CN102506822B - Mining inclination angle sensor - Google Patents
Mining inclination angle sensor Download PDFInfo
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- CN102506822B CN102506822B CN 201110388732 CN201110388732A CN102506822B CN 102506822 B CN102506822 B CN 102506822B CN 201110388732 CN201110388732 CN 201110388732 CN 201110388732 A CN201110388732 A CN 201110388732A CN 102506822 B CN102506822 B CN 102506822B
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Abstract
The invention discloses a mining inclination angle sensor, which is arranged on a hydraulic bracket on a coal mining working surface. The mining inclination angle sensor comprises a circuit board, a sensor shell and a measurement mechanism, wherein the circuit board and the measurement mechanism are arranged in the sensor shell. A plurality of inclination angle sensors can be used after connectedin series with one another; data of the plurality of sensors can be acquired by using only one digital interface of a control device; furthermore, the inclination angle sensors can be arranged on thehydraulic bracket according to a bracket structural sequence, so that the length of serial connectors is shortened, and cable arrangement is facilitated; moreover, the number of sensor connectors is reduced to the maximum extent; and the mining inclination angle sensor can be used for detecting the attitude of the hydraulic bracket and also for measuring an angle by using a biaxial gravity accelerometer, and has high measurement precision.
Description
Technical field
The present invention relates to a kind of obliquity sensor, particularly a kind of mining inclination angle sensor that is used for carrying out coal mine hydraulic supporting operation attitude detection and control.
Background technology
The hydraulic support of fully-mechanized mining working is the key equipment of coal mine fully-mechanized mining working, and the employing hydraulic support electrohydraulic control system can improve the advancing velocity of hydraulic support, improves the production efficiency of fully-mechanized mining working.At large inclination working surface, often have the problem that upper string glides and the generation hydraulic support is toppled over of hydraulic support; Asynchronous in the control of four post hydraulic supports because the column front and back post movement velocity step, cause the support front-axle beam to steeve and contact and can not move with top board, or support cultivation head occurs, bump against accidents caused with the interference of scraper conveyer cable duct; Need to control the coal opening is put at the elevation angle of tail boom with control size to sublevel caving hydraulic support, therefore, hydraulic support is carried out attitude very necessary, when carrying out Hydraulic Support Posture control, need 2～4 obliquity sensors, but often because the interface quantity of support control device is inadequate, all the sensors all can not be linked into control system.In addition, need front and back column pressure detection, front and back advancing jack stroke detection, the stroke detection of coal discharge outlet plate, coal winning machine position detection and the control of support attitude to need altogether 10 left and right sides sensor interfaces for sublevel caving hydraulic support, and general support control device at most only provides 8 sensor interfaces, all sensors can't be connected to support control device.
Summary of the invention
For the problems referred to above, the present invention proposes a kind of mining inclination angle sensor, and it is installed on the hydraulic support of coal-face, comprises circuit board, sensor housing and measuring mechanism, and described circuit board and described measuring mechanism are arranged in the described sensor housing,
Described measuring mechanism is the acceleration of gravity meter of twin shaft, its measuring accuracy in 0～30 degree scope interval is greater than the measuring accuracy in 31～90 degree scope intervals, and the measuring accuracy in 31～90 degree scope intervals is greater than the measuring accuracy in the above scope of the 90 degree interval;
Described sensor housing comprises two plug connectors, be provided with the Interface for digital communication of full duplex on the described plug connector, described Interface for digital communication on two described plug connectors is set to input port and output port by the mode of software respectively, described output port links to each other with the support control device of described hydraulic support or links to each other with the input port of other obliquity sensor, and described input port links to each other with the output port of other sensor or uses plug to block and close;
Described circuit board comprises substrate, processor, parameter preservation circuit, voltage collection circuit and communicating circuit, and described processor, parameter are preserved circuit, voltage collection circuit and communicating circuit and be arranged on the described substrate; Described measuring mechanism connects described processor by described voltage collection circuit; Described parameter is preserved circuit and is connected the parameter that is set up that described processor is used for recording described obliquity sensor; Described communicating circuit connects respectively described processor and described Interface for digital communication, is used for arranging the input/output state of Interface for digital communication.
The inner fluid sealant that uses of described sensor housing carries out embedding.
Have two mounting holes on the described sensor housing, the axis of described mounting hole is substantially vertical with described circuit board.
The benefit that the present invention brings is the obliquity sensor use of can connecting, so only need use a digital interface of control device just can obtain the data of a plurality of sensors, solved the inadequate problem of support control device sensor interface quantity, can make simultaneously obliquity sensor on hydraulic support according to supporting structure order mounting arrangements, shorten connector length, be convenient to cable and arrange.Simultaneously can reduce to greatest extent sensor connector quantity, can be used for Hydraulic Support Posture and detect, sensor adopts twin shaft acceleration of gravity meter to carry out measurement of angle, and measuring accuracy is high.
The invention has the advantages that:
1, obliquity sensor has two interfaces, and obliquity sensor can use separately, the use of also can connecting;
2, adopt the single communication interface of support control device can obtain the data of a plurality of obliquity sensors;
3, in 0～30 degree scope interval, have the highest measuring accuracy and the mounting hole axis is substantially vertical with circuit board, guarantee
Obliquity sensor has degree of precision in the hydraulic support operational process;
4, sensor circuit adopts fluid sealant (epoxy resin) embedding, has preferably humidity resistance.
Description of drawings
Accompanying drawing 1 is the structure diagram of obliquity sensor of the present invention.
Reference numeral is as follows:
The 1-sensor housing; The 2-circuit board; 3-measuring mechanism (acceleration of gravity meter); The 4-Interface for digital communication; The 5-mounting hole.
Embodiment
Referring to accompanying drawing 1; mining inclination angle sensor; it is installed on the hydraulic support of coal-face; be used for carrying out coal mine hydraulic supporting operation attitude detection and control; comprise circuit board, sensor housing and measuring mechanism, circuit board and measuring mechanism are arranged in the sensor housing, are protected by metal shell; for guaranteeing the sealing property of sensor, the preferred sensor enclosure interior uses fluid sealant (such as epoxy resin) to carry out embedding.
Measuring mechanism is the angular-sensitive element, be preferably the acceleration of gravity meter of twin shaft, because the scope of activities of each parts of hydraulic support is little, usually all less than 30 degree, so just it does not all have higher measuring accuracy on gamut, can select such acceleration of gravity meter, make its measuring accuracy in 0～30 degree scope interval greater than the measuring accuracy in 31～90 degree scope intervals, measuring accuracy in 31～90 degree scope intervals is greater than the measuring accuracy in the above scope of the 90 degree interval, guaranteed on the one hand its measuring accuracy in the surveying range that often uses, avoided simultaneously gamut to improve waste on the cost that measuring accuracy causes, accomplished to make the best use of everything.
Sensor housing comprises two plug connectors, plug connector can be selected the engineering devices commonly used such as 4 core quick inserting joints, on the plug connector or its inside is provided with the Interface for digital communication of full duplex, arrange one on each plug connector of Interface for digital communication, be to have two Interface for digital communication on each obliquity sensor, Interface for digital communication on two plug connectors is set to input port and output port by the mode of software definition respectively, signal input port is name A port, signal output port called after B port.
When the obliquity sensor used aloned, the support control device of hydraulic support links to each other with the B port of obliquity sensor by connector, the A port of obliquity sensor by fill in block the sealing or be left intact; When a plurality of series connection of obliquity sensor are used, the support control device of hydraulic support links to each other with the B port of first obliquity sensor of series connection by connector, the A port of first obliquity sensor links to each other with the B port of second obliquity sensor by connector, a plurality of obliquity sensors of connecting so successively, the A port of last obliquity sensor by fill in block the sealing or be left intact, realize only using a digital interface of support control device just can obtain a plurality of obliquity sensor data with this, use this mode can realize the attitude detection of the integral body of hydraulic support.
Circuit board comprises substrate, processor, parameter preservation circuit, voltage collection circuit and communicating circuit, and processor, parameter are preserved circuit, voltage collection circuit and communicating circuit and be arranged on the substrate; Measuring mechanism connects described processor by voltage collection circuit, and the magnitude of voltage of voltage collection circuit acquisition and measurement mechanism also is transferred to processor with magnitude of voltage, and processor obtains the change of pitch angle of obliquity sensor according to the variation of magnitude of voltage; Parameter is preserved circuit and is connected the parameter that is set up that processor is used for the record obliquity sensor, such as port status etc.; Communicating circuit connects respectively processor and Interface for digital communication, is used for arranging the input/output state of Interface for digital communication.
Also have two or more mounting holes on the sensor housing, the axis of each mounting hole is substantially vertical with circuit board, so when mounted, circuit board can remain on horizontality substantially, the measuring mechanism that is installed on the circuit board also becomes horizontality, most measurement is carried out in the highest interval of measuring mechanism measuring accuracy, guaranteed the precision of measuring.
The above; only be the better embodiment of patent of the present invention; but the protection domain of patent of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that patent of the present invention discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of patent of the present invention.
Claims (3)
1. mining inclination angle sensor, it is installed on the hydraulic support of coal-face, comprises circuit board, sensor housing and measuring mechanism, and described circuit board and described measuring mechanism are arranged in the described sensor housing, it is characterized in that:
Described measuring mechanism is the acceleration of gravity meter of twin shaft, its measuring accuracy in 0～29 degree scope interval is greater than the measuring accuracy in 30～89 degree scope intervals, and the measuring accuracy in 30～89 degree scope intervals is greater than the measuring accuracy in the above scope of the 90 degree interval;
Described sensor housing comprises two plug connectors, be provided with the Interface for digital communication of full duplex on the described plug connector, described Interface for digital communication on two described plug connectors is set to input port and output port by the mode of software respectively, described output port links to each other with the support control device of described hydraulic support or links to each other with the input port of other obliquity sensor, and described input port links to each other with the output port of other sensor or uses plug to block and close;
Described circuit board comprises substrate, processor, parameter preservation circuit, voltage collection circuit and communicating circuit, and described processor, parameter are preserved circuit, voltage collection circuit and communicating circuit and be arranged on the described substrate; Described measuring mechanism connects described processor by described voltage collection circuit; Described parameter is preserved circuit and is connected the parameter that is set up that described processor is used for recording described obliquity sensor; Described communicating circuit connects respectively described processor and described Interface for digital communication, is used for arranging by the mode of software the input/output state of Interface for digital communication.
2. obliquity sensor as claimed in claim 1 is characterized in that: the inner fluid sealant that uses of described sensor housing carries out embedding.
3. obliquity sensor as claimed in claim 1 or 2, it is characterized in that: have two mounting holes on the described sensor housing, the axis of described mounting hole is substantially vertical with described circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110388732 CN102506822B (en) | 2011-11-30 | 2011-11-30 | Mining inclination angle sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110388732 CN102506822B (en) | 2011-11-30 | 2011-11-30 | Mining inclination angle sensor |
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| Publication Number | Publication Date |
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| CN102506822A CN102506822A (en) | 2012-06-20 |
| CN102506822B true CN102506822B (en) | 2013-10-23 |
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| CN 201110388732 Active CN102506822B (en) | 2011-11-30 | 2011-11-30 | Mining inclination angle sensor |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871930B (en) * | 2017-02-10 | 2020-05-19 | 上海索迪龙自动化有限公司 | Inclination angle sensor and calibration system thereof |
| CN107300882A (en) * | 2017-08-07 | 2017-10-27 | 安徽恒泰电气科技股份有限公司 | A kind of new mine product visualizes angle correct touch control detection device |
| CN108709539A (en) * | 2018-08-02 | 2018-10-26 | 苏州合衡动电子科技有限公司 | metal shell electrolyte level sensor |
| US20230294289A1 (en) * | 2019-12-13 | 2023-09-21 | Mechavision Inc. | Automatic device and safety apparatus thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101473193A (en) * | 2006-06-23 | 2009-07-01 | 丰田自动车株式会社 | Posture angle detecting device and posture angle detecting method |
| WO2010134411A1 (en) * | 2009-05-19 | 2010-11-25 | 古野電気株式会社 | Movement condition detection device |
| CN201688837U (en) * | 2010-05-18 | 2010-12-29 | 山东大学 | Portable digital high-accuracy dipmeter |
| CN201754088U (en) * | 2010-05-12 | 2011-03-02 | 西安交通大学 | Digital tilt sensor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011112392A (en) * | 2009-11-24 | 2011-06-09 | Panasonic Electric Works Co Ltd | Acceleration sensor |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101473193A (en) * | 2006-06-23 | 2009-07-01 | 丰田自动车株式会社 | Posture angle detecting device and posture angle detecting method |
| WO2010134411A1 (en) * | 2009-05-19 | 2010-11-25 | 古野電気株式会社 | Movement condition detection device |
| CN201754088U (en) * | 2010-05-12 | 2011-03-02 | 西安交通大学 | Digital tilt sensor |
| CN201688837U (en) * | 2010-05-18 | 2010-12-29 | 山东大学 | Portable digital high-accuracy dipmeter |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2011－112392A 2011.06.09 |
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| CN102506822A (en) | 2012-06-20 |
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Address after: 100013, Beijing, Chaoyang District, Hepingli Youth ditch East Road, building 5, one floor Patentee after: Beijing Tianma Zhikong Technology Co.,Ltd. Address before: 100013, Beijing, Chaoyang District, Hepingli Youth ditch East Road, building 5, one floor Patentee before: BEIJING TIANDI-MARCO ELECTRO-HYDRAULIC CONTROL SYSTEM Co.,Ltd. |
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