CN219291476U - Multichannel direct-reading spectrometer workbench - Google Patents

Abstract

The utility model discloses a multichannel direct-reading spectrometer workbench, which comprises a support cabinet and a plurality of module placement boxes, wherein the support cabinet is provided with an inner space, an upper chute, a lower chute and two sliding openable cabinet doors are arranged on the front side and used for communicating the inner space, and the inner space of the support cabinet is enough to accommodate the plurality of module placement boxes; the plurality of module placing boxes are detachably mounted on the supporting cabinet, and the inside of the plurality of module placing boxes are arranged in different structures and are tightly clamped with each other. The detection range of the spectrometer workbench can be adjusted by using the multi-channel expandable structure, so that the detection precision is improved; the workbench structure is divided in a modularized manner, so that the disassembly and assembly of the spectrometer workbench and the expansion and utilization of equipment are facilitated, and fault diagnosis can be rapidly performed when an instrument fault occurs; the spectrometer system in the form of the workbench can adapt to more working environments while maintaining the test accuracy, and has stronger anti-interference capability.

Description

Multichannel direct-reading spectrometer workbench

Technical Field

The utility model relates to the technical field of spectrum detection, in particular to a multichannel direct-reading spectrometer workbench.

Background

The direct-reading spectrometer is widely applied to the field of oil detection monitoring, and can reduce abrasion of some large-scale mechanical equipment, such as an aeroengine, an internal combustion engine and the like, some key mechanical parts are required to be lubricated in the working process, the corresponding working state is achieved, the abrasion condition can be closely observed through disassembly of some equipment, but most of lubricating parts work in a closed environment, the tightness of the lubricating parts can be influenced through frequent disassembly, the service life of the lubricating parts is shortened, and the working condition of the parts can be indirectly obtained through oil monitoring. When the metal component is worn to generate scraps and enters lubricating oil liquid, the oil liquid is polluted, at the moment, the oil liquid sample is subjected to spectral analysis, under the excitation action of external energy, each atom emits light with specific wavelength, the light characteristic spectral lines excited by different elements are different, the intensity of the characteristic spectral lines can reflect the concentration of the elements, and therefore the wear condition and degree of the mechanical component can be judged by monitoring the content of each metal element in the oil liquid. Currently, fault diagnosis methods based on oil monitoring are popular in various fields of aviation, railway transportation, engineering machinery and the like.

Because the working environment of large-scale mechanical equipment is more complicated, and there may be many equipment to detect in same factory, it is more time-consuming to send the fluid sample to professional laboratory detection, can not in time carry out fault diagnosis and can make production efficiency reduce, and use small-size portable spectrum appearance then has the not high problem of measurement accuracy.

The traditional direct-reading spectrometer is generally based on an embedded signal acquisition system, has the advantages of complex structure, strong integrity, poor expansibility, high requirement on working environment, large occupied space, difficult movement, difficult expansion and disassembly of an external module, difficult rapid elimination of problems when a detection instrument breaks down, and unfavorable rapid fault diagnosis.

The utility model patent with publication number of CN217413926U discloses a fossil monitoring workbench, which comprises: a supporting cabinet and a spectrometer observation box. The support cabinet is provided with an inner space, a front door communicated with the inner space and front door plates rotatably arranged at two sides of the front door; the spectrometer observation box is provided with an accommodating space, is detachably arranged on the top surface of the supporting cabinet, is provided with a front opening and a top opening, the top opening is suitable for fixedly mounting a spectrometer, a turnover shading cloth is fixedly arranged above the front opening, and the top of the supporting cabinet is suitable for placing a spectrometer host computer, a notebook computer and the like. This patent discloses a spectrometer viewing box removably mounted on a support cabinet, but with only one box that cannot be extended.

The utility model patent with publication number of CN 206488853U discloses a connection structure and multichannel spectrometer of multichannel spectrometer, and multichannel spectrometer includes main control module and a plurality of single channel spectrometer module, and connection structure is used for being connected main control module and a plurality of single channel spectrometer module, includes: the first supporting component is used for being installed in the main control module; a plurality of second support members for receiving the single-channel spectrometer modules, respectively; one side of the first supporting member is provided with an engaging part; the two opposite sides of the second supporting member are respectively provided with a clamping part and a clamped part; the engaging portion and the engaged portion on the adjacent second support member can be connected to each other so that the second support members can be connected to each other; the engagement portion of the first support member is connectable to the engaged portion of the adjacent second support member. The connecting structure of the multichannel spectrometer can facilitate the fixed connection of the multichannel spectrometer, and the increase or the decrease of the channels is very convenient. Although the single-channel spectrometer module can be connected, the single-channel spectrometer module occupies a large space and is not easy to move.

