CN211122752U - Diffusion type and pump suction type universal portable gas detector shell - Google Patents
Diffusion type and pump suction type universal portable gas detector shell Download PDFInfo
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- CN211122752U CN211122752U CN201921690962.9U CN201921690962U CN211122752U CN 211122752 U CN211122752 U CN 211122752U CN 201921690962 U CN201921690962 U CN 201921690962U CN 211122752 U CN211122752 U CN 211122752U
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- trachea
- gaseous distribution
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Abstract
The utility model discloses a portable gas detection appearance shell of general type of diffusion formula and pumping formula, including the shell body, can dismantle the back lid of being connected with the shell body, shell body top is equipped with air inlet, gas outlet, be equipped with the sensor installation room that gaseous distribution module, a plurality of are used for installing the sensor on the shell body front end inner wall, each the sensor installation room communicates with gas outlet, gaseous distribution module respectively through first trachea, second trachea, gaseous distribution module is cavity casing or aspirator pump, gaseous distribution module still communicates with the air inlet through the third trachea, works as when gaseous distribution module is the cavity casing, the front end lateral wall and the corresponding department of sensor installation room position of shell body are equipped with the air vent. The utility model discloses can be applicable to diffusion formula instrument and pump suction formula instrument simultaneously, the mode of calibration of ventilating is unified, has reduced manufacturing cost.
Description
Technical Field
The utility model relates to a gaseous detection device field especially relates to a diffusion formula and portable gas detection appearance shell of general type of pump suction formula.
Background
Various toxic, harmful, flammable and explosive gases exist in the production process, the safety of workers and production facilities is threatened, and the gas detector is widely applied to dangerous places, provides early warning and protects the safety of lives and property. The response time requirements for the gas detector are different according to different protection places and protection objects. When the requirement on response time is not high, a diffusion detector can be adopted, and the manufacturing difficulty and cost are reduced. When rapid early warning is needed or harmful gas needs to flow to be normally detected, an air suction pump needs to be added to accelerate the gas flow. The traditional diffusion type and the pump suction type are completely different in structure and air circuit design, different in ventilation calibration mode, high in design and manufacturing cost and high in manufacturing cost, and two different shells need to be manufactured.
Disclosure of Invention
In order to solve the problem mentioned in the above-mentioned background art, the utility model provides a diffusion formula and general type portable gas detection appearance shell of pump suction type can be applicable to diffusion formula instrument and pump suction type instrument simultaneously, and the mode of the calibration of ventilating is unified.
The utility model provides a portable gas detection appearance shell of general type of diffusion formula and pumping formula, includes the shell body, can dismantle the back lid of being connected with the shell body, shell body top is equipped with air inlet, gas outlet, be equipped with the sensor installation room that gaseous distribution module, a plurality of are used for installing the sensor on the shell body front end inner wall, each the sensor installation room communicates with gas outlet, gaseous distribution module respectively through first trachea, second trachea, gaseous distribution module is cavity casing or aspirator pump, gaseous distribution module still communicates with the air inlet through the third trachea, works as when gaseous distribution module is the cavity casing, the front end lateral wall and the corresponding department in sensor installation room position of shell body are equipped with the air vent.
Further, the vent hole is covered with a waterproof breathable film.
The utility model has the advantages that: the utility model discloses can be applicable to diffusion formula gas detection appearance and pump suction type gas detection appearance simultaneously, the mode of calibration of ventilating is unified, has reduced manufacturing cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention when the gas distribution module is a cavity housing.
Wherein, 1 is the shell body, 2 is the air inlet, 3 is the gas outlet, 4 is sensor installation room, 5 is the gas distribution module, 6 is the air vent, 7 is waterproof ventilated membrane, 8 is the display screen installing port, 9 is the button installing port, 10 is first trachea, 11 is the second trachea, 12 is the third trachea, 13 is the back lid, 14 is the screw.
Detailed Description
The present invention will be described in further detail below with reference to the accompanying drawings by way of specific embodiments.
As shown in the figure portable gas detection appearance shell of general type of diffusion formula and pumping formula, including shell body 1, can dismantle the back lid 13 of being connected with shell body 1, back lid 13 can dismantle with shell body 1 through screw 14 and be connected, shell body 1 top is equipped with air inlet 2, gas outlet 3, be equipped with gas distribution module 5, a plurality of on the inner wall of shell body 1 front end and be used for installing sensor's sensor installation room 4, sensor installation room 4 can dismantle with shell body 1's front end lateral wall through screw 14 and be connected. Each sensor installation room 4 communicates with gas outlet 3, gas distribution module 5 respectively through first trachea 10, second trachea 11, gas distribution module 5 is cavity casing or aspirator pump, gas distribution module 5 still communicates with air inlet 2 through third trachea 12, works as when gas distribution module 5 is the cavity casing, the front end lateral wall of shell body 1 is equipped with air vent 6 with the corresponding department in sensor installation room 4 position.
Wherein, the vent hole 6 is covered with a waterproof breathable film 7. The waterproof breathable film 7 can be a polytetrafluoroethylene film, a PU film or a TPU film, and the waterproof breathable film 7 can be bonded on the inner wall of the front end of the shell body 1.
In addition, a display screen mounting port 8 and a key mounting port 9 are also arranged on the side wall of the front end of the shell body 1.
The utility model discloses when concrete implementation: when the utility model is used for during diffusion formula gas detector, gas distribution module 5 is the cavity casing. During calibration, standard gas is introduced into the gas inlet 2, enters the sensor installation chamber 4 through the cavity shell and is discharged from the gas outlet 3; during detection, gas can enter and exit the sensor mounting chamber 4 through the vent hole 6 and the waterproof breathable film 7.
When the utility model is used for during the gaseous detector of pump suction formula, gas distribution module 5 is the aspirator pump. During calibration, standard gas is introduced into the gas inlet 2, enters the sensor installation chamber 4 through the getter pump, and is discharged from the gas outlet 3. During detection, gas enters the sensor installation chamber 4 through the suction pump and is discharged from the gas outlet 3.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The utility model provides a portable gas detection appearance shell of general type of diffusion formula and pumping formula, includes the shell body, can dismantle the back lid of being connected with the shell body, its characterized in that, shell body top is equipped with air inlet, gas outlet, be equipped with the sensor installation room that gaseous distribution module, a plurality of are used for installing the sensor on the shell body front end inner wall, each the sensor installation room communicates with gas outlet, gaseous distribution module respectively through first trachea, second trachea, gaseous distribution module is cavity casing or aspirator pump, gaseous distribution module still communicates with the air inlet through the third trachea, works as when gaseous distribution module is the cavity casing, the front end lateral wall and the corresponding department in sensor installation room position of shell body are equipped with the air vent.
2. The portable gas detector housing of claim 1, wherein the vent is covered with a waterproof, gas permeable membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921690962.9U CN211122752U (en) | 2019-10-11 | 2019-10-11 | Diffusion type and pump suction type universal portable gas detector shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921690962.9U CN211122752U (en) | 2019-10-11 | 2019-10-11 | Diffusion type and pump suction type universal portable gas detector shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211122752U true CN211122752U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921690962.9U Active CN211122752U (en) | 2019-10-11 | 2019-10-11 | Diffusion type and pump suction type universal portable gas detector shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211122752U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798740A (en) * | 2020-12-30 | 2021-05-14 | 天地（常州）自动化股份有限公司 | Detection system |
-
2019
- 2019-10-11 CN CN201921690962.9U patent/CN211122752U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798740A (en) * | 2020-12-30 | 2021-05-14 | 天地（常州）自动化股份有限公司 | Detection system |
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