CN201237537Y - Temperature sensor - Google Patents
Temperature sensor Download PDFInfo
- Publication number
- CN201237537Y CN201237537Y CNU2008201482016U CN200820148201U CN201237537Y CN 201237537 Y CN201237537 Y CN 201237537Y CN U2008201482016 U CNU2008201482016 U CN U2008201482016U CN 200820148201 U CN200820148201 U CN 200820148201U CN 201237537 Y CN201237537 Y CN 201237537Y
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- temperature
- magnetic field
- module
- alternating magnetic
- temperature probe
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Abstract
The utility model relates to a temperature measuring sensor which comprises a temperature sensing device and a sampling analysis control module; the signal output end of the temperature sensing device is connected with the sampling signal input end of the sampling analysis control module, wherein, the temperature measuring sensor also comprises a wireless transmitting module and a wireless receiving module; the signal input end of the wireless transmitting module is connected with the temperature signal output end of the sampling analysis control module; the signal output end of the wireless receiving module is connected with a temperature signal collector. The temperature signal sensed by the temperature sensing device is processed by the sampling analysis control module, transmitted by the wireless transmitting module and then received by the wireless receiving module connected with the temperature signal collector. For the follow-up processing and transmission, the temperature sensing sensor can prevent a high-voltage bus from discharging with high voltage through the temperature sensing sensor, thereby damaging the temperature sensing sensor or other power distribution equipment because of the adoption of a wireless transmission method.
Description
Technical field
The utility model relates to high voltage distribution installation, relates in particular to a kind of temperature probe of measuring high voltage power distributing cabinet inner high voltage bus lap-joint temperature.
Background technology
At present, the temperature probe of measuring high voltage power distributing cabinet inner high voltage bus lap-joint temperature adopts the mode of lead conduction that the temperature signal that collects is sent to the temperature signal receiving trap more, this temperature probe is assemblied in the situation that the high voltage bus effluve takes place on the high voltage bus to be measured easily, burn out power distribution equipment and this temperature probe, cause damage, and this temperature probe need provide special power supply, also causes effluve by power supply easily.
The utility model content
The purpose of this utility model provides a kind of temperature probe that the temperature signal wireless transmit that collects can be gone out, avoids the voltage on the high voltage bus to discharge by temperature probe.
The power supply that further purpose is this temperature probe obtains from high voltage bus, does not need the special configuration power supply, can further avoid the voltage on the high voltage bus to discharge by temperature probe like this.
A kind of temperature probe, comprise temperature sensing device, sampling analysis control module, the temperature sensing device signal output part connects the sampled signal input end of sampling analysis control module, wherein: this temperature probe also comprises a wireless transmitter module, a wireless receiving module, the signal input part of this wireless transmitter module connects the temperature signal output terminal of sampling analysis control module, and the signal output part of this wireless receiving module is used to connect the temperature signal gathering-device.
Described temperature probe, wherein: this temperature probe also comprises alternating magnetic field induction installation, inductive coil, rectifying and wave-filtering Voltage stabilizing module, described alternating magnetic field induction installation is used to be set in high voltage bus periphery to be measured, inductive coil is around the home on the alternating magnetic field induction installation, the inductive coil two ends connect the signal input part of rectifying and wave-filtering Voltage stabilizing module, and the signal output part of rectifying and wave-filtering Voltage stabilizing module connects the power supply input end of sampling analysis control module.
Described temperature probe, wherein: described alternating magnetic field induction installation is a ring-type.
Described temperature probe, wherein: described alternating magnetic field induction installation is the silicon steel loop that is connected and composed by the stack of siliconized plate sheet sheet.
Described temperature probe, wherein: described alternating magnetic field induction installation be provided with can disconnect, closed coupling arrangement.
The utility model adopts technique scheme will reach following technique effect:
The temperature probe that the utility model provides, the temperature signal that temperature sensing device senses is after the sampling analysis control module is handled, launch through wireless transmitter module, receive, carry out follow-up processing, transmission by the wireless receiving module that is connected on the temperature signal gathering-device.Temperature probe of the present utility model adopts Wireless transmission mode can avoid high voltage bus to pass through this temperature probe effluve, damages this temperature probe or other distribution equipment; Further, the alternating magnetic field induction installation can also be set in the high voltage bus periphery, by its induction alternating magnetic field, the magnetic field of sensing being changed into electric current at the inductive coil on the alternating magnetic field induction installation around the home is transported on the rectifying and wave-filtering Voltage stabilizing module again, carry out after rectification, filtering, the voltage stabilizing sampling analysis control module being powered, like this, power supply is not set, not only can reduce cost, can also avoid high voltage bus to discharge by power supply.Therefore temperature probe of the present utility model is simple in structure, can effectively avoid high voltage bus to pass through its discharge, avoids the damage of temperature probe and controller switching equipment.
