A handheld short-wave UV fluorescence and X-ray combined detector

Abstract

The utility model relates to the technical field of material detection, and in particular to a handheld short-wave UV fluorescence and X-ray combined detector, comprising: a shell, a UV cavity, an X-ray cavity and a detection cavity are arranged in the shell, and the UV cavity and the X-ray cavity are arranged side by side; a UV light source is arranged at one end of the UV cavity; an X-ray emitting device is arranged at the same end of the X-ray cavity as the UV light source; a first spectroscopic device is arranged in the UV cavity, used to disperse the light according to its wavelength and select the light of a specific wavelength range to pass; a second spectroscopic device is arranged in the X-ray cavity; a detector is arranged in the detection cavity near one end of the UV cavity and the X-ray cavity; a signal processor is arranged in the detection cavity to avoid the detector position. By cleverly combining UV fluorescence detection and X-ray detection, the advantages and disadvantages complement each other and are better applied to daily life.

Description

Technical Field

[0001] The utility model relates to the technical field of material detection, in particular to a handheld short-wave UV fluorescence and X-ray combined detector. Background Art

[0002] A handheld X-ray fluorescence spectrometer is a portable instrument used for X-ray energy spectrum analysis and elemental analysis. It can quickly detect the elemental composition and content of samples in laboratories, on-site or field environments. However, X-ray fluorescence has radiation hazards, which can cause great damage to some items that need to be protected, and cannot achieve the purpose of protection. It is not easy to perform chemical analysis and food safety testing. UV light does not cause much damage, and has a wide range of selectable wavelengths. It can perform chemical analysis and food safety testing, and can complement each other very well. In the existing technology, the two have not been combined, and their advantages and disadvantages complement each other, so they can be better applied to daily life. Utility Model Content

[0003] In order to solve the problems in the above-mentioned background technology, the utility model provides a handheld short-wave UV fluorescence and X-ray combined detector, which cleverly combines UV fluorescence and X-ray detection together, making the detection range more comprehensive, and the advantages and disadvantages complement each other, so that it can be better applied to daily life.

[0004] The solution adopted by the utility model to solve the technical problem is: a handheld short-wave UV fluorescence and X-ray combined detector, comprising: a shell, a UV cavity, an X-ray cavity and a detection cavity are arranged in the shell, and the UV cavity and the X-ray cavity are arranged side by side; a UV light source is arranged at one end of the UV cavity; an X-ray emitting device is arranged at the end of the X-ray cavity that is the same as the position of the UV light source; a first spectroscopic device is arranged in the UV cavity, and is used to disperse the light according to its wavelength and select the light of a specific wavelength range to pass; a second spectroscopic device is arranged in the X-ray cavity, and is used to disperse the light according to its wavelength and select the light of a specific wavelength range to pass; a detector is arranged in the detection cavity near one end of the UV cavity and the X-ray cavity; a signal processor is arranged in the detection cavity to avoid the position of the detector and is electrically connected to the detector.

[0005] By adopting the above scheme, UV fluorescence and X-ray detection can be cleverly combined, and the mutual influence between the two can be isolated, making the detection range more comprehensive, the advantages and disadvantages complement each other, and better applied to daily life.

[0006] Furthermore, the X-ray cavity and the UV cavity are both provided with openings communicating with the detection cavity.

[0007] By adopting the above solution, it is convenient for light to enter the detection cavity and detect the light.

[0008] Furthermore, the opening is equipped with a shutter for controlling the entry of light.

[0009] By adopting the above solution, the time and brightness of light entering can be controlled.

[0010] Furthermore, the first spectrometer and the second spectrometer each include at least one grating and at least two plane reflectors and at least two arc reflectors, the plane reflectors are arranged at both ends of the UV cavity and the X-ray cavity in the length direction, the arc reflectors are arranged on the opposite side of the plane reflectors, and the grating is arranged on one side between the arc reflectors, so that the light beam can be reflected to the opening in sequence along the length direction of the UV cavity and the X-ray cavity.

