CN210132577U

CN210132577U - Calibration membrane, fixed knot construct and calibration membrane processing frock

Info

Publication number: CN210132577U
Application number: CN201920726779.3U
Authority: CN
Inventors: 陈康宁; 丁万生; 李德安; 杨丽
Original assignee: Qingdao Minghua Electronic Instrument Co ltd
Current assignee: Qingdao Minghua Electronic Instrument Co ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-03-10
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses a calibration membrane, fixed knot construct and calibration membrane processing frock, including rectangle steel sheet and standard quality membrane, two relative edges of rectangle steel sheet have set firmly the conducting strip, and the other edge of rectangle steel sheet is equipped with the arch, and the central point of rectangle steel sheet puts and is equipped with the recess, and the central point of recess puts and is equipped with the through-hole, and standard quality membrane is glued through the shadowless and is located the recess in, and the degree of depth of recess is greater than the thickness of standard quality membrane, the utility model discloses a calibration membrane and fixing device cooperate, and the calibration membrane need not to put on the paper tape of dust meter during the use, and can fix a position the calibration membrane, make the calibration membrane be located the best detection position.

Description

Calibration membrane, fixed knot construct and calibration membrane processing frock

Technical Field

The utility model relates to a smoke and dust monitoring technology field, concretely relates to calibration membrane, fixed knot construct and calibration membrane processing frock.

Background

A Beta-ray method dust measuring instrument is an instrument for testing particles in smoke dust, and is improved and designed by a plurality of patents at present, such as Chinese patent 1 (the patent name: a paper feeding mechanism for measuring the smoke dust by the Beta-ray method, the application number: 201820042730.1), a calibration film which needs to be used for calibration after the Beta-ray method dust measuring instrument is used for a long time, and a plurality of patents at present are designed for the method, such as patent 2 (the patent name: a method for processing a filter membrane to obtain the calibration dust film and a method for performing off-site calibration by the calibration dust film, the application number: 201710165073. X), and patent 3 (the patent name: a manufacturing method of standard quality film for particle calibration by the β -ray method, the application number: 201210430372.9).

Currently, there are still some problems associated with calibrating Beta-ray dust meters using calibration films, including: (1) when the calibration film is used, the calibration film is usually placed on a paper tape of a dust meter, and the relative displacement of the paper tape can be caused by the fact that the calibration film extrudes the paper tape, so that the measurement result is influenced; (2) the calibration film cannot be positioned when in use, and further influences the measurement result.

In view of this, this utility model is especially proposed.

SUMMERY OF THE UTILITY MODEL

To exist not enough among the prior art, the utility model provides a calibration membrane and fixing device, the two mutually supports, and the calibration membrane need not to put on the paper tape of dust meter during the use, and can fix a position the calibration membrane.

The technical scheme of the utility model is realized like this:

the utility model provides a calibration membrane, includes rectangle steel sheet and standard quality membrane, and two relative edges of rectangle steel sheet have set firmly the conducting strip, and the other edge of rectangle steel sheet is equipped with the arch, and the central point of rectangle steel sheet puts and is equipped with the recess, and the central point of recess puts and is equipped with the through-hole, and standard quality membrane passes through the shadowless sticky and locates in the recess, and the degree of depth of recess is greater than the thickness of standard quality membrane.

Further, the cross section of the conducting bar is in an inverted L shape.

Furthermore, a handle is arranged on the edge of the rectangular steel sheet opposite to the bulge.

The utility model provides a fixed knot constructs, includes radiation source and the final assembly board in the beta ray method dust meter, the radiation source is installed on the final assembly board, still includes above-mentioned calibration membrane, still including installing the photoelectricity geminate transistor on the final assembly board, be equipped with the guide slot on the both sides face of radiation source perpendicular to final assembly board, the conducting bar of calibration membrane and the guide slot phase-match of radiation source, the conducting bar of calibration membrane is inserted in the guide slot after, the arch of calibration membrane can be inserted between two pairs of pipes of photoelectricity geminate transistor, and the standard quality membrane of calibration membrane is located under the radiation source.

The utility model provides a calibration membrane processing frock for process above-mentioned calibration membrane, its technical scheme is like this and realizes:

the utility model provides a calibration membrane processing frock, the on-line screen storage device comprises a base, still include the plank, a supporting plate, L shape handle, intermediate junction spare, the vertical pole, sleeve and mould drift, the plank subsides are located on the base, the backup pad vertically is installed on the base, the one end of L shape handle up, the other end passes through the pin and is connected with the backup pad, intermediate junction spare one end is passed through the pin and is connected with the turning of L shape handle, the other end passes through the pin and is connected with the top of vertical pole, the sleeve is fixed in on the backup pad, the vertical pole passes the sleeve, the mould drift is fixed in the bottom of vertical pole, be equipped with sharp edge down on the mould, sharp edge is located the plank top, still include ultraviolet lamp, ultraviolet.

The utility model has the advantages that:

(1) the utility model discloses a fixed knot constructs, during the use, inserts the guide slot internal fixation on the radiation source with the conducting bar of calibration membrane earlier, then pushes away the calibration membrane inwards along the guide slot, inserts between two pairs of pipes of photoelectricity geminate transistor until the arch of calibration membrane, the utility model discloses a fixed knot constructs, fixes the calibration membrane in the radiation source below through conducting bar and guide slot, need not to put on the paper tape, on the one hand again, fixes a position the left and right sides direction of calibration membrane through conducting bar and guide slot, and the arch of calibration membrane inserts the back between two pairs of pipes of photoelectricity geminate transistor, and the standard quality membrane of calibration membrane is located the radiation source below, fixes a position the fore-and-aft direction of calibration membrane.

(2) The standard quality film is arranged in the groove through the shadowless glue, the shadowless glue is fast to cure, no trace is left after the bonding, and the attractiveness is not influenced; the depth of the groove is greater than the thickness of the standard quality film, so that the standard quality film is prevented from being scratched when the calibration film is used; the edge opposite to the bulge on the rectangular steel sheet is provided with a handle, and after the guide strip of the calibration film is inserted into the guide groove on the radioactive source and fixed, the calibration film is conveniently pushed inwards.

(3) The utility model discloses a calibration membrane processing frock, during the use, put on the plank with the material tiling of standard quality membrane earlier, then through L shape handle one end up rotate L shape handle downwards, the turning downstream promotion vertical pole downstream of L shape handle this moment, the vertical pole downstream promotes mould drift downstream and cuts cutting of standard quality membrane, it is circular to cut out needs with the standard quality membrane, then paint the shadowless glue in the recess of rectangle steel sheet, the circular standard quality membrane that will cut pastes in the recess of rectangle steel sheet, then put the calibration membrane that makes up and shine under ultraviolet lamp and make the shadowless glue solidify, accomplish the processing of calibration membrane.

Drawings

FIG. 1 is a block diagram of an alignment film;

FIG. 2 is a front view of the fixed structure;

FIG. 3 is a view in the direction A-A of FIG. 2;

FIG. 4 is a block diagram of a calibration film processing tool;

fig. 5 is a left side view of fig. 4.

In the figure: 1-calibration film, 2-rectangular steel sheet, 3-standard quality film, 4-guide bar, 5-protrusion, 6-handle, 7-groove, 8-through hole, 9-general assembly plate, 10-photoelectric pair tube, 11-radioactive source, 12-guide groove, 13-base, 14-wood plate, 15-support plate, 16-L-shaped handle, 17-middle connecting piece, 18-vertical rod, 19-sleeve, 20-die punch, 21-pin, 22-corner of L-shaped handle, and 23-ultraviolet lamp.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application.

The first embodiment is as follows:

a fixed structure comprises a radioactive source and a general assembly plate in a beta-ray dust meter, wherein the radioactive source is installed on the general assembly plate through a screw, the embodiment is designed on the basis of the beta-ray dust meter disclosed by the embodiment of patent 1, the specific structure of the beta-ray dust meter is not repeated, and the fixed structure is different from the fixed structure in that as shown in figure 1, the fixed structure further comprises a calibration film 1 which comprises a rectangular steel sheet 2 and a standard quality film 3, the standard quality film 3 is a polyester film which is relatively slender and has certain strength and toughness and is not easy to damage, two opposite edges of the rectangular steel sheet 2 are respectively welded with a guide strip 4 with an inverted L-shaped cross section, the other edge of the rectangular steel sheet 2 protrudes outwards to form a bulge 5, the edge of the rectangular steel sheet 2 opposite to the bulge 5 protrudes outwards to form a handle 6, a groove steel sheet 7 is arranged at the central position of the rectangular steel sheet 2, and a through hole 8 is arranged at the central position of the groove 7, the standard mass film 3 is adhered in the groove 7 by a shadowless adhesive, the depth of the groove 7 is 0.5mm, the thickness of the standard mass film 3 is 0.005mm, and the cross sections of the groove 7 and the standard mass film 3 are both circular with the diameter of 33 mm. As shown in fig. 2 to 3, the calibration film further includes a photoelectric pair tube 10 mounted on the assembly plate 9 by a screw, two side faces of the radiation source 11 perpendicular to the assembly plate 9 are provided with guide grooves 12, and the guide strips 4 of the calibration film 1 are matched with the guide grooves 12 of the radiation source 11.

When the calibration film is used, the two guide strips 4 of the calibration film 1 are inserted into the two guide grooves 12 on the radioactive source 11 and fixed, then the calibration film 1 is pushed inwards along the guide grooves 12 until the protrusions 5 of the calibration film 1 are inserted between the two pairs of photoelectric pair tubes 10, after the protrusions 5 of the calibration film 1 are inserted between the two pairs of photoelectric pair tubes 10, the standard quality film 3 of the calibration film 1 is positioned under the radioactive source 11, and then the beta-ray method dust meter is calibrated.

Example two:

a calibration film processing device comprises a base 13, a wood board 14, a supporting plate 15, an L-shaped handle 16, an intermediate connecting piece 17, a vertical rod 18, a sleeve handle 17 and a die punch 20, wherein the wood board 14 is attached to the base 13, the supporting plate 15 is vertically arranged on the base 13, one end of the L-shaped handle 16 faces upwards, the other end of the L-shaped handle is connected with the supporting plate 15 through a pin 21, namely, the end of the L-shaped handle 16 can rotate relative to the supporting plate 15, the intermediate connecting piece 17 is two relative arc-shaped pieces, one end of the intermediate connecting piece 17 is connected with a corner 22 of the L-shaped handle through the pin 21, the other end of the intermediate connecting piece 17 is connected with the top end of the vertical rod 18 through the pin 21, namely, the two ends of the intermediate connecting piece 17 can rotate relative to the corner 22 of the L-shaped handle and the top end of the vertical rod 18, the sleeve, when the vertical rod 18 moves up and down in the sleeve 19, the sleeve 19 is used for limiting the movement track of the vertical rod 18, the die punch 20 is fixed at the bottom end of the vertical rod 18 through threads, a downward circular sharp edge is arranged on the die, the sharp edge is positioned above the wood board 14, and the ultraviolet lamp 23 is further included, and the ultraviolet lamp 23 is installed on the base 13 and faces the base 13.

When the calibration film is used, firstly, materials of the standard quality film are flatly laid on the wood board 14, then the L-shaped handle 16 is rotated downwards through the upward end of the L-shaped handle 16, at the moment, the corner 22 of the L-shaped handle moves downwards to push the vertical rod 18 to move downwards, the vertical rod 18 moves downwards to push the die punch 20 to move downwards and cut the standard quality film, the standard quality film is cut into a required round shape, then shadowless glue is smeared in the groove of the rectangular steel sheet, the cut round standard quality film is pasted in the groove of the rectangular steel sheet, then the combined calibration film 1 is placed under an ultraviolet lamp 23 to be irradiated to enable the shadowless glue to be solidified, the irradiation time is 5 seconds, and the calibration film 1 is processed.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a calibration membrane, includes rectangle steel sheet and standard quality membrane, its characterized in that, two relative edges of rectangle steel sheet have set firmly the conducting strip, and the other edge of rectangle steel sheet is equipped with the arch, and the central point of rectangle steel sheet puts and is equipped with the recess, and the central point of recess puts and is equipped with the through-hole, and standard quality membrane passes through the shadowless sticky and locates in the recess, and the degree of depth of recess is greater than the thickness of standard quality membrane.

2. An alignment film as in claim 1, wherein the cross-section of the conductive strips is inverted "L" shaped.

3. An alignment film according to claim 1, wherein the rectangular steel plate is provided with a handle on the side opposite to the projection.

4. A fixed structure comprises a radioactive source and a general assembly plate in a beta ray method dust meter, wherein the radioactive source is arranged on the general assembly plate, the fixed structure is characterized by further comprising a calibration film according to any one of claims 1 to 3, and further comprising photoelectric pair tubes arranged on the general assembly plate, guide grooves are formed in two side faces, perpendicular to the general assembly plate, of the radioactive source, guide strips of the calibration film are matched with the guide grooves of the radioactive source, after the guide strips of the calibration film are inserted into the guide grooves, protrusions of the calibration film can be inserted between two pairs of tubes of the photoelectric pair tubes, and a standard quality film of the calibration film is located right below the radioactive source.

5. The utility model provides a calibration membrane processing frock, a serial communication port, the on-line screen storage device comprises a base, still include the plank, a supporting plate, L shape handle, intermediate junction spare, the vertical pole, sleeve and mould drift, the plank subsides are located above the base, the backup pad vertically is installed on the base, the one end of L shape handle up, the other end passes through the pin and is connected with the backup pad, intermediate junction spare one end is passed through the pin and is connected with the turning of L shape handle, the other end passes through the pin and is connected with the top of vertical pole, the sleeve is fixed in on the backup pad, the vertical pole passes the sleeve, the mould drift is fixed in the bottom of vertical pole, be equipped with sharp edge down on the mould, sharp edge is located the plank top, still include ultraviolet lamp.