CN216696188U - Chromatograph modularization box structure - Google Patents
Chromatograph modularization box structure Download PDFInfo
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- CN216696188U CN216696188U CN202122765783.0U CN202122765783U CN216696188U CN 216696188 U CN216696188 U CN 216696188U CN 202122765783 U CN202122765783 U CN 202122765783U CN 216696188 U CN216696188 U CN 216696188U
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Abstract
The utility model relates to a modular box structure of a chromatograph, which comprises a box frame, wherein the box frame comprises a box body, a box door hinged with the box body and an upper cover detachably connected with the box body, the box body comprises a first cavity and a second cavity, and a circuit control module is fixed on the frame of the second cavity; the frame of the first cavity comprises a front frame, a rear frame and an upper end frame, the front frame is hinged with the box door and is provided with a heating sheet and a chromatographic column box, the heating sheet corresponds to the box body and is of a plate-shaped structure, the rear frame fixes the gas circuit control module, and the upper end frame fixes the chromatographic analysis module. The utility model is provided with the box body framework to realize the assembly and combination of the chromatographic analysis module, the gas circuit control module, the circuit control module and the chromatographic column box, and simultaneously optimizes the connecting structure arranged among the chromatographic analysis module, the gas circuit control module, the circuit control module and the chromatographic column box, so that the equipment is convenient to maintain and install, and different combined detector units can be configured according to different analysis requirements.
Description
Technical Field
The utility model belongs to the field of chromatographs, and particularly relates to a modular box body structure of a chromatograph.
Background
The chromatographic analysis technology of the dissolved gas in the insulating oil plays an important role in the operation of a power system, the analysis of the content of the characteristic gas in the insulating oil is favorable for eliminating the early hidden trouble of oil-filled equipment such as a transformer and the like, and the occurrence of sudden faults is avoided.
Traditional insulating oil analysis gas chromatograph includes gas circuit control system, introduction port, chromatographic column and column case, detector, control circuit several parts according to its functional module, and each part passes through organic combination such as gas circuit part or circuit pencil in current gas chromatograph instrument and is in the same place, and the border of each functional module is not very obvious, leads to production equipment and later maintenance inefficiency.
Most of the existing insulating oil analysis gas chromatographs are prepared by a special analysis method configured by a traditional general gas chromatograph or by simple modification, and professional personnel are required for operation in production, assembly, maintenance and replacement; in addition, chromatographic columns in chromatographic analysis instruments belong to consumable materials and need to be replaced regularly, the traditional gas chromatograph adopts a design mode based on an air bath column box for facilitating the replacement of different chromatographic columns, the heating power is high, the energy consumption is high, the replacement of the chromatographic columns is not convenient, the intervention of manufacturers or professional technicians is required, and a large amount of manpower and material resources are consumed. Meanwhile, the maintenance cost of the equipment is greatly increased, and great waste is caused; along with the development scale of the power industry becoming larger and larger, the continuously growing sample analysis requirement and the corresponding shortage of chromatographic professionals, the more complex instrument maintenance requirement generates a larger obstruction to the popularization and application of the insulating oil chromatographic analysis technology; the design and the production mode of the modern transformer oil chromatographic analyzer are continuously innovated, different customers have the same requirements on chromatographic sample analysis, the customized production is required, the multiple purposes of one machine are met, and meanwhile, higher requirements are provided for the production, the application and the high efficiency and the convenience of maintenance of the chromatographic analyzer.
Disclosure of Invention
The utility model provides a chromatograph modular box structure, which is provided with a box frame for realizing the assembly and combination of a chromatographic analysis module, an air circuit control module, a circuit control module and a chromatographic column box, and simultaneously optimizes a connecting structure arranged among the chromatographic analysis module, the air circuit control module, the circuit control module and the chromatographic column box, wherein the chromatographic analysis module, the air circuit control module and the box column box module realize the analysis functions of different samples through the organic combination in the modules and the organic combination among different modules, thereby facilitating the customization requirements and function expansion of customers and facilitating the later maintenance, production and assembly of instrument products.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a chromatograph modular box structure comprises a chromatographic analysis module, a gas circuit control module, a chromatographic column box, a display screen and a box frame, wherein the box frame comprises a box body, a box door hinged with the box body and an upper cover detachably connected with the box body;
the frame of first cavity fixes chromatographic analysis module, circuit control module and chromatographic column box, and the frame of first cavity includes anterior frame, rear portion frame and upper end frame, anterior frame articulates the chamber door to be equipped with heating plate and chromatographic column box, the box that the heating plate corresponds is platelike structure, the fixed gas circuit control module of rear portion frame, the chromatographic analysis module is fixed to the upper end frame.
Further, the chromatographic column box includes the chromatographic column of the integrated interface fastening screw hole of chromatographic column, the integrated interface of gas circuit, the integrated interface locating pin of gas circuit, connection gas circuit pipe, chromatographic column adapter, chromatographic column box shell and a plurality of different grade type chromatographic column that chromatographic column box shell is inside hollow square structure, the inside chromatographic column of placing at least of chromatographic column box shell, the chromatographic column is connected to the integrated interface of gas circuit, the other end to chromatographic column, the integrated interface of gas circuit sets up in the outside of chromatographic column box shell to with chromatography module intercommunication, chromatographic column box shell contact with the heating plate of chromatographic column box shell both sides after the chamber door is closed.
Further, the chromatographic analysis module comprises a plurality of sample injection units, a plurality of converters, a plurality of FID detector units and a plurality of TCD detectors, and the chromatographic analysis module is one or a combination of a plurality of sample injection units, converters, FID detector units and TCD detectors;
the chromatographic analysis module also comprises a chromatographic column box connector, a gas path interface, a chromatographic analysis module bottom plate and a connecting plug-in connector;
the sample introduction unit, the converter, the FID detector unit and the TCD detector are communicated with the circuit control module through a connecting plug-in interface;
the sample introduction unit, the conversion furnace, the FID detector unit, the TCD detector, the chromatographic column box connector, the gas circuit interface and the connecting plug-in connector interface are all arranged at the upper end of a chromatographic analysis module bottom plate which is a square plate, the chromatographic analysis module bottom plate is detachably connected with a frame at the upper end of the first cavity body through bolts,
and the upper cover is provided with a circular through hole corresponding to the sample feeding unit.
Further, the gas circuit control module comprises a centralized gas joint, a gas circuit input joint and a gas circuit module electrical control interface, the centralized gas joint is communicated with the chromatographic analysis module, the gas circuit input joint is connected with a gas source, and the centralized gas joint is connected with one or more combinations of a pressure stabilizing valve, a needle valve, a flow stabilizing valve and an EPC unit controlled by an electronic gas circuit;
the pressure stabilizing valve, the needle valve, the flow stabilizing valve and the EPC unit controlled by the electronic gas circuit are connected with the circuit control module through the electrical control interface of the gas circuit module;
the air circuit control module further comprises a shell, the shell is of a long strip-shaped structure with one open side and hollow inside, a plurality of adjusting holes are formed in the upper end face of the shell corresponding to the pressure stabilizing valve, the needle-shaped valve and the flow stabilizing valve, the pressure stabilizing valve, the needle-shaped valve, the flow stabilizing valve and an EPC unit controlled by an electronic air circuit are arranged inside the shell, and the shell and a rear frame of the first cavity are fixed through bolts.
Furthermore, the circuit control module comprises a circuit control module back plate, a chromatographic analysis module interface, a gas circuit control module electrical interface, a main control circuit board, a power filter, a transformer, a switching power supply and a FID current amplifier;
the main control circuit board is in communication connection with the gas path control module and the chromatographic analysis module through the chromatographic analysis module interface and the gas path control module electrical interface;
the main control circuit board regulates and amplifies an FID current signal through an FID current amplifier;
the switching power supply and the transformer are connected with the main control circuit board;
the circuit control module back plate is a square plate body, and the circuit control module back plate is fixedly connected with the frame of the second cavity through bolts.
Furthermore, a filling layer made of a short-cut carbon fiber heat conduction material is filled around the chromatographic column in the chromatographic column box shell, and the filling layer is used for improving the heat conduction efficiency in the chromatographic column box;
be provided with 6 chromatographic column adapters on the chromatographic column box shell, correspond the middle part evenly distributed of the integrated interface of gas circuit has 6 gas circuit via holes, and the gas circuit via hole adopts O type circle and the integrated interface of gas circuit to realize end face seal.
