JP4024646B2 - Analyzer - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an analyzer having a housing for storing equipment and members required for analysis, and a door for closing an opening of the housing, and more specifically, an analysis characterized by the installation location of a reagent container Regarding the total.
[0002]
[Prior art]
Conventionally, as an analyzer, as shown in FIG. 8, a housing 102 and a door 106 that closes the front opening 104 of the housing are provided, and various analytical instruments and analysis members 108 are provided inside the housing. For example, there are pumps, heaters, reaction vessels, measurement cells, operation panels and the like. In such an analyzer having a housing and a door, when a reagent is used for analysis, the reagent container 110 is often placed in the lower part of the housing (see, for example, Patent Document 1).
[0003]
[Patent Document 1]
Japanese Patent Laid-Open No. 6-201587
[Problems to be solved by the invention]
In an analyzer using a reagent, it is desirable to place the reagent container in a place where it is easy to operate or where the remaining amount of reagent is easy to check. However, in an analyzer equipped with a housing for storing analytical equipment and analytical members, the reagent container is not always operated in order to give top priority to where the analytical equipment and analytical materials are placed in the housing. It was not installed in an easy place or a place where it was easy to check the remaining amount of reagent. As a result, the reagent container is often placed in the lower part of the housing as described above. In this case, it can be said that the reagent container is installed in a place where it is easy to operate or where the remaining amount of reagent is easy to check. There wasn't.
[0005]
The present invention has been made in view of the above-described circumstances. In an analyzer including a housing and a door that closes the opening of the housing, the reagent container can be easily operated and the remaining amount of the reagent can be confirmed. The purpose is to provide an analyzer installed in an easily accessible place.
[0006]
[Means for Solving the Problems]
The present invention, in order to achieve the above object, a housing, the Bei example a door for closing the opening of the housing, the reagent container installation location provided inside the door, the reagent container reagent container installation location In this analyzer, the reagent container installation location has a vertical back surface and a horizontal bottom surface, and a plurality of vertical front plates are connected to the front end portion of the bottom surface with a predetermined distance therebetween. Yes, when the reagent container is placed between the back plate and the front plate and placed on the bottom plate, the reagent container can be seen from between a pair of adjacent front plates to the lower end. An analyzer is provided.
[0007]
The analyzer of the present invention has a reagent container installation place inside the door, and the reagent container is installed here, so that the reagent container can be easily operated by opening the door, or the reagent remaining in the reagent container can be opened by opening the door. The amount can be easily confirmed.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Next, embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 shows an example of an analyzer according to the present invention, and is a simplified front view with a door opened. The analyzer of this example includes a housing 12 and a door 16 that closes the front opening 14 of the housing 12 (in this example, it is a single opening, but it may be a double opening). The door 16 is divided into an upper door 16A and a lower door 16B that open and close separately, and the interior of the housing 12 is closed by the upper space portion 12A closed by the upper door 16A and the lower door 16B. The lower space portion 12B is divided.
[0009]
In the upper space portion 12A of the housing 12, various analytical instruments and analytical members 18, such as pipes, pumps, reagent measuring units, sample measuring instruments, thermal decomposers, reaction vessels, measuring cells, detectors, printers, An operation unit and the like are installed, and a pure water tank 40 and a waste liquid tank 42 are installed in the lower space 12B of the housing 12. Further, a reagent container installation place 30 is provided inside the upper door 16A, and a plurality of reagent containers 32 are installed in the reagent container installation place 30. Further, a reagent container installation place 34 is also provided inside the lower door 16B, and one large reagent container 36 is installed in the reagent container installation place 34.
[0010]
Specifically, the reagent container installation place 30 inside the upper door 16A has a structure shown in FIGS. 2 is a front view of the inside of the upper door 16A, FIG. 3 is a side view of the upper door 16A, FIG. 4 is an end view of FIG. 2N-N, and FIG. 5 shows a state in which the reagent container 32 is accommodated in the reagent container installation location 30. It is the simplified top view. Reagent container installation locations 30 are provided at two locations, upper and lower, inside the upper door 16A. In these reagent container installation locations 30, a plurality of vertical, substantially rectangular front plates 48 are arranged at a predetermined interval at the front end of a bottom plate 46 having a substantially L-shaped cross section comprising a vertical back plate 44 and a horizontal bottom plate 46. It is a pocket type that is connected to be spaced apart, is integrally formed of synthetic resin, and the back plate 44 side is attached to the inner side of the upper door 16A. The back plate may be omitted and the inner surface of the upper door 16A may be the back surface.
[0011]
The pocket-shaped reagent container installation location 30 of this example is particularly suitable when a cylindrical reagent container is installed. As shown in FIG. 5, a cylindrical reagent container 32 is adjacent to a part of its peripheral wall. By arranging the reagent container 32 on the bottom plate 46 so as to protrude forward from between the pair of matching front plates 48, the plurality of reagent containers 32 are formed. It keeps stable. In this case, in the reagent container installation location 30 of this example, the intervals between the plurality of front plates 48 are set so that the peripheral walls of the adjacent reagent containers 32 are in contact with each other, thereby making the plurality of reagent containers 32 more stable. Can be held in.
[0012]
Although not shown, the reagent container installation location 34 inside the lower door 16B has a pocket shape in which a vertical back plate, a horizontal bottom plate, and a vertical front plate 50 are integrally connected, and is integrated with a synthetic resin. The back plate side is molded and attached to the inner side of the lower door 16B. The reagent container installation location 34 is different from the reagent container installation location 30 inside the upper door 16A described above, and the vertical front plate 50 is a single sheet having the same width as the back plate and the bottom plate.
[0013]
In the analyzer of this example, as shown in FIG. 1, a plurality of reagent pipes (pipes through which the reagent flows) 54 attached to the lid 52 of each reagent container 32 installed at the reagent container installation location 30. A plurality of bundles are bundled by a bundling tool (not shown), and as shown in FIG. 6, the bundled reagent pipe 56 is passed through a position close to the connecting hinge portion 58 between the housing 12 and the door 16. It is drawn into the housing 12.
[0014]
The analyzer of this example has the following effects.
(1) Reagent container installation locations 30 and 34 are provided inside the door 16 and the reagent containers 32 and 36 are installed therein. Therefore, the door can be opened to easily operate the reagent container, or the door can be opened to open the inside of the reagent container. It is possible to easily check the remaining amount of the reagent.
[0015]
(2) The reagent container installation location 30 has a vertical back surface 44 and a horizontal bottom surface 46, and a plurality of vertical front plates 48 are connected to the front end portion of the bottom surface with a predetermined distance therebetween, When the reagent container 32 is disposed between the back plate and the front plate and placed on the bottom plate, the reagent container can be viewed from the pair of adjacent front plates 60 (see FIG. 2) to the lower end. Therefore, if the reagent container is made transparent or translucent, the remaining amount of the reagent solution in the reagent container can be easily confirmed simply by opening the upper door 16A and looking at the reagent container.
[0016]
(3) The reagent container installation location 30 is arranged between the back surface 44 and the front plate so that the cylindrical reagent container 32 protrudes forward from between a pair of adjacent front plates 48 with a part of the peripheral wall thereof. In addition, since it is placed on the bottom surface 46, a plurality of reagent containers can be stably held.
[0017]
(4) The reagent container installation location 30 is for installing a plurality of columnar reagent containers 32, and when a plurality of columnar reagent containers are installed, the peripheral walls of adjacent reagent containers contact each other. Therefore, a plurality of reagent containers can be held more stably.
[0018]
(5) Reagent container installation locations 30, 34 are provided inside the door 16, and the reagent containers 32, 36 are installed here. As shown in FIGS. 2 and 7, the reagent containers installed at the reagent container installation locations are If a through slit 62 (only one is shown) that can be seen from the outside to the lower end is formed on the door, the reagent solution in the reagent container can be simply seen from the through slit without opening the door. The remaining amount 64 can be easily confirmed.
[0019]
(6) In the analyzer of this example, the reagent container installation location 30 is used to install a plurality of reagent containers 32, and bundles a plurality of reagent pipes 54 attached to each reagent container. Since the reagent pipe 56 is drawn from the door to the housing through the vicinity of the connecting portion 58 between the housing 12 and the door 16, the reagent pipe is not damaged when the door is opened and closed, and the reagent pipe is broken. There is nothing to do.
[0020]
The analyzer of this example can be configured as various analyzers using a reagent solution. For example, alkaline potassium peroxodisulfate is added to the sample water, and predetermined components in the sample water are thermally decomposed at around 120 ° C., then the pH of the sample water is adjusted, and then the absorbance at a wavelength of 220 nm is measured to measure the total nitrogen in the sample water. The total nitrogen measuring means for quantifying the amount of water, potassium peroxodisulfate is added to the sample water, the predetermined components in the sample water are thermally decomposed at around 120 ° C., and then the coloring reagent and the reducing reagent are added to the sample water. The present invention can be configured as a total nitrogen / total phosphorus measuring device comprising a total phosphorus measuring means for measuring the absorbance and determining the total phosphorus in the sample water, and a spectroscopic analyzer for measuring the absorbance. This total nitrogen / total phosphorus measuring apparatus can measure total nitrogen and total phosphorus contained in sample water in accordance with the JIS method.
[0021]
【The invention's effect】
As described above, the analyzer of the present invention can open the door and easily operate the reagent container, or open the door and easily check the remaining amount of the reagent in the reagent container.
[Brief description of the drawings]
FIG. 1 shows an example of an analyzer according to the present invention, and is a simplified front view with a door opened.
FIG. 2 is a front view of the inside of an upper door 16A of the analyzer of FIG.
3 is a side view of an upper door 16A of the analyzer of FIG.
4 is an end view of FIG. 2N-N. FIG.
FIG. 5 is a simplified plan view showing a state in which a reagent container is accommodated in a reagent container installation place of the analyzer of FIG. 1;
FIG. 6 is a view showing a state in which a bundled reagent pipe is drawn from the door to the housing through the vicinity of the connecting portion between the housing and the door.
FIG. 7 is a view showing a through slit formed in a door.
FIG. 8 shows an example of a conventional analyzer, and is a simplified front view with a door opened.
[Explanation of symbols]
12 Housing 12A Upper Space 12B Lower Space 14 Front Opening 16 Door 16A Upper Door 16B Lower Door 18 Analytical Equipment, Analytical Member 30 Reagent Container Place 32 Reagent Container 34 Reagent Container Place 36 Reagent Container 44 Back plate 46 Bottom plate 48 Front plate 54 Reagent pipe 56 Bundled reagent pipe 58 Connection hinge portion 60 Between a pair of adjacent front plates 62 Through slit

Claims (3)

A housing, the Bei example a door for closing the opening of the housing, the reagent container installation location provided inside the door, in spectrometer installed reagent container reagent container installation site, the reagent container installation The place has a vertical back surface and a horizontal bottom surface, and a plurality of vertical front plates are connected to the front end portion of the bottom surface with a predetermined spacing, and the reagent container is connected to the back plate and the front plate. An analyzer characterized in that the reagent container can be seen from the space between a pair of adjacent front plates to the lower end when placed between and placed on the bottom plate . The reagent container is placed on a bottom surface with a cylindrical reagent container placed between the back surface and the front plate so that a part of the peripheral wall protrudes forward between a pair of adjacent front plates. The analyzer according to claim 1 , wherein: The reagent container installation location is a place where a plurality of cylindrical reagent containers are installed, and the peripheral walls of adjacent reagent containers are in contact with each other when a plurality of cylindrical reagent containers are installed. The analyzer according to claim 2 .

Images