CN113983736B - Refrigeration system for vehicle-mounted refrigerator, control method, vehicle-mounted refrigerator and vehicle - Google Patents
Refrigeration system for vehicle-mounted refrigerator, control method, vehicle-mounted refrigerator and vehicle Download PDFInfo
- Publication number
- CN113983736B CN113983736B CN202111203694.5A CN202111203694A CN113983736B CN 113983736 B CN113983736 B CN 113983736B CN 202111203694 A CN202111203694 A CN 202111203694A CN 113983736 B CN113983736 B CN 113983736B
- Authority
- CN
- China
- Prior art keywords
- vehicle
- water
- water flow
- condenser
- water pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005057 refrigeration Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 322
- 238000001514 detection method Methods 0.000 claims description 17
- 238000012546 transfer Methods 0.000 description 9
- 239000003507 refrigerant Substances 0.000 description 5
- 230000008014 freezing Effects 0.000 description 4
- 238000007710 freezing Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 206010025482 malaise Diseases 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
-
- 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
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
-
- 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
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
Abstract
The invention discloses a refrigeration system for a vehicle-mounted refrigerator, a control method, the vehicle-mounted refrigerator and a vehicle, relates to the technical field of the vehicle-mounted refrigerator, and solves the technical problems that in the prior art, a condenser of the vehicle-mounted refrigerator is positioned in a narrow space in the vehicle-mounted refrigerator, so that the heat exchange efficiency of the condenser is low, and heat generated by the condenser is dissipated into a carriage to cause discomfort to passengers in the vehicle. The refrigeration system for the vehicle-mounted refrigerator comprises a compressor, an evaporator, a condenser and a water tank, wherein the compressor and the evaporator are positioned on a body of the vehicle-mounted refrigerator; the water tank is arranged outside or inside the vehicle, and the condenser is positioned in the water tank and exchanges heat with water in the water tank. Compared with the condenser of the existing vehicle-mounted refrigerator, the condenser has the advantages that the heat exchange efficiency is improved, the heat generated by the condenser is discharged to the outside of a carriage, and the comfort level of passengers can be improved.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted refrigerators, in particular to a refrigerating system for the vehicle-mounted refrigerator, a control method of the refrigerating system, the vehicle-mounted refrigerator comprising the refrigerating system and a vehicle comprising the vehicle-mounted refrigerator.
Background
In the existing vehicle-mounted refrigerator, a condenser and refrigeration appliances such as a compressor and an evaporator are usually placed in the same narrow space, and heat from the inside of a compartment of the vehicle-mounted refrigerator is dissipated to the outside of the compartment through convection and conduction modes so as to realize refrigeration. At present, the conventional integrated condenser is positioned in a narrow space inside the vehicle-mounted refrigerator, and at least has the following defects: the temperature difference between the inside and the outside of the condenser pipe is small due to the fact that heat emitted by the condenser cannot be rapidly dissipated, so that the heat exchange efficiency of the condenser is low, and certain limitation exists on the design of a refrigeration system of a vehicle-mounted refrigerator; on the other hand, the heat generated by the condenser is entirely dissipated into the vehicle compartment, and may cause discomfort to the passengers in the vehicle. With the development of the vehicle-mounted refrigerator, people have higher demands on the refrigeration performance of the vehicle-mounted refrigerator and the coordination between the vehicle-mounted refrigerator and a vehicle.
The prior patent discloses a split refrigerator with an externally hung compressor and condenser. The refrigerator consists of a compressor, a condenser, a storage device, a refrigerant conduit, an expansion valve, an evaporator, a refrigerating box and a freezing box, wherein the compressor, the condenser, the refrigerating box and the freezing box are arranged in a split mode and are externally hung and installed outdoors. When the compressor is working, the refrigerant vapor in the refrigerant conduit is heated and pressurized by the compressor, then flows into the condenser, the refrigerant vapor in the condenser releases heat, enters the storage device after being condensed, reaches the expansion valves of the refrigerator and the freezer through the refrigerant conduit under the pressure, then enters the evaporator, and absorbs a large amount of heat, thereby reducing the temperature in the refrigerator and the freezer. The refrigerator can obviously improve the heat dissipation effect of the condenser and reduce energy consumption, but the refrigerator is used indoors, is always in a static state and has fixed heat exchange efficiency with the outside; the vehicle-mounted refrigerator is positioned on a vehicle, moves along with the movement of the vehicle, and the heat exchange efficiency of the vehicle-mounted refrigerator also changes along with the movement state of the vehicle, so that the heat exchange efficiency of the vehicle-mounted refrigerator is not fixed.
Therefore, it is an urgent technical problem to provide a refrigeration system suitable for a vehicle-mounted refrigerator, which has high heat exchange efficiency and reduces the influence of heat dissipated by the refrigeration system on passengers in a vehicle compartment.
