CN208791181U - Gas control valve open state monitoring device in PSA oxygenerator - Google Patents
Gas control valve open state monitoring device in PSA oxygenerator Download PDFInfo
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- CN208791181U CN208791181U CN201821113240.2U CN201821113240U CN208791181U CN 208791181 U CN208791181 U CN 208791181U CN 201821113240 U CN201821113240 U CN 201821113240U CN 208791181 U CN208791181 U CN 208791181U
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- close
- switch
- outer housing
- control valve
- gas control
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Abstract
Gas control valve open state monitoring device in a kind of PSA oxygenerator, it is related to PSA oxygenerator device, equipped with outer housing, outer housing is equipped be located on the inside of outer housing first close to switching with second close to switch, and first close to switching positioned at second close to switch front side, and outer housing is interior to be put equipped with aerodynamic wind, when airless passes through in outer housing, aerodynamic wind pendulum is located at first close in inductive switching region, and when having in outer housing compared with air blast, aerodynamic wind pendulum is located at second close in inductive switching region；First close switch and the second close switch are connected with controller, can real-time detection and the close switch of display first and the second close state switched.The utility model is of simple structure and low cost, can promptly and accurately monitor the open state of gas control valve in PSA oxygenerator.
Description
Technical field
The present invention relates to PSA oxygenerator device, it is a kind of of simple structure and low cost for elaborating, and can promptly and accurately be monitored
Gas control valve open state monitoring device in the PSA oxygenerator of the open state of gas control valve in PSA oxygenerator.
Background technique
It is known that the adsorption tower of PSA oxygenerator especially PSA oxygenerator, needs many gas control valves to control its oxygen
Gas separation process, any one valve break down, and can influence the runnability of complete equipment.As long as because there is a gas
Control valve breaks down, and can all interfere the Function of other gas control valves.In use, factors can lead to
Gas control valve break down or cause gas control valve can not it is normally-open or close, at this point, the production oxygen purity of PSA oxygenerator
It will be severely impacted with oxygen-producing amount.In addition, the air cleaning system of PSA oxygenerator is to control its blowdown by more than ten groups of blowdown valves
Process, in the state of being not turned on monitoring is closed, grease, dirt if some blowdown valve breaks down, in compressed air
Angstrom equal mixtures will return in compressed air, and it is impaired to eventually lead to volume zeolite molecular sieve in adsorption tower, PSA oxygenerator
Therefore oxygen performance processed will decline, but the system equipment of PSA oxygenerator is still continuing to run.This state is PSA oxygenerator
The one of the major reasons that the universal too short, runnability of service life reduces quickly.Existing PSA oxygenerator, works as gas control valve
It can not be found in time when failure, only when operation troubles occur in PSA oxygenerator function degradation or system equipment
It could be realized, seriously affect PSA oxygenerator runnability or and service life.
Summary of the invention
Present invention aim to address above-mentioned the deficiencies in the prior art, provide it is a kind of of simple structure and low cost, can be timely
Gas control valve open state in accurate measurements PSA oxygenerator avoids due to gas control valve breaks down PSA oxygenerator still
In the gas control valve open state monitoring device continued to run.
The present invention solves technical solution used by above-mentioned the deficiencies in the prior art:
Gas control valve open state monitoring device in a kind of PSA oxygenerator is equipped with outer housing, it is characterised in that outer housing
It is equipped with first be located on the inside of outer housing and is located at second close to switch close to switch close to switch, first close to switch and second
Front side is equipped with the aerodynamic wind pendulum matched close to switch and second close to switch with first in outer housing, when in outer housing without gas
It is out-of-date to circulate, and aerodynamic wind pendulum is located at first close in inductive switching region, and when having in outer housing compared with air blast, aerodynamic wind puts position
In second close in inductive switching region.First is connected close to switch with controller close to switch and second, and controller usually makes
With the controller of the device systems of PSA oxygenerator, it can be approached and be opened by the controller real-time detection and display first of PSA oxygenerator
Close the state with second close to switch.
Heretofore described first partly overlaps close to switch and second close to the induction region of switch；When in outer housing
When airless passes through, aerodynamic wind pendulum is located at first close in inductive switching region, when there is weaker air-flow in outer housing, aerodynamic wind
Pendulum is located in the induction region that first overlaps close to switch and second close to switch, when having in outer housing compared with air blast,
Aerodynamic wind pendulum is located at second close in inductive switching region.
