CN208060031U - A kind of wireless temperature measuring device - Google Patents
A kind of wireless temperature measuring device Download PDFInfo
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- CN208060031U CN208060031U CN201820675033.XU CN201820675033U CN208060031U CN 208060031 U CN208060031 U CN 208060031U CN 201820675033 U CN201820675033 U CN 201820675033U CN 208060031 U CN208060031 U CN 208060031U
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- wireless temperature
- temperature measuring
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Abstract
The utility model discloses a kind of wireless temperature measuring devices,Including wireless temperature measuring device ontology,Wireless temperature online detection system,Connecting groove is equipped on wireless temperature measuring device ontology,Control panel,Loud speaker,Display,It is controlled by the chip microprocessor of radio temperature sensor in wireless temperature measuring device ontology and equipment under test temperature is converted into digital signal by temperature sensor,Thermometric communication terminal is transferred to by wirless transmitting and receiving module again,By microprocessor by collected temperature information,A computer is uploaded to by RS485 serial communication interfaces,Temperature monitoring computer acquires the running temperature data of each monitoring point from thermometric communicating terminal,Make long-term preservation in the database,The temperature variation curve of real-time display monitoring point,And it is analyzed,Once it was found that temperature overheating,Or steep temperature rise is alarmed immediately to setting alarm temperature,It realizes to stay indoors and grasps the heat condition of whole system.
Description
Technical field
The utility model is related to wireless temperature measurement technical field, specially a kind of wireless temperature measuring device.
Background technology
Electrical equipment of electric system is generally by electrical equipments such as breaker, transformer, cable, busbar, switchgears
Composition.It is between each other by connections such as busbar, lead, cables, since electric current flows through generation heat, so almost all of electrical
Failure can all lead to the variation of fault point temperature.Such as in power plant middle cable connector, cable intermediate connections, high-tension cable
The positions such as shelf depreciation, the dynamic/static contact of high-tension switch cabinet and other junctions, low-voltage electrical junction overheat is large-scale accident
Sign be also the multiple severely afflicated area of Power Plant Accident.For many years since the limitation of technical merit keeps safe operation of power system horizontal
It is subject to certain restrictions.Although we once utilize infrared radiation thermometer, infrared thermoviewer, temperature sensing cable, traditional point type temp measuring system
Wish to solve the above problems, but all cannot achieve in switchgear such as breaker, disconnecting link interface and contact temperature measurement.To totally-enclosed gold
Category armored cabinet is even more helpless, and optical fiber and grating sensing temperature failure monitoring system thoroughly solves this difficult and complicated cases, realizes
The real-time online of running equipment of electric system detects, and by the analysis and prediction to equipment real time data, prevents accident
Occur, veritably accomplishes and prevent trouble before it happens.Secondly also it is to realize repair based on condition of component from now on, improves overhaul efficiency, substantially reduce maintenance
Cost and management cost play crucial effect.
Currently, domestic electrical thermometric mainly applies infrared point to survey instrument and optic fiber thermometer, and online mode is due to that can not solve
Certainly high-voltage isulation problem, so the limited electrical equipment in the spaces such as contact of high-voltage switch gear is essentially all in entirely without monitoring
In the state of run, and high-grade substation is there is two big hidden danger, and one is voltage class height, and one is area coverage
Greatly, therefore, with the development of wireless temperature measurement technology, also gradually approved by people in electric power temp measuring system, especially in recent years,
Wireless temperature measurement system is used by more power plant and electric company.Converge the wireless temperature measurement that can reach the exploitation of power technology Co., Ltd in Beijing
Temp measuring system, the advantages of not only maintaining original wireless temperature measurement, but also thermometric polarization is more greatly improved, reduce thermometric
Period.And the low lesson of system stability of optical fiber temperature-measurement series system is drawn, solve the problems, such as antifouling work, and due to adopting
With wireless signal transmission, electromagnetic interference and periodic maintenance problem is not present, can long-term non-maintaining reliability service, comply fully with change
The unattended demand in power station.
