CN206146914U - Automatic dry detection device of gas humidity sensor and casing - Google Patents
Automatic dry detection device of gas humidity sensor and casing Download PDFInfo
- Publication number
- CN206146914U CN206146914U CN201621230531.0U CN201621230531U CN206146914U CN 206146914 U CN206146914 U CN 206146914U CN 201621230531 U CN201621230531 U CN 201621230531U CN 206146914 U CN206146914 U CN 206146914U
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- China
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- humidity sensor
- measuring chamber
- gas humidity
- hothouse
- detection means
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- Drying Of Solid Materials (AREA)
Abstract
The utility model provides an automatic dry detection device of gas humidity sensor and casing, the automatic dry detection device of gas humidity sensor include casing and gas humidity sensor, and the casing includes measuring chamber and drying chamber, and measuring chamber and drying chamber pass through interface channel to be connected the measuring chamber with be equipped with the venthole on the interface channel between the drying chamber, be equipped with the inlet port on the measuring chamber. The automatic dry detection device of gas humidity sensor does not adopt the valve, and gaseous the detection when finishing with the detection of awaiting measuring does not need switching valve, and be easy and simple to handle, with low costs, the automatic dry detection device of this gas humidity sensor is measuring when finishing the air in can automatic dry measuring chamber, and the protection sensor does not receive the harm of vapor, when measuring, shorten the time of ventilating, reduce gaseously extravagant.
Description
Technical field
This utility model is related to a kind of gas humidity sensor automatic drying detection means and housing.
Background technology
Gas humidity detection device mainly carries out Humidity Detection, SF6 dew points under test gas using gas humidity sensor
Instrument is one kind application of gas humidity detection device, by the content for detecting SF6 humidity, can rapidly and accurately be judged
The initial failure of the inside electric appliances such as SF6 choppers, transformer, GIS, bus, sleeve pipe and transformator, it is adaptable to electric power, ferrum
The industries such as road, metallurgy and petrochemical industry.Traditional gas humidity detection device only one of which chamber is measuring chamber（Without hothouse）, gas
Body humidity sensor is fixed in the measuring chamber, by the humidity that under test gas detected gas are passed through in the measuring chamber, when not
During work, whole device is communicated with ambient atmosphere, and the moisture in air is sensed by way of free diffusing into gas humidity
The measuring chamber that device is located, affects the life-span of sensor, or even destruction sensor；When whole device works again it is necessary to being passed through
Substantial amounts of under test gas discharge the moisture in measuring chamber outside measuring chamber, just can guarantee that sensor works in measuring chamber.
Chinese utility model patent CN203534997U discloses a kind of dry-run protection system of gas humidity sensor, bag
Hothouse, measuring chamber and the gas humidity sensor in measuring chamber are included, a three-way valve is passed through between hothouse and measuring chamber
With connecting tube connection, the other end of measuring chamber is also connected with a needle valve, when not working, closes needle valve, and regulating three-way valve makes
Hothouse connects to form confined space with measuring chamber, in making environment of the humidity sensor in drying；During measurement, needle-like is opened
Valve, regulating three-way valve makes measuring chamber connect with air inlet/outlet, starts measurement.The dry-run protection system of the gas humidity sensor
Artificial regulating three-way valve and opening and closing needle valve are needed when depositing and using, it is comparatively laborious, and also three-way valve and needle valve deposit
In the risk damaged, cost is also higher.
Utility model content
The purpose of this utility model is to provide a kind of gas humidity of automatic drying gas humidity sensor local environment
Sensor automatic drying detection means and housing.
For achieving the above object, the technical scheme of this utility model gas humidity sensor automatic drying detection means is：
Gas humidity sensor automatic drying detection means, including housing and gas humidity sensor, housing includes measurement
Room and hothouse, are connected, in the measuring chamber and the drying between the measuring chamber and the hothouse by interface channel
Venthole is set on the interface channel between room, on the measuring chamber air inlet is provided with.
The measuring chamber is provided with the hole that can place gas humidity sensor, and arranges closure for described hole.
The hothouse is provided with the hole that can place desiccant, and arranges closure for described hole.
The measuring chamber is the cavity of strip, and the air inlet and the interface channel are distributed in the measuring chamber cavity
Different two ends.
The gas humidity sensor is located at the centre of air inlet and the interface channel described in the measuring chamber.
The technical scheme of this utility model gas humidity sensor automatic drying detection means housing is：
The housing of gas humidity sensor automatic drying detection means, including measuring chamber and hothouse, the measuring chamber and
Connected by interface channel between the hothouse, arranged out on the interface channel between the measuring chamber and the hothouse
Pore, on the measuring chamber air inlet is provided with.
The measuring chamber is provided with the hole that can place gas humidity sensor, and arranges closure for described hole.
The hothouse is provided with the hole that can place desiccant, and arranges closure for described hole.
The measuring chamber is the cavity of strip, and the air inlet and the interface channel are distributed in the measuring chamber cavity
Different two ends.
The beneficial effects of the utility model are：Because measuring chamber and hothouse are directly connected to by interface channel, measurement knot
Beam, stops the input of under test gas, and the air in measuring chamber enters hothouse by way of free diffusing through interface channel,
The air in measuring chamber is made by automatic drying；And interface channel and air inlet do not adopt valve, without controlled valve, operation
Simply, low cost.It is dry air in measuring chamber when detecting again, surveys without being passed through substantial amounts of under test gas row again
Vapor in amount room, shortens detection time, reduces gas and wastes.
Description of the drawings
Fig. 1 is the three-dimensional structure diagram of this utility model gas humidity sensor automatic drying detection means housing.
Labelling and corresponding parts title in Fig. 1：1- air inlets；2- ventholes；3- measuring chambers；On 4- measuring chambers
Closure；5- interface channels；6- hothouses；Closure on 7- hothouses.
Specific embodiment
With reference to embodiment and Fig. 1, the embodiment of gas humidity sensor automatic drying detection means is made into one
Step explanation.
The embodiment of gas humidity sensor automatic drying detection means, as shown in figure 1, a kind of gas humidity sensor is certainly
Dynamic dry checkout gear, including housing and gas humidity sensor（Not shown in figure）, housing includes measuring chamber 3 and hothouse 6,
Gas humidity sensor（Not shown in figure）In measuring chamber 3, an interface channel 5 is passed through between measuring chamber 3 and hothouse 6
Connection, arranges an air inlet 1 on measuring chamber 3, an outlet is arranged on the interface channel 5 between measuring chamber 3 and hothouse 6
Hole 2.Measuring chamber 3 is provided with can place gas humidity sensor（Not shown in figure）Hole, and closure 4 is set for the hole, beat
Opening closure 4 can install or change gas humidity sensor（Not shown in figure）.Hothouse 6 is provided with can place drying
The hole of agent, and closure 7 is set for the hole, opening closure 7 can place or change desiccant.Measuring chamber 3 is strip
Shape cavity, air inlet 1 and interface channel 5 are separately positioned on the different two ends of the cavity of measuring chamber 3, can make under test gas with measurement
The gas humidity sensor of room 3（Not shown in figure）It is fully contacted, makes measurement result more accurate.Gas humidity sensor（Figure
Not shown in）Positioned at the middle part of measuring chamber 3, gas humidity sensor can be prevented（Not shown in figure）3 liang of measured room
The air blast that the air inlet 1 at end and the port of interface channel 5 are formed is damaged.
The course of work of gas humidity sensor automatic drying detection means is as follows：
During normal work, the gas humidity sensor that under test gas are entered in measuring chamber 3, with measuring chamber 3 from air inlet 1
（Not shown in figure）It is fully contacted, completes detection, then passes sequentially through interface channel 5 and venthole 2 discharges the device, in connection
The fast flow rate gas flow formed at passage 5, can prevent the under test gas in measuring chamber 3 from entering in hothouse 6, it is ensured that under test gas
The accuracy of detection.
When detection terminates, stop being passed through under test gas, the interface channel 5 of measuring chamber 3, hothouse 6 between is connected, outward
Boundary's air can be entered in measuring chamber 3 by air inlet 1 and venthole 2, and outside air contains a certain amount of vapor, measuring chamber 3
In humidity substantially increase, and the humidity in hothouse 6 is very little, the vapor in the presence of Concentraton gradient, in measuring chamber 3
By way of free diffusing, rapidly enter in hothouse 6 through interface channel 5, such that it is able to be automatically obtained to gas humidity
Sensor（Not shown in figure）The drying of environment in residing measuring chamber 3.
When detecting again, the air in measuring chamber 3 is always maintained at drying regime so that the gaseous environment in measuring chamber 3
Quickly can be consistent with test gas, so as to shorten duration of ventilation, reduce gas and waste.
Above-mentioned gas humidity sensor automatic drying detection means adopts integral structure, measuring chamber 3, hothouse 7 to connect
Road 5, air inlet 1, the grade part of venthole 2 and its location are connected, directly processing is formed on a raw material, and gas is wet
Degree sensor（Not shown in figure）In being positioned over measuring chamber 3, top cover labyrinth 4 and closure 7 are installed, are the gas humidity sensing
Device automatic drying detection means.The gas humidity sensor automatic drying detection means of the integral type, good seal performance, volume
Little, low cost, compact conformation is convenient for carrying.
Another kind of embodiment of gas humidity sensor automatic drying detection means, the gas humidity sensor automatic drying
Detection means adopts split-type structural, all parts individually to process or purchase, by being assembled into the gas humidity sensor certainly
Dynamic dry checkout gear, the mode that is tightly connected between each combiner all adopts hermetic seal.Fit together when using, do not make
Used time can disassemble, individually storage.It is convenient in production in enormous quantities.
Another kind of embodiment of gas humidity sensor automatic drying detection means, the gas humidity sensor automatic drying
Detection means can also be by the way of integral type with split type combination, and a part of part adopts integral structure, directly processes
Form, miscellaneous part adopts split-type structural, individually processing or buying.The gas humidity sensor is synthesized by assembling automatic
The mode of being tightly connected between dry checkout gear, and each combiner adopts hermetic seal.This mode can determine as needed
Fixed processing or assembling, it is more practical.
Another kind of embodiment of gas humidity sensor automatic drying detection means, the cross-sectional area of interface channel 5 is less than
The cross-sectional area of hothouse 6, in measurement, can make under test gas when discharging from venthole 2 by interface channel 5, even
Faster air-flow can separate hothouse 6 and the circulation of the gas in measuring chamber 3 to connect the flow velocity formed in road 5, in making measuring chamber 3
Under test gas not by the desiccant dryness in hothouse 6, it is ensured that under test gas detection accuracy.
The external port of another kind of embodiment of gas humidity sensor automatic drying detection means, air inlet 1 and venthole 2
In the same side, the admission line and outlet pipe that can facilitate under test gas is installed in the same side, takes less space, layout
It is more reasonable；The external port of at least one plane on housing, air inlet 1 and venthole 2 can make in approximately the same plane
The admission line and outlet pipe of under test gas is more convenient with the connection of air inlet 1 and venthole 2.
Another kind of embodiment of gas humidity sensor automatic drying detection means, interface channel 5 and the junction of hothouse 6
Filter screen is set, the desiccant in hothouse 6 can be prevented to enter in measuring chamber 3, prevent desiccant from affecting even to damage measuring chamber 3
In gas humidity sensor（Not shown in figure）.
The embodiment of gas humidity sensor automatic drying detection means housing：Gas humidity sensor automatic drying is detected
The structure of device case is identical with the structure of housing in above-mentioned gas humidity sensor automatic drying detection means, therefore concrete real
Apply mode no longer to describe in detail.
Claims (9)
1. gas humidity sensor automatic drying detection means, including housing and gas humidity sensor, housing includes measuring chamber
And hothouse, it is characterised in that：Connected by interface channel between the measuring chamber and the hothouse, in the measuring chamber and
Venthole is set on the interface channel between the hothouse, on the measuring chamber air inlet is provided with.
2. gas humidity sensor automatic drying detection means according to claim 1, it is characterised in that：The measuring chamber
Being provided with can place the hole of gas humidity sensor, and arrange closure for described hole.
3. gas humidity sensor automatic drying detection means according to claim 1, it is characterised in that：The hothouse
Being provided with can place the hole of desiccant, and arrange closure for described hole.
4. gas humidity sensor automatic drying detection means according to claim 1, it is characterised in that：The measuring chamber
For the cavity of strip, the air inlet is distributed in the different two ends of the measuring chamber cavity with the interface channel.
5. according to the arbitrary described gas humidity sensor automatic drying detection means of Claims 1-4, it is characterised in that：Institute
Gas humidity sensor is stated positioned at the centre of air inlet and the interface channel described in the measuring chamber.
6. the housing of gas humidity sensor automatic drying detection means, including measuring chamber and hothouse, it is characterised in that：It is described
Connected by interface channel between measuring chamber and the hothouse, the interface channel between the measuring chamber and the hothouse
Venthole is provided with, the measuring chamber is provided with air inlet.
7. the housing of gas humidity sensor automatic drying detection means according to claim 6, it is characterised in that：It is described
Measuring chamber is provided with the hole that can place gas humidity sensor, and arranges closure for described hole.
8. the housing of gas humidity sensor automatic drying detection means according to claim 6, it is characterised in that：It is described
Hothouse is provided with the hole that can place desiccant, and arranges closure for described hole.
9., according to the housing of the arbitrary described gas humidity sensor automatic drying detection means of claim 6 to 8, its feature exists
In：The measuring chamber is the cavity of strip, and it is different that the air inlet is distributed in the measuring chamber cavity with the interface channel
Two ends.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621177709X | 2016-11-03 | ||
| CN201621177709 | 2016-11-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206146914U true CN206146914U (en) | 2017-05-03 |
Family
ID=58626029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621230531.0U Active CN206146914U (en) | 2016-11-03 | 2016-11-16 | Automatic dry detection device of gas humidity sensor and casing |
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| Country | Link |
|---|---|
| CN (1) | CN206146914U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333313A (en) * | 2018-03-13 | 2018-07-27 | 鞍山天汇科技有限公司 | A kind of combustable gas concentration detection probe |
| CN112557247A (en) * | 2020-12-01 | 2021-03-26 | 国网福建省电力有限公司建设分公司 | GIS (gas insulated switchgear) intracavity humidity detection method considering installation environment factors |
| CN114894401A (en) * | 2022-07-12 | 2022-08-12 | 常州埃依琦科技有限公司 | SF6 gas comprehensive detection module |
-
2016
- 2016-11-16 CN CN201621230531.0U patent/CN206146914U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333313A (en) * | 2018-03-13 | 2018-07-27 | 鞍山天汇科技有限公司 | A kind of combustable gas concentration detection probe |
| CN112557247A (en) * | 2020-12-01 | 2021-03-26 | 国网福建省电力有限公司建设分公司 | GIS (gas insulated switchgear) intracavity humidity detection method considering installation environment factors |
| CN114894401A (en) * | 2022-07-12 | 2022-08-12 | 常州埃依琦科技有限公司 | SF6 gas comprehensive detection module |
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