In a tubular form, outer housing both ends are equipped with to be connected with gas piping in PSA oxygenerator heretofore described outer housing
Connector, the described first close switch and the second close central position for switching the side wall across outer housing, being located on the downside of outer housing
It sets.
Heretofore described first is proximity Hall switch close to switch and second close to switch, and aerodynamic wind, which is laid out, to be equipped with
The magnetic detected member matched with proximity Hall switch.
Heretofore described aerodynamic wind pendulum is that outer housing upper inner wall is equipped with wobble line, and wobble line lower end is equipped with tested
Survey part.It is also possible to be hinged with strip swing piece in outer housing upper inner wall, it is to approach to open with first that strip, which swings piece,
It closes and second swings on piece and be equipped with and open with first close to switch and second are close close to the detected member or strip of switch cooperation
Close the detected member of cooperation.It is described by detected member be spherical shape magnetic bodies.
The present invention is in use, outer housing is serially connected in the pipeline on rear side of gas control valve, the first close switch and second
It is connected close to switch with controller.When gas control valve is opened, air-flow can be put under the action of air-flow by outer housing, aerodynamic wind
It is swung close to inductive switching region and second close in inductive switching region first, such as only second issues (contact) close to switch
Signal, gas control valve work are opened normal；As the first close switch issues (contact) signal or the first close switch and second
(contact) signal is all issued close to switch, gas control valve opens failure；When gas control valve is closed, such as only first switch is approached
(contact) signal is issued, gas control valve is working properly；As the second close switch issues (contact) signal or the first close switch
(contact) signal, gas control valve closing fault are all issued close to switch with second.Controller will test result and be transferred to PSA system
The computerized control system of oxygen machine is handled, computer display screen prompt " normally-open " of pneumatic control valve, " normal switching-off ", "
Open failure " or " closing fault " four kinds of states.It is the configuration of the present invention is simple, low in cost, it can promptly and accurately monitor PSA oxygenerator
Whether middle gas control valve is in normally-open or is in Normal Shutdown state, avoids to the production oxygen purity of PSA oxygenerator and production
Oxygen amount generates adverse effect.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
Gas control valve open state monitoring device in PSA oxygenerator as shown in Figure 1, equipped with outer housing 2 in a tubular form,
2 both ends of outer housing are equipped with the connector being connected with gas piping in PSA oxygenerator, and outer housing 2, which is equipped with, to be located on the inside of outer housing
First is located at second close to 5 front side of switch close to switch 7 close to switch 5, first close to switch 7 and second；It can from figure
Out, first close to switch and second close to the central location for switching the side wall across outer housing, being located on the downside of outer housing, and first connects
The sensing head of nearly switch 7 and the second close switch 5 is located on the inside of outer housing.When outer housing accesses the gas piping of PSA oxygenerator,
Gas inlet side is front side.It is equipped in outer housing and is put with first close to the aerodynamic wind that switch 7 and second are matched close to switch 5,
Described first is proximity Hall switch close to switching with second close to switch, the aerodynamic wind pendulum are as follows: the first close switch
The outer housing upper inner wall of top is equipped with wobble line 3, and 3 lower end of wobble line is equipped with and the first close switch and the second close switch
The detected member 4 of cooperation is detected the magnetic bodies that 4 are spherical shape.In aerodynamic wind pendulum is also possible to above outer housing
It is hinged with strip on wall and swings piece, strip swings piece to be detected close to switch and second close to what switch cooperated with first
Part or strip swing on piece equipped with the detected member cooperated close to switch and second close to switch with first.When in outer housing
When airless passes through, the detected member that aerodynamic wind is laid out is located at first close in inductive switching region, relatively strong when having in outer housing
When air-flow (flow or flow velocity are higher, can satisfy work requirements), the detected member of aerodynamic wind pendulum is located at second close to switch sense
It answers in region.First is connected close to switch with controller 6 close to switch and second, and controller is set usually using PSA oxygenerator
PLC controller also can be selected in the controller of standby system, controller 6, real-time detection and can show that first connects close to switch and second
The state closely switched.
The present invention is further improved, and described first partly overlaps close to switch and second close to the induction region of switch；
When airless passes through in outer housing, aerodynamic wind puts detected member and is located at first close in inductive switching region, when in outer housing
When having weaker air-flow (flow or flow velocity are low), it is mutual close to switch and second close to switching positioned at first that aerodynamic wind puts detected member
In the induction region of coincidence, when having in outer housing compared with air blast (flow or flow velocity are higher, can satisfy work requirements), pneumatically
Wind puts detected member and is located at second close in inductive switching region.Determine gas control valve whether normal switching-off and open it is more smart
It is quasi-.
The present invention is in use, outer housing is serially connected in the pipeline of the rear side of gas control valve 1, and first close to switch 7 and the
Two are connected close to switch 5 with controller 6.When gas control valve 1 is opened, air-flow can be put by outer housing, aerodynamic wind in air-flow
It swings close to inductive switching region and second close in inductive switching region under effect first, such as only second is issued close to switch
(contact) signal, gas control valve work are opened normal；As the first close switch issues (contact) signal or the first close switch
(contact) signal is all issued close to switch with second, gas control valve opens failure；When gas control valve is closed, such as only first connect
Nearly switch issues (contact) signal, and gas control valve is working properly；As the second close switch sending (contact) signal or first connect
Nearly switch and second all issues (contact) signal, gas control valve closing fault close to switch.Controller will test result transmission
It is handled to the computerized control system of SA oxygenerator, computer display screen prompts " normally-open " of pneumatic control valve, " normal pass
Close ", " open failure " or " closing fault " four kinds of states.It is the configuration of the present invention is simple, low in cost, it can promptly and accurately monitor PSA
Whether gas control valve is in normally-open or is in Normal Shutdown state in oxygenerator, avoids producing production oxygen purity and oxygen-producing amount
Raw adverse effect.
Claims (5)
1. gas control valve open state monitoring device in a kind of PSA oxygenerator is equipped with outer housing, it is characterised in that on outer housing
It is located at second close to before switch close to switch close to switch, first close to switch and second equipped with first be located on the inside of outer housing
Side, interior be equipped with of outer housing is put with first close to switch and second close to the aerodynamic wind matched is switched, when airless in outer housing
By when, aerodynamic wind pendulum is located at first close in inductive switching region, and when having in outer housing compared with air blast, aerodynamic wind pendulum is located at
Second close in inductive switching region.
2. gas control valve open state monitoring device in PSA oxygenerator according to claim 1, it is characterised in that described
First close to switch and second close to switch induction region partly overlap；When airless passes through in outer housing, aerodynamic wind
Pendulum is located at first close in inductive switching region, and when there is weaker air-flow in outer housing, aerodynamic wind pendulum is located at first close to switch
In the induction region to overlap with second close to switch, when having in outer housing compared with air blast, aerodynamic wind pendulum is located at second and connects
In nearly inductive switching region.
3. gas control valve open state monitoring device in PSA oxygenerator according to claim 1 or 2, it is characterised in that
In a tubular form, outer housing both ends are equipped with the connector being connected with gas piping in PSA oxygenerator to the outer housing, and described first connects
Nearly switch and the second close central location for switching the side wall across outer housing, being located on the downside of outer housing.
4. gas control valve open state monitoring device in PSA oxygenerator according to claim 3, it is characterised in that described
First close to switch and second close to switch be proximity Hall switch, aerodynamic wind lay out be equipped with matched with proximity Hall switch
Magnetic detected member.
5. gas control valve open state monitoring device in PSA oxygenerator according to claim 4, it is characterised in that described
Aerodynamic wind pendulum be outer housing upper inner wall be equipped with wobble line, wobble line lower end be equipped with detected member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821113240.2U CN208791181U (en) | 2018-07-13 | 2018-07-13 | Gas control valve open state monitoring device in PSA oxygenerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821113240.2U CN208791181U (en) | 2018-07-13 | 2018-07-13 | Gas control valve open state monitoring device in PSA oxygenerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208791181U true CN208791181U (en) | 2019-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821113240.2U Active CN208791181U (en) | 2018-07-13 | 2018-07-13 | Gas control valve open state monitoring device in PSA oxygenerator |
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| CN (1) | CN208791181U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108584879A (en) * | 2018-07-13 | 2018-09-28 | 威海威高海盛医用设备有限公司 | Gas control valve open state monitoring device in PSA oxygenerators |
-
2018
- 2018-07-13 CN CN201821113240.2U patent/CN208791181U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108584879A (en) * | 2018-07-13 | 2018-09-28 | 威海威高海盛医用设备有限公司 | Gas control valve open state monitoring device in PSA oxygenerators |
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