CN113154764A - Movable medical refrigerator suitable for high-temperature environment - Google Patents
Movable medical refrigerator suitable for high-temperature environment Download PDFInfo
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- CN113154764A CN113154764A CN202110445260.XA CN202110445260A CN113154764A CN 113154764 A CN113154764 A CN 113154764A CN 202110445260 A CN202110445260 A CN 202110445260A CN 113154764 A CN113154764 A CN 113154764A
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- refrigerant
- refrigerating
- box body
- freezing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
- F25D11/025—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures using primary and secondary refrigeration systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/006—General constructional features for mounting refrigerating machinery components
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/06—Walls
- F25D23/062—Walls defining a cabinet
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/06—Walls
- F25D23/065—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2201/00—Insulation
- F25D2201/10—Insulation with respect to heat
- F25D2201/12—Insulation with respect to heat using an insulating packing material
- F25D2201/122—Insulation with respect to heat using an insulating packing material of loose fill type
Abstract
The invention discloses a movable medical refrigerator suitable for a high-temperature environment, which relates to the technical field of refrigeration equipment and comprises the following components: the refrigerator comprises a box body and a refrigerating device, wherein a chamber for refrigerating and/or freezing objects is arranged in the box body; the refrigerating device is used for refrigerating the chamber, the refrigerating device is fixedly arranged in the box body, and the length of the box body is 700-900 mm, the width of the box body is 500-700 mm, and the height of the box body is 1100-1300 mm; a handle is arranged on the outer wall of the box body; the handle is not arranged on the door of the box body, and the refrigerating device adopts a two-stage cascade cooling system; the refrigerator provided by the invention is convenient to carry, is suitable for field use in emergency rescue, and has a large cooling span.
Description
Technical Field
The invention relates to the technical field of refrigeration equipment, in particular to a movable medical refrigerator suitable for a high-temperature environment.
Background
The refrigerator is a device for refrigerating food or medicines, but most of the existing refrigerators are household or commercial, have large volume, are inconvenient to carry and have small cooling span; in the emergency medical rescue, medical rescue and other tasks in high temperature areas, the environmental temperature can reach a high temperature of more than 50 ℃ (such as Nansu Danwei), and a cold chain is required to guarantee the supply of articles, for example, refrigerated medical materials such as hepatitis B or rabies vaccine, suspended red blood cells and the like need a storage temperature of 2-6 ℃, and frozen medical materials such as frozen vaccine, blood plasma and the like need a storage temperature of below-18 ℃.
Disclosure of Invention
The invention aims to provide a movable medical refrigerator suitable for a high-temperature environment, which solves the problems in the prior art, is convenient to carry, is suitable for field use in emergency rescue and has a large cooling span.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a movable medical refrigerator suitable for a high-temperature environment, which comprises: the refrigerator comprises a box body and a refrigerating device, wherein a chamber for refrigerating and/or freezing objects is arranged in the box body; the refrigerating device is used for refrigerating the chamber, the refrigerating device is fixedly arranged in the box body, and the box body is 700-900 mm long, 500-700 mm wide and 1100-1300 mm high; a handle is arranged on the outer wall of the box body; the handle is not arranged on the box door of the box body, and the refrigerating device adopts a two-stage overlapping cooling system.
Preferably, the refrigerating device comprises a first-stage condenser, a first-stage compressor, a second-stage evaporator, a second-stage compressor and an evaporative condenser, wherein the refrigerant output end of the first-stage condenser is communicated with the high-temperature refrigerant input end of the evaporative condenser, the high-temperature refrigerant output end of the evaporative condenser is communicated with the refrigerant input end of the first-stage compressor, and the refrigerant output end of the first-stage compressor is communicated with the refrigerant input end of the first-stage condenser;
the refrigerant input end of the secondary evaporator is communicated with the low-temperature refrigerant output end of the evaporative condenser, the low-temperature refrigerant input end of the evaporative condenser is communicated with the refrigerant output end of the secondary compressor, and the refrigerant input end of the secondary compressor is communicated with the refrigerant output end of the secondary evaporator.
