CN108267545A - Carbon monoxide wireless sensor - Google Patents
Carbon monoxide wireless sensor Download PDFInfo
- Publication number
- CN108267545A CN108267545A CN201711478825.4A CN201711478825A CN108267545A CN 108267545 A CN108267545 A CN 108267545A CN 201711478825 A CN201711478825 A CN 201711478825A CN 108267545 A CN108267545 A CN 108267545A
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- CN
- China
- Prior art keywords
- handle
- upper shell
- fixed
- plate
- ring seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229910002091 carbon monoxide Inorganic materials 0.000 title claims abstract description 12
- 239000000523 sample Substances 0.000 claims abstract description 53
- 238000009434 installation Methods 0.000 claims abstract description 14
- 230000000712 assembly Effects 0.000 claims abstract description 13
- 238000000429 assembly Methods 0.000 claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000023402 cell communication Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000004663 powder metallurgy Methods 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical group [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 2
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000003245 coal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- FMDIHXFNKFQAKZ-UHFFFAOYSA-N [Li].[Fe].S(O)(O)(=O)=O Chemical group [Li].[Fe].S(O)(O)(=O)=O FMDIHXFNKFQAKZ-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/004—CO or CO2
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The present invention relates to a kind of carbon monoxide wireless sensors, including upper shell, lower casing, handle assemblies, sensor probe apparatus, buzzer, main circuit board and for electric installation, the buzzer is fixed on by buzzer briquetting on the upper shell, the main circuit board includes display screen and is fixed on the upper end of the upper shell on the upper shell being provided with handle assemblies and light warning device, lower end is provided with sensor probe apparatus, the handle assemblies include eye ring seat, the handle that is rotatably provided on the eye ring seat and for the eye ring seat to be fixed on to the handle nut on the upper shell.The present invention's passes through integrated battery, wireless transmitting system in sensor, communication, the power supply mode of traditional sensors are changed, in the placement process of sensor, reduces the arrangement of power cord and data line, so that the arrangement of sensor is more convenient, easy, mitigate labor intensity.
Description
Technical field
The present invention relates to a kind of carbon monoxide wireless sensors, belong to mining equipment technical field.
Background technology
Coal mine safety monitoring system plays vital effect during Safety of Coal Mine Production, and allows various sensings
The reliable and stable work of device is to allow the basis of monitoring system stable operation.Underground coal mine environment is intricate, such as the pick of mine
It is tunneled into most of working face using the mode of blowing out, so the communication line for being placed on the various sensors of driving face holds very much
It is easily damaged, so as to influence the normal use of safety monitoring system.In addition, with the change of working face, the communication line of sensor
Road can also change correspondingly, and the workload of wiring is bigger.Therefore, market needs a kind of wireless sensor to solve the problems, such as this.
Invention content
According to the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is to:There is provided a kind of carbon monoxide without
Line sensor by integrated battery, wireless transmitting system in sensor, changes communication, the power supply mode of traditional sensors,
In the placement process of sensor, reduce the arrangement of power cord and data line so that the arrangement of sensor is more convenient, holds
Easily, mitigate labor intensity;Sensor probe apparatus bottom is provided with external screw thread, when on pipeline in use, can be coupled
Corresponding connector, is connected with pipeline, and sensor probe apparatus is contacted with environment is provided with powder metallurgy filter plate, when for ring
Border can be without any processing when detecting, and can realize environment carbon monoxide transducer and pipeline carbon monoxide transducer one in this way
Body designs.
