CN220709185U - Acceleration sensor batch configuration device - Google Patents

Abstract

The utility model discloses an acceleration sensor batch configuration device, which comprises a rotating mechanism arranged on a base, wherein an installation platform is arranged on the rotating mechanism, a lifting mechanism and an installation plate for installing a test plate are arranged on the installation platform, a configuration plate is arranged on the lifting mechanism, a level gauge is also arranged on the installation plate, a supporting leg with adjustable height is arranged at the bottom of the base, a control unit is arranged in the base, an angle detection unit is also arranged on the rotating mechanism, the output end of the control unit is connected with the control end of the rotating mechanism, and the angle detection unit is connected with the information acquisition end of the control unit. The utility model can carry out batch configuration on the acceleration sensor and ensure higher configuration precision.

Description

Acceleration sensor batch configuration device

Technical Field

The utility model relates to the field of chip configuration, in particular to a batch configuration device for an acceleration sensor.

Background

The acceleration sensor of a certain model is shown in fig. 1, the direction of a sensitive axis for measuring acceleration is the Z axis direction, the sensor is configured to enable the angle of the sensitive axis relative to the horizontal plane to be respectively overturned from +90 degrees to 0 degrees and then overturned to-90 degrees, and calibration data acquisition is carried out on the three positions, so that the scale and zero position data actually required to be configured for the sensor are calculated.

The conventional configuration method is to install the acceleration sensor in the fixture shown in fig. 2, install the fixture on a special configuration circuit board, press the buckle A2 to open the fixture, put the acceleration sensor in the groove A4 and close the upper cover A5 of the fixture, then rotate the knob A1, move the jack in the upper cover downwards to press the acceleration sensor downwards, so that the pins of the acceleration sensor are reliably contacted with the ejector pins in the groove A4, and configure the acceleration sensor in the fixture after reliable electrical connection of the acceleration sensor and the configuration circuit is realized. According to the scheme, the clamp pressure and the thimble pressure are both in the Z-axis direction of the sensitive axis, so that uncertain force is comprehensively generated, and the accuracy of the acceleration sensor is influenced. In addition, in the test process, the test fixture is manually turned over, so that the Z axis cannot be accurately positioned at three positions of +90 degrees and 0 degrees to-90 degrees, and the acceleration sensor is incorrectly configured.

Patent CN219169836U discloses an acceleration chip configuration tool, as shown in fig. 3, an acceleration chip is welded on a circuit board, the circuit board is jointed to form a test board B1, the test board B1 is provided with jacks corresponding to pins of the acceleration chip one by one, each pin of the acceleration chip is connected with a corresponding jack, and a contact pin of a configuration board B2 is inserted into the corresponding jack of the test board B1 to complete batch configuration of the acceleration chip, but the scheme only overcomes the influence of external stress on a sensor.

Therefore, a device capable of improving the arrangement accuracy of the acceleration sensor is needed.

Disclosure of Invention

The technical problem to be solved by the utility model is as follows: aiming at the technical problems existing in the prior art, the utility model provides a batch configuration device for acceleration sensors, which can carry out batch configuration on the acceleration sensors and can ensure higher configuration precision.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows:

the utility model provides an acceleration sensor disposes device in batches, includes the slewing mechanism who sets up on the base, be equipped with mounting platform on the slewing mechanism, be equipped with elevating system on the mounting platform and be used for installing the mounting panel of test board, install the configuration board on the elevating system, still install the spirit level on the mounting panel, the bottom of base is equipped with highly adjustable supporting legs, base internally mounted has control unit, still install angle detection unit on the slewing mechanism, control unit's output and slewing mechanism's control end are connected, angle detection unit and control unit's information acquisition end are connected.

Optionally, the supporting legs include the bolt, every summit in bottom of base is equipped with the screw hole respectively, the bolt inserts respectively and locates in the screw hole that corresponds and with corresponding screw hole screw-thread fit, the tip of bolt still is equipped with the nut.

Optionally, the support that sets up about installing at the top of base, slewing mechanism including set up in pivot between the support, angle detection unit including set firmly in photoelectric switch on arbitrary support, and set firmly in pivot on the light screen, the light screen presss from both sides to be located between photoelectric switch's the light source and the light receiver, just be equipped with the through-hole on the light screen, when the light screen rotates and the through-hole reaches between photoelectric switch's the light source and the light receiver along with the pivot, photoelectric switch feedback signal.

Optionally, the rotating mechanism comprises a motor arranged in the base, the output end of the control unit is connected with the control end of the motor, and the motor is connected with the rotating shaft through a transmission mechanism.

