CN208420848U - A kind of gas detector of anti-electromagnetic interference - Google Patents
A kind of gas detector of anti-electromagnetic interference Download PDFInfo
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- CN208420848U CN208420848U CN201820900935.9U CN201820900935U CN208420848U CN 208420848 U CN208420848 U CN 208420848U CN 201820900935 U CN201820900935 U CN 201820900935U CN 208420848 U CN208420848 U CN 208420848U
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Abstract
The utility model discloses a kind of gas detectors of anti-electromagnetic interference, including main body frame, the outer right wall of the main body frame offers rotation slot and power supply string holes, rotation fixed block is installed in the rotation slot, spring retainer bushing is installed in the power supply string holes, the upper outer wall of the main body frame is equipped with control switch, the equipment is provided with shielding frame and rotation shield door, filter is additionally provided with inside equipment simultaneously, when equipment can close rotation shield door when not in use, so that equipment will not easily by extraneous electromagnetic wave interference, when rotating shield door opening, external interference electromagnetic wave can be by filters filter, so that equipment can be with normal received signal, it, which occurs, for situations such as equipment will not being caused to restart easily there is Electromagnetic Interference in the external world will not make the normal use of equipment be affected, user without The operation that repair and maintenance is often carried out to it is needed, time saving and energy saving the practicality easy to operate is stronger.
Description
Technical field
The utility model belongs to gas detection devices technical field, and in particular to a kind of detection of gas of anti-electromagnetic interference
Device.
Background technique
Gas detector is a kind of instrument of detection gas concentration.The instrument is suitable for there are flammable or toxic gas danger
Dangerous place can continuously detect the content being tested within gas burst lower limit in air for a long time.It can be widely applied to combustion gas, petroleum
Work, metallurgy, steel, coking, electric power etc. are the reasons for guaranteeing property and personal safety there are flammable or toxic gas various industries
Think monitoring instrument, the type of gas detector is more, wherein relatively conventional is wireless gas detector.
The gas detector common currently on the market is generally faced with the meeting when people are using wireless gas detector
Situations such as wireless signal is issued to user, easily equipment is caused to restart once there is signal interference in the external world in routine use hair
It is raw so that the normal use of equipment is affected so that user has to the operation for often carrying out repair and maintenance to it, behaviour
It is not strong to make the time-consuming and laborious the practicality of very complicated；And most of equipment are needed during installation by a large amount of auxiliary tool ability
It realizes, cumbersome complexity is time-consuming and laborious, and the volume for the equipment having is different, and operating process when fixing will be more
Very complicated, the practicality be not strong；And the volume of most of equipment is larger, it is more difficult when carrying, and it once drops ground
Face just breaks equipment inner body, so that the service life of equipment reduces, user is caused to have to spend largely
Time and fund are replaced, and economic benefit is lower not very practical.
Utility model content
The purpose of this utility model is to provide a kind of gas detectors of anti-electromagnetic interference, to solve above-mentioned background technique
Middle proposition when people use wireless gas detector when, wireless signal can be issued to user, once in routine use
The external world has situations such as signal interference just easily causes equipment to restart to occur so that the normal use of equipment is affected, so that using
Person has to the operation that repair and maintenance is often carried out to it, and cumbersome time-consuming and laborious the practicality of complexity is not strong；And mostly
Number equipment needs just to be able to achieve by a large amount of auxiliary tool during installation, and cumbersome complexity is time-consuming and laborious, and some is set
Standby volume is different, fix when operating process will more very complicated, the practicality it is not strong；And most of equipment
Volume is larger, more difficult when carrying, and it breaks equipment inner body once dropping ground, so that equipment
Service life reduce, cause user to have to take a significant amount of time and replace with fund, the lower practicability of economic benefit is not
Strong problem.
