CN208780408U - A kind of GIS device gas leakage sensor - Google Patents
A kind of GIS device gas leakage sensor Download PDFInfo
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- CN208780408U CN208780408U CN201820429844.1U CN201820429844U CN208780408U CN 208780408 U CN208780408 U CN 208780408U CN 201820429844 U CN201820429844 U CN 201820429844U CN 208780408 U CN208780408 U CN 208780408U
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Abstract
A kind of GIS device gas leakage sensor is related to GIS device gas leak detection technology field.The surface of circuit board is arranged in shell, multiple pins are provided with below circuit board, the surface of shell is arranged in air hole, the left side of electrochemical sensor setting inside housings, the right side of infrared-gas sensing element setting inside housings, isolation board are arranged between electrochemical sensor and infrared-gas sensing element；Circuit board is connected with pin, and electrochemical sensor and infrared-gas sensing element are connected with circuit board, and the connection between them is to be electrically connected.The utility model, which has the beneficial effect that, can detect the GIS device gas in air, and structure is simple, using simple, keep its function more comprehensive by being provided with electrochemical sensor and infrared-gas sensing element, more efficient.
Description
Technical field
The utility model relates to GIS device gas leak detection technology fields, and in particular to a kind of GIS device gas leakage
Sensor.
Background technique
Gas sensor is the core of gas detecting system, is typically mounted in detecting head.In essence, gas sensing
Device is a kind of converter that certain gas volume fraction is converted to corresponding electric signal.Detecting head is by gas sensor to gas
Sample is improved, and generally includes to filter out impurity and interference gas, drying or refrigeration processing, sample suction, in addition to sample into
Row chemical treatment, so that chemical sensor is faster measured.
Gaseous species are various, distinct, and therefore, gas sensor type is also very much.It can be divided by gas property to be checked:
For detecting the sensor of flammable explosive gas, such as hydrogen, carbon monoxide, gas, gasoline volatilization gas；There is poison gas for detecting
The sensor of body, such as chlorine, hydrogen sulfide, arsine；For detecting the sensor of industrial process gas, such as the oxygen in converter
Carbon dioxide in air and heat treatment furnace；For detecting the sensor of atmosphere pollution, NOx, CH4, O3 of acid rain, family are such as formed
Pollute such as formaldehyde.Two class of dry type and wet type can be also divided by the structure of gas sensor；Electricity can be divided by the output of sensor
Two class of resistive and power-consuming resistive；Several classes of electrochemical process, Electric Method, optical method, chemical method can be divided by testing principle.
GIS(GAS insulated SWITCHGEAR) be gas-insulating and fully-enclosed combined electrical apparatus English abbreviation.GIS by
Breaker, disconnecting switch, earthing switch, mutual inductor, arrester, bus, connector and outlet terminal etc. composition, these equipment or
Component is all enclosed in the shell of metallic ground, inside it the SF6 insulating gas filled with certain pressure, therefore also referred to as SF6 is complete
Switchgear.
Lack the gas leakage sensor to GIS device gas on the market at present, and current gas sensor is inadequate
Efficiently, structure is complicated, inconvenient for use, insufficiency.
Utility model content
The purpose of this utility model is that it is in view of the drawbacks of the prior art and insufficient, a kind of GIS device gas leakage is provided
Sensor can detect the GIS device gas in air, and structure is simple, using simple, be passed by being provided with electrochemistry
Sensing unit and infrared-gas sensing element keep its function more comprehensive, more efficient.
To achieve the above object, the utility model is using following technical scheme: it includes shell 1, circuit board 2, pin
3, air hole 4, isolation board 5, electrochemical sensor 6, infrared-gas sensing element 7；Circuit board 2 is arranged in the shell 1
Surface, the lower section of circuit board 2 are provided with multiple pins 3, and the surface of shell 1, electrochemical sensor is arranged in air hole 4
6 are arranged in the left side inside shell 1, and the right side inside shell 1 is arranged in infrared-gas sensing element 7, and isolation board 5 is arranged in electricity
Between chemosensing elements 6 and infrared-gas sensing element 7；Circuit board 2 is connected with pin 3, electrochemical sensor 6 and red
Outer gas sensor element 7 is connected with circuit board 2, and the connection between them is to be electrically connected.
The electrochemical sensor 6 include filter 61, ventilated membrane 62, working electrode 63, electrolyte 64, to electrode
65, reference electrode 66, filter 61 are connected to air hole 4 and ventilated membrane 62, and working electrode 63 is provided with below ventilated membrane 62, electricity
The lower section of working electrode 63 is arranged in solution liquid 64, and the lower section of electrolyte 64 is disposed side by side on to electrode 65 and reference electrode 66.
