CN214253399U - Airflow safety measurement and alarm device - Google Patents
Airflow safety measurement and alarm device Download PDFInfo
- Publication number
- CN214253399U CN214253399U CN202120281055.XU CN202120281055U CN214253399U CN 214253399 U CN214253399 U CN 214253399U CN 202120281055 U CN202120281055 U CN 202120281055U CN 214253399 U CN214253399 U CN 214253399U
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- magnet
- coil
- airflow
- shell
- elastic body
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- 238000005259 measurement Methods 0.000 title claims description 13
- 230000005291 magnetic effect Effects 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 230000005611 electricity Effects 0.000 claims abstract description 6
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 19
- 229920001971 elastomer Polymers 0.000 description 7
- 239000000806 elastomer Substances 0.000 description 7
- 230000004907 flux Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
- Measuring Volume Flow (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The utility model provides an airflow safety measuring and alarming device, which comprises a shell, wherein the end surfaces of the two ends of the shell are both provided with openings, the inside of the shell is provided with a magnet, magnetic liquid is attached to the magnet, and the two ends of the magnet are respectively connected with a first elastic body and a second elastic body; the casing includes middle pipeline section, and the both ends of middle pipeline section can be dismantled respectively and be connected with first adapting unit and second adapting unit, twines on the lateral wall of first adapting unit and is equipped with first coil, twines on the lateral wall of second adapting unit and is equipped with the second coil, and the both ends of first coil are connected with first alarm device electricity respectively, and the both ends of second coil are connected with second alarm device electricity respectively. The utility model discloses a casing is detachable design, is convenient for accomodate when not using and carries, and the device's simple structure, and is with low costs, also possesses the alarm capability in the time limit under the air current is less than the safety range, is applicable to the operation requirement in workshop more.
Description
Technical Field
The utility model relates to an air current measuring device technical field especially indicates an air current safety measurement and alarm device.
Background
The gas flow measuring device developed based on the magnetic liquid has the advantages of simple structure, low cost and strong induction signal, and has wide application prospects in the fields of machinery, aerospace, gas pipeline leakage detection and the like.
However, the existing gas flow measuring device based on magnetic liquid has the following defects:
(1) when the required range is large, except for means such as increasing the elastic coefficient of the spring, the length of the non-magnetic conducting tube has to be increased to achieve the purpose of enlarging the range, so that the problems of length increase, volume increase, inconvenience in carrying and the like of the device are caused.
(2) When only the safety range is required to be measured instead of specific numerical values, the problems of resource waste and overhigh cost exist. For example, some production workshops only need to guarantee the safety range of the airflow, and specific data do not need to be measured in the safety range, so that the cost of the wire dividing ring and the measuring device in the middle of the existing device is wasted.
(3) The alarm capability is insufficient when the airflow exceeds the safety range. For example, proper airflow ventilation in a production plant is a necessary condition for ensuring the health of workers, while existing magnetic liquid flow sensors have alarm capabilities only when the airflow exceeds the upper limit of the safety range and have no alarm capabilities when the airflow is below the lower limit of the safety range.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an air current safety measurement and alarm device is with high costs in order to solve current gas flow measuring device, and is bulky, carries inconveniently to and do not have the problem of alarm capacity when the air current is less than the safety range lower limit.
In order to solve the technical problem, the utility model provides a following technical scheme:
an airflow safety measuring and alarming device comprises a shell, wherein openings are formed in end faces of two ends of the shell, a magnet is arranged inside the shell, magnetic liquid is attached to the magnet, two ends of the magnet are respectively connected with a first elastic body and a second elastic body, and the first elastic body and the second elastic body are respectively connected with an inner end face of the shell; the casing includes middle pipeline section, the both ends of middle pipeline section can be dismantled respectively and be connected with first adapting unit and second adapting unit, twine on the lateral wall of first adapting unit and be equipped with first coil, twine on the lateral wall of second adapting unit and be equipped with the second coil, the both ends of first coil are connected with first alarm device's input electricity respectively, the both ends of second coil are connected with second alarm device's input electricity respectively.
Wherein the first and second connection members are respectively threadedly coupled with the intermediate pipe sections.
The middle pipe section comprises a first detachable portion and a second detachable portion which are buckled with each other, and the cross section of the middle pipe section is circular after the first detachable portion and the second detachable portion are buckled with each other.
Wherein the first and second detachable portions are detachably connected.
Wherein a gasket is disposed between the first removable portion and the second removable portion.
The magnet is of a columnar structure, the magnetic liquid is attached to two pole ends of the magnet, and the axis of the magnet is parallel to the axis of the shell.
The airflow safety measuring and alarming device further comprises an adjusting piece, and the radial size of the adjusting piece is smaller than the size of the opening in the end face of the shell.
The adjusting part comprises a rod part, a bent part is arranged at the end part of the rod part, and the bent part is perpendicular to the rod part.
The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:
in the above scheme, airflow safety measurement and alarm device's casing is detachable design, is convenient for accomodate when not using and carries, and the device's simple structure, and is with low costs, also possesses the alarm capability when the airflow is less than the safety range lower limit, is applicable to the operation requirement in workshop more.
Drawings
FIG. 1 is a schematic view of the air flow safety measuring and alarming device of the present invention in an operating state;
FIG. 2 is a schematic view of the airflow safety measuring and alarming device of the present invention in a storage state;
FIG. 3 is a side view of the airflow safety measuring and alarming device of the present invention in a storage state;
FIG. 4 is a schematic view of the middle pipe section of the airflow safety measuring and alarming device of the present invention;
fig. 5 is a side view of the middle pipe section of the airflow safety measuring and alarming device of the present invention.
[ description of reference numerals ]
1. A gas inlet; 2. a first connecting member; 3. a first elastic body; 4. a magnet;
5. a magnetic liquid; 6. a second elastomer; 7. a first detachable portion; 8. a second connecting member;
9. a gas outlet; 10. a second detachable portion; 11. a first coil; 12. a second coil;
13. a first alarm device; 14. a second alarm device; 15. an adjusting member.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-5, an embodiment of the utility model provides an air current safety measurement and alarm device, include the casing that is formed by the preparation of non-magnetic material, all be equipped with the opening on the terminal surface at casing both ends, the inside of casing is equipped with magnet 4, magnetic liquid 5 has been adhered to on magnet 4, the both ends of magnet 4 are connected with first elastomer 3 and second elastomer 6 respectively, first elastomer 3 with second elastomer 6 respectively with the interior terminal surface of casing links to each other, first elastomer 3 with second elastomer 6 is elastic element, for example, the spring.
As shown in fig. 1, the housing includes a middle pipe section, two ends of the middle pipe section are detachably connected with a first connection part 2 and a second connection part 8 respectively, a first coil 11 is wound on an outer side wall of the first connection part 2, a second coil 12 is wound on an outer side wall of the second connection part 8, two ends of the first coil 11 are electrically connected with an input end of a first alarm device 13 respectively, and two ends of the second coil 12 are electrically connected with an input end of a second alarm device 14 respectively.
In a specific embodiment of the present invention, the first connecting part 2 and the second connecting part 8 are respectively screwed with the middle pipe section.
As shown in fig. 1, a gas inlet 1 is formed in an end face of one end of the first connecting part 2, an internal thread is formed in the other end of the first connecting part, a gas outlet 9 is formed in an end face of one end of the second connecting part 8, and an internal thread is formed in the other end of the second connecting part; and the two ends of the middle pipe section are provided with external threads matched with the internal threads of the first connecting part 2 and the second connecting part 8 respectively.
As shown in fig. 2 and 3, the middle pipe section includes a first detachable portion 7 and a second detachable portion 10 that are fastened together, the first detachable portion 7 and the second detachable portion 10 are both semicircular arcs in cross section, and the first detachable portion 7 and the second detachable portion 10 are fastened together to form the middle pipe section with a circular cross section.
In a specific embodiment of the present invention, the first detachable portion 7 and the second detachable portion 10 are detachably connected, and specifically can be a joint, for example, a clamping groove is provided on the first detachable portion 7, a protrusion adapted to the clamping groove is provided on the second detachable portion 10, and a sealing pad is provided between the first detachable portion 7 and the second detachable portion 10.
As shown in fig. 1, the magnet 4 has a cylindrical structure, two ends of the magnet are respectively an N pole and an S pole, and an axis of the magnet 4 is parallel to an axis of the housing. The magnetic liquid 5 is attached to two pole ends of the magnet 4, and can be used as a magnetic core together with the magnet 4 to enhance an induction signal on one hand, and can play a role in lubrication between the magnet 4 and the shell on the other hand.
Specifically, the magnet 4 is made of magnetic materials such as ru fe boron, and the magnetic liquid 5 is prepared from a base carrier liquid with high saturation magnetization, low viscosity and good lubricating effect and ferromagnetic particles coated with a surfactant, such as kerosene-based magnetic liquid and water-based magnetic liquid.
As shown in fig. 1 and 2, one end of the first elastic body 3 is connected to an inner end surface of the first connection member 2, and the other end is connected to one end of the magnet 4; one end of the second elastic body 6 is connected with the inner wall of the second connecting part 8 close to the gas outlet, and the other end is connected with one end of the magnet 4.
The utility model discloses an in the concrete embodiment, airflow safety measurement and alarm device still includes regulating part 15, regulating part 15's radial dimension is less than the opening size on the housing end face to can get into inside the casing. Specifically, the adjusting member 15 includes a rod portion, a bending portion is disposed at an end of the rod portion, and the bending portion is perpendicular to the rod portion.
When the magnet 4 and the magnetic liquid 5 are displaced, the lengths of the first elastic body 3 and the second elastic body 6 are changed accordingly. The adjusting member 15 can adjust the lengths of the first elastic body 3 and the second elastic body 6, thereby achieving the purpose of adjusting the positions of the magnet 4 and the magnetic liquid 5.
The first coil 11 with the second coil 12 is formed by winding copper enameled wires, and the outer peripheral sides of the first coil 11 and the second coil 12 are sprayed with insulating layers.
In this embodiment, the first alarm device 13 includes a trigger, a relay, and an alarm; the two ends of the first coil 11 are electrically connected with the input end of the trigger, the output end of the trigger is electrically connected with the input end of the relay, and the output end of the relay is electrically connected with the input end of the alarm. The second alarm device 14 is identical in structure to the first alarm device 13.
The utility model provides an air current safety measurement and alarm device's installation and working process as follows:
when the device is used, the first detachable part 7 and the second detachable part 10 are clamped to obtain a middle pipe section shown in fig. 4, and then both ends of the middle pipe section are respectively screwed with the first connecting part 2 and the second connecting part 8 to obtain the airflow safety measuring and alarming device shown in fig. 1.
In an initial state, both ends of the device are communicated with the atmosphere, the magnet 4 is in a balanced state, and the balanced state position of the magnet 4 is set in the first connecting member 2 by setting the dimensions and the elastic coefficients of the first elastic body 3 and the second elastic body 6. During operation, the position of the magnet 4 is adjusted into the middle pipe section through the adjusting piece 15, and then the gas to be detected is introduced into the gas inlet 1.
When the gas flow is very small and cannot meet the gas flow safety range of the work requirement, the magnet 4 is unbalanced in stress and displaced, and can slide into the first connecting part 2 from the middle pipe section, and at the moment, the magnetic flux in the first coil 11 is changed, so that induced current is generated, and the first alarm device 13 is driven to alarm.
When the gas flow is moderate and within the safety range of the working requirement, the magnet 4 is stressed in balance under the action of the first elastic body 3, the second elastic body 6 and the gas flow scouring force and is kept in the middle pipe section, at the moment, no magnetic flux changes exist in the first coil 11 and the second coil 12, and therefore neither the first alarm device 13 nor the second alarm device 14 alarms.
When the air flow is too large and exceeds the air flow safety range of the work requirement, the magnet 4 is displaced due to unbalanced force and can slide into the second connecting part 8 from the middle pipe section, and at the moment, the magnetic flux in the second coil 12 is changed, so that induction current is generated, and the second alarm device 14 is driven to alarm.
In the above scheme, airflow safety measurement and alarm device's casing is detachable design, is convenient for accomodate when not using and carries, and the device's simple structure, and is with low costs, also possesses the alarm capability when the airflow is less than the safety range lower limit, is applicable to the operation requirement in workshop more.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. An airflow safety measuring and alarming device comprises a shell, wherein openings are formed in end faces of two ends of the shell, and the airflow safety measuring and alarming device is characterized in that a magnet is arranged inside the shell, magnetic liquid is attached to the magnet, two ends of the magnet are respectively connected with a first elastic body and a second elastic body, and the first elastic body and the second elastic body are respectively connected with an inner end face of the shell;
the casing includes middle pipeline section, the both ends of middle pipeline section can be dismantled respectively and be connected with first adapting unit and second adapting unit, twine on the lateral wall of first adapting unit and be equipped with first coil, twine on the lateral wall of second adapting unit and be equipped with the second coil, the both ends of first coil are connected with first alarm device's input electricity respectively, the both ends of second coil are connected with second alarm device's input electricity respectively.
2. The airflow safety measuring and warning device of claim 1, wherein said first and second connection members are each threadably engaged with said intermediate pipe section.
3. The airflow safety measurement and alarm device of claim 1, wherein the intermediate tube segment includes a first detachable portion and a second detachable portion that snap together to form the intermediate tube segment with a circular cross-section.
4. The airflow safety measurement and warning device of claim 3, wherein the first removable portion and the second removable portion are removably connected.
5. The airflow safety measurement and warning device of claim 4, wherein a gasket is disposed between the first removable portion and the second removable portion.
6. The airflow safety measuring and alarming device of claim 1, wherein the magnet is of a cylindrical structure, the magnetic liquid is attached to two polar ends of the magnet, and the axis of the magnet is parallel to the axis of the shell.
7. The airflow safety measurement and warning device of claim 1, further comprising an adjustment member having a radial dimension less than a dimension of an opening in an end face of the housing.
8. The airflow safety measuring and alarming device of claim 7, wherein the adjusting member comprises a rod portion, a bent portion is arranged at an end of the rod portion, and the bent portion is perpendicular to the rod portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120281055.XU CN214253399U (en) | 2021-02-01 | 2021-02-01 | Airflow safety measurement and alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120281055.XU CN214253399U (en) | 2021-02-01 | 2021-02-01 | Airflow safety measurement and alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214253399U true CN214253399U (en) | 2021-09-21 |
Family
ID=77795607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120281055.XU Expired - Fee Related CN214253399U (en) | 2021-02-01 | 2021-02-01 | Airflow safety measurement and alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214253399U (en) |
-
2021
- 2021-02-01 CN CN202120281055.XU patent/CN214253399U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210921 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |