CN202814393U - Tilt angle sensor - Google Patents
Tilt angle sensor Download PDFInfo
- Publication number
- CN202814393U CN202814393U CN 201220489160 CN201220489160U CN202814393U CN 202814393 U CN202814393 U CN 202814393U CN 201220489160 CN201220489160 CN 201220489160 CN 201220489160 U CN201220489160 U CN 201220489160U CN 202814393 U CN202814393 U CN 202814393U
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Abstract
The utility model discloses a tilt angle sensor which comprises a chip and a sensor outer shell for packaging the chip; the chip is provided with an MCU (microprogrammed control unit) module which is connected with a signal processing module, a program storage unit, a power supply conversion module and an interface circuit through data lines; the signal processor is connected with an MEMS (micro-electromechanical system) accelerometer; and the interface circuit comprises a PWM (pulse width modulation) output module, an SPI (serial peripheral interface) output module, a 12C output module and a DAC (digital-to-analogue conversion) circuit, and is connected with external electric cables. According to the utility model, the MCU module, the MEMS accelerometer, the DAC circuit, the interface circuit and other parts are all centralized on a small circuit board, and tilt data of angle and the like can be output directly after welding and packaging; and the tilt angle sensor is convenient to use, adopts simulation and data output modes, and is provided with multiple output modes; and the outer shell of the tilt angle sensor is packaged by adopting high-intensity insulation materials, so that the sensor is practical under the severe environment, is high in external electromagnetic interference resistant capability, and bears high impact and vibration force.
Description
Technical field
The utility model relates to a kind of sensor, particularly a kind of high precision dip sensor.
Background technology
Now increasing engineering mechanical device from traditional mechanical-hydraulic system to electronics-hydraulic system changes, particularly the widespread use of CAN-BUS bus provides extraordinary technology platform for the lifting of the update worker work efficiency of construction machinery product.Such as paver, motorized grader, excavator, lifter, crane etc., for realizing automatic control, all need the attitude of car body itself and topworks is measured, simultaneously security also is subject to extensive concern, therefore, the bus sensors that accurately takes measurement of an angle has just become requisite electronic metering equipment.
Existing obliquity sensor resolution is low, and circuit structure is complicated, and output format is limited, and volume is large, and is harsh for the environmental requirement of vibrations and vibration.
Summary of the invention
In order to overcome defects, the utility model provides a kind of volume little, and precision is high, the strong obliquity sensor of anti-outside electromagnetic interference ability.
The utility model for the technical scheme that solves its technical matters and adopt is: a kind of obliquity sensor, the sensor outer housing that comprises chip and packaged chip, described chip is provided with the MCU module, described MCU module connects signal processing module, program storage unit (PSU), power transfer module and interface circuit by data line, described signal processing module is connected with mems accelerometer, described interface circuit comprises PWM output module, SPI output module, 12C output module and D/A converting circuit, and described institute interface circuit connects external cable.
As further improvement of the utility model, the PWM output module of described interface circuit, SPI output module, 12C output module and D/A converting circuit are connected with MCU module and external cable.
As further improvement of the utility model, sensor outer housing is that impact-resistant high-strength insulating material is made.
As further improvement of the utility model, described MCU module also connects a program register.
The beneficial effects of the utility model are: the utility model is with the MCU module, the parts such as mems accelerometer, D/A converting circuit, interface circuit all concentrate on the little circuit board, the direct tilt data such as output angle after the welding encapsulation, easy to use, simulation and the data way of output possess the multiple way of output, its shell adopts the high-strength insulating material encapsulation, so that sensor can be practical under rugged surroundings, anti-outside electromagnetic interference ability is strong, and the shaking force that withstands shocks is strong.
Description of drawings
Fig. 1 is the utility model structural principle synoptic diagram;
Fig. 2 is profile synoptic diagram of the present utility model;
Fig. 3 is the vertical view of Fig. 2.
Embodiment
In order to deepen understanding of the present utility model, the utility model is described in further detail below in conjunction with embodiment and accompanying drawing, and this embodiment only is used for explaining the utility model, does not consist of the restriction to the utility model protection domain.
Fig. 1 has shown a kind of embodiment of a kind of obliquity sensor of the utility model, the sensor outer housing 2 that comprises chip 1 and packaged chip, described chip is provided with MCU module 3, described MCU module 3 connects signal processing module 4 by data line, program storage unit (PSU) 5, power transfer module 6 and interface circuit, described signal processing module is connected connection with mems accelerometer, described interface circuit comprises PWM output module 8, SPI output module 9,12C output module 10 and D/A converting circuit 11, described interface circuit connects external cable, the PWM output module 8 of described interface circuit, SPI output module 9,12C output module 10 is connected with D/A converting circuit and is connected with MCU module 3 and external cable, sensor outer housing is that impact-resistant high-strength insulating material is made, and described MCU module 3 also connects a program register 12.
Claims (4)
1. obliquity sensor, the sensor outer housing (2) that comprises chip (1) and packaged chip, it is characterized in that: described chip is provided with MCU module (3), described MCU module (3) connects signal processing module (4) by data line, program storage unit (PSU) (5), power transfer module (6) and interface circuit, described signal processing module (4) is connected 7 with mems accelerometer) connect, described interface circuit comprises PWM output module (8), SPI output module (9), 12C output module (10) and D/A converting circuit (11), described interface circuit connects external cable.
2. obliquity sensor according to claim 1, it is characterized in that: the PWM output module (8) of described interface circuit, SPI output module (9), 12C output module (10) are connected 11 with D/A converting circuit) be connected with MCU module (3) and external cable.
3. obliquity sensor according to claim 1, it is characterized in that: sensor outer housing (2) is made for impact-resistant high-strength insulating material.
4. obliquity sensor according to claim 1, it is characterized in that: described MCU module (3) also connects a program register (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220489160 CN202814393U (en) | 2012-09-24 | 2012-09-24 | Tilt angle sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220489160 CN202814393U (en) | 2012-09-24 | 2012-09-24 | Tilt angle sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202814393U true CN202814393U (en) | 2013-03-20 |
Family
ID=47873254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220489160 Expired - Fee Related CN202814393U (en) | 2012-09-24 | 2012-09-24 | Tilt angle sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202814393U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105871211A (en) * | 2016-05-20 | 2016-08-17 | 南京超闪通讯科技有限公司 | External power supply switching circuit on chip and application |
| CN106871930A (en) * | 2017-02-10 | 2017-06-20 | 上海索迪龙自动化有限公司 | A kind of obliquity sensor and its calibration system |
| CN111707231A (en) * | 2020-06-05 | 2020-09-25 | 西安交通大学 | Inclination angle measurement sensitive element integrated unit and working method thereof |
-
2012
- 2012-09-24 CN CN 201220489160 patent/CN202814393U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105871211A (en) * | 2016-05-20 | 2016-08-17 | 南京超闪通讯科技有限公司 | External power supply switching circuit on chip and application |
| CN106871930A (en) * | 2017-02-10 | 2017-06-20 | 上海索迪龙自动化有限公司 | A kind of obliquity sensor and its calibration system |
| 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 |
| CN111707231A (en) * | 2020-06-05 | 2020-09-25 | 西安交通大学 | Inclination angle measurement sensitive element integrated unit and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20150924 |
|
| EXPY | Termination of patent right or utility model |