CN202485809U - Temperature data collection device - Google Patents
Temperature data collection device Download PDFInfo
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- CN202485809U CN202485809U CN2012201247116U CN201220124711U CN202485809U CN 202485809 U CN202485809 U CN 202485809U CN 2012201247116 U CN2012201247116 U CN 2012201247116U CN 201220124711 U CN201220124711 U CN 201220124711U CN 202485809 U CN202485809 U CN 202485809U
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- temperature
- data acquisition
- temperature data
- module
- acquisition device
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Abstract
The utility model discloses a temperature data collection device which comprises an industry control computer and a data collector. The data collector is connected with a plurality of thermistors used for detecting temperature signals, wireless signal transmitting and receiving devices are arranged in the industry control computer and the data collector, and the industry control computer is provided with an input module for receiving manual instructions and a temperature data processing system for processing, outputting and displaying temperature data. A wireless mode is adopted for connection of the industry control computer and the data collection of the temperature data collection device, and therefore the temperature data collection device can achieve wireless detection of the temperature of a refrigerator. Through one temperature data box, a plurality of refrigerators can be tested simultaneously and therefore the temperature data collection device has great significance for performance judgment of refrigerators, and R&D and test of products.
Description
Technical field
The utility model relates to a kind of temperature data acquisition device, more particularly, relates to a kind of temperature data acquisition device that is usually used in the refrigerator Performance Detection.
Background technology
Refrigeration is the Core Feature of refrigerator, is refrigerator product requisite one link of before sales that come into the market to the factory inspection of refrigeration performance.The program that detects of dispatching from the factory of existing refrigerator refrigeration performance is after refrigerator gets into detection line; In refrigerator, arrange point for measuring temperature; Point for measuring temperature connects the outside temperature data acquisition device of refrigerator; According to the certain detection order and the time interval, the temperature data of industrial computer reading temperature data harvester detects refrigeration performance and judges by the requirement of dispatching from the factory.Present refrigerator temperature data collector and industrial computer all adopt the wired connection mode; Industrial computer and the general apart from each other of temperature data acquisition device make that connecting line is long and it is unobstructed to need comparatively ideal cabling scheme of design just can make the detection place comparatively neatly, not influence the passageway.Another shortcoming of this mode is that the performance judgment and the monitoring and detection process of refrigerator needs on-the-spot special messenger's operation on detection line; Checkout equipment can not move; Particularly for the experimental test of development; Must move chamber to detection scene, bring very big inconvenience for research staff's experimental study work.
The utility model content
The technical matters that the utility model will solve is, to the deficiency that above-mentioned prior art exists, provide a kind of detection data accurately, detecting operation easily, portable temperature data acquisition device, improve the detection efficiency of refrigerator temperature.
The technical scheme that the utility model adopts is: a kind of temperature data acquisition device; Comprise industrial computer, data acquisition unit; Said data acquisition unit is connected with a plurality of thermistors that are used for the detected temperatures signal; In said industrial computer and data acquisition unit, be provided with the signal sending and receiving apparatus of wireless transmission, the load module that receives manual command be set in the said industrial computer and handle and export the temperature displayed data handling system.
Said temperature data disposal system comprises central control module, data analysis module, data statistics module, data storage and output module.
Said load module, data analysis module are connected with central control module, and the operation result of said data analysis module is through on the display that central control module outputs to industrial computer is connected.
Said temperature data acquisition device is established 6 observable temperature points.
Said industrial computer articulates with 60 temperature data acquisition devices respectively.
Be provided with temperature signal collection circuit in the said data acquisition unit, gather amplifying circuit, single-chip microcomputer main control unit circuit, communication module circuit, voltage-stabilized power supply circuit.
Said temperature signal collection circuit is directly measured the variation of the thermosensitive resistance of observable temperature point, produces the voltage signal of simulation, converts the discernible digital signal of single-chip microcomputer into through A/D, is handled by single-chip microcomputer.
Compared with prior art, the utlity model has following beneficial effect:
1) the temperature data acquisition device of the utility model; Adopt wireless network to connect industrial computer and temperature data acquisition device; Can realize that refrigerator temperature detects radio operation and monitoring; Data Receiving and transmission range scope are greater than 50 meters, and testboard bay, industrial computer are all removable, use very convenient.
2) the temperature data acquisition device can adaptive 360 stations, can test many refrigerators simultaneously, have improved work efficiency.
3) establish data analysis module in the industrial computer, can judge voluntarily whether the refrigerator temperature data are unusual according to the temperature signal that collects, and output results to display, the possibility of reduced artificial erroneous judgement, failing to judge also can be checked each station real time temperature curve.
Description of drawings
Fig. 1 is the schematic block circuit diagram of the utility model temperature data acquisition device;
Fig. 2 is the industrial computer data handling system structured flowchart of the utility model.
Embodiment
Below pass through embodiment, and combine accompanying drawing that the utility model is described further.
The temperature inside the box is an important parameter of refrigerator performance; It is a qualified products whether important indicator; In the process of research and development, production, product export check, often need detect, and often need simultaneously many refrigerators to be carried out the collection of data the temperature inside the box.Develop the movable significances that produce such as a kind of multistation, temperature data collecting system removable, transmission of wireless signals will be researched and developed refrigerator product, detection, performance judgement.As shown in Figure 1, the temperature data acquisition device that is used for the refrigerator temperature detection comprises signal sending and receiving apparatus, the data acquisition unit of industrial computer, wireless transmission.Industrial computer is connected through the wireless network signal sending and receiving apparatus with the temperature data acquisition device, and setting is all arranged on industrial computer and data acquisition unit respectively.
The wireless temperature acquisition system of the utility model can be gathered the monitoring point temperature automatically, also send the real time temperature data to industrial computer through wireless transmission method, thus the temperature of the effective purpose monitoring point of ability.Wireless temperature acquisition system; Realized uninterrupted temperature survey and monitoring, can intuitively see the refrigerator temperature real-time change outside the industrial computer room, accomplished the home-confined temperature that can understand each measured point through industrial computer to site environment; And; Through wireless transmission, data acquisition unit can move in certain range of receiving, offers convenience for detection, test.System's major function has:
1) gathers monitoring point temperature and data are sent to industrial computer through wireless transmission method.
2) time interval of temperature acquisition was freely set between 2-3 minute.
3) Surveillance center can inquire about the temperature of monitoring point at any time.
4) Temperature sampler divides 60 groups, can gather in real time 6X60=360 temperature spot, simultaneously, communication module is set in the Temperature sampler, and Temperature sampler and industrial computer are articulated.
Hardware system mainly comprises following circuit: temperature signal collection circuit, collection amplifying circuit, single-chip microcomputer main control unit circuit, communication module circuit (sending and receiving apparatus), voltage-stabilized power supply circuit.Wherein, temperature signal collection circuit is directly measured the variation of temperature spot resistance and temperature signal resistance resistance, produces the voltage signal of simulation, converts the discernible digital signal of single-chip microcomputer into through A/D, is handled by single-chip microcomputer.The data acquisition unit main control unit adopts the core of single-chip microcomputer as entire circuit, the selection of control acquisition channel, the processing of data, and be connected with sending and receiving apparatus, the transmission of carrying out data with communicate by letter.Through the transformer output LOW voltage, working power is provided for the each several part circuit in the module.The temperature acquisition process is: thermistor produces different resistance signals with variation of temperature; Resistance signal becomes analog voltage signal through steady current; The single-chip microcomputer multi-channel analog switch circuit is gathered simulating signal; The A/D modular converter carries out analog to digital conversion to the signal that collects, and sends into single-chip microcomputer to the digital signal that is converted in order respectively, again articulating through communication module realization and industrial computer.
Referring to Fig. 2, in industrial computer, can refrigerator performance test time, product type, the test temperature difference be set through load module.Industrial computer is provided with the temperature data disposal system, comprises central control module, data analysis module, data statistics module, data storage and output module, artificial load module.
Central control module is used for the co-ordination of data analysis module, data statistics module, data storage and output module, artificial load module.Data analysis module is used for reading the temperature data of real time temperature database, and sends into display through data storage and output module and report to the police.Data statistics module is used to read all temps data that the remote temperature data collection station is gathered, and reads the corresponding data in the real time temperature database, and carries out statistical calculation, lists graphic analyses or shows the real time temperature curve, and generate the excel document.Data storage and output module are used to receive and the data of data statistics module, data analysis module, artificial load module are sent into the corresponding database storage; Perhaps read associated databases according to the instruction of data statistics module, data analysis module and artificial load module, the line data of going forward side by side shows.
When the temperature data acquisition device is wirelessly transmitted to industrial computer, tester to temperature data at load module input test dependent instruction; Industrial computer just can begin test duration, product type, the test temperature difference in data storage and each refrigerator of load module record, and draws each temperature curve through data statistics module.After test is accomplished; Data analysis module is judged test result automatically; Through central control module; And show at display whether the test refrigerator temperature qualified, data storage with output module simultaneously the initial temperature of record, on average encircle temperature, initial the temperature inside the box, concluding time, test and output on the display period.
Claims (7)
1. temperature data acquisition device; Comprise industrial computer, data acquisition unit; Said data acquisition unit is connected with a plurality of thermistors that are used for the detected temperatures signal; It is characterized in that: in said industrial computer and data acquisition unit, be provided with the signal sending and receiving apparatus of wireless transmission, the load module that receives manual command be set in the said industrial computer and handle and export the temperature displayed data handling system.
2. temperature data acquisition device according to claim 1 is characterized in that: said temperature data disposal system comprises central control module, data analysis module, data statistics module, data storage and output module.
3. temperature data acquisition device according to claim 2; It is characterized in that: said load module, data analysis module are connected with central control module, and the operation result of said data analysis module is through on the display that central control module outputs to industrial computer is connected.
4. temperature data acquisition device according to claim 3 is characterized in that: said temperature data acquisition device is established 6 observable temperature points.
5. temperature data acquisition device according to claim 3 is characterized in that: said industrial computer articulates with 60 temperature data acquisition devices respectively.
6. temperature data acquisition device according to claim 1 is characterized in that: be provided with temperature signal collection circuit in the said data acquisition unit, gather amplifying circuit, single-chip microcomputer main control unit circuit, communication module circuit, voltage-stabilized power supply circuit.
7. temperature data acquisition device according to claim 6; It is characterized in that: said temperature signal collection circuit is directly measured the variation of the thermosensitive resistance of observable temperature point; Produce the voltage signal of simulation, convert the discernible digital signal of single-chip microcomputer into, handle by single-chip microcomputer through A/D.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201247116U CN202485809U (en) | 2012-03-28 | 2012-03-28 | Temperature data collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201247116U CN202485809U (en) | 2012-03-28 | 2012-03-28 | Temperature data collection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202485809U true CN202485809U (en) | 2012-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201247116U Expired - Fee Related CN202485809U (en) | 2012-03-28 | 2012-03-28 | Temperature data collection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202485809U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105096548A (en) * | 2015-08-24 | 2015-11-25 | 合肥美的电冰箱有限公司 | Refrigerator commodity inspection system and method based on Zigbee communication mode |
| CN107300287A (en) * | 2017-07-31 | 2017-10-27 | 绵阳美菱软件技术有限公司 | A kind of refrigerator detection method and device |
| CN108051104A (en) * | 2017-12-31 | 2018-05-18 | 天津京科邦检测技术有限公司 | Portable refrigerator thermal field mapping system |
-
2012
- 2012-03-28 CN CN2012201247116U patent/CN202485809U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105096548A (en) * | 2015-08-24 | 2015-11-25 | 合肥美的电冰箱有限公司 | Refrigerator commodity inspection system and method based on Zigbee communication mode |
| CN107300287A (en) * | 2017-07-31 | 2017-10-27 | 绵阳美菱软件技术有限公司 | A kind of refrigerator detection method and device |
| CN108051104A (en) * | 2017-12-31 | 2018-05-18 | 天津京科邦检测技术有限公司 | Portable refrigerator thermal field mapping system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20190328 |