[0011] By adopting the above-mentioned solution, light of a specific wavelength can be screened out and transmitted to the opening.

[0012] Furthermore, an X-ray elimination device is provided at one end of the detection cavity close to the UV cavity and the X-ray cavity.

[0013] By adopting the above-mentioned solution, X-rays are prevented from interfering with the detection effect of UV fluorescence.

[0014] Furthermore, the X-ray elimination device includes a filter and a telescopic rod, one end of the telescopic rod is connected to the housing, and the other end of the telescopic rod is connected to the filter.

[0015] By adopting the above-mentioned solution, the X-rays in the detection cavity can be absorbed and eliminated in all directions.

[0016] Furthermore, an X-ray absorption plate is provided on a side of the X-ray cavity close to the UV cavity and a side of the shutter.

[0017] By adopting the above solution, X-rays are prevented from passing through the inner wall of the cavity to interfere with the UV fluorescence, causing deviations in the detection results.

[0018] Furthermore, a sample scanning portion is provided at one end of the housing close to the UV light source for the light sources of the UV cavity and the X-ray cavity to pass through.

[0019] By adopting the above-mentioned scheme, it is convenient to detect the samples.

[0020] Furthermore, a display is provided at one end of the housing away from the UV light source.

[0021] By adopting the above solution, it is convenient to view the test results, check the test information of the substance, and also convenient to set parameters.

[0022] Furthermore, a handle is provided on one side of the shell, and a battery is provided in the handle.

[0023] By adopting the above solution, there is no need for an external power supply, and it can be used anytime and anywhere, making it convenient for outdoor work.

[0024] In summary, the beneficial effects of the utility model are as follows: by cleverly combining UV fluorescence and X-ray detection, the opening and closing of the shutter can be controlled at the same time, so that UV fluorescence detection and X-ray detection can be used separately or in combination, and at the same time, the influence of X-rays on UV fluorescence can be effectively prevented by filters and X-ray absorption plates, and errors in detection results can be prevented, making the detection range more comprehensive, and the advantages and disadvantages complement each other, so that it can be better applied to daily life.

[0025] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the following preferred embodiments are specifically cited and described in detail with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a cross-sectional view of this embodiment;

[0027] Figure 2 It is a structural schematic diagram of this embodiment;

[0028] Figure 3 is a cross-sectional view of the detection cavity of this embodiment;

[0029] Figure 4 4 is a cross-sectional view of the UV cavity and the X-ray cavity of this embodiment.

[0030] In the figure: 1. housing; 2. UV cavity; 3. X-ray cavity; 4. detection cavity; 5. first spectrometer; 6. detector; 7. signal processor; 8. second spectrometer; 21. sample scanning unit; 22. display; 23. battery; 31. telescopic rod; 32. filter; 41. opening; 42. plane reflector; 43. arc reflector; 44. grating. DETAILED DESCRIPTION

[0031] In order to make the content of the utility model more clearly understood, the utility model is further described below based on specific embodiments in combination with the accompanying drawings.

[0032] It should be noted that the terms "center", "upper", "lower", "front", "back", "left", "right", "inner", "outer" and the like used herein to indicate directions or positional relationships are based on directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. Unless otherwise specified, "plurality" means two or more.

[0033] Unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood by specific circumstances.

