Oxygen electron flow constant device

Abstract

The utility model provides an oxygen electronic flow constant device which comprises a shell, an oxygen input pipe is connected to the outer side of the shell, an oxygen pressure gauge and an oxygen flow display gauge are respectively connected to the oxygen input pipe, and an early warning mechanism is arranged in the shell. The early warning mechanism is used for preventing danger caused by too high gas concentration, a moisture bottle is inserted into the shell, a control screen is arranged on the shell, the early warning mechanism comprises a three-color lamp installed on the shell, a plurality of gas tanks are installed on the top of an inner cavity of the shell, the gas outlet ends of the gas tanks are connected with oxygen output pipes, one ends of the oxygen output pipes are connected with a heat exchanger, and the other ends of the oxygen output pipes are connected with a heat exchanger. The oxygen output pipe is connected with an ion gas sensor, and one end of the heat exchanger is connected with the gas inlet end of the moisture bottle. According to the oxygen electronic flow constant device, gas in the oxygen output pipe can be conveniently detected, and when the gas concentration value reaches a set value, an early warning can be given out to remind workers that potential safety hazards possibly occur.

Description

Technical Field

[0001] The utility model relates to the field of gas flow control, in particular to an oxygen electronic flow constant device. Background Art

[0002] The patent document CN214845139U discloses a gas flow constant device for a gas analyzer, which involves a flow device body, an outlet pipe and an inlet pipe arranged at both ends of the flow device body, a connecting piece arranged on the inlet pipe, and a gas filter detachably connected to the connecting piece, characterized in that: one end of the connecting piece is a cylindrical screw-on end, the other end of the connecting piece is a connecting flange, a cylindrical body is arranged at the end of the inlet pipe, the screw-on end is connected to the cylindrical body, and the gas filter is detachably connected to the screw-on end, thereby meeting the requirement of easy disassembly.

[0003] However, during use, when the air inlet pipe of the flow device is transporting gas, the gas concentration may be too high. For example, certain acidic gases may shorten the service life of equipment and pipelines at high concentrations. When the gas concentration is too low, it will affect the measurement results of the analytical instrument, thereby reducing the practicality of the device.

[0004] Therefore, it is necessary to provide an oxygen electronic flow constant device with a gas concentration warning function to solve the above technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides an oxygen electronic flow constant device.

[0006] The utility model provides an oxygen electronic flow constant device, comprising a shell, an oxygen input pipe is connected to the outer side of the shell, the oxygen input pipe is connected to an oxygen pressure gauge and an oxygen flow display meter, an early warning mechanism is arranged inside the shell, the early warning mechanism is used to prevent dangerous situations caused by excessive gas concentration, a moisture bottle is inserted into the shell, and a control screen is arranged on the shell.

[0007] In order to achieve the effect of facilitating a warning, the utility model provides an oxygen electronic flow constant device. Preferably, the early warning mechanism includes a three-color lamp installed on the shell, a plurality of gas tanks are installed on the top of the inner cavity of the shell, and the gas outlet end of the gas tank is connected to the oxygen output pipe.

[0008] In order to achieve the protective effect, the utility model provides an oxygen electronic flow constant device. Preferably, the gas tank is connected with fixed blocks on all four sides, a connecting rod is inserted into the interior of the fixed block, and a semicircular plate is sleeved on the connecting rod.

[0009] In order to facilitate the monitoring of the gas concentration in the oxygen output pipe, the utility model provides an oxygen electronic flow constant device. Preferably, one end of the oxygen output pipe is connected to a heat exchanger, an ion gas sensor is connected to the oxygen output pipe, and one end of the heat exchanger is connected to the air inlet end of the moisture bottle.

[0010] In order to achieve the effect of facilitating the regulation of the oxygen flow rate, the utility model provides an oxygen electronic flow constant device. Preferably, an oxygen flow regulator is provided at the bottom of the inner cavity of the shell, a connecting pipe is connected to one side of the oxygen flow regulator, one end of the connecting pipe is connected to one end of the oxygen input pipe through a pipeline, and the air outlet end of the oxygen flow regulator is connected to the air inlet end of the gas tank.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] Early warning mechanism: It is convenient to monitor the gas inside the multiple oxygen output pipes. When the gas concentration reaches the set value, an early warning will be issued to remind the staff that there may be safety hazards or factors that affect the analysis results. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A schematic diagram of the structure of a preferred embodiment of the oxygen electronic flow constant device provided by the utility model;

[0014] Figure 2 for Figure 1 A cross-sectional view of the internal structure of the housing shown;

[0015] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at point A in the middle.

[0016] Numbers in the figure: 1. Shell; 2. Oxygen input pipe; 3. Oxygen pressure gauge; 4. Oxygen flow display meter; 5. Moisture bottle; 6. Early warning mechanism; 61. Three-color light; 62. Gas tank; 63. Semicircular plate; 64. Fixed block; 65. Heat exchanger; 66. Oxygen output pipe; 67. Ion gas sensor; 7. Oxygen flow regulator; 8. Connecting pipe; 9. Control panel. DETAILED DESCRIPTION

[0017] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0018] Please refer to Figure 1 , Figure 2 and Figure 3 ,in Figure 1 A schematic diagram of the structure of a preferred embodiment of the oxygen electronic flow constant device provided by the utility model; Figure 2 for Figure 1 A cross-sectional view of the internal structure of the housing shown; Figure 3 for Figure 2 The enlarged schematic diagram of the structure at A in the middle. The oxygen electronic flow constant device comprises a housing 1, an oxygen input pipe 2 is connected to the outer side of the housing 1, an oxygen pressure gauge 3 and an oxygen flow display meter 4 are connected to the oxygen input pipe 2, an early warning mechanism 6 is arranged inside the housing 1, and the early warning mechanism 6 is used to prevent the dangerous situation caused by excessive gas concentration, a moisture bottle 5 is inserted into the housing 1, and a control screen 9 is arranged on the housing 1.

[0019] In the specific implementation process, Figure 1 , Figure 2 and Figure 3 As shown, the warning mechanism 6 includes a three-color lamp 61 installed on the shell 1, and a plurality of gas cylinders 62 are installed on the top of the inner cavity of the shell 1, and the gas outlet end of the gas cylinder 62 is connected to the oxygen output pipe 66.

[0020] By arranging the three-color light 61 on the housing 1, when the gas concentration inside the gas tank 62 reaches a threshold value, the three-color light 61 will give an early warning.

[0021] refer to Figure 1 , Figure 2 and Figure 3 As shown, the four sides of the gas tank 62 are connected with fixing blocks 64, a connecting rod is inserted into the fixing block 64, and a semicircular plate 63 is sleeved on the connecting rod.

[0022] By providing a semicircular plate 63 on the outer side of the gas tank 62 , the protectiveness of the gas tank 62 can be improved.

[0023] refer to Figure 1 , Figure 2 and Figure 3 As shown, one end of the oxygen output pipe 66 is connected to a heat exchanger 65 , an ion gas sensor 67 is connected to the oxygen output pipe 66 , and one end of the heat exchanger 65 is connected to the air inlet end of the moisture bottle 5 .

[0024] By arranging the ion gas sensor 67 on the oxygen output pipe 66, it is convenient to monitor the concentration of the gas inside the oxygen output pipe 66 and convert it into an electrical signal.

[0025] It should be noted that a microcontroller is provided inside the shell 1, and the microcontroller is used to receive the electrical signal of the ion gas sensor 67 and control the start and stop of the three-color lamp 61. The three-color lamp 61 is fixedly connected to the shell 1 by bolts, and the gas tank 62 is fixedly connected to the inner cavity of the shell 1 by bolts. The outlet end of the gas tank 62 is flange-connected to one end of the oxygen output pipe 66, and the oxygen output pipe 66 is flange-connected to the ion gas sensor 67. The air inlet end of the heat exchanger 65 is flange-connected, and the air outlet end of the heat exchanger 65 is screwed to the moisture bottle 5. The connecting rod is slidably inserted into the inside of the fixed block 64, and the semicircular plate 63 is slidably sleeved on the outside of the connecting rod. Both ends of the connecting rod are screwed with nuts to facilitate the matching of the fixed block 64 to limit the connecting rod.

[0026] As shown in the reference figures and the figures, an oxygen flow regulator 7 is provided at the bottom of the inner cavity of the shell 1, and a connecting pipe 8 is connected to one side of the oxygen flow regulator 7. One end of the connecting pipe 8 is connected to one end of the oxygen input pipe 2 through a pipeline, and the air outlet end of the oxygen flow regulator 7 is connected to the air inlet end of the gas tank 62.

[0027] By arranging an oxygen flow regulator 7 at the gas outlet end of the oxygen inlet pipe 2, it is convenient to adjust the gas flow in the pipe.

[0028] It should be noted that the oxygen flow regulator 7 is flange-connected to the connecting pipe 8 , and the connecting pipe 8 is flange-connected to the oxygen input pipe 2 .

[0029] The working principle of the oxygen electronic flow constant device provided by the utility model is as follows:

[0030] When in use, by connecting the gas source to the oxygen input pipe 2, when the gas source is connected, the oxygen pressure gauge 3 and the oxygen flow display meter 4 on the oxygen input pipe 2 can measure and display the pressure and flow data inside the oxygen input pipe 2, and the gas enters the oxygen flow regulator 7 from the connecting pipe 8. The oxygen flow regulator 7 is convenient for adjusting the flow rate of the gas. The gas passes through the inside of the gas tank 62 and flows out from the oxygen output pipe 66. During the flow of gas inside the oxygen output pipe 66, the ion gas sensor 67 on the oxygen output pipe 66 can detect the gas concentration inside the oxygen output pipe 66 and convert the gas concentration into an electrical signal to transmit to the microcontroller. When the gas concentration reaches the threshold, the microcontroller will control the three-color light 61 to give an early warning. When the temperature of the gas needs to be adjusted, the heat exchanger 65 can be turned on to preheat the gas inside the oxygen output pipe 66. By arranging a semicircular plate 63 on the outer side of the gas tank 62, it is convenient to improve the protectiveness of the gas tank 62.

[0031] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An oxygen electronic flow constant device, characterized in that: The invention comprises a shell (1), the outer side of the shell (1) is connected to an oxygen input pipe (2), the oxygen input pipe (2) is connected to an oxygen pressure gauge (3) and an oxygen flow display meter (4), an early warning mechanism (6) is arranged inside the shell (1), the early warning mechanism (6) is used to prevent dangerous situations caused by excessive gas concentration, a moisture bottle (5) is inserted into the shell (1), and a control screen (9) is arranged on the shell (1).

2. The oxygen electronic flow constant device according to claim 1, characterized in that: The warning mechanism (6) comprises a three-color lamp (61) mounted on the housing (1); a plurality of gas cylinders (62) are mounted on the top of the inner cavity of the housing (1); and the gas outlet ends of the gas cylinders (62) are connected to oxygen output pipes (66).

3. The oxygen electronic flow constant device according to claim 2, characterized in that: The four sides of the gas tank (62) are connected to fixing blocks (64), a connecting rod is inserted into the interior of the fixing block (64), and a semicircular plate (63) is sleeved on the connecting rod.

4. The oxygen electronic flow constant device according to claim 2, characterized in that: One end of the oxygen output pipe (66) is connected to a heat exchanger (65), an ion gas sensor (67) is connected to the oxygen output pipe (66), and one end of the heat exchanger (65) is connected to the air inlet end of the moisture bottle (5).

5. The oxygen electronic flow constant device according to claim 2, characterized in that: An oxygen flow regulator (7) is provided at the bottom of the inner cavity of the shell (1), and a connecting pipe (8) is connected to one side of the oxygen flow regulator (7), one end of the connecting pipe (8) is connected to one end of the oxygen input pipe (2) through a pipeline, and the gas outlet end of the oxygen flow regulator (7) is connected to the gas inlet end of the gas tank (62).

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