CN108927285B

CN108927285B - Nano micro magnetic ball quick desorption device

Info

Publication number: CN108927285B
Application number: CN201810498403.1A
Authority: CN
Inventors: 李红梅; 侯鹏; 陈颂
Original assignee: Qiqihar Medical University
Current assignee: Qiqihar Medical University
Priority date: 2018-05-23
Filing date: 2018-05-23
Publication date: 2020-03-24
Anticipated expiration: 2038-05-23
Also published as: CN108927285A

Abstract

The invention discloses a nanometer micro-magnetic ball quick desorber, belonging to the technical field of analytical chemistry instrument and instruments, comprising an electric push rod, a motor, a desorption pool, an electromagnet coil, a magnetic loop bar, a vertical plate and a controller, wherein the structure is as follows: a motor and an electric push rod are respectively arranged on the vertical plate in parallel, the central lines of the motor and the electric push rod are parallel, the motor is fixed by a motor frame, a motor shaft is connected with a tank seat, and a desorption tank is arranged in the tank seat; electric putter is fixed on the riser by the bolt, and electric putter's push rod upper end bolt fixed connection push rod fixation clamp, push rod fixation clamp fixed connection magnetic sleeve pole, and magnetic sleeve pole lower extreme are equipped with the electromagnet cover, and the electromagnet coil has been installed in the electromagnet cover, and the electromagnet coil passes through wire connection director, and the motor passes through wire connection director, and electric putter passes through wire connection director. The up-and-down reciprocating motion of the electromagnetic head and the rotation of the rotating pool can accelerate the adsorption of the nanometer micro-magnetic ball on the electromagnetic head, and the adsorption is completed within 10 seconds; when the power is cut off, the nano-micro magnetic balls are immediately released into the solution.

Description

Nano micro magnetic ball quick desorption device

Technical Field

The invention relates to a nanometer micro-magnetic ball quick desorber, belonging to the technical field of analytical chemical instruments and instruments.

Background

At present, the surface of a known nano-micro magnetic ball is modified to adsorb a target compound quantitatively, the nano-micro magnetic ball adsorbs and separates the target compound, then a permanent magnet is attached to the outside of a centrifugal pipe to adsorb the magnetic ball, the magnetic ball is separated from a matrix solution, and the target compound is desorbed by a desorption solution for the permanent magnet and then detected by other methods. The method has low speed, at least 5min is needed, and the separation is incomplete because the distance between the nano-micro-magnetic ball and the magnet is long.

Disclosure of Invention

In order to overcome the technical defects, the invention provides a nano-micro-magnetic ball quick desorber which can quickly adsorb and desorb.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a little magnetic ball fast desorption ware of nanometer includes electric putter, motor, desorption pond, electromagnet coil, magnetic sleeve pole, riser, controller, and its structure is: a motor and an electric push rod are respectively arranged on the vertical plate in parallel, the central lines of the motor and the electric push rod are parallel, the motor is fixed by a motor frame, the motor shaft is connected with a pool base, and a desorption pool is arranged in the pool base; electric putter is fixed on the riser by the bolt, and electric putter's push rod upper end bolt fixed connection push rod fixation clamp, push rod fixation clamp fixed connection magnetic sleeve pole, and magnetic sleeve pole lower extreme are equipped with the electromagnet cover, and the electromagnet coil has been installed in the electromagnet cover, and the electromagnet coil passes through wire connection director, and the motor passes through wire connection director, and electric putter passes through wire connection director.

The invention has the beneficial effects that: the nanometer micro-magnetic ball quick desorber consists of an electromagnet desorption component and a rotary pool component, and is easy to install. The up-and-down reciprocating motion of the electromagnetic head and the rotation of the rotating pool can accelerate the adsorption of the nanometer micro-magnetic ball on the electromagnetic head, the adsorption is completed within 10 seconds, and the nanometer micro-magnetic ball is released into the solution immediately after power failure. The electromagnetic head is designed to be corrosion-resistant, and the electric heating phenomenon can be prevented due to the adoption of a thinner enameled wire and low-voltage power supply; the electromagnet can be rapidly magnetized and demagnetized; the thin wall of the electromagnetic sleeve is beneficial to the adsorption of the electromagnetic head and the nanometer micro-magnetic ball, so that the adsorption and desorption can be rapidly realized.

Drawings

The invention is further described with reference to the following figures and detailed description.

Fig. 1 is a front view structural diagram of a nano micro magnetic sphere fast desorber of the invention.

Fig. 2 is a side view of the nano-micro magnetic ball fast desorber of the invention.

In the figure, the device comprises an electric push rod 1, an electric motor 2, a motor 3, a motor frame 4, a tank base 5, a desorption tank 6, an electromagnet coil 7, an electromagnet sleeve 8, a push rod 9, a magnetic sleeve rod 10, a push rod fixing clamp 11, a vertical plate 12 and a controller.

Detailed Description

As shown in fig. 1-2, a nanometer micro-magnetic sphere fast desorber includes an electric push rod, a motor, a desorption pool, an electromagnet coil, a magnetic loop bar, a vertical plate, and a controller, and has a structure: a motor 2 and an electric push rod 1 are respectively arranged on the vertical plate 11 in parallel, the central lines of the motor 2 and the electric push rod 1 are parallel, the motor 2 is fixed by a motor frame 3, the motor 2 is connected with a pool base 4 through a shaft, and a desorption pool 5 is arranged in the pool base 4; electric putter 1 is fixed on riser 11 by the bolt, and 8 upper end bolt fixed connection push rod fixation clamps 10 of electric putter 1's push rod, push rod fixation clamp 10 fixed connection magnetic sleeve pole 9, and the magnetic sleeve pole 9 lower extreme is equipped with electromagnet cover 7, ann has electromagnet coil 6 in the electromagnet cover 7, and electromagnet coil 6 passes through wire connection director 12, and motor 2 passes through wire connection director 12, and electric putter 1 passes through wire connection director 12.

The vertical plate 11 is made of ABS engineering plastics; the electric push rod is H-shaped, TG-300B, DC12V, linear speed is 40mm/s, stroke is 50, DC12V, 40mm/s and 2A; the electromagnet sleeve and the magnetic sleeve rod are made of a peek polyether-ether-ketone material; the electromagnet coil is made into a coil frame by PEEK with the diameter of 6mm, the diameter of an enameled copper wire is 0.2mm, the coil resistance is larger than 3 ohms, and the power supply voltage DC is 0.20V.

The operation mode of the controller panel is as follows: and pressing a pool-changing button on the control panel to reach the maximum height value of the electromagnetic head, and stopping rotating the rotary pool. The electromagnetic head is immersed into the desorption pool to do reciprocating motion by pressing a reciprocating button on the control panel, and the rotary pool starts to rotate. Pressing the flux button on the control panel starts to supply power to the battery head and keeps magnetism. And the magnetism is eliminated by pressing the magnetic break button electromagnetic head on the control panel. The desorption pool is rotated according to the rotary button on the control panel. The desorption pool stops rotating when a stop button on the control panel is pressed.

Adsorption state: the target compound is adsorbed in the modification layer of the nano-micro-magnetic ball under the action of the adsorption solvent, the electromagnetic head is powered to keep magnetism, the electromagnetic head reciprocates up and down in the desorption pool, the rotary pool starts to rotate, and the nano-micro-magnetic ball adsorbed with the target compound is adsorbed on the surface of the electromagnetic head.

And (3) replacing the solvent: the electromagnetic head rises to the highest position and stops, the target compound is adsorbed in the modification layer of the nano-micro-magnetic ball under the action of the adsorption solvent, the electromagnetic head is powered to keep magnetism, and the rotary pool stops rotating.

Desorption state: the target compound is released from the modification layer of the nano-micro-magnetic ball to the desorption solvent under the action of the desorption solvent, the electromagnetic head is powered off to eliminate magnetism, the electromagnetic head reciprocates up and down in the desorption pool 13, the rotary pool starts to rotate and keeps for 10 seconds, the electromagnetic head is powered on to keep magnetism, the nano-micro-magnetic ball without the target compound is attracted to the surface of the electromagnetic head and keeps for 10 seconds, the electromagnetic head rises to the highest position and stops, and the target compound in the desorption solvent is used for quantification of other analytical instruments. The electromagnetic head is powered off to eliminate magnetism.

The peek polyetheretherketone is a special engineering plastic with excellent properties of high temperature resistance, self-lubrication, easy processing, high mechanical strength and the like, and can be manufactured and processed into various mechanical parts.

Claims

1. The utility model provides a little magnetic ball fast desorption ware of nanometer, includes electric putter, motor, desorption pond, electromagnet coil, magnetic sleeve pole, riser, controller, its characterized in that: a motor (2) and an electric push rod (1) are respectively arranged on the vertical plate (11) in parallel, the central lines of the motor (2) and the electric push rod (1) are parallel, the motor (2) is fixed by a motor frame (3), the motor (2) is connected with a pool base (4) through a shaft, and a desorption pool (5) is arranged in the pool base (4); an electric push rod (1) is fixed on a vertical plate (11) through a bolt, the upper end of a push rod (8) of the electric push rod (1) is fixedly connected with a push rod fixing clamp (10) through a bolt, the push rod fixing clamp (10) is fixedly connected with a magnetic sleeve rod (9), an electromagnet sleeve (7) is arranged at the lower end of the magnetic sleeve rod (9), an electromagnet coil (6) is arranged in the electromagnet sleeve (7), the electromagnet coil (6) is connected with a controller (12) through a wire, a motor (2) is connected with the controller (12) through a wire, and the electric push rod (1) is connected with the controller (12) through a wire;

the operation mode of the controller panel is as follows: pressing a pool-changing button on the control panel to reach the maximum height value of the electromagnetic head, and stopping the rotation of the rotary pool; pressing a reciprocating button on a control panel, immersing an electromagnetic head into the desorption tank to carry out reciprocating motion, and starting to rotate the rotary tank; pressing the magnetic flux button on the control panel, the battery head starts to supply power and keeps magnetism; pressing a magnetic break button electromagnetic head on the control panel to eliminate magnetism; rotating a button desorption pool on the control panel; pressing a stop button on the control panel to stop the desorption tank from rotating;

adsorption state: the target compound is adsorbed in the modification layer of the nano-micro-magnetic ball under the action of the adsorption solvent, the electromagnetic head is powered to keep magnetism, the electromagnetic head reciprocates up and down in the desorption pool, the rotary pool starts to rotate, and the nano-micro-magnetic ball adsorbed with the target compound is adsorbed on the surface of the electromagnetic head;

and (3) replacing the solvent: the electromagnetic head rises to the highest position and stops, the target compound is adsorbed in the modification layer of the nano-micro-magnetic ball under the action of the adsorption solvent, the electromagnetic head supplies power to keep magnetism, and the rotary pool stops rotating;

desorption state: releasing a target compound from a modification layer of the nano-micro-magnetic ball to a desorption solvent under the action of the desorption solvent, stopping power supply of an electromagnetic head to eliminate magnetism, enabling the electromagnetic head to do up-and-down reciprocating motion in a desorption pool, enabling a rotating pool to start rotating, keeping for 10 seconds, supplying power to the electromagnetic head to keep magnetism, enabling the nano-micro-magnetic ball without the target compound to be attracted to the surface of the electromagnetic head, keeping for 10 seconds, enabling the electromagnetic head to rise to the highest position and stop, and enabling the target compound in the desorption solvent to be used for quantification of other analytical instruments; the electromagnetic head is powered off to eliminate magnetism.