CN202350782U - Intrinsic safety type simulative inclination angle sensor for mining - Google Patents
Intrinsic safety type simulative inclination angle sensor for mining Download PDFInfo
- Publication number
- CN202350782U CN202350782U CN2011204594301U CN201120459430U CN202350782U CN 202350782 U CN202350782 U CN 202350782U CN 2011204594301 U CN2011204594301 U CN 2011204594301U CN 201120459430 U CN201120459430 U CN 201120459430U CN 202350782 U CN202350782 U CN 202350782U
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- inclination angle
- angle sensor
- intrinsic safety
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Abstract
The utility model discloses an intrinsic safety type simulative inclination angle sensor for mining, which comprises an acceleration transducer module, wherein the signal output end of the acceleration transducer module is connected with the input end of a signal processing module through an A/D (Analog to Digital) conversion module, the output end of the signal processing module is connected with the input end of a signal conditioning module through a D/A (Digital to Analog) conversion module, and the output end of the signal conditioning module is connected with an analog quantity output interface. The intrinsic safety type simulative inclination angle sensor for mining, provided by the utility model, has the advantages that the acceleration transducer is used for inducing the magnitude of a component of the gravity acceleration on a measuring axis of the acceleration transducer so as to determine the inclined angle of an object; in comparison with mercury, electrolyte and heat drift indicators, the inclination angle sensor has the advantages of quick response and low power consumption. In addition, a high-performance 16-bit A/D converter is adopted, so that the resolution of inclination angle measurement is improved.
Description
Technical field
The utility model relates to obliquity sensor, especially relates to the mine intrinsic safety pattern and intends obliquity sensor.
Background technology
Hydraulic support electrohydraulic control system is the core technology that realizes coal mine fully-mechanized mining working robotization control, and efficiently, safely, continuously, stably producing for coal mine fully-mechanized mining working provides assurance.Mining intrinsic safety type obliquity sensor is an important composition unit of support electrohydraulic control system; Be used for carrying out attitude control and highly control in the support course of action, realize the closed-loop control of support balance jack course of action and the altitude measurement control of support.At present; The external import of the most of dependence of domestic employed electrohydraulic control system; Therefore, have problems such as price is high, the delivery cycle is long, the obliquity sensor parts price is expensive, after sale service is untimely, these factors have seriously restricted the popularization of electrohydraulic control technology.
Summary of the invention
The utility model purpose is to provide high, the cheap for manufacturing cost mine intrinsic safety pattern of a kind of signals collecting precision to intend obliquity sensor.
For realizing above-mentioned purpose, the utility model can be taked following technical proposals:
The described mine intrinsic safety pattern of the utility model is intended obliquity sensor; Comprise acceleration sensor module; Said acceleration sensor module signal output part is connected with the signal processing module input end through the A/D modular converter; Said signal processing module output terminal is connected with the signal condition module input through the D/A modular converter, and said signal condition module output terminal is connected with analog output interface circuit.
The utility model advantage is to adopt the size of acceleration transducer induction acceleration of gravity component on its measurement axis to confirm the angle of inclination of object, compares mercury, electrolyte, heat energy drift indicator and responds fast, low in energy consumption.In addition, adopt high performance 16 A/D converters, improved the resolution of measurement of dip angle.
Description of drawings
Fig. 1 is the schematic block circuit diagram of the utility model.
Fig. 2 is the acceleration sensor module circuit theory diagrams of the utility model.
Fig. 3 is the A/D modular converter circuit theory diagrams for the utility model.
Fig. 4 is the utility model signal processing module circuit theory diagrams.
Fig. 5 is the utility model signal condition modular circuit schematic diagram.
Fig. 6 is the utility model voltage-stabilized power supply circuit schematic diagram.
Embodiment
As shown in Figure 1; The described mine intrinsic safety pattern of the utility model is intended obliquity sensor; Comprise acceleration sensor module; Said acceleration sensor module signal output part is connected with the signal processing module input end through the A/D modular converter, and said signal processing module output terminal is connected with the signal condition module input through the D/A modular converter, and said signal condition module output terminal is connected with analog output interface circuit.
Acceleration sensor module induction acceleration of gravity also changes into voltage signal; Said voltage signal carries out analyzing and processing by signal processing module (MCU) and obtains dip angle signal after the A/D module processing; Said dip angle signal is through D/A modular converter output analog signals, and said analog signals is through the voltage signal of signal condition module output 0.5V-4.5V.Said power module can provide 5V and 3.3V D.C. regulated power supply, stablizes the 3.3V power supply for acceleration sensor module, A/D modular converter, signal processing module (MCU) provide; For the signal condition module provides stable 5V power supply.
Fig. 2 is said acceleration sensor module circuit theory diagrams, adopts the 3.3V power supply, adds between its power supply and the ground and decouples and shunt capacitance C15, C16, to reduce the influence of power supply to the output signal; Capacitor C 17, C18 realize the weakening to signal noise, have confirmed the output bandwidth of acceleration sensor module.
Fig. 3 is said A/D modular converter circuit theory diagrams; These 16 A/D conversion chips are through SPI and signal processing module (MCU) communication; Send the control word timesharing by signal processing module (MCU) the two-way simulating signal is carried out the A/D conversion, and be sent to signal processing module (MCU) to the result of A/D conversion through SPI.Add between its power supply and the ground and decouple and shunt capacitance C19, C20, to reduce the interference of power supply the output signal
Fig. 4 is said signal processing module (MCU); Adopt the microprocessor of a ARM7 kernel of NXP; Obtain the corresponding digital signal of acceleration through SPI with the communication of A/D modular converter and obtain obliquity information through analyzing, calculate (single shaft pattern), said dip angle signal changes into analog quantity output via the inner integrated D/A of signal processing module (MCU).
Fig. 5 is the said signal condition module that is; Adopt a low-power consumption, high-accuracy operational amplifier and precision resistance to constitute an in-phase amplification circuit; Analog quantity to D/A conversion output is amplified, and forms the voltage output signal of 0.5V-4.5V and inclination angle relation in direct ratio.
Fig. 6 be shown in voltage-stabilized power supply circuit; Input voltage is the 12V DC voltage; After power supply chip U1 voltage stabilizing, export 5V; For the signal condition module provides voltage, after power supply chip U8 voltage stabilizing, export 3.3V, be acceleration transducer, A/D modular converter, signal processing module (MCU), the power supply of D/A modular converter.
Claims (1)
1. a mine intrinsic safety pattern is intended obliquity sensor; It is characterized in that: comprise acceleration sensor module; Said acceleration sensor module signal output part is connected with the signal processing module input end through the A/D modular converter; Said signal processing module output terminal is connected with the signal condition module input through the D/A modular converter, and said signal condition module output terminal is connected with analog output interface circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204594301U CN202350782U (en) | 2011-11-18 | 2011-11-18 | Intrinsic safety type simulative inclination angle sensor for mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204594301U CN202350782U (en) | 2011-11-18 | 2011-11-18 | Intrinsic safety type simulative inclination angle sensor for mining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202350782U true CN202350782U (en) | 2012-07-25 |
Family
ID=46539781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204594301U Expired - Lifetime CN202350782U (en) | 2011-11-18 | 2011-11-18 | Intrinsic safety type simulative inclination angle sensor for mining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202350782U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102445190A (en) * | 2011-11-18 | 2012-05-09 | 郑州煤矿机械集团股份有限公司 | Intrinsically safe simulated tilt sensor for mining |
| CN103604416A (en) * | 2013-11-07 | 2014-02-26 | 国网电力科学研究院 | High-precision double-shaft inclination sensor |
-
2011
- 2011-11-18 CN CN2011204594301U patent/CN202350782U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102445190A (en) * | 2011-11-18 | 2012-05-09 | 郑州煤矿机械集团股份有限公司 | Intrinsically safe simulated tilt sensor for mining |
| CN103604416A (en) * | 2013-11-07 | 2014-02-26 | 国网电力科学研究院 | High-precision double-shaft inclination sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120725 |