CN110068396A - A kind of wireless thermocouple and the temperature measuring equipment using the thermocouple - Google Patents
A kind of wireless thermocouple and the temperature measuring equipment using the thermocouple Download PDFInfo
- Publication number
- CN110068396A CN110068396A CN201910460001.7A CN201910460001A CN110068396A CN 110068396 A CN110068396 A CN 110068396A CN 201910460001 A CN201910460001 A CN 201910460001A CN 110068396 A CN110068396 A CN 110068396A
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- thermocouple
- electronics storehouse
- circuit board
- data
- wireless
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses the temperature measuring equipments of a kind of wireless thermocouple and the application thermocouple, including receiving host, protective case, electronics storehouse, circuit board and thermocouple, the inside of protective case is arranged in the thermocouple, one end of thermocouple extends to the inside in electronics storehouse and connect with circuit board, the circuit board is equipped with data acquisition module, Data Frontend processing module, data processing module, wireless communication module, thermo-electromotive force is acquired from thermocouple by data acquisition module, amplify again through Data Frontend processing module, the processing such as filtering, analog signal is converted to by digital signal by data processing module again, and combine the temperature characterisitic of cold-junction compensation signal and thermocouple, thermo-electromotive force is directly changed into temperature, and send wireless communication module to, wireless communication module is according to the data delivery requirement and communications protocol pre-set, Receiving host is transferred data to, while receiving host by data receiver and is transmitted to cloud platform, realizes the gridding control of temperature.
Description
Technical field
The present invention relates to the temperature measuring equipments of a kind of wireless thermocouple and the application thermocouple.
Background technique
In industrial processes, temperature is to need one of measurement and the important parameter controlled.In temperature measurement, thermoelectricity
Occasionally thermal resistance using extremely wide, it has, and structure is simple, easily manufactured, measurement range is wide, precision is high, inertia is small and defeated
Signal is convenient for many advantages, such as teletransmission out.In addition, since thermoelectricity occasionally thermal resistance is a kind of active sensor, when measurement, is not required to outer
It powers up, Energy in use is low, so being often used as the temperature of measurement stove, the gas in pipeline or liquid and the surface temperature of solid
Degree.
Existing thermoelectricity occasionally thermal resistance shape is in different states because of needs, but their basic composed structure is but
It is roughly the same, it is usually made of major parts such as thermode, insulation sleeve protection pipe and terminal boxes, usual and display instrument, record
Instrument and electronic controller match.The basic principle of thermocouple temperature measurement is the material conductor composition closure of two kinds of different components
Circuit, thermocouple there is electronic between both ends at this time when both ends are there are just having electric current when temperature gradient, in circuit to pass through
Gesture --- thermo-electromotive force, here it is so-called Seebeck effects.The homogeneous conductor of two kinds of different components is thermode, and temperature is higher
One end be working end, the lower one end of temperature be free end, free end is generally under some stationary temperature.According to thermoelectricity
The functional relation of kinetic potential and temperature, is made thermocouple indexing table；If when measurement, (environment) temperature change of cold end, by serious shadow
Ring the accuracy of measurement.Therefore it takes certain measure to compensate in cold end, influences to be known as thermoelectricity as caused by cold junction temperature variation
Even cold junction compensation is normal.
The faint thermo-electromotive force signal that thermocouple senses is sent to display instrument in the prior art simultaneously to generally require to grow
Long conducting wire, and the signal is analog signals, such thermo-electromotive force signal is highly susceptible to interfere during transmission, shadow
Ring the reliability of data；In addition the mode of wire transmission is at high cost, maintenance difficulties are bigger；Analog signal is also inconvenient to control simultaneously
Use of the system processed to data.The prior art uses compensating wire in terms of cold junction compensation simultaneously, and but its structure is complex, cannot be complete
The actual temperature of full accurate response cold end.If measured target temperature is relatively high, temperature is easy conduction cold end, causes cold junction temperature
With hot-side temperature difference very little, it is difficult to embody the test advantage of thermocouple, the height of cold end by the way of temperature-compensating
Temperature is also easy to the problems such as causing the service life of electronic device to decline.
Summary of the invention
The technical problem to be solved in the present invention is to provide one kind to connect without cable, and use cost is low, easy for installation, temperature
Precisely, temperature information can be transmitted to receiving host by the mode of wireless signal, is easy to implement by electronics storehouse good airproof performance for measurement
The gridding of temperature controls, and with practicability and uses the temperature measuring equipment of the wireless thermocouple and application of the popularity thermocouple.
To solve the above problems, the present invention adopts the following technical scheme:
A kind of wireless thermocouple and the temperature measuring equipment using the thermocouple, including receiving host, protective case, electronics storehouse, electricity
The upper end of road plate and thermocouple, electronics storehouse is equipped with an electronics warehouse lid, and the inside of protective case, thermocouple is arranged in the thermocouple
One end extend to the inside in electronics storehouse and connect with circuit board, the circuit board be equipped with data acquisition module, Data Frontend
Processing module, data processing module, wireless communication module, data acquisition module from thermocouple for acquiring thermo-electromotive force, number
It is used to amplify the analog signal of acquisition according to front end processing block, be filtered, data processing module will be for that will simulate letter
It number is converted to digital signal, and combines the temperature characterisitic of cold-junction compensation signal and thermocouple, thermo-electromotive force is directly converted
At temperature and send wireless communication module to, wireless communication module is used to send to data information receiving host, described wireless
Communication module includes data transceiving unit and antenna, and the data acquisition module is connect with thermocouple, the upper end of the circuit board
Equipped with a temp probe, the thermocouple includes hot electrode and negative thermal electrode, and hot electrode is connected with negative thermal electrode bottom
Hot end is formed, the upper end and circuit board of hot electrode and negative thermal electrode are directly connected to and constitute the cold end of thermocouple.
The circuit board is equipped with the first binding post and the second binding post, the cold end point of the hot electrode and negative thermal electrode
Do not connected in the first binding post and the second binding post, the temp probe is fixed on the first binding post, the temp probe with
Heat conductive silica gel is equipped between first binding post.
The side in the electronics storehouse is equipped with the plug interface of outwardly convex, is equipped with a plug on plug interface, described
The inside of plug interface is equipped with a cavity, and antenna is mounted in cavity, and antenna is connect with data transceiving unit, and the plug is
Plastic material.
The inside in the electronics storehouse is equipped with fixed power source, is equipped with a power socket in the electronics storehouse, fixed power source is fixed
On power socket, using the connector connection with lead between fixed power source and circuit board.
The interior lower end in the electronics storehouse is equipped with the boss to extend internally, and boss is equipped with groove, is equipped with second in groove
Sealing ring, the bottom in the electronics storehouse are equipped with the extension to extend internally, and the top of extension is equipped with groove, and the is equipped in groove
One sealing ring.
The inside in the electronics storehouse is equipped with a cover board, and two copper posts are equipped between the circuit board and cover board, copper post
Lower end passes through cover board and is threadedly coupled with the boss inside electronics storehouse, and cover board is fixed on boss, and the circuit board is fixed on
The upper end of copper post.
The junction of the copper post and cover board is equipped with third sealing ring.
The extension, cover board form an annular sealing cavity, the bottom of the annular sealing cavity between electronics storehouse
Equipped with air inlet and venthole, air inlet and venthole run through the bottom in electronics storehouse.
A baffle is equipped between the air inlet and venthole, the two sides of baffle are separately connected boss and extension.
The protective case is connect with electronics storehouse, and electronics storehouse, electronics warehouse lid, protective case, plug constitute a seal structure, close
Seal structure body accommodates thermocouple, circuit board and antenna wherein, and an attachment base, attachment base are welded on the outside of the protective case
It is equipped with screw thread.
The present invention carries out thermometric to cold end by the way that temp probe is arranged in one end of thermocouple cold junction, by temp probe,
Improve the accuracy of temperature detection；By data acquisition module, Data Frontend processing module being arranged in electronics storehouse, at data
Module, wireless communication module are managed, so that the thermo-electromotive force of thermocouple sensing, is directly converted into temperature signal in electronics storehouse, is believed
It is number few by external interference, the reliability of the data of test is improved, while the temperature data of acquisition can be wirelessly transferred,
The mode for needing cable in the past is changed, use cost is reduced, so that it is more convenient to use for temperature measuring equipment, has simultaneously
Conducive to the grid-based management of temperature measuring equipment；Simultaneously by being sealed setting to electronics storehouse, so that heat and external environment will not
Interference is generated to the electronic component in electronics storehouse, increases accuracy when temperature detection, while improving each electronic component
Service life, with practicability and the popularity used.
The circuit board is equipped with the first binding post and the second binding post, the positive thermoelectricity as a preferred technical solution,
Pole is connected with the cold end of negative thermal electrode respectively at the first binding post and the second binding post, and the temp probe is fixed on the first wiring
On column, heat conductive silica gel is equipped between the temp probe and the first binding post.
The setting enables temp probe accurately to measure the temperature of thermocouple cold junction, while improving it precisely
Property.
The side in the electronics storehouse is equipped with the plug interface of outwardly convex as a preferred technical solution, on plug interface
One plug is installed, the inside of the plug interface is equipped with a cavity, and antenna is mounted in cavity, antenna and data transmit-receive
Unit connection, the plug are plastic material.
The setting so that electronics storehouse has preferable leakproofness, while ensure that the wireless signal on antenna can be normal
Transmitting, enables temperature measuring equipment to work normally.
The inside in the electronics storehouse is equipped with fixed power source as a preferred technical solution, is equipped with one in the electronics storehouse
Power socket, fixed power source are fixed on power socket, using the connector connection with lead between fixed power source and circuit board.
The setting, so that temperature measuring equipment can be carried out work by internal power supply, when use, is more convenient；Simultaneously
Facilitate the replacement of subsequent fixed power supply.
The interior lower end in the electronics storehouse is equipped with the boss to extend internally as a preferred technical solution, and boss is equipped with
Groove is equipped with the second sealing ring in groove, and the bottom in the electronics storehouse is equipped with the extension to extend internally, and the top of extension is set
It is fluted, the first sealing ring is equipped in groove.
The setting, so that electronics storehouse has preferable leakproofness, the heat inside protective case will not flow directly into electronics storehouse
In, so that temperature will not impact the electronic component inside electronics storehouse, while improving the accuracy of temperature detection.
The inside in the electronics storehouse is equipped with a cover board as a preferred technical solution, between the circuit board and cover board
Equipped with two copper posts, the lower end of copper post passes through cover board and is threadedly coupled with the boss inside electronics storehouse, and cover board is fixed on boss
On, the circuit board is fixed on the upper end of copper post.
The setting, so that a certain distance is maintained between cover board and circuit board, so that the temperature on cover board will not be to electricity
Road plate impacts, and improves the service life of each electronic component on circuit board and circuit board.
The junction of the copper post and cover board is equipped with third sealing ring as a preferred technical solution,.
The setting prevents the heat in annular sealing cavity from entering the inside in electronics storehouse along copper post, guarantees in electronics storehouse
The normal work of electronic component, improves the service life of electronic component, indirectly improves accuracy when temperature detection.
As a preferred technical solution, the extension, cover board, an annular sealing cavity, institute are formed between electronics storehouse
The bottom for stating annular sealing cavity is equipped with air inlet and venthole, and air inlet and venthole run through the bottom in electronics storehouse.
The setting allows annular sealing cavity to lead to the strength that compressed air or nitrogen etc. have pressure, by having
The sealing cavity circulation of the gas of pressure, takes heat out of seal chamber, prevents heat transfer from entering in electronics storehouse, while improving temperature
Spend the accuracy of detection.
A baffle is equipped between the air inlet and venthole as a preferred technical solution, the two sides of baffle are distinguished
Connect boss and extension.
The setting, so that the gas in annular sealing cavity is capable of forming a circulation, it will be internal by the effect of circulation
Heat take out of.
The protective case is connect with electronics storehouse as a preferred technical solution, electronics storehouse, electronics warehouse lid, protective case, plug
A seal structure is constituted, seal structure accommodates thermocouple, circuit board and antenna wherein, and the outside of the protective case is welded
There is an attachment base, attachment base is equipped with screw thread.
The setting so that temperature measuring equipment has preferable leakproofness, while being convenient for the installation and fixation of temperature measuring equipment.
The beneficial effects of the present invention are:
One, it is connected without cable, simplifies mounting structure, save use cost.
Two, thermocouple is using wirelessly carrying out data transmission, when use can with arbitrary networking, install apply it is very convenient.
Three, electronics storehouse integral sealing, heat and external factor are difficult to impact electronics storehouse internal electronic element, electronics
Element manipulation stability is good, and temperature test accuracy is high.
Four, temp probe improves the accuracy of temperature test directly to cold end thermometric.
Five, the thermo-electromotive force of thermocouple sensing, is directly converted into temperature signal in electronics storehouse, say signal is dry by the external world
It disturbs less, improves the reliability of test data.
Six, electronics storehouse lower part setting air inlet and venthole, on the one hand ensure that the stabilization of the temperature of cold end, on the other hand
The environment temperature in electronics storehouse is also reduced, the element manipulation stability in electronics storehouse is improved.
Detailed description of the invention
Illustrate the embodiment of the present invention or technical solution in the prior art for more Chu, it below will be to embodiment or existing
Attached drawing needed in technical description is briefly described, but is not limiting the scope of the invention.
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is diagrammatic cross-section of the invention；
Fig. 3 is thermocouple location schematic diagram of the invention；
Fig. 4 is fixed power source scheme of installation of the invention；
Fig. 5 is binding post scheme of installation of the invention；
Fig. 6 is baffle position view of the invention；
Fig. 7 is sealing ring scheme of installation of the invention；
Fig. 8 is the principle of the present invention schematic diagram；
Wherein, 1. protective case, 2. electronics storehouses, 3. electronics warehouse lids, 4. plugs, 5. attachment bases, 6. hot electrodes, 7. negative thermoelectricity
Pole, 8. circuit boards, 9. fixed power sources, 10. power sockets, 11. antennas, 12. plug interfaces, 13. cover boards, 14. annular sealing cavities,
15. copper post, 16. temp probes, 17. first sealing rings, 18. second sealing rings, 19. air inlets, 20. ventholes, 21. baffles,
22. extension, 23. boss, 24. first binding posts, 25. capacitors, 26. data acquisition modules, 27. Data Frontend processing modules,
28. data processing module, 29. wireless communication modules, 30. data transceiving units, 31. receiving hosts, 32. cloud platforms, 33.
Three sealing rings, 34. second binding posts.
Specific embodiment
A kind of wireless thermocouple referring to FIG. 1 to 8 and the temperature measuring equipment using the thermocouple, including protective case 1,
Electronics storehouse 2, circuit board 8, thermocouple, receiving host 31 and cloud platform 32, protective case 1 are connect with electronics storehouse 2, electronics storehouse 2
Upper end is equipped with an electronics warehouse lid 3, and the outside of the protective case 1 is welded with an attachment base 5, and attachment base 5 is equipped with screw thread, institute
The inside that protective case 1 is arranged in thermocouple is stated, one end of thermocouple extends to the inside in electronics storehouse 2 and connect with circuit board 8, institute
Circuit board 8 is stated equipped with data acquisition module 26, Data Frontend processing module 27, data processing module 28, wireless communication module
29, data acquisition module 26 is used for the mould that will be acquired for acquiring thermo-electromotive force, Data Frontend processing module 27 from thermocouple
Quasi- signal is amplified, is filtered, and data processing module 28 is used to for analog signal being converted to digital signal, and combines cold end
Thermo-electromotive force is directly translated into temperature and sends wireless communication module to by the temperature characterisitic of temperature compensation signal and thermocouple
29, wireless communication module 29 is used to send data information to receiving host 31, and receiving host 31 is by data receiver and is transmitted to
Cloud platform 32 carries out grid-based management to data by cloud platform 32, and the wireless communication module 29 includes data transmit-receive
Unit 30 and antenna 11, the data acquisition module 26 are connect with thermocouple, and the upper end of the circuit board 8 is equipped with a temperature and visits
First 16, the thermocouple includes hot electrode 6 and negative thermal electrode 7, and hot electrode 6 connects to form hot end with 7 bottom of negative thermal electrode,
The upper end of hot electrode 6 and negative thermal electrode 7 and circuit board 8 are directly connected to and constitute the cold end of thermocouple, set on the circuit board 8
There are the first binding post 24 and the second binding post 34, the cold end of the hot electrode and negative thermal electrode is respectively at 24 He of the first binding post
Second binding post connection 34, the temp probe 16 is fixed on the first binding post 24, the temp probe 16 and the first wiring
Heat conductive silica gel (not shown) is equipped between column 24.
The side in the electronics storehouse 2 is equipped with the plug interface 12 of outwardly convex, is equipped with a plug on plug interface 12
4, the inside of the plug interface 12 is equipped with a cavity, and antenna 11 is mounted in cavity, antenna 11 and data transceiving unit 30
Connection, the plug 4 are plastic material, and the inside in the electronics storehouse 2 is equipped with fixed power source 9, and the inside in the electronics storehouse 2 is equipped with
One power socket 10, fixed power source 9 are fixed on power socket 10, and patching with lead is used between fixed power source 9 and circuit board 8
Part connection.
The interior lower end in the electronics storehouse 2 is equipped with the boss 23 to extend internally, and boss 23 is equipped with groove, is equipped in groove
Second sealing ring 18, the bottom in the electronics storehouse 2 are equipped with the extension 22 to extend internally, and the top of extension 22 is equipped with groove,
Be equipped with the first sealing ring 17 in groove, the inside in the electronics storehouse 2 is equipped with a cover board 13, the circuit board 6 and cover board 13 it
Between be equipped with two copper posts 15, the lower end of copper post 15 passes through cover board 13 and is threadedly coupled with the boss 23 inside electronics storehouse 2, and by cover board
13 are fixed on boss 23, and the circuit board 8 is fixed on the upper end of copper post 15, and the copper post 15 and the junction of cover board 13 are equipped with
Third sealing ring 33, the extension 22, cover board 13 form an annular sealing cavity 14 between electronics storehouse 2, and the annular is close
The bottom for sealing cavity 14 is equipped with air inlet 19 and venthole 20, and air inlet 19 and venthole 29 run through the bottom in electronics storehouse 2, described
A baffle 21 is equipped between air inlet 19 and venthole 20, the two sides of baffle 21 are separately connected boss 23 and extension 22.
The present invention is logical in use, temperature measuring equipment can be fixed on testee by attachment base according to service condition
It crosses data acquisition module and acquires thermo-electromotive force from thermocouple, then analog signal is amplified through Data Frontend processing module,
The processing such as filtering, then analog signal is converted to by digital signal by data processing module, while by temp probe to cold end
Thermo-electromotive force is directly translated into temperature and sent to by thermometric in conjunction with the temperature characterisitic of cold-junction compensation signal and thermocouple
Wireless communication module, wireless communication module are transferred data to according to the data delivery requirement and communications protocol that pre-set
Receiving host by data receiver and is transmitted to cloud platform finally by receiving host, realizes the gridding pipe of data information
Control.
During use, when there is higher temperature when thermocouple work, temperature is transferred to the present invention by extension
Annular sealing cavity, by the air inlet and venthole of electronics storehouse lower end, by the effect of air circulation, by annular sealing cavity
Internal heat is taken out of, achievees the purpose that cooling, so that temperature is difficult to pass into the inside in electronics storehouse, guarantees inside electronics storehouse
The stability of temperature, improves the accuracy of test, while improving the service life of electronics storehouse internal electronic element.
Data acquisition module of the invention, data processing module, leads between wireless communication module at Data Frontend processing module
Oversampling circuit connection.
Electronics storehouse of the invention is all-sealed structure.
Temp probe of the invention also may be mounted on the second binding post, can test cold end temperature by the second binding post
Degree.
The present invention realizes following advantages:
One, it is connected without cable, simplifies mounting structure, save use cost.
Two, thermocouple is using wirelessly carrying out data transmission, when use can with arbitrary networking, install apply it is very convenient.
Three, electronics storehouse integral sealing, heat and external factor are difficult to impact electronics storehouse internal electronic element, electronics
Element manipulation stability is good, and temperature test accuracy is high.
Four, temp probe improves the accuracy of temperature test directly to cold end thermometric.
Five, the thermo-electromotive force of thermocouple sensing, is directly converted into temperature signal in electronics storehouse, say signal is dry by the external world
It disturbs less, improves the reliability of test data.
Six, electronics storehouse lower part setting air inlet and venthole, on the one hand ensure that the stabilization of the temperature of cold end, on the other hand
The environment temperature in electronics storehouse is also reduced, the element manipulation stability in electronics storehouse is improved.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, it is any without
The change or replacement that creative work is expected are crossed, should be covered by the protection scope of the present invention.Therefore, protection of the invention
Range should be determined by the scope of protection defined in the claims.
Claims (10)
1. a kind of wireless thermocouple and application the thermocouple temperature measuring equipment, it is characterised in that: including receiving host, protective case,
The upper end of electronics storehouse, circuit board and thermocouple, electronics storehouse is equipped with an electronics warehouse lid, and the thermocouple is arranged in protective case
Portion, one end of thermocouple extend to the inside in electronics storehouse and connect with circuit board, the circuit board be equipped with data acquisition module,
Data Frontend processing module, data processing module, wireless communication module, data acquisition module from thermocouple for acquiring thermoelectricity
Kinetic potential, for Data Frontend processing module for amplifying, being filtered by the analog signal of acquisition, data processing module is used for will
Analog signal is converted to digital signal, and thermo-electromotive force is directly translated into temperature and sends wireless communication module to, wireless telecommunications
Module is used to send data information to receiving host, and the wireless communication module includes data transceiving unit and antenna, described
Data acquisition module is connect with thermocouple, and the upper end of the circuit board is equipped with a temp probe, and the thermocouple includes positive heat
Electrode and negative thermal electrode, hot electrode connect to form hot end with negative thermal electrode bottom, the upper end of hot electrode and negative thermal electrode with
Circuit board is directly connected to and constitutes the cold end of thermocouple.
2. the temperature measuring equipment of a kind of wireless thermocouple according to claim 1 and the application thermocouple, it is characterised in that: institute
Circuit board is stated equipped with the first binding post and the second binding post, the cold end of the hot electrode and negative thermal electrode connects respectively at first
Terminal and the connection of the second binding post, the temp probe are fixed on the first binding post, the temp probe and the first binding post
Between be equipped with heat conductive silica gel.
3. the temperature measuring equipment of a kind of wireless thermocouple according to claim 1 and the application thermocouple, it is characterised in that: institute
The side for stating electronics storehouse is equipped with the plug interface of outwardly convex, is equipped with a plug on plug interface, the plug interface
Inside is equipped with a cavity, and antenna is mounted in cavity, and antenna is connect with data transceiving unit, and the plug is plastic material.
4. the temperature measuring equipment of a kind of wireless thermocouple according to claim 1 and the application thermocouple, it is characterised in that: institute
The inside for stating electronics storehouse is equipped with fixed power source, is equipped with a power socket in the electronics storehouse, and fixed power source is fixed on power socket,
Using the connector connection with lead between fixed power source and circuit board.
5. the temperature measuring equipment of a kind of wireless thermocouple according to claim 1 and the application thermocouple, it is characterised in that: institute
The interior lower end for stating electronics storehouse is equipped with the boss to extend internally, and boss is equipped with groove, and the second sealing ring is equipped in groove, described
The bottom in electronics storehouse is equipped with the extension to extend internally, and the top of extension is equipped with groove, is equipped with the first sealing ring in groove.
6. the temperature measuring equipment of a kind of wireless thermocouple according to claim 5 and the application thermocouple, it is characterised in that: institute
The inside for stating electronics storehouse is equipped with a cover board, and two copper posts are equipped between the circuit board and cover board, and the lower end of copper post passes through lid
Plate is threadedly coupled with the boss inside electronics storehouse, and cover board is fixed on boss, and the circuit board is fixed on the upper end of copper post.
7. the temperature measuring equipment of a kind of wireless thermocouple according to claim 6 and the application thermocouple, it is characterised in that: institute
The junction for stating copper post and cover board is equipped with third sealing ring.
8. the temperature measuring equipment of a kind of wireless thermocouple according to claim 7 and the application thermocouple, it is characterised in that: institute
It states extension, cover board, form an annular sealing cavity between electronics storehouse, the bottom of the annular sealing cavity is equipped with air inlet
And venthole, air inlet and venthole are through the bottom in electronics storehouse.
9. the temperature measuring equipment of a kind of wireless thermocouple according to claim 8 and the application thermocouple, it is characterised in that: institute
It states and is equipped with a baffle between air inlet and venthole, the two sides of baffle are separately connected boss and extension.
10. the temperature measuring equipment of a kind of wireless thermocouple according to claim 1 and the application thermocouple, it is characterised in that:
The protective case is connect with electronics storehouse, and electronics storehouse, electronics warehouse lid, protective case, plug constitute a seal structure, seal structure
Thermocouple, circuit board and antenna are accommodated wherein, an attachment base is welded on the outside of the protective case, attachment base is equipped with spiral shell
Line.
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| CN201910460001.7A CN110068396B (en) | 2019-05-30 | 2019-05-30 | Wireless thermocouple |
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| CN201910460001.7A CN110068396B (en) | 2019-05-30 | 2019-05-30 | Wireless thermocouple |
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| CN110068396B CN110068396B (en) | 2020-11-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514309A (en) * | 2019-09-06 | 2019-11-29 | 杭州纵联科技有限公司 | A kind of radio temperature sensor and the wireless temperature measuring device comprising the sensor |
| CN110763362A (en) * | 2019-11-14 | 2020-02-07 | 中国计量科学研究院 | Pressure-controlled twisted platinum resistance thermometer |
| CN112903126A (en) * | 2021-01-26 | 2021-06-04 | 上海精普机电科技有限公司 | Wireless thermocouple and system |
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