CN212227455U - Cold accumulation type air-cooled heat exchanger - Google Patents
Cold accumulation type air-cooled heat exchanger Download PDFInfo
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- CN212227455U CN212227455U CN202020982260.4U CN202020982260U CN212227455U CN 212227455 U CN212227455 U CN 212227455U CN 202020982260 U CN202020982260 U CN 202020982260U CN 212227455 U CN212227455 U CN 212227455U
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Abstract
The utility model provides a cold accumulation type air-cooled heat exchanger, which comprises an air cooler and a closed shell consisting of a heat exchanger shell, a heat exchanger air duct lining plate and a heat exchange tube support frame; the heat exchange tube support frames are welded on two sides of the heat exchanger shell; the heat exchanger shell is connected with a heat exchanger air duct lining plate; the lower part of the shell of the heat exchanger is connected with a shell pass coolant filling port, the upper part of the shell pass coolant filling port is connected with a shell pass coolant overflow port, and coolant is filled in the shell pass coolant filling port; first mounting holes are symmetrically formed in the two side heat exchange tube support frames, and refrigerant-carrying heat exchange tubes are arranged in the first mounting holes in the two sides; the starting end of the secondary refrigerant heat exchange tube is connected with a tube pass secondary refrigerant inlet, the terminal end of the secondary refrigerant heat exchange tube is connected with a tube pass secondary refrigerant outlet, and secondary refrigerant is filled in the tube pass secondary refrigerant inlet; the heat exchanger air duct pipe is arranged on the heat exchanger air duct lining plate. The utility model discloses an forced convection heat transfer of forced air cooling, heat exchange efficiency is high, and heat transfer area is little, and overall structure is simple compact, and intensity is high, and weight is little, and the fragile spare is few, maintains simply the maintenance cost is low.
Description
Technical Field
The utility model relates to an on-vehicle freezing refrigeration plant field especially relates to a cold-storage type forced air cooling heat exchanger.
Background
At present, the number of cold storage type freezing and refrigerating boxes for storing vegetables, fruits, meat and other articles is increasing year by year. The existing cold accumulation type refrigerating and freezing refrigerator is internally provided with a cold accumulation type heat exchanger, natural convection heat exchange is generally adopted, the heat exchange efficiency is low, the heat exchange area is large, and the cost of the cold accumulation type heat exchanger is high. And the temperature in the box can not be actively controlled, so that the temperature fluctuation in the box is large, and the energy utilization rate is low.
Therefore, in view of the above, there is a need to provide a new cool storage type air-cooled heat exchanger to solve the deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned technical problems, a cold storage type air-cooled heat exchanger is provided. The utility model mainly utilizes the low-temperature secondary refrigerant to enter the tube pass pipeline of the heat exchanger and exchange heat with the liquid cold-storage agent of the shell pass of the heat exchanger, so that the liquid cold-storage agent of the shell pass of the heat exchanger releases heat, generates phase change, becomes solid cold-storage agent and completes cold charging; through the operation air-cooler, drive air flows through heat exchanger air duct tube surface, takes place heat exchange with the low temperature coolant of heat exchanger shell side, becomes low temperature air, carries out the heat transfer through the low temperature coolant of heat exchanger air duct pipe with storing in the shell side to realize refrigerating, the solid-state coolant absorbed heat of heat exchanger shell side takes place the phase transition, becomes liquid coolant. The utility model discloses a technical means as follows:
a cold accumulation type air-cooled heat exchanger comprises an air cooler and a closed shell formed by a heat exchanger shell, a heat exchanger air duct lining plate and a heat exchange tube support frame; the air cooler is positioned outside the closed shell, and the installation position of the air cooler is determined according to the actual use condition; the heat exchange tube support frames are vertically welded on two sides of the heat exchanger shell, and openings on two sides of the heat exchanger shell are closed; vertical long grooves are formed in a front plate of the heat exchanger shell at intervals, and the heat exchanger air duct lining plate is arranged in the long grooves to seal the long grooves;
a shell-side coolant filling port is connected to the lower part of the shell of the heat exchanger, a shell-side coolant overflow port is connected to the upper part of the shell-side coolant filling port, coolant is filled into the sealed shell from the shell-side coolant filling port, and redundant coolant flows out through the shell-side coolant overflow port; the air inside the heat exchange tube is discharged through an automatic exhaust valve arranged above the heat exchange tube support frame;
