CN212842115U

CN212842115U - Vehicle and remote control system of refrigerating unit thereof

Info

Publication number: CN212842115U
Application number: CN202021531421.4U
Authority: CN
Inventors: 彭国辉; 刘晖; 张先德
Original assignee: Zhengzhou Lingdong Electronic Technology Co ltd
Current assignee: Zhengzhou Lingdong Electronic Technology Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-03-30
Anticipated expiration: 2030-07-29

Abstract

The utility model relates to a vehicle and a remote control system of a refrigerating unit thereof, which comprises a cold control module and a remote communication module, wherein the cold control module comprises a refrigeration controller connected with equipment in the refrigerating unit, the remote communication module comprises a remote controller, and the refrigeration controller is in communication connection with the remote controller through an RS485 bus; the remote controller is connected with a positioning module and a wireless communication module, and the wireless communication module is connected with a cloud server. Due to the arrangement of the cloud server, operation and maintenance personnel can input signals through intelligent arrangement, for example, temperature is set, the remote controller transmits the signals to the refrigeration controller through the RS485 bus, and the refrigeration controller controls the working state of equipment in the refrigeration unit, so that the use is convenient. When a fault occurs in the operation process of the refrigerating unit, the remote communication module can transmit fault information to the cloud server at any time and push the fault information to the intelligent equipment, so that operation and maintenance personnel can conveniently monitor and operate and control the data of the refrigerating unit.

Description

Vehicle and remote control system of refrigerating unit thereof

Technical Field

The utility model belongs to the technical field of refrigerating unit control in the vehicle, concretely relates to vehicle and refrigerating unit's remote control system thereof.

Background

The refrigerating unit on the vehicle is used for controlling the temperature in the compartment, and the refrigerating unit can reduce the temperature in the compartment in the environment with higher temperature, so that the temperature in the compartment is kept at a proper degree, and further, the long-distance and short-distance cold chain transportation is realized.

The refrigeration unit control system on the existing vehicle can only control the refrigeration unit on the vehicle, so that the refrigeration unit on the vehicle can be switched on and off by a driver only by entering the vehicle, and the use is inconvenient. And operation and maintenance personnel can not monitor the data of the refrigerating unit control system in real time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a remote control system of a vehicle refrigerating unit, which solves the problems that the operation and maintenance personnel in the prior art can only operate on the vehicle, which causes inconvenient use and the operation and maintenance personnel can not monitor the data of the refrigerating unit control system in real time; and simultaneously, the utility model aims at still providing an use above-mentioned remote control system's vehicle.

In order to achieve the above object, the utility model discloses a vehicle refrigerating unit's remote control system adopts following technical scheme: a remote control system of a vehicle refrigerating unit comprises a refrigerating control module and a remote communication module which are arranged in a split mode, wherein the refrigerating control module comprises a refrigerating controller connected with equipment in the refrigerating unit and used for controlling the working state of the equipment in the refrigerating unit, the remote communication module comprises a remote controller, and the refrigerating controller is in communication connection with the remote controller through an RS485 bus; the remote controller is connected with a positioning module and a wireless communication module, and the wireless communication module is connected with a cloud server.

The positioning module comprises a GPS positioning module and/or a Beidou positioning module.

The wireless communication module adopts a GPRS communication module.

The utility model discloses a vehicle adopts following technical scheme: a vehicle comprises a carriage, a refrigerating unit and a remote control system, wherein equipment in the refrigerating unit comprises an air compressor, a condensing fan, an evaporating fan and a defrosting valve; the remote control system comprises a refrigeration control module and a remote communication module which are arranged in a split mode, the refrigeration control module comprises a refrigeration controller connected with equipment in the refrigeration unit and used for controlling the working state of the equipment in the refrigeration unit, the remote communication module comprises a remote controller, and the refrigeration controller is in communication connection with the remote controller through an RS485 bus; the remote controller is connected with a positioning module and a wireless communication module, and the wireless communication module is connected with a cloud server.

The wireless communication module adopts a GPRS communication module.

The refrigeration controller is also connected with a buzzer.

The utility model has the advantages that: due to the arrangement of the cloud server, operation and maintenance personnel can input signals through intelligent arrangement, for example, temperature is set, the remote controller transmits the signals to the refrigeration controller through the RS485 bus, and the refrigeration controller controls the working state of equipment in the refrigeration unit, so that the use is convenient. And when a fault occurs in the operation process of the refrigerating unit, the remote communication module can transmit fault information to the cloud server at any time and push the fault information to the intelligent equipment, so that operation and maintenance personnel can conveniently monitor and operate and control the data of the refrigerating unit.

Drawings

Fig. 1 is a schematic structural diagram of a remote control system of a refrigeration unit according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a configuration of a peripheral circuit of the refrigeration controller in fig. 1;

FIG. 3 is a schematic diagram of the construction of the air compressor, condensing fan, evaporating fan and defrost valve and refrigeration controller;

FIG. 4 is a schematic diagram of the structure of the connection of the low pressure detection sensor and the refrigeration controller;

FIG. 5 is a schematic diagram of the connection of the high-voltage detection sensor and the refrigeration controller;

FIG. 6 is a schematic diagram of the structure of the safing detection device;

FIG. 7 is a schematic diagram of the structure of a positioning module and a wireless communication module;

fig. 8 is a schematic diagram of the structure of the remote controller.

Detailed Description

An embodiment of a vehicle, as shown in fig. 1-8, includes a vehicle cabin, a refrigeration unit, and a remote control system. The equipment in the refrigerating unit comprises an air compressor, a condensing fan, an evaporating fan and a defrosting valve. The refrigeration unit is the prior art, and the specific structure thereof is not described in detail in the embodiment.

The remote control system provided by the embodiment has a structure as shown in fig. 1, and includes a refrigeration control module and a remote communication module which are separately arranged. The refrigeration control module comprises a refrigeration controller, and the refrigeration controller is connected with an air compressor, a condensing fan, an evaporating fan and a defrosting valve in the refrigeration unit and used for controlling the working state of equipment in the refrigeration unit. The remote communication module comprises a remote controller, the remote controller is connected with a wireless communication module and a positioning module, and the wireless communication module is connected with a cloud server. The refrigeration controller is in communication connection with the remote controller through an RS485 bus. The refrigeration controller is connected with a first RS485 communication interface, the remote controller is connected with a second RS485 communication interface, and the first RS communication interface is in communication connection with the second RS485 communication interface through an RS485 bus. In the whole process, the remote communication module periodically reads the data of the refrigeration controller through the RS485 bus and transmits the data to the cloud server for storage and analysis through the wireless communication module. When a fault occurs in the operation process of the refrigerating unit, the remote communication module can transmit fault information to the cloud server at any time and push the fault information to operation and maintenance personnel.

In this embodiment, the refrigeration controller is a single chip microcomputer of the model STM8S105S4, and its peripheral circuit is shown in fig. 2. The connection mode of the refrigeration controller with the air compressor, the condensation fan, the evaporation fan and the defroster is as shown in fig. 3, the refrigeration controller is connected with coil parts of relays K1, K2, K3 and K4 through an ULN2003A chip, contact parts of the relays K1, K2, K3 and K4 are respectively arranged on a line of power supply end connection power supplies of the air compressor, the condensation fan, the evaporator and the defroster, wherein D4, D6, D10 and D12 are diodes for follow current, and D5, D7, D11 and D13 are diodes for voltage stabilization.

The refrigeration controller is connected with a temperature sensor which is arranged in the carriage and used for detecting a temperature signal in the carriage and sending the temperature signal to the refrigeration controller.

The refrigeration controller is connected with a pressure sensor, the pressure sensor is arranged in a pipeline connected with the air compressor and comprises a low-pressure detection sensor and a high-pressure detection sensor, the low-pressure detection sensor and the high-pressure detection sensor are respectively connected with the refrigeration controller through a photoelectric coupler U2 and a photoelectric coupler U3, and the connection modes are respectively shown in fig. 4 and 5.

The refrigeration controller is also connected with a safety detection device, and the safety detection device is connected with the refrigeration controller through a photoelectric coupler U4 in a connection mode as shown in figure 6.

The positioning module adopts a GPS positioning module, the wireless communication module adopts a GPRS communication module, in this embodiment, a two-in-one chip SIM808 is used as the GPS positioning module and the GPRS communication module, and a peripheral circuit thereof is shown in fig. 7. The remote controller adopts a single chip microcomputer with the model number of STM8S208S6, and the peripheral circuit of the single chip microcomputer is shown in FIG. 8.

In the embodiment, the RS485 bus is adopted for signal transmission, the RS485 bus has the characteristics of low cost, good reliability, simple circuit and the like, almost all the MCU of the microcontroller have serial interfaces, and the deployment is very easy. Due to the arrangement of the cloud server, a user can monitor and remotely control data of the refrigerating unit through intelligent equipment (such as a mobile phone, a tablet and other intelligent equipment with a real-world function and an input function). The remote communication module transmits the position information to the cloud server through the positioning module of the remote communication module, so that a user can acquire the real-time position information of the vehicle, the historical position and the operation data can be checked and analyzed, and blind-spot-free monitoring of cold chain transportation is realized. Meanwhile, the fault information and the like of the refrigerating unit can be transmitted to the user, so that the user can realize remote fault analysis and diagnosis.

In other embodiments of the present invention, the GPS positioning module can be replaced by a beidou positioning module; and a GPS positioning module and a Beidou positioning module can also be arranged at the same time.

The utility model discloses a remote control system's of vehicle refrigerating unit embodiment is the same with the remote control system's in each embodiment of above-mentioned vehicle structure, and it is no longer repeated here.

Claims

1. A remote control system for a vehicle refrigeration unit, comprising: the refrigeration system comprises a refrigeration control module and a remote communication module which are arranged in a split mode, wherein the refrigeration control module comprises a refrigeration controller connected with equipment in a refrigeration unit and used for controlling the working state of the equipment in the refrigeration unit, the remote communication module comprises a remote controller, and the refrigeration controller is in communication connection with the remote controller through an RS485 bus; the remote controller is connected with a positioning module and a wireless communication module, and the wireless communication module is connected with a cloud server.

2. The remote control system for a vehicle refrigeration unit of claim 1, wherein: the positioning module comprises a GPS positioning module and/or a Beidou positioning module.

3. The remote control system for a vehicle refrigeration unit of claim 1, wherein: the wireless communication module adopts a GPRS communication module.

4. A vehicle comprises a carriage, a refrigerating unit and a remote control system, wherein equipment in the refrigerating unit comprises an air compressor, a condensing fan, an evaporating fan and a defrosting valve; the method is characterized in that: the remote control system comprises a refrigeration control module and a remote communication module which are arranged in a split mode, the refrigeration control module comprises a refrigeration controller connected with equipment in the refrigeration unit and used for controlling the working state of the equipment in the refrigeration unit, the remote communication module comprises a remote controller, and the refrigeration controller is in communication connection with the remote controller through an RS485 bus; the remote controller is connected with a positioning module and a wireless communication module, and the wireless communication module is connected with a cloud server.

5. The vehicle according to claim 4, characterized in that: the positioning module comprises a GPS positioning module and/or a Beidou positioning module.

6. The vehicle according to claim 4, characterized in that: the wireless communication module adopts a GPRS communication module.

7. The vehicle according to any one of claims 4-6, characterized in that: the refrigeration controller is also connected with a buzzer.