CN219200623U - Diode array detection device - Google Patents

Diode array detection device Download PDF

Info

Publication number
CN219200623U
CN219200623U CN202320275545.8U CN202320275545U CN219200623U CN 219200623 U CN219200623 U CN 219200623U CN 202320275545 U CN202320275545 U CN 202320275545U CN 219200623 U CN219200623 U CN 219200623U
Authority
CN
China
Prior art keywords
light
light source
module
source module
diode array
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202320275545.8U
Other languages
Chinese (zh)
Inventor
宋瑶
程鹏
罗阁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wukong Scientific Instrument (Shanghai) Co.,Ltd.
Original Assignee
Shandong Wukong Instrument Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Wukong Instrument Co ltd filed Critical Shandong Wukong Instrument Co ltd
Priority to CN202320275545.8U priority Critical patent/CN219200623U/en
Application granted granted Critical
Publication of CN219200623U publication Critical patent/CN219200623U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)

Abstract

The embodiment of the utility model provides a diode array detection device, and relates to the technical field of optical signal detection. The diode array detection device comprises a mounting frame, a light source module, a light splitting module and a heat dissipation module. The light source module is connected with the mounting frame, the light splitting module is also connected with the mounting frame, the light splitting module is connected with the light source module, the heat dissipation module comprises a heat dissipation frame, the heat dissipation frame is connected with the mounting frame and jointly defines a heat dissipation channel, the light source module is at least partially positioned in the heat dissipation channel, and at least one of the heat dissipation hole or the mounting frame is provided with an air inlet communicated with the heat dissipation channel. The gas after heat exchange of the light source module can flow in the heat dissipation channel until being discharged from one end of the heat dissipation channel far away from the light source module, so that the gas emitted by the light source module is prevented from affecting other devices in the diode array detection device.