Preferably, the box body is internally provided with two chambers which are a refrigerating chamber and a freezing chamber respectively, the refrigerating device comprises two secondary evaporators, and the two secondary evaporators are used for refrigerating the refrigerating chamber and the freezing chamber respectively;
the refrigerant input ends of the two secondary evaporators are communicated with the low-temperature refrigerant output end of the evaporative condenser, and the refrigerant output ends of the two secondary evaporators are communicated with the refrigerant input end of the secondary compressor.
Preferably, the low-temperature refrigerant output end of the evaporative condenser is connected with a first pipeline, one end of the first pipeline, which is far away from the evaporative condenser, is connected with a second pipeline and a third pipeline through a three-way pipe, the two secondary evaporators are respectively a freezing evaporator and a refrigerating evaporator, one end of the second pipeline, which is far away from the first pipeline, is connected to the freezing evaporator, and one end of the third pipeline, which is far away from the first pipeline, is connected to the refrigerating evaporator; the first pipeline is provided with a dryer.
Preferably, the two secondary evaporators are respectively a freezing evaporator and a refrigerating evaporator; the refrigerant inlet of the secondary compressor is connected with a fourth pipeline, one end of the fourth pipeline, far away from the secondary compressor, is communicated with a fifth pipeline and a sixth pipeline through a three-way pipe, one end of the fifth pipeline, far away from the fourth pipeline, is connected to the freezing evaporator, one end of the sixth pipeline, far away from the fourth pipeline, is connected to the cold storage evaporator, a first electromagnetic valve is arranged on the fifth pipeline, a refrigerant auxiliary outlet is formed in the pipeline between the first electromagnetic valve and the freezing evaporator, a refrigerant auxiliary inlet is formed in the third pipeline, the refrigerant auxiliary outlet is communicated with the refrigerant auxiliary inlet through a seventh pipeline, and a second electromagnetic valve is arranged on the seventh pipeline.
Preferably, the box body comprises a shell with an inner filling interlayer, the shell is made by adopting a cross-linked polyethylene integral forming technology, and the inner filling interlayer is filled by adopting a polyurethane integral foaming technology to form the heat insulation layer.
Preferably, an equipment cavity is further arranged in the box body, the equipment cavity is located below the chamber, and part of the refrigerating device is installed in the equipment cavity; the equipment cavity is provided with a maintenance opening, and the maintenance opening can be dismantled and is connected with the sheet metal component.
Preferably, it is including three freezing evaporimeter, and all be platelike, three freezing evaporimeter is parallel, and is three from supreme laying in proper order and being fixed in down freezing the evaporimeter is indoor, is located the top freezing evaporimeter support in the upper wall of freezer is located the bottom freezing evaporimeter support in the lower wall of freezer, arbitrary adjacent two form a storing space between the freezing evaporimeter.
Preferably, the refrigerating device further comprises a cross flow fan, a partition board is further arranged in the refrigerating chamber, an accommodating space is formed between the partition board and one side wall of the refrigerating chamber, the refrigerating evaporator is arranged in the accommodating space, the cross flow fan is arranged on the upper portion of the partition board, and a plurality of air return openings distributed along the length direction of the cross flow fan are formed in the lower portion of the partition board; the air inlet end of the crossflow fan faces the refrigeration evaporator.
Preferably, the refrigeration system further comprises a controller, and the controller is electrically connected with each electromagnetic valve and each throttle valve which are used for adjusting the flow rate and the on-off of the refrigerant and arranged on a pipeline in the refrigeration device.
