CN214536803U - Heat exchanger and kitchen air conditioning system applying same - Google Patents
Heat exchanger and kitchen air conditioning system applying same Download PDFInfo
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- CN214536803U CN214536803U CN202023225280.6U CN202023225280U CN214536803U CN 214536803 U CN214536803 U CN 214536803U CN 202023225280 U CN202023225280 U CN 202023225280U CN 214536803 U CN214536803 U CN 214536803U
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Abstract
The heat exchanger comprises at least two heat exchange units which are stacked side by side, wherein adjacent heat exchange units are in fluid communication through corresponding first interfaces and second interfaces, the first ends of the heat exchange units are located at the same height to form flush ends of the heat exchanger, and the heights of the second ends of the heat exchange units are gradually changed to form step-shaped step ends of the heat exchanger. The heat exchanger of the air conditioning assembly of the kitchen air conditioning system is arranged in the smoke exhaust channel of the oil smoke absorption assembly, and the second heat exchanger is arranged in the air outlet channel. The flush end of the heat exchanger corresponds to the part with large air volume, and the step end corresponds to the part with small air volume, so that air flowing through the heat exchanger is more uniform, the heat exchange efficiency of the heat exchanger is favorably improved, in addition, the kitchen air conditioning system installs the heat exchanger in a smoke exhaust channel, and when the system works, the oil smoke can take away heat or cold of the heat exchanger, and the air conditioning efficiency is improved.
Description
Technical Field
The utility model relates to a kitchen air conditioning system especially relates to a heat exchanger and uses kitchen air conditioning system who has this heat exchanger.
Background
The finned tube type heat exchanger is the most commonly applied heat exchanger in the field of refrigeration and air conditioning, and has the advantages of simple and reliable structure, low cost and the like. The heat exchange tubes of the existing fin tube type heat exchanger are generally made into a plurality of rows and a plurality of columns, and the number of the tube rows of the same fin tube type heat exchanger along the airflow direction is equal. Its advantages are rectangular fin shape and simple preparing process. However, the following problems still exist in practical use: the number of the tube rows of the heat exchanger is not too large, otherwise, the resistance and noise of the air flow flowing through the fins are increased, and the power consumption of the fan is also increased.
The kitchen is the main place that people cook, and the good or bad of kitchen air environment directly influences the culinary art and experiences. The kitchen is hot in summer and cold in winter, and has the requirements of cold supply and heat supply, so that people invent various kitchen air conditioners, the air in the kitchen is cooled in summer, and warm air can be provided for the kitchen in winter, so that the cooking comfort level is improved. Because the kitchen space is limited, the volume of the kitchen air conditioner can not be too large, therefore, the heat dissipation of the kitchen air conditioner has a great problem, and if the heat dissipation can not be carried out in time in the use process of the kitchen air conditioner, the energy efficiency of the air conditioner can be greatly reduced. However, the existing kitchen air conditioner and the range hood work independently, the two can not be linked, and the heat generated by the kitchen air conditioner can not be discharged to the outside through the fan of the range hood, so that how to discharge the heat generated by the kitchen air conditioner through the range hood becomes a problem to be solved urgently. Although there is also a product like a range hood in the market at present, namely, an air conditioning component is added on the basis of a platform of the range hood, the range hood can realize all functions of the range hood and also can realize the function of an air conditioner. However, these air conditioner smoke ventilators often carry out simple function with the indoor set of traditional air conditioner and traditional lampblack absorber and merge, and outdoor unit of air conditioner still need install outdoor alone, and the air conditioner lampblack absorber integrated level of this kind of mode is not enough, and the installation is comparatively loaded down with trivial details, and moreover, the pipeline and the line connection of outer machine in the air conditioner also can destroy the wall body.
In order to improve the heat dissipation effect, also disclose at present and install the structure in the exhaust stack with the heat exchanger, dispel the heat to the heat exchanger through the oil smoke, but because the wind of the inside different positions of exhaust stack is inhomogeneous, lead to the air velocity inequality everywhere of heat exchanger of flowing through, the heat exchanger that the pipe row number is many (along airflow direction thickness size big), the tube array number is many (the height size of perpendicular airflow direction is big), this kind of difference is bigger, the exothermic coefficient of outside of tubes is closely related with the air velocity of sweeping across the fin surface, because the difference of air velocity leads to the heat transfer coefficient nonconformity in the different regions of heat exchanger, total heat transfer area can not effectively utilized, the heat exchange efficiency of whole heat exchanger is not high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the first technical problem to provide a heat exchanger that becomes even behind novel structure, the different amount of wind flow through the heat exchanger to above-mentioned prior art current situation.
The utility model aims to solve the second technical problem to provide a kitchen air conditioning system that heat exchanger heat exchange efficiency is high, the air conditioner radiating effect is good to above-mentioned prior art current situation.
The utility model provides a technical scheme that above-mentioned first technical problem adopted does: the heat exchanger is characterized in that: the heat exchanger comprises at least two heat exchange units which are stacked side by side, wherein each heat exchange unit is provided with a first interface and a second interface, one of the first interface and the second interface is an inlet, the other interface is an outlet, adjacent heat exchange units are in fluid communication through the corresponding first interface and the second interface, the heights of the heat exchange units are different, the first ends of the heat exchange units are located at the same height to form flush ends of the heat exchanger, and the heights of the second ends of the heat exchange units are gradually changed to be in a step shape to form step ends of the heat exchanger.
Preferably, each of the heat exchange units includes collecting pipes arranged in parallel and a heat transfer pipe connected between and communicated with the collecting pipes, and the first and second ports are disposed at diagonal ends of the collecting pipes on both sides.
In order to enable the refrigerant to smoothly flow through the collecting pipe and the heat transfer pipe, the collecting pipe is internally provided with partition plates at intervals along the length direction, and the partition plates in the collecting pipes on two sides of the same heat exchange unit are distributed in a staggered manner in the length direction of the collecting pipe.
The heat transfer pipe can have various structures, and preferably, the heat transfer pipe is flat pipes distributed in parallel.
Preferably, the number of the heat exchange units is three or more.
In order to enable the adjacent heat exchange units to be smoothly communicated, the first interfaces of the adjacent heat exchange units are communicated with the corresponding second interfaces through connecting pipes.
The utility model provides a technical scheme that above-mentioned second technical problem adopted does: this kitchen air conditioning system, including air conditioning component and oil absorption cigarette subassembly, the air conditioning component include the compressor first heat exchanger and second heat exchanger, be linked together through the refrigerant pipeline between compressor, first heat exchanger and the second heat exchanger, the oil absorption cigarette subassembly includes the casing and locates the exhaust passage in the casing, its characterized in that: an air outlet channel separated from the smoke exhaust channel is further arranged in the machine shell, the heat exchanger forms the first heat exchanger and is arranged in the smoke exhaust channel, the second heat exchanger is arranged in the air outlet channel, and an air outlet of the air outlet channel is in fluid communication with the interior of the kitchen room.
Further preferably, the heat exchanger is disposed vertically or inclined toward the windward side with respect to a vertical plane or inclined toward the leeward side with respect to a vertical plane, and the flush end of the heat exchanger is located above and the stepped end of the heat exchanger is located below. Therefore, the air flowing through the heat exchanger is more uniform, and the heat exchange efficiency of the heat exchanger is improved.
The smoke exhaust channel and the air outlet channel can be distributed in various manners, preferably, an oil smoke suction fan is arranged in the casing, the smoke exhaust channel and the air outlet channel are arranged above the oil smoke suction fan and distributed left and right, and the smoke exhaust channel is arranged at the downstream of an air outlet of the oil smoke suction fan along the oil smoke flowing direction.
In order to realize the binary channels structure, smoke exhausting channel includes first smoke exhausting channel and second smoke exhausting channel the wind channel diverter valve that is used for switching one of them passageway in first smoke exhausting channel and the second smoke exhausting channel and the air outlet of range hood fan be linked together is installed to first smoke exhausting channel and second smoke exhausting channel's entry, the heat exchanger is located in the first smoke exhausting channel. Thus, the first smoke exhaust channel forms a heat dissipation channel, and the second smoke exhaust channel forms a straight exhaust channel.
