CN208077377U - Gas alarm device - Google Patents
Gas alarm device Download PDFInfo
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- CN208077377U CN208077377U CN201820470472.7U CN201820470472U CN208077377U CN 208077377 U CN208077377 U CN 208077377U CN 201820470472 U CN201820470472 U CN 201820470472U CN 208077377 U CN208077377 U CN 208077377U
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- 239000000725 suspension Substances 0.000 claims description 53
- 230000033001 locomotion Effects 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 4
- 230000002459 sustained effect Effects 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 8
- 230000009471 action Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 163
- 239000000306 component Substances 0.000 description 23
- 239000002737 fuel gas Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000035515 penetration Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 238000003825 pressing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model provides a gas alarm device, which comprises a gas alarm component and a lifting component, wherein the gas alarm component comprises a gas sensor for detecting the concentration of gas in a space to be detected and an alarm controller connected with the gas sensor through a cable; the lifting assembly comprises a first hanging pulley, a hanging rope and a hand-cranking device, the first hanging pulley is fixed at the top of the space to be measured, the first end of the hanging rope is connected with the gas sensor, and the second end of the hanging rope penetrates through the first hanging pulley and then is connected with the hand-cranking device; the hand cranking device is arranged on the wall of the space to be measured and used for exerting pulling force on the hanging rope under the drive of manpower so that the gas sensor ascends to the top area of the space to be measured under the drive of the hanging rope. Therefore, the gas alarm assembly is changed from a fixed mode to a lifting mode under the action of the lifting assembly, the requirement for detecting combustible gas is met, the problem of inconvenient maintenance in the existing fixed installation mode is solved, and the working efficiency is improved.
Description
Technical field
The utility model is related to equipment mounting technique field more particularly to a kind of gas warning systems.
Background technology
The places such as oil and chemical industry are installed fixed flammable gas alarm and are leaked for detection gas at the scene extensively, protect
Barrier safety in production.Fixed flammable gas alarm is installed on the place that fuel gas is most easily revealed, and core component is built-in
Combustible gas sensor, sensor detects the concentration of fuel gas in air, and flammable gas alarm detects sensor
Gas concentration be converted into electric signal, by cable transmission to controller, gas concentration is higher, and electric signal is stronger, when gas is dense
When degree meets or exceeds the alarm point of alarm controller setting, alarm sends out alarm signal, and can start solenoid valve, exhaust fan
Equal peripheral equipments, exclude hidden danger automatically.It is provided according to fixed flammable gas alarm installation specification, lighter-than-air combustible gas
Body source of release be in closing or semiclosed workshop in, detector should be set above source of release, should also in workshop peak it is easy
Detector is set at accumulation fuel gas.Existing mounting means is that flammable gas alarm is fixedly installed in roof crossbeam
On, therefore it is very high apart from ground.
In order to ensure that flammable gas alarm works normally, need to carry out daily maintenance, periodic check to it.Due to workshop
Inside there are large scale equipment, top to have overhead crane, so maintenance platform cannot be arranged.Safeguarding the fuel gas report mounted on roof
It has to use independent ascending platform, such as lift truck, scaffold, step ladder when alert device.Since independent ascending platform is in position
When higher be easy shake, there are certain insecurity, and ascend a height operation when must also wear safety belt, so not
Only trouble is also dangerous.Along with due to there is many production equipments on ground, when transfer or mobile platform, is also inconvenient, is unfavorable for
Improve working efficiency.
For deficiency existing for the above-mentioned stationary gas warning device positioned at eminence, it is badly in need of a kind of gas of Liftable type
Warning device.
Utility model content
The utility model provides a kind of gas alarm component, and gas alarm component is under the action of lifting assembly, by fixing
Mode changes into up-down mode, has not only met the requirement of detection fuel gas, but also solves and safeguarded under existing fixed installation mode
Inconvenient problem, improves work efficiency.
The utility model provides a kind of gas warning system, including gas alarm component and lifting assembly, wherein
Gas alarm component includes for detecting the gas sensor of gas concentration and and gas sensing in space to be measured
The alarm controller that device passes through cable connection；
Lifting assembly includes the first suspension pulley, hanging rope and manual setter, and the first suspension pulley is fixed on sky to be measured
Between top, the first end for hanging rope connect with gas sensor, hang rope second end pass through the first suspension pulley after
It is connect with manual setter；Manual setter is arranged on the wall in space to be measured, for applying to hanging rope under manpower driving
Pulling force, so that gas sensor rises to the top area in space to be measured under the drive of hanging rope.
Further, there is cable fixed section and mobile section, fixed section to be fixed on top of space to be measured, and mobile section is connected to
It is arranged side by side between fixed section and gas sensor and with hanging rope, and mobile section can be bent with the movement of hanging rope.
Further, further include multiple spaced connectors, the first end of each connector is connect with mobile section, and
Two ends and the part of hanging rope being arranged side by side with mobile section are connect.
Further, the first end of connector is fixedly connected with mobile section, and second end and the hanging rope of connector can be slided
Dynamic connection.
Further, it is fixedly connected closest to the second end of the connector of gas sensor with hanging rope.
Further, lifting assembly further includes the second suspension pulley, and the second suspension pulley is fixed on the top in space to be measured,
And second suspension pulley be located at the surface of manual setter, the second end for hanging rope sequentially passes through the first suspension pulley and the
It is connect with manual setter after two suspension pulleys.
Further, the second suspension pulley and the first suspension pulley are located at sustained height.
Further, manual setter includes handwheel and rotation axis, and rotation axis is horizontally disposed, for the winding hanging in rotation
Rope, handwheel and rotation axis connection, to drive rotation axis to rotate.
Further, the probe orientation of gas sensor is straight down.
Further, further include the limit assembly being arranged in top of space to be measured, limit assembly is with limiting section, limiting section
Limit space is formed in the horizontal direction, and limit space is used to consolidate when gas sensor rises to the top area in space to be measured
Determine gas sensor.
Gas warning system provided by the utility model, gas warning system include gas alarm component and lifting assembly,
Wherein, gas alarm component include for detect in space to be measured the gas sensor of gas concentration and with gas sensor it is logical
Cross the alarm controller of cable connection；Lifting assembly includes the first suspension pulley, hanging rope and manual setter, and the first suspension is slided
Wheel is fixed on the top in space to be measured, and the first end for hanging rope is connect with gas sensor, and the second end for hanging rope passes through
It is connect with manual setter after first suspension pulley；Manual setter is arranged on the wall in space to be measured, under manpower driving
Pulling force is applied to hanging rope, so that gas sensor rises to the top area in space to be measured under the drive of hanging rope.
Gas alarm component in this way changes into up-down mode under the action of lifting assembly, by fixed form, and it is flammable both to have met detection
The requirement of gas, and solve the problems, such as to safeguard inconvenience under existing fixed installation mode, it improves work efficiency.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is in structural representation when bottom for gas sensor in gas warning system provided by the utility model
Figure；
Fig. 2 is in structural representation when the top for gas sensor in gas warning system provided by the utility model
Figure；
Fig. 3 is the structural schematic diagram for the gas warning system that the utility model embodiment one provides；
Fig. 4 is the structural schematic diagram of grip block in the utility model embodiment one；
Fig. 5 is the structural schematic diagram of limiting section in the utility model embodiment two.
100：Gas sensor；
101：Cable；
102：Zinc-plated penetration pipe；
211：Manual setter；
213：Second suspension pulley；
214：First suspension pulley；
220：Hang rope；
230：Connector；
400：Incorporating section；
500：Limiting section；
511：Grip block；
512：First electric pushrod；
513：Strut；
521：Sliding rail；
522：Sliding block；
523：Second electric pushrod；
524：Supporting rod.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts belong to
The range of the utility model protection.
Embodiment one：
Fig. 1 is in structural representation when bottom for gas sensor in gas warning system provided by the utility model
Figure, Fig. 2 are in structural schematic diagram when the top, Fig. 3 for gas sensor in gas warning system provided by the utility model
For the structural schematic diagram for the gas warning system that the utility model embodiment one provides, Fig. 4 is in the utility model embodiment one
The structural schematic diagram of grip block.As shown in Figs 1-4, gas warning system provided in this embodiment, including gas alarm component and
Lifting assembly, wherein
Gas alarm component includes gas sensor 100 for detecting combustable gas concentration in space to be measured and gentle
The alarm controller that body sensor 100 is connected by cable 101.
Optionally, alarm controller is also electrically connected with solenoid valve, the exhaust fan etc. in space to be measured, works as gas sensor
After 100 detect the concentration of under test gas, the concentration detected can be converted into electric signal, then be transmitted by cable 101
To alarm controller, gas concentration is higher, and electric signal is stronger, when gas concentration meets or exceeds the alarm of alarm controller setting
When point, alarm sends out alarm signal, and can start the peripheral equipments such as solenoid valve, exhaust fan, excludes hidden danger automatically.The gas passes
Sensor 100 can be not only the sensor for detecting combustable gas concentration, can also be for detecting the dense of toxic gas etc.
