CN106474577A - Lower negative pressure suction controller - Google Patents
Lower negative pressure suction controller Download PDFInfo
- Publication number
- CN106474577A CN106474577A CN201611092355.3A CN201611092355A CN106474577A CN 106474577 A CN106474577 A CN 106474577A CN 201611092355 A CN201611092355 A CN 201611092355A CN 106474577 A CN106474577 A CN 106474577A
- Authority
- CN
- China
- Prior art keywords
- vacuum
- valve
- negative pressure
- ball valve
- vacuum solenoid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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 controller, including the second vacuum solenoid, vacuum pilot valve A, first ball valve, B/P EGR Back Pressure Transducer EGR Y, 3rd vacuum solenoid, shutoff valve C, 4th vacuum solenoid, second ball valve, vacuum pilot valve B, 4th ball valve, vacuum regulating valve, 3rd 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 gas port, lower negative pressure is exported, the present invention can adjust the negative pressure value of lower negative pressure outlet, range is wide, safe.
Description
Technical field
The present invention relates to lower negative pressure suction controller.
Background technology
With construction and the development of hospital, existing various places hospital is assembled with central suction system, because of general central suction
Its negative pressure value of system is -0.04MPa～-0.07MPa.Because neonate is because its mucous membrane is very thin, internal organs are tender little, if using in general
Heart attraction system, its high negative pressure may injure neonate and cause malpractice, neonatal attraction negative pressure should control-
9～-13KPa；The waste gas discharge of anesthetic machine of operating room attracts to require that negative pressure should control in -10～-15KPa；Oral cavity attraction requires negative
Pressure should control in -15～-18KPa.The output negative pressure value of existing central suction system is fixing, it is impossible to adjust, therefore Wu
Method meets the requirement of people, and existing central suction system can be malfunctioned due to misoperation or attractor pressure regulation, will be high negative
Pressure is applied to patient, affects the safety of patient.
Content of the invention
The purpose of the present invention is to overcome deficiency in existing product, provides a kind of lower negative pressure suction controller.
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,
3rd 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, the 3rd 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 gas 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
All connect the 3rd vacuum solenoid, control module connects vacuum pilot valve A by the second vacuum solenoid, the first ball valve is by true
Empty pilot valve A connects the 5th ball valve, and the 5th ball valve, the 6th ball valve, the 3rd ball valve all connect negative pressure and delay basin, and the second ball valve passes through
Vacuum pilot valve B connects the 6th ball valve, and control module connects vacuum pilot valve B by the 4th vacuum solenoid, and the 4th ball valve leads to
Cross vacuum regulating valve connect the 3rd ball valve, control module by B/P EGR Back Pressure Transducer EGR X connect negative pressure delay basin, control module also by
First vacuum solenoid connection negative pressure delays basin, and the first vacuum solenoid connects the gas port that transfinites, and negative pressure is delayed basin and passes through vacuum list
Connect, to valve, the gas port that transfinites, negative pressure delays basin connection lower negative pressure outlet.
Present invention additionally comprises stop valve M, the slow basin of negative pressure is by stop valve M connection lower negative pressure outlet.
Present invention additionally comprises stop valve J, fast interface E, overhaul reserve controller, fast interface F, stop valve D, the 3rd is true
Empty magnetic valve connection stop valve J, stop valve J connect overhaul reserve controller by fast interface E, and overhaul reserve controller passes through
Fast interface F connection stop valve D, stop valve D connection negative pressure delays basin.
Second vacuum solenoid is two-position three way vacuum solenoid.
3rd 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 by B/P EGR Back Pressure Transducer EGR X, B/P EGR Back Pressure Transducer EGR Y, control module adjusting
The negative pressure value of lower negative pressure outlet, range are wide；The present invention is malfunctioned because of misoperation or attractor pressure regulation, will not be made high negative pressure
Use with patient, it is ensured that the safety for using；The present invention is by stop valve J, fast interface E, overhaul reserve controller, quick
Interface F, stop valve D are overhauled to lower negative pressure suction controller, are overhauled very convenient；Vacuum check valve is mechanical pressure
Check valve, as the safety guarantee under power down mode, safe.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Specific embodiment
Technical scheme is described further with reference to Figure of description：
As shown in figure 1, lower negative pressure suction controller, including the second vacuum solenoid 1, vacuum pilot valve A2, the first ball valve
3rd, B/P EGR Back Pressure Transducer EGR Y4, the 3rd 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, the 3rd 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 gas port 30 that transfinites,
Lower negative pressure outlet 31, high vacuum input port 20 connect 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 the 3rd 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, the 3rd ball valve 15 all connect negative pressure and delay basin 21, the second ball valve 8 passes through
Vacuum pilot valve B9 connect the 6th ball valve 18, control module 26 by the 4th vacuum solenoid 7 connect vacuum pilot valve B9, the 4th
Ball valve 12 connects the 3rd ball valve 15 by vacuum regulating valve 13, and control module 26 connects the slow storage of negative pressure by B/P EGR Back Pressure Transducer EGR X25
Tank 21, control module 26 connect negative pressure also by the first vacuum solenoid 24 and delay basin 21, and the connection of the first vacuum solenoid 24 is super
Limit gas port 30, negative pressure delay basin 21 and connect, by vacuum check valve 23, the gas port 30 that transfinites, and the slow basin 21 of negative pressure connects lower negative pressure and goes out
Mouth 31.Present invention additionally comprises stop valve M32, the slow basin 21 of negative pressure is by stop valve M32 connection lower negative pressure outlet 31.The present invention is also
Including stop valve J10, fast interface E11, overhaul reserve controller 14, fast interface F16, stop valve D17, the 3rd vacuum electromagnetic
Valve 5 connects stop valve J, stop valve J and connects overhaul reserve controller 14 by fast interface E11, and overhaul reserve controller 14 leads to
Cross fast interface F16 connection stop valve D17, stop valve D17 connection negative pressure and delay basin 21.
Second vacuum solenoid 1 is two-position three way vacuum solenoid, and the 3rd vacuum solenoid 5 is open type vacuum electromagnetic
Valve, the 4th vacuum solenoid 7 is 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 less than (lower limit) value is set, high vacuum input port 20
, through shutoff valve C 6 and the 3rd vacuum solenoid 5, Fen Sanlu, the first via is through the first ball valve 3, vacuum guide for the high vacuum negative pressure of output
Negative pressure buffering basin 21 is entered after valve A2, the 5th ball valve 19, because negative pressure buffering storage tank volume is larger so that high vacuum is diffused as low
Vacuum.The opening and closing of vacuum pilot valve A2 are controlled by the second vacuum solenoid 1, are reached when negative pressure buffers the negative pressure in basin 21
During to negative pressure value (upper limit) for setting, B/P EGR Back Pressure Transducer EGR X25 signal sends the second vacuum electric of closing to control module 26 after computing
The instruction of magnet valve 1, closes vacuum pilot valve A2, so repeatedly so that the negative pressure value of negative pressure buffering basin (21) is maintained at immediately
In the range of use value set in advance.Second the second ball valve of tunnel 8, vacuum pilot valve B9, the 6th ball valve 18 enter negative pressure buffering
Basin 21, this road as the tracking of time and negative pressure, when negative pressure exceedes less than the mono- tunnel service time of lower limit Huo Shang for setting again
Setting value, and when negative pressure buffering basin 21 is still not up to higher limit, this road is open-minded, and the system consumption very big or first via is now described
Faulty, this road is emergency power, the opening and closing by B/P EGR Back Pressure Transducer EGR X25, control module 26, the 4th vacuum electromagnetic of this road
Valve 7, vacuum pilot valve B9 are completed.3rd the 4th ball valve 12 of route, vacuum regulating valve 13, the 3rd ball valve 15 constitute, because vacuum is adjusted
Pressure valve is limited by vacuum pressure, does not have so big flow, in this as supplement during low discharge, reduces the defeated of lower negative pressure
Go out fluctuation, and the Emergency use under power down mode.
As shown in figure 1, by B/P EGR Back Pressure Transducer EGR X25, the first vacuum solenoid 24, control module 26 and the 3rd vacuum electric
Magnet valve 5 constitutes Negative pressure overproofed protection system.In the case that equipment produces fault, when B/P EGR Back Pressure Transducer EGR X25 monitors that negative pressure is delayed
The negative pressure value that rushes in basin 21 exceedes setting value, and when negative pressure continues to raise, control module 26) will be respectively to the first vacuum electromagnetic
Valve 24 and the 3rd vacuum solenoid 5 send instruction, and opening the first vacuum solenoid 24 transfinites gas port so that air enters negative pressure and delays
Basin 21 is rushed, to reduce the vacuum of system；Instruction is sent to the 3rd vacuum solenoid 5 and close negative pressure source.B/P EGR Back Pressure Transducer EGR Y4
Constitute super, the deficient warning system of negative pressure source with control module 26.Vacuum check valve 23 is mechanical pressure check valve, and here is made
For the safety guarantee under power down mode.Stop valve J, fast interface E, overhaul reserve controller, fast interface F, stop valve D are to low
Vacuum suction controller is overhauled, and is overhauled very convenient.
The present invention by B/P EGR Back Pressure Transducer EGR X, B/P EGR Back Pressure Transducer EGR Y, control module come adjust lower negative pressure outlet negative pressure value, make
Wide with scope；The present invention is malfunctioned because of misoperation or attractor pressure regulation, high negative pressure will not be applied to patient, it is ensured that make
Safety；The present invention is by stop valve J, fast interface E, overhaul reserve controller, fast interface F, stop valve D to lower negative pressure
Suction controller is overhauled, and is overhauled very convenient；Vacuum check valve is mechanical pressure check valve, used as under power down mode
Safety guarantee, safe.
It should be noted that listed above be only the present invention a kind of specific embodiment.It is clear that the invention is not restricted to
Upper embodiment, can also have many deformation.
In a word, all changes that one of ordinary skill in the art can directly derive from present disclosure or associate
Shape, is all considered as protection scope of the present invention.
Claims (8)
1. lower negative pressure suction controller, it is characterised 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), the 3rd 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), the 3rd 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 gas port that transfinites (30), lower negative pressure outlet (31), high vacuum input port (20)
Connection shutoff valve C (6), 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 the 3rd vacuum solenoid
(5), described control module (26) by the second vacuum solenoid (1) connection vacuum pilot valve A (2), described first ball valve (3) lead to
Cross vacuum pilot valve A (2) and connect the 5th ball valve (19), the 5th ball valve (19), the 6th ball valve (18), the 3rd ball valve (15) are all
Connection negative pressure delays basin (21), and described second ball valve (8) connect the 6th ball valve (18), the control by vacuum pilot valve B (9)
Module (26) connects vacuum pilot valve B (9) by the 4th vacuum solenoid (7), and the 4th ball valve (12) passes through vacuum pressure regulation
Valve (13) connects the 3rd ball valve (15), and described control module (26) connect negative pressure by B/P EGR Back Pressure Transducer EGR X (25) and delay basin (21),
Control module (26) delay basin (21), first vacuum solenoid also by the first vacuum solenoid (24) connection negative pressure
(24) connect the gas port (30) that transfinites, the negative pressure is delayed basin (21) and connects the gas port (30) that transfinites, institute by vacuum check valve (23)
State negative pressure and delay basin (21) connection lower negative pressure outlet (31).
2. lower negative pressure suction controller according to claim 1, it is characterised in that also include stop valve M (32), the negative pressure
Slow basin (21) connect lower negative pressure outlet (31) by stop valve M (32).
3. lower negative pressure suction controller according to claim 1, it is characterised in that also include stop valve J (10), fast interface
E (11), overhaul reserve controller (14), fast interface F (16), stop valve D (17), the 3rd vacuum solenoid (5) connection
Stop valve J, the stop valve J connect overhaul reserve controller (14), the overhaul reserve controller by fast interface E (11)
(14) stop valve D (17) is connected by fast interface F (16), described stop valve D (17) connection negative pressure delays basin (21).
4. lower negative pressure suction controller according to claim 1, it is characterised in that described second vacuum solenoid (1) is two
Position threeway vacuum solenoid.
5. lower negative pressure suction controller according to claim 1, it is characterised in that the 3rd vacuum solenoid (5) is normal
Open form vacuum solenoid.
6. lower negative pressure suction controller according to claim 1, it is characterised in that the 4th vacuum solenoid (7) is two
Position threeway vacuum solenoid.
7. lower negative pressure suction controller according to claim 1, it is characterised in that described first vacuum solenoid (24) are two
Position threeway vacuum solenoid.
8. lower negative pressure suction controller according to claim 1, it is characterised in that vacuum check valve (23) are 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 true CN106474577A (en) | 2017-03-08 |
| CN106474577B CN106474577B (en) | 2019-01-01 |
Family
ID=58274881
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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106474577B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210187173A1 (en) * | 2017-11-10 | 2021-06-24 | Crea Ip B.V. | Pressure control unit for an ophthalmic surgical system |
Citations (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 |
| US20150133829A1 (en) * | 2013-11-14 | 2015-05-14 | Deroyal Industries, Inc. | System for Monitoring and Controlling Negative Pressure Wound Therapy |
| 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 |
| CN204542999U (en) * | 2015-03-27 | 2015-08-12 | 浙江丽兹医用工程有限公司 | Medical central sucking system |
| 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 |
-
2016
- 2016-11-30 CN CN201611092355.3A patent/CN106474577B/en active Active
Patent Citations (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 |
| US20150133829A1 (en) * | 2013-11-14 | 2015-05-14 | Deroyal Industries, 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210187173A1 (en) * | 2017-11-10 | 2021-06-24 | Crea Ip B.V. | Pressure control unit for an ophthalmic surgical system |
| US11738135B2 (en) * | 2017-11-10 | 2023-08-29 | Crea Ip B.V. | Pressure control unit for an ophthalmic surgical system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106474577B (en) | 2019-01-01 |
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