Compared with the prior art, the invention has the following technical effects:
the invention provides a movable medical refrigerator suitable for a high-temperature environment, wherein the length of a refrigerator body of the refrigerator is 700-900 mm, the width of the refrigerator body is 500-700 mm, the height of the refrigerator body is 1100-1300 mm, the size of the refrigerator is small, and a handle is arranged on the outer wall of the refrigerator body so as to be convenient for a worker to carry the refrigerator; in addition, the refrigerating device adopts a two-stage cascade cooling system, and the cooling span is increased through a cascade design, so that the refrigerator provided by the invention is convenient to carry, is suitable for field use in emergency rescue, and has a large cooling span.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic external view of a mobile medical refrigerator suitable for use in high temperature environments according to the present invention;
FIG. 2 is a schematic structural view of the mobile medical refrigerator suitable for high temperature environments after the refrigerator door, the front sheet metal part and the rear sheet metal part are opened;
FIG. 3 is a schematic structural view of a box body without a front sheet metal part;
FIG. 4 is a schematic view in another orientation of FIG. 3;
FIG. 5 is a schematic view of the structure of the refrigerating apparatus according to the present invention;
FIG. 6 is a schematic diagram of a refrigeration unit of the present invention;
in the figure: 1. a box body; 2. a refrigeration device; 3. a front sheet metal part; 4. a rear sheet metal part; 5. a storage basket; 6. a freezer lid; 7. a refrigerator cover; 1-1, an equipment cavity; 1-2, a handle; 1-3, freezing chamber; 1-4, red cross mark; 1-5, butterfly lock catches; 1-6, a refrigerating chamber; 1-7, folder; 1-8 parts of a limiting hinge; 1-9, a stacking groove; 1-10, card slot; 1-11, a nameplate; 1-12, mounting position of the rear sheet metal part; 2-1, a first-stage compressor; 2-2, a secondary compressor; 2-3, an evaporative condenser; 2-4, a first-stage condenser; 2-5, a refrigeration evaporator; 2-6, a partition board; 2-7, refrigerating an evaporator; 2-8, illuminating LED lamps; 2-9, crossflow blower; 2-10 parts of air return opening; 2-11 parts of air outlet; 3-1, a first dryer; 3-2-first throttle valve; 3-3, a second dryer; 3-4, a second throttling valve; 3-5 parts of a second electromagnetic valve, 3-6 parts of a third electromagnetic valve; 3-7, a third throttle valve, 3-8 and a first electromagnetic valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a movable medical refrigerator suitable for a high-temperature environment, which is used for solving the problems in the prior art and can be suitable for the high-temperature environment without increasing the configuration grade of a compressor.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides a mobile medical refrigerator suitable for a high-temperature environment, which comprises the following components in parts by weight as shown in figures 1-6: the refrigerator comprises a box body 1 and a refrigerating device 2, wherein a chamber for refrigerating and/or freezing objects is arranged in the box body 1; the refrigerating device 2 is used for refrigerating the chamber, the refrigerating device 2 is fixedly arranged in the box body 1, the length of the box body 1 is 700-900 mm, the width of the box body is 500-700 mm, and the height of the box body is 1100-1300 mm; the preferred size is 800mm long, 600mm wide, 1200mm high, is provided with the handle 1-2 on the outer wall of the container body 1; the refrigerating device 2 adopts a two-stage cascade cooling system;
the medical refrigerator provided by the invention is small in size, and the outer wall of the refrigerator body 1 is provided with the handle 1-2, so that a worker can conveniently carry the medical refrigerator; in addition, the refrigerating device 2 adopts a two-stage cascade cooling system, and the one-stage cooling system and the two-stage cooling system respectively bear part of cooling load through a cascade design, so that the refrigerator can be operated in a high-temperature environment by using a common compressor, and particularly can be greatly cooled by using a single-stage compressor.
Further, the refrigerating device 2 comprises a first-stage condenser 2-4, a first-stage compressor 2-1, a second-stage evaporator, a second-stage compressor 2-2 and an evaporative condenser 2-3, wherein a refrigerant output end of the first-stage condenser 2-4 is communicated with a high-temperature refrigerant input end of the evaporative condenser 2-3, a high-temperature refrigerant output end of the evaporative condenser 2-3 is communicated with a refrigerant input end of the first-stage compressor 2-1, and a refrigerant output end of the first-stage compressor 2-1 is communicated with a refrigerant input end of the first-stage condenser 2-4; the refrigerant input end of the secondary evaporator is communicated with the low-temperature refrigerant output end of the evaporative condenser 2-3, the low-temperature refrigerant input end of the evaporative condenser 2-3 is communicated with the refrigerant output end of the secondary compressor 2-2, the refrigerant input end of the secondary compressor 2-2 is communicated with the refrigerant output end of the secondary evaporator, and the cascade operation of the primary cooling system and the secondary cooling system is realized through the evaporative condenser 2-3; in a high-temperature environment (54 ℃), after a power supply of equipment is turned on, a controller of the refrigerating device 2 starts to operate the primary compressor 2-1 according to the current environment temperature, the primary compressor 2-1 works to reduce the temperature of the evaporative condenser 2-3, and when the temperature of the evaporative condenser 2-3 is reduced to about 15 ℃, the secondary compressor 2-2 is started to refrigerate a chamber for storing articles.
The first-stage condenser 2-4 adopts a fan for heat dissipation; a dryer and a throttle valve are sequentially arranged on a pipeline between the evaporative condenser 2-3 and the primary condenser 2-4, wherein the dryer is a first dryer 3-1; the throttle valve is a first throttle valve 3-2, and the working process of the primary cooling system is as follows:
the refrigerant is driven into a first-stage condenser 2-4 by a first-stage compressor 2-1 to do work, heat is released in the condenser due to high-pressure liquefaction, the heat is discharged by a fan, the liquefied refrigerant is gasified at low pressure in an evaporative condenser 2-3 after absorbing moisture by a drier, the heat is absorbed, and the temperature of the evaporative condenser 2-3 is reduced; under the severe working conditions caused by high temperature in the high-temperature environment of more than 50 ℃, the primary cooling system needs to adopt a high-temperature environment compressor on one hand and needs to adopt a high-temperature low-pressure refrigerant to ensure the normal operation of the primary cooling system on the other hand.
The working process of the secondary cooling system is as follows:
the refrigerant is driven into the evaporative condenser 2-3 by the secondary compressor 2-2 to do work, is liquefied at high pressure in the evaporative condenser 2-3, releases heat, and is mixed with cold energy generated by the primary cooling system, and after the liquefied refrigerant absorbs moisture through the drier, the refrigerant is gasified at low pressure in the two secondary evaporators to absorb heat, so that the temperature of a chamber for containing articles is reduced;
further, if the cooling system works in a high-temperature environment of more than 50 ℃, due to the severe working conditions caused by high temperature, the primary cooling system needs to adopt a high-temperature environment compressor on one hand, and needs to adopt a high-temperature low-pressure refrigerant to ensure the normal operation of the primary cooling system on the other hand.
Further, two chambers, namely a refrigerating chamber 1-6 and a freezing chamber 1-3, are arranged in the box body 1, and a refrigerating chamber cover 6 and a refrigerating chamber cover 7 are respectively arranged on the refrigerating chamber 1-6 and the freezing chamber 1-3; the refrigerating box cover 6 and the refrigerating box cover 7 are rotatably connected to a frame of the box body through a plurality of limiting hinges 1-8, the refrigerating device 2 comprises two secondary evaporators, and the two secondary evaporators are respectively used for refrigerating the refrigerating chamber 1-6 and the refrigerating chamber 1-3; the refrigerant input ends of the two secondary evaporators are communicated with the low-temperature refrigerant output end of the evaporative condenser 2-3, the refrigerant output ends of the two secondary evaporators are communicated with the refrigerant input end of the secondary compressor 2-2, the storage conditions of various articles (such as medicines) are different, and the two cavities are respectively used for refrigerating and freezing the articles.
