CN211477403U - High detection accuracy spectrum appearance - Google Patents

Abstract

The utility model relates to a high detection precision spectrum appearance, it includes box and case lid, be equipped with the light source district in the box, treatment area and detection zone, be equipped with the light source subassembly in the light source district, be equipped with spotlight component and whole light subassembly in the treatment area, be equipped with the light source dash receiver in the detection zone, still be equipped with the extinction subassembly in the treatment area, the extinction subassembly includes the barn door of being connected with the box, be equipped with extinction pipe and the light trap that is in the light on the barn door, the neighboring of treatment area is equipped with handles vertical wall, it is equipped with to handle one side that vertical wall is close to the light source district and handles the unthreaded hole, it is equipped with a plurality of light holes of handling to handle one side that vertical wall is close to the detection zone, it handles the apron to be equipped with on the vertical wall to handle, the neighboring of detection zone is equipped with and handles the unthreaded hole of. The utility model discloses have and detect the effect that the precision is high, the spectrum appearance is small, simple to operate, flexibility are high, degree of automation is high.

Description

High detection accuracy spectrum appearance

Technical Field

The utility model belongs to the technical field of the technique of spectrum appearance and specifically relates to a high detection accuracy spectrum appearance is related to.

Background

The spectrometer is a scientific instrument which decomposes light with complex components into spectral lines and is composed of a prism or a diffraction grating and the like, and the spectrometer can be used for measuring light rays reflected by the surface of an object. The seven colors of sunlight are visible light visible to the naked eye, but if the sunlight is decomposed by a spectrometer and arranged according to the wavelength, the visible light only occupies a small range in the spectrum, and the rest is a spectrum which cannot be distinguished by the naked eye, such as infrared rays, microwaves, ultraviolet rays, X rays and the like. The optical information is captured by a spectrometer, developed by a photographic negative film, or displayed and analyzed by a computerized automatic display numerical instrument, so that the element contained in the article can be detected. This technique is widely used in the detection of air pollution, water pollution, food hygiene, metal industry, and the like.

The utility model discloses a current utility model patent with publication number CN202770763U discloses a miniature spectrum appearance, and it includes input, the collimation unit that is used for transmitting light source, grating group including a plurality of different wave band gratings, is used for changing the MEMS speculum of light beam transmission angle, is used for converging light convergence element, diaphragm and the light detector of light beam. The light beam emitted from the input end is irradiated on the diaphragm after being processed for a plurality of times, and finally the spectrum selected by the diaphragm is received by the light detector. By using different gratings, the detection spectral range of the micro spectrometer is increased, and the resolution is improved.

The above prior art solutions have the following drawbacks: when the spectrometer is used, when an incident beam emitted by the input end passes through the collimating unit and other devices, other irrelevant beams easily pass through the collimating unit and other devices along with the incident beam and finally irradiate on an article to be detected, so that a detection result obtained by an operator is interfered by a part of the irrelevant beams, and the accuracy of the detection result is low.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, one of the purposes of the utility model is to provide a spectrum appearance that detects the precision height.

The above object of the present invention is achieved by the following technical solutions: a spectrometer with high detection precision comprises a box body and a box cover, wherein a light source area, a processing area and a detection area are arranged in the box body, a light source assembly is arranged in the light source area, a light gathering assembly and a light adjusting assembly are arranged in the processing area, a light source receiving plate used for sensing light energy is arranged in the detection area, an extinction assembly is further arranged in the processing area, the extinction assembly comprises a light baffle plate connected with the box body, a extinction tube is arranged on the light baffle plate, a light blocking and light transmitting hole communicated with the inside of the extinction tube is arranged on the light baffle plate, a processing vertical wall is arranged at the peripheral edge of the processing area, a processing light inlet hole is arranged at one side of the processing vertical wall close to the light source area, a plurality of processing light outlet holes are arranged at one side of the processing vertical wall close to the detection area, a processing cover plate is arranged on the processing, the vertical detection wall is provided with a detection light inlet hole communicated with the processing light outlet hole, and the vertical detection wall is provided with a detection cover plate.

Through adopting above-mentioned technical scheme, barn door and extinction pipe all have the effect of being in the light, and the light beam that the light source subassembly was launched can pass the extinction intraduct, but no light beam can receive the blockking of barn door, is difficult for entering into the extinction intraduct to guarantee to shine and be difficult for depositing a large amount of irrelevant light beams in the light beam on detecting article and contrast article, the testing process is difficult for receiving the interference of irrelevant light beam, improves the accuracy of testing result.

Be equipped with the case lid on the box, when examining the measuring, the case lid is sealed with the box, irrelevant light beam is difficult for entering into the box and disturbs detecting, because the incident beam that the light source subassembly launches mainly obtains handling in the treatment area, consequently the neighboring edge of treatment area is equipped with the vertical wall of processing and handles the apron that is used for blockking irrelevant light beam, the incident beam through the treatment area passes and handles the unthreaded hole and detect into the unthreaded hole, enter into the detection zone, consequently the detection zone is equipped with the vertical wall of detection and the detection apron that is used for blockking irrelevant light beam. When operating personnel need carry out position adjustment or look over the operating condition of components and parts to other components and parts in the box at the testing process, even open the case lid, irrelevant light beam also is difficult for entering into in process area and the detection zone, and irrelevant light beam is difficult for disturbing normal detection, and operating personnel then need not to stop detecting, improves the detection efficiency of spectrum appearance, has also guaranteed the testing result accuracy of spectrum appearance simultaneously.

The present invention may be further configured in a preferred embodiment as: the light source component comprises a first light source base and a second light source base which are connected with the box body, the first light source base is detachably connected with a deuterium lamp, the second light source base is detachably connected with a tungsten filament lamp, and one side, far away from the processing area, of the deuterium lamp and the tungsten filament lamp is provided with a reflector which is located in the light source area and connected with the box body.

Through adopting above-mentioned technical scheme, the light source district is provided with two light source bases altogether, and is connected with deuterium lamp and tungsten filament lamp respectively, and the spectrum appearance is when using, and the wavelength range through the light beam that deuterium lamp and tungsten filament lamp launch is big, can satisfy more various detection article and contrast article, improves the flexibility of spectrum appearance. In addition, the wavelength range is wide, so that more properties or components of the unknown article can be detected when the unknown article is detected, and the practicability of the spectrometer is improved. Because the wavelength range of incident beam is big, the testing result is more comprehensive, can fully detect out the nature or the composition of measuring article, if the wavelength range of incident beam is undersize, lead to the testing result incomplete easily, consequently improved the testing result accuracy degree of spectrometer. Deuterium lamp and tungsten filament lamp can dismantle to be connected on first light source base and second light source base, and operating personnel can use different luminescent light source according to the detection article of difference to improve the degree of accuracy of testing result. In addition, because the processing area is provided with the vertical wall of processing and handles the apron, and still be equipped with the extinction subassembly in the processing area, when operating personnel think that luminescent light source is unsuitable for detecting article, can directly open the case lid and change luminescent light source, irrelevant light beam is difficult for entering processing area and detection zone, causes the interference to the testing result, and the testing result is undulant little, further improves the flexibility of spectrum appearance, and luminescent light source after the change is more suitable for the detection that detects article, and the testing result accuracy is high.

The present invention may be further configured in a preferred embodiment as: the light condensing assembly comprises an incident slit and an emergent slit which are connected with the box body, and the light beams passing through the processing light inlet holes irradiate in the incident slit.

By adopting the technical scheme, the incident slit and the emergent slit are provided with a plurality of slits with different widths, an operator uses the slits with different sizes according to the type of the detected object or the difference of the known properties, the smaller the slit is, the thinner the light beam passing through the incident slit and the emergent slit is, the smaller the energy in the light beam is, the smaller the energy is, and the smaller the error is. For some articles requiring detection by a higher energy beam, the operator selects a larger aperture. However, for some articles with small energy beams, the operator can use a small gap, so that the accuracy of the detection result is improved. Compared with a spectrometer which cannot change the energy of the light beam, the spectrometer in the technical scheme has the advantage that the detection precision is improved for some articles which need to detect light beams with smaller energy.

The present invention may be further configured in a preferred embodiment as: the light adjusting component comprises a first spherical mirror, a prism, a second spherical mirror, a first reflector, a beam splitter, a second reflector and a third reflector which are connected with the box body, the light beam passing through the incident slit sequentially passes through the first spherical mirror, the prism, the second spherical mirror, the light extinction tube, the emergent slit, the first reflector and the beam splitter, and two light beams generated by the beam splitter are irradiated into the detection area through the reflection of the second reflector and the third reflector respectively.

Through adopting above-mentioned technical scheme, first spherical mirror and second spherical mirror have the spotlight effect, improve incident beam's energy density, and first spherical mirror and second spherical mirror when carrying out the spotlight to incident beam, have also changed incident beam's transmission direction, make the volume reduction of spectrum appearance, spectrum appearance convenient to use and carry. The prism distributes the incident beam into a grating; the beam splitter divides the incident beam into two same beams, so that the beams received by the detected object and the compared object are consistent, and the accuracy of the compared data is improved. The first reflector, the second reflector and the third reflector change the transmission direction of the incident light beam, and the size of the spectrometer is further reduced.

The present invention may be further configured in a preferred embodiment as: the lower end of the prism is provided with a rotating base which is rotatably connected with the box body, and the rotating base is connected with the output end of a rotating driver.

By adopting the technical scheme, the prism rotates along with the rotating base, because the positions of the first spherical mirror, the second spherical mirror, the extinction tube and the first reflector are relatively fixed, if the position of the prism is also fixed, an operator needs to ensure that an incident beam accurately irradiates on the second spherical mirror after being reflected by the prism and can accurately pass through the extinction tube, the installation difficulty is high, after the prism can rotate, the transmission direction of the incident beam is changed by adjusting the direction of the prism, so that the incident beam can more accurately irradiate into the extinction tube and is transmitted according to a preset route, the incident beam is difficult to generate useless loss in a processing area, the wavelength range, the energy density, the energy size and the shape of the incident beam are more accurate, and the detection result precision of a spectrometer is improved. After the prism can rotate, the installation difficulty of operators is reduced, and therefore the installation efficiency of the spectrometer is improved.

The present invention may be further configured in a preferred embodiment as: and one side of the emergent slit is provided with a filter piece for reducing the wavelength range of the light beam.

By adopting the technical scheme, the filter piece is used for reducing the wavelength range of the light beam. When an operator uses the contrast article, the applicable wavelength range of the contrast article is known, the operator controls the wavelength range of the incident light beam in the wavelength range applicable to the contrast article through the filter element, the light beam with the wavelength in a certain range is used for detecting the detection article, and the effect is more accurate when the detection article is compared with the contrast article. In addition, when the property of the detected article is known and the operator uses the spectrometer to verify the property or the component of the detected article, the light beam with the wavelength in the specific range is used for detecting the detected article, compared with the light beam with the wavelength in the wide range for detecting the detected article, the detection precision is higher, and the wavelength which generates interference on the detected article is not easy to exist in the incident light beam.

The present invention may be further configured in a preferred embodiment as: the filter piece includes the filtration base of being connected with the box, filter and be connected with step motor on the base, step motor's output is connected with the filter disc, be equipped with the polarization filter of a plurality of different colours on the filter disc.

By adopting the technical scheme, the filter disc is driven to rotate by the stepping motor, the polarization filter disc is replaced, the incident light beams can be ensured to fully irradiate on the polarization filter disc after passing through the extinction tube and the emergent slit, the position of the polarization filter disc is prevented from being deviated, one part of the incident light beams irradiates on the polarization filter disc, the other part of the incident light beams irradiates on the filter disc, the energy density, the energy size and the like of the incident light beams are changed, and the precision of a detection result is reduced. The polarization filters of different colors produce different effective filtering efficiencies for the incident light beams.

The present invention may be further configured in a preferred embodiment as: detachably connected with installed part in the detection zone, be equipped with a plurality of installation pipes on the installed part.

Through adopting above-mentioned technical scheme, be equipped with the installation pipe on the installed part, operating personnel examines time measuring to liquid, will be splendid attire detect liquid and contrast the test tube of liquid and insert the installation pipe in, the position of installation pipe is fixed, makes test tube position and angle more accurate for the light beam that detects can fully shine on the test tube, further improves the testing result precision. When operating personnel need examine other article, can't use the installation pipe to fix a position detection article or contrast article, with the installed part dismantle can, improve the flexibility of spectrum appearance.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the light blocking plate, the light extinction tube, the processing vertical wall, the processing cover plate, the detection vertical wall and the detection cover plate have the light blocking function, so that the influence of irrelevant light beams on a detection result is prevented, and the precision of the detection result is improved;

2. the whole optical assembly comprises a first spherical mirror and a second spherical mirror which have a light condensation effect, a prism which has a light splitting effect, a beam splitter which has a light beam copying effect and a polarization filter which has a filtering effect, and the whole optical assembly processes the light beam, so that the incident light beam is more suitable for detecting articles, the property of the incident light beam is changed pertinently, and the accuracy of a detection result is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a spectrometer;

FIG. 2 is an exploded view of the lid of the case;

FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;

FIG. 4 is a schematic diagram of the internal structure of the spectrometer;

FIG. 5 is an enlarged partial view of portion B of FIG. 4;

FIG. 6 is a cross-sectional view for embodying a prism;

FIG. 7 is an enlarged partial schematic view of portion C of FIG. 4;

FIG. 8 is a cross-sectional view of the relevant structure of the detection zone.

In the figure, 1, a box body, 11, a box cover, 12, a bottom plate, 13, a mounting plate, 14, a mounting foot, 2, a light source area, 21, a light source component, 22, a first light source base, 23, a deuterium lamp, 24, a second light source base, 25, a tungsten lamp, 26, a reflector, 27, a reflector base, 28, a reflector driver, 3, a processing area, 31, a light focusing component, 311, an incident slit, 312, an emergent slit, 32, a light focusing base, 321, a light focusing driver, 322, a light focusing disk, 33, a light shaping component, 331, a first spherical mirror, 332, a prism, 333, a second spherical mirror, 334, a first reflector, 335, a beam splitter, 336, a second reflector, 337, a third reflector, 34, a rotating base, 341, a rotating driver, 35, an extinction component, 36, a light blocking plate, 361, a light blocking hole, 37, a light extinction pipe, 38, a processing vertical wall 381, a processing light inlet hole, 382. the device comprises a processing light outlet hole, 39, a processing cover plate, 4, a detection area, 41, a light source receiving plate, 42, a detection vertical wall, 43, a detection light inlet hole, 44, a detection cover plate, 45, a mounting piece, 46, a mounting pipe, 5, a filtering piece, 51, a filtering base, 52, a stepping motor, 53, a filtering disc, 54 and a polarization filtering piece.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a high detection accuracy spectrum appearance, including box 1, box 1 upper end can be dismantled and be connected with case lid 11, and box 1 wholly is the rectangle box-like.

Referring to fig. 2, the box body 1 includes a bottom plate 12 and a mounting plate 13, the mounting plate 13 is located above the bottom plate 12, the mounting plate 13 is provided with a plurality of mounting feet 14, and the mounting feet 14 are fixedly connected with the bottom plate 12 of the box body 1. The inside light source district 2 that is used for providing the light source that is equipped with of box 1, one side in light source district 2 is equipped with the treatment area 3 that is located the box 1 inside, and one side of treatment area 3 is equipped with the detection zone 4 that is located the box 1 inside. The processing area 3 is used for processing incident beams emitted by the light source area 2, and the detection area 4 is used for placing contrast objects and objects to be detected.

Referring to fig. 3, light source module 21 is arranged in light source area 2, light source module 21 includes first light source base 22 and second light source base 24 connected with mounting plate 13, first light source base 22 and second light source base 24 set up side by side and all are located the one side that is close to treatment area 3, install deuterium lamp 23 on the first light source base 22, install tungsten filament lamp 25 on the second light source base 24, deuterium lamp 23 and tungsten filament lamp 25 are all installed on respective light source base through threaded connection or bolted connection, be convenient for deuterium lamp 23 or tungsten filament lamp 25's change and maintenance.

Referring to fig. 3, a side of the deuterium lamp 23 and the tungsten lamp 25 away from the processing region 3 is provided with a reflective mirror 26 located inside the light source region 2, the reflective mirror 26 is mounted on a reflective base 27, the reflective base 27 is rotatably connected to the mounting plate 13, the lower end of the reflective base 27 is connected to the output end of a reflective driver 28, and the reflective driver 28 is fixed to the lower end of the mounting plate 13, i.e., located between the mounting plate 13 and the base plate 12. Specifically, the reflective driver 28 may be a stepping motor or a servo motor, and an operator controls the reflective driver 28 to drive the reflective base 27 to rotate, so as to adjust the position and angle of the reflective mirror 26, thereby ensuring that the light source emitted from the deuterium lamp 23 or the tungsten lamp 25 smoothly enters the processing region 3 after being reflected by the reflective mirror 26.

Referring to fig. 4 and 5, the peripheral edge of the mounting plate 13 of the treatment zone 3 is provided with a treatment upright wall 38, and a treatment cover plate 39 is detachably attached to the treatment upright wall 38. A processing light inlet hole 381 which is positioned on the processing vertical wall 38 is formed in one side of the processing vertical wall 38 close to the light source area 2, the processing light inlet hole 381 penetrates through the processing vertical wall 38, and an incident light beam reflected by the reflector 26 penetrates through the processing light inlet hole 381 to enter the processing area 3.

Referring to fig. 4 and 5, a light condensing assembly 31 is disposed in the processing area 3, the light condensing assembly 31 includes an incident slit 311 and an exit slit 312, the incident slit 311 and the exit slit 312 have the same shape, size, and structure, the incident slit 311 or the exit slit 312 includes a light condensing base 32 in threaded connection with the mounting plate 13, the upper end of the light condensing base 32 is connected with a light condensing driver 321, the light condensing driver 321 may be a stepping motor or a servo motor, the output end of the light condensing driver 321 is connected with a light condensing disc 322, a plurality of slits with different sizes are disposed on the light condensing disc 322, and specifically, the slits may be rectangular or circular. The entrance slit 311 is located at a side close to the light source region 2, and an incident light beam passing through the processing light entrance hole 381 passes through a slit in the entrance slit 311 and then irradiates a first spherical mirror 331.

Referring to fig. 4, a light-shaping assembly 33 is disposed in the processing region 3, and the light-shaping assembly 33 includes a first spherical mirror 331, a prism 332, a second spherical mirror 333, a first reflecting mirror 334, a beam splitter 335, a second reflecting mirror 336, and a third reflecting mirror 337. The prism 332 is arranged side by side with the entrance slit 311 and is located at a side close to the light source region 2, the first spherical mirror 331 and the second spherical mirror 333 are located at a side of the prism 332 away from the light source region 2, the first reflecting mirror 334 is located at a side of the prism 332 away from the entrance slit 311 but close to the light source region 2, and the second reflecting mirror 336, the beam splitter 335 and the third reflecting mirror 337 are sequentially located at a side of the first reflecting mirror 334 away from the light source region 2. The light beam passing through the entrance slit 311 passes through the first spherical mirror 331, the prism 332, the second spherical mirror 333, the first reflecting mirror 334, and the beam splitter 335 in this order, and the beam splitter 335 generates two light beams which are reflected by the second reflecting mirror 336 and the third reflecting mirror 337, respectively, and irradiated into the detection area 4.

Referring to fig. 4, the exit slit 312 is located between the prism 332 and the first reflecting mirror 334, and the incident light beam reflected by the second spherical mirror 333 passes through the slit in the exit slit 312 and then irradiates the first reflecting mirror 334.

Referring to fig. 5 and 6, the prism 332 is mounted on a rotary base 34, the rotary base 34 is rotatably connected to the mounting plate 13, the lower end of the rotary base 34 is connected to the output end of a rotary driver 341, and the rotary driver 341 is fixed to the lower end of the mounting plate 13, i.e., between the mounting plate 13 and the base plate 12. Specifically, the rotating driver 341 may be a stepping motor or a servo motor, and an operator controls the rotating driver 341 to drive the rotating base 34 to rotate, so as to adjust the position and the angle of the prism 332, ensure that the incident light beam is accurately reflected by the prism 332 onto the second spherical mirror 333 (see fig. 4), and then reflected by the second spherical mirror 333 (see fig. 4) to irradiate on the exit slit 312 (see fig. 4).

Referring to fig. 5, the mounting plate 13 is connected to an elastic member, and the other end of the elastic member is connected to the rotating base 34. Specifically, the elastic member may be a spring, and the elastic member always gives a pulling force to the rotating base 34, thereby ensuring stability of the rotating base 34.

Referring to fig. 4 and 7, a light extinction assembly 35 is disposed in the processing region 3, the light extinction assembly 35 includes a light barrier 36 screwed to the mounting plate 13, the light barrier 36 divides the processing region 3 into two regions, the entrance slit 311, the prism 332, the first spherical mirror 331 and the second spherical mirror 333 are located in the same region, and the exit slit 312, the first mirror 334, the second mirror 336, the third mirror 337 and the beam splitter 335 are located in the same region.

Referring to fig. 7, the light-blocking transparent hole 361 is formed in the light-blocking plate 36, the light-extinction tube 37 is screwed to the light-blocking plate 36, the light-extinction tube 37 and the first reflector 334 (see fig. 4) are located on the same side of the light-blocking plate 36, and an incident light beam reflected by the second spherical mirror 333 (see fig. 4) firstly passes through the light-blocking transparent hole 361 and then passes through the light-extinction tube 37 to irradiate the light-exiting slit 312.

Referring to fig. 7, a filter 5 is disposed on one side of the exit slit 312, the filter 5 includes a filter base 51 connected to the mounting plate 13, a stepping motor 52 is connected to the filter base 51, a filter disc 53 is connected to an output end of the stepping motor 52, and a plurality of polarization filters 54 with different colors are disposed on the filter disc 53. The incident light beam in the extinction tube 37 passes through the exit slit 312, then passes through the polarization filter 54, and then irradiates the first reflector 334 (see fig. 4). The operator controls the stepping motor 52 to drive the filter disc 53 to rotate, so as to realize the selection of the polarization filter 54.

Referring to fig. 4, a plurality of processing light-emitting holes 382 penetrating through the processing vertical wall 38 are formed at one side of the processing vertical wall 38 close to the detection area 4, and specifically, two processing light-emitting holes 382 are formed.

Referring to fig. 8, the detection area 4 includes a detection vertical wall 42 fixedly connected to the mounting plate 13, and a detection cover 44 is detachably connected to the detection vertical wall 42. The vertical detection wall 42 is provided with two light-in/detection holes 43 communicating with the light-out processing hole 382 (see fig. 4). Be equipped with in the detection zone 4 with mounting panel 13 threaded connection's installed part 45, be equipped with a plurality of installation pipes 46 on the installed part 45, it is specific, installation pipe 46 is equipped with two, and installation pipe 46 is the rectangle tubulose for insert the test tube. And a light source receiving board 41 connected with the detection vertical wall 42 is arranged on one side of the mounting tube 46 away from the detection light inlet 43, and the light source receiving board 41 is used for receiving a light signal and transmitting the light signal to the PC terminal for the PC terminal to operate.

The light beam transmission path of the present embodiment is: a light source emitted from the deuterium lamp 23 or the tungsten lamp 25 is reflected by the reflective mirror 26 to form an incident light beam, the incident light beam passes through the light entrance hole 381 and irradiates on the light entrance slit 311, then passes through a slit in the light entrance slit 311 and irradiates on the first spherical mirror 331, irradiates on the prism 332 through the refraction of the first spherical mirror 331, irradiates on the second spherical mirror 333 through the refraction of the prism 332, passes through the light blocking light transmission hole 361 and the light extinction tube 37 and irradiates on the light exit slit 312, then passes through a slit in the light exit slit 312 and irradiates on the polarization filter 54, the incident light beam passes through the polarization filter 54 and irradiates on the first reflective mirror 334, and irradiates on the beam splitter 335 through the refraction of the first reflective mirror 334, the incident light beam passes through the beam splitter 335 and is refracted and reflected into two light beams, one is a contrast light beam and the other is a detection light beam, the contrast light beam irradiates on the third reflective mirror 337 through the beam 335, the detection beam is reflected by the beam splitter 335 and irradiates on the second reflecting mirror 336, finally the contrast beam and the detection beam pass through the processing light outlet 382 and the detection light inlet 43 and irradiate in the detection area 4, the contrast beam irradiates on the contrast object, the detection beam irradiates on the detection object, and finally the light information is received by the light source receiving plate 41 and transmitted to the PC end.

