CN110701983B - Changeable turned angle measuring device of same pivot multi-angle measuring range - Google Patents
Changeable turned angle measuring device of same pivot multi-angle measuring range Download PDFInfo
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- CN110701983B CN110701983B CN201911134535.7A CN201911134535A CN110701983B CN 110701983 B CN110701983 B CN 110701983B CN 201911134535 A CN201911134535 A CN 201911134535A CN 110701983 B CN110701983 B CN 110701983B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
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Abstract
The invention discloses a rotation angle measuring device with a variable multi-angle measuring range and a rotating shaft, which comprises a rotating shaft, wherein one end of the rotating shaft is rigidly connected with a connecting port of the rotating shaft to be measured, a rotating touch sheet is arranged on the rotating shaft, the rotating touch sheet and the rotating shaft synchronously rotate, N touch areas are arranged on the rotating touch sheet, and N is a positive integer more than or equal to 2; the touch control device also comprises M micro switches matched with the touch area, wherein the M micro switches are sequentially distributed along the circumference taking the rotating shaft as the center, and M is more than or equal to N; in the rotating direction along the rotating shaft, different rotating angle measurement is realized by adjusting the circumferential length of each touch area. The invention has simple and reliable structure, easy realization and low processing cost, and can meet the requirement of multi-angle independent measurement or relevance measurement of the same rotating shaft.
Description
Technical Field
The invention relates to the technical field of measurement, in particular to a rotating angle measuring device with a variable multi-angle measuring range of a same rotating shaft.
Background
The rotation angle measuring device is used for measuring the rotation angle of an object, has many engineering practical application scenarios, and generally realizes the measurement of the rotation angle by collecting the reading of an encoder or a rotary transformer inside the measuring device.
In actual use, the rotating angle measuring device has various structural forms, generally adopts a structural form of directly connecting with a rotating shaft or connecting with a measured object by using a synchronizing device, and can reliably and accurately reflect the rotating angle of the measured object.
When a plurality of angles need to be measured, a plurality of rotation angle measuring devices are generally adopted to measure the angles respectively, and especially when the rotation angles of a plurality of measured objects are located on the same rotation axis, the rotation angle measuring devices are often difficult to realize due to the structural inconvenience in design. For example, for the same rotating shaft, generally, only the rotating angle measuring devices can be added at two ends of the rotating shaft, which means that the same rotating shaft can only measure two rotating angles; if more than two rotation angles (excluding two rotation angles) need to be measured, a synchronization device needs to be added for connection, so that the difficulty of structural design is increased, the number of devices of the whole system is increased, and the system becomes large and bulky.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: when the conventional rotating angle measuring device measures more than two rotating angles, the number of the measuring devices of the whole system needs to be increased, so that the system becomes large and bloated and has a complex structure.
The invention is realized by the following technical scheme:
a rotation angle measuring device with a variable multi-angle measuring range and a rotating shaft comprises a rotating shaft, wherein one end of the rotating shaft is rigidly connected with a connecting port of the rotating shaft to be measured and synchronously rotates, a rotating touch sheet is arranged on the rotating shaft and synchronously rotates with the rotating shaft, N touch areas are arranged on the rotating touch sheet, and N is a positive integer larger than or equal to 2; the touch control device also comprises M micro switches matched with the touch area, wherein the M micro switches are sequentially distributed along the circumference taking the rotating shaft as the center, and M is more than or equal to N; in the rotating direction along the rotating shaft, different rotating angle measurement is realized by adjusting the circumferential length of each touch area.
The working principle of the invention is as follows: the rotary touch piece can be set to return to zero at the initial measurement position (the position is adjusted in advance and set to zero through software), and the angle range in the mechanical limit can meet the requirement of the angle measurement range of the object to be measured; the object to be tested is driven to rotate anticlockwise or clockwise, the rotating shaft is driven to synchronously rotate through the connecting port of the rotating shaft to be tested, the rotating shaft drives the rotating touch sheet to synchronously rotate, and all the micro switches are static and different; at the moment, each touch area on the rotary touch piece can be sequentially contacted with the corresponding micro switch, different touch areas can be set to have different circumferential lengths, the arc lengths of the corresponding touch areas and the contact surface of the micro switch are different, and therefore the corresponding micro switch is different in measured rotating angle.