The infrared-gas sensing element 7 includes infrared light supply 71, absorption cell 72, absorption signal electrode 73, reference signal
Electrode 74, thermoelectric pile 75, the absorption cell 72 are connected with air hole 4, and the top of absorption cell 72 is arranged in infrared light supply 71, inhale
It receives signal electrode 73 and the lower section of absorption cell 72, absorption signal electrode 73 and reference signal electrode is arranged in reference signal electrode 74
74 lower sections are provided with thermoelectric pile 75.
The shell 1 is provided with gas-permeable nets 11 on position corresponding with air hole 4.
The shell 1 is provided with glass blocks 12 on position corresponding with infrared light supply 71.
Bolt hole 21 is provided at four angles of the circuit board 2.
The absorption signal electrode 73 and reference signal electrode 74 are made of optical narrow-band optical filter.
Working principle of the utility model is: air enters the absorption cell inside infrared-gas sensing element by air hole,
Since the molecule of atomic buildings different in gas has unique vibration, rotational frequency, when the GIS device gas in air by
When the infrared radiation for the identical frequency launched by infrared light supply, infrared absorption will occur, so as to cause infrared light intensity
Variation, can measure gas concentration by the variation of absorption signal electrode, reference signal electrode measurement infra-red intensity；Simultaneously
Air is entered in electrolyte by filter, ventilated membrane, and the GIS device gas in air reacts with electrolyte, by right
The intensity that electrode, reference electrode detection are reacted can measure gas concentration.
After adopting the above technical scheme, the utility model, which has the beneficial effect that, can carry out the GIS device gas in air
Detection, structure is simple, using simple, makes its function more by being provided with electrochemical sensor and infrared-gas sensing element
It is comprehensive, it is more efficient.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the schematic diagram of internal structure of Fig. 1.
Description of symbols: shell 1, circuit board 2, pin 3, air hole 4, isolation board 5, electrochemical sensor 6, infrared
Gas sensor element 7, gas-permeable nets 11, glass blocks 12, bolt hole 21, filter 61, ventilated membrane 62, working electrode 63, electrolyte
64, to electrode 65, reference electrode 66, infrared light supply 71, absorption cell 72, absorption signal electrode 73, reference signal electrode 74, thermoelectricity
Heap 75.
Specific embodiment
Referring to shown in Fig. 1-Fig. 3, present embodiment the technical solution adopted is that: it includes shell 1, circuit board 2, pipe
Foot 3, air hole 4, isolation board 5, electrochemical sensor 6, infrared-gas sensing element 7；The shell 1 is arranged in circuit board 2
Surface, the lower section of circuit board 2 is provided with multiple pins 3, and the surface of shell 1, electrochemical sensing member is arranged in air hole 4
The left side inside shell 1 is arranged in part 6, and the right side inside shell 1 is arranged in infrared-gas sensing element 7, and the setting of isolation board 5 exists
Between electrochemical sensor 6 and infrared-gas sensing element 7；Circuit board 2 is connected with pin 3,6 He of electrochemical sensor
Infrared-gas sensing element 7 is connected with circuit board 2, and the connection between them is to be electrically connected.
The electrochemical sensor 6 include filter 61, ventilated membrane 62, working electrode 63, electrolyte 64, to electrode
65, reference electrode 66, filter 61 are connected to air hole 4 and ventilated membrane 62, and working electrode 63 is provided with below ventilated membrane 62, electricity
The lower section of working electrode 63 is arranged in solution liquid 64, and the lower section of electrolyte 64 is disposed side by side on to electrode 65 and reference electrode 66.
The infrared-gas sensing element 7 includes infrared light supply 71, absorption cell 72, absorption signal electrode 73, reference signal
Electrode 74, thermoelectric pile 75, the absorption cell 72 are connected with air hole 4, and the top of absorption cell 72 is arranged in infrared light supply 71, inhale
It receives signal electrode 73 and the lower section of absorption cell 72, absorption signal electrode 73 and reference signal electrode is arranged in reference signal electrode 74
74 lower sections are provided with thermoelectric pile 75.
The shell 1 is provided with gas-permeable nets 11 on position corresponding with air hole 4.Gas-permeable nets 11 can be dust-proof.
The shell 1 is provided with glass blocks 12 on position corresponding with infrared light supply 71.
Bolt hole 21 is provided at four angles of the circuit board 2.Bolt hole 21 can make circuit board 2 be fixed on way circuit
On it is more firm.
The absorption signal electrode 73 and reference signal electrode 74 are made of optical narrow-band optical filter.
Working principle of the utility model is: air enters the absorption cell inside infrared-gas sensing element by air hole,
Since the molecule of atomic buildings different in gas has unique vibration, rotational frequency, when the GIS device gas in air by
When the infrared radiation for the identical frequency launched by infrared light supply, infrared absorption will occur, so as to cause infrared light intensity
Variation, can measure gas concentration by the variation of absorption signal electrode, reference signal electrode measurement infra-red intensity；Simultaneously
Air is entered in electrolyte by filter, ventilated membrane, and the GIS device gas in air reacts with electrolyte, by right
The intensity that electrode, reference electrode detection are reacted can measure gas concentration.
After adopting the above technical scheme, the utility model, which has the beneficial effect that, can carry out the GIS device gas in air
Detection, structure is simple, using simple, makes its function more by being provided with electrochemical sensor and infrared-gas sensing element
It is comprehensive, it is more efficient.
The above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple
The other modifications or equivalent replacement that the technical solution of the utility model is made, without departing from technical solutions of the utility model
Spirit and scope should all cover in the scope of the claims of the utility model.
Claims (7)
1. a kind of GIS device gas leakage sensor, it is characterised in that: it include shell (1), circuit board (2), pin (3), thoroughly
Stomata (4), isolation board (5), electrochemical sensor (6), infrared-gas sensing element (7)；The shell (1) is arranged in circuit
The surface of plate (2) is provided with multiple pins (3) below circuit board (2), air hole (4) be arranged shell (1) just on
Side, electrochemical sensor (6) the setting left side internal in shell (1), infrared-gas sensing element (7) are arranged in shell (1)
Internal right side, isolation board (5) are arranged between electrochemical sensor (6) and infrared-gas sensing element (7)；Circuit board
(2) it is connected with pin (3), electrochemical sensor (6) and infrared-gas sensing element (7) are connected with circuit board (2), it
Between connection be electrically connected.
2. a kind of GIS device gas leakage sensor according to claim 1, it is characterised in that: the electrochemical sensing
Element (6) include filter (61), ventilated membrane (62), working electrode (63), electrolyte (64), to electrode (65), reference electrode
(66), filter (61) is connected to air hole (4) and ventilated membrane (62), is provided with working electrode (63) below ventilated membrane (62),
Electrolyte (64) is arranged in the lower section of working electrode (63), is disposed side by side on electrolyte to electrode (65) and reference electrode (66)
(64) lower section.
3. a kind of GIS device gas leakage sensor according to claim 1, it is characterised in that: the infrared-gas passes
Sensing unit (7) includes infrared light supply (71), absorption cell (72), absorption signal electrode (73), reference signal electrode (74), thermoelectric pile
(75), the absorption cell (72) is connected with air hole (4), and infrared light supply (71) setting is absorbed in the top of absorption cell (72)
Signal electrode (73) and reference signal electrode (74) setting are in the lower section of absorption cell (72), absorption signal electrode (73) and reference letter
Thermoelectric pile (75) are provided with below number electrode (74).
4. a kind of GIS device gas leakage sensor according to claim 1, it is characterised in that: the shell (1) and thoroughly
Stomata (4) is provided with gas-permeable nets (11) on corresponding position.
5. a kind of GIS device gas leakage sensor according to claim 1, it is characterised in that: the shell (1) with it is red
Outer light source (71) is provided with glass blocks (12) on corresponding position.
6. a kind of GIS device gas leakage sensor according to claim 1, it is characterised in that: the circuit board (2)
Bolt hole (21) are provided at four angles.
7. a kind of GIS device gas leakage sensor according to claim 3, it is characterised in that: the absorption signal electricity
Pole (73) and reference signal electrode (74) are made of optical narrow-band optical filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820429844.1U CN208780408U (en) | 2018-03-28 | 2018-03-28 | A kind of GIS device gas leakage sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820429844.1U CN208780408U (en) | 2018-03-28 | 2018-03-28 | A kind of GIS device gas leakage sensor |
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| Publication Number | Publication Date |
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| CN208780408U true CN208780408U (en) | 2019-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820429844.1U Active CN208780408U (en) | 2018-03-28 | 2018-03-28 | A kind of GIS device gas leakage sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111307376A (en) * | 2020-03-04 | 2020-06-19 | 云南电网有限责任公司电力科学研究院 | Method and system for detecting GIS gas leakage |
-
2018
- 2018-03-28 CN CN201820429844.1U patent/CN208780408U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111307376A (en) * | 2020-03-04 | 2020-06-19 | 云南电网有限责任公司电力科学研究院 | Method and system for detecting GIS gas leakage |
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