CN204177791U - The route controller of gas on a kind of point type analyser for eliminating interference - Google Patents
The route controller of gas on a kind of point type analyser for eliminating interference Download PDFInfo
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- CN204177791U CN204177791U CN201420683059.0U CN201420683059U CN204177791U CN 204177791 U CN204177791 U CN 204177791U CN 201420683059 U CN201420683059 U CN 201420683059U CN 204177791 U CN204177791 U CN 204177791U
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Abstract
The utility model discloses the route controller of gas on a kind of point type analyser for eliminating interference, it is characterized in that comprising sampling pipe, analyser, prover and exhausr port; Described sampling pipe is by solenoid valve pipeline linking parsing instrument, and described solenoid valve is three-way solenoid valve, and its one end connects sampling pipe, other end linking parsing instrument, three-terminal link prover, and described prover pipeline connects exhausr port; Described solenoid valve is controlled to open and close by control circuit.The utility model can be eliminated between analyser and mutually disturb, and gas circuit control module can ensure that the accuracy of analyser test data also can make gas auto-control.
Description
Technical field
The utility model relates to analyser field, particularly relates to the route controller of gas on a kind of point type analyser for eliminating interference.
Background technology
Gas analyzer is the detecting instrument detecting gas componant and content.In a lot of production run, it is usually inadequate for only carrying out automatic control according to physical parameters such as temperature, pressure, flows.Due to varying and analysis principle varied of analyzed gas, gas analyzer of a great variety.Probably there is artificial sample technically, continuous sampling and on-site on-line measurement.
In the process of continuous sampling, owing to being measured by multiple analyser, during analyser work, each gas gas circuit, sampling house steward's gas circuit and sample inlet gas circuit communicate, and during such gas, Standard Gases will enter into other analysers by conduit, thus the test result of impact analysis instrument.
Utility model content
The purpose of this utility model is that when solving gas, Standard Gases enters into other analysers by conduit, thus the problem of the test result of impact analysis instrument, the route controller of gas on a kind of point type analyser for eliminating interference is provided.
The technical solution adopted in the utility model is: the route controller of gas on a kind of point type analyser for eliminating interference, is characterized in that comprising sampling pipe, analyser, prover and exhausr port; Described sampling pipe is by solenoid valve pipeline linking parsing instrument, and described solenoid valve is three-way solenoid valve, and its one end connects sampling pipe, other end linking parsing instrument, three-terminal link prover, and described prover pipeline connects exhausr port; Described solenoid valve is controlled to open and close by control circuit; Described control circuit is made up of ARM chip, optocoupler, CMOS tube, crystal oscillator, power supply, resistance and electric capacity, 5 pin of described ARM chip are connected electric capacity C3 and C4 and ground connection respectively with 6 pin, 5 pin of described ARM chip be connected a crystal oscillator between 6 pin, 37 pin of described ARM chip, 38 pin, 39 pin and 40 pin are connected optocoupler, resistance, CMOS tube and plug-in unit respectively successively, described optocoupler is connected a resistance access supply voltage, resistance and voltage stabilizing diode that described resistor coupled in parallel one is in series ground connection, described plug-in unit connected electromagnetic valve, for solenoid valve provides operating voltage.
As further improvement of the utility model, 31 pin of described ARM chip, 47 pin, 63 pin, 18 pin ground connection, 32 pin of described ARM chip, 48 pin, 64 pin are connected supply voltage with 19 pin, and 12 pin of described ARM chip are with 13 pin electric capacity in parallel and be connected supply voltage; A 7 pin resistance in parallel of described ARM chip and electric capacity, described resistance access supply voltage, described capacity earth.
The beneficial effect that the utility model adopts is: the utility model can be eliminated between analyser and mutually disturb, and gas circuit control module can ensure that the accuracy of analyser test data also can make gas auto-control.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model preference.
Fig. 2 is the circuit diagram of control circuit of the present utility model.
Shown in figure: 1 sampling pipe, 2 analysers, 3 provers, 4 control circuits, 5 exhausr ports, 6 solenoid valves.
Embodiment
Below in conjunction with Fig. 1 and Fig. 2, choose preference, the utility model is described further.
A route controller for gas on the point type analyser eliminating interference, is characterized in that comprising sampling pipe 1, analyser 2, prover 3 and exhausr port 5, described sampling pipe 1 is by solenoid valve 6 pipeline linking parsing instrument 2, and described solenoid valve 6 is three-way solenoid valve, and its one end connects sampling pipe 1, other end linking parsing instrument 2, three-terminal link prover 3, and described prover 3 pipeline connects exhausr port 5, described solenoid valve 6 is controlled to open and close by control circuit 4, described control circuit 4 is by ARM chip, optocoupler, CMOS tube, crystal oscillator, power supply, resistance and electric capacity composition, 5 pin of described ARM chip are connected electric capacity C3 and C4 and ground connection respectively with 6 pin, 5 pin of described ARM chip be connected a crystal oscillator between 6 pin, 37 pin of described ARM chip, 38 pin, 39 pin and 40 pin are connected optocoupler respectively successively, resistance, CMOS tube and plug-in unit, described optocoupler is connected a resistance access supply voltage, resistance and voltage stabilizing diode that described resistor coupled in parallel one is in series ground connection, described plug-in unit connected electromagnetic valve 6, for solenoid valve 6 provides operating voltage.