Utility model content
The purpose of this utility model is to provide it is a kind of can be to the device temperature situation of change under a variety of severe environmental conditions
It realizes scene, remotely monitor early warning on-line simultaneously, one kind that the personnel that maintain easily grasp equipment operation condition in time comprehensively is wireless
Temperature measuring equipment, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions：A kind of wireless temperature measuring device, including it is wireless
The front of temperature measuring equipment ontology, wireless temperature online detection system, the wireless temperature measuring device ontology is equipped with display, described aobvious
Show that the right end of device is equipped with control panel, loud speaker, the right side of the wireless temperature measuring device ontology is equipped with connecting groove, the wireless survey
Warm device body is internally provided with wireless temperature online detection system.
Preferably, the wireless temperature online detection system is equipped with radio temperature sensor, the wireless temperature sensing
The right end of device is equipped with thermometric communication terminal, and the right end of the thermometric communication terminal is equipped with warning module.
Preferably, the radio temperature sensor is equipped with processor unit, and the left end of the processor unit is equipped with electricity
The upper end of source module, the processor unit is equipped with wireless communication module, and the lower section connecting pin of the processor unit, which is equipped with, adjusts
Interface module is tried, the right end of the processor unit is equipped with Digital Measurement of Temperature module.
Preferably, the thermometric communication terminal is equipped with processor unit, and the left end of the processor unit is equipped with power supply
The upper end of module, the processor unit is equipped with wireless communication module, and the lower section connecting pin of the processor unit is equipped with debugging
The right end of interface module, the processor unit is equipped with RS485 serial communication modules.
Preferably, the wireless communication module use 2.4G open frequency ranges (ISM), working frequency be 2400~
2483.5MHZ, the wireless communication module are based on ZigBee technology, meet IEEE802.15.4 standards.
Preferably, the RS485 serial communication modules use dual power supply.
Compared with prior art, the utility model has the beneficial effects that：
(1) wireless temperature measuring device ontology can to the device temperature situation of change under a variety of severe environmental conditions realize scene,
It is long-range to monitor early warning on-line simultaneously, it maintains easily personnel and grasps equipment operation condition in time comprehensively；
(2) wireless temperature measuring device ontology can show the distribution in entire temperature field in the form of electronic map, can clearly send out
Existing temperature anomaly point, judges potential faults, takes measures in advance, avoid the generation of accident.
Description of the drawings
Fig. 1 is the utility model wireless temperature measuring device body construction schematic diagram；
Fig. 2 is the utility model wireless temperature online detection system schematic；
Fig. 3 is the utility model radio temperature sensor schematic diagram；
Fig. 4 is the utility model thermometric communication terminal schematic diagram；
Fig. 5 is the utility model digital temp measuring circuit schematic diagram；
Fig. 6 is the utility model serial communication module circuit diagram.
In figure：1, wireless temperature measuring device ontology；2, wireless temperature online detection system；3, connecting groove；4, control panel；5,
Loud speaker；6, display；7, radio temperature sensor；8, thermometric communication terminal；9, warning module；10, processor unit；11,
Power module；12, wireless communication module；13, debugging interface module；14, Digital Measurement of Temperature module；15, RS485 serial communications connect
Mouthful.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It please refers to Fig.1, the utility model provides a kind of technical solution：A kind of wireless temperature measuring device, including wireless temperature measurement dress
Ontology 1, wireless temperature online detection system 2 are set, the front of wireless temperature measuring device ontology 1 is equipped with display 6, the right side of display 6
End is equipped with connecting groove 3, wireless temperature measuring device ontology 1 equipped with control panel 4, loud speaker 5, the right side of wireless temperature measuring device ontology 1
Be internally provided with wireless temperature online detection system 2.
