CN207336423U - A kind of semiconductor gas sensor - Google Patents
A kind of semiconductor gas sensor Download PDFInfo
- Publication number
- CN207336423U CN207336423U CN201721512150.6U CN201721512150U CN207336423U CN 207336423 U CN207336423 U CN 207336423U CN 201721512150 U CN201721512150 U CN 201721512150U CN 207336423 U CN207336423 U CN 207336423U
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 25
- 230000005611 electricity Effects 0.000 claims description 21
- 241000883990 Flabellum Species 0.000 claims description 16
- 238000005266 casting Methods 0.000 claims description 7
- 238000005461 lubrication Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 25
- 238000010586 diagram Methods 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000001953 sensory effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 101100520142 Caenorhabditis elegans pin-2 gene Proteins 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910000428 cobalt oxide Inorganic materials 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 150000003623 transition metal compounds Chemical class 0.000 description 1
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Abstract
The utility model discloses a kind of semiconductor gas sensor,Its structure includes extending mechanism,Pin,Heat emission hole,Housing,Terminal pad,Extend mechanism to be arranged on the left of housing,Housing and extension mechanism are gap-matched,Extend mechanism by pin shaft,Contiguous block,Spill spin block,Rocking bar,Fixed block,Fixed plate,Radiator fan,Electrical connection,Support plate,Swingle,Lubricate block,Extend rope,Motor,Supporting block forms,Pin shaft is arranged on contiguous block bottom,Extend rope top and be equipped with spill spin block,Spill spin block and extension rope are gap-matched,User of service can follow the length of the random adjustment pin bar of size,Vast resources need not be spent to buy various sizes of device,It is easy to operate,Structure is obvious,And the flow velocity of device inner air can also be accelerated,Accelerate heat produced inside device,Effectively prevent influence of the heat to device inner body,Add the service life of device.
Description
Technical field
The utility model is a kind of semiconductor gas sensor, belongs to semiconductor gas sensor field.
Background technology
Sensor made of the property of change in resistance when being contacted using gas sensory with fuel gas, also known as semiconductor
Gas sensing resistance, gas sensor is exported by electric bridge and closed with being tested combustable gas concentration into certain by access electric bridge in measuring instrumentss
The electric signal of system, gas sensory material are generally p-type made of the metal oxide of non-chemical proportion or N-type semiconductor, N-type
There are tin oxide, indium oxide, manganese oxide etc., p-type has molybdenum oxide, nickel oxide, cobalt oxide etc., and the sensitivity of element is because being tested gas
Different and different EuE, has ether, ethanol, hydrogen and hexane etc. higher sensitivity, generally, as long as having in air 0.1% dense
The carbon monoxide or natural gas of degree are just enough the signal for providing alarm, since gas sensor is a kind of new device, to its work
Make principle there are two kinds of explanations, one kind, which is explained, is, when semiconductor gas sensor is contacted with fuel gas, will be produced on its surface
It is biochemical reaction and release heat, make element heat up and change resistivity；Another kind, which is explained, to be tested between gas and semiconductor
Produce carrier to exchange and cause resistance variations, make element surface heating and containing transition metal compound frequently with pre- thermal resistance
Method improve sensitivity and expand measurement range, semiconductor gas sensor has certain stability, usage time, environment temperature
Degree, influence of the humidity to performance are little, but it can't be used as a kind of accurate quantitative measurment instrument, stability, essence to it
Degree, repdocutbility etc. also need further to study, and according to the fundamental characteristics of gas sensor, the concentration of various fuel gas has been made at present
Detector, visit leakage alarm, in the industrial department extensive use such as oil, chemical industry, mining.
But prior art user of service can not adjustment pin bar length, cause user of service need spend the time select
It is suitably sized to use, and also need to preparation Multiple Type and be replaced, Warm status is chronically inside device, is easily made
Obtaining internal part is influenced by high temperature so as to damage.
Utility model content
In view of the deficienciess of the prior art, the utility model aim is to provide a kind of semiconductor gas sensor, to solve
User of service can not adjustment pin bar length, cause user of service need spend the time select it is suitably sized could use,
And also need to preparation Multiple Type and be replaced, Warm status is chronically inside device, easily so that internal part is by high temperature
Influence so as to the problem of damaging.
