CN106474577B - Lower negative pressure suction controller - Google Patents
Lower negative pressure suction controller Download PDFInfo
- Publication number
- CN106474577B CN106474577B CN201611092355.3A CN201611092355A CN106474577B CN 106474577 B CN106474577 B CN 106474577B CN 201611092355 A CN201611092355 A CN 201611092355A CN 106474577 B CN106474577 B CN 106474577B
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- China
- Prior art keywords
- valve
- vacuum
- negative pressure
- ball valve
- vacuum solenoid
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M39/24—Check- or non-return valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
Abstract
The invention discloses lower negative pressure suction controllers, including the second vacuum solenoid, vacuum pilot valve A, first ball valve, B/P EGR Back Pressure Transducer EGR Y, third vacuum solenoid, shutoff valve C, 4th vacuum solenoid, second ball valve, vacuum pilot valve B, 4th ball valve, vacuum regulating valve, third ball valve, 6th ball valve, 5th ball valve, negative pressure delays basin, vacuum check valve, first vacuum solenoid, B/P EGR Back Pressure Transducer EGR X, control module, high vacuum input port, transfinite port, lower negative pressure outlet, the negative pressure value of the adjustable lower negative pressure outlet of the present invention, use scope is wide, it is highly-safe.
Description
Technical field
The present invention relates to lower negative pressure suction controllers.
Background technique
With the construction and development of hospital, existing various regions hospital is assembled with central suction system, because of general central suction
Its negative pressure value of system is -0.04MPa~-0.07MPa.Because newborn is because its mucous membrane is very thin, internal organs are tender small, if using in general
Heart attraction system, high negative pressure may injure newborn and cause malpractice, neonatal attraction negative pressure should control-
9~-13KPa；The waste gas discharge of anesthetic machine attraction of operating room requires negative pressure that should control in -10~-15KPa；Oral cavity attraction requires negative
Pressure should be controlled in -15~-18KPa.The output negative pressure value of existing central suction system be it is fixed, can not adjust, therefore nothing
Method meets the requirement of people, and existing central suction system can be malfunctioned due to misoperation or aspirator pressure regulation, and height is negative
Pressure is applied to patient, influences the safety of patient.
Summary of the invention
It is insufficient in existing product the purpose of the present invention is overcoming, a kind of lower negative pressure suction controller is provided.
In order to achieve the above object, the present invention is achieved by the following technical solutions:
Lower negative pressure suction controller, including the second vacuum solenoid, vacuum pilot valve A, the first ball valve, B/P EGR Back Pressure Transducer EGR Y,
Third vacuum solenoid, shutoff valve C, the 4th vacuum solenoid, the second ball valve, vacuum pilot valve B, the 4th ball valve, vacuum pressure regulation
Valve, third ball valve, the 6th ball valve, the 5th ball valve, negative pressure delay basin, vacuum check valve, the first vacuum solenoid, B/P EGR Back Pressure Transducer EGR
X, control module, high vacuum input port, the port that transfinites, lower negative pressure outlet, high vacuum input port connection shutoff valve C, shutoff valve C,
Control module, B/P EGR Back Pressure Transducer EGR Y, the second vacuum solenoid, the first ball valve, the 4th vacuum solenoid, the second ball valve, the 4th ball valve
Third vacuum solenoid is all connected, control module connects vacuum pilot valve A by the second vacuum solenoid, and the first ball valve passes through true
Empty the 5th ball valve of pilot valve A connection, the 5th ball valve, the 6th ball valve, third ball valve all connect negative pressure and delay basin, and the second ball valve passes through
The 6th ball valve of vacuum pilot valve B connection, control module connect vacuum pilot valve B by the 4th vacuum solenoid, and the 4th ball valve is logical
Vacuum regulating valve connection third ball valve is crossed, control module delays basin by B/P EGR Back Pressure Transducer EGR X connection negative pressure, and control module also passes through
First vacuum solenoid connects negative pressure and delays basin, and the first vacuum solenoid connects the port that transfinites, and negative pressure delays basin and passes through vacuum list
The port that transfinites is connected to valve, negative pressure delays the outlet of basin connection lower negative pressure.
The invention also includes shut-off valve M, negative pressure is delayed basin and is exported by shut-off valve M connection lower negative pressure.
The invention also includes shut-off valve J, fast interface E, overhaul reserve controller, fast interface F, shut-off valve D, third is true
Empty solenoid valve connects shut-off valve J, and shut-off valve J is passed through by fast interface E connection overhaul reserve controller, overhaul reserve controller
Fast interface F connection shut-off valve D, shut-off valve D connection negative pressure delay basin.
