CN214039148U - Refrigerating system pipeline with good shock resistance and vehicle-mounted refrigerator thereof - Google Patents
Refrigerating system pipeline with good shock resistance and vehicle-mounted refrigerator thereof Download PDFInfo
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- CN214039148U CN214039148U CN202023343257.7U CN202023343257U CN214039148U CN 214039148 U CN214039148 U CN 214039148U CN 202023343257 U CN202023343257 U CN 202023343257U CN 214039148 U CN214039148 U CN 214039148U
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Abstract
The embodiment of the utility model provides a refrigerating system pipeline with good shock resistance and a vehicle-mounted refrigerator thereof, which comprises a refrigerant pipeline, wherein the refrigerant pipeline comprises an air inlet and an air outlet; the welding part is used for being welded and connected with an external element, so that the welding part is formed at the air inlet and the air outlet; wherein, the refrigerant pipeline forms the arc structure to play the cushioning effect to refrigerant pipeline and welding part. The utility model discloses a be the arc structure with the refrigerant pipeline setting, can reduce the carrier vibrations by a wide margin or rock the harm to refrigerant pipeline and weld part thereof, overall structure design is simple reasonable, and need not to set up extra shock-absorbing structure (for example shock absorber support etc.), saves assembly cost and material cost. In addition, the structural design mode of arc structure can improve the elasticity of refrigerant pipeline to weaken vibrations greatly or rock the action stress of in-process carrier to refrigerant pipeline and welding part, antidetonation, shock resistance are good.
Description
Technical Field
The utility model relates to a freezing refrigeration plant technical field, concretely relates to refrigerating system pipeline and on-vehicle refrigerator with good shock resistance ability.
Background
When people go on a long distance or go out for playing, the automobile is usually taken as the most common choice for traveling at present, and under the condition of carrying a large amount of food, if the temperature of the carried food is required, the food needs to be stored by a freezing and refrigerating device, so the vehicle-mounted refrigerator is invented in the prior art. As the name suggests, the vehicle-mounted refrigerator is a freezing and refrigerating device which can be installed on an automobile and is convenient to carry, and is a continuation product of a traditional household refrigerator. With the technological progress and social development, the vehicle-mounted refrigerator has become a new generation of refrigeration and cold storage appliance popular in the international market in recent years.
The vehicle-mounted refrigerator can adopt a semiconductor electronic refrigeration technology and a traditional compressor refrigeration technology, and has the functions of low noise, less pollution and convenient carrying no matter which refrigeration scheme is adopted. However, the vehicle-mounted refrigerator structure in the related art has the following drawbacks: the vehicle-mounted refrigerator or the mobile refrigeration storage box is mostly used in a moving carrier (such as a car, a motor home and the like), the arranged refrigeration pipelines are usually made of copper pipes and aluminum pipes, and the pipelines made of the two materials are weak. In addition, the whole refrigeration system is connected by welding, and the welding point position is easy to crack or break in the movement process or the bumping process of the carrier.
Therefore, there is a need in the art to design an in-vehicle refrigerator having good shock-proof performance.
SUMMERY OF THE UTILITY MODEL
To above defect and not enough, the utility model provides a refrigerating system pipeline and on-vehicle refrigerator with good shock resistance ability, this refrigerating system pipeline and on-vehicle refrigerator with good shock resistance ability have that structural design is simple reasonable, save assembly cost and material cost and the good characteristics of shock resistance ability.
A refrigerant system tube having good shock resistance comprising:
the refrigerant pipeline comprises an air inlet and an air outlet;
a welding part, wherein the air inlet and the air outlet are used for being connected with an external element in a welding mode, so that the welding part is formed at the air inlet and the air outlet;
the refrigerant pipeline between the air inlet and the air outlet forms an arc-shaped structure, so that the refrigerant pipeline and the welding part are damped.
Furthermore, the refrigerant pipeline between the air inlet and the air outlet forms a U-shaped structure in a bending mode.
Further, the refrigerant pipeline between the air inlet and the air outlet forms a spring-shaped structure in a spiral winding mode.
Furthermore, the refrigerant pipeline with the surface cover of welding part is equipped with the shock attenuation sponge, the shock attenuation sponge is used for to the refrigerant pipeline with the welding part plays the cushioning effect.