To achieve these goals, the utility model is to realize by the following technical solutions：A kind of Semiconductor gas sensors
Element, its structure include extending mechanism, pin, heat emission hole, housing, terminal pad, and the pin is arranged on housing bottom, described
Housing and pin are gap-matched, and the housing tip is equipped with heat emission hole, the heat emission hole and being integrated of housing knot
Structure, the housing bottom are fixed with terminal pad；
The extension mechanism is arranged on the left of housing, and the housing and extension mechanism are gap-matched, and described prolongs
Length measuring mechanism is by pin shaft, contiguous block, spill spin block, rocking bar, fixed block, fixed plate, radiator fan, electrical connection, support plate, rotation
Bar, lubrication block, extend rope, motor, supporting block composition, and the pin shaft is arranged on contiguous block bottom, the contiguous block
It is integrated with pin shaft, the contiguous block top is equipped with to extend and restricts, and the extension rope and contiguous block use gap
Coordinate, the extension rope top is equipped with spill spin block, and the spill spin block and extension rope are gap-matched, the spill spin block
It is fixed on swingle, fixed block is equipped with the left of the swingle, the fixed block and swingle are integrated,
The fixed block is fixed in fixed plate, and the fixed plate is arranged in support plate, and the support plate and fixed plate are
Integral structure, support plate right side are equipped with supporting block, and the supporting block and support plate are integrated, described
Upper surface is equipped with rocking bar on the left of fixed plate, and the rocking bar and fixed plate are gap-matched, support plate top installation
There is radiator fan, electrical connection is equipped with the right side of the radiator fan, the electrical connection and radiator fan are electrically connected, the electricity
Motor is equipped with the right side of wiring, the motor is connected by electrical connection with radiator fan；
The motor is made of connecting seat, terminal box, rear cover, machine barrel, bearing rod, and the connecting seat is arranged on machine
Cylinder bottom, the machine barrel and connecting seat are integrated, and the machine barrel front end face is equipped with terminal box, the terminal box
It is integrated with machine barrel, is fixed with rear cover on the left of the machine barrel, the machine barrel right side central is equipped with bearing rod, institute
The bearing rod and machine barrel stated are gap-matched.
Further, the radiator fan is made of flabellum, axis galvanic electricity machine, rotation axis, blower-casting.
Further, the flabellum is installed on rotation axis outer surface.
Further, axis galvanic electricity machine is equipped with the middle part of the rotation axis, the rotation axis and galvanic electricity machine are matched somebody with somebody using gap
Close.
Further, the flabellum outer surface is fixed with blower-casting.
Further, the flabellum is in curved shape.
Further, the axis galvanic electricity machine and electrical connection are electrically connected.
Beneficial effect
A kind of semiconductor gas sensor of the utility model, user of service hold rocking bar and are forcibly inserted into, and fix rocking bar insertion
Inside block, then user of service's rotating rocker, fixed block stress drives swingle to follow fixed block to rotate, on swingle
Spill spin block rotates, and drives to extend and restricts in Inner elongate shortening, and friction can be reduced by extending rope by lubricating block, when extension rope extends
The contiguous block of bottom can be driven to move down, contiguous block drives pin shaft to move down, and then motor running is power supply
Axis galvanic electricity machine is transmitted to by electrical connection, itself is rotated after axis galvanic electricity machine receives power supply, then axis galvanic electricity machine drives rotation axis rotation,
Flabellum rotation outside rotation axis, since flabellum is curved shape so as to accelerate the flow velocity of air, user of service can be with
With the length of the random adjustment pin bar of size, without spending vast resources to buy various sizes of device, easy to operate, structure is bright
It is aobvious, and the flow velocity of device inner air can also be accelerated, accelerate heat produced inside device, effectively prevent heat to device
The influence of inner body, adds the service life of device.
