CN213397437U - Passive temperature measurement sensor of energy is got in response - Google Patents
Passive temperature measurement sensor of energy is got in response Download PDFInfo
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- CN213397437U CN213397437U CN202022766214.3U CN202022766214U CN213397437U CN 213397437 U CN213397437 U CN 213397437U CN 202022766214 U CN202022766214 U CN 202022766214U CN 213397437 U CN213397437 U CN 213397437U
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- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 24
- 230000004044 response Effects 0.000 title description 6
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000001939 inductive effect Effects 0.000 claims abstract description 14
- 230000005611 electricity Effects 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims description 4
- 230000003750 conditioning effect Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims 2
- 230000006698 induction Effects 0.000 claims 1
- 238000011084 recovery Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012546 transfer Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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- 238000010897 surface acoustic wave method Methods 0.000 description 1
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Abstract
The utility model discloses an inductive energy-taking passive temperature measurement sensor, which comprises a sensor shell, a permanent magnet and an antenna, wherein the permanent magnet and the antenna are fixed on the sensor shell; the temperature measurement component comprises: the device comprises a microprocessor, an electromagnetic energy electricity taking module, a LORA module, a memory and a temperature sensor; the electromagnetic energy electricity taking module is connected with a microprocessor, and the microprocessor is respectively connected with the LORA module, the memory and the temperature sensor; the LORA module is connected with the antenna. The temperature measuring component is integrated in a small shell and adsorbed on the equipment through the permanent magnet, so that the volume is small and the installation is more convenient. The equipment need not the wiring and destroys the structure, can accomplish non-maintaining, has thoroughly solved the problem that the later maintenance is frequent, the life-span is limited and the transfer distance short access point is few.
Description
Technical Field
The utility model belongs to the technical field of the temperature measurement, concretely relates to passive temperature sensor of ability is got in response.
Background
In recent years, electrical fires in China are frequent, and serious casualties and property loss are caused. Electrical fires generally refer to thermal energy released by electrical lines, consumers, appliances, and power distribution equipment in a fault, such as high temperatures, electrical arcs, electrical sparks, and non-fault released energy; for example, the hot surface of an electric heating appliance ignites a body or other combustible substances under the combustion condition to cause fire, and the temperature measurement is the key for preventing the electric fire. The safety and reliability of the power equipment are important links of ultra-large-scale power transmission and distribution and power grid safety guarantee, and the real-time monitoring of the safety operation of the power equipment of the power grid becomes necessary. Long-term power grid operation data shows that the faults of the power grid electrical equipment are mostly caused by serious consequences such as combustion, explosion and the like caused by the fact that the equipment operates under a high-temperature condition due to the reasons of large-current operation, equipment aging, insulation level reduction and the like. The existing temperature measurement technology generally adopts CT electricity taking, surface acoustic wave technology, RFID temperature measurement and the like, but has the problems of large volume, inconvenient installation, difficult maintenance and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an energy passive temperature sensor is got in response solves the energy demand and the remote transmission problem of sensor, makes the sensor break away from the constraint to traditional battery and the constraint of distance, and the volume is littleer, and the reliability is higher, and the acquisition range major node is many, and it is more convenient to install, maintains simplyr, and the product is more environmental protection, and the technique is more advanced.
In order to realize the purpose, the following technical scheme is adopted:
an inductive energy-taking passive temperature measurement sensor comprises a sensor shell, a permanent magnet and an antenna, wherein the permanent magnet and the antenna are fixed on the sensor shell; the temperature measurement component comprises: the device comprises a microprocessor, an electromagnetic energy electricity taking module, a LORA module, a memory and a temperature sensor; the electromagnetic energy electricity taking module is connected with a microprocessor, and the microprocessor is respectively connected with the LORA module, the memory and the temperature sensor; the LORA module is connected with the antenna.
Preferably, a signal conditioning and amplifying circuit is connected between the temperature sensor and the microprocessor.
Preferably, the electromagnetic energy electricity-taking module is connected with a rectification filter circuit, the rectification filter circuit is connected with a voltage-stabilizing output circuit, and the voltage-stabilizing output circuit is connected with the microprocessor.
Preferably, the temperature monitoring system further comprises a wireless temperature monitor, and the microprocessor is connected with the wireless temperature monitor in a wireless communication mode through the LORA module.
Preferably, the electronic tag stores device information therein.
Preferably, the electromagnetic energy electricity-taking module is an EH electricity-taking module.
The utility model discloses beneficial effect that technical scheme brought as follows:
1. the embodiment of the utility model provides a passive temperature sensor of ability is got in response, with temperature measurement component integration in small and exquisite shell to adsorb on equipment through the permanent magnet, it is more convenient small, install. The equipment need not the wiring and destroys the structure, can accomplish non-maintaining, has thoroughly solved the problem that the later maintenance is frequent, the life-span is limited and the transfer distance short access point is few.
2. The embodiment of the utility model provides a passive temperature sensor of ability is got in response, electromagnetic energy get electric module, LORA module and combine together the use, have effectively realized reliable low-power consumption real-time temperature data detection to and real-time remote data transmission, improved temperature monitoring's stability and reliability, improve temperature monitoring efficiency, not only provide the guarantee for the reliable and stable operation of equipment from now on, also made things convenient for equipment safety control, improved electric wire netting operation management efficiency simultaneously.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of a three-dimensional structure of an inductive energy-taking passive temperature measuring sensor provided in an embodiment of the present invention;
fig. 2 is a front view of an inductive energy-taking passive temperature measuring sensor provided in an embodiment of the present invention;
fig. 3 is a side view of an inductive energy-taking passive temperature measuring sensor according to an embodiment of the present invention;
fig. 4 is a top view of an inductive energy-taking passive temperature measuring sensor provided in an embodiment of the present invention;
fig. 5 is a structural block diagram of an internal temperature measurement component of the inductive energy-taking passive temperature measurement sensor provided in the embodiment of the present invention;
wherein: 1 a sensor housing; 2, permanent magnets; 3 antenna.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The following detailed description is exemplary in nature and is intended to provide further details of the invention. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention.
The embodiment provides an inductive energy-taking passive temperature measuring sensor which is used for measuring the temperature of the surface or the joint of a high-voltage charged object, such as the operating temperature of an exposed contact, a bus joint, an outdoor disconnecting link, a transformer and the like in a high-voltage switch cabinet. And sending the acquired temperature signal to a wireless temperature monitor through a wireless network.
As shown in fig. 1 to 5, the inductive energy-taking passive temperature measurement sensor comprises a sensor housing 1, a permanent magnet 2 and an antenna 3, wherein the permanent magnet 2 and the antenna 3 are fixed on the sensor housing 1, a temperature measurement component and an electronic tag are arranged in the sensor housing 1, and information such as equipment model and position is stored in the electronic tag; the temperature measurement component comprises: the device comprises a microprocessor, an electromagnetic energy electricity taking module, a LORA module, a memory and a temperature sensor; the electromagnetic energy electricity-taking module is connected with the microprocessor and adopts an EH electricity-taking module. The microprocessor is respectively connected with the LORA module, the memory and the temperature sensor, and a signal conditioning and amplifying circuit is connected between the temperature sensor and the microprocessor; the LORA module is connected to the antenna 3. The electromagnetic energy electricity taking module is connected with a rectification filter circuit, the rectification filter circuit is connected with a voltage stabilizing output circuit, and the voltage stabilizing output circuit is connected with the microprocessor. Still include wireless formula temperature monitor, microprocessor passes through the LORA module and connects with wireless formula temperature monitor with wireless communication's mode.
The electromagnetic energy electricity taking module adopting the EH technology does not need to be powered by a battery, so that the problems of frequent later maintenance and limited service life of the battery are thoroughly solved; and small in size, the mounting means is nimble various, promotes a new height with cubical switchboard temperature rise monitoring.
Through improving the mode of getting energy, adopt the electromagnetic energy of EH technique to get the electric module, effectual solution energy supply problem. The problem of transmission distance is solved by adopting a low-power consumption long-distance wireless transmission technology LoRa module. The sensor is adsorbed on the equipment to be measured through the permanent magnet 2, and the temperature measurement precision and the temperature measurement range are effectively improved by adopting a contact temperature measurement mode.
The LoRa module is a Long-distance Radio (Long Range Radio), has a longer propagation distance than other wireless modes under the same power consumption condition, realizes the unification of low power consumption and Long distance, and has an expanded distance by 3-5 times than the traditional wireless Radio frequency communication under the same power consumption. Transmission distance: the town can reach 2-5Km, and the suburban area can reach 15 Km. The working frequency is as follows: the ISM band includes 433, 868, 915MH, etc. The standard is as follows: IEEE802.15.4g. Modulation mode: based on spread spectrum technology, a variant of the linear modulation spread spectrum (CSS), with Forward Error Correction (FEC) capability, semtech proprietary patent technology. Capacity: one LoRa gateway may connect thousands of LoRa nodes. Safety: AES128 encryption. Transmission rate: hundreds to tens of Kbps.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.
Claims (6)
1. The passive temperature measurement sensor for the induction energy taking is characterized by comprising a sensor shell (1), a permanent magnet (2) and an antenna (3), wherein the permanent magnet (2) and the antenna (3) are fixed on the sensor shell (1), and a temperature measurement component and an electronic tag are arranged in the sensor shell (1); the temperature measurement component comprises: the device comprises a microprocessor, an electromagnetic energy electricity taking module, a LORA module, a memory and a temperature sensor; the electromagnetic energy electricity taking module is connected with a microprocessor, and the microprocessor is respectively connected with the LORA module, the memory and the temperature sensor; the LORA module is connected with the antenna (3).
2. The inductive energy-taking passive temperature measuring sensor according to claim 1, wherein a signal conditioning and amplifying circuit is connected between the temperature sensor and the microprocessor.
3. The inductive energy-taking passive temperature measurement sensor according to claim 1, wherein the electromagnetic energy-taking module is connected with a rectifying and filtering circuit, the rectifying and filtering circuit is connected with a voltage-stabilizing output circuit, and the voltage-stabilizing output circuit is connected with the microprocessor.
4. The inductive energy-taking passive thermometric sensor of claim 1, further comprising a wireless temperature monitor, said microprocessor connected to said wireless temperature monitor in wireless communication via the LORA module.
5. The inductive energy-taking passive temperature measurement sensor according to claim 1, wherein the electronic tag has device information stored therein.
6. The inductive energy-taking passive temperature measuring sensor according to claim 1, wherein the electromagnetic energy-taking module is an EH (electric energy recovery) taking module.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022766214.3U CN213397437U (en) | 2020-11-25 | 2020-11-25 | Passive temperature measurement sensor of energy is got in response |
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CN202022766214.3U CN213397437U (en) | 2020-11-25 | 2020-11-25 | Passive temperature measurement sensor of energy is got in response |
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CN213397437U true CN213397437U (en) | 2021-06-08 |
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