Intelligent electronic pipette capable of measuring ph value

Abstract

The utility model discloses an intelligent electronic pipette capable of measuring a ph value, which comprises a base, an intelligent gun seat is fixedly mounted at the top of the base, a rotating chassis is fixedly arranged on one side of the intelligent gun seat, two gun grooves are formed in the middle of the rotating chassis, and magnetic charging seats are fixedly mounted on the inner side walls of the two gun grooves. The intelligent electronic pipette capable of measuring the ph value is characterized in that the pipette body is provided with two magnetic attraction charging seats, the two magnetic attraction charging seats are respectively provided with an electronic pipette body used for liquid taking and pipetting, a second main control circuit board is fixedly installed in the intelligent pipette seat, and a touch control operation screen is fixedly installed on the front face of the intelligent pipette seat. One channel absorbs and discharges a solution through electric control, accurate quantitative solution taking and discharging can be achieved, the other channel is used for detecting the ph value of the taken solution, the ph value of the solution does not need to be detected before an experiment, more labor is saved, more intuition is achieved, the experiment efficiency can be improved, the intelligent gun body structure is adopted, adjustment is flexible, and the practical value is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to experimental pipette technology field, concretely is an intelligent electronic pipette that can measure ph value. BACKGROUND

[0002] Pipette, alias pipette, is a kind of instrument for quantitative transfer liquid, is widely used in biological, chemical teaching experimental field etc.Currently, the essence of common intelligent electronic pipette on market is a piston type straw, utilizes air discharge principle to work, determines the capacity of pipette with the distance of piston sleeve movement, to realize quantitative suction solution, its structure mainly has gun body shell, piston suction mechanism, suction channel and intelligent controller several components compositions.For example, the application number for CN201720907997.8 an intelligent pipette, including gun body and the gun head below gun body, the piston and piston control system are arranged in gun body, piston system includes rudder, controller, rotating sleeve and guide body, the rotation angle of controller control rudder, rotating sleeve is reciprocating rotation by the control of rudder, rotating sleeve is provided with internal thread, the outer surface of guide body is provided with external thread, guide body moves up and down by the rotation of rotating sleeve, piston moves up and down by guide body, piston is controlled by controller to limit the moving distance of rudder rotation angle;The above common type of intelligent electronic pipette has the following deficiencies in actual application:

[0003] In experiment, the ph value of solution is particularly important for the reaction result of experiment, ordinary common pipette does not have the function of ph test, before pipetting, the ph value of solution needs to be detected by experiment personnel in advance using ph test paper, after detection, pipette experiment can be carried out using pipette, the mode of this step operation undoubtedly reduces the efficiency of experiment, and the function of current intelligent pipette is not comprehensive and rich. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an intelligent electronic pipette that can measure ph value to solve the problem of the function of current intelligent pipette not being comprehensive and rich proposed in the above background technology.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: A intelligent electronic pipette gun of ph value measurement, including base, the top of base is fixedly installed with intelligent gun seat, one side of intelligent gun seat is rotationally arranged with rotary base plate, the top of rotary base plate is fixedly arranged with gun column, the surface of gun column is fixedly arranged with a plurality of pipette gun racks, the middle part of pipette gun rack is provided with gun slot, the inner side wall of gun slot is fixedly installed with magnetic suction charging seat, the inside of gun slot is connected with electronic pipette gun body for taking liquid and moving liquid, the inside of intelligent gun seat is fixedly installed with main control circuit board no.

[0006] Preferably, the back of the intelligent gun seat is fixedly installed with a sterilization lamp box, the inner side wall of the sterilization lamp box is fixedly installed with an ultraviolet lamp tube, the top end of the sterilization lamp box is provided with a sterilization slot, and the surface of the main control circuit board no. 2 is fixedly installed with a data storage module, a single-chip microcomputer module no. 1, a Bluetooth module no. 2, a WIFI networking module and a temperature and humidity sensor.

