 43 to completely wind up the stopper 41 or unwind the stopper 41 to be laid down. The upper edge of the stop member 41 is connected to the rotating shaft of the motor 43, and can be wound on the rotating shaft of the motor 43 along with the rotation of the motor 43, and can also be put down from the rotating shaft wound on the motor 43 along with the rotation of the motor 43 and be unfolded to a position between the top of the cab 13 and the bottom of the refrigeration unit housing 35. A temperature sensor 44 is disposed in the bottom of the refrigeration unit housing 35 in the exhaust passage between the cab 12 and the refrigerated compartment 30 for sensing the temperature in the exhaust passage.
In the above embodiment, in order to wind and unwind the stopper 41, the motor 43 may adopt a stepping motor and a servo motor, and the stepping motor may be selected as the motor 43 from the viewpoint of cost.
In the above embodiment, the stopper 41 may be directly wound on the rotating shaft of the motor 43; in other embodiments, the stop member 41 may be wound on a rotary shaft connected to a power output shaft of the motor 43 through a speed reducer.
In the above embodiment, the motor 43 is fixed to the bottom of the refrigeration unit housing 35 by the mounting member 42; in other embodiments, the motor 43 may be secured to the refrigerated compartment 30 by a mounting member.
When the refrigerator car is parked for refrigeration, the temperature sensor 44 detects the temperature in the exhaust passage at the bottom of the refrigeration unit shell 35, the controller is in signal connection with the temperature sensor 44 to receive the temperature signal sensed by the temperature sensor 44, and the controller controls the motor 43 to drive the stopper 41 to descend to block the high-temperature gas in the exhaust passage by judging that the temperature detected by the temperature sensor 44 reaches the threshold value.
When the refrigerator car runs, the controller judges that the temperature detected by the temperature sensor 44 is lower than the threshold value, and the controller controls the stop part 41 of the motor 43 to retract around the rotating shaft, so that the wind resistance of the running refrigerator car is smaller.
Referring to fig. 6, in other embodiments, the stopping assembly 40 may be disposed in the exhaust passage of the cab 12 and the refrigerator compartment 20, the stopping member 41 is made of a flexible material and is disposed between the rear side of the cab 12 and the front side of the refrigerator compartment 20, and when high-temperature gas in the exhaust passage passes through the back-and-forth bending structure of the stopping member 41, the resistance of the high-temperature gas to rise is greatly increased, so that the high-temperature gas cannot reach the air inlet of the condenser, thereby improving the cooling efficiency of the refrigeration unit 30.
Compared with the prior art, the refrigerator car at least has the following beneficial effects:
(1) the stop assembly is arranged on the exhaust passage of the engine, and the baffle plate is used for preventing high-temperature gas generated by the engine from entering the air inlet of the condenser, so that the refrigerating efficiency of the refrigerating unit is improved;
(2) the stop piece is made of flexible heat insulation materials, has better shock resistance and flexible deformation, can not only ensure that the stop piece does not generate rigid collision with a cab, a refrigerator carriage and a refrigerating unit, but also does not stop the overturn of the cab when the engine needs to be maintained, so that the engine is more convenient to overhaul;
(3) in the stop component, the stop part can be folded and unfolded, can be unfolded to play a role in stopping during parking refrigeration, and can be folded to reduce wind resistance during running;
(4) a temperature sensor can be arranged in the stop component, and the stop component can be controlled to retract and unfold by judging whether the temperature detected by the temperature sensor is a threshold value or not.
The concepts described herein may be embodied in other forms without departing from the spirit or characteristics thereof. The particular embodiments disclosed should be considered illustrative rather than limiting. The scope of the utility model is, therefore, indicated by the appended claims rather than by the foregoing description. Any changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (10)
1. The utility model provides a backstop subassembly for the produced steam of backstop vehicle engine gets into the condenser air intake of refrigerating unit, its characterized in that: the stop component comprises a stop piece and a mounting piece, and the stop component is mounted on the mounting piece and is arranged between an exhaust passage of the vehicle engine and the air inlet of the condenser through the mounting piece.
2. A stop assembly as defined in claim 1, wherein: the stop piece is a flat plate structure made of flexible heat insulation materials.
3. A stop assembly as defined in claim 2, wherein: the mounting member secures an upper edge of the stop member to a bottom portion of the refrigeration unit housing.
4. A stop assembly as defined in claim 1, wherein: the stop piece is made of flexible heat insulation materials and is bent back and forth in the exhaust channel.
5. A stop assembly as defined in claim 1, wherein: the stop piece is a windable structure made of flexible heat insulation materials.
6. The stop assembly of claim 5, wherein: the stop component further comprises a motor, and one end of the stop component is connected to the rotating shaft of the motor or the rotating shaft connected with the motor in a winding mode.
7. The stop assembly of claim 6, wherein: the stop component further comprises a temperature sensor and a controller, wherein the temperature sensor is arranged in the exhaust passage, the temperature sensor senses the temperature in the exhaust passage, and the controller is electrically connected with the temperature sensor and the motor to control the motor by receiving a temperature signal from the temperature sensor.
8. The utility model provides a refrigerating unit, includes the refrigerating unit casing and sets up compressor and condenser in the refrigerating unit casing which characterized in that: the refrigeration unit housing having mounted thereon a stop assembly as claimed in any one of claims 1 to 7.
9. The utility model provides a refrigerator car, includes automobile body and refrigerator car, refrigerator car sets up on the automobile body, be equipped with engine, its characterized in that on the automobile body: the engine providing power to the compressor and the refrigerator unit of claim 8 on the refrigerated compartment to refrigerate the refrigerated compartment.
10. A refrigerated vehicle as claimed in claim 9 wherein: the refrigeration unit is installed the refrigerator car is close to the lateral surface of the driver's cabin of automobile body and is located the top of driver's cabin, the stop member is arranged in between the top of driver's cabin and the bottom of refrigeration unit casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122911713.1U CN216111015U (en) | 2021-11-24 | 2021-11-24 | Backstop subassembly, refrigerating unit and refrigerator car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122911713.1U CN216111015U (en) | 2021-11-24 | 2021-11-24 | Backstop subassembly, refrigerating unit and refrigerator car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216111015U true CN216111015U (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122911713.1U Active CN216111015U (en) | 2021-11-24 | 2021-11-24 | Backstop subassembly, refrigerating unit and refrigerator car |
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| CN (1) | CN216111015U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115092272A (en) * | 2022-07-30 | 2022-09-23 | 安徽润象新材料科技有限公司 | Refrigerator car cargo tank convenient to loading and unloading goods |
-
2021
- 2021-11-24 CN CN202122911713.1U patent/CN216111015U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115092272A (en) * | 2022-07-30 | 2022-09-23 | 安徽润象新材料科技有限公司 | Refrigerator car cargo tank convenient to loading and unloading goods |
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