CN219257167U - Differential pressure pre-refrigeration house and cold fresh transport vehicle thereof - Google Patents
Differential pressure pre-refrigeration house and cold fresh transport vehicle thereof Download PDFInfo
- Publication number
- CN219257167U CN219257167U CN202320117032.4U CN202320117032U CN219257167U CN 219257167 U CN219257167 U CN 219257167U CN 202320117032 U CN202320117032 U CN 202320117032U CN 219257167 U CN219257167 U CN 219257167U
- Authority
- CN
- China
- Prior art keywords
- space
- differential pressure
- plate
- evaporator
- food
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005057 refrigeration Methods 0.000 title claims abstract description 32
- 235000013305 food Nutrition 0.000 claims abstract description 39
- 238000005192 partition Methods 0.000 claims abstract description 18
- 230000005684 electric field Effects 0.000 claims abstract description 17
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 238000009423 ventilation Methods 0.000 claims description 6
- 239000000523 sample Substances 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 7
- 238000007710 freezing Methods 0.000 abstract description 5
- 230000008014 freezing Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Images
Landscapes
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model discloses a differential pressure precooling warehouse and a chilled fresh transport vehicle thereof, wherein the differential pressure precooling warehouse comprises a carriage body and a refrigerating device; the inner space of the carriage body is divided into a cold storage area and an equipment room by the heat insulation plate, and the refrigerator is also included; the refrigeration device comprises an evaporator; a partition plate is arranged below the evaporator; a differential pressure diaphragm is arranged at the rear sides of the evaporator and the partition plate; the cold reservoir area is divided into three different spaces by the evaporator, the partition plate and the pressure difference diaphragm; according to the utility model, the air in the cold store area is driven to flow by the pressure difference in the three different spaces, so that the air of the evaporator cannot be directly blown onto food, and the loss of moisture on the surface of the food is reduced; meanwhile, the pressure difference precooling is easier to volatilize heat in the food, and rapid cooling is promoted; in addition, a humidifying device is added in the refrigerator, so that the freshness of food can be better preserved; the three-dimensional electric field device in the compartment body reduces the freezing temperature of the water and further ensures the quality of the food.
Description
Technical Field
The utility model belongs to the technical field of food refrigeration and preservation, and particularly relates to a differential pressure pre-refrigeration house and a cold fresh transport vehicle thereof.
Background
With the great development of the national transportation network in various places, people gradually eat various foods from the south, the third and the fourth places; however, in order to keep the fresh state of the food for a long time, people usually adopt equipment such as a refrigerator, a cold fresh car and the like to process, store and transport the food, so that the development of the food refrigeration and fresh-keeping technology is promoted.
In the existing food refrigerating and preserving technology, people usually adopt an air cooling mode to preserve food, for example, in the patent document with the patent number of CN202675502U, a novel air cooling evaporator is disclosed, wherein the air cooling evaporator is also used for blowing cold air generated by the evaporator in a refrigerator by a fan and the like to form cold air, but the blown cold air is unevenly distributed in space due to the limitation of the fan and the evaporator on the installation position of the refrigerator, the temperature of a region close to an air port is fast, the temperature of the region far from the air port is low, the temperature of the region far from the air port is slow, and the temperature is high, so that the quality and the freshness of the food are affected; on the other hand, the fan is arranged to accelerate the flow of cool air in the refrigerator and enable the cool air to be distributed more uniformly, so that food can be gradually taken away of moisture under the air flow, the air flow is accelerated to cause the food to be dehydrated and air-dried more easily, the food, especially vegetable and fruit food, loses fresh taste, and the nutrition loss and the fresh-keeping effect are poor.
In recent years, a differential pressure precooling box is proposed, and the differential pressure precooling box is an operation mode of realizing precooling by causing pressure difference on two sides of a box body so that cold air is forced to pass through two sides of the box body with holes to exchange heat with fruits and vegetables in the box body; however, the existing differential pressure pre-cooling box still has the problems of uneven cold air distribution and poor fresh-keeping effect.
Therefore, it is needed to provide a differential pressure pre-refrigeration house and a cold fresh transport vehicle thereof to solve the above problems.
Disclosure of Invention
Aiming at the problems in the related art, the utility model provides a differential pressure pre-refrigeration house and a cold fresh transport vehicle thereof, so as to overcome the technical problems in the prior related art; according to the utility model, the pressure difference of three different spaces drives air to flow to form pressure difference precooling, so that the air of the evaporator cannot be directly blown onto food, and the loss of moisture on the surface of the food is reduced; meanwhile, the quick cooling of the cold storage area is realized, the freezing temperature of the water in the cold storage area is reduced by utilizing the three-dimensional space electric field, and the quality of foods can be better preserved.