Furthermore, the refrigerant pipeline is a refrigerant muffler, one end of the refrigerant muffler is connected with the evaporator, and the other end of the refrigerant muffler is connected with the compressor, so that the refrigerant of the evaporator is conveyed into the compressor.
Further, still include compressor installation mechanism, compressor installation mechanism includes compressor, fixed callus on the sole and rubber pad, the rubber pad sets up the bottom of fixed callus on the sole, fixed callus on the sole sets up the bottom of compressor, the rubber pad is used for right the compressor plays the cushioning effect.
Further, the quantity more than or equal to two of fixed callus on the sole, just the whole U-shaped structure that is of fixed callus on the sole, each all be equipped with two installation departments on the fixed callus on the sole, the rubber pad is fixed to be set up the bottom of installation department.
Further, the condensation system comprises a condensation pipeline and a net layer support, the net layer support comprises a plurality of heat dissipation metal wires which are arranged side by side at intervals, the condensation pipeline is coiled and folded on the net layer support, and the net layer support plays a role in shock absorption and heat dissipation on the condensation pipeline.
Furthermore, the condensation system further comprises a heat radiation fan, the heat radiation fan is fixedly arranged on the net layer support, the heat radiation fan is used for improving the heat radiation effect of the condensation pipeline, and the net layer support is used for playing a role in damping the heat radiation fan.
Based on same design, the utility model also provides an on-vehicle refrigerator including above the refrigerating system pipeline that has good shock resistance ability, this on-vehicle refrigerator includes the box, the rear side top of box is equipped with the installation region, the refrigerating system pipeline that has good shock resistance ability sets up the installation region.
The utility model provides a refrigerating system pipeline and on-vehicle refrigerator with good shock resistance performance includes refrigerant pipeline and weld part, and the refrigerant pipeline includes air inlet and gas outlet, and this air inlet, gas outlet link together through welding process and external element to form the weld part, the refrigerant pipeline between air inlet and the gas outlet forms the arc structure. The refrigerant pipeline is a pipeline arranged in the refrigeration system and connected with each refrigeration element (such as a compressor, an evaporator, a condenser and the like), and mainly functions to provide a transportation path for the refrigerant flowing among the refrigeration elements. Specifically, the refrigerant pipeline in the prior art is made of metal pipes such as copper pipes or aluminum pipes, so that the refrigerant pipeline is fragile and is easy to crack under the condition of bumping or shaking. Meanwhile, the air inlet, the air outlet and the external element of the refrigerant pipeline are connected together through a welding process, and the welding part is easy to break during the movement of a carrier (such as a car or a motor home) or the transportation of a vehicle-mounted refrigerator.
Therefore, the technical scheme of the utility model, form the arc structure with the refrigerant pipeline section between air inlet and the gas outlet through modes such as crooked or folding winding, because the arc structure can show the setting route and the length that increase the refrigerant pipeline, and the arc structure itself has crooked winding structural feature to make the refrigerant pipeline more have elasticity. The elastic refrigerant pipeline system can move and deform together with the carrier under the condition that the carrier (such as a car or a car as a house) moves or a vehicle-mounted refrigerator is carried, and the vibration frequencies of the carrier and the carrier are approximately consistent, so that the action stress of the carrier on the refrigerant pipeline and the welding part in the vibration or shaking process can be greatly weakened, the damage of the vibration on the refrigerant pipeline and the welding part thereof is reduced, and good shock absorption and shock absorption effects are achieved.
Generally speaking, the utility model provides a refrigerating system pipeline and on-vehicle refrigerator with good shock resistance compare in prior art, have following beneficial effect at least:
firstly, the refrigerant pipeline is arranged to be of an arc-shaped structure, so that damage to the refrigerant pipeline and a welding part thereof caused by vibration or shaking of a carrier can be greatly reduced, and the overall structural design is simple and reasonable;
secondly, the shock-proof and shock-proof effects are realized by arranging the refrigerant pipeline into an arc-shaped structure, and no additional shock-proof structure (such as a shock-proof bracket and the like) is required, so that the assembly cost and the material cost are saved;
the structural design mode of the arc-shaped structure can improve the elasticity of the refrigerant pipeline, so that the action stress of the carrier on the refrigerant pipeline and the welding part in the vibration or shaking process is greatly weakened, and the shock resistance are good.
Drawings
FIG. 1 is a schematic structural view of a vehicle-mounted refrigerator according to the present invention;
fig. 2 is a schematic structural view of the refrigerant pipeline of the present invention;
FIG. 3 is a schematic structural view of the compressor mounting mechanism of the present invention;
FIG. 4 is a schematic structural view of the fixed foot pad of the present invention;
fig. 5 is a schematic diagram of the condensing system of the present invention;
description of reference numerals: 1. the refrigerating system pipeline has good shock resistance; 2. a refrigerant pipeline; 3. a compressor; 4. fixing the foot pad; 401. an installation part; 5. a rubber pad; 6. a condensing pipeline; 7. a mesh layer support; 8. a heat radiation fan; 9. and (4) a box body.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, according to the embodiment of the present invention, a refrigeration system pipeline 1 with good shock-proof performance includes a refrigerant pipeline 2, and the refrigerant pipeline 2 includes an air inlet 201 and an air outlet 202. The refrigerant pipeline 2 is a pipeline disposed in the refrigeration system and connecting various refrigeration components (such as a compressor, an evaporator, a condenser, and the like), and mainly functions to provide a transportation path for the refrigerant flowing between the refrigeration components. The evaporator is introduced into the refrigerant pipeline 2 through the air inlet 201, and then introduced into the compressor from the air outlet 202, so that the transportation of the gaseous refrigerant is completed.
The refrigeration system pipeline 1 with good earthquake-proof performance further comprises welding parts, and the air inlet 201 and the air outlet 202 are used for being connected with external elements in a welding mode, so that the welding parts are formed at the air inlet 201 and the air outlet 202. Specifically, the refrigerant pipeline 2 in the prior art is made of a metal pipe material such as a copper pipe or an aluminum pipe, and the material is weak, so that the refrigerant pipeline is easily broken under the conditions of jolting, shaking or vibration. Meanwhile, the air inlet 201, the air outlet 202 and the external components of the refrigerant pipeline 2 are connected together by a welding process, and the welded part is easily broken during the movement of a carrier (such as a car or a motor home) or the transportation of a vehicle-mounted refrigerator.
In addition, the refrigerant pipeline 2 between the air inlet 201 and the air outlet 202 forms an arc structure, thereby performing a shock absorption function on the refrigerant pipeline 2 and the welding part. The technical scheme of the utility model, form the arc structure through modes such as crooked or folding winding with 2 sections of refrigerant pipeline between air inlet 201 and the gas outlet 202, because the arc structure can show the setting route and the length that increase refrigerant pipeline 2, and the arc structure itself has crooked winding structural feature to make refrigerant pipeline 2 more have elasticity. The refrigerant pipeline 2 system with elasticity can move and deform together with a carrier under the condition that the carrier (such as a car or a car as a house) moves or a vehicle-mounted refrigerator is carried, and the vibration frequencies of the carrier and the carrier are approximately consistent, so that the action stress of the carrier on the refrigerant pipeline 2 and a welding part in the vibration or shaking process can be greatly weakened, the damage of the vibration on the refrigerant pipeline 2 and the welding part thereof is reduced, good vibration absorption and vibration prevention effects are also achieved, and the problem that the pipeline and the welding point position of a refrigeration system are easy to break or fracture in the bumping process of the carrier in the prior art is thoroughly solved.
In a preferred embodiment, the refrigerant pipeline 2 between the air inlet 201 and the air outlet 202 is bent to form a U-shaped structure. The U-shaped structure is a specific structural form in the arc-shaped structure, and compared with the refrigerant pipeline 2 which is arranged into a linear structure, the U-shaped structure can remarkably increase the arrangement path and the length of the refrigerant pipeline 2, and the U-shaped structure has the structural characteristic of bending and winding, so that the refrigerant pipeline 2 is more elastic. The elastic refrigerant pipeline 2 can greatly weaken the action stress of the carrier on the refrigerant pipeline 2 and the welding part in the vibration or shaking process, so that the damage of the vibration on the refrigerant pipeline 2 and the welding part thereof is reduced, and the good vibration absorption and vibration prevention effects are also achieved.
