CN209286412U - A kind of multiloop oxygen source automatic switching control equipment - Google Patents
A kind of multiloop oxygen source automatic switching control equipment Download PDFInfo
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- CN209286412U CN209286412U CN201820826850.0U CN201820826850U CN209286412U CN 209286412 U CN209286412 U CN 209286412U CN 201820826850 U CN201820826850 U CN 201820826850U CN 209286412 U CN209286412 U CN 209286412U
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Abstract
The utility model discloses a kind of multiloop oxygen source automatic switching control equipments, including cabinet, upper mounting plate, lower installation board and U-bolt；The utility model designs rationally in structure, practicability is very high, and structure is simple, it is at low cost, it is promoted convenient for commercialization, the installation and maintenance of components are convenient in loose joint connection, the on-off between circuit is realized using solenoid valve and check valve collective effect in each circuit, safety valve ensure that the safety with oxygen, main ventilation channel reduces influence of the buffer gas fluctuation to air in pipeline pressure, the automatic switchover between each circuit is controlled by PLC, it is suitble to large hospital oxygen system, accuracy and stability are high, multiloop design, so that when oxygen making set system failure oxygen-supplying amount is insufficient, it can directly cut-in stand-by unit or busbar connector or liquid oxygen oxygen supply, to realize continuously oxygen supply, when oxygen access needs to overhaul or repair, can the gate valve of manually opened corresponding auxiliary channel supplied oxygen.
Description
Technical field
The utility model relates to medical instruments field, specifically a kind of multiloop oxygen source automatic switching control equipment.
Background technique
Medical center oxygen generation system is also known as medical molecular sieve pressure-variable adsorption PSA oxygen generation system, be using molecular sieve as adsorbent,
Taking ambient air as raw material by pressure swing adsorption method, under conditions of Room-temperature low-pressure, in air when being pressurizeed using molecular sieve
Nitrogen (adsorbate) adsorption capacity increases, to the characteristic of the Nitrogen adsorption capacity reduction in air when decompression, formed pressurized adsorbent,
The Rapid Circulation process for depressurizing desorption, enables oxygen and nitrogen in air to separate, and carbon dioxide, gaseous acid in air and
Other gaseous oxygen compounds etc. belong to the very strong substance of molecular polarity, are difficult through molecular sieve, to keep the oxygen of output oxygen pure
Degree reaches 93%v/v or more), oxygen source switching control is the important component in medical center oxygen generation system.
Currently, the shortcomings that existing oxygen source switching device exists:
2. such automatic switching control equipment is less before, and fixes multiloop have no；
2. existing apparatus uses the automatic switchover between angle pedestal valve control loop, structure is complicated, at high cost；
3. not set safety valve in existing automatic switching control equipment, oxygen supply safety is not guaranteed；
4. existing oxygen supply supervisor does not carry out special designing, gas pressure value is easy the shadow by gas pulsation in oxygen supply supervisor
It rings, easily causes frequent start-stop, the switching in each oxygen supply circuit；
5. the not set warning device in part, some use acoustooptic alarm system, and structure is complicated, and circuit safety has to be tested
Card；
6. existing automatic switching control equipment realizes the automatic switchover between each oxygen source using pressure switch, it is suitble to small-sized Simple System
System, accuracy, stability is not high.
Therefore, those skilled in the art provide a kind of multiloop oxygen source automatic switching control equipment, to solve above-mentioned background skill
The problem of being proposed in art.
Summary of the invention
The purpose of this utility model is to provide a kind of multiloop oxygen source automatic switching control equipments, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions:
A kind of multiloop oxygen source automatic switching control equipment, including cabinet, upper mounting plate, lower installation board and U-bolt, the case
Internal portion rear upper side is connected with upper mounting plate, is connected with lower installation board, the upper mounting plate on the downside of the box house rear end
Main ventilation channel is connected by U-bolt in the middle part of lower installation board, the main ventilation channel lower end is connected with safety through cabinet
Valve, the main ventilation channel upper end extend to outside cabinet through cabinet, are connected on the left of the upper mounting plate front end by U-bolt
There is main oxygenerator connecting tube, the main oxygenerator connecting tube left end extends to outside cabinet through cabinet, the main oxygenerator connection
Pipe right end connects the first oxygen access and the first auxiliary channel, the first oxygen access and the first auxiliary channel by triple valve
The other end be all connected with main ventilation channel, busbar connector connecting tube, institute are connected with by U-bolt on the right side of the upper mounting plate front end
It states busbar connector connecting tube right end to extend to outside cabinet through cabinet, busbar connector connecting tube left end passes through triple valve connection the 4th
Oxygen access and the 4th auxiliary channel, the 4th oxygen access and the 4th auxiliary channel other end are all connected with main ventilation channel；
Spare oxygenerator connecting tube, the spare oxygenerator are connected with by U-bolt on the left of the lower installation board front end
Connecting tube left end extends to outside cabinet through cabinet, and the spare oxygenerator connecting tube right end connects the second oxygen by triple valve
Access and the second auxiliary channel, the second oxygen access and the second auxiliary channel other end are all connected with main ventilation channel, described
Liquid oxygen connecting tube is connected with by U-bolt on the right side of lower installation board front end, the liquid oxygen connecting tube right end is extended to through cabinet
Outside cabinet, liquid oxygen connecting tube left end connects third oxygen access and third auxiliary channel, the third oxygen by triple valve
Gas access and the third auxiliary channel other end are all connected with main ventilation channel, the first oxygen access, the 4th oxygen access, second
Welding loose joint, check valve and solenoid valve, first auxiliary channel, the 4th are provided on oxygen access and third oxygen access
Welding loose joint and gate valve are provided on auxiliary channel, the second auxiliary channel and third auxiliary channel.