Disclosure of Invention
The invention provides a refrigeration system for a vehicle-mounted refrigerator, a control method, the vehicle-mounted refrigerator and a vehicle, and solves the technical problems that in the prior art, a condenser of the vehicle-mounted refrigerator is positioned in a narrow space in the vehicle-mounted refrigerator, so that the heat exchange efficiency of the condenser is low, and heat generated by the condenser is dissipated into a carriage to cause discomfort to passengers in the vehicle. The various technical effects that can be produced by the preferred technical solution of the present invention are described in detail below.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention relates to a refrigerating system for a vehicle-mounted refrigerator, which comprises a compressor, an evaporator, a condenser and a water tank, wherein the compressor and the evaporator are positioned on a body of the vehicle-mounted refrigerator; the water tank is arranged outside or inside the vehicle, and the condenser is positioned in the water tank and exchanges heat with water in the water tank.
According to a preferred embodiment, the refrigeration system for the vehicle-mounted refrigerator further comprises a water pump assembly and a water flow pipeline assembly, wherein the water pump assembly comprises at least one water pump, the water flow pipeline assembly comprises at least one set of water flow pipeline, the water flow pipeline is arranged on the surface of a vehicle, and the water pump is used for connecting the water tank and the water flow pipeline and enabling the water tank, the water pump and the water flow pipeline to form a water flow loop.
According to a preferred embodiment, the water pump assembly comprises a first water pump, a second water pump and a third water pump, and the water flow pipeline assembly comprises a first water flow pipeline, a second water flow pipeline and a third water flow pipeline, wherein the first water pump, the second water pump and the third water pump are arranged in parallel with each other, the first water flow pipeline, the second water flow pipeline and the third water flow pipeline are arranged in parallel with each other, and the first water flow pipeline, the second water flow pipeline and the third water flow pipeline are respectively arranged at different positions on the surface of the vehicle; and the first water pump is connected with the first water flow pipeline, the second water pump is connected with the second water flow pipeline, and the third water pump is connected with the third water flow pipeline.
According to a preferred embodiment, the first, second and third water flow lines are transparent flat lines on the surface of the vehicle.
According to a preferred embodiment, the refrigeration system for the vehicle-mounted refrigerator further comprises a temperature sensor, a speed sensor and a control module, wherein the temperature sensor comprises a first temperature sensor for detecting the temperature of the condenser and a second temperature sensor for detecting the temperature of circulating water in each water flow pipeline, and the speed sensor is used for detecting the speed of a vehicle; the temperature sensor and the speed sensor are connected with the control module, the control module adjusts the rotating speed of the water pump based on the detection results of the first temperature sensor and the speed sensor, and the control module adjusts the water flow distribution amount in each water flow pipeline based on the detection result of the second temperature sensor.
The control method for the refrigerating system of the vehicle-mounted refrigerator in any technical scheme of the invention comprises the following steps: when the vehicle-mounted refrigerator is powered on and operated, the refrigerating system starts to work, and the water pump operates at an initial rotating speed; detecting the temperature of the condenser by using a first temperature sensor, detecting the temperature of circulating water in each water flow pipeline by using a second temperature sensor, and detecting the speed of a vehicle by using a speed sensor; the control module adjusts the rotating speed of the water pump based on the detection results of the first temperature sensor and the speed sensor, and adjusts the water flow distribution amount in each water flow pipeline based on the detection result of the second temperature sensor; when the vehicle-mounted refrigerator is stopped, the refrigeration system stops working.
According to a preferred embodiment, the first temperature sensor detects an increase in the temperature of the condenser, and the control module adjusts the water pump in the direction of an increase in the rotational speed; the speed sensor detects that the speed of the vehicle is reduced, and the control module adjusts the water pump in the direction of increasing the rotating speed.
According to a preferred embodiment, the rotation speed of the water pump is: v is V 0 +ΔV 1 +ΔV 2 Wherein V is the real-time rotating speed of the water pump; v 0 The initial rotating speed of the water pump is set; Δ V 1 The water pump rotating speed variation corresponding to the condenser temperature detected by the first temperature sensor and the condenser preset temperature difference is in a linear relation with the water pump rotating speed variation and is in one-to-one correspondence; Δ V 2 And the vehicle speed detected by the speed sensor, the vehicle preset speed difference value and the water pump rotating speed variation are in linear relation and in one-to-one correspondence.
The vehicle-mounted refrigerator comprises a refrigerator body and a refrigerating system, wherein the refrigerating system is the refrigerating system for the vehicle-mounted refrigerator according to any technical scheme of the invention.
The vehicle comprises a vehicle body and the vehicle-mounted refrigerator, wherein the vehicle-mounted refrigerator is the vehicle-mounted refrigerator in any technical scheme of the invention.
