CN212667123U - Automobile-used panel board based on micro-electromechanical sensor - Google Patents
Automobile-used panel board based on micro-electromechanical sensor Download PDFInfo
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- CN212667123U CN212667123U CN202021213299.6U CN202021213299U CN212667123U CN 212667123 U CN212667123 U CN 212667123U CN 202021213299 U CN202021213299 U CN 202021213299U CN 212667123 U CN212667123 U CN 212667123U
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Abstract
The utility model discloses an automobile-used panel board based on micro-electromechanical sensor, including casing, display screen, button and main circuit board, still include the auxiliary circuit board and connect a plurality of erection columns of casing inboard, a plurality of erection columns include with last casing fixed last erection column and with lower casing fixed lower erection column, main circuit board casing under through erection column fixed connection down, be equipped with micro-electromechanical accelerometer and accelerometer's work circuit on the auxiliary circuit board, the auxiliary circuit board is connected with main circuit board electricity, and the auxiliary circuit board passes through the spring and is connected with the erection column, the button is located the both sides of main circuit board respectively with the auxiliary circuit board. The utility model discloses a special mounting structure combines micro-electromechanical accelerometer rationally and automobile-used panel board, reduces the influence that the vibration brought, plays the effect of moving away to avoid possible earthquakes, improves the stability that detects, improves life, does benefit to the integration of precision sensor and panel board.
Description
Technical Field
The utility model relates to a micro-electromechanical system application, in particular to automobile-used panel board based on micro-electromechanical system sensor.
Background
Micro Electro Mechanical Systems (MEMS) is an industrial technology that combines micro-electronics and mechanical engineering, and the earliest MEMS devices can catch the year of 1966. At present, micro-electromechanical accelerometers, micro-mechanical angular velocity meters and the like are mainly manufactured on a silicon chip, and the micro-electromechanical sensors have the advantages of small size, low power consumption, high reliability, good stability, low cost and easiness in batch production, so that the micro-electromechanical sensors are widely applied to the fields of automobile navigation and control systems, camera vibration absorption systems and the like. For example, the invention with the authorization notice number CN107857231B discloses a micro-electromechanical accelerometer and a preparation method thereof.
And the automobile-used panel board is because service environment is comparatively complicated, for example vibrate irregularly, temperature humidity changes greatly, sometimes accurate sensor can not play better effect on the contrary, consequently urgently needed a new technology that can effectively integrate micro-electromechanical accelerometer and traditional panel board.
SUMMERY OF THE UTILITY MODEL
To the relatively poor problem of automobile-used panel board and accurate sensor integration effect among the prior art, the utility model provides an automobile-used panel board based on micro electromechanical sensor through special sensor mounted position and mode, reduces the unnecessary error, improves the stability that detects.
The technical scheme of the utility model is as follows.
The utility model provides an automobile-used panel board based on micro-electromechanical sensor, includes casing, display screen, button and main circuit board, still includes the auxiliary circuit board and connects a plurality of erection columns of casing inboard, a plurality of erection columns include with last casing fixed last erection column and with lower casing fixed lower erection column, main circuit board through mounting column fixed connection lower casing down, be equipped with the working circuit of micro-electromechanical accelerometer and micro-electromechanical accelerometer on the auxiliary circuit board, the auxiliary circuit board is connected with main circuit board electricity, and the auxiliary circuit board passes through the spring and is connected with the erection column, the button is located the both sides of main circuit board respectively with the auxiliary circuit board. Main circuit board and display screen and key connection, main circuit board are equipped with the work circuit of basis, the utility model discloses a spring is as intermediary structure for the secondary circuit board is more flexible with being connected of casing interior erection column, plays the effect of moving away to avoid possible earthquakes, improves the stability that detects, does benefit to the integration of precision sensor and panel board. The weight of the key is similar to that of the auxiliary circuit board, so that the whole weight is balanced.
Preferably, the auxiliary circuit board is connected with the corresponding mounting posts one by one through even number of springs, and the upper mounting posts and the lower mounting posts in the mounting posts respectively account for half of the number. The upper mounting columns and the lower mounting columns respectively account for half of the number, so that the auxiliary circuit board is in a dynamic balance state instead of being only subjected to one of spring tension or elastic force, the stress complexity is improved, and a more stable effect is achieved.
Preferably, the micro-electromechanical accelerometer is arranged in the middle of the auxiliary circuit board, and a balancing weight is further arranged in the middle of the auxiliary circuit board. The function that the balancing weight played is not in order to increase weight, but is near in order to guarantee that the focus is in the centre of vice circuit board, and the orbit is more steady when making the emergence vibration. The specific position of the balancing weight is determined according to the vacant space of the auxiliary circuit board.
Preferably, the number of the springs connected with the auxiliary circuit board is four, one end of the auxiliary circuit board is connected with 2 upper mounting columns through 2 springs, and the other end of the auxiliary circuit board is connected with 2 lower mounting columns through 2 springs. One side receives spring tension, and the other side receives spring force, and less unbalance can appear in the both sides atress at the vibration in-process, makes minor upset appear in the vice circuit board, makes the central point of vice circuit board put the vibration range and reduces.
Preferably, the auxiliary circuit board is connected with the main circuit board through a lead, and the connection point of the lead and the auxiliary circuit board is positioned in the middle of the auxiliary circuit board.
Preferably, among the springs connected to the sub circuit board, the spring coefficient of the spring connected to the upper mounting post is not equal to the spring coefficient of the spring connected to the lower mounting post. After vibration occurs, the auxiliary circuit board is subjected to pulling force or elasticity, fluctuation can occur, and due to the fact that the elasticity coefficients are unequal, the auxiliary circuit board can slightly turn over during vibration, and vibration amplitude of the middle portion is reduced.
The beneficial effects of the utility model include: through special mounting structure, with micro-electromechanical accelerometer reasonable with automobile-used panel board combination, reduce the influence that the vibration brought, improve the stability that detects, improve life, do benefit to and improve whole effect.
Drawings
Fig. 1 is a schematic diagram of an embodiment of the present invention;
fig. 2 is a cross-sectional view of an embodiment of the invention;
the figure includes: 1-shell, 2-main circuit board, 3-mounting column, 4-auxiliary circuit board, 5-display screen and 6-key.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present invention. It will be understood by those skilled in the art that the present invention may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present invention.
Example (b):
as shown in fig. 1 and fig. 2, a dashboard for a vehicle based on a micro-electromechanical sensor is shown, for convenience of highlighting the focus, features not affecting the technical solution are not shown, including casing 1 in the figure, display screen 5, button 6 and main circuit board 2, still include vice circuit board 4 and connect a plurality of erection columns 3 of 1 inboard of casing, display screen 5 is used for showing various information, button 6 is used for carrying out conventional control operation, a plurality of erection columns 3 include with last casing 1 fixed last erection column 3 and with casing 1 fixed lower erection column 3 down, main circuit board 2 is through casing 1 under the 3 fixed connection of erection column, be equipped with the operating circuit of micro-electromechanical accelerometer and micro-electromechanical accelerometer on the vice circuit board 4, vice circuit board 4 is connected with main circuit board 2 electricity, vice circuit board 4 is connected with erection column 3 through the spring, button 6 is located the both sides of main circuit board 2 respectively with vice circuit board 4. Through the intermediate structure of spring for the connection of auxiliary circuit board 4 and erection column 3 in the casing 1 is more flexible, plays the effect of moving away to avoid possible earthquakes, improves the stability that detects, does benefit to the integration of precision sensor and panel board.
The auxiliary circuit board 4 is connected with the corresponding mounting columns 3 one by one through 4 springs, one end of the auxiliary circuit board 4 is connected with 2 upper mounting columns 3 through 2 springs, and the other end of the auxiliary circuit board 4 is connected with 2 lower mounting columns 3 through 2 springs. The upper mounting columns 3 and the lower mounting columns 3 respectively account for half of the number, so that the auxiliary circuit board 4 can be in a dynamic balance state instead of being only subjected to one of spring tension or elastic force, the stress complexity is improved, and a more stable effect is achieved. Namely, one side is under the spring tension, the other side is under the spring elasticity, and the stress on the two sides can be slightly unbalanced in the vibration process, so that the secondary circuit board 4 is slightly overturned, and the vibration amplitude of the central position of the secondary circuit board 4 is reduced.
The micro-electromechanical accelerometer of this embodiment is arranged in the middle of the auxiliary circuit board 4, and the middle of the auxiliary circuit board 4 is also provided with a balancing weight. The counterweight block plays a role not for increasing weight, but for ensuring that the center of gravity is near the middle of the secondary circuit board 4, so that the motion track is more stable when vibration occurs. The specific position of the balancing weight depends on the free space of the auxiliary circuit board 4.
The auxiliary circuit board 4 is connected with the main circuit board 2 through a lead, and the connection point of the lead and the auxiliary circuit board 4 is positioned in the middle of the auxiliary circuit board 4.
Among the springs connected to the sub-board 4, the spring coefficient of the spring connected to the upper mounting post 3 is not equal to the spring coefficient of the spring connected to the lower mounting post 3. After vibration occurs, the auxiliary circuit board 4 is subjected to tension or elasticity, fluctuation occurs, and due to the fact that the elasticity coefficients are unequal, the auxiliary circuit board 4 can slightly turn over during vibration, and vibration amplitude of the middle portion is reduced.
Through the description of the above embodiments, those skilled in the art will understand that, for convenience and simplicity of description, only the division of the above functional modules is used as an example, and in practical applications, the above function distribution may be completed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules to complete all or part of the above described functions.
Units described as separate parts may or may not be physically separate, and parts displayed as units may be one physical unit or a plurality of physical units, may be located in one place, or may be distributed to a plurality of different places. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides an automobile-used panel board based on micro-electromechanical sensor, includes casing, display screen, button and main circuit board, its characterized in that still includes the auxiliary circuit board and connects a plurality of erection columns of casing inboard, a plurality of erection columns include with last casing fixed last erection column and with lower casing fixed lower erection column, main circuit board is through casing under the erection column fixed connection, be equipped with the working circuit of micro-electromechanical accelerometer and micro-electromechanical accelerometer on the auxiliary circuit board, the auxiliary circuit board is connected with main circuit board electricity, and the auxiliary circuit board passes through the spring and is connected with the erection column, the button is located the both sides of main circuit board respectively with the auxiliary circuit board.
2. The vehicle instrument panel based on the micro-electromechanical sensor as claimed in claim 1, wherein the secondary circuit board is connected with the corresponding mounting posts one by one through an even number of springs, and the upper mounting posts and the lower mounting posts in the mounting posts respectively account for half of the number.
3. The vehicle instrument panel based on the micro-electromechanical sensor as claimed in claim 2, wherein the micro-electromechanical accelerometer is disposed in the middle of the secondary circuit board, and a weight is further disposed in the middle of the secondary circuit board.
4. The vehicle instrument panel based on the micro-electromechanical sensor as claimed in claim 3, wherein the number of the springs connected to the secondary circuit board is four, one end of the secondary circuit board is connected to 2 upper mounting posts through 2 springs, and the other end of the secondary circuit board is connected to 2 lower mounting posts through 2 springs.
5. The vehicle instrument panel based on the micro-electromechanical sensor as claimed in claim 1, wherein the secondary circuit board is connected to the main circuit board through a lead, and a connection point of the lead and the secondary circuit board is located in the middle of the secondary circuit board.
6. The dashboard for vehicle based on micro electro mechanical system sensor as claimed in claim 3 or 4, wherein the spring coefficient of the spring connected to the upper mounting pillar is not equal to the spring coefficient of the spring connected to the lower mounting pillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021213299.6U CN212667123U (en) | 2020-06-28 | 2020-06-28 | Automobile-used panel board based on micro-electromechanical sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021213299.6U CN212667123U (en) | 2020-06-28 | 2020-06-28 | Automobile-used panel board based on micro-electromechanical sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212667123U true CN212667123U (en) | 2021-03-09 |
Family
ID=74818928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021213299.6U Active CN212667123U (en) | 2020-06-28 | 2020-06-28 | Automobile-used panel board based on micro-electromechanical sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212667123U (en) |
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2020
- 2020-06-28 CN CN202021213299.6U patent/CN212667123U/en active Active
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