CN204034070U - A kind of respirator school inspection instrument - Google Patents
A kind of respirator school inspection instrument Download PDFInfo
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- CN204034070U CN204034070U CN201420503729.6U CN201420503729U CN204034070U CN 204034070 U CN204034070 U CN 204034070U CN 201420503729 U CN201420503729 U CN 201420503729U CN 204034070 U CN204034070 U CN 204034070U
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- pipeline
- respirator
- water column
- flowmeter
- column meter
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Abstract
The utility model discloses and a kind of examine for school that mining malleation oxygen inhalation apparatus, structure are simple, instrument not breakable respirator school inspection instrument, comprise Pressure gauge, water column meter, flowmeter, it is characterized in that: described Pressure gauge is connected with pressure gauge connection by the 3rd pipeline; Described water column meter is connected with bottom water box by second pipe, and described water box top is connected with water column meter interface by the first pipeline, and described water box is built with water; Described water column meter top vent is also connected with reversal valve with stop valve with the 8th pipeline respectively by the 7th pipeline, and described stop valve is connected with inflator pump by the 4th pipeline; Described reversal valve is also connected with inflator pump with air pump interface with the 6th pipeline respectively by the 5th pipeline; Described flowmeter is connected with flowmeter interface by the 9th pipeline; Described flowmeter, water column meter all adopt lucite to make.The utility model structure is simple, and can detect the many kinds of parameters of respirator, accuracy of detection is relatively high and production cost is low simultaneously.
Description
Technical field
The utility model relates to a kind of respirator school inspection instrument, particularly relates to a kind of mining malleation oxygen inhalation apparatus school inspection instrument.
Background technology
The general instrument of existing mining malleation oxygen inhalation apparatus school inspection instrument can only detect one or more similar parameters, if need the parameter detecting other just to need to use other instrument, this not only causes the inconvenience in use, but also increase equipment purchase cost, cost of transportation etc., and its structure is relatively complicated, manufacturing cost is higher, adopt during multiple detecting instrument and carry inconvenience.Again in prior art, flowmeter and the water column meter of respirator school inspection instrument adopt glass to make mostly, and this mode easily causes instrument broken, increases maintenance cost.
Utility model content
Because the above-mentioned defect of prior art, technical problem to be solved in the utility model is to provide a kind ofly examines for school that mining malleation oxygen inhalation apparatus, structure are simple, instrument not breakable respirator school inspection instrument.
For achieving the above object, the utility model provides a kind of respirator school inspection instrument, and comprise Pressure gauge, water column meter, flowmeter, described Pressure gauge is connected with pressure gauge connection by the 3rd pipeline; Described water column meter is connected with bottom water box by second pipe, and described water box top is connected with water column meter interface by the first pipeline, and described water box is built with water; Described water column meter top vent is also connected with reversal valve with stop valve with the 8th pipeline respectively by the 7th pipeline, and described stop valve is connected with inflator pump by the 4th pipeline; Described reversal valve is also connected with inflator pump with air pump interface with the 6th pipeline respectively by the 5th pipeline; Described flowmeter is connected with flowmeter interface by the 9th pipeline; Described flowmeter, water column meter all adopt lucite to make.
Further, described respirator school inspection instrument also comprises timer.
Further, described flowmeter, water column meter, Pressure gauge, timer observation part are all integrated in same panel.
The beneficial effects of the utility model are: the utility model structure is simple, and can detect the many kinds of parameters of respirator, accuracy of detection is relatively high and production cost is low simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of respirator school inspection of the utility model instrument detailed description of the invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail:
See Fig. 1, a kind of respirator school inspection instrument, comprise Pressure gauge 3, water column meter 4, flowmeter 5, timer 2, described Pressure gauge 3 is connected with pressure gauge connection 7 by the 3rd pipeline 15;
Described water column meter 4 is connected with bottom water box 1 by second pipe 14, and described water box 1 top is connected with water column meter interface 8 by the first pipeline 13, and described water box 1 is built with water;
Described water column meter 4 top vent is also connected with reversal valve 11 with stop valve 10 with the 8th pipeline 20 respectively by the 7th pipeline 19, and described stop valve 10 is connected with inflator pump 6 by the 4th pipeline 16;
Described reversal valve 11 is also connected with inflator pump 6 with air pump interface 9 with the 6th pipeline 18 respectively by the 5th pipeline 17;
Described flowmeter 5 is connected with flowmeter interface 12 by the 9th pipeline 21;
Described flowmeter 5, water column meter 4, Pressure gauge 3, timer 2 observation part are all integrated in same panel, and this mode is beneficial to observation more;
Described flowmeter, water column meter all adopt lucite to make, awkward situation frangible when this mode adopts glass to make before can effectively avoiding.
