CN214523537U - Multifunctional vaccine refrigerator car adopting mechanical refrigeration and liquid nitrogen refrigeration - Google Patents
Multifunctional vaccine refrigerator car adopting mechanical refrigeration and liquid nitrogen refrigeration Download PDFInfo
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- CN214523537U CN214523537U CN202120748922.6U CN202120748922U CN214523537U CN 214523537 U CN214523537 U CN 214523537U CN 202120748922 U CN202120748922 U CN 202120748922U CN 214523537 U CN214523537 U CN 214523537U
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Abstract
A multifunctional vaccine refrigerator car adopting mechanical refrigeration and liquid nitrogen refrigeration comprises a car body and a refrigerator compartment, wherein a liquid nitrogen storage tank, a liquid nitrogen control valve box, an electric box, a display screen box and a power supply are arranged on the outer side of the refrigerator compartment, the refrigerator compartment is divided into a first temperature area and a second temperature area by a heat-insulating partition plate, a liquid nitrogen heat exchanger, a temperature sensor and an oxygen concentration detector are arranged in the first temperature area, a mechanical refrigeration unit is arranged on the outer side of the second temperature area, and the temperature sensor is located on the air return side of the liquid nitrogen heat exchanger. The utility model discloses an additional installation of liquid nitrogen refrigerating system function makes current bacterin refrigerator car can adapt to market demand in time rapidly, provides the temperature environment that can store-70 ℃ or other temperature demand bacterin products, can be according to the volume adjustment first warm area of every batch delivery product and the proportion in the temperature space of second warm area, has greatly strengthened the efficiency and the flexibility of cold chain transportation; meanwhile, the liquid nitrogen refrigeration has a faster cooling speed.
Description
Technical Field
The utility model relates to a medicine commodity circulation transportation field especially relates to the refrigerator car technique, particularly is an adopt multi-functional bacterin refrigerator car of mechanical refrigeration and liquid nitrogen refrigeration.
Background
In 2020, new coronaviruses are outbreaked all over the world, and with the successful development of new coronaviruses vaccines, the work of vaccination will be very important, and the range of popularization of vaccination will be gradually expanded, which provides challenges for cold chain transportation of vaccines. From the market demand end, the transportation temperature of the new crown inactivated vaccine researched and developed in China is required to be 2-8 ℃, the mRNA vaccine researched and developed by the American imodan needs a transportation environment of-20 ℃, and the new crown mRNA vaccine researched and developed by the American Gilles de la and the Germany BioNTech jointly needs a transportation environment of-70 ℃ to realize long-time preservation. The temperature of the domestic general low-temperature refrigerator car is mostly about-20 ℃ and is individually about-30 ℃, so the environment of ultralow temperature of-70 ℃ puts higher requirements on the technology of transportation tools.
The refrigeration unit used by the low-temperature refrigerator car in the prior art mainly adopts a mechanical compressor refrigeration mode, the refrigerator car needs an independent or non-independent refrigeration unit, the initial investment is large, the number of maintenance parts is large, the cost is high, the noise in the operation process is large, the non-independent refrigeration unit needs to be driven by engine fuel oil, and the air pollution caused by exhaust emission can be generated. In addition, the refrigerator car has long precooling time, long temperature returning time after door opening, and most of the lowest refrigerating temperature can only reach minus 30 ℃.
In order to deal with the large number of vaccine cold chain transport needs in a short period of time, redesigning a more suitable refrigeration system is undoubtedly the first direction of technical research. However, mechanical refrigeration is still the refrigeration mode of the refrigerator car with the largest market stock at present and is one of the most mature refrigeration modes in technology.
The technical problems in the prior art are as follows:
1. at present, most of vaccine refrigerated vehicles with huge market stocks in a mechanical refrigeration mode have transportation temperatures of 2-8 ℃ and-20 ℃, and are difficult to rapidly switch to meet the requirement of vaccine cold-chain transportation at lower temperature (such as-70 ℃).