Referring to fig. 2, in an alternative, the refrigerant line between the inlet port 201 and the outlet port 202 is formed in a spring-shaped configuration by means of helical windings. Like the above-mentioned scheme, spring shape structure also is one of them specific structural style in the arc structure, compares and sets up refrigerant pipeline 2 to linear structure, and spring shape structure can show the setting route and the length that increase refrigerant pipeline 2, and spring shape structure itself has crooked winding structural feature to make refrigerant pipeline 2 more have elasticity. The principle of realizing the shock absorption and shock resistance is not repeated herein.
The utility model discloses an in the embodiment, the surface cover of refrigerant pipeline 2 and weld part is equipped with the shock attenuation sponge, and the shock attenuation sponge is used for playing the cushioning effect to refrigerant pipeline 2 and weld part. In the scheme of this embodiment, the shock attenuation sponge is the porous material structure that has good elasticity, overlaps the shock attenuation sponge respectively through iron wire or other fixed mode and establishes the surface at refrigerant pipeline 2 and welding part, when the carrier (for example car or car as a house) motion or on-vehicle refrigerator transport, can effectively offset, reduce vibrations or rock the effect stress of in-process carrier to refrigerant pipeline 2 and welding part to reduce vibrations and to the harm of refrigerant pipeline 2 and its welding part, play shock attenuation, shockproof effect.
Referring to fig. 1, in a further embodiment of the present invention, the refrigerant pipeline 2 is a refrigerant muffler, one end of the refrigerant muffler is connected to the evaporator, and the other end of the refrigerant muffler is connected to the compressor 3, so as to convey the refrigerant of the evaporator to the compressor 3. In the further scheme, the refrigerant pipeline 2 is a refrigerant transportation pipeline arranged between an evaporator in the box body and a compressor outside the box body, the refrigerant after heat exchange with the cold guide plate in the evaporator is evaporated into a gaseous state, the gaseous refrigerant is conveyed to the compressor 3 through the refrigerant muffler, and the compression of refrigerant gas is completed in the compressor 3.
Referring to fig. 3, in another embodiment of the present invention, the refrigeration system pipeline 1 with good shock-proof performance further includes a compressor mounting mechanism, the compressor mounting mechanism includes a compressor 3, a fixed foot pad 4 and a rubber pad 5, the rubber pad 5 is disposed at the bottom of the fixed foot pad 4, the fixed foot pad 4 is disposed at the bottom of the compressor 3, and the rubber pad 5 is used for damping the compressor 3. In the solution of this embodiment, when the carrier (e.g. car or car as a house) is in motion or the vehicle refrigerator is carried, the compressor 3 pipeline and the four-way valve vibrate greatly, which may cause the compressor 3 pipeline to be damaged or even broken during transportation. Therefore, the compressor 3, the fixed foot pad 4 and the rubber pad 5 are sequentially arranged from top to bottom, and the rubber pad 5 arranged at the bottommost part is used for damping the compressor 3. Wherein, rubber pad 5 is the soft material that has good elasticity, and its and the box direct contact of on-vehicle refrigerator, when carrier (for example car or car as a house) motion or on-vehicle refrigerator transport, can effectively offset, reduce vibrations or rock the in-process carrier to the effect stress of 3 pipe-line systems of compressor to reduce vibrations and to the harm of 3 pipe-line systems of compressor, play shock attenuation, shockproof effect.
Referring to fig. 4, in a preferred embodiment of the present invention, the number of the fixing pads 4 is greater than or equal to two, the fixing pads 4 are integrally U-shaped, each fixing pad 4 is provided with two mounting portions 401, and the rubber pad 5 is fixedly disposed at the bottom of the mounting portion 401. In this preferred scheme, set up the quantity of fixed callus on the sole 4 as a plurality ofly, and set up its concrete structure into U shape structure, can enlarge the stress distribution area of fixed callus on the sole 4, avoid the stress on the fixed callus on the sole 4 too concentrated, take place to damage when the carrier (for example car or car as a house) moves or on-vehicle refrigerator carries. The installation part 401 is two assembly through holes formed in the end of the fixed foot pad 4, and the rubber pad 5 is fixedly installed on the installation part 401 through any one or more connection structures of screws, screws or bolts, so that the damping and anti-seismic effects of the rubber pad 5 on the refrigerant pipeline 2 and the welding part of the refrigerant pipeline can be achieved.