The implementation principle of the embodiment is as follows: an operator controls the reflective mirror 26, the optical disc 322, the prism 332 and the filter disc 53 through the PC end, so that the angle control of the reflective mirror 26 and the prism 332 is realized, and the accurate transmission of incident beams is ensured. The automatic selection of the gap and the polarization filter 54 is realized, and the automation degree of the spectrometer is improved. When article need be detected, operating personnel opens case lid 11 and detection apron 44, puts the contrast article and detection article in detection zone 4, then covers detection apron 44 and case lid 11, opens deuterium lamp 23 or tungsten lamp 25, obtains the testing result through the PC end.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a high detection accuracy spectrum appearance, includes box (1) and case lid (11), be equipped with light source district (2), treatment area (3) and detection zone (4) in box (1), be equipped with light source subassembly (21) in light source district (2), be equipped with spotlight component (31) and whole light component (33) in treatment area (3), be equipped with light source dash receiver (41) that are used for the induction light energy in detection zone (4), its characterized in that: still be equipped with extinction subassembly (35) in processing area (3), extinction subassembly (35) include the barn door (36) of being connected with box (1), be equipped with extinction pipe (37) on barn door (36), be equipped with on barn door (36) with the inside light-blocking light trap (361) of intercommunication of extinction pipe (37), the peripheral edge of processing area (3) is equipped with handles vertical wall (38), it is equipped with to handle vertical wall (38) one side near light source region (2) and handles into unthreaded hole (381), it is equipped with a plurality of processing light outlet holes (382) to handle vertical wall (38) one side near detection zone (4), be equipped with on handling vertical wall (38) and handle apron (39), the peripheral edge of detection zone (4) is equipped with detects vertical wall (42), be equipped with on detecting vertical wall (42) and handle the detection income unthreaded hole (43) that unthreaded hole (382) communicate, and a detection cover plate (44) is arranged on the detection vertical wall (42).

2. A high detection accuracy spectrometer according to claim 1, wherein: light source district (2) are including first light source base (22) and second light source base (24) be connected with box (1), can dismantle on first light source base (22) and be connected with deuterium lamp (23), can dismantle on second light source base (24) and be connected with tungsten filament lamp (25), deuterium lamp (23) and tungsten filament lamp (25) keep away from one side of treatment area (3) and are equipped with and lie in light source district (2) and be connected reflector (26) with box (1).

3. A high detection accuracy spectrometer according to claim 1, wherein: the light-gathering component (31) comprises an incident slit (311) and an emergent slit (312) which are connected with the box body (1), and light beams passing through the processing light-entering hole (381) irradiate in the incident slit (311).

4. A high detection accuracy spectrometer according to claim 3, wherein: the light adjusting component (33) comprises a first spherical mirror (331), a prism (332), a second spherical mirror (333), a first reflecting mirror (334), a beam splitter (335), a second reflecting mirror (336) and a third reflecting mirror (337) which are connected with the box body (1), light beams passing through the incident slit (311) sequentially pass through the first spherical mirror (331), the prism (332), the second spherical mirror (333), the extinction tube (37), the emergent slit (312), the first reflecting mirror (334) and the beam splitter (335), and two light beams generated by the beam splitter (335) are respectively irradiated into the detection area (4) through the reflection of the second reflecting mirror (336) and the third reflecting mirror (337).

5. A high detection accuracy spectrometer according to claim 4, wherein: the lower end of the prism (332) is provided with a rotating base (34) which is rotatably connected with the box body (1), and the rotating base (34) is connected with the output end of a rotating driver (341).

6. A high detection accuracy spectrometer according to claim 5, wherein: one side of the exit slit (312) is provided with a filter (5) for reducing the wavelength range of the light beam.

7. A high detection accuracy spectrometer according to claim 6, wherein: filter piece (5) including filtering base (51) be connected with box (1), be connected with step motor (52) on filtering base (51), the output of step motor (52) is connected with filter disc (53), be equipped with polarization filter (54) of a plurality of different colours on filter disc (53).

8. A high detection accuracy spectrometer according to claim 1, wherein: can dismantle in detection zone (4) and be connected with installed part (45), be equipped with a plurality of installation pipes (46) on installed part (45).

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