CN112682699A - Medical gas busbar - Google Patents
Medical gas busbar Download PDFInfo
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- CN112682699A CN112682699A CN202011568793.9A CN202011568793A CN112682699A CN 112682699 A CN112682699 A CN 112682699A CN 202011568793 A CN202011568793 A CN 202011568793A CN 112682699 A CN112682699 A CN 112682699A
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Abstract
The invention relates to a medical gas busbar, which comprises a first gas bottle group, a second gas bottle group, a first branch, a second branch, a gas outlet pipeline and a PLC (programmable logic controller), wherein the first gas bottle group is communicated with the first branch through a gas pipe; a first air pressure sensor and a second air pressure sensor are respectively arranged in the first branch and the second branch, and the first air pressure sensor and the second air pressure sensor are respectively in signal connection with the PLC; a first electromagnetic valve is arranged between the first gas cylinder group and the three-way valve on the first branch, and a second electromagnetic valve is arranged between the second gas cylinder group and the three-way valve on the second branch; the first electromagnetic valve and the second electromagnetic valve are respectively connected with the PLC. The invention designs a medical gas busbar which has the function of uninterrupted gas supply.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a medical gas bus bar.
Background
The gas collecting bar is a gas source set for single gas supply of single gas using point to improve work efficiency and safety production
In together, the container high pressure steel bottle with a plurality of gaseous splendid attire, the device of realization centralized gas supply is put together to low temperature dewar jar etc. the department that borders on is generally installed at independent building or factory building, use the busbar can practice thrift the number of times of trading the steel bottle, alleviate workman's intensity of labour and practice thrift the cost of labor, let high-pressure gas centralized management, can reduce the existence of potential safety hazard, can practice thrift the place space, better rational utilization place space, the gaseous management of being convenient for, the gas busbar is applicable to the great enterprise of gas consumption, its principle is to pass through fixture and hose input to busbar bottled gas, through the decompression, adjust, through the pipe-line transportation to using the building site, it wide application in the hospital, chemical industry, welding, electron and scientific research unit.
The existing gas bus-bar needs to suspend gas supply when the gas supply pressure is reduced to the set pressure, the gas cylinder group is replaced, and stable gas flow cannot be provided when the suspension is interrupted. Therefore, there is a need for a gas bus with uninterrupted gas supply.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention designs a medical gas bus bar which has the function of supplying gas uninterruptedly.
The invention provides a medical gas busbar, which comprises a first gas bottle group, a second gas bottle group, a first branch, a second branch, a gas outlet pipeline and a PLC (programmable logic controller), wherein the first gas bottle group is communicated with the first branch through a gas pipe; a first air pressure sensor and a second air pressure sensor are respectively arranged in the first branch and the second branch, and the first air pressure sensor and the second air pressure sensor are respectively in signal connection with the PLC; a first electromagnetic valve is arranged between the first gas cylinder group and the three-way valve on the first branch, and a second electromagnetic valve is arranged between the second gas cylinder group and the three-way valve on the second branch; the first electromagnetic valve and the second electromagnetic valve are respectively connected with the PLC.
Preferably, the first and second gas cylinder groups each comprise at least two gas cylinders.
Preferably, the first branch and the second branch are provided with stop valves corresponding to the gas cylinders, and the stop valves are connected with the gas cylinders through gas pipes.
Preferably, the first air pressure sensor is arranged between the first electromagnetic valve and the first air cylinder group; the second air pressure sensor is arranged between the second electromagnetic valve and the second air bottle group.
Preferably, the PLC controller comprises a single chip microcomputer and an alarm unit in signal connection with the single chip microcomputer.
Preferably, the alarm unit is a buzzer.
Preferably, the alarm unit is an LED warning light.
Preferably, the alarm unit is an LED warning lamp and a buzzer.
