CN209637824U - Magnetic induction type air duct state sensor - Google Patents
Magnetic induction type air duct state sensor Download PDFInfo
- Publication number
- CN209637824U CN209637824U CN201920263891.8U CN201920263891U CN209637824U CN 209637824 U CN209637824 U CN 209637824U CN 201920263891 U CN201920263891 U CN 201920263891U CN 209637824 U CN209637824 U CN 209637824U
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- CN
- China
- Prior art keywords
- wind deflector
- air duct
- magnetic induction
- axle sleeve
- sensor
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- 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.)
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Abstract
The utility model magnetic induction type air duct state sensor discloses a kind of distance that the folding by the first wind deflector and the second wind deflector changes between magnetic induction sensor and permanent magnet, and then the magnetic induction air duct state sensor to air duct working state monitoring is realized by the detection to magnetic field signal.Using non-touching formula magnetic induction measurement air duct, it is more accurate to detect.It is characterized in that axle sleeve is placed in the top of the first wind deflector, rotation axis is placed in the top of the second wind deflector, the axle sleeve is placed in rotation axis, second wind deflector is rotatably connected by rotation axis and the first wind deflector, first wind deflector is made of two identical curved pipes and a cross bar, second wind deflector is made of two identical curved pipes and a cross bar, two curved pipe bottom ends are connected by cross bar, air duct placed cavity is formed between first wind deflector and the second wind deflector, magnet fixation is placed on first gear aerofoil, and the side of the magnet fixed frame is connected with axle sleeve outer wall.
Description
Technical field
The utility model magnetic induction type air duct state sensor is related to one kind in coal mine driving, to driving face air duct
Working condition carries out the magnetic induction Wind tunnel sensor of non-touching formula monitoring, belongs to coal mine equipment field.In particular to one kind passes through
The folding of first wind deflector and the second wind deflector changes the distance between magnetic induction sensor and permanent magnet, and then by believing magnetic field
Number detection realize to the magnetic induction air duct state sensor of air duct working state monitoring.
Background technique
Air duct state sensor is the monitoring arrangement of underground coal mine driving face air duct working condition, it is to utilize dry spring
Tube assembly is connected with a set of installed body, and is suspended on air duct, and with the bulging and recess of air duct, holder arms are opened
It opens or draws close, to drive reed switch contact to be opened or closed, keep communicating circuit normally opened or be connected, monitoring air duct work is reached with this
The purpose of the state of work, but since subsurface environment is complex, the spring in contact gets rusty easily, and often will appear contact
Not firm phenomenon is contacted, the time of day that cannot promptly and accurately reflect underground air duct is caused.
Notification number CN202788907U discloses a kind of magnetic induction Wind tunnel sensor comprising link block and is articulated in described
The first wind deflector and the second wind deflector on link block, wherein be connected between the link block and first wind deflector dry
Reed pipe is connected with permanent magnet between the link block and second wind deflector；The one of one end of the tongue tube and permanent magnet
End abuts, and one end of the tongue tube also passes through prior-warning device and be electrically connected with the other end of the tongue tube, the sensor its be
Touch type Wind tunnel sensor, rotating bracket are easy to be influenced to get rusty by subsurface environment and influence touching for magnet and tongue tube, shadow
Ring the reflection to air duct truth.
Summary of the invention
In order to improve above situation, the utility model magnetic induction type air duct state sensor provides one kind and keeps out the wind by first
The folding of plate and the second wind deflector changes the distance between magnetic induction sensor and permanent magnet, and then passes through the detection to magnetic field signal
Realize the magnetic induction air duct state sensor to air duct working state monitoring.Using non-touching formula magnetic induction measurement air duct, detection
It is more accurate.
The utility model magnetic induction type air duct state sensor is achieved in that the utility model magnetic induction type air duct state passes
Sensor by the first wind deflector, magnet fixed frame, hanging ring, axle sleeve, fixed lock ring, fixing rack for sensor, conducting wire, the second wind deflector,
Cushion, spring, counterweight ring, elastic band, magnetic induction sensor, lock ring fixing seat, permanent magnet, screw and rotation axis composition, axis
It is placed on the top of the first wind deflector, rotation axis is placed in the top of the second wind deflector, and the axle sleeve is placed in rotation axis, described
Second wind deflector is rotatably connected by rotation axis and the first wind deflector, first wind deflector by two identical curved pipes and
One cross bar composition, second wind deflector are made of two identical curved pipes and a cross bar, two curved pipe bottoms
End is connected by cross bar, and air duct placed cavity is formed between first wind deflector and the second wind deflector, and magnet fixation is placed on
On first wind deflector, and the side of the magnet fixed frame is connected with axle sleeve outer wall, and permanent magnet is placed on magnet fixed frame, passes
Sensor fixation is placed on second gear aerofoil, and close to the apical position of the second wind deflector, two lock ring fixing seats are placed in sensing
On device fixed frame, magnetic induction sensor is placed between two lock ring fixing seats, and fixed lock ring is placed on magnetic induction sensor, described
The both ends of fixed lock ring pass through screw respectively and two lock ring fixing seats are connected, and transmission letter is equipped on the magnetic induction sensor
Number conducting wire, one end of elastic band is placed on the bottom end of the first wind deflector, and the other end of elastic band is placed on the second wind deflector
Bottom end on, first wind deflector bottom end is nested with there are two counterweight ring, and is located at the two sides of elastic band, second wind deflector
Bottom end is nested with there are two counterweight ring, and is located at the two sides of elastic band, on two arc tube walls of first wind deflector respectively
Multiple cushions are equipped with, are equipped with multiple cushions, the cushion respectively on two arc tube walls of second wind deflector
It is connected by spring with curved pipe, the cushion is located in air duct placed cavity, and hanging ring is placed on axle sleeve, and the hanging ring position
In axle sleeve middle position, the hanging ring and axle sleeve are integrally formed, and the fixed lock ring inner wall is equipped with friction pad.
Beneficial effect.
One, using non-touching formula magnetic induction measurement air duct, it is more accurate to detect.
Two, cushion can buffer the vibration of air duct, avoid error detection.
Four, it can be recycled when rotation axis is got rusty by elastic band, avoid judging by accident.
Detailed description of the invention
Fig. 1 is the three-dimensional structure diagram of the utility model magnetic induction type air duct state sensor；
Fig. 2 is the stereo-resolution figure of the utility model magnetic induction type air duct state sensor, only shows second and keeps out the wind
Structure on plate；
Fig. 3 is the structural schematic diagram of the utility model magnetic induction type air duct state sensor, is only shown when not working
State；
Fig. 4 is the structural schematic diagram of the utility model magnetic induction type air duct state sensor, when only showing work
State；
In attached drawing
Wherein are as follows: the first wind deflector (1), magnet fixed frame (2), hanging ring (3), axle sleeve (4), fixed lock ring (5), sensor
Fixed frame (6), conducting wire (7), the second wind deflector (8), cushion (9), spring (10), counterweight ring (11), elastic band (12), magnetic strength
Inductive sensing device (13), lock ring fixing seat (14), permanent magnet (15), screw (16), rotation axis (17).
Specific embodiment:
The utility model magnetic induction type air duct state sensor is achieved in that by the first wind deflector (1), magnet fixed frame
(2), hanging ring (3), axle sleeve (4), fixed lock ring (5), fixing rack for sensor (6), conducting wire (7), the second wind deflector (8), cushion
(9), spring (10), counterweight ring (11), elastic band (12), magnetic induction sensor (13), lock ring fixing seat (14), permanent magnet
(15), screw (16) and rotation axis (17) composition, axle sleeve (4) are placed in the top of the first wind deflector (1), and rotation axis (17) is placed in the
The top of two wind deflectors (8), the axle sleeve (4) are placed on rotation axis (17), and second wind deflector (8) passes through rotation axis
(17) it is rotatably connected with the first wind deflector (1), first wind deflector (1) is by two identical curved pipes and a cross bar group
At second wind deflector (8) is made of two identical curved pipes and a cross bar, and two curved pipe bottom ends pass through cross
Bar is connected, and air duct placed cavity is formed between first wind deflector (1) and the second wind deflector (8), and magnet fixed frame (2) is placed in
On first wind deflector (1), and the side of the magnet fixed frame (2) is connected with axle sleeve (4) outer wall, and permanent magnet (15) is placed in magnetic
On ferropexy frame (2), fixing rack for sensor (6) is placed on the second wind deflector (8), and close to the top of the second wind deflector (8) position
It sets, two lock ring fixing seats (14) are placed on fixing rack for sensor (6), and magnetic induction sensor (13) is placed in two lock ring fixing seats
(14) between, fixed lock ring (5) are placed on magnetic induction sensor (13), and the both ends of the fixed lock ring (5) pass through screw respectively
(16) it is connected with two lock ring fixing seats (14), the conducting wire (7) of transmission signal, pine is equipped on the magnetic induction sensor (13)
One end of taut band (12) is placed on the bottom end of the first wind deflector (1), and the other end of elastic band (12) is placed on the second wind deflector
(8) on bottom end, the first wind deflector (1) bottom end is nested with there are two counterweight ring (11), and is located at the two sides of elastic band (12),
Second wind deflector (8) bottom end is nested with there are two counterweight ring (11), and is located at the two sides of elastic band (12), and described first keeps out the wind
It is equipped with respectively multiple cushions (9) on two arc tube walls of plate (1), two curved pipe pipes of second wind deflector (8)
It is equipped with respectively on wall multiple cushions (9), the cushion (9) is connected by spring (10) with curved pipe, the cushion
(9) it is located in air duct placed cavity, hanging ring (3) is placed on axle sleeve (4), and the hanging ring (3) is located at axle sleeve (4) middle position, institute
It states hanging ring (3) and axle sleeve (4) is integrally formed, fixed lock ring (5) inner wall is equipped with friction pad.
The utility model is placed on air duct in use, being operated first personnel, air duct is located in air duct placed cavity, air duct
Outer wall and cushion (9) are in contact, and magnetic induction sensor (13) is connected by conducting wire (7) with external monitoring devices, air duct
When not working, the first wind deflector (1) and the second wind deflector (8) remain static, the permanent magnet on the first wind deflector (1)
(15) certain distance, magnetic induction sensor (13) impression are kept between the magnetic induction sensor (13) and on the second wind deflector (8)
Less than the magnetic field of permanent magnet (15), when air duct, which works, to be expanded, the first wind deflector (1) and the second wind deflector (8) follow air duct swollen
It is swollen and rotate expansion outward around shaft, permanent magnet (15) and magnetic induction sensor (13) also with rotation, permanent magnet (15) and
The distance of magnetic induction sensor (13) becomes smaller, and the magnetic field that permanent magnet (15) issues is captured by magnetic induction sensor (13), and is passed through
Conducting wire (7) passes the signal along on external monitoring devices, and then passes through the non-touching formula magnetic field detection of magnetic induction sensor (13)
The working condition of air duct is monitored；
When rotation axis (17) through moisture get rusty by bad border, air duct does not work, the first wind deflector (1) and the second wind deflector
(8) when needing to recycle, the first wind deflector (1) and the second wind deflector (8) are able to carry out recycling under the drive of elastic band (12), into
And avoid blocking, guarantee the accuracy of detection；
The design of the cushion (9), can be buffered when air duct is shaken, and avoid influencing the first wind deflector
(1) and the second wind deflector (8)；
The design of the counterweight ring (11) can increase bottom heaviness, reduce vibration of the whole device by underground blasting
It influences, avoids generating error detection；
Fixed lock ring (5) inner wall is equipped with the design of friction pad, prevents from leading using magnetic induction sensor (13) for a long time
Cause slight loosen；
Reach and magnetic induction sensor (13) and permanent magnetism are changed by the folding of the first wind deflector (1) and the second wind deflector (8)
Distance between iron (15), and then by the detection realization to magnetic field signal to the purpose of air duct working state monitoring.
Above-described embodiment is the preferred embodiment of the utility model, is not intended to limit the utility model the range of implementation.
Any those skilled in the art improve in the invention scope for not departing from the utility model when can make a little, i.e., all
It is the same improvement done according to the utility model, should be the scope of the utility model and covered.
It should also be noted that, unless otherwise clearly defined and limited, term " being placed in ", " connected ", " connects " installation "
Connect " it shall be understood in a broad sense, for example, it may be flanging connection, rivet interlacement, pin connection, bonding connection and welded connecting etc. are solid
Determine connection type, be also possible to be threadedly coupled, snap connection and detachable connection methods or the integrally connected such as connect with hinge,
It is also possible to be electrically connected, or is connected directly, the company inside two elements can also be can be indirectly connected through an intermediary
It is logical.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood with concrete condition
Meaning.
Claims (5)
1. a kind of magnetic induction type air duct state sensor, it is characterized in that: by the first wind deflector, magnet fixed frame, hanging ring, axle sleeve, consolidating
Determine lock ring, fixing rack for sensor, conducting wire, the second wind deflector, cushion, spring, counterweight ring, elastic band, magnetic induction sensor, tight
It binds round fixing seat, permanent magnet, screw and rotation axis composition, axle sleeve and is placed in the top of the first wind deflector, rotation axis is placed in second and keeps out the wind
The top of plate, the axle sleeve are placed in rotation axis, and first wind deflector is by two identical curved pipes and a cross bar group
At second wind deflector is made of two identical curved pipes and a cross bar, and two curved pipe bottom ends pass through cross bar
It is connected, forms air duct placed cavity between first wind deflector and the second wind deflector, magnet fixation is placed on first gear aerofoil
On, and the side of the magnet fixed frame is connected with axle sleeve outer wall, permanent magnet is placed on magnet fixed frame, fixing rack for sensor
It is placed on the second wind deflector, and close to the apical position of the second wind deflector, two lock ring fixing seats are placed on fixing rack for sensor,
Magnetic induction sensor is placed between two lock ring fixing seats, and fixed lock ring is placed on magnetic induction sensor, the fixed lock ring
Both ends pass through screw respectively and two lock ring fixing seats are connected, and the conducting wire of transmission signal is equipped on the magnetic induction sensor,
One end of elastic band is placed on the bottom end of the first wind deflector, and the other end of elastic band is placed on the bottom end of the second wind deflector,
Multiple cushions, two curved pipes of second wind deflector are equipped on two arc tube walls of first wind deflector respectively
Multiple cushions are equipped on tube wall respectively, the cushion is connected by spring with curved pipe, and the cushion is located at air duct
In placed cavity, hanging ring is placed on axle sleeve, and the hanging ring is located at axle sleeve middle position.
2. a kind of magnetic induction type air duct state sensor according to claim 1, it is characterised in that first wind deflector bottom
End cap is set there are two counterweight ring, and is located at the two sides of elastic band.
3. a kind of magnetic induction type air duct state sensor according to claim 1, it is characterised in that second wind deflector bottom
End cap is set there are two counterweight ring, and is located at the two sides of elastic band.
4. a kind of magnetic induction type air duct state sensor according to claim 1, it is characterised in that the hanging ring and axle sleeve one
It is body formed.
5. a kind of magnetic induction type air duct state sensor according to claim 1, it is characterised in that the fixed lock ring inner wall
It is equipped with friction pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920263891.8U CN209637824U (en) | 2019-03-02 | 2019-03-02 | Magnetic induction type air duct state sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920263891.8U CN209637824U (en) | 2019-03-02 | 2019-03-02 | Magnetic induction type air duct state sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209637824U true CN209637824U (en) | 2019-11-15 |
Family
ID=68495002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920263891.8U Expired - Fee Related CN209637824U (en) | 2019-03-02 | 2019-03-02 | Magnetic induction type air duct state sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209637824U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909586A (en) * | 2022-04-11 | 2022-08-16 | 临沂矿业集团菏泽煤电有限公司彭庄煤矿 | Bracket for air quantity start-stop sensor of air duct |
-
2019
- 2019-03-02 CN CN201920263891.8U patent/CN209637824U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909586A (en) * | 2022-04-11 | 2022-08-16 | 临沂矿业集团菏泽煤电有限公司彭庄煤矿 | Bracket for air quantity start-stop sensor of air duct |
| CN114909586B (en) * | 2022-04-11 | 2024-03-19 | 临沂矿业集团菏泽煤电有限公司彭庄煤矿 | Air volume start-stop sensor bracket for air duct |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191115 |