CN219849677U - Multichannel reagent automatic filling device - Google Patents

Abstract

The utility model discloses a multichannel reagent automatic filling device, which comprises: a multi-channel reagent container, a multi-channel pumping mechanism, and a multi-channel filling gun; a reagent cavity is arranged in the multichannel reagent container; a filling channel corresponding to the reagent cavity is arranged in the multichannel filling gun; the multi-channel pumping mechanism is arranged close to the multi-channel reagent container, the pumping end of the multi-channel pumping mechanism is connected with the multi-channel reagent container, and the pumping end of the multi-channel pumping mechanism is connected with the multi-channel filling gun; the reagent cavity is used for storing a reagent to be filled; the multichannel pumping mechanism is used for guiding the reagent to be filled in the reagent cavity into the corresponding filling channel; the multichannel filling gun is used for performing filling action by using the to-be-filled reagent in the filling channel; the number of reagent chambers includes: one or several; the reagent chambers are in one-to-one correspondence with the filling channels; the utility model can finish the sequential filling of a plurality of reagents at one time, and the filling gun head is not required to be replaced in the middle process, thereby greatly improving the filling efficiency.

Description

Multichannel reagent automatic filling device

Technical Field

The utility model relates to the field of chemical experimental instruments, in particular to an automatic multi-channel reagent filling device.

Background

In the current pipetting and acidification operations of reagents in a laboratory, a laboratory takes a single-channel pipetting gun for manual pipetting or acidification, and the following complicated problems exist in the mode:

firstly, when a single reagent is pipetted or acid is added, an experimenter needs to take a pipette to carry out reagent extraction and filling in a reciprocating manner, the whole process needs to be highly concentrated by the experimenter, for example, the filling amount of the reagent is manually controlled and adjusted frequently, and after filling is finished, if the pipette gun just before is adopted for filling other reagents, the gun head needs to be replaced manually;

in the second aspect, when pipetting or adding acid with multiple reagents, an experimenter needs to record the adding demands of different reagents, and repeatedly take liquid, add, regulate and control the adding amount, replace gun heads and recycle the operations according to the corresponding adding demands;

in summary, the existing reagent pipetting and acid adding scheme consumes more manpower resources and time resources, and an experimenter consumes more time in the repeated equipment replacement process, so that the reagent pipetting and acid adding efficiency is low, and meanwhile, the mode of manually controlling the filling amount cannot have higher accuracy.

Disclosure of Invention

The utility model aims at solving the problems existing in the prior art, and provides a multichannel automatic reagent filling device, so as to solve the problems that the reagent pipetting and acid filling scheme in the prior art consumes more manpower resources and time resources, an experimenter consumes more time in the repeated equipment replacement process, the reagent pipetting and acid filling efficiency in the prior scheme is lower, and meanwhile, the manual control of the filling amount cannot achieve higher accuracy.

In order to solve the technical problems, the utility model adopts a technical scheme that: there is provided a multi-channel reagent automatic filling device comprising:

a multi-channel reagent container, a multi-channel pumping mechanism, and a multi-channel filling gun;

a plurality of reagent chambers are arranged in the multichannel reagent container;

a plurality of filling channels respectively corresponding to the plurality of reagent chambers are arranged in the multichannel filling gun;

the multichannel pumping mechanism is arranged close to the multichannel reagent container, the pumping end of the multichannel pumping mechanism is connected with the multichannel reagent container, and the pumping end of the multichannel pumping mechanism is connected with the multichannel filling gun;

the reagent chambers are used for respectively storing a plurality of reagents to be filled;

the multi-channel pumping mechanism is used for respectively guiding a plurality of reagents to be filled in the reagent chambers into a plurality of corresponding filling channels;

the multi-channel filling gun is used for performing filling actions by using a plurality of reagents to be filled in a plurality of filling channels;

the number of the reagent chambers is at least one.

As an improvement, the multichannel filling gun comprises: a grip portion and a conduit;

the holding part is vertically arranged, and the filling channel is arranged in the holding part;

a filling port communicated with the filling channel is arranged at the lower end of the holding part;

the pipeline head end is connected to the upper end of the holding part, and the pipeline is communicated with the filling channel.

As an improvement, the multichannel pumping mechanism comprises: a valve member, an injection extraction part and a power part;

the injection extraction part is vertically arranged, and the inside of the injection extraction part is hollow;

a piston capable of sliding along the length direction of the cavity is embedded in the cavity inside the injection extraction part;

the internal cavity of the injection extraction part is a reagent transfer cavity;

an injection port communicated with the reagent transfer chamber is arranged at the upper end of the injection extraction part;

the bottom of the piston is connected with a pulling part penetrating out of the injection extraction part;

the power part is arranged at one side of the injection extraction part, and one end of the power part is in transmission connection with the pulling part;

the valve piece corresponds to the upper portion of the injection and extraction part, and is provided with a pumping port, and the pumping port is connected with the injection port.

As an improvement, the power unit includes: a lifting controller and a telescopic piece electrically connected with the lifting controller;

the telescopic piece is vertical and is arranged close to the injection extraction part;

the telescopic end of the telescopic piece is connected with one side of the pulling part through a first connecting piece;

the telescopic end of the telescopic piece is used for driving the pulling part to move in the vertical direction.

As an improvement, the valve member includes: a valve portion and a valve controller connected to the valve portion;

the valve part is arranged above the injection extraction part, and the pumping port is arranged on the valve part at a position corresponding to the injection port;

the valve part is also provided with a liquid inlet and a liquid outlet which are mutually avoided;

a first channel for communicating the pumping port with the liquid inlet and a second channel for communicating the pumping port with the liquid outlet are arranged in the valve part;

the tail end of the pipeline is connected with the second channel through the liquid outlet;

the liquid inlet is communicated with the reagent cavity;

the valve controller is used for controlling the conduction of the first channel and the conduction of the second channel.

As an improvement, the multichannel reagent container includes: a reagent bottle;

the reagent bottle is vertically arranged at a position close to the valve part;

the reagent cavity is arranged in the reagent bottle;

the reagent bottle is connected with a first connecting pipe communicated with the reagent cavity;

the first connecting pipe is connected with the first channel through the liquid inlet.

As an improved scheme, a micro switch is arranged on the outer surface of the holding part;

and a waste liquid recovery container with an opening at the upper end is arranged below the holding part and corresponds to the filling opening.

As an improvement, the multi-channel reagent automatic filling device further comprises: the device comprises a device shell, a first support part and a second support part, wherein the device shell is composed of a first support part and a second support part arranged on one side of the first support part;

the top of the bearing part is provided with a tray area, one side, facing the tray area, of the second bearing part is provided with a first fixing area, and the other side of the second bearing part is provided with a second fixing area;

the reagent bottles are vertically arranged on the tray area;

the injection and extraction part is vertically arranged at a position corresponding to the reagent bottle on the first fixed area, the valve piece is arranged at a position corresponding to the upper part of the injection and extraction part on the first fixed area, the power part is vertically arranged at a position corresponding to the injection and extraction part on the second fixed area, and an avoidance channel penetrating through the second bearing part in the horizontal direction and avoiding the first connecting piece is arranged on the second fixed area;

the first bearing part is provided with a first fixing area and a second fixing area, the first fixing area is arranged on the first bearing part, the second fixing area is arranged on the second bearing part, and a distance is reserved between the first bearing part and the second bearing part;

the multichannel filling gun is detachably arranged on the first supporting piece;

the waste liquid recovery container is detachably arranged on the second supporting piece.

As an improvement, the multi-channel reagent automatic filling device further comprises: the filling program controller is arranged in the first bearing part, the filling program executor is arranged in the second bearing part, and the interactive screen is arranged on the outer surface of the first bearing part;

the interactive screen is electrically connected with the filling program controller;

the filling program controller is electrically connected with the filling program executor;

and the filling program executor is in communication connection with the micro switch.

As a modified version, the reagent bottles have four;

the number of the multichannel pumping mechanisms is four;

the number of the filling channels is four.

The beneficial effects of the utility model are as follows:

the multi-channel reagent automatic filling device can intelligently meet the multi-reagent pipetting filling requirements and the single-reagent pipetting filling requirements, can set intelligent filling programs to realize synchronous and accurate control of various filling sequences and various filling amounts of different reagents, can finish sequential filling of a plurality of reagents in a one-time process of taking the filling gun by an experimenter through the multi-channel reagent container, the multi-channel pumping mechanism and the multi-channel filling gun, does not need to replace a filling gun head and repeatedly check the filling amount in the middle process, greatly improves the filling efficiency, saves a large amount of labor cost and time cost, has precise and ingenious equipment structure, is easy to develop and has higher application value.

Drawings

FIG. 1 is a schematic perspective view of a multi-channel reagent automatic filling device according to an embodiment of the present utility model;

FIG. 2 is a schematic perspective view of a multi-channel automatic reagent filling device according to an embodiment of the present utility model;

FIG. 3 is a schematic perspective view of a multi-channel reagent automatic filling device according to an embodiment of the present utility model after removing the first carrying portion;

FIG. 4 is a schematic perspective view of a multi-channel reagent automatic filling device according to an embodiment of the present utility model after removing the first carrying portion and the second carrying portion;

FIG. 5 is a schematic perspective view of the injection and extraction part and the power part of a multi-channel automatic reagent filling device according to an embodiment of the present utility model;

FIG. 6 is a schematic perspective view of the injection and extraction section and the power section of a multi-channel automatic reagent filling device according to an embodiment of the present utility model;

FIG. 7 is a schematic perspective view of the valve member of a multi-channel reagent automatic filling apparatus according to an embodiment of the present utility model;

FIG. 8 is a schematic perspective view of the valve member of a multi-channel reagent automatic filling apparatus according to an embodiment of the present utility model at another view;

FIG. 9 is a schematic perspective view of the grip portion of the multi-channel automatic reagent filling gun in a multi-channel automatic reagent filling device according to an embodiment of the present utility model;

FIG. 10 is a schematic perspective view of the holding portion of the multi-channel automatic reagent filling gun in another view of the multi-channel automatic reagent filling device according to the embodiment of the present utility model;

FIG. 11 is a schematic perspective view of the holding portion of the multi-channel automatic reagent filling gun in another view of the multi-channel automatic reagent filling device according to the embodiment of the present utility model;

the components in the drawings are marked as follows:

1. a multi-channel reagent container; 101. a reagent bottle; 102. a first connection pipe;

2. a multi-channel pumping mechanism; 201. a valve member; 202. an injection extraction unit; 203. a power section; 204. an injection port; 205. a pulling part; 206. a pumping port; 207. a lifting controller; 208. a telescoping member; 209. a first connector; 210. a valve portion; 211. a valve controller; 212. a liquid inlet; 213. a liquid outlet;

3. a multichannel filling gun; 301. a grip portion; 302. a pipeline; 303. a filler neck; 304. a micro-switch; 305. a waste liquid recovery container;

4. an equipment housing; 401. a first carrying part; 402. a second carrying part; 403. a tray area; 404. a first fixed region; 405. a second fixed region; 406. an avoidance channel; 407. a first support; 408. a second support; 409. an interactive screen.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 to 11, an embodiment of the present utility model includes:

a multi-channel reagent automatic filling device comprising: a multi-channel reagent container 1, a multi-channel pumping mechanism 2 and a multi-channel filling gun 3;

as one embodiment of the present utility model, a reagent chamber is provided in the multichannel reagent container 1; in this embodiment, there are a plurality of reagent chambers, and the multi-channel reagent container 1 is specifically a reagent bottle 101 corresponding to the multi-channel pumping mechanism 2 one by one; the reagent cavity is arranged inside the reagent bottle 101, namely a bottle cavity in the reagent bottle 101; the reagent bottle 101 is connected with a first connecting pipe 102 communicated with the reagent cavity, the reagent cavity is used for storing the reagent to be filled, and the first connecting pipe 102 is used for extracting the reagent to be filled stored in the reagent bottle 101 by the multi-channel pumping mechanism 2; when there are a plurality of reagent bottles 101, there are a plurality of reagent chambers, and then the plurality of reagent chambers can be used to store different kinds of reagents to be filled respectively;

as one embodiment of the present utility model, a filling channel corresponding to the reagent chamber is provided in the multichannel filling gun 3; the multichannel filling gun 3 is used for performing filling actions by using the to-be-filled reagent in the filling channel; when a plurality of reagent chambers are provided, a plurality of filling channels are provided, and the reagent chambers are in one-to-one correspondence with the filling channels; for example, the number of reagent chambers includes: at least one or several; in practical use, the number of reagent bottles 101 is typically within 6 groups/one; as shown in fig. 1 to 3 and fig. 9 to 11, the multichannel filling gun 3 includes: a grip 301 and a tube 302; in this embodiment, the holding portion 301 is a filling gun body portion of the multichannel filling gun 3, and the filling gun body is provided with a corresponding holding position, so that an experimenter can hold the filling gun conveniently; the holding part 301 is vertically arranged, and a certain number of filling channels are arranged in the holding part 301; the lower end of the holding part 301 is provided with filling ports 303 correspondingly communicated with the filling channels, and the number of the filling ports 303 corresponds to the number of the filling channels, so that the reagents in one reagent bottle 101 can be transmitted into the corresponding filling channel through the independent first connecting pipe 102, and meanwhile, the filling is carried out through the independent filling port 303, so that different reagents are independent respectively, experimental intersection is avoided, and a filling gun head is not required to be replaced; correspondingly, in order to ensure the above effect, the number of the pipelines 302 also corresponds to the number of the filling channels, as shown in the drawing, the head end of the pipeline 302 is connected to the upper end of the holding portion 301, and the pipeline 302 is communicated with the filling channels; in fig. 1, four pipelines 302 are provided, and a braided tube is integrally sleeved outside the four pipelines, so that the integrated multichannel filling gun 3 is convenient to take; in addition to the above structure, the reagent bottles 101 are respectively provided with a corresponding number of multi-channel pumping mechanisms 2, and each multi-channel pumping mechanism 2 is respectively responsible for pumping and out the reagent in the corresponding reagent bottle 101;

as an embodiment of the present utility model, as shown in fig. 1 to 4, the multi-channel pumping mechanism 2 is disposed near the multi-channel reagent container 1, and a pumping end of the multi-channel pumping mechanism 2 is connected to the multi-channel reagent container 1, a pumping end of the multi-channel pumping mechanism 2 is connected to the multi-channel filling gun 3, and the multi-channel pumping mechanism 2 is configured to guide a reagent to be filled in the reagent cavity into the corresponding filling channel; the number of the multi-channel pumping mechanisms 2 corresponds to the number of the filling channels, and the multi-channel pumping mechanisms 2 are arranged in one-to-one correspondence with the filling channels; as shown in fig. 4 to 8, the multi-channel pumping mechanism 2 includes: the injection and extraction device comprises a valve piece 201, an injection and extraction part 202 and a power part 203, wherein the injection and extraction part 202 is vertically arranged, and the inside of the injection and extraction part 202 is hollow; the cavity inside the injection and extraction part 202 is used for storing the extracted reagent to be filled, and belongs to a reagent transfer chamber; a piston capable of sliding along the length direction of the cavity is embedded in the cavity inside the injection extraction part 202; in practical applications, the injection and extraction part 202 may adopt a syringe-like structure, such as an airtight injector, which is used for pumping the reagent to be injected in the reagent cavity when the piston moves downward, and pumping the reagent to be injected in the cavity inside the injection and extraction part 202 when the piston moves upward; an injection port 204 communicated with the reagent transferring chamber is arranged at the upper end of the injection extraction part 202, and the injection port 204 is a pump outlet of the reagent in the reagent transferring chamber; as shown in fig. 5, the bottom of the piston is connected with a pulling part 205 penetrating out of the injection and extraction part 202, and the pulling part 205 is used for driving the piston to slide in the reagent transfer chamber along the length direction of the reagent transfer chamber; in order to realize intelligent reagent pumping and pumping control, the power unit 203 is disposed on one side of the injection and extraction unit 202, and one end of the power unit 203 is in transmission connection with the pulling unit 205, and the pulling unit 205 is pulled by the power unit 203 to perform displacement in a vertical direction, so as to realize piston movement, in practical application, as shown in fig. 3 and 4, the power unit 203 includes: a lift controller 207 and a telescopic member 208 electrically connected to the lift controller 207; in this embodiment, the lifting controller 207 adopts a stepper motor, the telescopic member 208 uses the stepper motor as a screw module of the driving mechanism, and drives the piston to lift by lifting the screw module, specifically, a sliding block on the screw module is a telescopic end, so that the telescopic member 208 is vertically arranged near the injection extraction portion 202, and the telescopic end of the telescopic member 208 is connected with one side of the pulling portion 205 through a first connecting member 209; the first connecting member 209 is shown in fig. 3 and 4, and in this embodiment, a clamping member is used for the transmission connection design; the telescopic end of the telescopic piece 208 is used for driving the pulling part 205 to displace in the vertical direction; as shown in fig. 3 and fig. 4, the valve member 201 is disposed right above the injection and extraction portion 202, and a pumping port 206 is disposed on the valve member 201, the pumping port 206 is connected with the injection port 204, the valve member 201 is used as a pipeline supporting structure for implementing intelligent pumping and pumping of the reagent, and the valve member 201 includes: a valve portion 210 and a valve controller 211 connected to the valve portion 210; the valve portion 210 adopts a three-way structure, and the valve controller 211 is responsible for controlling the conduction direction of the three-way structure, wherein two passages in the three-way structure are respectively responsible for conduction between the reagent cavity and the injection extraction portion 202, and conduction between the injection extraction portion 202 and the filling channel; in practice, as shown in fig. 4, the valve portion 210 is disposed above the injection and extraction portion 202, and the pumping port 206 is disposed on the valve portion 210 at a position corresponding to the injection port 204, that is, at a bottom position of the valve portion 210; the valve portion 210 is in a cylindrical shape, as shown in fig. 4, the tangential direction of the valve portion is toward the front, and a liquid inlet 212 and a liquid outlet 213, which are mutually avoided, are further disposed on the valve portion 210 at positions corresponding to two sides of the pumping port 206; a first channel for communicating the pumping port 206 with the liquid inlet 212 and a second channel for communicating the pumping port 206 with the liquid outlet 213 are provided in the valve portion 210; the first channel and the second channel are combined into a three-way structure taking the pumping port 206 as a middle port; therefore, the end of the pipeline 302 is connected to the second channel through the liquid outlet 213, so as to realize the conduction of the pump-out pipeline, that is, the liquid outlet 213 is the pump-out end, so that the pump-out pipeline is: reagent transfer chamber- & gt pump outlet 206- & gt second channel- & gt liquid outlet 213- & gt pipeline 302- & gt filling channel- & gt filling port 303 is used as a filling pipeline during reagent filling; the liquid inlet 212 is the pumping end, and the first connecting pipe 102 is connected to the first channel through the liquid inlet 212, so that the pumping pipeline is: reagent bottle 101- & gt first connecting pipe 102- & gt liquid inlet 212- & gt first channel- & gt pumping port 206- & gt reagent transfer chamber, which is used as a reagent pre-extraction pipeline during reagent filling; in summary, the valve controller 211 is configured to control the conduction of the first channel and the conduction of the second channel, and the conduction sequence of the first channel and the second channel is described in detail in the following application principle when the present utility model is applied; as a preferred embodiment, as shown in fig. 1, the reagent bottle 101 is vertically disposed at a position close to and corresponding to the valve portion 210;

as an embodiment of the present utility model, the outer surface of the grip portion 301 is provided with a micro switch 304; the number of the micro switches 304 is two, when an experimenter presses down the two micro switches 304 at the same time, the filling function of the filling gun can be started, and the design belongs to the safety design, so that reagent leakage is prevented from polluting the experimental environment when the micro switches 304 are touched by mistake; a waste liquid recovery container 305 with an opening at the upper end is arranged below the holding part 301 and corresponds to the position of the filling port 303; the filling port 303 of the grip 301 is provided toward the waste liquid recovery container 305, and the waste liquid recovery container 305 recovers the filled waste liquid flowing down through the filling port 303;

as an embodiment of the present utility model, as shown in fig. 1 to 3, the multi-channel reagent automatic filling device further includes: a device case 4, wherein the device case 4 is composed of a first carrying portion 401 and a second carrying portion 402 provided on one side of the first carrying portion 401; the first bearing part 401 is a rectangular shell arranged horizontally, the second bearing part 402 is a rectangular shell arranged vertically, the equipment shell 4 is used for protecting and supporting the functional structure, and the specific modeling design is only taken as an example and is not limited in detail in the embodiment; a tray area 403 is arranged at the top of the bearing part, a first fixing area 404 is arranged on one side, facing the tray area 403, of the second bearing part 402, namely the front surface of the second bearing part 402, and a second fixing area 405 is arranged on the other side of the second bearing part 402, namely the rear surface of the second bearing part 402; the reagent bottles 101 are vertically arranged on the tray area 403, and the mode of fig. 1 is that the reagent bottles are arranged on the tray of the tray area 403; the injection and extraction part 202 is vertically arranged at a position corresponding to the reagent bottle 101 on the first fixed area 404, the valve member 201 is arranged at a position corresponding to the position above the injection and extraction part 202 on the first fixed area 404, the power part 203 is vertically arranged at a position corresponding to the injection and extraction part 202 on the second fixed area 405, and an avoidance channel 406 penetrating through the second bearing part 402 in the horizontal direction and avoiding the first connecting member 209 is arranged on the second fixed area 405; the first bearing member 407 and the second bearing member 408 are arranged in parallel at positions on the first bearing portion 401, where the positions avoid the first fixing area 404 and the second bearing portion 402, and a distance is provided between the first bearing member 407 and the second bearing member 408; the multichannel filling gun 3 is detachably arranged on the first bearing member 407; the waste liquid recovery container 305 is detachably arranged on the second supporting member 408; specific implementation forms of the detachable function are not limited, including but not limited to a buckle, a clamping groove design and the like;

as an embodiment of the present utility model, as shown in fig. 1 to 4, the reagent bottles 101 have four types; four multi-channel pumping mechanisms 2 are arranged; four filling channels are arranged, and a zircon valve is adopted in the valve part 210;

as an embodiment of the present utility model, the multi-channel reagent automatic filling device further includes: a priming program controller disposed within the first carrier, a priming program executor disposed within the second carrier, and an interactive screen 409 disposed on an outer surface of the first carrier; the interactive screen 409 is electrically connected with the filling program controller; the filling program controller is electrically connected with the filling program executor; the filling program executor is in communication connection with the micro switch; the communication connection can adopt an infrared transmission technology, an Ethernet transmission technology or a Bluetooth interconnection technology and the like; in this embodiment, the filling program controller may be controlled by the interaction screen 409 to set the filling sequence and the filling amount of the reagent in each reagent bottle 101, and then when in use, the filling program controller is triggered by the micro switch 304 to call the filling program executor to perform the filling action of the reagent according to the set filling sequence and the filling amount;

as an embodiment of the present utility model, the specific principle of use of the present utility model is as follows:

before use, based on the above principle, an experimenter can set the filling sequence and the filling amount of the reagents in the four reagent bottles 101 through the interactive screen master control filling program controller, for example: after the setting is finished, an experimenter can hold and press two microswitches 304 simultaneously, so that a filling program controller is triggered to call the filling program executor to perform the filling action of the reagent according to the set A10ml, B5ml, C10ml and D5ml, and meanwhile, the experimenter can take the holding part 301 of the multichannel filling gun 3 to the corresponding reagent bottle to be filled, and wait for the automatic filling of the multichannel filling gun 3;

the detailed filling action is as follows:

first, pumping of the multichannel reagent is performed: the filling program executor calls four multi-channel pumping mechanisms 2 corresponding to the four reagent bottles 101 to pump the reagent in the corresponding reagent bottles 101 to four reagent transfer chambers of the four injection and extraction parts 202 respectively, and at the moment, the filling program executor controls the second channels in the valve parts 210 to be closed and controls the first channels to be conducted through valve controllers 211 of the four multi-channel pumping mechanisms 2 respectively for reagent pumping; the pumping paths of the four multi-channel pumping mechanisms 2 are as follows: corresponding to the reagent bottle 101, corresponding to the first connecting pipe 102, corresponding to the liquid inlet 212, corresponding to the first channel, corresponding to the pumping port 206 and corresponding to the reagent transfer chamber; in the pumping process, the filling program executor controls the telescopic piece 208 to perform certain lifting travel/distance control according to the corresponding filling amount through the lifting controller 207 so as to achieve the correspondence between the pumping amount and the filling amount; finally, the reagent transfer chambers of the four injection and extraction units 202 store 10ml of the reagent a, 5ml of the reagent B, 10ml of the reagent C, and 5ml of the reagent D, respectively;

then, sequentially filling the multichannel reagent: at this time, the experimenter has aligned the holding portion 301 of the multi-channel filling gun 3 to the corresponding to-be-filled reagent bottle, and each multi-channel pumping mechanism 2 corresponds to a different reagent type; the subsequent filling program executor respectively controls the first channel in the valve part 210 to be closed and simultaneously controls the second channel to be conducted through the valve controllers 211 of the four multi-channel pumping mechanisms 2 for pumping out the reagent; at this time, the filling program executor controls the four multi-channel pumping mechanisms 2 to sequentially start the pump filling steps according to the corresponding filling sequence, namely the sequence of A, B, C and D; the pumping-out filling step comprises the following steps: the filling program executor controls the corresponding multi-channel pumping mechanism 2 to inject the reagent in the pumping part 202 through: corresponding to the pumping port 206, corresponding to the second channel, corresponding to the liquid outlet 213, corresponding to the pipeline 302, corresponding to the filling channel, corresponding to the filling port 303, and performing full output filling of the reagent; wherein, similar to the pumping process, the filling program executor controls the lifting of the telescopic piece 208 through the lifting controller 207 so as to realize that the reagent in the injection and extraction part 202 is output from the corresponding filling port 303 through the path; in this state, the experimenter keeps the multichannel filling gun 3 stable, waits for a certain time, and finishes the disposable multi-reagent filling operation after each multichannel pumping mechanism 2 for storing A, B, C, D four reagents finishes the pumping and filling steps; at this time, the experimenter can vertically replace the holding part 301 of the multichannel filling gun 3 on the first supporting member 407 to perform static dripping discharge of the filling waste liquid;