To achieve the above object, the utility model provides the following technical solutions: a kind of gas detector of anti-electromagnetic interference,
Including main body frame, the outer right wall of the main body frame offers rotation slot and power supply string holes, is equipped in the rotation slot
Fixed block is rotated, the rotation fixed block is rotatablely connected by rotation axis and main body frame, is equipped with bullet in the power supply string holes
Spring limiting bush, the upper outer wall of the main body frame are equipped with control switch, offer square hole in front of the control switch,
Loudspeaker is installed in the square hole, transparent fixed handle, installation in the main body frame are installed above the loudspeaker
There is shielding frame, the upper inner wall of the shielding frame is equipped with headlamp, and position-limited rack, institute are equipped with below the headlamp
It states there are two position-limited rack is arranged altogether, and gas detector is installed between two position-limited racks, the lower section peace of the gas detector
Yielding rubber mounting rack, the left side peace of the yielding rubber mounting rack are installed equipped with gas sensor, and in gas detector
Equipped with control centre's circuit board, and signal receiver is installed on the right side of yielding rubber mounting rack, under the signal receiver
Side is equipped with signal projector, and filter is equipped with below the signal projector, is equipped with nothing below the filter
Line network receiver is equipped with glass lens on the left of control centre's circuit board, is equipped with below the position-limited rack point
Partition, the external wall beneath of the demarcation plate are equipped with extractor fan, and rotation shield door, institute are equipped on the left of the main body frame
It states rotation shield door to be made of the first rotation door and the second rotation door, and rotates shield door and main body frame and rotated by rotation axis
Connection, the upper outer wall of the main body frame and rotation axis corresponding position are equipped with rotary electric machine, control centre's circuit
Plate and extractor fan are electrically connected with control switch, the loudspeaker, headlamp, signal receiver, signal projector, filtering
Device, rotary electric machine and wireless network receiver are electrically connected with control centre's circuit board, and the control switch passes through power supply line
It is electrically connected with extraneous power supply.
Preferably, warning lamp is provided in the transparent fixed handle, and the length value of transparent fixed handle is less than side
The length value in hole, the warning lamp and control centre's circuit board are electrically connected.
Preferably, the position-limited rack is made of limit spring, fixed limited block and limit rubber pad, the fixed limited block
Upper outer wall offer limit card slot, and the height number of fixed limited block is less than the height number of main body frame, the limit
Limit rubber pad is installed in the card slot of position.
Preferably, between the lower section inner wall and outer wall of the main body frame there are interlayer, the upper inner wall of the interlayer with
Lower section inner wall offers intensive air hole.
Preferably, the height number of the rotation shield door is equal to the height number of main body frame.
Compared with prior art, the utility model has the beneficial effects that the device structure is scientific and reasonable safe and convenient to use,
And the equipment is provided with shielding frame and rotation shield door, while filter is additionally provided with inside equipment, when equipment does not use
When can close rotation shield door so that the interference that equipment will not easily by extraneous electromagnetic wave, when rotation shield door is opened
When, external interference electromagnetic wave can be by filters filter, so that equipment can be with normal received signal, even if there is Electromagnetic Interference in the external world
It, which occurs, for situations such as equipment will not being caused to restart easily will not make the normal use of equipment be affected, and user is without frequent
The operation of repair and maintenance is carried out to it, time saving and energy saving the practicality easy to operate is stronger；And the equipment also set up it is limited
Position frame, when user is fixedly mounted, can directly be led to by being made of limit spring, fixed limited block and limit rubber pad
Fixed limited block and limit spring engaging are crossed, does not need just to be able to achieve by a large amount of auxiliary tool when installing, is grasped
It is convenient and efficient time saving and energy saving to make, and when the volume of equipment is different, can be fixed by the adjusting of limit spring, and can be with
The fixation degree of fixed limited block is adjusted according to the number of limit rubber pad, if once limit fixed after equipment is normally fixed
Block can not be fixed securely, it can be made to fix by increasing the number of limit rubber pad stronger, easy to operate
It is quick time saving and energy saving；And the equipment is additionally provided with transparent fixed handle, can be used as warning lamp is that user issues warning letter
Number, it also can be used as more convenient when carrying handle carries user；And it is equipped with yielding rubber peace in gas detector
It shelves, so that equipment not will receive biggish impact after dropping, avoids equipment inner body and break, so that equipment uses the longevity
Life reduces, and causes user to have to take a significant amount of time the case where replacing with fund, economic benefit is compared with high practicability
It is relatively strong；And the equipment is additionally provided with spring retainer bushing, and the position of the power supply line of access may make to be fixed, so that it will not with
Meaning is shaken, and avoids that power supply line is impaired to be happened.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the left view partial sectional view of the utility model；
Fig. 3 is the rearview of the utility model；
Fig. 4 is the overhead, partial cut-away view of the utility model；
Fig. 5 is the gas detector main view sectional view of the utility model；
Fig. 6 is the gas detector left view of the utility model；
Fig. 7 is the position-limited rack top view of the utility model.
In figure: 1- main body frame, 2- rotation slot, 3- rotate fixed block, 4- power supply string holes, 5- spring retainer bushing, the side 6-
Hole, 7- loudspeaker, the transparent fixed handle of 8-, 9- shielding frame, 10- headlamp, 11- position-limited rack, 12- gas detector, 13-
Yielding rubber mounting rack, 14- signal receiver, 15- control centre circuit board, 16- signal projector, 17- filter, 18- without
Line network receiver, 19- demarcation plate, 20- extractor fan, 21- second rotate door, 22- rotation shield door, 23- first and rotate
Door, the fixed limited block of 24- rotary electric machine, 25- control switch, 26- gas sensor, 27- rotation axis, 28-.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-7 is please referred to, the utility model provides a kind of technical solution: a kind of gas detector of anti-electromagnetic interference, packet
Main body frame 1 is included, the outer right wall of the main body frame 1 offers rotation slot 2 and power supply string holes 4, is equipped with and turns in rotation slot 2
Dynamic fixed block 3, rotation fixed block 3 are rotatablely connected by rotation axis and main body frame 1, are equipped with spring retainer in power supply string holes 4
Bushing 5, the upper outer wall of main body frame 1 are equipped with control switch 25, and the front of control switch 25 offers square hole 6, in square hole 6
Loudspeaker 7 is installed, the top of loudspeaker 7 is equipped with transparent fixed handle 8, and shielding frame 9 is equipped in main body frame 1, shields
The upper inner wall for covering frame 9 is equipped with headlamp 10, and the lower section of headlamp 10 is equipped with position-limited rack 11, and position-limited rack 11 is provided with altogether
Two, and gas detector 12 is installed between two position-limited racks 11, the lower section of gas detector 12 is equipped with gas sensor
26, and yielding rubber mounting rack 13 is installed in gas detector 12, the left side of yielding rubber mounting rack 13 is equipped in control
Heart circuit board 15, and the right side of yielding rubber mounting rack 13 is equipped with signal receiver 14, the lower section installation of signal receiver 14
There is signal projector 16, the lower section of signal projector 16 is equipped with filter 17, and the lower section of filter 17 is equipped with wireless network
Receiver 18, the left side of control centre's circuit board 15 are equipped with glass lens, and the lower section of position-limited rack 11 is equipped with demarcation plate 19,
The external wall beneath of demarcation plate 19 is equipped with extractor fan 20, and the left side of main body frame 1 is equipped with rotation shield door 22, rotation shielding
Door 22 is made of the first rotation door 23 and the second rotation door 21, and is rotated shield door 22 and passed through 27 turns of rotation axis with main body frame 1
Dynamic connection, the upper outer wall of main body frame 1 and 27 corresponding position of rotation axis are equipped with rotary electric machine 24, control centre's circuit board
15 and extractor fan 20 with control switch 25 be electrically connected, loudspeaker 7, headlamp 10, signal receiver 14, signal projector
16, filter 17, rotary electric machine 24 and wireless network receiver 18 are electrically connected with control centre circuit board 15, the control
Switch 25 is electrically connected by power supply line and extraneous power supply.
In the present embodiment, it is preferred that be provided with warning lamp, and the length number of transparent fixed handle 8 in transparent fixed handle 8
Value is less than the length value of square hole 6, and it is to make gas detector 12 1 that warning lamp and control centre's circuit board 15, which are electrically connected,
After denier detects fuel gas, control centre's circuit board 15 will be passed the signal along to, control centre's circuit board 15 is just later
Warning lamp unlatching can be controlled, so that user observes, and the length value of transparent fixed handle 8 is less than the length number of square hole 6
Value is to make loudspeaker 7 receive information, and after making a sound, the sound issued will not be kept off by transparent fixed handle 8
Firmly, so that sound can not transmit farther out, signal receiver 14 is to can receive outer signals while passing to control centre's circuit
The equipment that plate 15 is analyzed, signal projector 16 is the information that control centre's circuit board 15 is issued can be passed to extraneous system
System, wireless network receiver 18 are known as high-power wireless network interface card, wireless loiter network device.Network interface card connects computer USB interface, automatic to search for
The wireless network of neighbouring large area, realizes wireless networking.The most general standard of WLAN is the series standard that work defines, should
Equipment is by wireless network receiver 18, so that equipment is connect with ambient controller, thus realize the purpose of remote control, without
With being manually operated, its is easy to operate；Gas sensor 26 is that a kind of be converted into the information such as the ingredient of gas, concentration can be with
The device of the information utilized by personnel, instrument and meter, computer etc., its working principle is that detecting tested gas with electrochemical means
Body, gas enter the working electrode of sensor by perforated membrane back side diffusion, are oxidated or reduced in this gas, this electrochemistry is anti-
It should cause the electric current for flowing through outside line.In addition to measurement, also to amplify and carry out other signals processing；Outer route is maintained by passing
The voltage of the voltage of sensor and a two electrode back-reference sensors.An opposite reaction is generated in reverse electrode；Sensor
There are the electrode of two or three He electrolyte contacts, there are four electrodes for even also that.Typical electrode is by high surface area noble metal and porous
Hydrophobic film composition.Electrode and electrolyte and surrounding air contact, and by porous film monitoring.Size of current is existed by research object gas
How many controlled is aoxidized at working electrode.Sensor is by design, and therefore, gas supply is diffusion-limited, and sensor
It is proportional to the linear convergent rate of gas concentration.Linear convergent rate is that electrochemical sensor is more excellent than other technical sensors (i.e. infrared)
One of point；Filter 17 is a kind of device for eliminating jamming incoherent signal, will input or output by filtering obtain it is pure
Direct current.It is exactly filter, function to the circuit that the frequency other than the frequency point of specific frequency or the frequency point is effectively filtered out
It can be exactly to obtain a specific frequency or eliminate a specific frequency, loudspeaker 7 is a kind of electric signal to be changed into acoustical signal
Energy transducer, influence of the performance superiority and inferiority of loudspeaker to sound quality are very big.
In the present embodiment, it is preferred that position-limited rack 11 is made of limit spring, fixed limited block 28 and limit rubber pad, Gu
The upper outer wall of fixing limit block 28 offers limit card slot, and the height number of fixed limited block 28 is less than the height of main body frame 1
Degree value is equipped with limit rubber pad in limit card slot, is to allow user directly to pass through limit in fixed equipment
Spring pushes fixed limited block 28 to can directly block gas detector 12, reaches fixed purpose, operates
It is convenient and efficient time saving and energy saving；And setting limit rubber pad, it is to allow fixed limited block 28 in fixed equipment according to setting
Standby volume size installs number to increase it, and the degree for fixing it is stronger.
In the present embodiment, it is preferred that there are interlayer between the lower section inner wall and outer wall of main body frame 1, in the top of interlayer
Wall and lower section inner wall offer intensive air hole, are that when usually using, extractor fan 20 can be by the external world in order to make equipment
Gas is pumped into the interlayer of equipment, and the air hole passed the gas through again on interlayer later is run from other ducts of equipment and gap
Out, and this allows for the gases such as the combustibility in air and is easily detected by gas sensor 26.
In the present embodiment, it is preferred that rotation shield door 22 height number be equal to main body frame 1 height number be in order to
Allow to rotate shield door 22 and completely seal main body frame 1 to make its better tightness, so that outer signals will not enter easily
Equipment, the equipment are provided with rotary electric machine 24 on two rotation doors.
Working principle: when the utility model is used, user rotates out of rotation fixed block 3 first, is passing through screw later
Main body frame 1 is fixed in equipment, while gas detector 12 being placed between two position-limited racks 11, passes through limit spring
It pushes fixed limited block 28 to can directly block gas detector 12, reaches fixed purpose, it is easy to operate
It is quick time saving and energy saving；And setting limit rubber pad, it is to allow fixed limited block 28 in fixed equipment according to equipment
Volume size installs number to increase it, and the degree for fixing it is stronger, and user can make equipment by power supply line later
Each part powers on, later can normal use, control switch 26 can be directly opened when using, equipment is powered,
Later, wireless network receiver 18 can be with external world's control host by wireless network connection, when equipment can close when not in use
Shield door 22 is rotated, so that the interference that equipment will not easily by extraneous electromagnetic wave, extractor fan 20 can be by the external world at this time
Gas is pumped into the interlayer of equipment, and the air hole passed the gas through again on interlayer later is run from other ducts of equipment and gap
Out, and this allows for the gases such as the combustibility in air and is easily detected by gas sensor 26, once work as gas sensor 26
It detects that the gases such as combustibility exist, can directly pass the signal along to control centre's circuit board 15, later control centre's circuit
Plate 15 can pass the signal along to the warning lamp in loudspeaker 7 and transparent fixed handle 8, so that user knows rapidly, meeting simultaneously
Make to rotate the opening of shield door 22 by rotary electric machine 24, external interference signal can be filtered by filter 17 at this time, so that equipment
Can be with normal received signal, it, which occurs, for situations such as equipment will not being caused to restart easily there is Electromagnetic Interference in the external world to make
The normal use of equipment is affected, and later, signal conversion can be made it be transmitted to signal projector by control centre's circuit board 15
16, signal projector 16 can pass the signal along to extraneous control host later, so that it is made reply reaction, while and doing lower note
Record, after the completion of to be processed later, and when gas sensor 26 is not detected by information, external world's control host can communicate information to letter
Number receiver 14, after signal receiver 14 receives information later, will communicate information to control centre's circuit board 15, make it
Warning lamp in mute speaker 7 and transparent fixed handle 8, while close the revolution of rotary electric machine 24 by rotation shield door 22,
So that external electromagnetic wave will not enter equipment easily, which is additionally provided with spring retainer bushing 5, may make the power supply of access
The position of line is fixed, and so that it will not arbitrarily shake, avoids that power supply line is impaired to be happened.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of gas detector of anti-electromagnetic interference, including main body frame (1), it is characterised in that: the main body frame (1)