[0034] like Figure 1 As shown, a handheld short-wave UV fluorescence and X-ray combined detector comprises: a housing 1, a UV light source, a detection cavity 4, an X-ray emitting device, a first spectroscopic device 5, a second spectroscopic device 8, a detector 6, and a signal processor 7. The UV cavity 2, the X-ray cavity 3, and the detection cavity 4 are all arranged in the housing 1, wherein the UV cavity 2 and the X-ray cavity 3 are arranged side by side, and the detection cavity 4 is arranged at one end of the UV cavity 2 and the X-ray cavity 3; the UV light source is arranged at the end of the UV cavity 2 away from the detection cavity 4, and the X-ray emitting device is arranged at the end of the X-ray cavity 3 at the same position as the UV light source; the first spectroscopic device 5 and the second spectroscopic device 8 are respectively arranged in the UV cavity 2 and the inner X-ray cavity 3, for dispersing the light according to its wavelength and selecting the light of a specific wavelength range to pass; in addition, the detector 6 is arranged in the detection cavity 4 close to one end of the UV cavity 2 and the X-ray cavity 3; and the signal processor 7 is arranged in the detection cavity 4 away from the detector 6 and is electrically connected to the detector 6. By cleverly combining UV fluorescence and X-ray detection and controlling the opening and closing of the shutter at the same time, UV fluorescence detection and X-ray detection can be used separately or in combination, making the detection range more comprehensive, the advantages and disadvantages complement each other, and better applied to daily life.

[0035] By adopting the above scheme, UV fluorescence and X-ray detection can be cleverly combined, and the mutual influence between the two can be isolated, making the detection range more comprehensive, the advantages and disadvantages complement each other, and better applied to daily life.

[0036] Optionally, both the X-ray cavity 3 and the UV cavity 2 of this embodiment are provided with an opening 41 which is connected to the detection cavity 4, so as to facilitate the light to enter the detection cavity 4 and detect the light.

[0037] Optionally, the opening 41 is equipped with a shutter for controlling the light entering, and the time and brightness of the light entering are controlled by controlling the opening and closing of the shutter.

[0038] Alternatively, if Figure 4 As shown, the first spectroscopic device 5 and the second spectroscopic device 8 each include at least one grating 44 and at least two plane reflectors 42 and at least two arc reflectors 43, wherein the plane reflectors 42 are arranged at both ends of the length direction of the UV cavity 2 and the X-ray cavity 3, and the arc reflectors 43 are arranged on the opposite side of the plane reflectors 42, and the grating 44 is arranged on one side between the arc reflectors 43, so that the light beam can be sequentially reflected to the opening 41 along the length direction of the UV cavity 2 and the X-ray cavity 3 and filter out the light beam of a specific wavelength

[0039] Alternatively, if Figure 3 As shown, an X-ray elimination device is provided at one end of the detection cavity 4 close to the UV cavity 2 and the X-ray cavity 3 to prevent X-rays from interfering with the detection effect of UV fluorescence.

[0040] Optionally, the X-ray elimination device includes a filter 32 and a telescopic rod 31 , one end of the telescopic rod 31 is connected to the housing 1 , and the other end is connected to the filter 32 , which can absorb and eliminate X-rays in the detection cavity 4 in all directions.

[0041] Optionally, an X-ray absorption plate is provided on the side of the X-ray cavity 3 close to the UV cavity 2 and the shutter side to prevent the X-rays from passing through the inner wall of the cavity and interfering with the UV fluorescence, thereby causing deviations in the detection results.

[0042] Alternatively, if Figure 2 As shown, a sample scanning portion 21 is provided at one end of the housing 1 close to the UV light source for the light sources of the UV cavity 2 and the X-ray cavity 3 to pass through, so as to facilitate the detection of the sample.

[0043] Optionally, a display 22 is provided at one end of the housing 1 away from the UV light source, so as to facilitate viewing of the detection results and setting of parameters.

[0044] Optionally, a handle is provided on one side of the housing 1, and a battery 23 is provided in the handle, so that the device can be used anytime and anywhere without the need for an external power source, and is convenient for outdoor work.

