CN113655698A - Mechanical pointer meter data reading device - Google Patents
Mechanical pointer meter data reading device Download PDFInfo
- Publication number
- CN113655698A CN113655698A CN202110789105.XA CN202110789105A CN113655698A CN 113655698 A CN113655698 A CN 113655698A CN 202110789105 A CN202110789105 A CN 202110789105A CN 113655698 A CN113655698 A CN 113655698A
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- pointer
- displacement sensor
- mechanical
- meter
- data reading
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- G—PHYSICS
- G04—HOROLOGY
- G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
- G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
Abstract
The invention provides a mechanical pointer meter data reading device, which relates to the field of data reading devices and comprises an angle displacement sensor and a fixed claw, wherein the angle displacement sensor comprises a detection shaft, the detection shaft and a pointer shaft of a mechanical pointer meter are coaxially arranged, the angle displacement sensor is arranged on the fixed claw, the angle displacement sensor is fixed on the mechanical pointer meter through the fixed claw, a connecting part is arranged on the detection shaft of the angle sensor, the detection shaft is connected to the pointer shaft of the mechanical pointer meter through the connecting part, and the detection shaft and the connecting part rotate together with the pointer shaft of the mechanical pointer meter. The invention can overcome the defects of high cost, long period and difficult implementation of direct modification of the mechanical pointer meter in the prior art, and realizes reading and conversion of detection data of the mechanical pointer meter.
Description
Technical Field
The invention relates to the field of data reading devices, in particular to a data reading device for a mechanical pointer meter.
Background
The mechanical pointer meter is a traditional data display meter, and is still used in some existing devices. A mechanical pointer watch generally includes a dial, a pointer shaft, and a pointer. The dial is provided with scales. The pointer is arranged on the pointer shaft, the pointer shaft is arranged on the center, and the pointer rotates around the axis along with the pointer shaft. The mechanical pointer meter needs to be read manually, the workload of manual reading is large, the error is high, and the detection data cannot be directly imported into a control system, so that the existing equipment needs to be subjected to informatization transformation. The mechanical pointer meter is directly replaced by the sensor, the existing equipment needs to be structurally modified, and the problems of high cost, long modification period, difficulty in implementation and the like exist.
Disclosure of Invention
The invention provides a data reading device for a mechanical pointer meter, which is used for solving the defects of high direct modification cost, long period and difficult implementation in the prior art and realizing the reading and conversion of detection data of the mechanical pointer meter.
The invention provides a data reading device of a mechanical pointer meter, which comprises an angle displacement sensor and a fixed claw, wherein the angle displacement sensor comprises a detection shaft, the detection shaft and a pointer shaft of the mechanical pointer meter are coaxially arranged, the angle displacement sensor is arranged on the fixed claw, the angle displacement sensor is fixed on the mechanical pointer meter through the fixed claw, a connecting part is arranged on the detection shaft of the angle sensor, the detection shaft is connected to the pointer shaft of the mechanical pointer meter through the connecting part, and the detection shaft and the connecting part rotate together with the pointer shaft.
According to the mechanical pointer meter data reading device provided by the invention, the connecting part is an adjustable chuck. The size can be adjusted to adjustable chuck to can adapt to the pointer axle of different diameters, increase angular displacement sensor's application scope.
The adjustable chuck of the mechanical pointer meter data reading device provided by the invention comprises a fixing part and a movable clamping jaw, wherein one end of the movable clamping jaw is connected to the fixing part. The other end of the telescopic movable clamping jaw is a movable end, and the movable end is in a movable state in the radial direction of the detection shaft. The movable clamping jaw is a plurality of, and is a plurality of the movable clamping jaw winds the axis of detecting the axle evenly sets up, the pointer axle is placed between a plurality of movable clamping jaws. The adjustable chuck further comprises a locking ring, and the locking ring is used for adjusting the relative position of the movable ends of the movable clamping jaws, so that the movable clamping jaws are clamped on the pointer shaft.
According to the data reading device of the mechanical pointer meter, the locking ring is spirally connected to the fixing part, and the section of the inner cavity of the locking ring in the axial direction of the detection shaft is in a reduced state. The locking ring spirally rotates around the axis direction of the detection shaft.
The rotation direction of the locking ring of the mechanical pointer meter data reading device provided by the invention comprises positive rotation and negative rotation. And when the locking ring rotates around the detection shaft in the forward direction, the distance between the free ends of the movable chucks is gradually reduced, so that the movable clamping jaws are clamped on the pointer shaft. And when the locking ring rotates around the detection shaft in a reverse direction, the distance between the free ends of the movable chucks is gradually increased, so that the movable clamping jaws and the pointer shaft are loosened.
According to the mechanical pointer meter data reading device provided by the invention, the connecting part comprises a rotating arm and a pointer clamp arranged on the rotating arm, the rotating arm is connected to the detection shaft, the pointer clamp is clamped on the pointer, and the pointer drives the detection shaft to rotate through the pointer clamp and the rotating arm. The moment of effect when the pivot arm has increased the rotation of pointer is detecting the axle, can prevent connecting portion and pointer axle lug connection and the skid that leads to, reduces detection error, improves and detects the precision.
The data reading device of the mechanical pointer meter further comprises a wireless signal sending unit, wherein the wireless signal sending unit is in signal connection with the angle displacement sensor, and receives the detection data of the angle displacement sensor and sends the detection data outwards. The wireless signal sending unit can send the detection data outwards without cable connection, so that the volume of the data reading device is reduced, and the arrangement of the data reading device is more flexible and convenient.
According to the mechanical pointer meter data reading device provided by the invention, the wireless signal sending unit and the angle displacement sensor both adopt built-in power supplies. An external power supply is not needed, so that the arrangement of the data reading device is more flexible and convenient.
According to the mechanical pointer meter data reading device provided by the invention, a plurality of fixed claws are arranged around the axis of the detection shaft, one end of each fixed claw is connected to the angle displacement sensor, and the other end of each fixed claw is attached to the inner wall of the mechanical pointer meter. The angle entrusting sensors are fixed more firmly by the aid of the fixing claws, detection data are more accurate, and errors caused by movement of the angle displacement sensors are reduced.
According to the mechanical pointer meter data reading device provided by the invention, the fixed claws are arranged along the radial direction of the detection shaft, and the structure is simple and reliable.
According to the data reading device of the mechanical pointer meter, the fixed claw is rotationally connected to the angular displacement sensor, a torsion spring is further arranged between the fixed claw and the angular displacement sensor, and the torsion spring is used for expanding the fixed claw and pressing the fixed claw onto the inner wall of the mechanical pointer meter. The angle displacement sensor is fixed on the inner wall of the mechanical pointer meter by means of the compression force provided by the torsion spring, the rotation angle of the torsion spring is large, the torsion attenuation is small, and the angle displacement sensor can be repeatedly used.
According to the data reading device of the mechanical pointer meter, provided by the invention, the fixed claws are elastic bodies, and the plurality of fixed claws are compressed and then are spread, so that the angle displacement sensor is clamped on the inner wall of the mechanical pointer meter. The angle displacement sensor is fixed on the inner wall of the mechanical pointer meter by means of the elastic force generated after the fixed claw deforms, the fixed claw is simple in structure, low in production cost, strong in generated pressing force and firm in fixation.
According to the data reading device of the mechanical pointer meter, an anti-skid layer is arranged on one side, close to the inner wall of the mechanical pointer meter, of the fixed claw, and the friction coefficient between the anti-skid layer and the inner wall of the mechanical pointer meter is larger than that between the fixed claw and the inner wall of the mechanical pointer meter. Under the same pressing force, the friction between the fixed claw and the inner wall of the mechanical pointer meter is increased by the anti-slip layer, so that the angle displacement sensor is more firmly fixed.
According to the data reading device of the mechanical pointer meter, the rotating arm is a telescopic arm and can be adjusted according to the length of an actual pointer of the mechanical pointer meter, so that the application range of the rotating arm is enlarged. The rotary arm is also provided with a locking knob which can lock the telescopic arm, so that the length of the rotary arm is kept fixed in the operation process.
The invention provides a data reading device of a mechanical pointer meter, which is characterized in that an angle displacement sensor and a connecting part are arranged, and a detection shaft of the angle displacement sensor is coaxially connected with a pointer shaft of the mechanical pointer meter through the connecting part. When the pointer shaft rotates, the detection shaft rotates along with the pointer shaft, and the angle displacement sensor detects the rotation angle of the pointer shaft, so that the reading of the mechanical pointer meter is obtained.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic perspective view of a data reading device of a mechanical pointer table according to the present invention;
FIG. 2 is a schematic cross-sectional view of a data reading device of a mechanical pointer table according to the present invention; (ii) a
FIG. 3 is a second schematic perspective view of the data reading device of the mechanical pointer table of the present invention;
fig. 4 is a second schematic cross-sectional view of the data reading device of the mechanical pointer table of the present invention.
Reference numerals:
1: angular displacement sensor 2: a mechanical pointer meter; 3: a fixed jaw;
4: a pointer; 5: a pointer shaft; 6: detecting a shaft;
7: a rotating arm; 8: a pointer clip; 9: an adjustable chuck;
10: and an anti-slip layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Embodiments of the present invention are described below with reference to fig. 1 to 4. It is to be understood that the following description is only exemplary embodiments of the present invention and is not intended to limit the present invention. Fig. 1 to 3 show one embodiment of the present invention, and fig. 4 shows another embodiment.
One exemplary embodiment of the present invention is described below in conjunction with fig. 1 and 2.
According to the embodiment of the invention, the data reading device for the mechanical pointer meter comprises an angle displacement sensor 1, a fixed claw 3 and a wireless signal sending unit, wherein the angle displacement sensor 1 comprises a detection shaft 6, the detection shaft 6 and a pointer shaft 5 of a mechanical pointer 4 meter 2 are coaxially arranged, the angle displacement sensor 1 is arranged on the fixed claw 3, the angle displacement sensor 1 is fixed on the mechanical pointer 4 meter 2 through the fixed claw 3, a connecting part is arranged on the detection shaft 6 of the angle sensor, the detection shaft 6 is connected to the pointer shaft 5 of the mechanical pointer 4 meter 2 through the connecting part, and the detection shaft 6 and the connecting part rotate along with the pointer shaft 5. When the pointer shaft rotates, the detection shaft 6 rotates along with the pointer shaft 5, the rotation angle of the pointer shaft can be obtained from the rotation angle of the detection shaft 6, and the angle displacement sensor 1 detects the rotation angle of the pointer shaft 5, so that the reading of the mechanical pointer 4 is calculated.
In this embodiment, the connecting portion is an adjustable chuck 9. The size of the adjustable chuck 9 can be adjusted, so that the adjustable chuck can adapt to pointer shafts 5 with different diameters, and the application range of the angular displacement sensor 1 is enlarged.
The adjustable chuck 9 comprises a fixed part and a movable clamping jaw, and one end of the movable clamping jaw is connected to the fixed part. The other end of the movable clamping jaw is a movable end, and the movable end is in a movable state in the radial direction of the detection shaft. The movable clamping jaws are multiple, the movable clamping jaws are uniformly arranged around the axis of the detection shaft 6, and the pointer shaft 5 is placed among the movable clamping jaws. The adjustable chuck 9 further comprises a locking ring for adjusting the relative position between the movable ends of the plurality of movable jaws so that the gripping jaws clamp onto the pointer shaft 5. The locking ring is screwed on the fixing part, the section of the inner cavity of the locking ring in the axial direction of the detection shaft 6 is in a reduced state, and the locking ring is screwed around the axial direction of the detection shaft 6. The rotation direction of the locking ring comprises positive rotation and reverse rotation, and the distance between the free ends of the movable chucks is gradually reduced when the locking ring rotates positively, so that the clamping jaws are clamped on the pointer shaft 5. When the locking ring rotates reversely, the distance between the free ends of the movable chucks is gradually increased, so that the clamping jaws are separated from the pointer shaft 5.
In this embodiment, 3 stationary dog 3 are, and 3 stationary dog 3 are around the axle center of detecting axle 6 along the radial setting of detecting axle 6, simple structure, reliable. One end of the fixed claw 3 is connected to the angular displacement sensor 1, and the other end of the fixed claw 3 is attached to the inner wall of the mechanical pointer 4 meter 2. The 3 fixing claws 3 are used for fixing the angle entrusting sensor more firmly, so that the detection data is more accurate, and the error caused by the movement of the angle displacement sensor 1 is reduced. The radial setting of fixed claw 3 along detecting axle 6, fixed claw 3 is the elastomer, struts after 3 fixed claw 3 compressions, blocks angle displacement sensor 1 on the inner wall of mechanical pointer 4 table 2. The angular displacement sensor 1 is fixed on the inner wall of the mechanical pointer 4 and the meter 2 by means of the elastic force generated after the fixed claw 3 deforms, the fixed claw 3 of the elastic body is simple in structure, low in production cost, strong in generated pressing force and firm in fixation.
The side of the fixed claw 3 close to the inner wall of the mechanical pointer 4 watch 2 is provided with an anti-slip layer 10, and the friction coefficient between the anti-slip layer 10 and the inner wall of the mechanical pointer 4 watch 2 is larger than that between the fixed claw 3 and the inner wall of the mechanical pointer 4 watch 2. Under the same pressing force, the anti-slip layer 10 increases the friction between the fixing claw 3 and the inner wall of the mechanical pointer 4 and the surface 2, so that the angle displacement sensor 1 is more firmly fixed.
The wireless signal transmitting unit and the angular displacement sensor 1 both adopt built-in power supplies. An external power supply is not needed, so that the arrangement of the data reading device is more flexible and convenient.
During the in-service use, open mechanical pointer table, put into mechanical pointer table after 3 stationary dog 3 compression, fixed dog 3 struts after loosening, blocks angle displacement sensor 1 on the inner wall of mechanical pointer 4 table 2. The adjustable chuck 9 is aligned with the pointer shaft 5 and then locked, so that the pointer shaft 5 is reliably connected with the detection shaft 6. When the pointer shaft 5 rotates, the detection shaft 6 rotates together with the pointer shaft 5, the angular displacement sensor 1 thereby detects the rotation angle of the pointer shaft 5, reads the detection data of the mechanical pointer 4 table 2, and converts the data into a digital signal. The wireless signal transmitting unit is in signal connection with the angular displacement sensor 1, and receives the detection data of the angular displacement sensor 1 and transmits the detection data to the outside. The wireless signal sending unit can send the detection data outwards without cable connection, so that the volume of the data reading device is reduced, and the arrangement of the data reading device is more flexible and convenient.
Another exemplary embodiment of the present invention is described below with reference to fig. 3 and 4.
According to the embodiment of the invention, the data reading device for the mechanical pointer meter comprises an angle displacement sensor 1, a fixed claw 3 and a wireless signal sending unit, wherein the angle displacement sensor 1 comprises a detection shaft 6, the detection shaft 6 and a pointer shaft 5 of a mechanical pointer 4 meter 2 are coaxially arranged, the angle displacement sensor 1 is arranged on the fixed claw 3, the angle displacement sensor 1 is fixed on the mechanical pointer 4 meter 2 through the fixed claw 3, a connecting part is arranged on the detection shaft 6 of the angle sensor, the detection shaft 6 is connected to the pointer shaft 5 of the mechanical pointer 4 meter 2 through the connecting part, and the detection shaft 6 and the connecting part rotate along with the pointer shaft 5.
In this embodiment, connecting portion include swinging boom 7 and the pointer checkpost 8 of setting on swinging boom 7, and swinging boom 7 is connected on detecting axle 6, and pointer checkpost 8 joint is on pointer 4, and pointer 4 detects axle 6 through the drive of pointer checkpost 8 and swinging boom 7 and rotates. The moment acting on the detection shaft 6 when the rotating arm 7 increases the rotation of the pointer can prevent the connecting part from being directly connected with the pointer shaft 5 to cause slipping, reduce detection errors and improve detection precision. Preferably, the rotating arm 7 is a telescopic arm, and can be adjusted according to the length of an actual mechanical pointer meter pointer, so that the application range of the rotating arm 7 is increased. The rotating arm 7 is also provided with a locking knob which can lock the telescopic arm, so that the length of the rotating arm 7 is kept fixed in the operation process.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a machinery pointer table data reading device which characterized in that, includes angular displacement sensor and stationary dog, angular displacement sensor is including detecting the axle, it sets up with the pointer axle of machinery pointer table is coaxial to detect the axle, angular displacement sensor sets up on the stationary dog, angular displacement sensor passes through the stationary dog is fixed on machinery pointer table, angular displacement sensor's the epaxial connecting portion that is provided with that detects, it connects to detect the axle through connecting portion the pointer of machinery pointer table is epaxial, detect the axle and the connecting portion is followed pointer axle rotates together.
