JP2001242149A - Liquid chromatograph - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance handle ability for a liquid chromatograph by achieving effective utilization of a reservoir tray 11. SOLUTION: A drawer-structured housing part 23 is arranged below a reservoir tray 11, thereby enabling housing of necessary tool replacement parts or the like.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid chromatograph, and more particularly, to a system controller,
Various detectors, column ovens, autosamplers, liquid pumps, deaerators, sample coolers, fraction collectors, reservoir trays, etc. are supplied as independent units, and these units can be arbitrarily selected according to the analysis target and purpose. The present invention relates to a system type liquid chromatograph device configured to be used in combination with a system, or an integrated liquid chromatograph device having a configuration in which some of these units are arranged in one device.

[0002]

2. Description of the Related Art FIG. 1 shows a schematic configuration of a liquid chromatograph, which is a kind of analytical instrument. The mobile phase contained in the mobile phase container 23 is pumped up by the liquid sending pump 25,
It is sent to the separation column 27 at a predetermined flow rate. Liquid pump 25
A drain valve 2 that switches the flow path from the liquid feed pump 25 and connects to the drain in the flow path between the
9. A pressure sensor 31 for measuring the pressure of the mobile phase discharged from the liquid feed pump, and an auto injector 33 for introducing a sample to be analyzed are provided. The analysis column 27 is housed in a column oven 37 for maintaining a constant temperature. A detector 39 is connected in a flow path at the subsequent stage of the separation column 27, and the sample and the mobile phase that have passed through the detector are discharged from the drain at the subsequent stage. A system controller 41 that controls the entire apparatus when performing analysis is provided, and a data processing apparatus 43 that receives signals from the detector and performs data processing is connected. The above is the basic configuration of a liquid chromatograph, but because the analysis target and purpose are various, multiple pumps and detectors are installed according to the analysis application, and deaerators, fraction collectors, and sample coolers are installed. And various variations of the system configuration are conceivable. Therefore, it is necessary to configure the system so that an optimal analysis can be performed according to each analysis purpose, and the apparatus is configured so that each unit is unitized so that the optimal system configuration can be easily achieved. . That is, the reservoir tray accommodating the mobile phase container 23 is configured as an independent unit,
5. The drain valve 29 and the pressure sensor 31 are configured as independent liquid feed pump units, and the auto injector 33, the column oven 37 containing the separation column 27, the detector 39, the system controller 41, and the like are each independent units. The data processing device is also configured as another independent unit (generally configured as a separate personal computer). Each unit excluding the data processing device is housed in a cosmetic case having a uniform width, so that a system can be constructed by combining necessary units according to the analysis target and application. In recent years, products in which some of the above units are arranged in a single device in a predetermined configuration to improve the management and ease of use of the device have been marketed. The reservoir tray can also be used as an independent unit for such an integrated liquid chromatograph. FIG. 2 is an external configuration diagram of a system type liquid chromatograph apparatus. In the figure, reference numeral 11 denotes several mobile phase containers 2
3 is a reservoir tray capable of storing
Is a system controller, 13 is a detector, 14 is a column oven, 15 is a deaerator for removing air dissolved in the mobile phase, 16 and 17 are liquid feed pumps, 18 is an autosampler, and Since it is housed in a cosmetic case with uniform width and unitized,
The whole unit can be assembled compactly by stacking it on the makeup case of another unit.

In a liquid chromatograph, a mobile phase is used for sending a sample to a column, separating components, and sending the separated components to a detector. Therefore, a reservoir tray for storing a container storing a mobile phase is always used. The reservoir tray has a box shape without a lid for storing several mobile phase containers (usually bottles), and is usually made of stainless steel or resin.

[0004]

Conventionally, a reservoir tray has been used merely for mounting a mobile phase container. Although the reservoir tray itself is simply a box-shaped case, it is necessary to unify the dimensions in terms of design with other units, and despite the purpose of merely mounting the mobile phase container, a relatively large box It had to be shaped. Therefore, it was used with poor functionality for its size and price.

Accordingly, an object of the present invention is to make effective use of a reservoir tray to further improve the usability as a liquid chromatograph.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a liquid chromatograph apparatus of the present invention is a system type liquid chromatograph apparatus having a reservoir tray for accommodating a mobile phase container. Is characterized in that a drawer-structure storage section is additionally provided. In the liquid chromatograph apparatus of the present invention, a storage portion having a drawer structure is provided in the reservoir tray so that necessary tools, manuals, and replacement parts can be stored therein. Therefore, when a tool or the like is needed, it can be taken out immediately on the spot, which is convenient and leads to a reduction in search time.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to embodiments. FIG. 3 is a view showing an external configuration of a liquid chromatograph apparatus according to one embodiment of the present invention, and FIG. 4 is a view showing a configuration of a reservoir tray which is a main part of the present invention.
Note that the same components as those in FIG. 2 which are conventional examples are denoted by the same reference numerals, and description thereof will be omitted. The reservoir tray 11 is usually provided at the uppermost stage of a system constituting a liquid chromatograph device, and has a box shape without a lid so as to accommodate a mobile phase container. The box has an inner bottom in the center, and a drawer-structured storage section 19 is provided below the inner bottom. That is, the mobile phase container functions as a conventional reservoir tray by being placed on the middle bottom, and also functions as a storage portion for tools, replacement parts, etc. in the lower half. . By doing so, the mobile phase container will be stored shallower in the reservoir container than in the past, but originally the reservoir tray will be used to store the mobile phase container and the mobile phase will not spill and contaminate the device No problem arises even if it is stored shallowly.

By partitioning the inside of the drawer of the storage unit 19, piping, tools, spare parts, CDROM,
Instruction manuals, etc. can be sorted and stored. In this, what is necessary for the liquid chromatograph can be managed collectively.

FIG. 5 is a diagram showing the external appearance when the reservoir tray of the present invention is installed in an integrated liquid chromatograph. In this case as well, a storage section is provided in the reservoir tray attached to the uppermost stage of the integrated liquid chromatograph, and tools and the like can be stored in the storage section.

[0010]

As described above, in the liquid chromatograph apparatus of the present invention, since the storage portion of the drawer structure capable of storing tools, parts and the like is provided in the reservoir tray, these can be collectively managed. This makes it unnecessary to separately provide a storage place or storage device. In addition, since the tool and the instruction manual can be taken out twice as much, no time is lost. In addition, since the storage portion 19 has a drawer structure, if necessary, the drawer can be pulled out and the tools and the like can be rearranged and ordered, which facilitates use.

[Brief description of the drawings]

FIG. 1 is a general schematic configuration diagram of a liquid chromatograph device.

FIG. 2 is an external configuration diagram of a conventional system type liquid chromatograph apparatus.

FIG. 3 is an external configuration diagram of a system type liquid chromatograph apparatus according to one embodiment of the present invention.

FIG. 4 is an external configuration diagram of an embodiment of a reservoir tray used in the present invention.

FIG. 5 is an external configuration diagram of another embodiment of a reservoir tray used in the present invention.

[Explanation of symbols]

 11: Reservoir tray 19: Storage unit 23: Mobile phase container

Claims (1)

[Claims] 1. A liquid chromatograph device having a reservoir tray for storing a mobile phase container, wherein the reservoir tray is provided with a storage portion having a drawer structure.