As a further solution of the present invention: the number at least two of the welding loose joint.
The first oxygen access, the 4th oxygen access, the second oxygen are logical as a further solution of the present invention,
Road and the pipeline aperture of third oxygen access are consistent, and are less than the pipeline aperture of main ventilation channel.
The cabinet side is provided with several ventilation openings as a further solution of the present invention,.
The piping material of the main ventilation channel selects copper pipe as a further solution of the present invention,.
Compared with prior art, the utility model has the beneficial effects that
The utility model designs rationally in structure, and practicability is very high, and structure is simple, at low cost, pushes away convenient for commercialization
Extensively, the installation and maintenance of components are convenient in loose joint connection, and circuit is realized using solenoid valve and check valve collective effect in each circuit
Between on-off, safety valve ensure that the safety with oxygen, and main ventilation channel makes buffer gas fluctuation to air in pipeline pressure
It influencing to reduce, the automatic switchover between each circuit is controlled by PLC, be suitble to large hospital oxygen system, accuracy and stability are high,
Multiloop design, so that when oxygen making set system failure oxygen-supplying amount is insufficient, it can direct cut-in stand-by unit or confluence
Row or liquid oxygen oxygen supply, thus realize continuously oxygen supply, it, can be manually opened when oxygen access needs to overhaul or repair
The gate valve of corresponding auxiliary channel is supplied oxygen.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of multiloop oxygen source automatic switching control equipment.
Fig. 2 is a kind of side view of multiloop oxygen source automatic switching control equipment.
In figure: 1- cabinet, 2- upper mounting plate, 3- lower installation board, 4-U type bolt, the main ventilation channel of 5-, the primary oxygenerator of 6-
Connecting tube, the first oxygen of 7- access, the first auxiliary channel of 8-, 9- busbar connector connecting tube, the 4th oxygen access of 10-, 11- the 4th
The spare oxygenerator connecting tube of auxiliary channel, 12-, the second oxygen of 13- access, the second auxiliary channel of 14-, 15- liquid oxygen connecting tube,
16- third oxygen access, 17- third auxiliary channel, 18- weld loose joint, 19- check valve, 20- solenoid valve, 21- gate valve, 22-
Safety valve.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~2, in the utility model embodiment, a kind of multiloop oxygen source automatic switching control equipment, including cabinet 1,
Upper mounting plate 2, lower installation board 3 and U-bolt 4,1 Internal back end of the cabinet upside are connected with upper mounting plate 2, the cabinet 1
It is connected with lower installation board 3 on the downside of Internal back end, passes through U-bolt 4 in the middle part of the upper mounting plate 2 and lower installation board 3 and connects main confession
Oxygen pipeline 5, main 5 lower end of ventilation channel are connected with safety valve 22 through cabinet 1, and case is run through in main 5 upper end of ventilation channel
Body 1 extends to outside cabinet 1, is connected with main oxygenerator connecting tube 6 by U-bolt 4 on the left of 2 front end of upper mounting plate, described
Main 6 left end of oxygenerator connecting tube extends to outside cabinet 1 through cabinet 1, and main 6 right end of oxygenerator connecting tube is connected by triple valve
Connect the first oxygen access 7 and the first auxiliary channel 8, the other end of the first oxygen access 7 and the first auxiliary channel 8 is all connected with
Main ventilation channel 5,2 front end of the upper mounting plate right side are connected with busbar connector connecting tube 9, the busbar connector by U-bolt 4
9 right end of connecting tube extends to outside cabinet 1 through cabinet 1, and 9 left end of busbar connector connecting tube connects the 4th oxygen by triple valve
Access 10 and the 4th auxiliary channel 11, the 4th oxygen access 10 and 11 other end of the 4th auxiliary channel are all connected with main oxygen supply
Pipeline 5；
Spare oxygenerator connecting tube 12, the spare system are connected with by U-bolt 4 on the left of 3 front end of lower installation board
12 left end of oxygen machine connecting tube extends to outside cabinet 1 through cabinet 1, and spare 12 right end of oxygenerator connecting tube is connected by triple valve
The second oxygen access 13 and the second auxiliary channel 14 are connect, the second oxygen access 13 and 14 other end of the second auxiliary channel connect
Main ventilation channel 5 is connect, passes through U-bolt 4 on the right side of 3 front end of lower installation board and is connected with liquid oxygen connecting tube 15, the liquid oxygen connects
15 right end of adapter tube extends to outside cabinet 1 through cabinet 1, and 15 left end of liquid oxygen connecting tube connects third oxygen by triple valve and leads to
Road 16 and third auxiliary channel 17, the third oxygen access 16 and 17 other end of third auxiliary channel are all connected with main ventilation channel
5, weldering is provided on the first oxygen access 7, the 4th oxygen access 10, the second oxygen access 13 and third oxygen access 16
It takes over a job 18, check valve 19 and solenoid valve 20, first auxiliary channel 8, the 4th auxiliary channel 11,14 and of the second auxiliary channel
Welding loose joint 18 and gate valve 21 are provided on third auxiliary channel 17.