The refrigeration system for the vehicle-mounted refrigerator, the control method and the vehicle-mounted refrigerator provided by the invention at least have the following beneficial technical effects:
the invention relates to a refrigerating system for a vehicle-mounted refrigerator, which comprises a compressor, an evaporator, a condenser and a water tank, wherein the compressor and the evaporator are positioned on a body of the vehicle-mounted refrigerator; the water tank sets up in vehicle outside or vehicle inside, and the condenser is located the water tank and with the water heat transfer in the water tank, this scheme has following advantage at least: firstly, the condenser exchanges heat with water in the water tank, the specific heat capacity of the water is large, and the condenser can keep enough temperature difference with the condenser even if the water in the water tank absorbs a large amount of heat of the condenser, so that the enough heat exchange efficiency of the condenser is ensured, and the problem that the heat emitted by the condenser cannot be quickly dissipated to cause the temperature difference between the inside and the outside of the condenser pipe to be small and the heat exchange efficiency of the condenser to be lower due to the fact that the conventional integrated condenser is located in a narrow space inside a vehicle-mounted refrigerator in the prior art is solved; the invention is used for the refrigerating system of the vehicle-mounted refrigerator, can improve the heat exchange efficiency of the condenser, and can be used for designing the vehicle-mounted refrigerator with larger design and higher requirement on refrigerating performance; secondly, the condenser, the compressor and the evaporator are arranged in a split mode, so that the heat exchange area between the condenser and the outside is increased, the heat exchange area between the condenser and the outside is only the outer surface of a condenser pipeline originally, and is extremely limited, and the condenser is provided with a heat exchange area in which water flow covers, so that heat exchange can be carried out more effectively; thirdly, when the water tank is arranged outside the vehicle, the condenser is positioned in the water tank, and after the vehicle moves, the flow velocity of heat transfer medium, namely air flowing through the outside of the condenser is accelerated, so that the heat transfer efficiency can be further improved; fourthly, the condenser compressor and the evaporator are arranged in a split manner, namely the condenser is not arranged on the body of the vehicle-mounted refrigerator and is separated from the carriage, and heat generated by the condenser can be discharged to the outside of the carriage through the water tank, so that the comfort level of passengers in the carriage can be improved, and the technical problem that the heat generated by the condenser in the prior art is dissipated into the carriage to cause discomfort to the passengers in the vehicle is solved.
According to the control method for the refrigeration system of the vehicle-mounted refrigerator in any technical scheme, the control module adjusts the rotating speed of the water pump based on the detection results of the first temperature sensor and the speed sensor, so that the flow rate of circulating water can be controlled, and a condenser can always keep high heat exchange efficiency; the control module adjusts the water flow distribution amount in each water flow pipeline based on the detection result of the second temperature sensor, can control the temperature in each water flow pipeline within a certain temperature range, and is favorable for improving the heat exchange efficiency of circulating water and the condenser.
The vehicle-mounted refrigerator comprises the refrigeration system which is used for the vehicle-mounted refrigerator according to any technical scheme, the heat exchange efficiency of the condenser of the refrigeration system is improved, and heat generated by the condenser is discharged to the outside of a carriage, so that the refrigeration performance and the user experience of the vehicle-mounted refrigerator can be improved.
The vehicle comprises the vehicle-mounted refrigerator in any technical scheme, and due to the fact that the refrigerating performance of the vehicle-mounted refrigerator is improved, the use experience of a user is improved, and therefore the performance and the comfort degree of the vehicle can be improved.
The refrigeration system, the control method, the vehicle-mounted refrigerator and the vehicle for the vehicle-mounted refrigerator solve the technical problems that in the prior art, a condenser of the vehicle-mounted refrigerator is located in a narrow space inside the vehicle-mounted refrigerator, so that the heat exchange efficiency of the condenser is low, and heat generated by the condenser is dissipated into a carriage to cause discomfort to passengers in the vehicle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block schematic diagram of a refrigeration system for an on-board refrigerator of the present invention;
FIG. 2 is a schematic view of the condenser of the present invention placed in a water tank;
FIG. 3 is a schematic view of a water flow circuit of the present invention;
FIG. 4 is a flow chart illustrating the adjustment of the water pump speed for the refrigeration system of the on-board refrigerator according to the present invention.
In the figure: 101. a condenser; 102. a water tank; 103. a first water pump; 104. a second water pump; 105. a third water pump; 106. a first water flow line; 107. a second water flow line; 108. a third water flow line; 109. a temperature sensor; 110. a control module; 111. a transparent flat pipeline; 112. and (4) entering and exiting the pipeline.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It should be apparent that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The refrigeration system, the control method, the vehicle-mounted refrigerator and the vehicle for the vehicle-mounted refrigerator are described in detail in the following with reference to the attached drawings 1 to 4 and the embodiments 1 to 4 of the specification.
Example 1
This embodiment will explain the refrigeration system for an in-vehicle refrigerator of the present invention in detail.
The present embodiment is a refrigeration system for an in-vehicle refrigerator, including a compressor, an evaporator, a condenser 101, and a water tank 102. Preferably, the compressor and the evaporator are positioned on the body of the vehicle-mounted refrigerator, the condenser 101 is connected with the compressor and the evaporator, and the condenser 101, the compressor and the evaporator are arranged in a split manner; the water tank 102 is disposed outside or inside the vehicle, and the condenser 101 is located inside the water tank 102 and exchanges heat with water inside the water tank 102, as shown in fig. 1 or 2. The compressor and the evaporator of the present embodiment may be installed in a box on the body of the vehicle-mounted refrigerator using a conventional arrangement in the related art, the condenser 101 is placed in the water tank 102, and the condenser 101 is connected with the compressor and the evaporator through a connecting pipe, so that the condenser 101 and the compressor and the evaporator form a separate structure. More preferably, the condenser 101 may be a prior art coil condenser. More preferably, the water tank 102 is a closed water tank, and the shape and volume of the water tank 102 can at least accommodate a lower condenser and a water pump for driving water to circulate.
The refrigeration system for the vehicle-mounted refrigerator has at least the following advantages: firstly, the condenser 101 of the embodiment exchanges heat with water in the water tank 102, the specific heat capacity of the water is large, and the water in the water tank 102 can be guaranteed to keep enough temperature difference with the condenser 101 even if absorbing a large amount of heat of the condenser 101, so that the enough heat exchange efficiency of the condenser 101 is guaranteed, and the problem that the heat exchange efficiency of the condenser is low because the conventional integrated condenser is located in a narrow space inside the vehicle-mounted refrigerator and the temperature difference between the inside and the outside of the condenser pipe is small due to the fact that the heat emitted by the condenser cannot be rapidly dissipated in the prior art is solved; the embodiment is used for a refrigerating system of a vehicle-mounted refrigerator, can improve the heat exchange efficiency of the condenser 101, and can be used for designing the vehicle-mounted refrigerator with larger design and higher requirement on refrigerating performance; secondly, the condenser 101, the compressor and the evaporator are arranged in a split manner, so that the heat exchange area between the condenser 101 and the outside is increased, the heat exchange area between the condenser 101 and the outside is only the outer surface of a condenser pipeline originally, the heat exchange area is very limited, and the condenser 101 of the embodiment is provided with a heat exchange area at the position covered by water flow, so that heat exchange can be carried out more effectively; thirdly, when the water tank 102 is arranged outside the vehicle, the condenser 101 is positioned in the water tank 102, and after the vehicle moves, the flow velocity of the heat transfer medium, namely air, flowing through the outside of the condenser 101 is increased, so that the heat transfer efficiency can be further improved; fourthly, the condenser 101 compressor and the evaporator of this embodiment are arranged in a split manner, namely the condenser 101 of this embodiment is not arranged on the body of the vehicle-mounted refrigerator and is separated from the compartment, and the heat generated by the condenser 101 can be discharged to the outside of the compartment through the water tank 102, so that the comfort level of passengers in the compartment can be improved, and the technical problem that the heat generated by the condenser in the prior art is dissipated to the compartment to cause discomfort to the passengers in the compartment is avoided. This embodiment is used for on-vehicle refrigerator's refrigerating system promptly, has solved among the prior art that on-vehicle refrigerator condenser is located the inside narrow and small space of on-vehicle refrigerator for condenser heat exchange efficiency is lower and the heat that the condenser produced gives off and causes uncomfortable technical problem to the passenger in the car in the carriage.
According to a preferred embodiment, tank 102 is positioned on the top, head or sides of the vehicle. The water tank 102 is disposed at the top, head, or both sides of the vehicle, and the heat transfer efficiency of the condenser 101 can be further improved due to the increased flow rate of the heat transfer medium, i.e., air, flowing through the outside of the condenser 101 after the vehicle is moved. It will be appreciated that the water tank 102 may also be provided in the trunk or trunk of the vehicle when there is no high demand on the heat transfer efficiency of the condenser 101.
According to a preferred embodiment, the refrigeration system for the vehicle-mounted refrigerator further comprises a water pump assembly and a water flow pipeline assembly, wherein the water pump assembly comprises at least one water pump, the water flow pipeline assembly comprises at least one set of water flow pipelines, the water flow pipelines are arranged on the surface of the vehicle, and the water pump is used for connecting the water tank 102 and the water flow pipelines and enabling the water tank 102, the water pump and the water flow pipelines to form a water flow loop, as shown in fig. 1. Specifically, the water flow pipe may be disposed on an inner surface of the vehicle or may be disposed on an outer surface of the vehicle. The refrigeration system according to the preferred embodiment of the present invention dissipates heat generated by the condenser 101 in the following manner: when the vehicle-mounted refrigerator works normally, the temperature of the condenser 101 rises, when circulating water in a water flow loop formed by the water tank 102, the water pump and the water flow pipeline flows through the condenser 101, the circulating water absorbs heat of the condenser 101, the temperature of the condenser 101 is reduced, the circulating water flows in the water flow loop formed by the water tank 102, the water pump and the water flow pipeline, and heat exchange is carried out between water in the water flow loop and outside air, so that heat generated by the condenser 101 is dissipated to the outside air. In cold weather, the problem that the window or the door is frozen due to freezing often occurs, and the water flow pipeline of the preferred technical scheme of the embodiment is arranged on the surface of the vehicle, for example, arranged on the window or the door, so that the problem that the window or the door is frozen due to freezing in cold weather of the vehicle can be prevented by using the heat of the condenser 101 carried by the water in the water flow pipeline, and the heat generated by the condenser 101 can be effectively utilized. It will be appreciated that adjusting the position of the water flow line also allows the heat generated by the condenser 101 to be used for other purposes, such as by locating the water flow line in a vehicle head or in a location where it is easier to achieve a secure connection.