Furthermore, the low-temperature refrigerant output end of the evaporative condenser 2-3 is connected with a first pipeline, one end of the first pipeline, far away from the evaporative condenser 2-3, is connected with a second pipeline and a third pipeline through a three-way pipe, the two secondary evaporators are a freezing evaporator 2-5 and a refrigerating evaporator 2-7 respectively, one end of the second pipeline, far away from the first pipeline, is connected to the freezing evaporator 2-5, a second throttling valve 3-4 is arranged on the second pipeline, and one end of the third pipeline, far away from the first pipeline, is connected to the refrigerating evaporator 2-7; the third pipeline is provided with a third throttle valve 3-7, the first pipeline is provided with a dryer which is the second dryer 3-3, and the purpose that the refrigerants entering the freezing evaporator 2-5 and the refrigerating evaporator 2-7 can be dried by only using one dryer is achieved.
Further, the two secondary evaporators are respectively a freezing evaporator 2-5 and a refrigerating evaporator 2-7; a fourth pipeline is connected at a refrigerant inlet of the secondary compressor, one end of the fourth pipeline, which is far away from the secondary compressor, is communicated with a fifth pipeline and a sixth pipeline through a three-way pipe, one end of the fifth pipeline, which is far away from the fourth pipeline, is connected to the freezing evaporator 2-5, one end of the sixth pipeline, which is far away from the fourth pipeline, is connected to the refrigerating evaporator 2-7, a third electromagnetic valve 3-6 is arranged on the sixth pipeline, a first electromagnetic valve 3-8 is arranged on the fifth pipeline, a refrigerant auxiliary outlet is arranged on the pipeline between the first electromagnetic valve 3-8 and the freezing evaporator 2-5, a refrigerant auxiliary inlet is arranged on the third pipeline, the refrigerant auxiliary outlet and the refrigerant auxiliary inlet are communicated through a seventh pipeline, a second electromagnetic valve 3-5 is arranged on the seventh pipeline, the seventh pipeline forms an auxiliary path, and the temperature of the refrigerant used as a freezing cycle is still lower after the refrigerant is used, therefore, the auxiliary path is arranged to participate in the refrigeration cycle, so that the refrigeration capacity in the refrigerant can be fully utilized, and waste is avoided.
Furthermore, the box body 1 comprises a shell with an inner filling interlayer, and the shell is made by adopting a cross-linked polyethylene integral forming technology and has high strength; the inner filling interlayer is filled by adopting a polyurethane integral foaming technology to form a heat insulation layer, and the heat insulation performance is good.
Further, an equipment cavity 1-1 is also arranged in the box body 1, the equipment cavity 1-1 is positioned below the cavity, and part of the refrigerating device 2 is arranged in the equipment cavity 1-1; the equipment cavity 1-1 is provided with a maintenance port, the maintenance port is detachably connected with a sheet metal part, a front maintenance port and a rear maintenance port are arranged and respectively detachably connected with a front sheet metal part 3 and a rear sheet metal part 4, and the mounting positions 1-12 of the rear sheet metal parts are shown in the figure.
Further, the refrigerating system comprises three freezing evaporators 2-5 which are all in a plate shape, the three freezing evaporators 2-5 are parallel, the three freezing evaporators 2-5 are sequentially arranged from bottom to top and are fixed in the freezing chambers 1-3, the freezing evaporator 2-5 positioned at the uppermost edge is abutted against the upper wall of the freezing chamber 1-3, the freezing evaporator 2-5 positioned at the lowermost edge is abutted against the lower wall of the freezing chamber 1-3, a storage space is formed between any two adjacent freezing evaporators 2-5, and the arrangement can greatly improve the refrigerating speed; the storage space is used for storing articles to be stored in a freezing way.
