CN210881831U - Refrigerating system, refrigerator car and distribution subassembly - Google Patents
Refrigerating system, refrigerator car and distribution subassembly Download PDFInfo
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- CN210881831U CN210881831U CN201921586431.5U CN201921586431U CN210881831U CN 210881831 U CN210881831 U CN 210881831U CN 201921586431 U CN201921586431 U CN 201921586431U CN 210881831 U CN210881831 U CN 210881831U
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Abstract
The utility model provides a refrigerating system, refrigerator car and distribution subassembly, refrigerating system include compressor, condenser, reservoir and evaporimeter, still including the cold-storage device of connecting compressor and reservoir, and the pipeline of cold-storage device and the pipeline of evaporimeter are parallelly connected. The utility model provides a refrigerating system, compared with the prior art, the utility model discloses an parallelly connected refrigerant of evaporimeter and cold-storage device gets into the condenser after being compressed in the compressor and condenses, the liquid refrigerant of high temperature high pressure after the condensation in order to get into the reservoir. After intermediate treatment, one path of liquid refrigerant enters an evaporator to directly release cold energy for refrigeration; and the other path enters a cold accumulation device, and can exchange heat with cold accumulation materials in the cold accumulation device to release cold energy to the cold accumulation device. The cold accumulation device is subjected to cold accumulation and cold release according to time intervals, and the corresponding national power grid calls for 'peak load shifting'.
Description
Technical Field
The utility model belongs to the technical field of the refrigerator car, more specifically say, relate to a refrigerating system, refrigerator car and distribution subassembly.
Background
The main type of the transportation refrigeration refrigerating unit in the market at present is to drive an open compressor by a vehicle (or independent) engine for refrigeration, and a few units drive a full electric compressor to operate by electric energy provided by a vehicle-mounted generator set.
At present, with the increasing national requirements on energy conservation and emission reduction, the proportion of new energy automobiles in the automobile industry is rapidly increased.
However, the current vehicle-mounted battery technology is not mature enough, and the endurance mileage is always a pain point in the electric automobile industry. For the new energy refrigerator car, the compressor of the new energy refrigerator car is completely driven by electric energy provided by the vehicle-mounted battery, and the endurance mileage of the new energy refrigerator car can be further shortened.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a refrigerating system, refrigerator car and distribution subassembly to solve the refrigerator car battery continuation of the journey not enough problem that exists among the prior art.
In order to achieve the above object, the utility model adopts the following technical scheme: the refrigeration system comprises a compressor, a condenser, a liquid accumulator and an evaporator, and further comprises a cold accumulation device connected with the compressor and the liquid accumulator, wherein a pipeline of the cold accumulation device is connected with a pipeline of the evaporator in parallel.
Furthermore, the pipeline where the cold accumulation device is located and the pipeline where the evaporator is located are both provided with electromagnetic valves for switching the cold accumulation mode.
Further, a one-way valve is arranged on a pipeline of the cold accumulation device connected with the compressor.
Furthermore, a drying filter is arranged on a pipeline connecting the liquid storage device and the cold accumulation device, and a suction filter is arranged on a pipeline connecting the compressor, the cold accumulation device and the evaporator.
Furthermore, a liquid supply stop valve is arranged on a pipeline connecting the liquid storage device and the cold accumulation device, and an air suction stop valve is arranged on a pipeline connecting the evaporator and the compressor.
Furthermore, an electronic expansion valve is arranged on a pipeline connecting the liquid storage device, the cold accumulation device and the evaporator.
Another object of the utility model is to provide a refrigerator car, refrigerator car is including storing up battery and above-mentioned refrigerating system.
Another object of the utility model is to provide a distribution subassembly of refrigerator car adopts the storage battery to supply power for the refrigerator car under the driving condition, quotes external power supply and supplies power for under the refrigerator car stop state respectively. The distribution assembly comprises an electric energy management box, the refrigerator car is in a running state, the storage battery transmits electric energy to the electric energy management box, the electric energy management box comprises a high-voltage electrical box and a controller, and the controller controls the high-voltage electrical box to distribute the electric energy.
Further, if the refrigerator car is in a driving state, the storage battery transmits electric energy to the electric energy management box, the electric energy management box comprises a high-voltage electric appliance box and a controller, and the controller controls the high-voltage electric appliance box to distribute the electric energy.
Further, the electric energy management box also comprises an inverter connected with the high-voltage electrical box; the high-voltage electrical box directly supplies one part of electric energy to a vehicle driving system, converts the other part of electric energy into alternating current through an inverter, and accesses the alternating current to an alternating current wiring board of the high-voltage electrical box to supply power for a high-voltage load.
Further, if the refrigerator car is in a stop state, when the controller detects that the external power supply is input, the controller cuts off the connection between the storage battery and the vehicle driving system through the high-voltage electrical box and connects the external power supply to deliver electric energy to all loads.
The utility model provides a refrigerating system's beneficial effect lies in: compared with the prior art, the utility model discloses an parallelly connected refrigerant of evaporimeter and cold-storage device gets into the condenser after being compressed in the compressor and condenses, the liquid refrigerant of high temperature high pressure after the condensation in order to get into the reservoir. After intermediate treatment, one path of liquid refrigerant enters an evaporator to directly release cold energy for refrigeration; and the other path enters a cold accumulation device, and can exchange heat with cold accumulation materials in the cold accumulation device to release cold energy to the cold accumulation device. The cold accumulation device is subjected to cold accumulation and cold release according to time intervals, and the corresponding national power grid calls for 'peak load shifting'.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic diagram of an explosion structure of a refrigeration system according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a power distribution scheme of a refrigerator car according to an embodiment of the present invention.
Wherein, in the drawings, the reference numerals are mainly as follows:
1. a compressor; 2. a condenser; 3. a reservoir; 4. an evaporator; 5. a cold storage device; 6. an electromagnetic valve; 7. a one-way valve; 8. drying the filter; 9. a liquid supply stop valve; 10. a suction stop valve; 11. an intake filter; 12. an electronic expansion valve.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, a refrigeration system according to an embodiment of the present invention will now be described. The refrigerating system comprises a compressor 1, a condenser 2, a liquid storage device 3 and an evaporator 4. Also included are a cold storage device 5 and an evaporator 4. The cold accumulation device 5 is communicated with the compressor 1 and the liquid storage device 3, and a pipeline where the evaporator 4 is arranged is connected with a pipeline of the cold accumulation device 5 in parallel.
The utility model provides a refrigerating system compares with prior art, has adopted evaporimeter 4 and the parallelly connected refrigerant of cold-storage device 5 to get into condenser 2 and condense after being compressed in compressor 1, the liquid refrigerant of high temperature high pressure after the condensation is in order to get into reservoir 3. After intermediate treatment, one path of liquid refrigerant enters the evaporator 4 to directly release cold energy for refrigeration; the other path enters the cold accumulation device 5, and can exchange heat with cold accumulation materials in the cold accumulation device 5 to release cold energy to the cold accumulation device 5. The cold accumulation device 5 is subjected to cold accumulation and cold release according to time intervals, and the corresponding national power grid calls for 'peak load shifting'.
Further, referring to fig. 1, as a specific embodiment of the refrigeration system provided by the present invention, the pipeline where the cold storage device 5 is located and the pipeline where the evaporator 4 is located are both provided with electromagnetic valves 6. The switching of the cooling mode is realized by opening and closing the solenoid valve 6. (1) And when the electromagnetic valve 6 on the pipeline where the evaporator 4 is positioned is opened and the electromagnetic valve 6 on the pipeline where the cold accumulation device 5 is positioned is closed, the unit refrigerates. (2) When the electromagnetic valve 6 on the pipeline where the evaporator 4 is located is closed and the electromagnetic valve 6 on the pipeline where the cold storage device 5 is located is opened, the cold storage device 5 stores cold. (3) And the electromagnetic valve 6 on the pipeline where the evaporator 4 is located is closed, the electromagnetic valve 6 on the pipeline where the cold accumulation device 5 is located is closed, and then the fan on the cold accumulation device 5 is opened. (4) And the electromagnetic valve 6 on the pipeline where the evaporator 4 is positioned is opened, and the electromagnetic valve 6 on the pipeline where the cold accumulation device 5 is positioned is opened, so that the unit refrigeration and cold accumulation device 5 accumulates cold.
Further, referring to fig. 1, as a specific embodiment of the refrigeration system provided by the present invention, a check valve 7 is disposed on a pipeline connecting the cold storage device 5 and the compressor 1. The refrigerant flow direction of the cold accumulation device 5 of the compressor 1 is single, so that the refrigerant is prevented from reversely interfering with each other.
Further, referring to fig. 1, as a specific embodiment of the refrigeration system provided by the present invention, a dry filter 8 is disposed on a pipeline connecting the liquid storage device 3, the cold storage device 5 and the evaporator 4. The dry filter 8 is arranged between the cold accumulation device 5 or the evaporator 4 and the liquid storage device 3, and is used for drying and filtering the refrigerant in the cold accumulation or refrigeration process. An air suction filter 11 is arranged on a pipeline of the compressor 1 connecting the cold accumulation device 5 and the evaporator 4. The suction filter 11 is used to filter the refrigerant flowing from the evaporator 4 or the cold storage device 5 to prevent interference with the compressor 1.
Further, referring to fig. 1, as a specific embodiment of the refrigeration system provided by the present invention, a liquid supply stop valve 9 is disposed on a pipeline connecting the liquid storage device 3, the cold storage device 5 and the evaporator 4. The liquid supply stop valve 9 is used for controlling the liquid supply of the liquid storage device 3 to the cold accumulation device 5 and the evaporator 4. The piping connecting the evaporator 4 and the compressor 1 is provided with a suction cutoff valve 10. The suction cutoff valve 10 is used to control the suction of the compressor 1 from the evaporator 4.
Further, referring to fig. 1, as a specific embodiment of the refrigeration system provided by the present invention, an electronic expansion valve 12 is disposed on the pipeline connecting the liquid storage device 3 and the cold storage device 5.
In addition, the utility model discloses a refrigerating system, if need heat, then change cold-storage device 5 into heat accumulation device, the process of heat accumulation and the process of cold-storage are reciprocal.
The utility model also provides a refrigerator car, refrigerator car is including storing up battery and above-mentioned refrigerating system.
Referring to fig. 2, the present invention further provides a power distribution assembly of a refrigerator car, wherein the power distribution scheme of the power distribution assembly includes the following steps: the storage battery and the external power supply are respectively used for supplying power to the refrigerator car in a running state and a stopping state. When the refrigerator car is in a running state, the electric energy consumption of the whole refrigerator car is completely provided by the storage battery. When the refrigerator car is in a stop state, the power system of the car does not need electric energy, most of the electric loads are from the unit of the refrigerating system, the gas short storage battery supplies power at the moment, and the external power supply is adopted to directly supply power to all the loads of the unit.
Further, if the refrigerator car is in a running state, the storage battery transmits electric energy to the high-voltage electrical box, and the high-voltage electrical box distributes the electric energy.
Further, if the refrigerator car is in a running state, a part of the belt energy is directly supplied to a vehicle driving system by the high-voltage electrical box so as to provide power for the vehicle. And the other part of electric energy is converted into alternating current through an inverter and then is connected to an alternating current wiring board of the high-voltage electrical box. The wires are connected from the alternating current wiring board to supply power to high-voltage loads such as the compressor 1 and the fan. The power management box also comprises a controller, wherein the controller in the power management box is connected with the high-voltage electrical box through two cables, one of the two cables is used as a power transmission channel from the high-voltage electrical box to the controller, and the other cable is used as a control loop for connecting the controller to the high-voltage electrical box. The temperature sensing bulb, the sensor, the electromagnetic coil and the like are connected to the controller. The cab control panel is connected with the controller in the electric energy management box by a communication cable to transmit an operation instruction.