The sensor of degree, specifically, for the places such as oil and chemical industry, used gas sensor 100 is fuel gas report
Alert device, the concentration for detecting fuel gas in workshop, and send out alarm.
Lifting assembly includes the first suspension pulley 214, hanging rope 220 and manual setter 211, the first suspension pulley 214
It is fixed on the top in space to be measured, the first end of hanging rope 220 is connect with gas sensor 100, and the second of hanging rope 220
End is connect after the first suspension pulley 214 with manual setter 211；Manual setter 211 is arranged on the wall in space to be measured, uses
Under being driven in manpower to hanging rope 220 apply pulling force so that gas sensor 100 hanging rope 220 drive under on
Rise to the top area in space to be measured.
Wherein, hanging rope 220 is the important component for connecting manual setter 211 and gas sensor 100, it is desirable that is not given birth to
Rust, it is not stranded, it does not harden.7*7, the metallic cable of 1.2~1.8mm of diameter are used in the present embodiment.
Cable 101 has fixed section and mobile section, and fixed section is fixed on top of space to be measured, and is wrapped in zinc-plated penetration pipe
In 102, mobile section is connected between fixed section and gas sensor 100 and is arranged side by side with hanging rope 220, and mobile section can
It is bent with the movement of hanging rope, 101 threading opening of cable ensures electrical explosion proof requirement using seal nipple.
On the basis of the above embodiments, gas warning system provided in this embodiment further includes multiple spaced companies
The first end of fitting 230, each connector 230 is connect with the mobile section of cable 101, second end and hanging rope 220 with electricity
The part connection arranged side by side of the mobile section of cable 101.It is arranged such, it is ensured that the mobile section of hanging rope 220 and cable 101
Be not in the phenomenon that screwing in being arranged side by side and having fixed distance.
Optionally, the first end of connector 230 is fixedly connected with the mobile section of cable 101, the second end of connector 230 with
220 slidable connection of rope is hung, in this way when manual setter 211 drives hanging rope 220 to move upwards, the shifting of cable 101
Dynamic section can be bent due to the blocking of connector 230, can save space, and appearance is also relatively cleaner and tidier.
On the basis of the above embodiments, in order to ensure that gas sensor 100 will not show with what connector 230 collided with
As the second end closest to the connector 230 of gas sensor 100 is fixedly connected with hanging rope 220, in this way, in hand dress
211 drives hanging rope 220 is set when moving upwards, the connector 230 closest to gas sensor 100 can move upwardly together,
And fixed distance is always maintained between gas sensor 100, will not collide with phenomenon, meanwhile, it is in closest to gas
Cable 101 between the connector 230 and next connector 230 of body sensor 100 can be first stowed away, and then gradually be packed up
Until state as shown in Figure 2.
Optionally, when first suspension 214 fixed position of pulley and 211 fixed position of manual setter between laterally across
When spending big, lifting assembly can also include the second suspension pulley 213 for operating easily, and the second suspension pulley 213 is fixed on
The top in space to be measured, and the second suspension pulley 213 is located at the surface of manual setter 211, the second end of hanging rope 220 according to
It is secondary pass through the first suspension pulley 214 and second hang pulley 213 after connect with manual setter 211.
Optionally, on the basis of the above embodiments, in the present embodiment, the second suspension pulley 213 and first hangs pulley
214 are located at sustained height, after the second end of hanging rope 220 passes through the first suspension pulley 214, direction from becoming horizontal vertically,
After the second suspension pulley 213, direction becomes vertical from level, is finally connect again with manual setter 211, so set,
It can easily realize the lifting to gas sensor 100.
It is required that second suspension pulley 213 and first hang pulley 214 after prolonged use, remain to rotation flexibly, do not block
Stagnant, rope is not job-hoped.
Optionally, manual setter 211 includes handwheel and rotation axis, and rotation axis is horizontally disposed, is hung for being wound in rotation
Lanyard rope 220, handwheel and rotation axis connection, to drive rotation axis to rotate.In the present embodiment, rotation axis is internally provided with ratchet machine
Structure prevents rotation axis from reversing, so as to control the amount that hanging rope 220 is wound, so as to so that gas sensor 100 is parked in
Any position.
Connection relation between handwheel and rotation axis can select diversified forms, as long as ensureing between handwheel and rotation axis
Connection is reliable.Such as：Connection between handwheel and rotation axis can be integrated, or detachable company
Connect mode.
It, can be with handle when without using manual setter 211 when between handwheel and rotation axis being dismountable connection type
Wheel is taken off, and can not only be operated to avoid irrelevant personnel, but also can save space.Meanwhile if encountering the feelings of single component damage
Condition can also only replace out of order component, and retain other parts, can reduce in this way the repair of the manual setter 211 at
This.
When between handwheel and rotation axis being dismountable connection type, screw thread may be used between handwheel and rotation axis
A variety of fixed forms such as connection or buckle-type connection.
It may be provided with external screw thread when between handwheel and rotation axis to be threadedly coupled, on one end of handwheel, it is right in rotation axis
Position is answered to be provided with threaded hole, when use first fits together handwheel and rotation axis, is then rotated further by handwheel and carries out gas biography
The descending operation of sensor 100.
Buckle-type connection can also be used between handwheel and rotation axis, setting can be on one end of handwheel and rotation axis respectively
The buckle being mutually interlocked, when use, first fit together handwheel and rotation axis, then again by rotating hand towards different directions
Wheel carries out the descending operation of gas sensor 100.Rapidly handwheel can be taken off when need not use.
Optionally, the gas of lower section is detected for convenience, the probe orientation of gas sensor 100 is straight down.
Due to the phenomenon that will appear shaking when gas sensor 100 is in the state hung, not only to hanging rope 220
Intensity requirement will increase, and gas sensor 100 is may be damaged, for this purpose, gas alarm provided in this embodiment fills
It further includes the limit assembly being arranged in top of space to be measured to set, and limit assembly has limiting section, limiting section shape in the horizontal direction
At limit space, limit space is used for the fixed gas when gas sensor 100 rises to the top area in space to be measured and senses
Device 100.
It includes incorporating section that limit assembly, which can have a variety of different structure types, the limit assembly provided in the present embodiment,
400 and limiting section 500, the upper end of incorporating section 400 be fixed on crossbeam, lower end and the limiting section 500 of incorporating section 400 pivotably connect
It connects, limit assembly is used to carry out clamping position to the gas sensor 100 positioned at test position, prevents its shaking.
Further, in the present embodiment, incorporating section 400 is the barreled of bottom end opening, the electricity that incorporating section 400 can will pack up
The mobile section of cable 101 is taken in wherein, plays the role of protection.
Further, the cross section of incorporating section 400 can need to be arranged to different shapes according to the connection from limiting section 500
Shape.
Limiting section 500 can have a variety of structures form, specifically, in the present embodiment one, 500 structure type of limiting section is as schemed
Shown in 3, limiting section 500 includes two grip blocks, 511, two the first electric pushrods 512 and two struts 513, two grip blocks
511 middle part is hinged with the lower end of incorporating section 400 respectively, and two grip blocks 511 are symmetrical arranged, and two grip blocks 511, which are located at, to be received
Receive the outside of portion 400 part it is hinged with the output end of two the first electric pushrods 512 respectively, two the first electric pushrods 512 divide
Not Wei Yu incorporating section 400 outside, two the first electric pushrods 512 are vertically arranged, and output end is downward；Two first electronic
The upper end of push rod 512 is hinged with the lower end of two struts 513 respectively, and the upper end of two struts 513 is respectively fixed on crossbeam.
Optionally, when grip block 511 and the lower end of incorporating section 400 are hinged, different modes can be taken, such as：It is pressing from both sides
Hold the both sides fluting of plate 511, the lower end of incorporating section 400 be symmetrical arranged two can be inserted it is convex in the slot that grip block 511 is opened
It rises, and then rotary motion of the grip block 511 relative to incorporating section 400 may be implemented；
A through-hole can also be opened at the middle part of grip block 511, the lower end of incorporating section 400, which is arranged one, can pass through clamping
The rod piece of 511 middle through-hole of plate, to realize articulated connection；
It can also be by slotting on incorporating section 400, while the both sides setting at 511 middle part of grip block can stick into fluting
Interior protrusion, to realize rotary motion of the grip block 511 relative to incorporating section 400.This connection side is taken in the present embodiment
Formula.
