CN209354172U - A kind of pressure detecting system of the coal mining bracket based on LoRa technology - Google Patents
A kind of pressure detecting system of the coal mining bracket based on LoRa technology Download PDFInfo
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- CN209354172U CN209354172U CN201822083644.8U CN201822083644U CN209354172U CN 209354172 U CN209354172 U CN 209354172U CN 201822083644 U CN201822083644 U CN 201822083644U CN 209354172 U CN209354172 U CN 209354172U
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- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 title claims abstract description 99
- 239000003245 coal Substances 0.000 title claims abstract description 17
- 238000005065 mining Methods 0.000 title claims abstract description 16
- 238000005516 engineering process Methods 0.000 title claims abstract description 15
- 238000005096 rolling process Methods 0.000 claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 12
- 230000003287 optical effect Effects 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 abstract description 5
- 239000000284 extract Substances 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a kind of pressure detecting systems of coal mining bracket based on LoRa technology, including bracket, LoRa terminal, LoRa gateway, control centre, the bracket specifically includes support base, support frame, support shaft, Rolling bearing, arc panel, pressure sensor；The LoRa terminal is connect with pressure sensor by data line, and the data information of the pressure sensor is acquired；The LoRa gateway is connect with multiple LoRa terminal wireless to acquire the data of the LoRa terminal；Control centre then passes through communication cable or the wired connection mode of optical cable is connect with the LoRa gateway, and the control centre can extract the data information of the LoRa gateway in real time.Therefore, the utility model can accurately detection support pressure data, and can the pressure of the receiving to multiple brackets in real time be monitored.
Description
Technical field
The utility model relates to wireless communication data acquisition technique fields, specifically, a kind of coal based on LoRa technology
The pressure detecting system of mining bracket.
Background technique
Currently used coal mine hydraulic supporting is substantially by being held in bracket outer carry pressure gauge to measure bracket
The pressure received, the measurement method of pressure gauge are the fringe regions by being mounted on pressure sensitive unit on hydraulic support, so
The detection for the pressure that bracket is born can be deviated；In addition, the pressure value that pressure gauge is calculated mainly passes through electricity
Pressure detection data is transferred to data acquisition equipment by cable or the mode of infrared wireless data communication transmission, in this way measurement bracket pressure
The mode of power is because communication distance is limited, and data transmission is unstable, can not carry out real-time pressure data detection；And pressure
Measurement is all that single bracket carries out, and cannot achieve the real time monitoring of multiple poppet pressures.
Utility model content
In view of the deficiencies of the prior art, the utility model proposes a kind of inspections of the pressure of coal mining bracket based on LoRa technology
Examining system.
The technical solution that the utility model solves above-mentioned technical problem is as follows:
A kind of pressure detecting system of the coal mining bracket based on LoRa technology, including bracket, LoRa terminal, LoRa net
It closes, control centre,
The bracket includes support base, support frame, support shaft, Rolling bearing, pressure sensor, arc panel；The branch
Support pedestal offers the inner cavity of bottom end closure, and the intracavity bottom center opens up fluted, and the support shaft is fixedly mounted on
In the groove, and pressure sensor setting is at the top of the support shaft；The Rolling bearing is coaxially mounted to described
On the inner wall of groove；The inner cavity of the support base is protruded into the middle and lower part of support frame as described above, and the bottom of support frame as described above is protruded into
In the groove, and it is bonded with the top of the pressure sensor；The top of support frame as described above is equipped with multiple screw holes, the arc
Plate is mounted on the top of support frame as described above by bolt；
The LoRa terminal is arranged in the bottom outside of the support base, and passes through data line and the pressure sensing
Device connection；
The LoRa gateway is connect with the LoRa terminal wireless；
The control centre is connect by communication cable or optical cable with the LoRa gateway.
The beneficial effects of the utility model are: when bracket bears pressure, since the coefficient of friction of Rolling bearing is very small,
So the pressure that bracket is born all can pass to the pressure sensor in support shaft by support frame, it ensure that poppet pressure detects
Accuracy, while by the outside of support base be arranged LoRa terminal, can acquire in real time pressure sensor data letter
Breath, collected pressure data is uploaded to LoRa gateway by way of wireless transmission by the LoRa terminal, and passes through control
Center can be consulted and be extracted to the information of LoRa gateway；The pressure of coal mining bracket can not only be carried out accurate, real
When monitoring, but also can simultaneously the pressure data of multiple brackets is monitored.
The utility model can also make improvement further below:
Further, the LoRa terminal includes MCU module and LoRa wireless module, and the MCU module passes through data line
It is connect with pressure sensor, and the MCU module is electrically connected with the LoRa wireless module.
Beneficial effect using above-mentioned further scheme is: LoRa terminal uses MCU module and LoRa wireless module, energy
It is enough that the data of pressure sensor are acquired, and can be realized remote wireless transmission, the pressure data of monitoring is transmitted
Into the LoRa gateway of erection.
Further, the LoRa gateway includes LoRa receiving module and data outputting module, the LoRa receiving module
It is electrically connected with data outputting module；The LoRa receiving module and the LoRa wireless module of the LoRa terminal are wirelessly connected；And
The data outputting module is connect with the control centre by communication cable or optical cable.
Beneficial effect using above-mentioned further scheme is: the LoRa gateway passes through LoRa receiving module and the LoRa
The LoRa wireless module of terminal is wirelessly connected, and can receive the data information of multiple LoRa terminals, and the data are defeated
Module is connect with the control centre by communication cable or optical cable out, control centre can data information to LoRa gateway into
Row extracts, so that it may realize the pressure real-time monitoring realized in a control centre to multiple brackets, not only reach in real time
With the pressure monitoring effect of high speed, and save poppet pressure monitoring cost.
Further, the LoRa terminal is additionally provided with one piece of digital display screen.
Using the beneficial effect of above-mentioned further scheme is: the pressure that can be born by digital display screen with real-time display bracket
Numerical value allows staff to find whether pressure data exception occurs in time in line walking.
Further, the bottom end outer rim of support frame as described above extends downwardly out a circular support portion, the support shaft and institute
It states pressure sensor to be respectively positioned in the support portion, and the support portion and the Rolling bearing are rolled and connected.
Further, have between the bottom end of the support portion and the groove floor of the support base for the support portion to
The gap of lower traveling, and the gap, not less than after the bracket maximum pressure-bearing, the support portion is advanced to the groove floor
Maximum distance.
Beneficial effect using above-mentioned further scheme is: when bracket bears pressure, due to the friction system of Rolling bearing
Number is very small, so the pressure that bracket is born all can pass to the pressure sensor in support shaft by support frame, ensure that branch
Frame bears the accuracy of the detection of pressure.
Detailed description of the invention
Fig. 1 is the systematic schematic diagram of the pressure detecting system of coal mining bracket of the utility model based on LoRa technology；
Fig. 2 is the structure chart of the bracket of the pressure detecting system of coal mining bracket of the utility model based on LoRa technology；
In attached drawing, parts list represented by the reference numerals are as follows:
1, bracket, 2, LoRa terminal, 3, LoRa gateway, 4, control centre, 11, support base, 12, support frame, 13, support
Axis, 14, Rolling bearing, 15, arc panel, 16, pressure sensor, 17, support portion.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
As shown in Fig. 1 to 2, the utility model provides a kind of pressure detecting system of coal mining bracket based on LoRa technology
System, bracket 1, LoRa terminal 2, LoRa gateway 3, control centre 4, the LoRa terminal 2 is arranged on the bracket 1, for receiving
Collect the pressure data of the bracket 1, collected pressure data is uploaded to by the LoRa terminal 2 by way of wireless transmission
In LoRa gateway 3, the control centre 4 is connect with LoRa gateway 3 by communication cable or optical cable, can be to the LoRa gateway
Data extract.
Specifically, the bracket 1 include support base 11, support frame 12, support shaft 13, Rolling bearing 14, arc panel 15,
Pressure sensor 16；Support base 11 offers the inner cavity of bottom end closure, and intracavity bottom center open up it is fluted, in groove
It is provided with support shaft 13, support shaft 13 is mounted by means of bolts on groove, and pressure sensing is provided at the top of support shaft
Device 4, and the inner wall of groove is coaxially installed with Rolling bearing 14；The inner cavity of support base 11 is then protruded into the bottom of support frame 12
In, and the bottom end of support frame 12 is bonded with pressure sensor 16.
In addition, the bottom end outer rim of support frame as described above 12 extends outward support portion 17, the support portion 17 and the support
Frame 12 is integrally machined molding；Have between the bottom end of the support portion 17 and the groove floor of the support base for the support portion
17 gaps travelled downwardly, after which is not less than the bracket maximum pressure-bearing, the support portion 17 is to the groove-bottom
The maximum distance that face is advanced.
In use, arc panel 15 is fixedly connected by bolt with the top of support frame 12 the utility model, so
The load that the arc panel 15 is born is transferred in pressure sensor 15 by support frame 12, because of the support portion 17 of support frame 12
It is to roll connection with Rolling bearing 14, coefficient of friction is very small, therefore the load that arc panel 15 is born all can be by support frame 12
Pressure sensor 16 is passed to, the LoRa terminal 2 is connect by data line with the pressure sensor 16, is passed to the pressure
The data of sensor 16 are collected, and realize the acquisition of 1 pressure data of bracket.
Specifically, LoRa terminal 2 is arranged in the outside of support base 11, the LoRa terminal 2 further include MCU module and
LoRa wireless module, the MCU module are connect by data line with pressure sensor, and can by the LoRa wireless module
To realize that the LoRa terminal 2 and the LoRa gateway 3 are wirelessly connected；The LoRa terminal 2 is additionally provided with one piece of digital display screen, passes through
Digital display screen can be with the real time value of real-time display pressure sensor 4.
Specifically, the LoRa gateway 3 include LoRa receiving module and data outputting module, the LoRa receiving module and
Data outputting module electrical connection, the LoRa gateway 3 are connect by the LoRa receiving module with the LoRa receiving module, institute
Stating LoRa gateway 3 may be implemented to communicate with multiple foundation of LoRa terminal 2；The control centre 4 passes through communication cable or light
Cable is connect with the data outputting module of the LoRa gateway 3.
In use, the MCU module and pressure sensor 16 of LoRa terminal 2 are connected the utility model by data line
It connects, acquires the data information of the pressure sensor 16, the side that multiple LoRa terminals 3 pass through the wireless transmissions such as 2G/3G/4G
For formula by collected data information transfer into LoRa gateway 3, control centre 4 passes through the wired connection side of communication cable or optical cable
Formula is connect with the LoRa gateway 3, and the control centre 4 can download the data information of the LoRa gateway 3, is realized to more
The pressure monitoring of a bracket.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (6)
1. a kind of pressure detecting system of the coal mining bracket based on LoRa technology, it is characterised in that: bracket (1), LoRa terminal
(2), LoRa gateway (3), control centre (4),
The bracket (1) includes support base (11), support frame (12), support shaft (13), Rolling bearing (14), arc panel
(15), pressure sensor (16)；The support base (11) offers the inner cavity of bottom end closure, and the intracavity bottom center is opened
Equipped with groove, the support shaft (13) is fixedly mounted in the groove, and the pressure sensor (16) is arranged in the branch
Support the top of axis (13)；The Rolling bearing (14) is coaxially mounted on the inner wall of the groove；In support frame as described above (12)
The inner cavity of the support base (11) is protruded into lower part, and the bottom of support frame as described above (12) is protruded into the groove, and with it is described
The top of pressure sensor (16) is bonded；The top of support frame as described above (12) is equipped with multiple screw holes, and the arc panel (15) passes through
Bolt is mounted on the top of support frame as described above (12)；
The LoRa terminal (2) is arranged in the bottom outside of the support base (11), and passes through data line and the pressure
Sensor (16) connection；
The LoRa gateway (3) and the LoRa terminal (2) are wirelessly connected；
The control centre (4) is connect by communication cable or optical cable with the LoRa gateway (3).
2. a kind of pressure detecting system of coal mining bracket based on LoRa technology according to claim 1, feature exist
In: the LoRa terminal (2) includes MCU module and LoRa wireless module, and the MCU module passes through data line and pressure sensor
(16) it connects, and the MCU module is electrically connected with the LoRa wireless module.
3. a kind of pressure detecting system of coal mining bracket based on LoRa technology according to claim 1 or 2, feature
Be: the LoRa gateway (3) includes LoRa receiving module and data outputting module, and the LoRa receiving module and data export
Module electrical connection；The LoRa receiving module and the LoRa wireless module of the LoRa terminal (2) are wirelessly connected；And the data
Output module is connect with the control centre (4) by communication cable or optical cable.
4. a kind of pressure detecting system of coal mining bracket based on LoRa technology according to claim 2, feature exist
In: the LoRa terminal (2) is additionally provided with one piece of digital display screen.
5. a kind of pressure detecting system of coal mining bracket based on LoRa technology according to claim 1, feature exist
In: the bottom end outer rim of support frame as described above (12) extends downwardly out a circular support portion (17), the support shaft and the pressure
Sensor is respectively positioned in the support portion (17), and the support portion (17) and the Rolling bearing (14) roll and connect.
6. a kind of pressure detecting system of coal mining bracket based on LoRa technology according to claim 5, feature exist
In: have between the bottom end of the support portion (17) and the groove floor of the support base (11) downward for the support portion (17)
The gap of traveling, and the gap is not less than after the bracket maximum pressure-bearing, support portion (17) the Xiang Suoshu groove floor row
Into maximum distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822083644.8U CN209354172U (en) | 2018-12-12 | 2018-12-12 | A kind of pressure detecting system of the coal mining bracket based on LoRa technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822083644.8U CN209354172U (en) | 2018-12-12 | 2018-12-12 | A kind of pressure detecting system of the coal mining bracket based on LoRa technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209354172U true CN209354172U (en) | 2019-09-06 |
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ID=67798907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822083644.8U Active CN209354172U (en) | 2018-12-12 | 2018-12-12 | A kind of pressure detecting system of the coal mining bracket based on LoRa technology |
Country Status (1)
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| CN (1) | CN209354172U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111271109A (en) * | 2020-03-09 | 2020-06-12 | 天地科技股份有限公司 | Mining hydraulic support struts quality monitoring devices |
| CN111485926A (en) * | 2020-02-25 | 2020-08-04 | 天地科技股份有限公司 | Wireless monitoring device for support state of hydraulic support |
-
2018
- 2018-12-12 CN CN201822083644.8U patent/CN209354172U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485926A (en) * | 2020-02-25 | 2020-08-04 | 天地科技股份有限公司 | Wireless monitoring device for support state of hydraulic support |
| CN111271109A (en) * | 2020-03-09 | 2020-06-12 | 天地科技股份有限公司 | Mining hydraulic support struts quality monitoring devices |
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