CN108042944B - Positive pressure oxygen respirator detector - Google Patents
Positive pressure oxygen respirator detector Download PDFInfo
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- CN108042944B CN108042944B CN201711482189.2A CN201711482189A CN108042944B CN 108042944 B CN108042944 B CN 108042944B CN 201711482189 A CN201711482189 A CN 201711482189A CN 108042944 B CN108042944 B CN 108042944B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B27/00—Methods or devices for testing respiratory or breathing apparatus for high altitudes
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Abstract
The invention discloses a positive pressure oxygen respirator detector, and belongs to the technical field of performance detection devices of safety equipment for personal respiratory protection. The technical scheme includes that the device comprises a small flow meter, a flow divider valve, a large flow meter, a small flow gas path interface, a box body, a gas source switch, a high-pressure gas path interface, a medium-pressure interface, a positive-negative pressure switch, a reversing valve, a small pump switch, a large pump switch, a power switch, a box body connecting support, an upper panel gas path interface A, a lower panel gas path interface, a low-pressure interface, a large-flow gas path interface, a water level adjusting knob, a water level gauge, a counter-flow switch, an external gas path gas source interface, a high-pressure meter, a pressure regulating valve, a medium-pressure meter, a positive-negative pressure gas path interface, an upper panel gas path interface B, a lower panel gas path interface B and a water filling port. The invention has the advantages of detection of the low pressure, the high pressure and the technical performance specified by the standard of the positive pressure oxygen respirator and the gas cylinder, convenient carrying, easy maintenance and the like.
Description
Technical Field
The invention belongs to the technical field of performance detection devices of safety equipment for personal respiratory protection, and particularly relates to a positive pressure oxygen respirator detector.
Background
At present, in the domestic market, a positive pressure oxygen respirator is an individual safety protection article with large use amount and wide range, and is also a necessary device for emergency rescue workers at all levels, while a working principle of measuring differential pressure flow is adopted by a positive pressure oxygen respirator detector widely used in China at present, and the problems of low measurement precision, complex operation, no compensation performance of a pressure gauge and a flow meter on atmosphere and temperature, detection result comparison with standard parameters, inconvenient maintenance and the like exist.
Disclosure of Invention
The invention aims to provide a positive pressure oxygen respirator detector which is convenient to carry and easy to maintain and aims to realize detection of low pressure, high pressure and technical performance specified by standards of a positive pressure oxygen respirator and a gas cylinder.
In order to achieve the purpose, the invention adopts the technical scheme that: a positive pressure oxygen respirator detector, wherein: the device comprises a small flowmeter, a flow divider valve, a large flowmeter, a small-flow gas path interface, a box body, a gas source switch, a high-pressure gas path interface, a medium-pressure interface, a positive-negative pressure switch, a reversing valve, a small pump switch, a large pump switch, a power switch, a box body connecting bracket, an upper panel gas path interface A, a lower panel gas path interface A, a low-pressure interface, a high-flow gas path interface, a water level adjusting knob, a water level meter, a counter-flow switch, an external gas path gas source interface, a high-pressure meter, a pressure regulating valve, a medium-pressure meter, a positive-negative pressure gas path interface, an upper panel gas path interface B and a lower panel gas path interface B, and a water filling port; the small flowmeter is fixed in a small flowmeter hole groove positioned above the left side of an upper cover panel of the box body, the small-flow gas path interface is positioned under the small flowmeter and fixed in the small-flow gas path interface hole groove, the large flowmeter is correspondingly fixed in a large flowmeter hole groove above the right side of the upper cover panel, and the large-flow gas path interface is positioned under the large flowmeter and fixed in a large-flow gas path interface hole groove; the upper and lower panel gas circuit