CN202092795U - Wireless temperature measuring probe device - Google Patents
Wireless temperature measuring probe device Download PDFInfo
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- CN202092795U CN202092795U CN2010205956574U CN201020595657U CN202092795U CN 202092795 U CN202092795 U CN 202092795U CN 2010205956574 U CN2010205956574 U CN 2010205956574U CN 201020595657 U CN201020595657 U CN 201020595657U CN 202092795 U CN202092795 U CN 202092795U
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Abstract
The utility model relates to a wireless temperature measuring probe device, composed of a power supply unit, a digital temperature sensor, an ultra low power digital processing unit, a low power radio frequency transmission unit, and an antenna, wherein the power supply unit supplies a working power supply for the whole device, the digital temperature sensor acquires the temperature data of a measuring site, the ultra low power digital processing unit carries out digital processing on the acquired temperature data, and the lower power radio frequency transmission unit and the antenna carry out wireless transmission on the data. The digital temperature sensor is integrated in the wireless temperature measuring probe device, the data is transmitted to a display terminal after being processed by an MCU, so as to perform displaying, recording, alarming and trend curve analysis; besides, the device has the advantages of low power consumption, small volume, convenient in installation, no any external wiring, and the like.
Description
Technical field:
The utility model relates to a kind of wireless temperature measuring sonde device.
Background technology:
In the electric system, temperature is the normal important parameter of performance equipment operation.Especially primary equipment cut-offs contact point, reason owing to device fabrication, equipment is subjected to the reason of environmental pollution, the equipment long-time running, punish severely heavily overload operation, contact oxidation, reasons such as electric arc impact cause contact resistance to increase, therefore often constantly heating when operation, temperature constantly rises, bury hidden danger to equipment safety operation, if untimely discovery, cause on fire easily or blast, cause a large amount of property losses, this phenomenon seems particularly general in the area faster in load growth, the temperature rise of switch cubicle exceeds standard, and directly influences the safe and stable operation of equipment, and, problems of excessive heat is a constantly process of development, if do not controlled, degree of superheat is aggravation constantly, and to the performance of insulating part and produce very big influence equipment life.
Traditional measurement method of temperature adopts paster observation, the variation of manual observation metal color, infrared or laser temperature-measuring instrument telemeasurement, this method is low by the mode precision of range estimation, though the instrument precision is higher, but also impossible real-time measurement, and also there is limitation such as being not suitable for manual measurement in some dangerous environment.
Summary of the invention:
The purpose of this utility model is the present situation to above-mentioned existing product, adopt the wireless temperature measurement sensor, need not to lay any power source line and data line, only need be placed on acquisition terminal needs the place of collecting temperature to get final product, just can measure collecting temperature in real time, also can increase and reduce the quantity of gathering temperature probe as required arbitrarily, native system has not only been saved great amount of manpower, material resources, compare with traditional measurement method of temperature, also embodied these product systems and had the temperature measurement accuracy height, response speed is fast, volume is little, easily install, advantages such as real-time online.
The utility model purpose realizes being finished by following technical scheme:
The purpose of this utility model is that above-mentioned traditional measurement temperature product is improved, and a kind of real time temperature wireless acquisition system is provided, and has the temperature measurement accuracy height, advantages such as response speed is fast, volume is little, easy installation, real-time online.
Wireless temperature measurement probe system of the present utility model is made up of digital temperature sensor, super low-power consumption digital processing element, power supply unit, low-power consumption radio frequency transmission unit and antenna; Provide working power with power supply unit for whole device, digital temperature sensor is gathered the measure field temperature data, the super low-power consumption digital processing element carries out digital processing to the temperature data of gathering, and low-power consumption radio frequency transmission unit and antenna carry out the wireless transmission of data.
Preferably, each module is electrically connected by printed circuit board.
Advantage of the present utility model, have low in energy consumption, do not have any external cabling, real-time online, and response speed is fast, volume is little, advantage easy for installation.
Description of drawings:
Fig. 1 is the block diagram of the utility model embodiment.
Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 are the circuit theory diagrams of the utility model embodiment.
Embodiment:
The utility model is described in further detail by embodiment below in conjunction with accompanying drawing.So that technician's of the same trade understanding:
Fig. 1 is a theory diagram of the present utility model, has comprised power supply, CPU and storage area, reset circuit, temperature sampling module, radio frequency transmission module antenna element etc. and has partly formed.Front-end collection temperature digital signal is given MCU by the SPI interface, and microcontroller is treated, regularly is wirelessly sent to background process by the radio frequency transmission module again, realizes the temperature signal wireless collection.
The utility model adopts C8051 series enhancement mode MCU, built-in watchdog reset circuit, typical case's park mode electric current is less than 0.1 μ A, (1.8V-3.6V) hold mode and RAM content in whole power supply voltage range, regularly wake up fast, use built-in FLASH storage important parameter, drive radio frequency transmission module and temperature sampling module, realize the management of powered battery super low-power consumption, as Fig. 2.Fig. 3 is a digital temperature chip ADT7301 circuit, and this chip is 13 bit digital temperature sensor chips.Employing+2.7V～+ 5.5V power supply power supply, have temperature transition precision height, low in energy consumption, characteristics such as S P I compatible serial interface is flexible.Fig. 4 is a MCU external reset circuit, and wherein J2 still is a debugging interface of the present utility model.U3 is the lithium battery of long life among Fig. 6, and its capacity is 1000mAh, and C4 is a protection electric capacity, and excessive when the electric current that sparks of U2, C4 plays buffer action, and less U2 is subjected to heavy current impact and influences serviceable life, and J3 is the power switch of system.U1 is that CC1100E transceiver and a highly configurable baseband modem integrate among Fig. 5.This modulator-demodular unit is supported various modulation formats, and have configurable data speed up to 500kBaud, can provide functions such as processing data packets, data buffering, burst transfer, clear channel assessment (CCA), link-quality indications, can realize that all support under frequencies the output power able to programme up to+10dBm, 400nA sleep pattern current drain, rapid boot-up time; Transferring RX or TX pattern to from sleep pattern only needs 240 μ s, low-power consumption RX poll wireless awakening function automatically, and realizing that the ultra-low power consumption wireless temperature data transmits provides guarantee.Biasing resistor R171 is used to be provided with an accurate bias current among the figure, and L121, L131, C121, L122, C131, C122 and L132 have formed a balanced-to-unblanced transformer, and it is the single-ended radio frequency signal with the differential radio frequency conversion of signals on the CC1100E.The DC blocking-up needs C124.With corresponding LC network, this balanced-to-unblanced transformer assembly is also changed impedance, to mate 50 Ω loads.C125 provides DC block function.C81, C121 and XTAL form the 26M oscillatory circuit, for the radio frequency transmission module provides clock.
Claims (2)
1. a wireless temperature measuring sonde device is made up of power supply unit, digital temperature sensor, super low-power consumption digital processing element, low-power consumption radio frequency transmission unit and antenna; It is characterized in that: provide working power for whole device with power supply unit, digital temperature sensor is gathered the measure field temperature data, the super low-power consumption digital processing element carries out digital processing to the temperature data of gathering, and low-power consumption radio frequency transmission unit and antenna carry out the wireless transmission of data.
2. the described a kind of wireless temperature measuring sonde device of claim 1, it is characterized in that: each module is electrically connected by printed circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205956574U CN202092795U (en) | 2010-11-05 | 2010-11-05 | Wireless temperature measuring probe device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205956574U CN202092795U (en) | 2010-11-05 | 2010-11-05 | Wireless temperature measuring probe device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202092795U true CN202092795U (en) | 2011-12-28 |
Family
ID=45367856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205956574U Expired - Fee Related CN202092795U (en) | 2010-11-05 | 2010-11-05 | Wireless temperature measuring probe device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202092795U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964755A (en) * | 2015-07-10 | 2015-10-07 | 成都振中电气有限公司 | Electric power system wireless temperature measurement device |
| CN106291138A (en) * | 2016-08-29 | 2017-01-04 | 武汉中科科理光电技术有限公司 | A kind of medical radio-frequency electric field energy temperature measuring device and method of testing |
-
2010
- 2010-11-05 CN CN2010205956574U patent/CN202092795U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964755A (en) * | 2015-07-10 | 2015-10-07 | 成都振中电气有限公司 | Electric power system wireless temperature measurement device |
| CN106291138A (en) * | 2016-08-29 | 2017-01-04 | 武汉中科科理光电技术有限公司 | A kind of medical radio-frequency electric field energy temperature measuring device and method of testing |
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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: 20111228 Termination date: 20151105 |
|
| EXPY | Termination of patent right or utility model |