CN207945858U - refrigerating system - Google Patents

Abstract

The utility model provides a kind of refrigerating system, including heat preservation subsystem, refrigeration subsystem and cold-storage subsystem；The heat preservation subsystem includes heat preservation carriage body and leakage-proof hot compartment door, and heat preservation carriage body forms storage space with after the door assembly of leakage-proof hot compartment in inside；Keep the temperature carriage body include carriage body outer wall, carriage body inner wall and insulating layer, the insulating layer be mounted on it is following any one or appoint multiple positions on：Carriage body outer exterior wall；Carriage body inner wall；Between carriage body outer wall and carriage body inner wall；The cold-storage subsystem is mounted in storage space；Refrigeration subsystem is connected with cold-storage subsystem, and refrigeration subsystem includes refrigeration unit, and the refrigeration unit is mounted in whole or in part outside heat preservation carriage body.The utility model is by designing the fractionation for forming subsystem so that can realize efficient operation in manufacture, assembly and maintenance process, reduce manufacturing cost and use cost, and high cooling efficiency, heat insulation effect is good.

Description

Refrigerating system

Technical field

The utility model is related to refrigerating equipment field, conveying equipment fields, and in particular, to a kind of refrigerating system.

Background technology

In the prior art, the directly air-cooled refrigeration modes of refrigerator car generally use, cooling-storage structure and the direct phase of refrigeration structure Even, refrigerating medium but also can reach in refrigeration unit, the circulation path path length, medium not only by the pipeline in compartment in cyclic process It recycles driving force and requires height；When pipeline leaks, leak detection and repair are also more complicated.In addition, in terms of cooling-storage structure, In the presence of being easy to scrape the low defect of damage, heat exchange efficiency.

Patent document CN106696810A discloses a kind of refrigerator car, including refrigerator car car body, the refrigerator car car body Left end has horizontal positioned goods bracket, and hollow refrigerator car babinet is installed at the top of the goods bracket；It is described Refrigerator car car body) on setting there are one refrigeration system, the refrigeration system is connected with the refrigerator car babinet, and the refrigeration is It unites for being conveyed to the refrigerator car babinet after carrying out cooling processing to external air.Having the patent document readme can be automatic Ground carries out defrosting operation to cooling air-cooler, ensures the refrigeration effect of air-cooler, extends the service life of air-cooler, simultaneously The additional economic expenditure that user is brought due to unnecessary electric energy loss is reduced, being widely popularized for refrigerator car is may advantageously facilitate and answers With being of great practical significance.But the refrigerator car that the patent document provides either still is being protected in refrigerating efficiency There is prodigious deficiency on temp effect.

Utility model content

For the defects in the prior art, the purpose of this utility model is to provide a kind of refrigerating system.

According to refrigerating system provided by the utility model, including heat preservation subsystem, refrigeration subsystem and cold-storage subsystem；

The heat preservation subsystem includes heat preservation carriage body and leakage-proof hot compartment door, including keeping the temperature after carriage body is assembled with leakage-proof hot compartment door Portion forms storage space；It includes carriage body outer wall, carriage body inner wall and insulating layer to keep the temperature carriage body, and the insulating layer is mounted on following One or appoint multiple positions on：

-- carriage body outer exterior wall；

-- carriage body inner wall；

-- between carriage body outer wall and carriage body inner wall；

The cold-storage subsystem is mounted in storage space；Refrigeration subsystem is connected with cold-storage subsystem, refrigeration subsystem Including refrigeration unit, the refrigeration unit is mounted in whole or in part outside heat preservation carriage body.

Preferably, the refrigeration subsystem includes refrigeration unit and the first evaporation tube, refrigeration unit and the first evaporation tube phase Even constitute closed circuit；

The cold-storage subsystem includes evaporator, hold-over plate and refrigerant delivery pipe；Hold-over plate includes that plate body and second are steamed Hair pipe；Closed circuit is connected and composed between the evaporator, refrigerant delivery pipe and the second evaporation tube；

Vaporization chamber is provided in evaporator, evaporation chamber forms heat transfer space, and first evaporation tube is along its length It extends up in the heat transfer space.

Preferably, functional extension is set on the plate body, include in multiple function extensions mounting portion and/ Or radiating part；

Multiple function extension fastening installations are integrally formed on the outer end face of plate body.