According to a preferred embodiment, the water pump assembly comprises a first water pump 103, a second water pump 104 and a third water pump 105, the water flow pipeline assembly comprises a first water flow pipeline 106, a second water flow pipeline 107 and a third water flow pipeline 108, wherein the first water pump 103, the second water pump 104 and the third water pump 105 are arranged in parallel with each other, the first water flow pipeline 106, the second water flow pipeline 107 and the third water flow pipeline 108 are arranged in parallel with each other, and the first water flow pipeline 106, the second water flow pipeline 107 and the third water flow pipeline 108 are respectively arranged at different positions on the surface of the vehicle; and the first water pump 103 is connected to a first water flow line 106, the second water pump 104 is connected to a second water flow line 107, and the third water pump 105 is connected to a third water flow line 108, as shown in fig. 1. For example, the first, second and third water flow pipes 106, 107 and 108 are provided on the left, rear and right windows of the vehicle, respectively. According to the preferable technical scheme of the embodiment, the first water flow pipeline 106, the second water flow pipeline 107 and the third water flow pipeline 108 are respectively arranged at different positions on the surface of the vehicle, and the heat of the condenser 101 carried by the water in the first water flow pipeline 106, the second water flow pipeline 107 and the third water flow pipeline 108 can be used for preventing the vehicle from being frozen due to icing in cold weather, so that the heat generated by the condenser 101 can be effectively utilized. Without being limited thereto, the water pump assembly may also include one, two, or more than three water pumps; likewise, the water flow line assembly may include one, two, or more than three water flow lines.
According to a preferred embodiment, the portions of the first, second and third water flow lines 106, 107, 108 that are located on the surface of the vehicle are transparent flat lines. Preferably, the first, second and third water flow pipes 106, 107 and 108 located at the rest parts may be transparent flat pipes or non-transparent round pipes. As shown in fig. 3, the first, second and third water flow pipes 106, 107 and 108 include a transparent flat pipe 111 and an inlet/outlet pipe 112 to/from the transparent flat pipe 111. In the preferable technical scheme of the embodiment, the parts of the first water flow pipeline 106, the second water flow pipeline 107 and the third water flow pipeline 108, which are positioned on the surface of the vehicle, are transparent flat pipelines, so that the aesthetic property of the outside of the vehicle can be kept, and the influence on the visual field of passengers in the vehicle can be avoided.
According to a preferred embodiment, the refrigeration system for an on-board refrigerator further comprises a temperature sensor 109, a speed sensor and a control module 110, as shown in fig. 1. Preferably, the temperature sensor 109 includes a first temperature sensor for detecting the temperature of the condenser 101 and a second temperature sensor for detecting the temperature of the circulating water in each water flow line, and a speed sensor for detecting the speed of the vehicle; and the temperature sensor 109 and the speed sensor are connected with the control module 110, the control module 110 adjusts the rotating speed of the water pump based on the detection results of the first temperature sensor and the speed sensor, and the control module 110 adjusts the water flow distribution amount in each water flow pipeline based on the detection results of the second temperature sensor. Preferably, a second temperature sensor is used to detect the temperature of the circulating water in the first, second and third water flow lines 106, 107, 108. The control module 110 of the preferred embodiment adjusts the rotation speed of the water pump based on the detection results of the temperature sensor 109 and the speed sensor, so as to control the flow rate of water in the water flow loop, and keep the condenser 101 at a high heat exchange efficiency all the time. On the other hand, the preferred technical scheme of this embodiment detects the temperature of circulating water in each water flow pipeline through second temperature sensor, and when the circulating water was great in the difference in temperature in each water flow pipeline, through the distribution of regulation water flow, can be in certain temperature range with the temperature control in each water flow pipeline, be favorable to improving the heat exchange efficiency of circulating water and condenser 101. Specifically, in the preferred technical solution of this embodiment, the distribution of the water flow is adjusted as follows: when the water temperature of one or both of the first, second and third water flow lines 106, 107, 108 exceeds a preset temperature, the water flow rate of the water flow line is increased and the water temperature of the line is maintained within a preset temperature range.
It should be understood that the control module 110 of the preferred embodiment can be implemented by hardware, software, firmware or their combination. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, in the preferred technical solution of this embodiment, each functional unit may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
Example 2
The embodiment of the invention provides a detailed description of a control method of a refrigeration system for a vehicle-mounted refrigerator according to any technical scheme.
The control method for the refrigerating system of the vehicle-mounted refrigerator in any one of the technical schemes of the embodiment 1 comprises the following steps: when the vehicle-mounted refrigerator is powered on and operated, the refrigerating system starts to work, and the water pump operates at an initial rotating speed; detecting the temperature of the condenser 101 by using a first temperature sensor, the temperature of the circulating water in each water flow pipeline by using a second temperature sensor, and the vehicle speed by using a speed sensor; the control module 110 adjusts the rotation speed of the water pump based on the detection results of the first temperature sensor and the speed sensor, and the control module 110 adjusts the water flow distribution amount in each water flow pipeline based on the detection result of the second temperature sensor; when the vehicle-mounted refrigerator is stopped, the refrigeration system stops working. Fig. 4 shows a flow chart of the water pump speed adjustment of the embodiment.
In the control method for the refrigeration system of the vehicle-mounted refrigerator in any technical scheme of embodiment 1, the control module adjusts the rotating speed of the water pump based on the detection results of the first temperature sensor and the speed sensor, so that the flow rate of circulating water can be controlled, and the condenser 101 can always keep high heat exchange efficiency; the control module 110 adjusts the water distribution amount in each water flow pipeline based on the detection result of the second temperature sensor, and can control the temperature in each water flow pipeline within a certain temperature range, which is beneficial to improving the heat exchange efficiency between the circulating water and the condenser 101. The control method for the refrigerating system of the vehicle-mounted refrigerator in the embodiment solves the technical problem that in the prior art, the vehicle-mounted refrigerator is located on a vehicle and moves along with the movement of the vehicle, and the heat exchange efficiency of the vehicle-mounted refrigerator is not fixed due to the fact that the heat exchange efficiency of the vehicle-mounted refrigerator is changed along with the movement state of the vehicle.
According to a preferred embodiment, the first temperature sensor detects a temperature increase of the condenser 101, and the control module 110 adjusts the water pump in the direction of increasing the rotation speed; the speed sensor detects a decrease in the speed of the vehicle and the control module 110 adjusts the water pump in a direction to increase the speed of rotation. In the preferred technical scheme of the embodiment, the temperature of the condenser 101 is detected to be increased, and the water pump is adjusted towards the direction of increasing the rotating speed, so that the power of the water pump can be increased, the flowing speed of circulating water is increased, and the condenser 101 can quickly exchange heat with the circulating water; the preferred technical scheme of this embodiment detects that vehicle speed slows down even when the vehicle stops moving, adjusts the water pump to the direction that the rotational speed increases to can increase the power of water pump, accelerate the velocity of flow of circulating water, thereby can make condenser 101 quick and circulating water heat transfer.
According to a preferred embodiment, the speed of the water pump is: v is V 0 +ΔV 1 +ΔV 2 . Wherein V is the real-time rotating speed of the water pump; v 0 The initial rotating speed of the water pump; Δ V 1 The method comprises the steps that water pump rotating speed variation corresponding to a difference value between the condenser 101 temperature detected by a first temperature sensor and the condenser 101 preset temperature is obtained, and the condenser 101 temperature detected by the first temperature sensor and the condenser 101 preset temperature difference value are in linear relation with the water pump rotating speed variation and are in one-to-one correspondence; Δ V 2 The water pump rotating speed variation corresponding to the vehicle speed and the vehicle preset speed difference value detected by the speed sensor is in linear relation and in one-to-one correspondence with the water pump rotating speed variation.
Specifically, as shown in fig. 4, when the in-vehicle refrigerator starts to operate by power-on, the water pumps located in the three branches start to rotate at the initial rotation speed V 0 The operation is carried out, at the speed, the circulating water in the system begins to flow in the system with the heat of the condenser 101 and is emitted to the outside through the transparent thin-wall pipeline; at this time, the control module 110 measures the temperature of the condenser 101 to be T using the first temperature sensor mounted on the condenser 101 1 Measuring vehicle travel speed A using a speed sensor 1 Temperature T of condenser 101 1 And a predetermined temperature T 0 The difference value of (A) corresponds to the increase value of the rotating speed of the water pump, which is delta V 1 The temperature difference of the condenser 101 and the rotation speed increase value of the water pump are in linear relationship and in one-to-one correspondence, and a certain preset value T of the condenser 101 exists 0 When the temperature of the condenser 101 is higher than the preset value, the rotation speed of the water pump is increased by a value delta V 1 Is a positive value; when the temperature of the condenser 101 is less than the preset value, the increase value DeltaV of the water pump rotation speed 1 Is a negative value. Similarly, the difference value between the running speed of the vehicle and the set speed and the increase value of the rotating speed of the water pump are in linear relation and are in one-to-one correspondence, and a certain preset vehicle speed value A exists 0 When the vehicle speed is highWhen the degree is larger than the preset value, the increasing value delta V of the rotating speed of the water pump 2 Is a positive value; when the vehicle speed is less than the preset value, the water pump rotation speed is increased by a value delta V 2 Is a negative value; the final water pump speed is: v is V 0 +ΔV 1 +ΔV 2 (ii) a When the compressor of the vehicle-mounted refrigerator is stopped, the rotating speed of the water pump returns to zero.
Example 3
The present embodiment will explain the in-vehicle refrigerator of the present invention in detail.
The vehicle-mounted refrigerator of the embodiment comprises a refrigerator body and a refrigerating system. Preferably, the refrigeration system is the refrigeration system used for the vehicle-mounted refrigerator in any one of the technical solutions of embodiment 1. The structure of the refrigerator body can be the same as the prior art, and is not described in detail herein.
The vehicle-mounted refrigerator comprises the refrigeration system which is used for the vehicle-mounted refrigerator and comprises any one technical scheme in the embodiment 1, the heat exchange efficiency of the condenser 101 of the refrigeration system is improved, and heat generated by the condenser 101 is discharged to the outside of a compartment, so that the refrigeration performance and the user experience of the vehicle-mounted refrigerator can be improved. The on-vehicle refrigerator of this embodiment promptly has solved among the prior art that on-vehicle refrigerator condenser is located the inside narrow and small space of on-vehicle refrigerator for condenser heat exchange efficiency is lower and the heat that the condenser produced gives off and causes unwell technical problem to the passenger in the car in the carriage.
Example 4
The present embodiment describes a vehicle of the present invention in detail.
The vehicle of the embodiment comprises a vehicle body and an on-vehicle refrigerator. Preferably, the vehicle-mounted refrigerator is the vehicle-mounted refrigerator in any one of embodiment 3. The vehicle of the embodiment can be a small vehicle, a big bus and other vehicle types. The vehicle body may be the same as the vehicle body in the prior art, and will not be described herein.
The vehicle of this embodiment, including the on-vehicle refrigerator of any one of embodiment 3, because the refrigeration performance of on-vehicle refrigerator improves, the user uses and experiences and promotes to can promote the performance and the comfort level of this embodiment vehicle. The vehicle of this embodiment has solved among the prior art that on-vehicle refrigerator condenser is located the inside narrow and small space of on-vehicle refrigerator for condenser heat exchange efficiency is lower and the heat that the condenser produced gives off and causes unwell technical problem to the passenger in the car in the carriage.
In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (8)
1. The refrigerating system for the vehicle-mounted refrigerator is characterized by comprising a compressor, an evaporator, a condenser (101) and a water tank (102), wherein the compressor and the evaporator are positioned on a body of the vehicle-mounted refrigerator, the condenser (101) is connected with the compressor and the evaporator, and the condenser (101) is arranged in a split manner with the compressor and the evaporator; the water tank (102) is arranged outside or inside a vehicle, and the condenser (101) is positioned in the water tank (102) and exchanges heat with water in the water tank (102);
the refrigeration system for the vehicle-mounted refrigerator further comprises a water pump assembly and a water flow pipeline assembly, wherein the water pump assembly comprises at least one water pump, the water flow pipeline assembly comprises at least one set of water flow pipelines, the water flow pipelines are arranged on the surface of a vehicle, and the water pump is used for connecting the water tank (102) and the water flow pipelines and enabling the water tank (102), the water pump and the water flow pipelines to form a water flow loop;
the refrigeration system for the vehicle-mounted refrigerator further comprises a temperature sensor (109), a speed sensor and a control module (110), wherein the temperature sensor (109) comprises a first temperature sensor for detecting the temperature of the condenser (101) and a second temperature sensor for detecting the temperature of circulating water in each water flow pipeline, and the speed sensor is used for detecting the speed of a vehicle; and the temperature sensor (109) and the speed sensor are connected with the control module (110), the control module (110) adjusts the rotating speed of the water pump based on the detection results of the first temperature sensor and the speed sensor, and the control module (110) adjusts the water flow distribution amount in each water flow pipeline based on the detection result of the second temperature sensor.
2. The refrigeration system for on-board refrigerator according to claim 1, wherein the water pump assembly comprises a first water pump (103), a second water pump (104), a third water pump (105), the water flow line assembly comprises a first water flow line (106), a second water flow line (107), and a third water flow line (108),
wherein the first water pump (103), the second water pump (104), and the third water pump (105) are disposed in parallel with each other, the first water flow pipe (106), the second water flow pipe (107), and the third water flow pipe (108) are disposed in parallel with each other, and the first water flow pipe (106), the second water flow pipe (107), and the third water flow pipe (108) are disposed at different positions on a surface of a vehicle, respectively; and the first water pump (103) is connected to the first water flow line (106), the second water pump (104) is connected to the second water flow line (107), and the third water pump (105) is connected to the third water flow line (108).
3. The refrigerating system for on-board refrigerator of claim 2, wherein the portions of the first water flow pipe (106), the second water flow pipe (107) and the third water flow pipe (108) on the surface of the vehicle are transparent flat pipes.
4. A control method of a refrigerating system for an in-vehicle refrigerator of any one of claims 1 to 3, comprising the steps of:
when the vehicle-mounted refrigerator is powered on and operated, the refrigerating system starts to work, and the water pump operates at an initial rotating speed;
detecting the temperature of the condenser (101) by using a first temperature sensor, detecting the temperature of circulating water in each water flow pipeline by using a second temperature sensor, and detecting the speed of a vehicle by using a speed sensor;
the control module (110) adjusts the rotating speed of the water pump based on the detection results of the first temperature sensor and the speed sensor, and the control module (110) adjusts the water flow distribution amount in each water flow pipeline based on the detection result of the second temperature sensor;
when the vehicle-mounted refrigerator is stopped, the refrigeration system stops working.
5. The control method for a refrigeration system of an in-vehicle refrigerator according to claim 4, wherein a first temperature sensor detects a temperature increase of a condenser (101), and the control module (110) adjusts the water pump in a direction of increasing a rotation speed; the speed sensor detects a decrease in the speed of the vehicle and the control module (110) adjusts the water pump in a direction of increasing rotational speed.