The technical scheme of the utility model is realized as follows: the differential pressure pre-refrigeration house comprises a carriage body, wherein the internal space of the carriage body is divided into a cold storage area and a device room by a heat insulation plate, and the differential pressure pre-refrigeration house further comprises a refrigeration device;
the cold storage area comprises a top plate arranged at the top; the refrigerating device comprises an evaporator and an external refrigerating unit, the evaporator is installed and fixed on the lower side of the top plate, the external refrigerating unit is arranged in the equipment room, and the evaporator is connected with the external refrigerating unit;
a partition plate is arranged at the lower side of the evaporator, extends vertically towards the bottom plate of the refrigeration house area, and has a gap with the bottom plate; the evaporator and the partition plate divide the interior of the refrigeration house area into a front space and a rear space along the front-rear direction, wherein the front space close to the equipment room is a first space;
a differential pressure diaphragm is arranged at the rear side of the evaporator and the partition plate, extends towards the direction far away from the first space, separates the rear side space of the cold storage area into a second space and a third space along the up-down direction, and has a space between the far end of the differential pressure diaphragm and the rear end of the cold storage area; the evaporator blows cool air toward the second space;
the gap is used for enabling the gas in the first space to flow with the gas in the third space; the interval is used for enabling the gas in the second space to circulate with the gas in the third space;
the humidifier is arranged in the first space;
the carriage body also comprises a three-dimensional electric field device.
Preferably, the differential pressure diaphragm is a retractable canvas, and one side of the canvas is deployable toward the door panel.
Further, the refrigeration house area comprises a plurality of side plates, namely a left side plate, a front side plate and a rear side plate; a door plate is arranged below the left side plate which is arranged opposite to the heat insulating plate;
the top plate, the bottom plate, the heat insulation plate, the door plate and the plurality of side plates are connected through bolts to form a sealed space.
Further, the front side plate and the rear side plate are provided with buckling grooves, and the pressure difference diaphragm is fixed through the buckling grooves after being unfolded.
Further, one side of the first space is the heat insulation plate, the other side is the evaporator and a partition plate, and the bottom is a bottom plate;
the top of the second space is the top plate, and the bottom of the second space is the differential pressure diaphragm;
the top of the third space is a differential pressure diaphragm, and the bottom of the third space is a bottom plate; when the refrigerator region is loaded with food, the third space is a cargo region.
When the evaporator works, air in the cold storage area is rapidly pumped away, and the first space forms low pressure; while the air that is drawn away blows towards the second space, i.e. the second space forms a high pressure. Under the action of pressure, air flows from the second space to the third space and then flows from the third space to the first space, so that a differential pressure precooling loop is formed; the air in the cold store area is driven to flow through the pressure difference, so that the air of the evaporator cannot be directly blown onto food, and the loss of moisture on the surface of the food is reduced.
Further, a plurality of ventilation guide rails are paved on the bottom plate; the design of the ventilation guide rail enables the food in the cold storage area to be cooled down rapidly.
Further, the three-dimensional electric field device comprises a generating device arranged in the cold storage area and a control device;
further, the generating device comprises a plurality of electric field generators which are arranged on the top plate or the side plate.
The control device is electrically connected with the generation device, and the whole cargo carrying area generates an electric field through the electric connection, so that the electric field is favorable for reducing the freezing temperature of water in the freezer area, and the quality of food is further ensured.
Preferably, the equipment is a hollow metal frame which is connected with the equipment through welding and bolts; the refrigerating outer unit is fixed at the bottom of an inner cavity between the devices; the control device is fixed in the control box of the side wall between the devices and is used for controlling the start and stop of the generating device.
Further, the humidifying device is an atomizer with an induction probe, and the atomizer is arranged at the bottom of the first space; the atomizer is added in the cold storage area, so that the freshness of food can be better preserved.
The equipment room also comprises a control system for controlling the humidity of the refrigerating warehouse area, and the control system is connected with the atomizer.
A plurality of dome lamps are arranged on the top plate; the bottom of the carriage body is provided with a supporting plate for bearing a cold storage area and an equipment room.
