CN203630153U - Sensing head for mining wind-speed monitoring device - Google Patents
Sensing head for mining wind-speed monitoring device Download PDFInfo
- Publication number
- CN203630153U CN203630153U CN201320779524.6U CN201320779524U CN203630153U CN 203630153 U CN203630153 U CN 203630153U CN 201320779524 U CN201320779524 U CN 201320779524U CN 203630153 U CN203630153 U CN 203630153U
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- China
- Prior art keywords
- sensing head
- monitoring device
- wind
- measurement
- mine
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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.)
- Expired - Lifetime
Links
- 238000012806 monitoring device Methods 0.000 title claims abstract description 11
- 238000005065 mining Methods 0.000 title abstract description 5
- 238000007789 sealing Methods 0.000 claims description 10
- 238000010079 rubber tapping Methods 0.000 claims description 8
- 229920006335 epoxy glue Polymers 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000009423 ventilation Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Images
Abstract
The utility model relates to a sensing head for a mining wind-speed monitoring device, and a sensing head comprises a power supply and a single-chip microcomputer. The single-chip microcomputer is connected with a Nixie tube display module, a sound-light alarm module, a 485 interface module, and a wind speed sensor. The power supply supplies power to the whole sensing head. The sensing head employs the technology of embedded-type microcontrollers, and employs the change of micro-pressure difference to measure the wind speed in measurement principles, thereby completely solving a problem of turbulent flow in an air pipe, and guaranteeing the high-precision measurement at low speed. The sensing head is great in anti-pollution capability and is low in cost of maintenance. The sensing head is simple in structure, is accurate in measurement, is table in performance, and is high in reliability. The sensing head provided by the utility model is mainly used for continuously monitoring the wind speed of a mine-ventilation general return airway, a main wind-measurement station under a mine, a ventilating fan and the like, and is an important meter for measuring parameters of ventilation safety for a mine.
Description
Technical field
The utility model belongs to mining equipment technical field, relates to the sensing head of a kind of colliery air monitoring device.
Background technology
China is big coal country, output of coal leaps to front three of the world, because most of coal is all stored in underground, so must exploit with the form of mine, and underground work is breakneck for coal workman's personal safety, all can there is every year a lot of coal mining accident in China, and all can pay each time the cost of blood, in these coal mining accidents, more common is exactly that down-hole toxic gas or coal powder density are too high, especially the too high meeting of dust directly affects downhole safety, and easily causes blast.Therefore, underground ventilating is very crucial, if poisonous down-hole inflammable gas can be discharged, can greatly increase safety coefficient.But the how ventilation effect of fast monitored down-hole, does not have a suitable equipment at present.
Utility model content
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, and the sensing head of a kind of colliery air monitoring device is provided, and its reasonable in design can be passed through differential pressure sensing head Measurement accuracy wind speed.
The purpose of this utility model solves by the following technical programs:
The sensing head of air monitoring device for this colliery, comprise the sensing head housing being formed by sensing head outer casing upper cover and sensing head shell lower casing, top in sensing head housing is fixed with differential pressure sensing head, is fixed with sensing head circuit board in the bottom of differential pressure sensing head by self-tapping screw; Bottom at sensing head housing is connected with blast pipe, is provided with the rubber tube being connected with differential pressure sensing head in described blast pipe; One side of described sensing head housing is provided with the lead-in wire being connected with sensing head circuit board by sealing adaptor.
Further, between above-mentioned blast pipe and sensing head housing, adopt epoxy glue sealing.
Further, air-tight fit sealing between above-mentioned outer casing upper cover and sensing head shell lower casing.
Colliery of the present utility model adopts closed sensing head housing with the sensing head of air monitoring device, and sensing head circuit board is arranged in housing, by rubber tube and blast pipe, the air pressure environment outside housing is introduced into sensing head, wind speed under can Measurement accuracy ore deposit, and, simple in structure, easily realize, also ensure the safety of underground equipment simultaneously.
Accompanying drawing explanation
Fig. 1 is the mounting structure schematic diagram of sensing head of the present utility model;
Fig. 2 is sensing head A-A cut-open view of the present utility model in Fig. 1;
Fig. 3 is the circuit block diagram that coordinates sensing head;
Wherein, 1, sensing head outer casing upper cover; 2, sensing head shell lower casing; 3, differential pressure sensing head; 4, the first self-tapping screw; 5, rubber tube; 6, sealing adaptor; 7, the second self-tapping screw; 8, blast pipe; 9, the 3rd self-tapping screw; 10, fixed mounting; 11, blast pipe plug; 12, sensing head circuit board.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Referring to Fig. 1 and Fig. 2, the sensing head of air monitoring device for colliery of the present utility model, comprise the sensing head housing being formed by sensing head outer casing upper cover 1 and sensing head shell lower casing 2, top in sensing head housing is fixed with differential pressure sensing head 3, is fixed with sensing head circuit board 12 in the bottom of differential pressure sensing head 3 by the first self-tapping screw 4; Bottom at sensing head housing is connected with blast pipe, is provided with the rubber tube 5 being connected with differential pressure sensing head 3 in blast pipe; One side of sensing head housing is provided with the lead-in wire being connected with sensing head circuit board 12 by sealing adaptor 6.Between described blast pipe and sensing head housing, adopt epoxy glue sealing.Between described outer casing upper cover 1 and sensing head shell lower casing 2, air-tight fit sealing, as shown in the figure, is sealed and matched by some the second self-tapping screws.
In order to coordinate with sensing head housing of the present utility model, be arranged with a sensor shell body supporting device at sensor housing, comprise blast pipe 8, on the pipe shaft of blast pipe 8, be provided with fixed mounting 10, this fixed mounting 10 is made up of left and right two parts, and confine on blast pipe 8 by the 3rd self-tapping screw 9, in the lower port of blast pipe 8, be provided with blast pipe plug 11.
Fig. 3 coordinates circuit block diagram of the present utility model, comprises power supply and single-chip microcomputer, and described single-chip microcomputer connects charactron display module, sound and light alarm module, 485 interface modules and differential pressure sensing head; Described power supply is connected with single-chip microcomputer and differential pressure sensing head, for whole device provides electric energy.Described power supply is rechargeable lithium battary.Single-chip microcomputer is also connected with infrared remote controller.Single-chip microcomputer is connected with frequency output module.Sound and light alarm module is made up of hummer, light emitting diode and driving circuit.Its course of work is as follows:
When powering on, instrument enters after normal operating conditions, differential pressure sensing head on instrument is delivered to the data that collect on single-chip microcomputer, through microprocessor data processing, demonstrate wind speed by charactron, and export the frequency signal of 200～1000 hertz for miscellaneous equipment, complete data upload by RS-485 circuit simultaneously.The warning circuit of instrument is made up of hummer, light emitting diode and driving circuit, when wind speed lower than set alarm set point time, instrument can send sound and light alarm signal.Infrared remote controller can be set alarm set point, instrument address, communication speed etc. at the scene.
Claims (3)
1. the sensing head of air monitoring device for a colliery, it is characterized in that, comprise the sensing head housing being formed by sensing head outer casing upper cover (1) and sensing head shell lower casing (2), top in sensing head housing is fixed with differential pressure sensing head (3), is fixed with sensing head circuit board (12) in the bottom of differential pressure sensing head (3) by the first self-tapping screw (4); Bottom at sensing head housing is connected with blast pipe, is provided with the rubber tube (5) being connected with differential pressure sensing head (3) in described blast pipe; One side of described sensing head housing is provided with the lead-in wire being connected with sensing head circuit board (12) by sealing adaptor (6).
2. the sensing head of air monitoring device for colliery according to claim 1, is characterized in that, adopts epoxy glue sealing between described blast pipe and sensing head housing.
3. the sensing head of air monitoring device for colliery according to claim 1, is characterized in that, air-tight fit sealing between described sensing head outer casing upper cover (1) and sensing head shell lower casing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320779524.6U CN203630153U (en) | 2013-11-29 | 2013-11-29 | Sensing head for mining wind-speed monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320779524.6U CN203630153U (en) | 2013-11-29 | 2013-11-29 | Sensing head for mining wind-speed monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203630153U true CN203630153U (en) | 2014-06-04 |
Family
ID=50816615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320779524.6U Expired - Lifetime CN203630153U (en) | 2013-11-29 | 2013-11-29 | Sensing head for mining wind-speed monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203630153U (en) |
-
2013
- 2013-11-29 CN CN201320779524.6U patent/CN203630153U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Caotan economic and Technological Development Zone, eco industrial park in Shaanxi city of Xi'an province is 710018 Yuan Lu No. 3699 Patentee after: Shaanxi Sida explosion-proof safety Polytron Technologies Inc Address before: 710018 Shaanxi city of Xi''an Province Economic and Technological Development Zone caotan eco industrial park Chang Yuan Road No. 3699 Patentee before: Shaanxi Star Coal Mine Safety Equipment Co., Ltd. |