CN104267160B - Portable micro-water detecting device - Google Patents
Portable micro-water detecting device Download PDFInfo
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- CN104267160B CN104267160B CN201410576748.6A CN201410576748A CN104267160B CN 104267160 B CN104267160 B CN 104267160B CN 201410576748 A CN201410576748 A CN 201410576748A CN 104267160 B CN104267160 B CN 104267160B
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Abstract
The present invention provides a kind of portable micro-water detecting device, including: detection unit, sealing and preactivate unit, control and data processing unit, display and human computer conversation's unit；Described sealing and preactivate unit include sealing and balancing tank and run through the guide shell of sealing and balancing tank, the guide shell sidewall being positioned at sealing and balancing tank offers opening, and described opening is provided with the mechanism making the sensor in guide shell with the air contact in sealing and balancing tank with isolation；It is provided with detection unit in described guide shell, in the sealing and balancing tank outside described guide shell, is provided with desiccant；Described control and data processing unit are arranged on outside sealing and balancing tank, and with detection unit, sealing and preactivate unit, display and human computer conversation's unit Electricity Federation.Portable micro-water structure of the detecting device of the present invention is simple, adopts this device can realize the detection of micro-water fast, accurately.
Description
Technical field
The present invention relates to detection technique, particularly relate to a kind of portable micro-water detecting device.
Background technology
The insulating properties of the SF6 gas arc extinction performance due to its excellence and high intensity, are widely used in high voltage electric equipment.But the long-term high voltage of SF6 gas runs and will cause decomposing, its analyte reaction of moisture interior with it can generate poisonous and harmful product, not only can reduce the electric property of SF6, and these poisonous and harmful products enter air also will health of human body be constituted a threat to, sucking minimal amount of portion of product just can causing death, it is therefore necessary to the water content of detection SF6 gas, analyze the prevention ahead of time of its variation tendency, in order to avoid causing a serious accident.
The decline detection probe of water detecting device of conventional portable is generally all exposed under room temperature, normal wet environment, and the SF6 water content minimum (generally requiring less than 300ppm) in high voltage electric equipment, directly detection can be too high due to the humidity on detection probe surface, and produce to be similar to the state of " liquor-saturated oxygen ", it is impossible to SF6 is detected.Therefore employing conventional portable declines when water detecting device is measured needs high voltage electric equipment is exitted in a large number, the humidity making detection probe declines, thus " waking up " detection probe, but so not only contaminated environment, the air pressure in high voltage electric equipment more can be caused not enough, needing follow-up QI invigorating, cumbersome, the detection time is also required to half an hour more than.
Therefore urgently a kind of use simply, portable micro-water detecting device efficiently, high voltage electric equipment is detected.
Summary of the invention
It is an object of the invention to, decline to exit in a large number when water detecting device detects for above-mentioned conventional portable and cause environmental pollution and testing cost height, time length, inefficient problem, a kind of novel portable micro-water detecting device is proposed, this apparatus structure is simple, adopts this device can realize the detection of micro-water fast, accurately.
For achieving the above object, the technical solution used in the present invention is: a kind of portable micro-water detecting device, including: detection unit, sealing and preactivate unit, control and data processing unit, display and human computer conversation's unit；Described sealing and preactivate unit include sealing and balancing tank and run through the guide shell of sealing and balancing tank, the guide shell sidewall being positioned at sealing and balancing tank offers opening, and described opening is provided with the gear mechanism making the sensor in guide shell with the air contact in sealing and balancing tank with isolation；Described detection unit is arranged in the guide shell in sealing and balancing tank, and detection unit includes sensor board and Electricity Federation system；It is provided with desiccant in sealing and balancing tank outside described guide shell；Described control and data processing unit are arranged on outside hermetically sealed can, and with detection unit, sealing and preactivate unit Electricity Federation；Described display and human computer conversation's unit are arranged on the panel of device, and with control and data processing unit Electricity Federation.
Further, described gear mechanism includes gear slide sleeve and driven gear sliding sleeve horizontally slips gear train and microelectromechanical-systems, described microelectromechanical-systems is engaged with gear slide sleeve by gear train.
Further, described microelectromechanical-systems is micro-step motor.Described micro-step motor is engaged with gear slide sleeve by gear train.
Further, it is provided with sealing ring between described gear slide sleeve and guide shell.
Further, described sealing and balancing tank is the sealed shell of tank with certain accommodation space, and described sealing and balancing tank can keep sealing the balance with preactivate unit humidity and sealing.
Owing to having desiccant in sealing and balancing tank, so when instrument does not enter measuring state, gear slide sleeve slides to the right, guide shell exposes breach, detection unit and sealing and balancing tank in guide shell turn on, and humidity is balanced, due to very dry in sealing and balancing tank, so detection unit is in low moisture environments, sensor is in pre-activated state all the time.When instrument start measurement, gear slide sleeve slides left, guide shell breach is closed, detection unit and the isolation of sealing and balancing tank, tested SF6 gas flows through guide shell, and the detection unit in guide shell just can directly measure the humidity of gas, without being subject to the interference of sealing and balancing tank dry environment.Owing to being also seal off with external environment in sealing and balancing tank, therefore, this low moisture environments can keep for a long time, makes humidity sensor be in pre-activated state all the time, can enter quick measurement at any time.Being entirely under ambient temperature and moisture with quasi-instrument at present to measure, it is necessary to when measuring through the activation stage, this process is automatically carried out before measuring in advance by the present invention by above-mentioned design, thus reaching the purpose measured efficiently, accurately and fast.
Further, described guide shell setup of entrances and exits has angle coupling and snap joint.
Further, described desiccant is molecular sieve.
Further, described desiccant is laid on sealing and balancing pot bottom, and its laying depth is the 1/10 of sealing and balancing tank height.
Further, the tank bottoms face of described sealing and balancing is provided with through hole, and described through hole adopts rubber blanket and sealing nut to seal.
Further, described guide shell working sections is long-pending less than 0.5cm2。
Further, described guide shell stream is additionally provided with SF6 flow transducer and SF6 flow control valve, described SF6 flow transducer and control and data processing unit Electricity Federation.
Further, described detection unit includes temperature sensor and humidity sensor, and described temperature sensor and humidity sensor are integrated on sensor board, and described sensor board is arranged in guide shell.
Further, in order to ensure portable micro-water detecting device conveniently moving, described portable micro-water detecting device is further equipped with power supply, specifically, described portable micro-water detecting device includes lithium battery, described lithium battery and control and data processing unit Electricity Federation, power for the circuit board controlled with data processing unit.
Further, in order to ensure the required precision measured, control and data processing unit have employed intelligent plane compensation system.
Further, in order to make the simple and direct and convenience of operation and use, display and human computer conversation's unit have employed touch screen and menu mode man-machine conversation mode.
Portable micro-water structure of the detecting device of the present invention is simple, reasonable, compact, has the advantage that compared with prior art
(1), portable micro-water detecting device of the present invention is provided with sealing and preactivate unit, in the non-detection period, seal and open with the guide shell opening in preactivate unit, be exposed in dryer environment, make the detection unit being arranged in opening be constantly in micro-water state of preactivate；During detection, close opening and make guide shell internal and dry environment isolation, open the flow valve of stream one end, in guide shell, pass into gas to be detected, because being constantly in pre-activated state before detection unit, therefore the detection of micro-water can be realized fast and accurately；
(2), the guide shell working sections that adopts of the present invention long-pending less, be usually no more than 0.5cm2, it is only necessary to flowing through a small amount of SF6 gas can measure, and makes detection become very convenient and quick, makes the impact on equipment under test of the detection process and the discharge to atmospheric environment all reach minimum；
(3), the control that arranges of portable micro-water detecting device of the present invention and data processing unit have employed intelligent plane compensation system, accuracy of detection can be fully achieved and exceed the requirement of the accuracy of detection of country and industry standard defined；
(4), the display that arranges of portable micro-water detecting device of the present invention and human computer conversation's unit have employed touch screen and menu mode man-machine conversation mode, operate with very simple and direct and convenient；
(5), described sealing and balancing pot bottom be provided with through hole, the desiccant in sealing and balancing tank can be replaced by this through hole, makes portable micro-water detecting device energy life-time service of the present invention.
Accompanying drawing explanation
Fig. 1 is the front view of guide shell assembly of the present invention；
Fig. 2 is the left view profile of Fig. 1；
Fig. 3 is the front view of portable micro-water detecting device of the present invention；
Fig. 4 is the left view of Fig. 3.
Fig. 5 seals the front view with preactivate unit in the present invention.
Wherein: 1-guide shell；2-gear slide sleeve；3-transfers sea whelk；4-angle coupling；5-guide shell installing rack；6-snap joint；7-sealing ring；8-gear train；9-micro machine；10-sensor board；11-SF6 flow control valve；12-sealing and balancing tank；13-controls and data processing unit；14-lithium battery；15-SF6 flow transducer；16-appendix；17-rubber blanket；18-sealing nut；19-display screen.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further described:
Embodiment 1
Present embodiment discloses a kind of portable micro-water detecting device for SF6 gas detecting, this device can detect the water content in SF6 gas quickly, effectively, accurately.
Portable micro-water detecting device includes as Figure 1-5: detection unit, sealing and preactivate unit, control and data processing unit, display and human computer conversation's unit.
Wherein, sealing and preactivate unit is included sealing and balancing tank 12 and run through the guide shell 1 of sealing and balancing tank 12 by appendix 16, guide shell 1 is fixed in sealing and balancing tank 12 by guide shell installing rack 5.Guide shell 1 two ends being positioned at sealing and balancing tank 12 offer opening, and opening is by sea whelk 3, angle coupling 4, snap joint 6 and appendix 16, the gas input/output interface outside communication seals compensator 12 of transferring.Switching sea whelk 3 is at one end SF6 gas to be measured be connected by an angle coupling 4 and guide shell, allows gas enter in guide shell, at the other end in the same configuration, is discharged outside sealing and balancing tank by the SF6 gas surveyed.Being cased with sealing mechanism outside guide shell 1, close sealing mechanism and guide shell 1 inner space and sealing and balancing tank 12 can be made to completely cut off, namely guide shell 1 inner space does not connect with sealing and balancing tank 12.Specifically, in the present embodiment, sealing mechanism includes gear slide sleeve 2 and the sealing ring 7 that coaxial sleeve is located at outside guide shell 1.In the present embodiment, sealing mechanism also includes making gear slide sleeve 2 along guide shell 1 power in axial sliding and drive mechanism, when gear slide sleeve 2 covers opening part, guide shell 1 inner space and sealing and balancing tank 12 can be made to completely cut off.The present embodiment medium power mechanism is micro machine 9, and micro machine 9 is engaged with gear slide sleeve 2 by gear train 8.Being additionally provided with sealing and balancing tank 12 outside guide shell assembly, sealing and balancing tank 12 is the tank body with certain accommodation space, and sealing and balancing tank 12 can keep the balance of sealing unit humidity and the sealing to environment, it is ensured that sensor can realize preactivate.
In the present embodiment, guide shell 1 sectional area is 0.5cm2, only need a small amount of SF6 gas to flow through and can measure, make detection become very convenient and quick.Guide shell 1 is additionally provided with SF6 flow transducer 15 and SF6 flow control valve 11, SF6 flow transducer 15 to the stream of gas input/output interface and controls and data processing unit 13 Electricity Federation.Being provided with desiccant in sealing and balancing tank 12 outside guide shell 1, the desiccant that the present embodiment adopts is molecular sieve, long service life, about uses 1～2 year and just needs to change.Desiccant is laid on bottom sealing and balancing tank 12, and its laying depth is the 1/10 of sealing and balancing tank 12 height.Sealing and balancing tank 12 bottom surface is provided with through hole, and through hole adopts rubber blanket 17 and sealing nut 18 to seal.
Control and data processing unit 13 be arranged on outside sealing and balancing tank 12, and with detection unit, sealing and preactivate unit, control and data processing unit, display and human computer conversation's unit Electricity Federation.
Detection unit includes temperature sensor and humidity sensor, temperature sensor and humidity sensor and is integrated on sensor board 10, and sensor board 10 is arranged in guide shell 1 and is connected with Electricity Federation system.
In order to ensure portable micro-water detecting device conveniently moving, portable micro-water detecting device is further equipped with power supply, and specifically, portable micro-water detecting device includes lithium battery 14, lithium battery 14 and control and data processing unit Electricity Federation, be responsible for the circuit board to controlling with data processing unit 13 and power.
In order to ensure the certainty of measurement of portable micro-water detecting device, data process and have employed intelligent plane compensation system.
In order to ensure the simple and direct and convenience using and operating of portable micro-water detecting device, display and human computer conversation have employed touch screen and menu mode man-machine conversation mode.
The operation principle of portable micro-water detecting device is as follows:
When not carrying out the detection of micro-water, the sealing mechanism place opening of guide shell 1, gear slide sleeve 2 is not covered with on opening；Detection unit (including the sensor board being integrated with various sensor) is sealed in sealing and balancing tank 12, and sealing and balancing tank 12 is due to the effect of desiccant, and inner air is constantly in micro-water state, and now, sensor is in pre-activated state.When carrying out the detection of micro-water, controlling and data processing unit 13 sends signal, close the sealing mechanism of guide shell 1, gear slide sleeve 2, along guide shell 1 axial sliding movement, until closing with switching sea whelk 3, makes to be formed in guide shell 1 airtight space；Now open the flow control valve on stream, tested SF6 gas is flow through in guide shell 1, owing to being constantly in micro-water state before detection unit, as long as tested gas flows through, just every numerical value of SF6 gas can be detected at once, the result of detection is through controlling and after data processing unit 13 process, showing on display screen 19.The whole detection time was less than 5 minutes, and high voltage electric equipment only need to release a small amount of SF6 gas, makes detection become very convenient and quick, makes the impact on tested high voltage electric equipment of the detection process and the discharge to atmospheric environment reach minimum.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；Although the present invention being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technical characteristic is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (9)
1. a portable micro-water detecting device, it is characterised in that including: detection unit, sealing and preactivate unit, control and data processing unit, display and human computer conversation's unit；Described sealing and preactivate unit include sealing and balancing tank and run through the guide shell of sealing and balancing tank, the guide shell sidewall being positioned at sealing and balancing tank offers opening, and described opening is provided with the gear mechanism making the sensor in guide shell with the air contact in sealing and balancing tank with isolation；Described detection unit is arranged in the guide shell in sealing and balancing tank, and described detection unit includes sensor board and Electricity Federation system；It is provided with desiccant in sealing and balancing tank outside described guide shell；Described control and data processing unit are arranged on outside sealing and balancing tank, and with detection unit, sealing and preactivate unit Electricity Federation；Described display and human computer conversation's unit are arranged on the panel of device, and with control and data processing unit Electricity Federation；
Described gear mechanism includes gear slide sleeve and driven gear sliding sleeve horizontally slips gear train and microelectromechanical-systems, described microelectromechanical-systems is engaged with gear slide sleeve by gear train, and gear slide sleeve coaxial sleeve is located at outside guide shell；
The guide shell two ends being positioned at sealing and balancing tank offer opening, and opening is by sea whelk, angle coupling, snap joint and appendix, the gas input/output interface outside communication seals compensator of transferring.
2. portable micro-water detecting device according to claim 1, it is characterised in that described microelectromechanical-systems is micro-step motor.
3. portable micro-water detecting device according to claim 1, it is characterised in that be provided with sealing ring between described gear slide sleeve and guide shell.
4. portable micro-water detecting device according to claim 1, it is characterised in that described desiccant is molecular sieve.
5. portable micro-water detecting device according to claim 1, it is characterised in that the tank bottoms face of described sealing and balancing is provided with through hole, described through hole adopts rubber blanket and sealing nut to seal.
6. portable micro-water detecting device according to claim 1, it is characterised in that be additionally provided with SF6 flow transducer and SF6 flow control valve on the outer described guide shell stream of sealing and balancing tank, described SF6 flow transducer with control and data processing unit Electricity Federation.
7. portable micro-water detecting device according to claim 1, it is characterised in that described detection unit includes temperature sensor and humidity sensor, and described temperature sensor and humidity sensor are integrated on sensor board.
8. portable micro-water detecting device according to claim 1, it is characterised in that described portable micro-water detecting device includes lithium battery, described lithium battery with control and data processing unit Electricity Federation.
9. portable micro-water detecting device according to claim 1, it is characterised in that described control and data processing unit have employed intelligent plane compensation system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410576748.6A CN104267160B (en) | 2014-10-24 | 2014-10-24 | Portable micro-water detecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410576748.6A CN104267160B (en) | 2014-10-24 | 2014-10-24 | Portable micro-water detecting device |
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| CN104267160A CN104267160A (en) | 2015-01-07 |
| CN104267160B true CN104267160B (en) | 2016-07-27 |
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| CN201410576748.6A Active CN104267160B (en) | 2014-10-24 | 2014-10-24 | Portable micro-water detecting device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807957A (en) * | 2015-03-23 | 2015-07-29 | 江苏省电力公司检修分公司 | Portable SF6 gas characteristic index monitoring device |
| CN109248545B (en) * | 2018-09-27 | 2021-04-09 | 国网新疆电力有限公司和田供电公司 | Micro-water treatment system for combined transformer substation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201075099Y (en) * | 2007-08-30 | 2008-06-18 | 淄博三泵科森仪器有限公司 | Air-cell device for measuring gas moisture |
| CN201184872Y (en) * | 2008-04-21 | 2009-01-21 | 郑元华 | Dry protection type dew point instrument |
| CN201247215Y (en) * | 2008-08-25 | 2009-05-27 | 常州爱特科技有限公司 | Protection device for sensor |
| CN103487299A (en) * | 2013-07-24 | 2014-01-01 | 李虎 | Drying chamber of SF6 micro water tester |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986001143A1 (en) * | 1984-08-18 | 1986-02-27 | Oka, Shozo | High-frequency induction heating type synthetic resin raw material drying apparatus |
| JPH10293106A (en) * | 1997-04-16 | 1998-11-04 | Nippon Carbide Ind Co Inc | Trace moisture detector in chlorine gas |
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- 2014-10-24 CN CN201410576748.6A patent/CN104267160B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201075099Y (en) * | 2007-08-30 | 2008-06-18 | 淄博三泵科森仪器有限公司 | Air-cell device for measuring gas moisture |
| CN201184872Y (en) * | 2008-04-21 | 2009-01-21 | 郑元华 | Dry protection type dew point instrument |
| CN201247215Y (en) * | 2008-08-25 | 2009-05-27 | 常州爱特科技有限公司 | Protection device for sensor |
| CN103487299A (en) * | 2013-07-24 | 2014-01-01 | 李虎 | Drying chamber of SF6 micro water tester |
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