CN205263031U - Sulfur hexafluoride concentration detection device - Google Patents
Sulfur hexafluoride concentration detection device Download PDFInfo
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- CN205263031U CN205263031U CN201521140431.4U CN201521140431U CN205263031U CN 205263031 U CN205263031 U CN 205263031U CN 201521140431 U CN201521140431 U CN 201521140431U CN 205263031 U CN205263031 U CN 205263031U
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- sulfur hexafluoride
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Abstract
The utility model belongs to an utilize the electric -examination to survey and carry out the device that the fluid detected at the leakage point, concretely relates to sulfur hexafluoride concentration detection device, including the shell, integrated oxygen sensor, ultrasonic sensor, adc, alarm, temperature sensor and control chip in the shell, oxygen sensor and ultrasonic sensor connect the adc input, and adc output, alarm, temperature sensor link to each other with control chip respectively, the shell is fixed in the casing, and the casing includes and casing and top cap set up mounting hole and fixed orifices on the casing bottom surface that sulfur hexafluoride monitor terminal passes through the mounting hole to be fixed in the casing, installation fixed expansion bolt in the fixed orifices. The utility model discloses can the indoor sulfur hexafluoride concentration of accurate detection, in case detect and reveal, in time report to the police, reduce safe risk.
Description
Technical field
The utility model belongs to a kind of device that utilizes electro-detection to carry out fluid detection at leakage point, is specifically related to a kind of sulfur hexafluorideConcentration detection apparatus.
Background technology
Sulfur hexafluoride is widely used in power industry with its excellent insulating properties, leaks once there is sulfur hexafluoride gas, byExtremely slow in circulation of air, toxicity analyte, in indoor deposition, is difficult for discharging, thereby to entering the work of sulphur hexafloride circuit breaker chamberProduce great danger as personnel, and, because the proportion of sulfur hexafluoride gas is large compared with oxygen, let out when there is sulfur hexafluoride gasWhen leakage, sulfur hexafluoride gas will gather in low layer space, cause local anoxic, and people is suffocated. On the other hand, due to hexafluoroThe colorless and odorless of sulphur gas own, is difficult for allowing people discover after leaking, this has just increased entering diving of leak scene staffIn danger, serious threat personnel's safety and health, even causes serious accident.
Utility model content
For solving the deficiency in above-mentioned technology, the purpose of this utility model is: a kind of concentration of sulfur hexafluoride checkout gear is provided,Accurately concentration of sulfur hexafluoride in sensing chamber, once leakage detected, and alarm, security risk reduced.
For solving its technical problem, technical solution adopted in the utility model is:
Described concentration of sulfur hexafluoride checkout gear, comprises shell, integrated oxygen sensor, ultrasonic sensor, modulus in shellConverter, alarm, temperature sensor and control chip, oxygen sensor and the input of ultrasonic sensor connection mode number converterEnd, analog-digital converter output, alarm, temperature sensor are connected with control chip respectively, and described shell is fixed on casingIn, casing comprises housing and top cover, and installing hole and fixing hole are set on housing bottom surface, shell is fixed on casing by installing holeIn, fixed expansion bolt is installed in fixing hole.
The utility model carries out gas detection by ultrasonic sensor and oxygen sensor, has improved sulfur hexafluoride certainty of measurementWith the reliability of warning message, can monitor continuously for a long time TEMP to the real-time online of sulfur hexafluoride gas concentration contentDevice can record Current Temperatures, and then according to the velocity of sound, it is dense that the relational expression between temperature and gas medium mixed proportion is extrapolated gasDegree, once detect extremely, start alarm and report to the police, the relational expression between temperature and gas medium mixed proportion is abilityField technique personnel common practise no longer describes in detail herein.
This device is applicable to wall-hanging installation and embedded installation simultaneously, and installation as wall-hanging in need, first by installing hole and screwThe interior shell of establishing alarm and sensor is fixed in casing, then by expansion bolt, housing is fixed on wall, completeInstall, installation as embedded in need, can not used expansion bolt, directly will after shell being fixed on to casing by installing hole and screwHousing embeds the space of wall, for ensureing fixed effect, also can adopt expansion bolt to be fixed simultaneously.
