CN205230313U - A monitor terminal for cold chain monitoring - Google Patents

A monitor terminal for cold chain monitoring Download PDF

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Publication number
CN205230313U
CN205230313U CN201520906599.5U CN201520906599U CN205230313U CN 205230313 U CN205230313 U CN 205230313U CN 201520906599 U CN201520906599 U CN 201520906599U CN 205230313 U CN205230313 U CN 205230313U
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China
Prior art keywords
module
monitoring
monitoring terminal
cold chain
microcontroller
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CN201520906599.5U
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Chinese (zh)
Inventor
刘伟
张放
蒋韬
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Tianjin Chuanhai Xuntong Technology Co Ltd
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Tianjin Chuanhai Xuntong Technology Co Ltd
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Abstract

The utility model discloses a monitor terminal for cold chain monitoring, including a microcontroller, microcontroller links to each other with GPS module, GPRS module, wiFi module, display module, memory chip, a temperature sensor, the 2nd temperature sensor, change over switch, alarm module respectively, microcontroller still is connected with USB - TTL conversion module.

Description

For the monitoring terminal of cold chain monitoring
Technical field
The utility model belongs to remote temperature supervisory control system technical field, relates in particular to a kind of monitoring terminal for cold chain monitoring.
Background technology
Cold chain refers at low ambient temperatures to the processing of product, storage, transport and dispensing, to ensure Product quality and safety, antipollution supply chain system, and the accuracy of temperature monitoring and real-time are the important evidence of design cold chain monitoring equipment, are also the important indicators evaluating the preservation of cold chain product.Traditional cold chain monitoring method mainly drops into human cost, carry out record, this method poor effect, and efficiency is low, can not monitor for 24 hours in the artificial mode of patrolling.
The general data transmission mode of current temperature Monitoring in Cold Chain equipment has: wire transmission and single wireless transmission.Wired mode need have the auxiliary of trunking to carry out data transmission, and needs field wiring, and transmission range is short, if trunking produces fault, then all devices all cannot carry out data communication, the poor and equipment fluctuation of service of result of use; Single wireless transmission mode can improve Cold Chain Circulation rate, but equipment is by the impact of spaced geographic locations, and after equipment exceeds wireless signal area covering, monitoring equipment cannot carry out network connection, can not carry out data transmission.Therefore these two kinds of transmission modes are very limited in application.Along with the universal of internet and the development of wireless communication technique, Basic characteristics monitoring system is tending towards wireless penetration and web development.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of monitoring terminal for cold chain monitoring.
The utility model is achieved through the following technical solutions:
A kind of monitoring terminal for cold chain monitoring, comprise a microcontroller, microcontroller is connected with GPS module, GPRS module, WiFi module, display module, storage chip, the first temperature sensor, the second temperature sensor, change-over switch, alarm module respectively; Described microcontroller is also connected with USB-TTL modular converter.
In technique scheme, microcontroller model is MB9AF156R.
In technique scheme, described GPRS module model is that G3524, G3524 and MB9AF156R carry out communication by serial ports connection.
In technique scheme, described WIFI module model is that T3118, T3118 and MB9AF156R carry out communication by serial ports connection.
In technique scheme, described GPS module model is N0616.
In technique scheme, described display module selects HT1622 chip, and HT1622 chip connects LCD display.
In technique scheme, monitoring terminal also comprises supply module, and supply module comprises a main control chip MCP73871, and MCP73871 is connected with lithium ion/lithium polymer battery, and MCP73871 is also connected with ac-dc wall-power supply adaptor or USB port; The main control chip MCP73871 of supply module is connected with voltage stabilizing chip MCP1702, MCP1755, MCP1826 respectively.Further MCP1702 is connected with microcontroller, and MCP1755 is connected with GPS module, and MCP1826 is connected with WIFI module.
The operation method of monitoring terminal is as follows:
Microcontroller MB9AF156 program initialization after monitoring terminal powers on, master routine runs, MB9AF156 starts to detect the gps data that each input interface signal: MB9AF156 reads GPS module collection, MB9AF156 selects the first temperature sensor input conducting by the state (low and high level state) detecting change-over switch or selects the second temperature sensor input conducting simultaneously, and the temperature signal of reading is sent on display module with displays temperature data, then the gps data of reading and temperature data are stored on storage chip by MB9AF156, and the gps data of record and temperature data are transferred to the server of remote control terminal by WiFi module or GPRS module, when GPRS and WiFi network signal exist simultaneously, any one network environment can be selected by button, the data of storage are sent to the server of remote control terminal, when only having GPRS or WiFi signal, the data of storage are sent to the server of remote control terminal by monitoring terminal by the network signal in current connection, when monitoring terminal does not connect upper any network signal, monitoring terminal still carries out gps data and temperature data, and the data of record are stored, when monitoring terminal reconnects upper any network signal, will the data stored under network environment do not had to resend server to remote control terminal before by network.Or microcontroller carries out wired connection by USB-TTL modular converter and external unit (pc), will record statistical conversion.
Advantage of the present utility model and beneficial effect are:
The first, adopt advanced ARMCortex-M3 to be that control core made by the MB9AF156R processor of kernel, improve stability and the sensitivity of whole monitoring terminal, strengthen storage capacity, reduce monitoring terminal power consumption.
The second, monitoring terminal has multiple powering mode, comprises powered battery, and portable power source and power supply adaptor are powered, and can charge to internal cell, adds the serviceable life of monitoring terminal, and can be used for long-time remote cold chain monitoring.
3rd, monitoring terminal has two channel Temperature Measuring passages, switches selector channel by button; Inside has GPS, GPRS and Wi-Fi module, and the temperature data of record and gps coordinate information can be sent to remote control terminal by GPRS or Wi-Fi, GPRS and Wi-Fi can select according to network environment.
4th, monitoring terminal comprises the module such as microcontroller, temperature sensor, liquid crystal display, storage chip, GPS, GPRS and Wi-Fi.This monitoring terminal volume is little, is easy to carry, and uses simple to operate.
5th, monitoring terminal has warning function, after the temperature collected exceedes design temperature, can send sound and light alarm at the scene.
6th, the microcontroller of monitoring terminal can carry out wired connection with external unit when needed easily by USB-TTL modular converter, thus easily by the statistical conversion in monitoring terminal, and monitoring terminal is upgraded and arranges.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the circuit diagram of microcontroller of the present utility model.
Fig. 3 is the circuit diagram of GPRS module of the present utility model.
Fig. 4 is the circuit diagram of WIFI module of the present utility model.
Fig. 5 is the circuit diagram of GPS module of the present utility model.
Fig. 6 is the circuit diagram of display module of the present utility model.
Fig. 7 is the circuit diagram of the main control chip MCP73871 of supply module of the present utility model.
Fig. 8 is the circuit diagram of the voltage stabilizing chip MCP1702 of supply module of the present utility model.
Fig. 9 is the circuit diagram of the voltage stabilizing chip MCP1755 of supply module of the present utility model.
Figure 10 is the circuit diagram of the voltage stabilizing chip MCP1826 of supply module of the present utility model.
Embodiment
The technical solution of the utility model is further illustrated below in conjunction with specific embodiment.
As shown in Figure 1, the intelligent cold chain monitoring total management system involved by the utility model comprises monitoring terminal and remote control terminal.
Described monitoring terminal comprises a microcontroller, and microcontroller is connected with GPS module, GPRS module, WiFi module, display module, storage chip, the first temperature sensor, the second temperature sensor, change-over switch, alarm module respectively; Described microcontroller is also connected with USB-TTL modular converter, connecting communication (be connected when needing, can disconnect when not needing) can be carried out with external unit (pc client) easily by USB-TTL modular converter microcontroller.Monitoring terminal can pass through change-over switch (button) and select thermometric passage (namely selecting to be the first temperature sensor work or the second temperature sensor work of selection by change-over switch), after thermometric passage is determined, the temperature data collected to be stored on storage chip and to show on display module by temperature sensor, monitoring terminal is by GPS module record Current GPS data simultaneously, and by the gps data of record and temperature data, by WiFi or GPRS transmission, to the server of remote control terminal, (two kinds of communication modes can be selected according to actual conditions, monitoring terminal can any switching laws two channel Temperature Measuring passage in thermometric process), then the data received are sent to host computer (PC) and mobile phone (APP) by server by remote control terminal, namely monitoring and remote monitor in real time can be realized.
As shown in Figure 2, monitoring terminal builds embedded system overhead control platform using MB9AF156R single-chip microcomputer as microcontroller.The running controlling monitoring terminal is responsible for by MB9AF156R single-chip microcomputer.Described MB9AF156R is based on ARMCortex-M3,32 highly integrated 8-digit microcontrollers, its frequency of operation is 40MHz, there are 100 pins, its outstanding advantage has 8 road serial ports, requires (GPS module, GPRS module and WIFI module and MB9AF156R single-chip microcomputer all adopt serial ports to be connected) to meet MB9AF156R with the serial communication of GPS module, GPRS module and WIFI module.
As shown in Figure 3, described GPRS module model is that G3524, G3524 and MB9AF156R carry out communication by serial ports connection, and see Fig. 2 and Fig. 3, its concrete connected mode is as follows:
MB9AF156, P53 connect G3524, TXD (21 pin);
MB9AF156, P54 connect G3524, RXD (22 pin);
MB9AF156, P36 connect G3524, DBG-TXD (15 pin);
MB9AF156, P37 connect G3524, DBG-RXD (14 pin);
MB9AF156, P30 connect G3524, EMERG-OFF (11 pin);
MB9AF156, P31 connect G3524, DTR (20 pin).
As shown in Figure 4, described WIFI module model is that T3118, T3118 and MB9AF156R carry out communication by serial ports connection, and see Fig. 2 and Fig. 4, its concrete connected mode is as follows:
MB9AF156, P3D connect T3118, AT_UART_RXD (T3118-33 pin);
MB9AF156, P3C connect T3118, AT_UART_TXD (T3118-34 pin);
MB9AF156, P3A connect T3118, DBG_RXD (T3118-35 pin);
MB9AF156, P39 connect T3118, DBG_TXD (T3118-36 pin).
As shown in Figure 5, described GPS module model is N0616, and GPS module is responsible for collection position information, and N0616 and MB9AF156R is connected by serial ports, and see Fig. 2 and Fig. 5, its concrete connected mode is as follows:
MB9AF156,87 connect N0616, RXD1 (N0616-21 pin);
MB9AF156,88 connect N0616, TXD1 (N0616-20 pin).
As shown in Figure 6, described display module selects HT1622 chip, and HT1622 chip connects LCD display, see the concrete connected mode of Fig. 2 and Fig. 6, HT1622 and MB9AF156R as follows its:
MB9AF156, P61 connect HT1622-1 pin;
MB9AF156, P62 connect HT1622-3 pin;
MB9AF156, P63 connect HT1622-4 pin.
The model of described first temperature sensor and the second sensor is DS18B20.
Described alarm module comprises an audible-visual alarm lamp.
Monitoring terminal in the utility model also comprises supply module, as shown in Figure 7, supply module comprises a main control chip MCP73871, MCP73871 is connected with lithium ion/lithium polymer battery (in figure, BA+ is connected the positive pole of ion/lithium polymer battery), MCP73871 is also connected with ac-dc wall-power supply adaptor or USB port, by ac-dc wall-power supply adaptor or USB port, lithium ion/lithium polymer battery is charged, also can be powered for system load by ac-dc wall-power supply adaptor or USB port.
MCP73871 can select to be supplied to the power supply that system load is powered automatically, and namely MCP73871 can select lithium ion/lithium polymer battery or input power (ac-dc wall-power supply adaptor or USB port) to power for system load automatically.Wherein, MCP73871 meets the current drain restriction that USB specification specifies completely; And when MCP73871 adopts ac-dc wall-power supply adaptor to system power supply, the maximum amplitude of charging current can be set to 1A by non-essential resistance, back-up system load and battery charge sum the electric current of 1.8A can be less than or equal to.
As seen in figs. 8-10, the main control chip MCP73871 of supply module is connected with voltage stabilizing chip MCP1702, MCP1755, MCP1826 respectively, MCP1702, MCP1755, MCP1826 are connected with microcontroller (MCU), GPS module, WIFI module respectively, thus be embodied as microcontroller (MCU), GPS module, WIFI module power.
Circuit diagram 7-10 label declaration: VIN:ac-dc wall-power supply adaptor positive pole, BA+: anode, MCUVDD: microcontroller (MCU) positive source, WIFIVDD:WIFI modular power source positive pole, GPSVDD:GPS modular power source positive pole.
Operation logic of the present utility model is as follows:
Microcontroller MB9AF156 program initialization after monitoring terminal powers on, master routine runs, MB9AF156 starts to detect the gps data that each input interface signal: MB9AF156 reads GPS module collection, MB9AF156 selects the first temperature sensor input conducting by the state (low and high level state) detecting change-over switch or selects the second temperature sensor input conducting simultaneously, and the temperature signal of reading is sent on display module with displays temperature data, then the gps data of reading and temperature data are stored on storage chip by MB9AF156, and the gps data of record and temperature data are transferred to the server of remote control terminal by WiFi module or GPRS module, when GPRS and WiFi network signal exist simultaneously, any one network environment can be selected by button, the data of storage are sent to the server of remote control terminal, when only having GPRS or WiFi signal, the data of storage are sent to the server of remote control terminal by monitoring terminal by the network signal in current connection, when monitoring terminal does not connect upper any network signal, monitoring terminal still carries out gps data and temperature data, and the data of record are stored, when monitoring terminal reconnects upper any network signal, will the data stored under network environment do not had to resend server to remote control terminal before by network.Or microcontroller carries out wired connection by USB-TTL modular converter and external unit (pc), will record statistical conversion.
Above exemplary description is done to the utility model; should be noted that; when not departing from core of the present utility model, any simple distortion, amendment or other those skilled in the art can not spend the equivalent replacement of creative work all to fall into protection domain of the present utility model.

Claims (8)

1. the monitoring terminal for cold chain monitoring, it is characterized in that: comprise a microcontroller, microcontroller is connected with GPS module, GPRS module, WiFi module, display module, storage chip, the first temperature sensor, the second temperature sensor, change-over switch, alarm module respectively; Described microcontroller is also connected with USB-TTL modular converter.
2. the monitoring terminal for cold chain monitoring according to claim 1, is characterized in that: microcontroller model is MB9AF156R.
3. the monitoring terminal for cold chain monitoring according to claim 2, is characterized in that: described GPRS module model is that G3524, G3524 and MB9AF156R are connected by serial ports.
4. the monitoring terminal for cold chain monitoring according to claim 2, is characterized in that: described WIFI module model is that T3118, T3118 and MB9AF156R are connected by serial ports.
5. the monitoring terminal for cold chain monitoring according to claim 1, is characterized in that: described GPS module model is N0616.
6. the monitoring terminal for cold chain monitoring according to claim 1, is characterized in that: described display module selects HT1622 chip, and HT1622 chip connects LCD display.
7. the monitoring terminal for cold chain monitoring according to claim 1, it is characterized in that: monitoring terminal also comprises supply module, supply module comprises a main control chip MCP73871, MCP73871 is connected with lithium ion/lithium polymer battery, and MCP73871 is also connected with ac-dc wall-power supply adaptor or USB port; The main control chip MCP73871 of supply module is connected with voltage stabilizing chip MCP1702, MCP1755, MCP1826 respectively.
8. the monitoring terminal for cold chain monitoring according to claim 7, it is characterized in that: MCP1702 is connected with microcontroller, MCP1755 is connected with GPS module, and MCP1826 is connected with WIFI module.
CN201520906599.5U 2015-11-13 2015-11-13 A monitor terminal for cold chain monitoring Active CN205230313U (en)

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Application Number Priority Date Filing Date Title
CN201520906599.5U CN205230313U (en) 2015-11-13 2015-11-13 A monitor terminal for cold chain monitoring

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110896286A (en) * 2018-09-11 2020-03-20 深圳市国王科技有限公司 Numerical control sine high-voltage ion power supply device of cold chain refrigeration house

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110896286A (en) * 2018-09-11 2020-03-20 深圳市国王科技有限公司 Numerical control sine high-voltage ion power supply device of cold chain refrigeration house

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