first mounting holes are symmetrically formed in the heat exchange tube support frames on the two sides, secondary refrigerant heat exchange tubes are arranged in the first mounting holes on the two sides, the secondary refrigerant heat exchange tubes are combined and welded into a serpentine pipeline, sequentially penetrate through the first mounting holes on the two sides and are arranged from bottom to top; the bent part of the serpentine pipeline is U-shaped;
the starting end and the terminal end of the secondary refrigerant heat exchange tube are respectively positioned at the bottom and the top of the heat exchange tube support frame, the starting end is connected with a tube pass secondary refrigerant inlet, and the other end of the tube pass secondary refrigerant inlet penetrates through a back panel of the heat exchanger shell; the terminal is connected with a tube pass secondary refrigerant outlet, and the other end of the tube pass secondary refrigerant outlet penetrates out of a back panel of the heat exchanger shell;
the secondary refrigerant is charged into the tube pass secondary refrigerant inlet, passes through the secondary refrigerant heat exchange tube and flows out of the tube pass secondary refrigerant outlet; the secondary refrigerant exchanges heat with the coolant through the secondary refrigerant heat exchange tube;
second mounting holes are formed in the heat exchanger air duct lining plate at intervals in the vertical direction, heat exchanger air duct pipes are arranged in the second mounting holes, and the other ends of the heat exchanger air duct pipes are connected with a back panel of the heat exchanger shell;
forced convection heat exchange is adopted, the air cooler is utilized to drive air to circulate and flow through the surface of the air duct pipe of the heat exchanger, and heat exchange is carried out between the air duct pipe of the heat exchanger and the low-temperature coolant stored in the shell pass.
Furthermore, the outer surface of the heat exchanger shell is pasted with a heat preservation layer, so that the loss of cold energy is avoided, and the heat preservation layer is made of heat insulation materials.
Furthermore, the inside of the heat exchanger shell is provided with a heat exchanger inner support, the heat exchanger inner support is horizontally arranged, two ends of the heat exchanger inner support are connected with the two sides of the heat exchange tube support, and the front side of the heat exchanger inner support is connected with the heat exchanger air duct lining plate.
Furthermore, lifting lugs for lifting the heat exchanger are arranged on two sides of the top of the heat exchanger shell.
Furthermore, on the premise that the internal support of the heat exchanger meets the strength requirement, a plurality of first through holes distributed at intervals are arranged, so that the number of holes is increased, and the weight of a product is reduced; the central line of the first through hole is vertical to the horizontal plane.
Furthermore, the heat exchanger air duct lining plate and the heat exchange tube support frame are provided with a plurality of second through holes distributed at intervals on the premise of meeting the strength, so that the number of the holes is increased, and the weight of the product is reduced; the axis of the second through hole is perpendicular to the vertical surface.
Furthermore, the secondary refrigerant heat exchange tubes are divided into two paths which are connected in parallel, the starting ends of the two paths of secondary refrigerant heat exchange tubes are connected with the tube pass secondary refrigerant inlet, and the terminals of the two paths of secondary refrigerant heat exchange tubes are connected with the tube pass secondary refrigerant outlet.
Further, the axis of the first mounting hole is perpendicular to a vertical plane; the axis of the second mounting hole is perpendicular to the vertical surface.
Further, the axis of the first mounting hole is perpendicular to the axis of the second mounting hole.
Furthermore, before the cold storage type air-cooled heat exchanger is used, liquid cold storage agent is charged in the shell side. The cold-storage agent is slowly charged from the shell-side cold-storage agent charging port, and when the cold-storage agent flows out from the shell-side cold-storage agent overflow port, the shell-side cold-storage agent charging port is closed, and the cold-storage agent charging is completed. The gas in the shell pass is discharged by an automatic exhaust valve.
The working principle is as follows:
when the cold storage type air-cooled heat exchanger is in cold charging operation, the tube pass secondary refrigerant inlet and the tube pass secondary refrigerant outlet are connected with the secondary refrigerant pipeline of the external refrigerating unit. The external refrigerating unit refrigerates and drives the secondary refrigerant to circularly flow. The low-temperature secondary refrigerant enters a tube pass pipeline of the heat exchanger, exchanges heat with the liquid coolant on the shell pass of the heat exchanger and circularly flows. The liquid coolant on the shell side of the heat exchanger releases heat, and changes phase into solid coolant until the cold charging is finished.