2. For common single-temperature-zone vaccine refrigerated vehicles with the transportation temperature of 2-8 ℃ and-20 ℃, the carriage environment with double-temperature zones or even multi-temperature zones is difficult to form quickly, so that vaccines at different temperatures can not be matched and distributed flexibly during long-distance transportation.
3. The refrigerating space of a common double-temperature-zone carriage is not variable, and the loading capacity of vaccines at different temperatures during long-distance transportation cannot be flexibly adjusted.
4. The mechanical refrigerating unit has low cooling speed, long air-chamber precooling time and long temperature returning time after opening the door to pick up goods, and does not conform to the standard of the whole-process temperature control of the vaccine refrigerator car.
Disclosure of Invention
An object of the utility model is to provide an adopt the refrigerated multi-functional bacterin refrigerator car of mechanical refrigeration and liquid nitrogen, this kind of refrigerated multi-functional bacterin refrigerator car of adoption mechanical refrigeration and liquid nitrogen refrigeration solve the refrigerator car cooling rate among the prior art slow, can't transport the technical problem of the bacterin of different application temperatures.
The utility model discloses an adopt multi-functional bacterin refrigerator car of mechanical refrigeration and liquid nitrogen refrigeration, including automobile body and cold-stored railway carriage or compartment, the cold-stored railway carriage or compartment outside is provided with the liquid nitrogen storage tank, liquid nitrogen control valve box, the electric box, the display screen case, a power supply, the heat preservation baffle separates the cold-stored railway carriage or compartment into first warm area and second warm area, first warm area is provided with the back and opens the door, the front side of second warm area is provided with the side door, be provided with liquid nitrogen heat exchanger, a weighing sensor and an oxygen concentration detector in the first warm area, the outside of second warm area is provided with mechanical refrigeration unit, mechanical refrigeration unit communicates with the second warm area, temperature sensor is located the return air side of liquid nitrogen heat exchanger, liquid nitrogen heat exchanger includes air outlet circulating fan and return air inlet circulating fan, be provided with the solenoid valve in the liquid nitrogen control valve box;
the liquid nitrogen storage tank is connected with one end of the electromagnetic valve through a first pipeline, the other end of the electromagnetic valve is connected with a liquid inlet of the liquid nitrogen heat exchanger through a first liquid supply pipeline and a second liquid supply pipeline, a gas return port of the liquid nitrogen heat exchanger is connected with a liquid nitrogen control valve box through a first gas return pipeline and a second gas return pipeline, the liquid nitrogen control valve box is externally connected with a gas exhaust pipeline, and the second gas return pipeline is connected with a gas exhaust pipeline;
the electric box comprises a central control unit, and the central control unit is respectively connected with the display screen box, the liquid nitrogen heat exchanger, the temperature sensor, the oxygen concentration detector, the air outlet circulating fan, the air return inlet circulating fan and the electromagnetic valve through output and input ports of the central control unit.
Further, the heat preservation clapboard comprises a left side clapboard and a right side clapboard, two top central sliding rails are arranged in the middle of the top in the refrigeration box, top corner sliding rails are respectively arranged on the left side and the right side of the top of the refrigeration box, side plate sliding rails are respectively arranged on the left side wall and the right side wall of the refrigeration box, end enclosure limiting devices are respectively arranged at the two ends of the top central sliding rail, the top corner sliding rails and the side plate sliding rails, first top movable supporting wheels are respectively arranged at the top of the right side of the left side clapboard and the top of the left side of the right side clapboard, two second top movable supporting wheels are respectively arranged on the two top corner sliding rails, the middle part of the left side clapboard and the middle part of the right side clapboard are respectively provided with side plate movable supporting wheels, the two side plate moving support wheels are respectively arranged on the two side plate slide rails, the bottom of the left side partition plate and the bottom of the right side partition plate are respectively provided with a bottom moving support wheel, and the bottom moving support wheels are respectively arranged on the bottom surface of the refrigeration compartment;
push rod handles are arranged on the left side partition plate and the right side partition plate, a rotary door bolt and a hasp are respectively arranged on the left side partition plate and the right side partition plate, the rotary door bolt and the hasp are matched to fix the left side partition plate and the right side partition plate on the same plane, at least two fixing holes are arranged on the inner walls of the two sides of the refrigeration compartment along the direction vertical to the left side partition plate, threaded holes are respectively arranged on the left side partition plate and the right side partition plate on the corresponding horizontal heights of the fixing holes along the direction vertical to the left side partition plate and the right side partition plate, fixing bolts are arranged in the fixing holes, each fixing bolt is provided with a waist-shaped hole, a locking bolt is arranged in each waist-shaped hole, and each locking bolt penetrates through each waist-shaped hole and is locked with the corresponding threaded hole to fix the left side partition plate and the right side partition plate with the refrigeration compartment;
be provided with long waist hole on the slide rail of top central authorities, liquid nitrogen heat exchanger's top is connected with the jib, is fixed with the screw rod on the jib, and the screw rod setting is fixed by the nut in long waist hole, the both ends of screw rod, and second liquid supply pipeline and first gas return pipeline all adopt the hose.
Further, the display screen box is arranged on the outer side of the cab.
Furthermore, the liquid nitrogen storage tank adopts a horizontal suspension liquid nitrogen storage tank.
Further, the liquid nitrogen heat exchanger and the temperature sensor are both installed at the top of the first temperature zone, and the oxygen concentration detector is installed on the side wall of the first temperature zone.
Further, the liquid nitrogen storage tank, the liquid nitrogen control valve box, the electric box and the power supply are all installed at the bottom of the refrigeration compartment.
Furthermore, a silencer is externally connected to the exhaust pipeline.
Further, the power supply adopts a storage battery.
Compared with the prior art, the utility model, its effect is positive and obvious. The utility model discloses an adopt multi-functional bacterin refrigerator car of mechanical refrigeration and liquid nitrogen refrigeration can utilize the carriage space to cut off and the changeable mode of volume forms the second temperature interval on the basis of current mechanical refrigeration unit bacterin refrigerator car to obtain comparing the lower-70 ℃ of temperature storage temperature that can provide in mechanical refrigeration unit through installing the liquid nitrogen refrigeration function additional, perhaps the storage temperature that other mechanical refrigeration unit can not realize.
Compared with the traditional refrigerator car only provided with a mechanical refrigerating unit, the existing vaccine refrigerator car can rapidly and timely adapt to market demands by additionally arranging the functions of the liquid nitrogen refrigerating system, the temperature environment capable of storing vaccine products at-70 ℃ or other temperature demands is provided, and the original functional main body is not changed. Meanwhile, the refrigerator car with a single temperature zone can rapidly have the second temperature zone by utilizing the heat-insulating partition plate to divide the refrigerator car into two temperature zones, the proportion of the temperature spaces of the first temperature zone and the second temperature zone can be adjusted according to the volume of each batch of delivered products, and the efficiency and the flexibility of cold chain transportation are greatly enhanced; meanwhile, the liquid nitrogen refrigeration has a faster cooling speed, and the storage temperature can be quickly recovered after the door is opened and the discharge is carried out each time, so that the requirement of the whole-process temperature control of a cold chain is met; the consumption of an engine driving refrigeration system is reduced by liquid nitrogen refrigeration, the tail gas emission is reduced, and the environmental pollution is reduced; the liquid nitrogen refrigeration has fewer moving parts, so that the working noise of a refrigeration system is reduced, and the risk of system failure is also reduced.
Drawings
Fig. 1 is a front view structure diagram of the present invention.
Fig. 2 is a schematic view of the rear view structure of the present invention.
Fig. 3 is a schematic view of the front view structure of the thermal insulation partition board of the present invention after moving.
Fig. 4 is a schematic structural diagram of the left and right partition plates in the present invention.
Fig. 5 is a schematic structural diagram of the liquid nitrogen refrigeration control principle of the present invention.
Detailed Description
Example 1
The present invention will be further described with reference to the accompanying drawings and embodiments, but the present invention is not limited to this embodiment, and the protection scope of the present invention should be included in all similar structures and similar variations thereof.
As shown in figures 1-5, the utility model relates to a multifunctional vaccine refrigerator car using mechanical refrigeration and liquid nitrogen refrigeration, which comprises a car body and a refrigerator compartment 44, wherein the outside of the refrigerator compartment 44 is provided with a liquid nitrogen storage tank 10, a liquid nitrogen control valve box 11, an electric box 17 and a display screen box 9, the refrigerator comprises a power supply 18 and a heat-insulating partition plate 6, wherein a refrigeration compartment 44 is divided into a first temperature zone 1 and a second temperature zone 2, the first temperature zone 1 is provided with a rear opening door, the front side of the second temperature zone 2 is provided with a side opening door 7, a liquid nitrogen heat exchanger 4, a temperature sensor 3 and an oxygen concentration detector 16 are arranged in the first temperature zone 1, a mechanical refrigerating unit 8 is arranged outside the second temperature zone 2, the mechanical refrigerating unit 8 is communicated with the second temperature zone 2, the temperature sensor 3 is positioned on the air return side of the liquid nitrogen heat exchanger 4, the liquid nitrogen heat exchanger 4 comprises an air outlet circulating fan 40 and an air return opening circulating fan 41, and an electromagnetic valve 42 is arranged in a liquid nitrogen control valve box 11;
the liquid nitrogen storage tank 10 is connected with one end of an electromagnetic valve 42 through a first pipeline, the other end of the electromagnetic valve 42 is connected with a liquid inlet of a liquid nitrogen heat exchanger 4 through a first liquid supply pipeline 13 and a second liquid supply pipeline 15, a gas return port of the liquid nitrogen heat exchanger 4 is connected with a liquid nitrogen control valve box 11 through a first gas return pipeline and a second gas return pipeline, the liquid nitrogen control valve box 11 is externally connected with a gas exhaust pipeline 12, and the second gas return pipeline is connected with the gas exhaust pipeline 12;
the electric box 17 comprises a central control unit, and the central control unit is respectively connected with the display screen box 9, the liquid nitrogen heat exchanger 4, the temperature sensor 3, the oxygen concentration detector 16, the air outlet circulating fan 40, the air return inlet circulating fan 41 and the electromagnetic valve 42 through output and input ports of the central control unit.
Further, as shown in fig. 4, the thermal insulation partition 6 includes a left partition 22 and a right partition 20, two top central sliding rails 5 are disposed in the middle of the top of the refrigeration compartment 44, top corner sliding rails 24 are disposed on the left side and the right side of the top of the refrigeration compartment 44, side plate sliding rails 14 are disposed on the left side wall and the right side wall of the refrigeration compartment 44, head stop devices are disposed at two ends of the top central sliding rails 5, the top corner sliding rails 24, and the side plate sliding rails 14, first top movable support wheels 45 are disposed on the right top of the left partition 22 and the left top of the right partition 20, the two first top movable support wheels are disposed on the two top central sliding rails 5, second top movable support wheels 23 are disposed on the left top of the left partition 22 and the right top of the right partition 20, the two second top movable support wheels 23 are disposed on the two top corner sliding rails 24, the left middle part of the left side clapboard 22 and the right middle part of the right side clapboard 20 are respectively provided with a side plate moving support wheel 26, the two side plate moving support wheels 26 are respectively arranged on two side plate slide rails 14, the bottom of the left side clapboard 22 and the bottom of the right side clapboard 20 are respectively provided with a bottom moving support wheel 27, and the bottom moving support wheels 27 are respectively arranged on the bottom surface of the refrigeration compartment 44;
be provided with long waist hole on the central slide rail 5 in top, the top of liquid nitrogen heat exchanger 4 is connected with jib 21, is fixed with the screw rod on the jib 21, and the screw rod setting is in long waist hole, and the both ends of screw rod are fixed by the nut, and second liquid supply pipe 15 and first gas return pipe all adopt the hose.
Further, the display screen box 9 is disposed outside the cab.
Further, the liquid nitrogen storage tank 10 is a horizontal suspension liquid nitrogen storage tank.
Further, the liquid nitrogen heat exchanger 4 and the temperature sensor 3 are both installed at the top of the first temperature zone 1, and the oxygen concentration detector 16 is installed on the side wall of the first temperature zone 1.
Further, the liquid nitrogen storage tank 10, the liquid nitrogen control valve box 11, the electric box 17 and the power supply 18 are all installed at the bottom of the refrigeration compartment 44.
Furthermore, a silencer is externally connected to the exhaust pipeline 12.
Further, the power supply 18 employs a storage battery.
Specifically, the vehicle body, the liquid nitrogen storage tank 10, the liquid nitrogen control valve box 11, the electric box 17, the display screen box 9, the power supply 18, the heat-insulating partition plate 6, the liquid nitrogen heat exchanger 4, the temperature sensor 3, the oxygen concentration detector 16, the mechanical refrigerator unit 8, the temperature sensor 3, the fan, the electromagnetic valve 42, the slide rail, the support wheel, the rotary door bolt 33, the buckle 32, the fixing bolt 31, the locking bolt 30, the horizontal suspension liquid nitrogen storage tank, the muffler, the storage battery and the like in this embodiment all adopt known schemes in the prior art, and those skilled in the art know the schemes, and no further description is given here. The vehicle body has wheels 29.
The working principle of the embodiment is as follows:
the display screen box 9 is arranged outside the cab for the driver to observe. The second liquid supply line 15 and the first gas return line are both flexible pipes to facilitate the position shift of the liquid nitrogen heat exchanger 4. The first top movable supporting wheel 45, the second top movable supporting wheel 23, the side plate movable supporting wheel 26 and the bottom movable supporting wheel 27 can respectively move along the top central slide rail 5, the top corner slide rail 24, the side plate slide rail 14 and the bottom surface of the refrigeration compartment 44.
The driver firstly determines the space proportion of the first temperature zone 1 and the second temperature zone 2 according to the arrangement of the weights of goods with different storage temperatures in the current distribution, then detaches the locking bolt 30 and the fixing bolt 31, rotates the door bolt 33 to disengage the hasp 32, holds the push rod handle 25 to push the left side heat-insulating partition plate 6 and the right side heat-insulating partition plate 6 to reach the required space separation position in multiple times, inserts the fixing bolt 31 into the corresponding fixing hole, then passes the locking bolt 30 through the waist-shaped hole on the fixing bolt 31 and inserts the screw hole pre-embedded on the heat-insulating partition plate 6 for locking, rotates the door bolt 33 to the limit position of the hasp 32, enables the heat-insulating partition plate 6 to be fixed with the refrigeration compartment 44, and completes the temperature zone distribution step. According to the space of the first temperature zone 1, the position of the liquid nitrogen heat exchanger 4 is adjusted, the nut on the screw rod is loosened, the heat exchanger is pushed to enable the screw rod to move in the long waist hole of the top central sliding rail 5, and the nut on the screw rod of the heat exchanger is locked after the screw rod reaches the position, so that the position of the heat exchanger is fixed.