Optionally, the drive mechanism includes first belt pulley, second belt pulley and belt, first belt pulley is connected with the axis of rotation of motor, second belt pulley is connected with the end connection of pivot, the outside of first belt pulley and second belt pulley is located to the belt cover.

Optionally, the transmission mechanism further comprises a pulley, a sliding groove is arranged on the support close to the belt, and the pulley is arranged in a sliding manner along the sliding groove and is in contact with the belt.

Optionally, elevating system includes handle, connecting rod, push rod, spout and slider, the spout is vertical to be set up on mounting platform's vertical board, the slider is arranged along spout sliding, the tip of push rod is connected with the configuration board, just the configuration board is connected with the slider, the handle is articulated with vertical board, just the both ends of connecting rod are articulated with handle and push rod respectively.

Optionally, the base includes apron and box, the apron passes through the hinge and is connected with the box, the box is internal to be equipped with flexible vaulting pole, just the both ends of flexible vaulting pole are connected with apron and box respectively.

Optionally, the inside power supply unit that is equipped with of base, the surface of base is equipped with the switch, power supply unit is connected with the power supply end of control unit, slewing mechanism respectively through the switch.

Optionally, an operation button is arranged on the outer surface of the base, and the operation button is connected with the input end of the control unit.

Compared with the prior art, the utility model has the advantages that:

according to the utility model, the supporting legs with adjustable height are arranged at the bottom of the base, and the level meter is arranged on the mounting platform, so that the chip to be configured can be ensured to be in an absolute horizontal position by observing the level meter and adjusting the supporting legs before starting a test.

The angle detection unit is arranged on the rotating mechanism, and the rotating mechanism is controlled by a motor, so that the Z axis can be accurately positioned at three positions of +90 degrees, 0 degrees and-90 degrees in the configuration process.

Drawings

Fig. 1 is a schematic diagram of the direction of the sensitive axis of the acceleration sensor.

Fig. 2 is a schematic view of an acceleration sensor configuration fixture.

Fig. 3 is a schematic diagram of a conventional acceleration chip configuration tool.

Fig. 4 is a front perspective view of an embodiment of the present utility model.

Fig. 5 is a rear perspective view of an embodiment of the present utility model.

Fig. 6 is an enlarged view of an angle detecting unit according to an embodiment of the present utility model.

Fig. 7 is a side view of an embodiment of the present utility model.

Fig. 8 is a block diagram of electrical connections according to an embodiment of the present utility model.

Fig. 9 is a diagram showing an internal structure of a base according to an embodiment of the present utility model.

Fig. 10 is a cross-sectional view of a base of an embodiment of the present utility model.

Legend description: 1-base, 11-cover plate, 12-box, 2-rotating mechanism, 21-rotating shaft, 22-mounting block, 23-motor, 24-driving mechanism, 241-first belt pulley, 242-second belt pulley, 243-belt, 244-pulley, 3-mounting platform, 31-vertical plate, 32-horizontal plate, 4-elevating mechanism, 41-handle, 42-connecting rod, 43-push rod, 44-slide rail, 45-slide block, 5-mounting plate, 51-level, 6-configuration plate, 7-supporting leg, 71-bolt, 72-nut, 8-angle detection unit, 81-photoelectric switch, 82-light shielding plate, 101-control unit, 102-bracket, 103-telescopic stay, 104-power supply unit, 105-switch, 106-operation button.

Detailed Description

The utility model is further described below in connection with the drawings and the specific preferred embodiments, but the scope of protection of the utility model is not limited thereby.

As shown in fig. 4 and 5, this embodiment provides an acceleration sensor batch configuration device, including the slewing mechanism 2 that sets up on base 1, be equipped with mounting platform 3 on the slewing mechanism 2, be equipped with elevating system 4 on the mounting platform 3 and be used for installing the mounting panel 5 of test board, install configuration board 6 on the elevating system 4, configuration board 6 is parallel with mounting panel 5 and set up in the top of mounting panel 5, still install level gauge 51 on the mounting panel 5, the bottom of base 1 is equipped with height-adjustable's supporting legs 7. Considering that the device of the present embodiment needs to be mounted on a table or other plane for sensor configuration, but these planes may not be flat planes, so by observing the level 51 and adjusting the height of the supporting legs 7, it is possible to ensure that the chip to be configured in the test board mounted on the mounting board 5 is in an absolute horizontal position, so as to avoid environmental errors.

As shown in fig. 10, the supporting leg 7 in the present embodiment includes bolts 71, each vertex of the bottom of the base 1 is provided with a threaded hole, and the bolts 71 are respectively inserted into and threadedly engaged with the corresponding threaded holes, so that the distance of the end of the bolts 71 with respect to the bottom of the base 1 can be adjusted by rotating the bolts in a clockwise or counterclockwise direction. In order to facilitate the adjustment operation, the end of the bolt 71 in this embodiment is further provided with a nut 72, which is convenient for the adjustment operation and also can limit the position, so as to avoid the bolt 71 from being separated from the corresponding threaded hole due to excessive rotation in the adjustment process.

As shown in fig. 5 and 8, in order to ensure that the Z axis of the acceleration sensor accurately reaches the 0 degree position during the test. The base 1 of this embodiment internally mounted has a control unit 101, and the control unit 101 can adopt singlechip or PLC controller to can carry out data interaction with the host computer, the configuration board 6 is connected through the control unit 101 to the host computer, still installs angle detection unit 8 on the slewing mechanism 2, and the output of control unit 101 is connected with the control end of slewing mechanism 2, and angle detection unit 8 is connected with the information acquisition end of control unit 101. Specifically, as shown in fig. 3 to 6, the top of the base 1 in this embodiment is provided with a left-right bracket 102, the rotating mechanism 2 includes a rotating shaft 21 disposed between the brackets 102, the angle detecting unit 8 includes a photoelectric switch 81 fixedly disposed on any bracket 102, and a light shielding plate 82 fixedly disposed on the rotating shaft 21, the photoelectric switch 81 is connected with a signal collecting end of the control unit 101, the light shielding plate 82 is clamped between a light emitting source and a light receiving device of the photoelectric switch 81, a through hole is disposed on the light shielding plate 82, and when the light shielding plate 82 rotates along with the rotating shaft 21 and the through hole reaches between the light emitting source and the light receiving device of the photoelectric switch 81, the light emitting source and the light receiving device are conducted by a light path so that the photoelectric switch 81 generates a feedback signal.

In this embodiment, a through hole may be provided at a-90 degree position on the light shielding plate 82, and the photoelectric switch 81 is mounted on the bracket 102 at a position corresponding to 0 degree of the light shielding plate 82. When the control unit 101 receives the feedback signal of the photoelectric switch 81, it indicates that the acceleration sensor rotates to a 0 degree position along with the rotating mechanism 2, and at this time, the upper computer can collect calibration data at the position after receiving the feedback signal through the control unit 101.

Furthermore, the light shielding plate 82 may be further provided with a through hole at a position of 0 degrees, -90 degrees, and-180 degrees, respectively, so that when the control unit 101 receives the feedback signal from the photoelectric switch 81, it is indicated that the Z axis of the acceleration sensor is located at +90 degrees/turned to 0 degrees/turned to-90 degrees, and at this time, after the upper computer receives the feedback signal through the control unit 101, calibration data collection can be performed on the three positions, so as to calculate the scale and zero data actually required to be configured for the sensor.

In this embodiment, in order to achieve accurate control of the rotation process of the rotation mechanism 2, as shown in fig. 8 and 9, the rotation mechanism 2 includes a motor 23 provided inside the base 1, an output end of the control unit 101 is connected to a control end of the motor 23, and the motor 23 is connected to the rotation shaft 21 through a transmission mechanism 24. The motor 23 in this embodiment may be a stepper motor to meet the requirement of higher control accuracy.

As shown in fig. 5, 7 and 9, the transmission mechanism 24 in the present embodiment includes a first belt pulley 241, a second belt pulley 242 and a belt 243, the first belt pulley 241 is connected with the rotating shaft of the motor 23, the second belt pulley 242 is connected with the end of the rotating shaft 21, and the belt 243 is sleeved outside the first belt pulley 241 and the second belt pulley 242, so as to drive the rotating shaft 21 to rotate by using a simpler belt transmission structure.

In order to prevent the belt 243 from slipping, as shown in fig. 5 and 7, the transmission mechanism 24 in the present embodiment further includes a pulley 244, and a sliding groove is provided on the bracket 102 near the belt 243, the pulley 244 is slidably disposed along the sliding groove and contacts with the belt 243, and a limiting member is further provided at an end of the sliding groove, and the limiting member may be a screw, the end of the limiting member passes through the bracket 102 to enter the sliding groove and contacts with the pulley 244, so as to prevent the pulley 244 from being pushed away from the original position by the belt. Therefore, the position of the pulley 244 on the chute is adjusted by rotating the screw, thereby pressing the belt 243 and preventing the slipping phenomenon during the operation.

As shown in fig. 4 and 5, the mounting platform 3 in this embodiment includes a vertical plate 31 and a horizontal plate 32 which are vertically connected to each other, the rotating shaft 21 is provided with a mounting block 22, the horizontal plate 32 is arranged parallel to the mounting plate 5 and is respectively mounted on the upper and lower sides of the mounting block 22, and the lifting mechanism 4 is mounted on the vertical plate 31. Specifically, as shown in fig. 7, the lifting mechanism 4 of the present embodiment includes a handle 41, a connecting rod 42, a push rod 43, a slide rail 44 and a slider 45, the slide rail 44 is vertically disposed on the vertical plate 31 of the mounting platform 3, the slider 45 is slidably disposed along the slide rail 44, an end portion of the push rod 43 is connected with the configuration plate 6, the configuration plate 6 is connected with the slider 45, the handle 41 is hinged with the vertical plate 31, and two ends of the connecting rod 42 are respectively hinged with the handle 41 and the push rod 43. Through the structure, when the handle 41 is pulled down, the connecting rod 42 drives the push rod 43 to push down, so that the configuration board 6 is close to the test board on the mounting board 5, the contact pins on the configuration board 6 are inserted into corresponding insertion holes on the test board, and when the handle 41 is pulled up, the connecting rod 42 drives the push rod 43 to lift, so that the configuration board 6 is far away from the test board on the mounting board 5.

As shown in fig. 4 and 7, since the side of the configuration board 6 away from the test board is further provided with terminals, in this embodiment, a protection board may be further provided above the configuration board 6 to protect the terminals, and the protection board is also connected to the slider 45, so that the protection board and the configuration board 6 move together with the handle 41 being pulled up and pulled down. In addition, in order to avoid the situation that the configuration board 6 is too close to the test board and the acceleration sensor on the test board is extruded when the handle 41 is pulled down, the mounting board in this embodiment may be considered to be provided with a limit post, so that when the handle 41 is pulled down to a certain extent, the limit post is supported between the configuration board 6 and the test board, and at this time, the handle 41 cannot be continuously pulled down, so that a gap for accommodating the acceleration sensor is reserved between the configuration board 6 and the test board.

In this embodiment, since some main electronic components are disposed in the base 1, in order to facilitate maintenance, as shown in fig. 5 and 10, the base 1 of this embodiment includes a cover 11 and a case 12, the cover 11 is connected with the case 12 through a hinge, a telescopic stay 103 is disposed inside the case 12, and two ends of the telescopic stay 103 are respectively connected with the cover 11 and the case 12, and a lock catch can be disposed outside the case 12 to prevent the cover 11 from being accidentally opened.

In this embodiment, a power supply unit 104 is disposed inside the base 1, and as shown in fig. 4, a switch 105 is disposed on the outer surface of the base 1, and the power supply unit 104 is connected to the control unit 101 and the power supply end of the rotating mechanism 2 through the switch 105. The power supply unit 104 in this embodiment may be an ac/dc power converter with an external power supply, or may be a built-in power source such as a lithium battery, so as to improve portability of the device in this embodiment.

As shown in fig. 4, the outer surface of the base 1 is provided with an operation button 106, and the operation button 106 is connected to an input end of the control unit 101. Since the control unit 101 adopts a single chip microcomputer or a PLC controller, it can be internally programmed in advance to control the rotation of the motor 23. Therefore, in this embodiment, a plurality of operation buttons 106 may be adopted, where the operation buttons 106 are respectively connected to different interfaces of the input end of the control unit 101, and after the operation buttons 106 are pressed, the generated high level is input as an enable signal to the corresponding interface, so that the control unit 101 controls the motor 23 to act according to the enable signals of the different interfaces, such as forward rotation, reverse rotation, acceleration, deceleration, scram, and the like.

The operation of the device of this embodiment will be briefly described as follows:

the device is placed on a desktop, the upper computer is connected with the control unit 101, the upper computer is connected with the configuration board 6 through control, the switch 105 is turned on, the height of the supporting legs 7 is adjusted, the level 51 is observed, the level 51 is guaranteed to be at a 0-degree position (0 g position), the handle 41 is arranged on the mounting board 5, then the handle 41 is arranged, pins of the configuration board 6 are guaranteed to be inserted into corresponding jacks of the test board, the related operation buttons 106 are pressed, the rotating mechanism 2 drives the mounting platform 3 to start rotating, the upper computer configures all acceleration sensors on the test board, after the configuration is finished, the other related operation buttons 106 are pressed, the rotating mechanism 2 stops rotating and drives the mounting platform 3 to return to an original point position (+ 1g position), then the handle 41 is arranged, the pins of the configuration board 6 are guaranteed to be separated from the corresponding jacks of the test board, and finally the test board is removed from the mounting board 5. Thus, the configuration of all acceleration sensors on one test board is completed.

The foregoing is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. While the utility model has been described with reference to preferred embodiments, it is not intended to be limiting. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model shall fall within the scope of the technical solution of the present utility model.

Claims (10)

1. The utility model provides an acceleration sensor batched configuration device, its characterized in that, including setting up slewing mechanism (2) on base (1), be equipped with mounting platform (3) on slewing mechanism (2), be equipped with elevating system (4) on mounting platform (3) and be used for installing mounting panel (5) of test board, install configuration board (6) on elevating system (4), still install spirit level (51) on mounting panel (5), the bottom of base (1) is equipped with highly adjustable supporting legs (7), base (1) internally mounted has control unit (101), angle detection unit (8) are still installed on slewing mechanism (2), the output of control unit (101) is connected with the control end of slewing mechanism (2), angle detection unit (8) are connected with the information acquisition end of control unit (101).

2. The acceleration sensor batch configuration device according to claim 1, characterized in that the supporting feet (7) comprise bolts (71), each vertex of the bottom of the base (1) is provided with a threaded hole, the bolts (71) are respectively inserted into the corresponding threaded holes and are in threaded fit with the corresponding threaded holes, and the ends of the bolts (71) are further provided with nuts (72).

3. The acceleration sensor batch configuration device according to claim 1, wherein the top of the base (1) is provided with a left bracket and a right bracket (102), the rotating mechanism (2) comprises a rotating shaft (21) arranged between the brackets (102), the angle detection unit (8) comprises a photoelectric switch (81) fixedly arranged on any bracket (102), and a light shielding plate (82) fixedly arranged on the rotating shaft (21), the light shielding plate (82) is clamped between a light emitting source and a light receiving device of the photoelectric switch (81), a through hole is formed in the light shielding plate (82), and when the light shielding plate (82) rotates along with the rotating shaft (21) and the through hole reaches between the light emitting source and the light receiving device of the photoelectric switch (81), the photoelectric switch (81) feeds back signals.

4. An acceleration sensor batch configuration device according to claim 3, characterized in, that the rotating mechanism (2) comprises a motor (23) arranged inside the base (1), that the output end of the control unit (101) is connected with the control end of the motor (23), and that the motor (23) is connected with the rotating shaft (21) through a transmission mechanism (24).

5. The acceleration sensor batch configuration device of claim 4, characterized in that the transmission mechanism (24) comprises a first pulley (241), a second pulley (242) and a belt (243), the first pulley (241) is connected with the rotating shaft of the motor (23), the second pulley (242) is connected with the end of the rotating shaft (21), and the belt (243) is sleeved outside the first pulley (241) and the second pulley (242).

6. The acceleration sensor batch configuration device of claim 5, characterized in that the transmission mechanism (24) further comprises a pulley (244), a chute is provided on the bracket (102) near the belt (243), and the pulley (244) is slidably disposed along the chute and is in contact with the belt (243).

7. The acceleration sensor batch configuration device according to claim 1, characterized in that the lifting mechanism (4) comprises a handle (41), a connecting rod (42), a push rod (43), a slide rail (44) and a slide block (45), wherein the slide rail (44) is vertically arranged on a vertical plate (31) of the mounting platform (3), the slide block (45) is slidably arranged along the slide rail (44), the end part of the push rod (43) is connected with the configuration plate (6), the configuration plate (6) is connected with the slide block (45), the handle (41) is hinged with the vertical plate (31), and two ends of the connecting rod (42) are respectively hinged with the handle (41) and the push rod (43).

8. The acceleration sensor batch configuration device according to claim 1, characterized in that the base (1) comprises a cover plate (11) and a box body (12), the cover plate (11) is connected with the box body (12) through a hinge, a telescopic stay bar (103) is arranged inside the box body (12), and two ends of the telescopic stay bar (103) are respectively connected with the cover plate (11) and the box body (12).

9. The acceleration sensor batch configuration device according to claim 1, characterized in that a power supply unit (104) is arranged inside the base (1), a switch (105) is arranged on the outer surface of the base (1), and the power supply unit (104) is respectively connected with the control unit (101) and the power supply end of the rotating mechanism (2) through the switch (105).

10. The acceleration sensor batch configuration device according to claim 1, characterized in, that the outer surface of the base (1) is provided with an operation button (106), the operation button (106) being connected with the input of the control unit (101).