CN113796705A - Air curtain cabinet of water-cooling condensation system - Google Patents
Air curtain cabinet of water-cooling condensation system Download PDFInfo
- Publication number
- CN113796705A CN113796705A CN202111155125.8A CN202111155125A CN113796705A CN 113796705 A CN113796705 A CN 113796705A CN 202111155125 A CN202111155125 A CN 202111155125A CN 113796705 A CN113796705 A CN 113796705A
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- water
- heat exchanger
- cabinet
- plate heat
- air curtain
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
- A47F3/0404—Cases or cabinets of the closed type
- A47F3/0408—Cases or cabinets of the closed type with forced air circulation
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
- A47F3/0404—Cases or cabinets of the closed type
- A47F3/0426—Details
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention relates to an air curtain cabinet of a water-cooling condensation system, which comprises a cabinet body, a refrigeration device and a blowing mechanism, wherein the height H of the cabinet body is 1900mm-2200mm, a transparent cabinet door is arranged right in front of the cabinet body, the refrigeration device comprises a compressor, a condenser, a throttling mechanism and an evaporator, the condenser is arranged at the top end of the cabinet body, the condenser comprises a plate heat exchanger, the plate heat exchanger is connected with a water supply device for supplying cooling water, the cabinet body comprises an air channel for air flowing and a containing cavity with displayed goods, the air channel is arranged at the rear side of the containing cavity, the blowing mechanism comprises a blowing fan and a blowing port, the compressor, the evaporator and the blowing fan are arranged in the air channel, the blowing port is arranged at the top end of the air channel, and the air curtain cabinet can increase the display area and save the installation space.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to an air curtain cabinet of a water-cooling condensation system, and belongs to the technical field of air curtain cabinets.
[ background of the invention ]
In the conventional all-in-one machine air curtain cabinet, a compressor is arranged at the bottom of the air curtain cabinet (or the top of the air curtain cabinet), which can greatly reduce the display area of the air curtain cabinet; and compressor and air curtain cabinet are separated each other among the conventional split air-curtain machine air curtain cabinet, and this also leads to the air curtain cabinet to need carry out the engineering field installation when the installation, can lead to the cost expression of air curtain cabinet, and delivery cycle prolongs, still can occupy great installation space in addition.
[ summary of the invention ]
The invention aims to provide an air curtain cabinet of a water-cooling condensing system, which can increase the display area and save the installation space.
The technical scheme adopted by the invention is as follows:
a water-cooling condensing system air curtain cabinet comprises a cabinet body, a refrigerating device and a blowing mechanism, wherein the height H of the cabinet body is 1900mm-2200mm, a transparent cabinet door is arranged right ahead the cabinet body, the refrigerating device comprises a compressor, a condenser, a throttling mechanism and an evaporator, the condenser is arranged at the top end of the cabinet body, the condenser comprises a plate heat exchanger, the plate heat exchanger is connected with a water supply device for providing cooling water, the plate heat exchanger comprises a first inlet and a second inlet, the first inlet and the second inlet are respectively connected with the evaporator and the water supply device, the first inlet and the second inlet are respectively arranged at two ends of the plate heat exchanger, the cabinet body comprises an air duct for gas flowing and a containing cavity with display goods, the air duct is arranged at the rear side of the containing cavity, the blowing mechanism comprises a blowing fan and a blowing opening, the compressor, the evaporator and the blowing fan are arranged in the air duct, and the blowing port is formed in the top end of the air duct.
The beneficial effects of the invention are as follows:
the invention comprises a cabinet body, a refrigerating device and a blowing mechanism, wherein the refrigerating device comprises a compressor, a condenser, a throttling mechanism and an evaporator, the blowing mechanism comprises a blowing fan and a blowing port, the internal space of the cabinet body is divided into an air channel and an accommodating cavity, the air duct is positioned at the rear side of the accommodating cavity, so that the display area of the accommodating cavity can be kept to the maximum, the display effect of goods can be optimal, the compressor, the evaporator and the blowing fan are arranged in the air channel, the compressor is not required to be arranged at the bottom or the top of the cabinet body, the display area of the invention can be ensured, the whole volume of the invention is not increased, in addition, the compressor does not need to be independently installed on site, the cost of the invention can be saved, the installation space of the invention can be greatly saved, and the delivery of the invention can not be influenced.
In addition, the evaporator and the blowing fan are arranged in the air duct, the air outlet is arranged at the top end of the air duct, the condenser is arranged on the upper surface of the cabinet body, when the refrigerating device runs, steam coming out of the evaporator enters the compressor after completing the refrigeration effect, the compressor compresses low-pressure low-temperature gas into high-pressure high-temperature gas by means of mechanical energy converted from electric energy, the gas flows to the plate heat exchanger at the top of the cabinet body, the gas enters the plate heat exchanger from the first inlet, meanwhile, cooling water provided by the water supply device enters the plate heat exchanger from the second inlet, the gas and the cooling water form convection in the plate heat exchanger for heat exchange, the gas emits heat and condenses the heat into liquid, the liquid coming out of the plate heat exchanger passes through the throttling mechanism, the throttling mechanism throttles the liquid into low-pressure low-temperature liquid by means of flow resistance and enters the evaporator, secondly, the air in the containing cavity is sucked into the air channel by the air blowing fan to form air flow, the air flow flows through the evaporator along the air channel, at the moment, the evaporator absorbs the heat of the air flow by depending on the temperature of the evaporator lower than the temperature of the air flow, the air flow is changed into low-temperature air flow, and finally the low-temperature air flow flows to the top end along the air channel and is blown out from the air outlet to form a low-temperature air curtain.
Preferably, the plate heat exchanger further comprises a first outlet and a second outlet, the first outlet and the second outlet are respectively located at two ends of the plate heat exchanger, and the first outlet is connected with the throttling mechanism.
Preferably, the plate heat exchanger is arranged in an inclined manner, the first inlet and the second outlet are located at the highest end of the plate heat exchanger, and the second inlet and the first outlet are located at the lowest end of the plate heat exchanger.
Preferably, the blower fan and the compressor are both installed at the bottom of the air duct.
Preferably, a partition plate is arranged between the accommodating cavity and the air duct, and a plurality of vent holes are formed in the partition plate.
Preferably, the partition plate is provided with a plurality of shelves for storing goods.
Preferably, the shelf is detachably connected to the isolation plate.
Preferably, the plurality of shelves are arranged at intervals from top to bottom.
Preferably, the distance D between adjacent shelves is 200mm-400mm, and the width W of the shelves is 300mm-500 mm.
Preferably, the bottom of the cabinet body is provided with a foot pad, the foot pad is provided with an adjusting device, and the adjusting device can adjust the height of the foot pad.
Other features and advantages of the present invention will be disclosed in more detail in the following detailed description of the invention and the accompanying drawings.
[ description of the drawings ]
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an embodiment of the present invention;
FIG. 3 is a front view of an embodiment of the present invention;
fig. 4 is a top view of an embodiment of the present invention.
Reference numerals: 1 cabinet body, 11 wind channels, 12 accommodating cavities, 121 shelves, 13 partition boards, 131 vent holes, 14 airflow, 21 compressor, 22 plate heat exchanger, 23 evaporator, 31 blower fan and 32 air outlet.
[ detailed description ] embodiments
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 4, this embodiment shows a water-cooled condensing system air curtain cabinet, which includes a cabinet body 1, a refrigerating device and a blowing mechanism, wherein the cabinet body 1 is provided with an air duct 11 for air flowing and a containing cavity 12 having goods to be displayed, the air duct 11 is located at the rear side of the containing cavity 12, a partition plate 13 is arranged between the air duct 11 and the containing cavity 12, the partition plate 13 is provided with a plurality of ventilation holes 131, a plurality of shelves 121 for storing goods are installed in the containing cavity 12, the shelves 121 are detachably connected to the partition plate 13, the shelves 121 are arranged at intervals from top to bottom, a distance D between the upper shelf 121 and the lower shelf 121 is 200mm to 400mm, a width W of the shelf 121 is 300mm to 500mm, a distance D between the upper shelf 121 and the lower shelf 121 in this embodiment is 279mm, a width W of the shelf 121 is 400mm, the distance between the bottom shelf 121 of the isolation board 13 and the bottom of the containing cavity 12 is 350mm, so that in this embodiment, the distance between the two upper and lower shelves 121 can ensure that a customer can clearly see goods on the shelves 121, and the customer can conveniently observe and select the goods, 2 shelves 121 are arranged on the isolation board 13 at the same height, the height H of the cabinet body 1 is 1900mm-2200mm, the width L of the cabinet body 1 is 700mm-1000 mm, a transparent cabinet door is arranged right in front of the cabinet body 1, the height H of the transparent cabinet door from the ground is 100mm-300mm, the height H of the cabinet body 1 in this embodiment is 2050mm, the width L of the cabinet body 1 is 850mm, the height of the transparent cabinet from the ground is 200mm, the above parameter design can not only ensure that the cabinet body does not occupy a large space, but also can facilitate the installation of this embodiment, and secondly, the display area and the volume of the accommodating cavity 12 of the embodiment can be greatly increased, and the storage quantity of goods is increased.