6. The control method for the refrigeration system of the in-vehicle refrigerator as set forth in claim 4 or 5, wherein the rotation speed of the water pump is: v = V 0 +ΔV 1 +ΔV 2 Wherein, in the process,
v is the real-time rotating speed of the water pump;
V 0 the initial rotating speed of the water pump;
ΔV 1 the water pump rotating speed variation corresponding to the condenser temperature detected by the first temperature sensor and the condenser preset temperature difference is in a linear relation with the water pump rotating speed variation and is in one-to-one correspondence;
ΔV 2 the water pump rotating speed variation corresponding to the vehicle speed and the vehicle preset speed difference value detected by the speed sensor is in linear relation and in one-to-one correspondence with the water pump rotating speed variation.
7. An in-vehicle refrigerator characterized by comprising a refrigerator body and a refrigeration system, wherein the refrigeration system is the refrigeration system for the in-vehicle refrigerator of any one of claims 1 to 3.
8. A vehicle characterized by comprising a vehicle body and an in-vehicle refrigerator, wherein the in-vehicle refrigerator is the in-vehicle refrigerator of claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111203694.5A CN113983736B (en) | 2021-10-15 | 2021-10-15 | Refrigeration system for vehicle-mounted refrigerator, control method, vehicle-mounted refrigerator and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111203694.5A CN113983736B (en) | 2021-10-15 | 2021-10-15 | Refrigeration system for vehicle-mounted refrigerator, control method, vehicle-mounted refrigerator and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113983736A CN113983736A (en) | 2022-01-28 |
| CN113983736B true CN113983736B (en) | 2022-09-09 |
Family
ID=79738833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111203694.5A Active CN113983736B (en) | 2021-10-15 | 2021-10-15 | Refrigeration system for vehicle-mounted refrigerator, control method, vehicle-mounted refrigerator and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113983736B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509401A (en) * | 2015-12-15 | 2016-04-20 | 珠海格力电器股份有限公司 | Refrigerating system, cold storage transportation truck and cold storage transportation control method |
| US20160298893A1 (en) * | 2015-04-09 | 2016-10-13 | True Manufacturing Co., Inc. | Methods and apparatuses for controlling the harvest cycle of an ice maker using a harvest sensor and a temperature sensor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201666706U (en) * | 2009-12-04 | 2010-12-08 | 内蒙古伊利实业集团股份有限公司 | Refrigerating system |
| KR101534708B1 (en) * | 2013-12-18 | 2015-07-07 | 현대자동차 주식회사 | Air conditioner system control method for vehicle |
| CN207403639U (en) * | 2017-10-26 | 2018-05-25 | 江苏海瑞通机械有限公司 | A kind of separating refrigerating unit cooling system |
| CN108168183A (en) * | 2017-12-25 | 2018-06-15 | 中山市榄商置业发展有限公司 | A kind of car refrigerator device using vehicle air conditioner condensed water |
-
2021
- 2021-10-15 CN CN202111203694.5A patent/CN113983736B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160298893A1 (en) * | 2015-04-09 | 2016-10-13 | True Manufacturing Co., Inc. | Methods and apparatuses for controlling the harvest cycle of an ice maker using a harvest sensor and a temperature sensor |
| CN105509401A (en) * | 2015-12-15 | 2016-04-20 | 珠海格力电器股份有限公司 | Refrigerating system, cold storage transportation truck and cold storage transportation control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113983736A (en) | 2022-01-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110217071B (en) | Vehicle thermal management control system and control method | |
| JP2013023210A (en) | Vehicular heat pump system, and method of controlling the same | |
| JP2014051269A (en) | Heat pump system for vehicle and method of controlling the same | |
| CN2813357Y (en) | Vehicle seat refrigerating system | |
| US10207564B2 (en) | Vehicle air conditioner | |
| CN203671793U (en) | Air conditioner | |
| US20160153696A1 (en) | Vehicle air conditioner | |
| CN102767874A (en) | Cold-storage type automobile air conditioner system | |
| CN108357326B (en) | Automobile refrigeration system and control method thereof | |
| CN202022075U (en) | Air-conditioning system of electric automobile | |
| CN104197444A (en) | Air conditioner and refrigerated container integrated machine and operation control method thereof | |
| CN203478506U (en) | Cooling device for electronic control module of air conditioner outdoor unit | |
| CN113983736B (en) | Refrigeration system for vehicle-mounted refrigerator, control method, vehicle-mounted refrigerator and vehicle | |
| US20170361680A1 (en) | Vehicle air conditioning system | |
| CN104417322B (en) | Automotive air-conditioning system and there is its automobile | |
| CN109708373A (en) | Refrigerated compartment peculiar to vessel with semiconductor cooling device | |
| CN112249057B (en) | Operation control method for refrigeration mode of subway air conditioner at low temperature | |
| CN204115119U (en) | Air-conditioning and refrigerating box all-in-one | |
| CN111231769B (en) | Electric vehicle heat management method and system | |
| CN108344230A (en) | Anti-condensation refrigerator and its operation method | |
| JP6817787B2 (en) | Air conditioner | |
| CN103568775B (en) | Control method of automobile air-conditioning system and automobile air conditioner control system | |
| CN116215169A (en) | Vehicle-mounted refrigerating system with direct evaporator and cold accumulation module | |
| CN108001166A (en) | A kind of water-cooled automobile air-conditioning system | |
| CN210220331U (en) | Marine refrigeration cabin with semiconductor refrigeration device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |