CN112246293A - Shielding precision injection pump - Google Patents
Shielding precision injection pump Download PDFInfo
- Publication number
- CN112246293A CN112246293A CN202010896762.XA CN202010896762A CN112246293A CN 112246293 A CN112246293 A CN 112246293A CN 202010896762 A CN202010896762 A CN 202010896762A CN 112246293 A CN112246293 A CN 112246293A
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- CN
- China
- Prior art keywords
- housing
- control unit
- shielded
- direct
- current power
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/02—Burettes; Pipettes
- B01L3/0289—Apparatus for withdrawing or distributing predetermined quantities of fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F3/00—Shielding characterised by its physical form, e.g. granules, or shape of the material
- G21F3/04—Bricks; Shields made up therefrom
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention provides a shielding precision injection pump which comprises an upper computer, a control unit, an execution unit and a direct-current power supply, wherein the upper computer is connected with the control unit; the shielding precision injection pump is characterized in that a control unit and an execution mechanism which are made of shielding materials are adopted, and cables among the control unit, the execution mechanism, a direct-current power supply and an upper computer are also made of shielding corrosion-resistant materials; and the data communication between the control unit and the actuating mechanism, between the control unit and the DC power supply and between the control unit and the upper computer are also connected in an opposite plug way by adopting an aviation socket, so that the whole equipment has good shielding performance and can be used in places with strong radioactivity.
Description
Technical Field
The invention relates to the technical field of nuclear fuel radiation, in particular to a shielding precision injection pump.
Background
In the nuclear fuel post-treatment process test, the heat chamber belongs to a strong radioactivity area, the radiation intensity is high, and a common feed pump cannot operate for a long time under the environment. The development of radioactive test work in a hot room is always puzzled by a precise feeding pump for many years, and no high-precision feeding equipment which can meet the requirements of places with strong radioactivity exists through domestic and foreign market research.
Therefore, it is very important to find a technical means for a syringe pump that can complete the process test task in the radioactive site and has reliable precision.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a shielding precision injection pump which can effectively and normally complete the feeding task of a process test in a place with strong radioactivity.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a shielded precision syringe pump, the shielded precision syringe pump comprising:
an upper computer;
the control unit comprises a shell made of shielding materials, a plurality of circuit boards arranged in the inner cavity of the shell, a plurality of aviation sockets and direct-current power supplies and communication aviation sockets, wherein the aviation sockets and the direct-current power supplies and the communication aviation sockets are electrically connected with the circuit boards correspondingly;
the direct-current power supply is electrically connected with the upper computer, the direct-current power supply and the communication aviation socket respectively, and the direct-current power supply and the communication aviation socket are electrically connected with the upper computer in a communication mode;
and the execution units are in communication connection with the control unit through a shielding cable.
In some embodiments, the execution unit comprises a housing, a base, a pump actuator, an injector, a feed liquid inlet, a feed liquid outlet, and a manipulator gripper, the housing is hermetically connected to the base, the pump actuator and the injector are installed in the inner cavity of the housing, and the manipulator gripper, the feed liquid inlet, and the feed liquid outlet are connected to the pump actuator and hermetically installed on the top end of the housing, wherein the housing and the base are made of corrosion-resistant materials.
In some embodiments, the execution unit further comprises a weep storage slot fixedly mounted on the base.
In some embodiments, the pump actuator is mounted on the base at an incline.
In some embodiments, the housing and the base are made of an aluminum alloy with an acid-resistant surface.
In some embodiments, the control unit further comprises a robot gripper head sealingly mounted on the top end of the housing.
In some embodiments, the housing is made of stainless steel.
The shielding precision injection pump is characterized in that a control unit and an execution mechanism which are made of shielding materials are adopted, and cables among the control unit, the execution mechanism, a direct-current power supply and an upper computer are also made of shielding corrosion-resistant materials; and the data communication between the control unit and the actuating mechanism, between the control unit and the DC power supply and between the control unit and the upper computer are also connected in an opposite plug way by adopting an aviation socket, so that the whole equipment has good shielding performance and can be used in places with strong radioactivity.
Drawings
Fig. 1 is a schematic structural diagram of a shielded precision injection pump according to the present invention.
Fig. 2 is a schematic structural diagram of a control unit in the present invention.
FIG. 3 is a diagram illustrating an exemplary execution unit according to the present invention.
In the figure:
1-an upper computer, 2-an execution unit, 21-a manipulator gripper, 22-a material liquid inlet, 23-a pump execution mechanism, 24-a leakage liquid storage tank, 25-a material liquid outlet, 26-a three-port valve, 27-an injector, 3-a control unit, 31-an aviation socket, 32-an aviation socket, 33-a three aviation socket, 34-a four aviation socket, 35-a five aviation socket, 36-a six aviation socket, 37-a direct current power supply and communication aviation socket, 38-a manipulator gripper and 4-a direct current power supply.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
Referring to fig. 1 to 3, the present embodiment provides a shielded precision syringe pump, which includes an upper computer 1, a control unit 3, an execution unit 2, and a dc power supply 4. The control unit 3 comprises a shell made of shielding materials, a plurality of circuit boards arranged in the inner cavity of the shell, a plurality of aviation sockets and direct-current power supplies 4 which are electrically connected with the circuit boards correspondingly, and a communication aviation socket 37, wherein the aviation sockets and the direct-current power supplies 4 and the communication aviation socket 37 are fixedly arranged on the top end face of the shell in a sealing mode. In this embodiment, six circuit boards are arranged in the inner cavity of the housing, and six aviation sockets, namely, the first aviation socket 31, the second aviation socket 32, the third aviation socket 33, the fourth aviation socket 34, the fifth aviation socket 35 and the sixth aviation socket 36 are correspondingly arranged on the top end surface of the housing. Meanwhile, a six-core direct-current power supply 4 and a communication aviation socket 37 are also arranged on the top end face of the shell and are used as a power supply input interface and a computer control interface (485 communication), wherein two of the six cores are used as a direct-current power supply 4(24VDC) power supply input port, three cores are used as RS485 communication interfaces, and one core is used as a grounding wire. In the embodiment, each execution unit 2 is connected with the control unit 3 through a sixteen-core cable, eight of the sixteen-core cables are used as connecting wires of the motor, six of the sixteen-core cables are used as connecting wires of the encoder, the rest two of the sixteen-core cables are used as ground wires, the execution units 2 and the control unit 3 are connected to be grounded, the sixteen-core aerial-inserted ground wires are connected to the outside, and the six-core aerial-inserted ground wires are independently grounded. It should be noted that all the external circuit insulation sheaths are made of radiation-resistant, acid corrosion-resistant and kerosene corrosion-resistant materials.
Referring to fig. 2 in combination, in some embodiments, the control unit 3 further comprises a robot gripper head 38, the robot gripper head 38 being sealingly mounted on the top end of the housing. The housing is preferably made of 316 stainless steel. The whole control unit 3 forms a sealed lead shielding structure and has excellent functions of sealing and shielding rays.
Referring to fig. 3 in combination, in some embodiments, the actuator 2 includes a housing, a base, a pump actuator 23, a syringe 27, a leakage storage tank 24, a feed liquid inlet 22, a three-port valve 26, a feed liquid outlet 25, and the housing is hermetically connected to the base, the pump actuator 23 and the syringe 27 are installed in an inner cavity of the housing, the robot gripper 21, the feed liquid inlet 22 and the feed liquid outlet 25 are connected to the pump actuator 23 and hermetically installed on the top end of the housing, wherein the housing and the base are made of corrosion-resistant materials. A weep storage tank 24 is fixedly mounted to the base for receiving the liquid that is inadvertently spilled. The pump actuator 23 is mounted on the base in an inclined manner, for example, at an inclined angle of 5 degrees, to protect internal transmission parts such as a lead screw and prevent corrosion of transmission parts due to leakage of acidic liquid. In addition, the motor of the execution unit 2 is separated from the circuit of the encoder, and meanwhile the periphery of the encoder is shielded by lead plates, so that radiation influence is prevented.
In some embodiments, the housing and the base are made of an aluminum alloy with an acid-resistant surface.
In order to better implement this embodiment, the requirements for some of the above components are briefly explained:
description of control Unit
a) And aviation socket requirements:
1) the aviation contact pin is subjected to gold plating treatment and has acid environment atmosphere corrosion.
2) Mechanical structure convenient to manipulator reliable plug.
3) The minimum distance between 2 adjacent aviation sockets is 25mm, and the operation of mechanical hands is convenient.
b) And the shield injection pump control unit circuit board is treated in a three-proofing way by considering acid resistance.
c) The shell of the control unit is a lead plate with a thickness of 5mm and a lining of 316 mm for shielding rays.
Second, description of execution Unit
a) 16 cables are led out from each execution unit, one end of each cable is directly led out from the execution structure, and the end 1 is an aviation plug matched with the aviation socket of the control system;
b) besides the piston movable part, the other parts of each execution unit are additionally provided with a shielding and a protective shell. The protective shell and the liquid quick-insertion structure (liquid inlet and outlet and quick connector) are designed into a whole, and a manipulator can conveniently and reliably disassemble a liquid path;
c) the whole execution unit is installed quickly, and the operation of a mechanical hand is facilitated.
Description of three, DC Power supply
When power is supplied to the device, the total average current must be supplied to all devices. The power supply and filter capacitors must meet the peak current sum of all devices. The system comprises 6 actuators, and other devices which need 4A in total, and needs a power supply of 10A to meet the requirement, and the power supply has at least 10,000uF output filter capacitor:
6x0.85 ═ 5.1A; +4A ═ 9.1A (choice of 10A power supply)
If the filter capacitance in the power supply is less than 10,000uF, then additional external capacitance or 15A power supply needs to be used.
6x 1.5 ═ 9.0A; +4A ═ 13A (one 15A power supply was selected).
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.