Brief description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon：
Fig. 1 is a kind of structure diagram of semiconductor gas sensor of the utility model；
Fig. 2 is the structure diagram that a kind of semiconductor gas sensor of the utility model extends mechanism；
Fig. 3 uses procedure chart for a kind of semiconductor gas sensor extension mechanism of the utility model；
Fig. 4 uses procedure chart for a kind of semiconductor gas sensor extension mechanism of the utility model；
Fig. 5 is a kind of structure diagram of semiconductor gas sensor motor of the utility model；
Fig. 6 is a kind of structure diagram of semiconductor gas sensor radiator fan of the utility model.
In figure：Extension mechanism -1, pin -2, heat emission hole -3, housing -4, terminal pad -5, pin shaft -101, contiguous block -
102nd, spill spin block -103, rocking bar -104, fixed block -105, fixed plate -106, radiator fan -107, electrical connection -108, support plate -
109th, swingle -110, lubrication block -111, extend rope -112, motor -113, supporting block -114, connecting seat -11301, connect
Wire box -110302, rear cover -110303, machine barrel -110304, bearing rod -110305, flabellum -10701, axis galvanic electricity machine -10702,
Rotation axis -10703, blower-casting -10704.
Embodiment
To make the technical means, creative features, achievable purpose and effectiveness that the utility model is realized easy to understand, below
With reference to embodiment, the utility model is expanded on further.
- Fig. 6 is please referred to Fig.1, the utility model provides a kind of semiconductor gas sensor technical solution：Its structure includes extending
Mechanism 1, pin 2, heat emission hole 3, housing 4, terminal pad 5, the pin 2 are arranged on 4 bottom of housing, the housing 4 and pin 2
It is gap-matched, 4 top of housing is equipped with heat emission hole 3, and the heat emission hole 3 and housing 4 are integrated, described
4 bottom of housing be fixed with terminal pad 5；
The extension mechanism 1 is arranged on the left side of housing 4, and the housing 4 and extension mechanism 1 are gap-matched, described
Extension mechanism 1 by pin shaft 101, contiguous block 102, spill spin block 103, rocking bar 104, fixed block 105, fixed plate 106, radiation air
Fan 107, electrical connection 108, support plate 109, swingle 110, lubrication block 111, extension rope 112, motor 113, supporting block 114
Composition, the pin shaft 101 are arranged on 102 bottom of contiguous block, and the contiguous block 102 and pin shaft 101 are integrated,
102 top of contiguous block, which is equipped with, extends rope 112, and the extension rope 112 and contiguous block 102 are gap-matched, described
112 top of extension rope be equipped with spill spin block 103, the spill spin block 103 and extend rope 112 and be gap-matched, the rotation
Switch block 103 is fixed on swingle 110, and the left side of swingle 110 is equipped with fixed block 105,105 He of fixed block
Swingle 110 is integrated, and the fixed block 105 is fixed in fixed plate 106, and the fixed plate 106 is arranged on
In support plate 109, the support plate 109 and fixed plate 106 are integrated, and the right side of support plate 109 is equipped with branch
Bracer 114, the supporting block 114 and support plate 109 are integrated, and the 106 left side upper surface of fixed plate is equipped with
Rocking bar 104, the rocking bar 104 and fixed plate 106 are gap-matched, and 109 top of support plate is provided with radiation air
Fan 107, the right side of radiator fan 107 are equipped with electrical connection 108, and the electrical connection 108 and radiator fan 107 are electrically connected,
The right side of electrical connection 108 is equipped with motor 113, and the motor 113 passes through electrical connection 108 and radiator fan
107 connections；
The motor 113 is by connecting seat 11301, terminal box 110302, rear cover 110303, machine barrel 110304, axis
Hold bar 110305 to form, the connecting seat 11301 is arranged on 110304 bottom of machine barrel, the machine barrel 110304 and connecting seat
11301 are integrated, and 110304 front end face of machine barrel is equipped with terminal box 110302,110302 He of terminal box
Machine barrel 110304 is integrated, and the left side of machine barrel 110304 is fixed with rear cover 110303, the machine barrel
110304 right side centrals are equipped with bearing rod 110305, and the bearing rod 110305 and machine barrel 110304 are gap-matched, institute
The radiator fan 107 stated is made of flabellum 10701, axis galvanic electricity machine 10702, rotation axis 10703, blower-casting 10704, described
Flabellum 10701 is installed on 10703 outer surface of rotation axis, and the middle part of rotation axis 10703 is equipped with axis galvanic electricity machine 10702, described
Rotation axis 10703 and galvanic electricity machine 10702 be gap-matched, 10701 outer surface of flabellum is fixed with blower-casting
10704, the flabellum 10701 is in curved shape, and the axis galvanic electricity machine 10702 and electrical connection 108 are electrically connected.
Electric motor 113 described in this patent refers to one kind electricity realized electric energy conversion according to the law of electromagnetic induction or transmitted
Magnetic device.
When being used, user of service holds rocking bar 104 and is forcibly inserted into, and rocking bar 104 is embedded in inside fixed block 105, so
User of service's rotating rocker 104 afterwards, 105 stress of fixed block drives swingle 104 to follow fixed block 105 to rotate, positioned at swingle
Spill spin block 103 on 110 rotates, and drives extension rope 112 to shorten in Inner elongate, and extension rope 112, which passes through lubrication block 111, to be subtracted
Small friction, extending when rope 112 extends can drive the contiguous block 102 of bottom to move down, and contiguous block 102 drives pin shaft 101
Move down, then motor 113 is operated is transmitted to axis galvanic electricity machine 10702, axis galvanic electricity machine power supply by electrical connection 108
10702 receive itself rotation after power supply, and then axis galvanic electricity machine 10702 drives rotation axis 10703 to rotate, positioned at rotation axis 10703
Outer flabellum 10701 rotates, since flabellum 10701 is curved shape so as to accelerating the flow velocity of air, such as the half in first village
Conductor gas sensor user of service can not adjustment pin bar length, cause user of service need spend the time select suitable ruler
It is very little to use, and also need to preparation Multiple Type and be replaced, Warm status is chronically inside device, easily causes inside
Part is influenced by high temperature so as to damage, then can be used the utility model user of service that size can be followed arbitrarily to adjust and be drawn
The length of foot lever, without spending vast resources to buy various sizes of device, easy to operate, structure is obvious, and can also add
The flow velocity of fast device inner air, accelerates heat produced inside device, effectively prevents influence of the heat to device inner body,
Add the service life of device.
The utility model solve the problems, such as user of service can not adjustment pin bar length, cause user of service to need to spend
Time select it is suitably sized could use, and also need to prepare Multiple Type be replaced, hot shape is chronically inside device
State, easily so that internal part is influenced by high temperature so as to damage, the utility model is combined with each other by above-mentioned component, is used
Personnel can follow the length of the random adjustment pin bar of size, without spending vast resources to buy various sizes of device, operation
Simply, structure is obvious, and can also accelerate the flow velocity of device inner air, accelerates heat produced inside device, effectively prevents
Influence of the heat to device inner body, adds the service life of device.
The advantages of basic principle and main feature and the utility model of the utility model has been shown and described above, for
For those skilled in the art, it is clear that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and without departing substantially from this
In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than described above limit, it is intended that will fall in the implication and scope of the equivalency of claim
All changes are embraced therein.Any reference numeral in claim should not be considered as to the involved right of limitation
It is required that.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
1. a kind of semiconductor gas sensor, its structure includes extending mechanism (1), pin (2), heat emission hole (3), housing (4), connection
Disk (5), the pin (2) are arranged on housing (4) bottom, and the housing (4) and pin (2) are gap-matched, described
Housing (4) top is equipped with heat emission hole (3), and the heat emission hole (3) and housing (4) are integrated, the housing (4) bottom
Portion is fixed with terminal pad (5)；It is characterized in that：
The extension mechanism (1) is arranged on the left of housing (4), and the housing (4) and extension mechanism (1) are gap-matched,
The extension mechanism (1) by pin shaft (101), contiguous block (102), spill spin block (103), rocking bar (104), fixed block (105),
Fixed plate (106), radiator fan (107), electrical connection (108), support plate (109), swingle (110), lubrication block (111), prolong
Long rope (112), motor (113), supporting block (114) composition, the pin shaft (101) are arranged on contiguous block (102) bottom,
The contiguous block (102) and pin shaft (101) is integrated, and the contiguous block (102) top is equipped with to extend and restricts
(112), the extension rope (112) and contiguous block (102) are gap-matched, and described extension rope (112) top is equipped with rotation
Switch block (103), the spill spin block (103) and extension rope (112) are gap-matched, and the spill spin block (103) fixation is set
In on swingle (110), the swingle (110) left side is equipped with fixed block (105), the fixed block (105) and rotation
Bar (110) is integrated, and the fixed block (105) is fixed in fixed plate (106), the fixed plate (106)
In support plate (109), the support plate (109) and fixed plate (106) are integrated, the support plate
(109) right side is equipped with supporting block (114), and the supporting block (114) and support plate (109) are integrated, and described consolidates
Upper surface is equipped with rocking bar (104) on the left of fixed board (106), and the rocking bar (104) and fixed plate (106) are gap-matched, institute
Support plate (109) top stated is provided with radiator fan (107), and electrical connection is equipped with the right side of the radiator fan (107)
(108), the electrical connection (108) and radiator fan (107) are electrically connected, and motor electricity is equipped with the right side of the electrical connection (108)
Machine (113), the motor (113) are connected by electrical connection (108) and radiator fan (107)；
The motor (113) is by connecting seat (11301), terminal box (110302), rear cover (110303), machine barrel
(110304), bearing rod (110305) forms, and the connecting seat (11301) is arranged on machine barrel (110304) bottom, the machine
Cylinder (110304) and connecting seat (11301) are integrated, and the machine barrel (110304) front end face is equipped with terminal box
(110302), the terminal box (110302) and machine barrel (110304) are integrated, and the machine barrel (110304) is left
Side is fixed with rear cover (110303), and the machine barrel (110304) right side central is equipped with bearing rod (110305), the axis
Hold bar (110305) and machine barrel (110304) is gap-matched.
A kind of 2. semiconductor gas sensor according to claim 1, it is characterised in that：The radiator fan (107) by
Flabellum (10701), axis galvanic electricity machine (10702), rotation axis (10703), blower-casting (10704) composition.
A kind of 3. semiconductor gas sensor according to claim 2, it is characterised in that：Flabellum (10701) installation
In rotation axis (10703) outer surface.
A kind of 4. semiconductor gas sensor according to claim 2, it is characterised in that：In the rotation axis (10703)
Portion is equipped with axis galvanic electricity machine (10702), and the rotation axis (10703) and galvanic electricity machine (10702) are gap-matched.
A kind of 5. semiconductor gas sensor according to claim 2, it is characterised in that：Described flabellum (10701) appearance
Face is fixed with blower-casting (10704).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721512150.6U CN207336423U (en) | 2017-11-14 | 2017-11-14 | A kind of semiconductor gas sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721512150.6U CN207336423U (en) | 2017-11-14 | 2017-11-14 | A kind of semiconductor gas sensor |
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| Publication Number | Publication Date |
|---|---|
| CN207336423U true CN207336423U (en) | 2018-05-08 |
Family
ID=62427765
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|---|---|---|---|
| CN201721512150.6U Expired - Fee Related CN207336423U (en) | 2017-11-14 | 2017-11-14 | A kind of semiconductor gas sensor |
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| Country | Link |
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| CN (1) | CN207336423U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111198218A (en) * | 2020-02-27 | 2020-05-26 | 浙江大学 | Method and device for measuring electrical characteristics of high-temperature oil-based drilling fluid |
-
2017
- 2017-11-14 CN CN201721512150.6U patent/CN207336423U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111198218A (en) * | 2020-02-27 | 2020-05-26 | 浙江大学 | Method and device for measuring electrical characteristics of high-temperature oil-based drilling fluid |
| CN111198218B (en) * | 2020-02-27 | 2021-04-16 | 浙江大学 | Method and device for measuring electrical characteristics of high-temperature oil-based drilling fluid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190116 Address after: 516400 Science and Technology Industrial Park, Haifeng County, Shanwei City, Guangdong Province Patentee after: Haifeng Junsheng Semiconductor Co., Ltd. Address before: 362100 No. 388, taotou village, Luoyang Town, Huian County, Quanzhou, Fujian Patentee before: Chen Xuehong |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20191114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |