CN204086230U - The tomographic system of sample pump and the compatible loading of loading ring is realized based on three seven logical valves - Google Patents
The tomographic system of sample pump and the compatible loading of loading ring is realized based on three seven logical valves Download PDFInfo
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- CN204086230U CN204086230U CN201420539078.6U CN201420539078U CN204086230U CN 204086230 U CN204086230 U CN 204086230U CN 201420539078 U CN201420539078 U CN 201420539078U CN 204086230 U CN204086230 U CN 204086230U
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Abstract
The utility model relates to one based on the tomographic system that three seven logical valves realize sample pump and the compatible loading of loading ring and utilizes chromatography that material is separated into each component, prepares the system of purifying or test analysis material.The utility model tomographic system comprises systems pumps, loading valve, loading ring, chromatographic column, detecting device, threeway or T-valve and sample pump, loading valve is three seven logical valves, the valve body of loading valve offers seven interfaces, be respectively interface one to interface seven, systems pumps is connected with interface two, the two ends of loading ring are connected with interface four with interface one, the entrance point of chromatographic column is connected with interface three, detecting device is connected with the endpiece of chromatographic column, sample pump and threeway or one of them import of T-valve or the interface five of loading valve are connected, another import of threeway or T-valve and outlet are connected between systems pumps and loading valve interface two, or between loading valve interface three and chromatographic column entrance point, or between loading ring and loading valve interface four.
Description
Technical field
The utility model relates to one and utilizes chromatography that material is separated into each component, prepares the system of purifying or test analysis material, particularly relates to a kind of tomographic system or the liquid chromatographic system with multiple loading pattern.
Background technology
At present, carry out the tomographic system of loading based on three seven logical valves, what only can realize loading ring (super loading cup) or sample pump connects loading separately separately.As shown in Figure 1a, existing tomographic system comprises systems pumps 1 ', loading valve 2 ', loading ring 3 ', chromatographic column 4 ' and detecting device 5 ', loading valve 2 ' is three seven logical valves, the valve body of loading valve 2 ' offers seven interfaces, be respectively interface one to interface seven, systems pumps 1 ' is connected with interface two, the two ends of loading ring 3 ' are connected with interface four with interface one, the entrance point of chromatographic column 4 ' is connected with interface three, detecting device 5 ' is connected with the endpiece of chromatographic column 4 ', interface six and the interface seven of loading valve 2 ' are waste liquid interface, the interface five of loading valve 2 ' is sample loading interface.Offer three passages in the spool of loading valve 2 ', be respectively passage A, B, C.Loading valve 2 ' is provided with three stations, as shown in Figure 1a, under station one state, interface two is connected by the second valve core channel B with interface three, interface four and interface five-way are crossed the 3rd valve core channel C and are connected, interface one is connected by the first valve core channel A with interface six, and this state loading valve is that sample loads position; As shown in Figure 1 b, under station two-state, interface one is connected by the second valve core channel B with interface two, and interface three is connected by the 3rd valve core channel C with interface four, and this state loading valve is that sample injects position; As illustrated in figure 1 c, under station three condition, interface two is connected by the second valve core channel B with interface seven, and this state loading valve is sample clean position.When needs are to loading ring 3 ' load sample, under loading valve 2 ' is in station one state, systems pumps 1 ' is directly communicated with chromatographic column 4 ' by the second valve core channel B of loading valve 2 ', sample is loaded in loading ring 3 ' by the interface five of loading valve 2 ' by sample syringe, and unnecessary sample will discharge system from interface six; After sample has loaded, control to make loading valve 2 ' to be station two-state from station one state transfer by running automated software program or manual software, station two-state is that the sample of loading valve 2 ' injects state, systems pumps 1 ' injects damping fluid by the second valve core channel B in loading valve 2 ' in loading ring 3 ', and the sample promoted in loading ring 3 ' is entered in chromatographic column 4 ' by the 3rd valve core channel C in loading valve 2 '.Under station three condition, before systems pumps 1 ' and loading valve, waste liquid can be discharged system by the second valve core channel B in loading valve 2 ' by the cleaning of flow path system.If when sample applied sample amount is larger, we are many can adopt systems pumps or configure sample pump loading separately, systems pumps loading is generally by the A2 position loading in flow circuit diagram, here loading has two weak points: 1, A2 is buffer inlet, and buffer inlet is affected the operation convenience of damping fluid by tying up; 2, systems pumps cost is high, easily contaminated through being usually used in loading, reduces its life-span.So the problem that we can adopt an economy usually, single-minded sample pump solves bulk sample loading.But can see from top-operation process, if once connect loading ring, loading valve just no longer includes interface can connect sample pump, so original solution is: loading of dismantling ring, sample pump is directly received the interface four of loading valve, manual operation is in software needed: valve is proceeded to station two sample and inject state, start sample pump, or when being run by automated procedures, start these two orders simultaneously when loading.The problem that this operator scheme is brought is: loading ring and sample pump can only alternatives, sample ring is connected time applied sample amount is few, sample pump is connect time applied sample amount is large, if individual experiment more than a day, and sample size is not of uniform size, just need constantly dismounting and access, bring inconvenience and the triviality of operation, and also can bring adverse influence to the life-span of loading valve.
Utility model content
The technical problems to be solved in the utility model is to provide the tomographic system realizing sample pump and the compatible loading of loading ring based on three seven logical valves that a kind of structure is simple, cost is low, easy and simple to handle.
The utility model realizes the tomographic system of sample pump and the compatible loading of loading ring based on three seven logical valves, comprise systems pumps, loading valve, loading ring, chromatographic column and detecting device, described loading valve is three seven logical valves, the valve body of loading valve offers seven interfaces, be respectively interface one to interface seven, three passages are offered in the spool of loading valve, be respectively passage A, B, C, loading valve is provided with three stations, under station one state, interface two is connected by the second valve core channel B with interface three, interface four and interface five-way are crossed the 3rd valve core channel C and are connected, interface one is connected by the first valve core channel A with interface six or interface seven, under station two-state, interface one is connected by the second valve core channel B with interface two, and interface three is connected by the 3rd valve core channel C with interface four, under station three condition, interface two is connected by the first valve core channel A or the second valve core channel B with interface seven, described systems pumps is connected with the interface two of loading valve, the two ends of described loading ring are connected with interface four with interface one, the entrance point of described chromatographic column is connected with interface three, described detecting device is connected with the endpiece of chromatographic column, interface six and the interface seven of described loading valve are waste liquid interface, the interface five of loading valve is sample loading interface, wherein tomographic system also comprises threeway or T-valve and sample pump, described sample pump and threeway or one of them import of T-valve or the interface five of loading valve are connected, another import of described threeway or T-valve and outlet are connected between systems pumps and loading valve interface two, or between loading valve interface three and chromatographic column entrance point, or between loading ring and loading valve interface four.
The utility model realizes the tomographic system of sample pump and the compatible loading of loading ring based on three seven logical valves, and wherein said T-valve is solenoid valve.
The utility model realizes the tomographic system of sample pump and the compatible loading of loading ring based on three seven logical valves, and wherein said loading ring is super loading cup.
The utility model realizes the tomographic system of sample pump and the compatible loading of loading ring based on three seven logical valves, the double pump pump group that wherein said systems pumps is single pump or is made up of the first system pump that is in parallel or that connect and second system pump.
The utility model realizes the tomographic system of sample pump and the compatible loading of loading ring based on three seven logical valves, and the inflow point of wherein said single pump or double pump is connected to liquid inlet tee joint valve.
The utility model realizes the tomographic system of sample pump and the compatible loading of loading ring based on three seven logical valves, and wherein said detecting device comprises ultraviolet-visible detector, electric conductivity detector and pH detecting device.
The tomographic system difference from prior art that the utility model realizes sample pump and the compatible loading of loading ring based on three seven logical valves is the interface two of tomographic system of the present utility model at loading valve, in interface three or interface four, interface accesses a threeway or T-valve arbitrarily, just can increase an access port, on the basis keeping original loading ring motionless, by in sample pump connecting system, when upper bulk sample, systems pumps is quit work, start sample pump and carry out loading, when upper a small amount of sample, loading ring is still adopted to carry out loading, or the interface five of loading valve is connected to by sample pump, adopt sample pump that sample is loaded into loading ring.Tomographic system of the present utility model when not repeated disassembled and assembled loading ring and sample pump, can possess the loading pattern of multiple applied sample amount, has made the operation of operator easier, improve work efficiency, and ensure that the serviceable life of each parts in system.
Below in conjunction with accompanying drawing, the tomographic system realizing sample pump and the compatible loading of loading ring based on three seven logical valves of the present utility model is described further.
Accompanying drawing explanation
Fig. 1 a is structural representation when tomographic system is in loading (Load) state in prior art;
Fig. 1 b be in prior art tomographic system be in sample inject (Inject) state time structural representation;
Fig. 1 c is that in prior art, tomographic system is in structural representation when cleaning removal waste fluid (Waste) state;
Fig. 2 a is the structural representation of the utility model tomographic system when being in loading ring manual load sample or the direct loading of sample pump;
Fig. 2 b is the structural representation that the utility model tomographic system is in when sample in loading ring injects chromatographic column;
Fig. 2 c be the utility model tomographic system be in systems pumps or sample pump cleaning removal waste fluid time structural representation;
Fig. 2 d is that the utility model tomographic system is in sample pump to structural representation during loading ring load sample;
Fig. 3 a is the structural representation of the utility model tomographic system another kind of embodiment when being in loading ring manual load sample or the direct loading of sample pump;
Fig. 3 b is the structural representation that the another kind of embodiment of the utility model tomographic system is in when sample in loading ring injects chromatographic column;
Fig. 3 c is the structural representation of the utility model tomographic system another kind of embodiment when being in systems pumps or sample pump cleaning removal waste fluid;
Fig. 3 d is that the another kind of embodiment of the utility model tomographic system is in sample pump to structural representation during loading ring load sample.
Embodiment
As shown in Figure 2 a, the tomographic system that the utility model realizes sample pump and the compatible loading of loading ring based on three seven logical valves comprises systems pumps 1, loading valve 2, loading ring 3, chromatographic column 4, detecting device 5, threeway or T-valve 6 and sample pump 7.Systems pumps 1 is the first system pump A in parallel and second system pump B, the inlet place of the first system pump A and second system pump B is connected to liquid inlet tee joint valve 8, loading ring 3 or be super loading cup, T-valve 6 is solenoid valve, loading valve 2 is three seven logical valves, the valve body of loading valve 2 offers seven interfaces, be respectively interface one to interface seven.The two ends of loading ring 3 are connected with interface four with interface one, and the entrance point of chromatographic column 4 is connected with interface three, and detecting device 5 is connected with the endpiece of chromatographic column 4, and detecting device 5 comprises ultraviolet-visible detector UV, electric conductivity detector C and pH detecting device.Interface six and the interface seven of loading valve 2 are removal waste fluid interface, the interface five of loading valve 2 is sample loading interface, sample pump 7 is connected with one of them import of threeway or T-valve 6, and another import of threeway or T-valve 6 and outlet are connected between systems pumps 1 and loading valve 2 interface two.
Three passages are offered in the spool of loading valve 2, be respectively passage A, B, C, loading valve 2 is provided with three stations, under station one state, interface two is connected by the second valve core channel B with interface three, interface four and interface five-way are crossed the 3rd valve core channel C and are connected, and interface one is connected by the first valve core channel A with interface six.Under this station state, systems pumps 1 is connected with the interface two of loading valve 2 by threeway or T-valve 6 with sample pump 7, and be connected with chromatographic column 4 by the second valve core channel B, meanwhile, the interface five-way of loading valve 2 is crossed the 3rd valve core channel C and is connected with loading ring 3.This station state can be made to have two kinds of duties respectively by control system pump 1 and sample pump 7, wherein a kind of duty is same as the prior art, the first system pump A in systems pumps 1 works, sample pump 7 is closed, damping fluid enters in chromatographic column 4 and carries out column equilibration, and sample injector injects by the interface five of loading valve 2 loading carrying out a small amount of sample in loading ring 3; Another kind of duty is the loading of carrying out bulk sample, shutdown system pump 1, and sample pump 7 works and directly to be injected in chromatographic column 4 by sample.
As shown in Figure 2 b, under station two-state, interface one is connected by the second valve core channel B with interface two, and interface three is connected by the 3rd valve core channel C with interface four.Under this station state, systems pumps 1 works, and damping fluid is injected loading ring 3, and the sample pushed in loading ring 3 enters in chromatographic column 4, completes loading ring 3 Small Amount sample loading.
As shown in Figure 2 c, under station three condition, interface two is connected by the second valve core channel B with interface seven.Under this station state, rinse-system pump 1 or sample pump 7, cleaning fluid is discharged system from the interface seven of loading valve 2.
As shown in Figure 2 d, when needs carry out loading repeatedly, and each applied sample amount all little time, can sample pump 7 be connected on the interface five of loading valve 2, one of them import of threeway or T-valve 6 is sealed with plug, under loading valve 2 is in station one state, by sample pump 7, a small amount of sample is injected in loading ring 3, after completing the sample loading work of loading ring 3, under loading valve 2 being transformed into station two-state by working procedure or Non-follow control software, systems pumps 1 is utilized to be pushed in chromatographic column 4 by the sample in loading ring 3, and then under being transformed into station one state, carry out sample loading next time, repeat said process and can realize many experiments repeatedly automatic loading repeatedly.
Except a kind of loading valve disclosed in above-mentioned embodiment, also there are another three seven logical loading valves, nuance is there is with above-mentioned embodiment, in this embodiment, the connected mode between seven interfaces of loading valve 2 and systems pumps 1, chromatographic column 4, loading ring 3 and threeway or T-valve 6 is identical with first embodiment.Three passages are offered in the spool of loading valve 2, be respectively passage A, B, C, loading valve 2 is provided with three stations, as shown in Fig. 3 a and Fig. 3 d, under station one state, interface two is connected by the second valve core channel B with interface three, and interface four and interface five-way are crossed the 3rd valve core channel C and be connected, and interface one is connected by the first valve core channel A with interface seven.As shown in Figure 3 b, under station two-state, interface one is connected by the second valve core channel B with interface two, and interface three is connected by the 3rd valve core channel C with interface four.As shown in Figure 3 c, under station three condition, interface two is connected by the first valve core channel A with interface seven.Under three station state, the duty that tomographic system four of can realize are different is also identical with first embodiment, and what Fig. 3 a represented is carries out to loading ring 3 the direct loading that low-volume samples loading or sample pump 7 carry out a large amount of sample by sample injector; What Fig. 3 b represented is that loading ring 3 pairs of chromatographic columns 4 carry out loading; What Fig. 3 c represented is systems pumps 1 or sample pump 7 cleans and to effluent discharge outside system; What Fig. 3 d represented is that sample pump 7 is continuously to loading ring more than 3 a small amount of sample of automatic repetition loading.
In above-mentioned two embodiments, threeway or T-valve be all be arranged on systems pumps and loading valve interface two between, except this connected mode, threeway or T-valve also can be arranged between loading valve interface three and chromatographic column entrance point, or between loading ring and loading valve interface four, four kinds of duties that three of loading valve kinds of station state realize in above-mentioned embodiment can be utilized, just the corresponding relation between station state and loading valve duty and the corresponding relation slightly difference in above-mentioned embodiment, be not repeated at this.