Preferably, be provided with fixing device on the carriage body inner wall, the fixing device include built-in fitting, fixing bolt with And fixing nut；

Carriage body outer wall, insulating layer, built-in fitting, carriage body inner wall are sequentially arranged；Fixing bolt wherein one end in both ends in an axial direction It is fastenedly connected on built-in fitting, the other end in axial direction extends through carriage body inner wall and reaches carriage body inner wall；The fixation Nut coordinates with fixing bolt is mounted on hold-over plate on carriage body inner wall.

Preferably, the radiating part includes heat bulge, and multiple heat bulges are arranged in the following manner：

-- it is located at plate body along the end face at width extending direction both ends；

-- it is sequentially arranged along plate body length extending direction；

Mounting hole is provided in the heat bulge, the mounting hole corresponding position forms mounting portion.

Preferably, second evaporation tube by following any mode or appoints various ways to be mounted on plate body：

-- the second evaporation tube nesting is mounted on inside plate body；

-- the second evaporation tube installation by adhering is in the fluting of plate body outer end face；

-- the winding of the second evaporation tube is mounted on outside plate body.

Preferably, also include wind guide tank, the wind guide tank by it is following any one or appoint a multiple structures formed：

-- the fluting being arranged on carriage body inner wall；

-- it is fastenedly connected on carriage body inner wall or integrally formed proximate matter；

-- the function extension on plate body.

Preferably, it is provided with circulating pump in the refrigerant delivery pipe；Including multiple hold-over plates are in parallel and/or are connected in series with；

Second evaporation tube forms U-shaped or S-shaped on length extending direction；The plate body includes phase-change material layers；

Power sub-system is additionally provided on the heat preservation carriage body, refrigeration subsystem is sub with the power with cold-storage subsystem System is connected；The power sub-system includes following any or various structures：

-- solar energy power accumulating structure；

-- power grid power taking structure；

-- generating set.

Preferably, the leakage-proof hot compartment door includes one or multi-channel heat holding curtain；The heat holding curtain includes in a thickness direction Any below or various structures：

-- layer of PVC；

-- Oxford layer of cloth；

-- cotton layer；

-- layer of polyester fiber.

Preferably, also include temperature sensor and controller；

Temperature sensor setting it is following any one or appoint on multiple positions：

-- carriage body inner wall；

-- leakage-proof hot compartment door；

-- hold-over plate；

-- refrigeration unit.

Compared with prior art, the utility model has following advantageous effect：

1, the utility model is by designing the fractionation for forming subsystem so that in manufacture, assembly and maintenance process It can realize efficient operation, reduce manufacturing cost and use cost, and high cooling efficiency, heat insulation effect is good.

2, the arrangement of plate body and the second evaporation tube can be selected as needed in hold-over plate in the utility model, The heat bulge being provided on plate body simultaneously can not only improve heat exchange efficiency, moreover it is possible to realize between hold-over plate or hold-over plate is being protected Assembly on warm carriage body.

3, the utility model can effectively reduce the complicated journey of direct air-cooling units using indirectly direct-cooled frame mode Degree reduces manufacture assembly difficulty, energy saving, facilitates Measuring error.

4, multiple hold-over plate series connection and/or parallel connection in the utility model, on the one hand can expand heat exchange in heat preservation carriage body On the other hand area can also realize modularization management, convenient to overhaul and dismounting and change.

5, along the direction of refrigerating medium motion, can by the pipe diameter determing of the second evaporation tube at gradual increased structure, Increased with adapting to refrigerating medium volume caused by by thermal evaporation or expansion.

Description of the drawings

Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model Sign, objects and advantages will become more apparent upon：

Fig. 1 is refrigeration subsystem provided by the utility model and cold-storage subsystem structure schematic diagram；

Fig. 2 is hold-over plate front view provided by the utility model；

Fig. 3 is the first structural schematic diagram of hold-over plate；

Fig. 4 is second of structural schematic diagram of hold-over plate；

Fig. 5 is the third structural schematic diagram of hold-over plate；

Fig. 6 is multiple hold-over plate cascaded structure schematic diagrames；

Fig. 7 is multiple hold-over plate parallel-connection structure schematic diagrames；

Fig. 8 is refrigerating unit structure block diagram；

Fig. 9 is refrigerating system overall structure diagram provided by the utility model；

Figure 10 is heat preservation carriage body cross-sectional view；

Figure 11 device structural schematic diagrams in order to control.

It is shown in figure：

Specific implementation mode

The utility model is described in detail with reference to specific embodiment.Following embodiment will be helpful to this field Technical staff further understands the utility model, but does not limit the utility model in any form.It should be pointed out that ability For the those of ordinary skill in domain, without departing from the concept of the premise utility, various modifications and improvements can be made. These belong to the scope of protection of the utility model.

In the description of the present invention, it should be understood that term "upper", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on ... shown in the drawings or Position relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated device or member Part must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.

Refrigerating system provided by the utility model includes heat preservation subsystem 3, refrigeration subsystem 1 and cold-storage subsystem 2.Institute It includes heat preservation carriage body 300 and leakage-proof hot compartment door to state and keep the temperature subsystem 3, is kept the temperature after carriage body 300 is assembled with leakage-proof hot compartment door in inside Form storage space；It includes carriage body outer wall 301, carriage body inner wall 302 and insulating layer 303, the insulating layer to keep the temperature carriage body 300 303 be mounted on it is following any one or appoint multiple positions on：301 outside of carriage body outer wall；302 inside of carriage body inner wall；Carriage body outer wall 301 Between carriage body inner wall 302.The cold-storage subsystem 2 is mounted in storage space；Refrigeration subsystem 1 and 2 phase of cold-storage subsystem Even, refrigeration subsystem 1 includes refrigeration unit 110, and the refrigeration unit 110 is mounted in whole or in part outside heat preservation carriage body 300. As shown in figure 9, in embodiment, the refrigeration unit 110 is mounted on the front end of heat preservation carriage body 300.The leakage-proof hot compartment includes One or multi-channel heat holding curtain, it is preferable that the heat holding curtain includes following any or various structures in a thickness direction：PVC Layer；Oxford layer of cloth；Cotton layer；Layer of polyester fiber.

As shown in Figure 1, the refrigeration subsystem 1 include refrigeration unit 110 and the first evaporation tube 101, refrigeration unit 110 and First evaporation tube 101, which is connected, constitutes closed circuit.The cold-storage subsystem 2 includes evaporator 210, hold-over plate 200 and refrigerant Delivery pipe 220, hold-over plate 200 include plate body 201 and the second evaporation tube 202, the evaporator 210, refrigerant delivery pipe 220 and Closed circuit is connected and composed between second evaporation tube 202.Vaporization chamber is provided in evaporator 210, evaporation chamber forms heat exchange Space, first evaporation tube 101 are extended up to along its length in the heat transfer space.As shown in figure 8, the refrigeration unit 110 include compressor 111, condenser 112, expansion valve 113 and circulating fan 114, first evaporation tube 101, compressor 111, condenser 112, expansion valve 113 are sequentially connected end to end, and the circulating fan 114 is oppositely arranged with condenser 112.Refrigeration Refrigerant in system 1 enters the first evaporation tube 101 after being flowed out in refrigeration unit 110, and sub with cold-storage in evaporator 210 Refrigerant in system 2 exchanges heat.Refrigerant in cold-storage subsystem 2 can then flow in hold-over plate 200 to heat preservation carriage body 300 into Row is cooling, heats or keeps the temperature.

Circulating pump 230 is provided in the refrigerant delivery pipe 220, circulating pump 230 provides refrigerant in the second evaporation tube 202 The power of flowing.It is additionally provided with 200 parallel connection of multiple hold-over plates and/or is connected in series with, during maintenance or replacement, cold-storage Plate 200 can carry out integral demounting replacement with modular structure type, and operation is more convenient.Second evaporation tube 202 exists U-shaped or S-shaped (i.e. snakelike extension) are formed on length extending direction, to increase heat exchange area.The plate body 201 includes phase-change material Layer；In practical applications, the common selection of cryogenic temperature is as follows：- 18 DEG C (conventional freezing temperature), 2~8 DEG C of (medical cold chain transportations Ordinary temperature), 15~25 DEG C (incubation at room temperature temperature), 45~60 DEG C (heat storing and heat preserving temperature, such as take out dispatching), in adaptation The application range stated, the transformation temperature of the phase-change material that the phase-change material layers use can -25 DEG C of corresponding selection ,+5 DEG C ,+20 DEG C, 55 DEG C etc..