Preferably, the second smoke exhaust channel is located on the left side of the casing, the first smoke exhaust channel is located on the right side of the second smoke exhaust channel, and the air outlet of the oil smoke suction fan is located on the left side of the casing and corresponds to the lower portion of the second smoke exhaust channel. This way. The air flow blown out upwards from the oil fume suction fan turns right and then blows to the heat exchanger in the first fume exhaust channel, and the air quantity at the position close to the fume exhaust port of the first fume exhaust channel is large, so that the air flowing through the heat exchanger is more uniform.
First exhaust flue and second exhaust flue can have multiple smoke discharging mode, preferably, first exhaust flue has first exhaust port, and second exhaust flue has the second exhaust port, first exhaust port and second exhaust port are independent each other.
In order to avoid the oil smoke from polluting the heat exchanger, an electrostatic purification device is further installed in the first smoke exhaust channel, and the electrostatic purification device is arranged at the upstream of the heat exchanger along the flowing direction of the oil smoke.
Preferably, the housing is provided with an air inlet and an air outlet of the air outlet channel, the air inlet is in fluid communication with the interior of the kitchen or the exterior of the kitchen, and the air outlet is arranged on the front side of the housing or on the top of the housing. Like this, the air-out passageway both can realize indoor air inlet, also can outdoor new trend get into the air-out passageway, and the position of air outlet also can nimble selection as required.
In order to make the system more compact and convenient to install, the compressor is integrated on the shell.
Preferably, a four-way valve is installed on the refrigerant pipeline, and a throttling device is installed on the refrigerant pipeline between the first heat exchanger and the second heat exchanger.
Compared with the prior art, the utility model has the advantages of: the heat exchanger comprises at least two heat exchange units stacked side by side, every two adjacent heat exchange units are in fluid communication through a corresponding first interface and a corresponding second interface, the first end of each heat exchange unit is located at the same height to form a flush end of the heat exchanger, the second end of each heat exchange unit is gradually changed in height to form a step end of the heat exchanger, therefore, the flush end corresponds to a part with large air volume, the step end corresponds to a part with small air volume, so that air flowing through the heat exchanger is more uniform, the heat exchange efficiency of the heat exchanger is favorably improved, in addition, the kitchen air conditioning system installs the heat exchanger in a smoke exhaust channel, when the system works, the heat or cold of the heat exchanger can be taken away by oil smoke, and the air conditioning efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a heat exchanger according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a heat exchange unit according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a system according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a range hood according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 and fig. 2, the heat exchanger 12 of the present embodiment includes three heat exchange units 120 stacked side by side, the heights of the heat exchange units 120 are different, the first ends of the heat exchange units 120 are at the same height to form a flush end of the heat exchanger 12, and the heights of the second ends of the heat exchange units 120 are gradually changed to form a step end of the heat exchanger 12.
Each heat exchange unit 120 comprises a collecting pipe 121 and a heat transfer pipe 122, wherein the collecting pipes 121 are arranged on two sides of the heat exchanger 12, the collecting pipes 121 on the two sides are parallel to each other, a first connector 123 and a second connector 124 are respectively arranged on the diagonal ends of the collecting pipes 121 on the two sides, namely, the first connector 123 is arranged on the upper left corner of the collecting pipe on the left side, the second connector 124 is arranged on the lower right corner of the collecting pipe on the right side, one of the first connector 123 and the second connector 124 is an inlet, the other connector is an outlet, and the first connector 123 and the corresponding second connector 124 of the adjacent heat exchange unit 120 are communicated through a connecting pipe 126. Partitions 125 are provided at intervals along the longitudinal direction inside the header 121, and the partitions 125 in the header 121 on both sides of the same heat exchange unit 120 are distributed in a staggered manner in the longitudinal direction of the header 121.
The heat transfer pipes 122 are connected between the collecting pipes 121 on both sides and communicated with the collecting pipes 121, and the heat transfer pipes 122 of this embodiment are flat pipes distributed in parallel.
As shown in fig. 3 and 4, the kitchen air conditioning system of the present embodiment includes an air conditioning assembly and a fume exhaust assembly, the air conditioning assembly includes a compressor 11, a heat exchanger 12 and a second heat exchanger 13, the heat exchanger 12 constitutes a first heat exchanger, the compressor 11, the heat exchanger 12 and the second heat exchanger 13 are communicated with each other through a refrigerant pipeline 14, a four-way valve (not shown) is installed on the refrigerant pipeline 14, and a throttling device 15 is installed on the refrigerant pipeline 14 between the heat exchanger 12 and the second heat exchanger 13. A coolant flows through the coolant line 14, and water, ethylene glycol, glycerol, or the like can be used as a common coolant. The specific operation principle of the air conditioning assembly is the same as that of the existing air conditioner, and is not described herein.
The range hood assembly of this embodiment has a housing 20, a range hood fan 21 is disposed in the housing 20, and the range hood fan 21 is installed at the lower portion of the housing 20. The upper part of the casing 20 is provided with a smoke exhaust channel 22 and an air outlet channel 23 which are isolated from each other, and along the flow direction of the oil smoke, the smoke exhaust channel 22 is arranged at the downstream of the air outlet of the oil smoke suction fan 21. The direction indicated by the arrow a in fig. 3 is taken as the right, and the air outlet channel 23 is located at the right side of the smoke exhaust channel 22. The present embodiment integrates the compressor 11 on the casing 20, and the compressor 11 is located at the right side of the fume exhaust fan 21 and below the air outlet channel 23.
The smoke exhausting channel 22 of the present embodiment includes a first smoke exhausting channel 221 and a second smoke exhausting channel 222, and an air channel switching valve 3 for switching one of the first smoke exhausting channel 221 and the second smoke exhausting channel 222 to communicate with the air outlet of the range hood 21 is installed at the inlets of the first smoke exhausting channel 221 and the second smoke exhausting channel 222. Specifically, the second smoke exhausting channel 222 is located at the left side of the casing 20, the first smoke exhausting channel 221 is located at the right side of the second smoke exhausting channel 222, and the air outlet of the range hood 21 is located at the left side of the casing 20 and corresponds to the lower side of the second smoke exhausting channel 222.
In the present embodiment, the heat exchanger 12 is installed in the first smoke discharge duct 221, and the heat exchanger 12 is disposed obliquely toward the windward side with respect to the vertical plane, and the flush end of the heat exchanger 12 is located above and near the first smoke discharge port 223 of the first smoke discharge duct 221, and the stepped end of the heat exchanger 12 is located below. The air flow blown out upwards from the range hood fan 21 turns right and then blows towards the heat exchanger 12 in the first smoke exhaust channel 221, and the air quantity at the first smoke exhaust port 223 close to the first smoke exhaust channel 221 is relatively large, so that the air flowing through the heat exchanger 12 is more uniform, and the heat exchange efficiency of the heat exchanger 12 is favorably improved.
An electrostatic purification device 4 is also installed in the first smoke exhaust path 221, and the electrostatic purification device 4 is provided upstream of the heat exchanger 12 in the smoke flowing direction, thereby preventing the smoke from contaminating the heat exchanger 12.
The first smoke exhaust channel 221 of the present embodiment has a first smoke exhaust port 223, the second smoke exhaust channel 222 has a second smoke exhaust port 224, and the first smoke exhaust port 223 and the second smoke exhaust port 224 are independent of each other. The first exhaust port 223 and the second exhaust port 224 are connected to the same exhaust pipe 5.
The second heat exchanger 13 is installed in the air outlet channel 23, and an air inlet (not shown) and an air outlet 24 of the air outlet channel 23 are provided on the housing 20. The air inlet can be communicated with the inside of a kitchen or the outside of the kitchen. The air outlet 24 is in fluid communication with the interior of the kitchen, the air outlet 24 may be disposed on the front surface of the housing 20 or on the top of the housing 20, when the air outlet is disposed on the front surface of the housing 20, the air conditioning air is directly blown from the air outlet into the interior of the kitchen, and when the air outlet is disposed on the top of the housing 20, the air outlet is communicated with the interior of the kitchen through an air duct (not shown).
The working process of the kitchen air conditioning is as follows:
only the range hood is opened, the air duct switching valve 3 closes the first smoke exhaust channel 221, the second smoke exhaust channel 222 is opened, and the oil smoke is exhausted through the second smoke exhaust channel 222.
