CN204405199U - The radio temperature sensor of power supply combined by a kind of TEC of employing and battery - Google Patents
The radio temperature sensor of power supply combined by a kind of TEC of employing and battery Download PDFInfo
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- CN204405199U CN204405199U CN201420846632.5U CN201420846632U CN204405199U CN 204405199 U CN204405199 U CN 204405199U CN 201420846632 U CN201420846632 U CN 201420846632U CN 204405199 U CN204405199 U CN 204405199U
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Abstract
The utility model discloses the radio temperature sensor that power supply combined by a kind of TEC of employing and battery, comprise TEC unit, charge/discharge unit and radio temperature sensor, described TEC unit is connected with charge/discharge unit by a boosting unit, described charge/discharge unit is connected with radio temperature sensor, adopt TEC and battery associating power supply mode, the shortcoming existed when effectively compensate for each self-powered in the past, radio temperature sensor is accomplished round-the-clock, long-lived operation, substantially increase service efficiency and the applicability of radio temperature sensor, and then promote the validity and reliability of monitored equipment on-line monitoring.
Description
Technical field
The utility model relates to radio temperature sensor power supply technique field, is specifically related to the radio temperature sensor that power supply combined by a kind of TEC of employing and battery.
Background technology
In industry, power industry, the normal operation of electrical equipment ensure that the normal operation of society and the normal life of the people, and therefore the reliability of equipment is most important.Numerous enterprises is advocated and is carried out preventive maintenance to equipment, and temperature is most important monitoring parameter in preventive maintenance, the too high or too low of temperature all means the possibility that fault produces, and realizing on-line temperature monitoring is the important means ensureing high-tension apparatus safe operation.
Traditional temperature survey mode cycle is long, construction is complicated, efficiency is low, is not easy to management, wants the manpower physics of at substantial investigate and again lay cable when breaking down, and monitoring point dispersion, environment are closed or have high voltage under specific occasion, a lot of thermometric mode cannot realize surveying work.Therefore, the application that temperature data is wirelessly passed to thermometric communicating terminal by radio temperature sensor is of great significance.But current radio temperature sensor generally adopts powered battery or adopts the temperature difference to power two kinds of modes, there is following problem in actual moving process:
1) adopt powered battery mode, battery energy storage is limited, and when dead battery capability, radio temperature sensor is by cisco unity malfunction;
2) adopt temperature difference power supply mode, require certain temperature difference.When being in normal temperature situation, the measurement point of radio temperature sensor does not have enough temperature differences, causes radio temperature sensor not work.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the utility model provides a kind of TEC and the battery associating powered, wireless temperature sensor that can increase the service life and improve applicability.
To achieve these goals, the technical solution adopted in the utility model is:
The radio temperature sensor of power supply combined by a kind of TEC of employing and battery, comprise TEC unit, charge/discharge unit and radio temperature sensor, it is characterized in that, described TEC unit is connected with charge/discharge unit by a boosting unit, and described charge/discharge unit is connected with radio temperature sensor.
Further; described charge/discharge unit forms primarily of the charging chip connected successively, discharge protection circuit and mu balanced circuit; also electric battery is provided with between described charging chip and discharge protection circuit; described charging chip is connected with boosting unit, and described mu balanced circuit is connected with radio temperature sensor.
Further, described boosting unit mainly comprises the charge pump and boost chip that are connected with each other, and described charge pump and boost chip are connected with TEC unit respectively, and described charge pump is also connected with charging chip respectively with boost chip.
Further, described electric battery adopts lithium battery group or battery pack.
Further, described radio temperature sensor is also provided with temperature element.
Further, described TEC unit mainly comprises cold junction and the hot junction of semiconductor temperature differential generating sheet.
The beneficial effects of the utility model: the utility model adopts TEC and battery to combine for radio temperature sensor is powered, become the radio temperature sensor that power supply combined by TEC and battery, wherein charging chip can provide power supply also can charge for electric battery for radio temperature sensor when TEC cell operation, so both to solve when dead battery capability radio temperature sensor by the problem of cisco unity malfunction, can solve again under being in normal temperature situation and there is no enough inoperable problems of temperature difference radio temperature sensor, the shortcoming existed when effectively compensate for each self-powered in the past, radio temperature sensor is accomplished round-the-clock, long-lived operation, substantially increase service efficiency and the applicability of radio temperature sensor, and then promote the validity and reliability of monitored equipment on-line monitoring.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the utility model preferred embodiment.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
With reference to Fig. 1, the radio temperature sensor of power supply combined by a kind of TEC of employing and battery, and comprise the TEC unit 1, boosting unit 4, charge/discharge unit 2 and the radio temperature sensor 3 that connect successively, described radio temperature sensor 3 is also provided with temperature element 5.
Wherein, described charge/discharge unit 2 forms primarily of the charging chip 21 connected successively, discharge protection circuit 22 and mu balanced circuit 23, electric battery 24 is provided with between described charging chip 21 and discharge protection circuit 22, described charging chip 21 is connected with boosting unit 4, and described mu balanced circuit 23 is connected with radio temperature sensor 3; Described boosting unit 4 mainly comprises the charge pump 41 and boost chip 42 that are connected with each other, and described charge pump 41 is connected with TEC unit 1 respectively with boost chip 42, and described charge pump 41 is also connected with charging chip 21 respectively with boost chip 42; Described TEC unit 1 mainly comprises cold junction and the hot junction of semiconductor temperature differential generating sheet.
Preferably, described electric battery 22 adopts battery pack, also can adopt lithium battery group.Preferably, described temperature element 5 adopts NTC thermistor.
During work, the cold junction of the semiconductor temperature differential generating sheet of TEC unit 1 and hot junction temperature difference more than 10 DEG C can export 0.5V voltage, the voltage exported voltage after the voltage pump 41 and boost chip 42 of boosting unit 4 reaches 3.6V, 3.6V receives the charging chip 21 in charge/discharge unit 2, charging chip 21 1 aspect is directly received discharge protection circuit 22 and is powered for radio temperature sensor 3 by mu balanced circuit 23, another aspect receives lithium battery group or battery charging end charges to electric battery 24, and then powered for radio temperature sensor 3 by discharge protection circuit 22 and mu balanced circuit 23 successively by electric battery 24.Powered by TEC when namely having achieved the temperature difference, do not have to be powered by electric battery 24 during the temperature difference, radio temperature sensor is enable to accomplish round-the-clock, long-lived operation, substantially increase service efficiency and the applicability of radio temperature sensor, and then promote the validity and reliability of monitored equipment on-line monitoring.
More than that better enforcement of the present utility model is illustrated, but the utility model is created and is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and all equivalent distortion or replacement are all included in the application's claim limited range.
Claims (6)
1. the radio temperature sensor adopting TEC and battery to combine power supply, comprise TEC unit (1), charge/discharge unit (2) and radio temperature sensor (3), it is characterized in that, described TEC unit (1) is connected with charge/discharge unit (2) by a boosting unit (4), and described charge/discharge unit (2) is connected with radio temperature sensor (3).
2. the radio temperature sensor of power supply combined by a kind of TEC of employing and battery according to claim 1; it is characterized in that; described charge/discharge unit (2) forms primarily of the charging chip connected successively (21), discharge protection circuit (22) and mu balanced circuit (23); electric battery (24) is also provided with between described charging chip (21) and discharge protection circuit (22); described charging chip (21) is connected with boosting unit (4), and described mu balanced circuit (23) is connected with radio temperature sensor (3).
3. the radio temperature sensor of power supply combined by a kind of TEC of employing and battery according to claim 2, it is characterized in that, described boosting unit (4) mainly comprises the charge pump (41) and boost chip (42) that are connected with each other, described charge pump (41) is connected with TEC unit (1) respectively with boost chip (42), and described charge pump (41) is also connected with charging chip (21) respectively with boost chip (42).
4. the radio temperature sensor of power supply combined by a kind of TEC of employing and battery according to claim 2, it is characterized in that, described electric battery (24) adopts lithium battery group or battery pack.
5. the radio temperature sensor of power supply combined by a kind of TEC of employing and battery according to claim 1, it is characterized in that, described radio temperature sensor (3) is also provided with temperature element (5).
6. the radio temperature sensor of power supply combined by a kind of TEC of employing and battery according to claim 1, it is characterized in that, described TEC unit (1) mainly comprises cold junction and the hot junction of semiconductor temperature differential generating sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420846632.5U CN204405199U (en) | 2014-12-25 | 2014-12-25 | The radio temperature sensor of power supply combined by a kind of TEC of employing and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420846632.5U CN204405199U (en) | 2014-12-25 | 2014-12-25 | The radio temperature sensor of power supply combined by a kind of TEC of employing and battery |
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| CN204405199U true CN204405199U (en) | 2015-06-17 |
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| CN201420846632.5U Active CN204405199U (en) | 2014-12-25 | 2014-12-25 | The radio temperature sensor of power supply combined by a kind of TEC of employing and battery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203217A (en) * | 2015-09-16 | 2015-12-30 | 中国科学院长春光学精密机械与物理研究所 | Wireless temperature measuring system and measuring method of rotary device |
| CN108709662A (en) * | 2018-03-16 | 2018-10-26 | 李良杰 | Intelligent temperature monitor |
-
2014
- 2014-12-25 CN CN201420846632.5U patent/CN204405199U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203217A (en) * | 2015-09-16 | 2015-12-30 | 中国科学院长春光学精密机械与物理研究所 | Wireless temperature measuring system and measuring method of rotary device |
| CN108709662A (en) * | 2018-03-16 | 2018-10-26 | 李良杰 | Intelligent temperature monitor |
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