In its inferior embodiment 1 bottom of the cabinet body is equipped with and fills up the foot, the callus on the sole specifically is equipped with 6, be equipped with adjusting device on filling up the foot, adjusting device can adjust fill up the height of foot, during the installation, the staff can be through adjusting device adjusts the cabinet body 1 of this embodiment to the level, ensures the goods of the cabinet body 1 inside can smooth place, avoids the goods of the cabinet body 1 inside appears rolling or turns on one's side the phenomenon and leads to the goods of the cabinet body 1 inside to appear mixed and disorderly condition, influences customer's experience and feels, makes this embodiment also can be applicable to on the bottom surface of unevenness in addition, increases substantially the application scope of this embodiment.
In addition it has a plurality of ventilation holes 131 to distribute on the division board 13 between two upper and lower goods shelves 121, and low temperature air current 14 after the refrigeration through evaporimeter 23 can directly blow the goods on goods shelves 121 through ventilation hole 131, ensures hold the goods on the intracavity bottom shelf also can obtain sufficient air conditioning, make goods can obtain effectual refrigeration, avoid thereby it influences the fresh-keeping of goods on the goods shelves 121 to appear obvious temperature difference in the chamber 13 to hold.
In this embodiment, the refrigeration device includes a refrigerant, a compressor 21, a condenser, a throttling mechanism and an evaporator 23, the compressor 21 and the evaporator 23 are installed in the air duct 11, the condenser is installed at the top of the cabinet 1, the condenser includes a plate heat exchanger 22, the plate heat exchanger 22 includes a first inlet, a first outlet, a second inlet and a second outlet, the first inlet is communicated with the first outlet, the second inlet is communicated with the second outlet, the first inlet is connected with the evaporator 23 in this embodiment, the first outlet is connected with the throttling mechanism, the first inlet is connected with a water supply device for supplying cooling water, in order to improve the condensation effect, the plate heat exchanger 22 is inclined in this embodiment, the first inlet and the second outlet are located at the highest end of the plate heat exchanger 22, the second inlet and the first outlet are located at the lowest end of the plate heat exchanger 22, the blowing mechanism includes a blowing fan 31 and a blowing port, the blowing fan 31 is installed at the bottom of the air duct 11, and the blowing port is located at the top end of the air duct 11.
In this embodiment, when the refrigeration apparatus operates, the refrigerant after completing the refrigeration action is steam, the steam enters the compressor 21 after coming out of the evaporator 23, the compressor 21 compresses the low-pressure and low-temperature gas into a high-pressure and high-temperature gas by means of mechanical energy converted from electrical energy, the gas discharged from the compressor becomes hot steam with a large degree of superheat, and when the gas is compressed, the compressor 21 consumes a certain compression work but the entropy value of the refrigerant is unchanged;
the high-pressure and high-temperature airflow discharged by the compressor 21 flows to the plate heat exchanger 22 at the top of the cabinet 1, the air enters the plate heat exchanger 22 from the first inlet, meanwhile, cooling water provided by the water supply device enters the plate heat exchanger 22 from the second inlet, and the gas and the cooling water form convection in the plate heat exchanger 22 for heat exchange, in this embodiment, the cooling water enters from the lowest end of the plate heat exchanger 22 and flows out from the highest end of the plate heat exchanger 22, and the refrigerant enters from the highest end of the plate heat exchanger 22 and flows out from the lowest end of the plate heat exchanger 22, in the plate heat exchanger 22, the cooling water and the refrigerator form a counter flow, which can be more beneficial to the heat dissipation of the refrigerant, the gas gradually dissipates heat, so that superheated steam gradually becomes saturated steam and further becomes saturated liquid, and the pressure is kept unchanged in the whole condensation process;
the liquid coming out of the plate heat exchanger 22 passes through a throttling mechanism which throttles the liquid into low-pressure low-temperature liquid by means of flow resistance and enters the evaporator 23, and the enthalpy value of the refrigerant is unchanged in the whole throttling process; secondly, the blower fan 31 sucks the air in the accommodating cavity 12 into the air duct 11 to form an air flow 14, the air flow 14 flows through the evaporator 23 along the air duct 11, at this time, the low-pressure wet steam throttled by the throttling mechanism absorbs the heat of the air flow 14 in the evaporator 23 depending on the temperature of the low-pressure wet steam lower than that of the air flow 14, so that the air flow 14 is changed into a low-temperature air flow 14, the air coming out of the evaporator is already dry saturated steam or superheated steam with a slight superheat degree, and the temperature and the pressure of the refrigerant are kept unchanged in the evaporation process;