2. The mechanical pointer meter data reading apparatus of claim 1 wherein the connecting portion is an adjustable collet.
3. The data reading device of the mechanical pointer meter as claimed in claim 1, wherein the connecting portion includes a rotating arm and a pointer clip disposed on the rotating arm, the rotating arm is connected to the detecting shaft, the pointer clip is clipped on the pointer of the mechanical pointer meter, and the pointer drives the detecting shaft to rotate through the pointer clip and the rotating arm.
4. The data reading device of the mechanical pointer meter as recited in claim 1, further comprising a wireless signal transmitting unit, wherein the wireless signal transmitting unit is in signal connection with the angular displacement sensor, and the wireless signal transmitting unit receives the detection data of the angular displacement sensor and transmits the detection data to the outside.
5. The mechanical pointer meter data reading device of claim 4, wherein the wireless signal transmitting unit and the angular displacement sensor both use built-in power supplies.
6. The mechanical pointer meter data reading device of any one of claims 1 to 5, wherein the fixed claws are arranged around the axis of the detection shaft, one end of each fixed claw is connected to the angular displacement sensor, and the other end of each fixed claw is attached to the inner wall of the mechanical pointer meter.
7. Mechanical pointer meter data reading device according to claim 6, characterized in that the fixed jaw is arranged in radial direction of the detection shaft.
8. The mechanical pointer meter data reading device of claim 6, wherein the fixed claw is rotatably connected to the angular displacement sensor, and a torsion spring is further disposed between the fixed claw and the angular displacement sensor, and the torsion spring expands the fixed claw and presses the fixed claw against an inner wall of the mechanical pointer meter.
9. The mechanical pointer meter data reading device of claim 6, wherein the fixed claws are elastic bodies, and a plurality of the fixed claws are compressed and then spread to clamp the angular displacement sensor on the inner wall of the mechanical pointer meter.
10. The mechanical pointer meter data reading device as claimed in claim 6, wherein an anti-slip layer is arranged on one side of the fixed claw close to the inner wall of the mechanical pointer meter, and the friction coefficient between the anti-slip layer and the inner wall of the mechanical pointer meter is larger than the friction coefficient between the fixed claw and the inner wall of the mechanical pointer meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110789105.XA CN113655698B (en) | 2021-07-13 | 2021-07-13 | Mechanical pointer table data reading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110789105.XA CN113655698B (en) | 2021-07-13 | 2021-07-13 | Mechanical pointer table data reading device |
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| Publication Number | Publication Date |
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| CN113655698A true CN113655698A (en) | 2021-11-16 |
| CN113655698B CN113655698B (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110789105.XA Active CN113655698B (en) | 2021-07-13 | 2021-07-13 | Mechanical pointer table data reading device |
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| CN210742355U (en) * | 2019-08-19 | 2020-06-12 | 云南安珏电气科技有限公司 | Novel electric energy detection equipment |
| CN211234452U (en) * | 2020-01-19 | 2020-08-11 | 北京安达维尔科技股份有限公司 | Angle of attack sensor angle test fixture |
| CN212514818U (en) * | 2020-06-11 | 2021-02-09 | 广州恒泰电力工程有限公司 | Static load detection device for electric power engineering |
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2021
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| JP2007212354A (en) * | 2006-02-10 | 2007-08-23 | Seiko Instruments Inc | Watch hand position detector and watch having same |
| CN202522360U (en) * | 2012-01-17 | 2012-11-07 | 东莞市迈恩传感科技有限公司 | Mechanical pressure gauge |
| CN203798267U (en) * | 2014-04-18 | 2014-08-27 | 四川工程职业技术学院 | Reading indicating structure of dial indicator |
| CN206387435U (en) * | 2016-11-13 | 2017-08-08 | 郭玉栋 | A kind of pointer direct-reading remote transmission instrument |
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|---|---|
| CN113655698B (en) | 2023-07-14 |
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