CN203310424U - Overheating protection telemetry terminal - Google Patents
Overheating protection telemetry terminal Download PDFInfo
- Publication number
- CN203310424U CN203310424U CN2013203801727U CN201320380172U CN203310424U CN 203310424 U CN203310424 U CN 203310424U CN 2013203801727 U CN2013203801727 U CN 2013203801727U CN 201320380172 U CN201320380172 U CN 201320380172U CN 203310424 U CN203310424 U CN 203310424U
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- China
- Prior art keywords
- resistance
- resistor
- telemetry terminal
- overheating protection
- converter
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an overheating protection telemetry terminal. The terminal comprises a central processor, an RTC real-time clock, an AD converter, a resistor R1 and a resistor R2. The RTC real-time clock and the AD converter are connected to the central processor. The resistor R1 and the resistor R2 are connected in series. One end of the resistor R1 is connected to a power supply. One end of the resistor R2 is grounded. The AD converter is also connected to a common terminal of the resistor R1 and the resistor R2. According to the terminal of the utility model, through the above principle, a special thermo-sensitive resistor used to sense an ambient temperature is arranged; the central processor carries out a corresponding protection measure under the condition that the temperature is high so as to avoid damaging the telemetry terminal.
Description
Technical field
The utility model relates to the telemetry terminal system field, is specifically related to the overheating protection telemetry terminal system.
Background technology
Telemetry terminal system application of today is extensive, the telemetering terminal of wherein monitoring for water conservancy monitoring and geology, can realize sensing data is gathered, be uploaded to and collect central station by various communication networking models, central station carries out the model calculation with the data according to collecting and carries out Warning Service.Central station can carry out remote measuring, Remote configuration, remote maintenance to remote terminal.Telemetry terminal system is being brought into play important effect in observation process.In addition, need to be in high humility for the telemetering terminal in water conservancy monitoring and geology monitoring field, high rainwater, high temperature tans by the sun, and works under the high and cold environment freezed.To a certain extent the time, the phenomenon of high temperature melting easily appears in the device of the inner low melting point of telemetry terminal system, the situation of catching fire even occurs, causes telemetry terminal system to damage, and can't carry out remote monitoring when the temperature height.
The utility model content
The utility model has overcome the deficiencies in the prior art; the overheating protection telemetry terminal system is provided; be provided with the special thermo-sensitive resistor that environment temperature is responded to, in the situation that excess Temperature allows central processing unit make corresponding safeguard procedures, avoid damaging telemetry terminal system.
For solving above-mentioned technical matters, the utility model is by the following technical solutions: the overheating protection telemetry terminal system, comprise central processing unit, RTC real-time clock, AD converter, resistance R 1 and resistance R 2, described RTC real-time clock and AD converter all are connected on central processing unit; Described resistance R 1 and resistance R 2 series connection, resistance R 1 one termination powers, resistance R 2 one end ground connection; Described AD converter also is connected on the common port of resistance R 1 and resistance R 2.
Further, described resistance R 1 is cement resistor.
Further, described resistance R 2 is thermo-sensitive resistor.
Further, described central processing unit also is connected to wireless network card and FLASH storer, and wireless network card is connected on antenna.
Further, the model of described RTC real-time clock is DS1307.
Further, the model of described central processing unit is LX4F232H5QCFIGA3.
Compared with prior art, the beneficial effects of the utility model are:
1, the utility model is provided with thermo-sensitive resistor R2, the resistance of thermo-sensitive resistor changes along with the variation of temperature, the pressure drop of thermo-sensitive resistor also changes thereupon, then this kind variation is delivered on central processing unit, then it is made to corresponding processing, prevent the too high components and parts generation dieseling that causes telemetry terminal system inside of external temperature.
2, the utility model is also used cement resistor, and cement resistor adopts industrial high-frequency electronic ceramic package, and good heat dissipation, have good insulating property, and its insulation resistance can reach 100MR, have simultaneously good fire-retardant, explosion-proof.Resistance wire is selected constantan, copper-manganese, and the alloy materials such as nickel chromium triangle, have better stability and overload capability.Resistance wire, with between the leg lead-in wire, adopts the crimping mode.In the situation that load short circuits can, rapidly in crimping place fusing, have defencive function to circuit.
The accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further elaborated, embodiment of the present utility model is not limited to this.
Embodiment:
As shown in Figure 1, the utility model comprises central processing unit, RTC real-time clock, AD converter, resistance R 1 and resistance R 2, and resistance R 1 is cement resistor, and resistance R 2 is thermo-sensitive resistor.The RTC real-time clock of the present embodiment and AD converter all are connected on central processing unit, and central processing unit also is connected to wireless network card and FLASH storer, and wireless network card is connected on antenna.The resistance R 1 of the present embodiment and resistance R 2 series connection, resistance R 1 one termination powers, resistance R 2 one end ground connection; AD converter wherein also is connected on the common port of resistance R 1 and resistance R 2.The model of the RTC real-time clock of the present embodiment is DS1307, and the model of central processing unit is LX4F232H5QCFIGA3, and the wireless network card model is WL-167G.
The resistance of thermo-sensitive resistor R2 wherein varies with temperature and changes; the pressure drop be reflected on thermo-sensitive resistor R2 also changes thereupon; AD converter converts its voltage signal to digital signal to processor; processor detects temperature according to digital signal; then make corresponding safeguard measure; make to fuse with AD converter, circuit is protected.
Just can realize this utility model as mentioned above.
Claims (6)
1. overheating protection telemetry terminal system, it is characterized in that: comprise central processing unit, RTC real-time clock, AD converter, resistance R 1 and resistance R 2, described RTC real-time clock and AD converter all are connected on central processing unit; Described resistance R 1 and resistance R 2 series connection, resistance R 1 one termination powers, resistance R 2 one end ground connection; Described AD converter also is connected on the common port of resistance R 1 and resistance R 2.
2. overheating protection telemetry terminal system according to claim 1 is characterized in that: described resistance R 1 is cement resistor.
3. overheating protection telemetry terminal system according to claim 1 is characterized in that: described resistance R 2 is thermo-sensitive resistor.
4. overheating protection telemetry terminal system according to claim 1, it is characterized in that: described central processing unit also is connected to wireless network card and FLASH storer, and wireless network card is connected on antenna.
5. overheating protection telemetry terminal system according to claim 1, it is characterized in that: the model of described RTC real-time clock is DS1307.
6. according to the described overheating protection telemetry terminal system of claim 1-5 any one, it is characterized in that: the model of described central processing unit is LX4F232H5QCFIGA3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203801727U CN203310424U (en) | 2013-06-28 | 2013-06-28 | Overheating protection telemetry terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203801727U CN203310424U (en) | 2013-06-28 | 2013-06-28 | Overheating protection telemetry terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203310424U true CN203310424U (en) | 2013-11-27 |
Family
ID=49616627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203801727U Expired - Fee Related CN203310424U (en) | 2013-06-28 | 2013-06-28 | Overheating protection telemetry terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203310424U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335664A (en) * | 2013-06-28 | 2013-10-02 | 成都汉康信息产业有限公司 | Telemetric terminal with overheating protection function |
| CN104300958A (en) * | 2014-10-31 | 2015-01-21 | 上海斐讯数据通信技术有限公司 | Circuit with resistance quantity reading accuracy not influenced by power supply fluctuation |
-
2013
- 2013-06-28 CN CN2013203801727U patent/CN203310424U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335664A (en) * | 2013-06-28 | 2013-10-02 | 成都汉康信息产业有限公司 | Telemetric terminal with overheating protection function |
| CN104300958A (en) * | 2014-10-31 | 2015-01-21 | 上海斐讯数据通信技术有限公司 | Circuit with resistance quantity reading accuracy not influenced by power supply fluctuation |
| CN104300958B (en) * | 2014-10-31 | 2017-11-24 | 上海斐讯数据通信技术有限公司 | The circuit that a kind of resistance reading accuracy is not influenceed by power-supply fluctuation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chai Jun Inventor after: Chen Jing Inventor before: Zhu Zhengxiu Inventor before: Chai Jun Inventor before: Zhang Juan Inventor before: Fan Xu |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHU ZHENGXIU CHAI JUN ZHANG JUAN FAN XU TO: CHAI JUN CHEN JING |
|
| 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: 20131127 Termination date: 20170628 |