Downward illumination type X-ray fluorescence spectrophotometer

Abstract

The utility model discloses a downward illumination type X-ray fluorescence spectrophotometer which comprises a box body, the upper part of the box body is provided with a test panel, the test panel divides the box body into an operation cavity and a mounting cavity which are arranged up and down, and the test panel is provided with a test hole communicated with the operation cavity and the mounting cavity; the internal assembly comprises an X-ray light tube and a detector which are mounted in the operation cavity, and a light path formed by the transmitting end of the X-ray light tube and the receiving end of the detector in the mounting cavity faces the test hole; the sample testing table is slidably mounted on the testing panel in the operation cavity, and a through hole for placing a sample on the light path in the mounting cavity is further formed in the sample testing table; the adjusting mechanism is installed on the sample testing table and used for adjusting the position of the sample in the first direction and / or the second direction, the first direction is the length direction of the testing panel, and the second direction is the width direction of the testing panel. According to the utility model, the position of the sample can be accurately adjusted by using the adjusting assembly, so that the detection accuracy is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to fluorescent detection equipment technical field, concretely relates to a downlight X ray fluorescence spectrometer. BACKGROUND

[0002] X ray fluorescence spectrometer is a kind of instrument that the electron transition characteristic spectrum released by the substance to be measured excited by X ray is detected to carry out substance component analysis.Can the component of solid, fluid sample is carried out rapid qualitative, quantitative analysis.This kind of instrument is widely used in manufacturing industry, medical industry, chemical industry, metallurgy and food and medicine ring etc. Many fields.With the continuous development of industrial society technology, because X ray fluorescence spectrometer has the characteristics of rapid nondestructive testing, it also obtains rapid development, and its application field also widens along with it.But the market requirement of this instrument is also higher and higher, not only to meet the test performance, also can be convenient operation, especially the operation measurement of small sample.

[0003] X fluorescence spectrometer in prior art generally does not have moving platform, when measuring small sample, need manual slight movement and combine low resolution camera equipment to observe measured point, but the accuracy of manual operation is limited, cannot guarantee that small sample is in the center position of measured point.

[0004] The information disclosed in this Background section is only for the purpose of increasing an understanding of the general background of the application and does not necessarily pertain to the practice of the application, and the disclosure of such information in this Background section is not intended to be taken as an acknowledgement or any form of suggestion that it forms a prior art to the application. SUMMARY

[0005] The utility model aims at providing a kind of spectrometer, it can solve the technical problems of inconvenient operation, poor moving precision of fluorescence spectrometer in prior art.

[0006] To achieve the above object, a kind of downlight X ray fluorescence spectrometer is provided in the specific implementation of the utility model, comprising:

[0007] Box, its upper portion is equipped with a test panel, the test panel divides the box into the operation cavity and the installation cavity arranged in upper and lower, test hole is opened in the test panel, and the operation cavity and the installation cavity are communicated;

[0008] Internal components, including the optical path assembly installed in the operation cavity, the optical path assembly includes X ray light tube and detector, and the optical path formed by the emission end of X ray light tube and the receiving end of detector in installation cavity is arranged towards test hole;

[0009] Sample table, slidingly installed on the test panel in the operation cavity, the sample table is used to carry sample, and the through hole for placing sample on the optical path in installation cavity is also opened in the sample table;

[0010] An adjusting mechanism is installed on the sample testing table, and the adjusting mechanism is used to adjust the position of the sample in a first direction and / or a second direction, the first direction being the length direction of the test panel, and the second direction being the width direction of the test panel.

[0011] In one or more embodiments of the present application, the box comprises a bottom plate and a shell mounted on the bottom plate, the test panel is mounted on the bottom plate through a stand column, and the bottom plate, the shell and the test panel jointly form a mounting cavity.

[0012] In one or more embodiments of the present application, the box further comprises a rear seat fixedly mounted on the test panel, an upper cover movably mounted on the rear seat, and the upper cover, the test panel and the rear seat jointly form an operation cavity.

[0013] In one or more embodiments of the present application, the sample testing table is provided with a mounting groove, the through hole is provided on the mounting groove, and the mounting groove is further provided with a detachable film pressing ring.

[0014] In one or more embodiments of the present application, the adjusting mechanism comprises a base, the base is fixedly mounted on the test panel, a shell is slidably mounted on the base, a first moving mechanism is installed in the shell, a second moving mechanism is installed on the first moving mechanism, the second moving mechanism is fixedly installed with the sample testing table, the second moving mechanism is used to drive the sample testing table to move along the second direction on the test panel, and the first moving mechanism is used to drive the second moving mechanism and the sample testing table to move along the first direction on the test panel.

[0015] In one or more embodiments of the present application, the first moving mechanism comprises a rack, the rack is fixedly installed on the base in the shell, a connecting rod is rotatably installed on the shell, a first end of the connecting rod is arranged in the shell, the first end of the connecting rod is provided with a gear ring, the first end of the connecting rod is engaged with the rack through the gear ring, a second end of the connecting rod penetrates out of the shell, and the second end of the connecting rod is provided with a first knob.

[0016] In one or more embodiments of the present application, the second moving mechanism comprises a screw rod penetrating through the connecting rod and the first knob, a connecting block is installed at a first end of the screw rod, a sliding block is installed on an upper portion of the connecting block, a sliding rail is installed on the sliding block, the sliding rail is fixedly installed with the shell, a lower portion of the connecting block is fixedly installed with the sample testing table, the screw rod is movably installed with the first knob through a ball bearing, and a second end of the screw rod is provided with a second knob.

[0017] In one or more embodiments of the utility model, the base is equipped with a boss, the rack is fixedly installed on the boss along the first direction, and the shell is slidably installed on the boss through a dovetail groove.

[0018] In one or more embodiments of the utility model, an adjusting sleeve is installed between the connecting rod and the shell, the first end of the adjusting sleeve abuts against the rack, the other end abuts against the first knob, an adjusting screw is movably installed on the shell, and the end of the adjusting screw abuts against the side surface of the adjusting sleeve.

[0019] In one or more embodiments of the utility model, the shell is further installed with a positioning sleeve, the positioning sleeve abuts against the gear ring end surface of the connecting rod, the screw rod passes through the positioning sleeve, and the positioning sleeve is used for limiting the positions of the gear ring on the connecting rod and the rack.

[0020] Compared with the prior art, the down-light type X-ray fluorescence spectrometer in the utility model is provided with an adjusting mechanism between the test panel and the sample table, the position of the sample can be accurately adjusted by using the adjusting mechanism, the sample can be ensured to be located at the center position of the measured point at the beginning of the test, and the detection accuracy is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will be described to the embodiments or prior art.

[0022] The drawings needed to be used in the prior art description are simply introduced. Obviously, the drawings in the following description are only some embodiments in the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings.

[0023] Figure 1 It is a structure schematic view of the mobile spectrometer in a specific embodiment of the utility model;

[0024] Figure 2 It is a structure schematic view of the mobile spectrometer inside in a specific embodiment of the utility model;

[0025] Figure 3 It is a right view of the mobile spectrometer in a specific embodiment of the utility model;

[0026] Figure 4 It is a structure schematic view of the light path assembly in a specific embodiment of the utility model;

[0027] Figure 5 It is a structure schematic view of the test panel and the sample table in a specific embodiment of the utility model;

[0028] Figure 6It is the structure schematic view of the adjusting assembly in one specific embodiment of the utility model;

[0029] Figure 7 It is the plan view of the adjusting assembly in one specific embodiment of the utility model;

[0030] Figure 8 It is the sectional view of the adjusting assembly in one specific embodiment of the utility model in A-A direction;

[0031] Figure 9 It is the sectional view of the adjusting assembly in one specific embodiment of the utility model in C-C direction.

[0032] The main figure mark is as follows:

[0033] Box, 1, upper cover, 2, test panel, 3, back seat, 4, hinge, 41, gas spring, 42, buffer, 43, internal assembly, 5, high voltage X-ray generator power supply, 51, switching power supply, 52, control board, 53, optical path assembly, 54, optical path support, 541, detector, 542, collimator, 543, white light lamp, 544, X-ray light tube, 545, camera, 546, reflecting lens, 547, adjusting assembly, 6, sample measuring table, 61, mounting groove, 611, through hole, 612, film pressing ring, 62, wear-resistant ring, 63, adjusting mechanism, 64, shell, 641, shielding block, 642, base, 643, rack, 644, adjusting sleeve, 645, first knob, 646, positioning sleeve, 647, second knob, 648, connecting rod, 6410, ball bearing, 649, screw rod, 6411, connecting block, 6412, sliding block, 6413, slide rail, 6414. DETAILED DESCRIPTION

[0034] In order for those skilled in the art to better understand the technical scheme in the utility model, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the utility model.

[0035] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "vertical", "horizontal", "top", "bottom", "upper", "lower", "front", "rear" and the like is the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0036] As described in the background, the prior art spectrometer is inconvenient to operate manually when measuring a small sample, and cannot ensure that the small sample is at the center of the measured point.

[0037] In view of the above technical problems, the utility model provides a mobile X fluorescence spectrometer, including box body 1 and setting inside component 5 and adjusting assembly 6 in box body 1, adjusting assembly 6 is used for adjusting the position of sample in box body 1.

[0038] As Figures 1-2 As shown in the embodiment, the box body 1 includes a bottom plate 12 and a housing 11 mounted on the bottom plate 12, the test panel 3 is mounted on the bottom plate 12 through a stand 13, the bottom plate 12, the housing 11 and the test panel 3 form an installation cavity, the test panel 3 is provided with a rear seat 4, the rear seat 4 is movably connected with the upper cover 2 through a hinge 41, the end surface of the rear seat 4 close to the upper cover 2 is provided with an air spring 42, the other end of the air spring 42 is mounted on the side wall of the upper cover 2, the upper cover 2 is further provided with a bumper 43 for preventing collision between the upper cover 2 and the rear seat 4, the test panel 3, the rear seat 4 and the upper cover 2 form an operation cavity, and the test panel 3 is provided with a test hole 31 communicating with the installation cavity and the operation cavity.

[0039] As Figure 3 As shown in the embodiment, the installation cavity is fixedly provided with a high-voltage X-ray generator power supply 51, a switching power supply 52, a control panel 53 and a light path assembly 54, the high-voltage X-ray generator power supply 51 is connected with the switching power supply 52, the control panel 53 and the light path assembly 54 through wires, the housing 11 is further provided with a socket connected with the high-voltage X-ray generator power supply 51 and / or the control panel 53 and a USB interface, the light path assembly 54 is mounted on the bottom of the test panel 3, the light path assembly 54 includes a light path bracket 541 mounted on the bottom of the test panel 3 and corresponding to the test hole 31, the light path bracket 541 is provided with a detector 542, a collimator 543, a white light lamp 544 and an X-ray light tube 545; wherein the emitting end of the collimator 543, the white light lamp 544 and the X-ray light tube 545 and the receiving end of the detector 542 are arranged in the installation cavity and face the test hole 31. The switching power supply 52 converts the voltage output by the high-voltage X-ray generator power supply 51 into a rated voltage suitable for other internal components to ensure the normal operation of the equipment, the device for realizing the detection function is the light path assembly 54, and the control panel 53 is used for controlling the light path assembly 54.

[0040] The emitting end of the X-ray light tube 545 is arranged towards the test hole 31 for emitting X-rays to the sample, the receiving end of the detector 542 is arranged towards the test hole 31 for detecting the sample, the camera 546 is fixed at the rear of the collimator 543, the light path after being reflected by the reflecting lens 547 is arranged towards the test hole 31 for capturing the image of the test sample, the camera 546 is a zoom camera, which can realize automatic focal length adjustment of the sample, identify the small test points, and realize the corresponding functions of the above-mentioned light path assembly 54. The devices realizing the corresponding functions of the above-mentioned light path assembly 54 are all prior art, and thus will not be described here.

[0041] As shown in the drawings, Figures 5-7 In the embodiment, the adjusting assembly 6 includes a sample measuring table 61, the center of the sample measuring table 61 is provided with a mounting groove 611, a through hole 612 is arranged at the center position of the mounting groove 611, the through hole 612 is used for placing a sample measuring cup containing a sample, the sample measuring cup can be a cylindrical cup body with a rim, the rim of the sample measuring cup is placed on the mounting groove 611, the sample passes through the through hole 612 and the test hole 31 in sequence and enters the mounting cavity, a detachable film pressing ring 62 is further arranged on the mounting groove 611, which is used for measuring an alloy and a test sample such as a circuit board, the test sample is placed on a test film on the film pressing ring 62, a wear-resistant ring 63 is arranged between the bottom of the sample measuring table 61 and the upper part of the test panel 3, a adjusting mechanism 64 is fixedly arranged on the test panel 3, the other end of the adjusting mechanism 64 is further connected with the sample measuring table 61, by using the adjusting mechanism 64, the position of the sample measuring table 61 on the test panel 3 can be adjusted, and then the position of the sample in the mounting cavity is adjusted, so that the sample is guaranteed to be on the center position of the test point.

[0042] As shown in the drawings, Figures 8-9 In the embodiment, the adjusting mechanism 64 includes a base 643, the base 643 is fixedly arranged on the test panel 3, a shell 641 is slidingly arranged on the base 643, in the embodiment, a boss is arranged on the base 643 along a first direction, the shell 641 is slidingly arranged on the boss of the base 643 through a dovetail groove; a first moving mechanism is arranged in the shell 641, a second moving mechanism is arranged on the first moving mechanism, the second moving mechanism is fixedly arranged with the sample measuring table 61, the second moving mechanism is used for driving the sample measuring table 61 to move along a second direction on the test panel 3, the first moving mechanism is used for driving the second moving mechanism and the sample measuring table 61 to move along a first direction on the test panel 3; in the embodiment, the first direction is the length direction of the test panel 3, and the second direction is the width direction of the test panel 3.

[0043] The first moving mechanism comprises a rack 644 installed in a housing 641, the rack 644 is fixedly installed on a boss of a base 643, the housing 641 is further rotatably installed with a connecting rod 6410, the connecting rod 6410 is arranged along a second direction, a first end of the connecting rod 6410 is arranged in the housing 641, the first end of the connecting rod 6410 is provided with a gear ring, the first end of the connecting rod 6410 is engaged with the rack 644 through the gear ring, a second end of the connecting rod 6410 penetrates out of the housing 641, the second end of the connecting rod 6410 is installed with a first knob 646, the box body 1 is provided with an operation port at a position close to the first knob 646, the first knob 646 penetrates out of the operation port, and a relevant person can manually operate the first knob 646.

[0044] The second moving mechanism comprises a screw rod 6411 penetrating through the connecting rod 6410 and the first knob 646, a first end of the screw rod 6411 is installed with a connecting block 6412, an upper portion of the connecting block 6412 is installed with a sliding block 6413, the sliding block 6413 is installed with a sliding rail 6414, the sliding rail 6414 is fixedly installed with the housing 641, a lower portion of the connecting block 6412 is fixedly installed with the sample table 61, the screw rod 6411 is movably installed with the first knob 646 through a ball bearing 649, a second end of the screw rod 6411 is installed with a second knob 648, the housing 641 is further installed with a gear positioning sleeve 647, the positioning sleeve 647 abuts against an end face of the gear ring of the connecting rod 6410, and the positioning sleeve 647 is used for limiting the position of the gear ring on the connecting rod 6410 on the rack 644.

[0045] When the first knob 646 is rotated, the first knob 646 drives the connecting rod 6410 to rotate, the connecting rod 6410 is engaged with the rack 644 through the gear ring, and then the connecting rod 6410 moves along the first direction relative to the rack 644, the connecting rod 6410 drives the entire housing 641 and moves along the first direction, so that the sample cup installed in the sample table 61 is adjusted along the first direction; when the second knob 648 is rotated, the second knob 648 drives the screw rod 6411 to rotate in the ball bearing 649, the screw rod 6411 can reciprocate along the second direction relative to the ball bearing 649, the end of the screw rod 6411 is fixed with the connecting block 6412, the connecting block 6412 is fixedly installed with the sliding block 6413, and then the sliding block 6413 reciprocates along the second direction on the sliding rail 6414, the other side of the connecting block 6412 is further fixedly installed with the sample table 61, so that the sample table 61 drives the sample cup to move along the second direction in the installation cavity, and the sample cup installed in the sample table 61 is adjusted along the second direction.

[0046] As Figures 7-9As shown, in the embodiment, the connecting rod 6410 is mounted with an adjusting sleeve 645 between the housing 641, the first end of the adjusting sleeve 645 abuts the rack 644, the other end abuts the first knob 646, the housing 641 is movably mounted with an adjusting screw, the end of the adjusting screw abuts the side surface of the adjusting sleeve 645, in use, the adjusting screw can be screwed to press the adjusting sleeve 645, so that the adjusting sleeve 645 further presses the connecting rod 6410 and the screw rod 6411, the locking of the adjusting mechanism is realized.

[0047] From the above technical scheme, it can be seen that the utility model has the following beneficial effects: the downlight X-ray fluorescence spectrometer in the utility model, through setting adjusting mechanism 64 between test panel 3 and sample table 61, the position of sample can be accurately adjusted through using adjusting mechanism 64, it is ensured that sample can be on the center position of measured point when testing starts, and then the accuracy of detection is improved.

[0048] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0049] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A down-beaming X-ray fluorescence spectrometer, characterized by, The utility model relates to a kind of X-ray radiographic system, including: Box (1), its upper portion is equipped with a test panel (3), the test panel (3) divides box into operation cavity and installation cavity arranged in upper and lower, test hole (31) is opened in the test panel (3) and is communicated with operation cavity and installation cavity; Internal component (5), including the optical path component (54) installed in operation cavity, the optical path component (54) includes X-ray light tube (545) and detector (542), the optical path formed by the emission end of X-ray light tube (545) and the receiving end of detector (542) in installation cavity is arranged towards test hole (31); Sample table (61), slidingly installed on test panel (3) in operation cavity, the sample table (61) is used to carry sample, and through hole (612) for placing sample on the optical path in installation cavity is also opened in the sample table (61); Adjusting mechanism (64), installed on sample table (61), the adjusting mechanism (64) is used to adjust the position of sample in first direction and / or second direction, the first direction is the length direction of test panel (3), and the second direction is the width direction of test panel (3).

2. The down-beaming X-ray fluorescence spectrometer according to claim 1, characterized in that, The box (1) includes bottom plate (12) and shell (11) installed on bottom plate (12), the test panel (3) is installed on bottom plate (12) by stand (13), and the bottom plate (12), shell (11) and test panel (3) are enclosed to form installation cavity.

3. The down-beaming X-ray fluorescence spectrometer according to claim 1, characterized in that, The box (1) further includes rear seat (4) fixedly installed on test panel (3), and upper cover (2) is movably installed on test panel (3) on the rear seat (4), and the upper cover (2), test panel (3) and rear seat (4) are enclosed to form operation cavity.

4. The downlight X-ray fluorescence spectrometer according to claim 1, characterized in that, The sample table (61) is provided with a mounting groove (611), and the through hole (612) is provided on the mounting groove (611), and the mounting groove (611) is further provided with a film pressing ring (62) which can be detached, and the sample table (61) and the test panel (3) are provided with a wear-resistant ring (63).

5. The downlight X-ray fluorescence spectrometer according to claim 1, characterized in that, The adjusting mechanism (64) includes a base (643), the base (643) is fixedly installed on the test panel (3), the shell (641) is slidably installed on the base (643), the first moving mechanism is installed in the shell (641), the second moving mechanism is installed on the first moving mechanism, the second moving mechanism is fixedly installed with the sample table (61), the second moving mechanism is used to drive the sample table (61) to move on the test panel (3) along the second direction, and the first moving mechanism is used to drive the second moving mechanism and the sample table (61) to move on the test panel (3) along the first direction.

6. The downlight X-ray fluorescence spectrometer according to claim 5, characterized in that, The first moving mechanism comprises a rack (644), the rack (644) is fixedly installed on the base (643) in the housing (641) along a first direction, a connecting rod (6410) is rotatably installed on the housing (641), the first end of the connecting rod (6410) is arranged in the housing (641), the first end of the connecting rod (6410) is provided with a gear ring, the first end of the connecting rod (6410) is engaged with the rack (644) through the gear ring, the second end of the connecting rod (6410) penetrates out of the housing (641), and the second end of the connecting rod (6410) is provided with a first knob (646).

7. The downlight X-ray fluorescence spectrometer according to claim 6, characterized in that, The second moving mechanism comprises a screw rod (6411) penetrating through the connecting rod (6410) and the first knob (646), the first end of the screw rod (6411) is provided with a connecting block (6412), the upper portion of the connecting block (6412) is provided with a sliding block (6413), the sliding block (6413) is provided with a sliding rail (6414), the sliding rail (6414) is fixedly installed on the housing (641), the lower portion of the connecting block (6412) is fixedly installed on the sample table (61), the screw rod (6411) is movably installed on the first knob (646) through a ball bearing (649), and the second end of the screw rod (6411) is provided with a second knob (648).

8. The downlight X-ray fluorescence spectrometer according to claim 6, characterized in that, The base (643) is provided with a boss, the rack (644) is fixedly installed on the boss along a first direction, and the housing (641) is slidably installed on the boss through a dovetail groove.

9. The downlight X-ray fluorescence spectrometer according to claim 7, characterized in that, An adjusting sleeve (645) is installed between the connecting rod (6410) and the housing (641), the first end of the adjusting sleeve (645) abuts against the rack (644), the other end abuts against the first knob (646), an adjusting screw is movably installed on the housing (641), and the end of the adjusting screw abuts against the side surface of the adjusting sleeve (645).

10. The downlight X-ray fluorescence spectrometer according to claim 9, characterized in that, The housing (641) is also provided with a positioning sleeve (647), the positioning sleeve (647) abuts against the gear ring end face of the connecting rod (6410), the screw rod (6411) penetrates through the positioning sleeve (647), and the positioning sleeve (647) is used for limiting the positions of the gear ring on the connecting rod (6410) and the rack (644).

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