Second evaporation tube 202 is by following any mode or various ways is appointed to be mounted on plate body 201：Second steams It is nested inside plate body 201 to send out pipe 202；Second evaporation tube, 202 installation by adhering is in the fluting of 201 outer end face of plate body； The winding of second evaporation tube 202 is mounted on outside plate body 201.For the nested knot being mounted on inside plate body 201 of the second evaporation tube 202 Structure, and following situation can be divided into：

Cavity is provided in the plate body 201, the cavity inside forms article containing space, the entirety of the second evaporation tube 202 Or be partially installed in article containing space, for example, as shown in figure 3, second evaporation tube 202 is a continuous pipe, it is described Pipe is integrally embedded in article containing space or tube head is assigned to up to except article containing space, convenient for defeated with other structures such as refrigerant Pipe 220 is sent to be docked；

In the plate body 201 heat exchanger channels are securedly mounted to integrally formed with heat exchanger channels, second evaporation tube 202 Port position prevents secondary refrigerant leakage for example, the wall surface of the heat exchanger channels is made of sealing material, at the port of heat exchanger channels It is provided with internal thread, the second evaporation tube 202 is connect with heat exchanger channels by external screw thread and inner space is made to be interconnected；

The heat exchanger channels itself constitute the second evaporation tube 202, for example, on plate body 201 integrally formed with connection boss, For heat exchanger channels through the end face of connection boss, connection boss is for the docking that is connected with refrigerant delivery pipe 220, or is used for adjacent two Connection between a hold-over plate 200.

Second evaporation tube 202 includes the first pipeline section 203 and the second pipeline section 204 connected directly or indirectly, the The caliber of one pipeline section 203 and the caliber of the second pipeline section 204 are equal or different, in practical application, the first pipeline section 203, the second pipeline section 204 can be respectively as refrigerant feed pipe, discharge nozzle.For the above-mentioned series connection of multiple hold-over plates 200 and/or it is connected in parallel knot Structure, Fig. 6 are connected in series between showing multiple hold-over plates 200, the first pipeline section 203 of a hold-over plate 200 with it is adjacent another Second pipeline section 204 of a hold-over plate 200 is connected；Fig. 7 is connected in parallel between showing multiple hold-over plates 200, two neighboring cold-storage Plate 200 can carry out Matching installation by respective mounting hole 206.

Include peace in multiple function extensions as shown in Fig. 2, functional extension is arranged on the plate body 201 Dress portion and/or radiating part.Multiple function extension fastening installations are integrally formed on the outer end face of plate body 201.It is described Radiating part includes heat bulge 205, and multiple heat bulges 205 are arranged by following rule：Positioned at plate body 201 along width On the end face at extending direction both ends；It is sequentially arranged along 201 length extending direction of plate body.Peace is provided in the heat bulge 205 Hole 206 is filled, 206 corresponding position of the mounting hole forms mounting portion.By above structure, 205 one side of heat bulge forms Radiating fin, increases heat exchange area, and another convenience additionally provides the mounting hole 206 for 200 integral installation of hold-over plate.It is excellent Selection of land can also be and be separated from each other that radiating part is made of individual radiating fin between the mounting portion and radiating part.

As shown in figure 4, being additionally provided with embedding portion 207 in the cavity, the full article containing space of the filling of embedding portion 207 removes The remaining space that second evaporation tube 202 is taken up space, the embedding layer constitute Heat Conduction Material filled layer or phase-change material layers.The Two evaporation tubes 202, embedding layer, plate body 201 are sequentially connected, and this structure is conducive to the second evaporation tube 202 being conveniently mounted to In plate body 201, while increasing the fixation degree between plate body 201 and the second evaporation tube 202.First pipeline section 203 and second Pipeline section 204 is sequentially connected along the direction that 202 length of the second evaporation tube extends；The outlet end of first pipeline section 203 and the second pipe The input end of section 204 is connected, and the outlet end of the input end of the first pipeline section 203 and the second pipeline section 204 is located at plate body 201 and prolongs along length Stretch the same end on direction or different ends.Preferably, the caliber of first pipeline section 203 is less than the caliber of the second pipeline section 204, leads to The structure for crossing reducing may make refrigerant still steady flow after expanded by heating or evaporation cause volume to increase, prevent the second steaming Local pressure increases and cycle is caused to drive hypodynamic defect in hair pipe 202.

