CN1928760A - Injection controlling device - Google Patents
Injection controlling device Download PDFInfo
- Publication number
- CN1928760A CN1928760A CNA2005100994874A CN200510099487A CN1928760A CN 1928760 A CN1928760 A CN 1928760A CN A2005100994874 A CNA2005100994874 A CN A2005100994874A CN 200510099487 A CN200510099487 A CN 200510099487A CN 1928760 A CN1928760 A CN 1928760A
- Authority
- CN
- China
- Prior art keywords
- contact site
- injection
- control apparatus
- conductive
- unit
- 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.)
- Pending
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Classifications
-
- 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
- F04B49/06—Control using electricity
-
- 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
- B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
- B01L3/0217—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids of the plunger pump type
- B01L3/0227—Details of motor drive means
Abstract
The injection controller comprises: a straight line reciprocal mechanism, which includes a drive source with an electrical control unit, and an actuating bar with a first touch part with two conductive points connected with former control unit; and an injector with at least one injection unit that includes a second touch part made of conductive material. This invention can control the displacement of the actuating bar to accurate control the injection quantity.
Description
Technical field
The present invention relates to a kind of injection control apparatus, mainly is about accurately controlling the injection control apparatus of injection volume.
Background technology
Traditional reagent mix operation, in the time will mixing multiple solution or reagent, be by manually utilizing a syringe that various solution or reagent are drawn respectively and are positioned in the container, again these container vibrations are rocked, the solution of various mixing or reagent can being concocted; Only, because the mode of manually drawing is too slow, and when changing another kind of solution or reagent, also must inject cleaning fluid previous solution or reagent remaining in the injection tube wash bowl earlier, just can draw another kind of solution more thereafter, so the activity duration can be longer; Moreover, utilize manual type to draw solution, must utilize the artificial visual mode to monitor after the injection of solution degree of depth and then the conversion injection volume, thus the injection volume of difficult accurately control injection tube, even cause solution or reagent mix ratio not right because of miscount.
Summary of the invention
Fundamental purpose of the present invention can be saved the activity duration in that a kind of injection control apparatus is provided.
Another object of the present invention is providing a kind of injection control apparatus, can accurately control the injection volume of injection tube.
For achieving the above object, the injection control apparatus that originally provides includes:
One straight line reciprocator, it has a drive source and an operating bar, and this drive source has an ECU (Electrical Control Unit); This operating bar can be by the start of drive source, produces straight reciprocating motion, and this operating bar has one first contact site, and this first contact site has two conductive junction points, this two conductive junction point and the electric connection of this ECU (Electrical Control Unit);
One injection mechanism, be positioned at this line reciprocator below, it has at least one injecting unit, and this injecting unit has an injection tube and a push rod, this push rod has one second contact site, and this second contact site is that a conductive material is made and corresponding with this first contact site.
Described injection control apparatus, this each conductive junction point is a conductive copper sheet.
Described injection control apparatus, this injection mechanism has a plurality of injecting units, and can change different injecting units by the mode of rotation or linear reciprocation displacement.
Described injection control apparatus, this line reciprocator is an electronic cylinder, has a body, this body is a hollow cylinder body, this drive source is one to be built in the motor in this body, this operating bar is arranged in this body and has screw-rod structure with this CD-ROM drive motor is spirally connected, and this operating bar can be by the start of drive source, the generation straight reciprocating motion.
Described injection control apparatus, this operating bar has one first part and a second portion, one end periphery of this first part is surrounded with an external thread, the about central part of one end of this second portion has a hole, this hole inner loop is wound with an internal thread, this internal thread can lock together with the external thread of this first part, and this first part is connected with this second portion, and the other end of this second portion forms this first contact site.
Described injection control apparatus, these first contact site both sides have a storage tank respectively, in order to ccontaining respectively this conductive junction point, and respectively this two conductive junction point are fixed in this first contact site and little summary by two connecting pieces and protrude this first contact site bottom surface.
Described injection control apparatus, this two conductive junction point electrically connects the unit by one and this ECU (Electrical Control Unit) electrically connects, and this electric connection unit is two conductive electric wires, and this each conductive electric wire electrically connects with this each conductive junction point respectively.
Described injection control apparatus, the body portion of this operating bar is arranged with one first hanging part, and this body body portion is provided with one second hanging part; One extension spring, the hook ring of one end hang on this second hanging part, and the normally total length under the application of force not of this extension spring, be shorter than first hanging part and second articulate between distance; Then be connected to this ECU (Electrical Control Unit) after then passing this first hanging part after this each conductive electric wire is picked out by this two conductive junction point and walking around the hook ring of the other end of this extension spring; Rotating disk can be rotated by a motor driven; A most injecting unit, this each injection tube is arranged on this each bearing seat.
Described injection control apparatus, this injection mechanism have a rotating disk and are located on this rotating disk most bearing seats on every side, and this rotating disk can be rotated by a motor driven; A most injecting unit, respectively this injecting unit is arranged on this bearing seat.
Description of drawings
Fig. 1 is the combination synoptic diagram of a preferred embodiment of the present invention.
Fig. 2 is the combination stereogram of line reciprocator of the present invention.
Fig. 3 is the exploded perspective view of line reciprocator of the present invention.
Fig. 4 is the cut-open view of line reciprocator of the present invention.
Fig. 5～Fig. 7 is the cardon of doing of a preferred embodiment of the present invention.
Embodiment
In order to describe structure of the present invention and characteristics place in detail, lift following preferred embodiment and cooperation
Description of drawings is as back:
See also Fig. 1～Fig. 4, injection control apparatus of the present invention (1) includes:
One pedestal (10), a tie rod (11), a straight line reciprocator (20) and an injection mechanism (30), wherein, this tie rod (11) is a L shaped body of rod, and one end system is fixed on this pedestal (10), and the other end is then affixed with this line reciprocator (20);
This line reciprocator (20) has a body (21), a drive source (not shown) and an operating bar (22), this line reciprocator (20) is an electronic cylinder in the present embodiment, therefore, this body (21) is a hollow cylinder body, this drive source is one to be built in the motor in this body (21), this operating bar (22) is arranged in this body (21) and has screw-rod structure with this CD-ROM drive motor is spirally connected, and this operating bar (22) can be by the start of drive source, the generation straight reciprocating motion; Certainly, this line reciprocator (20) also can adopt pneumatic cylinder, oil hydraulic cylinder or other motor-driven mechanism; In addition, this drive source has an ECU (Electrical Control Unit) (not shown) and and electrically connects unit (23), and whether this ECU (Electrical Control Unit) is in order to control this drive source start, and this electric connection unit (23) is two conductive electric wires, electrically connects with this ECU (Electrical Control Unit); This operating bar (22) is connected in an end of this body (21), it has one first part (221) and a second portion (222), one end periphery of this first part (221) is surrounded with an external thread (223), the about central part of one end of this second portion (222) has a hole (224), this hole (224) inner loop is wound with an internal thread (225), this internal thread (225) can lock together with the external thread (223) of this first part (221), this first part (221) is connected with this second portion (222), the other end of this second portion (222) has one first contact site (24), and these first contact site (24) both sides have a storage tank (241) respectively, in order to ccontaining two conductive junction points (242), this two conductive junction point (242) can be conductive copper sheet, and respectively this two conductive junction point (242) is fixed in this first contact site (24) and little summary by two connecting pieces (243) and protrudes this first contact site (24) bottom surface, and this two conductive junction point (242) links a conductive electric wire of this electric connection unit (23) respectively; The body portion of this operating bar (22) second portion (222) is arranged with one first hanging part (25) in addition, and this body (21) body portion is provided with one second hanging part (26); One extension spring (231), the hook ring of one end hang on this second hanging part (26), and the normally total length under the application of force not of this extension spring (231), are shorter than distance between first hanging part (25) and second hanging part (26); Respectively this conductive electric wire one end of this electric connection unit (23) is connected in this two conductive junction point (242), then be connected to this ECU (Electrical Control Unit) after then passing this first hanging part (25) after this electric connection unit (23) is picked out by this two conductive junction point (242) and walking around the hook ring of the other end of this extension spring (231), electrically connect unit (23) by this and collude the design that is hung on this extension spring (231) in the tension mode, make and to drive this operating bar (22) when doing downward straight-line displacement when this drive source, avoid this electric connection unit (23) to tangle, cause the situation of pullling fracture to take place because of no tension strength forms the state of hanging down member generation easy and this injection mechanism (30);
This injection mechanism (30) is fixed on this pedestal (10) it by a supporting seat (40), and this injection mechanism (30) is positioned at this line reciprocator (20) below, this injection mechanism (30) has a rotating disk (35) and is located on this rotating disk (35) most bearing seats (36) on every side, and this rotating disk (35) can be rotated by a motor driven; A most injecting unit (31), respectively this injecting unit (31) all has an injection tube (32) and a push rod (33), wherein, this each injection tube (32) is arranged on this bearing seat (36), this push rod (33) has one first end (331) and one second end (332), this first end (331) is positioned at this injection tube (32) inside, and the both sides of this first end (331) and this injection tube (32) inwall are inconsistent, this second end (332) is exposed to outside this injection tube (32), and this second end (332) to have this second contact site (34) of one second contact site (34) made by a conductive material; In the present embodiment, this rotating disk (35) rotate mode of shift reciprocately of this supporting seat (40) relatively moves to this line reciprocator (20) below with required injecting unit (31).
See also Fig. 5～Fig. 7, a preferred embodiment of the present invention make flowing mode, at first required injecting unit (31) is moved to this line reciprocator (20) below (as shown in Figure 5), drive this operating bar (22) by this drive source again and down do straight-line displacement, make two conductive junction points (242) of this first contact site (24) can touch second contact site (34) (as shown in Figure 6) of this injecting unit (31), this two conductive junction point (242) was engaged by made second contact site (34) of conductive material and formed electrical ON state this moment, this signal electrically connects unit (23) by this and is transmitted back to this ECU (Electrical Control Unit), this ECU (Electrical Control Unit) can be with this initial point as injection volume, and this drive source then can be controlled the displacement of this operating bar (22) according to required injection volume, for example: required injection of solution amount is 10 cubic units, and the area of injection tube is 2 square unit, the push rod of this injection tube then needs displacement 5 units, begins to calculate the displacement of 5 units this moment when this line reciprocator then can be contacted with this second contact site by this first contact site.