Through the technical scheme, the utility model has the beneficial effects that:
the utility model is provided with the box body, the chromatographic analysis module, the gas circuit control module, the circuit control module and the chromatographic column box are respectively arranged in different intervals by the box body and are integrated into a whole, thereby being convenient for carrying and detection configuration, and the single module can be directly detected without connecting each module again during production debugging operation;
the chromatographic analysis module, the gas circuit module and the box-type column box module realize the analysis functions of different samples through the organic combination inside the modules and the organic combination between different modules, and are convenient for customers to customize requirements and expand functions.
Each module passes through the bolt fastening with the frame of box, and is easy to assemble, carries out the modularization setting to chromatography module, gas circuit control module, chromatographic column box, and its communication connection configuration is simple, and simple to operate is connected to the gas circuit, need not the professional during connection and operates, but quick replacement improves maintenance efficiency after single module goes wrong.
Drawings
Fig. 1 is one of the structural schematic diagrams of a modular box structure of a chromatograph according to the present invention;
fig. 2 is a second structural schematic diagram of a modular box structure of a chromatograph according to the present invention;
fig. 3 is a third structural schematic diagram of a modular box structure of a chromatograph according to the present invention;
fig. 4 is a fourth schematic structural view of a modular box structure of a chromatograph according to the present invention;
fig. 5 is a fifth structural schematic diagram of a modular box structure of a chromatograph according to the present invention;
fig. 6 is a gas flow chart of an embodiment of a modular box structure of a chromatograph according to the present invention.
Reference numerals: the device comprises a box body 1, a chromatographic analysis module 2, a circuit control module 3, a circuit control module 4, a chromatographic column box 5, an upper cover 6, a display screen 7, a box door 8, a connecting mainboard plug-in interface 203, a chromatographic analysis module bottom plate 209, a needle valve 301, a centralized gas connector 302, a pressure stabilizing valve 303, a gas circuit module electrical control interface 304, a gas circuit input connector 305, a shell 306, a circuit control module back plate 401, a chromatographic analysis module interface 402, a gas circuit control module electrical interface 403, a main control circuit board 404, a power supply filter 405, a transformer 406, a switching power supply 407, a FID current amplifier 408, a chromatographic column integrated interface fastening screw hole 501, a gas circuit integrated interface 502, a gas circuit integrated interface positioning pin 503, a connecting gas circuit pipe 504 and a chromatographic column adapter 505; 506 is a chromatographic column box shell, 507 is a packing layer and 508 is a chromatographic column.
Detailed Description
The utility model is further described with reference to the following figures and detailed description:
example 1
As shown in fig. 1 to 5, a chromatograph modular box structure includes a chromatographic analysis module 2, a gas circuit control module 3, a circuit control module 4, a chromatographic column box 5, a display screen 7, and a box frame, where the box frame includes a box body 1, a box door 8 hinged to the box body 1, and an upper cover 6 detachably connected to the box body 1, the box body 1 is a square frame structure formed by sheet metal side plates and hollow inside, the upper cover 6 is a square plate body formed by injection molding, the box body 1 includes a first cavity and a second cavity, the volume of the first cavity is greater than that of the second cavity, and the circuit control module 4 is fixed to the frame of the second cavity;
the frame of first cavity fixes chromatography module 2, circuit control module 3 and chromatographic column box 5, and the frame of first cavity includes anterior frame, rear portion frame and upper end frame, anterior frame articulates chamber door 8 to be equipped with heating plate and chromatographic column box 5, the heating plate corresponds box 1 and is platelike structure, rear portion frame fixes gas circuit control module 3, chromatographic analysis module 2 is fixed to the upper end frame.
Example 2
The column cartridge 5 is optimized in this embodiment, as shown in fig. 3;
Further, a packing layer 507 made of a chopped carbon fiber heat conduction material is filled around the chromatographic column 508 in the chromatographic column box shell 506, and the packing layer 507 is used for improving the heat conduction efficiency in the chromatographic column box 5;
be provided with 6 chromatographic column adapter 505 on chromatographic column box shell 506, correspond 6 gas circuit via holes have been evenly distributed in the middle part of the integrated interface 502 of gas circuit, and the gas circuit via hole adopts O type circle and the integrated interface 502 of gas circuit to realize end face seal.
In this embodiment, the column box 5 may be adapted with one or more different types of columns 508 according to the analysis requirements, so as to meet the requirements of various analysis functions.
Example 3
The chromatographic analysis module 2 is optimized and explained based on the embodiments 1 and 2, as shown in fig. 2;
the chromatographic analysis module 2 comprises a plurality of sample injection units, a plurality of converters, a plurality of FID detector units and a plurality of TCD detectors, and the chromatographic analysis module 2 is one or a combination of a plurality of sample injection units, converters, FID detector units and TCD detectors;
the chromatographic analysis module 2 further comprises a chromatographic column box connector, a gas path interface, a chromatographic analysis module bottom plate 209 and a connecting plug-in connector 203;
the sample introduction unit, the converter, the FID detector unit and the TCD detector are communicated with the circuit control module 4 through a connecting plug-in interface 203;
the sample introduction unit, the conversion furnace, the FID detector unit, the TCD detector, the chromatographic column box connector, the gas path interface and the connecting plug-in connector 203 are all arranged at the upper end of a chromatographic analysis module bottom plate 209, the chromatographic analysis module bottom plate 209 is a square plate, the chromatographic analysis module bottom plate 209 is detachably connected with a first cavity upper end frame through bolts,
corresponding to the sample injection unit, the upper cover 6 is provided with a circular through hole.
In this embodiment, the sample introduction unit, the conversion furnace, the FID detector unit, and the TCD detection unit can be organically combined according to the analysis requirements, so as to satisfy the analysis requirements of different customers for different samples.
In this embodiment, the connection port of the chromatographic column box is communicated with the gas path integration interface 502 in the box body 1; the chromatographic analysis module bottom plate 209 is a square plate made of aluminum;
the front of the chromatographic analysis module 2 is reserved with a chromatographic column box connector connected with the chromatographic column box 5, the chromatographic column box connector is connected with the gas path integrated interface 502, and the rear of the chromatographic analysis module 2 is reserved with a gas path interface connected with the gas path control module 3 to realize quick connection with the gas path control module 3 (as shown in fig. 3, holes between the connectors are opposite, and quick connection is realized through a bolt fixing connector).
Example 4
The gas path control module 3 is optimized and explained based on embodiments 1 to 3, as shown in fig. 4
The gas circuit control module 3 comprises a centralized gas connector 302, a gas circuit input connector 305 and a gas circuit module electrical control interface 304, the centralized gas connector 302 is communicated with the chromatographic analysis module 2, the gas circuit input connector 305 is connected with a gas source, and the centralized gas connector 302 is connected with one or more combinations of a pressure stabilizing valve, a needle valve, a flow stabilizing valve and an EPC unit controlled by an electronic gas circuit;
the pressure stabilizing valve, the needle valve, the flow stabilizing valve and the EPC unit controlled by the electronic gas circuit are connected with the circuit control module 4 through the gas circuit module electric control interface 304;
the air path control module 3 further comprises a shell 306, the shell 306 is a strip-shaped structure with an opening on one side and a hollow interior, a plurality of adjusting holes are formed in the upper end face of the shell 306 corresponding to the pressure stabilizing valve, the needle valve and the flow stabilizing valve, an EPC unit controlled by the pressure stabilizing valve, the needle valve, the flow stabilizing valve and the electronic air path is arranged in the shell 306, and the shell 306 is fixed with the rear frame of the first cavity through bolts.
In combination with the above embodiments, in order to realize intelligent detection, the circuit control module 4 is optimized, as shown in fig. 5;
the circuit control module 4 comprises a circuit control module back plate 401, a chromatographic analysis module interface 402, a gas circuit control module electrical interface 403, a main control circuit board 404, a power filter 405, a transformer 406, a switching power supply 407 and an FID current amplifier 408;
the main control circuit board 404 is in communication connection with the gas path control module 3 and the chromatographic analysis module 2 through the chromatographic analysis module interface 402 and the gas path control module electrical interface 403;
the main control circuit board 404 conditions and amplifies the FID current signal through the FID current amplifier 408;
the switching power supply 407 and the transformer 406 are connected with the main control circuit board 404;
the circuit control module back plate 401 is a square plate body, and the circuit control module back plate 401 is fixedly connected with the frame of the second cavity through bolts.
In this embodiment, the chromatography module interface 402 and the gas circuit control module electrical interface 403 are one of SPI bus, 485 bus and CAN bus.
Example 6
In connection with the above-mentioned embodiments, in order to achieve a continuous and reliable analysis of the insulating oil, as shown in fig. 6:
a three-way electromagnetic valve C is additionally arranged between the inlet unit A and a chromatographic column B for separating hydrocarbon;
the carrier gas E is connected with the chromatographic column B and the chromatographic column F through a tee joint;
after the low molecular hydrocarbon substance flows out of the chromatographic column, the chromatographic column is switched to a carrier gas D channel through a three-way valve electromagnetic valve C, and the high molecular hydrocarbon component is swept by the large-flow carrier gas of the carrier gas D, so that the rapid outflow of the high molecular hydrocarbon component can be accelerated, and the problems of prolonged analysis time and continuous needle insertion interference caused by the existence of the high molecular hydrocarbon component are solved.
The modules of the utility model are easy to disassemble, and each module can independently complete the test. All modules and the box body 1 are connected through bolts, all modules are connected through standard electrical interfaces or gas circuit interfaces, detection requirements are met, and assembly of equipment and maintenance and replacement of the modules can be completed through simple operation by production personnel and users.
Chromatographic analysis module and gas circuit module and box-type column case module realize the analysis function of different samples through the inside organic combination of module and the organic combination between the different modules, make things convenient for customer's customization demand and function extension.
The above-described embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the utility model, so that equivalent changes or modifications in the structure, features and principles described in the present invention should be included in the claims of the present invention.
Claims (6)
1. A chromatograph modularization box structure comprises a chromatographic analysis module (2), a gas circuit control module (3), a circuit control module (4), a chromatographic column box (5) and a display screen (7), and is characterized by further comprising a box frame, wherein the box frame comprises a box body (1), a box door (8) hinged with the box body (1) and an upper cover (6) detachably connected with the box body (1), the box body (1) is a square frame structure which is hollow inside and is formed by sheet metal part side plates, the upper cover (6) is an injection-molded square plate body, the box body (1) comprises a first cavity and a second cavity, the volume of the first cavity is larger than that of the second cavity, and the circuit control module (4) is fixed on the frame of the second cavity;
the frame of first cavity fixes chromatographic analysis module (2), circuit control module (4) and chromatographic column box (5), and the frame of first cavity includes anterior frame, rear portion frame and upper end frame, anterior frame articulates chamber door (8) to be equipped with heating plate and chromatographic column box (5), the heating plate corresponds box (1) and is platelike structure, rear portion frame fixed gas circuit control module (3), chromatographic analysis module (2) is fixed to the upper end frame.
2. A modular cabinet structure for chromatograph according to claim 1, the chromatographic column box (5) comprises a chromatographic column integrated interface fastening screw hole (501), a gas path integrated interface (502), a gas path integrated interface positioning pin (503), a connecting gas path pipe (504), a chromatographic column adapter (505), a chromatographic column box shell (506) and a plurality of chromatographic columns (508) of different types, the chromatographic column box shell (506) is of a square structure with a hollow interior, at least one chromatographic column (508) is arranged in the chromatographic column box shell (506), one end of the chromatographic column adapter (505) is connected with the gas path integrated interface (502), the other end is connected with the chromatographic column (508), the gas circuit integrated interface (502) is arranged outside the chromatographic column box shell (506), and is communicated with the chromatographic analysis module (2), and the chromatographic column box shell (506) is contacted with the heating sheets at the two sides of the chromatographic column box shell (506) after the box door (8) is closed.
3. A chromatograph modular box structure according to claim 1, characterized in that said chromatographic module (2) comprises a plurality of sample injection units, a plurality of converters, a plurality of FID detector units and a plurality of TCD detectors, the chromatographic module (2) being one or more combinations of sample injection units, converters, FID detector units and TCD detectors;
the chromatographic analysis module (2) also comprises a chromatographic column box connecting port, a gas path interface, a chromatographic analysis module bottom plate (209) and a connecting plug-in interface (203);
the sample introduction unit, the converter, the FID detector unit and the TCD detector are communicated with the circuit control module (4) through a connecting plug-in interface (203);
the sample introduction unit, the conversion furnace, the FID detector unit, the TCD detector, the chromatographic column box connector, the gas circuit interface and the connecting plug-in connector interface (203) are all arranged at the upper end of a chromatographic analysis module bottom plate (209), the chromatographic analysis module bottom plate (209) is a square plate, the chromatographic analysis module bottom plate (209) is detachably connected with a frame at the upper end of the first cavity body through bolts,
the upper cover (6) is provided with a circular through hole corresponding to the sample injection unit.
4. The modular box structure of chromatograph according to claim 1, characterized in that said gas circuit control module (3) comprises a centralized gas connector (302), a gas circuit input connector (305), and a gas circuit module electrical control interface (304), said centralized gas connector (302) is communicated with said chromatograph module (2), said gas circuit input connector (305) is connected with a gas source, said centralized gas connector (302) is connected with one or more combinations of a pressure-stabilizing valve, a needle valve, a flow-stabilizing valve, and an electronic gas circuit controlled EPC unit;
the pressure stabilizing valve, the needle valve, the flow stabilizing valve and the EPC unit controlled by the electronic gas circuit are connected with the circuit control module (4) through the gas circuit module electric control interface (304);
the gas circuit control module (3) further comprises a shell (306), the shell (306) is of a strip-shaped structure with one side open and the inside hollow, a plurality of adjusting holes are formed in the upper end face of the shell (306) corresponding to the pressure stabilizing valve, the needle valve and the flow stabilizing valve, an EPC unit controlled by the pressure stabilizing valve, the needle valve, the flow stabilizing valve and the electronic gas circuit is arranged inside the shell (306), and the shell (306) is fixed with the rear frame of the first cavity through bolts.
5. A chromatograph modular box structure according to claim 1, wherein said circuit control module (4) comprises a circuit control module backplane (401), a chromatograph module interface (402), a gas circuit control module electrical interface (403), a main control circuit board (404), a power filter (405), a transformer (406), a switching power supply (407), and a FID current amplifier (408);
the main control circuit board (404) is in communication connection with the gas circuit control module (3) and the chromatographic analysis module (2) through the chromatographic analysis module interface (402) and the gas circuit control module electrical interface (403);
the main control circuit board (404) is used for conditioning and amplifying an FID current signal through an FID current amplifier (408);
the switching power supply (407) and the transformer (406) are connected with the main control circuit board (404);
the circuit control module back plate (401) is a square plate body, and the circuit control module back plate (401) is fixedly connected with the frame of the second cavity through bolts.
6. A chromatograph modular box structure according to claim 2, characterized in that said column box housing (506) is filled with a packing layer (507) made of chopped carbon fiber heat conductive material around said column (508), said packing layer (507) being used to increase the heat conduction efficiency inside said column box (5);
be provided with 6 chromatographic column adapter (505) on chromatographic column box shell (506), correspond the middle part evenly distributed of the integrated interface of gas circuit (502) 6 gas circuit via holes, gas circuit via hole adopt O type circle and the integrated interface of gas circuit (502) to realize end face seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122765783.0U CN216696188U (en) | 2021-11-12 | 2021-11-12 | Chromatograph modularization box structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122765783.0U CN216696188U (en) | 2021-11-12 | 2021-11-12 | Chromatograph modularization box structure |
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| Publication Number | Publication Date |
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| CN216696188U true CN216696188U (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122765783.0U Active CN216696188U (en) | 2021-11-12 | 2021-11-12 | Chromatograph modularization box structure |
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| CN (1) | CN216696188U (en) |
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2021
- 2021-11-12 CN CN202122765783.0U patent/CN216696188U/en active Active
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