A chilled fresh transport vehicle comprises a vehicle head main body and a refrigeration house arranged at the rear end of the vehicle head main body;
preferably, the refrigeration house is the pressure difference pre-refrigeration house.
The utility model has the beneficial effects that:
(1) According to the utility model, the air in the cold store area is driven to flow by the pressure difference in the three different spaces, so that the air of the evaporator cannot be directly blown onto food, and the loss of moisture on the surface of the food is reduced;
(2) The pressure difference precooling of the utility model can volatilize heat in the food more easily, and promote the rapid cooling of the food;
(3) The atomizer is added in the cold storage area, so that the freshness of food can be better preserved;
(4) The three-dimensional space electric field reduces the freezing temperature of the water in the cold storage area, and further ensures the quality of food.
Drawings
FIG. 1 is a side cross-sectional view of the present utility model;
fig. 2 is an enlarged view of M of fig. 1;
FIG. 3 is a top cross-sectional view of the present utility model;
FIG. 4 is another side cross-sectional view of the present utility model;
fig. 5 is an enlarged view of N of fig. 4;
FIG. 6 is a left side view of the present utility model;
fig. 7 is a right side view of the present utility model.
Marking:
1. a carriage body; 11. a supporting plate; 12. a bolt; 13. a dome lamp; 2. a cold store area; 21. a top plate; 22. a bottom plate; 221. a ventilation rail; 23. a left side plate; 24. a front side plate; 25. a rear side plate; 26. a door panel; 27. a partition plate; 271. a gap; 28. canvas; 281. spacing; 29. a buckling groove; 3. the equipment room; 31. a control box; 32. a refrigerating outer unit; 33. a heat insulating plate; 4. an evaporator; 5. an electric field generator; 6. an atomizer; 7. a first space; 8. a second space; 9. and a third space.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1, a differential pressure pre-refrigeration house comprises a compartment body 1, wherein the internal space of the compartment body 1 is divided into a cold storage area 2 and an equipment room 3 by a heat insulation plate 33, and the differential pressure pre-refrigeration house further comprises a refrigeration device;
the cold storage area 2 comprises a top plate 21 arranged at the top; the refrigerating device comprises an evaporator 4 arranged and fixed on the lower side of the top plate 21 and an external refrigerating unit 32 arranged in the equipment room 3, and the evaporator 4 is connected with the external refrigerating unit 32;
a partition plate 27 is arranged at the lower side of the evaporator 4, the partition plate 27 extends vertically towards the bottom plate 22 of the cold storage area 2, and a gap 271 is arranged between the partition plate 27 and the bottom plate 22; the evaporator 4 and the partition plate 27 divide the interior of the cold store area 2 into a front space and a rear space in the front-rear direction, wherein the front space near the equipment room 3 is the first space 7;
a differential pressure diaphragm is arranged at the rear side of the evaporator 4 and the partition plate 27, extends in a direction far away from the first space 7, separates the rear side space of the cold store area 2 into a second space 8 and a third space 9 along the up-down direction, and a space 281 is arranged between the distal end of the differential pressure diaphragm and the rear end of the cold store area 2; the evaporator 4 blows cool air toward the second space 8;
the gap 271 is used for gas communication between the first space 7 and the third space 9; the space 281 is used for allowing the gas of the second space 8 and the third space 9 to circulate;
also comprises a humidifying device arranged in the first space 7;
the carriage 1 further comprises a three-dimensional electric field device.
In this example, as shown in fig. 1 and 4, the differential pressure membrane is a collapsible canvas 28, and one side of the canvas 28 may be deployed toward the door panel 26.
As shown in fig. 1 and 6, the refrigerator area 2 includes a plurality of side plates, namely a left side plate 23, a front side plate 24 and a rear side plate 25; a door panel 26 is provided below the left side plate 23 disposed opposite to the heat insulating plate 33;
as shown in fig. 2, the top plate 21, the bottom plate 22, the heat insulation plate 33, the door plate 26 and the plurality of side plates are connected by bolts 12 to form a sealed space.
Specifically, as shown in fig. 1, the front side plate 24 and the rear side plate 25 are provided with a fastening groove 29, and when the differential pressure diaphragm is unfolded, the differential pressure diaphragm is fixed by the fastening groove 29.
Specifically, one side of the first space 7 is the heat insulation plate 33, the other side is the evaporator 4 and the partition plate 27, and the bottom is the bottom plate 22;
the top of the second space 8 is the top plate 21, and the bottom is the differential pressure diaphragm;
the top of the third space 9 is a differential pressure diaphragm, and the bottom is a bottom plate 22; when the freezer section 2 is loaded with food, the third space 9 is a cargo area.