Optionally, the connection type of the outside of grip block 511 and 512 output end of the first electric pushrod can also select a variety of
Form, as long as ensureing that the outside of grip block 511 and 512 output end of the first electric pushrod are articulated connection.Such as：First
The both sides symmetrical grooving of 512 output end of electric pushrod, while in the suitable position setting in 511 outside of grip block and above-mentioned fluting
The protrusion matched so that be rotatably connected between the protrusion and fluting；
A through-hole can also be opened in the horizontal direction on the output end of the first electric pushrod 512, and in grip block 511
The suitable position in outside, which is arranged one, can pass through the rod piece of above-mentioned through-hole, and then realize outside and the first electricity of grip block 511
The articulated connection of 512 output end of dynamic push rod.
In the present embodiment, the specific constructive form of grip block 511 is as shown in figure 4, the both sides setting at 511 middle part of grip block can
The protrusion in fluting to stick into incorporating section 400, the suitable position in 511 outside of grip block is arranged one can be electronic across first
The rod piece of 512 output end through-hole of push rod.
The inside of two grip blocks 511 is symmetrically provided with a pair of card slot compatible with the shape of gas sensor 100, card slot
Inside is equipped with rubber, and gas sensor 100, this implementation are scratched when rubber can prevent grip block 511 that gas sensor 100 is clamped
In example, the card slot of the inside of two grip blocks 511 is semicircle shape.
Two the first electric pushrods 512 are electrically connected with the controller, and simultaneously operating is arranged in two the first electric pushrods 512
Function.
When needing to carry out daily maintenance and effect to gas sensor 100, it usually needs pass the gas in eminence
Sensor 100 drops to the position that staff can get at, and in the present embodiment, needs first to discharge the gas sensing in clamp position
Then gas sensor 100 is dropped to the position of needs by device 100 by lifting assembly, specific manipulate is：Pass through control first
The output end that device manipulates two the first electric pushrods 512 moves upwards simultaneously, to drive the outside of two grip blocks 511 upward
Movement, since the middle part of two grip blocks 511 is hinged with the lower end of incorporating section 400 respectively, according to lever principle, two grip blocks
511 inside moves downward, to the clamped gas sensor 100 of release, then will hanging by the rotation of manual setter 211
Rope 220 is transferred, to which gas sensor 100 is down to suitable position.
After working 100 daily maintenance of gas sensor and effect, it will be hung by the rotation of manual setter 211
Rope 220 is promoted, and is driven gas sensor 100 to operating position, is passed through the defeated of controller two the first electric pushrods 512 of startup
Outlet moves downward simultaneously, to push the outside of two grip blocks 511 to move downward, due to the middle part of two grip blocks 511
Hinged with the lower end of incorporating section 400 respectively, the inside of two grip blocks 511 moves upwards, to clamp gas sensor
100, prevent its shaking.
In the present embodiment, gas warning system includes gas alarm component and lifting assembly, wherein gas alarm component packet
It includes for detecting the gas sensor of gas concentration and the alarm control for passing through cable connection with gas sensor in space to be measured
Device processed；Lifting assembly includes the first suspension pulley, hanging rope and manual setter, and the first suspension pulley is fixed on space to be measured
Top, the first end for hanging rope are connect with gas sensor, hang rope second end pass through first suspension pulley after with hand
Shake device connection；Manual setter is arranged on the wall in space to be measured, for applying pulling force to hanging rope under manpower driving,
So that gas sensor rises to the top area in space to be measured under the drive of hanging rope.Gas alarm component is rising in this way
It comes down to a lower group under the action of part, up-down mode is changed by fixed form, not only met the requirement of detection fuel gas, but also solve existing
Have and safeguard inconvenient problem under fixed installation mode, improves work efficiency, the gas warning system is simple in structure, operation side
Just, installation is simple.Meanwhile the amplitude of gas alarm swing is limited by limit assembly, improve safety.
Embodiment two：
Fig. 1 is in structural representation when bottom for gas sensor in gas warning system provided by the utility model
Figure, Fig. 2 are in structural schematic diagram when the top, Fig. 5 for gas sensor in gas warning system provided by the utility model
For the structural schematic diagram of limiting section in the utility model embodiment two.As shown in Fig. 1,2,5, gas alarm provided in this embodiment
Device, including gas alarm component and lifting assembly, wherein
Gas alarm component includes gas sensor 100 for detecting combustable gas concentration in space to be measured and gentle
The alarm controller that body sensor 100 is connected by cable 101.
Optionally, alarm controller is also electrically connected with solenoid valve, the exhaust fan etc. in space to be measured, works as gas sensor
After 100 detect the concentration of under test gas, the concentration detected can be converted into electric signal, then be transmitted by cable 101
To alarm controller, gas concentration is higher, and electric signal is stronger, when gas concentration meets or exceeds the alarm of alarm controller setting
When point, alarm sends out alarm signal, and can start the peripheral equipments such as solenoid valve, exhaust fan, excludes hidden danger automatically.The gas passes
Sensor 100 can be not only the sensor for detecting combustable gas concentration, can also be for detecting the dense of toxic gas etc.
The sensor of degree, specifically, for the places such as oil and chemical industry, used gas sensor 100 is fuel gas report
Alert device, the concentration for detecting fuel gas in workshop, and send out alarm.
Lifting assembly includes the first suspension pulley 214, hanging rope 220 and manual setter 211, the first suspension pulley 214
It is fixed on the top in space to be measured, the first end of hanging rope 220 is connect with gas sensor 100, and the second of hanging rope 220
End is connect after the first suspension pulley 214 with manual setter 211；Manual setter 211 is arranged on the wall in space to be measured, uses
Under being driven in manpower to hanging rope 220 apply pulling force so that gas sensor 100 hanging rope 220 drive under on
Rise to the top area in space to be measured.
Wherein, hanging rope 220 is the important component for connecting manual setter 211 and gas sensor 100, it is desirable that is not given birth to
Rust, it is not stranded, it does not harden.7*7, the metallic cable of 1.2~1.8mm of diameter are used in the present embodiment.
Cable 101 has fixed section and mobile section, and fixed section is fixed on top of space to be measured, and is wrapped in zinc-plated penetration pipe
In 102, mobile section is connected between fixed section and gas sensor 100 and is arranged side by side with hanging rope 220, and mobile section can
It is bent with the movement of hanging rope, 101 threading opening of cable ensures electrical explosion proof requirement using seal nipple.
On the basis of the above embodiments, gas warning system provided in this embodiment further includes multiple spaced companies
The first end of fitting 230, each connector 230 is connect with the mobile section of cable 101, second end and hanging rope 220 with electricity
The part connection arranged side by side of the mobile section of cable 101.It is arranged such, it is ensured that the mobile section of hanging rope 220 and cable 101
Be not in the phenomenon that screwing in being arranged side by side and having fixed distance.
Optionally, the first end of connector 230 is fixedly connected with the mobile section of cable 101, the second end of connector 230 with
220 slidable connection of rope is hung, in this way when manual setter 211 drives hanging rope 220 to move upwards, the shifting of cable 101
Dynamic section can be bent due to the blocking of connector 230, can save space, and appearance is also relatively cleaner and tidier.
On the basis of the above embodiments, in order to ensure that gas sensor 100 will not show with what connector 230 collided with
As the second end closest to the connector 230 of gas sensor 100 is fixedly connected with hanging rope 220, in this way, in hand dress
211 drives hanging rope 220 is set when moving upwards, the connector 230 closest to gas sensor 100 can move upwardly together,
And fixed distance is always maintained between gas sensor 100, will not collide with phenomenon, meanwhile, it is in closest to gas
Cable 101 between the connector 230 and next connector 230 of body sensor 100 can be first stowed away, and then gradually be packed up
Until state as shown in Figure 2.
Optionally, when first suspension 214 fixed position of pulley and 211 fixed position of manual setter between laterally across
When spending big, lifting assembly can also include the second suspension pulley 213 for operating easily, and the second suspension pulley 213 is fixed on
The top in space to be measured, and the second suspension pulley 213 is located at the surface of manual setter 211, the second end of hanging rope 220 according to
It is secondary pass through the first suspension pulley 214 and second hang pulley 213 after connect with manual setter 211.
Optionally, on the basis of the above embodiments, in the present embodiment, the second suspension pulley 213 and first hangs pulley
214 are located at sustained height, after the second end of hanging rope 220 passes through the first suspension pulley 214, direction from becoming horizontal vertically,
After the second suspension pulley 213, direction becomes vertical from level, is finally connect again with manual setter 211, so set,
It can easily realize the lifting to gas sensor 100.
It is required that second suspension pulley 213 and first hang pulley 214 after prolonged use, remain to rotation flexibly, do not block
Stagnant, rope is not job-hoped.
Optionally, manual setter 211 includes handwheel and rotation axis, and rotation axis is horizontally disposed, is hung for being wound in rotation
Lanyard rope 220, handwheel and rotation axis connection, to drive rotation axis to rotate.In the present embodiment, rotation axis is internally provided with ratchet machine
Structure prevents rotation axis from reversing, so as to control the amount that hanging rope 220 is wound, so as to so that gas sensor 100 is parked in
Any position.
Connection relation between handwheel and rotation axis can select diversified forms, as long as ensureing between handwheel and rotation axis
Connection is reliable.Such as：Connection between handwheel and rotation axis can be integrated, or detachable company
Connect mode.
It, can be with handle when without using manual setter 211 when between handwheel and rotation axis being dismountable connection type
Wheel is taken off, and can not only be operated to avoid irrelevant personnel, but also can save space.Meanwhile if encountering the feelings of single component damage
Condition can also only replace out of order component, and retain other parts, can reduce in this way the repair of the manual setter 211 at
This.
When between handwheel and rotation axis being dismountable connection type, screw thread may be used between handwheel and rotation axis
A variety of fixed forms such as connection or buckle-type connection.
It may be provided with external screw thread when between handwheel and rotation axis to be threadedly coupled, on one end of handwheel, it is right in rotation axis
Position is answered to be provided with threaded hole, when use first fits together handwheel and rotation axis, is then rotated further by handwheel and carries out gas biography
The descending operation of sensor 100.
Buckle-type connection can also be used between handwheel and rotation axis, setting can be on one end of handwheel and rotation axis respectively
The buckle being mutually interlocked, when use, first fit together handwheel and rotation axis, then again by rotating hand towards different directions
Wheel carries out the descending operation of gas sensor 100.Rapidly handwheel can be taken off when need not use.
Optionally, the gas of lower section is detected for convenience, the probe orientation of gas sensor 100 is straight down.
Due to the phenomenon that will appear shaking when gas sensor 100 is in the state hung, not only to hanging rope 220
Intensity requirement will increase, and gas sensor 100 is may be damaged, for this purpose, gas alarm provided in this embodiment fills
It further includes the limit assembly being arranged in top of space to be measured to set, and limit assembly has limiting section, limiting section shape in the horizontal direction
At limit space, limit space is used for the fixed gas when gas sensor 100 rises to the top area in space to be measured and senses
Device 100.
It includes incorporating section that limit assembly, which can have a variety of different structure types, the limit assembly provided in the present embodiment,
400 and limiting section 500, the upper end of incorporating section 400 be fixed on crossbeam, 400 lower end of incorporating section is internally provided with limiting section
500, limit assembly is used to carry out clamping position to the gas sensor 100 positioned at test position, prevents its shaking.
In the present embodiment two, the structure type of limiting section 500 is as shown in figure 5, limiting section 500 includes 521, two cunnings of sliding rail
522, two the second electric pushrods 523 of block and two supporting rods 524, two the second electric pushrods 523 are electrically connected with the controller.
It being horizontally disposed on the inner wall of incorporating section 400 there are two fixed link, sliding rail 521 is fixed on the outer end of two fixed links,
There are two sliding blocks 522, and two sliding blocks 522 are separately positioned on the both ends of sliding rail 521, the outsides of two sliding blocks 522 respectively with two
The output end of second electric pushrod 523 connects, and the fixing end of two the second electric pushrods 523 is respectively symmetrically fixed on two fixations
On bar, the inside of two sliding blocks 522 is respectively arranged with supporting rod 524.
Supporting rod 524 can have different shapes, as long as can clamp gas sensor 100.In the present embodiment,
The shape of supporting rod 524 is illustrated in figure 5 a hook solid, and the shape of bending part is semicircle, and two supporting rods 524 are closed to one
A circular space is just constituted when rising, the flammable gas alarm in the present embodiment is clamped.
Concrete operations are：The movement of two the second electric pushrods 523 is controlled by controller, and then can drive two cunnings
Block 522 is close or separation finally realizes the clamping and release to gas sensor 100 to drive two supporting rods 524 to open and close
Function, finally further according to needing to implement corresponding descending operation to gas sensor 100 by lifting assembly.