When the cold storage type air-cooled heat exchanger operates in cold insulation mode, the air cooler operates to drive air to flow through the surface of the air duct pipe of the heat exchanger and exchange heat with the low-temperature coolant on the shell side of the heat exchanger to become low-temperature air. The solid coolant on the shell side of the heat exchanger absorbs heat and changes phase into liquid coolant. When the balance of the shell-side solid coolant of the heat exchanger is not enough to meet the refrigeration requirement, the cold needs to be recharged.
Compared with the prior art, the utility model has the advantages of it is following:
1. the cold accumulation type air-cooled heat exchanger provided by the utility model adopts air-cooled forced convection heat exchange, has high heat exchange efficiency, small heat exchange area, simple and compact integral structure, high strength, light weight, few easily-damaged parts, simple maintenance and low maintenance cost; the air-cooled forced convection heat exchange is adopted, the temperature in the cold storage type freezing and refrigerating box can be actively controlled, the temperature fluctuation is small, and the energy efficiency is high; the heat exchange area is increased and the structural strength is improved by arranging the air duct pipes on the heat exchanger shell.
2. The utility model provides an air-cooled heat exchanger of cold-storage type, heat exchanger inside support, heat exchanger wind channel pipe, heat exchanger wind channel inside lining plate, secondary refrigerant heat exchange tube, heat exchange tube support frame, lug, tube side secondary refrigerant import and tube side secondary refrigerant export, the welding is in the same place, constitutes the inside framework of heat exchanger, multiplicable heat exchanger intensity.
3. The utility model provides a cold accumulation type air-cooled heat exchanger, a heat exchanger shell, a shell pass cold accumulation agent filling port and a shell pass cold accumulation agent overflow port are welded on an internal framework of the heat exchanger to form a heat exchanger component; then an automatic exhaust valve, an air cooler and a bonded heat preservation layer are installed to form the cold storage type air cooling heat exchanger. When in actual use, the heat exchanger is assembled and then is arranged in a cold storage type freezing and refrigerating box for storing articles, and the heat exchanger can be used after being electrified.
4. The utility model provides a cold-storage type forced air cooling heat exchanger, heat exchanger air duct pipe, heat exchanger air duct inside lining plate and heat exchanger shell welding together both can form the wind channel, increase heat exchanger heat transfer area, can form the stiffening beam again, improve heat exchanger structural strength.
5. The utility model provides a cold-storage type forced air cooling heat exchanger, heat exchanger inside support, heat exchanger wind channel inside lining plate and heat exchange tube support frame increase trompil quantity under the prerequisite that satisfies intensity, have alleviateed product weight.
6. The utility model provides a cold accumulation type air-cooled heat exchanger, when filling cold accumulation agent, the cold accumulation agent is filled from the filling port of the shell pass, and the gas in the shell pass is discharged from the automatic exhaust valve; when the shell side is filled with the cold-storage agent, the surplus part can flow out from the overflow port of the cold-storage agent.
7. The utility model provides a cold accumulation type air-cooled heat exchanger, the secondary refrigerant exchanges heat with the shell pass cold accumulation agent through a secondary refrigerant heat exchange tube; the air exchanges heat with the coolant on the shell side through the air duct pipe of the heat exchanger.
Based on the above reasons, the utility model discloses can extensively promote in fields such as cold-storage type freezer fridge of storing articles such as vegetables and fruits, meat.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an external view of the present invention.
Fig. 3 is a side view of the present invention.
Fig. 4 is a schematic diagram of the internal structure of the present invention.
In the figure: 1. a heat-insulating layer; 2. a heat exchanger housing; 3. a heat exchanger duct inner lining plate; 4. a heat exchanger air duct pipe; 5. a coolant; 6. a secondary refrigerant; 7. a shell pass coolant overflow port; 8. a tube pass secondary refrigerant outlet; 9. an air cooler; 10. a shell pass coolant filling port; 11. a tube pass secondary refrigerant inlet; 12. lifting lugs; 13. an automatic exhaust valve; 14. a heat exchange tube support frame; 15. the inside of the heat exchanger is supported; 16. and the secondary refrigerant heat exchange tube.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 work belong to the protection scope of the present invention.