Carbon monoxide wireless sensor of the present invention, including upper shell, lower casing, handle assemblies, sensor probe
Device, buzzer, main circuit board and for electric installation, the lower casing is detachably mounted to the upper shell, the buzzer
It being fixed on the upper shell by buzzer briquetting, the main circuit board includes display screen and is fixed on the upper shell,
The upper shell corresponds to and buzzing hole is provided at the buzzer, is provided with observation window, the observation at the corresponding display screen
Transparency display window is provided at window, the upper end of the upper shell is provided with handle assemblies and light warning device, lower end are provided with biography
Sensor probe apparatus, the handle assemblies include eye ring seat, the handle that is rotatably provided on the eye ring seat and for by institutes
The handle nut that eye ring seat is fixed on the upper shell is stated, the smooth warning device includes the lamp being arranged on the upper shell
It cover fixed seat, the lamp plate being arranged on the fixed holder of lampshade and is arranged on the fixed holder of lampshade for protecting the lamp plate
Lampshade, the sensor probe apparatus is detachably mounted to institute by the probe fixation kit being arranged in the upper shell
The lower end of shell is stated, the sensor probe apparatus stretches into the probe fixation kit end and is provided with and the fixed group of the probe
The first external screw thread, the other end periphery of part cooperation be provided with the second external screw thread for connecting line, be provided on end face it is logical
Cross filter plate pressing plate compression the filter plate for preventing dust from entering sensor internal, it is described for electric installation include battery and with it is described
The battery charge-discharge circuit plate of cell communication, described to be encapsulated in together in the lower casing by epoxy resin for electric installation, institute
The upper end for stating lower casing is provided with radio transmission antenna, right side be provided with for seal charging connector charge port plug, institute
It states charging connector and is arranged on the battery charge-discharge circuit plate, the upper shell and the lower casing, transparency display window, handle
Casing gasket, display window sealing plate, eye ring seat gasket, bee are respectively arranged between seat, buzzer and sensor probe apparatus
Ring device gasket, probe apparatus gasket, and lamp plate gasket, the bee are additionally provided between the fixed holder of lampshade and the lamp plate
Ring device, sensor probe apparatus, lamp plate, radio transmission antenna, for electric installation with the main circuit board electrical communication.
Further, it is described probe fixation kit include be arranged on the upper outer casing inner wall fixed plate, be arranged on it is described solid
It fixing nut on fixed board and is arranged in the fixing nut and prevents the sensor probe apparatus from the fixing nut
The lock-screw of loosening, the fixed plate are fixed by welding in the inner wall of the upper shell, and the fixing nut passes through welding
It is fixed in the fixed plate.
Further, alarm lamp hole is provided among the upper end of the upper shell and is arranged on the handle of the alarm lamp hole both sides
Hand bore hole, lower end are provided with sensor probe apparatus hole, left side is provided with air plug hole.
Further, the battery is sulfuric acid lithium iron battery, and the plug is manufactured using silica gel.
Further, the filter plate is pressed on the sensor probe by the filter plate pressing plate by first screw
The end face of device, the filter plate use powder metallurgically manufacturing.
Further, the handle takes the shape of the letter U, and the U-shaped both ends are rotatably fixed on by axis pin on the eye ring seat, institute
It states eye ring seat to be fixed on the upper shell by the handle nut, the U-shaped bottom center of the handle is provided with convenient for just
To the semicircle groove of hanging.
Further, the handle detent mechanism for preventing the handle from deflecting automatically is additionally provided on the eye ring seat, it is described to carry
Hand position-limit mechanism includes the pressure cap being slidably arranged on the eye ring seat and the spring for the pressure cap to be ejected, the pressure
The shaft section of cap is provided with to stitch the four small rules of big side pressure in shape of chinese word Ji and shape of chinese word Ji big end.
Further, it is provided with the slide opening slided convenient for the pressure cap on the eye ring seat, the bottom end of the slide opening is big, upper end
It is small.
Compared with prior art, the invention has the advantages that:
1. by integrated battery, wireless transmitting system in sensor, communication, the supplier of electricity of traditional sensors are changed
Formula in the placement process of sensor, reduces the arrangement of power cord and data line so that the arrangement of sensor is more convenient,
Easily, mitigate labor intensity.
2. sensor probe apparatus bottom is provided with external screw thread, when on pipeline in use, corresponding connection can be coupled
Part is connected with pipeline, and sensor probe apparatus is contacted with environment is provided with powder metallurgy filter plate, can when for environment measuring
With without any processing, environment carbon monoxide transducer and pipeline carbon monoxide transducer integrated design can be realized in this way.
3. by between upper shell and the lower casing, transparency display window, eye ring seat, buzzer and sensor probe apparatus
It is respectively arranged with casing gasket, display window sealing plate, eye ring seat gasket, buzzer gasket, probe apparatus gasket, lamp
Lamp plate gasket is additionally provided between cover fixed seat and lamp plate so that sensor inner cavity and isolation completely outside sensor.