Under the refrigeration mode, range hood and air conditioner are all opened, air duct diverter valve 3 closes second smoke exhausting channel 222, first smoke exhausting channel 221 is opened, the oil smoke is discharged through first smoke exhausting channel 221, at this moment, heat exchanger 12 is the condenser, second heat exchanger 13 is the evaporimeter, first interface 123 is the entry of refrigerant, second interface 124 is the export of refrigerant, the oil smoke gas flows and sweeps the surface of condenser and can cool down, dispel the heat to the condenser, reduce the secondary refrigerant temperature in the condenser of flowing through, thereby improve the heat transfer effect of condenser, and then improve the air conditioner efficiency. Meanwhile, cold air is fed into the kitchen room from the air outlet 24 of the air outlet channel 23. Moreover, after the heat exchanger 12 adopts a structure that one end is flush and the other end is distributed in a step shape, the air quantity flowing through the heat exchanger 12 can be more uniform, thereby being beneficial to improving the heat exchange efficiency of the heat exchanger 12 and further being beneficial to improving the system performance.
In the heating mode, the range hood and the air conditioner are both opened, the air duct switching valve 3 closes the second smoke exhaust channel 222, the first smoke exhaust channel 221 is opened, the oil smoke is exhausted through the first smoke exhaust channel 221, at this time, the heat exchanger 12 is an evaporator, the second heat exchanger 13 is a condenser, the second interface 124 is an inlet of a refrigerant, the first interface 123 is an outlet of the refrigerant, the cold energy of the evaporator is taken away by the oil smoke, and meanwhile, the warm air is sent into the kitchen room from the air outlet 24 of the air outlet channel 23. Similarly, after the heat exchanger 12 adopts a structure in which one end is flush and the other end is distributed in a step shape, the air volume flowing through the heat exchanger 12 can be more uniform, thereby being beneficial to improving the heat exchange efficiency of the heat exchanger 12 and further being beneficial to improving the system performance.
Additionally, the utility model discloses an oil absorption cigarette subassembly is not restricted to the structure that adopts casing internally mounted oil absorption cigarette fan, and the oil absorption cigarette subassembly also can adopt unpowered structure, and the oil absorption cigarette subassembly only remains the collection cigarette casing promptly, and with the oil absorption cigarette fan external casing outside, for example, can install the top at the public flue of building with the oil absorption cigarette fan.
The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter collectively referred to as a first portion and a second portion), i.e., a fluid (gas, liquid or a mixture of both) can flow along a flow path from the first portion or/and be transported to the second portion, and may be directly communicated between the first portion and the second portion, or indirectly communicated between the first portion and the second portion via at least one third member, which may be a fluid passage such as a pipe, a channel, a duct, a flow guide, a hole, a groove, or a chamber allowing the fluid to flow therethrough, or a combination thereof.
Claims (15)
1. A heat exchanger (12), characterized by: the heat exchanger comprises at least two heat exchange units (120) stacked side by side, wherein each heat exchange unit (120) is provided with a first interface (123) and a second interface (124), one interface of the first interface (123) and the second interface (124) is an inlet, the other interface of the first interface and the second interface is an outlet, the adjacent heat exchange units (120) are in fluid communication through the corresponding first interface (123) and the second interface (124), the heights of the heat exchange units (120) are different, the first ends of the heat exchange units (120) are located at the same height to form a flush end of the heat exchanger (12), and the heights of the second ends of the heat exchange units (120) are gradually changed to form a step end of the heat exchanger (12).
2. The heat exchanger of claim 1, wherein: each heat exchange unit (120) comprises collecting pipes (121) which are arranged in parallel and a heat transfer pipe (122) which is connected between the collecting pipes and communicated with the collecting pipes, and the first connector (123) and the second connector (124) are arranged on the diagonal ends of the collecting pipes (121) on the two sides.
3. The heat exchanger of claim 2, wherein: the collecting pipes (121) are internally provided with partition plates (125) at intervals along the length direction, and the partition plates (125) in the collecting pipes (121) at two sides of the same heat exchange unit (120) are distributed in a staggered manner in the length direction of the collecting pipes (121).
4. The heat exchanger of claim 2, wherein: the heat transfer pipes (122) are flat pipes which are distributed in parallel.
