CN220214329U - Mining intrinsic safety type pressure sensor dustproof device - Google Patents
Mining intrinsic safety type pressure sensor dustproof device Download PDFInfo
- Publication number
- CN220214329U CN220214329U CN202321510866.8U CN202321510866U CN220214329U CN 220214329 U CN220214329 U CN 220214329U CN 202321510866 U CN202321510866 U CN 202321510866U CN 220214329 U CN220214329 U CN 220214329U
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- ring body
- pressure sensor
- screw rod
- mounting plate
- upper ring
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- 238000005065 mining Methods 0.000 title claims abstract description 23
- 239000000428 dust Substances 0.000 claims abstract description 28
- 239000000523 sample Substances 0.000 claims abstract description 22
- 230000006698 induction Effects 0.000 claims description 14
- 238000001514 detection method Methods 0.000 abstract description 9
- 230000001939 inductive effect Effects 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000009825 accumulation Methods 0.000 description 9
- 239000003570 air Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a mining intrinsic safety type pressure sensor dustproof device which comprises a mounting plate, an upper ring body, a lower ring body, a filter screen cylinder, a fixing rod, a vibrator, a driving motor, a screw rod, a sliding block and a pressure sensor. The upper ring body and the lower ring body are respectively and fixedly connected to the upper port and the lower port of the filter screen cylinder, the outer walls of the upper ring body and the lower ring body are connected with the mounting plate through the fixing rods, and the vibrator is connected to the lower end of the lower ring body. The driving motor is located in the inner cavity of the mounting plate, the screw rod is vertically arranged in the inner cavity, and the lower end of the screw rod is connected with the driving motor. The sliding block is sleeved on the screw rod and is in threaded connection with the screw rod. The pressure sensor is connected with the sliding block, and the inductive probe on the lower surface of the pressure sensor is opposite to the upper ring body. The dust filter device can not only prevent the problem that the detection precision is affected by the accumulated dust of the sensing probe of the pressure sensor, but also clean the dust filter device on line in real time, and the dust filter device is not required to be disassembled and assembled, so that monitoring holes are avoided.
Description
Technical Field
The utility model relates to the field of pressure sensors, in particular to a dust-proof device of a mining intrinsic safety type pressure sensor.
Background
The mine pressure sensor is a safety protection device for mine integrating pressure detection, data display and data communication, can continuously monitor the ambient air pressure of the mine fan, an air door sealing, a ventilation roadway and other places, and can convert the measured information into signals for output so as to help mine production operators to know the air pressure state in the mine in time, ensure the normal operation of the mine and prevent mine accidents. The pressure sensor mainly uses an induction probe as a pressure sensitive element to test pressure, however, a mine is an environment with high dust content, and a large amount of dust can be deposited on the induction probe of the pressure sensor after a period of use, so that the detection accuracy is affected. The manual cleaning is inconvenient, the efficiency is low, the damage to the pressure sensor is easy to cause, if the pressure sensor is disassembled and then sent to a manufacturer for cleaning and maintenance, and a new pressure sensor is replaced in a mine, so that the cost is high, the monitoring of the pressure in the mine during the period is influenced, and the monitoring loophole is easy to cause.
Disclosure of Invention
The utility model provides a mining intrinsic safety type pressure sensor dustproof device, which not only can prevent the problem that an inductive probe of a pressure sensor influences detection precision due to dust accumulation, but also can clean a dust filtering device on line in real time without disassembly and assembly, and avoids monitoring loopholes. In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a mining intrinsically safe pressure sensor dust protection device, comprising: the dust filter comprises an upper ring body, a lower ring body, a filter screen cylinder, a fixing rod and a vibrator. Wherein: the upper ring body and the lower ring body are respectively and fixedly connected to the upper port and the lower port of the filter screen cylinder, the outer walls of the upper ring body and the lower ring body are fixedly connected to the mounting plate through the fixing rods, and the vibrator is fixedly connected to the lower surface of the lower ring body.
Further, the lifting mechanism comprises a driving motor, a screw rod and a sliding block. Wherein: the driving motor is arranged in the inner cavity of the mounting plate, the screw rod is vertically arranged in the inner cavity, the lower end of the screw rod is connected with the driving motor, and the upper end of the screw rod is rotationally connected with the upper surface of the inner cavity. The sliding block is sleeved on the screw rod and is in threaded connection with the screw rod.