When the evaporator 4 works, air in the refrigeration house area 2 is rapidly pumped away, and the first space 7 forms low pressure; while the air that is drawn away blows towards the second space 8, i.e. the second space 8 forms a high pressure. Under the action of pressure, air flows from the second space 8 to the third space 9 and then flows from the third space 9 to the first space 7, so that a differential pressure precooling loop is formed; the air in the cold store area 2 is driven to flow through the pressure difference, so that the air of the evaporator 4 can not directly blow onto food, and the loss of moisture on the surface of the food is reduced.
As shown in fig. 5, a plurality of ventilation guide rails 221 are laid on the bottom plate 22; the ventilation guide 221 is designed so that the food in the freezer section 2 can be rapidly cooled.
Specifically, the three-dimensional electric field device comprises a generating device arranged in the cold storage area 2 and a control device;
in particular, the generating means comprise a number of electric field generators 5 mounted on the top plate 21 or side plates.
The control device is electrically connected with the generation device, and the electric field is generated in the whole cargo carrying area through the electric connection, so that the electric field is favorable for reducing the freezing temperature of moisture in the cold store area 2, and the quality of food is further ensured.
As shown in fig. 7, the equipment room 3 is a hollow metal frame, which is connected with bolts 12 through welding; the refrigerating outer unit 32 is fixed at the bottom of the inner cavity of the equipment room 3; the control device is fixed in a control box 31 on the side wall of the equipment room 3 and is used for controlling the start and stop of the generating device.
As shown in fig. 1, the humidifying device is an atomizer 6 with an inductive probe, and the atomizer 6 is arranged at the bottom of the first space 7; the atomizer 6 is added in the cold storage area 2, so that the freshness of food can be better preserved.
The equipment room 3 further comprises a control system for controlling the humidity of the refrigeration warehouse area 2, and the control system is connected with the atomizer 6.
As shown in fig. 3, the top plate 21 is provided with a plurality of top lamps 13;
as shown in fig. 1 and 6, the bottom of the carriage body 1 is provided with a supporting plate 11 for carrying the cold storage area 2 and the equipment room 3.
A chilled fresh transport vehicle comprises a vehicle head main body and a refrigeration house arranged at the rear end of the vehicle head main body;
specifically, the refrigeration house is the differential pressure refrigeration house.
Variations and modifications to the above would be obvious to persons skilled in the art to which the utility model pertains from the foregoing description and teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way.
Claims (10)
1. The differential pressure pre-refrigeration house comprises a carriage body, wherein the internal space of the carriage body is divided into a cold storage area and a device room by a heat insulation plate, and the differential pressure pre-refrigeration house further comprises a refrigeration device; it is characterized in that the method comprises the steps of,
the cold storage area comprises a top plate arranged at the top; the refrigerating device comprises an evaporator and an external refrigerating unit, the evaporator is installed and fixed on the lower side of the top plate, the external refrigerating unit is arranged in the equipment room, and the evaporator is connected with the external refrigerating unit;
a partition plate is arranged at the lower side of the evaporator, extends vertically towards the bottom plate of the refrigeration house area, and has a gap with the bottom plate; the evaporator and the partition plate divide the interior of the refrigeration house area into a front space and a rear space along the front-rear direction, wherein the front space close to the equipment room is a first space;
a differential pressure diaphragm is arranged at the rear side of the evaporator and the partition plate, extends towards the direction far away from the first space, separates the rear side space of the cold storage area into a second space and a third space along the up-down direction, and has a space between the far end of the differential pressure diaphragm and the rear end of the cold storage area; the evaporator blows cool air toward the second space;
the humidifier is arranged in the first space;
the carriage body also comprises a three-dimensional electric field device.
2. The differential pressure pre-cooler of claim 1, wherein said differential pressure membrane is a collapsible canvas, one side of said canvas being deployable in a direction toward the door panel.
3. The differential pressure pre-cooler of claim 1, wherein said cooler region comprises a plurality of side panels, left side panel, front side panel and rear side panel, respectively; a door plate is arranged below the left side plate which is arranged opposite to the heat insulating plate;
the top plate, the bottom plate, the heat insulation plate, the door plate and the side plates are connected to form a sealed space.
4. A differential pressure pre-cooler according to claim 3, wherein the front and rear side plates are provided with snap grooves, and the differential pressure diaphragm is fixed by the snap grooves after being unfolded.