5. The heat exchanger of claim 1, wherein: the number of the heat exchange units (120) is three or more.
6. A kitchen air conditioning system equipped with the heat exchanger of any one of claims 1 to 5, comprising an air conditioning assembly and a fume exhaust assembly, wherein the air conditioning assembly comprises a compressor (11), the first heat exchanger (12) and the second heat exchanger (13), the compressor (11), the first heat exchanger and the second heat exchanger (13) are communicated with each other through a refrigerant pipeline (14), and the fume exhaust assembly comprises a casing (20) and a fume exhaust channel (22) arranged in the casing, and is characterized in that: an air outlet channel (23) separated from the smoke exhaust channel is further arranged in the machine shell (20), the heat exchanger (12) forms the first heat exchanger and is arranged in the smoke exhaust channel (22), the second heat exchanger (13) is arranged in the air outlet channel (23), and an air outlet (24) of the air outlet channel (23) is in fluid communication with the interior of the kitchen room.
7. The galley air conditioning system according to claim 6, wherein: the heat exchanger (12) is arranged vertically or inclined to the windward side or inclined to the leeward side with respect to the vertical plane, and the flush end of the heat exchanger (12) is located above and the stepped end of the heat exchanger (12) is located below.
8. The galley air conditioning system according to claim 6, wherein: the range hood is characterized in that the range hood fan (21) is installed inside the casing (20), the smoke exhaust channel (22) and the air outlet channel (23) are arranged above the range hood fan (21) and distributed left and right, and the smoke exhaust channel (22) is arranged at the downstream of an air outlet of the range hood fan (21) along the flow direction of oil smoke.
9. The galley air conditioning system according to claim 8, wherein: the smoke exhausting channel (22) comprises a first smoke exhausting channel (221) and a second smoke exhausting channel (222), an air channel switching valve (3) used for switching one of the first smoke exhausting channel (221) and the second smoke exhausting channel (222) to be communicated with an air outlet of the oil smoke suction fan (21) is installed at the inlets of the first smoke exhausting channel (221) and the second smoke exhausting channel (222), and the heat exchanger (12) is arranged in the first smoke exhausting channel (221).
10. The galley air conditioning system according to claim 9, wherein: the second smoke exhausting channel (222) is positioned on the left side of the machine shell (20), the first smoke exhausting channel (221) is arranged on the right side of the second smoke exhausting channel (222), and the air outlet of the oil smoke suction fan (21) is arranged on the left side of the machine shell (20) and corresponds to the lower portion of the second smoke exhausting channel (222).
11. The galley air conditioning system according to claim 9, wherein: the first smoke exhaust channel (221) is provided with a first smoke exhaust port (223), the second smoke exhaust channel (222) is provided with a second smoke exhaust port (224), and the first smoke exhaust port (223) and the second smoke exhaust port (224) are independent.
12. The galley air conditioning system according to claim 9, wherein: an electrostatic purification device (4) is further installed in the first smoke exhaust channel (221), and the electrostatic purification device (4) is arranged on the upstream of the heat exchanger (12) along the flow direction of the smoke.
13. The galley air conditioning system according to claim 6, wherein: an air inlet and an air outlet (24) of the air outlet channel (23) are formed in the machine shell (20), the air inlet is in fluid communication with the interior of the kitchen room or the exterior of the kitchen room, and the air outlet (24) is arranged on the front face of the machine shell (20) or on the top of the machine shell (20).
14. The galley air conditioning system according to claim 6, wherein: the compressor (11) is integrated in the housing (20).
15. The galley air conditioning system according to claim 6, wherein: a four-way valve is installed on a refrigerant pipeline, and a throttling device (15) is installed on a refrigerant pipeline (14) between the first heat exchanger and the second heat exchanger (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023225280.6U CN214536803U (en) | 2020-12-28 | 2020-12-28 | Heat exchanger and kitchen air conditioning system applying same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023225280.6U CN214536803U (en) | 2020-12-28 | 2020-12-28 | Heat exchanger and kitchen air conditioning system applying same |
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| CN214536803U true CN214536803U (en) | 2021-10-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114258247A (en) * | 2021-12-10 | 2022-03-29 | 韦氏（苏州）医疗科技有限公司 | Air treatment system for operating room machine room |
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2020
- 2020-12-28 CN CN202023225280.6U patent/CN214536803U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114258247A (en) * | 2021-12-10 | 2022-03-29 | 韦氏（苏州）医疗科技有限公司 | Air treatment system for operating room machine room |
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