Fig. 2, Fig. 3 or Fig. 5 are please referred to, wireless temperature online detection system 2 is equipped with radio temperature sensor 7, wireless temperature
Spend sensor 7 and be equipped with processor unit 10, the left end of processor unit 10 is equipped with power module 11, processor unit 10 it is upper
End is equipped with wireless communication module 12, and the lower section connecting pin of processor unit 10 is equipped with debugging interface module 13, processor unit 10
Right end be equipped with Digital Measurement of Temperature module 14, the right end of radio temperature sensor 7 is equipped with thermometric communication terminal 8, in Digital Measurement of Temperature mould
Block 14 is controlled the switching of lithium battery power supply by processor unit by Q1, to realize that the function of low-power consumption, R4 pull-up resistors are stablized
The input control level of Q1, to improve the stability contorting to temperature transducer power supply, lithium battery is when metal-oxide-semiconductor field effect transistor Q1 is opened
Accurate reference voltage is generated by power reference voltage-stablizer U2 by current-limiting resistance R5, lithium battery is opened in metal-oxide-semiconductor field effect transistor Q1
When the bleeder circuit that is formed by high-accuracy resistance R3 and temperature sensor RT 1, realize the temperature acquisition to high temperature contact, place
Device unit is managed by acquisition PB0 points, the voltage signal of PB2 points, PD0 points, accurate PD0 points are generated by power reference voltage-stablizer U2
Voltage signal may be implemented electric quantity of lithium battery measurement and high temperature contact temperature acquisition, to realize that radio temperature sensor is strong
Big measurement function.
Thermometric communication terminal 8 is responsible for receiving the temperature data that each radio temperature sensor is sent out, and grows in the database
Phase preserves, real-time display monitoring point, and local monitoring system can be directly uploaded to by RS232 mouthfuls or RS485 serial communication interfaces
System and main website, each collecting unit be also used as separate unit cooperation it is comprehensive data are uploaded to main station system from module, with reality
Now monitor each measured point temperature in real time from main website.
Fig. 4 or Fig. 6 is please referred to, thermometric communication terminal 8 is equipped with processor unit 10, and the left end of processor unit 10 is equipped with
The upper end of power module 11, processor unit 10 is equipped with wireless communication module 12, and the lower section connecting pin of processor unit 10 is equipped with
Debugging interface module 13, debugging interface module 13 is downloaded to processor unit using jtag interface and debugging routine.Digital Measurement of Temperature
Module use digital temperature sensor collect contacts temperature, digital temperature sensor have very high temperature measurement accuracy ± 0.5 DEG C and
0.0625 DEG C of high-resolution, and so that the service life of lithium battery is more than 5 years with suspend mode low-power consumption mode, and it is logical by I2C
Letter mode is connected to processor unit, and the right end of processor unit 10 is equipped with RS485 serial communication modules 15, is communicated eventually in thermometric
The right end at end 8 is equipped with warning module 9, and RS485 serial communication modules 15 are by photoelectrical coupler OP1, OP2 isolation communication, to reach
To the function of electrical isolation, current-limiting resistance R1, R8 protect the LED operation of photoelectrical coupler OP1, OP2 in the electricity of safety
It flows in range.Pull-up resistor R2, R3 play the role of stable photoelectrical coupler OP1, OP2 output level, enhance the stabilization of circuit
Property.Current-limiting resistance R4, pull-up resistor R5, double pole triode Q1 form NOT gate operating circuit, make 485 communication chip original states
Stablize in reception state, pull-up resistor R6, pull down resistor R7 stablize the level of 485 communication chip data out pin, and overcurrent is protected
Shield resistance R9, R10 make RS485 serial communication interface data out pin be operated within the scope of safe current, and transient state inhibits two poles
Pipe TVS3, TVS4 protect 485 communication chip data out pin to be operated within the scope of safe voltage.
For wireless communication module 12 using 2.4G open frequency ranges (ISM), working frequency is 2400~2483.5MHZ, channel radio
Believe that module 12 is based on ZigBee technology, meet IEEE802.15.4 standards, RS485 serial communication modules 15 are supplied using dual power supply
Electricity.
Wireless temperature measuring device ontology 1 is controlled by the processor unit 10 of radio temperature sensor 7 by equipment under test temperature
Digital signal is converted by temperature sensor, then thermometric communication terminal is transferred to by wirless transmitting and receiving module, passes through processing
Device unit 10 uploads to a PC computer by collected temperature information, by RS485 serial communication interfaces 15.It will be multiple
Sensing electronic label is distributed in around thermometric communication terminal, can arbitrarily be added, deletes, is moved in effective communication context
Temperature measurement terminal, thermometric communication terminal are then mounted on control centre, each point temperature of control centre's computer software real time monitoring
Variation, temperature monitoring computer acquire the running temperature data of each monitoring point from thermometric communicating terminal, make in the database long-term
It preserves, the temperature variation curve of real-time display monitoring point, and being analyzed, once find temperature overheating or steep temperature rise to setting
It sets alarm temperature to alarm immediately, realizes to stay indoors and grasp the heat condition of whole system.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of wireless temperature measuring device, including wireless temperature measuring device ontology (1), wireless temperature online detection system (2), feature
It is：The front of the wireless temperature measuring device ontology (1) is equipped with display (6), and the right end of the display (6) is equipped with control plane
The right side of plate (4), loud speaker (5), the wireless temperature measuring device ontology (1) is equipped with connecting groove (3), the wireless temperature measuring device sheet
Body (1) is internally provided with wireless temperature online detection system (2).
2. a kind of wireless temperature measuring device according to claim 1, it is characterised in that：The wireless temperature online detection system
(2) it is equipped with radio temperature sensor (7), the right end of the radio temperature sensor (7) is equipped with thermometric communication terminal (8), institute
The right end for stating thermometric communication terminal (8) is equipped with warning module (9).
3. a kind of wireless temperature measuring device according to claim 2, it is characterised in that：On the radio temperature sensor (7)
Equipped with processor unit (10), the left end of the processor unit (10) is equipped with power module (11), the processor unit
(10) upper end is equipped with wireless communication module (12), and the lower section connecting pin of the processor unit (10) is equipped with debugging interface module
(13), the right end of the processor unit (10) is equipped with Digital Measurement of Temperature module (14).
4. a kind of wireless temperature measuring device according to claim 2, it is characterised in that：It is set on the thermometric communication terminal (8)
There are processor unit (10), the left end of the processor unit (10) to be equipped with power module (11), the processor unit (10)
Upper end be equipped with wireless communication module (12), the lower section connecting pin of the processor unit (10) is equipped with debugging interface module
(13), the right end of the processor unit (10) is equipped with RS485 serial communication modules (15).
5. a kind of wireless temperature measuring device according to claim 3, it is characterised in that：The wireless communication module (12) uses
2.4G open frequency ranges (ISM), working frequency are 2400~2483.5MHZ, and the wireless communication module (12) is based on ZigBee skills
Art meets IEEE802.15.4 standards.
6. a kind of wireless temperature measuring device according to claim 4, it is characterised in that：The RS485 serial communication modules
(15) dual power supply is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820675033.XU CN208060031U (en) | 2018-05-08 | 2018-05-08 | A kind of wireless temperature measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820675033.XU CN208060031U (en) | 2018-05-08 | 2018-05-08 | A kind of wireless temperature measuring device |
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| Publication Number | Publication Date |
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| CN208060031U true CN208060031U (en) | 2018-11-06 |
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| CN201820675033.XU Active CN208060031U (en) | 2018-05-08 | 2018-05-08 | A kind of wireless temperature measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112872526A (en) * | 2021-01-11 | 2021-06-01 | 武汉倍普科技有限公司 | Reflow furnace stability detection method |
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2018
- 2018-05-08 CN CN201820675033.XU patent/CN208060031U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112872526A (en) * | 2021-01-11 | 2021-06-01 | 武汉倍普科技有限公司 | Reflow furnace stability detection method |
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