CN208060745U - A kind of gravity sensor test platform - Google Patents
A kind of gravity sensor test platform Download PDFInfo
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- CN208060745U CN208060745U CN201820609479.2U CN201820609479U CN208060745U CN 208060745 U CN208060745 U CN 208060745U CN 201820609479 U CN201820609479 U CN 201820609479U CN 208060745 U CN208060745 U CN 208060745U
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Abstract
The utility model discloses a kind of gravity sensor test platform, including horizontal checkout platform, babinet and correct system to the levelness for correcting horizontal testboard levelness；Levelness corrects system：Universal fixing axle, electronic micro-adjusting mechanism, electronic gyroscope and control unit；Horizontal checkout platform is placed on the top of babinet, and universal fixing axle, electronic micro-adjusting mechanism and control unit are each provided at box house.Gravity sensor test platform provided by the utility model can voluntarily be corrected the levelness of horizontal checkout platform, improve the correction efficiency and correction accuracy of horizontal checkout platform.
Description
Technical Field
The utility model belongs to gravity sensor testing arrangement design field especially relates to a gravity sensor test platform.
Background
The gravity sensor adopts an elastic sensitive element to manufacture a cantilever type displacer and an energy storage spring manufactured by the elastic sensitive element to drive an electric contact, so that the conversion from the gravity change to an electric signal is completed. At present, most of middle and high-end smart phones and tablet computers are internally provided with gravity sensors, such as apple series products iPhone and iPad, Android series mobile phones and the like.
After the mobile phone is provided with the sensor, the mobile phone can have a plurality of intelligent functions. For example, the number of steps a carrier walks every day can be measured, the screen can automatically rotate when the mobile phone is horizontal or vertical, and the up-down and left-right operation can be replaced when the mobile phone plays games. Due to individual differences of the sensors, the mobile phone mounted with the sensors needs to be tested and parameter adjusted.
When the gravity sensor is tested, the mobile phone needs to be placed on a test platform for testing. With the rapid development of the technology and the continuous improvement of the requirements of the user on the use effect of the mobile phone, the gravity sensor which has a great influence on the user experience naturally needs to be tested more strictly. Meanwhile, with the increase of the production quantity of the mobile phones, the testing efficiency of the gravity sensor also needs to be improved. Therefore, there is a need to improve the levelness of the test platform on the one hand and to provide a test bench capable of automatically correcting the levelness on the other hand.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a gravity sensor test platform, its levelness that can rectify the testboard by oneself.
In order to solve the above problem, the technical scheme of the utility model is that:
a gravity sensor test platform comprises a horizontal test platform, a box body and a levelness correction system, wherein the levelness correction system is used for correcting the levelness of the horizontal test platform; the levelness correction system includes:
the universal fixed shaft is arranged in a first end angle area of the horizontal test bench, and the first end angle area is a right-angle area formed by the intersection of a first long edge and a first short edge of the horizontal test bench;
the electric fine adjustment mechanism is used for fine adjusting the heights of the second long edge and the second short edge of the horizontal test bench;
the electronic gyroscope is arranged at the central position of the horizontal test bench and used for detecting the levelness parameter of the horizontal test bench in real time; and the number of the first and second groups,
the control unit is used for acquiring the levelness parameter detected by the electronic gyroscope and sending a pulse signal to the electric fine adjustment mechanism according to the levelness parameter and the levelness parameter standard value; the pulse signals comprise an X-direction height fine adjustment value pulse signal and a Y-direction height fine adjustment value pulse signal;
the horizontal test bench is placed on the upper portion of the box body, and the universal fixed shaft, the electric fine adjustment mechanism and the control unit are all arranged inside the box body.
According to an embodiment of the present invention, the number of the electric fine adjustment mechanisms is two, and the electric fine adjustment mechanisms are divided into an X-direction electric fine adjustment mechanism and a Y-direction electric fine adjustment mechanism; wherein,
the X-direction electric fine adjustment mechanism is arranged in the middle of the second long edge of the bottom surface of the horizontal test bench and used for adjusting the X-direction levelness of the horizontal test bench;
the Y-direction electric fine adjustment mechanism is arranged in the middle of the second short side of the bottom surface of the horizontal test bench and used for adjusting the levelness of the horizontal test bench in the Y direction.
According to the utility model discloses an embodiment, electronic fine-tuning includes: a stepping motor and a transmission part; wherein,
the stepping motor receives the pulse signal sent by the control unit and acts according to the pulse signal;
one end of the transmission part is connected with the rotating shaft of the stepping motor, the other end of the transmission part is connected with the bottom surface of the horizontal test bench, and the rotation of the rotating shaft of the stepping motor is converted into linear motion along the height direction.
According to the utility model discloses an embodiment, transmission portion includes screw rod, nut and universal bearing, universal bearing's shaft coupling with step motor's pivot is connected, universal bearing's thread end with the one end of screw rod is connected, the other end of screw rod with the nut is connected, the up end of nut with horizontal test platform's bottom surface is connected.
According to an embodiment of the present invention, a level gauge is disposed on the upper surface of the horizontal test platform; the gradienter is used for visually inspecting the levelness of the horizontal test bench in the X direction and the Y direction.
According to an embodiment of the present invention, the level comprises an X-direction level and a Y-direction level;
wherein,
the X-direction level gauge is arranged at a position corresponding to the Y-direction electric fine adjustment mechanism;
the Y-direction level meter is arranged at a position corresponding to the X-direction electric fine adjustment mechanism.
According to the utility model discloses an embodiment, the outside of box is equipped with human-computer interface, human-computer interface with the control unit electric connection.
According to the utility model discloses an embodiment, the control unit is PLC control system.
The utility model discloses owing to adopt above technical scheme, make it compare with prior art and have following advantage and positive effect:
1) the utility model discloses a gravity sensor test platform includes a levelness calbiration system, and the levelness calbiration system can real-time detection horizontal test platform's levelness to correct horizontal test platform's levelness by oneself, improved horizontal test platform's correction efficiency.
2) The electronic gyroscope is used for detecting the levelness parameter of the horizontal test bench, so that the detection precision is higher.
3) Through the ingenious position design of universal fixed axle, the electronic fine-tuning of X direction and the electronic fine-tuning of Y direction for X direction and the Y direction of horizontal test platform can be adjusted simultaneously to levelness calbiration system.
4) The conversion from the rotation of the motor rotating shaft to the linear motion of the transmission part is realized by using the transmission part consisting of the screw rod, the nut and the universal bearing.
Drawings
Fig. 1 is a structural view of a gravity sensor test platform according to the present invention;
fig. 2 is a diagram of a levelness calibration system of a gravity sensor testing platform according to the present invention.
Description of reference numerals:
1: a horizontal test bench; 2: a universal fixed shaft; 3: an electronic gyroscope; 4: a control unit; 5: an X-direction electric fine adjustment mechanism; 6: a Y-direction electric fine adjustment mechanism; 7: a stepping motor; 8: a transmission section; 81: a screw; 82: a nut; 83: a universal bearing; 9: an X-direction level; 10: a Y-direction level; 11: a human-computer interaction interface; 12: a middle support plate; 13: a base of the box body.
Detailed Description
The following describes a gravity sensor testing platform according to the present invention in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims.
