CN104483699B - Resistive plate room detector - Google Patents

Resistive plate room detector Download PDF

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Publication number
CN104483699B
CN104483699B CN201410852533.2A CN201410852533A CN104483699B CN 104483699 B CN104483699 B CN 104483699B CN 201410852533 A CN201410852533 A CN 201410852533A CN 104483699 B CN104483699 B CN 104483699B
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CN
China
Prior art keywords
circuit board
glass workpiece
sealing strip
resistive plate
plate room
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CN201410852533.2A
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CN104483699A (en
Inventor
王�义
吕鹏飞
施礼
程建平
李元景
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Tsinghua University
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Tsinghua University
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/29Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
    • G01T1/2914Measurement of spatial distribution of radiation
    • G01T1/2921Static instruments for imaging the distribution of radioactivity in one or two dimensions; Radio-isotope cameras
    • G01T1/2935Static instruments for imaging the distribution of radioactivity in one or two dimensions; Radio-isotope cameras using ionisation detectors

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

The invention discloses a kind of resistive plate room detector, resistive plate room detector includes:First circuit board, second circuit board, first glass workpiece, second glass workpiece, first graphite linings, second graphite linings, 3rd glass workpiece and the sealing strip for being formed as annular shape, second circuit board and first circuit board are spaced apart from each other setting, sealing strip is connected between first circuit board and second circuit board and limits annular seal space jointly with first circuit board and second circuit board, air inlet and gas outlet formed with setting spaced apart on sealing strip, air inlet and gas outlet are connected with annular seal space, wherein the first glass workpiece, second glass workpiece and the 3rd glass workpiece are respectively positioned in annular seal space.According to the resistive plate room detector of the present invention, it is self-seal type multi-gap resistive plate chamber detector, there are self sealss, it need not be put into gas box, it can work independently, so as to eliminate the cost for making gas box, prepare required duration of ventilation and gas exchanges time before shortening experiment.

Description

Resistive plate room detector
Technical field
The present invention relates to nuclear radiation detection technical field, more particularly, to a kind of resistive plate room detector.
Background technology
Multi-gap resistive plate chamber detector (Multi-gap Resistive Plate Chamber, abbreviation MRPC) is near A kind of new gas detector developed rapidly for over ten years, because it has, time resolution is good, detection efficient is high, low cost Honest and clean, easy large area manufactures and is not easy the advantages that affected by magnetic fields, thus is widely used in building high-energy physics and nuclear physics Large-scale flight time detection system in experiment.MRPC in correlation technique is open, it is necessary to which the offer of metal gas box is close Space is closed for gas, however, the cost of manufacture that metal gas box not only adds detector is made, and the stream of large volume Gas box, which also implies that, needs longer duration of ventilation preparing experiment, simultaneously as the volume of confined space it is larger, can also caused by The problem of gas exchange efficiency is relatively low, the service behaviour of detector is caused to decline.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art.Therefore, the invention reside in propose one Kind resistive plate room detector, the resistive plate room detector have self sealss.
According to the resistive plate room detector of the present invention, including:First circuit board;Second circuit board, the second circuit board It is spaced apart from each other setting with the first circuit board;First glass workpiece and the second glass workpiece, first glass workpiece and described Two glass workpieces are located between the first circuit board and the second circuit board, and first glass workpiece is adjacent to the described first electricity Road plate is set, and second glass workpiece is set adjacent to the second circuit board;First graphite linings, first graphite linings are located at institute State a side surface of the neighbouring first circuit board of the first glass workpiece;Second graphite linings, second graphite linings are located at described One side surface of the neighbouring second circuit board of the second glass workpiece;3rd glass workpiece, the 3rd glass workpiece are located at described Between one glass workpiece and second glass workpiece;Be formed as the sealing strip of annular shape, the sealing strip is connected to described first Annular seal space is limited jointly between circuit board and the second circuit board and with the first circuit board and the second circuit board, Air inlet and gas outlet formed with setting spaced apart on the sealing strip, the air inlet and the gas outlet with it is described close Envelope chamber is connected, wherein first glass workpiece, second glass workpiece and the 3rd glass workpiece are respectively positioned on the annular seal space It is interior.
It is self-seal type multi-gap resistive plate chamber detector according to the resistive plate room detector of the present invention, has well Self sealss, without being put into gas box, it can work independently, so as to eliminate the cost for making gas box, and due to stream Gas unit volume is smaller, can greatly shorten the duration of ventilation prepared before experiment, think that more valuable times are striven in experiment, And exchange efficiency of the gas in the detector of resistive plate room is improved to a certain extent, improve resistive plate room detector Service behaviour.
Alternatively, the sealing strip is connected to the first circuit board and the second circuit board surfaces opposite to each other On, and the sealing strip is set adjacent to the edge of the first circuit board and the second circuit board.
Specifically, the sealing strip bonding connection is in the first circuit board and the second circuit board table relative to each other On face.
Further, the resistive plate room detector further comprises:At least one insulated connecting piece, it is at least one described Insulated connecting piece is connected after passing through the first circuit board and the sealing strip with the second circuit board.
Alternatively, the insulated connecting piece is nylon screw.
Yet further, the junction of the first circuit board and the second circuit board and the sealing strip passes through respectively Silica gel part seals.
Specifically, the first circuit board and the second circuit board are all formed as quadrangle form, the sealing bar shaped As quadrangular ring-shaped, wherein the air inlet and the gas outlet are respectively formed at the sealing strip two sides relative to each other On.
Further, the sealing strip include being sequentially connected first while to the 4th, the air inlet is formed described First while the neighbouring described 4th while one end, the gas outlet formed the described 3rd while neighbouring described second while one End, and the gas outlet is higher than the air inlet on the thickness direction of first glass workpiece.
Alternatively, the sealing strip includes four sub- sealing strips that head and the tail are sequentially connected.
Alternatively, the sealing strip is connected to the periphery of the first circuit board and the second circuit board.
Alternatively, the sealing strip is polymethyl methacrylate part.
Further, the 3rd glass workpiece be spaced for multiple and the multiple 3rd glass workpiece turn up the soil be located at it is described Between first glass workpiece and second glass workpiece.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Fig. 1 is the explosive view of resistive plate room detector according to embodiments of the present invention;
Fig. 2 is the part sectioned view of the resistive plate room detector shown in Fig. 1;
Fig. 3 is the schematic diagram of the first sub- sealing strip shown in Fig. 2.
Reference:
100:Resistive plate room detector;
11:First circuit board;12:Second circuit board;
21:First glass workpiece;22:Second glass workpiece;23:3rd glass workpiece;
31:First dielectric film;32:Second dielectric film;
4:Sealing strip;41:First sub- sealing strip;42:Second sub- sealing strip;
43:3rd sub- sealing strip;44:4th sub- sealing strip;
45:Air inlet;46:Connecting hole;
51:First cellular board;52:Second cellular board;
61:Nylon threaded fastener;63:Nylon fishing line.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.For letter Change disclosure of the invention, hereinafter the part and setting of specific examples are described.Certainly, they are only example, and Purpose does not lie in the limitation present invention.In addition, the present invention can in different examples repeat reference numerals and/or letter.It is this heavy It is the relation between itself not indicating discussed various embodiments and/or setting for purposes of simplicity and clarity again.This Outside, the invention provides various specific techniques and material examples, but those of ordinary skill in the art can be appreciated that The applicable property of other techniques and/or the use of other materials.
Below with reference to Fig. 1-Fig. 3 descriptions resistive plate room detector 100 according to embodiments of the present invention.
As depicted in figs. 1 and 2, resistive plate room detector 100 according to embodiments of the present invention, including:First circuit board 11, Second circuit board 12, the first glass workpiece 21, the second glass workpiece 22, the first graphite linings, the second graphite linings, the 3rd glass workpiece 23 and Be formed as the sealing strip 4 of annular shape.Wherein, first circuit board 11 and second circuit board 12 can be printed circuit board (again Claim printed substrate, Printed Circuit Board, abbreviation PCB), the first glass workpiece 21, the second glass workpiece 22, the 3rd glass Glass part 23 can be float glass.
Specifically, second circuit board 12 and first circuit board 11 are spaced apart from each other setting.As depicted in figs. 1 and 2, the first electricity Road plate 11 and second circuit board 12 can be respectively formed as square plate, and the chi of first circuit board 11 and second circuit board 12 Very little to be substantially the same, first circuit board 11 is abreast arranged on the top of second circuit board 12, and the lower surface of first circuit board 11 It is spaced apart up and down with the upper surface of second circuit board 12.
Further, the first glass workpiece 21 and the second glass workpiece 22 be located at first circuit board 11 and second circuit board 12 it Between.As depicted in figs. 1 and 2, the first glass workpiece 21 and the second glass workpiece 22 can also be respectively formed as square plate, and first The size of the glass workpiece 22 of glass workpiece 21 and second is substantially the same and is slightly less than the chi of first circuit board 11 or second circuit board 12 Very little, the first glass workpiece 21 and the second glass workpiece 22 are folded between first circuit board 11 and second circuit board 12.
Wherein, the first glass workpiece 21 is set adjacent to first circuit board 11, and the second glass workpiece 22 is set adjacent to second circuit board 12 Put.As depicted in figs. 1 and 2, the first glass workpiece 21 is abreast arranged on the top of the second glass workpiece 22, and is abreast arranged on The lower section of one circuit board 11, and the upper and lower surface of the first glass workpiece 21 respectively with the lower surface of first circuit board 11 and The upper surface of two glass workpieces 22 is spaced apart up and down, and the second glass workpiece 22 is abreast arranged on the lower section of the first glass workpiece 21, and flat Be arranged on the top of second circuit board 12 capablely, and the upper and lower surface of the second glass workpiece 22 respectively with the first glass workpiece 21 Lower surface and second circuit board 12 upper surface up and down be spaced apart.
Specifically, the first graphite linings are located at a side surface of the neighbouring first circuit board 11 of the first glass workpiece 21, the second stone Layer of ink is located at a side surface of the neighbouring second circuit board 12 of the second glass workpiece 22.As depicted in figs. 1 and 2, the first graphite linings are set On the upper surface of the first glass workpiece 21, the second graphite linings are located on the lower surface of the second glass workpiece 22.For example, can be by first On upper surface of the graphite linings coated in the first glass workpiece 21, by lower surface of second graphite linings coated in the second glass workpiece 22.
As depicted in figs. 1 and 2, it is provided with the first dielectric film 31 between the first graphite linings and first circuit board 11, such as can be with It is polyester film (i.e. Mylar films), the first through hole being formed through on the first dielectric film 31, first through hole is interior to be filled with first Graphite flake, the lower surface of the first graphite flake contacts with the first graphite linings to be connected, and has on the lower surface of first circuit board 11 downward First pin of protrusion, the first pin and first through hole face, and the lower extreme point of the first pin is only against the first graphite flake up and down Upper surface on, thus, the first dielectric film 31 can keep apart the first graphite linings and first circuit board 11, and the first pin passes through First graphite flake is formed with the first graphite linings and electrically connected.
As depicted in figs. 1 and 2, it is provided with the second dielectric film 32 between the second graphite linings and second circuit board 12, such as can be with It is Mylar films, the second through hole being formed through on the second dielectric film 32 is filled with the second graphite flake in second through hole, and second The upper surface of graphite flake contacts with the second graphite linings to be connected, and has protruding upward second to draw on the upper surface of second circuit board 12 Pin, second pin and upper face under the second through hole, and the upper extreme point of second pin is only against on the lower surface of the second graphite flake, by This, the second dielectric film 32 can keep apart the second graphite linings and second circuit board 12, second pin by the second graphite flake with Second graphite linings form electrical connection.
Thus, it is possible to the first high-tension bus-bar (not shown) is welded on first circuit board 11 so that the first high-tension bus-bar (not shown) is electrically connected with the first pin, has high pressure port on the first high-tension bus-bar (not shown), correspondingly, The second high-tension bus-bar (not shown) can be welded on second circuit board 12 so that the second high-tension bus-bar (not shown) and the Two pins are electrically connected, and have high pressure port on the second high-tension bus-bar (not shown), so as to pass through the first high pressure High pressure port and the first pin on electric wire (not shown) apply high pressure to the first graphite linings so that the first glass workpiece 21 is formed For the first high-field electrode, while by the high pressure port on the second high-tension bus-bar (not shown) and second pin to the second graphite Layer applies high pressure so that the second glass workpiece 22 is formed as the second high-field electrode, and then can cause the first glass workpiece 21 and second Uniform electric field is formed between glass workpiece 22.
Further, at least one 3rd glass workpiece 23 is provided between the first glass workpiece 21 and the second glass workpiece 22, also To say, the 3rd glass workpiece 23 be located at the first glass workpiece 21 side away from the first graphite linings and the second glass workpiece 22 away from the The side of two graphite linings, alternatively, the 3rd glass workpiece 23 is spaced to turn up the soil for multiple and multiple 3rd glass workpieces 23 is located at the Between one glass workpiece 21 and the second glass workpiece 22.As depicted in figs. 1 and 2, each 3rd glass workpiece 23 can be formed as square Shape flat board, and the size of multiple 3rd glass workpieces 23 can be equal respectively and be slightly less than the first glass workpiece 21 or the second glass workpiece 22 size, multiple 3rd glass workpieces 23 are generally parallel to one another setting, and two the 3rd glass workpieces 23 of arbitrary neighborhood are upper and lower It is spaced apart on direction.
During assembling, multiple nylon threaded fasteners 61 (such as nylon staple) can be used by the electricity of first circuit board 11 and second Road plate 12 links together.Such as in the example of fig. 1 and 2, the left side of first circuit board 11 and a left side for second circuit board 12 Side is connected by multiple nylon staples being spaced apart in the longitudinal direction, the right side of first circuit board 11 and the right side of second circuit board 12 Side connects also by multiple spaced apart nylon staples in the longitudinal direction, by the first dielectric film 31, the first glass workpiece 21, multiple 3rd glass workpiece 23, the second glass workpiece 22 and the second dielectric film 32 be folded in first circuit board 11 and second circuit board 12 it Between.
Specifically, as depicted in figs. 1 and 2, during assembling, multiple nylon threaded fasteners 61 can be inserted first The relevant position being located on second circuit board 12, then the second dielectric film 32 and the second glass workpiece 22, Ran Hou are sequentially installed The top arrangement first layer nylon fishing line 63 of second glass workpiece 22, first layer nylon fishing line 63 can be one, and in right and left Sequentially alternately it is wrapped on multiple nylon threaded fasteners 61 of the left and right sides of second circuit board 12 upwards and on fore-and-aft direction, Then one the 3rd glass workpiece 23 can be set above first layer nylon fishing line 63, then in the top of the 3rd glass workpiece 23 One layer of nylon fishing line 63 is re-layed, such as can be identical with the paving mode of first layer nylon fishing line 63, then again above it Another the 3rd glass workpiece 23 is arranged, the like, until arranging last layer of Buddhist nun above last the 3rd glass workpiece 23 After dragonfish line 63, the first glass workpiece 21, the first dielectric film 31 and first circuit board 11 can be sequentially placed again, finally by multiple Buddhist nuns Imperial threaded fastener 61 is locked on first circuit board 11.
As depicted in figs. 1 and 2, so that can as the space between the first glass workpiece 21 and the second glass workpiece 22 of external electrode To be separated by some pieces of the 3rd parallel glass workpieces 23, and pass through nylon fishing line 63 between adjacent two the 3rd glass workpieces 23 Keep apart, to ensure that there is certain gap between two adjacent the 3rd glass workpieces 23, it is preferable that straight when nylon fishing line 63 When footpath is 0.2mm-0.3mm, nylon fishing line 63 will can be supported between two adjacent the 3rd glass workpieces 23 0.2mm~ 0.3mm air gap.
Preferably, as depicted in figs. 1 and 2, the outside of first circuit board 11, such as the first honeycomb can be set on upper surface Plate 51, the first cellular board 51 can be used for the intensity for strengthening first circuit board 11, to avoid the flexural deformation of first circuit board 11 Problem, the outside of second circuit board 12, such as the second cellular board 52 can be set on lower surface, the second cellular board 52 can be used for Strengthen the intensity of second circuit board 12, to avoid the flexural deformation problem of second circuit board 12.
Further, first reads bar (not shown) on first circuit board 11, the first reading bar can be arranged on Between the upper surface of first circuit board 11 and the lower surface of the first cellular board 51, correspondingly, have second on second circuit board 12 Bar (not shown) is read, the second reading bar can be arranged on the lower surface of second circuit board 12 and the upper end of the second cellular board 52 Between face, the first reading bar and the second reading bar can be respectively by being arranged in the front side of first circuit board 11 and the pad phase of rear side Even, specifically, pad opposing upper and lower can be welded together by multiple contact pins, be read so as to which contact pin can play by first Bar and the second reading bar are electrically connected and first circuit board 11 are supported on into the double action above second circuit board 12. Thus, induced signal can be obtained by the first reading bar and the second reading bar.Here, it is necessary to which explanation, first reads bar There is output end (not shown) with least one go up among the second reading bar, for induced signal is exported.So as to To measure the flight time of particle.Thus, resistive plate room detector 100 can turn into the detection of gas with high timing accuracy Device, for measurement high-energy physics and particle flight time in nuclear physics experiment.
As shown in figure 1, sealing strip 4 is formed as annular, and it is connected between first circuit board 11 and second circuit board 12, from And sealing strip 4 can limit annular seal space (i.e. independent gas room) jointly with first circuit board 11 and second circuit board 12, the One dielectric film 31, the first glass workpiece 21, multiple 3rd glass workpieces 23, the second glass workpiece 22 and the second dielectric film 32 are respectively positioned on close Seal intracavitary, that is to say, that the sealing strip 4 for being formed as annular is looped around the first dielectric film 31, the first glass workpiece 21, multiple 3rd glass The periphery of glass part 23, the second glass workpiece 22 and the second dielectric film 32, to cause the first glass workpiece 21, multiple 3rd glass workpieces 23 And second glass workpiece 22 be limited to sealing strip 4 and that first circuit board 11, second circuit board 12 limit jointly is closed close Seal intracavitary.Wherein, sealing strip 4 is made using high-insulativity material, such as sealing strip 4 can be polymethyl methacrylate part.
Further, as shown in Figure 1-Figure 3, formed with the air inlet 45 of setting spaced apart and gas outlet (figure on sealing strip 4 It is not shown), air inlet 45 and gas outlet are connected with annular seal space, so as to which working gas can flow into annular seal space by air inlet 45 It is interior, to enter in the electric field formed by the first glass workpiece 21 and the second glass workpiece 22, then flow out from gas outlet.
Thus, pass through and sealing strip 4 is set between first circuit board 11 and second circuit board 12 so that sealing strip 4 and the One circuit board 11, second circuit board 12 limit an independent gas room (i.e. annular seal space) jointly, so that the present invention's is resistive Plate room detector 100 can seal to itself, be needed when carrying out normal work with independent, and then having abandoned traditional MRPC work The gas box to be used, overcomes a variety of limitations caused by metal gas box, can not only save make gas box into This, and because gas unit volume is smaller, can greatly shorten the duration of ventilation prepared before experiment, strive for for experiment more Valuable time, and exchange efficiency of the gas in resistive plate room detector 100 is improved to a certain extent, improve resistive The service behaviour of plate room detector 100.
Resistive plate room detector 100 according to embodiments of the present invention, is self-seal type multi-gap resistive plate chamber detector, tool There are good self sealss, without being put into gas box, can work independently, so as to eliminate the cost for making gas box, and And because gas unit volume is smaller, can greatly shorten the duration of ventilation prepared before experiment, strive for more preciousnesses for experiment Time, and improve exchange efficiency of the gas in resistive plate room detector 100 to a certain extent, improve resistive plate room The service behaviour of detector 100.
In one embodiment of the invention, sealing strip 4 is connected to first circuit board 11 and second circuit board 12 phase each other To surface on, and sealing strip 4 adjacent to the edge of first circuit board 11 and second circuit board 12 set.Such as Fig. 1's and Fig. 2 In example, sealing strip 4 can be constructed generally as square annular, and the outer ring size of sealing strip 4 be slightly less than first circuit board 11 or The size of second circuit board 12, so as to which sealing strip 4 can be set adjacent to the edge of first circuit board 11 and second circuit board 12, and The upper surface of sealing strip 4 can link together with the lower surface of first circuit board 11, and the lower surface of sealing strip 4 can be with second The upper surface of circuit board 12 is linked together, and now, sealing strip 4 can also be played first circuit board 11 and second circuit board 12 The effect supported up and down.
Certainly, the invention is not restricted to this, in another embodiment of the present invention, sealing strip 4 can also be connected to first The periphery of circuit board 11 and second circuit board 12 (not shown).That is, sealing strip 4 can be constructed generally as square ring Shape, and the interior ring size of sealing strip 4 can be equal to the size of first circuit board 11 or second circuit board 12, so as to which sealing strip 4 can To be looped around the periphery of first circuit board 11 and second circuit board 12, and the internal perisporium of sealing strip 4 can be with first circuit board 11 Periphery wall and the periphery wall of second circuit board 12 link together.
Below, only so that sealing strip 4 is connected on first circuit board 11 and the surfaces opposite to each other of second circuit board 12 as an example Illustrate.Preferably, the bonding connection of sealing strip 4 is on first circuit board 11 and the surfaces opposite to each other of second circuit board 12. That is, the upper surface of sealing strip 4 can be linked together with the lower surface of first circuit board 11 by bonding mode, example It can such as be bonded together by epoxide-resin glue, the lower surface of sealing strip 4 can pass through with the upper surface of second circuit board 12 The mode of bonding links together, such as can be bonded together by epoxide-resin glue.
Further, resistive plate room detector 100 further comprises:At least one insulated connecting piece (not shown), extremely A few insulated connecting piece is (not shown) through being connected with second circuit board 12 after first circuit board 11 and sealing strip 4.Thus, Insulated connecting piece (not shown) can play support, positioning, strengthen connection multiple action, it is preferable that (figure is not for insulated connecting piece Show) can be nylon screw.
