阅读说明：本技术 一种应用于实验室流水线设备的试管检测装置及方法 (Test tube detection device and method applied to laboratory assembly line equipment ) 是由 李尧 江胜标 黄振有 刘添荣 赖鹏飞 李运奇 于 2020-12-16 设计创作，主要内容包括：本发明涉及试管检测技术领域,公开了一种应用于实验室流水线设备的试管检测装置及方法,一种试管检测装置,包括试管架、驱动装置、试管架检测模块、控制模块、若干个试管检测模块和信号分析模块,当所述试管架检测模块感测到试管架时,试管检测模块开始工作并采集信号,控制模块接收试管检测模块采集的信号并产生脉冲信号和输出信号域,信号分析模块接收控制模块产生的脉冲信号及信号域,分析试管架上有无试管、试管所处的试管槽位置和试管架装载的试管数量。本发明的目的在于实现对流水线上传输的试管架上的试管的有无、试管所处的试管槽位置和试管架装载的试管数量进行检测,且检测正确率较高的试管检测方案。(The invention relates to the technical field of test tube detection, and discloses a test tube detection device and a test tube detection method applied to laboratory assembly line equipment. The invention aims to realize a test tube detection scheme which can detect whether test tubes on a test tube rack are conveyed on a production line, the positions of test tube slots where the test tubes are located and the number of the test tubes loaded on the test tube rack and has high detection accuracy.)

1. A cuvette testing apparatus, comprising:

a test tube rack having a test tube slot for loading test tubes;

a drive device for: driving the test tube rack to move at a constant speed;

the test-tube rack detection module that sets up with the test-tube rack side is relative for: triggering sensing operation when the test tube rack enters the sensing range of the test tube rack detection module so as to sense the passing test tube rack;

the control module is used for controlling the generation of pulse signals;

be located test-tube rack detection module top and with a plurality of test tube detection module that the test-tube groove of loading test tube corresponds the setting, control module is being connected to test tube detection module for: and sensing the test tube slot on the test tube rack and collecting signals.

2. The cuvette testing apparatus according to claim 1, further comprising a signal analysis module, connected to the control module, for: whether test tubes exist on the test tube rack or not, the positions of the test tube slots where the test tubes are located and the number of the test tubes loaded on the test tube rack are analyzed.

3. The device for testing test tubes according to claim 2, wherein the test tube rack testing module can be a reflective photoelectric switch or a correlation photoelectric switch.

4. The device for testing test tubes according to claim 3, wherein the number of the test tube slots in the test tube rack is 5, the number of the test tube slots in a single row is 10, and the number of the test tube testing modules is 5.

5. The cuvette testing device according to claim 4, wherein the cuvette slot has a regular octagonal prism shape.

6. Test tube testing method for a test tube testing device according to any of the claims 1 to 5, characterized in that it comprises the following steps:

when the test tube rack detection module senses the test tube rack, the test tube detection module starts to work and collects signals;

the control module receives signals collected by the test tube detection module;

when the signal that test tube detection module gathered is high order signal, control module control produces high order pulse signal, when the signal that test tube detection module gathered is low order signal, control module control produces low order pulse signal.

7. The method of claim 6, wherein the tube detecting module collects a high signal when the tube detecting module detects a tube, and a low signal when the tube detecting module does not detect a tube, or the tube detecting module collects a low signal when the tube detecting module detects a tube, and a high signal when the tube detecting module does not detect a tube.

8. A test tube detecting method of a test tube detecting device according to claim 6, wherein the control module outputs a signal field according to the pulse signal generated by the control module.

9. The method for testing a cuvette according to claim 8, further comprising the steps of:

the signal analysis module receives the pulse signal and the signal domain generated by the control module;

the signal analysis module analyzes whether the test tubes exist on the test tube rack, the positions of the test tube slots where the test tubes are located and the number of the test tubes loaded on the test tube rack according to the received pulse signals and the signal domains.

10. The method of claim 9, further comprising the steps of: when the test-tube rack leaves the sensing range of the test-tube rack detection module, the test-tube rack detection module stops working, the test-tube detection module also stops working, and the current test-tube rack detection is finished.

Technical Field

The invention relates to the technical field of test tube detection, in particular to a test tube detection device and method applied to laboratory assembly line equipment.

Background

At present, need to set up test tube detection device usually on the test-tube rack assembly line among the medical instrument, the test tube on the test-tube rack of transmission on the assembly line has, the test tube groove that the test tube was located and the test tube quantity that the test-tube rack loaded detect, current test tube detection scheme, including using mechanical motion device to go to touch and sense test tube or traditional step-by-step detection mode, because test tube flow is big on the assembly line, above-mentioned each scheme, the location to the test tube and detect the speed and put higher requirement, just the erroneous judgement appears with the high possibility when the location has deviation slightly or speed to reach the anticipated requirement, and it puts to detect to the test tube groove that the test tube was located hardly.

Disclosure of Invention

The invention aims to provide a test tube detection device and a test tube detection method applied to laboratory assembly line equipment, which are used for detecting whether test tubes on a test tube rack are conveyed on an assembly line, the positions of test tubes in a test tube groove and the number of test tubes loaded on the test tube rack, and have high detection accuracy.

The invention is realized by the following technical scheme:

a cuvette testing apparatus, comprising:

a test tube rack having a test tube slot for loading test tubes;

a drive device for: driving the test tube rack to move at a constant speed;

the test-tube rack detection module that sets up with the test-tube rack side is relative for: triggering sensing operation when the test tube rack enters the sensing range of the test tube rack detection module so as to sense the passing test tube rack;

the control module is used for controlling the generation of pulse signals;

be located test-tube rack detection module top and with a plurality of test tube detection module that the test-tube groove of loading test tube corresponds the setting, control module is being connected to test tube detection module for: and sensing the test tube slot on the test tube rack and collecting signals.

Further, the device also comprises a signal analysis module, wherein the signal analysis module is connected with the control module and is used for: whether test tubes exist on the test tube rack or not, the positions of the test tube slots where the test tubes are located and the number of the test tubes loaded on the test tube rack are analyzed.

Furthermore, the test tube rack detection module can be a reflection type photoelectric switch or a correlation type photoelectric switch.

Furthermore, the number of the test tube grooves in the test tube rack is 5, the number of the test tube grooves in a single row is 10, and the number of the test tube detection modules is 5.

Further, the test tube groove is in a regular octagonal prism shape.

Further, the test tube detection method comprises the following steps:

when the test tube rack detection module senses the test tube rack, the test tube detection module starts to work and collects signals;

the control module receives signals collected by the test tube detection module;

when the signal that test tube detection module gathered is high order signal, control module control produces high order pulse signal, when the signal that test tube detection module gathered is low order signal, control module control produces low order pulse signal.

Further, when the test tube detection module detects the test tube, the test tube detection module collects a high-order signal, and when the test tube detection module does not detect the test tube, the test tube detection module collects a low-order signal, or when the test tube detection module detects the test tube, the test tube detection module collects a low-order signal, and when the test tube detection module does not detect the test tube, the test tube detection module collects a high-order signal.

Further, the control module outputs a signal domain according to the pulse signal generated by the control module;

further, the test tube detection method further comprises the following steps:

the signal analysis module receives the pulse signal and the signal domain generated by the control module;

the signal analysis module analyzes whether the test tubes exist on the test tube rack, the positions of the test tube slots where the test tubes are located and the number of the test tubes loaded on the test tube rack according to the received pulse signals and the signal domains.

Further, the test tube detection method further comprises the following steps: when the test tube rack leaves the sensing range of the test tube rack detection module, the test tube rack detection module stops working, and the current test tube rack detection is finished.

Further, the test tube detection method further comprises the following steps: and when the test tube rack detection module stops working, the test tube detection module also stops working.

Compared with the prior art, the test tube detection device and the test tube detection method applied to the laboratory assembly line equipment have the advantages that the test tube detection device and the test tube detection method adopt the matching of the driving device, the test tube rack detection module, the test tube detection module, the control module and the signal analysis module, the driving device drives the test tube rack to pass through the test tube rack detection module at a constant speed, at the moment, the test tube detection module above the test tube rack detection module starts to work to collect signals, the control module receives the signals collected by the test tube detection module and sends high-level or low-level pulse signals, the analysis module receives the pulse signals sent by the control module and analyzes whether test tubes exist on the test tube rack, the positions of the test tube slots where the test tubes are located and the number of the test tubes loaded on the test tube rack according to the condition of the pulse signals, the test tube detection device and the detection method can be suitable, the universality is strong, the detection process is convenient, and the accuracy is high.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic structural diagram of a test tube detection device.

Fig. 2 is a schematic view of the operation state of the test tube detection device.

Fig. 3 is a schematic structural view of the test tube rack.

FIG. 4 is a flowchart of a first embodiment of a cuvette testing method.

FIG. 5 is a flowchart of a second embodiment of a cuvette testing method.

FIG. 6 is a flowchart of a third embodiment of a cuvette testing method.

FIG. 7 is a diagram illustrating signal domains output by the control module according to a second embodiment of the cuvette detection method.

The device comprises a test tube rack, a test tube groove, a test tube rack detection module, a test tube and a test tube detection module, wherein the test tube rack comprises 1-test tube racks, 101-test tube grooves, 2-test tube rack detection modules, 3-test tubes and 4-test tube detection modules.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, if the specific posture changes, the directional indicator changes accordingly.

As shown in fig. 1 to 3, a test tube testing apparatus includes:

the test tube rack 1 has a test tube slot 101 for loading test tubes, which in one embodiment is in the shape of a regular octagonal prism.

Drive means (not shown) for: driving the test tube rack 1 to move at a constant speed;

the relative test-tube rack detection module 2 that sets up with 1 side of test-tube rack, when 1 response scope that gets into test-tube rack detection module 2 of test-tube rack, test-tube rack detection module 2 triggers sensing operation to the test-tube rack 1 of sensing process, in an embodiment, test-tube rack detection module 2 is correlation formula photoelectric switch.

A control module (not shown) for controlling the generation of the pulse signal;

be located 2 tops of test-tube rack detection module and with the corresponding a plurality of test tube detection module 4 that sets up of test-tube groove 101 that loads test tube 3 for the test-tube groove on the sensing test-tube rack, and the signal of gathering, in an embodiment, the test-tube rack has 5 rows of test-tube grooves, and single row of test-tube groove quantity is 10, test-tube detection module's quantity is 5, and 5 test-tube detection modules are same horizontal direction setting and correspond with 5 rows of test-tube grooves respectively, control module is being connected to test-tube detection module 4.

Further, the test tube detection device further comprises a signal analysis module (not shown in the figure), wherein the signal analysis module is connected with the control module and used for analyzing whether the test tubes exist on the test tube rack, the test tube slot positions where the test tubes are located and the number of the test tubes loaded on the test tube rack.

The first embodiment is as follows:

as shown in fig. 4, a test tube detection method includes the following steps:

step 101, the test tube rack detection module senses a test tube rack;

102, starting the test tube detection module to work and acquiring signals;

103, the control module receives signals collected by the test tube detection module;

step 104, when the signal collected by the test tube detection module is a high-order signal, executing step 105, and when the signal collected by the test tube detection module is a low-order signal, executing step 106;

105, controlling to generate a high-order pulse signal by the control module;

106, controlling to generate a low-order pulse signal by the control module;

and step 107, the control module outputs a signal domain according to the pulse signal generated by the control module.

In this embodiment, when the test tube detection module detects the test tube, the test tube detection module collects the low-order signal, and when the test tube detection module does not detect the test tube, the test tube detection module collects the high-order signal.

Example two:

as shown in fig. 5, a test tube detection method includes the following steps:

step 101, the test tube rack detection module senses a test tube rack;

102, starting the test tube detection module to work and acquiring signals;

103, the control module receives signals collected by the test tube detection module;

step 104, when the signal collected by the test tube detection module is a high-order signal, executing step 105, and when the signal collected by the test tube detection module is a low-order signal, executing step 106;

105, controlling to generate a high-order pulse signal by the control module;

106, controlling to generate a low-order pulse signal by the control module;

and step 107, the control module outputs a signal domain according to the pulse signal generated by the control module.

Step 201, the signal analysis module receives a pulse signal and a signal domain generated by the control module;

step 202, the signal analysis module analyzes whether the test tubes exist on the test tube rack, the positions of the test tube slots where the test tubes are located and the number of the test tubes loaded on the test tube rack according to the received pulse signals and the signal domain.

In this embodiment, when the test tube detection module detects the test tube, the test tube detection module collects the low-order signal, and when the test tube detection module does not detect the test tube, the test tube detection module collects the high-order signal.

When the test tube rack 1 enters the test tube rack detection module 2, the row of test tube slots close to one side of the test tube rack detection module 2 is set as A, the row of test tube slots close to the A is set as B, the rows of test tube slots close to the A are respectively set as A, B, C, D and E by analogy, the test tube detection modules corresponding to the A row of test tube slots are set as H1, the test tube detection modules corresponding to the B row of test tube slots are set as H2, the test tube detection modules corresponding to the C row of test tube slots are set as H3, the test tube detection modules corresponding to the D row of test tube slots are set as H4, and the test tube detection modules corresponding to the E row of test tube slots are set as H5, wherein the first to the tenth test tube slots of the A row of test tube slots are respectively set as A1, A2, A3, A4, A5, A6, A7, A6342, A9 and A39 10, and the first to the tenth test tube slots of the B row of test tube slots are respectively set as B1, B4, B6324, B599, B, B9 and B10, and so on, and the test tube slots in other rows are numbered, and are not described herein again (it should be noted that the first test tube slot described in this embodiment is the first test tube slot entering the corresponding test tube rack detection module 2).

1. When 1 full-load test tube of test-tube rack gets into test-tube rack detection module 2, test-tube detection module 4 begins work, and 10 low level signals have all been gathered to final 5 test-tube detection modules, control module receives 10 low level signals that 5 test-tube detection modules gathered respectively, and then control module has received 50 low level signals altogether, then control module control produces 50 low level pulse signals, and signal analysis module receives 50 low level pulse signals that control module produced, the full-load test tube on the analysis confirmed test-tube rack, and the test tube quantity of loading is 50.

2. When the test tube rack 1 is empty, the test tube detection module 2 enters the test tube rack detection module 2, the test tube detection module 4 starts to work, finally, 10 high-order signals are collected by 5 test tube detection modules, the control module receives 10 high-order signals collected by 5 test tube detection modules respectively, then the control module receives 50 high-order signals, then the control module controls to generate 50 high-order pulse signals, the signal analysis module receives 50 high-order pulse signals generated by the control module, the test tube rack is empty and is analyzed and determined, and the number of the loaded test tubes is 0.

3. Assuming that test tubes are loaded in only five test tube grooves, namely, A2, B3, C4, D5 and E6, and no test tube is loaded in the rest test tube grooves, when the test tube rack 1 enters the test tube rack detection module 2 and the test tube detection module 4 starts to work, the test tube detection module H1 collects a low-level signal at the No. 2 detection position, and the rest detection positions from No. 1 and No. 3 to No. 10 are all high-level signals; the test tube detection module H2 acquires a low-level signal at the detection position No. 3, and the rest detection positions from the detection position No. 1, the detection position No. 2, the detection position No. 4 to the detection position No. 10 are all high-level signals; the test tube detection module H3 acquires a low-level signal from the detection position No. 4, and the rest of the detection positions from the detection position No. 1 to the detection position No. 3 and the detection positions from the detection position No. 5 to the detection position No. 10 are all high-level signals; the test tube detection module H4 acquires a low-level signal from the detection position No. 5, and the rest of the detection positions from the detection position No. 1 to the detection position No. 4 and the detection positions from the detection position No. 6 to the detection position No. 10 are all high-level signals; the test tube detection module H5 collects a low-order signal at the No. 6 detection position, and the rest of the signals collected from the No. 1 detection position to the No. 5 detection position and from the No. 7 detection position to the No. 10 detection position are all high-order signals.

The control module receives 5 low-order signals and 45 high-order signals collected by the test tube detection modules H1, H2, H3, H4 and H5, then the control module controls and generates 5 low-order pulse signals and 45 high-order pulse signals according to the positions of the high-order signals and the low-order signals collected by the test tube detection modules H1, H2, H3, H4 and H5 and forms a signal domain (as shown in FIG. 7), and the signal analysis module analyzes and determines that 5 test tubes are loaded in the test tube rack according to the pulse signals and the signal domain output by the control module, and the positions are A2, B3, C4, D5 and E6 respectively.

It should be noted that the position number of the cuvette detecting module described in this embodiment corresponds to the number of the cuvette slot, for example, the detecting area of the a1 cuvette slot is the detecting position No. 1 of the cuvette detecting module H1, the detecting area of the a2 cuvette slot is the detecting position No. 2 of the cuvette detecting module H1, the detecting area of the B1 cuvette slot is the detecting position No. 1 of the cuvette detecting module H2, the detecting area of the B2 cuvette slot is the detecting position No. 2 of the cuvette detecting module H2, and so on.

Example three:

as shown in fig. 6, a test tube detection method includes the following steps:

step 101, the test tube rack detection module senses a test tube rack;

102, starting the test tube detection module to work and acquiring signals;

103, the control module receives signals collected by the test tube detection module;

step 104, when the signal collected by the test tube detection module is a high-order signal, executing step 105, and when the signal collected by the test tube detection module is a low-order signal, executing step 106;

105, controlling to generate a high-order pulse signal by the control module;

106, controlling to generate a low-order pulse signal by the control module;

step 107, the control module outputs a signal domain according to the pulse signal generated by the control module;

step 201, the signal analysis module receives a pulse signal and a signal domain generated by the control module;

step 202, the signal analysis module analyzes whether the test tubes exist on the test tube rack, the positions of the test tube slots where the test tubes are located and the number of the test tubes loaded on the test tube rack according to the received pulse signals and the signal domain.

301, the test tube rack leaves the sensing range of the test tube rack detection module;

and step 302, stopping the test tube rack detection module, and finishing the detection of the current test tube rack.

And step 303, stopping the test tube detection module.

The applicant asserts that the above-described embodiments merely represent the basic principles, principal features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, and that various changes and modifications can be made by one skilled in the art without departing from the spirit and scope of the invention, which will fall within the scope of the invention as claimed.

The present invention is not limited to the above embodiments, and all embodiments adopting the similar structure and method to achieve the object of the present invention are within the protection scope of the present invention.