Referring to fig. 5, in another embodiment of the present invention, the refrigeration system pipeline 1 with good shock-proof performance further includes a condensation system, the condensation system includes a condensation pipeline 6 and a mesh layer support 7, the mesh layer support 7 includes a plurality of heat dissipation wires arranged side by side at intervals, the condensation pipeline 6 is folded and arranged on the mesh layer support 7, and the mesh layer support 7 plays a role in damping and dissipating heat for the condensation pipeline 6. In the scheme of the embodiment, the net layer bracket 7 is composed of a plurality of vertically arranged heat dissipation metal wires (such as heat dissipation steel wires), and the contact area between the refrigerant in the condensation pipeline 6 and the outside air can be increased by arranging the plurality of heat dissipation metal wires on the condensation pipeline 6, so that the heat exchange efficiency between the gaseous refrigerant and the normal temperature air is increased, and the heat dissipation effect of the gaseous refrigerant is also increased. In addition, because the heat dissipation wires in the net layer support 7 are distributed at intervals side by side, and a plurality of pores with variable sizes are arranged in the holes, in the process of carrier (such as a car or a motor home) movement or vehicle-mounted refrigerator carrying, the action stress of the carrier on the condensation pipeline 6 and the welding part thereof in the vibration or shaking process can be counteracted and reduced through the size change of the pores, so that the damage of the vibration on the condensation pipeline 6 and the welding part thereof is reduced, and the effects of shock absorption and shock absorption are achieved.
Referring to fig. 5, in a preferred embodiment of the present invention, the condensing system further includes a heat dissipation fan 8, the heat dissipation fan 8 is fixedly disposed on the mesh layer support 7, the heat dissipation fan 8 is configured to improve the heat dissipation effect of the condensing pipeline 6, and the mesh layer support 7 is configured to perform a shock absorption function on the heat dissipation fan 8. In this preferred embodiment, the cooling fan 8 can accelerate the air circulation speed outside the refrigerant pipeline 2, so as to improve the heat exchange effect between the gaseous refrigerant and the outside air, that is, the heat dissipation effect of the gaseous refrigerant. In addition, because the heat radiation fan 8 is also fixedly arranged on the net layer bracket 7, the damage of vibration to the heat radiation fan 8 can be reduced by utilizing the size change of the pore, thereby playing the roles of shock absorption and shock resistance.
Based on same design, the utility model also provides an embodiment of on-vehicle refrigerator, this on-vehicle refrigerator includes above refrigerating system pipeline 1 that has good shock resistance ability.
Referring to fig. 1, in the solution of the embodiment, the vehicle-mounted refrigerator includes a cabinet 9, and a mounting area is provided at the top of the rear side of the cabinet 9, and the refrigeration system pipeline 1 with good shock resistance is provided at the mounting area. Specifically, the refrigeration system pipeline 1 (namely, the refrigerant pipeline 2, the compressor mounting mechanism and the condensing system) with good shock resistance is arranged in the mounting area at the top of the rear side of the box body 9, so that the gaseous refrigerant in the refrigeration system pipeline and the external normal-temperature air can complete heat exchange, cold is provided for the cold guide plate in the box body 9, and the effect of refrigerant heat exchange is achieved.
To sum up, the utility model provides a refrigerating system pipeline and on-vehicle refrigerator with good shock resistance can be through being the arc structure with refrigerant pipeline 2 setting, can reduce the carrier vibrations by a wide margin or rock the harm to refrigerant pipeline 2 and weld part, and overall structure design is simple reasonable. Meanwhile, the shock-proof and shock-proof effects are achieved by setting the refrigerant pipeline 2 to be in an arc-shaped structure, extra shock-proof structures (such as shock-proof supports and the like) do not need to be arranged, and the assembly cost and the material cost are saved. In addition, the structural design mode of arc structure can improve refrigerant pipeline 2's elasticity to weaken vibrations greatly or rock the effect stress of in-process carrier to refrigerant pipeline 2 and welding part, antidetonation, shock resistance are good.