Further, in the rotating direction along the rotating shaft, the correlation between the corresponding measuring angles is realized by adjusting the front and back positions and the distance relationship of the distribution of each touch area and/or adjusting the distance relationship between the related micro switches.
Through setting the front-back position relation of each touch area in the circumferential direction, the distance of the front-back position relation and the distance relation between the corresponding adjusting micro-switches, the correlation between the corresponding measuring angles can be realized, if the adjacent touch areas can be overlapped in the circumferential direction, and due to different lengths, in a certain period of time during the contact period of one touch area and the corresponding micro-switch, the other overlapped touch area is contacted with the corresponding micro-switch and feeds back a measuring signal.
Furthermore, each touch area is a plane or a curved surface, and the distribution positions of the touch areas on the rotary touch sheet comprise the bottom surface, the side wall, the top surface, the transition surface between the bottom surface and the side wall, and the transition surface between the top surface and the side wall of the rotary touch sheet.
The shape of the touch area includes but is not limited to a plane or a curved surface structure, the touch area can be located at any position such as the bottom surface, the side wall, the top surface, the transition surface between the bottom surface and the side wall, the transition surface between the top surface and the side wall and the like of the rotary touch sheet, and the structure of the bracket for fixing the micro switch and the exterior of the micro switch can be correspondingly changed, so that the micro switch can be in contact with the corresponding touch area.
Furthermore, the number M of the micro switches is equal to the number N of the touch areas, and corresponds to each other.
The same touch area can be correspondingly contacted with different micro switches at the same time or at different times, and the number M of the micro switches is preferably equal to the number N of the touch areas and is in one-to-one correspondence.
Further, the one end and the pivot rigid connection of rotatory touch piece, the other end of rotatory touch piece is equipped with three touching region and does respectively: a touch area I, a touch area II and a touch area III; in the rotating direction along the rotating shaft, the touch area I and the touch area III are positioned at the front end and the rear end of the touch area II, and in the contact period of the touch area II and the corresponding micro switch, the touch area I and the touch area III are in contact with the corresponding micro switch.
Furthermore, the touch area II is positioned on the circumferential side wall of the rotary touch sheet and is of an arc surface structure; the touch area I and the touch area III are positioned at two ends of the arc direction extending direction of the touch area II and are respectively positioned on the top surface and the side wall downward extending surface of the rotary touch sheet, the touch area I is of a plane structure, and the touch area III is of an arc surface structure; also includes three microswitches: the micro switch I, the micro switch II and the micro switch III are respectively and correspondingly matched with the touch area I, the touch area II and the touch area III one by one.
Furthermore, one end of the rotary touch piece is provided with a waist-shaped hole, and the rotary touch piece penetrates through the waist-shaped hole through a screw and then is detachably connected with the rotating shaft through threads.
On one hand, the detachable connection of the rotary touch piece and the rotating shaft is facilitated, and the disassembly and assembly operation is convenient; on the other hand, the installation position of the rotary touch piece is adjusted by the waist-shaped hole.
Furthermore, the device also comprises a shell, a through hole is formed in the bottom of the shell, one end of the rotating shaft penetrates through the through hole and then is rotatably connected with the shell through a bearing, and a microswitch is arranged on the shell.
The invention is provided with a shell as a main body bearing part of the rotation angle measuring device, and a rotating shaft is used as a core rotating part of the rotation angle measuring device.
Furthermore, the microswitch is detachably fixed on the shell through a switch bracket; the switch support comprises a bottom plate, a side plate and a top plate, and the bottom plate, the side plate and the top plate are sequentially connected to form a C-shaped structure; the bottom plate is provided with a fixing hole which is a waist-shaped hole and penetrates through the fixing hole through a screw to be connected with the shell; a microswitch mounting hole is formed in the top plate and used for detachably mounting the microswitch.
Through set up waist type hole on switch support bottom plate, the distance between each switch support and the pivot center is adjusted according to the assembly demand to the convenience, can finely tune the degree of contact between each micro-gap switch and the touching region, guarantees that contact signal can accurate timely trigger.
Further, still include the cap, the cap cover is established at the top opening end of casing, and casing and cap constitute and seal the bin.