As shown in fig. 1-4, the utility model provides a cold-storage air-cooled heat exchanger, which comprises an air cooler 9 and a closed shell body composed of a heat exchanger shell 2, a heat exchanger air duct lining plate 3 and a heat exchange tube support frame 14; the air cooler 9 is positioned outside the closed shell, and the installation position of the air cooler 9 is determined according to the actual use condition; the heat exchange tube support frames 14 are vertically welded on two sides of the heat exchanger shell 2, and openings on two sides of the heat exchanger shell 2 are closed; vertical long grooves distributed at intervals are formed in a front plate of the heat exchanger shell 2, and the heat exchanger air duct lining plate 3 is arranged in the long grooves to seal the long grooves.
A shell-side cold-storage agent filling port 10 is connected to the lower part of the heat exchanger shell 2, a shell-side cold-storage agent overflow port 7 is connected to the upper part of the heat exchanger shell, cold-storage agent 5 is filled into the closed shell from the shell-side cold-storage agent filling port 10, and redundant cold-storage agent 5 flows out through the shell-side cold-storage agent overflow port 7 (the cold-storage agent 5 cannot be filled fully, when the cold-storage agent 5 flows out from the overflow port 7, the filling amount meets the requirement, and at the moment, the filling should be stopped); the air inside is discharged through an automatic exhaust valve 13 arranged above the heat exchange tube support frame 14; as shown in fig. 2 and 3.
The heat exchange tube support frames 14 on two sides are symmetrically provided with first mounting holes, secondary refrigerant heat exchange tubes 16 are arranged in the first mounting holes on two sides, the secondary refrigerant heat exchange tubes 16 are welded into a serpentine pipeline, penetrate through the first mounting holes on two sides in sequence and are arranged from bottom to top. The bent part of the snake-shaped pipeline is U-shaped. The secondary refrigerant heat exchange tube 16 can not be processed and formed at one time and can be made into a U-shaped tube or a straight tube, and then a U-shaped elbow is welded at the end part to form a snake-shaped pipeline.
The starting end and the terminal end of the secondary refrigerant heat exchange tube 16 are respectively positioned at the bottom and the top of the heat exchange tube support frame 14, the starting end is connected with a tube pass secondary refrigerant inlet 11, and the other end of the tube pass secondary refrigerant inlet 11 penetrates out of a back panel of the heat exchanger shell 2; the terminal is connected with a tube pass secondary refrigerant outlet 8, and the other end of the tube pass secondary refrigerant outlet 8 penetrates through a back plate of the heat exchanger shell 2.
The secondary refrigerant 6 is charged into the tube side secondary refrigerant inlet 11, passes through the secondary refrigerant heat exchange tubes 16 and flows out of the tube side secondary refrigerant outlet 8; the secondary refrigerant 6 exchanges heat with the coolant 5 through the secondary refrigerant heat exchange tubes 16; as shown in fig. 4. When the heat exchanger of the utility model is used for cold accumulation, the refrigerating unit equipment which is externally connected drives the secondary refrigerant 6 to flow in the pipeline for heat exchange; when the cold accumulation is finished, the externally connected refrigerating unit equipment is disconnected, and the secondary refrigerant 6 does not flow any more.
And second mounting holes which are distributed at intervals in the vertical direction are formed in the heat exchanger air duct lining plate 3, a heat exchanger air duct pipe 4 is arranged in each second mounting hole, and the other end of each heat exchanger air duct pipe 4 is connected with the back panel of the heat exchanger shell 2.
As shown in fig. 1, after the power is turned on, the air cooler 9 operates, adopts forced convection heat transfer, utilizes the air cooler 9 to drive the air circulation flow to pass through the surface of the heat exchanger air duct pipe 4, through the heat exchanger air duct pipe 4 exchanges heat with the low-temperature coolant 5 stored in the shell side (the shell side means the utility model discloses in store the closed shell of coolant 5), realizes refrigerating. The heat exchanger air duct pipe 4 is not only an air duct of cooled air to increase the heat exchange area, but also a stiffening beam for fixing the shell to improve the strength of the heat exchanger.
The outer surface of the heat exchanger shell 2 is pasted with a heat preservation layer 1, so that cold loss is avoided, and the heat preservation layer 1 is made of heat insulation materials such as EPDM.
The heat exchanger is characterized in that a heat exchanger inner support 15 is arranged inside the heat exchanger shell 2, the heat exchanger inner support 15 is horizontally arranged, two ends of the heat exchanger inner support are connected with the two sides of the heat exchange tube support 14, and the front side of the heat exchanger inner support is connected with the heat exchanger air duct lining plate 3.
Lifting lugs 12 for lifting the heat exchanger are arranged on two sides of the top of the heat exchanger shell 2.