5. A differential pressure pre-cooler according to claim 3, wherein one side of the first space is the heat insulating plate, the other side is the evaporator and a partition plate, and the bottom is a bottom plate;
the top of the second space is the top plate, and the bottom of the second space is the differential pressure diaphragm;
the top of the third space is a differential pressure diaphragm, and the bottom of the third space is a bottom plate; when the refrigerator region is loaded with food, the third space is a cargo region.
6. A differential pressure pre-cooler according to claim 3, wherein the three-dimensional electric field device comprises a generating device arranged in the cooler region, and a control device; the control device is electrically connected with the generating device; the control device is fixed in the control box of the side wall between the devices and is used for controlling the start and stop of the generating device.
7. A differential pressure pre-cooler according to claim 6, wherein the generating means comprises a plurality of electric field generators mounted on the top plate or the side plates.
8. A differential pressure pre-cooler according to claim 1, characterized in that a plurality of ventilation guides are laid on the base plate.
9. The differential pressure pre-cooler according to claim 1, wherein the humidifying device is an atomizer with an induction probe, and the atomizer is arranged at the bottom of the first space; the equipment room also comprises a control system for controlling the humidity of the refrigerating warehouse area, and the control system is connected with the atomizer; the refrigerating outer unit is fixed at the bottom of the inner cavity between the devices.
10. A chilled fresh transport vehicle comprises a vehicle head main body and a refrigeration house arranged at the rear end of the vehicle head main body; the differential pressure pre-refrigeration house according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320117032.4U CN219257167U (en) | 2023-01-31 | 2023-01-31 | Differential pressure pre-refrigeration house and cold fresh transport vehicle thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320117032.4U CN219257167U (en) | 2023-01-31 | 2023-01-31 | Differential pressure pre-refrigeration house and cold fresh transport vehicle thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219257167U true CN219257167U (en) | 2023-06-27 |
Family
ID=86870066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320117032.4U Active CN219257167U (en) | 2023-01-31 | 2023-01-31 | Differential pressure pre-refrigeration house and cold fresh transport vehicle thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219257167U (en) |
-
2023
- 2023-01-31 CN CN202320117032.4U patent/CN219257167U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205169314U (en) | Bright cold chain of on -vehicle life delivery case and electronic delivery car | |
| CN1182036A (en) | Refrigerated container with controlled air distribution | |
| CN216886430U (en) | Side-suction type differential pressure precooling compartment body device | |
| CN105300003A (en) | Movable pre-cooling device | |
| JP2008121939A (en) | Refrigerator | |
| CN219257167U (en) | Differential pressure pre-refrigeration house and cold fresh transport vehicle thereof | |
| CN205227971U (en) | Portable precooling apparatus | |
| CN109502200A (en) | Solar energy ice temperature air conditioning container | |
| JP4336664B2 (en) | Windless cooling system | |
| CN111669953A (en) | Energy-saving container formula data center | |
| CN209192741U (en) | Diesel engine, automobile, solar energy and electric network four-system power refrigeration container | |
| CN204006896U (en) | Cold room | |
| CN217706766U (en) | Movable preservation box and cold chain carrier with same | |
| CN217945942U (en) | Movable preservation box and cold chain carrier with same | |
| CN217673954U (en) | Movable preservation box and cold chain carrier | |
| CN213066692U (en) | Refrigerated glass sliding door cabinet | |
| CN211503382U (en) | Central kitchen refrigerator | |
| CN218807989U (en) | Novel remove gas conditioning and keep fresh container | |
| CN217074166U (en) | Dynamic electric field frame type multi-temperature-bin fresh-keeping carriage | |
| CN206989566U (en) | Cold compartment of refrigerator cooling structure and refrigerator | |
| CN217005061U (en) | Storage device | |
| CN210809083U (en) | Movable differential pressure precooling device | |
| JP2582994B2 (en) | High freshness refrigeration system | |
| JPH06201249A (en) | Prefabricated refrigerator | |
| CN220338807U (en) | Refrigerating and freezing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A pressure difference pre cooling storage and its fresh cold transportation vehicle Effective date of registration: 20231025 Granted publication date: 20230627 Pledgee: Zhaoqing Rural Commercial Bank Co.,Ltd. Chengdong Branch Pledgor: Guangdong Jingyi Special Vehicle Co.,Ltd. Registration number: Y2023980062682 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |