CN202929503U - Cold-chain equipment temperature-humidity monitoring system - Google Patents
Cold-chain equipment temperature-humidity monitoring system Download PDFInfo
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- CN202929503U CN202929503U CN 201220380431 CN201220380431U CN202929503U CN 202929503 U CN202929503 U CN 202929503U CN 201220380431 CN201220380431 CN 201220380431 CN 201220380431 U CN201220380431 U CN 201220380431U CN 202929503 U CN202929503 U CN 202929503U
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Abstract
A cold-chain equipment temperature-humidity monitoring system provided by the utility model comprises a temperature-humidity collector, a wireless signal receiver, a monitoring PC machine and a mobile terminal. The temperature-humidity collector communicates with the wireless signal receiver through a wireless ISM network. The wireless signal receiver and the monitoring PC machine are connected through a RS232 interface. The monitoring PC machine is also connected with a GSM alarm through the RS232 interface. The GSM alarm can send alarm information to the mobile terminal through a GSM network. The communication method comprises: a, temperature-humidity collection; b, temperature-humidity temporary storage and forwarding; c, detection of temperature-humidity information; d, transmission of information to the GSM alarm; and e, transmission of information to the mobile terminal. By the adoption of the system provided by the utility model, collection, storage and judgment of temperature-humidity information of a cold-chain system are realized. When temperature-humidity exceeds a specified value, a sound-light alarm can be generated and a message is sent such that a worker can handle the alarm condition so as to maintain safety of cold-chain products to the maximum. Deterioration of drugs and vaccines is prevented, and quality of drugs and vaccines is guaranteed.
Description
Technical field
The utility model relates to a kind of cold chain equipment temperature and humidity monitoring system, in particular, relates in particular to a kind of cold chain equipment temperature and humidity monitoring system that humiture collection, alarm decision and note are reminded that integrates.
Background technology
Cold chain (cold chain) refers to that perishable items is after place of production purchase or fishing for, in product processing, storage, transportation, distribution and retail until in consumer's hand, its links is under the necessary low temperature environment of product all the time, to guarantee Safety of Food Quality, reduce loss, antipollution special supply chain system.
Temperature is a very important parameter in cold chain system, especially for production, transportation and the preservation of medicine, vaccine, within only guaranteeing that it is in rational temperature range, just can guarantee its quality.If can carry out record to the whole process supervision data of medicine, vaccine, and continuous temperature information arranged, make reasonable estimation in order to whether its residing environment temperature is exceeded standard, reduce the existing inaccurate unnecessary loss that causes of estimating, infer, prevent that medicine, vaccine from occuring rotten, guarantee medicine, vaccine quality.To the detection of cold chain system, also there is no a perfect supervisory system of cover with regard at present.
Summary of the invention
The utility model provides a kind of cold chain equipment temperature and humidity monitoring system that humiture collection, alarm decision and note are reminded that integrates in order to overcome the shortcoming of above-mentioned technical matters.
Cold chain equipment temperature and humidity monitoring system of the present utility model, its special feature is: comprise the mobile terminal that refrigerating equipment is carried out the humiture collection device of information acquisition, the wireless signal receiver for concentrated collection humiture data, the monitoring PC of realizing data message preservation and processing and reception warning message, described humiture collection device and wireless signal receiver carry out communication by wireless ISM network, and wireless signal receiver is connected by the RS232 interface with the monitoring PC; Described monitoring PC also is connected with the GSM alarm by the RS232 interface, and the GSM alarm can send warning message to mobile terminal by the GSM network.
Refrigerating equipment can be the device with low temperature hold function of any form; The humiture collection device can be realized the collection of temperature, moisture signal, and the information exchange that gathers is crossed wireless network is sent in wireless signal receiver.Wireless signal receiver can carry out information acquisition to a plurality of humiture collection devices in regional extent, and the information that gathers is uploaded to the monitoring PC; The monitoring PC is stored the data message that receives, and whether humiture is in the scope of regulation and judges, if exceed setting, send warning message to the GSM alarm, the GSM alarm will be sent to mobile terminal for information about, notify corresponding personnel.Whole supervisory system has not only effectively realized collection, wireless transmission, the long preservation of humiture information, but also can produce alerting signal by the GSM network.
Cold chain equipment temperature and humidity monitoring system of the present utility model, described refrigerating equipment is refrigerator, refrigerator-freezer or reefer; Described ISM network is the 443MHz wireless network, and described monitoring PC also is connected with sound and light alarm equipment and printing device.443MHz is wireless, and the ISM network is free wave band, does not produce communication expense; Can produce obvious alarm signal by sound and light alarm equipment.
Cold chain equipment temperature and humidity monitoring system of the present utility model, described humiture collection device comprises microcontroller, clock circuit and power module; The input port of microcontroller is connected with multiplex temperature collection circuit, multiway humidity Acquisition Circuit and address encoding circuit, and multiplex temperature collection circuit, multiway humidity Acquisition Circuit are connected with temperature sensor, humidity sensor respectively; Microcontroller also is connected with the wireless signal transceiver module of realizing data transmit-receive.Address encoding circuit is encoded to the humiture collection device, in order to different humiture collection devices is distinguished; Temperature sensor, humidity sensor are placed in the inside of refrigerating equipment, in order to realize that humiture detects.The humiture collection device is by the communication of wireless signal transceiver module realization with wireless signal receiver.
Cold chain equipment temperature and humidity monitoring system of the present utility model, also comprise forced resetting circuit and working state indicating circuit, working state indicating circuit is comprised of light emitting diode, the timing chip that the forced resetting circuit is comprised of 7555 chips, the output terminal of 7555 chips is connected with the reseting port of microcontroller; Described address encoding circuit is comprised of 6 toggle switchs.Want to realize the real-time communication of humiture collection device and wireless signal receiver, the watchdog circuit that only relies on chip is inadequate; By the forced resetting circuit is set, can regularly arouse the humiture collection device in running order.Adopt 6 toggle switchs, can carry out to the humiture collection device 0～63 numerical coding.
Cold chain equipment temperature and humidity monitoring system of the present utility model also comprises the power sense circuit that detects for the power supply to the humiture collection device, and this power sense circuit is comprised of chip LM385.Power sense circuit is set, when the power supply energy of humiture collection device is not enough, can in time reminds the user of service.
Cold chain equipment temperature and humidity monitoring system of the present utility model, described wireless signal receiver comprises microcontroller, clock circuit, power module, key-press module and data-carrier store, key-press module, data-carrier store all are connected with microcontroller; Described microcontroller also be connected with realize with the wireless signal transceiver module of humiture collection device communication, with the RS232 communication module of monitoring PC communication, microcontroller by fast light be coupled circuit with latch refresh circuit and be connected with digital pipe display circuit.
The effect of microcontroller implementation data sampling and processing and control output, key-press module is used for realizing setting parameter; Data-carrier store achieves a butt joint and receives the temporary of data.Wireless signal receiver is by the communication of wireless signal transceiver module realization with the humiture collection device, by the communication of RS232 communication module realization with the monitoring PC; Digital pipe display circuit can show the humiture information on the refrigerating equipment that collects in real time, latchs refresh circuit and realizes latching of digital pipe display circuit data and refresh.
Cold chain equipment temperature and humidity monitoring system of the present utility model, described microcontroller also is connected with working state indicating circuit and outputting circuit for relay, and outputting circuit for relay forms by solid-state relay with triode that relay coil is in series; Described data-carrier store, RS232 communication module are comprised of chip 24C512, MAX232 chip respectively, fast light coupling circuit and latch refresh circuit and form by two High-Speed Coupled Device 6N137 chips.Outputting circuit for relay can be connected with the refrigeration pipe on relevant device, in order to regulate the temperature in refrigeration plant.
the beneficial effects of the utility model are: cold chain equipment temperature and humidity monitoring system of the present utility model, by the humiture collection device that can carry out wireless data transceiving is set, concentrate the wireless signal receiver of Information Monitoring and the monitoring PC that is used for data operation and processing, and the GSM alarm that communicates with PC and be used for receiving the mobile terminal that the GSM alarm sends warning message, effectively realized the collection to cold chain system humiture information, storage and judgement, when on-the-spot refrigerating equipment humiture surpasses setting, can remind the Related Work personnel by the form that sound and light alarm and note are sent to mobile terminal, be convenient in time alarm condition be dealt with, safeguarded to greatest extent the safety of cold chain product.
Specifically, there is following advantage in cold chain equipment temperature and humidity monitoring system of the present utility model: (1) humiture information Real-Time Monitoring, demonstration to each reefer; The data display format of monitoring PC is various, such as form, real-time curve etc.; (2) effective, unified integration wired, wireless, GPRS multiple communication modes, can realize chummery, different floor, different building, different refrigerator, the unified temperature monitoring of refrigerator-freezer in local; And adopt the wireless ISM network of 433MHz, without communication fee; (3) can carry out the Multipoint synchronous monitoring to the temperature information of same refrigerating equipment or freezer, reduce difference; (4) automatically record the temperature information of every refrigerating equipment, need not manually to make a copy of, but the temperature variation in the quick-frozen of accurate recording reefer, access procedure also, to guarantee the quality of medicine, vaccine; (5) by with the networking of monitoring PC, support C/S, B/S remote access, except Surveillance center, can also check in relevant section office, the synchronous Real Time Monitoring of department, historical data, report printing etc.
Description of drawings
Fig. 1 is the schematic diagram of cold chain equipment temperature and humidity monitoring system of the present utility model;
Fig. 2 is the schematic diagram of humiture collection device in the utility model;
Fig. 3 is the schematic diagram of wireless signal receiver in the utility model;
Fig. 4, Fig. 5 and Fig. 6 are the circuit diagram of humiture collection device in the utility model;
Fig. 7, Fig. 8 and Fig. 9 are the circuit diagram of wireless signal receiver in the utility model.
in figure: 1 refrigerating equipment, 2 humiture collection devices, 3 mobile terminals, 4 wireless signal receivers, 5 monitoring PCs, 6 GSM alarms, 7 wireless ISM networks, 8 printing device, 9 microcontrollers, 10 multiplex temperature collection circuit, 11 multiway humidity Acquisition Circuit, 12 temperature sensors, 13 humidity sensors, 14 address encoding circuits, 15 wireless signal transceiver modules, 16 working state indicating circuits, 17 forced resetting circuit, 18 microcontrollers, 19 key-press modules, 20 wireless signal transceiver modules, 21 data-carrier stores, 22 RS232 communication modules, 23 fast light coupling circuit, 24 digital pipe display circuits, 25 latch refresh circuit, 26 working state indicating circuits, 27 outputting circuit for relays.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and embodiment.
As shown in Figure 1, provided the schematic diagram of cold chain equipment temperature and humidity monitoring system of the present utility model, it comprises refrigerating equipment 1, humiture collection device 2, mobile terminal 3, wireless signal receiver 4, monitoring PC 5, GSM alarm 6, wireless ISM network 7, printing device 8; Refrigerating equipment 1 can be refrigerator, refrigerator-freezer or reefer, is used for depositing the article of medicine, vaccine or other need cold chain transportation.Humiture collection device 2 is used for gathering temperature, the humidity information of refrigerating equipment 1, and Temperature sampler 2 is sent to by wireless ISM network 7 temperature, the humidity information that gathers in wireless signal receiver 4.Wireless signal receiver 4 can receive the information that different humiture collection devices 2 send; Wireless signal receiver 4 is connected with monitoring PC 5 by the RS232 bus, in order to the humiture information that receives is in time transferred to monitoring PC 5.Monitoring PC 5 is realized computing, the processing of data and is judged the whether effect of super scope of humiture; On the monitoring PC, operation has corresponding application software, can the humiture information that receive be shown with forms such as form, real-time curves, and supports C/S, B/S remote access.
Monitoring PC 5 also can connect sound and light alarm equipment, when the monitoring PC is judged humiture over after specialized range, not only can report to the police by sound and light alarm equipment, but also can be sent to warning message in GSM alarm 6, GSM alarm 6 is in refrigerating equipment 1 information, warning reason that warning message will occur by the GSM network are sent to mobile terminal 3, in order in time remind corresponding staff that warning is handled it; Mobile terminal 3 can adopt mobile phone.Monitoring PC 5 also is connected with printing device 8, to printing related data.
Above-mentioned cold chain equipment temperature and humidity monitoring system by wireless ISM network, has been realized the same acquisition and processing to many refrigerating equipment 1 humiture information, without communication fee; Also can warning message be sent on mobile phone by the GSM network, realize the timely reception and registration of warning message, be convenient in time warning be handled it.
As shown in Figure 2, the circuit theory diagrams of humiture collection device 2 of the present utility model have been provided, Fig. 4, Fig. 5 and Fig. 6 have provided concrete circuit diagram, and it comprises microcontroller 9, multiplex temperature collection circuit 10, multiway humidity Acquisition Circuit 11, temperature sensor 12, humidity sensor 13, address encoding circuit 14, wireless signal transceiver module 15, working state indicating circuit 16, forced resetting circuit 17; Shown microcontroller 9 realizes that signals collecting, data are processed and the control output action, and it can adopt signal is the single-chip microcomputer of STC12C5412AD model.The input end of multiplex temperature collection circuit 10, multiway humidity Acquisition Circuit 11 is connected with temperature sensor 12, humidity sensor 13 respectively, output terminal is connected with the input port of microcontroller 9, in order to the temperature-humidity signal that gathers is input in microcontroller 9; In shown multiplex temperature collection circuit 10, also be provided with one tunnel circuit that is used for self temperature acquisition.
The circuit structure of above-mentioned humiture collection device 2 has been realized the radio transmission-receiving function of humiture collection, self geocoding and data effectively.
As shown in Figure 3, the circuit theory diagrams of wireless signal receiver 4 in the utility model have been provided, Fig. 7, Fig. 8 and Fig. 9 have provided concrete circuit diagram, and it comprises microcontroller 18, clock circuit, power module, key-press module 19, wireless signal transceiver module 20, data-carrier store 21, RS232 communication module 22, fast light coupling circuit 23, digital pipe display circuit 24, latchs refresh circuit 25, working state indicating circuit 26 and outputting circuit for relay 24; Clock circuit and power module provide respectively pulse clock and electric energy, guarantee the normal operation of microcontroller 18; Microcontroller 18 can adopt the STC89LE54 single-chip microcomputer.Key-press module 19 is used for realizing the parameter setting, data-carrier store 21 is used for realizing the temporary of humiture information, it preserves timeliness can carry out each setting between 1～10 day, when wireless signal receiver 4 can't communicate with monitoring PC 5, can carry out the temporary of humiture information, in order to avoid loss of data.Wireless signal receiver 4 is by the communication of wireless signal transceiver module 20 realizations with humiture collection device 2, in order to receive the humiture information of refrigerating equipment 1.
Above-mentioned wireless signal receiver 4 has not only been realized collection, demonstration to the wireless data of humiture collection device 2 transmissions, but also it can be uploaded to monitoring PC 5, in order to further process.
Cold chain equipment temperature and humidity monitoring system of the present utility model can be applicable to the temperature monitoring that the blood such as storehouse to be checked, (1) blood station, warehouse for finished product, one-tenth branch store refrigerator, refrigerator-freezer; (2) temperature monitoring of the refrigerators such as Quality Control Dept., clinical laboratory, storehouse, refrigerator-freezer; (3) pharmaceutical factory, hospital store the temperature monitoring of refrigerator, refrigerator-freezer; (4) adopt, send blood car car refrigerator temperature detection; (5) medicine, vaccine car refrigerator temperature detection.
The means of communication of cold chain equipment temperature and humidity monitoring system of the present utility model comprise the following steps:
A. humiture collection, humiture collection device 2 sends temperature, the moisture signal in the refrigerating equipment 1 that gathers by wireless signal transceiver module 15;
B. humiture is kept in, is forwarded, wireless signal receiver 4 receives by wireless signal transceiver module 20 temperature-humidity signal that is sent by the humiture collection device, at first it is temporary in data-carrier store 21, then by RS232 communication module 22, it is uploaded to monitoring PC 5; In this step, the temporary time of 4 pairs of temperature-humidity signal of wireless signal receiver can be set between to 10 at 1 day;
C. the storage of humiture information, humiture information that the monitoring PC will receive, that sent by wireless signal receiver is stored, and generates corresponding data layout, in order to the use of inquiry;
D. the detection of humiture information, the monitoring PC often receives the information of a humiture collection device, will judge respectively temperature, humidity information, judges that whether it has exceeded set upper limit value and lower limit, if do not exceed, does not deal with; If exceeded the upper limit value and lower limit value of regulation, order about sound and light alarm equipment and send the sound and light alarm signal, and execution in step e; In this step, the upper limit value and lower limit value of temperature alarming can be respectively+and 155 ℃ ,-55 ℃.
E. send information to the GSM alarm, the monitoring PC is sent in GSM alarm 6 by Position Number, the warning reason that the wire communication form will produce the humiture collection device of reporting to the police;
F. send information to mobile terminal, the GSM alarm is sent to mobile terminal by the GSM network with the warning message that it receives, in order to notify corresponding personnel.
Cold chain equipment temperature and humidity monitoring system of the present utility model and the means of communication have realized the monitoring to products such as responsive to temperature sex pill, vaccines effectively; Utilize cold chain temperature Real Time Monitoring and early warning mechanism, reduced the rotten loss of cold items, can determine effectively whether the environment temperature of cold items exceeds standard, reduced and estimate and infer the unnecessary loss that causes, prevent that medicine, vaccine from occuring rotten, guarantee medicine, vaccine quality.
Claims (7)
1. cold chain equipment temperature and humidity monitoring system, it is characterized in that: comprise the mobile terminal (3) that refrigerating equipment (1) is carried out the humiture collection device (2) of information acquisition, the wireless signal receiver (4) for concentrated collection humiture data, the monitoring PC (5) of realizing data message preservation and processing and reception warning message, described humiture collection device and wireless signal receiver carry out communication by wireless ISM network, and wireless signal receiver is connected by the RS232 interface with the monitoring PC; Described monitoring PC also is connected with GSM alarm (6) by the RS232 interface, and the GSM alarm can send warning message to mobile terminal (3) by the GSM network.
2. cold chain equipment temperature and humidity monitoring system according to claim 1, it is characterized in that: described refrigerating equipment is refrigerator, refrigerator-freezer or reefer; Described ISM network is the 443MHz wireless network, and described monitoring PC also is connected with sound and light alarm equipment and printing device (8).
3. cold chain equipment temperature and humidity monitoring system according to claim 1 and 2, it is characterized in that: described humiture collection device (2) comprises microcontroller (9), clock circuit and power module; The input port of microcontroller is connected with multiplex temperature collection circuit (10), multiway humidity Acquisition Circuit (11) and address encoding circuit (14), and multiplex temperature collection circuit, multiway humidity Acquisition Circuit are connected with temperature sensor, humidity sensor respectively; Microcontroller also is connected with the wireless signal transceiver module of realizing data transmit-receive.
4. cold chain equipment temperature and humidity monitoring system according to claim 3, it is characterized in that: also comprise forced resetting circuit (17) and working state indicating circuit (16), working state indicating circuit is comprised of light emitting diode, the timing chip that the forced resetting circuit is comprised of 7555 chips, the output terminal of 7555 chips is connected with the reseting port of microcontroller; Described address encoding circuit (14) is comprised of 6 toggle switchs.
5. cold chain equipment temperature and humidity monitoring system according to claim 4 is characterized in that: also comprise the power sense circuit that detects for the power supply to humiture collection device (2), this power sense circuit is comprised of chip LM385.
6. cold chain equipment temperature and humidity monitoring system according to claim 1 and 2, it is characterized in that: described wireless signal receiver (4) comprises microcontroller (18), clock circuit, power module, key-press module (19) and data-carrier store (20), and key-press module, data-carrier store all are connected with microcontroller; Described microcontroller also be connected with realize with the wireless signal transceiver module (20) of humiture collection device communication, with the RS232 communication module (22) of monitoring PC (5) communication, microcontroller is by be coupled circuit (23) and latch refresh circuit (25) and be connected with digital pipe display circuit (24) of fast light.
7. cold chain equipment temperature and humidity monitoring system according to claim 6, it is characterized in that: described microcontroller also is connected with working state indicating circuit (26) and outputting circuit for relay (27), and outputting circuit for relay forms by solid-state relay with triode that relay coil is in series; Described data-carrier store (21), RS232 communication module (22) are comprised of chip 24C512, MAX232 chip respectively, fast light coupling circuit (23) and latch refresh circuit (25) and form by two High-Speed Coupled Device 6N137 chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220380431 CN202929503U (en) | 2012-08-02 | 2012-08-02 | Cold-chain equipment temperature-humidity monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220380431 CN202929503U (en) | 2012-08-02 | 2012-08-02 | Cold-chain equipment temperature-humidity monitoring system |
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| CN202929503U true CN202929503U (en) | 2013-05-08 |
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| CN 201220380431 Expired - Fee Related CN202929503U (en) | 2012-08-02 | 2012-08-02 | Cold-chain equipment temperature-humidity monitoring system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818592A (en) * | 2012-08-02 | 2012-12-12 | 滨州学院 | Temperature and humidity monitoring system and communication method of cold-chain equipment |
| CN103487149A (en) * | 2013-08-27 | 2014-01-01 | 北京华海隆科技有限公司 | Wireless embedded temperature detecting device |
| CN109060035A (en) * | 2018-08-28 | 2018-12-21 | 重庆大学 | Internet of Things intelligence sensor |
| CN115063955A (en) * | 2022-06-21 | 2022-09-16 | 青岛合启立智能科技有限公司 | Cold chain platform alarm control system and alarm method |
-
2012
- 2012-08-02 CN CN 201220380431 patent/CN202929503U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818592A (en) * | 2012-08-02 | 2012-12-12 | 滨州学院 | Temperature and humidity monitoring system and communication method of cold-chain equipment |
| CN103487149A (en) * | 2013-08-27 | 2014-01-01 | 北京华海隆科技有限公司 | Wireless embedded temperature detecting device |
| CN109060035A (en) * | 2018-08-28 | 2018-12-21 | 重庆大学 | Internet of Things intelligence sensor |
| CN115063955A (en) * | 2022-06-21 | 2022-09-16 | 青岛合启立智能科技有限公司 | Cold chain platform alarm control system and alarm method |
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Granted publication date: 20130508 Termination date: 20130802 |