interfaces A are fixed in upper and lower panel gas circuit interface hole grooves below the large-flow gas circuit interface, the diverter valve is fixed in a diverter valve hole groove and is positioned between the small flowmeter and the large flowmeter, the water level gauge is fixed in a water level gauge hole groove on the right side of the upper cover panel of the box body, the water level adjusting knob is fixed in a water level adjusting knob hole groove and is positioned on the left lower side of the water level gauge, and the low-pressure interface is fixed in a low-pressure interface hole groove and is positioned below the water level adjusting knob; the counter-flow switch is fixed in a counter-flow switch hole groove on the upper right of the upper cover panel of the box body; the high-pressure gauge is fixed in a high-pressure gauge hole groove above the left side of the lower case body panel, the medium-pressure gauge is fixed in a medium-pressure gauge hole groove above the right side of the lower case body panel, the positive and negative pressure gas circuit interfaces are fixed in positive and negative pressure gas circuit interface hole grooves above the right side of the medium-pressure gauge, the pressure regulating valve is fixed below the high-pressure gauge and the medium-pressure gauge and is positioned in a pressure regulating valve hole groove in the middle, the gas source switch is fixed in a gas source switch hole groove below the left side of the lower case body panel, the external gas circuit gas source interface is fixed in an external gas circuit gas source interface hole groove at the middle position outside the lower case body panel, the high-pressure gas circuit interface is fixed in a high-pressure gas circuit interface hole groove below the lower case body panel, the medium-pressure interface is fixed in a medium-pressure interface hole groove parallel to the high-pressure gas circuit interface and positioned on the right side, the reversing valve is fixed in a reversing valve hole groove below the right side where the panel is bent part of the lower case body panel, and the positive and negative pressure switch is fixed in a positive and negative pressure switch hole groove below the reversing valve; the large pump switch is fixed in a large pump switch groove below the right side of the bent part of the lower shell panel of the box body, the small pump switch is fixed in a small pump switch groove and positioned on the right side of the large pump switch, and the power switch is fixed in a power switch groove positioned right above the large pump switch and the small pump switch; the small flowmeter and the large flowmeter are connected with the flow divider through a gas circuit, and the water level gauge is connected with the water filling port and the water level adjusting knob on the lower left side through a water tank arranged on a panel of an upper cover of the tank body; the air source switch and the high-pressure air path interface are connected with the high-pressure meter through a copper pipe and the high-pressure interface of the pressure regulating valve; the medium pressure meter and the medium pressure interface are connected with the medium pressure interface of the pressure regulating valve through a copper pipe; the upper panel air path interface A and the lower panel air path interface A are connected with the upper panel air path interface B and the lower panel air path interface B through quick plugging hoses; the power switch is connected with an external power supply, the big pump switch is connected with a big pump arranged in the lower shell panel of the box body through a circuit, and the small pump switch is connected with an air pump arranged in the lower shell panel of the box body through a circuit.
Compared with the prior art, the invention has the following advantages:
first, the invention selects the air pump as the main air source, cancels the manual air supply device, saves the space and reduces the complex external connection.
And secondly, the device can be used for detecting technical indexes of the positive pressure oxygen respirator and can also be used for carrying out various detections on related pressure and flow on parts of a product.
Thirdly, the invention adopts a special case, has good shock resistance, moisture resistance and pressure resistance, is convenient to carry and is suitable for mobile use.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic diagram of a bottom case panel structure of the case of the present invention.
FIG. 3 is a schematic diagram of the overall inspection system of the present invention.
Detailed Description
As shown in fig. 1 and fig. 2, the positive pressure oxygen respirator detector according to the present embodiment includes: the device comprises a small flowmeter 1, a flow divider valve 2, a large flowmeter 3, a small-flow gas path interface 4, a box body 5, a gas source switch 6, a high-pressure gas path interface 7, a medium-pressure interface 8, a positive and negative pressure switch 9, a reversing valve 10, a small pump switch 11, a large pump switch 12, a power switch 13, a box body connecting bracket 14, an upper panel gas path interface A15, a lower panel gas path interface A15, a low-pressure interface 16, a large-flow gas path interface 17, a water level adjusting knob 18, a water level gauge 19, a counter-flow switch 20, an external gas path gas source interface 21, a high-pressure gauge 22, a pressure regulating valve 23, a medium-pressure gauge 24, a positive and negative pressure gas path interface 25, an upper panel gas path interface B26, a lower panel gas path interface B26 and a water injection port 27; the small flowmeter 1 is fixed in a small flowmeter hole groove positioned above the left side of an upper cover panel of the box body 5, the small-flow gas path interface 4 is positioned under the small flowmeter 1 and fixed in the small-flow gas path interface hole groove, the large flowmeter 3 is correspondingly fixed in a large flowmeter hole groove above the right side of the upper cover panel, and the large-flow gas path interface 17 is positioned under the large flowmeter 3 and fixed in the large-flow gas path interface hole groove; the upper and lower panel gas path interfaces A15 are fixed in upper and lower panel gas path interface hole grooves below the large-flow gas path interface 17, the diverter valve 2 is fixed in a diverter valve hole groove and is positioned between the small flowmeter 1 and the large flowmeter 3, the water level gauge 19 is fixed in a water level gauge hole groove on the right side of an upper cover panel of the box body 5, the water level adjusting knob 18 is fixed in a water level adjusting knob hole groove and is positioned at the left lower part of the water level gauge 19, and the low-pressure interface 16 is fixed in a low-pressure interface hole groove and is positioned below the water level adjusting knob 18; the counter flow switch 20 is fixed in a counter flow switch hole groove on the upper right of the upper cover panel of the box body 5; the high-pressure gauge 22 is fixed in a high-pressure gauge hole groove above the left side of a lower shell of the box body 5, the medium-pressure gauge 24 is fixed in a medium-pressure gauge hole groove above the right side of a lower shell panel of the box body 5, the positive and negative pressure gas circuit interface 25 is fixed in a positive and negative pressure gas circuit interface hole groove above the right side of the medium-pressure gauge 24, the pressure regulating valve 23 is fixed below the high-pressure gauge 22 and the medium-pressure gauge 24 and positioned in a pressure regulating valve hole groove in the middle, the gas source switch 6 is fixed in a gas source switch hole groove below the left side of the lower shell panel of the box body 5, the external gas circuit gas source interface 21 is fixed in an external gas circuit gas source interface hole groove at the middle position outside the left side of the lower shell of the box body 5, the high-pressure gas circuit interface 7 is fixed in a high-pressure interface hole groove below the lower shell panel of the box body 5, the medium-pressure interface 8 is fixed in a medium-pressure interface hole groove parallel to the high-pressure gas circuit interface 7 and positioned on the right side, the reversing valve 10 is fixed in a reversing valve hole groove below the right side of the lower shell panel of the box body 5, and the positive and negative pressure switch 9 is fixed in a positive and negative pressure switch hole groove below the reversing valve 10; the big pump switch 12 is fixed in a big pump switch groove below the right side of the bent part of the lower shell panel of the box body 5, the small pump switch 11 is fixed in a small pump switch groove and positioned on the right side of the big pump switch, and the power switch 13 is fixed in a power switch groove positioned right above the big pump switch 12 and the small pump switch 11; the small flowmeter 1 and the large flowmeter 3 are in gas circuit connection with the flow divider 2, and the water level gauge 19 is connected with the water filling port 27 and the water level adjusting knob 18 on the lower left side through a water tank arranged on an upper cover panel of the box body 5; the air source switch 6, the high-pressure air path interface 7 and the high-pressure gauge 22 are connected with a high-pressure interface of the pressure regulating valve 23 through copper pipes; the medium pressure gauge 24 and the medium pressure interface 8 are connected with the medium pressure interface of the pressure regulating valve 23 through copper pipes; the upper panel air passage interface A15 and the lower panel air passage interface B26 are connected with each other through quick plugging hoses; the power switch 13 is connected with an external power supply, the big pump switch 12 is connected with a big pump arranged in the lower shell panel of the box body 5 through a circuit, and the small pump switch 11 is connected with an air pump arranged in the lower shell panel of the box body 5 through a circuit.
As shown in figure 3, the detector for the positive pressure oxygen respirator can detect all technical performances specified by the standard of the positive pressure oxygen respirator. When the invention is started, firstly the pressure regulating valve is regulated to the release position, then the water level is regulated to zero, and when the water column water level of the water level gauge 19 is not at zero point, the water level regulating knob 18 is regulated. The water level adjusting knob 18 rotates leftwards, the water level of the water column rises, and when the water level adjusting knob 18 is not moved and the water level is lower than zero, the water storage quantity of the water box is insufficient, and a proper amount of purified water needs to be added at the water filling port 27; rotating to the right, the water level gauge 19 water column level drops. When the water level adjusting knob 18 reaches the limit water level which is higher than zero, the water storage quantity of the water box is too much, and the water needs to be blown out from the low-pressure opening.
When the invention is started, and the airtight test is needed, firstly, the power switch 13 is turned on, one pipe of the test connector is connected with the positive and negative pressure connection ports 9, and the other pipe is connected with the low-voltage connection port 16. The small pump switch 11 is pressed, the air exchange valve 10 is opened, then the positive and negative pressure switch 9 is opened to the positive position, air is pumped into the system, the pressure of the water level gauge 19 begins to drop, when the pressure reaches-800 Pa, the air inlet pipe is immediately clamped by a spring clamp, the air exchange valve 10 is closed, whether the water column rises or not is observed after the water column is stabilized, timing is started, the pressure rises within 30Pa within one minute, and the air tightness is good.
Claims (1)
1. The positive pressure oxygen respirator detector is characterized in that: the device comprises a small flowmeter (1), a flow divider valve (2), a large flowmeter (3), a small-flow gas path interface (4), a box body (5), a gas source switch (6), a high-pressure gas path interface (7), a medium-pressure interface (8), a positive-negative pressure switch (9), a reversing valve (10), a small pump switch (11), a large pump switch (12), a power switch (13), a box body connecting support (14), an upper panel gas path interface A (15), a lower panel gas path interface (16), a large-flow gas path interface (17), a water level adjusting knob (18), a water level gauge (19), a counter flow switch (20), an external gas path gas source interface (21), a high-pressure gauge (22), a pressure regulating valve (23), a medium-pressure gauge (24), a positive-negative pressure gas path interface (25), an upper panel gas path interface B (26) and a water injection port (27); the small flowmeter (1) is fixed in a small flowmeter hole groove positioned above the left side of an upper cover panel of the box body (5), the small-flow gas path interface (4) is positioned under the small flowmeter (1) and fixed in the small-flow gas path interface hole groove, the large flowmeter (3) is correspondingly fixed in a large-flow meter hole groove above the right side of the upper cover panel, and the large-flow gas path interface (17) is positioned under the large flowmeter (3) and fixed in the large-flow gas path interface hole groove; the upper panel gas path interface A and the lower panel gas path interface A (15) are fixed in upper and lower panel gas path interface hole grooves below the large-flow gas path interface (17), the diverter valve (2) is fixed in the diverter valve hole groove and is positioned between the small flowmeter (1) and the large flowmeter (3), the water level gauge (19) is fixed in a water level gauge hole groove on the right side of an upper cover panel of the box body (5), the water level adjusting knob (18) is fixed in the water level adjusting knob hole groove and is positioned on the left lower side of the water level gauge (19), and the low-pressure interface (16) is fixed in a low-pressure interface hole groove and is positioned below the water level adjusting knob (18); the counter flow switch (20) is fixed in a counter flow switch hole groove on the upper right of an upper cover panel of the box body (5); the high-pressure gauge (22) is fixed in a high-pressure gauge hole groove above the left side of a lower shell of the box body (5), the medium-pressure gauge (24) is fixed in a medium-pressure gauge hole groove above the right side of a lower shell panel of the box body (5), the positive and negative pressure gas circuit interface (25) is fixed in a positive and negative pressure gas circuit interface hole groove above the right side of the medium-pressure gauge (24), the pressure regulating valve (23) is fixed in a pressure regulating valve hole groove below the high-pressure gauge (22) and the medium-pressure gauge (24) and positioned in the middle, the gas source switch (6) is fixed in a gas source switch hole groove below the left side of the lower shell panel of the box body (5), the external gas circuit gas source interface (21) is fixed in an external gas circuit gas source interface hole groove at the middle position outside the left side of the lower shell of the box body (5), the high-pressure gas circuit interface (7) is fixed in a high-pressure gas circuit interface hole groove below the lower shell panel of the box body (5), the medium-pressure interface (8) is fixed in a medium-pressure interface hole groove parallel to the right side of the high-pressure gas circuit interface (7) and positioned in the right side, the reversing valve (10) is fixed in a positive and the negative pressure switch hole groove below the negative pressure switch panel; the large pump switch (12) is fixed in a large pump switch groove below the right side of a bent part of a lower shell panel of the box body (5), the small pump switch (11) is fixed in a small pump switch groove and is positioned on the right side of the large pump switch, and the power switch (13) is fixed in a power switch groove positioned right above the large pump switch (12) and the small pump switch (11); the small flowmeter (1) and the large flowmeter (3) are in gas circuit connection with the flow divider (2), and the water level gauge (19) is connected with a water filling port (27) and a water level adjusting knob (18) on the lower left side through a water tank arranged on an upper cover panel of the box body (5); the air source switch (6), the high-pressure air path interface (7) and the high-pressure gauge (22) are connected with the high-pressure interface of the pressure regulating valve (23) through copper pipes; the medium pressure meter (24) and the medium pressure interface 8 are connected with the medium pressure interface of the pressure regulating valve (23) through a copper pipe; the upper panel air passage interface A and the lower panel air passage interface A (15) are connected with the upper panel air passage interface B and the lower panel air passage interface B (26) through quick plugging hoses; the power switch (13) is connected with an external power supply, the big pump switch (12) is connected with a big pump arranged in the lower shell panel of the box body (5) through a circuit, and the small pump switch (11) is connected with an air pump arranged in the lower shell panel of the box body (5) through a circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711482189.2A CN108042944B (en) | 2017-12-29 | 2017-12-29 | Positive pressure oxygen respirator detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711482189.2A CN108042944B (en) | 2017-12-29 | 2017-12-29 | Positive pressure oxygen respirator detector |
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| CN108042944A CN108042944A (en) | 2018-05-18 |
| CN108042944B true CN108042944B (en) | 2022-12-27 |
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| CN201711482189.2A Active CN108042944B (en) | 2017-12-29 | 2017-12-29 | Positive pressure oxygen respirator detector |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5299448A (en) * | 1993-03-05 | 1994-04-05 | Cabot Safety Corporation | Positive pressure test apparatus for facepiece respirator |
| CN203370209U (en) * | 2013-05-24 | 2014-01-01 | 公安部上海消防研究所 | Portable positive-pressure-type oxygen respirator detector |
| CN103768736A (en) * | 2014-01-24 | 2014-05-07 | 山西虹安科技股份有限公司 | Intelligent respirator detection device |
| CN204034070U (en) * | 2014-09-02 | 2014-12-24 | 重庆瑞进公共安全设备有限公司 | A kind of respirator school inspection instrument |
| CN207898778U (en) * | 2017-12-29 | 2018-09-25 | 北京安锐科技有限公司 | A kind of positive pressure oxygen respirator detector |
-
2017
- 2017-12-29 CN CN201711482189.2A patent/CN108042944B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5299448A (en) * | 1993-03-05 | 1994-04-05 | Cabot Safety Corporation | Positive pressure test apparatus for facepiece respirator |
| CN203370209U (en) * | 2013-05-24 | 2014-01-01 | 公安部上海消防研究所 | Portable positive-pressure-type oxygen respirator detector |
| CN103768736A (en) * | 2014-01-24 | 2014-05-07 | 山西虹安科技股份有限公司 | Intelligent respirator detection device |
| CN204034070U (en) * | 2014-09-02 | 2014-12-24 | 重庆瑞进公共安全设备有限公司 | A kind of respirator school inspection instrument |
| CN207898778U (en) * | 2017-12-29 | 2018-09-25 | 北京安锐科技有限公司 | A kind of positive pressure oxygen respirator detector |
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| CN108042944A (en) | 2018-05-18 |
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Effective date of registration: 20221117 Address after: 030000 Floor 2, Building 1, No. 6, Wuluo Street, Tanghuai Industrial Park, Shanxi Transformation Comprehensive Reform Demonstration Zone, Taiyuan, Shanxi Province Applicant after: Shanxi Hong'an Emergency Technology Co.,Ltd. Address before: No. 16, Zhufang Road, Haidian District, Beijing 100,085 Applicant before: BEIJING ANRUI SCIENCE & TECHNOLOGY Co.,Ltd. |
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