Above-described embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that the utility model claims determine.
Claims (6)
1. one kind realizes the tomographic system of sample pump and the compatible loading of loading ring based on three seven logical valves, comprise systems pumps (1), loading valve (2), loading ring (3), chromatographic column (4) and detecting device (5), described loading valve (2) is three seven logical valves, the valve body of loading valve (2) offers seven interfaces, be respectively interface one to interface seven, three passages are offered in the spool of loading valve (2), be respectively passage A, B, C, loading valve (2) is provided with three stations, under station one state, interface two is connected by the second valve core channel (B) with interface three, interface four and interface five-way are crossed the 3rd valve core channel (C) and are connected, interface one is connected by the first valve core channel (A) with interface six or interface seven, under station two-state, interface one is connected by the second valve core channel (B) with interface two, and interface three is connected by the 3rd valve core channel (C) with interface four, under station three condition, interface two is connected by the first valve core channel (A) or the second valve core channel (B) with interface seven, described systems pumps (1) is connected with the interface two of loading valve (2), the two ends of described loading ring (3) are connected with interface four with interface one, the entrance point of described chromatographic column (4) is connected with interface three, described detecting device (5) is connected with the endpiece of chromatographic column (4), interface six and the interface seven of described loading valve (2) are removal waste fluid interface, the interface five of loading valve (2) is sample loading interface, it is characterized in that: also comprise threeway or T-valve (6) and sample pump (7), described sample pump (7) and threeway or one of them import of T-valve (6) or the interface five of loading valve (2) are connected, another import of described threeway or T-valve (6) and outlet are connected between systems pumps (1) and loading valve (2) interface two, or between loading valve (2) interface three and chromatographic column (4) entrance point, or between loading ring (3) and loading valve (2) interface four.
2. the tomographic system realizing sample pump and the compatible loading of loading ring based on three seven logical valves according to claim 1, is characterized in that: described T-valve (6) is solenoid valve.
3. the tomographic system realizing sample pump and the compatible loading of loading ring based on three seven logical valves according to claim 1, is characterized in that: described loading ring (3) is super loading cup.
4. the tomographic system realizing sample pump and the compatible loading of loading ring based on three seven logical valves according to claim 1, is characterized in that: described systems pumps (1) is single pump or the double pump pump group that is made up of the first system pump (A) and the second system pump (B) of in parallel or series connection.
5. the tomographic system realizing sample pump and the compatible loading of loading ring based on three seven logical valves according to claim 4, is characterized in that: the inflow point of described single pump or double pump is connected to liquid inlet tee joint valve (8).
6. the tomographic system realizing sample pump and the compatible loading of loading ring based on three seven logical valves according to claim 1, is characterized in that: described detecting device (5) comprises ultraviolet-visible detector (UV), electric conductivity detector (C) and pH detecting device (pH).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420539078.6U CN204086230U (en) | 2014-09-18 | 2014-09-18 | The tomographic system of sample pump and the compatible loading of loading ring is realized based on three seven logical valves |
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| CN201420539078.6U CN204086230U (en) | 2014-09-18 | 2014-09-18 | The tomographic system of sample pump and the compatible loading of loading ring is realized based on three seven logical valves |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676047A (en) * | 2015-02-16 | 2015-06-03 | 苏州赛谱仪器有限公司 | Injection valve |
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2014
- 2014-09-18 CN CN201420539078.6U patent/CN204086230U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676047A (en) * | 2015-02-16 | 2015-06-03 | 苏州赛谱仪器有限公司 | Injection valve |
| CN104676047B (en) * | 2015-02-16 | 2017-01-11 | 苏州赛谱仪器有限公司 | Injection valve |
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