JPH06160397A - Automatic chemical analyzer - Google Patents

Abstract

PURPOSE:To automate an operation except an analytic business by an operator by previously setting a process at the times of starting and finishing an analysis and an operation of ON/OFF, etc., of a power source, and operating according to a set starting time, a processing content. CONSTITUTION:A controller 1 is provided as a center of controlling an entire system to operate an analyzer 2 for analyzing a sample under the control of it and other sections. A display unit 4 for displaying a starting time, a processing content, etc., on a CRT, etc., is provided in order to automatically start a power source. The set starting time is stored in a memory medium 6 of a timer 5. The content, etc., is stored in a memory medium 7 of the controller 1. The power source is started at the set starting time based on information of the medium 6. A power source 8 is provided to be automatically started and stopped when it becomes a set time in addition to ON/OFF on a switch panel of a power source switch 9. Further, a daily maintenance is automated to alleviate an operator's load.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic chemical analyzer, and more particularly to daily maintenance of the automatic chemical analyzer.

[0002]

2. Description of the Related Art Generally, as routine maintenance in an automatic chemical analyzer, processing at the start of analysis and processing at the end of analysis are necessary. A menu mainly for cleaning is prepared, and after the automatic chemical analyzer is started up and before the analysis is finished and the power is turned off, daily processing is performed according to the menu selected and set by the operator. These treatments are necessary because contamination of the reagent tube or reaction tube with a reagent, adhesion of foreign matter to the reaction tube due to drying, or deterioration of hydrophilicity may adversely affect the measurement results. The management and activation of the processes were all performed by the operator.

[0003]

However, in the above-mentioned conventional technique, there is a problem that an operator is restrained and a burden is increased because a process unrelated to the original analysis work is performed. In particular, even if the automatic chemical analyzer is not used for a long period of time such as a long holiday of several days or longer, the operator must be restrained to perform this process for the above reason.

The present invention has been made in order to solve the above-mentioned problems of the prior art. The purpose of the present invention is to reduce the burden on the operator by unmanning the processing unrelated to the original analytical work. An object is to provide an automatic chemical analyzer that can be reduced.

[0005]

In order to achieve the above object, according to the present invention, a means for restarting a timer device according to a setting operation of a power-on date and time, and a restarted timer device. When a time-up output occurs, the means to turn on the power switch to turn on the power, the means to execute various daily processing according to the setting contents of various daily processing, and the analysis at the end of various daily processing A means for automatically turning off the power switch to turn off the power after the processing is completed.

[0006]

In the automatic chemical analyzer of the present invention having the above-mentioned structure, processing at the start and end of the analysis, power ON / OFF
The operation such as OFF can be set in advance, and the operation can be performed according to the set start time and the set processing content. Therefore, it is possible to automate the operation which is conventionally performed by the operator and which is not related to the analysis work.

[0007]

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing a schematic structure of an automatic chemical analyzer according to an embodiment of the present invention. The automatic chemical analyzer in FIG. 1 is provided with a control unit 1 as a control center of the entire system, and under the control of the control unit 1, the analysis unit 2 for analyzing a sample and other units are operated. The automatic chemical analyzer includes an input unit 3 including a keyboard for setting the start time for automatically starting the power supply, the processing at the start of analysis and the content of the processing at the end of analysis, and the start time and CR that displays processing details
The timer 4 is provided with a display device 4 such as T, and the set start time is stored in the storage medium 6 included in the timer device 5, and the processing content is stored in the storage medium 7 included in the control unit 1. Based on the information of the storage medium 6 of the timer device 5, the power is turned on at the set start time. Further, the automatic chemical analyzer is provided with a power source 8,
The power switch panel 9a of the power switch 9 is shown in FIG.
In addition to ON and OFF as shown in, AU that can automatically start up and turn off the power at the set time
It can be set to TO and can be turned ON / OFF by the control unit 1 only when it is set to AUTO. Also,
Power supply backup may be applied to the timer device 5.

The operation of daily maintenance on weekdays in the automatic chemical analyzer will be described with reference to the flow chart shown in FIG. First, the operator turns on the power switch 9 (step ST1). If the power switch 9 is AUTO (YES in step ST2), the set process at the start of analysis is executed and the operator's operation is waited (steps ST3 and ST4). The process at the start of analysis is carried out according to a menu preset by the operator, such as constant temperature water exchange, reagent priming, reaction tube washing, cell blank measurement, probe washing, and reaction tube water filling. If the power switch 9 is not AUTO (NO in step ST2), step ST3 is skipped and the operator's operation is waited (step ST4). When the analysis operation for analyzing the sample is performed and all the analysis operations on this day are completed, the operator starts the processing at the end of the analysis (step ST
5) The processing at the end of the set analysis is carried out (step ST6). At the end of the analysis, for example, constant temperature water exchange,
Purging of the reagent, washing of the reaction tube, washing of the probe, water (detergent) in the reaction tube, and washing of the detergent (detergent rack) are performed according to a menu preset by the operator. If the processing at the end of the analysis is completed and the power switch 9 is AUTO (YES in step ST7), the power switch 9 remains AUTO and the power is automatically turned off.
Yes (step ST8). If the switch is not AUTO in step ST7, the operation of the operator is awaited (step ST4). On the next day, at the start-up time (YES in step ST9), the power is automatically turned on (step ST10), and the process proceeds to step ST2. In this way
Steps ST2 to ST10 are repeatedly executed.

Next, the weekly routine maintenance operation of the automatic chemical analyzer will be described with reference to the flow chart shown in FIG. First, the operator turns on the power switch 9 (step ST11). The power switch 9 is AUTO (YES in step ST12),
If the set process is not the process at the end of the analysis (NO in step ST13), the set process at the start of the analysis is executed (step ST14) and waits for the operator's operation (step ST15). Power switch 9 is AUT
If not O (NO in step ST12), step S
T13, skip step ST14 and skip step 15
And wait for operator's operation. An analysis operation for analyzing the sample is performed, and when all the analysis operations on this day are completed, the operator finishes the processing at the end of the analysis (step ST16) and executes the set processing at the end of the analysis (step ST16). ST17). If the set process is the process at the end of analysis in step ST13 (YES in step ST13), steps ST13 and ST14
Is skipped, and the processing at the end of the set analysis is performed (step ST17). That is, in this case, the process at the start of analysis and the analysis operation are not performed, and only the process at the end of analysis is performed. The processing at the end of the analysis is completed,
If the power switch 9 is AUTO (step ST18
YES), the power switch 9 automatically turns off the power while keeping AUTO (step ST19). If the power switch 9 is not AUTO (NO in step ST18)
O), proceeding to step ST15, waiting for operator's operation. The next day, at the start-up time (step ST20
YES), the power is automatically turned on (step ST2
1), go to step ST12.

The start-up time and the processing contents can be set for each day of the week, and FIG. 5 is a diagram showing an example of an input screen in which the start-up time and the processing contents in the daily routine maintenance of the week are set. The process numbers shown in FIG. 5 are used to set the process menus. For example, the analysis preparation 1 of the process 1 is washing and prime of all reagents, the analysis preparation 2 of the process 2 is washing and reagent prime of limited items, and the process 3 The end processing of specifies the cleaning operation. In addition, a plurality of processing contents can be preset on the same day in case the items to be analyzed change depending on the day. Further, all the start-up times may be stored in the storage means of the timer device, or may be a procedure of sending the next start-up time to the timer device once started in the storage means of the control unit. When used in a facility where the power is turned off more than once such as during the day / night, two or more startup times or processing contents may be set on the same day.

Further, by adding a receiving means for receiving the control signal from the timer device to the control section, even when the control section is in the power-on state, the processing at the end of analysis and the processing at the start of analysis are automatically performed from this state. Can be repeated. When a signal from the timer device is received during analysis or other processing, this signal is ignored or the operation is waited for. This time can be set as "what time what minute" or "how many hours and minutes later". As a result, the burden on the operator can be further reduced. As described above, according to the present embodiment, it is possible to unmanned the processing unrelated to the original analysis work and reduce the burden on the operator.

[0013]

The automatic chemical analyzer according to the present invention having the above-mentioned structure and operation can unmanned the processing unrelated to the original analytical work and reduce the burden on the operator. .

[Brief description of drawings]

FIG. 1 is a block diagram showing a schematic configuration of an automatic chemical analyzer according to an embodiment of the present invention.

FIG. 2 (a) is a diagram showing a power switch panel of the automatic chemical analyzer in the example, and FIG. 2 (b) is a diagram showing a relationship between a power switch operation and a power state.

FIG. 3 is a flow chart showing an operation of daily maintenance on weekdays in the automatic chemical analyzer of the embodiment.

FIG. 4 is a flow chart showing an operation of weekly daily maintenance in the automatic chemical analyzer of the embodiment.

FIG. 5 is a diagram showing an input screen in which a startup time and processing contents are set in daily maintenance for a week.

[Explanation of symbols]

 1 Control Section 2 Analysis Section 5 Timer Device 6 Storage Medium 7 Storage Medium 8 Power Supply 9 Power Switch 9a Power Switch Panel

Claims (4)

[Claims] 1. A means for restarting a timer device according to a setting operation of a power-on date and time, and a power switch being turned on by turning on a power switch when a time-up output occurs in the restarted timer device. Means, means for executing various daily routines in accordance with the setting contents of various daily routines, and means for automatically turning off the power switch to turn off the power after the completion of the processing at the end of analysis in various daily routines. An automatic chemical analysis device, comprising: 2. The automatic chemical analyzer according to claim 1, wherein the power switch can perform a setting operation for causing the means for turning off the power or the means for starting the power to function. 3. The automatic chemical analysis device according to claim 1, further comprising a storage medium for storing the power-on date and time set for restarting the timer device. 4. The automatic chemical analyzer according to claim 1, wherein the start-up date and time of the power source can be set cyclically.