4. by being additionally provided with the handle detent mechanism for preventing handle from deflecting automatically on eye ring seat, handle and sensing are prevented
Shaking between device ontology, while convenient for folding handle.
5. using ferric sulfate lithium battery power supply, not only discharge capacity is big, compact, and cheap, non-toxic, no
Cause environmental pollution.
Description of the drawings
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the structure diagram of the probe fixation kit of the present invention;
Fig. 4 is the enlarged drawing at A in Fig. 1;
Fig. 5 is sensor of the invention functional block diagram;
In figure:1st, upper shell 2, lower casing 2.1, connecting pole 3, buzzer 3.1, buzzer briquetting 3.2, buzzer
Gasket 4, sensor probe apparatus 4.1, filter plate 4.2, filter plate pressing plate 4.3, the first screw 4.4, probe apparatus are close
Packing 5, display screen 5.2, the second screw 6, handle assemblies 6.1, handle 6.2, eye ring seat 6.3, carries main circuit board 5.1
Hand seat gasket 6.4, axis pin 6.5, handle nut 7, light warning device 7.1, fixed holder of lampshade 7.2, lamp plate 7.3, lamp
Cover 7.4, lamp plate gasket 7.5, the 4th screw 8, probe fixation kit 8.1, fixed plate 8.2, fixing nut 8.3, lock
Tight screw 9, display window sealing plate 10, transparency display window 11, for electric installation 12, casing gasket 13, wireless transmission day
Line 14, handle detent mechanism 14.1, spring 14.2, pressure cap 15- plugs.
Specific embodiment
The present invention is described further below in conjunction with the accompanying drawings:
Below by way of specific embodiment, the invention will be further described, but not to limit the present invention, all in the present invention
Within spirit and principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
As shown in Figs. 1-5, the carbon monoxide wireless sensor, including upper shell 1, lower casing 2, handle assemblies 6, sensing
Device probe apparatus 4, buzzer 3, main circuit board 5 and confession electric installation 11, the lower casing 2 are detachably mounted to the upper shell
1, the buzzer 3 is fixed on by buzzer briquetting 3.1 on the upper shell 1, and the main circuit board 5 includes display screen 5.1
And be fixed on the upper shell 1, main circuit board includes storage circuit, clock circuit, display circuit, sound alarm circuit, infrared
Remote control circuit, storage circuit, collecting sensor signal circuit, wireless data transmission circuit, the upper shell 1 correspond to the buzzing
Buzzing hole is provided at device 3, is provided with observation window at the corresponding display screen 5.1, transparence display is provided at the observation window
Window 10, the upper end of the upper shell 1 is provided with handle assemblies 6 and light warning device 7, lower end are provided with sensor probe apparatus 4,
The handle assemblies 6 include eye ring seat 6.2, the handle 6.1 being rotatably provided on the eye ring seat 6.2 and for being carried described
Hand seat 6.2 is fixed on the handle nut 6.5 on the upper shell 1, and the smooth warning device 7 includes being arranged on the upper shell 1
On fixed holder of lampshade 7.1, the lamp plate 7.2 that is arranged on the fixed holder of lampshade 7.1 and be arranged on the fixed holder of lampshade 7.1
On for protecting the lampshade 7.3 of the lamp plate 7.2, the sensor probe apparatus 4 passes through the spy that is arranged in the upper shell 1
Head fixation kit 8 is detachably mounted to the lower end of the upper shell 1, and it is solid that the sensor probe apparatus 4 stretches into the probe
Determine 8 end of component and be provided with that the first external screw thread coordinated with the probe fixation kit 8, other end periphery is provided with to connect
The compression of filter plate pressing plate 4.2 is provided on second external screw thread of pipeline, end face prevents dust from entering sensor internal
Filter plate 4.1, described for battery charge-discharge circuit plate of the electric installation 11 including battery and with the cell communication, the battery is
Sulfuric acid lithium iron battery, it is described to be encapsulated in together by epoxy resin in the lower casing 2 for electric installation 11, the lower casing 2
Upper end is provided with radio transmission antenna 13, right side be provided with for seal charging connector charge port plug 15, the plug
15 are manufactured using silica gel, and the charging connector is arranged on the battery charge-discharge circuit plate, the upper shell 1 and the lower casing
2nd, casing gasket 12 is respectively arranged between transparency display window 10, eye ring seat 6.2, buzzer 3 and sensor probe apparatus 4, is shown
Show window sealing plate 9, eye ring seat gasket 6.3, buzzer gasket 3.2, probe apparatus gasket 4.4, the fixed holder of lampshade
Be additionally provided with lamp plate gasket 7.4 between 7.1 and the lamp plate 7.2, the buzzer 3, sensor probe apparatus 4, lamp plate 7.2,
Radio transmission antenna 13, for electric installation 7 with the main circuit board electrical communication.
Further, the probe fixation kit 8 includes being arranged on the fixed plate 8.1 of 1 inner wall of upper shell, is arranged on institute
State fixing nut 8.2 in fixed plate 8.1 and being arranged in the fixing nut 8.2 prevent the sensor probe apparatus 4 from
The lock-screw 8.3 loosened in the fixing nut 8.2, the fixed plate 8.1 are fixed by welding in the interior of the upper shell 1
Wall, the fixing nut 8.2 are fixed by welding in the fixed plate 8.1.
Further, alarm lamp hole is provided among the upper end of the upper shell 1 and is arranged on the alarm lamp hole both sides
Handle bore hole, lower end are provided with sensor probe apparatus hole, left side is provided with air plug hole.
Further, the filter plate 4.1 is pressed on described by the filter plate pressing plate 4.2 by first screw 4.2
The end face of sensor probe apparatus 4, the filter plate 4.1 use powder metallurgically manufacturing.
Further, the handle 6.1 takes the shape of the letter U, and the U-shaped both ends are rotatably fixed on the handle by axis pin 6.4
On seat 6.2, the eye ring seat 6.2 is fixed on by the handle nut 6.5 on the upper shell 1, the U-shaped of the handle 6.1
Bottom center is provided with the semicircle groove convenient for positive hanging.
Further, it is additionally provided with the handle detent mechanism for preventing the handle 6.1 from deflecting automatically on the eye ring seat 6.2
14, the handle position-limit mechanism 14 includes slidably being arranged on pressure cap 14.2 on the eye ring seat 6.2 and for by the pressure
The spring 14.1 that cap 14.2 ejects, the shaft section of the pressure cap 14.2 is provided in shape of chinese word Ji and shape of chinese word Ji big end to be convenient for big end
The four small rules is pressed to stitch;The slide opening slided convenient for the pressure cap 14.2, the bottom end of the slide opening are provided on the eye ring seat 6.2
Greatly, upper end is small;By being additionally provided with the handle detent mechanism for preventing handle from deflecting automatically on eye ring seat, handle and sensing are prevented
Shaking between device ontology, while convenient for folding handle.
Basic principle, main feature and the advantages of the present invention of the present invention has been shown and described above.The skill of the industry
Art personnel it should be appreciated that the present invention is not limited to the above embodiments, the above embodiments and description only describe
The principle of the present invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these
Changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and
Its equivalent thereof.
Claims (8)
1. a kind of carbon monoxide wireless sensor, it is characterised in that:Including upper shell, lower casing, handle assemblies, sensor probe
Device, buzzer, main circuit board and for electric installation, the lower casing is detachably mounted to the upper shell, the buzzer
It being fixed on the upper shell by buzzer briquetting, the main circuit board includes display screen and is fixed on the upper shell,
The upper shell corresponds to and buzzing hole is provided at the buzzer, is provided with observation window, the observation at the corresponding display screen
Transparency display window is provided at window, the upper end of the upper shell is provided with handle assemblies and light warning device, lower end are provided with biography
Sensor probe apparatus, the handle assemblies include eye ring seat, the handle that is rotatably provided on the eye ring seat and for by institutes
The handle nut that eye ring seat is fixed on the upper shell is stated, the smooth warning device includes the lamp being arranged on the upper shell
It cover fixed seat, the lamp plate being arranged on the fixed holder of lampshade and is arranged on the fixed holder of lampshade for protecting the lamp plate
Lampshade, the sensor probe apparatus is detachably mounted to institute by the probe fixation kit being arranged in the upper shell
The lower end of shell is stated, the sensor probe apparatus stretches into the probe fixation kit end and is provided with and the fixed group of the probe
The first external screw thread, the other end periphery of part cooperation be provided with the second external screw thread for connecting line, be provided on end face it is logical
Cross filter plate pressing plate compression the filter plate for preventing dust from entering sensor internal, it is described for electric installation include battery and with it is described
The battery charge-discharge circuit plate of cell communication, described to be encapsulated in together in the lower casing by epoxy resin for electric installation, institute
The upper end for stating lower casing is provided with radio transmission antenna, right side be provided with for seal charging connector charge port plug, institute
It states charging connector and is arranged on the battery charge-discharge circuit plate, the upper shell and the lower casing, transparency display window, handle
Casing gasket, display window sealing plate, eye ring seat gasket, bee are respectively arranged between seat, buzzer and sensor probe apparatus
Ring device gasket, probe apparatus gasket, and lamp plate gasket, the bee are additionally provided between the fixed holder of lampshade and the lamp plate
Ring device, sensor probe apparatus, lamp plate, radio transmission antenna, for electric installation with the main circuit board electrical communication.
2. carbon monoxide wireless sensor according to claim 1, it is characterised in that:The probe fixation kit includes setting
It puts the fixed plate of outer casing inner wall, the fixing nut being arranged in the fixed plate on described and is arranged in the fixing nut
The lock-screw for preventing the sensor probe apparatus from being loosened from the fixing nut, the fixed plate are fixed by welding in
The inner wall of the upper shell, the fixing nut are fixed by welding in the fixed plate.
3. carbon monoxide wireless sensor according to claim 1, it is characterised in that:It is set among the upper end of the upper shell
It is equipped with alarm lamp hole and is arranged on handle bore hole, the lower end for alarming lamp hole both sides and be provided with sensor probe apparatus hole,
The lower casing upper end is provided with antenna opening, right side is provided with the charge port.
4. carbon monoxide wireless sensor according to claim 1, it is characterised in that:The battery is ferric sulfate lithium electricity
Pond, the plug are manufactured using silica gel.
5. carbon monoxide wireless sensor according to claim 1, it is characterised in that:The filter plate pressing plate passes through described
The filter plate is pressed on the end face of the sensor probe apparatus by the first screw, and the filter plate uses powder metallurgy system
It makes.
6. carbon monoxide wireless sensor according to claim 1, it is characterised in that:The handle takes the shape of the letter U, the U-shaped
Both ends are rotatably fixed on by axis pin on the eye ring seat, and the eye ring seat is fixed on by the handle nut on described
On shell, the U-shaped bottom center of the handle is provided with the semicircle groove convenient for positive hanging.
7. carbon monoxide wireless sensor according to claim 1, it is characterised in that:It is additionally provided on the eye ring seat anti-
The handle detent mechanism that only handle deflects automatically, the handle position-limit mechanism include slidably being arranged on the eye ring seat
Pressure cap and spring for the pressure cap to be ejected, the shaft section of the pressure cap be provided with just in shape of chinese word Ji and shape of chinese word Ji big end
It is stitched in by the four small rules of big side pressure.
8. carbon monoxide wireless sensor according to claim 7, it is characterised in that:It is provided with and is convenient on the eye ring seat
The slide opening that the pressure cap slides, the bottom end of the slide opening is big, upper end is small.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711478825.4A CN108267545A (en) | 2017-12-29 | 2017-12-29 | Carbon monoxide wireless sensor |
Applications Claiming Priority (1)
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CN201711478825.4A CN108267545A (en) | 2017-12-29 | 2017-12-29 | Carbon monoxide wireless sensor |
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CN108267545A true CN108267545A (en) | 2018-07-10 |
Family
ID=62773071
Family Applications (1)
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CN201711478825.4A Pending CN108267545A (en) | 2017-12-29 | 2017-12-29 | Carbon monoxide wireless sensor |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110836681A (en) * | 2018-08-16 | 2020-02-25 | 国网冀北电力有限公司张家口供电公司 | Alternating current power supply monitoring device of transformer substation |
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CN201464447U (en) * | 2009-04-21 | 2010-05-12 | 上海坤嘉自动化科技有限公司 | Methane sensor used for colliery |
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Application publication date: 20180710 |