The utility model content
The technical problems to be solved in the utility model provides a kind of detector that can quantitatively dilute automatically, detect excrement sample, can clean automatically after detection finishes, and avoids polluting.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of automatic detection instrument for excrement sample comprises with the lower part: self-actuated controller; Air mix facilities is used for adding quantitative dilution to excrement sample; Stirring and evenly mixing device is used for the excrement sample stirring and evenly mixing after the dilution; Detecting unit is used for excrement sample is detected; Inhale sample and cleaning device, be connected with described detecting unit, be used to carry excrement sample, and detecting end back cleaning detecting unit and connecting tube to detecting unit by pipeline.
Further, described detecting unit comprises physical detection unit and chemical detection unit.
More preferably, described physical detection unit comprises microscope, be installed in the microscope image pick-up head on the microscope and be positioned at counting chamber on the microscope stage, and described counting chamber is connected with described suction sample and cleaning device pipeline.
Further, described suction sample and cleaning device comprise a suction needle, dilution inlet, and are connected the suction sample peristaltic pump between suction needle and the dilution inlet, and described counting chamber is connected suction needle and inhales between the sample peristaltic pump.
Further, the two ends of described counting chamber respectively are provided with an electromagnetism pinch off valve.
Further, described sample needle is fixed on first crane, and described first crane is by first motor-driven.
Further, described air mix facilities comprises a sample injector that is connected with described dilution inlet, and described sample injector is connected with described suction needle by a retaining valve.
Preferably, described sample injector is the syringe type sample injector.
Further, described sample injector is connected on second crane, and described second crane is by second motor-driven.
Preferably, described chemical detection unit comprises a chemical detection chamber, and described chemical detection chamber also is connected suction needle and inhales between the sample peristaltic pump.
Preferably, described chemical detection unit comprises a chemical detection chamber, and an end of described chemical detection chamber is connected with counting chamber, and the other end is connected with a waste liquid peristaltic pump, and the waste liquid peristaltic pump is connected with a waste liquid pin.
Preferably, be provided with an electromagnetism pinch off valve between described chemical detection chamber and the counting chamber.
Preferably, the below of described first crane is provided with the Riker mount frame.
Further, also comprise one with the relative video frequency pick-up head in described Riker mount frame side.
Further, the top of described video frequency pick-up head is provided with Riker mount identification optoelectronic switch.
Further, described Riker mount frame is installed on the straight line guide rail, and described line slideway is by a step motor drive.
Further, also comprise Riker mount in the described Riker mount frame.
Further, described stirring and evenly mixing device comprises a stirring motor and a rotating sampling spoon, and described sampling spoon is positioned at Riker mount, and when first crane descended, described sample needle inserted in the Riker mount, and described stirring motor is connected with sampling spoon is coaxial.
Preferably, comprise that also a display is connected with described self-actuated controller.
Self-actuated controller in the utility model can be controlled air mix facilities excrement sample is quantitatively diluted automatically, the control stirring and evenly mixing device is with the sample mixing, control suction sample and cleaning device are delivered to detecting unit with sample by pipeline and are detected, and clean detecting unit and connecting tube after detecting end.Whole process comparatively carrying out in the closed pipeline, has reduced the link that contacts with the outside fully, has reduced environment and breadboard pollution, uses computer to control automatically, has improved work efficiency.
Description of drawings
Fig. 1 is that the functional module of the utility model automatic detection instrument for excrement sample is formed synoptic diagram.
Fig. 2 is the pipeline connection diagram of a kind of embodiment of the utility model.
Fig. 3 is the pipeline connection diagram of the another kind of embodiment of the utility model.
Fig. 4 is structural representation of the present utility model (a preceding apparent direction).
Fig. 5 is structural representation of the present utility model (a left apparent direction).
Fig. 6 is a kind of structural representation of Riker mount.
Reference numeral is as follows:
11, sample injector 43, line slideway
12, dilution inlet 44, regular swivel adapter head
13, Riker mount 51, first motor
14, counting chamber 52, second motor
15, chemical detection chamber 53, stepper motor
16, suction needle 54, stirring motor
17, waste liquid pin 61, Riker mount frame
18, inhale sample peristaltic pump 62, Riker mount identification optoelectronic switch
19, waste liquid peristaltic pump 63, video frequency pick-up head
21, first branch pipe tee connection 7, display
22, second branch pipe tee connection 8, microscope
23, the 3rd branch pipe tee connection 81, microscope image pick-up head
24, three-way pipeline electromagnetism pinch off valve 82, microscope stage
32, retaining valve 131, lid
33, electromagnetism pinch off valve 132, perforate
34, electromagnetism pinch off valve 133, rotating shaft
35, electromagnetism pinch off valve 134, sampling spoon
41, first crane 135, screen pack
42, second crane 136, surge chamber
Embodiment
Hereinafter with reference to the accompanying drawings the utility model is described in detail.
At first as shown in Figure 1, the utility model automatic detection instrument for excrement sample comprises self-actuated controller, air mix facilities, stirring and evenly mixing device, detecting unit and several sections such as suction sample and cleaning device; Wherein air mix facilities can add quantitative dilution in excrement sample under the control of self-actuated controller; Stirring and evenly mixing device can be with the excrement sample stirring and evenly mixing after the dilution under the control of self-actuated controller; Detecting unit is used for excrement sample is detected; Inhale sample and cleaning device and be connected with detecting unit, under the control of self-actuated controller, can carry excrement sample to detecting unit by pipeline, and detecting automatic detecting unit and the connecting tube of cleaning in end back, so that detect next time.Wherein above-mentioned detecting unit can comprise physical detection unit and chemical detection unit.Self-actuated controller can be a computer.
As shown in Figure 2, the excrement sample of gathering is put into Riker mount 13, suction needle 16 inserts in the Riker mount 13, sample injector 11 connects dilution inlet 12 by pipeline, between sample injector 11 and dilution inlet 12 the three-way pipeline electromagnetism pinch off valve 24 and first branch pipe tee connection 21 are set, 16 of suction needles pass through one second branch pipe tee connection 22 and link to each other with three-way pipeline electromagnetism pinch off valve 24 with a retaining valve 32.When being communicated with sample injectors 11 and dilution, three-way pipeline electromagnetism pinch off valve 24 enters the mouth 12 the time, can disconnect the pipeline between sample injector 11 and the suction needle 16 simultaneously, sample injector 11 can enter the mouth from dilution and 12 draw quantitative dilution, then, 24 actions of three-way pipeline electromagnetism pinch off valve are switched, disconnect the pipeline between sample injector 11 and the dilution inlet 12, connect the pipeline between sample injector 11 and the suction needle 16 simultaneously, pushing sample injector 11, dilution is injected in the Riker mount 13 through retaining valve 32 and suction needle 16, finishes the quantitative dilution to excrement sample.Above-mentioned dilution inlet 12, three-way pipeline electromagnetism pinch off valve 24, sample injector 11, retaining valve 32 have just constituted air mix facilities with suction needle 16 and connecting tube thereof.
An end of inhaling sample peristaltic pump 18 communicates with dilution inlet 12 by first branch pipe tee connection 21, and the other end is connected with suction needle 16 by the pipeline and second branch pipe tee connection 22, inhales sample and cleaning device thereby constitute.The counting chamber 14 of physical detection unit and the chemical detection chamber 15 of chemical detection unit are connected on suction needle 16 and inhale between the sample peristaltic pump 18.When inhaling sample peristaltic pump 18 and just changeing, specimen fluids by suction needle 16 from Riker mount 13 sucking-off and enter counting chamber 14 and chemical detection chamber 15 in so that carry out physics, chemical detection.Respectively be provided with an electromagnetism pinch off valve 33,34 at the two ends of counting chamber 14, when they are closed, the specimen fluids in the counting chamber settled out as early as possible, be convenient to observe and count at microscopically; When recoil Cleaning count pond, electromagnetism pinch off valve 33,34 is switch repeatedly, can increase manifold pressure, increases developing result simultaneously.After detection finishes, inhale 18 counter-rotatings of sample peristaltic pump, dilution enters along pipeline, and counting chamber 14, chemical detection chamber 15 and suction needle 16 are cleaned, and the waste liquid of cleaning is flowed in the Riker mount 13 by suction needle 16, is convenient to focus on.Because the effect of retaining valve 32 can avoid waste liquid to flow in the dilution tunnel, pollutes.
Fig. 3 is another kind of embodiment of the present utility model, different with Fig. 2 is, chemical detection chamber 15 is not together to be connected on counting chamber 14 to inhale in sample and the detergent line, one end of chemical detection chamber 15 is connected with counting chamber 14 with the 3rd branch pipe tee connection 23 by electromagnetism pinch off valve 35, the other end is connected with a waste liquid peristaltic pump 19, waste liquid peristaltic pump 19 is connected with a waste liquid pin 17, and waste liquid pin 17 also inserts in the Riker mount 13.When electromagnetism pinch off valve 35 cuts out, specimen fluids only enters carries out physical detection in the counting chamber 14, carry out chemical detection if desired, close at electromagnetism pinch off valve 33, and under the situation that electromagnetism pinch off valve 34,35 is opened, unlatching suction sample peristaltic pump 18 and waste liquid peristaltic pump 19 can be sent into specimen fluids again and carry out chemical detection in the chemical detection chamber 15.Chemical detection chamber 15 can add the test strips of being with template, and sample adds in the test strips automatically.Detection finishes, and continues to open and inhales sample peristaltic pump 18 and waste liquid peristaltic pump 19, with dilution counting chamber 14 and chemical detection chamber 15 is cleaned, and waste liquid is entered in the Riker mount 13 by waste liquid pin 17, and then opens electromagnetism pinch off valve 33, and suction needle 16 is also cleaned.Suction sample peristaltic pump 18 is just changeing can finish the function that sample is sucked counting chamber 14, and the cleaning to counting chamber 14, chemical detection chamber 15 pipelines is finished in its counter-rotating, and its working time and rotating speed are adjustable.
As shown in Figure 6, a lid 131 can be arranged on the Riker mount 13, lid 131 is provided with perforate 132, so that suction needle 16, waste liquid pin 17 inserts; Also be provided with a rotating shaft 133 on the lid 131, rotating shaft 133 can freely be rotated with respect to lid, the upper end of rotating shaft 133 can be connected with motor, the lower end connects a sampling spoon 134, sampling spoon 134 can be used to gather excrement sample, after putting into Riker mount and adding dilution, when driven by motor rotating shaft 133 was rotated, sampling spoon 134 can play the effect of stirring and evenly mixing again.Riker mount 13 is provided with a screen pack 135, and screen pack 135 is epicoele and cavity of resorption with separated by spaces in the box, and cavity of resorption is a surge chamber 136, and suction needle 16 can insert the specimen fluids of drawing in the surge chamber 136 after filtering.
As Fig. 4, shown in Figure 5, the utility model also comprises one first crane 41, and suction needle 16, waste liquid pin 17 and a regular swivel adapter head 44 all are installed on first crane 41, and regular swivel adapter head 44 links to each other with stirring motor 54.First crane 41 is driven by first motor 51, its effect is to drive regular swivel adapter head 44, suction needle 16,17 liftings of waste liquid pin, the first makes suction needle 16 and waste liquid pin 17 insert Riker mount 13 and enters the working position of design, it two is that regular swivel adapter head 44 is engaged with the rotating shaft that Riker mount covers, rotate so that drive sampling spoon 134, carry out stirring and evenly mixing by stirring motor 54.Thereby stirring motor 54 and sampling spoon 134 constitute stirring and evenly mixing device.
Sample injector 11 adopts the syringe type sample injector.The pintle of sample injector 11 is connected on second crane 42, drives pintle by second crane 42 and is drawn out and pushes, thereby dilution is sucked and gets.Second crane 42 is driven by second motor 52.Second motor 52 is spacing by optoelectronic switch control operation.
Riker mount 13 is placed on the Riker mount frame 61, and Riker mount frame 61 is equivalent to test tube rack, is positioned at the below of first crane 41, can hold a plurality of Riker mounts 13.Riker mount frame 61 is placed on the straight line guide rail 43, and line slideway 43 is driven by stepper motor 53.These line slideway 43 fixing Riker mount framves 61 that also can drive move, and the distance of its number of run and each run has strict requirement, according to the programmed control operation, and the optoelectronic switch checking location is arranged.