Compared with the prior art, the technical scheme provided by the invention has the following advantages:
the medical gas bus-bar adopts a double-gas-source structure of the first gas cylinder group and the second gas cylinder group, when the pressure of the first gas cylinder group is reduced to the set pressure, the system is switched to the second gas cylinder group by using the PLC, the second gas cylinder group starts to supply gas, and the first gas cylinder group is replaced at the same time, so that the uninterrupted gas supply function is realized. The medical gas bus bar has the advantages of reasonable structure, simplicity in operation and gas saving.
Drawings
FIG. 1 is a schematic diagram of a medical gas manifold according to an embodiment of the present invention;
fig. 2 is a block diagram of a PLC controller according to an embodiment of the present invention.
Reference numerals: 1-a first gas cylinder group, 2-a second gas cylinder group, 3-a first branch, 4-a second branch, 5-a gas outlet pipeline, 6-a PLC controller, 7-a three-way valve, 8-a first air pressure sensor, 9-a second air pressure sensor, 10-a first electromagnetic valve, 11-a second electromagnetic valve, 12-a gas cylinder, 13-a stop valve, 14-a single chip microcomputer and 15-an alarm unit.
Detailed Description
The present invention is further illustrated by the following examples, which are not intended to limit the invention to these embodiments. It will be appreciated by those skilled in the art that the present invention encompasses all alternatives, modifications and equivalents as may be included within the scope of the claims.
As shown in fig. 1-2, a medical gas manifold is shown, which includes a first gas cylinder set 1, a second gas cylinder set 2, a first branch 3, a second branch 4, a gas outlet pipeline 5 and a PLC controller 6, wherein the first gas cylinder set 1 is communicated with the first branch 3 through a gas pipe, the second gas cylinder set 2 is communicated with the second branch 4 through a gas pipe, and the first branch 3 and the second branch 4 are connected with the gas outlet pipeline 5 through a three-way valve 7; a first air pressure sensor 8 and a second air pressure sensor are respectively arranged in the first branch 3 and the second branch 4, and the first air pressure sensor 8 and the second air pressure sensor are respectively in signal connection with the PLC 6; a first electromagnetic valve 10 is arranged on the first branch 3 between the first gas cylinder group 1 and the three-way valve 7, and a second electromagnetic valve 11 is arranged on the second branch 4 between the second gas cylinder group 2 and the three-way valve 7; the first electromagnetic valve 10 and the second electromagnetic valve 11 are respectively connected with the PLC controller 6.
In the above structure, each of the first gas cylinder group 1 and the second gas cylinder group 2 includes at least two gas cylinders 12.
The medical gas busbar of this embodiment adopts the two air supply structures of first gas cylinder group 1 and second gas cylinder group 2, and in the air feed of first gas cylinder group 1, opens first solenoid valve 10, closes second solenoid valve 11. The three-way valve 7 is in a normally open state. When the pressure of the first gas cylinder group 1 is reduced to the set pressure, the PLC 6 is utilized to control the first electromagnetic valve 10 to be closed, the second electromagnetic valve 11 is opened, the system is switched to the second gas cylinder group 2, the second gas cylinder group 2 starts to supply gas, and meanwhile, the first gas cylinder group 1 is replaced, so that the uninterrupted gas supply function is realized. The medical gas bus bar has the advantages of reasonable structure, simplicity in operation and gas saving.
Preferably, a stop valve 13 is arranged on the first branch 3 and the second branch 4 corresponding to the gas cylinder 12, and the stop valve 13 is connected with the gas cylinder 12 through a gas pipe.
The first air pressure sensor 8 is arranged between the first electromagnetic valve 10 and the first cylinder group 1; the second air pressure sensor is arranged between the second electromagnetic valve 11 and the second air bottle group 2. In this embodiment, the first air pressure sensor 8 and the second air pressure sensor are respectively disposed at positions close to the first electromagnetic valve 10 and the second electromagnetic valve 11, and the air pressure value detected by the air pressure sensors is closer to the air pressure of the air outlet pipeline 5.
In this embodiment, the PLC controller 6 includes a single chip microcomputer 14 and an alarm unit 15 in signal connection with the single chip microcomputer 14. The alarm unit 15 is a buzzer. For example, if the pressure of the first cylinder group 1 is reduced to the set pressure, the first air pressure sensor 8 transmits a signal that the air pressure supplied by the first cylinder group 1 is insufficient to the single chip microcomputer 14, and the single chip microcomputer 14 receives the signal and controls to close the first electromagnetic valve 10 and open the second electromagnetic valve 11. Meanwhile, the singlechip 14 also controls a buzzer of the alarm unit 15 to give an alarm sound to remind a worker to replace the first gas cylinder group 1. Similarly, when the air supply pressure of the second air bottle group 2 is insufficient, the single chip microcomputer 14 closes the second electromagnetic valve 11 to open the first electromagnetic valve 10, and controls the buzzer to give an alarm.
In another embodiment, the alarm unit 15 is an LED warning light. For example, if the pressure of the first cylinder group 1 is reduced to the set pressure, the first air pressure sensor 8 transmits a signal that the air pressure supplied by the first cylinder group 1 is insufficient to the single chip microcomputer 14, and the single chip microcomputer 14 receives the signal and controls to close the first electromagnetic valve 10 and open the second electromagnetic valve 11. Meanwhile, the single chip microcomputer 14 also controls an LED warning lamp of the alarm unit 15 to be turned on to remind a worker of replacing the first gas cylinder group 1. Similarly, when the air supply pressure of the second air bottle group 2 is insufficient, the single chip microcomputer 14 closes the second electromagnetic valve 11, opens the first electromagnetic valve 10, and opens the LED warning light.
Preferably, the alarm unit 15 is an LED warning light and a buzzer. For example, if the pressure of the first cylinder group 1 is reduced to the set pressure, the first air pressure sensor 8 transmits a signal that the air pressure supplied by the first cylinder group 1 is insufficient to the single chip microcomputer 14, and the single chip microcomputer 14 receives the signal and controls to close the first electromagnetic valve 10 and open the second electromagnetic valve 11. Meanwhile, the single chip microcomputer 14 controls an LED warning lamp of the alarm unit 15 to be turned on and a buzzer to remind a worker of replacing the first gas cylinder group 1. Similarly, when the air supply pressure of the second air bottle group 2 is insufficient, the single chip microcomputer 14 closes the second electromagnetic valve 11, opens the first electromagnetic valve 10, and opens the LED warning light and the buzzer.
It will be appreciated by persons skilled in the art that the embodiments of the invention described above and shown in the drawings are given by way of example only and are not limiting of the invention. The functional and structural principles of the present invention may be modified at will without departing from the principles set forth above.
Claims (8)
1. A medical gas manifold, comprising: the gas cylinder device comprises a first gas cylinder group (1), a second gas cylinder group (2), a first branch (3), a second branch (4), a gas outlet pipeline (5) and a PLC (programmable logic controller) (6), wherein the first gas cylinder group (1) is communicated with the first branch (3) through a gas pipe, the second gas cylinder group (2) is communicated with the second branch (4) through a gas pipe, and the first branch (3) and the second branch (4) are connected with the gas outlet pipeline (5) through a three-way valve (7); a first air pressure sensor (8) and a second air pressure sensor are respectively arranged in the first branch (3) and the second branch (4), and the first air pressure sensor (8) and the second air pressure sensor are respectively in signal connection with the PLC (6); a first electromagnetic valve (10) is arranged on the first branch (3) between the first gas cylinder group (1) and the three-way valve (7), and a second electromagnetic valve (11) is arranged on the second branch (4) between the second gas cylinder group (2) and the three-way valve (7); the first electromagnetic valve (10) and the second electromagnetic valve (11) are respectively connected with the PLC (6).
2. A medical gas manifold as claimed in claim 1, wherein: the first and second gas cylinder groups (1, 2) each comprise at least two gas cylinders (12).