the air current 14 through evaporimeter 23 forms after the cooling finally low temperature air current 14, low temperature air current 14 flows to the top and blows off from air outlet 32 along wind channel 11, and then partial air current 14 flows out through the ventilation hole 131 of division board 13, blows to goods on the goods shelves 121, makes low temperature air current 14 directly blow on the goods, cools down the goods, makes the goods be in the required temperature of fresh-keeping, forms the low temperature air curtain, the invention forms the heat dissipation circulation through wind channel 11, continues to provide low temperature air current 14 for holding chamber 12, makes the goods in holding chamber 12 can obtain effectual refrigeration.
In addition, in this embodiment, the internal space of the cabinet 1 is divided into the air duct 11 and the accommodating chamber 12, the air duct 11 is located at the rear side of the accommodating chamber 12, so that the display area of the accommodating chamber 12 can be kept to the maximum, and the display effect of goods can be optimized, the compressor 21, the evaporator 23 and the blowing fan 31 are installed in the air duct 11, and the compressor 21 does not need to be installed at the bottom or the top of the cabinet 1, so that the display area of the present invention can be ensured, the overall volume of the present invention is not increased, and in addition, the compressor 21 does not need to be installed on site separately, so that the cost of the present invention can be saved, the installation space of the present invention can be greatly saved, and the delivery of the present invention is not affected.
While the invention has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the invention is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the invention as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (10)
1. The utility model provides a water-cooling condensing system air curtain cabinet which characterized in that: the refrigerator comprises a cabinet body, a refrigerating device and a blowing mechanism, wherein the height H of the cabinet body is 1900mm-2200mm, a transparent cabinet door is arranged right ahead the cabinet body, the refrigerating device comprises a compressor, a condenser, a throttling mechanism and an evaporator, the condenser is arranged at the top end of the cabinet body, the condenser comprises a plate heat exchanger, the plate heat exchanger is connected with a water supply device for providing cooling water, the plate heat exchanger comprises a first inlet and a second inlet, the first inlet and the second inlet are respectively connected with the evaporator and the water supply device, the first inlet and the second inlet are respectively arranged at two ends of the plate heat exchanger, the cabinet body comprises an air channel for air flowing and a containing cavity with displayed goods, the air channel is arranged at the rear side of the containing cavity, the blowing mechanism comprises a blowing fan and a blowing port, and the compressor, the evaporator and the blowing fan are arranged in the air channel, the air blowing port is arranged at the top end of the air duct.
2. The water-cooled condensing system air curtain cabinet of claim 1, wherein: the plate heat exchanger further comprises a first outlet and a second outlet, the first outlet and the second outlet are respectively located at two ends of the plate heat exchanger, and the first outlet is connected with the throttling mechanism.
3. The air curtain cabinet of the water-cooled condensing system of claim 2, wherein: the plate heat exchanger is obliquely arranged, the first inlet and the second outlet are located at the highest end of the plate heat exchanger, and the second inlet and the first outlet are located at the lowest end of the plate heat exchanger.
4. The water-cooled condensing system air curtain cabinet of claim 1, wherein: the blowing fan and the compressor are both arranged at the bottom of the air channel.
5. The water-cooled condensing system air curtain cabinet of claim 1, wherein: the air duct is characterized in that a separation plate is arranged between the accommodating cavity and the air duct, and a plurality of ventilation holes are formed in the separation plate.
6. The water-cooled condensing system air curtain cabinet of claim 5, wherein: the isolation plate is provided with a plurality of goods shelves for storing goods.