The number at least two of the welding loose joint 18.
The first oxygen access 7, the 4th oxygen access 10, the second oxygen access 13 and third oxygen access 16 pipeline
Aperture is consistent, and is less than the pipeline aperture of main ventilation channel 5.
1 side of cabinet is provided with several ventilation openings.
The piping material of the main ventilation channel 5 selects copper pipe.
The working principle of the utility model is:
The utility model relates to a kind of multiloop oxygen source automatic switching control equipment, when work, the utility model passes through monitoring master
Oxygen pressure value on ventilation channel 5 is realized when the oxygen pressure value on main ventilation channel 5 is below or above setting value, system
The automatic switchover of oxygen machine, liquid oxygen and busbar connector, while when the oxygen pressure value on main ventilation channel 5 is lower than setting, it opens automatically
Dynamic warning function reminds user to check that is, in normal operation equipment preferentially uses the one two three four oxygen access in time
Oxygen supply, the one two three four auxiliary channel is in normally off can hand when the failure of the one two three four oxygen access needs repairing
The dynamic gate valve 21 for opening corresponding auxiliary channel carries out the switching of oxygen source, concrete operating principle are as follows: the oxygen on main ventilation channel 5
When atmospheric pressure is 0.45~0.52MPa, PSA (primary) unit oxygen supply, when the oxygen pressure on main ventilation channel 5 is lower than
When 0.45MPa is more than that the oxygen pressure on 10min or main ventilation channel 5 is lower than 0.4MPa, PSA (spare) machine is enabled automatically
Group joint oxygen supply, it is automatic to start liquid oxygen joint oxygen supply when the oxygen pressure on main ventilation channel 5 is lower than 0.38MPa, when main confession
It is automatic to start busbar connector joint oxygen supply, the oxygen on main ventilation channel 5 when oxygen pressure on oxygen pipeline 5 is lower than 0.35MPa
When pressure is lower than 0.34MPa, start warning function automatically, when the oxygen pressure on main ventilation channel 5 is more than higher than 0.45MPa
When 10min, busbar connector is automatically closed, when the oxygen pressure on main ventilation channel 5, which is higher than 0.48MPa, is more than 10min, automatically
Liquid oxygen is closed, when the oxygen pressure on main ventilation channel 5, which is higher than 0.52MPa, is more than 10min, spare unit is automatically closed, when
When oxygen pressure on main ventilation channel reaches 0.55MPa, unit autostop.