Because this line reciprocator when contacting is passed signal back this ECU (Electrical Control Unit) by this first contact site (24) and this second contact site (34), begin to calculate required displacement again, therefore, when other injecting unit of conversion (31), can highly control the displacement of this operating bar (22) according to the push rod (33) of different injecting units (31), injection volume with each injecting unit of accurate control (31), can improve and utilize manual type to draw the shortcoming that solution is difficult for accurately controlling injection volume, also can save the activity duration.
Claims (9)
1. injection control apparatus includes:
One straight line reciprocator, it has a drive source and an operating bar, and this drive source has an ECU (Electrical Control Unit); This operating bar can be by the start of drive source, produces straight reciprocating motion, and this operating bar has one first contact site, and this first contact site has two conductive junction points, this two conductive junction point and the electric connection of this ECU (Electrical Control Unit);
One injection mechanism, be positioned at this line reciprocator below, it has at least one injecting unit, and this injecting unit has an injection tube and a push rod, this push rod has one second contact site, and this second contact site is that a conductive material is made and corresponding with this first contact site.
2. injection control apparatus as claimed in claim 1 is characterized in that, this each conductive junction point is a conductive copper sheet.
3. injection control apparatus as claimed in claim 1 is characterized in that this injection mechanism has a plurality of injecting units, and can change different injecting units by the mode of rotation or linear reciprocation displacement.
4. injection control apparatus as claimed in claim 1, it is characterized in that, this line reciprocator is an electronic cylinder, has a body, this body is a hollow cylinder body, and this drive source is one to be built in the motor in this body, and this operating bar is arranged in this body and has screw-rod structure and this CD-ROM drive motor is spirally connected, this operating bar can produce straight reciprocating motion by the start of drive source.
5. injection control apparatus as claimed in claim 1, it is characterized in that, this operating bar has one first part and a second portion, one end periphery of this first part is surrounded with an external thread, the about central part of one end of this second portion has a hole, and this hole inner loop is wound with an internal thread, and this internal thread can lock together with the external thread of this first part, this first part is connected with this second portion, and the other end of this second portion forms this first contact site.
6. injection control apparatus as claimed in claim 1, it is characterized in that, these first contact site both sides have a storage tank respectively, in order to ccontaining respectively this conductive junction point, and respectively this two conductive junction point are fixed in this first contact site and little summary by two connecting pieces and protrude this first contact site bottom surface.
7. injection control apparatus as claimed in claim 4 is characterized in that, this two conductive junction point electrically connects the unit by one and this ECU (Electrical Control Unit) electrically connects, and this electric connection unit is two conductive electric wires, and this each conductive electric wire electrically connects with this each conductive junction point respectively.
8. injection control apparatus as claimed in claim 7 is characterized in that, the body portion of this operating bar is arranged with one first hanging part, and this body body portion is provided with one second hanging part; One extension spring, the hook ring of one end hang on this second hanging part, and the normally total length under the application of force not of this extension spring, be shorter than first hanging part and second articulate between distance; Then be connected to this ECU (Electrical Control Unit) after then passing this first hanging part after this each conductive electric wire is picked out by this two conductive junction point and walking around the hook ring of the other end of this extension spring; Rotating disk can be rotated by a motor driven; A most injecting unit, this each injection tube is arranged on this each bearing seat.
9. injection control apparatus as claimed in claim 1 is characterized in that, this injection mechanism has a rotating disk and is located on this rotating disk most bearing seats on every side, and this rotating disk can be rotated by a motor driven; A most injecting unit, respectively this injecting unit is arranged on this bearing seat.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100994874A CN1928760A (en) | 2005-09-05 | 2005-09-05 | Injection controlling device |
| EP05025450A EP1759767A3 (en) | 2005-09-05 | 2005-11-22 | Syringe control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100994874A CN1928760A (en) | 2005-09-05 | 2005-09-05 | Injection controlling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1928760A true CN1928760A (en) | 2007-03-14 |
Family
ID=37527061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100994874A Pending CN1928760A (en) | 2005-09-05 | 2005-09-05 | Injection controlling device |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1759767A3 (en) |
| CN (1) | CN1928760A (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB895040A (en) * | 1957-05-06 | 1962-04-26 | Baird & Tatlock Ltd | Improvements relating to liquid dispensing apparatus |
| US5254096A (en) * | 1992-09-23 | 1993-10-19 | Becton, Dickinson And Company | Syringe pump with graphical display or error conditions |
| US5533981A (en) * | 1994-10-06 | 1996-07-09 | Baxter International Inc. | Syringe infusion pump having a syringe plunger sensor |
-
2005
- 2005-09-05 CN CNA2005100994874A patent/CN1928760A/en active Pending
- 2005-11-22 EP EP05025450A patent/EP1759767A3/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| EP1759767A2 (en) | 2007-03-07 |
| EP1759767A3 (en) | 2008-05-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |