CN104833565A - Excrement stirring control method and excrement stirring apparatus - Google Patents
Excrement stirring control method and excrement stirring apparatus Download PDFInfo
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- CN104833565A CN104833565A CN201510270340.0A CN201510270340A CN104833565A CN 104833565 A CN104833565 A CN 104833565A CN 201510270340 A CN201510270340 A CN 201510270340A CN 104833565 A CN104833565 A CN 104833565A
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- 238000003756 stirring Methods 0.000 title claims abstract description 256
- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000003085 diluting agent Substances 0.000 claims abstract description 62
- 238000012544 monitoring process Methods 0.000 claims abstract description 43
- 238000002156 mixing Methods 0.000 claims description 57
- 206010012735 Diarrhoea Diseases 0.000 claims description 32
- 238000001514 detection method Methods 0.000 claims description 18
- 230000000977 initiatory effect Effects 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 8
- 238000013019 agitation Methods 0.000 claims description 4
- 230000001575 pathological effect Effects 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000001133 acceleration Effects 0.000 description 8
- 238000003384 imaging method Methods 0.000 description 6
- 238000004898 kneading Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000010790 dilution Methods 0.000 description 4
- 239000012895 dilution Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The invention discloses an excrement stirring control method and an excrement stirring apparatus. The excrement stirring control method comprises the following steps: (1) adding a diluent to a sample; (2) stirring; (3) monitoring a stirring state; (4) judging a monitoring result, and turning to step (2) if the stirring is insufficient while turning to the next step if the stirring is sufficient; and (5) finishing the stirring. According to the excrement stirring control method provided by the embodiment of the invention, by monitoring the stirring state of the sample and the diluent, stirring is finished after the sample and the diluent are fully stirred, so that the circumstance that pathological components are damaged in the case of excessive stirring is avoided and time waste is also avoided; moreover, the circumstance of insufficient stirring is also avoided. Through the excrement stirring control method provided by the embodiment of the invention, the accuracy of detecting the sample in a subsequent step is effectively improved.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a stool stirring control method and a stool stirring device.
Background
During stool testing, the sample needs to be mixed with a diluent. At present, a driving device such as a motor drives a stirring and mixing component in a stirring device to operate so that the stirring and mixing component stirs a sample and a diluent, thereby obtaining a diluted mixed suspension and completing stirring operation.
However, since the samples have different properties (mainly including loose stools, soft stools, hard stools, and the like), the degree of sufficient stirring of the samples is different when the time and the force (the stirring speed of the stirring and mixing part) of the stirring and mixing part for stirring the samples are not changed. If the loose stool and the soft stool have soft texture, the diluent is easy to mix, the pathological components can be damaged by excessive stirring, and the time is wasted; the hard stool is hard in texture, so that the mixture of the diluent is difficult to mix, and a sample part which is not mixed with the diluent is easy to remain after stirring, so that the stirring is insufficient. The accuracy of the detection is affected by the excessive stirring or insufficient stirring.
Therefore, how to improve the accuracy of sample detection is an urgent problem to be solved by those skilled in the art.
Disclosure of Invention
In view of this, the present invention provides a stool stirring control method to improve the accuracy of sample detection. The invention also discloses a stool stirring device.
In order to achieve the purpose, the invention provides the following technical scheme:
a stool stirring control method comprises the following steps:
1) sending out a starting detection signal;
2) adding a diluent to the sample according to the start detection signal;
3) stirring the sample added with the diluent;
4) monitoring the stirring state of the sample;
5) judging the monitoring result, entering the step 3 when the stirring is insufficient, and entering the next step when the stirring is sufficient;
6) the stirring was terminated.
Preferably, in the stool stirring control method, a step 12) of performing initial property detection on the sample is further included between the step 1) and the step 2);
in the step 3), selecting a preset stirring speed according to the initial character monitoring result of the sample in the step 12):
when the initial character monitoring result of the sample is loose stool or soft stool, the preset stirring speed is a first stirring speed; when the initial character monitoring result of the sample is hard stool, presetting a second stirring speed; the first stirring speed is less than the second stirring speed.
Preferably, in the stool stirring control method, the step 4) is specifically: after a predetermined stirring time, the stirring state is detected.
Preferably, in the stool stirring control method, in the step 4), when the initial property monitoring result of the sample is loose stool or soft stool, the predetermined stirring time is a first stirring time; when the initial character monitoring result of the sample is hard stool, the preset stirring time is a second stirring time; the first stirring time is less than the second stirring time.
Preferably, in the stool stirring control method, the step 4) is specifically: and monitoring the stirring state in real time.
Preferably, in the stool stirring control method, the step 4) is specifically: and monitoring the stirring state of the sample, and adjusting the stirring speed according to the proportion of the sample not dissolved in the diluent, wherein the sample not dissolved in the diluent is in direct proportion to the stirring speed.
Preferably, in the stool agitation control method, in the step 3), the agitation speed is gradually increased until a predetermined speed is reached and then the sample to which the diluent is added is agitated at a constant speed while the sample is agitated.
The present invention also provides a stool stirring device, comprising:
a stirring and uniformly mixing part for stirring the sample and the diluent;
the diluent adding component is connected with the stirring and uniformly mixing component and is used for adding diluent into the stirring and uniformly mixing component;
the camera shooting component is used for monitoring the stirring state in the stirring and blending component;
a recognition analysis judging component which is connected with the camera component in a communication way and is used for judging whether the stirring is sufficient;
and the automatic control component is in communication connection with the identification, analysis and judgment component and the stirring and blending component and comprises a first control unit for controlling the operation of the stirring and blending component according to the judgment result of the identification, analysis and judgment component.
Preferably, in the stool mixing device, the automatic control unit further includes a second control unit for controlling a mixing speed of the mixer.
Preferably, in the stool stirring device, the stirring and kneading member includes: a mixing mechanism that is used for sample collection storage and dilutes filterable sample pipe and is used for the stirring, mixing mechanism is located in the sample pipe and can for the sample pipe rotates.
Preferably, in the stool stirring device, the imaging unit is provided at a bottom of the sample tube.
According to the technical scheme, the stirring state of the sample and the diluent is monitored, so that the stirring is finished after the sample and the diluent are fully stirred, the condition that pathological components are damaged due to excessive stirring is avoided, and time waste is avoided; insufficient stirring is also avoided. The stool stirring control method provided by the embodiment of the invention effectively improves the accuracy of the sample detection result in the subsequent steps.
The invention also provides a stool stirring device. Has the same technical effects as the excrement stirring control method, and is not described in detail and is within the protection scope.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a stool stirring control method according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the stool stirring device provided in the embodiment of the present invention.
Wherein,
a stirring and mixing part-1, a diluent adding part-2, an image pick-up part-3, a recognition analysis and judgment part-4 and an automatic control part-5.
Detailed Description
The invention provides a stool stirring control method, which aims to improve the accuracy of sample detection. The invention also discloses a stool stirring device.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1, fig. 1 is a schematic flow chart of a stool stirring control method according to an embodiment of the present invention.
The embodiment of the invention provides a stool stirring control method, which comprises the following steps:
s1: sending out a starting detection signal;
the start detection signal can be sent manually or automatically when the sample is detected to be in place.
S2: adding a diluent to the sample according to the start detection signal;
the amount of the diluent added to the sample may depend on the weight and/or the state of the sample (loose stool, soft stool, or hard stool), wherein the mixing ratio of the sample and the diluent is determined according to the actual requirement.
S3 stirring the sample to which the diluent has been added;
the sample to which the diluent is added is stirred to mix the sample with the diluent.
S4 monitoring the stirring state of the sample;
the mixing state of the sample and the diluent after stirring is monitored, whether a sample which is not dissolved in the diluent exists can be monitored, and whether the concentration of the mixed liquid of the sample and the diluent is improved can also be monitored.
S5: judging the monitoring result, and entering step S3 when the stirring is insufficient, and entering the next step when the stirring is sufficient;
in the method of monitoring whether there is any sample that is not dissolved in the diluent, when there is a sample that is not dissolved in the diluent, it is determined that stirring is insufficient; otherwise, the mixture is fully stirred.
In the method for monitoring whether the concentration of the mixed liquid of the sample and the diluent is increased, when the concentration of the monitored mixed liquid is still in an increased state, the stirring is judged to be insufficient; otherwise, the mixture is fully stirred.
When the stirring is judged to be insufficient, the step S3 is carried out, and the mixed liquid of the sample and the diluent is continuously stirred; and when the stirring is judged to be sufficient, the next step is carried out.
S6: the stirring was terminated.
And after the stirring is fully performed, ending the stirring, and outputting the mixed liquid of the fully stirred sample and the diluent.
According to the excrement stirring control method provided by the embodiment of the invention, the stirring state of the sample and the diluent is monitored, so that the sample and the diluent are stirred fully and then the stirring is finished, the condition that pathological components are damaged due to excessive stirring is avoided, and the time waste is avoided; insufficient stirring is also avoided. The excrement stirring control method provided by the embodiment of the invention effectively improves the accuracy of sample detection in the subsequent steps.
Further, between the steps S1 and S2, a step S12 is further included: carrying out initial character detection on the sample;
the initial property of the sample is the state of the sample when no diluent is added. The initial behavior of the sample is divided into loose stool, soft stool and hard stool. In this step, the device for detecting the sample may be an imaging device, a tactile device, or the like, and only the initial property of the sample needs to be detected.
In step S3, a predetermined stirring speed is selected according to the initial property monitoring result of the sample in step S12. And when the initial character monitoring result of the sample is loose stool or soft stool, setting the preset stirring speed as a first stirring speed. And when the initial property monitoring result of the sample is hard stool, presetting a stirring speed and a second stirring speed. It can be understood that when the initial character of the sample is loose stool or soft stool, the sample has soft texture and small stirring force, and the pathological components in the sample can be damaged by excessive stirring force; and when the initial character of the sample is hard stool, the texture is hard, and the stirring force is large, so that the mixing of the sample and the diluent is accelerated. The stirring intensity depends on the stirring speed, so that the first stirring speed is lower than the second stirring speed.
The preset stirring speed can also be divided into three stages, such as a dilute excrement stirring speed, a soft excrement stirring speed and a hard excrement stirring speed, and the speeds of the three are increased in sequence. The predetermined stirring speed can also be divided into four or more stages, which are not described in detail herein and are all within the scope of protection. It should be noted that the predetermined stirring speed of each stage may be a constant value or a curve value (i.e., a value gradually increasing with time and then decreasing), or may change from low to high or from low to high to low with time.
In step S4, the monitoring of the stirring state specifically includes: after a predetermined stirring time, the stirring state is detected. The preset stirring time is determined according to actual requirements. Through the steps, the effect of monitoring the stirring state after the preset stirring time is separated is realized, and the condition of insufficient stirring or excessive stirring is effectively avoided.
Further, the time required for stirring is affected by the initial properties of the sample. Therefore, it is preferable to set the predetermined stirring time according to the initial properties of the sample.
In step S4, the predetermined stirring time is a first stirring time when the initial characteristic monitoring result of the sample is loose stool or soft stool, and the predetermined stirring time is a second stirring time when the initial characteristic monitoring result of the sample is hard stool, the first stirring time being shorter than the second stirring time. It can be understood that when the initial property of the sample is loose stool or soft stool, the sample has a soft texture, the stirring time is short, and the pathological components in the sample can be damaged by too long stirring time; when the initial state of the sample is hard stool, the texture is hard, and the time required for stirring is long.
Similarly, the preset stirring time can be divided into three stages, such as dilute excrement stirring time, soft excrement stirring time and hard excrement stirring time, and the speeds of the three stages are increased in sequence. The predetermined stirring time can also be divided into four or more stages, which are not described in detail herein and are all within the scope of protection.
In the above embodiment, the monitoring of the stirring state after the predetermined stirring time interval may still cause excessive stirring (i.e. the stirring state is still stirred for a period of time less than the predetermined stirring time after the stirring is sufficiently performed), and therefore, in another embodiment provided by the embodiment of the present invention, the step S4 specifically includes: and monitoring the stirring state in real time. Through the real-time monitoring of the stirring state, when the stirring is sufficient, the stirring can be finished.
In order to complete the sufficient stirring of the sample more quickly and effectively, the stirring speed may be adjusted according to the monitoring result in step S4. Specifically, step S4 specifically includes: and monitoring the stirring state of the sample, and adjusting the stirring speed according to the proportion of the sample not dissolved in the diluent, wherein the sample not dissolved in the diluent is in direct proportion to the stirring speed.
That is, by monitoring the stirring state of the sample, when there are many samples that are not dissolved in the diluent, the stirring speed is increased so as to achieve a sufficient stirring effect of the sample as soon as possible, and when there are few samples that are not dissolved in the diluent, the stirring speed is decreased so as to reduce the dissolution efficiency of the sample and avoid excessive stirring.
In another embodiment, in step S3, during stirring the sample to which the diluent is added, the stirring speed is gradually increased until the predetermined speed is reached and then the sample is stirred at a constant speed. It is preferable to increase the stirring speed at a steady acceleration and stop the acceleration after reaching a predetermined speed.
Further, in the process of gradually increasing the stirring speed, a predetermined speed may be specified according to a result obtained by monitoring the stirring state in real time, and the acceleration may be stopped after the stirring speed reaches the predetermined speed. Alternatively, the predetermined speed may be defined according to the initial properties of the sample, and the acceleration may be stopped after the stirring speed reaches the predetermined speed. Samples with different initial properties (including loose stool, soft stool and hard stool) can be selected, and the optimal acceleration and the preset speed can be obtained through multiple tests on the samples. The predetermined speed may also be specified according to the detection requirements, etc., which are not described in detail herein and are within the scope of protection.
Further, in step S3, the stirring speed is gradually increased while the sample to which the diluent is added is stirred until the predetermined speed is reached and then the sample is stirred at a constant speed. It is preferable to increase the stirring speed at a steady acceleration and stop the acceleration after reaching a predetermined speed.
Similarly, the acceleration may be determined based on the initial state of the sample, the result of monitoring the agitation state in real time, or the like.
Referring to fig. 2, fig. 2 is a schematic structural view of a stool stirring device according to an embodiment of the present invention.
The invention also provides a stool stirring device which comprises a stirring and uniformly mixing component 1, a diluent adding component 2, a camera component 3, a recognition analysis and judgment component 4 and an automatic control component 5. Wherein, the stirring and uniformly mixing part 1 is used for stirring the sample and the diluent; the diluent adding part 2 is connected with the stirring and uniformly mixing part 1 and is used for adding diluent into the stirring and uniformly mixing part; the camera component 3 is used for monitoring the stirring state in the stirring and blending component 1; the recognition analysis judging component 4 is in communication connection with the camera component 3 and is used for judging whether the stirring is sufficient or not; the automatic control component 5 is connected with the identification, analysis and judgment component 4 and the stirring and mixing component 1 in a communication way, wherein the automatic control component 5 comprises a first control unit for controlling the operation of the stirring and mixing component 1 according to the judgment result of the identification, analysis and judgment component 4.
According to the excrement stirring device provided by the embodiment of the invention, the diluent adding part 2 adds diluent into the stirring and mixing part 1, and the stirring and mixing part 1 starts to start so as to be convenient for mixing the sample in the stirring and mixing part with the diluent. The stirring state of the sample and the diluent is monitored through the camera component 3, the identification, analysis and judgment component 4 is in communication connection with the camera component 3, when the camera component 3 detects that the sample and the diluent are fully stirred, the identification, analysis and judgment component 4 sends a judgment signal to the automatic control component 5, and the automatic control component 5 controls the stirring and uniformly mixing component 1 to finish stirring, so that the condition that pathological components are damaged due to over-stirring is avoided, and time waste is avoided; insufficient stirring is also avoided. The excrement stirring device provided by the embodiment of the invention effectively improves the accuracy of sample detection in the subsequent steps.
The automatic control part 5 also comprises a second control unit for controlling the stirring speed of the stirring and mixing part 1. The initial properties (loose stool, soft stool or hard stool) of the sample are obtained by shooting through the camera component 3, the initial properties of the sample are transmitted to the second control unit, and the second control unit controls the stirring speed of the stirring and evenly mixing component 1. For example, when the initial state of the sample is loose stool or soft stool, the second control unit controls the kneading member 1 to stir at a lower speed, and when the initial state of the sample is hard stool, the second control unit controls the kneading member 1 to stir at a higher speed. When the initial property of the sample is loose stool or soft stool, the sample has softer texture and small stirring force, and the pathological components in the sample can be damaged by excessive stirring force, so that the stirring and uniformly mixing part 1 can stir at a lower speed; and when the initial character of sample is hard just, its texture is harder, and the dynamics that needs the stirring is big to accelerate the mixture of sample and diluent, consequently, stirring mixing part 1 stirs with higher speed.
The automatic control unit 5 may be connected to the dilution unit 2 in a communication manner, and the dilution unit 2 is controlled by the automatic control unit 5 to perform the dilution addition operation and the dilution amount control.
Preferably, in the stool stirring device according to the embodiment of the present invention, the stirring and mixing unit 1 includes: a mixing mechanism that is used for sample collection storage and dilutes filterable sample pipe and is used for the stirring, mixing mechanism is located the sample pipe and can rotate for the sample pipe. The sample tube is stirred by the rotation of the blending mechanism. The sample tube can be arranged only, and the mixing operation of the sample and the diluent can be realized through the vibration or rotation of the sample tube.
The imaging unit 3 may be provided on the side surface of the sample tube, but a state in which the sample is blocked by the kneading mechanism and cannot be imaged by the imaging unit 3 inevitably occurs in the process of the rotation of the kneading mechanism. Therefore, in order to avoid this, in the present embodiment, the imaging part 3 is provided at the bottom of the sample tube.
When the sample tube is a transparent tube, the imaging element 3 may be disposed outside the sample tube. The image pickup device 3 may be provided in a waterproof structure so as to be located inside the sample tube.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (11)
1. A stool stirring control method is characterized by comprising the following steps:
1) sending out a starting detection signal;
2) adding a diluent to the sample according to the start detection signal;
3) stirring the sample added with the diluent;
4) monitoring the stirring state of the sample;
5) judging the monitoring result, entering the step 3 when the stirring is insufficient, and entering the next step when the stirring is sufficient;
6) the stirring was terminated.
2. The stool mixing control method according to claim 1, further comprising a step 12) of performing initial property detection on the sample between the step 1) and the step 2);
in the step 3), selecting a preset stirring speed according to the initial character monitoring result of the sample in the step 12):
when the initial character monitoring result of the sample is loose stool or soft stool, the preset stirring speed is a first stirring speed; when the initial character monitoring result of the sample is hard stool, the preset stirring speed is a second stirring speed; the first stirring speed is less than the second stirring speed.
3. The stool stirring control method according to claim 2, wherein the step 4) is specifically: after a predetermined stirring time, the stirring state is detected.
4. The stool mixing control method according to claim 3, wherein in the step 4), when the initial property monitoring result of the sample is loose stool or soft stool, the predetermined mixing time is a first mixing time; when the initial character monitoring result of the sample is hard stool, the preset stirring time is a second stirring time; the first stirring time is less than the second stirring time.
5. The stool stirring control method according to claim 1, wherein the step 4) is specifically: and monitoring the stirring state in real time.
6. A stool mixing control method according to any one of claims 1 to 5, wherein the step 4) is specifically: and monitoring the stirring state of the sample, and adjusting the stirring speed according to the proportion of the sample not dissolved in the diluent, wherein the sample not dissolved in the diluent is in direct proportion to the stirring speed.
7. The stool mixing control method according to claim 1, wherein in the step 3), the mixing speed is gradually increased until a predetermined speed is reached and then the sample to which the diluent is added is mixed at a constant speed while the sample is being mixed.
8. A stool mixing device, comprising:
a stirring and mixing part (1) for stirring the sample and the diluent;
a diluent adding part (2) which is connected with the stirring and uniformly mixing part (1) and is used for adding diluent into the stirring and uniformly mixing part;
the camera shooting component (3) is used for monitoring the stirring state in the stirring and blending component (1);
a recognition analysis judging part (4) which is connected with the camera part (3) in a communication way and is used for judging whether the stirring is sufficient;
and the automatic control component (5) is in communication connection with the recognition analysis judgment component (4) and the stirring and mixing component (1), and comprises a first control unit for controlling the operation of the stirring and mixing component (1) according to the judgment result of the recognition analysis judgment component (4).
9. A stool agitator according to claim 8, wherein the automatic control unit (5) further includes a second control unit for controlling the agitating speed of the agitating and mixing unit (1).
10. A stool agitator according to claim 8, wherein the agitation and mixing part (1) comprises: a mixing mechanism that is used for sample collection storage and dilutes filterable sample pipe and is used for the stirring, mixing mechanism is located in the sample pipe and can for the sample pipe rotates.
11. A stool agitator according to claim 10, wherein the camera member (3) is provided at the bottom of the sample tube.
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| CN201510270340.0A CN104833565B (en) | 2015-05-25 | 2015-05-25 | Stool kneading control method and stool agitating device |
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| CN201510270340.0A CN104833565B (en) | 2015-05-25 | 2015-05-25 | Stool kneading control method and stool agitating device |
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| CN111715126A (en) * | 2020-06-19 | 2020-09-29 | 珠海格力智能装备有限公司 | Control method and control device for preparation device of urea solution for vehicle and processor |
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| CN109395625A (en) * | 2017-08-16 | 2019-03-01 | 北京普利生仪器有限公司 | A kind of stirring means and mechanism, vitro detection equipment of reaction solution |
| CN109395625B (en) * | 2017-08-16 | 2022-03-29 | 北京普利生仪器有限公司 | Reaction liquid stirring method and mechanism and in-vitro detection equipment |
| CN111715126A (en) * | 2020-06-19 | 2020-09-29 | 珠海格力智能装备有限公司 | Control method and control device for preparation device of urea solution for vehicle and processor |
| CN111715126B (en) * | 2020-06-19 | 2022-10-28 | 珠海格力智能装备有限公司 | Control method and control device of preparation device of urea solution for vehicle and processor |
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