Such as in the example of fig. 3, it is more formed with multiple longitudinally connected holes 46 run through along the vertical direction on sealing strip 4 Individual longitudinally connected hole 46 is spaced apart on first circuit board 11 and the length direction of the corresponding side of second circuit board 12 and set, so as to even , can be (not shown) through behind second circuit board 12, corresponding multiple longitudinally connected holes 46 by multiple insulated connecting pieces when connecing Linked together with first circuit board 11, so that it is guaranteed that sealing strip 4 can be firm with first circuit board 11 and second circuit board 12 Ground positioning, link together.
Yet further, the junction of first circuit board 11 and second circuit board 12 and sealing strip 4 passes through silica gel part respectively Sealing, that is to say, that when Nian Jie and insulated connecting piece is respectively adopted with first circuit board 11 and second circuit board 12 in sealing strip 4 After (not shown) connection, silica gel part can also be further set in the junction of sealing strip 4 and first circuit board 11, with reality Existing first circuit board 11 and the sealing of the junction of sealing strip 4, and simultaneously in the junction with second circuit board 12 of sealing strip 4 Silica gel part can also be further set, to realize second circuit board 12 and the sealing of the junction of sealing strip 4, so as to ensure to seal The air-tightness of chamber is good so that gas room has sealing well.
Specifically, first circuit board 11 and second circuit board 12 are all formed as quadrangle form, and sealing strip 4 is formed as four sides Shape ring-type, wherein air inlet 45 and gas outlet are respectively formed on two sides relative to each other of sealing strip 4.Such as showing in Fig. 1 In example, first circuit board 11 and second circuit board 12 are respectively formed as square shape, and sealing strip 4 is again formed as square annular, The air inlet 45 run through is could be formed with the sealing strip 4 in first circuit board 11 and the left side of second circuit board 12, positioned at the The gas outlet run through is could be formed with one circuit board 11 and the sealing strip 4 on the right side of second circuit board 12, so as to the He of air inlet 45 Gas outlet is respectively on two relative sides of sealing strip 4 or so.Thus, the gas flowed into from air inlet 45 can comprehensively, It is even, sufficiently pass through annular seal space (gas room), to improve the detection accuracy of particle flight time.
In addition, it is necessary to the shape of explanation, first circuit board 11 and second circuit board 12 can also be according to actual requirement Set, preferably to meet actual requirement, such as first circuit board 11 and second circuit board 12 may be formed as it is trapezoidal etc..
Alternatively, sealing strip 4 can include four sub- sealing strips that head and the tail are sequentially connected, and four sub- sealing strips can be first Tail is sequentially connected to be spliced into square annular.Thus, it is possible to be effectively reduced processing cost, production efficiency is improved.Certainly, this hair Bright not limited to this, sealing strip 4 can also be formed in one part, that is to say, that and sealing strip 4 can be molded with overall processing, so as to To effectively improve the air-tightness of annular seal space.
Below, only illustrated so that sealing strip 4 is made up of four be sequentially connected from beginning to end sub- sealing strips 4 as an example.
Such as in the example of fig. 1, sealing strip 4 include be sequentially connected the first sub- sealing strip 41, the second sub- sealing strip 42, 3rd sub- 43 and the 4th sub- sealing strip 44 of sealing strip, wherein, the first sub- sealing strip 41 extends along the longitudinal direction, and is connected to first Left side between circuit board 11 and second circuit board 12, the second sub- sealing strip 42 extend in left-right direction, and are connected to the first electricity Front side between road plate 11 and second circuit board 12, the 3rd sub- sealing strip 43 extends along the longitudinal direction, and is connected to the first circuit Right side between plate 11 and second circuit board 12, the 4th sub- sealing strip 44 extends along front left dextrad, and is connected to first circuit board Rear side between 11 and second circuit board 12, wherein, the front end of the first sub- sealing strip 41 and the left end phase of the second sub- sealing strip 42 Even, the right-hand member of the second sub- sealing strip 42 is connected with the front end of the 3rd sub- sealing strip 43, the rear end and the 4th of the 3rd sub- sealing strip 43 The right-hand member of sub- sealing strip 44 is connected, and the left end of the 4th sub- sealing strip 44 is connected with the rear end of the first sub- sealing strip 41, so as to seal Bar 4 can be spliced into square annular.
Further, the first sub- sealing strip 41 is located at the first glass workpiece 21, multiple 3rd glass workpieces 23 and the second glass The left side of part 22, and can be fixed on by epoxide-resin glue and nylon screw on first circuit board 11 and second circuit board 12, Second sub- sealing strip 42 is located at the front side of the first glass workpiece 21, multiple 3rd glass workpieces 23 and the second glass workpiece 22, and can be with It is fixed on by epoxide-resin glue and nylon screw on first circuit board 11 and second circuit board 12, the 3rd sub- sealing strip 43 is located at The right side of first glass workpiece 21, multiple 3rd glass workpieces 23 and the second glass workpiece 22, and epoxide-resin glue and Buddhist nun can be passed through Imperial screw is fixed on first circuit board 11 and second circuit board 12, and the 4th sub- sealing strip 44 is located at the first glass workpiece 21, multiple The rear side of 3rd glass workpiece 23 and the second glass workpiece 22, and the first electricity can be fixed on by epoxide-resin glue and nylon screw On road plate 11 and second circuit board 12.
Thus, the first sub- sealing strip 41, the second sub- sealing strip 42, the 3rd sub- 43 and the 4th sub- sealing strip 44 of sealing strip can To do comprehensive sealing to resistive plate room detector 100, to cause resistive plate room detector 100 to be formed as the more air gaps of self-seal type Resistive plate room detector, that is to say, that sealing strip 4 can do comprehensive sealing to resistive plate room detector 100, resistive to cause Plate room detector 100 is formed as self-seal type multi-gap resistive plate chamber detector, to be clearly distinguished from opening in correlation technique Put formula MRPC.
In one embodiment of the invention, sealing strip 4 include being sequentially connected first while to the 4th, the shape of air inlet 45 Into first while the neighbouring 4th while one end, gas outlet formed the 3rd while neighbouring second while one end, and gas outlet exists It is higher than air inlet 45 on the thickness direction of first glass workpiece 21.Thus, the gas flowed into from air inlet 45 can more comprehensively, It is even, sufficiently pass through annular seal space (gas room), further to improve the detection accuracy of particle flight time.
As shown in figure 1, the first sub- sealing strip 41 can be the first side of sealing strip 4, the second sub- sealing strip 42 can be close Second side of strip of paper used for sealing 4, the 3rd sub- sealing strip 43 can be the 3rd side of sealing strip 4, and the 4th sub- sealing strip 44 can be sealing strip 4 The 4th side, air inlet 45 can run through the first sub- sealing strip 41 in left-right direction, and neighbouring first sub- sealing strip 41 it is rear under End opens up, and gas outlet can run through the 3rd sub- sealing strip 43 in left-right direction, and the preceding upper end of neighbouring 3rd sub- sealing strip 43 is opened If so as to further extend circulation path of the gas in annular seal space (gas room) so that the gas flowed into from air inlet 45 Body can more comprehensively, uniformly, sufficiently pass through annular seal space, further to improve the detection accuracy of particle flight time.
Below, reference picture 1 briefly describes resistive plate room detector 100 according to an embodiment of the invention.
As depicted in figs. 1 and 2, sealing strip 4 is arranged between top layer first circuit board 11 and bottom second circuit board 12, and Positioned at the outside of the first glass workpiece 21, the second glass workpiece 22 and at least one 3rd glass workpiece 23, during making, can use first Sealing strip 4 is fixed on first circuit board 11 by nylon screw, then will be sealed with epoxide-resin glue made of high-insulativity material Bar 4 is bonded together with first circuit board 11 and second circuit board 12, and uses silica gel sealing in bonding part, to ensure what is formed Resistive plate room detector 100 with self sealss is with good air-tightness so that sealing strip 4 and first circuit board 11 and second Bonding forms an independent annular seal space (gas room) between circuit board 12, that is to say, that so that the shape of resistive plate room detector 100 The entirety of the sealing independent into one, so, then on sealing strip 4 relevant position chisel take air inlet 45 and gas outlet, In order to the inflow of working gas and the outflow of waste gas.
Further, referring to Figures 1 and 2, each float glass is separated with nylon fishing line 63 in annular seal space (gas room), most Graphite linings are respectively coated in the outside of first glass workpiece 21 in outside and the outside of the second glass workpiece 22, to add high pressure so that first Can form uniform electric field between the glass workpiece 22 of glass workpiece 21 and second, then can again corresponding graphite linings it is outer successively Mylar films, circuit board are set, and the cellular board of support fixation has been connected on the outside of circuit board, then in circuit board and honeybee Set between nest plate and read bar, for induced signal, so as to which the signal that resistive plate room detector 100 is detected can be from reading bar Read.
In summary, resistive plate room detector 100 does not need metal gas box at work, and working gas can be by close Air inlet 45 and gas outlet on strip of paper used for sealing 4 flow in and out annular seal space (gas room), and high-voltage connecting is in resistive plate room detector 100 In high pressure port, to be electrically connected with the first glass workpiece 21 and the second glass workpiece 22 for being covered with graphite linings, so as on circuit board Reading bar can sense signal, and the output end of bar is (not shown) to be obtained by reading.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", The instruction such as " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " Orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of the description present invention and simplification retouched State, rather than instruction or imply signified device or element there must be specific orientation, with specific azimuth configuration and operation, Therefore it is not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more, Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc. Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally;Can be that machinery connects Connect or electrically connect, can also be communication;Can be joined directly together, can also be indirectly connected by intermediary, can be with It is connection or the interaction relationship of two elements of two element internals.For the ordinary skill in the art, may be used To understand the concrete meaning of above-mentioned term in the present invention as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification Close and combine.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that:Not In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this The scope of invention is limited by claim and its equivalent.

Claims (11)

  1. A kind of 1. resistive plate room detector, it is characterised in that including:
    First circuit board;
    Second circuit board, the second circuit board and the first circuit board are spaced apart from each other setting;
    First glass workpiece and the second glass workpiece, first glass workpiece and second glass workpiece be located at the first circuit board and Between the second circuit board, and first glass workpiece is set adjacent to the first circuit board, and second glass workpiece is neighbouring The second circuit board is set;
    First graphite linings, first graphite linings are located at the side table of the neighbouring first circuit board of first glass workpiece Face;
    Second graphite linings, second graphite linings are located at the side table of the neighbouring second circuit board of second glass workpiece Face;
    3rd glass workpiece, the 3rd glass workpiece are located between first glass workpiece and second glass workpiece;
    Be formed as the sealing strip of annular shape, the sealing strip is connected between the first circuit board and the second circuit board And annular seal space is limited jointly with the first circuit board and the second circuit board, opened up on the sealing strip formed with interval The air inlet put and gas outlet, the air inlet and the gas outlet are connected with the annular seal space,
    Wherein described first glass workpiece, second glass workpiece and the 3rd glass workpiece are respectively positioned in the annular seal space,
    The first circuit board and the second circuit board are all formed as quadrangle form, and the sealing strip is formed as tetracyclic ring Shape, wherein the air inlet and the gas outlet are respectively formed on the sealing strip two sides relative to each other.
  2. 2. resistive plate room detector according to claim 1, it is characterised in that the sealing strip is connected to first electricity On road plate and the second circuit board surfaces opposite to each other, and the sealing strip is adjacent to the first circuit board and described second The edge of circuit board is set.
  3. 3. resistive plate room detector according to claim 2, it is characterised in that the sealing strip bonding connection is described On one circuit board and the second circuit board surfaces opposite to each other.
  4. 4. resistive plate room detector according to claim 3, it is characterised in that further comprise:
    At least one insulated connecting piece, after at least one insulated connecting piece passes through the first circuit board and the sealing strip It is connected with the second circuit board.
  5. 5. resistive plate room detector according to claim 4, it is characterised in that the insulated connecting piece is nylon screw.
  6. 6. resistive plate room detector according to claim 4, it is characterised in that the first circuit board and second electricity The junction of road plate and the sealing strip is sealed by silica gel part respectively.
  7. 7. resistive plate room detector according to claim 1, it is characterised in that the sealing strip includes the be sequentially connected While to the 4th side, the air inlet formed described first while the neighbouring described 4th while one end, the gas outlet is formed The described 3rd while neighbouring described second while one end, and the gas outlet is high on the thickness direction of first glass workpiece In the air inlet.
  8. 8. resistive plate room detector according to claim 1, it is characterised in that the sealing strip includes head and the tail and is sequentially connected Four sub- sealing strips.
  9. 9. resistive plate room detector according to claim 1, it is characterised in that the sealing strip is connected to first electricity The periphery of road plate and the second circuit board.
  10. 10. resistive plate room detector according to claim 1, it is characterised in that the sealing strip is polymethyl methacrylate part.
  11. 11. the resistive plate room detector according to any one of claim 1-10, it is characterised in that the 3rd glass workpiece It is spaced to turn up the soil for multiple and the multiple 3rd glass workpiece and is located between first glass workpiece and second glass workpiece.
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CN104793229B (en) * 2015-04-20 2018-01-16 清华大学 Ray detector

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