Of course, the above is a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and decorations can be made without departing from the basic principle of the present invention, and these modifications and decorations are also considered to be within the scope of the present invention.
Claims (10)
1. A refrigerant system tube having good shock resistance comprising:
the refrigerant pipeline comprises an air inlet and an air outlet;
a welding part, wherein the air inlet and the air outlet are used for being connected with an external element in a welding mode, so that the welding part is formed at the air inlet and the air outlet;
the refrigerant pipeline between the air inlet and the air outlet forms an arc-shaped structure, so that the refrigerant pipeline and the welding part are damped.
2. The piping for a refrigeration system with excellent earthquake resistance as set forth in claim 1, wherein said refrigerant piping between said air inlet and said air outlet is formed into a U-shaped configuration by bending.
3. A refrigerant system pipe having a good shock resistance as recited in claim 1 wherein said refrigerant pipe between said air inlet and said air outlet is formed in a spring-shaped configuration by means of helical windings.
4. The refrigerant system pipeline with good shock resistance as set forth in claim 1, wherein a shock absorbing sponge is sleeved on the outer surface of said refrigerant pipeline and said welding portion, said shock absorbing sponge is used for absorbing shock of said refrigerant pipeline and said welding portion.
5. The piping of a refrigeration system with good earthquake proofing performance as claimed in claim 4, wherein said refrigerant piping is a refrigerant muffler, one end of said refrigerant muffler is connected to said evaporator, and the other end is connected to said compressor, so as to convey the refrigerant from said evaporator to said compressor.
6. The refrigerating system pipeline with good earthquake-proof performance as claimed in claim 1, further comprising a compressor mounting mechanism, wherein the compressor mounting mechanism comprises a compressor, a fixed foot pad and a rubber pad, the rubber pad is arranged at the bottom of the fixed foot pad, the fixed foot pad is arranged at the bottom of the compressor, and the rubber pad is used for absorbing shock for the compressor.
7. The refrigerating system pipeline with good earthquake-proof performance as claimed in claim 6, wherein the number of the fixed foot pads is greater than or equal to two, the fixed foot pads are integrally U-shaped, each fixed foot pad is provided with two installation parts, and the rubber pads are fixedly arranged at the bottoms of the installation parts.
8. The piping of a refrigeration system with good shock resistance as recited in claim 1, further comprising a condensation system, wherein said condensation system comprises a condensation piping and a mesh layer support, said mesh layer support comprises a plurality of heat dissipation wires arranged side by side at intervals, said condensation piping is folded and coiled on said mesh layer support, said mesh layer support has shock absorption and heat dissipation effects on said condensation piping.
9. The piping of a refrigeration system with good shock resistance as recited in claim 8, wherein said condensation system further comprises a heat dissipation fan, said heat dissipation fan is fixedly disposed on said mesh layer support, said heat dissipation fan is used for increasing the heat dissipation effect of said condensation piping, and said mesh layer support is used for absorbing shock to said heat dissipation fan.
10. An on-board refrigerator including the good shock-proof refrigerating system pipe as claimed in any one of claims 1 to 9, further comprising a cabinet, wherein a mounting area is provided on a rear top of the cabinet, and the good shock-proof refrigerating system pipe is provided in the mounting area.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023343257.7U CN214039148U (en) | 2020-12-30 | 2020-12-30 | Refrigerating system pipeline with good shock resistance and vehicle-mounted refrigerator thereof |
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| CN202023343257.7U CN214039148U (en) | 2020-12-30 | 2020-12-30 | Refrigerating system pipeline with good shock resistance and vehicle-mounted refrigerator thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531984A (en) * | 2021-07-27 | 2021-10-22 | 吉林省疆宁农牧科技集团有限公司 | Novel refrigeration equipment for slaughtering processing workshop |
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2020
- 2020-12-30 CN CN202023343257.7U patent/CN214039148U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531984A (en) * | 2021-07-27 | 2021-10-22 | 吉林省疆宁农牧科技集团有限公司 | Novel refrigeration equipment for slaughtering processing workshop |
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