3. A medical gas manifold as claimed in claim 2, wherein: the first branch (3) and the second branch (4) are provided with stop valves (13) corresponding to the gas cylinders (12), and the stop valves (13) are connected with the gas cylinders (12) through gas pipes.
4. A medical gas manifold as claimed in claim 1, wherein: the first air pressure sensor (8) is arranged between the first electromagnetic valve (10) and the first air bottle group (1); the second air pressure sensor is arranged between the second electromagnetic valve (11) and the second air bottle group (2).
5. A medical gas manifold as claimed in claim 1, wherein: the PLC controller (6) comprises a single chip microcomputer (14) and an alarm unit (15) in signal connection with the single chip microcomputer (14).
6. A medical gas manifold as claimed in claim 5, wherein: the alarm unit (15) is a buzzer.
7. A medical gas manifold as claimed in claim 5, wherein: the alarm unit (15) is an LED warning lamp.
8. A medical gas manifold as claimed in claim 5, wherein: the alarm unit (15) is an LED warning lamp and a buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011568793.9A CN112682699A (en) | 2020-12-25 | 2020-12-25 | Medical gas busbar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011568793.9A CN112682699A (en) | 2020-12-25 | 2020-12-25 | Medical gas busbar |
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| Publication Number | Publication Date |
|---|---|
| CN112682699A true CN112682699A (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011568793.9A Pending CN112682699A (en) | 2020-12-25 | 2020-12-25 | Medical gas busbar |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060151027A1 (en) * | 2002-03-06 | 2006-07-13 | Pearson Ronald W | System for monitoring and operating valve manifolds and method therefore |
| CN203979881U (en) * | 2014-05-27 | 2014-12-03 | 安徽华盛科技控股股份有限公司 | Novel two bottle unperturbed COMM communication |
| CN205026380U (en) * | 2015-10-14 | 2016-02-10 | 安徽省天翔医用工程有限公司 | Medical gaseous busbar |
| CN205155552U (en) * | 2015-12-03 | 2016-04-13 | 山东吉威医疗制品有限公司 | Incessant steady voltage system of nitrogen gas |
| CN107314243A (en) * | 2017-06-23 | 2017-11-03 | 中国科学院植物研究所 | CO is simulated for open top type air chamber2The uninterrupted supply and distant early warning facility of multiplication |
| CN107906361A (en) * | 2017-11-05 | 2018-04-13 | 佛山市因诺威特科技有限公司 | Switching medical gas cylinder manifold device can be automatically controlled |
| CN212080875U (en) * | 2020-03-27 | 2020-12-04 | 深圳市雅森医疗设备有限公司 | Medical gas bus bar device with residual prediction function |
-
2020
- 2020-12-25 CN CN202011568793.9A patent/CN112682699A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060151027A1 (en) * | 2002-03-06 | 2006-07-13 | Pearson Ronald W | System for monitoring and operating valve manifolds and method therefore |
| CN203979881U (en) * | 2014-05-27 | 2014-12-03 | 安徽华盛科技控股股份有限公司 | Novel two bottle unperturbed COMM communication |
| CN205026380U (en) * | 2015-10-14 | 2016-02-10 | 安徽省天翔医用工程有限公司 | Medical gaseous busbar |
| CN205155552U (en) * | 2015-12-03 | 2016-04-13 | 山东吉威医疗制品有限公司 | Incessant steady voltage system of nitrogen gas |
| CN107314243A (en) * | 2017-06-23 | 2017-11-03 | 中国科学院植物研究所 | CO is simulated for open top type air chamber2The uninterrupted supply and distant early warning facility of multiplication |
| CN107906361A (en) * | 2017-11-05 | 2018-04-13 | 佛山市因诺威特科技有限公司 | Switching medical gas cylinder manifold device can be automatically controlled |
| CN212080875U (en) * | 2020-03-27 | 2020-12-04 | 深圳市雅森医疗设备有限公司 | Medical gas bus bar device with residual prediction function |
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