Wherein, preferred version is:
Described concentration of sulfur hexafluoride checkout gear, also comprises display screen, and display screen is embedded in case surface, and display screen connects to be controlledChip, display screen is for showing the concentration of sulfur hexafluoride when pre-test.
The corresponding display screen of described casing arranges transparency window, and staff can see through transparency window and read the current data that record.
Expansion bolt comprises screw rod and sleeve pipe, and described casing pipe sleeve is located at screw rod outside, and sleeve pipe one end arranges separation trough, and separation trough willSleeve pipe is divided into 2-4 sheet tongue piece, and screw rod one end is provided with expansion external member, expansion external member be made as variable-diameter structure, be connected with screw rod oneEnd diameter is less, and the separation trough in expansion external member between corresponding tongue piece arranges projection, when fixing, use instrument by screw rod towards solidDetermine to tighten in hole, the separation trough between projection and tongue piece coordinates, and prevents that screw rod from dallying.
Described casing comprises substrate layer, seal coat, intermediate layer, skin and protective layer, and described substrate layer is nichrome aluminum alloy silkThermal spraying metal level, described seal coat is nanometer epoxide powder coating plastic-blasting layer, described intermediate layer is fire-proof powdery paint plastic-blastingLayer, described skin is highly-chlorinated polyethylene coating, described protective layer is elastomeric material, the close structure that casing is each layer, adhesive forceBy force, thermal spraying metal level has good anti-corrosion capability; The seal coat that nanometer epoxide powder coating plastic-blasting layer forms, hasPermeability and sealing effect are outstanding fully; Adopt fire-proof powdery paint plastic-blasting layer as intermediate layer, can play good fire prevention and doWith; Skin is highly-chlorinated polyethylene coating, has good decoration functions; Protective layer can play protection to metal surface and doWith.
Described ultrasonic sensor, comprises piezoelectric ceramics and cavity, and piezoelectric ceramics is located in cavity, and cavity encapsulates by foamed glue,Piezoelectric ceramics is positioned at the bottom of described cavity, foamed glue be positioned at piezoelectric ceramics above, piezoelectric ceramics is encapsulated in the inner, assemblingTime, piezoelectric ceramics is fixed on to the bottom in cavity; Carry out wiring from the electrode of piezoelectric ceramics; Use foaming at normal temp glue to pressingElectroceramics carries out package curing, and installation step simple and fast, reduces costs.
It should be noted that, the computer program relating in equipment use procedure belongs to technology as well known to those skilled in the art.
Compared with prior art, the utlity model has following beneficial effect:
The utility model is concentration of sulfur hexafluoride in sensing chamber accurately, once leakage detected, and alarm, safety wind reducedDanger. This device can be applicable to wall-hanging and embedded installation simultaneously, adopts ultrasonic sensor and oxygen sensor to carry out gasDetect, improved the reliability of sulfur hexafluoride certainty of measurement and warning message, can be for a long time to sulfur hexafluoride gas concentration contentReal-time online monitor continuously, temperature sensor can record Current Temperatures, then according to the velocity of sound, temperature and gas medium mixing ratioRelational expression between example is extrapolated gas concentration, once detect extremely, starts alarm and reports to the police, and prevents Leakage Gas prestigeSide of body office work personnel, improve work production safety coefficient.
Brief description of the drawings
Fig. 1 is embodiment 1 circuit block diagram.
Fig. 2 is embodiment 1 casing structure schematic diagram.
Fig. 3 is embodiment 1 expansion bolt structural representation.
Fig. 4 is embodiment 2 ultrasonic sensor structure charts.
In figure: 1, housing; 2, installing hole; 3, fixing hole; 4, expansion bolt; 5, screw rod; 6, sleeve pipe; 7, separation trough;8, tongue piece; 9, expansion external member; 10, projection; 11, piezoelectric ceramics; 12, cavity; 13, foamed glue; 14, lead-in wire.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model embodiment is described further:
Embodiment 1:
As shown in Figure 1-2, concentration of sulfur hexafluoride checkout gear described in the utility model, comprises shell, and in shell, integrated oxygen passesSensor, ultrasonic sensor, analog-digital converter, alarm, temperature sensor and control chip, oxygen sensor and ultrasonic waveSensor connection mode number converter input, analog-digital converter output, alarm, temperature sensor respectively with control chip phaseConnect, described shell is fixed in casing, and casing comprises housing 1 and top cover, housing 1 and top cover or hinged or clamping, housing 1Installing hole 2 and fixing hole 3 are set on bottom surface, and shell is fixed in casing by installing hole 2, and the interior installation of fixing hole 3 is fixing swollenSwollen bolt 4.