Claims (7)
1. A shielded precision syringe pump, the shielded precision syringe pump comprising:
an upper computer;
the control unit comprises a shell made of shielding materials, a plurality of circuit boards arranged in the inner cavity of the shell, a plurality of aviation sockets and direct-current power supplies and communication aviation sockets, wherein the aviation sockets and the direct-current power supplies and the communication aviation sockets are electrically connected with the circuit boards correspondingly;
the direct-current power supply is electrically connected with the upper computer, the direct-current power supply and the communication aviation socket respectively, and the direct-current power supply and the communication aviation socket are electrically connected with the upper computer in a communication mode;
and the execution units are in communication connection with the control unit through a shielding cable.
2. The shielded precise injection pump of claim 1, wherein the actuator unit comprises a housing, a base, a pump actuator, an injector, a feed liquid inlet, a feed liquid outlet, and a mechanical hand gripper, the housing is hermetically connected to the base, the pump actuator and the injector are installed in the inner cavity of the housing, the mechanical hand gripper, the feed liquid inlet, and the feed liquid outlet are connected to the pump actuator and hermetically installed on the top of the housing, and the housing and the base are made of corrosion-resistant materials.
3. The shielded precision syringe pump of claim 2, wherein the execution unit further comprises a weep storage tank fixedly mounted on the base.
4. The shielded precision syringe pump of claim 3 wherein the pump actuator is mounted on the base at an incline.
5. The shielded precision syringe pump of any one of claims 2 to 4, wherein the housing and the base are made of an aluminum alloy having an acid-resistant surface.
6. The shielded precision syringe pump of claim 1, wherein the control unit further comprises a robotic gripper head sealingly mounted on the top end of the housing.
7. The shielded precision syringe pump of claim 1, wherein the housing is made of a stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010896762.XA CN112246293B (en) | 2020-08-31 | 2020-08-31 | Shielding precision injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010896762.XA CN112246293B (en) | 2020-08-31 | 2020-08-31 | Shielding precision injection pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112246293A true CN112246293A (en) | 2021-01-22 |
| CN112246293B CN112246293B (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010896762.XA Active CN112246293B (en) | 2020-08-31 | 2020-08-31 | Shielding precision injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112246293B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1747072A (en) * | 2004-08-06 | 2006-03-15 | 住友重机械工业株式会社 | Radioactive liquid generating system and heating chamber with dispensing function |
| JP2015045340A (en) * | 2008-07-01 | 2015-03-12 | ブルックス オートメーション インコーポレイテッド | Radiation shield, cryogenic temperature unit, and cryopump |
| CN107064535A (en) * | 2017-04-25 | 2017-08-18 | 厦门莱蔓新材料科技有限公司 | A kind of multichannel precision is loaded syringe pump module |
| CN110058037A (en) * | 2019-05-28 | 2019-07-26 | 上海安杰环保科技股份有限公司 | A kind of permanganate index analyzer multifunctional multichannel sample adding device |
| CN110082464A (en) * | 2019-05-28 | 2019-08-02 | 南京科创检测技术有限公司 | A kind of inspection pretreatment unit and preprocess method |
| CN209302009U (en) * | 2018-06-15 | 2019-08-27 | 王若楠 | A kind of measurable radiation protection injection device |
| CN110778478A (en) * | 2019-11-28 | 2020-02-11 | 欧世盛（北京）科技有限公司 | Injection pump and injection pump system |
| CN111031653A (en) * | 2019-12-05 | 2020-04-17 | 中国科学院近代物理研究所 | Shielding device for radioactive target area and vacuum system |
| CN211125059U (en) * | 2019-09-27 | 2020-07-28 | 中核核电运行管理有限公司 | Radiation shielding device for reactor main coolant pump casing |
-
2020
- 2020-08-31 CN CN202010896762.XA patent/CN112246293B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1747072A (en) * | 2004-08-06 | 2006-03-15 | 住友重机械工业株式会社 | Radioactive liquid generating system and heating chamber with dispensing function |
| JP2015045340A (en) * | 2008-07-01 | 2015-03-12 | ブルックス オートメーション インコーポレイテッド | Radiation shield, cryogenic temperature unit, and cryopump |
| CN107064535A (en) * | 2017-04-25 | 2017-08-18 | 厦门莱蔓新材料科技有限公司 | A kind of multichannel precision is loaded syringe pump module |
| CN209302009U (en) * | 2018-06-15 | 2019-08-27 | 王若楠 | A kind of measurable radiation protection injection device |
| CN110058037A (en) * | 2019-05-28 | 2019-07-26 | 上海安杰环保科技股份有限公司 | A kind of permanganate index analyzer multifunctional multichannel sample adding device |
| CN110082464A (en) * | 2019-05-28 | 2019-08-02 | 南京科创检测技术有限公司 | A kind of inspection pretreatment unit and preprocess method |
| CN211125059U (en) * | 2019-09-27 | 2020-07-28 | 中核核电运行管理有限公司 | Radiation shielding device for reactor main coolant pump casing |
| CN110778478A (en) * | 2019-11-28 | 2020-02-11 | 欧世盛（北京）科技有限公司 | Injection pump and injection pump system |
| CN111031653A (en) * | 2019-12-05 | 2020-04-17 | 中国科学院近代物理研究所 | Shielding device for radioactive target area and vacuum system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112246293B (en) | 2021-12-21 |
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