CN219368873U

CN219368873U - Volume correction instrument

Info

Publication number: CN219368873U
Application number: CN202223453718.5U
Authority: CN
Inventors: 侯畔畔; 王要武; 陈永生; 林丽君; 朱为聪; 黄日品; 钱月明
Original assignee: TANCY INSTRUMENT GROUP CO Ltd
Current assignee: TANCY INSTRUMENT GROUP CO Ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-07-18
Anticipated expiration: 2032-12-23

Abstract

The utility model relates to the technical field of metering instruments, in particular to a volume corrector for positioning a photoelectric head, which comprises a shell, wherein the shell is provided with a signal window; the positioning assembly is arranged on the signal window, a limiting piece is arranged on the end face, facing the photoelectric head, of the positioning assembly, and the limiting piece is matched with the photoelectric head. According to the volume corrector, the problem that the position of the photoelectric head adsorbed on the signal window is inaccurate in the prior art is well solved.

Description

Volume correction instrument

Technical Field

The utility model relates to the technical field of metering instruments, in particular to a volume corrector.

Background

This section provides merely background information related to the present disclosure and is not necessarily prior art.

The volume corrector is a metering device for ensuring modernization of flow management, and is mainly used for detecting signals of temperature, pressure, flow and the like of flow on line, the volume corrector is matched with metering devices such as a flowmeter and the like, and the working condition state volume measured by the metering devices such as the flowmeter and the like is automatically corrected by compression factors and the flow, and finally converted into standard state volume.

The USB pulse read-write photo head (hereinafter referred to as photo head) is inserted into a signal window of the volume corrector for reading signals of the volume corrector, but in the prior art, the photo head is generally fixed on the signal window through magnetic attraction, so that the photo head cannot be guaranteed to be aligned with a light emitting diode on an internal circuit board of the volume corrector after being adsorbed on the signal window, the position of the photo head needs to be manually adjusted, and the data reading efficiency is too low.

Disclosure of Invention

The utility model aims to at least solve the problem that the position of the photoelectric head adsorbed on a signal window is inaccurate in the prior art. The aim is achieved by the following technical scheme:

the first aspect of the present utility model proposes a volume corrector for positioning a photo head, comprising:

the shell is provided with a signal window;

the positioning assembly is arranged on the signal window, a limiting piece is arranged on the end face, facing the photoelectric head, of the positioning assembly, and the limiting piece is matched with the photoelectric head.

According to the volume corrector, the limiting piece is matched with the photoelectric head, so that the relative position of the photoelectric head and the signal window is effectively limited, the position of the photoelectric head can be aligned with the LED on the internal circuit board of the volume corrector, the position of the photoelectric head is not required to be manually adjusted, and the data reading efficiency is remarkably improved.

The volume corrector according to the present utility model may have the following additional technical features:

in some embodiments of the utility model, the positioning assembly includes a transparent post, at least a portion of which passes through the signal window and is located inside the housing.

In some embodiments of the present utility model, the number of the transparent posts is at least two, two of the transparent posts are disposed opposite to each other, and a gap exists between the two transparent posts.

In some embodiments of the present utility model, the positioning component includes a light guiding element and a magnetic attraction element, the magnetic attraction element is disposed in the signal window, the light guiding element is disposed on an end surface of the magnetic attraction element, which is away from the housing, the limiting element is disposed on an end surface of the light guiding element, which is away from the magnetic attraction element, the transparent column is disposed on an end surface of the light guiding element, which is toward the magnetic attraction element, and the transparent column sequentially penetrates through the magnetic attraction element and the signal window and is disposed in the housing, and the photoelectric head is magnetically attracted to the magnetic attraction element.

In some embodiments of the utility model, the light guide includes a transparent portion, and the transparent post is disposed on an end surface of the transparent portion facing the magnetic attraction member.

In some embodiments of the utility model, the light guide further includes a frosted portion, the frosted portion is sleeved on the outer side of the transparent portion, and the limiting member is disposed on an end surface of the frosted portion, which is away from the magnetic attraction member.

In some embodiments of the present utility model, a second through hole is provided on the magnetic attraction member, and the second through hole is used for penetrating the transparent column.

In some embodiments of the present utility model, the signal window is provided with a first through hole, the first through hole is used for penetrating the transparent column, and the second through hole is communicated with the first through hole and forms a signal channel.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

FIG. 1 schematically illustrates an exploded view of a volume corrector with a photoeye device in accordance with an embodiment of the present utility model;

fig. 2 schematically illustrates a schematic view of a structure in which a light guide column and a stopper and a transparent column are positioned according to an embodiment of the present utility model;

fig. 3 schematically shows a first view-angle schematic according to fig. 2.

Reference numerals illustrate:

10 is a volume corrector, 20 is a photoelectric head;

1 is a shell, 11 is a signal window, and 111 is a first through hole;

2 is a positioning component, 21 is a magnetic attraction piece, 211 is a second through hole, 22 is a light guide piece, 221 is a transparent part, 222 is a frosted part, 23 is a limiting piece, and 24 is a transparent column.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For ease of description, spatially relative terms, such as "inner," "outer," "lower," "below," "upper," "above," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "under" or "beneath" other elements or features would then be oriented as follows

"over" or "over" other elements or features. Thus, the example term "below … …" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.

Referring to fig. 1, the volume corrector 10 includes a housing 1, a signal window 11 is provided on the housing 1, and a circuit board is provided therein, and a light emitting diode is provided on the circuit board.

Referring to fig. 1, a volume corrector 10 according to the present utility model is provided for positioning an optoelectronic device

The head 20, the locating component 2 locates the signal window 11, locating component 2 face the terminal surface of the photoelectrode 20 and set up 0 and have the locating part 23, the locating part 23 cooperates with photoelectrode 20.

According to the volume corrector 10 of the utility model, the position of the photoelectric head 20 is effectively limited by the cooperation of the limiting piece 23 and the photoelectric head 20, the position of the photoelectric head 20 can be aligned with the LED on the circuit board inside the volume corrector 10, the position of the photoelectric head 20 is not required to be manually adjusted, and the data reading efficiency is remarkably improved.

5 specifically, the light of the signal emitted from the led on the circuit board passes through the positioning component 2 and is collected by the photo head 20, the other end of the photo head 20 can be connected with an electronic device for transmitting the signal to the electronic device and converting the signal into a specific value, but the light of the led is scattered due to the longer distance between the photo head 20 and the led, thereby causing the signal light

After passing through the positioning component 2, the wire cannot be received by the optical pick-up head 20, so that the optical pick-up head 20 cannot read the signal light from 0.

As shown in fig. 1, 2 and 3, the positioning assembly 2 includes a transparent column 24, the transparent column 24 has better light transmittance, at least part of the transparent column 24 penetrates through the signal window 11 and is located in the housing 1, and the transparent column 24 is opposite to the light emitting diode, so that the signal light emitted from the light emitting diode is concentrated through the transparent column 24 and is received by the photo head 20, and finally the signal read by the photo head 20 is stable.

With continued reference to fig. 2 and 3, further, since the number of transparent columns 24 is at least two, the led includes a transmitting end and a receiving end, and the optical pick-up head 20 also includes a transmitting end and a receiving end, one of the transparent columns 24 is used for transmitting signal light from the transmitting end of the led to the transmitting end of the optical pick-up head 20, so as to derive a numerical signal of the volume corrector 10, and the numerical signal is transmitted by the optical pick-up head 20 to an electronic device for display; another transparent post 24 is used to transmit signal light from the emitting end of the photo head 20 to the emitting end of the led for adjusting parameters within the volume corrector 10 by an operator using electronics.

And the two transparent columns 24 are required to be arranged oppositely, and a gap exists between the two transparent columns 24, so that interference between two signal light rays is avoided to influence information transmission.

Referring to fig. 1, specifically, one end of the positioning component 2 is disposed at the signal window 11 of the volume corrector 10, and the other end is used for positioning and fixing the photo head 20, the positioning component 2 is non-detachably connected with the housing 1, and the photo head 20 is detachably connected with the positioning component 2 for plugging and unplugging the photo head 20.

In some embodiments of the present utility model, the positioning assembly 2 is composed of a light guide 22 and a magnetic attraction piece 21, the light guide 22 and the magnetic attraction piece 21 may be connected by welding, bonding or integrating, the magnetic attraction piece 21 and the volume corrector 10 may also be connected by welding, bonding or integrating, the light guide 22 is disposed on the end surface of the magnetic attraction piece 21 away from the casing 1, the limiting piece 23 is disposed on the end surface of the light guide 22 away from the magnetic attraction piece 21, so as to facilitate connection with the optical head 20, the transparent column 24 is disposed on the end surface of the light guide 22 facing the magnetic attraction piece 21, and the transparent column 24 sequentially penetrates through the magnetic attraction piece 21 and the signal window 11 and is located inside the casing 1, and the effect of disposing the transparent column 24 is described above, which is not repeated herein.

Preferably, the signal window 11 is provided with a first through hole 111, the magnetic attraction piece 21 is provided with a second through hole 211, the first through hole 111 and the second through hole 211 are respectively used for penetrating the transparent column 24, and the first through hole 111 and the second through hole 211 are communicated and form a signal channel so as to be used for facilitating the transparent column 24 to sequentially penetrate the magnetic attraction piece 21 and the signal window 11 and be positioned in the shell 1.

Specifically, the photo head 20 is magnetically matched with the magnetic attraction piece 21, and the photo head 20 is in limit fit with the limit piece 23, so that the photo head 20, the light guide piece 22 and the magnetic attraction piece 21 are positioned; the end of the photoeye 20 near the light guide 22 is provided with a magnet, which is magnetically matched with the magnetic attraction piece 21, and the magnetic attraction piece 21 can be a metal plate, preferably a galvanized steel plate.

Referring to fig. 2, in some embodiments of the present utility model, in order to enable the signal light from the light emitting diode to smoothly pass through the light guide 22, a central portion of the light guide 22 is set as a transparent portion 221, and the transparent post 24 is disposed on an end surface of the transparent portion 221 facing the magnetic attraction member 21; the transparent portion is preferably a plastic open mold, rather than being made of glass, for reducing production costs.

Meanwhile, the transparent portion 221 is axially aligned with the second through hole 211, and a portion of the transparent post 24 is disposed in the signal channel, so that the signal light can smoothly pass through the signal window 11, the magnetic attraction member 21 and the light guide member 22 and be received by the optical head 20.

With continued reference to fig. 2, further, the light guide 22 further includes a frosted portion 222, the frosted portion 222 is sleeved on the outer side of the transparent portion 221, and the limiting member 23 is disposed on the end surface of the frosted portion 222, which is away from the magnetic attraction member 21, and the effect of setting the frosted portion 222 is that: on the one hand, the frosted part 222 can not pass through the signal light, so that the scattering of the light is reduced, and the stability of the signal read by the photoelectric head 20 is promoted to a certain extent; on the other hand, the surface of the frosted portion 222 is rough, so that when the photoeye 20 is abutted against the frosted portion 222, the friction between the two parts is increased, and the positioning firmness of the photoeye 20 is promoted to a certain extent.

Specifically, the positioning member 23 is used for positioning and fixing the photo-electric head 20, and the positioning manner between the positioning member 23 and the photo-electric head 20 is not limited herein, and may be a detachable connection manner such as a clamping connection, a plugging connection, or the like.

In some embodiments of the present utility model, the photo head 20 is in plug-in fit with the limiting member 23, and the number of the limiting member 23 is not limited herein, and may be one, two or more, correspondingly, a limiting hole is provided on the photo head 20, and when the photo head 20 is in plug-in fit with the limiting member 23, the limiting member 23 is inserted into the limiting hole; therefore, when the photoelectric head 20 is in plug-in fit with the limiting piece 23, the positioning position of the photoelectric head can be aligned with the LED on the circuit board inside the volume corrector 10, the position of the photoelectric head 20 is not required to be manually adjusted, and the data reading efficiency is remarkably improved; meanwhile, the photoelectric head 20 cannot rotate due to the fact that the photoelectric head 20 is in plug-in fit with the limiting piece 23.

Referring to fig. 2 and 3, in some embodiments of the present utility model, the number of the limiting members 23 is plural, and the end surfaces of the plurality of limiting members 23 and the light guiding member 22 away from the magnetic attraction member 21 together form a positioning space, and the photo head 20 is inserted into the positioning space, so that the photo head 20 is in plug-in fit with the positioning space, and the position of the photo head 20 can be aligned with the light emitting diode on the internal circuit board of the volume corrector 10, without manually adjusting the position of the photo head 20, so that the efficiency of reading data is significantly improved.

Since most of the photo heads 20 are cylindrical at one end near the stoppers 23, the inner side surfaces of any of the stoppers 23 are arc-shaped for firmly holding the photo heads 20.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. A volume corrector for positioning a photoeye, comprising:

the shell is provided with a signal window;

2. The volume corrector of claim 1, wherein the positioning assembly comprises a transparent post, at least a portion of the transparent post extending through the signal window and being positioned within the housing.

3. The volume corrector as set forth in claim 2, wherein the number of the transparent columns is at least two, the two transparent columns are disposed opposite to each other with a gap therebetween.

4. The volume corrector according to claim 2, wherein the positioning assembly comprises a light guide member and a magnetic attraction member, the magnetic attraction member is arranged in the signal window, the light guide member is arranged on the end face of the magnetic attraction member, which is away from the shell, the limiting member is arranged on the end face of the light guide member, which is away from the magnetic attraction member, the transparent column is arranged on the end face of the light guide member, which is towards the magnetic attraction member, the transparent column sequentially penetrates through the magnetic attraction member and the signal window and is positioned in the shell, and the photoelectric head is in magnetic attraction fit with the magnetic attraction member.

5. The volume corrector as set forth in claim 4, wherein the light guide comprises a transparent portion, and the transparent post is provided on an end surface of the transparent portion facing the magnetic attraction member.

6. The volume corrector of claim 5, wherein the light guide further comprises a frosted portion, the frosted portion is sleeved outside the transparent portion, and the limiting member is arranged on an end surface of the frosted portion, which is away from the magnetic attraction member.

7. The volume corrector of claim 1, wherein the photoeye is in mating engagement with the stop member.

8. The volume corrector as set forth in claim 4, wherein the number of the limiting members is plural, and the plurality of limiting members and the end surface of the light guide member facing away from the magnetic attraction member together constitute a positioning space for positioning the photo head.

9. The volume corrector as set forth in claim 4, wherein the magnetic attraction member is provided with a second through hole for penetrating the transparent column.

10. The volume corrector as set forth in claim 9, wherein the signal window is provided with a first through hole for penetrating the transparent column, and the second through hole is communicated with the first through hole and constitutes a signal passage.