Outer right wall offers rotation slot (2) and power supply string holes (4), and rotation fixed block (3) is equipped in the rotation slot (2), described
It rotates fixed block (3) to be rotatablely connected by rotation axis and main body frame (1), spring retainer is installed in the power supply string holes (4)
The upper outer wall of bushing (5), the main body frame (1) is equipped with control switch (25), is opened in front of the control switch (25)
Equipped with square hole (6), it is equipped with loudspeaker (7) in the square hole (6), is equipped with transparent fixed above the loudspeaker (7)
Hand (8), the main body frame (1) is interior to be equipped with shielding frame (9), and the upper inner wall of the shielding frame (9) is equipped with illumination
Lamp (10) is equipped with position-limited rack (11) below the headlamp (10), and the position-limited rack (11) is altogether there are two settings, and two
It is equipped between position-limited rack (11) gas detector (12), gas sensor is installed below the gas detector (12)
(26), it and in gas detector (12) is equipped with yielding rubber mounting rack (13), the left side of the yielding rubber mounting rack (13)
It is equipped with control centre's circuit board (15), and signal receiver (14) is installed on the right side of yielding rubber mounting rack (13), it is described
It is equipped with below signal receiver (14) signal projector (16), filter is installed below the signal projector (16)
(17), it is equipped with wireless network receiver (18) below the filter (17), a left side for control centre's circuit board (15)
Side is equipped with glass lens, is equipped with demarcation plate (19) below the position-limited rack (11), outside the lower section of the demarcation plate (19)
Wall is equipped with extractor fan (20), and rotation shield door (22), the rotation shield door are equipped on the left of the main body frame (1)
(22) it is made of the first rotation door (23) and the second rotation door (21), and rotates shield door (22) and main body frame (1) by turning
Moving axis (27) rotation connection, the upper outer wall of the main body frame (1) and rotation axis (27) corresponding position are equipped with rotation electricity
Machine (24), control centre's circuit board (15) and extractor fan (20) and control switch (25) are electrically connected, the loudspeaker
(7), headlamp (10), signal receiver (14), signal projector (16), filter (17), rotary electric machine (24) and wireless network
Network receiver (18) is electrically connected with control centre's circuit board (15), and the control switch (25) passes through power supply line and external world's electricity
Source is electrically connected.
2. a kind of gas detector of anti-electromagnetic interference according to claim 1, it is characterised in that: described transparent fixed
Warning lamp is provided in hand (8), and the length value of transparent fixed handle (8) is less than the length value of square hole (6), the warning
Lamp and control centre's circuit board (15) are electrically connected.
3. a kind of gas detector of anti-electromagnetic interference according to claim 1, it is characterised in that: the position-limited rack (11)
It is made of limit spring, fixed limited block (28) and limit rubber pad, the upper outer wall of the fixed limited block (28) offers
Limit card slot, and the height number of fixed limited block (28) is less than the height number of main body frame (1), peace in the limit card slot
Equipped with limit rubber pad.
4. a kind of gas detector of anti-electromagnetic interference according to claim 1, it is characterised in that: the main body frame
(1) there are interlayer between lower section inner wall and outer wall, upper inner wall and the lower section inner wall of the interlayer offer intensive saturating
Stomata.
5. a kind of gas detector of anti-electromagnetic interference according to claim 1, it is characterised in that: the rotation shield door
(22) height number is equal to the height number of main body frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820900935.9U CN208420848U (en) | 2018-06-11 | 2018-06-11 | A kind of gas detector of anti-electromagnetic interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820900935.9U CN208420848U (en) | 2018-06-11 | 2018-06-11 | A kind of gas detector of anti-electromagnetic interference |
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| Publication Number | Publication Date |
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| CN208420848U true CN208420848U (en) | 2019-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820900935.9U Active CN208420848U (en) | 2018-06-11 | 2018-06-11 | A kind of gas detector of anti-electromagnetic interference |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487880A (en) * | 2019-09-06 | 2019-11-22 | 贵州润可信息科技有限公司 | A kind of minitype gas detection unit |
-
2018
- 2018-06-11 CN CN201820900935.9U patent/CN208420848U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487880A (en) * | 2019-09-06 | 2019-11-22 | 贵州润可信息科技有限公司 | A kind of minitype gas detection unit |
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