Description of drawings
Fig. 1 is the structured flowchart of the utility model temperature probe;
Fig. 2 is alternating magnetic field induction installation in the utility model temperature probe, inductive coil, thermal sensing element and the wiring layout that cooperates of high voltage bus;
Fig. 3 is the circuit theory diagrams of the utility model temperature probe;
Fig. 4 is a kind of embodiment wiring layout of the utility model temperature probe.
Embodiment
Embodiment:
A kind of temperature probe, comprise and be arranged near treat that the thermometric high voltage bus is temperature sensing device, sampling analysis control module, the temperature sensing device signal output part connects the sampled signal input end of sampling analysis control module, wherein, this temperature probe also comprises a wireless transmitter module, a wireless receiving module, the signal input part of this wireless transmitter module connects the temperature signal output terminal of sampling analysis control module, and the signal output part of this wireless receiving module is used to connect the temperature signal gathering-device.Temperature sensing device is delivered to the sampling analysis control module with the temperature signal that senses, and delivers to wireless transmitter module after the sampling analysis control module is handled, by wireless transmitter module with the signal encoding received and launch; Wireless receiving module is with the signal decoding that receives and deliver to the temperature signal gathering-device.Adopt the mode of wireless transmit, reception also can avoid high voltage bus to discharge by connecting line.
As shown in Figure 1, this temperature probe also can comprise alternating magnetic field induction installation, inductive coil, rectifying and wave-filtering Voltage stabilizing module, described alternating magnetic field induction installation can be arranged to ring-type, be used to be set in high voltage bus periphery to be measured, inductive coil is around the home at the alternating magnetic field induction installation, the inductive coil two ends connect the signal input part of rectifying and wave-filtering Voltage stabilizing module, and the signal output part of rectifying and wave-filtering Voltage stabilizing module connects the power supply input end of sampling analysis control module.When having electric current to pass through on the high voltage bus, the alternating magnetic field induction installation is sensed alternating magnetic field, changes of magnetic field in the inductive coil will produce electric current in inductive coil, this electric current promptly can be used as the power supply of sampling analysis control module after the voltage stabilizing of rectifying and wave-filtering Voltage stabilizing module rectifying and wave-filtering, the sampling analysis control module is powered, no longer need to be equipped with power supply specially, also can avoid high voltage bus to discharge by power supply.
Fig. 2 is alternating magnetic field induction installation 1, inductive coil 4, thermal sensing element 3 and the wiring layout that cooperates of high voltage bus 2, described alternating magnetic field induction installation 1 is circular, be set in outside the high voltage bus, inductive coil 4 is on alternating magnetic field induction installation 1 annulus, when high voltage bus passes through electric current, produce alternating magnetic field in the alternating magnetic field induction installation 1, according to electromagnetic induction principle, inductive coil 4 produces electric current according to the variation of alternating magnetic field, this electric current transfers to after the rectifying and wave-filtering Voltage stabilizing module carries out the rectifying and wave-filtering voltage stabilizing again, can power to the sampling analysis control module.
Described alternating magnetic field induction installation can be the silicon steel loop that is connected and composed by the stack of siliconized plate sheet sheet, siliconized plate constitutes two segmental arcs, after two segmental arcs dock promptly is a ring, the tip position of two segmental arcs butt joint is provided with coupling arrangement, as junction button etc., but be not limited thereto, as long as can in use the alternating magnetic field induction installation be set in outside the high voltage bus, the time spent does not take off and gets final product.
Figure 4 shows that a kind of embodiment wiring layout of the utility model temperature probe, make a U-lag 1a and groove lid 1b by the alternating magnetic field inductive material, be used to wear high voltage bus 2 in the groove, groove lid 1b upside is provided with top board 5, U-lag 1a downside is provided with lower platen 6, lower platen 6 downsides are provided with a housing 10, housing 10 is used to install the circuit of rectifying and wave-filtering Voltage stabilizing module, sampling analysis control module and transmitter module, inductive coil 4 is also arranged on the U-lag 1a around the home, inductive coil 4 penetrates in the housing 10, is connected the signal input part of rectifying and wave-filtering Voltage stabilizing module; Top board 5 and lower platen 6 edges are respectively arranged with corresponding bolt hole, pass by screw rod 7,8 to be connected and fixed, and groove is covered on the top opening that 1b is fastened on U-lag 1a; Thermal sensing element 3 is used to be located at the detected part of high voltage bus 2.
Figure 3 shows that the circuit theory diagrams for the utility model temperature probe, its course of work is as follows:
When high voltage bus L1 goes up by electric current, produce alternating magnetic field in the alternating magnetic field induction installation M1, inductive coil L2 output current, this electric current is carried in the input end 1 of rectifier bridge D1 after current-limiting resistance R1 current limliting, on 3 pin, electric current capacitor C 1 between 2 pin of the output terminal through being connected in parallel on rectifier bridge D1 and the ground again after rectification is handled, C4 filtering, send into voltage stabilizer U1 input end afterwards, voltage stabilizer U1 employing model is LM7805 in the present embodiment, its earth terminal ground connection, go back and be connected to two filter capacitor C2 between output terminal and the ground, C5, after voltage stabilizer U1 voltage stabilizing again through two filter capacitor C2, C5 filtering promptly can be used as stable power supply VCC and has used.
The sampling analysis control module comprises integrated operational amplifier U3A (adopting LM324 in the present embodiment), microprocessor U2 (the utility model adopts SPC12C2052AD); Resistance R 4, R8 is serially connected between power supply VCC and the ground GND, its intermediate contact connects in-phase input end 3 pin of integrated operational amplifier U3A, resistance R 4, R8 is serially connected between power supply VCC and the ground GND, its intermediate contact connects inverting input 2 pin of integrated operational amplifier U3A, resistance R 4, R8 and resistance R 3, R7 is respectively homophase and the inverting input of integrated operational amplifier U3A and sets up the condition that is operated in magnifying state, resistance R 9 is connected between the output terminal and inverting input 2 pin of integrated operational amplifier U3A, and its resistance size is used to control integrated operational amplifier U3A enlargement factor; Be connected between power supply VCC and the ground GND after capacitor C 3 and resistance R 5 serial connections, its intermediate contact is connected on the microprocessor U2 electrification reset end, the electrification reset element of forming microprocessor U2, to guarantee that power supply VCC voltage stable back microprocessor U2 enters normal operating conditions, crystal oscillator Y1 is connected between 1,2 pin (OSC1, OSC2) of microprocessor U2, and U2 provides clock signal for microprocessor; Output terminal 1 pin of integrated operational amplifier U3A connects the analog to digital conversion port PAO (18 pin) of microprocessor U2 by resistance R 2, send to wireless signal transmission element U4 after the signal Processing of microprocessor U2 with input, U4 launches by antenna ANT by the wireless signal transmission element; It is TX01 that wireless signal transmission element U4 adopts model, and its power supply input end connects power supply VCC.
Thermal sensing element S1 one end connects power supply, the other end connects in-phase input end 3 pin of integrated operational amplifier U3A, with thermal sensing element S1 attached to high voltage bus dut temperature part, the resistance value of thermal sensing element S1 changes with variation of temperature, the change in resistance of thermal sensing element S1 will cause the potential change of integrated operational amplifier U3A in-phase input end 3 pin, thereby output terminal 1 pin that makes integrated operational amplifier U3A has the change in voltage of corresponding multiple, the analog to digital conversion port (18 pin) of microprocessor U2 is delivered in this variation after resistance R 2 clampers, change corresponding Temperature numerical signal into through microprocessor U2 again, form with digital signal is sent to radiated element U4 through resistance R 6, signal is launched with the form of radiowave through antenna ANT.
Claims (5)
1, a kind of temperature probe, comprise temperature sensing device, sampling analysis control module, the temperature sensing device signal output part connects the sampled signal input end of sampling analysis control module, it is characterized in that: this temperature probe also comprises a wireless transmitter module, a wireless receiving module, the signal input part of this wireless transmitter module connects the temperature signal output terminal of sampling analysis control module, and the signal output part of this wireless receiving module is used to connect the temperature signal gathering-device.