31 pin of described ARM chip, 47 pin, 63 pin, 18 pin ground connection, 32 pin of described ARM chip, 48 pin, 64 pin are connected supply voltage with 19 pin, and 12 pin of described ARM chip are with 13 pin electric capacity in parallel and be connected supply voltage; A 7 pin resistance in parallel of described ARM chip and electric capacity, described resistance access supply voltage, described capacity earth.
Preference: as shown in Figure 1, connects solenoid valve and each pipeline, guarantees the firm gas-tight of each contact: valve A, valve B, valve C, valve D are three-way solenoid valve.
During normal work (not gas), pipe IB and pipe IC conducting, pipe IA place often closes; Pipe IIB and pipe IIC conducting, pipe IIA place often closes; Pipe IIIB and pipe IIIC conducting, pipe IIIA place often closes; Pipe IVB and pipe IVC conducting, pipe IVA place often closes.
Need now to carry out gas to tester I, send instruction to control circuit by host computer, valve A is worked, pipe IA and pipe IC conducting, pipe IB closes, and other solenoid valves keep original state constant.
Control circuit is by RSM232 chip and upper machine communication, when after the instruction receiving host computer, its instruction corresponding 37,38,39,40 in a pin become high level by normality low level, the output terminal of optocoupler reaches the voltage that can drive CMOS tube switching function, make its conducting, thus make the plug-in unit of its correspondence have the power supply that can drive solenoid valve.
The utility model can be eliminated between analyser and mutually disturb, and gas circuit control module can ensure that the accuracy of analyser test data also can make gas auto-control.
Those skilled in the art should know; protection scheme of the present utility model is not limited only to the above embodiments; various permutation and combination and conversion can also be carried out on the basis of above-described embodiment; under the prerequisite without prejudice to the utility model spirit, the various conversion that the utility model carries out all are dropped in protection domain of the present utility model.
Claims (2)
1. the route controller of gas on the point type analyser eliminating interference, is characterized in that comprising sampling pipe (1), analyser (2), prover (3) and exhausr port (5), described sampling pipe (1) is by solenoid valve (6) pipeline linking parsing instrument (2), described solenoid valve (6) is three-way solenoid valve, its one end connects sampling pipe (1), other end linking parsing instrument (2), three-terminal link prover (3), described prover (3) pipeline connects exhausr port (5), described solenoid valve (6) is controlled to open and close by control circuit (4), described control circuit (4) is by ARM chip, optocoupler, CMOS tube, crystal oscillator, power supply, resistance and electric capacity composition, 5 pin of described ARM chip are connected electric capacity C3 and C4 and ground connection respectively with 6 pin, 5 pin of described ARM chip be connected a crystal oscillator between 6 pin, 37 pin of described ARM chip, 38 pin, 39 pin and 40 pin are connected optocoupler respectively successively, resistance, CMOS tube and plug-in unit, described optocoupler is connected a resistance access supply voltage, resistance and voltage stabilizing diode that described resistor coupled in parallel one is in series ground connection, described plug-in unit connected electromagnetic valve (6), for solenoid valve (6) provides operating voltage.
2. the route controller of gas on a kind of point type analyser for eliminating interference according to claim 1, it is characterized in that 31 pin of described ARM chip, 47 pin, 63 pin, 18 pin ground connection, 32 pin of described ARM chip, 48 pin, 64 pin are connected supply voltage with 19 pin, and 12 pin of described ARM chip are with 13 pin electric capacity in parallel and be connected supply voltage; A 7 pin resistance in parallel of described ARM chip and electric capacity, described resistance access supply voltage, described capacity earth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420683059.0U CN204177791U (en) | 2014-11-14 | 2014-11-14 | The route controller of gas on a kind of point type analyser for eliminating interference |
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| CN201420683059.0U CN204177791U (en) | 2014-11-14 | 2014-11-14 | The route controller of gas on a kind of point type analyser for eliminating interference |
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| CN204177791U true CN204177791U (en) | 2015-02-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360022A (en) * | 2014-11-14 | 2015-02-18 | 安徽蓝盾光电子股份有限公司 | Point type analyzer standard gas channel control device for interference elimination |
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2014
- 2014-11-14 CN CN201420683059.0U patent/CN204177791U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360022A (en) * | 2014-11-14 | 2015-02-18 | 安徽蓝盾光电子股份有限公司 | Point type analyzer standard gas channel control device for interference elimination |
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