Further, if the refrigerator car is in a stop state, when the controller detects that the external power supply is input, the controller sends a signal to control the storage battery and the vehicle driving system to be disconnected, and the external power supply directly transmits electric energy to all loads. Specifically, when the refrigerator car is in a stop state, the power system of the vehicle does not need electric energy, and most of the electric loads come from the refrigerator-freezer unit, so that the power supply of the storage battery can be cut off at the stage. An external power frequency power supply is adopted to directly supply power to all loads of the refrigerating unit. When the controller detects that a power frequency power supply is input, a signal is sent out immediately to control the disconnection of a contactor between the storage battery and a vehicle power system. Because the power frequency power supply is completely adopted for supplying power, the consumption of the power battery can be reduced, the endurance mileage of the new energy refrigerator car is improved, the power frequency power supply and the storage battery form interlocking, the vehicle is prevented from being started to run when the refrigerator car is externally connected with the power supply, and the use safety of the vehicle is effectively improved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A refrigeration system comprising a compressor, a condenser, a reservoir and an evaporator, characterized in that: the cold accumulation device is connected with the compressor and the liquid accumulator, and a pipeline of the cold accumulation device is connected with a pipeline of the evaporator in parallel.
2. The refrigeration system of claim 1 wherein: and the pipeline where the cold accumulation device is arranged and the pipeline where the evaporator is arranged are provided with electromagnetic valves for switching cold accumulation modes.
3. The refrigeration system of claim 1 wherein: and a one-way valve is arranged on a pipeline of the cold accumulation device connected with the compressor.
4. The refrigeration system of claim 1 wherein: the pipeline that the reservoir is connected with the cold accumulation device is provided with a dry filter, and the pipeline that the compressor is connected with the cold accumulation device and the evaporator is provided with an air suction filter.
5. The refrigeration system of claim 1 wherein: the liquid storage device is connected with the cold accumulation device through a pipeline, a liquid supply stop valve is arranged on the pipeline, and the evaporator is connected with the compressor through a pipeline, and an air suction stop valve is arranged on the pipeline.
6. The refrigeration system of claim 1 wherein: and an electronic expansion valve is arranged on a pipeline connecting the liquid storage device and the cold accumulation device.
7. A refrigerated vehicle comprising a storage battery, characterized in that: comprising a refrigeration system according to any of claims 1 to 6.
8. A power distribution assembly for a refrigerated vehicle, comprising: the refrigerator car of claim 7 is powered by a storage battery in a driving state, an external power supply is used for respectively powering the refrigerator car in a stopping state, the power distribution assembly comprises a power management box, the storage battery supplies power to the power management box when the refrigerator car is in the driving state, the power management box comprises a high-voltage electrical box and a controller, and the controller controls the high-voltage electrical box to distribute the power.
9. The power distribution assembly of claim 8, wherein: the electric energy management box also comprises an inverter connected with the high-voltage electrical box; the high-voltage electrical box directly supplies one part of electric energy to a vehicle driving system, converts the other part of electric energy into alternating current through an inverter, and accesses the alternating current to an alternating current wiring board of the high-voltage electrical box to supply power for a high-voltage load.
10. The power distribution assembly of claim 9, wherein: when the refrigerator car is in a stop state, and the controller detects that the external power supply is input, the controller cuts off the connection between the storage battery and the vehicle driving system through the high-voltage electrical box and switches on the external power supply to transmit electric energy to all loads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921586431.5U CN210881831U (en) | 2019-09-23 | 2019-09-23 | Refrigerating system, refrigerator car and distribution subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921586431.5U CN210881831U (en) | 2019-09-23 | 2019-09-23 | Refrigerating system, refrigerator car and distribution subassembly |
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| Publication Number | Publication Date |
|---|---|
| CN210881831U true CN210881831U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921586431.5U Active CN210881831U (en) | 2019-09-23 | 2019-09-23 | Refrigerating system, refrigerator car and distribution subassembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110525317A (en) * | 2019-09-23 | 2019-12-03 | 珠海格力电器股份有限公司 | Refrigeration system, refrigerator car and scheme of electric power |
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2019
- 2019-09-23 CN CN201921586431.5U patent/CN210881831U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110525317A (en) * | 2019-09-23 | 2019-12-03 | 珠海格力电器股份有限公司 | Refrigeration system, refrigerator car and scheme of electric power |
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