as an optional implementation manner of the present utility model, in the above process, the filling sequence of the four A, B, C, D reagents is variable, and the filling sequence is correspondingly set by the interactive screen master control filling program controller, and when the process is executed, the actual filling sequence adjustment can be realized by adjusting the pumping sequence of the multichannel pumping mechanism 2;

as an optional implementation mode of the utility model, in the process, the A, B, C, D four reagents can be pumped simultaneously, so that the filling efficiency is improved, and the filling time is saved;

as an optional embodiment of the present utility model, in the above process, the filling amount of the reagent and the travel control distance of the lifting controller 207 may form a certain mapping function, based on the mapping function, it may be realized that a large amount of reagent is pumped into the corresponding reagent transfer chamber at one time, and during filling, the travel distance is controlled according to the mapping function, so as to realize that the reagent can be pumped for multiple times, thereby further reducing the pumping times and time of the reagent, and improving the reagent filling efficiency of multiple batches;

as an alternative embodiment of the present utility model, the number of the micro switches 304 is not limited, so as to achieve a better false touch protection effect;

as an optional embodiment of the present utility model, the clamping control of the multichannel filling gun 3 may be performed by a multi-axis mechanical arm, and the clamping movement of the fixed/variable track may be performed based on the multi-axis mechanical arm, so as to implement full automation of the whole filling process;

as an optional implementation manner of the present utility model, the integrated design among the interactive screen 409, the filling program controller and the filling program executor may be implemented by an industrial control host based on a PLC controller/MCU unit, so as to implement functions as a main component, and the implementation manner of the controller is not specifically limited in the present utility model, and the main technical direction of the present utility model is the structural design of the multi-channel automatic reagent filling device; it is conceivable that the priming program controller and the priming program executor are each designed by corresponding enabling circuits;

as an alternative embodiment of the present utility model, as shown in fig. 1, an emergency key is further disposed near the interactive screen 409, so as to stop the operation of all the electronic control devices in the apparatus under special conditions, thereby ensuring the safety of experiments.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures made by the description of the utility model and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the utility model.

Claims (10)

1. A multi-channel automatic reagent filling device, comprising: a multichannel reagent container (1), a multichannel pumping mechanism (2) and a multichannel filling gun (3);

a reagent cavity is arranged in the multichannel reagent container (1);

a filling channel corresponding to the reagent cavity is arranged in the multichannel filling gun (3);

the multichannel pumping mechanism (2) is arranged close to the multichannel reagent container (1), the pumping end of the multichannel pumping mechanism (2) is connected with the multichannel reagent container (1), and the pumping end of the multichannel pumping mechanism (2) is connected with the multichannel filling gun (3);

the reagent cavity is used for storing a reagent to be filled;

the multichannel pumping mechanism (2) is used for guiding the reagent to be filled in the reagent cavity into the corresponding filling channel;

the multichannel filling gun (3) is used for performing filling actions by using the to-be-filled reagent in the filling channel;

the number of reagent chambers includes: one or several;

the reagent chambers are in one-to-one correspondence with the filling channels.

2. A multi-channel reagent automatic filling device according to claim 1, wherein:

the multichannel filling gun (3) comprises: a grip portion (301) and a pipe (302);

the holding part (301) is vertically arranged, and the filling channel is arranged in the holding part (301);

the lower end of the holding part (301) is provided with filling ports (303) communicated with the filling channels, and the number of the filling ports (303) corresponds to the number of the filling channels;

the head end of the pipeline (302) is connected to the upper end of the holding part (301), the pipeline (302) is communicated with the filling channels, and the number of the pipelines (302) corresponds to the number of the filling channels.

3. A multi-channel reagent automatic filling device according to claim 2, wherein:

the number of the multi-channel pumping mechanisms (2) corresponds to the number of the filling channels;

the multichannel pumping mechanism (2) is arranged in one-to-one correspondence with the filling channels;

the multi-channel pumping mechanism (2) comprises: a valve member (201), an injection drawing part (202) and a power part (203);

the injection and extraction part (202) is vertically arranged, and the injection and extraction part (202) is hollow;

a piston capable of sliding along the length direction of the cavity is embedded in the cavity inside the injection extraction part (202);

the internal cavity of the injection extraction part (202) is a reagent transfer cavity;

an injection port (204) communicated with the reagent transfer chamber is arranged at the upper end of the injection extraction part (202);

the bottom of the piston is connected with a pulling part (205) penetrating out of the injection extraction part (202);

the power part (203) is arranged on one side of the injection extraction part (202), and one end of the power part (203) is in transmission connection with the pulling part (205);

the valve member (201) is arranged above the injection and extraction part (202), and a pumping port (206) is arranged on the valve member (201), and the pumping port (206) is connected with the injection port (204).

4. A multi-channel reagent automatic filling device according to claim 3, wherein:

the power unit (203) includes: a lift controller (207) and a telescopic member (208) electrically connected to the lift controller (207);

the telescopic piece (208) is vertical and is arranged close to the injection extraction part (202);

the telescopic end of the telescopic piece (208) is connected with one side of the pulling part (205) through a first connecting piece (209);

the telescopic end of the telescopic piece (208) is used for driving the pulling part (205) to move in the vertical direction.

5. The multi-channel reagent automatic filling device according to claim 4, wherein:

the valve member (201) comprises: a valve portion (210) and a valve controller (211) connected to the valve portion (210);

the valve part (210) is arranged above the injection extraction part (202), and the pumping port (206) is arranged on the valve part (210) at a position corresponding to the injection port (204);

the valve part (210) is also provided with a liquid inlet (212) and a liquid outlet (213) which are mutually avoided;

a first channel for communicating the pumping port (206) with the liquid inlet (212) and a second channel for communicating the pumping port (206) with the liquid outlet (213) are arranged in the valve part (210);

the tail end of the pipeline (302) is connected with the second channel through the liquid outlet (213), and the liquid outlet (213) is the pump outlet;

the liquid inlet (212) is communicated with the reagent cavity, and the liquid inlet (212) is the pumping end;

the valve controller (211) is used for controlling the conduction of the first channel and the conduction of the second channel.

6. The multi-channel reagent automatic filling device according to claim 5, wherein:

the multichannel reagent container (1) comprises: reagent bottles (101) which are in one-to-one correspondence with the multichannel pumping mechanisms (2);

the reagent bottle (101) is vertically arranged at a position close to the valve part (210);

the reagent cavity is arranged in the reagent bottle (101);

the reagent bottle (101) is connected with a first connecting pipe (102) communicated with the reagent cavity;

the first connecting pipe (102) is connected with the first channel through the liquid inlet (212).

7. The multi-channel reagent automatic filling device according to claim 6, wherein:

the outer surface of the holding part (301) is provided with a micro switch (304);

a waste liquid recovery container (305) with an open upper end is arranged below the holding part (301) and corresponds to the position of the filling port (303).

8. The multi-channel reagent automatic filling device according to claim 7, wherein:

the multichannel reagent automatic filling device still includes: an equipment case (4), wherein the equipment case (4) is composed of a first carrying part (401) and a second carrying part (402) arranged on one side of the first carrying part (401);

a tray area (403) is arranged at the top of the bearing part, a first fixing area (404) is arranged on one side, facing the tray area (403), of the second bearing part (402), and a second fixing area (405) is arranged on the other side of the second bearing part (402);

the reagent bottles (101) are vertically arranged on the tray area (403);

the injection and extraction part (202) is vertically arranged at a position corresponding to the reagent bottle (101) on the first fixed area (404), the valve piece (201) is arranged at a position corresponding to the upper part of the injection and extraction part (202) on the first fixed area (404), the power part (203) is vertically arranged at a position corresponding to the injection and extraction part (202) on the second fixed area (405), and an avoidance channel (406) penetrating through the second bearing part (402) in the horizontal direction and avoiding the first connecting piece (209) is formed in the second fixed area (405);

the first bearing part (401) is provided with a first bearing part (407) and a second bearing part (408) which are arranged side by side at positions avoiding the first fixed area (404) and the second bearing part (402), and a distance is arranged between the first bearing part (407) and the second bearing part (408);

the multichannel filling gun (3) is detachably arranged on the first supporting piece (407);

the waste liquid recovery container (305) is detachably arranged on the second supporting member (408).

9. The multi-channel reagent automatic filling device according to claim 8, wherein:

the multichannel reagent automatic filling device still includes: a priming program controller arranged in the first bearing part (401), a priming program executor arranged in the second bearing part (402) and an interaction screen (409) arranged on the outer surface of the first bearing part (401);

the interactive screen (409) is electrically connected with the filling program controller;

the filling program controller is electrically connected with the filling program executor;

the priming program executor is in communication with the micro switch (304).

10. The multi-channel reagent automatic filling device according to claim 6, wherein:

the number of the reagent bottles (101) is four;

the multichannel pumping mechanism (2) is provided with four channels;

the number of the filling channels is four.