Wherein, concentration of sulfur hexafluoride checkout gear, also comprises display screen, and display screen is embedded in case surface, and display screen connects controlCoremaking sheet, display screen is for showing the concentration of sulfur hexafluoride when pre-test; The corresponding display screen of casing arranges transparency window, staffCan see through transparency window and read the current data that record; As shown in Figure 3, expansion bolt 4 comprises screw rod 5 and sleeve pipe 6, described sleeve pipe 6Be set in screw rod 5 outsides, sleeve pipe 6 one end arrange separation trough 7, and sleeve pipe 6 is divided into 2-4 sheet tongue piece 8 by separation trough 7, screw rod 5 one endBe provided with expansion external member 9, expansion external member 9 is made as variable-diameter structure, and one end diameter being connected with screw rod 5 is less, corresponding in expansion external member 9Separation trough 7 between tongue piece 8 arranges projection 10, and when fixing, use instrument is tightened screw rod 5 in fixing hole 3, projection 10 HesSeparation trough 7 between tongue piece 8 coordinates, and prevents that screw rod 5 from dallying; Casing comprises substrate layer, seal coat, intermediate layer, skinAnd protective layer, described substrate layer is nichrome aluminum alloy silk thermal spraying metal level, described seal coat is the spray of nanometer epoxide powder coatingMould layer, described intermediate layer is fire-proof powdery paint plastic-blasting layer, and described skin is highly-chlorinated polyethylene coating, and described protective layer is rubberGlue material, the close structure that casing is each layer, strong adhesion, thermal spraying metal level has good anti-corrosion capability; Nanometer epoxyThe seal coat that powdery paints plastic-blasting layer forms, has sufficient permeability and sealing effect outstanding; The spray of employing fire-proof powdery paintMould layer as intermediate layer, can play good fireproofing function; Skin is highly-chlorinated polyethylene coating, has good decoration functions;Protective layer can play a protective role to metal surface.
The utility model carries out gas detection by ultrasonic sensor and oxygen sensor, has improved sulfur hexafluoride certainty of measurementWith the reliability of warning message, can monitor continuously for a long time TEMP to the real-time online of sulfur hexafluoride gas concentration contentDevice can record Current Temperatures, and then according to the velocity of sound, it is dense that the relational expression between temperature and gas medium mixed proportion is extrapolated gasDegree, once detect extremely, start alarm and report to the police, the relational expression between temperature and gas medium mixed proportion is abilityField technique personnel common practise no longer describes in detail herein.
This device is applicable to wall-hanging installation and embedded installation simultaneously, and installation as wall-hanging in need, first by installing hole 2 and spiral shellSilk is fixed on the interior shell of establishing alarm and sensor in casing, then by expansion bolt 4, housing 1 is fixed on to wallUpper, complete installation, installation as embedded in need, can not used expansion bolt 4, by installing hole 2 and screw, shell is fixed onThe space that directly housing 1 is embedded to wall after casing for ensureing fixed effect, also can adopt expansion bolt 4 to consolidate simultaneouslyFixed.
Embodiment 2:
The present embodiment is improved and the structure of ultrasonic sensor on the basis of embodiment 1, and as shown in Figure 4, described ultrasonic wave passesSensor, comprises piezoelectric ceramics 11 and cavity 12, and piezoelectric ceramics 11 is located in cavity 12, and cavity 12 is by foamed glue 13 envelopesDress, piezoelectric ceramics 11 is positioned at the bottom of described cavity 12, foamed glue 13 be positioned at piezoelectric ceramics 11 above, by piezoelectric ceramics11 encapsulation in the inner, when assembling, are fixed on the bottom in cavity 12 by piezoelectric ceramics 11; From the electrode of piezoelectric ceramics 11Connect lead-in wire 14; Use the foamed glue 13 of normal temperature to carry out package curing to piezoelectric ceramics 11, installation step simple and fast, is lowered intoThis.
Claims (6)
1. a concentration of sulfur hexafluoride checkout gear, is characterized in that, comprises shell, integrated oxygen sensor, ultrasonic in shellWave sensor, analog-digital converter, alarm, temperature sensor and control chip, oxygen sensor is connected with ultrasonic sensorAnalog-digital converter input, analog-digital converter output, alarm, temperature sensor are connected with control chip respectively, described outsideShell is fixed in casing, and casing comprises housing (1) and top cover, and installing hole (2) and fixing hole (3) are set on housing (1) bottom surface,Shell is fixed in casing by installing hole (2), and fixed expansion bolt (4) is installed in fixing hole (3).
2. concentration of sulfur hexafluoride checkout gear according to claim 1, is characterized in that, also comprises display screen, display screenBe embedded in case surface, display screen connects control chip.
3. concentration of sulfur hexafluoride checkout gear according to claim 2, is characterized in that, the corresponding display screen of described casing is establishedPut transparency window.
4. concentration of sulfur hexafluoride checkout gear according to claim 1, is characterized in that, described expansion bolt (4) bagDraw together screw rod (5) and sleeve pipe (6), described sleeve pipe (6) is set in screw rod (5) outside, and sleeve pipe (6) one end arranges separation trough(7), sleeve pipe (6) is divided into 2-4 sheet tongue piece (8) by separation trough (7), and screw rod (5) one end is provided with expansion external member (9),Expansion external member (9) is made as variable-diameter structure, and one end diameter being connected with screw rod (5) is less, the upper corresponding tongue piece of expansion external member (9)(8) separation trough (7) between arranges projection (10).
5. according to the concentration of sulfur hexafluoride checkout gear described in claim 1,2 or 3, it is characterized in that, described casing comprisesSubstrate layer, seal coat, intermediate layer, skin and protective layer, described substrate layer is nichrome aluminum alloy silk thermal spraying metal level, instituteStating seal coat is nanometer epoxide powder coating plastic-blasting layer, and described intermediate layer is fire-proof powdery paint plastic-blasting layer, and described skin is highChlorinated polyethylene ene coatings, described protective layer is elastomeric material.
6. concentration of sulfur hexafluoride checkout gear according to claim 1, is characterized in that, described ultrasonic sensor comprisesPiezoelectric ceramics (11) and cavity (12), piezoelectric ceramics (11) is located in cavity (12), and cavity (12) is by foamed glue (13)Encapsulation, piezoelectric ceramics (11) is positioned at the bottom of described cavity (12), and foamed glue (13) is positioned at the upper of piezoelectric ceramics (11)Face, encapsulates piezoelectric ceramics (11) in the inner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521140431.4U CN205263031U (en) | 2015-12-31 | 2015-12-31 | Sulfur hexafluoride concentration detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521140431.4U CN205263031U (en) | 2015-12-31 | 2015-12-31 | Sulfur hexafluoride concentration detection device |
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| Publication Number | Publication Date |
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| CN205263031U true CN205263031U (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521140431.4U Active CN205263031U (en) | 2015-12-31 | 2015-12-31 | Sulfur hexafluoride concentration detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872568A (en) * | 2017-02-24 | 2017-06-20 | 常州波速传感器有限公司 | A kind of oxygenerator oxygen concentration detection sensor |
-
2015
- 2015-12-31 CN CN201521140431.4U patent/CN205263031U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872568A (en) * | 2017-02-24 | 2017-06-20 | 常州波速传感器有限公司 | A kind of oxygenerator oxygen concentration detection sensor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 255086 Zibo high tech Zone, Shandong Road, No. 135, block E, Room 405 Patentee after: Zhiyang Innovation Technology Co., Ltd. Address before: 255086 Zibo high tech Zone, Shandong Road, No. 135, block E, Room 405 Patentee before: SHANDONG ZHIYANG ELECTRIC CO., LTD. |