CN201716586U

CN201716586U - Truck-mounted temperature control and remote self-locking device of air-conditioning refrigerating truck

Info

Publication number: CN201716586U
Application number: CN2010202631284U
Authority: CN
Inventors: 李华
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-19
Filing date: 2010-07-19
Publication date: 2011-01-19
Anticipated expiration: 2020-07-19

Abstract

The utility model relates to a truck-mounted temperature control and remote self-locking device of an air-conditioning refrigerating truck which can implement remote control for the temperature of the air-conditioning refrigerating truck, realize unlocking and locking of a remote electronic door lock on the air-conditioning refrigerating truck by a main control center and ensure safe transportation of refrigerated goods in the low-temperature logistics industry. The technical scheme is as follows: the truck-mounted temperature control and remote self-locking device is characterized by comprising a central processing unit (CPU), a random access memory (RAM), a read only memory (ROM), a general packet radio service (GPRS) module, a global position system (GPS) global positioning module, a colored liquid crystal display (LCD) display screen, keys, an input end socket of an analog sensor, a control signal output socket of an electric lock of a container box, a serial port flash memory and an MAX485 chip, wherein the RAM, the ROM, the keys, the input end socket of the analog sensor, the control signal output socket of the electric lock of the container box, a serial port flash memory and the MAX485 chip are respectively connected with the CPU; and the colored LCD display screen, the GPRS module and, the GPS global positioning module are respectively connected with the CPU by level switching chips.

Description

Vehicle-mounted low temperature control of air-conditioning refrigerator wagon and long-range self-locking device

Technical field

The utility model belongs to vehicle-mounted temperature control equipment field, especially a kind ofly can implement Long-distance Control to air-conditioning refrigerator wagon temperature, and realize the electronic remote door interlock switch of Master Control Center to the air-conditioning refrigerator wagon, guarantee the vehicle-mounted temperature control of air-conditioning refrigerator wagon and the long-range self-locking device of REFC transportation safety in the low temperature logistics industry.

Background technology

Vehicle-mounted temperature control equipment commonly used now can't be implemented Long-distance Control to air-conditioning refrigerator wagon temperature, can't realize the electronic remote door interlock switch of Master Control Center to the air-conditioning refrigerator wagon, its key problem is that the randomness and the uncertainty of driver management is uncontrollable.

The utility model content

The purpose of this utility model provides a kind ofly can implement Long-distance Control to air-conditioning refrigerator wagon temperature, and realize the electronic remote door interlock switch of Master Control Center to the air-conditioning refrigerator wagon, guarantee the vehicle-mounted temperature control of air-conditioning refrigerator wagon and the long-range self-locking device of REFC transportation safety in the low temperature logistics industry.

The technical solution of the utility model is: vehicle-mounted temperature control of air-conditioning refrigerator wagon and long-range self-locking device, it is characterized in that by CPU, RAM, ROM, the GPRS module, GPS global location module, the color LCD display screen, button, the input end socket of analog sensor, the control signal output ends socket of cabinet case electric lock, serial flash memory, the MAX485 chip is formed, wherein, described RAM, ROM, button, the input end socket of analog sensor, the control signal output ends socket of cabinet case electric lock, serial flash memory, the MAX485 chip is connected with CPU respectively, described color LCD display screen, the GPRS module is connected with CPU by level transferring chip with GPS global location module.

Described CPU is 32 central processing units.

The interface of described serial flash memory and CPU is the SPI agreement, contains MOSI, MISO and SCK, and the GPIO signal of CPU selects nCS as sheet, is used for information on the storage cart.

Effect of the present utility model is: the utility model is vehicle-mounted temperature control equipment, this apparatus features is that air-conditioning refrigerator wagon temperature is implemented Long-distance Control, and realize the electronic remote door interlock switch of Master Control Center to the air-conditioning refrigerator wagon, guarantee REFC transportation safety in the low temperature logistics industry.This device is supported the function of master-control room server to air-conditioning refrigerator wagon GPS location, data acquisition, record, management, and the air-conditioning refrigerator wagon is carried out the air-conditioner temperature adjustment; Its core point is that the computing machine that driver management becomes Master Control Center is managed automatically, bicycle management becoming fleet management.Be suitable for using in the low temperature logistics field.

Below in conjunction with drawings and Examples the utility model is described further.

Description of drawings

Fig. 1 is circuit theory diagrams of the present utility model;

Fig. 2 is the mounting structure figure of the utility model on the low temperature lorry;

Fig. 3 is the utility model application state synoptic diagram;

Fig. 4 is a workflow diagram of the present utility model.

Embodiment

Among Fig. 1, vehicle-mounted temperature control of air-conditioning refrigerator wagon and long-range self-locking device, by CPU, RAM, ROM, the GPRS module, GPS global location module, the color LCD display screen, button, the input end socket of analog sensor, the control signal output ends socket of cabinet case electric lock, serial flash memory, the MAX485 chip is formed, wherein, described RAM, ROM, button, the input end socket of analog sensor, the control signal output ends socket of cabinet case electric lock, serial flash memory, the MAX485 chip is connected with CPU respectively, described color LCD display screen, the GPRS module is connected with CPU by level transferring chip with GPS global location module.CPU is 32 central processing units.The interface of serial flash memory and CPU is the SPI agreement, contains MOSI, MISO and SCK, and the GPIO signal of CPU selects nCS as sheet, is used for information on the storage cart.

Have read/write memory RAM and read-only memory ROM and be respectively applied for application storing and system firmware (Firmware) and operating system (Operating Systems);

Three couples of I/O UART TX1, UART TX2 of the UART serial ports of CPU, UART TX3, UART RX1, UART RX2, UART RX3 pass through RS232 level conversion IC chip respectively, as common binary channels MAX232, connect wireless GPRS module, GPS global location module and color LCD display screen after the switching levels;

5 button S1 in the design, S2, S3, S4, S5 connect the GPIO3-GPIO10 of CPU respectively as the control button input to the color LCD display screen;

Analog-to-digital 5 input port AD0-AD4 of CPU are as the input end of analog sensor, and its circumscription socket is J1-J5;

The GPIO1 of CPU, GPIO2 are as the control signal of CPU output terminal to the cabinet case electric lock, and its output interface is J6, and process 2-to-4 coding can be finished the Control work to 4 electric locks;

Adopted serial flash memory (serial flash) among the design, with the interface of CPU be the SPI agreement, contain MOSI (main go out from going into), MISO (main go into from going out), SCK (clock), the GPIO signal of CPU selects nCS as sheet, in order to information on the storage cart;

Adopted the MAX485 chip among the design, GPIO9, the GPIO10 of CPU are attached thereto, and realize supporting 485 communications.

This device major function is:

1, temperature information real-time radio in GPS information, air conditioner work state information, the cabinet case is transferred to the master-control room server;

2, the supervisory instruction with the master-control room server is transferred to the mobile base station, implements the control to air conditioner, and reaches the temperature controlling in the cabinet case by the control to air conditioner;

3, with of the switch control of master-control room server to the electric lock of cabinet case.

Among Fig. 2,21 is the wireless mobile base station in the low temperature truck cab, this base station connects the temperature sensor 22.1 of 3 distributed placements in the cabinet case and is placed on the air conditioner refrigerating device air intake opening respectively and the temperature sensor 23.1 of position, gas outlet by the mode of wired connection, wireless mobile base station in the pilothouse is uploaded to the master-control room server with the pairing gps data of the run location of this car, gives the master-control room server with the data upload of temperature sensor simultaneously.According to the data of uploading, the master-control room server carries out remote auto control by software for operating low temperature lorry, promptly the operation of air-conditioner situation is carried out control operation by master-control room, according to the temperature parameter of setting, the master-control room server software sends instruction to operating low temperature car mobile base station, adjust the air conditioner duty, simultaneously the electronic control lock 22.2 that is installed on cabinet case is carried out the long-range control operation that opens or closes.

Among Fig. 3,31 is the pilothouse part of low temperature lorry, and 31.1 for being installed on the wireless mobile base station in the pilothouse, the mutual communication in wireless base station in the GPRS of this base station and telecommunications or the 3G wireless telecommunications infrastructure; 32 is the cabinet case of low temperature lorry; 32.1 be 3 distributed temperature sensors that are positioned in the cabinet case; 32.2 be the electronic control lock of cabinet case; 33 is air conditioner refrigerating device; 33.1, obtain air inlet temperature and air outlet temperature respectively for being placed on the temperature sensor of air conditioner refrigerating device air intake opening and position, gas outlet respectively; 34 is the wireless base station in the telecommunications wireless communication infrastructure; 35 is the broadband netting twine that the telecommunications wireless base station is connected with IP network; 36 is metropolitan area or wide area IP network; 37 for connecting the IP broadband network of master-control room server; 38 is the master-control room server.

Among Fig. 4,1 for to judge whether the master-control room server requires to read information such as GPS, temperature, refrigeration machine and electronic lock, in this way, enters module 2, and then vehicle-mounted mobile base station just sends GPS, information such as temperature and refrigeration machine, electronic lock; Otherwise enter module 3, judge whether that the master-control room server sends the signal of control refrigeration machine or electric lock, in this way, then enter module 4, implement to move for the control and management of related device by vehicle-mounted mobile base station; After finishing relevant control and management action, enter module 5, read GPS by vehicle-mounted mobile base station, temperature, refrigeration machine, information such as electronic lock; Get back to module 2 then, vehicle-mounted mobile base station sends GPS, and information such as temperature and refrigeration machine, electronic lock are to master-control room; When module 3 judges whether that the result that the master-control room server sends the signal of control refrigeration machine or electric lock is a "No", then enter module 6, judge whether to finish the master-control room communication as not, is then entered module 5, carry out data read and delivery cycle.Finish communication is then finished in the master-control room communication if module is judged, system communication stops.

Claims

1. the vehicle-mounted temperature of air-conditioning refrigerator wagon is controlled and long-range self-locking device, it is characterized in that by CPU, RAM, ROM, the GPRS module, GPS global location module, the color LCD display screen, button, the input end socket of analog sensor, the control signal output ends socket of cabinet case electric lock, serial flash memory, the MAX485 chip is formed, wherein, described RAM, ROM, button, the input end socket of analog sensor, the control signal output ends socket of cabinet case electric lock, serial flash memory, the MAX485 chip is connected with CPU respectively, described color LCD display screen, the GPRS module is connected with CPU by level transferring chip with GPS global location module.

2. vehicle-mounted temperature control of air-conditioning refrigerator wagon according to claim 1 and long-range self-locking device is characterized in that described CPU is 32 central processing units.

3. vehicle-mounted temperature control of air-conditioning refrigerator wagon according to claim 1 and long-range self-locking device, the interface that it is characterized in that described serial flash memory and CPU is the SPI agreement, contain MOSI, MISO and SCK, the GPIO signal of CPU selects nCS as sheet, is used for information on the storage cart.