Preferably, as shown in figure 5, first pipeline section 203 is nested in the second pipeline section 204, the first pipeline section 203 Inner space constitutes feeding-passage 208；It is logical that space between 204 inner wall of first pipeline section, 203 outer wall and the second pipeline section constitutes discharging Road 209.Second evaporation tube 202 forms bayonet tube structure, can effectively reduce the temperature of the second evaporation tube 202 in radial directions Gradient reduces by the second evaporation tube 202 because surface temperature distribution unevenness leads to damage or service life reduction.

As shown in Figure 10, be provided with fixing device on the carriage body inner wall 302, the fixing device include built-in fitting 311, Fixing bolt 312 and fixing nut 313.Carriage body outer wall 301, insulating layer 303, built-in fitting 311, carriage body inner wall 302 cloth successively It sets, wherein one end is fastenedly connected on built-in fitting 311 fixing bolt 312 in both ends in an axial direction, and the other end in axial direction extends 302 inside of carriage body inner wall is reached through carriage body inner wall 302；The fixing nut 313 coordinates with fixing bolt 312 by hold-over plate 200 are mounted on carriage body inner wall 302.Preferably, 311 length of built-in fitting is more than heat preservation 300 internal diameter width of carriage body, is less than heat preservation compartment 300 length dimension of body.Preferably, power sub-system, refrigeration subsystem 1 and cold-storage are additionally provided on the heat preservation carriage body 300 System 2 is connected with the power sub-system, and the power sub-system includes following any or various structures：Solar energy stores Electric structure；Power grid power taking structure；Generating set.Preferably, also include wind guide tank in structure provided by the utility model, it is described to lead Wind groove by it is following any one or appoint a multiple structures formed：The fluting being arranged on carriage body inner wall 302；Carriage body inner wall 302, which tightens, to be connected It connects or integrally formed proximate matter；Function extension on plate body 201.

Refrigerating system provided by the utility model also includes temperature sensor and controller.Wherein, the temperature sensor Setting it is following any one or appoint multiple positions on：Carriage body inner wall 302；Leakage-proof hot compartment door；Hold-over plate 200；Refrigeration unit 110. Be further improved on the basis of structure provided by the utility model, as shown in figure 11, the controller include it is following any one Or multiple modules：Refrigeration control module：The temperature data of temperature sensor acquisition is obtained, refrigeration unit is generated and controls signal；It is real When display module：The temperature data of displays temperature sensor acquisition；Data uploading module：The temperature number that temperature sensor is acquired According to being transmitted in cloud platform；Alarm module：The temperature data of temperature sensor acquisition is obtained, alarm signal is generated.

During use, for refrigeration control module, may make when all temperature sensor measured temperatures be below it is default When offline temperature (such as 3 DEG C), control refrigeration unit 110 is stopped；When temperature sensor measured temperature is higher than default temperature of reaching the standard grade When spending (such as 7 DEG C), control refrigeration unit 110 is started to work.For real-time display module, the data that temperature sensor can be acquired Real-time display is on driving indoor display panel.For data uploading module：The data transmission that temperature sensor acquires is arrived In cloud platform, transmission frequency can freely be set, general to set 5min/ items.For alarm module, when warm on any one temperature measuring point The temperature of sensor detection is spent above or below setting value (as higher than 8 DEG C or less than 2 DEG C), is driven indoor alarm lamp and is lighted simultaneously Send out alarm sound, cloud platform backstage number is displayed in red and sends a message in the equipment of binding.

Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office It is limited to above-mentioned particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, This has no effect on the substantive content of the utility model.In the absence of conflict, the spy in embodiments herein and embodiment Sign can be arbitrarily combined with each other.

Claims (10)

1. a kind of refrigerating system, which is characterized in that include heat preservation subsystem (3), refrigeration subsystem (1) and cold-storage subsystem (2)；

The heat preservation subsystem (3) includes heat preservation carriage body (300) and leakage-proof hot compartment door, keeps the temperature carriage body (300) and leakage-proof hot compartment door After assembly storage space is formed in inside；It includes carriage body outer wall (301), carriage body inner wall (302) and heat preservation to keep the temperature carriage body (300) Layer (303), the insulating layer (303) be mounted on it is following any one or appoint multiple positions on：

-- on the outside of carriage body outer wall (301)；

-- on the inside of carriage body inner wall (302)；

-- between carriage body outer wall (301) and carriage body inner wall (302)；

The cold-storage subsystem (2) is mounted in storage space；Refrigeration subsystem (1) is connected with cold-storage subsystem (2), refrigeration System (1) includes refrigeration unit (110), and it is external that the refrigeration unit (110) is mounted on heat preservation carriage body (300) in whole or in part.

2. refrigerating system according to claim 1, which is characterized in that the refrigeration subsystem (1) includes refrigeration unit (110) with the first evaporation tube (101), refrigeration unit (110) is connected with the first evaporation tube (101) constitutes closed circuit；

The cold-storage subsystem (2) includes evaporator (210), hold-over plate (200) and refrigerant delivery pipe (220)；Hold-over plate (200) include plate body (201) and the second evaporation tube (202)；The evaporator (210), refrigerant delivery pipe (220) and second are steamed Closed circuit is connected and composed between hair pipe (202)；

Vaporization chamber is provided in evaporator (210), evaporation chamber forms heat transfer space, and first evaporation tube (101) is along length Degree direction extends up in the heat transfer space.

3. refrigerating system according to claim 2, which is characterized in that functional extension is set on the plate body (201), Include mounting portion and/or radiating part in multiple function extensions；

Multiple function extension fastening installations are integrally formed on the outer end face of plate body (201).

4. refrigerating system according to claim 3, which is characterized in that be provided with fixed dress on the carriage body inner wall (302) It sets, the fixing device includes built-in fitting (311), fixing bolt (312) and fixing nut (313)；

Carriage body outer wall (301), insulating layer (303), built-in fitting (311), carriage body inner wall (302) are sequentially arranged；Fixing bolt (312) Wherein one end is fastenedly connected on built-in fitting (311) in both ends in an axial direction, and the other end in axial direction extends through carriage body inner wall (302) it reaches on the inside of carriage body inner wall (302)；The fixing nut (313) coordinates with fixing bolt (312) by hold-over plate (200) On carriage body inner wall (302).

5. refrigerating system according to claim 3, which is characterized in that the radiating part includes heat bulge (205), multiple The heat bulge (205) is arranged in the following manner：

-- it is located at plate body (201) along the end face at width extending direction both ends；

-- along plate body (201), length extending direction is sequentially arranged；

Mounting hole (206) is provided on the heat bulge (205), mounting hole (206) corresponding position forms mounting portion.

6. refrigerating system according to claim 2, which is characterized in that second evaporation tube (202) passes through following any Kind mode appoints various ways to be mounted on plate body (201)：

-- the second evaporation tube (202) is nested to be mounted on plate body (201) inside；

-- the second evaporation tube (202) installation by adhering is in the fluting of plate body (201) outer end face；

-- it is external that the second evaporation tube (202) winding is mounted on plate body (201).

7. refrigerating system according to claim 3, which is characterized in that include also wind guide tank, the wind guide tank is by following One or appoint a multiple structures formed：

-- the fluting being arranged on carriage body inner wall (302)；

-- it is fastenedly connected on carriage body inner wall (302) or integrally formed proximate matter；

-- the function extension on plate body (201).

8. refrigerating system according to claim 2, which is characterized in that be provided with cycle on the refrigerant delivery pipe (220) It pumps (230)；Including multiple hold-over plates (200) are in parallel and/or are connected in series with；

Second evaporation tube (202) forms U-shaped or S-shaped on length extending direction；The plate body (201) includes phase-change material Layer；

Be additionally provided with power sub-system on the heat preservation carriage body (300), refrigeration subsystem (1) with cold-storage subsystem (2) and institute Power sub-system is stated to be connected；The power sub-system includes following any or various structures：

-- solar energy power accumulating structure；

-- power grid power taking structure；

-- generating set.

9. refrigerating system according to claim 1, which is characterized in that the leakage-proof hot compartment door includes one or multi-channel heat preservation Curtain；The heat holding curtain includes following any or various structures in a thickness direction：

-- layer of PVC；

-- Oxford layer of cloth；

-- cotton layer；

-- layer of polyester fiber.

10. refrigerating system according to claim 2, which is characterized in that also include temperature sensor and controller；

Temperature sensor setting it is following any one or appoint on multiple positions：

-- carriage body inner wall (302)；

-- leakage-proof hot compartment door；

-- hold-over plate (200)；

-- refrigeration unit (110).