CN218833328U

CN218833328U - Integrated oxygen source switching device of ward oxygen supply pipeline system

Info

Publication number: CN218833328U
Application number: CN202222707034.7U
Authority: CN
Inventors: 王骁诚; 陈任生; 李贤勇; 王鹤
Original assignee: Hangzhou Yiji Equipment Whole Set Engineering Co ltd
Current assignee: Hangzhou Yiji Equipment Whole Set Engineering Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-04-11
Anticipated expiration: 2032-10-14

Abstract

The utility model discloses an integrated oxygen source switching device of a ward oxygen supply pipeline system, which comprises a cabinet body, wherein a control unit is arranged at the top of the inner part of the cabinet body, oxygen supply pipes are fixedly arranged at both sides of the cabinet body, an output pipe is fixedly arranged at the top of the cabinet body, one end of each oxygen supply pipe, which is positioned in the inner part of the cabinet body, is communicated with the output pipe, two electromagnetic valves and first air pressure detection meters are arranged on the oxygen supply pipes, and the electromagnetic valves and the first air pressure detection meters are electrically connected with the control unit; the interior back wall fixed mounting of the cabinet body has the backshell of two symmetry settings, the front of backshell is installed preceding shell, be formed with between backshell and the preceding shell and hold the chamber. The utility model discloses a preceding shell and backshell keep apart the solenoid valve, detect through the oxygen volume to holding intracavity portion, contact with oxygen and produce the conflagration when the solenoid valve action is difficult for appearing to the security of whole device during operation has been guaranteed.

Description

Integrated oxygen source switching device of ward oxygen supply pipeline system

Technical Field

The utility model relates to a gaseous auto-change over device technical field especially relates to an integration oxygen source auto-change over device of ward oxygen supply pipeline system.

Background

The ward oxygen supply pipeline system is an important component of hospital facilities, and mainly outputs oxygen of a central oxygen supply station to an oxygen supply terminal through a pipeline, wherein the central oxygen supply station comprises an oxygen cylinder group, a bus bar, an oxygen source switching device, a safety valve, an alarm device and other equipment.

The oxygen source switching device is a device which starts automatic switching when the pressure of the main oxygen supply bottle group is reduced to a set pressure and starts air supply from the standby gas bottle group, thereby realizing the uninterrupted air supply function. The oxygen automatic switching cabinet of the central oxygen supply system usually adopts a solenoid valve type automatic switching cabinet, the solenoid valve type oxygen automatic switching cabinet is difficult to avoid generating electric sparks when in operation because a relay is needed to drive a valve actuator to act, and meanwhile, because the common solenoid valve also has the problems of large heating value of a coil, easy short circuit, burning and the like, a fire disaster is easily caused if oxygen escapes.

Therefore, an integrated oxygen source switching device of the ward oxygen supply pipeline system is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the central oxygen system oxygen automatic switch over cabinet among the prior art and adopting solenoid valve formula automatic switch over cabinet usually, solenoid valve formula oxygen automatic switch over cabinet is because of need use relay drive valve executor action, and the inevitable can produce the electric spark during the operation, if meet the problem that oxygen effusion easily causes the conflagration, and the ward oxygen supply pipeline system's that provides integration oxygen source auto-change over device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an integrated oxygen source switching device of a ward oxygen supply pipeline system comprises a cabinet body, wherein a control unit is installed at the top inside the cabinet body, oxygen supply pipes are fixedly installed on two sides of the cabinet body, an output pipe is fixedly installed at the top of the cabinet body, one end, located inside the cabinet body, of each oxygen supply pipe is communicated with the output pipe, a solenoid valve and a first air pressure detection meter are installed on each oxygen supply pipe, and the solenoid valve and the first air pressure detection meter are electrically connected with the control unit;

the internal back wall fixed mounting of cabinet has the backshell that two symmetries set up, the front of backshell is installed preceding shell, be formed with between backshell and the preceding shell and hold the chamber, solenoid valve and first atmospheric pressure detect the table and all be located the inside that holds the chamber, the semicircle recess that communicates with the chamber that holds is all seted up to the both sides of backshell and preceding shell, the oxygen supply pipe runs through in the inside of semicircle recess, the top fixed mounting of preceding shell has the second atmospheric pressure to detect the table, the sense terminal of second atmospheric pressure detects the table is located the inside of preceding shell, the top fixed mounting of the cabinet body has audible-visual annunciator, second atmospheric pressure detects table and audible-visual annunciator all with the control unit electric connection.

Preferably, one end of the oxygen supply pipe, which is positioned outside the cabinet body, is provided with a manual valve.

Preferably, the top and the bottom of the front shell are both fixedly provided with connecting plates, and the connecting plates are fixedly connected with the rear shell through fixing bolts.

Preferably, a sealing gasket is bonded to the inner wall of the semicircular groove.

Preferably, one side fixedly connected with frame of preceding shell, the slot has been seted up to one side of backshell, the frame is pegged graft in the inside of slot.

Preferably, the both sides of the cabinet body are fixedly connected with mounting plates, the mounting plates are provided with mounting holes.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a cooperation setting of preceding shell and backshell, detect the table cover with solenoid valve and first atmospheric pressure in wherein, when the condition of oxygen leakage appears in the junction of solenoid valve and first atmospheric pressure detection table and oxygen supply pipe, limit oxygen in the inside that holds the chamber, when the rated value that the second atmospheric pressure detection table was set for is gathered to the oxygen that holds intracavity portion, the alarm is sent out to the control unit control audible-visual annunciator, thereby remind the staff to detect and maintain solenoid valve and first atmospheric pressure detection table and oxygen supply pipe's junction, in time discover the condition that oxygen leaked, thereby the condition of conflagration appears with oxygen contact when avoiding solenoid valve action as far as possible, and when oxygen leakage appears in other structures of outside, preceding shell and backshell keep apart the solenoid valve, thereby when the solenoid valve action, be difficult for producing the conflagration with outside oxygen contact, thereby the security of whole device during operation has been guaranteed.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the structure of the output end of the oxygen supply tube;

fig. 3 is a side view section structure diagram of the connection between the rear shell and the front shell of the present invention.

In the figure: 1. a cabinet body; 2. a control unit; 3. an oxygen supply tube; 4. an output pipe; 5. an electromagnetic valve; 6. a first air pressure detection gauge; 7. a rear housing; 8. a front housing; 9. an accommodating chamber; 10. a semicircular groove; 11. a second air pressure detection meter; 12. an audible and visual alarm; 13. a manual valve; 14. a connecting plate; 15. a gasket; 16. a frame; 17. inserting slots; 18. mounting a plate; 19. and (7) mounting holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an integrated oxygen source switching device of a ward oxygen supply pipeline system comprises a cabinet body 1, wherein mounting plates 18 are fixedly connected to two sides of the cabinet body 1, mounting holes 19 are formed in the mounting plates 18, and bolts penetrate through the mounting holes 19 and are connected with a wall body and the like, so that the installation of the whole device can be realized.

The control unit 2 is installed at the inside top of the cabinet body 1, and the equal fixed mounting in both sides of the cabinet body 1 has oxygen supply pipe 3, and oxygen supply pipe 3 is connected with outside oxygen supply equipment, and when one of them oxygen supply pipe 3 during operation, another oxygen supply pipe 3 is in standby state. The top fixed mounting of the cabinet body 1 has an output tube 4, and the one end that oxygen supply pipe 3 is located cabinet body 1 inside all communicates with output tube 4. All install solenoid valve 5 and first atmospheric pressure on two oxygen supply pipes 3 and detect table 6, solenoid valve 5 and first atmospheric pressure detect table 6 all with the 2 electric connection of control unit, when one of them supplies the oxygen supply pipe 3 on first atmospheric pressure detect table 6 detect the oxygen supply pipe 3 inside oxygen atmospheric pressure that corresponds and reduce (be less than the rated value of settlement), control unit 2 closes solenoid valve 5 on the place oxygen supply pipe 3, and open another solenoid valve 5 on supplying oxygen pipe 3, realize the stable transport of oxygen.

The interior back wall fixed mounting of the cabinet body 1 has backshell 7 that two symmetries set up, backshell 8 before the front of backshell 7 is installed, be formed with between backshell 7 and the preceding shell 8 and hold chamber 9, solenoid valve 5 and first atmospheric pressure detect table 6 and all be located the inside that holds chamber 9, preceding shell 8 and backshell 7 protect solenoid valve 5 and first atmospheric pressure detect table 6, when the condition of oxygen leakage appears in solenoid valve 5 and first atmospheric pressure detect table 6 and the junction that supplies oxygen pipe 3, with oxygen restriction in the inside that holds chamber 9. The top and the equal fixed mounting in bottom of preceding shell 8 have connecting plate 14, and connecting plate 14 passes through fixing bolt and backshell 7 fixed connection, and the setting of this kind of structure is convenient for carry out the dismouting with preceding shell 8 and backshell 7 to the convenience is maintained solenoid valve 5 and first atmospheric pressure detection table 6.

The semicircle groove 10 that communicates with holding chamber 9 is all seted up and held in the both sides of backshell 7 and preceding shell 8, supplies oxygen pipe 3 to run through in the inside of semicircle groove 10, and the inner wall of semicircle groove 10 bonds and has sealed the pad 15, and the setting of sealed pad 15 has improved the leakproofness that supplies between oxygen pipe 3 and preceding shell 8 and the backshell 7, the difficult excessive condition of oxygen that appears. One side fixedly connected with frame 16 of preceding shell 8, slot 17 has been seted up to one side of backshell 7, and frame 16 is pegged graft in the inside of slot 17, and frame 16 and slot 17's setting has improved the sealing performance of being connected between preceding shell 8 and the backshell 7.

Preceding shell 8's top fixed mounting has second atmospheric pressure to detect table 11, the sense terminal of second atmospheric pressure detection table 11 is located preceding shell 8's inside, the top fixed mounting of the cabinet body 1 has audible-visual annunciator 12, second atmospheric pressure detection table 11 and audible-visual annunciator 12 all with 2 electric connection of the control unit, when the oxygen gathering that holds the chamber 9 inside detects the rated value that table 11 was set for to second atmospheric pressure, control unit 2 control audible-visual annunciator 12 sends out the police dispatch newspaper, thereby remind the staff to detect and maintain solenoid valve 5 and first atmospheric pressure detection table 6 and the junction of oxygen supply pipe 3, in time discover the condition that oxygen leaked, thereby with the oxygen contact and the condition of conflagration appears when avoiding solenoid valve 5 to the greatest extent. The oxygen supply pipe 3 is located the outside one end of the cabinet body 1 and installs manual valve 13, and the setting of manual valve 13 can be controlled the break-make of oxygen supply pipe 3 to be favorable to maintaining solenoid valve 5 and first atmospheric pressure detection table 6.

The utility model discloses at the during operation, when the first atmospheric pressure that supplies on one of them oxygen supply pipe 3 detects the inside oxygen atmospheric pressure of oxygen supply pipe 3 that corresponds and reduces (be less than the rated value of settlement), control unit 2 closes solenoid valve 5 on the oxygen supply pipe 3 of place, and open another solenoid valve 5 that supplies on the oxygen supply pipe 3, realize the stable transport of oxygen, and, when the condition of oxygen leakage appears in solenoid valve 5 and first atmospheric pressure detection table 6 and the junction of supplying oxygen pipe 3, with oxygen restriction in the inside that holds chamber 9, when holding the rated value that second atmospheric pressure detection table 11 was set for of the inside oxygen gathering of chamber 9, control unit 2 controls audible-visual annunciator 12 and sends the police dispatch newspaper, thereby remind the staff to detect and maintain solenoid valve 5 and first atmospheric pressure detection table 6 and the junction that supplies oxygen pipe 3, in time discover the condition that oxygen leaked, thereby contact with oxygen and the condition of conflagration appears when avoiding solenoid valve 5 to act as far as possible, simultaneously, when oxygen leakage appears in other structures of outside, preceding shell 8 keeps apart solenoid valve 5, thereby when acting with solenoid valve 5, and the outside contact, thereby whole safety device has produced the conflagration.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The integrated oxygen source switching device of the ward oxygen supply pipeline system comprises a cabinet body (1) and is characterized in that a control unit (2) is installed at the top inside the cabinet body (1), oxygen supply pipes (3) are fixedly installed on two sides of the cabinet body (1), an output pipe (4) is fixedly installed at the top of the cabinet body (1), one end, located inside the cabinet body (1), of each oxygen supply pipe (3) is communicated with the output pipe (4), electromagnetic valves (5) and first air pressure detection meters (6) are installed on the two oxygen supply pipes (3), and the electromagnetic valves (5) and the first air pressure detection meters (6) are electrically connected with the control unit (2);

the utility model discloses a cabinet, including the cabinet body, the interior back wall fixed mounting of the cabinet body (1) has backshell (7) that two symmetries set up, backshell (8) before installing in the front of backshell (7), backshell (7) and preceding shell (8) between be formed with and hold chamber (9), solenoid valve (5) and first atmospheric pressure detect table (6) and all are located the inside that holds chamber (9), the semicircular groove (10) that holds chamber (9) intercommunication are all seted up and hold to the both sides of backshell (7) and preceding shell (8), oxygen supply pipe (3) run through in the inside of semicircular groove (10), the top fixed mounting of preceding shell (8) has second atmospheric pressure to detect table (11), the sense terminal that second atmospheric pressure detected table (11) is located the inside of preceding shell (8), the top fixed mounting of the cabinet body (1) has audible-visual annunciator (12), second atmospheric pressure detects table (11) and audible-visual annunciator (12) all with control unit (2) electric connection.

2. The integrated oxygen source switching device of the ward oxygen supply pipeline system according to claim 1, wherein one end of the oxygen supply pipe (3) located outside the cabinet body (1) is provided with a manual valve (13).

3. The integrated oxygen source switching device of the ward oxygen supply pipeline system according to claim 1, wherein the top and the bottom of the front shell (8) are fixedly provided with connecting plates (14), and the connecting plates (14) are fixedly connected with the rear shell (7) through fixing bolts.

4. The integrated oxygen source switching device of ward oxygen supply pipeline system according to claim 1, wherein a sealing gasket (15) is adhered to the inner wall of said semicircular groove (10).

5. The integrated oxygen source switching device of the ward oxygen supply pipeline system according to claim 1, wherein a frame (16) is fixedly connected to one side of the front shell (8), a slot (17) is formed in one side of the rear shell (7), and the frame (16) is inserted into the slot (17).

6. The integrated oxygen source switching device of the ward oxygen supply pipeline system according to claim 1, wherein mounting plates (18) are fixedly connected to both sides of the cabinet body (1), and mounting holes (19) are formed in the mounting plates (18).