[0007] Preferably, the electronic pipette gun body includes an outer envelope, a pipette barrel is fixedly arranged in the middle of the outer envelope, a liquid taking gun rod is fixedly arranged at the bottom of the pipette barrel, a suction channel and a ph detection channel are arranged in the inner part of the pipette barrel, an electric liquid taking and discharging mechanism for experimental pipetting is fixedly installed in the inner part of the suction channel, a ph detection mechanism for detecting the ph value of the experimental liquid is fixedly installed in the inner part of the ph detection channel, a magnetic suction battery is fixedly installed on one side of the inner wall of the outer envelope, an adjusting mechanism for controlling pipetting is fixedly installed on one side of the outer envelope, a mechanical gun head withdrawal switch and a gun mechanism switch are fixedly installed in the middle of the top end of the outer envelope, and a gun handle liquid taking switch is fixedly installed on one side of the top end of the outer envelope.

[0008] Preferably, the adjusting mechanism includes a control panel, a display, a plurality of setting option buttons and a gun start switch are fixedly installed on the surface of the control panel, a range control knob is fixedly installed on one side of the control panel, a main control circuit board no. 1 is fixedly installed on the inner side of the control panel, the display, the liquid taking switch and the gun withdrawal switch, the range control knob and the plurality of setting option buttons are electrically connected with the main control circuit board no. 1, the main control circuit board no. 1 is electrically connected with the magnetic suction battery, and a single-chip microcomputer module no. 2, a Bluetooth module no. 1, an alarm module and an inclination detection module are fixedly installed on the surface of the main control circuit board no. 1.

[0009] Preferably, the electric liquid taking mechanism comprises a micro stepping motor and a liquid taking gear fixedly installed at the output end of the micro stepping motor, the middle part of the liquid taking channel is slidably provided with a piston rod, the bottom end of the piston rod is fixedly provided with a piston head, one side of the piston rod is fixedly provided with a liquid taking gear rod, one side of the liquid taking gear rod is meshingly connected with one side of the liquid taking gear, and the micro stepping motor is electrically connected with the main control circuit board.

[0010] Preferably, the ph detection mechanism comprises a ph detection sensor, the input port of the ph detection sensor is fixedly installed with a sensing probe, the sensing probe is electrically connected with the ph detection sensor, and the ph detection sensor is electrically connected with the main control circuit board.

[0011] Preferably, the bottom end of the liquid taking gun rod is fixedly provided with a gun head plug-in piece, the outer side of the gun head plug-in piece is sleeved with a disposable liquid taking gun head, and the sensing probe is arranged at the inner side of the gun head plug-in piece.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The intelligent electronic pipette adopts the mode that the gun seat and the double pipette are composed, the gun seat and the pipette communicate with each other through Bluetooth, and during the whole experiment, the experimental time, the use frequency, the gun head replacement frequency and the experimental result and other related data of the pipette can be recorded, the pipette can be controlled through the pipette base or directly through the pipette, the experimental personnel can flexibly check and record the experimental process, the function is comprehensive and rich, and the use is more convenient.

[0014] The pipette body adopts a double-channel design, liquid is taken by an external piston system, one channel can realize accurate quantitative liquid taking and discharging by controlling the solution suction and discharge, and the other channel is used for detecting the ph value of the taken liquid, so that the ph value of the solution does not need to be detected before the experiment, the labor is saved, the process is more intuitive, the efficiency of the experiment is improved, the gun body structure is intelligent, the adjustment is flexible, and the practical value is high. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the intelligent electronic pipette of the utility model;

[0016] Figure 2 It is a structural schematic view of the electronic pipette main body of the utility model;

[0017] Figure 3 It is a front view sectional view of the electronic pipette main body of the utility model;

[0018] Figure 4 It is a front view sectional view of the intelligent gun seat of the utility model;

[0019] Figure 5The utility model discloses a module principle diagram of intelligent electronic pipette gun.

[0020] In the drawing: 1, base; 2, intelligent gun seat; 3, rotary base; 4, touch control operating screen; 5, sterilization light box; 6, electronic pipette gun main body; 61, outer envelope; 62, pipette gun barrel; 63, liquid taking gun rod; 64, gun head plug-in piece; 65, disposable liquid taking gun head; 66, gun handle; 67, range control knob; 68, liquid taking switch; 69, gun withdrawing switch; 610, display; 611, ph detection sensor; 612, main control circuit board one; 613, micro stepping motor; 614, liquid taking gear; 615, liquid taking gear rod; 616, magnetic attraction battery; 617, piston rod; 618, ph detection channel; 619, sensing probe; 620, piston head; 621, suction channel; 7, gun slot; 8, magnetic attraction charging seat; 9, main control circuit board two; 10, sterilization slot; 11, ultraviolet lamp; 12, gun column; 13, pipette gun rack; 14, total power switch. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0022] Please refer to Figures 1-5 The utility model provides a kind of intelligent electronic pipette gun of ph value measurement, including base 1, the top of base 1 is fixedly installed with intelligent gun seat 2, one side of intelligent gun seat 2 is rotationally arranged with rotary base 3, the top of rotary base 3 is fixedly provided with gun column 12, the surface of gun column 12 is fixedly provided with a plurality of pipette gun racks 13, the middle part of pipette gun rack 13 is provided with gun slot 7, the inner side wall of gun slot 7 is fixedly installed with magnetic attraction charging seat 8, the inside of gun slot 7 is connected with the electronic pipette gun main body 6 for liquid taking pipette, main control circuit board two 9 is fixedly installed in the inside of intelligent gun seat 2, touch control operating screen 4 and total power switch 14 are fixedly installed on the front of intelligent gun seat 2, touch control operating screen 4 is electrically connected with main control circuit board two 9;Sterilization light box 5 is fixedly installed on the back of intelligent gun seat 2, ultraviolet lamp 11 is fixedly installed on the inner side wall of sterilization light box 5, sterilization slot 10 is equipped at the top of sterilization light box 5, data storage module, single-chip microcomputer module one, bluetooth module two, WIFI networking module and temperature and humidity sensor are fixedly installed on the surface of main control circuit board two 9

[0023] When using, main control circuit board two 9 is fixedly installed with single-chip microcomputer module, bluetooth module two and WIFI networking module, intelligent gun seat 2 is directly data networking, and experiment personnel can check the use information and experimental data of the intelligent electronic pipette gun through the APP of mobile phone terminal, and main control circuit board two 9 is electrically connected with external power supply through total power switch 14, to be used for closing or opening power supply to pipette gun.

[0024] Refer toFigure 1 、 Figure 2 、 Figure 3 and Figure 5 Further, the electronic pipette body 6 comprises an outer shell 61, a pipette barrel 62 is fixedly arranged in the middle of the outer shell 61, a pipette rod 63 is fixedly arranged at the bottom of the pipette barrel 62, a suction channel 621 and a ph detection channel 618 are arranged in the pipette barrel 62, an electric liquid suction and discharge mechanism for experimental pipetting is fixedly installed in the suction channel 621, a ph detection mechanism for detecting the ph value of the experimental liquid is fixedly installed in the ph detection channel 618, a magnetic battery 616 is fixedly installed on one side of the inner wall of the outer shell 61, an adjusting mechanism for controlling pipetting is fixedly installed on one side of the outer shell 61, a liquid suction switch 68 and a gun withdrawal switch 69 are fixedly installed in the middle of the top end of the outer shell 61, a gun handle 66 is fixedly installed on one side of the top end of the outer shell 61, the adjusting mechanism comprises a control panel, a display 610, a plurality of setting option buttons and a gun start switch are fixedly installed on the surface of the control panel, a range control knob 67 is fixedly installed on one side of the control panel, a main control circuit board one 612 is fixedly installed on the inner side of the control panel, the display 610, the liquid suction switch 68 and the gun withdrawal switch 69, the range control knob 67 and the plurality of setting option buttons are electrically connected with the main control circuit board one 612, the main control circuit board one 612 is electrically connected with the magnetic battery 616, a single-chip microcomputer module two, a Bluetooth module one, an alarm module and an inclination detection module are fixedly installed on the surface of the main control circuit board one 612;

[0025] In use, the surface of the main control circuit board one 612 is fixedly installed with a Bluetooth module one, a single-chip microcomputer control module, an inclination detection module and an alarm module, wherein the Bluetooth module one is signal connected with the Bluetooth module two, for transmitting the use data of the electronic pipette body 6 to the intelligent gun seat 2, realizing the intercommunication networking of data, when the user holds the pipette to deviate and tilt, the inclination detection module will timely alarm through the alarm module to prompt, so as to correct the user's wrong experimental behavior and prevent the corrosive solution from flowing back into the gun barrel.

[0026] Referring to Figure 1 、 Figure 2 and Figure 3 Further, the electric liquid suction and discharge mechanism comprises a micro stepping motor 613 and a liquid suction gear 614 fixedly installed at the output end of the micro stepping motor 613, a piston rod 617 is slidably arranged in the middle of the suction channel 621, a piston head 620 is fixedly arranged at the bottom end of the piston rod 617, a liquid suction gear rod 615 is fixedly arranged on one side of the piston rod 617, one side of the liquid suction gear rod 615 is meshingly connected with one side of the liquid suction gear 614, and the micro stepping motor 613 is electrically connected with the main control circuit board one 612;

[0027] In use, the experimenter sets the liquid taking range through the range control knob 67, presses the liquid taking switch 68, at this time the micro stepping motor 613 works according to the set data, drives the liquid taking gear 614 to rotate, drives the piston rod 617 to slide slowly upwards as a whole through the meshing of the liquid taking gear 614 and the liquid taking gear rod 615, so that the piston head 620 slowly moves upwards in the suction channel 621, at this time, due to the air pressure difference at the bottom of the suction channel 621, the solution in the experimental beaker will be sucked in until the set value is reached, the micro stepping motor 613 will stop working, and the liquid taking is completed. When discharging, the micro stepping motor 613 rotates reversely, the solution is squeezed and discharged through the downward movement of the piston head 620, and the pipetting is completed.

[0028] Referring to Figure 2 , Figure 3 and Figure 5 Further, the ph detection mechanism includes a ph detection sensor 611, the input port of the ph detection sensor 611 is fixedly installed with a sensing probe 619, the sensing probe 619 is electrically connected with the ph detection sensor 611, the ph detection sensor 611 is electrically connected with the main control circuit board one 612, the bottom end of the liquid taking gun rod 63 is fixedly provided with a gun head plug-in part 64, the outside of the gun head plug-in part 64 is sleeved with a disposable liquid taking gun head 65, and the sensing probe 619 is arranged on the inside of the gun head plug-in part 64.

[0029] In use, the disposable liquid taking gun head 65 is directly sleeved on the outside of the gun head plug-in part 64 through plug-in, in the liquid taking process, due to the negative pressure generated in the suction channel 621, the solution in the beaker will enter the disposable liquid taking gun head 65, the solution entering the disposable liquid taking gun head 65 will directly contact the sensing probe 619, the ph data of the solution collected by the sensing probe 619 is transmitted to the ph detection sensor 611, the ph detection sensor 611 converts the collected variable into an electric signal and transmits it to the main control circuit board one 612, and the ph data is directly displayed through the display 610, which is convenient for the experimenter to check.

[0030] In use, the user directly removes the electronic pipette main body 6 from the gun slot 7, sets the disposable liquid taking gun head 65 on the gun head plug-in part 64, then sets the liquid taking range through the range control knob 67, after setting the range, the micro stepping motor 613 reverses, drives the piston rod 617 and the piston head 620 to move downward through the transmission of the liquid taking gear 614 and the liquid taking gear rod 615, thereby discharging the air in the suction channel 621, then the experimenter inserts the bottom end of the disposable liquid taking gun head 65 into the beaker to be pipetted, presses the liquid taking switch 68, at this time the micro stepping motor 613 works according to the set data, drives the liquid taking gear 614 to rotate, drives the piston rod 617 to slide upward through the meshing of the liquid taking gear 614 and the liquid taking gear rod 615, thereby making the piston head 620 slowly move upward in the suction channel 621, at this time the solution in the experimental beaker is sucked in due to the air pressure difference at the bottom of the suction channel 621, until the set value is reached, the micro stepping motor 613 stops working, the liquid taking is completed, the liquid discharging is the same, after the liquid taking is completed, the disposable liquid taking gun head 65 can be directly pulled out for replacement, then the liquid taking gun rod 63 is inserted into the sterilization port of the sterilization lamp box 5, the sterilization lamp box 5 is controlled to work through the touch control operation screen 4, the gun head part of the electronic pipette main body 6 is sterilized, after the outer envelope 61 is close to the gun slot 7, the magnetic charging seat 8 directly charges the magnetic battery 616 through the electromagnetic induction principle, so as to use the pipette next time.

[0031] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A smart electronic pipette with measurable pH, comprising a base (1), characterized in that: The top of the base (1) is fixedly installed with an intelligent gun seat (2), one side of the intelligent gun seat (2) is rotatably provided with a rotating base (3), the top end of the rotating base (3) is fixedly provided with a gun column (12), the surface of the gun column (12) is fixedly provided with a plurality of pipette racks (13), the middle part of the pipette rack (13) is provided with a gun slot (7), the inner side wall of the gun slot (7) is fixedly installed with a magnetic charging seat (8), the inside of the gun slot (7) is clamped and connected with an electronic pipette gun body (6) for taking liquid, the inside of the intelligent gun seat (2) is fixedly installed with a main control circuit board two (9), the front of the intelligent gun seat (2) is fixedly installed with a touch operation screen (4) and a total power switch (14), the touch operation screen (4) is electrically connected with the main control circuit board two (9).

2. The intelligent electronic pipette gun capable of measuring pH according to claim 1, characterized in that: The back of the intelligent gun seat (2) is fixedly installed with a sterilization lamp box (5), the inner side wall of the sterilization lamp box (5) is fixedly installed with an ultraviolet lamp tube (11), the top end of the sterilization lamp box (5) is provided with a sterilization slot (10), the surface of the main control circuit board two (9) is fixedly installed with a data storage module, a single-chip microcomputer module one, a Bluetooth module two, a WIFI networking module and a temperature and humidity sensor.

3. The intelligent electronic pipette gun capable of measuring pH according to claim 1, characterized in that: The electronic pipette gun body (6) comprises an outer envelope (61), the middle part of the outer envelope (61) is fixedly provided with a pipette barrel (62), the bottom of the pipette barrel (62) is fixedly provided with a liquid taking gun rod (63), the inside of the pipette barrel (62) is provided with a suction channel (621) and a ph detection channel (618), the inside of the suction channel (621) is fixedly installed with an electric liquid taking and discharging mechanism for experimental pipetting, the inside of the ph detection channel (618) is fixedly installed with a ph detection mechanism for detecting the ph value of the utility liquid, one side of the inner wall of the outer envelope (61) is fixedly installed with a magnetic battery (616), one side of the outer envelope (61) is fixedly installed with an adjusting mechanism for controlling pipetting, the middle part of the top end of the outer envelope (61) is fixedly installed with a liquid taking switch (68) and a gun returning switch (69), one side of the top end of the outer envelope (61) is fixedly installed with a gun handle (66).

4. The intelligent electronic pipette gun capable of measuring pH according to claim 3, characterized in that: The adjusting mechanism comprises a control panel, the surface of the control panel is fixedly installed with a display (610), a plurality of setting option buttons and a gun starting switch, one side of the control panel is fixedly installed with a range control knob (67), the inner side of the control panel is fixedly installed with a main control circuit board one (612), the display (610), the liquid taking switch (68) and the gun returning switch (69), the range control knob (67) and the plurality of setting option buttons are electrically connected with the main control circuit board one (612), the main control circuit board one (612) is electrically connected with the magnetic battery (616), the surface of the main control circuit board one (612) is fixedly installed with a single-chip microcomputer module two, a Bluetooth module one, an alarm module and an inclination detection module.

5. The intelligent electronic pipette gun capable of measuring pH according to claim 4, characterized in that: The electric liquid taking mechanism comprises a micro stepping motor (613) and a liquid taking gear (614) fixedly installed at the output end of the micro stepping motor (613), the middle part of the suction channel (621) is slidably provided with a piston rod (617), the bottom end of the piston rod (617) is fixedly provided with a piston head (620), one side of the piston rod (617) is fixedly provided with a liquid taking gear rod (615), one side of the liquid taking gear rod (615) is meshingly connected with one side of the liquid taking gear (614), and the micro stepping motor (613) is electrically connected with the main control circuit board (612).

6. The intelligent electronic pipette gun capable of measuring pH according to claim 4, characterized in that: The ph detection mechanism comprises a ph detection sensor (611), an input port of the ph detection sensor (611) is fixedly installed with a sensing probe (619), the sensing probe (619) is electrically connected with the ph detection sensor (611), and the ph detection sensor (611) is electrically connected with the main control circuit board (612).

7. The intelligent electronic pipette gun capable of measuring pH according to claim 6, characterized in that: The bottom end of the liquid taking gun rod (63) is fixedly provided with a gun head plug-in part (64), the outer side of the gun head plug-in part (64) is sleeved with a disposable liquid taking gun head (65), and the sensing probe (619) is arranged on the inner side of the gun head plug-in part (64).

Images