Example 1
Referring to fig. 1 and 2, a gravity sensor testing platform includes a horizontal testing platform 1, a box (not shown), and a levelness calibration system for calibrating levelness of the horizontal testing platform 1; the levelness correction system includes: the universal fixed shaft 2 is arranged in a first end corner area of the horizontal test bench 1, and the first end corner area is a right-angle area formed by the intersection of a first long edge and a first short edge of the horizontal test bench 1; the electric fine adjustment mechanism is used for fine adjusting the heights of the second long edge and the second short edge of the horizontal test bench 1; the electronic gyroscope 3 is arranged at the central position of the test platform and used for detecting the levelness parameter of the horizontal test platform 1 in real time; the control unit 4 is used for acquiring the levelness parameter detected by the electronic gyroscope 3 and sending a pulse signal to the electric fine adjustment mechanism according to the levelness parameter and the levelness parameter standard value; the pulse signals comprise an X-direction height fine adjustment value pulse signal and a Y-direction height fine adjustment value pulse signal; the horizontal test bench 1 is placed on the upper portion of the box body, and the universal fixed shaft 2, the electric fine adjustment mechanism and the control unit 4 are all arranged inside the box body.
The level correction system of the gravity sensor test platform in the embodiment is provided with the electronic gyroscope 3 at the central position of the horizontal test platform 1, the electronic gyroscope 3 detects the levelness parameter of the horizontal test platform 1 in real time, and compared with the use of a level meter for visual inspection, the detection precision of the electronic gyroscope 3 is higher. The control unit 4 collects levelness parameters detected by the electronic gyroscope 3 and then compares the levelness parameters with standard levelness parameter values, calculates the linear distance of one side of the horizontal test bench 1 which needs to be finely adjusted according to the difference value (levelness angle deviation value) between the detected levelness parameters and the standard values, sends a finely adjusted pulse signal to the electric fine adjustment mechanism according to the linear distance which needs to be finely adjusted, and raises or lowers the height of one side of the horizontal test bench 1 by the electric fine adjustment mechanism. It can be known that the above-mentioned correction process does not need artifical the participation, can rectify the levelness of horizontal test platform 1, has improved the correction efficiency of horizontal test platform 1. And the electronic gyroscope 3 is used for detecting the levelness parameter of the horizontal test bench 1, the detection precision is higher, and the levelness for further correction is also higher.
Preferably, in one embodiment, the number of the electric fine adjustment mechanisms is two, and the electric fine adjustment mechanisms are divided into an X-direction electric fine adjustment mechanism 5 and a Y-direction electric fine adjustment mechanism 6; the X-direction electric fine adjustment mechanism 5 is arranged in the middle of the second long edge of the bottom surface of the horizontal test bench 1; the Y-direction electric fine adjustment mechanism 6 is arranged in the middle of the second short side of the bottom surface of the horizontal test bench 1.
It can be understood that universal fixed shaft 2 is established in the crossing right angle region that forms of the first long limit of horizontal test platform 1 and first minor face, sets up electronic fine-tuning respectively again in the intermediate position department of the second long limit of horizontal test platform 1 bottom surface and second minor face, utilizes the design in this kind of position, combines the structure of universal fixed shaft 2 itself again for the levelness correction system can adjust the X direction of horizontal test platform 1 and the levelness of Y direction simultaneously.
Furthermore, a level gauge is arranged on the upper surface of the horizontal test bench 1; the gradienter is used for carrying out visual inspection on levelness of the horizontal test bench 1 in the X direction and the Y direction. A level gauge is a common gauge for measuring small angles. In the mechanical industry and in instrument manufacturing, the device is used for measuring the inclination angle relative to the horizontal position, the flatness and the straightness of a guide rail of machine tool equipment, the horizontal position and the vertical position of equipment installation and the like. The appearance according to the spirit level can be divided into: universal gradienter, cylindrical gradienter, integrated gradienter, mini gradienter, camera gradienter, frame gradienter and ruler gradienter; the fixing mode of the water level can be divided into: adjustable spirit levels and non-adjustable spirit levels. The specific type of the level in this embodiment is not limited, but it should be able to measure the levelness of the horizontal test stand 1 in the X direction and the Y direction. The number of the gradienters can be one, and the single gradienter can simultaneously measure the levelness in the X direction and the Y direction; the number of the gradienters can also be two, and levelness in the X direction and levelness in the Y direction are measured respectively. Specifically, the gradienters include an X-direction gradienter 9 and a Y-direction gradienter 10; wherein, the X-direction level gauge 9 is arranged at the position corresponding to the Y-direction electric fine adjustment mechanism 6; the Y-direction level 10 is provided at a position corresponding to the X-direction electric fine adjustment mechanism 5. It can be understood that whether the levelness of the horizontal test bench 1 has large deviation can be determined by manual visual means through arranging the X-direction gradienters 9 and the Y-direction gradienters 10. In some cases of large deviation, it may be that a certain component of the levelness correction system has failed, so that a worker can be reminded to overhaul the levelness correction system in time.