7. The water-cooled condensing system air curtain cabinet of claim 6, wherein: the goods shelf is detachably connected with the isolation plate.
8. The water-cooled condensing system air curtain cabinet of claim 6, wherein: the plurality of goods shelves are arranged at intervals from top to bottom.
9. The water-cooled condensing system air curtain cabinet of claim 6, wherein: the upper and lower spacing distance D between the adjacent goods shelves is 200mm-400mm, and the width W of the goods shelves is 300mm-500 mm.
10. The water-cooled condensing system air curtain cabinet of claim 1, wherein: the cabinet body bottom is equipped with the pad foot, be equipped with adjusting device on the pad foot, adjusting device can adjust the height of pad foot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111155125.8A CN113796705A (en) | 2021-09-29 | 2021-09-29 | Air curtain cabinet of water-cooling condensation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111155125.8A CN113796705A (en) | 2021-09-29 | 2021-09-29 | Air curtain cabinet of water-cooling condensation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113796705A true CN113796705A (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111155125.8A Pending CN113796705A (en) | 2021-09-29 | 2021-09-29 | Air curtain cabinet of water-cooling condensation system |
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| Country | Link |
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| CN (1) | CN113796705A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009063283A (en) * | 2007-08-10 | 2009-03-26 | Hoshizaki Electric Co Ltd | Cooling device and its manufacturing method |
| CN103851816A (en) * | 2012-12-06 | 2014-06-11 | 海尔集团公司 | Refrigerating system of ultra-low temperature freezer and ultra-low temperature freezer adopting refrigerating system |
| CN204329397U (en) * | 2014-11-21 | 2015-05-13 | 珠海格力电器股份有限公司 | Water chilling unit |
| CN205946498U (en) * | 2016-08-26 | 2017-02-08 | 北京方舟智胜科技有限公司 | Adopt high density container formula data center cooling device of surface cooler |
| CN207688491U (en) * | 2017-11-27 | 2018-08-03 | 山东艾斯伦制冷设备有限公司 | External water condensation formula modularization freezer |
| CN208638863U (en) * | 2018-06-28 | 2019-03-22 | 青岛特来电新能源有限公司 | Phase change heat exchange device, charger radiating cabinet and charger |
| CN212901767U (en) * | 2020-08-15 | 2021-04-06 | 朱万启 | Mobile air conditioner using plate heat exchanger for refrigeration |
| CN112611148A (en) * | 2020-12-15 | 2021-04-06 | 中国南方电网有限责任公司超高压输电公司昆明局 | Mobile heat dissipation device |
| CN112790557A (en) * | 2021-03-17 | 2021-05-14 | 青岛助胜制冷科技有限公司 | Whole machine vertical refrigeration display cabinet with heat extraction device |
-
2021
- 2021-09-29 CN CN202111155125.8A patent/CN113796705A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009063283A (en) * | 2007-08-10 | 2009-03-26 | Hoshizaki Electric Co Ltd | Cooling device and its manufacturing method |
| CN103851816A (en) * | 2012-12-06 | 2014-06-11 | 海尔集团公司 | Refrigerating system of ultra-low temperature freezer and ultra-low temperature freezer adopting refrigerating system |
| CN204329397U (en) * | 2014-11-21 | 2015-05-13 | 珠海格力电器股份有限公司 | Water chilling unit |
| CN205946498U (en) * | 2016-08-26 | 2017-02-08 | 北京方舟智胜科技有限公司 | Adopt high density container formula data center cooling device of surface cooler |
| CN207688491U (en) * | 2017-11-27 | 2018-08-03 | 山东艾斯伦制冷设备有限公司 | External water condensation formula modularization freezer |
| CN208638863U (en) * | 2018-06-28 | 2019-03-22 | 青岛特来电新能源有限公司 | Phase change heat exchange device, charger radiating cabinet and charger |
| CN212901767U (en) * | 2020-08-15 | 2021-04-06 | 朱万启 | Mobile air conditioner using plate heat exchanger for refrigeration |
| CN112611148A (en) * | 2020-12-15 | 2021-04-06 | 中国南方电网有限责任公司超高压输电公司昆明局 | Mobile heat dissipation device |
| CN112790557A (en) * | 2021-03-17 | 2021-05-14 | 青岛助胜制冷科技有限公司 | Whole machine vertical refrigeration display cabinet with heat extraction device |
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