One video frequency pick-up head 63 be installed in Riker mount frame 61 near, relative with Riker mount frame 61 sides, be connected the duty that can be used to observe the sample dilution, stirs, the shape and the color of observing sample simultaneously with self-actuated controller (computer).The top of video frequency pick-up head 63 is provided with Riker mount identification optoelectronic switch 62, and the position facing to the sample lid is used to discern Riker mount.When line slideway 43 drove 61 operations of Riker mount frame, these Riker mount identification optoelectronic switch 62 work scanned the quantity and the position of Riker mount on Riker mount frame 61 that have or not Riker mount, Riker mount on the Riker mount frame 61.This instrument is then operated automatically according to the scan-data that this Riker mount identification optoelectronic switch 62 provides.If Riker mount identification optoelectronic switch 62 does not scan the signal of Riker mount, then needn't carry out next step detecting operation.
Display 7 is connected with self-actuated controller (computer), can carry out procedure operation, and can the display video camera 63 vision signals of gathering.
The physical detection unit comprises microscope 8, is installed in microscope image pick-up head 81 and counting chamber 14 on the microscope, counting chamber 14 is positioned on the microscope stage 82, so that observe, count with microscope, the image of being gathered by microscope image pick-up head 81 is also shown on the display 7.
The utility model in use, connect general supply earlier, Riker mount 13 is put on the Riker mount frame 61, Riker mount frame 61 is pushed in the instrument from Riker mount frame window, and trigger a switch, stepper motor 53 promptly just changes, and drives the operation of line slideway 43 positive dirctions, and the positive dirction operation arrives is just changeing behind the terminal point reverse direction operation immediately.At this moment, 62 work of Riker mount identification optoelectronic switch detect having or not of Riker mount 13 on the Riker mount frame 61, do not detect Riker mount 13, dialog box promptly occurs informing, and Riker mount 13 is put in prompting, proceed next step operation after detecting Riker mount 13.Line slideway 43 stops at the position that makes first suction needle 16, waste liquid pin 17 and regular swivel adapter head 44 on first crane 41 above Riker mount aligning on the Riker mount frame 61.Can observe this moment by the colorimetric on the software, open video frequency pick-up head 63, is used for the optical viewer operation conditions, whether aims at the interface that Riker mount covers as regular swivel adapter head 44.
First motor 51 is just changeing, and drives first crane 41 and moves downwards, and stirring motor 54 rotates at a slow speed simultaneously, and 41 of first cranes drive the design attitude that suction needle 16, waste liquid pin 17 and regular swivel adapter head 44 insert Riker mount 13.The screen pack that suction needle 16 passes Riker mount 13 enters in the surge chamber.Simultaneously, regular swivel adapter head 44 and Riker mount rotating shaft engagement.Second motor 52 is just changeing, and it is descending to drive second crane 42, pulls out the pintle of syringe type sample injector 11, and dilution is inhaled into, and this process is the process that sample injector 11 sucks dilution.
In conjunction with Fig. 3, three-way pipeline electromagnetism pinch off valve 24 switches the inner passage afterwards, 52 counter-rotatings of second motor, and second crane 42 is up, dilution adds in the Riker mount 13 by retaining valve 32, second branch pipe tee connection 22 and suction needle 16, finishes being full of of the interior dilution of pipeline.This process is the process that adds dilution in Riker mount.
Then, stirring motor 54 drives regular swivel adapter head 44 and rotates along positive and negative two directions by design rate, drives invisible spectro sampling spoon rotation, finishes designed rotational time, thereby realizes the mixing of sample in the Riker mount 13.
Then, inhale sample peristaltic pump 18 and just changeing, the sample behind the dilution mixing is injected into sample in the counting chamber 14 by suction needle 16, second branch pipe tee connection 22, the 3rd branch pipe tee connection 23, and the specimen fluids that is inhaled into stops at electromagnetism pinch off valve 34 places of back.After inhaling sample and finishing, the electromagnetism pinch off valve 33 and the electromagnetism pinch off valve 34 at counting chamber 14 two ends are closed, and silica gel pipeline folder is closed, and make that sample in the counting chamber 14 is static rapidly to get off, and to make things convenient for microscope it are detected.Counting chamber 14 and inhale connecting tube long enough between the sample peristaltic pump 18, so, unlikely sample is drawn in the dilution through inhaling sample peristaltic pump 18.This process is for being injected in the counting chamber 14 through the specimen fluids of dilution mixing, with to be detected.
At this moment, stirring motor 54 is out of service.Afterwards, software shows opens the microscopy prompting, and after operating personnel clicked this button, microscope was started working in the instrument.The microscope image pick-up head sends to the display of computer with the microscopy image, observed a visual field and input result after, operating personnel can operate by software keys, click " hand sampling " button.Inhaling sample peristaltic pump 18 is just changeing, electromagnetism pinch off valve 33 and electromagnetism pinch off valve 34 are opened, specimen fluids is sucked on a small quantity, after operation this time only continues a second, it is out of service to inhale sample peristaltic pump 18, electromagnetism pinch off valve 33 and electromagnetism pinch off valve 34 are closed again, folder stopped pipe road, and operating personnel carry out the typing of microscopy observations again.Said process can carry out four times at most, and moving of operating personnel's may command microscope stage reaches the purpose in the conversion visual field.Above-mentioned is the microscopy process of specimen fluids.
After finishing microscopy, wait some necessary chemical detection, then also need specimen fluids is carried out chemical detection if there is requirement that patient specimen is occulted blood on the laboratory test report.Operating personnel click software " chemical detection " button.Afterwards, electromagnetism pinch off valve 34 is opened, and electromagnetism pinch off valve 33 cuts out, and inhales 18 counter-rotatings of sample peristaltic pump, and specimen fluids by counting chamber 14, the 3rd branch pipe tee connection 23, is sent to 15 places, chemical detection chamber at last.This moment, operating personnel added window place adding test strips template in instrument front panel test strips template, clicked " chemical detection " button once more, inhaled 18 counter-rotatings of sample peristaltic pump, specimen fluids adds in the test strips template, take out template, wait for observations, this operation can be carried out four times.
Finish after microscopy and the chemical detection operating personnel by " printing " key after, instrument enters cleaning procedure.At first clean the chemical detection pipeline, inhale 18 counter-rotatings of sample peristaltic pump, dilution cleans by first branch pipe tee connection 21, suction sample peristaltic pump 18, counting chamber 14, the 3rd branch pipe tee connection 23, chemical detection chamber 15, waste liquid peristaltic pump 19 is just changeing simultaneously, and waste liquid is discharged in the Riker mount 13 by chemical detection chamber 15, waste liquid peristaltic pump 19, waste liquid pin 17.
After cleaning finishes, waste liquid peristaltic pump 19 quits work, inhaling sample peristaltic pump 18 is just changeing, dilution in emptying chemical detection chamber 15, the 3rd branch pipe tee connection 23, afterwards, electromagnetism pinch off valve 35 cuts out, folder stopped pipe road, inhale 18 counter-rotatings of sample peristaltic pump, dilution is drained in the Riker mount 13 by pipeline first branch pipe tee connection 21, suction sample peristaltic pump 18, counting chamber 14, the 3rd branch pipe tee connection 23, second branch pipe tee connection 22, suction needle 16, simultaneously counting chamber 14 is cleaned.In this process, if operation exception, the warning dialog box will appear in instrument automatically.In this process, electromagnetism pinch off valve 33 and 34 every work one second quit work half second, opened and closed repeatedly, and the pressure with in the method increasing pipe blow-through increases cleaning performance.
Said process is to the detection of a Riker mount with to the cleaning process of instrument.
After cleaning is finished, the first upwards operation of crane 41, after putting in place, syringe type sample injector 11 sucks dilution once more, the signal framing that line slideway 43 is imported according to Riker mount identification optoelectronic switch 62 arrives the position of next Riker mount, and next sample is carried out identical operations.Instrument behind all sample end of operations of a Riker mount frame 61 is run to design attitude with Riker mount frame 61, enter holding state, and print examining report.
If there is not to carry out the project of chemical detection on the laboratory test report, after the typing of operating personnel's microscopy is finished, can directly press " printing " key, instrument just enters the cleaning procedure to counting chamber 14, and operation afterwards is constant.
The running of motor and the duration of runs, rotation direction are controlled by software in the utility model, and used circuit theory is a known technology.