Utilize this school to examine instrument can detect positive pressure oxygen respirator relevant parameter with step by the following method:
1, the airtight test of oxygen breathing apparatus under barotropic condition
First lay a mouthpiece lid at the automatic exhaust steam valve of oxygen breathing apparatus, make automatic exhaust valve unlikely unlatching when intracapsular pressure increases, respectively the gas of respirator drain tap is accessed the gentle pump interface of water column meter interface with two tracheaes again, then opening inflator pump is pressed in respirator by air, till in water manometer, fluid column rises to and is greater than 980Pa pressure, stop valve is closed simultaneously, during water column balance, observe its decrease speed.Respirator is under 800Pa pressure, and maintenance lmin pressure drop must not more than 30Pa.During to respirator system gas transmission, air bag should be arranged simultaneously, gas can be full of really, to ensure the accuracy measured.
2, the operating pressure inspection of automatic exhaust steam valve
First respectively the gas of respirator drain tap is accessed the gentle pump interface of water column meter interface with two tracheaes, take down the mouthpiece lid be placed on air bleeding valve again, then opening inflator pump is pressed in respirator by air, when air bag is full of, stop valve is closed, then the oxygen cylinder switch of tested respirator is opened, continue gas transmission by quantitative oxygen supply to respirator system, according to the height of water column liquid level, determine that automatic exhaust steam valve breakdown action pressure should within the scope of 400 ~ 700Pa.
3, the operating pressure inspection of automatic replenishing valve
First respectively the gas of respirator drain tap is accessed the gentle pump interface of water column meter interface with two tracheaes, again by the pull-out of reversal valve, then open the oxygen cylinder switch of tested respirator, one side utilizes pump outwards to bleed from respirator, and one side observes the liquid level of water manometer.The oxygen of supply constantly inputs, and pump continues to bleed water column liquid level should without remarkable decline, and at this moment tested respirator water column reaches balance, and the breakdown action pressure of automatic replenishing valve should within the scope of 10 ~ 245Pa.
4, the quantitative oxygen flow inspection of respirator
First with tracheae, the throttle orifice of the apparatus of oxygen supply of respirator is connected with flowmeter interface, then opens apparatus of oxygen supply oxygen supply, measure the oxygen flow confessed by the throttle orifice of the apparatus of oxygen supply of tested respirator whether within the scope of >=1.4L/min with this.
5, respirator pressure reducer gun pressure checks
Quantitative oxygen supply plug is inserted pressure gauge connection, opens gas cylinder and observable pressure representative value, whether inspection respirator pressure reducer thorax chamber pressure is within the scope of 0.4-0.83MPa.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without the need to creative work.Therefore, all technical staff in the art according to design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should by the determined protection domain of claims.
Claims (3)
1. a respirator school inspection instrument, comprises Pressure gauge, water column meter, flowmeter, it is characterized in that: described Pressure gauge is connected with pressure gauge connection by the 3rd pipeline; Described water column meter is connected with bottom water box by second pipe, and described water box top is connected with water column meter interface by the first pipeline, and described water box is built with water; Described water column meter top vent is also connected with reversal valve with stop valve with the 8th pipeline respectively by the 7th pipeline, and described stop valve is connected with inflator pump by the 4th pipeline; Described reversal valve is also connected with inflator pump with air pump interface with the 6th pipeline respectively by the 5th pipeline; Described flowmeter is connected with flowmeter interface by the 9th pipeline; Described flowmeter, water column meter all adopt lucite to make.
2. a kind of respirator school inspection instrument as claimed in claim 1, is characterized in that: described respirator school inspection instrument also comprises timer.
3. a kind of respirator school inspection instrument as claimed in claim 1 or 2, is characterized in that: described flowmeter, water column meter, Pressure gauge, timer observation part are all integrated in same panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420503729.6U CN204034070U (en) | 2014-09-02 | 2014-09-02 | A kind of respirator school inspection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420503729.6U CN204034070U (en) | 2014-09-02 | 2014-09-02 | A kind of respirator school inspection instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204034070U true CN204034070U (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420503729.6U Active CN204034070U (en) | 2014-09-02 | 2014-09-02 | A kind of respirator school inspection instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN204034070U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108042944A (en) * | 2017-12-29 | 2018-05-18 | 北京安锐科技有限公司 | A kind of positive pressure oxygen respirator detector |
-
2014
- 2014-09-02 CN CN201420503729.6U patent/CN204034070U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108042944A (en) * | 2017-12-29 | 2018-05-18 | 北京安锐科技有限公司 | A kind of positive pressure oxygen respirator detector |
| CN108042944B (en) * | 2017-12-29 | 2022-12-27 | 山西虹安应急科技有限公司 | Positive pressure oxygen respirator detector |
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