Furthermore, a man-machine interaction interface 11 is arranged on the outer side of the box body, and the man-machine interaction interface 11 is electrically connected with the control unit 4. Specifically, the control unit 4 is a PLC control system. In the specific design, the electronic gyroscope 3 is in serial port communication with the PLC through a cable, the PLC conducts high-frequency acquisition on the parameters of the electronic gyroscope 3, the parameters are compared with the standard values in the X direction and the Y direction which are built in the PLC in a difference mode, and then the difference values are converted into the lifting height of the electric fine adjustment mechanism in the X direction or the Y direction through a specific algorithm. And the human-computer interaction interface 11 can display data acquisition or related parameters of the horizontal test bench 1 in real time, such as scanning frequency of the electronic gyroscope 3 by the PLC, accuracy of horizontal calibration and the like. Of course, the relevant parameters can also be set through the human-computer interaction interface 11.
Example 2
This embodiment provides an electric fine adjustment mechanism including a stepping motor 7 and a transmission part 8 based on embodiment 1, and the rest is the same as or similar to embodiment 1, and will not be described herein again.
The stepping motor 7 receives a pulse signal sent by the control unit 4, and specifically, the PLC control system calculates a linear distance to be finely adjusted on one side of the horizontal test bench 1 according to a difference (a levelness angle deviation value) between a detected levelness parameter and a standard value; calculating a pulse signal to be sent out according to the linear distance to be finely adjusted and by combining the step pitch of the stepping motor 7 and the conversion relation between the rotation quantity and the linear motion quantity of the transmission part 8; one end of the transmission part 8 is connected with the rotating shaft of the stepping motor 7, the other end of the transmission part 8 is connected with the bottom surface of the horizontal test bench 1, and the rotation of the rotating shaft of the stepping motor 7 is converted into the linear motion of the transmission part 8 in the height direction. The stepping motor 7 can be arranged on the box base 13, and also can be arranged on an intermediate support plate 12 between the box base 13 and the horizontal test bench 1.
Specifically, the transmission part 8 includes a screw 81, a nut 82, and a universal bearing 83, a coupler of the universal bearing 83 is connected to the rotating shaft of the stepping motor 7, a thread end of the universal bearing 83 is connected to one end of the screw 81, the other end of the screw 81 is connected to the nut 82, and an upper end surface of the nut 82 is connected to the bottom surface of the horizontal test platform 1. The rotating shaft of the stepping motor 7 drives the screw 81 to rotate, and as the screw 81 is connected with the nut 82 through a thread, the nut 82 moves linearly when the screw 81 rotates.
The transmission part 8 provided by the embodiment converts the rotation of the screw 81 into the linear motion of the nut 82 through the matching of the screw 81 and the nut 82, thereby realizing the adjustment of the levelness of the horizontal test bench 1; the rotating shaft of the stepping motor 7 drives the screw rod 81 to rotate, and the pulse signal for controlling the rotation quantity of the stepping motor 7 is obtained by accurately calculating the linear distance finely adjusted according to the requirement and the motion quantity conversion parameter of the electric fine adjustment mechanism by the PLC control system, so that the fine adjustment accuracy of the electric fine adjustment mechanism is higher, and the effect is better.
Although the present embodiment only shows a specific implementation of the transmission part 8, it should be appreciated that there are various implementations of converting the rotation into the linear motion, for example, a screw pair structure may be adopted, and the specific arrangement thereof will not be described in detail herein.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, the changes are still within the scope of the present invention if they fall within the scope of the claims and their equivalents.
Claims (8)
1. A gravity sensor test platform is characterized by comprising a horizontal test platform, a box body and a levelness correction system, wherein the levelness correction system is used for correcting the levelness of the horizontal test platform; the levelness correction system includes:
the universal fixed shaft is arranged in a first end angle area of the horizontal test bench, and the first end angle area is a right-angle area formed by the intersection of a first long edge and a first short edge of the horizontal test bench;
the electric fine adjustment mechanism is used for fine adjusting the heights of the second long edge and the second short edge of the horizontal test bench;
the electronic gyroscope is arranged at the central position of the horizontal test bench and used for detecting the levelness parameter of the horizontal test bench in real time; and the number of the first and second groups,
the control unit is used for acquiring the levelness parameter detected by the electronic gyroscope and sending a pulse signal to the electric fine adjustment mechanism according to the levelness parameter and the levelness parameter standard value; the pulse signals comprise an X-direction height fine adjustment value pulse signal and a Y-direction height fine adjustment value pulse signal;
the horizontal test bench is placed on the upper portion of the box body, and the universal fixed shaft, the electric fine adjustment mechanism and the control unit are all arranged inside the box body.
2. The gravity sensor testing platform according to claim 1, wherein the number of the electric fine adjustment mechanisms is two, and the electric fine adjustment mechanisms are divided into an X-direction electric fine adjustment mechanism and a Y-direction electric fine adjustment mechanism; wherein,
the X-direction electric fine adjustment mechanism is arranged in the middle of the second long edge of the bottom surface of the horizontal test bench and used for adjusting the X-direction levelness of the horizontal test bench;
the Y-direction electric fine adjustment mechanism is arranged in the middle of the second short side of the bottom surface of the horizontal test bench and used for adjusting the levelness of the horizontal test bench in the Y direction.
3. The gravity sensor test platform of claim 2, wherein the motorized fine adjustment mechanism comprises: a stepping motor and a transmission part; wherein,
the stepping motor receives the pulse signal sent by the control unit and acts according to the pulse signal;
one end of the transmission part is connected with the rotating shaft of the stepping motor, the other end of the transmission part is connected with the bottom surface of the horizontal test bench, and the rotation of the rotating shaft of the stepping motor is converted into linear motion along the height direction.
4. The gravity sensor test platform according to claim 3, wherein the transmission part comprises a screw rod, a nut and a universal bearing, a coupler of the universal bearing is connected with a rotating shaft of the stepping motor, a thread end of the universal bearing is connected with one end of the screw rod, the other end of the screw rod is connected with the nut, and an upper end surface of the nut is connected with a bottom surface of the horizontal test platform.
5. The gravity sensor test platform according to claim 2, wherein the upper surface of the horizontal test platform is provided with a level gauge; the gradienter is used for visually inspecting the levelness of the horizontal test bench in the X direction and the Y direction.
6. The gravity sensor test platform of claim 5, wherein said levels comprise an X-direction level and a Y-direction level;
wherein,
the X-direction level gauge is arranged at a position corresponding to the Y-direction electric fine adjustment mechanism;
the Y-direction level meter is arranged at a position corresponding to the X-direction electric fine adjustment mechanism.
7. The gravity sensor testing platform according to any one of claims 1 to 6, wherein a human-computer interface is arranged on the outer side of the box body, and the human-computer interface is electrically connected with the control unit.
8. The gravity sensor test platform according to any one of claims 1 to 6, wherein the control unit is a PLC control system.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114326412A (en) * | 2020-09-30 | 2022-04-12 | 深圳市瑞图生物技术有限公司 | Coordinate debugging method, coordinate debugging system and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114326412A (en) * | 2020-09-30 | 2022-04-12 | 深圳市瑞图生物技术有限公司 | Coordinate debugging method, coordinate debugging system and storage medium |
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