The utility model designs rationally in structure, and practicability is very high, and present apparatus structure is simple, and technique is realized well, cost
It is low, it promotes and uses convenient for commercialization, the connection of components is connected using loose joint in each circuit, convenient for the installation and inspection of components
It repairs, while the on-off between circuit is realized in each circuit using solenoid valve and check valve collective effect, structure is simple, and it is at low cost, this
Safety valve is arranged in device, and when the oxygen pressure in main ventilation channel is greater than setting pressure, safety valve can be automatically turned on, and ensure that
With the safety of oxygen, unique oxygen supply supervisor design, influence of the buffer gas fluctuation to air in pipeline pressure reduces, and the present apparatus is adopted
Automatic switchover between controlling each circuit with PLC is suitble to large hospital oxygen system, and accuracy and stability are high, multiloop design,
It efficiently solves when oxygen making set system breaks down or has a power failure or oxygen consuming amount is excessive and oxygenerator oxygen-supplying amount is insufficient,
Spare unit or busbar connector or liquid oxygen oxygen supply directly can be automatically switched to from oxygenerator oxygen supply, remain to continue to supply oxygen, to realize
Continuously oxygen supply, the present apparatus are provided with manual switching device, need when oxygen access needs to overhaul or break down
When maintenance, can the gate valve of manually opened corresponding auxiliary channel supplied oxygen, realization supplies oxygen incessantly.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of multiloop oxygen source automatic switching control equipment, including cabinet (1), upper mounting plate (2), lower installation board (3) and U-bolt
(4), which is characterized in that be connected with upper mounting plate (2) on the upside of cabinet (1) Internal back end, under cabinet (1) Internal back end
Side is connected with lower installation board (3), connects main oxygen supply by U-bolt (4) in the middle part of the upper mounting plate (2) and lower installation board (3)
Pipeline (5), main ventilation channel (5) lower end is connected with safety valve (22) through cabinet (1), on the main ventilation channel (5)
End extends to cabinet (1) outside through cabinet (1), is connected with main system by U-bolt (4) on the left of upper mounting plate (2) front end
Oxygen machine connecting tube (6), main oxygenerator connecting tube (6) left end extend to cabinet (1) outside through cabinet (1), the main oxygen processed
Machine connecting tube (6) right end connects the first oxygen access (7) and the first auxiliary channel (8) by triple valve, and first oxygen is logical
The other end of road (7) and the first auxiliary channel (8) is all connected with main ventilation channel (5), is passed through on the right side of upper mounting plate (2) front end
U-bolt (4) is connected with busbar connector connecting tube (9), and busbar connector connecting tube (9) right end extends to cabinet through cabinet (1)
(1) outside, busbar connector connecting tube (9) left end connects the 4th oxygen access (10) and the 4th auxiliary channel by triple valve
(11), the 4th oxygen access (10) and the 4th auxiliary channel (11) other end are all connected with main ventilation channel (5)；
It is connected with spare oxygenerator connecting tube (12) by U-bolt (4) on the left of lower installation board (3) front end, it is described spare
Oxygenerator connecting tube (12) left end extends to cabinet (1) outside through cabinet (1), and spare oxygenerator connecting tube (12) right end is logical
It crosses triple valve and connects the second oxygen access (13) and the second auxiliary channel (14), the second oxygen access (13) and the second auxiliary
Access (14) other end is all connected with main ventilation channel (5), is connected on the right side of lower installation board (3) front end by U-bolt (4)
Liquid oxygen connecting tube (15), liquid oxygen connecting tube (15) right end extend to cabinet (1) outside through cabinet (1), the liquid oxygen connection
It manages (15) left end and passes through triple valve connection third oxygen access (16) and third auxiliary channel (17), the third oxygen access
(16) it is all connected with main ventilation channel (5) with third auxiliary channel (17) other end, the first oxygen access (7), the 4th oxygen
Welding loose joint (18), check valve (19) are provided on access (10), the second oxygen access (13) and third oxygen access (16)
With solenoid valve (20), first auxiliary channel (8), the 4th auxiliary channel (11), the second auxiliary channel (14) and third auxiliary
Welding loose joint (18) and gate valve (21) are provided on access (17).
2. a kind of multiloop oxygen source automatic switching control equipment according to claim 1, which is characterized in that the welding loose joint
(18) number at least two.
3. a kind of multiloop oxygen source automatic switching control equipment according to claim 1, which is characterized in that first oxygen is logical
Road (7), the 4th oxygen access (10), the pipeline aperture of the second oxygen access (13) and third oxygen access (16) are consistent, and
Less than the pipeline aperture of main ventilation channel (5).
4. a kind of multiloop oxygen source automatic switching control equipment according to claim 1, which is characterized in that cabinet (1) side
End is provided with several ventilation openings.
5. a kind of multiloop oxygen source automatic switching control equipment according to claim 1, which is characterized in that the main ventilation channel
(5) piping material selects copper pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820826850.0U CN209286412U (en) | 2018-05-31 | 2018-05-31 | A kind of multiloop oxygen source automatic switching control equipment |
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| CN201820826850.0U CN209286412U (en) | 2018-05-31 | 2018-05-31 | A kind of multiloop oxygen source automatic switching control equipment |
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| CN209286412U true CN209286412U (en) | 2019-08-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112811577A (en) * | 2020-12-23 | 2021-05-18 | 武汉水天一色环保科技有限公司 | PLC control system and control method for MC-MBBR (monomer blend reactor) process water pump and aerator of sewage treatment plant |
-
2018
- 2018-05-31 CN CN201820826850.0U patent/CN209286412U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112811577A (en) * | 2020-12-23 | 2021-05-18 | 武汉水天一色环保科技有限公司 | PLC control system and control method for MC-MBBR (monomer blend reactor) process water pump and aerator of sewage treatment plant |
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