CN220911783U - Temperature control device for refrigerator car - Google Patents
Temperature control device for refrigerator car Download PDFInfo
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- CN220911783U CN220911783U CN202322134009.9U CN202322134009U CN220911783U CN 220911783 U CN220911783 U CN 220911783U CN 202322134009 U CN202322134009 U CN 202322134009U CN 220911783 U CN220911783 U CN 220911783U
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- monitoring unit
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- temperature monitoring
- compressor
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- 238000005057 refrigeration Methods 0.000 abstract description 3
- 241000531116 Blitum bonus-henricus Species 0.000 abstract 1
- 238000010257 thawing Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 244000138502 Chenopodium bonus henricus Species 0.000 description 2
- 244000144730 Amygdalus persica Species 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000013611 frozen food Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model discloses a temperature control device for a refrigerator car, which comprises a car-mounted control box, wherein the car-mounted control box is arranged in a cockpit, an LCD display screen and a setting key are arranged on the car-mounted control box, a car-mounted controller is arranged in the car-mounted control box, and the car-mounted controller is electrically connected with the LCD display screen and the setting key respectively; the vehicle-mounted controller is electrically connected with the first temperature monitoring unit and the second temperature monitoring unit respectively, the first temperature monitoring unit is arranged on the evaporator fins, and the second temperature monitoring unit is arranged in the refrigerating compartment. According to the utility model, the frosting temperature of the evaporating fins and the temperature in the carriage body can be monitored in real time by arranging the first temperature monitoring unit and the second temperature monitoring unit, and after the corresponding temperatures are reached, the working states of the compressor and the condenser can be quickly adjusted, so that the automatic frosting at the reaching temperature can be realized, the automatic frosting device is suitable for all goods needing insurance and refrigeration, and the effects of energy saving, time saving during cooling and simplicity in operation of a vehicle are realized.
Description
Technical Field
The utility model relates to the technical field of cold chain logistics transportation, in particular to a temperature control device for a refrigerator car.
Background
The cold chain logistics transportation mainly transports goods with higher temperature requirements, such as fresh food, frozen food and the like. In the prior art, the temperature control of the refrigerator car is usually realized by a refrigerating system and a heat preservation carriage, but in real life, some cargoes such as peaches, corns and the like which are directly pulled are fresh with relatively large heat, a large amount of heat and water vapor can be generated after the cargoes are filled into the closed carriage, so that the evaporator can generate a large amount of frosting in the cooling process, a common temperature control device senses the frosting and can trigger the defrosting function, and the evaporator starts to heat and defrost, so that the temperature in the refrigerator is partially increased, the energy consumption is increased, and the cooling speed is influenced.
Disclosure of utility model
Aiming at the technical problems that an evaporator frosts and starts to heat and defrost when fresh products are transported in the conventional refrigerator car, so that the temperature in the refrigerator car is increased, the energy consumption is increased, and the subsequent cooling speed is influenced at the same time, the utility model provides a temperature control device for the refrigerator car.
The utility model realizes the above purpose through the following technical scheme:
The temperature control device for the refrigerator car comprises a car-mounted control box, wherein the car-mounted control box is arranged in a cockpit, the car-mounted control box is electrically connected with a compressor outside the refrigerator car, the compressor is communicated with a condenser through a working medium pipeline, the condenser is communicated with an evaporator through a working medium pipeline, an LCD display screen and a setting key are arranged on the car-mounted control box, and a car-mounted controller is arranged in the car-mounted control box and is respectively electrically connected with the LCD display screen and the setting key; the vehicle-mounted controller is electrically connected with the first temperature monitoring unit and the second temperature monitoring unit respectively, the first temperature monitoring unit is arranged on the evaporator fins, and the second temperature monitoring unit is arranged in the refrigerating compartment.
Preferably, the first temperature monitoring unit comprises a first temperature probe, the second temperature monitoring unit comprises a second temperature probe, and the first temperature probe and the second temperature probe are respectively and electrically connected with the vehicle-mounted controller
Preferably, the first temperature probe is used for monitoring the temperature T1 of the evaporator fins, and when the temperature T1 is more than or equal to 0 ℃ or T1 is more than or equal to-1 ℃, the vehicle-mounted controller controls the compressor to stop, and simultaneously the condenser synchronously stops.
Preferably, the second temperature probe is used for monitoring the temperature T2 in the refrigerating compartment, and when the temperature T2 is more than or equal to 4 ℃ or T2 is more than or equal to 6 ℃, the vehicle-mounted controller controls the compressor to start, and simultaneously the condenser is synchronously started.
Compared with the prior art, the beneficial effects are that:
According to the utility model, the frosting temperature of the evaporating fins and the temperature in the compartment body can be monitored in real time by arranging the first temperature monitoring unit and the second temperature monitoring unit, when the first temperature monitoring unit monitors that the temperature of the evaporating fins reaches the set temperature, the compressor and the condenser are stopped, only the evaporator fan works to blow the frosting of the evaporating fins, and when the temperature in the compartment body gradually rises, the second temperature monitoring unit monitors that the temperature in the compartment body reaches the set temperature, the frosting on the evaporator fins is basically finished, the compressor and the condenser start to work, and the circulation is repeated, so that the frosting can be quickly cooled and automatically carried out, the frosting is suitable for all goods needing insurance and refrigeration, the effects of saving energy and time for cooling the vehicle are realized, the effect of simple operation is avoided, and the energy consumption is increased when the compartment body is cooled in the continuous heating defrosting process in the traditional temperature control mode.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic diagram of the operation of the present utility model.
Fig. 2 is a schematic structural view of the vehicle-mounted control box in the present utility model.
The reference numerals are explained as follows:
1 is a vehicle-mounted control box, 2 is an LCD display screen, 3 is a setting key, 4 is a vehicle-mounted controller, 5 is a compressor, 6 is a first temperature probe, and 7 is a second temperature probe.
Detailed Description
The technical scheme of the utility model is further explained below with reference to the accompanying drawings 1-2:
As shown in fig. 1-2, a temperature control device for a refrigerator car comprises a car-mounted control box 1, wherein the car-mounted control box 1 is installed in a cockpit, the car-mounted control box 1 is electrically connected with a compressor 5 outside the refrigerator car, the compressor 5 is communicated with a condenser through a working medium pipeline, and the condenser is communicated with an evaporator through a working medium pipeline. That is, at present, the refrigerating system on the refrigerator car mainly comprises a compressor, a condenser and an evaporator, wherein the compressor and the condenser are arranged outside the refrigerator car, the evaporator is arranged in the refrigerator car, the compressor, the condenser and the evaporator are communicated through a working medium pipeline, the vehicle-mounted control box is arranged in the cab, and people in the cab can know the temperature condition in the refrigerator car through the vehicle-mounted control box.
Specifically, as shown in fig. 1, the vehicle-mounted control box 1 is provided with an LCD display screen 2 and a setting key 3, the vehicle-mounted control box 1 is internally provided with a vehicle-mounted controller 4, and the vehicle-mounted controller 4 is electrically connected with the LCD display screen 2 and the setting key 3 respectively. That is, the vehicle-mounted control box in the cab is provided with an LCD display screen for displaying the temperature in the refrigerator, and a setting key for adjusting the defrosting and the start-stop temperature of the compressor in the refrigerator.
Specifically, the vehicle-mounted controller 4 is electrically connected with a first temperature monitoring unit and a second temperature monitoring unit respectively, the first temperature monitoring unit is arranged on the evaporator fins, and the second temperature monitoring unit is arranged in the refrigerating compartment. That is, the temperature change at the position of the evaporator fins is monitored in real time by the first temperature monitoring unit, the temperature change in the compartment body is monitored in real time by the second temperature monitoring unit, when the first temperature monitoring unit monitors that the temperature of the evaporator fins reaches the set temperature, the compressor and the condenser are stopped, only the evaporator fan works to blow the frost on the evaporator fins, when the temperature in the compartment body gradually rises, the second temperature monitoring unit monitors that the temperature in the compartment body reaches the set temperature, the frost on the evaporator fins is basically finished at the moment, the compressor and the condenser start to work, and the circulation is repeated in this way, so that the temperature can be quickly reduced, the frost is automatically formed to the temperature, the vehicle energy saving and time saving are realized, and the vehicle energy saving and the cooling are suitable for all goods needing insurance and refrigeration.
In some embodiments, as shown in fig. 2, the first temperature monitoring unit includes a first temperature probe 6, the second temperature monitoring unit includes a second temperature probe 7, and the first temperature probe 6 and the second temperature probe 7 are electrically connected to the in-vehicle controller 4, respectively. That is, the first temperature monitoring unit and the second temperature monitoring unit both adopt temperature probes, and in this embodiment, the temperature probes are DS18B20 temperature probes.
Specifically, the first temperature probe 6 is used for monitoring the temperature T1 of the evaporator fins, and when the temperature T1 is more than or equal to 0 ℃ or T1 is more than or equal to-1 ℃, the vehicle-mounted controller 4 controls the compressor 5 to stop, and simultaneously the condenser synchronously stops. That is, when the first temperature probe detects that the temperature at the position of the evaporator fins reaches 0 ℃ or above minus 1 ℃, the vehicle-mounted controller controls the compressor to stop, the condenser synchronously stops, only the fan in the evaporator runs at the moment, and the fan is utilized to blow the frost on the evaporator fins, so that the electric heating defrosting is not started at the moment.
Specifically, the second temperature probe 7 is used for monitoring the temperature T2 in the refrigerating compartment, and when the temperature T2 is greater than or equal to 4 ℃ or T2 is greater than or equal to 6 ℃, the vehicle-mounted controller 4 controls the compressor 5 to start, and simultaneously the condenser is synchronously started. That is, in the defrosting process of the evaporator fins, the temperature in the box body gradually rises, when the temperature in the box body rises to 4 ℃ or more than 6 ℃, the vehicle-mounted controller controls the compressor to start synchronously, the condenser operates synchronously, the evaporator starts to cool the box body, and the rapid cooling can be realized in the subsequent cooling stage due to the small temperature difference change range from defrosting to cooling, and the effects of energy saving, consumption reduction and time saving are achieved.
It should be noted that when fresh products are stored in the refrigerating compartment, the whole fresh-keeping compartment is in a fresh-keeping mode, the frosting temperature of the evaporating fins and the temperature in the compartment body can be monitored in real time by arranging the first temperature monitoring unit and the second temperature monitoring unit, when the first temperature monitoring unit monitors that the temperature of the evaporating fins reaches the set temperature, the compressor and the condenser are stopped, only the evaporator fan works to blow the frosting of the evaporating fins, and when the temperature in the compartment body gradually rises and the second temperature monitoring unit monitors that the temperature in the compartment body reaches the set temperature, the frosting on the evaporating fins is basically finished, the compressor and the condenser start to work, and the circulating is repeated in this way, so that the temperature can be quickly reduced and automatic frosting can be realized.
When frozen products are stored in the refrigerating compartment, namely the refrigerating compartment needs to be kept at zero, the compressor keeps running continuously and cannot be shut down.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (4)
1. The temperature control device for the refrigerator car comprises a car control box, wherein the car control box is arranged in a cockpit, the car control box is electrically connected with a compressor outside the refrigerator car, the compressor is communicated with a condenser through a working medium pipeline, and the condenser is communicated with an evaporator through a working medium pipeline; the vehicle-mounted controller is electrically connected with the first temperature monitoring unit and the second temperature monitoring unit respectively, the first temperature monitoring unit is arranged on the evaporator fins, the second temperature monitoring unit is arranged in the refrigerating compartment, when the first temperature monitoring unit monitors that the temperature of the evaporator fins reaches the set temperature, the compressor and the condenser are stopped, and when the second temperature monitoring unit monitors that the temperature in the compartment reaches the set temperature, the compressor and the condenser start to work.
2. The temperature control device for a refrigerator car according to claim 1, wherein the first temperature monitoring unit includes a first temperature probe, the second temperature monitoring unit includes a second temperature probe, and the first temperature probe and the second temperature probe are electrically connected to the in-vehicle controller, respectively.
3. The temperature control device for a refrigerator car according to claim 2, wherein the first temperature probe is used for monitoring the temperature T1 of the evaporator fins, and when the temperature T1 is more than or equal to 0 ℃ or T1 is more than or equal to minus 1 ℃, the vehicle-mounted controller controls the compressor to stop, and simultaneously the condenser is synchronously stopped.
4. The temperature control device for a refrigerator car according to claim 2, wherein the second temperature probe is used for monitoring the temperature T2 in the refrigerator compartment, and when the temperature T2 is more than or equal to 4 ℃ or T2 is more than or equal to 6 ℃, the vehicle-mounted controller controls the compressor to start, and simultaneously the condenser is synchronously started.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322134009.9U CN220911783U (en) | 2023-08-09 | 2023-08-09 | Temperature control device for refrigerator car |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322134009.9U CN220911783U (en) | 2023-08-09 | 2023-08-09 | Temperature control device for refrigerator car |
Publications (1)
Publication Number | Publication Date |
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CN220911783U true CN220911783U (en) | 2024-05-07 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202322134009.9U Active CN220911783U (en) | 2023-08-09 | 2023-08-09 | Temperature control device for refrigerator car |
Country Status (1)
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CN (1) | CN220911783U (en) |
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2023
- 2023-08-09 CN CN202322134009.9U patent/CN220911783U/en active Active
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