[0045] In summary, the beneficial effects of this embodiment are as follows: this embodiment cleverly combines UV fluorescence detection and X-ray detection, and the advantages and disadvantages complement each other, so that it can be better applied to daily life. At the same time, the opening and closing of the shutter can be controlled, so that UV fluorescence detection and X-ray detection can be used separately or in combination. At the same time, the filter 32 and the X-ray absorption plate can effectively prevent the influence of X-rays on UV fluorescence, prevent errors in the detection results, make the detection range more comprehensive, and be small and convenient, which is convenient for outdoor operations.

[0046] The embodiments described above are only preferred implementation modes of the present utility model and cannot be used to limit the protection scope of the present utility model. Any non-substantial changes and modifications made by technicians in this field on the basis of the utility model shall fall within the protection scope of the present utility model.

Claims

1. A handheld short-wave UV fluorescence and X-ray combined detector, characterized in that: include: A housing (1), wherein a UV cavity (2), an X-ray cavity (3) and a detection cavity (4) are arranged in the housing (1), and the UV cavity (2) and the X-ray cavity (3) are arranged side by side; A UV light source is disposed at one end of the UV cavity (2); An X-ray emitting device is arranged at the same end of the X-ray cavity (3) as the UV light source; A first light splitting device (5), disposed in the UV cavity (2), for dispersing light according to its wavelength and selecting light within a specific wavelength range to pass through; A second spectroscopic device (8), disposed in the X-ray cavity (3), for dispersing the light according to its wavelength and selecting light within a specific wavelength range to pass through; A detector (6) is arranged in the detection cavity (4) near one end of the UV cavity (2) and the X-ray cavity (3); A signal processor (7) is arranged in the detection chamber (4) away from the detector (6) and is electrically connected to the detector (6).

2. A handheld short-wave UV fluorescence and X-ray combined detector according to claim 1, characterized in that: The X-ray cavity (3) and the UV cavity (2) are both provided with openings (41) which are in communication with the detection cavity (4).

3. A handheld short-wave UV fluorescence and X-ray combined detector according to claim 2, characterized in that: The opening (41) is equipped with a shutter for controlling the entry of light.

4. A handheld short-wave UV fluorescence and X-ray combined detector according to claim 3, characterized in that: The first spectroscopic device (5) and the second spectroscopic device (8) each comprise at least one grating (44) and at least two plane reflectors (42) and at least two arc reflectors (43); the plane reflectors (42) are arranged at both ends of the UV cavity (2) and the X-ray cavity (3) in the length direction; the arc reflectors (43) are arranged on the opposite side of the plane reflectors (42); and the grating (44) is arranged on one side between the arc reflectors (43), so that the light beam can be sequentially reflected to the opening (41) along the length direction of the UV cavity (2) and the X-ray cavity (3).

5. A handheld short-wave UV fluorescence and X-ray combined detector according to claim 4, characterized in that: An X-ray elimination device is provided at one end of the detection cavity (4) close to the UV cavity (2) and the X-ray cavity (3).

6. A handheld short-wave UV fluorescence and X-ray combined detector according to claim 5, characterized in that: The X-ray elimination device comprises a filter (32) and a telescopic rod (31); one end of the telescopic rod (31) is connected to the housing (1), and the other end is connected to the filter (32).

7. A handheld short-wave UV fluorescence and X-ray combined detector according to claim 6, characterized in that: The X-ray cavity (3) is provided with an X-ray absorption plate on one side close to the UV cavity (2) and on one side of the shutter.

8. A handheld short-wave UV fluorescence and X-ray combined detector according to claim 7, characterized in that: The housing (1) is provided with a sample scanning portion (21) at one end close to the UV light source for allowing the light sources of the UV cavity (2) and the X-ray cavity (3) to pass through.

9. A handheld short-wave UV fluorescence and X-ray combined detector according to any one of claims 1 to 8, characterized in that: A display is also provided at one end of the housing (1) away from the UV light source.

10. A handheld short-wave UV fluorescence and X-ray combined detector according to any one of claims 1 to 8, characterized in that: A handle is provided on one side of the housing (1), and a battery (23) is provided in the handle.

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