2, temperature probe as claimed in claim 1, it is characterized in that: this temperature probe also comprises alternating magnetic field induction installation, inductive coil, rectifying and wave-filtering Voltage stabilizing module, described alternating magnetic field induction installation is used to be set in high voltage bus periphery to be measured, inductive coil is around the home on the alternating magnetic field induction installation, the inductive coil two ends connect the signal input part of rectifying and wave-filtering Voltage stabilizing module, and the signal output part of rectifying and wave-filtering Voltage stabilizing module connects the power supply input end of sampling analysis control module.
3, temperature probe as claimed in claim 2 is characterized in that: described alternating magnetic field induction installation is a ring-type.
4, temperature probe as claimed in claim 3 is characterized in that: described alternating magnetic field induction installation is the silicon steel loop that is connected and composed by the stack of siliconized plate sheet sheet.
5, as claim 2 or 3 or 4 described temperature probes, it is characterized in that: described alternating magnetic field induction installation be provided with can disconnect, closed coupling arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201482016U CN201237537Y (en) | 2008-07-25 | 2008-07-25 | Temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201482016U CN201237537Y (en) | 2008-07-25 | 2008-07-25 | Temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201237537Y true CN201237537Y (en) | 2009-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201482016U Expired - Fee Related CN201237537Y (en) | 2008-07-25 | 2008-07-25 | Temperature sensor |
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| CN (1) | CN201237537Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519626A (en) * | 2011-12-09 | 2012-06-27 | 沈阳工业大学 | Novel temperature measuring device for switch cabinet |
| CN102759409A (en) * | 2012-07-07 | 2012-10-31 | 嵊州市电力公司 | Online monitoring device for temperature of contact arms of high-voltage circuit breaker of 10-KV high-current switch cabinet |
| CN102778307A (en) * | 2011-05-10 | 2012-11-14 | 上海科能电气科技有限公司 | High voltage point temperature measurement system based on wireless power source |
| CN103076105A (en) * | 2012-12-27 | 2013-05-01 | 北京蓝派克电力科技有限公司 | Passive wireless temperature sensor |
| CN103218903A (en) * | 2013-03-14 | 2013-07-24 | 广西电网公司电力科学研究院 | Extreme low-power high voltage switch board wireless temperature measurement transmitting-receiving sub-node system |
| CN103411692A (en) * | 2013-08-09 | 2013-11-27 | 南京大全自动化科技有限公司 | Temperature measuring device for circuit breaker contact |
| CN103592038A (en) * | 2013-11-29 | 2014-02-19 | 国家电网公司 | High-voltage wire temperature wireless detection device |
| CN107907242A (en) * | 2017-10-25 | 2018-04-13 | 河海大学 | A kind of high voltage bus tie point passive contact-free temperature measuring equipment |
-
2008
- 2008-07-25 CN CNU2008201482016U patent/CN201237537Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102778307A (en) * | 2011-05-10 | 2012-11-14 | 上海科能电气科技有限公司 | High voltage point temperature measurement system based on wireless power source |
| CN102519626A (en) * | 2011-12-09 | 2012-06-27 | 沈阳工业大学 | Novel temperature measuring device for switch cabinet |
| CN102759409A (en) * | 2012-07-07 | 2012-10-31 | 嵊州市电力公司 | Online monitoring device for temperature of contact arms of high-voltage circuit breaker of 10-KV high-current switch cabinet |
| CN103076105A (en) * | 2012-12-27 | 2013-05-01 | 北京蓝派克电力科技有限公司 | Passive wireless temperature sensor |
| CN103076105B (en) * | 2012-12-27 | 2014-11-26 | 北京蓝派克电力科技有限公司 | Passive wireless temperature sensor |
| CN103218903A (en) * | 2013-03-14 | 2013-07-24 | 广西电网公司电力科学研究院 | Extreme low-power high voltage switch board wireless temperature measurement transmitting-receiving sub-node system |
| CN103411692A (en) * | 2013-08-09 | 2013-11-27 | 南京大全自动化科技有限公司 | Temperature measuring device for circuit breaker contact |
| CN103592038A (en) * | 2013-11-29 | 2014-02-19 | 国家电网公司 | High-voltage wire temperature wireless detection device |
| CN107907242A (en) * | 2017-10-25 | 2018-04-13 | 河海大学 | A kind of high voltage bus tie point passive contact-free temperature measuring equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450044, No. 18 cable Road, Jinshui District, Henan, Zhengzhou Patentee after: Suoling Electric Co., Ltd. Address before: 450044, No. 18 cable Road, Jinshui District, Henan, Zhengzhou Patentee before: Henan Suoling Electric Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090513 Termination date: 20170725 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |