CN200986556Y - Test cup turnplate device and working electrode self-rotating full-automatic microelement analyzer - Google Patents
Test cup turnplate device and working electrode self-rotating full-automatic microelement analyzer Download PDFInfo
- Publication number
- CN200986556Y CN200986556Y CN 200620135237 CN200620135237U CN200986556Y CN 200986556 Y CN200986556 Y CN 200986556Y CN 200620135237 CN200620135237 CN 200620135237 CN 200620135237 U CN200620135237 U CN 200620135237U CN 200986556 Y CN200986556 Y CN 200986556Y
- Authority
- CN
- China
- Prior art keywords
- electrode
- rotating disk
- sample
- sampling probe
- working electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
The utility model discloses a test cup rotary table device and a working electrode self-rotating fully-automatic trace element analyzer. The rotary table of the test cup rotary table device is arranged on a frame and connected with a rotary table motor through a transmission device, and the rotary table is rotated in a vertical plane. The circumference of the rotary table is evenly provided with a certain number of fixing sleeves, each fixing sleeve is provided with a test cup, and an elastic clamp or an elastic ring is arranged between the fixing sleeve and each corresponding test cup. The working electrode self-rotating fully-automatic trace element analyzer includes the test cup rotary table device, an electrode device, a sample disc, an automatic sample feeding device, a base solution or activated liquid injecting device, a cleaning device and a computer control device. The working electrode is connected with the working electrode rotation motor through the transmission device. The utility model integrates mechanical properties and electric properties, and is enabled with functions of automatic sample feeding, automatic activated liquid injecting, automatic measuring, automatic recording, automatic test cup cleaning and automatic test cup drying. The detection process is completely automated, and the utility model is characterized in novel design, high measuring precision and good economic benefit.
Description
(1), technical field: the utility model relates to a kind of electrochemical analyser, particularly relates to a kind of rotating-table apparatus of testing cup and working electrode rotation type automatic microelement analyzer.
(2), background technology: China is to use trace element ancient country with the longest history, traditional Chinese medicine uses stone, silt, shell and metal to cure the disease and has it long ago, trace element zinc, iron, copper, manganese, chromium are respectively gold, wood, water, the fire of the traditional Chinese medical science, the material base of native five-elements theory; Fast development along with industry, the hazardous trace elements that environmental pollution makes script can not be contacted by the mankind and absorb under field conditions (factors) becomes and is absorbed by the mankind in a large number, thereby harm humans health, therefore detect micro-of crucial importance in the samples such as water, food, environment, soil and biomaterial, country has formulated relevant criterion for this reason, be used to control hazardous trace elements and exceed standard, prevent healthy trace elements with household to reduce simultaneously.
Exactly because the demand that has trace element to detect, just impelled the fast development of electrochemical methods, electrochemical methods comes micronutrient levels in the test sample according to current potential and stripping principle, it have highly sensitive, be subjected to organism to disturb less, detect characteristics such as quick, easy and simple to handle, development is very fast since the eighties, it can be applicable to numerous areas such as medicine, food, environment, clinical medicine, particularly uses quite extensive in clinical medicine.Though electrochemical methods is original early, the electrochemical analytical instrument development is comparatively slow, and initial manual operations is more, the element that can detect is less, and complex steps, labour intensity is big, and accuracy rate is not good enough, progressively developed into semi-automatic microelement analyzer afterwards, but,, also do not break away from artificial fully though alleviated certain labour intensity because of not realizing automatic application of sample, cleaning the test cup automatically, use still very inconveniently, cause it extensively not accepted by the user.
(3), utility model content:
The technical problems to be solved in the utility model is: overcome the defective of prior art, provide a kind of modern design, simple in structure, measuring accuracy is high and can realize the rotating-table apparatus of testing cup and the automatic microelement analyzer of Automatic Control.
The technical solution of the utility model: a kind of rotating-table apparatus of testing cup, contain test cup, rotating disk, gear train, actuating unit and frame, described rotating disk is installed on the frame by rotating shaft and support, and described rotating disk connects with rack-mounted rotary tray motor by gear train, described rotating shaft is horizontally disposed with, described rotating disk is rotated, the test cup of along the circumferential direction uniform installation some on the described rotating disk in vertical plane.
Described test glass holder is contained in the fixed cover, and the outside surface of described fixed cover is fixedlyed connected with described rotating disk, and, be provided with elastic ferrule or elastic ring between described test cup and the described fixed cover, the two is interfixed by being flexible coupling.
Wiper mechanism and air-dry mechanism are installed on the described frame, and described wiper mechanism is a flushing water pump, and the test cup of below washes to forwarding to; Described air-dry mechanism is a blower fan, to forwarding the rear flank to and carrying out air-dry through the test cup that cleans.
The cross sectional shape of described rotating disk is the Contraband type, and described test cup runs through and is fixed on the circumference body wall of described rotating disk, and the end wall of described rotating disk is provided with gear, and the gear of this gear and rotary tray motor connects; The quantity of described test cup is six, or more than six; The rotational positioning of described rotating disk is by code-disc and optocoupler control.
A kind of working electrode rotation type automatic microelement analyzer that contains above-mentioned rotating-table apparatus of testing cup, also contain electrode assembly, sample disc and automatic sample adding device, end liquid or activating solution liquid-adding device, cleaning device, Computer Control Unit, the rotating disk of described rotating-table apparatus of testing cup is installed on the middle dividing plate of frame by rotating shaft and support, described electrode assembly contains electrode and electrode suppor, wherein, electrode suppor is installed on the frame central dividing plate, and by gear train and electrode suppor rotation and elevating mechanism connection, on the arc-spark stand of electrode suppor upper end electrode is installed, described electrode comprises working electrode, contrast electrode, to electrode, electrode suppor is by lifting, rotation is cleaned electrode test sample and electrode, and described working electrode connects by gear train and working electrode rotary electric machine, can rotate; Described sample disc and automatic sample adding device contain sample disc, the sample disc bearing, the sample disc rotary electric machine, sampling probe, the sampling probe support, wherein, the sample disc bearing is installed on the frame central dividing plate of rotating disk one side, the rotation of described sample disc bearing is controlled by the sample disc rotary electric machine, the sampling probe support is installed on the frame central dividing plate, and described sampling probe support rotates by gear train and sampling probe support and elevating mechanism connects, described sampling probe is connected with the wriggling sample suction pump, and the sampling probe support is by lifting, rotation makes sampling probe that the specimen in the sample disc is added in the test cup fixing on the rotating disk; Liquid of the described end or activating solution liquid-adding device contain round rotating disk, peristaltic pump and reagent bottle, wherein, described round rotating disk is installed on the middle dividing plate of frame by rotating shaft, and connect with circle dial rotation motor, the liquid feeding head of some is installed on the described round rotating disk, this liquid feeding head is communicated with the reagent bottle that is placed on the frame bottom by the peristaltic pump that is installed on the frame lower body wall, described round rotating disk joins different end liquid or activating solution in the test cup by rotating, and end liquid is mixed with specimen; Described cleaning device contains the scavenging pump and the service sink of some, and wherein, this service sink is installed on the frame central dividing plate, respectively sampling probe, electrode is cleaned; Described rotating-table apparatus of testing cup, electrode assembly, sample disc and automatic sample adding device, end liquid or activating solution liquid-adding device, cleaning device are all controlled by Computer Control Unit.
Described electrode suppor contains base, lift supporting rod, upper frame, wherein base is installed on the frame central dividing plate, and described base connects with the electrode suppor rotary electric machine by gear drive, realize rotating, its rotational angle is by code-disc and optocoupler control, described lift supporting rod lower end is connected with base with screw by leading screw, the upper end is connected with upper frame, working electrode rotary electric machine and gear train are installed on the described upper frame, described working electrode is installed on the described gear train, can rotate, and contrast electrode also is installed and to electrode on the described upper frame, the electrode suppor lifting motor connects with leading screw, makes lift supporting rod realize lifting; Described contrast electrode is a mercurous chloride electrode, and described working electrode is a glass-carbon electrode, and described is platinum electrode to electrode; Described sampling probe support contains base, lift supporting rod, upper frame, wherein base is installed on the frame central dividing plate, and described base connects with the sampling probe rotary electric machine by gear drive, realize rotating, its rotational angle is controlled by the circuit control gear by code-disc and optocoupler, and described lift supporting rod lower end is connected with base with screw by leading screw, the upper end is connected with upper frame, sampling probe is fixed on the upper frame, and the sampling probe lifting motor connects with leading screw, makes lift supporting rod realize lifting; On the described frame temperature controller is installed, described temperature controller and power supply connect.
Described Computer Control Unit contains computing machine, the serial ports level shifting circuit, circuit for controlling motor, the electrochemical signals sample circuit, power-switching circuit, described computing machine is a master controller, an its RS232 rs 232 serial interface signal converts the Transistor-Transistor Logic level signal to by the serial ports level shifting circuit, this Transistor-Transistor Logic level signal is connected with a certain number of circuit for controlling motor, each circuit for controlling motor is connected with work drive motor or work peristaltic pump respectively again, described computing machine also has a RS232 rs 232 serial interface signal to convert the Transistor-Transistor Logic level signal to by another serial ports level shifting circuit, this Transistor-Transistor Logic level signal is connected with described electrochemical signals sample circuit, described electrochemical signals sample circuit is connected with described electrode with described working electrode rotary electric machine again, and described power-switching circuit provides power supply for each control circuit and each motor.
Described serial ports level shifting circuit adopts photoelectrical coupler that Transistor-Transistor Logic level signal and RS232 rs 232 serial interface signal are changed, isolated; Described circuit for controlling motor adopts microprocessor to receive the positioning signal of described code-disc, the output motor control signal is also passed through the serial ports and the described computing machine communication of this microprocessor, described circuit for controlling motor adopts the Darlington transistor driver that the motor control signal of described microprocessor output is driven, the positioning signal of described code-disc obtains by the described optocoupler of being made up of emitting diode and receiving tube, the emitting diode of described optocoupler links to each other with power supply by divider resistance, the output terminal of described receiving tube links to each other with the I/O port of described microprocessor, realize described rotating disk, described sample disc, described sampling probe support, described electrode suppor, the location of described round rotating disk, described motor control signal contains positive rotaring signal, reverse signal, positioning signal or quantitative signal; Described electrochemical signals sample circuit contains operational amplifier and has the microprocessor of modulus and digital-to-analog conversion, the described microprocessor of modulus and digital-to-analog conversion that has is by its serial ports and described computing machine communication, and the digital signal that described computing machine sends is converted to simulating signal output, this simulating signal is connected electrode with described after described operational amplifier amplifies, the output signal of described contrast electrode is after described operational amplifier amplifies, again through the described microprocessor samples that has modulus and digital-to-analog conversion, handle, send to described computing machine by the described serial ports that has the microprocessor of modulus and digital-to-analog conversion then, this microprocessor that has modulus and a digital-to-analog conversion is controlled the rotation of described working electrode rotary electric machine by its I/O port, and described working electrode is connected with ground; Described power-switching circuit adopts voltage changer to carry out voltage transitions.