On the premise that the strength of the inner support 15 of the heat exchanger is met, a plurality of first through holes distributed at intervals are formed, so that the number of holes is increased, and the weight of a product is reduced; the central line of the first through hole is vertical to the horizontal plane.
On the premise of meeting the requirement of strength, the heat exchanger air duct lining plate 3 and the heat exchange tube support frame 14 are provided with a plurality of second through holes distributed at intervals, so that the number of holes is increased, and the weight of a product is reduced; the axis of the second through hole is perpendicular to the vertical surface.
The secondary refrigerant heat exchange tubes 16 are divided into two paths which are arranged in parallel, the starting ends of the two paths of secondary refrigerant heat exchange tubes 16 are connected with the tube pass secondary refrigerant inlet 11, and the terminal ends of the two paths of secondary refrigerant heat exchange tubes are connected with the tube pass secondary refrigerant outlet 8. The utility model discloses the secondary refrigerant heat exchange tube 16 of enough quantity need be installed in the heat exchanger, improves heat transfer area, satisfies the heat transfer requirement. However, the number of the secondary refrigerant heat exchange tubes 16 is large, the total length of the tubes is too long, and the resistance loss of the secondary refrigerant 6 flowing in the tubes is too large, so that the secondary refrigerant heat exchange tubes 16 are arranged in two paths in parallel, and the flow resistance loss of the secondary refrigerant 6 is reduced.
The axis of the first mounting hole is perpendicular to the vertical surface; the axis of the second mounting hole is perpendicular to the vertical surface. Wherein the axis of the first mounting hole is perpendicular to the axis of the second mounting hole.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. A cold accumulation type air-cooled heat exchanger is characterized by comprising an air cooler (9) and a closed shell which is composed of a heat exchanger shell (2), a heat exchanger air duct lining plate (3) and a heat exchange tube support frame (14); the air cooler (9) is positioned outside the closed shell, and the installation position of the air cooler (9) is determined according to the actual use condition; the heat exchange tube support frames (14) are vertically welded on two sides of the heat exchanger shell (2) to seal openings on two sides of the heat exchanger shell (2); vertical long grooves distributed at intervals are formed in a front plate of the heat exchanger shell (2), and the heat exchanger air duct lining plate (3) is arranged in the long grooves to seal the long grooves;
a shell-side cold-storage agent filling port (10) is connected to the lower part of the heat exchanger shell (2), a shell-side cold-storage agent overflow port (7) is connected to the upper part of the heat exchanger shell, a cold-storage agent (5) is filled into the shell-side cold-storage agent filling port (10) to the inside of the closed shell, and redundant cold-storage agent (5) flows out through the shell-side cold-storage agent overflow port (7); the air inside the heat exchange tube is exhausted through an automatic exhaust valve (13) arranged above the heat exchange tube support frame (14);
first mounting holes are symmetrically formed in the heat exchange tube support frames (14) on the two sides, refrigerant-carrying heat exchange tubes (16) are arranged in the first mounting holes on the two sides, the refrigerant-carrying heat exchange tubes (16) are combined and welded into a snake-shaped pipeline, sequentially penetrate through the first mounting holes on the two sides, and are arranged from bottom to top; the bent part of the serpentine pipeline is U-shaped;
the starting end and the terminal end of the secondary refrigerant heat exchange tube (16) are respectively positioned at the bottom and the top of the heat exchange tube support frame (14), the starting end is connected with a tube pass secondary refrigerant inlet (11), and the other end of the tube pass secondary refrigerant inlet (11) penetrates through a back panel of the heat exchanger shell (2); the terminal is connected with a tube pass secondary refrigerant outlet (8), and the other end of the tube pass secondary refrigerant outlet (8) penetrates through a back panel of the heat exchanger shell (2);
the secondary refrigerant (6) is charged from the tube-side secondary refrigerant inlet (11), passes through the secondary refrigerant heat exchange tubes (16) and flows out from the tube-side secondary refrigerant outlet (8); the secondary refrigerant (6) exchanges heat with the cold storage agent (5) through the secondary refrigerant heat exchange tube (16);
second mounting holes are formed in the heat exchanger air duct lining plate (3) and are distributed at intervals in the vertical direction, heat exchanger air duct pipes (4) are arranged in the second mounting holes, and the other ends of the heat exchanger air duct pipes (4) are connected with a back panel of the heat exchanger shell (2);
forced convection heat exchange is adopted, the air cooler (9) is utilized to drive air to circulate and flow through the surface of the heat exchanger air duct pipe (4), and heat exchange is carried out between the heat exchanger air duct pipe (4) and the low-temperature coolant (5) stored in the shell pass.
2. The cold-storage type air-cooled heat exchanger according to claim 1, characterized in that the heat-insulating layer (1) is adhered to the outer surface of the heat exchanger housing (2) to avoid loss of cooling capacity, and the heat-insulating layer (1) is made of heat-insulating material.
3. The cold storage type air-cooled heat exchanger according to claim 1 or 2, characterized in that a heat exchanger inner support (15) is arranged inside the heat exchanger housing (2), the heat exchanger inner support (15) is horizontally arranged, two ends of the heat exchanger inner support are connected with the heat exchange tube support frames (14) at two sides, and the front surface of the heat exchanger inner support is connected with the heat exchanger air duct lining plate (3).
4. The cold-storage type air-cooled heat exchanger according to claim 3, characterized in that lifting lugs (12) for lifting the heat exchanger are arranged on two sides of the top of the heat exchanger housing (2).
5. The cold-storage type air-cooled heat exchanger according to claim 3, characterized in that the heat exchanger inner support (15) is provided with a plurality of first through holes distributed at intervals on the premise of satisfying the strength; the central line of the first through hole is vertical to the horizontal plane.
6. The cold-storage type air-cooled heat exchanger according to claim 3, characterized in that the heat exchanger duct lining plate (3) and the heat exchange tube support frame (14) are provided with a plurality of second through holes distributed at intervals on the premise of satisfying the strength; the axis of the second through hole is perpendicular to the vertical surface.
7. The cold storage type air-cooled heat exchanger according to claim 6, characterized in that the secondary refrigerant heat exchange tubes (16) are divided into two paths and arranged in parallel, the starting ends of the two paths of secondary refrigerant heat exchange tubes (16) are connected with the tube pass secondary refrigerant inlet (11), and the terminal ends are connected with the tube pass secondary refrigerant outlet (8).
8. The cold-storage type air-cooled heat exchanger according to claim 6, wherein the axis of the first mounting hole is perpendicular to the vertical plane; the axis of the second mounting hole is perpendicular to the vertical surface.
9. The cold-storage type air-cooled heat exchanger according to claim 8, wherein an axis of the first mounting hole is perpendicular to an axis of the second mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020982260.4U CN212227455U (en) | 2020-06-02 | 2020-06-02 | Cold accumulation type air-cooled heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020982260.4U CN212227455U (en) | 2020-06-02 | 2020-06-02 | Cold accumulation type air-cooled heat exchanger |
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| CN212227455U true CN212227455U (en) | 2020-12-25 |
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| CN202020982260.4U Active CN212227455U (en) | 2020-06-02 | 2020-06-02 | Cold accumulation type air-cooled heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114279143A (en) * | 2021-12-31 | 2022-04-05 | 广东美的白色家电技术创新中心有限公司 | Refrigerating system and refrigerating equipment |
-
2020
- 2020-06-02 CN CN202020982260.4U patent/CN212227455U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114279143A (en) * | 2021-12-31 | 2022-04-05 | 广东美的白色家电技术创新中心有限公司 | Refrigerating system and refrigerating equipment |
| CN114279143B (en) * | 2021-12-31 | 2023-10-31 | 广东美的白色家电技术创新中心有限公司 | Refrigerating system and refrigerating equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Zuozhong Inventor after: Yin Xide Inventor after: Lin Lefeng Inventor after: Kong Deli Inventor after: Wu Zhengmao Inventor after: Shu Weihua Inventor after: Yan Shudong Inventor after: Chushao Group Inventor after: Li Rongyu Inventor before: Wang Zuozhong Inventor before: Kong Deli Inventor before: Wu Zhengmao Inventor before: Shu Weihua Inventor before: Yan Shudong Inventor before: Chushao Group Inventor before: Li Rongyu |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 116600 No. 8 Songlan Street, Dalian Economic and Technological Development Zone, Liaoning Province Patentee after: Bingshan Songyang Refrigerator System (Dalian) Co.,Ltd. Address before: 116000 No.8 Songlan street, Jinzhou new district, Dalian City, Liaoning Province Patentee before: PANASONIC REFRIGERATOR SYSTEM (DALIAN) CO.,LTD. |