CN217661015U - Automatic switching control device for backup gas - Google Patents
Automatic switching control device for backup gas Download PDFInfo
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- CN217661015U CN217661015U CN202220799161.1U CN202220799161U CN217661015U CN 217661015 U CN217661015 U CN 217661015U CN 202220799161 U CN202220799161 U CN 202220799161U CN 217661015 U CN217661015 U CN 217661015U
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- control module
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Abstract
The utility model relates to an air source control device, and discloses a backup air automatic switching control device, which comprises an inlet end and an outlet end; the inlet end is connected with a backup gas source; the outlet end is connected with a main pipeline; the control end is provided with a first ball valve, and the on-off of a backup air source is controlled through the first ball valve; the control end also comprises a pressure control module, and the pressure control module receives the gas pressure of the main pipeline and controls the on-off of the gas of the main pipeline. Through the utility model discloses a controlling means of backup gas, when main gas supply system breaks down or the unable oxygen suppliment of special conditions, realize automatic switch-over to reserve air supply, ensured the continuity of hospital's oxygen suppliment, reduced the medical malpractice.
Description
Technical Field
The utility model relates to an air supply controlling means has especially related to a backup gas automatic switch-over controlling means.
Background
The hospital oxygen has higher requirements on the continuity and stability of oxygen supply, and nowadays, more and more hospitals begin to use medical molecular sieve oxygen generators or other ways different from the traditional oxygen bottle oxygen supply as main oxygen supply sources, but even then, the oxygen bottle is still required to be used as a spare oxygen supply way for the hospitals. The automatic backup gas switching control box is installed, so that automatic and stable switching between the main gas source and the backup gas source can be realized under special conditions, and the continuity of oxygen supply of the hospital is guaranteed. But the automatic switching control box of the backup gas is required to be provided with a stable power supply which is not easy to power off.
For example, in the prior art, patent CN201810602413.5 is named as: medical oxygen bag oxygen suppliment flow control device, its control to medical oxygen can not direct automatic switch-over reserve air supply, needs medical personnel to carry out manual switching like this, when main air supply system breaks down or the unable oxygen suppliment of special conditions, and when the staff must in time discover, the manual reserve air supply of opening. If the staff finds out not timely, even the problem of oxygen supply interruption can occur.
Disclosure of Invention
The utility model aims at the air supply control system in the prior art, when the main air supply system fails or the special condition can not supply oxygen, the working personnel must find in time and manually open the standby air source; if the worker finds that the oxygen supply is not timely, the problem of oxygen supply interruption possibly occurs, and the automatic backup gas switching control device is provided.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
a backup gas automatic switching control device comprises an inlet end and an outlet end; the inlet end is connected with a backup gas source; the outlet end is connected with a main pipeline; the control end is provided with a first ball valve, and the on-off of a backup air source is controlled through the first ball valve; the control end also comprises a pressure control module, and the pressure control module receives the gas pressure of the main pipeline and controls the on-off of the gas of the main pipeline.
Through the controlling means who designs, when main air supply system breaks down or the unable oxygen suppliment of special condition, realize automatic switch-over to reserve air supply, ensured the continuity of hospital's oxygen suppliment.
Preferably, the pressure control module comprises a pressure switch and an electromagnetic valve, and when the pressure of the main pipeline is lower than the pressure set by the pressure switch, the electric valve is opened to provide gas through a backup gas source; otherwise, the gas is supplied normally.
Preferably, the pressure control module further comprises a second ball valve proximate the inlet end and a third ball valve proximate the outlet end.
Preferably, the system also comprises a system control module, and the system control module receives the pressure switch contact signal of the pressure control module and sends a control signal to the pressure control module.
Preferably, the system control module comprises a pressure display unit, a power supply indicating unit and a work indicating unit, wherein the pressure display unit is used for displaying a pressure signal acquired in real time and a pressure switch set value; the power supply indicating unit is used for displaying the power supply state of the control device; the work indication unit is used for displaying the work state of the control device.
The pressure display unit is arranged to send out the warning signal to prompt a manager, so that the working pressure of the manager is greatly reduced while the convenience and stability are realized.
Preferably, the system control module further comprises a manual-automatic switching switch, and the manual-automatic switching switch is used for switching the control device into an automatic switching backup air source and a manual switching backup air source.
The utility model discloses owing to adopted above technical scheme, have apparent technological effect:
the utility model discloses a controlling means of design, when main air supply system breaks down or the unable oxygen suppliment of special case, realize automatic switch-over to reserve air supply, ensured the continuity of hospital's oxygen suppliment.
The utility model discloses a be equipped with pressure display element and send warning signal suggestion managers, when convenient, stable, greatly reduced managers's operating pressure.
Drawings
Fig. 1 is a structural diagram of the present invention.
Fig. 2 is a control electrical diagram of the present invention.
Fig. 3 is a structural diagram of the present invention.
Wherein the content of the first and second substances,
PSG — pressure switch;
LD-working state indicator light;
HD-Power indicator light;
SOV — solenoid valve;
ZK-oxygen supply change-over switch;
PTO-pressure tapping;
v01-first ball valve;
v02-second ball valve;
v03-third ball valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
A backup gas automatic switching control device comprises an inlet end and an outlet end; the inlet end is connected with a backup gas source; the outlet end is connected with a main pipeline; the control end is provided with a first ball valve, and the on-off of a backup air source is controlled through the first ball valve; the control end also comprises a pressure control module, and the pressure control module receives the gas pressure of the main pipeline and controls the on-off of the gas of the main pipeline.
Through the controlling means who designs, when main air supply system breaks down or the unable oxygen suppliment of special condition, realize automatic switch-over to reserve air supply, ensured the continuity of hospital's oxygen suppliment.
The pressure control module comprises a pressure switch and an electromagnetic valve, when the pressure of the main pipeline is lower than the set pressure of the pressure switch, the electric valve is opened, and gas is provided through a backup gas source; otherwise, the gas is supplied normally.
The pressure control module also includes a second ball valve proximate the inlet end and a third ball valve proximate the outlet end.
The system control module receives a pressure switch contact signal of the pressure control module and sends a control signal to the pressure control module.
The system control module comprises a pressure display unit, a power supply indicating unit and a work indicating unit, wherein the pressure display unit is used for displaying a pressure signal of the pressure switch acquired in real time; the power supply indicating unit is used for displaying the power supply state of the control device; the work indication unit is used for displaying the work state of the control device.
The pressure display unit is arranged to send out the warning signal to prompt a manager, so that the working pressure of the manager is greatly reduced while the convenience and stability are realized.
Example 2
On the basis of embodiment 1, the system control module of this embodiment further includes a manual-automatic changeover switch, and the manual-automatic changeover switch is used for changing over the control device to automatically switch over the backup air source and manually switch over the backup air source. Through being equipped with manual automatic change over switch, can work under automatic mode to control module, also can work under manual mode.
Example 3
On the basis of the above-described embodiment, the present embodiment inlet section: the side far away from the pressure taking port PTO is an inlet part, and a pipeline is connected to a backup air source; one side close to the pressure taking port PTO is an outlet part, the pipeline is connected to the main pipeline, and the pressure taking pressure is the main pipeline pressure. The first ball valve V01 in a normal state is always in a closed state, and when the backup gas control box is powered off, the first ball valve V01 can be used for controlling the on-off of the backup gas.
The inlet and outlet ball valves V02 and V03 on two sides of the solenoid valve are normally in an open state, the opening and closing of the solenoid valve SOV are controlled by a pressure switch PSG, when the pressure of the main pipeline is lower than the set pressure lower limit value of the pressure switch PSG, a backup gas working indicator lamp LD is turned on, the solenoid valve SOV is opened, and backup gas starts to supply oxygen; pressure display PSG, power indicator HD, spare gas switched working state indicator LD, manual automatic oxygen supply change-over switch ZK. Respectively representing the state of monitoring the pressure of a pipe network, automatically switching a box power supply indicator lamp for backup gas, switching a working indicator lamp for backup gas and automatically supplying oxygen by a backup gas hand.
Claims (6)
1. A backup gas automatic switching control device comprises an inlet end and an outlet end; the inlet end is connected with a backup gas source; the outlet end is connected with a main pipeline; the device is characterized by also comprising a control end, wherein the control end is provided with a first ball valve, and the on-off of a backup air source is controlled through the first ball valve; the control end also comprises a pressure control module, and the pressure control module receives the gas pressure of the main pipeline and controls the on-off of the gas of the main pipeline.
2. The automatic switching control device of the backup gas according to claim 1, wherein the pressure control module comprises a pressure switch and a solenoid valve, when the pressure of the main pipeline is lower than the pressure set by the pressure switch, the solenoid valve is opened, and the backup gas source supplies gas; otherwise, the gas is supplied normally.
3. The automatic backup gas switching control device of claim 1, wherein the pressure control module further comprises a second ball valve and a third ball valve, the second ball valve being located near the inlet end, the third ball valve being located near the outlet end.
4. The automatic backup gas switching control device according to claim 1, further comprising a system control module, wherein the system control module receives a pressure switch contact signal of the pressure control module and sends a control signal to the pressure control module.
5. The automatic switching control device of the backup gas as claimed in claim 1, wherein the system control module comprises a pressure display unit, a power supply indicating unit and a work indicating unit, the pressure display unit is used for displaying the pressure signal and the pressure switch set value which are collected in real time; the power supply indicating unit is used for displaying the power supply state of the control device; the work indication unit is used for displaying the work state of the control device.
6. The automatic switching control device of the backup gas according to claim 1, wherein the system control module further comprises a manual/automatic switch for switching the control device between the automatic switching backup gas source and the manual switching backup gas source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220799161.1U CN217661015U (en) | 2022-04-07 | 2022-04-07 | Automatic switching control device for backup gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220799161.1U CN217661015U (en) | 2022-04-07 | 2022-04-07 | Automatic switching control device for backup gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217661015U true CN217661015U (en) | 2022-10-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220799161.1U Active CN217661015U (en) | 2022-04-07 | 2022-04-07 | Automatic switching control device for backup gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217661015U (en) |
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2022
- 2022-04-07 CN CN202220799161.1U patent/CN217661015U/en active Active
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