Described work drive motor comprises described sample disc rotary electric machine, described rotary tray motor, described sampling probe support rotary electric machine, sampling probe support lifting motor, the electrode suppor lifting motor, described electrode suppor rotary electric machine, described round dial rotation motor and described blower fan, described work peristaltic pump comprises the activating solution peristaltic pump, described flushing water pump, end liquid peristaltic pump, the electrode scavenging pump, sampling probe scavenging pump and described wriggling sample suction pump, the model of described photoelectrical coupler is 6N137 or 4N35 or 4N36 or H11A817, the model of described microprocessor is AT89C2051 or AT89C52 or MC68HC08 or STC12C2052, the model of described Darlington transistor driver is ULN2803A or ULN2003 or ULN2004 or M54562P or M54563, the described model that has the microprocessor of modulus and digital-to-analog conversion is C8051F020 or C8051F021 or C8051F022 or C8051F023, the model of described operational amplifier is OP07 or LMX321 or 741, and the model of described voltage changer is LM7812CT, MC34063, MC78L05CT.
The beneficial effects of the utility model:
1. rotating-table apparatus of testing cup modern design of the present utility model, simple in structure, can realize automation mechanized operation, its rotating disk is installed on the frame by rotating shaft and support, rotating shaft is horizontally disposed with, rotating disk is rotated in vertical plane, the test fluid in the test cup is toppled over automatically, be convenient to clean automatically with air-dry, liquid feeding can also circulate simultaneously, realize continuously, work automatically, significantly reduce the manual procedures, reduce labour intensity.
2. the utility model measuring accuracy height, its sample amount of getting, the end liquid amount of getting are controlled by peristaltic pump, and each quantity of drawing is evenly and accurately, improve measuring accuracy greatly, sample in the test cup and end liquid improve mixability through rotating, stirring in addition, also can improve measuring accuracy greatly; Behind each test process, electrode, sampling probe, test cup through cleaning, significantly reduce the influence of residue to measuring accuracy respectively.
3. working electrode rotation type automatic microelement analyzer of the present utility model integrates machinery, electronics, have automatic application of sample, automatically add end liquid, automatically measure, automatically record, clean functions such as test cup, automatic drying test cup automatically, make the whole robotizations of testing process, the operator only needs the information of detected sample is input in the computing machine, can leave, allow analyser detect automatically, detection finishes, data are kept in the computing machine automatically, the operator can be printed data as required then, has saved operator's hard work process.
4. work such as working electrode rotation type automatic microelement analyzer of the present utility model cleans in the process of specimen simultaneously, dry test cup, multinomial step in the test process is carried out simultaneously, accelerate test speed, improved operator's work efficiency greatly.
5. working electrode rotation type automatic microelement analyzer of the present utility model adopts full-enclosed structure, test with electrode, test cup, all in metal shell, therefore, its anti-electromagnetic interference capability is strong for connecting line.
6. working electrode rotation type automatic microelement analyzer of the present utility model inside is equipped with a radiator valve, can make the analyser temperature inside keep constant, and departure is within ± 2 ℃; Because the electrochemical measurement signal is responsive especially to temperature, 10 ℃ of the every variations of typical temperature, its measuring-signal will change 1 order of magnitude, temperature is the principal element that influences electrochemical measurement signal reproducibility, stability and accuracy, so the utility model has been eliminated the influence of computer temperature variation to measurement result well.
7. working electrode rotation type automatic microelement analyzer of the present utility model uses a computer as master controller, makes that operation interface is abundant, operating process is simple, more convenient to use.
(4), description of drawings:
Fig. 1 is the structural representation of working electrode rotation type automatic microelement analyzer;
Fig. 2 is the vertical view of working electrode rotation type automatic microelement analyzer shown in Figure 1;
Fig. 3 is the partial structurtes enlarged drawing of rotating-table apparatus of testing cup shown in Figure 1;
Fig. 4 is the structure principle chart of electrode assembly shown in Figure 1;
Fig. 5 is the structure principle chart of rotating-table apparatus of testing cup shown in Figure 1;
Fig. 6 is the structure principle chart of sample disc shown in Figure 1 and automatic application of sample control device;
Fig. 7 is the structure principle chart of the end shown in Figure 1 liquid or activating solution liquid-adding device;
Fig. 8 is the computer control system principle of work block diagram of working electrode rotation type automatic microelement analyzer;
Fig. 9 is a working electrode rotation type automatic microelement analyzer circuit for controlling motor synoptic diagram;
Figure 10 is a working electrode rotation type automatic microelement analyzer electrochemical signals sample circuit synoptic diagram;
Figure 11 is a working electrode rotation type automatic microelement analyzer serial ports level shifting circuit synoptic diagram;
Figure 12 is a working electrode rotation type automatic microelement analyzer power-switching circuit synoptic diagram;
Figure 13 is the computer control system workflow diagram of working electrode rotation type automatic microelement analyzer.
(5), embodiment:
Embodiment one: referring to Fig. 1～Figure 13, among the figure, the rotating disk 12 of rotating-table apparatus of testing cup is installed on the dividing plate at frame 2 middle parts by rotating shaft 19 and support 14, rotating shaft 19 is horizontally disposed with, rotating disk 12 is rotated in vertical plane, the cross sectional shape of rotating disk 12 is the Contraband type, circumference body wall and eight test cups 13 of along the circumferential direction uniform installation of running through rotating disk 12 (also can be other quantity, body wall also can be prismatic around it, determine as required), the end wall of rotating disk 12 is provided with gear, the gear of this gear and rotary tray motor 15 connects, baffle plate 17 can change the flow direction of test liquid in the test cup 13, avoid flowing in the next test cup 13, code-disc (not drawing among the figure) is installed on the rotating disk 12, an optocoupler of installing on this code-disc and frame 2 central dividing plates is complementary, optocoupler connects with the circuit of Computer Control Unit, so that the rotational angle and the position of control rotating disk 12.Wiper mechanism and air-dry mechanism are installed on the frame 2, and wiper mechanism can adopt flushing water pump 108, and the test cup 13 of C position, below washes to forwarding to; Air-dry mechanism is a blower fan 109, to forwarding D position, rear flank to and carrying out air-dry through the test cup 13 that cleans; Wiper mechanism and air-dry mechanism are controlled by Computer Control Unit.
Sample disc and automatic sample adding device contain sample disc 6, sample disc bearing 5, sample disc rotary electric machine 4, sampling probe 7, sampling probe support 8, wherein, sample disc bearing 5 is installed on frame 2 central dividing plates of rotating disk 12 1 sides, the rotation of sample disc bearing 5 is by 4 controls of sample disc rotary electric machine, the lower end of sample disc bearing 5 is equipped with code-disc 3, an optocoupler of installing on this code-disc 3 and frame 2 central dividing plates is complementary, optocoupler connects with the circuit of Computer Control Unit, so that the rotational angle of control sample disc bearing 5.Sample disc 6 is placed on the sample disc bearing 5, can place on the sample disc 6 and can put 100 sample cups, sampling probe support 8 contains base 115, lift supporting rod, upper frame, wherein base 115 is installed on frame 2 central dividing plates, and base 115 connects with sampling probe rotary electric machine 116 by gear drive, realize rotating, a code-disc is installed in base 115 lower ends, an optocoupler of installing on this code-disc and frame 2 central dividing plates is complementary, optocoupler connects with the circuit of Computer Control Unit, so that the rotational angle of control sampling probe 7.The lift supporting rod lower end is connected with base 115 with screw by leading screw, the upper end is connected with upper frame, sampling probe is fixed on the upper frame, the sampling probe lifting motor connects with leading screw, make lift supporting rod realize lifting, sampling probe 7 connects with the wriggling sample suction pump, sampling probe support 8 makes sampling probe 7 that the specimen in the sample disc 6 is added in the test cup 13 fixing on the rotating disk 12 by lifting, rotation, 111 is service sink, sampling probe 7 behind the application of sample inserts in the service sink 111, and the distilled water of throwing into by sampling probe scavenging pump 208 cleans.
End liquid or activating solution liquid-adding device contain round rotating disk 118, peristaltic pump 121 and reagent bottle 120, wherein, justifying rotating disk 118 is installed on the dividing plate of frame 2 centres by rotating shaft, and connect with circle dial rotation motor 119, the liquid feeding head 117 (also can adopt the version of a liquid feeding head and a plurality of arms) of some is installed on the circle rotating disk 118, this liquid feeding head 117 is communicated with (the two is corresponding one by one) by the peristaltic pump 121 that is installed on the frame 2 bottom body walls with the reagent bottle 120 that is placed on frame 2 bottoms, circle rotating disk 118 joins different end liquid or activating solution in the test cup 13 by rotating, and end liquid or activating solution are mixed with specimen.Add end liquid or activating solution and sample liquid in diagram A position.During work, in test cup 13, add activating solution earlier, electrode is activated, and then add end liquid and sample, carry out sample test.
The electrode suppor 9 of electrode assembly contains base 106, lift supporting rod, upper frame 10, wherein base 106 is installed on frame 2 central dividing plates, and base 106 connects with electrode suppor rotary electric machine 107 by gear drive, realize rotating, a code-disc is installed in base 106 lower ends, an optocoupler of installing on this code-disc and frame 2 central dividing plates is complementary, and optocoupler connects with the circuit of Computer Control Unit, so that the rotational angle of control electrode support 9.The lift supporting rod lower end is connected with base 106 with screw by leading screw, the upper end is connected with upper frame 10, working electrode rotary electric machine 101 and gear train 102 are installed on the upper frame 10, and working electrode 104 is installed on the gear train 102, can rotate, be used for stirring the end liquid and the sample of test cup 13, and contrast electrode 103 is installed also on the upper frame 10 and to electrode 105, wherein, contrast electrode 103 is a mercurous chloride electrode, working electrode 104 is a glass-carbon electrode, is platinum electrode to electrode 105; The electrode suppor lifting motor connects with leading screw, makes lift supporting rod realize lifting, and electrode suppor 9 cleans electrode test sample and electrode by lifting, rotation.Measure in diagram B position.Cleaning device contains the scavenging pump and the service sink 111 of some, and wherein, service sink 111 is installed on frame 2 central dividing plates, respectively sampling probe 7, electrode is cleaned; Rotating-table apparatus of testing cup, electrode assembly, sample disc and automatic sample adding device, end liquid or activating solution liquid-adding device, cleaning device are all controlled by Computer Control Unit.
Computer Control Unit contains computing machine, the serial ports level shifting circuit, circuit for controlling motor, the electrochemical signals sample circuit, power-switching circuit, computing machine is a master controller, an its RS232 rs 232 serial interface signal converts the Transistor-Transistor Logic level signal to by a serial ports level shifting circuit, this Transistor-Transistor Logic level signal is connected with a certain number of circuit for controlling motor, each circuit for controlling motor more respectively with sample disc rotary electric machine 4, rotary tray motor 15, sampling probe support rotary electric machine 116, sampling probe support lifting motor, the electrode suppor lifting motor, electrode suppor rotary electric machine 107, circle dial rotation motor 119, the activating solution peristaltic pump, flushing water pump 108, end liquid peristaltic pump, the electrode scavenging pump, sampling probe scavenging pump 208, the wriggling sample suction pump is connected with blower fan 109, realize various rotations and lifting, computing machine also has a RS232 rs 232 serial interface signal to convert the Transistor-Transistor Logic level signal to by another serial ports level shifting circuit, this Transistor-Transistor Logic level signal is connected with the electrochemical signals sample circuit, the electrochemical signals sample circuit again with working electrode 104, contrast electrode 103, electrode 105 is connected with test cup rotary electric machine 11, and power-switching circuit provides power supply for each control circuit and each motor.
The serial ports level shifting circuit adopts photoelectrical coupler U62 and U63 that Transistor-Transistor Logic level signal and RS232 rs 232 serial interface signal are changed, isolated; Circuit for controlling motor adopts microprocessor U23 to receive the positioning signal of code-disc, the output motor control signal, and serial ports and computing machine communication by microprocessor U23, circuit for controlling motor adopts Darlington transistor driver U21 and U22 that the motor control signal that microprocessor U23 exports is driven, the positioning signal of code-disc obtains by the optocoupler of being made up of emitting diode D21 and receiving tube Q21, the emitting diode D21 of optocoupler links to each other with power supply by divider resistance R22, the output terminal of receiving tube Q21 links to each other with the 6th pin of microprocessor U23, realize rotating disk 12, sample disc 6, sampling probe support 8, electrode suppor 9, the location of circle rotating disk 118, the motor control signal of circuit for controlling motor output contains positive rotaring signal S1, reverse signal S2, positioning signal S3 or quantitative signal S4; The electrochemical signals sample circuit contains operational amplifier U44, U45 and the microprocessor U41 that has modulus and digital-to-analog conversion, the microprocessor U41 that has modulus and digital-to-analog conversion carries out communication by its serial ports and computing machine, and the digital signal that computing machine sends is converted to simulating signal output, this simulating signal after operational amplifier U45 amplifies with electrode 105 is connected, the output signal of contrast electrode 103 is after operational amplifier U44 amplifies, again through having the microprocessor U41 sampling of modulus and digital-to-analog conversion, handle, and then the serial ports of the microprocessor U41 by having modulus and digital-to-analog conversion sends to computing machine, have the rotation of the microprocessor U41 of modulus and digital-to-analog conversion by its I/O port Control work electrode rotary electric machine 101, working electrode 104 is connected with ground; Power-switching circuit adopts voltage changer U2, U4 and U7 to carry out voltage transitions.
The model of photoelectrical coupler U62 and U63 is 6N137, the model of microprocessor U23 is AT89C2051, the model of Darlington transistor driver U22 is M54562P, the model of Darlington transistor driver U21 is ULN2803A, the model that has the microprocessor U41 of modulus and digital-to-analog conversion is C8051F020, the model of operational amplifier U45 and U46 is OP07, and the model of voltage changer U4, U2 and U7 is LM7812CT, MC34063 and MC78L05CT.
Temperature controller (not drawing among the figure) is installed on the frame 2, and temperature controller and power supply connect, and keep the temperature constant of analyser.
The control procedure of computing machine is as follows:
A. each control circuit is sent initialization directive, make each several part mechanism and parts be in standby condition.
B. control electrode support lifting motor, electrode suppor rotary electric machine 107 and activating solution peristaltic pump are controlled the electrochemical signals sample circuit again, and electrode is activated.
C. controlling rotary tray motor 15 moves a step rotating disk 12 commentaries on classics.
D. control wriggling sample suction pump, sampling probe rotary electric machine 116 and sampling probe lifting motor suck test solution in the test cup 13, and control end liquid peristaltic pump sucks end liquid in the test cup 13.
E. controlling rotary tray motor 15 moves a step rotating disk 12 commentaries on classics.
F. control electrode support lifting motor or rotary electric machine 107 are controlled the electrochemical signals sample circuit again fluid to be measured are stirred and tests with working electrode 104, contrast electrode 103, electrode 105 is inserted in the test cup 13.
H. inquire about the electrochemical signals sample circuit and whether tested and finish, finish, read in the result who records in the computing machine and preserve, so just finished the test of a sample as test.
I. control sampling probe scavenging pump 208, sampling probe rotary electric machine 116 and sampling probe lifting motor and clean sampling probe 7, control electrode scavenging pump, electrode suppor rotary electric machine 107 and electrode suppor lifting motor come cleaning electrode.
J. judge whether that all samples test, as do not have, change the test that step c proceeds next sample over to, test, promptly finish test as all samples.
Embodiment two: present embodiment and embodiment one are basic identical, something in common does not repeat, difference is: each test cup all is sleeved in the fixed cover, and, be provided with elastic ferrule or elastic ring between test cup and the fixed cover, the two is interfixed by being flexible coupling, and the outside surface of fixed cover is fixedlyed connected with described rotating disk.The outer rim of this elastic ferrule or elastic ring fixes in the groove that is provided with on the fixed cover inwall, and perhaps this elastic ferrule or Dan Quan Clip are solid between test cup and fixed cover, and its fixed form is determined according to actual needs.
Change the version of rotating disk, the control mode or the like that changes the connected mode of test cup and rotating disk and change the rotational angle of each rotatable parts can be formed a plurality of embodiment, all belongs to common variation range of the present utility model, do not describe in detail one by one at this.
Claims (9)
1, a kind of rotating-table apparatus of testing cup, contain test cup, rotating disk, gear train, actuating unit and frame, it is characterized in that: described rotating disk is installed on the frame by rotating shaft and support, and described rotating disk connects with rack-mounted rotary tray motor by gear train, described rotating shaft is horizontally disposed with, described rotating disk is rotated, the test cup of along the circumferential direction uniform installation some on the described rotating disk in vertical plane.
2, rotating-table apparatus of testing cup according to claim 1, it is characterized in that: described test glass holder is contained in the fixed cover, the outside surface of described fixed cover is fixedlyed connected with described rotating disk, and, be provided with elastic ferrule or elastic ring between described test cup and the described fixed cover, the two is interfixed by being flexible coupling.
3, rotating-table apparatus of testing cup according to claim 1 and 2 is characterized in that: wiper mechanism and air-dry mechanism are installed on the described frame, and described wiper mechanism is a flushing water pump, and the test cup of below washes to forwarding to; Described air-dry mechanism is a blower fan, to forwarding the rear flank to and carrying out air-dry through the test cup that cleans.
4, rotating-table apparatus of testing cup according to claim 1 and 2, it is characterized in that: the cross sectional shape of described rotating disk is the Contraband type, described test cup runs through and is fixed on the circumference body wall of described rotating disk, and the end wall of described rotating disk is provided with gear, and the gear of this gear and rotary tray motor connects; The quantity of described test cup is six, or more than six; The rotational positioning of described rotating disk is by code-disc and optocoupler control.
5, a kind of working electrode rotation type automatic microelement analyzer that contains the described rotating-table apparatus of testing cup of claim 1, also contain electrode assembly, sample disc and automatic sample adding device, end liquid or activating solution liquid-adding device, cleaning device, Computer Control Unit, it is characterized in that: the rotating disk of described rotating-table apparatus of testing cup is installed on the middle dividing plate of frame by rotating shaft and support, described electrode assembly contains electrode and electrode suppor, wherein, electrode suppor is installed on the frame central dividing plate, and by gear train and electrode suppor rotation and elevating mechanism connection, on the arc-spark stand of electrode suppor upper end electrode is installed, described electrode comprises working electrode, contrast electrode, to electrode, electrode suppor is by lifting, rotation is cleaned electrode test sample and electrode, and described working electrode connects by gear train and working electrode rotary electric machine, can rotate; Described sample disc and automatic sample adding device contain sample disc, the sample disc bearing, the sample disc rotary electric machine, sampling probe, the sampling probe support, wherein, the sample disc bearing is installed on the frame central dividing plate of rotating disk one side, the rotation of described sample disc bearing is controlled by the sample disc rotary electric machine, the sampling probe support is installed on the frame central dividing plate, and described sampling probe support rotates by gear train and sampling probe support and elevating mechanism connects, described sampling probe is connected with the wriggling sample suction pump, and the sampling probe support is by lifting, rotation makes sampling probe that the specimen in the sample disc is added in the test cup fixing on the rotating disk; Liquid of the described end or activating solution liquid-adding device contain round rotating disk, peristaltic pump and reagent bottle, wherein, described round rotating disk is installed on the middle dividing plate of frame by rotating shaft, and connect with circle dial rotation motor, the liquid feeding head of some is installed on the described round rotating disk, this liquid feeding head is communicated with the reagent bottle that is placed on the frame bottom by the peristaltic pump that is installed on the frame lower body wall, described round rotating disk joins different end liquid or activating solution in the test cup by rotating, and end liquid is mixed with specimen; Described cleaning device contains the scavenging pump and the service sink of some, and wherein, this service sink is installed on the frame central dividing plate, respectively sampling probe, electrode is cleaned; Described rotating-table apparatus of testing cup, electrode assembly, sample disc and automatic sample adding device, end liquid or activating solution liquid-adding device, cleaning device are all controlled by Computer Control Unit.
6, working electrode rotation type automatic microelement analyzer according to claim 5, it is characterized in that: described electrode suppor contains base, lift supporting rod, upper frame, wherein base is installed on the frame central dividing plate, and described base connects with the electrode suppor rotary electric machine by gear drive, realize rotating, its rotational angle is by code-disc and optocoupler control, described lift supporting rod lower end is connected with base with screw by leading screw, the upper end is connected with upper frame, working electrode rotary electric machine and gear train are installed on the described upper frame, described working electrode is installed on the described gear train, can rotate, and contrast electrode is installed also on the described upper frame and to electrode, the electrode suppor lifting motor connects with leading screw, makes lift supporting rod realize lifting; Described contrast electrode is a mercurous chloride electrode, and described working electrode is a glass-carbon electrode, and described is platinum electrode to electrode; Described sampling probe support contains base, lift supporting rod, upper frame, wherein base is installed on the frame central dividing plate, and described base connects with the sampling probe rotary electric machine by gear drive, realize rotating, its rotational angle is controlled by the circuit control gear by code-disc and optocoupler, and described lift supporting rod lower end is connected with base with screw by leading screw, the upper end is connected with upper frame, sampling probe is fixed on the upper frame, and the sampling probe lifting motor connects with leading screw, makes lift supporting rod realize lifting; On the described frame temperature controller is installed, described temperature controller and power supply connect.
7, according to claim 5 or 6 described working electrode rotation type automatic microelement analyzers, it is characterized in that: described Computer Control Unit contains computing machine, the serial ports level shifting circuit, circuit for controlling motor, the electrochemical signals sample circuit, power-switching circuit, described computing machine is a master controller, an its RS232 rs 232 serial interface signal converts the Transistor-Transistor Logic level signal to by the serial ports level shifting circuit, this Transistor-Transistor Logic level signal is connected with a certain number of circuit for controlling motor, each circuit for controlling motor is connected with work drive motor or work peristaltic pump respectively again, described computing machine also has a RS232 rs 232 serial interface signal to convert the Transistor-Transistor Logic level signal to by another serial ports level shifting circuit, this Transistor-Transistor Logic level signal is connected with described electrochemical signals sample circuit, described electrochemical signals sample circuit is connected with described electrode with described working electrode rotary electric machine again, and described power-switching circuit provides power supply for each control circuit and each motor.
8, working electrode rotation type automatic microelement analyzer according to claim 7 is characterized in that: described serial ports level shifting circuit adopts photoelectrical coupler that Transistor-Transistor Logic level signal and RS232 rs 232 serial interface signal are changed, isolated; Described circuit for controlling motor adopts microprocessor to receive the positioning signal of described code-disc, the output motor control signal is also passed through the serial ports and the described computing machine communication of this microprocessor, described circuit for controlling motor adopts the Darlington transistor driver that the motor control signal of described microprocessor output is driven, the positioning signal of described code-disc obtains by the described optocoupler of being made up of emitting diode and receiving tube, the emitting diode of described optocoupler links to each other with power supply by divider resistance, the output terminal of described receiving tube links to each other with the I/O port of described microprocessor, realize described rotating disk, described sample disc, described sampling probe support, described electrode suppor, the location of described round rotating disk, described motor control signal contains positive rotaring signal, reverse signal, positioning signal or quantitative signal; Described electrochemical signals sample circuit contains operational amplifier and has the microprocessor of modulus and digital-to-analog conversion, the described microprocessor of modulus and digital-to-analog conversion that has is by its serial ports and described computing machine communication, and the digital signal that described computing machine sends is converted to simulating signal output, this simulating signal is connected electrode with described after described operational amplifier amplifies, the output signal of described contrast electrode is after described operational amplifier amplifies, again through the described microprocessor samples that has modulus and digital-to-analog conversion, handle, send to described computing machine by the described serial ports that has the microprocessor of modulus and digital-to-analog conversion then, this microprocessor that has modulus and a digital-to-analog conversion is controlled the rotation of described working electrode rotary electric machine by its I/O port, and described working electrode is connected with ground; Described power-switching circuit adopts voltage changer to carry out voltage transitions.
9, working electrode rotation type automatic microelement analyzer according to claim 8, it is characterized in that: described work drive motor comprises described sample disc rotary electric machine, described rotary tray motor, described sampling probe support rotary electric machine, sampling probe support lifting motor, the electrode suppor lifting motor, described electrode suppor rotary electric machine, described round dial rotation motor and described blower fan, described work peristaltic pump comprises the activating solution peristaltic pump, described flushing water pump, end liquid peristaltic pump, the electrode scavenging pump, sampling probe scavenging pump and described wriggling sample suction pump, the model of described photoelectrical coupler is 6N137 or 4N35 or 4N36 or H11A817, the model of described microprocessor is AT89C2051 or AT89C52 or MC68HC08 or STC12C2052, the model of described Darlington transistor driver is ULN2803A or ULN2003 or ULN2004 or M54562P or M54563, the described model that has the microprocessor of modulus and digital-to-analog conversion is C8051F020 or C8051F021 or C8051F022 or C8051F023, the model of described operational amplifier is OP07 or LMX321 or 741, and the model of described voltage changer is LM7812CT, MC34063, MC78L05CT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620135237 CN200986556Y (en) | 2006-12-28 | 2006-12-28 | Test cup turnplate device and working electrode self-rotating full-automatic microelement analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620135237 CN200986556Y (en) | 2006-12-28 | 2006-12-28 | Test cup turnplate device and working electrode self-rotating full-automatic microelement analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200986556Y true CN200986556Y (en) | 2007-12-05 |
Family
ID=38916014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620135237 Expired - Lifetime CN200986556Y (en) | 2006-12-28 | 2006-12-28 | Test cup turnplate device and working electrode self-rotating full-automatic microelement analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200986556Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101029898B (en) * | 2006-12-28 | 2011-01-12 | 郑州华芳科贸有限公司 | Rotating-table apparatus of testing cup and automatic microelement analyzer |
| CN108089020A (en) * | 2017-12-14 | 2018-05-29 | 安徽九陆生物科技有限公司 | A kind of automatic microelement analyzer |
| CN112116753A (en) * | 2020-08-31 | 2020-12-22 | 同济大学 | Self-service outpatient service machine |
| CN114923974A (en) * | 2022-07-14 | 2022-08-19 | 深圳中食匠心食品有限公司 | Portable bread heavy metal detection device and detection method thereof |
| CN115291003A (en) * | 2022-07-04 | 2022-11-04 | 上海博取仪器有限公司 | PH electrode automatic checkout device |
| CN117214073A (en) * | 2023-11-08 | 2023-12-12 | 国网辽宁省电力有限公司 | Grounding grid corrosion state test monitoring device based on soil environment analysis |
-
2006
- 2006-12-28 CN CN 200620135237 patent/CN200986556Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101029898B (en) * | 2006-12-28 | 2011-01-12 | 郑州华芳科贸有限公司 | Rotating-table apparatus of testing cup and automatic microelement analyzer |
| CN108089020A (en) * | 2017-12-14 | 2018-05-29 | 安徽九陆生物科技有限公司 | A kind of automatic microelement analyzer |
| CN112116753A (en) * | 2020-08-31 | 2020-12-22 | 同济大学 | Self-service outpatient service machine |
| CN115291003A (en) * | 2022-07-04 | 2022-11-04 | 上海博取仪器有限公司 | PH electrode automatic checkout device |
| CN114923974A (en) * | 2022-07-14 | 2022-08-19 | 深圳中食匠心食品有限公司 | Portable bread heavy metal detection device and detection method thereof |
| CN117214073A (en) * | 2023-11-08 | 2023-12-12 | 国网辽宁省电力有限公司 | Grounding grid corrosion state test monitoring device based on soil environment analysis |
| CN117214073B (en) * | 2023-11-08 | 2024-01-26 | 国网辽宁省电力有限公司 | Grounding grid corrosion state test monitoring device based on soil environment analysis |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101029898B (en) | Rotating-table apparatus of testing cup and automatic microelement analyzer | |
| CN201025481Y (en) | Rotary device and self-rotary fully automatic microelement analyzer for testing cup | |
| CN200986556Y (en) | Test cup turnplate device and working electrode self-rotating full-automatic microelement analyzer | |
| CN101865927A (en) | Novel full-automatic blood type analyzer | |
| CN201382946Y (en) | Novel full-automatic blood analyzer | |
| CN201497691U (en) | Automatic detecting device for closed blood viscosity measurement | |
| WO2018233324A1 (en) | Water quality analyzer and water quality analysis method | |
| CN108663502A (en) | Full-automatic thrombelastogram instrument | |
| CN102680545B (en) | Test instrument for detecting electrolyte item and total carbon dioxide | |
| CN101603968A (en) | The closed automatic detection device of blood rheology measurement | |
| CN205538409U (en) | Dyeing apparatus and take this dyeing apparatus's mascerating machine that dyes | |
| CN110531096B (en) | Full-automatic water quality COD robot analyzer | |
| CN108872078A (en) | A kind of Full-automatic chemiluminescence analyzer | |
| CN201765226U (en) | Dial type direct-reading fully-automatic immune luminescence analysis system | |
| CN212379110U (en) | Biological detection sampling device | |
| CN208795744U (en) | Automatic lmunoassays analyzer | |
| CN109765144A (en) | Viscosity meter mechanism and drilling fluid comprehensive performance intelligent detection and analysis system | |
| CN201096678Y (en) | Automatic mixing device for stool sample | |
| CN106771293A (en) | Automatic clinical chemistry analyzer with allocation unit | |
| CN108089020B (en) | Full-automatic trace element analyzer | |
| CN214270874U (en) | Microbial colony counting determinator | |
| CN201607345U (en) | Sampling turnplate device for sealing liquid bags | |
| CN209821074U (en) | Tester for testing water-soluble acid by colorimetric method | |
| CN216926243U (en) | Automatic positioning jacking control device applied to purging and trapping instrument | |
| CN202230040U (en) | Novel oil fatty acid freezing point testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20071205 Effective date of abandoning: 20061228 |