Second vacuum solenoid is two-position three way vacuum solenoid.
Third vacuum solenoid is open type vacuum solenoid.
4th vacuum solenoid is two-position three way vacuum solenoid.
First vacuum solenoid is two-position three way vacuum solenoid.
Vacuum check valve is mechanical pressure check valve.
Beneficial effects of the present invention are as follows: the present invention is adjusted by B/P EGR Back Pressure Transducer EGR X, B/P EGR Back Pressure Transducer EGR Y, control module
The negative pressure value of lower negative pressure outlet, use scope are wide；The present invention will not make high negative pressure because misoperation or aspirator pressure regulation malfunction
It uses with patient, ensure that the safety used；The present invention by shut-off valve J, fast interface E, overhaul reserve controller, quickly
Interface F, shut-off valve D overhaul lower negative pressure suction controller, overhaul very convenient；Vacuum check valve is mechanical pressure
Check valve, it is highly-safe as the safety guarantee under power failure.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
Technical solution of the present invention is described further with reference to the accompanying drawings of the specification:
As shown in Figure 1, lower negative pressure suction controller, including the second vacuum solenoid 1, vacuum pilot valve A2, the first ball valve
3, B/P EGR Back Pressure Transducer EGR Y4, third vacuum solenoid 5, shutoff valve C 6, the 4th vacuum solenoid 7, the second ball valve 8, vacuum pilot valve
B9, the 4th ball valve 12, vacuum regulating valve 13, third ball valve 15, the 6th ball valve 18, the 5th ball valve 19, negative pressure delay basin 21, vacuum
Check valve 23, the first vacuum solenoid 24, B/P EGR Back Pressure Transducer EGR X25, control module 26, high vacuum input port 20, the port 30 that transfinites,
Lower negative pressure outlet 31, high vacuum input port 20 connects shutoff valve C 6, shutoff valve C 6, control module 26, B/P EGR Back Pressure Transducer EGR Y4, second
Vacuum solenoid 1, the first ball valve 3, the 4th vacuum solenoid 7, the second ball valve 8, the 4th ball valve 12 all connect third vacuum electromagnetic
Valve 5, control module 26 connect vacuum pilot valve A2 by the second vacuum solenoid 1, and the first ball valve 3 is connected by vacuum pilot valve A2
The 5th ball valve 19 is connect, the 5th ball valve 19, the 6th ball valve 18, third ball valve 15 all connect negative pressure and delay basin 21, and the second ball valve 8 passes through
The 6th ball valve 18 of vacuum pilot valve B9 connection, control module 26 by the 4th vacuum solenoid 7 connect vacuum pilot valve B9, the 4th
Ball valve 12 connects third ball valve 15 by vacuum regulating valve 13, and control module 26 passes through the slow storage of B/P EGR Back Pressure Transducer EGR X25 connection negative pressure
Tank 21, control module 26 also connect negative pressure by the first vacuum solenoid 24 and delay basin 21, and the connection of the first vacuum solenoid 24 is super
Port 30 is limited, negative pressure delays basin 21 and connects the port 30 that transfinites by vacuum check valve 23, and the slow basin 21 of negative pressure connects lower negative pressure and goes out
Mouth 31.The invention also includes shut-off valve M32, negative pressure delays basin 21 and passes through shut-off valve M32 connection lower negative pressure outlet 31.The present invention is also
Including shut-off valve J10, fast interface E11, overhaul reserve controller 14, fast interface F16, shut-off valve D17, third vacuum electromagnetic
Valve 5 connects shut-off valve J, and for shut-off valve J by fast interface E11 connection overhaul reserve controller 14, overhaul reserve controller 14 is logical
Fast interface F16 connection shut-off valve D17 is crossed, shut-off valve D17 connection negative pressure delays basin 21.
Second vacuum solenoid 1 is two-position three way vacuum solenoid, and third vacuum solenoid 5 is open type vacuum electromagnetic
Valve, the 4th vacuum solenoid 7 are two-position three way vacuum solenoid, and the first vacuum solenoid 24 is two-position three way vacuum solenoid,
Vacuum check valve 23 is mechanical pressure check valve.
As shown in Figure 1, when the negative pressure value in negative pressure buffering basin 21 is lower than setting (lower limit) value, high vacuum input port 20
The high vacuum negative pressure of output is through shutoff valve C 6 and third vacuum solenoid 5, Fen Sanlu, and the first via is through the first ball valve 3, vacuum guide
After valve A2, the 5th ball valve 19 enter negative pressure buffer basin 21, because negative pressure buffering storage tank volume it is larger so that high vacuum be diffused as it is low
Vacuum.The opening and closing of vacuum pilot valve A2 are controlled by the second vacuum solenoid 1, when the negative pressure in negative pressure buffering basin 21 reaches
To setting negative pressure value (upper limit) when, B/P EGR Back Pressure Transducer EGR X25 signal is issued after operation and closes the second vacuum electric to control module 26
Vacuum pilot valve A2 is closed in the instruction of magnet valve 1 immediately, repeatedly, so that the negative pressure value of negative pressure buffering basin (21) is maintained at
Within the scope of preset use value.Second the second ball valve of tunnel 8, vacuum pilot valve B9, the 6th ball valve 18 enter negative pressure and buffer
Basin 21, tracking of this road as time and negative pressure, when negative pressure be lower than again setting lower limit value or on all the way service time be more than
Setting value, and when negative pressure buffering basin 21 is still not up to upper limit value, this road is open-minded, illustrates that system dosage is very big or the first via at this time
Faulty, this road is emergency power, this road is opened and closed by B/P EGR Back Pressure Transducer EGR X25, control module 26, the 4th vacuum electromagnetic
Valve 7, vacuum pilot valve B9 are completed.Third routes the 4th ball valve 12, vacuum regulating valve 13, third ball valve 15 and forms, because of vacuum tune
Pressure valve is limited by vacuum pressure, does not have so big flow, and supplement when in this as small flow reduces the defeated of lower negative pressure
It fluctuates out, and the Emergency use under power failure.
As shown in Figure 1, by B/P EGR Back Pressure Transducer EGR X25, the first vacuum solenoid 24, control module 26 and third vacuum electromagnetic
Valve 5 forms Negative pressure overproofed and protects system.In the case where equipment generates failure, when B/P EGR Back Pressure Transducer EGR X25 monitors that negative pressure buffers
Negative pressure value in basin 21 is more than setting value, and when negative pressure continues to increase, control module 26 will be respectively to the first vacuum solenoid
24 and third vacuum solenoid 5 issue instruction, opening the first vacuum solenoid 24 transfinites port, so that air enters negative pressure buffering
Basin 21, to reduce the vacuum degree of system；Instruction, which is issued, to third vacuum solenoid 5 closes negative pressure source.B/P EGR Back Pressure Transducer EGR Y4 and
Control module 26 forms super, the deficient alarm system of negative pressure source.Vacuum check valve 23 is mechanical pressure check valve, in this as
Safety guarantee under power failure.Shut-off valve J, fast interface E, overhaul reserve controller, fast interface F, shut-off valve D are to low negative
Pressure suction controller is overhauled, and is overhauled very convenient.
The present invention adjusts the negative pressure value of lower negative pressure outlet by B/P EGR Back Pressure Transducer EGR X, B/P EGR Back Pressure Transducer EGR Y, control module, makes
It is wide with range；High negative pressure will not be applied to patient, ensure that makes by the present invention because misoperation or aspirator pressure regulation malfunction
Safety；The present invention is by shut-off valve J, fast interface E, overhaul reserve controller, fast interface F, shut-off valve D to lower negative pressure
Suction controller is overhauled, and is overhauled very convenient；Vacuum check valve is mechanical pressure check valve, as under power failure
Safety guarantee, it is highly-safe.
It should be noted that listed above is only a kind of specific embodiment of the invention.It is clear that the invention is not restricted to
Upper embodiment, acceptable there are many deformations.
In short, all changes that those skilled in the art directly can export or associate from present disclosure
Shape is considered as protection scope of the present invention.
Claims (8)
1. lower negative pressure suction controller, which is characterized in that including the second vacuum solenoid (1), vacuum pilot valve A (2), the first ball
Valve (3), B/P EGR Back Pressure Transducer EGR Y (4), third vacuum solenoid (5), shutoff valve C (6), the 4th vacuum solenoid (7), the second ball valve
(8), vacuum pilot valve B (9), the 4th ball valve (12), vacuum regulating valve (13), third ball valve (15), the 6th ball valve (18), the 5th
Ball valve (19), negative pressure delay basin (21), vacuum check valve (23), the first vacuum solenoid (24), B/P EGR Back Pressure Transducer EGR X (25), control
Molding block (26), high vacuum input port (20), the port that transfinites (30), lower negative pressure outlet (31), the high vacuum input port (20)
Connect shutoff valve C (6), the shutoff valve C (6), control module (26), B/P EGR Back Pressure Transducer EGR Y (4), the second vacuum solenoid (1),
First ball valve (3), the 4th vacuum solenoid (7), the second ball valve (8), the 4th ball valve (12) all connect third vacuum solenoid
(5), for the control module (26) by the second vacuum solenoid (1) connection vacuum pilot valve A (2), first ball valve (3) is logical
Vacuum pilot valve A (2) the 5th ball valve (19) of connection is crossed, the 5th ball valve (19), the 6th ball valve (18), third ball valve (15) are all
It connects negative pressure and delays basin (21), second ball valve (8) passes through the 6th ball valve (18) of vacuum pilot valve B (9) connection, the control
Module (26) passes through vacuum pressure regulation by the 4th vacuum solenoid (7) connection vacuum pilot valve B (9), the 4th ball valve (12)
Valve (13) connects third ball valve (15), and the control module (26) connects negative pressure by B/P EGR Back Pressure Transducer EGR X (25) and delays basin (21),
The control module (26) also connects negative pressure by the first vacuum solenoid (24) and delays basin (21), first vacuum solenoid
(24) connection is transfinited port (30), and the negative pressure delays basin (21) to be transfinited port (30) by vacuum check valve (23) connection, institute
It states negative pressure and delays basin (21) connection lower negative pressure outlet (31).
2. lower negative pressure suction controller according to claim 1, which is characterized in that further include (32) shut-off valve M, the negative pressure
Slow basin (21) connect lower negative pressure outlet (31) by shut-off valve M (32).
3. lower negative pressure suction controller according to claim 1, which is characterized in that further include shut-off valve J (10), fast interface
E (11), overhaul reserve controller (14), fast interface F (16), shut-off valve D (17), third vacuum solenoid (5) connection
Shut-off valve J, the shut-off valve J pass through fast interface E (11) connection overhaul reserve controller (14), the overhaul reserve controller
(14) by fast interface F (16) connection shut-off valve D (17), shut-off valve D (17) the connection negative pressure delays basin (21).
4. lower negative pressure suction controller according to claim 1, which is characterized in that second vacuum solenoid (1) is two
Position threeway vacuum solenoid.
5. lower negative pressure suction controller according to claim 1, which is characterized in that the third vacuum solenoid (5) is normal
Open form vacuum solenoid.
6. lower negative pressure suction controller according to claim 1, which is characterized in that the 4th vacuum solenoid (7) is two
Position threeway vacuum solenoid.
7. lower negative pressure suction controller according to claim 1, which is characterized in that first vacuum solenoid (24) is two
Position threeway vacuum solenoid.
8. lower negative pressure suction controller according to claim 1, which is characterized in that the vacuum check valve (23) is mechanical
Pressure check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611092355.3A CN106474577B (en) | 2016-11-30 | 2016-11-30 | Lower negative pressure suction controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611092355.3A CN106474577B (en) | 2016-11-30 | 2016-11-30 | Lower negative pressure suction controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106474577A CN106474577A (en) | 2017-03-08 |
| CN106474577B true CN106474577B (en) | 2019-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611092355.3A Active CN106474577B (en) | 2016-11-30 | 2016-11-30 | Lower negative pressure suction controller |
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| CN (1) | CN106474577B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2019884B1 (en) * | 2017-11-10 | 2019-05-17 | Crea Ip B V | Pressure control unit for an ophthalmic surgical system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002065843A (en) * | 2000-08-31 | 2002-03-05 | Hama Ika Kogyo Kk | Evacuator for medical use having vacuum breaker |
| CN2805782Y (en) * | 2005-04-18 | 2006-08-16 | 杨克训 | Vacuum suction device |
| PT3068458T (en) * | 2013-11-14 | 2023-04-19 | Deroyal Ind Inc | System for monitoring and controlling negative pressure wound therapy |
| CN204542999U (en) * | 2015-03-27 | 2015-08-12 | 浙江丽兹医用工程有限公司 | Medical central sucking system |
| CN104815386A (en) * | 2015-04-23 | 2015-08-05 | 广州新诚生物科技有限公司 | Negative pressure drainage system capable of monitoring pressure of wound surface in real time |
| CN205350444U (en) * | 2016-01-05 | 2016-06-29 | 杭州依技设备成套工程有限公司 | Gaseous automatic switch -over machine |
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2016
- 2016-11-30 CN CN201611092355.3A patent/CN106474577B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106474577A (en) | 2017-03-08 |
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