CN117387158B - Air conditioning device for fast switching positive and negative pressure operating room - Google Patents
Air conditioning device for fast switching positive and negative pressure operating room Download PDFInfo
- Publication number
- CN117387158B CN117387158B CN202311694311.8A CN202311694311A CN117387158B CN 117387158 B CN117387158 B CN 117387158B CN 202311694311 A CN202311694311 A CN 202311694311A CN 117387158 B CN117387158 B CN 117387158B
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- Prior art keywords
- negative pressure
- lateral
- operating room
- positive
- air
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 17
- 238000009423 ventilation Methods 0.000 claims abstract description 66
- 238000004891 communication Methods 0.000 claims description 32
- 230000007306 turnover Effects 0.000 claims description 30
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/065—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit fan combined with single duct; mounting arrangements of a fan in a duct
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/40—Pressure, e.g. wind pressure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention relates to the technical field of positive and negative pressure regulation, in particular to an air conditioning device for a rapid switching positive and negative pressure operating room. The air conditioning device for the rapid switching type positive and negative pressure operating room can rapidly switch the positive and negative pressure of the internal pressure of the operating room according to the needs by adopting the rapid switching mechanism, so that the application scene is more various; the internal positive and negative pressure can be changed in a single operating room, the operating rooms with different positive and negative pressures are not required to be designed respectively, and the construction cost is greatly reduced; through adjusting the angle of convertible inside regulation frame, can adjust ventilation branch's inside air flow direction fast to control the inside pressure of operating room, the operation is very simple and convenient.
Description
Technical Field
The invention relates to the technical field of positive and negative pressure regulation, in particular to an air conditioning device for a rapid switching positive and negative pressure operating room.
Background
Clean operating rooms on the market are divided into a positive pressure operating room and a negative pressure operating room, wherein the positive pressure clean operating room is an operating room in which the relative pressure in the operating room is greater than that in the adjacent room and has a cleanliness level. Its main protection object is mainly operation patient. The negative pressure operating room is typically an operating room without a level of cleanliness. The relative pressure in the operating room is less than the relative pressure in the adjacent room. Its protecting object is mainly medical staff and surrounding environment.
The requirement of the negative pressure operating room for the air outlet is that the lower end of the inner side wall of the operating room is arranged at one side of the anesthesia working area near to the head of the patient and at the top.
At present, positive pressure and negative pressure operating rooms on the market adopt a single design mode, and positive pressure and negative pressure cannot be switched in a short time, so that the operating rooms are single in applicable scene.
Disclosure of Invention
The invention aims to solve the technical problems that: at present, positive pressure and negative pressure operating rooms on the market adopt a single design mode, and positive pressure and negative pressure cannot be switched in a short time, so that the operating rooms are single in applicable scene.
The technical scheme adopted for solving the technical problems is as follows: the air conditioning device for the rapid switching type positive and negative pressure operating room comprises a main ventilation pipeline and a ventilation branch pipe, wherein the main ventilation pipeline is arranged outside the positive and negative pressure operating room, the ventilation branch pipe is arranged on the top surface of the positive and negative pressure operating room, an electric control type positive and negative pressure switching module is arranged between the main ventilation pipeline and the ventilation branch pipe, and the electric control type positive and negative pressure switching module comprises a communication housing, a built-in flow guiding device and an internal regulating mechanism;
the communication housing comprises a lateral communication housing and an arc-shaped air guide housing, wherein the lateral communication housing is fixed between the main ventilation pipeline and the ventilation branch pipe, and the arc-shaped air guide housing is fixed at one side of the lateral communication housing;
the built-in flow guiding device comprises a turnover internal adjusting frame, an electric centrifugal fan and an electric control stay bar which are movably assembled in the lateral communication housing;
the internal adjusting mechanism comprises a butterfly valve arranged on the inner side of the turnover internal adjusting frame and an embedded stay bar arranged on the side wall of the turnover internal adjusting frame.
The outer side of the main ventilating duct is positioned at two sides of the lateral communicating housing, lateral flow guiding ports are formed in the outer side of the lateral flow guiding ports, and the arc-shaped flow guiding housing is communicated with the main ventilating duct and the lateral communicating housing from the outer housing.
Lateral assembly blind holes are symmetrically formed in the inner side face of the lateral communication housing, and the turnover type internal adjusting frame is inserted into the lateral assembly blind holes through mounting shafts on two sides of the connecting end to be movably connected with the lateral communication housing.
The electric control stay bar is inserted into the lateral assembly blind hole through the lateral connecting shaft and is movably assembled with the lateral communication housing, lateral accommodating grooves matched with the electric control stay bar are formed in the side wall of the turnover type internal adjusting frame, and the top of the telescopic section of the electric control stay bar is inserted into the mounting hole on the inner side surface of the lateral accommodating grooves through the lateral assembly bracket and is movably assembled with the turnover type internal adjusting frame.
The side wall of the turnover type internal adjusting frame is provided with an annular assembly groove for installing the electric centrifugal fan, and the upper end and the lower end of the turnover type internal adjusting frame are provided with strip-shaped air outlets communicated with the inside of the annular assembly groove.
And an arc-shaped sealing frame is fixedly assembled on the side wall of the turnover type internal adjusting frame and positioned at the periphery of the annular assembly groove.
And pressure sensing modules are fixedly assembled on the two side walls of the butterfly valve.
And a fixed limiting frame matched with the turnover type internal adjusting frame is fixed on the inner side surface of the main ventilating duct.
The windward side of the fixed limiting frame is provided with a diversion inclined plane with an integrated structure.
The inner side surface of the main ventilation pipeline is provided with an inclined air guide sleeve which is positioned at the periphery of the lateral air guide opening.
The beneficial effects of the invention are as follows:
(1) The air conditioning device for the rapid switching type positive and negative pressure operating room can rapidly switch the positive and negative pressure of the internal pressure of the operating room according to the needs by adopting the rapid switching mechanism, so that the application scene is more various;
(2) The internal positive and negative pressure can be changed in a single operating room, the operating rooms with different positive and negative pressures are not required to be designed respectively, and the construction cost is greatly reduced;
(3) The internal air flow direction of the ventilation branch pipe can be quickly adjusted by adjusting the angle of the turnover internal adjusting frame, so that the internal pressure of an operating room is controlled, and the operation is very simple and convenient;
(4) The internal air flow direction of the ventilation branch pipe can be regulated, the pressure in the ventilation branch pipe can be controlled, and the air flow in the ventilation branch pipe is improved;
(5) The whole device has compact structure, can be very conveniently modified and upgraded on the existing equipment, and is convenient for popularization and promotion;
(6) The internal adjusting mechanism is arranged in the built-in flow guiding device, so that the communication state of the main ventilating duct and the ventilating branch pipes can be controlled, and flow guiding control is facilitated.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic diagram of an internal structure of the position of the electronically controlled positive-negative voltage switching module in the present invention.
Fig. 3 is a schematic structural view of one side of the flip-type internal adjusting frame in the present invention.
Fig. 4 is a schematic view of the structure of the other side of the flip type internal adjusting frame in the present invention.
Description of the embodiments
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The air conditioning device for the rapid switching type positive and negative pressure operating room shown in fig. 1, 2, 3 and 4 comprises a main ventilation pipeline 1 and a ventilation branch pipe 2, wherein the main ventilation pipeline 1 is arranged outside the positive and negative pressure operating room, the ventilation branch pipe 2 is arranged on the top surface of the positive and negative pressure operating room, an electric control type positive and negative pressure switching module is arranged between the main ventilation pipeline 1 and the ventilation branch pipe 2, and the electric control type positive and negative pressure switching module comprises a communication housing 3, a built-in flow guiding device 4 and an internal regulating mechanism 5;
the communication housing 3 comprises a lateral communication housing 31 and an arc-shaped air guide cover 32, wherein the lateral communication housing 31 is fixed between the main ventilation pipeline 1 and the ventilation branch pipe 2, and the arc-shaped air guide cover 32 is fixed on one side of the lateral communication housing 31;
the built-in flow guiding device 4 comprises a turnover internal adjusting frame 41, an electric centrifugal fan 42 and an electric control stay bar 43 which are movably assembled in the lateral communication housing 31;
the electric centrifugal fan 42 and the electric control stay bar 43 are in the prior art, the electric centrifugal fan 42 controls the air flow through rotation, and the electric control stay bar 43 controls the turnover type internal adjusting frame 41 to turn through expansion and contraction.
To cooperate with controlling the internal flow, the internal regulating mechanism 5 comprises a butterfly valve 51 mounted inside the internal regulating frame 41 and an embedded stay 52 mounted on the side wall of the internal regulating frame 41.
The embedded stay bar 52 is the prior art, and the butterfly valve 51 is controlled to overturn through the expansion and contraction, so that the communication state between the main ventilation pipeline 1 and the ventilation branch pipe 2 is controlled, and the air of the main ventilation pipeline 1 can be obliquely guided into the ventilation branch pipe 2 through the overturn butterfly valve 51. A control bracket is arranged on the side wall of the butterfly valve 51, and an embedded stay bar 52 is movably connected with the control bracket through the top of the telescopic section and performs overturning control on the butterfly valve 51 through telescopic operation.
In order to match the lateral diversion, lateral diversion ports 6 are respectively formed on two sides of the lateral communicating housing 31 of the outer side surface of the main ventilation pipeline 1, and the arc diversion cover 32 is covered outside the lateral diversion ports 6 from the outside to communicate the main ventilation pipeline 1 and the lateral communicating housing 31.
In order to match with the internal assembly, lateral assembly blind holes are symmetrically formed on the inner side surface of the lateral communication housing 31, and the turnover internal adjusting frame 41 is inserted into the lateral assembly blind holes through mounting shafts on two sides of the connecting end to be movably connected with the lateral communication housing 31.
For cooperation assembly and control, electric control stay bar 43 inserts inside the side direction blind hole of assembling through the side direction connecting axle and side direction intercommunication housing 31 movable assembly, offer on the inside regulation frame 41 lateral wall of convertible and accomodate the recess with electric control stay bar 43 matched with side direction, electric control stay bar 43's flexible section top inserts the mounting hole on the side direction recess medial surface and the inside regulation frame 41 movable assembly of convertible through the side direction assembly support.
In order to cooperate to assemble the electric centrifugal fan 42, the side wall of the turnover type internal adjusting frame 41 is provided with an annular assembling groove for installing the electric centrifugal fan 42, and the upper end and the lower end of the turnover type internal adjusting frame 41 are provided with strip-shaped air outlets 7 communicated with the inside of the annular assembling groove.
The electric centrifugal fan 42 starts to rotate at a high speed by being started, and then air is drawn in through the opening of the annular fitting groove and then discharged from the strip-shaped air outlet 7.
When the main ventilation pipeline 1 is required to flow to the inside of the ventilation branch pipeline 2 to form positive pressure, the main ventilation pipeline 1 can be overturned by adopting the overturned internal adjusting frame 41, the electric centrifugal fan 42 is not started, the butterfly valve 51 is opened, and at the moment, the air in the main ventilation pipeline 1 is led into the inside of the ventilation branch pipeline 2; when the internal pressure of the ventilation branch pipe 2 at different positions is unstable, the electric centrifugal fan 42 is started, air in the main ventilation pipeline 1 is sucked in from the opening of the annular assembly groove, and then the sucked air is discharged into the ventilation branch pipe 2 from the strip-shaped air outlet 7, so that the internal pressure is increased; when the ventilation branch pipe 2 is required to flow to the inside of the main ventilation pipeline 1 to form negative pressure, the turnover type internal adjusting frame 41 can be turned into the lateral communication housing 31, the electric centrifugal fan 42 is started, the butterfly valve 51 is closed, and at this time, the air in the ventilation branch pipe 2 is led into the inside of the main ventilation pipeline 1.
For the matched sealing closure, an arc-shaped sealing frame 8 is fixedly assembled on the side wall of the turnover type internal adjusting frame 41 at the periphery of the annular assembling groove.
In order to monitor the pressure on both sides of the butterfly valve 51, pressure sensing modules 9 are fixedly mounted on both side walls of the butterfly valve 51.
The pressure sensing module 9 is of prior art for monitoring the internal pressure.
For matching with lateral limit, a fixed limit frame 10 matched with a turnover type internal adjusting frame 41 is fixed on the inner side surface of the main ventilation pipeline 1.
In order to reduce the internal wind resistance, the windward side of the fixed limiting frame 10 is provided with a diversion inclined plane with an integrated structure.
In order to avoid streaming and improve the internal flow conductivity, the inner side surface of the main ventilation pipeline 1 is provided with an inclined flow guide cover 11 positioned at the periphery of the lateral flow guide opening 6.
The air blown out from the inside of the lateral diversion port 6 can be obliquely led into the main ventilation pipeline 1 through the oblique diversion cover 11, so that the wind resistance in the main ventilation pipeline 1 can be effectively reduced, and the turbulence is avoided.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (9)
1. The utility model provides a quick switch positive negative pressure air conditioning device for operating room, includes main air pipe (1) and ventilation branch pipe (2), and wherein main air pipe (1) are installed in positive negative pressure operating room outside, and ventilation branch pipe (2) are installed on positive negative pressure operating room top surface, characterized by: an electric control type positive and negative pressure switching module is arranged between the main ventilation pipeline (1) and the ventilation branch pipe (2), and comprises a communication housing (3), a built-in flow guiding device (4) and an internal regulating mechanism (5);
the communication housing (3) comprises a lateral communication housing (31) and an arc-shaped air guide sleeve (32), wherein the lateral communication housing (31) is fixed between the main ventilation pipeline (1) and the ventilation branch pipe (2), and the arc-shaped air guide sleeve (32) is fixed at one side of the lateral communication housing (31);
the built-in flow guiding device (4) comprises a turnover type internal adjusting frame (41), an electric centrifugal fan (42) and an electric control stay bar (43) which are movably assembled in the lateral communication housing (31);
the internal adjusting mechanism (5) comprises a butterfly valve (51) arranged on the inner side of the turnover type internal adjusting frame (41) and an embedded stay bar (52) arranged on the side wall of the turnover type internal adjusting frame (41);
the side wall of the turnover type internal adjusting frame (41) is provided with an annular assembly groove for installing an electric centrifugal fan (42), and the upper end and the lower end of the turnover type internal adjusting frame (41) are provided with strip-shaped air outlets (7) communicated with the inside of the annular assembly groove;
the electric centrifugal fan (42) starts to rotate at a high speed by starting, then air is sucked in through the opening of the annular assembly groove, and then the air is discharged from the strip-shaped air outlet (7);
when the main ventilation pipeline (1) is required to flow to the inside of the ventilation branch pipeline (2) to form positive pressure, the main ventilation pipeline (1) is turned over by adopting the turning-over type internal adjusting frame (41), the electric centrifugal fan (42) is not started, the butterfly valve (51) is opened, and at the moment, the air in the main ventilation pipeline (1) is led into the inside of the ventilation branch pipeline (2); when the internal pressure of the ventilation branch pipes (2) at different positions is unstable, starting the electric centrifugal fan (42), sucking air in the main ventilation pipeline (1) from the opening of the annular assembly groove, and then discharging the sucked air into the ventilation branch pipes (2) from the strip-shaped air outlet (7), so that the internal pressure is increased; when the ventilation branch pipe (2) is required to flow to the inside of the main ventilation pipeline (1) to form negative pressure, the turnover type internal adjusting frame (41) is turned into the lateral communication housing (31), the electric centrifugal fan (42) is started, the butterfly valve (51) is closed, and at the moment, air in the ventilation branch pipe (2) is led into the main ventilation pipeline (1).
2. The air conditioning device for a rapid switching positive and negative pressure operating room according to claim 1, characterized in that: the outer side surface of the main ventilation pipeline (1) is positioned at two sides of the lateral communication housing (31) and is provided with lateral flow guide ports (6), and the arc-shaped flow guide housing (32) is covered outside the lateral flow guide ports (6) from the outside to be communicated with the main ventilation pipeline (1) and the lateral communication housing (31).
3. The air conditioning device for a rapid switching positive and negative pressure operating room according to claim 1, characterized in that: lateral assembly blind holes are symmetrically formed in the inner side face of the lateral communication housing (31), and the turnover type internal adjusting frame (41) is inserted into the lateral assembly blind holes through mounting shafts on two sides of the connecting end to be movably connected with the lateral communication housing (31).
4. The air conditioning device for a rapid switching positive and negative pressure operating room according to claim 3, wherein: the electric control stay bar (43) is inserted into the lateral assembly blind hole through the lateral connecting shaft and is movably assembled with the lateral communication housing (31), lateral accommodating grooves matched with the electric control stay bar (43) are formed in the side wall of the turnover type internal adjusting frame (41), and the top of the telescopic section of the electric control stay bar (43) is inserted into the mounting hole in the inner side face of the lateral accommodating grooves through the lateral assembly bracket and is movably assembled with the turnover type internal adjusting frame (41).
5. The air conditioning device for a rapid switching positive and negative pressure operating room according to claim 1, characterized in that: and an arc-shaped sealing frame (8) is fixedly assembled on the side wall of the turnover type internal adjusting frame (41) and positioned at the periphery of the annular assembly groove.
6. The air conditioning device for a rapid switching positive and negative pressure operating room according to claim 1, characterized in that: and pressure sensing modules (9) are fixedly assembled on two side walls of the butterfly valve (51).
7. The air conditioning device for a rapid switching positive and negative pressure operating room according to claim 1, characterized in that: the inner side surface of the main ventilation pipeline (1) is fixedly provided with a fixed limiting frame (10) matched with the turnover type internal adjusting frame (41).
8. The air conditioning device for a rapid switching positive and negative pressure operating room according to claim 7, characterized in that: the windward side of the fixed limiting frame (10) is provided with a diversion inclined plane with an integrated structure.
9. The air conditioning device for a rapid switching positive and negative pressure operating room according to claim 2, characterized in that: the inner side surface of the main ventilation pipeline (1) is provided with an inclined air guide sleeve (11) which is positioned at the periphery of the lateral air guide opening (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311694311.8A CN117387158B (en) | 2023-12-12 | 2023-12-12 | Air conditioning device for fast switching positive and negative pressure operating room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311694311.8A CN117387158B (en) | 2023-12-12 | 2023-12-12 | Air conditioning device for fast switching positive and negative pressure operating room |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117387158A CN117387158A (en) | 2024-01-12 |
| CN117387158B true CN117387158B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311694311.8A Active CN117387158B (en) | 2023-12-12 | 2023-12-12 | Air conditioning device for fast switching positive and negative pressure operating room |
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| Country | Link |
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| CN (1) | CN117387158B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101153810B1 (en) * | 2011-10-06 | 2012-06-13 | 이부규 | Controlling divice for elevating an exhaust efficiency of waste gas in chimney |
| CN207365188U (en) * | 2017-06-23 | 2018-05-15 | 江苏中卫九洲医用工程有限公司 | Positive/negative-pressure switches purified operation room air-conditioning system |
| CN213334791U (en) * | 2020-10-14 | 2021-06-01 | 江苏环亚医用科技集团股份有限公司 | Overhead turnover type ventilation device for clean operating room |
| CN115950082A (en) * | 2023-03-09 | 2023-04-11 | 江苏环亚医用科技集团股份有限公司 | Positive and negative pressure switching operation room modularized pneumatic execution unit |
| CN116045501A (en) * | 2023-03-07 | 2023-05-02 | 江苏环亚医用科技集团股份有限公司 | Pneumatic execution unit for air conditioning system of operating room |
-
2023
- 2023-12-12 CN CN202311694311.8A patent/CN117387158B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101153810B1 (en) * | 2011-10-06 | 2012-06-13 | 이부규 | Controlling divice for elevating an exhaust efficiency of waste gas in chimney |
| CN207365188U (en) * | 2017-06-23 | 2018-05-15 | 江苏中卫九洲医用工程有限公司 | Positive/negative-pressure switches purified operation room air-conditioning system |
| CN213334791U (en) * | 2020-10-14 | 2021-06-01 | 江苏环亚医用科技集团股份有限公司 | Overhead turnover type ventilation device for clean operating room |
| CN116045501A (en) * | 2023-03-07 | 2023-05-02 | 江苏环亚医用科技集团股份有限公司 | Pneumatic execution unit for air conditioning system of operating room |
| CN115950082A (en) * | 2023-03-09 | 2023-04-11 | 江苏环亚医用科技集团股份有限公司 | Positive and negative pressure switching operation room modularized pneumatic execution unit |
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| Publication number | Publication date |
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| CN117387158A (en) | 2024-01-12 |
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