CN2535630Y - Multi-way flow-pat switch-over valve - Google Patents
Multi-way flow-pat switch-over valve Download PDFInfo
- Publication number
- CN2535630Y CN2535630Y CN 02223817 CN02223817U CN2535630Y CN 2535630 Y CN2535630 Y CN 2535630Y CN 02223817 CN02223817 CN 02223817 CN 02223817 U CN02223817 U CN 02223817U CN 2535630 Y CN2535630 Y CN 2535630Y
- Authority
- CN
- China
- Prior art keywords
- valve block
- stator
- rotor
- rotor valve
- flow passage
- 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.)
- Expired - Fee Related
Links
Images
Abstract
A multiple-channel flow passage change-over valve comprises a stator valve block and a rotor valve block which is capable of relatively rotating with and is jointed with the stator valve block. The utility model is characterized in that the inner of the stator valve block is provided with a plurality of channel holes of which the joint surfaces are provided with openings, and the rotor valve block is provided with only one channel hole of which the joint surface is provided with openings, and further the rotor valve block is capable of communicating with all the openings on the channel holes of the stator valve block. The rotor valve block and a rotation shaft are capable of rotating of which the alpha >= 360 degrees in the shaft holes of the stator valve block, and the rotation shaft of the rotor valve block is fixedly connected with a stepping motor shaft via a shaft pin, further the interface of the stepping motor is connected with the control output end of a numerical controlled electrical equipment. The rotation shaft of the rotor valve block is fixedly connected with a coaxial rotary turntable, the coaxial rotary turntable is provided with pores which mark the positions of all the openings on the stator valve block. The upper face and the lower face of the coaxial rotary turntable are provided with two sets of light sources and probes which aim at the two pores, the output end of the probe is connected with the signal input end of the numerical controlled electrical equipment. The utility model is simple in connection, compact in bulk, convenient for control, stable in precision, and low in error rate.
Description
Technical field: the utility model relates to chemical analysis instrument, relates in particular to the architecture advances of chemical sampling COMM communication.
Background technique: existing robotics analytical equipment, generally be located at factory or online sampling is carried out at the environmental monitoring scene, on-line analysis, dynamically show, so require sampler energy high-speed and high-efficiency, automatically switch, and the automatic sampling COMM communication of traditional online analytical instrument, use eight commercially available logical valves as COMM communication more, it can only be relative to doing rotating (in general about 45 °, the logical valve of existing N can only be done the rotation of 360 °/N), carry out two switchings, therefore, on stator valve body and rotor valve body, all respectively have eight flow path channels, and on the port hole interface of rotor, often be connected with 3～4 plunger pumps, each plunger pump need connect a cover drive motor and a control apparatus, causes the big heaviness of whole ANALYZER body like this, the online installation of inconvenience, and control is complicated, the precision shakiness, rate of fault is higher.
Summary of the invention: at the above-mentioned shortcoming of prior art, technical problem to be solved in the utility model be to provide a kind of and connect that simple, volume compact, control are simple, stable accuracy, multi-channel flow passage switching valve that rate of fault is lower.
For this reason, the technical solution of the utility model is: a kind of multi-channel flow passage switching valve, be to be sticked to form by relatively turnable stator valve block and rotor valve block, it is characterized in that: have a plurality of port holes in the described stator valve block, and only have one in the described rotor valve block in self faying surface upper shed but the port hole that can be communicated with one by one with the opening of all port holes on the stator valve block in self faying surface upper shed; Described rotor valve block and rotating shaft can be done α 〉=360 ° rotation in stator valve block axis hole.
The opening in described rotor valve block upper channel hole equals the span of the opening of each port hole on the stator valve block to the rotating shaft of rotor valve block to the span of its rotating shaft; The port hole interface of rotor valve block is communicated with plunger pump by flexible conduit, and the port hole interface of stator valve block is connected with liquid holding groove by flexible conduit, is provided with purified water storage tank, waste liquid storage tank in the liquid holding groove.
The rotating shaft of described rotor valve block connects firmly by pivot pin and step motor shaft, and the interface of stepper motor is connected with the control output end of numerical control electrical equipment.
Be fixedly connected with a coaxial rotating disk in the rotating shaft of described rotor valve block, have the aperture of demarcating all aperture positions on the described stator valve block on it; Upper and lower faces at described coaxial turntable is provided with two groups of light source and probes of aiming at two apertures, and the output terminal of probe is connected with the signal input part of numerical control electrical equipment.
Described multi-channel flow passage switching valve be with frame structure will decide/rotor valve block, coaxial turntable and the coaxial one of stepper motor install, and light source and probe appropriate location formed; Described fixed/material of rotor valve block is the fluoroplastic or the special cermacis of wear-and corrosion-resistant, its faying surface separately has high finishingness and high-flatness; The main body of described numerical control electrical equipment is a microcomputer.
Owing to carried out the said structure improvement, the utlity model has and take off advantage:
Owing in the rotor valve block, only have one in self faying surface upper shed, but the port hole that can be communicated with one by one with the opening of all port holes on the stator valve block, and rotor valve block and rotating shaft can be done α 〉=360 ° rotation in stator valve block axis hole, therefore on the rotor valve block, only need connect a plunger pump, one cover drive motor and control system, just can make continuously switch sampling (after each sampling finishes therebetween to all liquid holding grooves by the flexible conduit that connects on the stator valve block, extract an amount of purified water with the raffinate in irrigation channel hole and the pipeline), make drive motor and control corresponding system be reduced to original 1/4～1/3, simplified connection, make volume compact greatly, be convenient to online on-the-spot the installation, and make control more simple, the precision of favourable stable sampling and measurement, reduce rate of fault;
Two groups of light source probes that numerical control electrical equipment is established relatively by the upper and lower faces of coaxial turntable send the check and correction feedback signal to numerical control electrical equipment, and the port hole opening on the step motor control rotor valve block is communicated with the port hole opening on the stator valve block is fully accurately identical;
The utility model is introduced the digital-control circuit of microcomputer, to realize the highi degree of accuracy sampling, to annotate sample; And compact structure, integrity are strong, and valve block corrosion resistant, wear-resisting is durable, stable performance.
Description of drawings: the utility model is explained below in conjunction with accompanying drawing.
Fig. 1 is the utility model embodiment's a general structure schematic representation.
Fig. 2 is that the utility model embodiment's stream connects, switches and launch schematic representation.
Embodiment: as shown in Figure 1, 2: a kind of multi-channel flow passage switching valve, be to be sticked to form by relatively turnable stator valve block 1 and rotor valve block 2, it is characterized in that: have in the described stator valve block 1 a plurality of port hole D1, D2 in self faying surface upper shed ... Dn,, and only have in the described rotor valve block 2 one in self faying surface upper shed but can with all port hole D1, D2 on the stator valve block 1 ... the port hole Z that the opening of Dn is communicated with one by one; Described rotor valve block 2 and rotating shaft 2-1 can do α 〉=360 ° rotation in stator valve block 1 axis hole.
The opening of described rotor valve block 2 upper channel hole Z to the span of its rotating shaft 2-1 equal each port hole D1, D2 on the stator valve block 1 ... the opening of Dn is to the span of rotor valve block rotating shaft 2-1; The port hole Z interface of rotor valve block 2 is communicated with plunger pump 3 by flexible conduit, port hole D1, the D2 of stator valve block 1 ... the interface of Dn by flexible conduit and liquid holding groove 4-1,4-2 ... 4-i is connected, wherein liquid holding groove 4-1 is the purified water storage tank, and 4-i is the waste liquid storage tank.
Described rotor valve block rotating shaft 2-1 connects firmly by the axle of pivot pin and stepper motor 5, and the interface of stepper motor 5 is connected with the control output end of numerical control electrical equipment 6.
Be fixedly connected with a coaxial rotating disk 7 on the described rotor valve block rotating shaft 2-1, have on it demarcate D1, D2 on the described stator valve block 1 ... the aperture of all aperture positions of Dn; Upper and lower faces at described coaxial turntable 7 is provided with two groups of light source and probe 8-1,8-2 that aim at two apertures that directly make progress, 9-1,9-2, and the output terminal of two groups of probes 8-2,9-2 is connected with the signal input part of numerical control electrical equipment.
Described multi-channel flow passage switching valve be with frame structure 10 will decide/ rotor valve block 1,2, coaxial turntable 7 and stepper motor 5 coaxial one are installed, and to two groups of light sources and probe 8-1,8-2,9-1,9-2 appropriate location form; Described fixed/material of rotor valve block 1,2 is the fluoroplastic or the special cermacis of wear-and corrosion-resistant, its faying surface separately has high finishingness and high-flatness; The main body of described numerical control electrical equipment 6 is microcomputers.
Now further specify the utility model embodiment's working principle in conjunction with the accompanying drawings:
Under the control of probe 8-2,9-2 feedback signal and numerical control electrical equipment 6, the D1 opening that stepper motor 5 drives on the stator valve block that rotor valve blocks 2 turn to the interface Z that makes plunger pump 3 and the flexible conduit place that is connected purified water storage tank 4-1 is connected the extraction purified water; Rotate suitable angle (shown in downward arrow among Fig. 2) again, the interface Z that makes plunger pump 3 is connected with Dn opening on the stator valve block at the flexible conduit place that is connected waste liquid storage tank 4-i, raffinate when annotating sample to taking out last time in the stream cleans, then cleaning solution is entered waste liquid storage tank 4-i, then, numerical control electrical equipment 6 continue control step motors 5 drive rotor valve blocks 2 rotate suitable angle (as among Fig. 2 to shown in the upward arrow), the interface Z that makes plunger pump 3 is connected with D2 opening on the stator valve block at the flexible conduit place that is connected liquid holding groove 4-2, sample liquid among the liquid holding groove 4-2 is sampled ... so do action is realized on-the-spot on-line sampling analysis.
Claims (5)
1, a kind of multi-channel flow passage switching valve, be to be sticked to form by relatively turnable stator valve block and rotor valve block, it is characterized in that: have a plurality of port holes in the described stator valve block, and only have one in the described rotor valve block in self faying surface upper shed but the port hole that can be communicated with one by one with the opening of all port holes on the stator valve block in self faying surface upper shed; Described rotor valve block and rotating shaft can be done α 〉=360 ° rotation in stator valve block axis hole.
2, multi-channel flow passage switching valve as claimed in claim 1 is characterized in that: the opening in described rotor valve block upper channel hole equals the span of the opening of each port hole on the stator valve block to the rotating shaft of rotor valve block to the span of its rotating shaft; The port hole interface of rotor valve block is communicated with plunger pump by flexible conduit, and the port hole interface of stator valve block is connected with liquid holding groove by flexible conduit, is provided with purified water storage tank, waste liquid storage tank in the liquid holding groove.
3, multi-channel flow passage switching valve as claimed in claim 1 or 2 is characterized in that: the rotating shaft of described rotor valve block connects firmly by pivot pin and step motor shaft, and the interface of stepper motor is connected with the control output end of numerical control electrical equipment.
4, multi-channel flow passage switching valve as claimed in claim 3 is characterized in that: be fixedly connected with a coaxial rotating disk in the rotating shaft of described rotor valve block, have the aperture of demarcating all aperture positions on the described stator valve block on it; Upper and lower faces at described coaxial turntable is provided with two groups of light source and probes of aiming at two apertures, and the output terminal of probe is connected with the signal input part of numerical control electrical equipment.
5, multi-channel flow passage switching valve as claimed in claim 4 is characterized in that: described multi-channel flow passage switching valve be with frame structure will decide/rotor valve block, coaxial turntable and the coaxial one of stepper motor install, and light source and probe appropriate location formed; Described fixed/material of rotor valve block is the fluoroplastic or the special cermacis of wear-and corrosion-resistant, its faying surface separately has high finishingness and high-flatness; The main body of described numerical control electrical equipment is a microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02223817 CN2535630Y (en) | 2002-04-12 | 2002-04-12 | Multi-way flow-pat switch-over valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02223817 CN2535630Y (en) | 2002-04-12 | 2002-04-12 | Multi-way flow-pat switch-over valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2535630Y true CN2535630Y (en) | 2003-02-12 |
Family
ID=33701404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02223817 Expired - Fee Related CN2535630Y (en) | 2002-04-12 | 2002-04-12 | Multi-way flow-pat switch-over valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2535630Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100420888C (en) * | 2005-10-28 | 2008-09-24 | 株式会社岛津制作所 | Flow path switching valve and high performance liquid chromatograph using the same |
| CN101229540B (en) * | 2007-01-25 | 2010-07-28 | 中外炉工业株式会社 | Coating liquid supplying device |
| CN101187518B (en) * | 2007-12-14 | 2013-01-02 | 青岛澳柯玛股份有限公司 | Control device for switch electrical source driven stepping valve for refrigeration system |
| CN104024847A (en) * | 2011-12-26 | 2014-09-03 | 株式会社岛津制作所 | Flow Path Switching Valve |
| CN105333190A (en) * | 2015-11-04 | 2016-02-17 | 三达膜科技（厦门）有限公司 | Fluid processing device |
| CN108603612A (en) * | 2016-02-04 | 2018-09-28 | 三菱化学可菱水株式会社 | Switching valve and water purifier |
| CN109515891A (en) * | 2019-01-14 | 2019-03-26 | 抚州国泰复合材料有限公司 | A kind of composite oil phase casting ozzle |
| CN110478563A (en) * | 2019-08-28 | 2019-11-22 | 户永杰 | More bags of continuous transfusion systems of intelligence |
| CN110854467A (en) * | 2019-11-15 | 2020-02-28 | 华霆（合肥）动力技术有限公司 | Reciprocating structure and reciprocating control system |
| CN111550464A (en) * | 2020-04-30 | 2020-08-18 | 广东文华包装有限公司 | Multi-path pneumatic rotary joint |
-
2002
- 2002-04-12 CN CN 02223817 patent/CN2535630Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100420888C (en) * | 2005-10-28 | 2008-09-24 | 株式会社岛津制作所 | Flow path switching valve and high performance liquid chromatograph using the same |
| CN101229540B (en) * | 2007-01-25 | 2010-07-28 | 中外炉工业株式会社 | Coating liquid supplying device |
| CN101187518B (en) * | 2007-12-14 | 2013-01-02 | 青岛澳柯玛股份有限公司 | Control device for switch electrical source driven stepping valve for refrigeration system |
| CN104024847B (en) * | 2011-12-26 | 2017-11-21 | 株式会社岛津制作所 | Flow channel switching valve |
| US9671376B2 (en) | 2011-12-26 | 2017-06-06 | Shimadzu Corporation | Flow path switching valve |
| CN104024847A (en) * | 2011-12-26 | 2014-09-03 | 株式会社岛津制作所 | Flow Path Switching Valve |
| CN105333190A (en) * | 2015-11-04 | 2016-02-17 | 三达膜科技（厦门）有限公司 | Fluid processing device |
| CN105333190B (en) * | 2015-11-04 | 2018-06-22 | 三达膜科技（厦门）有限公司 | Fluid processing equipment |
| CN108603612A (en) * | 2016-02-04 | 2018-09-28 | 三菱化学可菱水株式会社 | Switching valve and water purifier |
| CN109515891A (en) * | 2019-01-14 | 2019-03-26 | 抚州国泰复合材料有限公司 | A kind of composite oil phase casting ozzle |
| CN110478563A (en) * | 2019-08-28 | 2019-11-22 | 户永杰 | More bags of continuous transfusion systems of intelligence |
| CN110854467A (en) * | 2019-11-15 | 2020-02-28 | 华霆（合肥）动力技术有限公司 | Reciprocating structure and reciprocating control system |
| CN111550464A (en) * | 2020-04-30 | 2020-08-18 | 广东文华包装有限公司 | Multi-path pneumatic rotary joint |
| CN111550464B (en) * | 2020-04-30 | 2022-05-03 | 广东文华包装有限公司 | Multi-path pneumatic rotary joint |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2535630Y (en) | Multi-way flow-pat switch-over valve | |
| CN1192233C (en) | Automatic sampling machine | |
| CN101730844B (en) | Two-valve arrangement for liquid chromatography | |
| CN111443074B (en) | Automatic on-line pretreatment and Raman detection device and method thereof | |
| CN107560923B (en) | Water sample dilution system and method for expanding online water quality detection range | |
| JP2007121164A (en) | Flow channel switching valve and high-speed liquid chromatograph using it | |
| CN106289912B (en) | Pretreatment device for online monitoring of water | |
| JP2006308056A (en) | Multidirectional selector valve and analyzer using the same | |
| CN2936378Y (en) | Solid phase extractor | |
| CN216434013U (en) | A two-way automatic washing unit of chromatographic column for liquid chromatograph | |
| CN115598305A (en) | Underground portable multi-path gas monitoring control method and device | |
| CN2558996Y (en) | Flowing injection apparatus | |
| CN112696508A (en) | Multi-channel rotary valve equipment | |
| CN114166572B (en) | Multi-path seawater sample collection device | |
| CN114540185A (en) | Marine microorganism high-flux in-situ filtering device based on multi-channel circulating distributor | |
| CN104792601A (en) | Online filtering device of drilling mud | |
| CN214408936U (en) | LGR liquid water isotope analysis device | |
| CN110308094B (en) | Underwater gas-liquid long-term continuous detection device | |
| CN101598738B (en) | Multichannel bridge type flow path sampling system and sampling method thereof applied to analytical instrument | |
| CN107687523A (en) | A kind of multichannel rotary valve | |
| CN212407729U (en) | Positive and negative switching structure of electronic high-speed gas advances appearance diverter valve | |
| CN210834579U (en) | High-frequency measuring device for dry settling flux of atmospheric particulate matter | |
| CN107702946A (en) | A kind of environmentally safe intelligence water quality sampling system peculiar to vessel | |
| CN104330492A (en) | Intelligent automatic switching multi-channel ion chromatographic column connecting device | |
| CN2629029Y (en) | Multiway semiautomatic biochemical analysis instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030212 Termination date: 20100412 |