A portable chromatography box

Abstract

The present invention relates to a portable chromatography box. The portable chromatography box comprises: a rotating device and an isolating device; the rotating device comprises a rotating panel and a rotating shaft; one end of the rotating shaft is fixed to the interior of the portable chromatography box; the other end of the rotating shaft is arranged inside the rotating panel, and the rotating panel rotates along the rotating shaft; the isolating device is arranged on the rotating panel; the isolating device comprises a strong current circuit, a weak current circuit and a shielding layer; the shielding layer is arranged between the strong current circuit and the weak current circuit, and the shielding layer is used to isolate the strong current circuit from the weak current circuit. The portable chromatography box provided by the present invention can facilitate installation and maintenance by maintenance personnel, eliminate interference of strong current on weak current, reduce instrument noise, and improve sensitivity.

Description

Technical Field

[0001] The invention relates to the field of portable chromatograph circuit installation, in particular to a portable chromatograph box. Background Art

[0002] In recent years, with the advancement of science and technology, the size of chromatographs has been made smaller and smaller while ensuring performance, resulting in a large number of manufacturers producing portable chromatographs. Portable chromatographs are usually installed in portable chromatograph boxes. However, in these established manufacturers, due to the limitations of portable chromatograph boxes, the installation of portable chromatograph circuits inside them is extremely irregular, and even interference is caused between circuit signals, resulting in high instrument noise and low sensitivity. At the same time, during installation and maintenance, the chromatograph needs to be disassembled and the circuit board of the chromatograph needs to be removed for maintenance, making installation and maintenance extremely difficult. Summary of the invention

[0003] The purpose of the present invention is to provide a portable chromatograph to solve the problems of chaotic circuit installation, interference between circuit signals, high instrument noise, low sensitivity, and extremely difficult installation and maintenance in existing portable chromatographs.

[0004] To achieve the above object, the present invention provides the following solutions:

[0005] A portable chromatography box, comprising: a rotating device and an isolating device;

[0006] The rotating device comprises a rotating panel and a rotating shaft; one end of the rotating shaft is fixed inside the portable chromatography box; the other end of the rotating shaft is arranged inside the rotating panel, and the rotating panel rotates along the rotating shaft;

[0007] The isolation device is arranged on the rotating panel; the isolation device comprises a strong current circuit, a weak current circuit and a shielding layer;

[0008] The shielding layer is arranged between the high-voltage circuit and the low-voltage circuit, and is used to isolate the high-voltage circuit from the low-voltage circuit.

[0009] Optionally, the high-voltage circuit specifically includes: a high-voltage board power board and a high-voltage board temperature control board; the high-voltage board power board is connected to the high-voltage board temperature control board; a shielding column is provided between the high-voltage board power board and the high-voltage board temperature control board.

[0010] Optionally, the weak current circuit specifically includes: a weak current board mainboard and a weak current board thermal conductivity amplifier board; the weak current board mainboard and the weak current board amplifier board are connected; a shielding column is provided between the weak current board mainboard and the weak current board amplifier board.

[0011] Optionally, the shielding column is a polytetrafluoroethylene column.

[0012] Optionally, the thickness of the polytetrafluoroethylene column is 10 mm.

[0013] Optionally, it also includes: a vertical column;

[0014] The vertical column is fixed inside the portable chromatography box;

[0015] The vertical columns include two, the shielding layer is arranged between the two vertical columns, and the shielding layer is supported by the vertical columns.

[0016] Optionally, the rotation range of the rotating panel is 0 to 90°.

[0017] Optionally, the rotation axis specifically includes: a first rotation axis and a second rotation axis;

[0018] The first rotation axis and the second rotation axis are symmetrically arranged on two sides of the rotation panel.

[0019] Optionally, the high-voltage circuit further includes: a data storage board and a signal collection board;

[0020] The data storage board and the signal collection board are respectively connected to the strong current board power board; the data storage board is also connected to the signal collection board.

[0021] According to the specific embodiments provided by the present invention, the present invention discloses the following technical effects: the present invention provides a portable chromatograph, by arranging an isolation device on a rotating panel of a rotating device; the circuit in the isolation device to be inspected is directly presented to the maintenance personnel through the rotating panel, thereby facilitating the installation and maintenance of the maintenance personnel; at the same time, the present invention arranges a shielding layer between the high-voltage circuit and the low-voltage circuit to eliminate the interference of high-voltage on low-voltage, reduce instrument noise, and improve sensitivity. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0023] Figure 1 A front view of a circuit installation method of a portable chromatograph provided by the present invention;

[0024] Figure 2 A top view of a circuit board installation method of a portable chromatograph provided by the present invention;

[0025] Figure 3A side view of a circuit board installation method for a portable chromatograph provided by the present invention.

[0026] Explanation of symbols:

[0027] 1-power board of high-voltage board; 2-temperature control board of high-voltage board; 3-main board of low-voltage board; 4-thermal conductivity amplifier board of low-voltage board; 5-first vertical column; 6-second vertical column; 7-first rotation axis; 8-second rotation axis; 9-rotation panel. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] The purpose of the present invention is to provide a portable chromatographic box, which can facilitate installation and maintenance by maintenance personnel, eliminate the interference of strong electricity on weak electricity, reduce instrument noise and improve sensitivity.

[0030] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0031] like Figure 1-Figure 3 As shown, a portable chromatography box comprises: a rotating device and an isolating device; the rotating device comprises a rotating panel 9 and a rotating shaft; one end of the rotating shaft is fixed to the interior of the portable chromatography box; the other end of the rotating shaft is arranged inside the rotating panel 9, and the rotating panel 9 rotates along the rotating shaft; the isolating device is arranged on the rotating panel 9, and the isolating device comprises a high-current circuit, a low-current circuit and a shielding layer; the shielding layer is arranged between the high-current circuit and the low-current circuit, and the shielding layer is used to isolate the high-current circuit from the low-current circuit.

[0032] In practical applications, the high-voltage circuit specifically includes: a high-voltage board power supply board 1 and a high-voltage board temperature control board 2; the high-voltage board power supply board 1 is connected to the high-voltage board temperature control board 2; a shielding column is provided between the high-voltage board power supply board 1 and the high-voltage board temperature control board 2.

[0033] In practical applications, the weak current circuit specifically includes: a weak current board mainboard 3 and a weak current board thermal conductivity amplifier board 4; the weak current board mainboard 3 and the weak current board amplifier board 4 are connected; a shielding column is provided between the weak current board mainboard 3 and the weak current board amplifier board 4.

[0034] In practical applications, the shielding column is a polytetrafluoroethylene column.

[0035] In practical applications, the thickness of the polytetrafluoroethylene column is 10 mm.

[0036] In practical applications, it also includes: a vertical column; the vertical column is fixed inside the portable chromatography box; the vertical column includes two, the shielding layer is arranged between the two vertical columns, and the shielding layer is supported by the vertical columns.

[0037] In practical applications, the rotation range of the rotating panel 9 is 0 to 90°.

[0038] In practical applications, the rotation axis specifically includes: a first rotation axis 7 and a second rotation axis 8 ; the first rotation axis 7 and the second rotation axis 8 are symmetrically arranged on both sides of the rotation panel 9 .

[0039] In practical applications, the high-voltage circuit also includes: a data storage board and a signal collection board; the data storage board and the signal collection board are respectively connected to the high-voltage board power board 1; the data storage board is also connected to the signal collection board.

[0040] When in use, the panel is placed upside down in a portable chromatography box, with one end of the rotating shaft fixed in the chromatography box; when undergoing maintenance, it is rotated 90 degrees, at which point the circuit can be displayed frontally in front of the experimenter for easy maintenance.

[0041] A shielding layer is added between the first vertical column 5 and the second vertical column 6. The high-voltage circuit includes a high-voltage board power supply board 1 and a high-voltage board temperature control board 2, which are installed on one side of the shielding layer, and a low-voltage board main board 3 and a low-voltage board thermal conductivity amplifier board 4 are installed on the other side of the shielding layer. The low-voltage circuit and the high-voltage circuit are isolated and shielded, thereby eliminating the interference of high voltage on low voltage.

[0042] During installation, the fixed panel 9 is fixed inside the portable trolley case via the first rotating shaft 7 and the second rotating shaft 8, and a shielding layer is added between the first vertical column 5 and the second 6. One side of the shielding layer is provided with a power control board and a strong current board temperature control board 2 in sequence, and the other side of the shielding layer is provided with a weak current board main board 3 and a weak current board thermal conductivity amplifier board 4 in sequence, and then the output circuit and each control board are connected using connecting wires; each circuit board is separated by a 10mm polytetrafluoro column.

[0043] When the instrument is in use, the mounting plate 9 is inverted inside the instrument, and the circuit system in the isolation device is inside the chromatograph; when it is being repaired, the right-angle mounting plate 9 is rotated to 90 degrees, and the circuit system is now displayed in front of the repairman, thereby improving the repair efficiency.

[0044] The present invention provides a portable chromatography box, which can isolate the mutual interference of strong and weak electricity, and the signals do not interfere with each other. It is a new installation method for circuit optimization and installation, and the instrument circuit is simple and clear, and each component is a separate individual, which is convenient for engineers to install and repair.

[0045] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0046] The principles and implementation methods of the present invention are described in this article using specific examples. The description of the above embodiments is only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A portable chromatography box, characterized in that: include: Rotating devices and isolating devices; The rotating device comprises a rotating panel and a rotating shaft; one end of the rotating shaft is fixed inside the portable chromatography box; the other end of the rotating shaft is arranged inside the rotating panel, and the rotating panel rotates along the rotating shaft; The isolation device is arranged on the rotating panel; the isolation device comprises a strong current circuit, a weak current circuit and a shielding layer; The strong current circuit specifically includes: a strong current board power board and a strong current board temperature control board; the strong current board power board is connected to the strong current board temperature control board; a shielding column is provided between the strong current board power board and the strong current board temperature control board; The weak current circuit specifically comprises: a weak current board mainboard and a weak current board thermal conductivity amplifier board; the weak current board mainboard and the weak current board thermal conductivity amplifier board are connected; a shielding column is provided between the weak current board mainboard and the weak current board thermal conductivity amplifier board; The shielding layer is arranged between the high-voltage circuit and the low-voltage circuit, and is used to isolate the high-voltage circuit from the low-voltage circuit.

2. The portable chromatography box according to claim 1, characterized in that: The shielding column is a polytetrafluoroethylene column.

3. The portable chromatography box according to claim 2, characterized in that: The thickness of the polytetrafluoroethylene column is 10 mm.

4. The portable chromatography box according to claim 1, characterized in that: Also includes: vertical column; The vertical column is fixed inside the portable chromatography box; The vertical columns include two, the shielding layer is arranged between the two vertical columns, and the shielding layer is supported by the vertical columns.

5. The portable chromatography box according to claim 1, characterized in that: The rotation range of the rotating panel is 0 to 90 degrees.

6. The portable chromatography box according to claim 1, characterized in that: The rotating axis specifically includes: a first rotating axis and a second rotating axis; The first rotation axis and the second rotation axis are symmetrically arranged on two sides of the rotation panel.

7. The portable chromatography box according to claim 1, characterized in that: The high-voltage circuit also includes: a data storage board and a signal collection board; The data storage board and the signal collection board are respectively connected to the strong current board power board; the data storage board is also connected to the signal collection board.

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