Further, the refrigerating device also comprises a cross flow fan, the cross flow fan is provided with an air outlet 2-11, a partition plate 2-6 is further arranged in the refrigerating chamber, the partition plate 2-6 is preferably made of stainless steel plates, an accommodating space is formed between the partition plate 2-6 and one side wall of the refrigerating chamber, the refrigerating evaporator is arranged in the accommodating space, the cross flow fan is arranged at the upper part of the partition plate 2-6, and a plurality of air return ports distributed along the length direction of the cross flow fan are formed in the lower part of the partition plate 2-6; the air inlet end of the cross flow fan faces the refrigeration evaporator; the cold storage chamber 1-6 is internally provided with a storage basket 5, cold storage articles are placed in the storage basket 5, the storage basket 5 is arranged in a hollow manner, and the cross flow fan and the air return opening 2-10 are arranged, so that cold air convection circulation can be formed in the cold storage chamber 1-6, and the uniformity and consistency of cold storage temperature can be improved conveniently.
The controller is electrically connected with all electromagnetic valves and all throttle valves which are used for adjusting the flow and the on-off of the refrigerant on a pipeline in the refrigerating device 2, and is used for controlling the temperatures in the freezing chamber 1-3 and the refrigerating chamber 1-6, starting the corresponding refrigerating system to cool the refrigerating system when the temperature does not meet the requirement, and closing the corresponding refrigerating system when the temperature reaches the set temperature.
Furthermore, the temperature of the refrigerating chamber 1-6 is controlled within the range of 2-6 ℃, and the temperature of the freezing chamber 1-3 is controlled below-20 ℃.
Furthermore, the box door of the box body 1 is locked on the frame of the box body 1 through butterfly lock catches 1-5, a data folder 1-7 and a card slot 1-10 are arranged on the box body 1, the data folder 1-7 is used for storing the use and maintenance instruction of the refrigerator so as to be convenient for a user to carry out self maintenance on the refrigerator, the card slot 1-10 is used for installing cards which are used for indicating the information of articles, quantity and the like in the cavity, and medical red cross marks 1-4, stacking slots 1-9, nameplates 1-11 and the like are reasonably distributed at the corresponding positions of the box body 1.
Furthermore, lighting LED lamps 2-8 are arranged in the cavity.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. The utility model provides a portable medical refrigerator suitable for high temperature environment which characterized in that: the method comprises the following steps: the refrigerator comprises a box body and a refrigerating device, wherein a chamber for refrigerating and/or freezing objects is arranged in the box body; the refrigerating device is used for refrigerating the chamber, the refrigerating device is fixedly arranged in the box body, and the box body is 700-900 mm long, 500-700 mm wide and 1100-1300 mm high; a handle is arranged on the outer wall of the box body; the handle is not arranged on the box door of the box body, and the refrigerating device adopts a two-stage overlapping cooling system.
2. The mobile medical refrigerator applicable to a high temperature environment according to claim 1, wherein: the refrigerating device comprises a first-stage condenser, a first-stage compressor, a second-stage evaporator, a second-stage compressor and an evaporative condenser, wherein the refrigerant output end of the first-stage condenser is communicated with the high-temperature refrigerant input end of the evaporative condenser, the high-temperature refrigerant output end of the evaporative condenser is communicated with the refrigerant input end of the first-stage compressor, and the refrigerant output end of the first-stage compressor is communicated with the refrigerant input end of the first-stage condenser;
the refrigerant input end of the secondary evaporator is communicated with the low-temperature refrigerant output end of the evaporative condenser, the low-temperature refrigerant input end of the evaporative condenser is communicated with the refrigerant output end of the secondary compressor, and the refrigerant input end of the secondary compressor is communicated with the refrigerant output end of the secondary evaporator.
3. The mobile medical refrigerator applicable to a high temperature environment according to claim 2, wherein: the refrigerating device comprises two secondary evaporators, and the two secondary evaporators are respectively used for refrigerating the refrigerating chamber and the freezing chamber;
the refrigerant input ends of the two secondary evaporators are communicated with the low-temperature refrigerant output end of the evaporative condenser, and the refrigerant output ends of the two secondary evaporators are communicated with the refrigerant input end of the secondary compressor.
4. The mobile medical refrigerator applicable to a high temperature environment according to claim 3, wherein: the low-temperature refrigerant output end of the evaporative condenser is connected with a first pipeline, one end of the first pipeline, far away from the evaporative condenser, is connected with a second pipeline and a third pipeline through a three-way pipe, the two secondary evaporators are respectively a freezing evaporator and a refrigerating evaporator, one end of the second pipeline, far away from the first pipeline, is connected to the freezing evaporator, and one end of the third pipeline, far away from the first pipeline, is connected to the refrigerating evaporator; the first pipeline is provided with a dryer.
5. The mobile medical refrigerator applicable to a high temperature environment according to claim 4, wherein: the refrigerant inlet of the secondary compressor is connected with a fourth pipeline, one end of the fourth pipeline, far away from the secondary compressor, is communicated with a fifth pipeline and a sixth pipeline through a three-way pipe, one end of the fifth pipeline, far away from the fourth pipeline, is connected to the freezing evaporator, one end of the sixth pipeline, far away from the fourth pipeline, is connected to the cold storage evaporator, a first electromagnetic valve is arranged on the fifth pipeline, a refrigerant auxiliary outlet is formed in the pipeline between the first electromagnetic valve and the freezing evaporator, a refrigerant auxiliary inlet is formed in the third pipeline, the refrigerant auxiliary outlet is communicated with the refrigerant auxiliary inlet through a seventh pipeline, and a second electromagnetic valve is arranged on the seventh pipeline.
6. The mobile medical refrigerator applicable to a high temperature environment according to claim 1, wherein: the box body comprises a shell with an inner filling interlayer, the shell is made by adopting a cross-linked polyethylene integral forming technology, and the inner filling interlayer is filled by adopting a polyurethane integral foaming technology to form a heat insulation layer.
7. The mobile medical refrigerator applicable to a high temperature environment according to claim 1, wherein: an equipment cavity is further formed in the box body, the equipment cavity is located below the cavity, and part of the refrigerating device is installed in the equipment cavity; the equipment cavity is provided with a maintenance opening, and the maintenance opening can be dismantled and is connected with the sheet metal component.
8. The mobile medical refrigerator applicable to a high temperature environment according to claim 5, wherein: including three freezing evaporimeter, and all be platelike, three freezing evaporimeter is parallel, three from supreme laying in proper order and being fixed in down freezing evaporimeter is located the top in the freezing chamber freezing evaporimeter supports in the upper wall of freezer is located the bottom freezing evaporimeter support in the lower wall of freezer, arbitrary adjacent two form a storing space between the freezing evaporimeter.
9. The mobile medical refrigerator applicable to a high temperature environment according to claim 5, wherein: the refrigerating device also comprises a cross flow fan, a partition board is further arranged in the refrigerating chamber, an accommodating space is formed between the partition board and one side wall of the refrigerating chamber, the refrigerating evaporator is arranged in the accommodating space, the cross flow fan is arranged on the upper portion of the partition board, and a plurality of air return openings distributed along the length direction of the cross flow fan are formed in the lower portion of the partition board; the air inlet end of the crossflow fan faces the refrigeration evaporator.
10. The mobile medical refrigerator applicable to a high temperature environment according to claim 1, wherein: the refrigeration system also comprises a controller, wherein the controller is electrically connected with all the electromagnetic valves and all the throttle valves which are used for adjusting the flow rate and the on-off of the refrigerant on the pipeline in the refrigeration device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110445260.XA CN113154764A (en) | 2021-04-25 | 2021-04-25 | Movable medical refrigerator suitable for high-temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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