CN114814294A - Sensor testing device - Google Patents
Sensor testing device Download PDFInfo
- Publication number
- CN114814294A CN114814294A CN202210448123.6A CN202210448123A CN114814294A CN 114814294 A CN114814294 A CN 114814294A CN 202210448123 A CN202210448123 A CN 202210448123A CN 114814294 A CN114814294 A CN 114814294A
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- block
- sliding
- shell
- shock absorbing
- connecting block
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- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 230000035939 shock Effects 0.000 claims abstract description 33
- 230000000712 assembly Effects 0.000 claims description 18
- 238000000429 assembly Methods 0.000 claims description 18
- 238000005096 rolling process Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 17
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P21/00—Testing or calibrating of apparatus or devices covered by the preceding groups
- G01P21/02—Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a sensor testing device, which comprises a shell and a shock absorption device, wherein the shell is provided with a plurality of grooves; a rotor assembly is arranged in the shell and comprises a permanent magnet and a rotating shaft, one end of the rotating shaft is connected with one side surface of the permanent magnet, the other end of the rotating shaft penetrates through one side surface of the shell and is rotatably connected with the shell, and a through hole is formed in the other side surface of the permanent magnet; the input end of the shock absorbing device penetrates through the shell and is inserted into the through hole, and the input end of the shock absorbing device is abutted to the through hole; the body of the shock absorbing device is hinged with the shell. The invention solves the problems of low detection efficiency and large error of the traditional rotating speed detection equipment, and has the advantages of simple structure and low manufacturing cost.
Description
Technical Field
The invention relates to the field of machinery and electric control, in particular to a sensor testing device.
Background
In the running process of a rotating machine, a rotating speed signal of the rotating machine is often required to be measured by a rotating speed sensor for monitoring and controlling, and the rotating speed measurement precision is influenced by the quality of the output performance of the rotating speed sensor, so that the output performance of the rotating speed sensor must be detected before delivery from a factory, and the output parameter of the rotating speed sensor is ensured to be within a specified range.
At present, most of the existing rotational speed sensor output test platforms on the market adopt a high-speed electric main shaft and a variable-frequency speed regulator to drive a speed measurement sound wheel, and the speed regulation mode is open-loop regulation; the size of the gap between the rotating speed sensor and the sound wheel is usually measured by a feeler gauge and manually adjusted; the tone wheel is fixed with a motor shaft by a screw; the installation position of the revolution speed sensor is often transversely installed.
During testing, the rotating speed fluctuation of the rotating speed sensor output test platform is large, the noise is large, the stable operation cannot be realized in an ultra-low rotating speed range, the tone wheel bounce is large, the size of the device is large, the moving is difficult, and the mounting position of the rotating speed sensor is limited by transverse mounting; the precision is low and the error is great when the clearance is adjusted.
Disclosure of Invention
Based on this, in order to solve the problems of low detection efficiency and large error of the traditional rotating speed detection equipment, the invention provides a sensor testing device, which has the following specific technical scheme:
a sensor testing device comprises
The motor comprises a shell and a rotor assembly arranged in the shell, wherein the rotor assembly comprises a permanent magnet and a rotating shaft, one end of the rotating shaft is connected with one side surface of the permanent magnet, the other end of the rotating shaft penetrates through one side surface of the shell and is rotationally connected with the shell, and a through hole is formed in the other side surface of the permanent magnet;
the input end of the shock absorbing device penetrates through the shell and is inserted into the through hole, and the input end of the shock absorbing device is abutted to the through hole; the body of the shock absorbing device is hinged with the shell.
According to the sensor testing device, the target detection part of the rotating speed sensor is arranged at one end, penetrating through the shell, of the rotating shaft, then the motor drives the target detection part to rotate at different speeds, and the rotating speed measured by the rotating speed sensor is compared with the output rotating speed of the motor, so that whether the detection error of the rotating speed sensor is within a specified range or not is judged, and the detection efficiency is improved; through being provided with seismic isolation device, the shake when avoiding the motor to start influences speed sensor's testing result, reduces the error. The sensor testing device solves the problems of low detection efficiency and large error of the transmission rotating speed detection equipment.
Further, the rotor subassembly still includes rotates the wheel, it locates to rotate the wheel cover the axis of rotation passes on the one end of casing, it locates to rotate the wheel outside the casing, the axis of rotation is used for driving and rotates the wheel and rotate.
Furthermore, the shock absorbing device comprises a slide rail, a driving assembly and two sets of shock absorbing assemblies, the input end of the driving assembly penetrates through the other side surface of the shell and is inserted into the through hole, the rotor assembly is used for driving the input end to rotate and driving the shock absorbing assemblies to move along the length direction of the slide rail, and the shock absorbing assemblies are respectively hinged with the shell.
Furthermore, the shock-absorbing assembly comprises a sliding rod, an elastic piece, a sliding piece and a first connecting block arranged at one end of the sliding rod, and the sliding piece is sleeved at the other end of the sliding rod and is connected with the sliding rod in a sliding manner; the elastic piece is sleeved on the sliding rod, one end of the elastic piece is connected with the first connecting block, and the other end of the elastic piece is connected with the sliding piece; one end of the first connecting block, which is far away from the sliding rod, is provided with a sliding block.
Furthermore, the sliding part comprises a sleeve and a second connecting block sleeved on the outer surface of the sleeve, and one end of the elastic part, which is far away from the first connecting block, is connected with the second connecting block.
Furthermore, the shock absorbing assembly further comprises a connecting arm, one end of the connecting arm is hinged to the sleeve, and the other end of the connecting arm is hinged to the shell.
Furthermore, the driving assembly comprises a telescopic block, a first screw rod and a second screw rod, wherein a clamping block is arranged at one end of the telescopic block, and the clamping block is inserted into the through hole and clamped with the through hole; the other end of the telescopic block is provided with a first bevel gear.
Furthermore, the first screw and the second screw are both arranged in the slide rail, the central axes of the first screw and the second screw are arranged in the same straight line, a first fixed block and a second fixed block are also arranged in the slide rail, the first screw penetrates through the first fixed block and is rotatably connected with the first fixed block, and the second screw penetrates through the second fixed block and is rotatably connected with the second fixed block; one end of the first screw rod facing the second screw rod is provided with a second bevel gear, one end of the second screw rod facing the first screw rod is provided with a third bevel gear, and the first bevel gear is respectively meshed with the second bevel gear and the third bevel gear; the first screw rod and the second screw rod respectively correspondingly penetrate through a sliding block and are in threaded connection with the sliding block.
Furthermore, the bottom of the slide rail is provided with a plurality of moving assemblies, and the moving assemblies are used for driving the shock absorbing device to move.
Further, the moving assembly comprises a connecting block, a rolling shaft and two rollers; the connecting block is arranged at the bottom of the sliding rail, one end of the rolling shaft penetrates through the connecting block to be connected with one roller, the other end of the rolling shaft penetrates through the connecting block to be connected with the other roller, and the rolling shaft is rotatably connected with the connecting block.
Drawings
The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.
FIG. 1 is a schematic structural diagram of a sensor testing device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a portion of a sensor testing device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a rotor assembly of a sensor testing apparatus according to an embodiment of the present invention.
Description of reference numerals:
1-a shell; 2-a rotor assembly; 21-permanent magnet blocks; 22-a rotating shaft; 23-a through hole; 24-a rotating wheel; 3-a shock-absorbing device; 31-a slide rail; 32-a drive assembly; 321-a telescopic block; 322-a first screw; 323-a second screw; 324-a card block; 325-a first bevel gear; 326-second cone gear; 327-a third bevel gear; 33-a suspension assembly; 331-a slider bar; 332-an elastic member; 333-a slide; 334-first connection block; 335-connecting arm; 336-a slider; 4-a sleeve; 5-a second connecting block; 6-a first fixed block; 7-a second fixed block; 8-moving the assembly.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to embodiments thereof. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The terms "first" and "second" used herein do not denote any particular order or quantity, but rather are used to distinguish one element from another.
As shown in fig. 1 to 3, a sensor testing apparatus according to an embodiment of the present invention includes a motor and a vibration damping device 3; the motor comprises a shell 1 and a rotor assembly 2 arranged in the shell 1, wherein the rotor assembly 2 comprises a permanent magnet 21 and a rotating shaft 22, one end of the rotating shaft 22 is connected with one side surface of the permanent magnet 21, the other end of the rotating shaft 22 penetrates through one side surface of the shell 1 and is rotatably connected with the shell 1, and a through hole 23 is formed in the other side surface of the permanent magnet 21; the input end of the shock absorbing device 3 penetrates through the shell 1 and is inserted into the through hole 23, and the input end of the shock absorbing device 3 is abutted to the through hole 23; the body of the shock absorbing device 3 is hinged with the shell 1.
According to the sensor testing device, the target detection part of the rotating speed sensor is arranged at one end, penetrating through the shell 1, of the rotating shaft 22, then the motor drives the target detection part to rotate at different speeds, and the rotating speed measured by the rotating speed sensor is compared with the output rotating speed of the motor, so that whether the detection error of the rotating speed sensor is within a specified range or not is judged, and the detection efficiency is improved; through being provided with seismic isolation device 3, the shake when avoiding the motor to start influences speed sensor's testing result, reduces the error. The sensor testing device solves the problems of low detection efficiency and large error of the traditional rotating speed detection equipment.
In one embodiment, as shown in fig. 1, the rotor assembly 2 further includes a rotating wheel 24, the rotating wheel 24 is sleeved on one end of the rotating shaft 22 penetrating through the housing 1, the rotating wheel 24 is disposed outside the housing 1, and the rotating shaft 22 is used for driving the rotating wheel 24 to rotate. In this way, by rotating the rotary wheel 24, the detection object of the rotation speed sensor is amplified, so that the rotation speed sensor can detect the rotation speed conveniently, and the control error range is realized.
In one embodiment, as shown in fig. 1, the shock absorbing device 3 includes a slide rail 31, a driving assembly 32 and two sets of shock absorbing assemblies 33, an input end of the driving assembly 32 passes through the other side surface of the housing 1 and is inserted into the through hole 23, the rotor assembly 2 is configured to drive the input end to rotate and drive the shock absorbing assemblies 33 to move along the length direction of the slide rail 31, and the shock absorbing assemblies 33 are respectively hinged to the housing 1. Thus, the shock absorption assembly 33 is arranged to reduce the shock of the shell 1; the driving assembly 32 drives the shock-absorbing assemblies 33 to move along the length direction of the slide rail 31, then when the two sets of shock-absorbing assemblies 33 move along opposite directions, the housing 1 moves upwards, and when the two sets of shock-absorbing assemblies 33 move along opposite directions, the housing 1 moves downwards, so that the height position of the rotating wheel 24 is controlled according to the installation height of the rotating speed sensor.
In one embodiment, as shown in fig. 1, the suspension assembly 33 includes a sliding bar 331, an elastic member 332, a sliding member 333, and a first connecting block 334 disposed at one end of the sliding bar 331, wherein the sliding member 333 is sleeved on the other end of the sliding bar 331 and slidably connected to the sliding bar 331; the elastic member 332 is sleeved on the sliding rod 331, one end of the elastic member 332 is connected with the first connecting block 334, and the other end of the elastic member 332 is connected with the sliding member 333; one end of the first connecting block 334, which is far away from the sliding bar 331, is provided with a sliding block 336; the sliding part 333 comprises a sleeve 4 and a second connecting block 5 sleeved on the outer surface of the sleeve 4, and one end of the elastic part 332 far away from the first connecting block 334 is connected with the second connecting block 5; the suspension assembly 33 further includes a connecting arm 335, one end of the connecting arm 335 is hinged to the sleeve 4, and the other end of the connecting arm 335 is hinged to the housing 1. So, through being provided with elastic component 332, realize reducing the partial vibrations of motor, avoid the motor shake to damage the machine and influence speed sensor's testing result.
In one embodiment, as shown in fig. 1 and fig. 2, the driving assembly 32 includes a telescopic block 321, a first screw 322, and a second screw 323, one end of the telescopic block 321 is provided with a clamping block 324, and the clamping block 324 is inserted into the through hole 23 and clamped with the through hole 23; the other end of the telescopic block 321 is provided with a first bevel gear 325; the first screw rod 322 and the second screw rod 323 are both arranged in the slide rail 31, the central axes of the first screw rod 322 and the second screw rod 323 are arranged in the same straight line, a first fixed block 6 and a second fixed block 7 are also arranged in the slide rail 31, the first screw rod 322 penetrates through the first fixed block 6 and is rotatably connected with the first fixed block 6, and the second screw rod 323 penetrates through the second fixed block 7 and is rotatably connected with the second fixed block 7; a second conical gear 326 is arranged at one end of the first screw rod 322 facing the second screw rod 323, a third conical gear 327 is arranged at one end of the second screw rod 323 facing the first screw rod 322, and the first conical gear 325 is respectively meshed with the second conical gear 326 and the third conical gear 327; the first screw rod 322 and the second screw rod 323 respectively correspondingly penetrate through a sliding block 336 and are in threaded connection with the sliding block 336; specifically, the outer contours of the through hole 23 and the clamping block 324 are both square, and the telescopic block 321 is a hydraulic rod; when the height of the motor needs to be adjusted, the telescopic block 321 drives the clamping block 324 to be clamped with the through hole 23, then the motor body is started, and then the shock absorption assembly 33 moves along the length direction of the slide rail 31, so that the height of the motor body is controlled; after the height of the motor body is adjusted, the telescopic block 321 is contracted, and then the telescopic block 321 is taken out, so that the motor body is prevented from driving the driving assembly 32 to rotate when the motor body starts to produce and work, and then the height of the motor body is influenced.
In one embodiment, as shown in fig. 1, a plurality of moving assemblies 8 are disposed at the bottom of the sliding rail 31, and the moving assemblies 8 are used for driving the shock absorbing device 3 to move; the moving assembly 8 comprises a connecting block, a rolling shaft and two rollers; the connecting block is arranged at the bottom of the sliding rail 31, one end of the rolling shaft penetrates through the connecting block to be connected with one roller, the other end of the rolling shaft penetrates through the connecting block to be connected with the other roller, and the rolling shaft is rotatably connected with the connecting block. In this manner, by providing the moving assembly 8, it is convenient to push the sensor testing device to a test site.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A sensor testing device is characterized by comprising
The motor comprises a shell and a rotor assembly arranged in the shell, wherein the rotor assembly comprises a permanent magnet and a rotating shaft, one end of the rotating shaft is connected with one side surface of the permanent magnet, the other end of the rotating shaft penetrates through one side surface of the shell and is rotationally connected with the shell, and a through hole is formed in the other side surface of the permanent magnet;
the input end of the shock absorbing device penetrates through the shell and is inserted into the through hole, and the input end of the shock absorbing device is abutted to the through hole; the body of the shock absorbing device is hinged with the shell.
2. The sensor testing device of claim 1, wherein the rotor assembly further comprises a rotating wheel, the rotating wheel is sleeved on one end of the rotating shaft penetrating through the housing, the rotating wheel is arranged outside the housing, and the rotating shaft is used for driving the rotating wheel to rotate.
3. The sensor testing device of claim 1, wherein the shock absorbing device comprises a slide rail, a driving assembly and two sets of shock absorbing assemblies, an input end of the driving assembly passes through another side surface of the housing and is inserted into the through hole, the rotor assembly is used for driving the input end to rotate and driving the shock absorbing assemblies to move along a length direction of the slide rail, and the shock absorbing assemblies are respectively hinged to the housing.
4. The sensor testing device of claim 3, wherein the shock absorbing assembly comprises a sliding rod, an elastic member, a sliding member and a first connecting block arranged at one end of the sliding rod, and the sliding member is sleeved on the other end of the sliding rod and is slidably connected with the sliding rod; the elastic piece is sleeved on the sliding rod, one end of the elastic piece is connected with the first connecting block, and the other end of the elastic piece is connected with the sliding piece; one end of the first connecting block, which is far away from the sliding rod, is provided with a sliding block.
5. The sensor testing device of claim 4, wherein the sliding member comprises a sleeve and a second connecting block sleeved on an outer surface of the sleeve, and an end of the elastic member away from the first connecting block is connected with the second connecting block.
6. The sensor testing apparatus of claim 5, wherein the suspension assembly further comprises a connecting arm, one end of the connecting arm is hinged to the sleeve, and the other end of the connecting arm is hinged to the housing.
7. The sensor testing device of claim 3, wherein the driving assembly comprises a telescopic block, a first screw rod and a second screw rod, wherein a clamping block is arranged at one end of the telescopic block, and the clamping block is inserted into the through hole and clamped with the through hole; the other end of the telescopic block is provided with a first bevel gear.
8. The sensor testing device according to claim 7, wherein the first screw and the second screw are both arranged in the slide rail, the central axes of the first screw and the second screw are arranged in the same straight line, a first fixed block and a second fixed block are further arranged in the slide rail, the first screw penetrates through the first fixed block and is rotatably connected with the first fixed block, and the second screw penetrates through the second fixed block and is rotatably connected with the second fixed block; one end of the first screw rod facing the second screw rod is provided with a second bevel gear, one end of the second screw rod facing the first screw rod is provided with a third bevel gear, and the first bevel gear is respectively meshed with the second bevel gear and the third bevel gear; the first screw rod and the second screw rod respectively correspondingly penetrate through a sliding block and are in threaded connection with the sliding block.
9. The sensor testing device of claim 3, wherein a plurality of moving assemblies are disposed at the bottom of the sliding rail, and the moving assemblies are used for driving the shock absorbing device to move.
10. The sensor testing apparatus of claim 9, wherein the moving assembly comprises a connecting block, a rolling shaft, and two rollers; the connecting block is arranged at the bottom of the sliding rail, one end of the rolling shaft penetrates through the connecting block to be connected with one roller, the other end of the rolling shaft penetrates through the connecting block to be connected with the other roller, and the rolling shaft is rotatably connected with the connecting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210448123.6A CN114814294A (en) | 2022-04-26 | 2022-04-26 | Sensor testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210448123.6A CN114814294A (en) | 2022-04-26 | 2022-04-26 | Sensor testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114814294A true CN114814294A (en) | 2022-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210448123.6A Pending CN114814294A (en) | 2022-04-26 | 2022-04-26 | Sensor testing device |
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| CN (1) | CN114814294A (en) |
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| CN105406687A (en) * | 2015-11-26 | 2016-03-16 | 安徽沃弗电力科技有限公司 | Permanent magnet adjustable-speed motor |
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| CN110535293A (en) * | 2018-05-24 | 2019-12-03 | 江苏伯海电驱动科技有限公司 | A kind of permanent magnet synchronous motor with buffer-type revolving speed intelligent speed-control structure |
| CN210400830U (en) * | 2019-10-15 | 2020-04-24 | 江西精骏电控技术有限公司 | New forms of energy electric motor rotor overspeed testing arrangement |
| CN210578090U (en) * | 2019-09-11 | 2020-05-19 | 温州佳福科技有限公司 | Novel shock-absorbing noise-reducing motor structure |
| CN211043426U (en) * | 2019-12-23 | 2020-07-17 | 杭州智海合达科技有限公司 | Torque and rotating speed testing device with small testing error |
| CN211178764U (en) * | 2019-12-20 | 2020-08-04 | 南京象麻牙粑电子科技有限公司 | Motor control sensor |
| CN214121597U (en) * | 2020-10-12 | 2021-09-03 | 东风康明斯发动机有限公司 | Test bench for electric tuning engine |
| WO2021204528A1 (en) * | 2020-04-06 | 2021-10-14 | Hubtex Maschinenbau Gmbh & Co. Kg | Industrial truck with motor speed detection and asynchronous motor |
| CN113885454A (en) * | 2021-10-10 | 2022-01-04 | 佛山市川东磁电股份有限公司 | Industrial control system based on intelligent sensing |
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| CN105406687A (en) * | 2015-11-26 | 2016-03-16 | 安徽沃弗电力科技有限公司 | Permanent magnet adjustable-speed motor |
| CN106092441A (en) * | 2016-08-30 | 2016-11-09 | 北京安达维尔测控技术有限公司 | A kind of simulator stand measuring dynamic balancing data |
| CN110535293A (en) * | 2018-05-24 | 2019-12-03 | 江苏伯海电驱动科技有限公司 | A kind of permanent magnet synchronous motor with buffer-type revolving speed intelligent speed-control structure |
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