The shell and the shell cover are matched to form a closed cavity for storing key components of the measuring device in the closed cavity, so that the protective effect is realized, and meanwhile, the attractive and tidy appearance is favorably ensured.
The invention has the following advantages and beneficial effects:
when a plurality of angles need to be measured, a plurality of rotation angle measuring devices are generally adopted to measure the angles respectively, and especially when the rotation angles of a plurality of measured objects are located on the same rotation axis, the rotation angle measuring devices are often difficult to realize due to the structural inconvenience in design. For example, for the same rotating shaft, generally, only the rotating angle measuring devices can be added at two ends of the rotating shaft, which means that the same rotating shaft can only measure two rotating angles; if more than two rotation angles (excluding two rotation angles) need to be measured, a synchronization device needs to be added for connection, so that the difficulty of structural design is increased, the number of devices of the whole system is increased, and the system becomes large and bulky.
The rotating angle measuring device with the same rotating shaft and the variable multi-angle measuring range can effectively avoid the problems, realize multi-angle measurement of the same rotating shaft, and has the advantages of simple integral structure, easy realization and low processing cost; the invention can meet the requirement of multi-angle independent measurement of the same rotating shaft; the invention can also correspondingly adjust the circumferential length of the touch area, the position relation of the touch area and the front and rear positions of the micro-pore switch according to the relevance and the sequence among a plurality of angles on the same rotating shaft, thereby meeting the measurement requirements of a plurality of angles.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic cross-sectional perspective view of a rotation angle measuring device according to the present invention;
FIG. 2 is a schematic perspective view of the rotation angle measuring device of the present invention;
FIG. 3 is a schematic view of a rotary touch plate according to the present invention;
FIG. 4 is a schematic structural view of a switch bracket of the present invention, in a first structural model;
fig. 5 is a schematic structural diagram of a switch bracket of the invention, a second structural model.
Reference numbers and corresponding part names in the drawings: 1-shell, 2-measured rotating shaft connector, 3-rotating shaft, 4-rotary touch piece, 41-touch area I, 42-touch area II, 43-touch area III, 5-switch bracket I, 6-microswitch I, 7-microswitch II, 8-switch bracket II, 9-microswitch III, 10-switch bracket III, 11-microswitch mounting hole and 12-fixing hole.
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 examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
This embodiment provides a changeable turned angle measuring device of same pivot multi-angle measuring range, including pivot 3, the one end of pivot 3 and the pivot connector 2 of being surveyed pass through the rigidity axle and directly link, and pivot 3 and the coincidence of both axial leads of the pivot connector 2 of being surveyed, and pivot 3 rotates along with the pivot connector 2 synchronous of being surveyed. The rotating touch piece 4 is rigidly connected to the rotating shaft 3, the rotating touch piece 4 and the rotating shaft 3 rotate synchronously, N touch areas are arranged on the rotating touch piece 4, N is a positive integer larger than or equal to 2, and preferably three or more touch areas are arranged. The touch control device is characterized by further comprising M micro switches matched with the touch areas, wherein the M micro switches are sequentially distributed along the circumference with the rotating shaft 3 as the center, M is larger than or equal to N, and the number M of the micro switches is preferably equal to the number N of the touch areas and corresponds to the number N of the touch areas one by one. In the rotating direction along the rotating shaft 3, different rotating angle measurement is realized by adjusting the circumferential length of each touch area, and the installation position of the corresponding microswitch is adjusted, so that the requirements of different measuring angle ranges and different measuring angle values are met.
Example 2
In addition to embodiment 1, the relationship between the front and back positions and the distance relationship of each touch area distribution and/or the distance relationship between the related micro switches are adjusted in the rotating direction along the rotating shaft 3 to realize the correlation between the corresponding measuring angles. Each touch area is a plane or a curved surface, and the distribution positions of the touch areas on the rotary touch sheet 4 comprise the bottom surface, the side walls, the top surface, the transition surface of the bottom surface and the side walls, and the transition surface of the top surface and the side walls of the rotary touch sheet 4.
Example 3
The improved structure is further improved on the basis of the embodiment 1 or 2, one end of the rotary touch piece 4 is provided with a kidney-shaped hole, and the rotary touch piece is detachably connected with the rotating shaft 3 through a screw after penetrating through the kidney-shaped hole. The device also comprises a shell 1 and a shell cover (not shown in the attached drawing), wherein a through hole is formed in the bottom of the shell 1, one end of a rotating shaft 3 penetrates through the through hole and then is rotatably connected with the shell 1 (the side wall of the through hole and the bottom of the shell 1) through a bearing, and a microswitch is arranged on the shell 1. The micro switch is detachably fixed on the shell 1 through a switch bracket. The switch bracket comprises a bottom plate, a side plate and a top plate, wherein the bottom plate, the side plate and the top plate are sequentially connected to form a C-shaped structure; the bottom plate is provided with a fixing hole 12, the fixing hole 12 is a waist-shaped hole, and the fixing hole 12 penetrates through the fixing hole 12 through a screw to be connected with the shell 1; a microswitch mounting hole 11 is formed in the top plate, and a microswitch is detachably mounted through a screw. The shell cover is covered at the open end of the top of the shell 1, the shell 1 and the shell cover form a closed chamber, and the rotating shaft 3, the bearing, the microswitch and the rotary touch piece 4 are all positioned in the closed chamber to play a role in protection.
Example 4
The embodiment provides a variable rotating angle measuring device of multi-angle measuring range of the same rotating shaft, which comprises a shell 1 and a shell cover (not shown in the attached drawing), wherein a through hole for the rotating shaft 3 to penetrate through is formed in the bottom of the shell 1. The one end of pivot 3 and the pivot connector 2 of being surveyed pass through the rigid axle direct connection, and the other end of pivot 3 passes behind the through-hole and is connected through the bearing rotation with casing 1 (through-hole lateral wall and casing 1 bottom), and there is rotatory touch piece 4 at the tip that pivot 3 stretched into in the casing 1 through the screw connection, and rotatory touch piece 4 is type I-shaped structure, and the one end and the 3 rigid connection of pivot of rotatory touch piece 4, and the other end of rotatory touch piece 4 is equipped with three touching regional do respectively: touch region I41, touch region II42, and touch region III 43; the touch region I41 and the touch region III43 are located at the front end and the rear end of the touch region II42 in the rotation direction along the rotation shaft 3, and the touch region I41 and the touch region III43 are in contact with the corresponding micro switch during the period that the touch region II42 is in contact with the corresponding micro switch. The touch area II42 is located on the circumferential side wall of the rotary touch sheet 4 and is of an arc surface structure; the touch area I41 and the touch area III43 are located at two ends of the arc direction extending direction of the touch area II42 and are respectively located on the top surface and the side wall downward extending surface of the rotary touch sheet 4, the touch area I41 is of a planar structure, and the touch area III43 is of an arc surface structure;
the shell 1 is also provided with three micro switches: each microswitch is detachably fixed on the shell 1 through a switch bracket, the switch bracket comprises a bottom plate, a side plate and a top plate, and the bottom plate, the side plate and the top plate are sequentially connected to form a C-shaped structure; the bottom plate is provided with a fixing hole 12, the fixing hole 12 is a waist-shaped hole, and the fixing hole 12 penetrates through the fixing hole 12 through a screw to be connected with the shell 1; a microswitch mounting hole 11 is formed in the top plate, and a microswitch is detachably mounted through a screw. A microswitch I6 is fixed on the 5-switch carrier I for contacting with the touch region I41, a microswitch II7 is fixed on the switch carrier II8 for contacting with the touch region II42, and a microswitch III9 is fixed on the switch carrier III10 for contacting with the touch region III 43.
Example 5
Based on embodiment 4 provides a changeable turned angle measuring device of same pivot multi-angle measurement scope, its theory of operation is:
1. the rotary touch piece 4 returns to zero at the initial measurement position (the position is adjusted in advance and set to zero through software), and the angle range in the mechanical limit can meet the requirement of the angle measurement range of the measured object;
2. with reference to fig. 2 and fig. 3, the object to be tested starts to rotate counterclockwise, the tested rotating shaft connector 2 drives the rotating shaft 3 to rotate synchronously, and the rotating shaft 3 drives the rotating touch piece 4 to rotate synchronously. The rotating rotary touch plate 4 is firstly contacted with a microswitch II7 by a touch area II42, and the microswitch II7 gives a contact signal indicating that the measured object enters a measuring range; since the touch area II42 is in continuous contact with the microswitch II7, the microswitch II7 continuously gives a signal indicating that the object to be measured is continuously rotated within the required angular range.
3. The object to be measured continues to rotate until the touch area I41 is in contact with the micro switch I6, and the micro switch I6 gives a contact signal; at the moment, the touch area II42 is still in contact with the microswitch II7, and the microswitch II7 still continuously gives a contact signal; this case shows that, according to the design requirement, the object has reached the angular range to be measured in the touch area I41 within the range to be measured in the touch area II42, and if there is any action to be performed (or not performed) on the object to be measured (the performance (or not) of the action should satisfy two conditions, i.e., a, the object has entered the measurement range in the touch area II42 and is continuously rotated, and b, the object has entered the measurement range in the touch area I41 and is continuously rotated, then the execution (or not performed) can be started.
4. The object to be measured continues to rotate until the touch area I41 is not contacted with the microswitch I6 completely, the microswitch I6 does not give a contact signal any more, then the touch area III43 and the microswitch III9 are touched, the microswitch III9 gives a contact signal, during the period, the touch area II42 and the microswitch II7 are still in a contact range, and the microswitch II7 continues to give a contact signal; the situation shows that, according to the design requirement, within the measurement range of the touch area II42, the measured object has exceeded the measurement range of the touch area I41 and entered the measurement range of the touch area III43, and at this time, if there is any action to be performed (or not performed) (the execution (or not execution) of the action should satisfy three conditions, i.e., a, the object has entered the measurement range of the touch area II42 and continuously rotates, b, the object has left the measurement range of the touch area I41 and continuously rotates, c, the object has entered the measurement range of the touch area III43 and continuously rotates, then the execution (or not performed) can be started.
5. The object to be measured rotates continuously, the first touch area III43 is not in contact with the microswitch III9 any more, the microswitch III9 does not give out a contact signal any more, then the touch area II42 is not in contact with the microswitch II7 any more, and the microswitch II7 does not give out a contact signal any more; the situation shows that the whole measurement is completed and the measured object stops rotating.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A rotation angle measuring device with a variable multi-angle measuring range and a rotating shaft (3) comprises the rotating shaft (3), one end of the rotating shaft (3) is rigidly connected with a connecting port (2) of the rotating shaft to be measured and synchronously rotates, and the rotation angle measuring device is characterized in that a rotation touch sheet (4) is arranged on the rotating shaft (3), the rotation touch sheet (4) and the rotating shaft (3) synchronously rotate, N touch areas are arranged on the rotation touch sheet (4), and N is a positive integer larger than or equal to 2; the device also comprises M micro switches matched with the touch area, wherein the M micro switches are sequentially distributed along the circumference with the rotating shaft (3) as the center, and M is more than or equal to N; in the rotating direction along the rotating shaft (3), different rotating angle measurement is realized by adjusting the circumferential length of each touch area.
2. The device for measuring the rotation angle with the multi-angle measurement range variable of the rotating shaft according to claim 1, characterized in that the correlation between the corresponding measurement angles is realized by adjusting the front and back positions and the distance relationship of the distribution of each touch area and/or adjusting the distance relationship between the related micro switches in the rotation direction of the rotating shaft (3).
3. The device for measuring the rotation angle with the same rotation axis and the variable multi-angle measuring range according to claim 1, wherein each touch area is a plane or a curved surface, and the distribution positions of the touch areas on the rotary touch plate (4) comprise the bottom surface, the side walls, the top surface, the transition surface between the bottom surface and the side walls, and the transition surface between the top surface and the side walls of the rotary touch plate (4).
4. The device for measuring the rotation angle with the same rotation shaft and the variable multi-angle measuring range according to claim 1, wherein the number M of the micro switches is equal to the number N of the touch areas and corresponds to one another.
5. The device for measuring the rotation angle with the changeable multi-angle measuring range of the same rotating shaft as the claim 1 is characterized in that one end of the rotary touch piece (4) is rigidly connected with the rotating shaft (3), and the other end of the rotary touch piece (4) is provided with three touch areas which are respectively: a touch region I (41), a touch region II (42), and a touch region III (43); the touch areas I (41) and III (43) are located at the front end and the rear end of the touch area II (42) in the rotating direction along the rotating shaft (3), and the touch areas I (41) and III (43) are in contact with the corresponding micro switches during the period that the touch area II (42) is in contact with the corresponding micro switches.
6. The device for measuring the rotation angle with the same rotation shaft and the variable multi-angle measuring range according to claim 5, wherein the touch area II (42) is located on the circumferential side wall of the rotary touch piece (4) and is of an arc surface structure; the touch area I (41) and the touch area III (43) are positioned at two ends of the arc direction extending direction of the touch area II (42) and are respectively positioned on the top surface and the side wall downward extending surface of the rotary touch sheet (4), the touch area I (41) is of a plane structure, and the touch area III (43) is of an arc surface structure; also includes three microswitches: the micro switch I (6), the micro switch II (7) and the micro switch III (9) are respectively and correspondingly matched with the touch area I (41), the touch area II (42) and the touch area III (43) one by one.
7. The device for measuring the rotation angle with the variable multi-angle measuring range of the rotating shaft according to claim 1, wherein one end of the rotary touch piece (4) is provided with a kidney-shaped hole, and the rotary touch piece is in threaded detachable connection with the rotating shaft (3) after penetrating through the kidney-shaped hole through a screw.
8. The device for measuring the rotation angle with the variable multi-angle measurement range of the rotating shaft according to claim 1, further comprising a shell (1), wherein a through hole is formed in the bottom of the shell (1), one end of the rotating shaft (3) penetrates through the through hole and then is rotatably connected with the shell (1) through a bearing, and a microswitch is arranged on the shell (1).
9. The device for measuring the rotation angle with the same rotation shaft and the variable multi-angle measuring range according to claim 8, wherein the microswitch is detachably fixed on the shell (1) through a switch bracket; the switch support comprises a bottom plate, a side plate and a top plate, and the bottom plate, the side plate and the top plate are sequentially connected to form a C-shaped structure; the bottom plate is provided with a fixing hole (12), the fixing hole (12) is a waist-shaped hole, and the fixing hole (12) penetrates through the fixing hole (12) through a screw to be connected with the shell (1); a microswitch mounting hole (11) is formed in the top plate and used for detachably mounting the microswitch.
10. The device for measuring the rotation angle with the variable multi-angle measurement range of the rotating shaft as claimed in claim 8, further comprising a housing cover, wherein the housing cover is covered at the open top end of the housing (1), and the housing (1) and the housing cover form a closed chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911134535.7A CN110701983B (en) | 2019-11-19 | 2019-11-19 | Changeable turned angle measuring device of same pivot multi-angle measuring range |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911134535.7A CN110701983B (en) | 2019-11-19 | 2019-11-19 | Changeable turned angle measuring device of same pivot multi-angle measuring range |
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| CN110701983A CN110701983A (en) | 2020-01-17 |
| CN110701983B true CN110701983B (en) | 2021-03-30 |
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| CN114413936A (en) * | 2021-11-09 | 2022-04-29 | 上海宇航系统工程研究所 | A rotary, multi-angle unlocking in-position signal triggering device |
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| CN206339246U (en) * | 2016-12-22 | 2017-07-18 | 上海钧嵌传感技术有限公司 | A kind of high-precision rotating speed and rotation absolute angular position measurement sensor |
| CN108871183A (en) * | 2018-06-15 | 2018-11-23 | 上海卫星工程研究所 | A kind of shaft angle monitor device for spacecraft mechanism |
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2019
- 2019-11-19 CN CN201911134535.7A patent/CN110701983B/en active Active
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Effective date of registration: 20210406 Address after: 621000 building 31, No.7, Section 2, Xianren Road, Youxian District, Mianyang City, Sichuan Province Patentee after: China Ordnance Equipment Group Automation Research Institute Co.,Ltd. Address before: 621000 Mianyang province Sichuan City Youxian District Road No. 7 two immortals Patentee before: China Ordnance Equipment Group Automation Research Institute |
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