Further, the device also comprises a pressure sensor, wherein the pressure sensor is positioned on the outer wall of the mounting plate, the outer wall is provided with channels which are vertically distributed and correspond to the screw rods, the pressure sensor is connected with the sliding blocks through connecting rods, an inductive probe on the lower surface of the pressure sensor is opposite to the upper ring body, and the connecting rods are positioned in the channels so as to slide up and down along the channels under the driving of the driving motor.
Further, an annular buffer gasket is fixed on the upper surface of the upper ring body so as to reduce the impact force between the sensor and the upper ring body.
Further, the lower surface of the upper ring body is provided with annular grooves distributed along the circumferential direction of the upper ring body, the upper surface of the lower ring body is provided with annular grooves distributed along the circumferential direction of the upper ring body, the upper end and the lower end of the filter screen cylinder are respectively inserted into the annular grooves on the upper ring body and the lower ring body, and the filter screen cylinder is fixedly connected with the annular grooves.
Further, a power socket connected with the vibrator is arranged on the side wall of the mounting plate so as to supply power to the vibrator.
Further, a control switch connected with the power socket is arranged on the side wall of the mounting plate so as to control the opening and closing of the vibrator.
Further, the lower portion of the side wall of the lower ring body has an open groove to discharge dust falling inside the filter screen cylinder by vibration.
Compared with the prior art, the utility model has the following beneficial effects: according to the dust-proof device of the mining intrinsic safety type pressure sensor, the dust-filtering device is arranged on the mounting plate, so that the induction probe on the lower surface of the pressure sensor penetrates through the upper ring body and then enters the filter screen cylinder for protection, and therefore accumulation of external dust on the induction probe is prevented, and the problem that the detection precision is affected by dust accumulation of the induction probe is prevented. Meanwhile, the filter screen cylinder can be cleaned on line through the vibrator arranged on the lower ring body, so that the problem that the accuracy of air pressure detection is affected due to dust accumulation and blockage of the filter screen cylinder is avoided, and in the process, the pressure sensor is temporarily lifted by the lifting mechanism to enable the inductive probe to exit the upper ring body, so that the vibration of the vibrator is prevented, the vibration of the probe is caused, and the problem of testing is affected.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a side view of an intrinsically safe pressure sensor dust protection device for mines in the following embodiment.
FIG. 2 is a schematic structural view of the upper ring body in the following embodiment.
Fig. 3 is a side view showing a state of use of the dust-proof device for mining intrinsic safety type pressure sensor in the following embodiment.
Fig. 4 is a schematic structural view of another upper ring and lower ring in the following embodiments.
Fig. 5 is a front view of the mounting plate in the following embodiment.
FIG. 6 is a schematic view of another lower ring body according to another embodiment.
The label marks in the figures represent: 1-mounting plate, 2-upper ring body, 3-lower ring body, 4-filter screen cylinder, 5-dead lever, 6-vibrator, 7-driving motor, 8-lead screw, 9-slider, 10-pressure sensor, 11-passageway, 12-connecting rod, 13-inductive probe, 14-buffer gasket, 15-power socket, 16-control switch, 17-open slot, 201-annular groove.
Detailed Description
It should be noted that, for convenience of description, the words "upper", "lower", "left" and "right" in the present utility model, if they mean only that the directions are consistent with the upper, lower, left, and right directions of the drawings themselves, and do not limit the structure, only for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element to be referred to needs to have a specific orientation, and is constructed and operated in a specific orientation, and thus the limitation of the present utility model is not to be construed. The dust-proof device of the mining intrinsic safety type pressure sensor is further described with reference to the specification, the drawings and specific embodiments.
Referring to fig. 1 to 3, an example of a dust-proof device for a mining intrinsic safety type pressure sensor includes: mounting panel 1 and dust filter device, this dust filter device includes upper ring body 2, lower ring body 3, filter screen section of thick bamboo 4, dead lever 5 and vibrator 6, specifically:
the mounting plate 1 is vertically arranged and is used for being fixed at a mounting place, so that mounting holes can be formed in the mounting plate 1, and the mounting plate 1 can be fixed in a mine through fasteners such as screws. The upper ring body 2 and the lower ring body 3 are of annular structures, such as circular rings, square rings and the like, and form a dust filtering device with the filter screen cylinder 4, so that the accumulation of external dust on the induction probe 13 can be effectively prevented. Referring to fig. 1, the upper ring body 2 and the lower ring body 3 are respectively and fixedly connected to the upper port and the lower port of the filter screen cylinder 4, the outer walls of the upper ring body 2 and the lower ring body 3 are fixedly connected to the mounting plate 1 through the fixing rods 5, and the vibrator 6 is fixedly connected to the lower surface of the lower ring body 3.
Referring to fig. 3, during use, a pressure sensor 10 (such as a GPD60 mine intrinsic safety type pressure sensor) is connected to the outer wall of the mounting plate 1, and an induction probe 13 on the lower surface of the pressure sensor 10 enters the filter screen cylinder 4 from the upper ring body 2, so as to protect the induction probe 13, thereby preventing accumulation of external dust on the induction probe 13, and preventing the problem that the detection precision of the induction probe 13 is affected by dust accumulation. Meanwhile, the vibrator 6 arranged on the lower ring body 3 can clean the filter screen cylinder 4 on line, so that the problem that the accuracy of air pressure detection is affected due to dust accumulation and blockage of the filter screen cylinder 4 is avoided.
Referring to fig. 4, in another embodiment, the lower surface of the upper ring body 2 of the mining intrinsic safety type pressure sensor dustproof device illustrated in the above embodiment is provided with annular grooves 201 distributed along the circumferential direction of the upper ring body 2, the upper page of the upper surface of the lower ring body 3 is provided with annular grooves 201 distributed along the circumferential direction of the upper page, the upper end and the lower end of the filter screen cylinder 4 are respectively inserted into the annular grooves 201 on the upper ring body 2 and the lower ring body 3, and the filter screen cylinder 4 is fixedly connected with the annular grooves 201. For example, when the upper ring 2, the lower ring 3 and the filter screen cylinder 4 are all plastic meshes, the filter screen cylinder 4 and the annular groove 201 may be fixedly connected by gluing. When the upper ring body 2, the lower ring body 3 and the filter screen cylinder 4 are all metal meshes, the filter screen cylinder 4 and the annular groove 201 can be fixedly connected in a welding mode.
In another embodiment, the mining intrinsic safety type pressure sensor dustproof device exemplified by the above embodiment further comprises a lifting mechanism. Specifically, referring to fig. 1 and 3, the lifting mechanism includes a driving motor 7, a screw 8, and a slider 9. Wherein: the driving motor 7 and the screw rod 8 are vertically arranged in the inner cavity of the mounting plate 1, the lower end of the screw rod 8 is fixedly connected with the driving motor 7, and the upper end of the screw rod 8 is rotationally connected with the upper surface of the inner cavity. The sliding block 9 is sleeved on the screw rod 8 and is in threaded connection with the screw rod 8. Referring to fig. 5, the front wall of the mounting plate 1 is provided with a channel 11 vertically distributed and corresponding to the screw rod 8, the pressure sensor 10 is connected with the sliding block 9 through a connecting rod 12, an induction probe 13 on the lower surface of the pressure sensor 10 is opposite to the upper ring body 2, and the connecting rod 12 is positioned in the channel 11 so as to slide up and down along the channel 11 under the driving of the driving motor 7. Therefore, when the vibrator 6 arranged on the lower ring body 3 is used for cleaning the filter screen cylinder 4 on line, and the problem that the accuracy of air pressure detection is affected due to dust accumulation and blockage of the filter screen cylinder 4 is avoided, the pressure sensor 10 can be temporarily lifted by the lifting mechanism to enable the induction probe 13 to withdraw from the upper ring body 2, so that the vibration of the probe caused by the vibration of the vibrator 6 is prevented, and the test is affected. After cleaning, the lifting mechanism sends the induction probe 13 into the filter screen cylinder 4 again to form protection.
Referring to fig. 1 and 3, in another embodiment, an annular buffer pad 14 is fixed on the upper surface of the upper ring body 2 of the mining intrinsic safety type pressure sensor dustproof device illustrated in the above embodiment, and the material of the buffer pad 14 may be selected from rubber, soft plastic, foam material, etc. so as to reduce the impact between the pressure sensor 10 and the upper ring body 2 when entering the filter screen cylinder 4.
Referring to fig. 6, in another embodiment, in the dust-proof device for mining intrinsic safety type pressure sensor exemplified in the above embodiment, the lower portion of the side wall of the lower ring body 3 has open grooves 17 spaced apart along the circumferential direction thereof so as to discharge dust falling inside the filter screen cylinder 4 by vibration of the vibrator 6.
Referring to fig. 1 and 3, in another embodiment, in the mining intrinsic safety type pressure sensor dustproof apparatus exemplified in the above embodiment, a power socket 15 connected to the vibrator 6 is provided on a sidewall of the mounting plate 1 to supply power to the vibrator 6. And a control switch 16 connected with the power socket 15 is arranged on the side wall of the mounting plate 1 so as to control the opening and closing of the vibrator 6.
Finally, it should be noted that any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model. While the foregoing description of the embodiments of the present utility model has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the utility model, but rather, it is intended to cover all modifications or variations within the scope of the utility model as defined by the claims of the present utility model.
Claims (8)
1. Mining ann's pressure sensor dust keeper, its characterized in that includes: the dust filter comprises a mounting plate and a dust filter device, wherein the dust filter device comprises an upper ring body, a lower ring body, a filter screen cylinder, a fixing rod and a vibrator; wherein: the upper ring body and the lower ring body are respectively and fixedly connected to the upper port and the lower port of the filter screen cylinder, the outer walls of the upper ring body and the lower ring body are fixedly connected to the mounting plate through the fixing rods, and the vibrator is fixedly connected to the lower surface of the lower ring body.
2. The mining intrinsic safety type pressure sensor dustproof device according to claim 1, further comprising a lifting mechanism, wherein the lifting mechanism comprises a driving motor, a screw rod and a sliding block; wherein: the driving motor is arranged in an inner cavity of the mounting plate, the screw rod is vertically arranged in the inner cavity, the lower end of the screw rod is connected with the driving motor, and the upper end of the screw rod is rotationally connected with the upper surface of the inner cavity; the sliding block is sleeved on the screw rod and is in threaded connection with the screw rod.
3. The mining intrinsic safety type pressure sensor dustproof device according to claim 2, further comprising a pressure sensor, wherein the pressure sensor is positioned on the outer wall of the mounting plate, a channel which corresponds to the screw rod and is vertically distributed is formed in the outer wall, the pressure sensor is connected with the sliding block through a connecting rod, an induction probe on the lower surface of the pressure sensor is opposite to the upper ring body, and the connecting rod is positioned in the channel.
4. The mining intrinsic safety type pressure sensor dustproof device according to claim 3, wherein an annular buffer gasket is fixed on the upper surface of the upper ring body.
5. The mining intrinsic safety type pressure sensor dustproof device according to claim 1, wherein the lower surface of the upper ring body is provided with annular grooves distributed along the circumferential direction of the upper ring body, the upper surface of the lower ring body is provided with annular grooves distributed along the circumferential direction of the upper ring body, the upper end and the lower end of the filter screen cylinder are respectively inserted into the annular grooves on the upper ring body and the lower ring body, and the filter screen cylinder is fixedly connected with the annular grooves.
6. The mining intrinsic safety type pressure sensor dustproof apparatus according to any one of claims 1 to 5, wherein a power socket connected with the vibrator is provided on a side wall of the mounting plate.
7. The mining intrinsic safety type pressure sensor dustproof device according to claim 6, wherein a control switch is connected with the power socket on the side wall of the mounting plate.
8. The mining intrinsic safety type pressure sensor dustproof apparatus according to any one of claims 1 to 5, wherein the lower portion of the side wall of the lower ring body is provided with an open groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321510866.8U CN220214329U (en) | 2023-06-14 | 2023-06-14 | Mining intrinsic safety type pressure sensor dustproof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321510866.8U CN220214329U (en) | 2023-06-14 | 2023-06-14 | Mining intrinsic safety type pressure sensor dustproof device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220214329U true CN220214329U (en) | 2023-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321510866.8U Active CN220214329U (en) | 2023-06-14 | 2023-06-14 | Mining intrinsic safety type pressure sensor dustproof device |
Country Status (1)
| Country | Link |
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| CN (1) | CN220214329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117571194A (en) * | 2024-01-16 | 2024-02-20 | 山东中煤电器有限公司 | Sensing equipment for testing fluid pressure in pipeline |
-
2023
- 2023-06-14 CN CN202321510866.8U patent/CN220214329U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117571194A (en) * | 2024-01-16 | 2024-02-20 | 山东中煤电器有限公司 | Sensing equipment for testing fluid pressure in pipeline |
| CN117571194B (en) * | 2024-01-16 | 2024-03-22 | 山东中煤电器有限公司 | Sensing equipment for testing fluid pressure in pipeline |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 102, Building 27, Phase III, Zhongnan High tech, No. 8 Zidong Avenue, Tianqiao District, Jinan City, Shandong Province, China, 250119 Patentee after: SHANDONG COAL ELECTRIC Co.,Ltd. Country or region after: China Address before: No.20, Xinsha North Road, Huaiyin District, Jinan City, Shandong Province Patentee before: SHANDONG COAL ELECTRIC Co.,Ltd. Country or region before: China |