Description

Diode array detection device
Technical Field
The utility model relates to the technical field of optical signal detection, in particular to a diode array detection device.
Background
The diode array detector is a light absorption detector, which adopts a photodiode array as a detection element to form a multi-channel parallel operation, and can detect the light signals of all the wavelengths separated by the grating, thereby rapidly determining the wavelength with the optimal selectivity and sensitivity. The method can obtain chromatograms with any wavelength and spectrograms with any time, has the functions of identifying chromatographic peak purity, searching spectrograms and the like, and provides more abundant information for qualitative and quantitative analysis.
The inventor researches and discovers that the heat emitted by the light source module in the existing light absorption detector easily affects other devices in the diode array detection device.
Disclosure of Invention
The utility model aims to provide a diode array detection device, which is provided with a heat dissipation module, wherein the heat dissipation module is provided with a heat dissipation frame, the heat dissipation frame is connected with a mounting frame and jointly defines a heat dissipation channel, one end of the heat dissipation frame is connected with a light source module, and further, heat emitted by the light source module can be discharged through the independent heat dissipation channel, so that the heat emitted by the light source module can be effectively prevented from affecting other devices in the diode array detection device.
Embodiments of the present utility model are implemented as follows:
in a first aspect, the present utility model provides a diode array detection device, comprising:
a mounting frame;
the light source module is connected with the mounting frame;
the light splitting module is connected with the mounting frame and the light source module;
the heat radiation module comprises a heat radiation frame, the heat radiation frame is connected with the mounting frame and jointly defines a heat radiation channel, the light source module is at least partially positioned in the heat radiation channel, and at least one of the heat radiation frame or the mounting frame is provided with an air inlet communicated with the heat radiation channel.
In an alternative embodiment, the light source module is provided with a heat sink at least partially located in the heat dissipation channel, the heat sink being configured to absorb heat of the light source module.
In an alternative embodiment, the heat dissipation module further includes a heat dissipation fan disposed in the heat dissipation channel, the heat dissipation fan is located at a side of the heat radiator away from the light source module, and the heat dissipation fan is used for discharging heat emitted by the light source module out of the heat dissipation channel.
In an alternative embodiment, the air inlet is disposed on the mounting frame, and an included angle is formed between an opening direction of the air inlet and an axial direction of the heat dissipation channel.
In an alternative embodiment, the light source module comprises a light source shell and a light emitting component arranged in the light source shell, the light source shell is provided with a light outlet, the outer side of the light source shell is provided with a positioning connecting piece, the center of the light outlet and the light emitting center of the light emitting component are on a preset straight line, and one end of the positioning connecting piece, which is far away from the light source shell, is connected with the light splitting module.
In an alternative embodiment, the light emitting assembly includes a first light emitting member, a second light emitting member, and a focusing lens disposed between the first light emitting member and the second light emitting member.
In an alternative embodiment, the diode array detection device further includes a heat insulating member, and the heat insulating member is sleeved on the positioning connecting member and is located between the positioning connecting member and the beam splitting module.
In an alternative embodiment, the light splitting module comprises a light splitting shell and a flow cell, a reflecting mirror, a slit piece, a grating and an array sensor which are arranged in the light splitting shell, wherein a light inlet is formed in the light splitting shell, the center of the flow cell, the center of the light inlet, the center of the positioning connecting piece, the center of the light outlet and the light emitting center of the light emitting component are arranged on a preset straight line, and light emitted by the light emitting component can sequentially pass through the flow cell, the reflecting mirror, the slit piece, the grating and the array sensor.
In an optional embodiment, the diode array detection device further includes a condensing lens group, the condensing lens group includes a first lens seat and a second lens seat which are connected and coaxially arranged, the size of the first lens seat is smaller than that of the second lens seat, the end face, close to the first lens seat, of the second lens seat abuts against the inner wall of the light splitting shell, and the first lens seat is used for being sequentially inserted into the light inlet and the positioning connecting piece.
In an alternative embodiment, the light splitting module further comprises a correction component arranged in the light splitting shell, the correction component is located between the flow cell and the light inlet, the correction component comprises a driving piece, a connecting column and correction glass arranged on the peripheral wall of the connecting column, the driving piece is connected with the connecting column, the driving piece is used for driving the connecting column to rotate so as to drive the correction glass to switch between a first preset position and a second preset position, and when the correction glass is located at the first preset position, a preset straight line passes through the correction glass.
The embodiment of the utility model has the beneficial effects that: the diode array detection device provided by the embodiment of the utility model comprises a mounting frame, a light source module, a light splitting module and a heat dissipation module. The light source module is connected with the mounting frame, the light splitting module is also connected with the mounting frame, the light splitting module is connected with the light source module, the heat dissipation module comprises a heat dissipation frame, the heat dissipation frame is connected with the mounting frame and jointly defines a heat dissipation channel, the light source module is at least partially positioned in the heat dissipation channel, and at least one of the heat dissipation hole or the mounting frame is provided with an air inlet communicated with the heat dissipation channel. When radiating, the gas after heat exchange with the light source module can flow in the radiating channel until being discharged from one end of the radiating channel far away from the light source module, so that the gas after heat exchange with the light source module is prevented from directly contacting with other devices in the diode array detection device after leaving the light source module, and the gas emitted by the light source module is prevented from affecting other devices in the diode array detection device as far as possible.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a diode array detection device according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram illustrating the separation of a light source module, a heat insulator and a light splitting module according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of an optical path in a diode array detection device according to an embodiment of the present utility model.
Icon 1-diode array detection device; 10-mounting frame; 20-a light source module; 21-a light source housing; 22-positioning connectors; 23-a first light-emitting member; 24-a second luminescent member; 25-focusing lens; 30-a light splitting module; 31-a spectroscopic housing; 32-a flow cell; 33-a mirror; 34-slit members; 35-grating; 36-array sensor; 40-a heat dissipation module; 41-a heat dissipation frame; 42-a heat sink; 43-a heat dissipation fan; 44-an air outlet; 50-an air inlet; 60-heat insulation; 70-a condensing lens group; 71-a first lens holder; 72-a second lens holder; 80-a correction assembly; 81-connecting columns; 82-correcting glass; 2-a preset straight line.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The specific structure of the diode array detection device and the corresponding technical effects thereof provided by the embodiment of the utility model are described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 3, a diode array detection device 1 provided in an embodiment of the utility model includes a mounting frame 10, a light source module 20, a light splitting module 30 and a heat dissipation module 40.
Wherein the light source module 20 is connected with the mounting frame 10, the light splitting module 30 is also connected with the mounting frame 10, and the light splitting module 30 is connected with the light source module 20, the heat dissipation module 40 comprises a heat dissipation frame 41, the heat dissipation frame 41 is connected with the mounting frame 10 and jointly defines a heat dissipation channel, the light source module 20 is at least partially located in the heat dissipation channel, at least one of the heat dissipation hole or the mounting frame 10 is provided with an air inlet 50 communicated with the heat dissipation channel, and one end of the heat dissipation channel far away from the light source module 20 is an air outlet 44.
External air can enter through the air inlet 50, so that the air can exchange heat with the light source module 20 in the heat dissipation channel, heat of the light source film group is taken away, and finally the air can be discharged from one end of the heat dissipation channel away from the light source module 20, so that heat dissipation of the light source module 20 is realized. It can be understood that, during heat dissipation, the gas after heat exchange with the light source module 20 will be limited to flow in the heat dissipation channel until being discharged from the end of the heat dissipation channel far away from the light source module 20, so that the gas after heat exchange with the light source module 20 is prevented from directly contacting with other devices in the diode array detection device 1 after leaving the light source module 20, and the gas emitted by the light source module 20 is prevented from affecting other devices in the diode array detection device 1 as much as possible.
Further, the light source module 20 is provided with a heat sink 42 at least partially located in the heat dissipation channel, and the heat sink 42 is used for absorbing heat of the light source module 20. It can be appreciated that the heat sink 42 can absorb heat generated by the light source module 20 after being connected to the light source module 20. Specifically, in the present embodiment, the radiator 42 is located in the heat dissipation channel and seals an end of the heat dissipation channel close to the light source module 20, so as to prevent the gas entering from the air inlet 50 from overflowing from the end of the heat dissipation channel close to the light source module 20.
It is easy to understand that the heat sink 42 can absorb the heat generated by the light source module 20, and the air entering from the air inlet 50 can be exhausted from the heat dissipation channel at the end far from the light source module 20 after exchanging heat with the heat sink 42.
Further, the heat dissipation module 40 further includes a heat dissipation fan 43 disposed in the heat dissipation channel, the heat dissipation fan 43 is located at a side of the heat sink 42 away from the light source module 20, and the heat dissipation fan 43 is used for exhausting heat of the light source module 20 out of the heat dissipation channel. It can be appreciated that when the fan blades in the cooling fan 43 rotate, the air in the cooling channel can be moved from the side close to the light source module 20 to the side far away from the light source module 20, so that the air in the cooling channel and the air in the radiator 42 can be discharged out of the cooling channel, and finally the heat generated by the light source module 20 is discharged out of the cooling channel, so as to increase the heat dissipation efficiency of the light source module 20.
It should be noted that, in the present embodiment, the side of the heat dissipating fan 43 close to the heat sink 42 has an air suction opening for sucking air, so as to ensure that the fan can cover the heat sink 42 with a maximum area, so as to ensure the heat dissipating effect on the heat sink 42, and the air suction opening is opposite to the side of the heat sink 42 far from the light source module 20.
Further, the air inlet 50 is disposed on the mounting frame 10, and an included angle is formed between an opening direction of the air inlet 50 and an axial direction of the heat dissipation channel. Specifically, in this embodiment, the mounting frame 10 includes a first frame body and a second frame body that are connected by an included angle, in this embodiment, the first frame body is connected with the second frame body by a right angle, and two adjacent outer side walls of the light source module 20 are respectively propped against the first frame body and the second frame body, the light splitting module 30 is disposed on the first frame body, the heat dissipation frame 41 is respectively connected with the first frame body and the second frame body to jointly define a heat dissipation channel, in this embodiment, the air inlet 50 is disposed on the second frame body, and the opening direction of the air inlet 50 is an included angle with the axis direction of the heat dissipation channel, so that the air can be fully exchanged with the light source module 20 in the heat dissipation channel, so as to improve the heat dissipation effect of the light source module 20.
In fig. 1, to illustrate the radiator 42 and the cooling fan 43 in the cooling channel, a side of the cooling frame 41 away from the first frame body is not shown in the drawing to show the components in the cooling channel.
Specifically, the light source module 20 includes a light source housing 21 and a light emitting component disposed in the light source housing 21, the light source housing 21 is provided with a light outlet, a positioning connector 22 is disposed outside the light source housing 21, a center of the positioning connector 22, a center of the light outlet and a light emitting center of the light emitting component are on a preset straight line 2, that is, a light source emitted by the light emitting component can pass through the light outlet and the center of the positioning connector 22, and one end of the positioning connector 22 far away from the light source housing 21 is connected with the light splitting module 30. The outer shell of the positioning connecting piece 22 is cylindrical and has a step, and the positioning connecting piece 22 is provided with a mounting hole, and it can be understood that the positioning connecting piece 22 ensures that the light source emitted by the light emitting component can be emitted from the center of the positioning connecting piece 22, and then the light path of the light incident into the light splitting module 30 can be ensured.
Further, the light emitting assembly includes a first light emitting element 23, a second light emitting element 24, and a focusing lens 25, wherein the focusing lens 25 is located between the first light emitting element 23 and the second light emitting element 24, and it can be understood that, specifically, the second light emitting element 24 is close to the light outlet relative to the first light emitting element 23, and the centers of the first light emitting element 23, the focusing lens 25, and the second light emitting element 24 are on a preset straight line 2, and the focusing lens 25 is disposed between the first light emitting element 23 and the second light emitting element 24, so that light emitted by the first light emitting element 23 can pass through the focusing lens 25 and the second light emitting element 24 as much as possible.
In the present embodiment, the first light emitting element 23 is a tungsten lamp, and the second light emitting element 24 is a deuterium lamp.
Further, in the present embodiment, the diode array detection device 1 further includes a heat insulation member 60, and the heat insulation member 60 is sleeved on the positioning connection member and is located between the positioning connection member and the beam splitting module 30. Specifically, the heat insulating member 60 is a heat insulating gasket, and the heat insulating coil is made of a heat insulating material, so that heat of the light source module 20 can be prevented from being transferred to the light splitting module 30 to a certain extent, and further, other parts can not be influenced by the heat of the light source.
Further, the light splitting module 30 includes a light splitting housing 31, and a flow cell 32, a reflecting mirror 33, a slit member 34, a grating 35 and an array sensor 36 disposed in the light splitting housing 31, where the light splitting housing 31 is provided with a light inlet, the center of the flow cell 32, the center of the light inlet, the center of the positioning connector 22, the center of the light outlet and the light emitting center of the light emitting component are on a preset straight line 2, and the light emitted by the light emitting component can sequentially pass through the flow cell 32, the reflecting mirror 33, the slit member 34, the grating 35 and the array sensor 36.
It can be appreciated that, because the center of the flow cell 32, the center of the light inlet, the center of the positioning connector 22, the center of the light outlet, and the light emitting center of the light emitting component are on the preset straight line 2, that is, the light emitted by the light emitting component can pass through the center of the flow cell 32, so that the energy of the light source center can be more efficiently introduced into the flow cell 32.
Further, the diode array detecting device 1 further includes a condensing lens assembly 70, the condensing lens assembly 70 includes a first lens seat 71 and a second lens seat 72 that are connected and coaxially disposed, a size of the first lens seat 71 is smaller than that of the second lens seat 72, an end surface of the second lens seat 72, which is close to the first lens seat 71, abuts against an inner wall of the spectroscopic housing 31, and the first lens seat 71 is used for being sequentially inserted into the light inlet and the positioning connector 22. That is, the first lens holder 71 can be inserted into the mounting hole of the light inlet and then inserted into the positioning connector 22, and the converging lens is mounted in the first lens holder 71 or the second lens holder 72.
It can be understood that the positioning connector 22 is mounted on the light outlet of the light source housing 21, and the center of the light outlet is consistent with the light emitting center of the first light emitting element 23 and the light emitting center of the second light emitting element 24, and the converging lens is mounted on the positioning connector 22 through the first lens seat 71, wherein the center of the converging lens, the light emitting center of the first light emitting element 23 and the light emitting center of the second light emitting element 24 are all located on a preset straight line 2. Light emitted by the light emitting assembly can pass through the center of the flow cell 32, so that more efficient energy entering the flow cell 32 from the center of the light source is ensured.
It can be understood that the light emitted by the tungsten lamp and the deuterium lamp can converge ultraviolet-visible light to the flow cell 32 through the condensing lens group 70, the sample in the flow cell 32 absorbs the specific wavelength of the ultraviolet-visible light, the absorbed projected light plate is converged to the slit member 34 in front of the grating 35 through the reflecting mirror 33, the incident light passing through the slit member 34 is split at the grating 35, and the split full spectral band is converged to the array sensor 36 for simultaneous detection.
A motor (not shown) is further provided in the spectroscopic module 30, and the slit member 34 can switch slits of different specifications by motor control.
Further, the light splitting module 30 further includes a correction component 80 disposed in the light splitting housing 31, the correction component 80 is located between the flow cell 32 and the light inlet, the correction component 80 includes a driving member (not shown in the figure), a connection column 81, and a correction glass 82 disposed on a peripheral wall of the connection column 81, the driving member is connected with the connection column 81, and the driving member is used for driving the connection column 81 to rotate so as to drive the correction glass 82 to switch between a first preset position and a second preset position, and when the correction glass 82 is located at the first preset position, the preset straight line 2 passes through the correction glass 82. The driving member may be a motor, as long as the driving member can drive the connecting post 81 to rotate.
In other words, when the correction glass 82 is at the second preset position, the preset straight line 2 does not pass through the correction glass 82, and the rotation of the connection post 81 can drive the correction glass 82 to rotate, so that the correction glass 82 is switched between the intersecting or non-intersecting state with the preset straight line 2.
It should be noted that, when the preset straight line 2 passes through the center of the correction glass 82 and is perpendicular to the correction glass 82, the correction glass 82 can perform self-checking or wavelength accuracy correction on the light emitted by the light emitting component, that is, when the correction glass 82 is located outside the preset straight line 2 during normal checking, when the self-checking or wavelength accuracy correction is required, the correction glass 82 is turned to the preset straight line 2, and the preset straight line 2 is perpendicular to the correction glass 82, and the light can enter the subsequent flow cell 32 through the correction glass 82.
In summary, the diode array detection device 1 provided in the embodiment of the utility model includes a mounting frame 10, a light source module 20, a light splitting module 30 and a heat dissipating module 40. The light source module 20 is connected with the mounting frame 10, the light splitting module 30 is also connected with the mounting frame 10, and the light splitting module 30 is connected with the light source module 20, the heat dissipation module 40 comprises a heat dissipation frame 41, the heat dissipation frame 41 is connected with the mounting frame 10 and jointly defines a heat dissipation channel, the light source module 20 is at least partially positioned in the heat dissipation channel, and at least one of the heat dissipation hole or the mounting frame 10 is provided with an air inlet 50 communicated with the heat dissipation channel. During heat dissipation, the gas after heat exchange with the light source module 20 is limited to flow in the heat dissipation channel until being discharged from one end of the heat dissipation channel far away from the light source module 20, so that the gas after heat exchange with the light source module 20 is prevented from directly contacting with other devices in the diode array detection device 1 after leaving the light source module 20, and the gas emitted by the light source module 20 is prevented from affecting other devices in the diode array detection device 1 as much as possible.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A diode array detection device, comprising:
a mounting frame;
the light source module is connected with the mounting frame;
the light splitting module is connected with the mounting frame and connected with the light source module;
the heat radiation module comprises a heat radiation frame, the heat radiation frame is connected with the mounting frame and jointly defines a heat radiation channel, the light source module is at least partially positioned in the heat radiation channel, and at least one of the heat radiation frame or the mounting frame is provided with an air inlet communicated with the heat radiation channel.
2. The diode array detection apparatus according to claim 1, wherein:
the light source module is provided with a radiator at least partially positioned in the radiating channel, and the radiator is used for absorbing heat of the light source module.
3. The diode array detection apparatus according to claim 2, wherein:
the heat radiation module further comprises a heat radiation fan arranged in the heat radiation channel, the heat radiation fan is located at one side, far away from the light source module, of the radiator, and the heat radiation fan is used for discharging heat emitted by the light source module out of the heat radiation channel.
4. The diode array detection apparatus according to claim 2, wherein:
the air inlet is arranged on the mounting frame, and an included angle is formed between the opening direction of the air inlet and the axial direction of the heat dissipation channel.
5. The diode array detection apparatus according to claim 1, wherein:
the light source module comprises a light source shell and a light emitting assembly arranged in the light source shell, a light outlet is formed in the light source shell, a positioning connecting piece is arranged on the outer side of the light source shell, the center of the positioning connecting piece, the center of the light outlet and the light emitting center of the light emitting assembly are arranged on a preset straight line, and one end, far away from the light source shell, of the positioning connecting piece is connected with the light splitting module.
6. The diode array detection apparatus according to claim 5, wherein:
the light-emitting assembly comprises a first light-emitting part, a second light-emitting part and a focusing lens, and the focusing lens is positioned between the first light-emitting part and the second light-emitting part.
7. The diode array detection apparatus according to claim 5, wherein:
the diode array detection device further comprises a heat insulation piece, wherein the heat insulation piece is sleeved on the positioning connecting piece and is located between the positioning connecting piece and the light splitting module.
8. The diode array detection apparatus according to claim 5, wherein:
the light splitting module comprises a light splitting shell and a flow cell, a reflecting mirror, a slit piece, a grating and an array sensor which are arranged in the light splitting shell, wherein a light inlet is formed in the light splitting shell, the center of the flow cell, the center of the light inlet, the center of the positioning connecting piece, the center of the light outlet and the light emitting center of the light emitting component are arranged on a preset straight line, and light emitted by the light emitting component can sequentially pass through the flow cell, the reflecting mirror, the slit piece, the grating and the array sensor.
9. The diode array detection apparatus according to claim 8, wherein:
the diode array detection device further comprises a condensing lens group, the condensing lens group comprises a first lens seat and a second lens seat which are connected and coaxially arranged, the size of the first lens seat is smaller than that of the second lens seat, the second lens seat is close to the end face of the first lens seat and abuts against the inner wall of the light splitting shell, and the first lens seat is used for being sequentially inserted into the light inlet and the positioning connecting piece.
10. The diode array detection apparatus according to claim 8, wherein:
the light splitting module is characterized by further comprising a correction component arranged in the light splitting shell, the correction component is positioned between the flow cell and the light inlet, the correction component comprises a driving piece, a connecting column and correction glass arranged on the peripheral wall of the connecting column, the driving piece is connected with the connecting column, and the driving piece is used for driving the connecting column to rotate so as to drive the correction glass to switch between a first preset position and a second preset position, and when the correction glass is positioned at the first preset position, the preset straight line passes through the correction glass.
CN202320275545.8U 2023-02-18 2023-02-18 Diode array detection device Active CN219200623U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320275545.8U CN219200623U (en) 2023-02-18 2023-02-18 Diode array detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320275545.8U CN219200623U (en) 2023-02-18 2023-02-18 Diode array detection device

Publications (1)

Publication Number Publication Date
CN219200623U true CN219200623U (en) 2023-06-16

Family

ID=86726065

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320275545.8U Active CN219200623U (en) 2023-02-18 2023-02-18 Diode array detection device

Country Status (1)

Country Link
CN (1) CN219200623U (en)

Similar Documents

Publication Publication Date Title
US20090039267A1 (en) Reflector module for a photometric gas sensor
US20080252892A1 (en) Absorption spectroscopy apparatus and method
CN207816800U (en) flow cell for fluorescence spectrometer
CN115161187B (en) Multi-channel fluorescence detection device and PCR instrument
CN219200623U (en) Diode array detection device
CN216350333U (en) Small-size NDIR gas sensor
US11486865B2 (en) Systems for a modular multi-wavelength absorbance detector
CN111707628B (en) Multi-station automatic switching optical path device and spectrometer
CN210243499U (en) Turntable acquisition and measurement system for multicolor fluorescence detection
US20180120223A1 (en) Planar reflective ring
CN114235711B (en) Miniaturized portable high-sensitivity gas measurement system
CN108956406B (en) Smoke detection optical system and method thereof
CN216926569U (en) Gas detection device
US5925881A (en) Infrared absorption measuring cell
EP4063832A1 (en) Integrated sensor
EP2906918B1 (en) Lamp temperature management systems and methods for liquid chromatography analyzers
CN212111287U (en) Light-gathering module, light source assembly and liquid phase detector
CN210089856U (en) Spectrum appearance
CN216484590U (en) Portable gas detector
CN109470638B (en) Laser gas detection device
CN108956407B (en) Light path converging structure
CN111751481A (en) Light-gathering module, light source assembly and liquid phase detector
CN220729460U (en) Spectrum acquisition device
CN216484586U (en) Heat radiation structure of gas detector
CN211402130U (en) Double light source device of ultraviolet-visible-near infrared spectrophotometer

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: No. 9300 Xinge Road, Xinqiao Town, Songjiang District, Shanghai, 201600

Patentee after: Wukong Scientific Instrument (Shanghai) Co.,Ltd.

Address before: 251500 south of East section of Huayuan street, Linyi County, Dezhou City, Shandong Province

Patentee before: SHANDONG WUKONG INSTRUMENT Co.,Ltd.