Attitude tilt angle sensor

Abstract

The attitude tilt angle sensor comprises a base, the edge of the base protrudes to form a circle of annular enclosure frame, and an annular insertion groove is formed in the top face of the enclosure frame along the contour of the enclosure frame; the bottom of the shell protrudes inwards to form an annular inserting part matched with the inserting groove in an inserting mode, and the inserting part and the inserting groove are fixed in a sealed mode through sealant; the sensing chip is installed in the enclosure frame, the sensing chip is connected with a conductive wire harness, and the conductive wire harness penetrates through the shell in a sealed mode to the outside of the shell so that the sensing chip can be electrically connected with external equipment; according to the invention, the plugging grooves formed in the enclosure frame are matched with the plugging pieces to form plugging matching, so that the contact area of the base and the shell is larger, a better sealing effect can be formed by matching with the sealant, and the base and the shell are bonded and fixed more firmly.

Description

Technical Field

[0001] The invention belongs to the technical field of inclination detection, and in particular relates to a posture inclination sensor. Background Art

[0002] Inclination sensors are used in various angle measurement applications, such as high-precision laser instrument leveling, engineering machinery equipment leveling, long-distance distance measuring instruments, high-altitude platform safety protection, directional satellite communication antenna pitch angle measurement, ship navigation attitude measurement, shield jacking application, dam detection, geological equipment tilt monitoring, artillery barrel initial firing angle measurement, radar vehicle platform detection, satellite communication vehicle attitude detection, etc.

[0003] A Chinese utility model patent with publication number CN204214442U discloses an inclination sensor, which includes a shell encapsulating a sensor chip, a circuit interface connected to the sensor chip is provided on one side of the shell, a plurality of fins are formed at intervals on both side surfaces adjacent to the circuit interface, and through holes for fastening bolts to pass through are provided in the middle of the two side surfaces.

[0004] This type of attitude tilt sensor has poor sealing. Summary of the invention

[0005] The object of the present invention is to provide a posture tilt sensor to solve at least one of the above technical problems.

[0006] To achieve the above object, the technical solution adopted by the present invention is:

[0007] An attitude inclination sensor, comprising:

[0008] The base has an edge that protrudes to form a ring-shaped frame, and the top surface of the frame is provided with a ring-shaped plug-in groove along its contour; preferably, the edge of the base can also protrude outward to form a mounting hole for installation;

[0009] A housing, wherein the bottom of the housing protrudes inwardly to form an annular plug-in portion that is plugged into the plug-in slot, and the plug-in portion and the plug-in slot are sealed and fixed by a sealant;

[0010] A sensor chip is installed in the enclosure, and the sensor chip is connected to a conductive harness, and the conductive harness is sealed and passed through the shell to the outside of the shell to electrically connect the sensor chip with an external device.

[0011] The present invention forms an installation cavity for installing a sensor chip through a base and a shell. The sensor chip is used for posture inclination detection. The plug-in groove opened on the surrounding frame cooperates with the plug-in part to form a plug-in fit, so that the contact area between the base and the shell is larger, and a better sealing effect can be formed with the sealant, and the bonding and fixation between the base and the shell is also more firm; the surrounding frame can also be used to limit the position of the sensor chip, which is convenient for the fixed installation of the sensor chip in the installation cavity.

[0012] Furthermore, the outer surface of the shell is aligned with the outer surface of the surrounding frame to form a flat plane, so that the appearance and feel of the device are better.

[0013] Furthermore, a ring-shaped sealing groove is provided at the bottom of the side wall of the plug-in slot close to the sensor chip, and the sealing groove is filled with sealant. By providing the sealing groove, when the connector is inserted into the plug-in slot, the sealant in the plug-in slot can be squeezed into the sealing groove, thereby increasing the contact area between the sealant and the plug-in slot, thereby improving the sealing and bonding strength between the base and the shell.

[0014] Furthermore, the inner wall of the frame is provided with a plurality of bonding grooves, and the frame is provided with a glue overflow channel, wherein the glue overflow channel connects the bonding groove and the sealing groove, and when the sealant in the plug-in groove is squeezed by the plug-in part, it enters into the bonding groove through the sealing groove and the glue overflow channel, and is used for fixing the sensor chip to the frame. By providing the bonding groove in conjunction with the glue overflow channel, when assembling the device, the sealant is only applied to the plug-in groove, and the sealant is squeezed into the bonding groove by inserting the plug-in part into the plug-in groove, thereby bonding and fixing the time sensor chip to the frame without applying glue separately in the bonding groove, thereby reducing the assembly process and improving the assembly efficiency.

[0015] Furthermore, a side wall of the plug-in slot close to the sensor chip is provided with a glue overflow groove connected to the sealing groove, the glue overflow groove is vertically arranged, and its position corresponds to the position of the conductive wire bundle, the conductive wire bundle is passed through the side wall of the plug-in portion to the outside of the shell, and when the plug-in portion is inserted into the plug-in slot, the glue overflow groove bends the conductive wire bundle, so that the conductive wire is surrounded by the glue overflow groove and the side wall of the plug-in portion, and the sealant in the plug-in slot is squeezed by the plug-in portion, enters the glue overflow groove through the sealing groove, and seals the conductive wire bundle with the plug-in portion. Sealed and fixed; a sealed channel connected to the sealing groove and accommodating the conductive wire harness is formed by the arranged overflow glue groove and the side wall of the plug-in component. The conductive wire harness enters the sealing channel from the side of the plug-in component, extends from the top of the sealing channel and is electrically connected to the sensor chip. The conductive wire harness is sealed and fixed in the sealing channel by the sealant squeezed by the plug-in component, which can improve the sealing of the connection between the conductive wire harness and the shell, and this sealing operation is also completed in the process of inserting the plug-in component into the plug-in slot, without the need to dispense glue in the sealing channel separately, which can effectively reduce the assembly process and improve the assembly speed.

[0016] Furthermore, the conductive wiring harness comprises a plurality of strands of conductive wires, and a number of pins that is the same as the number of the conductive wires is fixed in the shell, the conductive wires are connected to the pins in a one-to-one correspondence, and a connector that cooperates with the pins is provided on the sensor chip, and the pin is electrically connected to the sensor chip through the connector; the arranged pins are electrically connected to the conductive wiring harness, and the pins and the conductive wiring harness are both fixed on the shell, and forming an electrical connection between the two is simple and convenient, and the arranged pins cooperate with the connector to achieve the insertion of the pin into the connector while the plug-in part is inserted into the plug-in slot, so that the installation of the shell and the base and the electrical connection between the conductive wiring harness and the sensor chip are completed in one step, and the installation is simpler; the plugging and unplugging direction of the pin is consistent with the plugging and unplugging direction of the plug-in part.

[0017] Furthermore, the connector includes sockets whose number is the same as the number of pins, the sockets are tightly fitted with the pins, and an electrical contact portion electrically connected to the sensor chip is provided at the bottom of the sockets, and the pins are pressed against the electrical contact portion to form an electrical connection; the sockets are provided for plugging and fitting with the pins, so that the pins can be pressed against the electrical contact portion to form an electrical connection with the sensor chip.

[0018] Furthermore, a conductive spring is provided between the plug pin and the electrical contact portion, the top of the conductive spring abuts against the plug pin, and the bottom abuts against the electrical contact portion. By providing a conductive spring between the plug pin and the electrical contact portion, the plug pin and the electrical contact portion are electrically connected via the conductive spring, which can prevent the plug pin from being disconnected from the electrical contact portion due to loosening, thereby improving the stability of the electrical connection between the plug pin and the electrical contact portion.

[0019] Furthermore, the bottom of the pin is in an inverted cone shape, and the upper portion of the conductive spring is in an inverted cone shape matching the shape of the bottom of the pin, which can increase the contact area between the pin and the conductive spring, thereby improving the conductive effect between the pin and the conductive spring.

[0020] Furthermore, the base is provided with a positioning column, and the sensor chip is provided with a positioning hole matched with the positioning column for positioning the sensor chip, so as to facilitate the subsequent fixing of the sensor chip and the surrounding frame.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] (1) The present invention forms an installation cavity for installing a sensor chip through the provided base and the shell, and the provided sensor chip is used for posture inclination detection. The plug-in groove provided on the provided surrounding frame cooperates with the plug-in piece to form a plug-in fit, so that the contact area between the base and the shell is larger, and a better sealing effect can be formed with the sealant, and the bonding and fixing between the base and the shell is also more firm; the surrounding frame can also be used to limit the position of the sensor chip, which is convenient for the fixed installation of the sensor chip in the installation cavity;

[0023] (2) The present invention provides an adhesive groove and an overflow glue channel, so that when assembling the device, the sealant can be applied only to the plug-in groove. By inserting the plug-in into the plug-in groove, the sealant is squeezed into the adhesive groove, so that the time sensor chip and the surrounding frame are bonded and fixed, without applying glue in the adhesive groove alone, which can reduce the assembly process and improve the assembly efficiency.

[0024] (3) The present invention forms a sealed channel that is connected to the sealing groove and accommodates the conductive wire harness by the overflow glue groove and the side wall of the plug-in component. The conductive wire harness enters the sealed channel from the side of the plug-in component, extends from the top of the sealed channel and is electrically connected to the sensor chip. The conductive wire harness is sealed and fixed in the sealed channel by the sealant squeezed from the plug-in component, which can improve the sealing of the connection between the conductive wire harness and the shell. The sealing operation is also completed in the process of inserting the plug-in component into the plug-in slot, without the need to dispense glue into the sealed channel separately, which can effectively reduce the assembly process and improve the assembly speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a cross-sectional view of an attitude tilt sensor in this embodiment;

[0026] Figure 2 for Figure 1 A partial enlarged view of the middle part;

[0027] Figure 3 for Figure 1 A partial enlarged view of point B in the middle;

[0028] Figure 4 This is a cross-sectional view of the base in this embodiment;

[0029] Figure 5 for Figure 4 A partial enlarged view of point C in the middle;

[0030] In the figure: 1. base; 2. frame; 3. plug-in slot; 4. shell; 5. plug-in part; 6. sealant; 7. sensor chip; 8. conductive wire harness; 9. sealing slot; 10. adhesive slot; 11. overflow glue channel; 12. overflow glue slot; 13. pin; 14. connector; 141. socket; 142. electrical contact part; 143. conductive spring; 15. positioning column. DETAILED DESCRIPTION

[0031] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] like Figure 1-5 As shown, this embodiment provides a posture inclination sensor, including:

[0033] The base 1 has an edge protruding to form a ring-shaped surrounding frame 2, and the top surface of the surrounding frame 2 is provided with a ring-shaped plug-in groove 3 along its contour; preferably, the edge of the base 1 can also protrude outward to form a mounting hole for installation;

[0034] The housing 4 has a bottom that protrudes inward to form an annular plug-in portion 5 that is plugged into the plug-in slot 3. The plug-in portion 5 and the plug-in slot 3 are sealed and fixed by a sealant 6;

[0035] The sensor chip 7 is installed in the enclosure 2 , and the sensor chip 7 is connected to a conductive harness 8 . The conductive harness 8 is sealed and passes through the housing 4 to the outside of the housing 4 , so as to electrically connect the sensor chip 7 with an external device.

[0036] The present invention forms an installation cavity for installing a sensor chip 7 through the provided base 1 and the shell 4. The provided sensor chip 7 is used for posture inclination detection. The plug-in slot 3 provided on the provided surrounding frame 2 cooperates with the plug-in component 14 to form a plug-in fit, so that the contact area between the base 1 and the shell 4 is larger, and a better sealing effect can be formed with the sealant 6, and the bonding and fixation between the base 1 and the shell 4 is also more firmly. The surrounding frame 2 can also be used to limit the position of the sensor chip 7, which is convenient for the fixed installation of the sensor chip 7 in the installation cavity.

[0037] Furthermore, the outer surface of the shell 4 is aligned with the outer surface of the surrounding frame 2 to form a flat plane, which makes the appearance and feel of the device better.

[0038] Furthermore, a ring-shaped sealing groove 9 is provided at the bottom of the side wall of the plug-in slot 3 close to the sensor chip 7, and the sealing groove 9 is filled with sealant 6. By providing the sealing groove 9, when the connector 14 is inserted into the plug-in slot 3, the sealant 6 in the plug-in slot 3 can be squeezed into the sealing groove 9, thereby increasing the contact area between the sealant 6 and the plug-in slot 3, thereby improving the sealing and bonding strength between the base 1 and the shell 4.

[0039] Furthermore, a plurality of bonding grooves 10 are provided on the inner wall of the surrounding frame 2, and a glue overflow channel 11 is provided on the surrounding frame 2. The glue overflow channel 11 connects the bonding groove 10 and the sealing groove 9. When the sealant 6 in the plug-in groove 3 is squeezed by the plug-in portion 5, it enters into the bonding groove 10 through the sealing groove 9 and the glue overflow channel 11, and is used for fixing the sensor chip 7 to the surrounding frame 2. By setting the bonding groove 10 in conjunction with the glue overflow channel 11, when assembling the device, only the sealant 6 is applied to the plug-in groove 3, and the sealant 6 is squeezed into the bonding groove 10 by inserting the plug-in component 14 into the plug-in groove 3, so that the time sensor chip 7 and the surrounding frame 2 are bonded and fixed without applying glue separately in the bonding groove 10, which can reduce the assembly process and improve the assembly efficiency.

[0040] Furthermore, a glue overflow groove 12 connected to the sealing groove 9 is provided on the side wall of the plug-in slot 3 near the sensor chip 7. The glue overflow groove 12 is vertically arranged and its position corresponds to the position of the conductive wire harness 8. The conductive wire harness 8 is passed through the side wall of the plug-in portion 5 to the outside of the shell 4. When the plug-in portion 5 is inserted into the plug-in slot 3, the glue overflow groove 12 bends the conductive wire harness 8 so that the conductive wire is surrounded by the glue overflow groove 12 and the side wall of the plug-in portion 5, and the sealant 6 in the plug-in slot 3 is squeezed by the plug-in portion 5, enters the glue overflow groove 12 through the sealing groove 9, and seals and fixes the conductive wire harness 8 to the plug-in portion 5; a sealed channel connected to the sealing groove 9 and accommodating the conductive wire harness 8 is formed by enclosing the side wall of the plug-in component 14, and the conductive wire harness 8 enters the sealed channel from the side of the plug-in portion 5 and extends out from the top of the sealed channel. Electrically connected to the sensor chip 7, the conductive wire harness 8 is sealed and fixed in the sealed channel by the sealant 6 squeezed by the connector 14, which can improve the sealing of the connection between the conductive wire harness 8 and the shell 4, and this sealing operation is also completed in the process of inserting the connector 14 into the plug-in slot 3, without the need to dispense glue into the sealed channel separately, which can effectively reduce the assembly process and improve the assembly speed; preferably, the side wall height on the inner side of the plug-in slot 3 can be higher than the side wall height on the outer side of the plug-in slot 3, so as to facilitate the fitting of the bottom of the shell 4 and the top surface of the surrounding frame 2; preferably, the height of the side wall on the inner side of the plug-in slot 3 can also be consistent with the height of the plug-in part 5, so as to facilitate the conductive wire harness 8 to enter the sealed channel and extend the length of the conductive wire harness 8 in the sealed channel, which is conducive to better sealing and fixing the conductive wire harness 8 to the shell 4.

[0041] Furthermore, the conductive wiring harness 8 includes a plurality of conductive wires, and a number of pins 13 that is the same as the number of the conductive wires is fixed in the shell 4, and the conductive wires are connected one-to-one with the pins 13. A connector 14 that cooperates with the pins 13 is provided on the sensor chip 7, and the pin 13 is electrically connected to the sensor chip 7 through the connector 14; the conductive wiring harness 8 is electrically connected through the arranged pins 13, and the pins 13 and the conductive wiring harness 8 are both fixed on the shell 4, and it is simple and convenient to form an electrical connection between the two. The arranged pins 13 cooperate with the connector 14, and the pins 13 are inserted into the connector 14 while the plug-in portion 5 is inserted into the plug-in slot 3, so that the installation of the shell 4 and the base 1 and the electrical connection between the conductive wiring harness 8 and the sensor chip 7 are completed in one step, and the installation is simpler; the plugging and unplugging direction of the pin 13 is consistent with the plugging and unplugging direction of the plug-in portion 5.

[0042] Furthermore, the connector 14 includes a number of sockets 141 that is the same as the number of pins 13. The sockets 141 are tightly fitted with the pins 13. An electrical contact portion 142 that is electrically connected to the sensor chip 7 is provided at the bottom of the socket 141. The pins 13 are pressed against the electrical contact portion 142 to form an electrical connection. The sockets 141 are provided for plugging and fitting with the pins 13, so that the pins 13 can be pressed against the electrical contact portion 142 to form an electrical connection with the sensor chip 7.

[0043] Furthermore, a conductive spring 143 is provided between the plug pin 13 and the electrical contact portion 142. The top of the conductive spring 143 abuts against the plug pin 13, and the bottom abuts against the electrical contact portion 142. By providing the conductive spring 143 between the plug pin 13 and the electrical contact portion 142, the plug pin 13 and the electrical contact portion 142 are electrically connected through the conductive spring 143, which can prevent the plug pin 13 from being disconnected from the electrical contact portion 142 due to loosening, thereby improving the stability of the electrical connection between the plug pin 13 and the electrical contact portion 142.

[0044] Furthermore, the bottom of the pin 13 is in an inverted cone shape, and the upper part of the conductive spring 143 is in an inverted cone shape that matches the shape of the bottom of the pin 13, which can increase the contact area between the pin 13 and the conductive spring 143, thereby improving the conductive effect between the pin 13 and the conductive spring 143.

[0045] Furthermore, a positioning column 15 is provided on the base 1 , and a positioning hole cooperating with the positioning column 15 is opened on the sensor chip 7 for positioning the sensor chip 7 , so as to facilitate the subsequent fixing of the sensor chip 7 to the surrounding frame 2 .

[0046] Assembly steps: Apply the sealant 6 in the plug-in slot 3, align the plug-in part 5 with the plug-in slot 3 and insert it to complete the assembly.

[0047] During the above assembly process, the conductive wire harness 8 is bent and guided into the overflow glue groove 12; the sealant 6 is squeezed by the plug-in portion 5, fills the sealing groove 9, and is squeezed into the adhesive groove 10 and the overflow glue groove 12, so as to realize the bonding and fixation between the sensor chip 7 and the surrounding frame 2, and realize the sealing and fixation between the conductive wire harness 8 and the plug-in portion 5 of the shell 4; while the plug-in portion 5 is inserted into the plug-in slot 3, the pin 13 is also inserted into the socket 141, so that the conductive wire harness 8 and the sensor chip 7 are electrically connected.

[0048] It should be noted that although the present invention is disclosed as above by specific embodiments, the above embodiments are not intended to limit the present invention. Ordinary technicians in this field can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be based on the scope defined in the claims.

Claims

1. A posture inclination sensor, characterized in that: include: The base has a raised edge to form an annular surrounding frame, and the top surface of the surrounding frame is provided with an annular plug-in groove along its contour; A housing, wherein the bottom of the housing protrudes inwardly to form an annular plug-in portion that is plugged into the plug-in slot, and the plug-in portion and the plug-in slot are sealed and fixed by a sealant; A sensor chip is installed in the enclosure, and the sensor chip is connected to a conductive harness, and the conductive harness is sealed and passed through the shell to the outside of the shell to electrically connect the sensor chip with an external device.

2. The attitude inclination sensor according to claim 1, characterized in that: The outer surface of the shell is aligned with the outer surface of the surrounding frame to form a flat plane.

3. The attitude inclination sensor according to claim 1, characterized in that: A ring-shaped sealing groove is arranged at the bottom of a side wall of the plug-in slot close to the sensor chip, and the sealing groove is filled with sealing glue.

4. The attitude inclination sensor according to claim 3, characterized in that: The inner side wall of the frame is provided with a plurality of bonding grooves, and the frame is provided with a glue overflow channel, the glue overflow channel connects the bonding groove and the sealing groove, and when the sealant in the plug-in groove is squeezed by the plug-in part, it enters into the bonding groove through the sealing groove and the glue overflow channel, so as to fix the sensor chip to the frame.

5. The attitude inclination sensor according to claim 3, characterized in that: The side wall of the plug-in slot close to the sensor chip is provided with a glue overflow groove connected with the sealing groove. The glue overflow groove is vertically arranged and its position corresponds to the position of the conductive wire bundle. The conductive wire bundle is passed through the side wall of the plug-in part to the outside of the shell. When the plug-in part is inserted into the plug-in slot, the glue overflow groove bends the conductive wire bundle so that the conductive wire is surrounded by the glue overflow groove and the side wall of the plug-in part, and the sealant in the plug-in slot is squeezed by the plug-in part, enters the glue overflow groove through the sealing groove, and seals and fixes the conductive wire bundle to the plug-in part.

6. The attitude inclination sensor according to claim 1, characterized in that: The conductive wire harness includes multiple strands of conductive wires, and the shell is fixed with pins whose number is the same as the number of the conductive wires. The conductive wires are connected to the pins in a one-to-one correspondence. The sensor chip is provided with a connector that cooperates with the pins, and the pins are electrically connected to the sensor chip through the connector; the plugging and unplugging direction of the pins is consistent with the plugging and unplugging direction of the connector.

7. The attitude inclination sensor according to claim 6, characterized in that: The connector includes sockets whose number is the same as the number of the pins, the sockets are tightly matched with the pins, and an electrical contact portion electrically connected to the sensor chip is provided at the bottom of the socket, and the pins are pressed against the electrical contact portion to form an electrical connection.

8. The attitude inclination sensor according to claim 7, characterized in that: A conductive spring is provided between the plug pin and the electrical contact portion, wherein the top of the conductive spring abuts against the plug pin, and the bottom of the conductive spring abuts against the electrical contact portion.

9. The attitude inclination sensor according to claim 8, characterized in that: The bottom of the plug pin is in an inverted cone shape, and the upper portion of the conductive spring is in an inverted cone shape matching the shape of the bottom of the plug pin.

10. The attitude inclination sensor according to claim 1, characterized in that: The base is provided with a positioning column, and the sensor chip is provided with a positioning hole matched with the positioning column.

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