CN214372688U - Photoelectric conversion device for transmitter - Google Patents
Photoelectric conversion device for transmitter Download PDFInfo
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- CN214372688U CN214372688U CN202120648943.0U CN202120648943U CN214372688U CN 214372688 U CN214372688 U CN 214372688U CN 202120648943 U CN202120648943 U CN 202120648943U CN 214372688 U CN214372688 U CN 214372688U
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- photoelectric encoder
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- rotating shaft
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Abstract
The utility model provides a photoelectric conversion device for sender, including the magnetism steel seat, be equipped with the magnet steel on the magnetism steel seat, still include: a photoelectric encoder; the axis of rotation, the one end screw in of axis of rotation in the magnetism steel seat, the other end of axis of rotation stretches into in the photoelectric encoder, in order to connect photoelectric encoder with magnetism steel seat works as when the magnet steel receives the magnetic force conduction, through the axis of rotation drives photoelectric encoder is rotatory to be made photoelectric encoder exports optical signal. The utility model provides a traditional photoelectric conversion device part fragile, the more loaded down with trivial details and more scheduling technical problem of part of process flow.
Description
Technical Field
The utility model relates to a signal sender technical field especially relates to a photoelectric conversion device for signal sender.
Background
The transmitter is an important component of a flow meter product matched with the transmitter in the aviation fuel market, is used as a core sensor of the flow meter, and is used for converting measured flow of different fluid media in metering chambers of the flow meter with different calibers and different discharge capacities into pulse electric signals and outputting the pulse electric signals to an intelligent flow meter capable of displaying the volume of the measured flow. In the transmitter component, the photoelectric conversion device plays an important role, and its photoelectric conversion performance usually determines the quality and quality of the overall resolution, stability, etc. of the transmitter.
Fig. 1 is a schematic diagram showing a structure of a photoelectric conversion device in the prior art; in the assembling process, the rotating shaft 1.1 is firstly screwed into the magnetic steel seat 1.9, then the sliding bearing 1.7 is arranged in the inner shaft sleeve 1.8, the code disc seat 1.6 is arranged in the rotating shaft 1.1 to be compressed, a special tool is used for punching the taper pin hole, the taper pin 1.4 is punched into the pin hole, the end surface of the code disc seat 1.6 is coated with glue, the code disc 1.5 is pressed on the code disc seat 1.6, then the code disc pressing sheet 1.3 penetrates through the rotating shaft 1.1 to be pressed on the end surface of the code disc 1.5, the nut gasket 1.2 is screwed along with the rotating shaft 1.1, and finally the magnetic steel 1.10 is arranged in the magnetic steel seat 1.9.
During the actual assembly and use, the following problems are gradually found: (1) in the process of assembling the photoelectric conversion device, vulnerable parts such as the coded disc pressing sheet 1.3 and the coded disc 1.5 are easy to deform and warp, and the integral accuracy of the transmitter is influenced; (2) in the assembly process, the code disc 1.5 needs to be glued and adhered to the code disc seat 1.6, pin holes need to be punched on the rotating shaft 1.1, and then the taper pins 1.4 are driven into the rotating shaft 1.1, so that the process flow is complicated, and the single piece assembly efficiency is low; (3) the required parts are more, and part of parts processing degree of difficulty is big, and manufacturing cost is high.
SUMMERY OF THE UTILITY MODEL
To exist not enough among the prior art, the utility model provides a send out photoelectric conversion device for ware to traditional photoelectric conversion device part fragile, the more loaded down with trivial details of process flow and the more technical problem such as part in the solution correlation technique.
The utility model provides a photoelectric conversion device for sender, including the magnetism steel seat, be equipped with the magnet steel on the magnetism steel seat, still include:
a photoelectric encoder;
the axis of rotation, the one end screw in of axis of rotation in the magnetism steel seat, the other end of axis of rotation stretches into in the photoelectric encoder, in order to connect photoelectric encoder with magnetism steel seat works as when the magnet steel receives the magnetic force conduction, through the axis of rotation drives photoelectric encoder is rotatory to be made photoelectric encoder exports optical signal.
The utility model discloses a theory of operation: when the device is used, the magnetic steel is conducted by the magnetic force of another part in the transmitter, the photoelectric encoder is driven to rotate through the rotating shaft, the inside of the photoelectric encoder is processed by the relevant integrated circuit, two kinds of light and dark light signals are transmitted to the transmitter, and the light and dark light signals are transmitted to the transmitter through the processing circuit and are sent out stable and regular pulse signals.
Compared with the prior art, the utility model discloses following beneficial effect has:
firstly, parts such as a code disc and the like are integrated by utilizing a photoelectric encoder, and the exposed parts such as the code disc and the like which are easy to warp and deform are wrapped and protected, so that the damage of assembly operation to related parts is effectively avoided, and the accuracy of a transmitter is ensured;
secondly, the assembly process flow is simplified, the single piece assembly efficiency is improved, and the process flows of code disc gluing, taper pin hole drilling, taper pin punching, code disc pressing and the like in the prior art are eliminated, so that the assembly time is greatly reduced;
thirdly, the total number of parts is reduced, the production and processing cost is reduced, namely, the parts such as a nut gasket, a code disc pressing sheet and a code disc seat in the prior art are eliminated, and the processing difficulty of the parts such as the code disc and the code disc pressing sheet is reduced.
Furthermore, a rotating shaft screwed into the magnetic steel seat is provided with a thread structure and is in threaded connection with the magnetic steel seat.
Further, the outer surface of the rotating shaft is coated with an adhesive layer so as to seal and adhere the rotating shaft and the magnetic steel seat.
Further, the bonding layer is thread glue.
The bearing is arranged in the bearing sleeve and then sleeved on the rotating shaft.
Further, the bottom of the photoelectric encoder is abutted to the end face of the bearing sleeve to fix the photoelectric encoder.
Further, stretch into the cover is equipped with holding screw on the axis of rotation in the photoelectric encoder, and is rotatory holding screw, in order to incite somebody to action the axis of rotation is fixed in the photoelectric encoder.
Furthermore, a code disc is arranged in the photoelectric encoder, and the code disc is a film code disc.
Further, the magnetic steel is embedded into the magnetic steel seat.
Further, the photoelectric encoder is positioned above the magnetic steel seat.
Drawings
FIG. 1 is a schematic structural view of a photoelectric conversion device in the prior art;
FIG. 2 is a schematic structural view of the present invention;
the reference numbers illustrate:
1.1, a rotating shaft; 1.2, nut gasket; 1.3, code disc pressing; 1.4, taper pins; 1.5, code disc; 1.6, a code disc seat; 1.7, sliding bearings; 1.8, an inner shaft sleeve; 1.9, a magnetic steel seat; 1.10, magnetic steel; 2.1, a photoelectric encoder; 2.2, a rotating shaft; 2.3, a bearing; 2.4, bearing sleeves; 2.5, a magnetic steel seat; 2.6, magnetic steel; 2.7, tightening the screw.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
In order to make the objects, technical solutions and advantageous effects of the present invention more clearly understood, the following technical solutions of the present invention are further described with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 2, a photoelectric conversion device for a transmitter comprises a magnetic steel base 2.5, a photoelectric encoder 2.1 and a rotating shaft 2.2. Magnet steel 2.6 imbeds in magnet steel seat 2.5, and photoelectric encoder 2.1 is located the top of magnet steel seat 2.5 (in this embodiment, photoelectric encoder 2.1's structure, the integrated circuit that its inside contains and its theory of operation are prior art, and no longer detailed here). Parts such as the code disc and the like are integrated by utilizing the photoelectric encoder 2.1, the exposed parts such as the code disc and the like which are easy to warp and deform are wrapped and protected, the damage of assembly operation to related parts is effectively avoided, and the accuracy of the transmitter is ensured.
In the one end screw in magnetic steel seat 2.5 of axis of rotation 2.2, in the other end of axis of rotation 2.2 stretched into photoelectric encoder 2.1 to connect photoelectric encoder 2.1 and magnetic steel seat 2.5, when magnet steel 2.6 received the magnetic force conduction, it is rotatory to drive photoelectric encoder 2.1 through axis of rotation 2.2, and inside behind relevant integrated circuit processing of photoelectric encoder 2.1, with two kinds of light signal transmission of light and shade for the signaling part. The magnetic steel seat 2.5 is connected with the photoelectric encoder 2.1 through the rotating shaft 2.2, so that the purpose of photoelectric conversion is achieved, the total number of parts is reduced, the assembly process is simplified, the efficiency is improved, and the production cost is reduced.
The rotating shaft 2.2 screwed into the magnetic steel seat 2.5 is provided with a thread structure and is in threaded connection with the magnetic steel seat 2.5; the outer surface of the rotating shaft 2.2 is coated with an adhesive layer to seal and adhere the rotating shaft 2.2 and the magnetic steel seat 2.5; the bonding layer is made of thread glue. Thereby fixing the lower part of the rotating shaft 2.2 in the magnetic steel seat 2.5.
The device also comprises a bearing 2.3 and a bearing sleeve 2.4, wherein the bearing 2.3 is arranged in the bearing sleeve 2.4 and then sleeved on the rotating shaft 2.2; the bottom of the photoelectric encoder 2.1 abuts against the end face of the bearing sleeve 2.4 to fix the photoelectric encoder 2.1.
The rotating shaft 2.2 extending into the photoelectric encoder 2.1 is sleeved with a set screw 2.7, and the set screw 2.7 is rotated to fix the rotating shaft 2.2 into the photoelectric encoder 2.1. The set screw 2.7 is used for fastening the rotating shaft 2.2, so that the technological processes of code disc gluing, taper pin hole drilling, taper pin punching, code disc pressing and the like in the prior art are eliminated, the assembly time is greatly reduced, and the assembly efficiency is improved.
The photoelectric encoder 2.1 is internally provided with a code disc which is a film code disc. Because the code wheel in the general photoelectric encoder 2.1 is a metal code wheel (for example: 0.1 mm stainless steel code wheel), the metal code wheel is easy to deform in the processing process, but the thin film code wheel is not easy to deform, and the code channels are more than those of the metal code wheel, thereby ensuring the accuracy of the transmitter.
The working principle of the embodiment is as follows: when the device is used, the magnetic steel 2.6 is conducted by the magnetic force of another part in the signal transmitter, the photoelectric encoder 2.1 is driven to rotate through the rotating shaft 2.2, the inside of the photoelectric encoder 2.1 is processed by the related integrated circuit, and then the light and dark optical signals are transmitted to the signal transmitting part, and the signal transmitting part transmits stable and regular pulse signals through the processing circuit.
The coded disc part of the embodiment is integrated integrally, and the coded disc which is originally exposed outside is wrapped, so that damage to easily damaged parts caused by misoperation is avoided; the assembly process flow is simplified, the single piece assembly efficiency is improved, and the process flows of code disc gluing, taper pin hole drilling, taper pin punching, code disc pressing and the like in the prior art are eliminated, so that the assembly time is greatly reduced; the total number of parts is reduced, the production and processing cost is reduced, parts such as a nut gasket, a code disc pressing sheet and a code disc seat in the prior art are eliminated, and the processing difficulty of the parts such as the code disc and the code disc pressing sheet is reduced.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (10)
1. The utility model provides a photoelectric conversion device for signaling apparatus, is including magnetism steel base (2.5), be equipped with magnet steel (2.6) on magnetism steel base (2.5), its characterized in that still includes:
a photoelectric encoder (2.1);
axis of rotation (2.2), the one end screw in of axis of rotation (2.2) in magnetism steel holder (2.5), the other end of axis of rotation (2.2) stretches into in photoelectric encoder (2.1), in order to connect photoelectric encoder (2.1) with magnetism steel holder (2.5), work as when magnet steel (2.6) receive magnetic force conduction, through axis of rotation (2.2) drive photoelectric encoder (2.1) is rotatory to be made photoelectric encoder (2.1) output optical signal.
2. The optoelectronic transducer for a transponder according to claim 1, characterized in that the rotating shaft (2.2) screwed into the magnetic steel base (2.5) has a threaded structure and is screwed into the magnetic steel base (2.5).
3. The optoelectronic transducer for a transponder according to claim 1 or 2, characterized in that the outer surface of the rotating shaft (2.2) is coated with an adhesive layer to seal and bond the rotating shaft (2.2) and the magnetic steel base (2.5).
4. The photoelectric conversion device for a transmitter according to claim 3, wherein the adhesive layer is a thread glue.
5. The optoelectronic transducer for a transmitter according to any one of claims 1, 2 or 4, further comprising a bearing (2.3) and a bearing housing (2.4), wherein the bearing (2.3) is installed in the bearing housing (2.4) and then sleeved on the rotating shaft (2.2).
6. The optoelectronic transducer according to claim 5, wherein the bottom of the optoelectronic encoder (2.1) abuts against the end surface of the bearing sleeve (2.4) to fix the optoelectronic encoder (2.1).
7. The optoelectronic transducer according to claim 5, wherein a set screw (2.7) is sleeved on the rotating shaft (2.2) extending into the optoelectronic encoder (2.1), and the set screw (2.7) is rotated to fix the rotating shaft (2.2) in the optoelectronic encoder (2.1).
8. The device according to any of claims 1, 2 and 4, characterized in that the photoelectric encoder (2.1) has a code disc, and the code disc is a thin film code disc.
9. The optoelectronic transducer for a transponder according to claim 1, characterized in that the magnetic steel (2.6) is embedded in the magnetic steel holder (2.5).
10. The optoelectronic transducer for a transmitter of claim 1, wherein the optoelectronic encoder (2.1) is located above the magnetic steel base (2.5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120648943.0U CN214372688U (en) | 2021-03-30 | 2021-03-30 | Photoelectric conversion device for transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120648943.0U CN214372688U (en) | 2021-03-30 | 2021-03-30 | Photoelectric conversion device for transmitter |
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| Publication Number | Publication Date |
|---|---|
| CN214372688U true CN214372688U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120648943.0U Active CN214372688U (en) | 2021-03-30 | 2021-03-30 | Photoelectric conversion device for transmitter |
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| CN (1) | CN214372688U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114812628A (en) * | 2022-03-10 | 2022-07-29 | 朝阳市加华电子有限公司 | Method and device for mounting novel photoelectric encoder code disc |
-
2021
- 2021-03-30 CN CN202120648943.0U patent/CN214372688U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114812628A (en) * | 2022-03-10 | 2022-07-29 | 朝阳市加华电子有限公司 | Method and device for mounting novel photoelectric encoder code disc |
| CN114812628B (en) * | 2022-03-10 | 2023-09-19 | 朝阳市加华电子有限公司 | Method for installing code disc of photoelectric encoder |
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