CN210374224U

CN210374224U - Vehicle-mounted refrigerator

Info

Publication number: CN210374224U
Application number: CN201920361989.7U
Authority: CN
Inventors: 吴旻; 罗才茂
Original assignee: Wuyi University
Current assignee: Wuyi University
Priority date: 2019-03-20
Filing date: 2019-03-20
Publication date: 2020-04-21
Anticipated expiration: 2029-03-20

Abstract

The utility model discloses a vehicle-mounted refrigerator, which comprises a refrigerator body, a refrigerating system and a driving system; the refrigerating system and the driving system are both arranged in the box body; the box body is detachably arranged in a tail box of the vehicle; the driving system is used for driving the refrigeration system to normally operate and comprises an igniter, an air path and an air source, and the igniter is connected with the air source through the air path; the refrigerating system is used for cooling the inner cavity of the box body and is provided with working media capable of changing gas and liquid. The igniter is independently supplied, the igniter provides energy for the working medium in the refrigerating system, the working medium moves in the refrigerating system and changes gas and liquid, the temperature in the box body is reduced, energy of a vehicle is not needed, and the refrigerator can still be supplied with power under the condition that the vehicle stops, so that the refrigerator is ensured to continuously work.

Description

Vehicle-mounted refrigerator

Technical Field

The utility model relates to a domestic appliance field, in particular to on-vehicle refrigerator.

Background

More and more families in modern times have one or more automobiles for family service and travel. For ordinary families, sometimes picnic needs to freeze beverages and foods or carry medicines which need to be refrigerated, and at the moment, the automobile is inconvenient in places which do not need to be refrigerated.

The vehicle refrigerator, which is driven by electricity, is commercially available to solve the above problems. However, the engine of the automobile cannot generate electricity by being operated. Once the vehicle is turned off, the vehicle battery is no longer available to power the on-board refrigerator. Because the electricity is used up, the engine cannot be started, and the vehicle-mounted refrigerator cannot work continuously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide an on-vehicle refrigerator, can the continuous operation.

According to a first aspect of the present invention, there is provided a vehicle-mounted refrigerator, comprising a box body, a refrigeration system and a driving system; the refrigerating system and the driving system are both arranged in the box body;

the box body is detachably arranged in a tail box of the vehicle;

the driving system is used for driving the refrigeration system to normally operate and comprises an igniter, an air path and an air source, and the igniter is connected with the air source through the air path;

the refrigerating system is used for cooling the inner cavity of the box body and is provided with working media capable of changing gas and liquid.

Has the advantages that: the igniter is independently supplied, the igniter provides energy for the working medium in the refrigerating system, the working medium moves in the refrigerating system and changes gas and liquid, the temperature in the box body is reduced, energy of a vehicle is not needed, and the refrigerator can still be supplied with power under the condition that the vehicle stops, so that the refrigerator is ensured to continuously work.

According to the utility model discloses on-vehicle refrigerator of first aspect, refrigerating system includes generator, condenser, evaporimeter, heat exchanger and absorber; the generator, the condenser, the evaporator and the absorber are sequentially communicated to form a refrigeration loop; the heat exchanger is respectively communicated with the generator, the evaporator and the absorber, and the igniter is used for heating the working medium in the generator.

It should be mentioned that the working medium includes the mixture of ammonia, water and hydrogen, and under the heating of lighter, ammonia water in the generator, ammonia is distilled to go into the condenser along with the pipeline and liquefy, liquefied liquid ammonia gets into in the evaporimeter, mixes with hydrogen, atmospheric pressure reduces, and the boiling point reduces, makes liquid ammonia gasification heat absorption, takes away the heat in the box, and ammonia mixes again with water and circulates in flowing into the generator, reaches the effect of constantly lowering the temperature for the box.

According to the utility model discloses on-vehicle refrigerator of first aspect, some firearm with between the air supply the gas circuit is provided with the solenoid valve, the solenoid valve electricity is connected with piezoresistive sensor and second power, piezoresistive sensor keeps the normally closed, the solenoid valve keeps the route under the on-state. When the automobile encounters an accidental collision, the piezoresistive sensor is disconnected, the electromagnetic valve is closed, the air source is blocked, the first igniter loses the supply of combustible gas, the flame is gradually extinguished, and the occurrence of a secondary accident is prevented.

According to the utility model discloses on-vehicle refrigerator of first aspect, the box is provided with storage chamber, first interlayer and second interlayer, condenser, heat exchanger and absorber all set up in the first interlayer, the evaporimeter sets up in the storage chamber, the generator reaches actuating system sets up in the second interlayer. Separate actuating system and refrigerating system, prevent that the heat from influencing the normal work of other parts, simultaneously, set up the evaporimeter in storing the chamber, cool off the storage chamber better.

According to the utility model discloses on-vehicle refrigerator of first aspect, the bottom of second interlayer is provided with the intake pipe and discharges fume the pipe, be provided with in the boot with the pipeline of intake pipe intercommunication, the pipeline communicates to in the external environment, the outside parcel of some firearm has the chimney, the chimney with discharge fume the pipe and reach the intake pipe intercommunication, the bottom of boot is provided with the outlet duct with outside intercommunication, the outlet duct with discharge fume the pipe intercommunication.

It should be mentioned that an exhaust fan is arranged in the pipeline, the exhaust fan brings oxygen into the igniter for combustion, and smoke generated after combustion is discharged out of the vehicle through a chimney, a smoke discharge pipe and an air outlet pipe.

According to the utility model discloses the first aspect on-vehicle refrigerator, outlet duct and tail pipe intercommunication. The air outlet pipe is communicated with the tail pipe, so that smoke and vehicle tail gas can be discharged into the environment together, and the centralized treatment is facilitated.

According to the utility model discloses on-vehicle refrigerator, some firearm parcel has the screen panel, the screen panel sets up the chimney with between some firearm. The mesh enclosure can further prevent heat diffusion from influencing the normal operation of other parts.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a refrigeration system according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a driving system according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a circuit of the solenoid valve, the second film and the piezoresistive sensor according to an embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, according to a first aspect of the present invention, there is provided an on-vehicle refrigerator including a cabinet 10, a refrigeration system 20, and a driving system 30; the refrigerating system 20 and the driving system 30 are both arranged in the box body 10; the case 10 is detachably installed in a trunk 40 of a vehicle; the driving system 30 is used for driving the refrigeration system 20 to normally operate, and includes an igniter 31, an air path and an air source 32, and the igniter 31, the igniter 31 and the air source 32 are connected through the air path; the refrigerating system 20 is used for cooling the inner cavity of the box body 10, and the working medium which can change gas and liquid is arranged in the refrigerating system 20.

In the actual working process, the igniter 31 is supplied independently, so that the igniter 31 provides energy for the working medium in the refrigeration system 20, the working medium moves in the refrigeration system 20, gas-liquid change is carried out, the temperature in the box body 10 is reduced, energy of a vehicle is not needed, and the refrigerator can still be supplied with power under the condition that the vehicle stops, so that the refrigerator is ensured to work continuously.

Referring to fig. 2, in certain embodiments, the refrigeration system 20 includes a generator 21, a condenser 22, an evaporator 23, a heat exchanger 25, and an absorber 24; the generator 21, the condenser 22, the evaporator 23 and the absorber 24 are communicated in sequence to form a refrigeration loop; the heat exchanger 25 is respectively communicated with the generator 21, the evaporator 23 and the absorber 24, and the igniter 31 is used for heating the working medium in the generator 21.

It should be mentioned that the working medium includes a mixture of ammonia, water and hydrogen, ammonia water in the generator 21 is heated by the igniter 31, the ammonia is distilled out and enters the condenser 22 along with the pipeline 3141 for liquefaction, liquefied liquid ammonia enters the evaporator 23 to be mixed with hydrogen, the air pressure is reduced, the boiling point is reduced, the liquid ammonia is gasified to absorb heat, heat in the tank 10 is taken away, the ammonia and water are mixed again and flow into the generator 21 for circulation, and the effect of continuously reducing the temperature of the tank 10 is achieved.

In the circulating process, when ammonia enters the condenser 22 from the generator 21, the concentration of ammonia water is reduced, liquid enters the absorber 24 and waits for the ammonia flowing into the absorber 24 from the evaporator 23 and dissolves the ammonia again to form concentrated ammonia water, the concentrated ammonia water is returned to the generator 21, the heat exchanger 25 is arranged between the emitter and the absorber 24 and can preheat the liquid in the absorber 24, and after the preheated concentrated ammonia water enters the generator 21, the heating time can be reduced, and the reaction speed is improved.

On the other hand, since hydrogen is insoluble in water, hydrogen reenters the evaporator 23 and passes through the heat exchange of the heat exchanger 25 before entering the evaporator 23, so that the hot hydrogen is cooled, and the influence on the temperature reduction effect of the evaporator 23 is reduced.

Referring to fig. 3, according to the on-vehicle refrigerator of the first aspect of the present invention, the air path between the igniter 31 and the air source 32 is provided with a solenoid valve 315, the solenoid valve 315 is electrically connected with a piezoresistive sensor 316 and a second power source, the piezoresistive sensor 316 keeps normally closed, and the solenoid valve 315 keeps a path in an energized state.

In the process of practical use, when the car meets unexpected collision, if continue to supply combustible gas for some firearm 31, cause the explosion easily and lead to secondary damage, refer to fig. 4, when the car meets the collision, piezoresistive sensor 316 breaks off, makes solenoid valve 315 seal, blocks air supply 32, and first some firearm 31 loses combustible gas supply, makes flame extinguish gradually, prevents the emergence of secondary accident. Preferably, the combustible gas may be natural gas or petroleum gas.

According to the utility model discloses on-vehicle refrigerator of first aspect, box 10 is provided with storage chamber 11, first interlayer 12 and second interlayer 13, condenser 22, heat exchanger 25 and absorber 24 all set up in first interlayer 12, evaporimeter 23 sets up in the storage chamber 11, generator 21 reaches actuating system 30 sets up in the second interlayer 13. The driving system 30 is separated from the refrigerating system 20 to prevent heat from affecting the normal operation of the remaining parts, and at the same time, the evaporator 23 is disposed in the storage chamber 11 to better cool the storage chamber 11.

According to the utility model discloses on-vehicle refrigerator of first aspect, the bottom of second interlayer 13 is provided with intake pipe 314 and exhaust pipe 313, be provided with in the rear of a vehicle the pipeline 3141 with intake pipe 314 intercommunication, pipeline 3141 communicates to in the external environment, the outside parcel of some firearm 31 has chimney 312, chimney 312 with exhaust pipe 313 reaches intake pipe 314 intercommunication, the bottom of boot be provided with the outside outlet duct 3131 that communicates, outlet duct 3131 with exhaust pipe 313 communicates.

Preferably, the air holes of the air inlet pipe 314 are arranged at a position lower than that of the smoke exhaust pipe 313, and since oxygen is heavier than carbon dioxide, when oxygen enters the chimney 312, the emission of smoke is promoted,

it should be noted that an exhaust fan is disposed in the conduit 3141, and the exhaust fan brings oxygen into the igniter 31 for combustion, and the smoke generated after combustion is exhausted out of the vehicle through the chimney 312, the smoke exhaust pipe 313 and the air outlet pipe 3131.

According to the utility model discloses the on-vehicle refrigerator of first aspect, outlet duct 3131 communicates with the tail pipe. The air outlet pipe 3131 is communicated with the tail pipe, so that smoke and vehicle tail gas can be discharged into the environment together, and centralized treatment is facilitated.

According to the utility model discloses on-vehicle refrigerator of first aspect, some firearm 31 parcel has screen panel 313, screen panel 313 sets up chimney 312 with some between the firearm 31. The mesh cover 313 can further prevent the heat from diffusing to affect the normal operation of the rest parts.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. An in-vehicle refrigerator, characterized by comprising: the refrigerator comprises a box body, a refrigerating system and a driving system; the refrigerating system and the driving system are both arranged in the box body;

the box body is detachably arranged in a tail box of the vehicle;

2. The in-vehicle refrigerator of claim 1, wherein the refrigeration system comprises a generator, a condenser, an evaporator, a heat exchanger, and an absorber; the generator, the condenser, the evaporator and the absorber are sequentially communicated to form a refrigeration loop; the heat exchanger is respectively communicated with the generator, the evaporator and the absorber, and the igniter is used for heating the working medium in the generator.

3. The vehicle-mounted refrigerator according to claim 1 or 2, wherein the air path between the igniter and the air source is provided with a solenoid valve, the solenoid valve is electrically connected with a piezoresistive sensor and a second power supply, the piezoresistive sensor is kept normally closed, and the solenoid valve is kept in a passage in an energized state.

4. The in-vehicle refrigerator of claim 2, wherein the cabinet is provided with a storage chamber, a first partition and a second partition, the condenser, the heat exchanger and the absorber are disposed in the first partition, the evaporator is disposed in the storage chamber, and the generator and the driving system are disposed in the second partition.

5. The vehicle-mounted refrigerator according to claim 4, wherein an air inlet pipe and an exhaust pipe are arranged at the bottom of the second interlayer, a pipeline communicated with the air inlet pipe is arranged in the tail box and communicated to the external environment, a chimney is wrapped outside the igniter and communicated with the exhaust pipe and the air inlet pipe, and an air outlet pipe communicated with the outside is arranged at the bottom of the tail box and communicated with the exhaust pipe.

6. The in-vehicle refrigerator of claim 5, wherein the outlet duct communicates with a tail duct.

7. The on-board refrigerator according to claim 5 or 6, wherein the igniter is wrapped with a mesh cover, and the mesh cover is disposed between the chimney and the igniter.