The driver sets a mechanical refrigerating unit 8 according to the target temperature of the second temperature zone 2, starts the machine to pre-cool and cool the refrigerating compartment 44, then operates the liquid nitrogen refrigerating system in the display screen box 9, sets the target temperature of the first temperature zone 1 to be-70 ℃, the central control unit controls the switch of the electromagnetic valve 42 by detecting the temperature of the first temperature zone 1 through the temperature sensor 3 so as to adjust the flow rate of liquid nitrogen entering the liquid nitrogen heat exchanger 4, the air outlet circulating fan 40 and the air return inlet circulating fan 41 of the heat exchanger forcibly exchange heat the air in the first temperature zone 1 and the liquid nitrogen in the liquid nitrogen heat exchanger 4, and the air in the first temperature zone 1 is gradually cooled to be close to-70 ℃ after the continuous heat exchange. When the temperature in the first temperature zone 1 reaches-70 ℃, the central control unit gives an instruction to close the electromagnetic valve 42, the liquid nitrogen does not enter the liquid nitrogen heat exchanger 4 to cool the air in the first temperature zone 1 any more, and when the temperature sensor 3 monitors that the temperature of the first temperature zone 1 rises and exceeds the upper deviation of the set temperature, the central control unit gives an opening instruction to the electromagnetic valve 42 again to start the action of cooling again. The liquid nitrogen absorbs the heat of the air in the first temperature zone 1 and is gasified into nitrogen, and the nitrogen is discharged to the atmosphere through the exhaust pipeline 12. The oxygen concentration detector 16 is used for detecting the oxygen concentration in the air in the carriage, and if the oxygen concentration is lower than 19.5%, an alarm is given, so that an operator is prompted to be incapable of entering the refrigeration carriage 44, and the door is opened to check whether nitrogen leaks or not. The storage battery provides electric power support for the electric box 17, the liquid nitrogen control valve box 11, the display screen box 9 and the like.
An object of the utility model is to provide a novel can use bacterin refrigerator car technical scheme of mechanical refrigeration unit and liquid nitrogen refrigeration function simultaneously, can be on the basis of current mechanical refrigeration unit bacterin refrigerator car, utilize the carriage space to cut off and the changeable mode of volume forms the second temperature interval to obtain comparing in the lower-70 ℃ of temperature that mechanical refrigeration unit can provide storage temperature through installing the liquid nitrogen refrigeration function additional, perhaps the storage temperature that other mechanical refrigeration unit can not realize.
Compared with the traditional refrigerator car only provided with a mechanical refrigerating unit, the existing vaccine refrigerator car can rapidly and timely adapt to market demands by additionally arranging the functions of the liquid nitrogen refrigerating system, the temperature environment capable of storing vaccine products at-70 ℃ or other temperature demands is provided, and the original functional main body is not changed. Meanwhile, the refrigerator car with a single temperature zone can rapidly have the second temperature zone by utilizing the heat-insulating partition plate 6 to divide the refrigerator car into two temperature zones, the proportion of the temperature spaces of the first temperature zone 1 and the second temperature zone 2 can be adjusted according to the volume of each batch of delivered products, and the efficiency and the flexibility of cold chain transportation are greatly enhanced; meanwhile, the liquid nitrogen refrigeration has a faster cooling speed, and the storage temperature can be quickly recovered after the door is opened and the discharge is carried out each time, so that the requirement of the whole-process temperature control of a cold chain is met; the consumption of an engine driving refrigeration system is reduced by liquid nitrogen refrigeration, the tail gas emission is reduced, and the environmental pollution is reduced; the liquid nitrogen refrigeration has fewer moving parts, so that the working noise of a refrigeration system is reduced, and the risk of system failure is also reduced.
Claims (8)
1. A multifunctional vaccine refrigerator car adopting mechanical refrigeration and liquid nitrogen refrigeration comprises a car body and a refrigeration compartment (44), and is characterized in that: a liquid nitrogen storage tank (10), a liquid nitrogen control valve box (11), an electric box (17), a display screen box (9) and a power supply (18) are arranged on the outer side of the refrigeration compartment (44), the refrigeration compartment (44) is divided into a first temperature area (1) and a second temperature area (2) by a heat-insulating partition plate (6), the first temperature area (1) is provided with a rear opening door, the front side of the second temperature area (2) is provided with a side opening door (7), the first temperature area (1) is internally provided with a liquid nitrogen heat exchanger (4), a temperature sensor (3) and an oxygen concentration detector (16), the outer side of the second temperature area (2) is provided with a mechanical refrigerating unit (8), the mechanical refrigerating unit (8) is communicated with the second temperature area (2), the liquid nitrogen temperature sensor (3) is positioned on the return air side of the liquid nitrogen heat exchanger (4), the liquid nitrogen heat exchanger (4) comprises an air outlet circulating fan (40) and a return air inlet circulating fan (41), and an electromagnetic valve (42) is arranged in a liquid nitrogen control valve box (11);
the liquid nitrogen heat exchanger is characterized in that a liquid nitrogen storage tank (10) is connected with one end of an electromagnetic valve (42) through a first pipeline, the other end of the electromagnetic valve (42) is connected with a liquid inlet of a liquid nitrogen heat exchanger (4) through a first liquid supply pipeline (13) and a second liquid supply pipeline (15), a gas return port of the liquid nitrogen heat exchanger (4) is connected with a liquid nitrogen control valve box (11) through a first gas return pipeline and a second gas return pipeline, the liquid nitrogen control valve box (11) is externally connected with a gas exhaust pipeline (12), and the second gas return pipeline is connected with the gas exhaust pipeline (12);
the electric box (17) comprises a central control unit, and the central control unit is respectively connected with the display screen box (9), the liquid nitrogen heat exchanger (4), the temperature sensor (3), the oxygen concentration detector (16), the air outlet circulating fan (40), the air return inlet circulating fan (41) and the electromagnetic valve (42) through the output and input ports of the central control unit.
2. The multifunctional vaccine refrigerator car adopting mechanical refrigeration and liquid nitrogen refrigeration as claimed in claim 1, characterized in that: the heat-insulation partition board (6) comprises a left partition board (22) and a right partition board (20), two top central sliding rails (5) are arranged in the middle of the inner top of the refrigeration compartment (44), top corner sliding rails (24) are respectively arranged on the left side and the right side of the top of the refrigeration compartment (44), side plate sliding rails (14) are respectively arranged on the left side wall and the right side wall of the refrigeration compartment (44), end enclosure limiting devices are respectively arranged at two ends of the top central sliding rails (5), the top corner sliding rails (24) and the side plate sliding rails (14), first top movable supporting wheels (45) are respectively arranged on the right top of the left partition board (22) and the left top of the right partition board (20), the two first top movable supporting wheels are respectively arranged on the two top central sliding rails (5), second top movable supporting wheels (23) are respectively arranged on the left top of the left partition board (22) and the right top of the right partition board (20), the two second top movable supporting wheels (23) are respectively arranged on the two top corner sliding rails (24), the middle part of the left side clapboard (22) and the middle part of the right side clapboard (20) are respectively provided with a side plate movable supporting wheel (26), the two side plate movable supporting wheels (26) are respectively arranged on the two side plate sliding rails (14), the bottom of the left side clapboard (22) and the bottom of the right side clapboard (20) are respectively provided with a bottom movable supporting wheel (27), and the bottom movable supporting wheels (27) are respectively arranged on the bottom surface of the refrigeration compartment (44);
push rod handles (25) are arranged on the left side partition plate (22) and the right side partition plate (20), a rotary door bolt (33) and a hasp (32) are respectively arranged on the left side partition plate (22) and the right side partition plate (20), the rotary door bolt (33) and the hasp (32) are matched to fix the left side partition plate (22) and the right side partition plate (20) on the same plane, at least two fixing holes are formed in the inner walls of the two sides of the refrigeration compartment (44) in the direction perpendicular to the left side partition plate (22), threaded holes are formed in the corresponding horizontal heights of the fixing holes in the left side partition plate (22) and the right side partition plate (20) in the direction perpendicular to the left side partition plate (22) and the right side partition plate (20), fixing bolts (31) are arranged in the fixing holes, waist-shaped holes are formed in the fixing bolts (31), locking bolts (30) are arranged in the waist-shaped holes, the locking bolts (30) penetrate through the waist-shaped holes and are locked with the screw holes to fix the left side partition plate (22) and the right side partition plate (20) with the refrigeration compartment (44);
be provided with long waist hole on top central authorities slide rail (5), the top of liquid nitrogen heat exchanger (4) is connected with jib (21), is fixed with the screw rod on jib (21), and the screw rod setting is in long waist hole, and the both ends of screw rod are fixed by the nut, and second liquid supply pipeline (15) and first gas return pipeline all adopt the hose.
3. The multifunctional vaccine refrigerator car adopting mechanical refrigeration and liquid nitrogen refrigeration as claimed in claim 1, characterized in that: the display screen box (9) is arranged on the outer side of the cab.
4. The multifunctional vaccine refrigerator car adopting mechanical refrigeration and liquid nitrogen refrigeration as claimed in claim 1, characterized in that: the liquid nitrogen storage tank (10) adopts a horizontal suspension liquid nitrogen storage tank.
5. The multifunctional vaccine refrigerator car adopting mechanical refrigeration and liquid nitrogen refrigeration as claimed in claim 1, characterized in that: the liquid nitrogen heat exchanger (4) and the temperature sensor (3) are both installed at the top of the first temperature zone (1), and the oxygen concentration detector (16) is installed on the side wall of the first temperature zone (1).
6. The multifunctional vaccine refrigerator car adopting mechanical refrigeration and liquid nitrogen refrigeration as claimed in claim 1, characterized in that: the liquid nitrogen storage tank (10), the liquid nitrogen control valve box (11), the electric box (17) and the power supply (18) are all installed at the bottom of the refrigeration compartment (44).
7. The multifunctional vaccine refrigerator car adopting mechanical refrigeration and liquid nitrogen refrigeration as claimed in claim 1, characterized in that: and a silencer is externally connected to the exhaust pipeline (12).
8. The multifunctional vaccine refrigerator car adopting mechanical refrigeration and liquid nitrogen refrigeration as claimed in claim 1, characterized in that: the power supply (18) adopts a storage battery.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120748922.6U CN214523537U (en) | 2021-04-13 | 2021-04-13 | Multifunctional vaccine refrigerator car adopting mechanical refrigeration and liquid nitrogen refrigeration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120748922.6U CN214523537U (en) | 2021-04-13 | 2021-04-13 | Multifunctional vaccine refrigerator car adopting mechanical refrigeration and liquid nitrogen refrigeration |
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| CN214523537U true CN214523537U (en) | 2021-10-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466286A (en) * | 2021-06-30 | 2021-10-01 | 中国科学院西北生态环境资源研究院 | Freeze-thaw test equipment for simulating concrete ultralow-temperature-large-temperature-difference freeze-thaw process |
| CN113734031A (en) * | 2021-11-05 | 2021-12-03 | 杭州银轩机械有限公司 | Pure electric new energy liquid nitrogen refrigerator car |
| CN114216293A (en) * | 2021-11-12 | 2022-03-22 | 中车石家庄车辆有限公司 | Phase-change cold storage type cold supply device and refrigerator wagon box |
-
2021
- 2021-04-13 CN CN202120748922.6U patent/CN214523537U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466286A (en) * | 2021-06-30 | 2021-10-01 | 中国科学院西北生态环境资源研究院 | Freeze-thaw test equipment for simulating concrete ultralow-temperature-large-temperature-difference freeze-thaw process |
| CN113734031A (en) * | 2021-11-05 | 2021-12-03 | 杭州银轩机械有限公司 | Pure electric new energy liquid nitrogen refrigerator car |
| CN114216293A (en) * | 2021-11-12 | 2022-03-22 | 中车石家庄车辆有限公司 | Phase-change cold storage type cold supply device and refrigerator wagon box |
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