CN203551120U - Wireless temperature measuring device - Google Patents
Wireless temperature measuring device Download PDFInfo
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- CN203551120U CN203551120U CN201320700212.1U CN201320700212U CN203551120U CN 203551120 U CN203551120 U CN 203551120U CN 201320700212 U CN201320700212 U CN 201320700212U CN 203551120 U CN203551120 U CN 203551120U
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- temperature measuring
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- wireless temperature
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Abstract
The utility model relates to a wireless temperature measuring device, comprising a temperature acquisition device, a wireless transmission device, a reception device and an on-line monitoring device. The temperature acquisition device comprises a circuit board and a radio wave emission module. The radio wave emission module sends received signal to the reception device and the on-line monitoring device through the wireless transmission device. The reception device comprises an insulated shell and a circuit board, wherein a front end of the insulated shell has a liquid crystal display screen, a button area is arranged under the liquid crystal display screen, the circuit board is arranged in the insulated shell and comprises a data processing module, a query module, a communication module, an alarm module and a time setting module, and the communication module is connected with a computer through an RS485 communication interface. The wireless temperature measuring device is characterized by being high in safety, good in anti-electromagnetic interference, small in size, convenient to install, convenient and flexible in system wiring, visual in display, convenient to operate and the like.
Description
Technical field
The utility model relates to electric monitoring equipment field, relates in particular to a kind of wireless temperature measuring device.
Background technology
At present, electric system is just towards the direction fast development of large electrical network high reliability, high automation level.Operation of power networks robotization, intelligentized monitoring level have been become to the key issue of domestic and international great attention.Along with the increase day by day of social power consumption, the high voltage electric equipment that is carrying large load conveying task is also increasing sharply as electrical loads such as transformer, mutual inductor, high-tension switch cabinet, outdoor disconnecting links.Interface in electrical network between numerous high voltage electric equipments itself, equipment is that electric power is carried weakest link, and the substantive issue of this weak link is exactly interface heating.Along with the increase of load, cause interface generate heat and form vicious cycle: temperature rise, expansion, contraction, oxidation, resistance increase, heating direct is to leading to a disaster once again.Therefore, manpower, financial resources are not stinted in electric system, take the temperature rise of many kinds of measures monitoring high pressure interface.According to State Grid security incident circular statistics, China occurs over just the electric power accident in power station every year, the 40%th, overheated by high voltage electric equipment due to.Therefore monitoring the temperature rise of high-tension apparatus interface is to stop the key that this type of accident occurs, and realizing on-line temperature monitoring is the important means that guarantees high-tension apparatus safe operation.
For a long time, the interface running temperature of high-tension apparatus is difficult to real time on-line monitoring, and this is because these positions all have exposed high pressure, also has plenty of confined space, and common thermometry cannot be used because solving High-Voltage Insulation problem.Due to scientific and technological development, engender a kind of wireless temperature measuring device, but the equipment safety performance of electric terminal temperature is low, anti-electromagnetic interference capability is poor, uses is inconvenient for measuring in the market, need further raising and perfect.
Utility model content
The purpose of this utility model is in order to overcome the deficiencies in the prior art, and a kind of wireless temperature measuring device is provided.
The utility model is to be achieved through the following technical solutions:
A kind of wireless temperature measuring device, comprise temperature collecting device, radio transmitting device, receiving trap, on-Line Monitor Device, described temperature collecting device comprises circuit board and radio wave transmission module, described radio wave transmission module sends to receiving trap and on-Line Monitor Device by the signal receiving by radio transmitting device, described receiving trap comprises insulation shell and wiring board, the front end of described insulation shell is provided with LCDs, below LCDs, be provided with key zone, described wiring board is placed in the inside of insulation shell.
As optimal technical scheme of the present utility model, described wiring board comprises data processing module, enquiry module, communication module, alarm module and set of time module, and described communication module is connected with computing machine by RS485 communication interface.
As optimal technical scheme of the present utility model, described key zone is from left to right followed successively by " cancel key ", " upturning key ", " downturning key ", "OK button".
Compared with prior art, the utility model is the modernization high-tech product that integrates the functions such as online temperature acquisition, wireless transmission, image data intelligent analysis and control.There is following feature:
1, safe, anti-electromagnetic interference capability is strong: product has good anti-electromagnetic interference capability, has adopted multiple interference protection measure, can stable operation under complicated electromagnetic environment; Wherein static discharge anti-interference meets 4 grades, and electrical fast transient (eft) vulnerability to jamming meets 4 grades, and impacting with high pressure anti-interference meets 4 grades, and surge anti-interference meets 3 grades, and wiring board degree of protection meets IP54, and housing degree of protection meets IP20.
2, device volume is little, easy for installation: the physical dimension of this wireless temperature measuring device meets DIN96 × 96 standard, and the housing degree of depth is 75mm, adopts self-locking panel type installing mechanism, without screw is fixing, can install; Small and exquisite profile and succinct mounting means make the dismounting of thermometric very convenient; Temperature collecting device is installed by guide tracked or screw, debugs and install very convenient.
3, system wiring is convenient, flexible: system wiring mode is simple, and hommization must not have professional knowledge just can install.
4, intuitive display, easy and simple to handle: large scale special liquid crystal display screen can show multinomial information in real time, coordinates bright backlight, makes operator's also accurate read data in the situation that of light difference; Mode of operation hommization, operator can grasp at short notice, and read data and parameter such as arrange at the operation will become simple.
Accompanying drawing explanation
Fig. 1 is receiving trap schematic diagram of the present utility model;
Fig. 2 is system flowchart of the present utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1 and Fig. 2, Fig. 1 is receiving trap schematic diagram of the present utility model, and Fig. 2 is system flowchart of the present utility model.
Described a kind of wireless temperature measuring device, comprise temperature collecting device, radio transmitting device, receiving trap, on-Line Monitor Device, described temperature collecting device comprises circuit board and radio wave transmission module, described temperature collecting device maximum can gather the temperature at high-tension apparatus tie point places, No. 48, described radio wave transmission module sends to receiving trap and on-Line Monitor Device by the signal receiving by radio transmitting device, described receiving trap comprises insulation shell 1 and wiring board, the front end of described insulation shell 1 is provided with LCDs 2, below LCDs 2, be provided with key zone 3, described key zone 3 is from left to right followed successively by " cancel key ", " upturning key ", " downturning key ", "OK button", under normal condition, LCDs 2 can show 16 groups of temperature measurement data by wheel, normal display interface is that automatic page turning shows, whenever presses " cancel key ", can show current group of temperature measurement data, presses " up/down is turned over key " and selects required group temperature measurement data, more get back to automatic page turning state by " cancel key ".
Described wiring board is placed in the inside of insulation shell 1, and described wiring board comprises data processing module, enquiry module, communication module, alarm module and set of time module, and described communication module is connected with computing machine by RS485 communication interface.Higher limit, lower limit that described alarm module can set temperature be reported to the police, press up/down and turn over key and can change numerical value, finally by "OK button" preserves and exits interface is set, if by " cancel key ", exit interface and do not preserve selection.The address of described communication module arranges scope: 0～255, and wherein 0 is broadcast address; Communication speed arranges scope: 1200/2400/4800/9600, by " up/down is turned over key ", select, and by "OK button", move to the next option, finally choosing confirms that preservation arranges and exits, and exits and does not preserve by " cancel key ".
The technical indicator of this wireless temperature measuring device is:
Working temperature :-10～55 ℃
Working relative humidity: 75%RH
Dielectric strength: AC2000V
Insulating property: > 100M Ω
Anti-electromagnetic interference performance: the standard regulation that meets GB/T17626IV level
Operating voltage: AC85～265V/DC90～375V
Contact temperature measurement is counted: support 48 points, radio temperature sensor and receiver module spacing :≤10m (in same enclosure space)
Receiver module and measuring unit spacing: RS485 < 100m
Temperature measurement range: 0～125 ℃
Temperature measurement accuracy: ± 2 ℃
Radio temperature sensor tolerable temperature: 200 ℃
Remote data communication mode: RS485
1200,2400,4800,9600bps communication baud rate:
Communications protocol: Modbus communication protocol
Data layout: 8 data bit, 1 stop bit, no parity check.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (3)
1. a wireless temperature measuring device, it is characterized in that, comprise temperature collecting device, radio transmitting device, receiving trap, on-Line Monitor Device, described temperature collecting device comprises circuit board and radio wave transmission module, described radio wave transmission module sends to receiving trap and on-Line Monitor Device by the signal receiving by radio transmitting device, described receiving trap comprises insulation shell (1) and wiring board, the front end of described insulation shell (1) is provided with LCDs (2), in the below of LCDs (2), be provided with key zone (3), described wiring board is placed in the inside of insulation shell (1).
2. a kind of wireless temperature measuring device according to claim 1, it is characterized in that, described wiring board comprises data processing module, enquiry module, communication module, alarm module and set of time module, and described communication module is connected with computing machine by RS485 communication interface.
3. a kind of wireless temperature measuring device according to claim 2, is characterized in that, described key zone (3) are from left to right followed successively by " cancel key ", " upturning key ", " downturning key ", "OK button".
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320700212.1U CN203551120U (en) | 2013-11-08 | 2013-11-08 | Wireless temperature measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320700212.1U CN203551120U (en) | 2013-11-08 | 2013-11-08 | Wireless temperature measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203551120U true CN203551120U (en) | 2014-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320700212.1U Expired - Fee Related CN203551120U (en) | 2013-11-08 | 2013-11-08 | Wireless temperature measuring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203551120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004445A (en) * | 2015-07-30 | 2015-10-28 | 国网山东省电力公司 | Mobile distribution transformer temperature monitoring device based on infrared communication and method |
-
2013
- 2013-11-08 CN CN201320700212.1U patent/CN203551120U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004445A (en) * | 2015-07-30 | 2015-10-28 | 国网山东省电力公司 | Mobile distribution transformer temperature monitoring device based on infrared communication and method |
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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 |
Granted publication date: 20140416 Termination date: 20151108 |
|
| EXPY | Termination of patent right or utility model |