Disclosure of Invention

Based on the problems encountered in the actual working of the problems, the utility model designs the modularized multichannel direct-reading spectrometer workbench by combining the principle analysis of the oil detection direct-reading spectrometer system, which can improve the detection convenience and the working efficiency.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a multichannel direct-reading spectrometer workstation comprising: the cabinet comprises a support cabinet and a plurality of module placing boxes, wherein the support cabinet is provided with an inner space, an upper sliding chute, a lower sliding chute and two sliding openable cabinet doors are arranged on the front side of the support cabinet and used for communicating the inner space, and the inner space of the support cabinet is enough to accommodate the plurality of module placing boxes; the plurality of module placing boxes are detachably mounted on the supporting cabinet, and the inside of the plurality of module placing boxes are arranged in different structures and are tightly clamped with each other. The front side of the supporting cabinet is provided with two door plates and sliding grooves which are opened and closed in a sliding manner, so that the space occupied by the workbench in actual working can be saved, and the supporting cabinet is suitable for more working environments.

Preferably, the module is placed the case outside and is all set up block structure and screw hole, and the box inside sets up circular through-hole for the dredging and the arrangement of connecting wire, the supporting cabinet top also sets up the screw hole that corresponds with the module and places the case.

Preferably, the front side door plate of the module placement box is provided with a stop device, and through holes formed in two sides of the door plate and one side of the box body, the sliding door plate can be fixed to a certain height by using the sliding block bolt stop device, and the module placement box can be used as an excitation light source box, so that the operation of placing a sample and replacing the sample is convenient.

Preferably, the module placing box is internally provided with a closed space with a detachable top plate, so that the module placing box can be used as an optical system box, the stability is enhanced, the interference of the external environment on the optical system is reduced, and meanwhile, the module placing box can be timely corrected when the light path is deviated.

Preferably, the module placement box interior enclosure roof is bolted to the box body.

Preferably, a partition fence is arranged inside the module placement box.

Preferably, a 4×4 partition is provided inside the module placement box. The photoelectric conversion box can be used, each independent lattice can be provided with a photomultiplier, the number of channels used can be selected according to actual requirements, enough space is reserved from the top of the partition fence to the top of the box body for wiring connection, and the top plate of the box body is detachable.

Preferably, the module placing box is divided into an upper part and a lower part, the two layers are separated by two short plates, the lower part is used for placing a multi-output power supply to supply power for each module of the workbench, the upper layer is provided with a signal acquisition conditioning module, an AD conversion module, an FPGA main control module and other control circuits, two rectangular windows are formed in the left side of the box body and adjacent to the FPGA control panel, peripheral interfaces are reserved for conveniently connecting computer equipment, and power interfaces are reserved for other equipment.

Preferably, the multichannel direct-reading spectrometer workbench comprises:

support cabinet: the cabinet is provided with an inner space, and an upper sliding chute and a lower sliding chute are arranged on the front side of the cabinet, and two cabinet doors which can be opened in a sliding manner are used for communicating the inner space;

excitation light source box: the device is arranged above the supporting cabinet and used for placing the spark excitation device and the sample loading pool, the front side of the box body is provided with a door plate which slides up and down, the box body is closed by means of gravity, the light shielding and closing functions are achieved, and the left side wall of the box body is provided with a through hole, so that an optical fiber can conveniently pass through an inlet slit connected to an optical system;

optical system box: the device is used for placing the Roland round optical system and is tightly connected with the excitation light source box and the photoelectric conversion box through clamping structures at two sides of the box body;

photoelectric conversion box: the photoelectric detector is used for placing photoelectric detectors, the photoelectric detectors are usually photomultiplier tubes in oil spectrum detection, each photomultiplier tube corresponds to one path of optical signal channel, the number of the channels can be expanded to 16 at most, each photoelectric detector is separated by a separation column and plays a role in fixing, the holes on two sides of the box body ensure connection of signal wires and electric wires, and the photoelectric detectors are tightly connected with an optical system box and a circuit system box through clamping structures on two sides of the box body;

circuitry box: the device is used for placing the FPGA control system module and the power supply module, controlling the normal operation of the spectrometer workbench, simultaneously bearing the function of being in interactive connection with peripheral equipment and supplying power to the peripheral equipment, and being tightly connected with the photoelectric conversion box through the clamping structures on two sides of the box body.

Preferably, computers and other testing equipment can be placed on top of the support cabinet.

The beneficial effects are that: the detection range of the spectrometer workbench can be adjusted by using the multi-channel expandable structure, so that the detection precision is improved; the workbench structure is divided in a modularized manner, so that the splitting and the assembling of the spectrometer workbench are facilitated, the equipment is expanded and utilized, and the fault diagnosis can be rapidly carried out when the instrument faults occur; the spectrometer system in the form of the workbench can adapt to more working environments while maintaining the test accuracy, and has stronger anti-interference capability.

Drawings

FIG. 1 is a perspective view of the overall structure of a workbench of a multichannel direct-reading spectrometer provided by an example of the utility model;

FIG. 2 is a top view of a multichannel direct-reading spectrometer table provided by an example of the present utility model;

FIG. 3 is a schematic view of a supporting cabinet according to an exemplary embodiment of the present utility model;

FIG. 4 is a schematic view of an excitation light source box according to an exemplary embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a photoelectric conversion box provided by an example of the present utility model;

fig. 6 is a schematic diagram of a circuit system box according to an example of the present utility model.

In the attached drawings, 1-a supporting cabinet; 2-exciting a light source box; 3-an optical system box; 4-a photoelectric conversion box; 5-a circuitry box; 11-front cabinet door; 12-a chute; 21-a door panel; 22-slider latch stop means; 23-grooves; 201—a bump; 31-top plate; 41-top plate; 42-dividing columns; 401-bump; 403-through holes; 51-front plate; 52-a separator; 53-a chute; 54—rectangular window 1; 55-rectangular window 2.

Detailed Description

In order that those skilled in the art will better understand the solution of the present utility model, the following description of the technical solution of the present utility model will be clearly and completely described with reference to the accompanying drawings in which it is apparent that the examples described are only some, but not all, examples of the present utility model. All other embodiments obtained by those skilled in the art based on the examples herein shall fall within the scope of the present utility model without making any inventive effort.

Example 1

The utility model provides a multichannel direct-reading spectrometer workbench based on an FPGA, which is shown in the examples of figures 1-6, and comprises a supporting cabinet 1, an excitation light source box 2, an optical system box 3, a photoelectric conversion box 4 and a circuit system box 5. Wherein, the liquid crystal display device comprises a liquid crystal display device,

the support cabinet 1 is provided with an inner space, a front cabinet door 11 which can be opened in a sliding way and a sliding groove 12;

the excitation light source box 2 is provided with an accommodating space for installing a rotary graphite electrode device and a sample loading pool, and the front side of the excitation light source box is provided with a door plate 21 sliding up and down and a sliding block bolt stop device 22;

the optical system box 3 has an accommodation space for mounting an optical system, and has a detachable top plate 31 on top;

the photoelectric conversion box 4 is provided with an internal space, comprises a separation fence 42, and reserves enough space wiring at the top;

the circuit system box 5 is divided into an upper part and a lower part, the upper side is provided with a circuit board, the lower side is provided with a power supply device, and the two parts are separated by a slotted partition board 52. The top of the supporting cabinet 1 is provided with threaded holes for fixedly mounting the module boxes 2, 3, 4 and 5, and the boxes 2, 3, 4 and 5 are also provided with threaded holes and through holes at corresponding positions for wire connection of the devices in the boxes and fixation of the whole structure.

In this embodiment, the supporting cabinet structure is shown in fig. 3, the space occupied by the cabinet door 11 which is opened and closed in a sliding manner can be reduced when the workbench is used, so as to adapt to more working environments, the top surface of the supporting cabinet is provided with threaded holes corresponding to the installation positions of the box modules, the limiting and fixing functions are achieved, a through hole is formed in the upper left corner of the top of the cabinet, the wiring of the internal equipment of the cabinet to the outside is facilitated, and the internal space of the supporting cabinet can be used for storing samples or related experimental equipment such as a computer host, a heating cabinet and the like.

In this embodiment, as shown in fig. 4, the exciting light source box structure is that the front door plate 21 is limited by a chute to slide up and down on a vertical plane, a rubber pad is installed at the bottom of the door plate 21, so that the door plate has better tightness, interference of ambient light on a detection result is reduced, a bolt 22 on one side can manually fix the door plate at a certain height after the door plate is lifted, the door plate can be prevented from falling down, a groove 23 is formed in the door plate 21 and is used as a handle for lifting and falling the door plate, and a convex structure, namely a convex block 201, is arranged outside the left side of the box body and is connected with the next box body.

In the present embodiment, as shown in fig. 5, the photoelectric conversion box structure is provided with convex structures, i.e., convex blocks 401 on both sides, for combined connection with the left and right two boxes, respectively, and a top plate 41 is fixed to the boxes by bolts, sealing the inner space. The detachable square separation fence 42 is arranged in the box body to divide the inner space into 16 parts, each grid position can be provided with a photomultiplier tube, an optical signal channel is formed by connecting an optical fiber with an outlet slit of an optical system, at most, 16 channels of optical signal acquisition can be supported, and through holes 403 are formed in corresponding positions on two sides of the inner part for the connection and extension of signal wires.

In this embodiment, as shown in fig. 6, the circuit system box structure is connected with the convex mechanism, i.e. the protruding block 401, the front plate 51 is connected to the box body through a chute and seals the inside, a partition plate 52 with a rectangular opening is arranged in the front plate, and two different-height chute 53 are arranged in the front plate, the space capacity of the upper and lower parts can be adjusted according to the size of the actual lower power supply module by inserting the partition plate into the chute with different heights, the wiring of the power supply is connected to each device of the upper circuit board through the rectangular opening on the partition plate, a rectangular window 54 is arranged on the left side of the box body and adjacent to the mounting position of the external interface module, so that the external equipment such as a computer and a workbench can be conveniently connected in an interactive manner, and a rectangular window 55 is arranged below the window 54 for expanding an additional power supply interface for other equipment.

In this embodiment, compared with other embedded and virtual instrument acquisition systems, the FPGA acquisition system has the characteristics of high hardware integration level, strong instantaneity, rich expansion interfaces, and low requirement on the software development capability of a user, so that the FPGA is selected as a control core, on one hand, the performance requirement of the spectrometer workbench is met, and on the other hand, the design concept of the workbench modular structure is also met.

In this embodiment, because the whole workbench has a modularized structure, the boxes 2, 3, 4 and 5 can be respectively and independently mounted on the workbench supporting cabinet, or can be assembled into an integral spectrometer module firstly and then mounted on the top of the supporting cabinet, when the workbench needs to be transferred, the boxes 2, 3, 4 and 5 can be placed and stored in the internal space of the supporting cabinet 1 after being integrally disassembled, so that the space arrangement and rapid re-assembly are facilitated, and the workbench is suitable for more working environments.

Finally, it is to be understood that the above embodiments are merely exemplary embodiments employed for the purpose of illustrating the principles of the present utility model, however, the present utility model is not limited thereto. Various modifications and improvements may be made by those skilled in the art without departing from the principles and spirit of the utility model, and such modifications and improvements are also considered within the scope of the utility model.

Claims (7)

1. The multichannel direct-reading spectrometer workbench comprises a supporting cabinet, wherein the supporting cabinet is provided with an inner space, an upper sliding chute, a lower sliding chute and two sliding openable cabinet doors are arranged on the front side of the supporting cabinet and used for communicating the inner space, and the multichannel direct-reading spectrometer workbench is characterized by further comprising a plurality of module placing boxes, wherein the inner space of the supporting cabinet is enough for accommodating the plurality of module placing boxes, the plurality of module placing boxes are detachably arranged on the supporting cabinet, the inside of the plurality of module placing boxes are arranged in different structures and are tightly clamped with each other, and the plurality of module placing boxes are respectively an excitation light source box, an optical system box, a photoelectric conversion box and a circuit system box;

excitation light source box: the device is used for placing the spark excitation device and the sample loading pool, the front side of the box body is provided with a door plate which slides up and down, and the left side wall of the box body is provided with a through hole;

optical system box: the closed space is used for placing the Roland round optical system and provided with a detachable top plate, and is tightly connected with the excitation light source box and the photoelectric conversion box through clamping structures at two sides of the box body;

photoelectric conversion box: the photoelectric detector is used for placing the photoelectric detector, 4 multiplied by 4 separation columns are arranged in the photoelectric detector, holes are formed in two sides of the box body to ensure connection of signal wires and electric wires, and the photoelectric detector is tightly connected with the optical system box and the circuit system box through clamping structures on two sides of the box body;

circuitry box: the device is used for placing an FPGA control system module and a power module and is tightly connected with a photoelectric conversion box through clamping structures at two sides of the box body.

2. The multichannel direct-reading spectrometer operating platform according to claim 1, wherein the outside of the module placement box is provided with a clamping structure and a threaded hole, the inside of the box body is provided with a circular through hole, the clamping structure comprises a concave structure and a convex structure, and the top of the support cabinet and the bottom of the module placement box are provided with corresponding threaded holes.

3. The multi-channel direct-reading spectrometer operating platform according to claim 2, wherein the front side door plate of the module placement box is provided with a stop device, and the sliding door plate can be fixed to a certain height by opening holes on two sides of the door plate and one side of the box body through a sliding block bolt stop device.

4. The multichannel direct-reading spectrometer work bench according to claim 2 wherein the module placement box has an enclosed space with a removable top plate disposed inside.

5. The multichannel direct-reading spectrometer work bench according to claim 4 wherein the top plate of the closed space inside the module placement box is connected to the box body by bolts.

6. The multi-channel direct-reading spectrometer operating platform according to claim 5, wherein the module placement box is divided into an upper part and a lower part, and the upper part and the lower part are separated by two short plates.

7. The multichannel direct-reading spectrometer work bench of any of claims 1-6, wherein a computer and other testing equipment can be placed on top of the support cabinet.

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