In the present embodiment, gas warning system includes gas alarm component and lifting assembly, wherein gas alarm component packet
It includes for detecting the gas sensor of gas concentration and the alarm control for passing through cable connection with gas sensor in space to be measured
Device processed；Lifting assembly includes the first suspension pulley, hanging rope and manual setter, and the first suspension pulley is fixed on space to be measured
Top, the first end for hanging rope are connect with gas sensor, hang rope second end pass through first suspension pulley after with hand
Shake device connection；Manual setter is arranged on the wall in space to be measured, for applying pulling force to hanging rope under manpower driving,
So that gas sensor rises to the top area in space to be measured under the drive of hanging rope.Gas alarm component is rising in this way
It comes down to a lower group under the action of part, up-down mode is changed by fixed form, not only met the requirement of detection fuel gas, but also solve existing
Have and safeguard inconvenient problem under fixed installation mode, improves work efficiency, the gas warning system is simple in structure, operation side
Just, installation is simple.Meanwhile the amplitude of gas alarm swing is limited by limit assembly, improve safety.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as instruction or
It implies relative importance or implicitly indicates the quantity of indicated technical characteristic.The spy of " first ", " second " is defined as a result,
Sign can explicitly or implicitly include one or more this feature.In the description of the present invention, unless otherwise saying
Bright, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of gas warning system, which is characterized in that including gas alarm component and lifting assembly；
The gas alarm component include for detect in space to be measured the gas sensor of gas concentration and with the gas
The alarm controller that sensor passes through cable connection；
The lifting assembly includes the first suspension pulley, hanging rope and manual setter, and the first suspension pulley is fixed on institute
The top in space to be measured is stated, the first end of the hanging rope is connect with the gas sensor, and the second of the hanging rope
End is connect after the first suspension pulley with the manual setter；The wall in the space to be measured is arranged in the manual setter
On wall, for applying pulling force to the hanging rope under manpower driving, so that the gas sensor is in the hanging rope
Drive under rise to the top area in the space to be measured.
2. gas warning system according to claim 1, which is characterized in that the cable has fixed section and mobile section,
The fixed section is fixed on the top of space to be measured, the mobile section be connected to the fixed section and the gas sensor it
Between and with the hanging rope be arranged side by side, and the mobile section can with it is described hanging rope movement and bend.
3. gas warning system according to claim 2, which is characterized in that further include multiple spaced connectors,
The first end of each connector is connect with the mobile section, second end and it is described hang rope with the mobile section side by side
The part of setting connects.
4. gas warning system according to claim 3, which is characterized in that the first end of the connector and the movement
Section is fixedly connected, the second end of the connector and the hanging rope slidable connection.
5. gas warning system according to claim 4, which is characterized in that closest to the company of the gas sensor
The second end of fitting is fixedly connected with the hanging rope.
6. according to claim 1-3 any one of them gas warning systems, which is characterized in that the lifting assembly further includes
Two suspension pulleys, the second suspension pulley is fixed on the top in the space to be measured, and the second suspension pulley is located at institute
State the surface of manual setter, the second end of the hanging rope sequentially passes through the first suspension pulley and described second outstanding
It is connect with the manual setter after hanging pulley.
7. gas warning system according to claim 6, which is characterized in that the second suspension pulley and described first hangs
It hangs pulley and is located at sustained height.
8. according to claim 1-3 any one of them gas warning systems, which is characterized in that the manual setter includes handwheel
And rotation axis, the rotation axis is horizontally disposed, for winding the hanging rope, the handwheel and the rotation axis in rotation
Connection, to drive the rotation axis to rotate.
9. according to claim 1-3 any one of them gas warning systems, which is characterized in that the probe of the gas sensor
Direction is straight down.
10. according to claim 1-3 any one of them gas warning systems, which is characterized in that further include that setting is waited for described
The limit assembly of top of space is surveyed, the limit assembly has limiting section, and it is empty that the limiting section forms limit in the horizontal direction
Between, the limit space when the gas sensor rises to the top area in the space to be measured for fixing the gas
Sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820470472.7U CN208077377U (en) | 2018-04-04 | 2018-04-04 | Gas alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820470472.7U CN208077377U (en) | 2018-04-04 | 2018-04-04 | Gas alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208077377U true CN208077377U (en) | 2018-11-09 |
Family
ID=64043472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820470472.7U Active CN208077377U (en) | 2018-04-04 | 2018-04-04 | Gas alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208077377U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113803612A (en) * | 2021-08-14 | 2021-12-17 | 上海青舟燃气设备有限公司 | Mounting method and mounting structure of gas alarm sensor |
| CN114063429A (en) * | 2022-01-05 | 2022-02-18 | 湖南盛世威得科技有限公司 | Watch with gas detection function |
-
2018
- 2018-04-04 CN CN201820470472.7U patent/CN208077377U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113803612A (en) * | 2021-08-14 | 2021-12-17 | 上海青舟燃气设备有限公司 | Mounting method and mounting structure of gas alarm sensor |
| CN114063429A (en) * | 2022-01-05 | 2022-02-18 | 湖南盛世威得科技有限公司 | Watch with gas detection function |
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