CN221015250U - Anti-poison filter element with penetration indication function - Google Patents
Anti-poison filter element with penetration indication function Download PDFInfo
- Publication number
- CN221015250U CN221015250U CN202322369127.8U CN202322369127U CN221015250U CN 221015250 U CN221015250 U CN 221015250U CN 202322369127 U CN202322369127 U CN 202322369127U CN 221015250 U CN221015250 U CN 221015250U
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- China
- Prior art keywords
- shell
- filter
- cavity
- air
- alarm unit
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- 230000035515 penetration Effects 0.000 title claims abstract description 17
- 239000002574 poison Substances 0.000 title abstract description 17
- 238000005070 sampling Methods 0.000 claims abstract description 53
- 239000000463 material Substances 0.000 claims abstract description 31
- 238000001914 filtration Methods 0.000 claims abstract description 25
- 238000000926 separation method Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 239000000729 antidote Substances 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 10
- 239000002341 toxic gas Substances 0.000 abstract description 10
- 231100000614 poison Toxicity 0.000 abstract description 7
- 239000003440 toxic substance Substances 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 20
- 230000000694 effects Effects 0.000 description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 229920000742 Cotton Polymers 0.000 description 9
- 238000001179 sorption measurement Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000002155 anti-virotic effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000012209 synthetic fiber Substances 0.000 description 3
- 229920002994 synthetic fiber Polymers 0.000 description 3
- 231100000167 toxic agent Toxicity 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000013043 chemical agent Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000035943 smell Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000007059 acute toxicity Effects 0.000 description 1
- 231100000403 acute toxicity Toxicity 0.000 description 1
- 230000001147 anti-toxic effect Effects 0.000 description 1
- 230000007665 chronic toxicity Effects 0.000 description 1
- 231100000160 chronic toxicity Toxicity 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910001872 inorganic gas Inorganic materials 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model provides an anti-poison filter with a penetration indication function, which relates to the technical field of filter, and comprises a shell, wherein a filtering material for filtering air is filled in the shell, a shell cover is welded at a port of the shell, an air inlet for air to pass through and enter the shell is formed in the shell cover, one side of the shell is communicated with an interface, the filtered air is discharged out of the shell through the interface, a sampling tube is inserted into the side wall of the shell, one end of the sampling tube, which is positioned outside the shell, is communicated with an alarm unit, and the alarm unit is used for detecting and warning the filtered air in the filtering material in the shell led out of the sampling tube. The alarm unit is a transparent container filled with the indicating reagent (the indicator capable of changing color with the conventional toxic gas is used as a conventional technical means, so that the indicator can be replaced according to the toxic substances existing in the operation place without redundant description.
Description
Technical Field
The utility model relates to the technical field of filter elements, in particular to a gas protection filter element with a penetration indicating function.
Background
A large amount of chemical reagents are needed in the current industrial production, wherein part of chemical reagents have strong acute and chronic toxicity to human bodies. For gases or chemical reagents with volatility, when the concentration of the gases cannot be reduced below the safe concentration by adopting means such as ventilation, the gas mask becomes the only means for guaranteeing the life health and safety of operators.
The gas mask is mainly protected by a gas-proof filter arranged on the gas mask. Because toxic gases are of various kinds, such as organic gases, inorganic gases, acid gases, etc., the toxic gases are protected by a specific gas-proof filter. Activated carbon which is specially treated is filled in the anti-poison filter element, so that the concentration of poison gas in inhaled gas is reduced in an adsorption and reaction mode. The activated carbon treatment and the filling density of the anti-poison filter are different for different toxic gases.
The overall adsorption capacity of activated carbon within the gas barrier filter is limited. At present, many anti-virus filter parts prompt a user to replace the anti-virus filter parts in time after a certain working time is exceeded or the user smells that peculiar smell exists in inhaled gas. However, the service life of the gas-proof filter is closely related to working strength, ambient temperature and humidity, storage conditions before unsealing, and the like, and when the gas-proof filter fails, the gas-proof filter cannot be accurately defined. The determination of malodour also presents great difficulties for the wearer. Considering the wide application of the anti-poison filter, there is a wide need for how to realize intuitive and convenient indication of failure of the anti-poison filter and poison gas penetration.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides an anti-poison filter with a penetration indication function.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an anti-poison filter with penetrate instruction function, includes the shell, the inside filter material that has filled filter air of shell, the port welding of shell has the cap, set up the air inlet that supplies the air to get into the shell on the cap, one side intercommunication of shell has the interface, the air after the interface supplies the filtration discharges the shell, insert on the lateral wall of shell and be equipped with the sampling pipe, the one end intercommunication that the sampling pipe is located the shell outside has alarm unit, alarm unit is arranged in deriving filter air in the shell to the sampling pipe and detects and warn.
The effects achieved by the components are as follows: when the device is needed to be used, the filter material (including but not limited to synthetic fiber filter cotton, glass fiber filter cotton and activated carbon filter cotton) is filled in the shell, the chemical agent capable of reacting with poison is soaked in the filter material by adopting a molecular level infiltration coating technology, so that the toxic effect is prevented, when the device is used, air is sucked into the shell by utilizing the air inlet through the interface, the air sucked into the air is adsorbed or reacted by the filter material, so that the effect of filtering the poison in the air is achieved, the sampling tube inserted into the shell can guide the air in the filter material in the shell out to the alarm unit, and the alarm unit is a gas sensor (or the alarm unit is a transparent container filled with an indicator reagent capable of changing color with the conventional poison reaction, so that the device is not excessively repeated, and the indicator for changing the toxic substance can exist according to an operation place).
Preferably, the sampling tube is inserted into the internal port of the housing adjacent to the interface.
The effects achieved by the components are as follows: the sampling tube is arranged at a position close to the interface, and when an upper alarm unit in the sampling tube alarms, the majority of adsorption components are saturated, and the anti-toxicity filter element is close to failure.
Preferably, the second filter screen is arranged in the air inlet, and the first filter screen is arranged in the interface.
The effects achieved by the components are as follows: leakage of filter material in the housing is avoided by the first filter screen and the second filter screen.
Preferably, a baffle is assembled at the bottom end of the sampling tube for sealing, and the side wall of the sampling tube is uniformly provided with collecting holes.
The effects achieved by the components are as follows: the baffle seals to prevent the filter material from blocking the sampling tube when the sampling tube is inserted into the shell, and the collecting holes on the side wall of the sampling tube are used for collecting air in the filter material in the shell.
Preferably, the alarm unit comprises a cavity A and a cavity B, and the cavity A and the cavity B are communicated with each other to form a complete cavity.
The effects achieved by the components are as follows: through cavity A and cavity B that flexible material was made, can pinch cavity A then it is reset in self elasticity effect and is inhaled the air in the shell into cavity B in and then the color change reaction judges whether adsorb saturation.
Preferably, a connecting port is connected to the opening of the cavity B, and the cavity B is assembled with the aid of the connecting port and the sampling tube.
The effects achieved by the components are as follows: the cavity B can be assembled by means of the connecting port and the sampling pipe, so that the color-changing reaction reagent can be detached and replaced conveniently.
Compared with the prior art, the utility model has the advantages and positive effects that,
According to the utility model, the sampling tube inserted into the shell can guide out air in the filter material in the shell into the alarm unit, the alarm unit is a gas sensor, and the gas sensor is used for detecting harmful gas to send out audible and visual alarm for active detection, so that the situation that the residual time leaves the environment before failure is pre-detected, and the harm of the harmful gas is prevented.
Drawings
Fig. 1 is a schematic perspective view of an anti-virus filter with penetration indication function according to the present utility model;
FIG. 2 is a schematic view showing another angle structure of the gas-barrier filter with penetration indication function according to the present utility model;
FIG. 3 is a schematic cross-sectional view of an anti-virus filter with penetration indicating function according to the present utility model;
FIG. 4 is a schematic view of another embodiment of a sampling tube of the gas barrier filter with penetration indicating function according to the present utility model;
Fig. 5 is a schematic diagram showing another embodiment of an alarm unit in a gas protection filter with penetration indication function according to the present utility model.
Legend description: 1. a housing; 2. a cover; 3. an air inlet; 4. an interface; 5. a sampling tube; 6. an alarm unit; 61. a cavity A; 62. a cavity B; 63. a connection port; 7. a first filter screen; 8. a collection hole; 9. a baffle.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
In the embodiment 1, as shown in fig. 1-3, an anti-poison filtering part with penetration indication function is shown, the anti-poison filtering part comprises a shell 1, filtering materials for filtering air are filled in the shell 1, a shell cover 2 is welded at a port of the shell 1, an air inlet 3 for air to pass through and enter the shell 1 is formed in the shell cover 2, one side of the shell 1 is communicated with an interface 4, the air filtered by the interface 4 is discharged out of the shell 1, a sampling port is formed in the side wall of the shell 1, a sealing plug is arranged on the sampling port, the sampling pipe 5 is inserted into the shell 1 along the sampling port, one end of the sampling pipe 5 outside the shell 1 is communicated with an alarm unit 6, the alarm unit 6 is used for detecting and warning the filtering air in the filtering materials in the shell 1, the alarm unit 6 and the sampling pipe 5 can be pulled out of the shell 1 as an independent unit, so as to achieve the effect of repeated use, when the filtering materials filled in the shell 1 comprise but not limited by synthetic fiber filter cotton, glass fiber filter cotton and active carbon filter cotton, or a toxic substance can be further absorbed into the air inlet 1 by the air sensor 1 by adopting the technology of the air inlet 6, the chemical sensor 1 can be absorbed into the filtering material, the filtering material can be absorbed into the air inlet 1 by the air sensor unit, the effect can be absorbed into the filtering material by the air 1 by the air sensor unit 1, the gas sensor is used for detecting harmful gas to emit audible and visual alarm for active detection (or the alarm unit 6 is a transparent container filled with an indicating reagent, and can react with the conventional toxic gas to change color, so that the indicator is not described in detail herein as a conventional technical means, and the toxic substance can be replaced according to the operation place), the sampling tube 5 is inserted into the inner port of the shell 1 to be close to the interface 4, the sampling tube 5 is arranged at a position close to the interface 4, when the upper alarm unit 6 in the sampling tube 5 alarms, the upper alarm unit 6 indicates that most of adsorption components are saturated, the anti-toxic filtering part is close to failure, a second filter screen is arranged in the air inlet 3, a first filter screen 7 is arranged in the interface 4, and filtering materials in the shell 1 are prevented from leaking through the first filter screen 7 and the second filter screen.
Example 2, as shown in fig. 4, differs from example 1 in that: the sampling tube 5, the bottom assembly separation blade 9 of sampling tube 5 seals, and collection hole 8 has evenly been seted up to the lateral wall of sampling tube 5, seals when avoiding sampling tube 5 to insert shell 1 with separation blade 9 and blocks up sampling tube 5 by filter material, utilizes the collection hole 8 at sampling tube 5 lateral wall to gather the air in the filter material in shell 1.
Example 3, as shown in fig. 5, differs from example 1 in that: the alarm unit 6, the alarm unit 6 includes cavity A61 and cavity B62, communicate between cavity A61 and the cavity B62 and form a complete cavity, through cavity A61 and cavity B62 that flexible material made, can pinch cavity A61 then it is reset under self elasticity effect and inhale the air in the shell 1 in cavity B62 and then the reaction of discolouring judges whether adsorb saturation.
Example 4, as shown in fig. 5, may be added to example 1, or to example 2, or to example 3: the opening of the cavity B62 is connected with a connecting port 634, the cavity B62 is assembled with the sampling tube 5 by means of the connecting port 634, and the cavity B62 is assembled with the sampling tube 5 by means of the connecting port 634 so as to be detachable and convenient for replacing the color-changing reaction reagent.
Example 5 differs from examples 1, 2, 3 and 4 in that: the alarm unit 6, wherein the alarm unit 6 can adopt active sampling to extract the air in the shell 1 to carry out color change reaction warning, and can send out alarm sound after the toxic gas concentration reaches the limit value by utilizing the electronic toxic gas detection device, or can adopt an external detection device to wear on the human body and be connected with the sampling tube through a pipeline, and the like, and the alarm unit is not limited.
When in use, firstly, the filter material (including but not limited to synthetic fiber filter cotton, glass fiber filter cotton and active carbon filter cotton) is filled in the shell 1, and chemical agents capable of reacting with poison are immersed in the filter material by adopting a molecular level infiltration coating technology to achieve high anti-poison effect, when in use, the air is sucked into the shell 1 by the air inlet 3 through the interface 4, the air in the sucked air is adsorbed or reacted by the filter material to achieve the effect of filtering the poison in the air, the sampling tube 5 inserted into the shell 1 can guide the air in the filter material in the shell 1 into the alarm unit 6, the alarm unit 6 is a transparent container for internally filling the indication reagent (the indicator capable of reacting with the conventional poison gas to change color is taken as a conventional technical means, so that the description is omitted here, the indicator can be replaced according to the toxic substances existing in the operation place), the sampling tube 5 is arranged at a position close to the interface 4, when the upper alarm unit 6 in the sampling tube 5 alarms, the upper alarm unit 6 indicates that most of adsorption components are saturated, the anti-toxicity filtering piece is close to failure, the filtering material in the shell 1 is prevented from leaking through the first filtering net 7 and the second filtering net, the blocking piece 9 is used for sealing to prevent the filtering material from blocking the sampling tube 5 when the sampling tube 5 is inserted into the shell 1, the collecting hole 8 on the side wall of the sampling tube 5 is used for collecting air in the filtering material in the shell 1, the cavity A61 and the cavity B62 are pinched, then the cavity A61 is reset under the self elastic action to suck the air in the shell 1 into the cavity B62, and then the color change reaction is used for judging whether the adsorption is saturated or not, the cavity B62 is assembled with the sampling tube 5 by the connecting port 634 so as to be detachable and convenient for replacing the color-changing reaction reagent.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (6)
1. The utility model provides an antidote filter with penetrating instruction function, includes shell (1), its characterized in that: the filter material of filtered air has been packed to inside shell (1), the port welding of shell (1) has cap (2), offer air supply on cap (2) through air inlet (3) that get into shell (1), one side intercommunication of shell (1) has interface (4), interface (4) supply air after the filtration to discharge shell (1), insert on the lateral wall of shell (1) and be equipped with sampling pipe (5), the one end intercommunication that sampling pipe (5) are located the shell (1) outside has alarm unit (6), alarm unit (6) are arranged in deriving filter material in shell (1) to sampling pipe (5) and detect and warn.
2. The gas protection filter with penetration indicating function according to claim 1, wherein: the sampling tube (5) is inserted into the inner port of the shell (1) and is close to the interface (4).
3. The gas protection filter with penetration indicating function according to claim 2, wherein: the inside of air inlet (3) is equipped with second filter screen, the inside of interface (4) is equipped with first filter screen (7).
4. The gas protection filter with penetration indicating function according to claim 3, wherein: the bottom of sampling pipe (5) is equipped with separation blade (9) and seals, collection hole (8) have evenly been seted up to the lateral wall of sampling pipe (5).
5. The gas protection filter with penetration indicating function according to claim 4, wherein: the alarm unit (6) comprises a cavity A (61) and a cavity B (62), and the cavity A (61) and the cavity B (62) are communicated to form a complete cavity.
6. The gas protection filter with penetration indicating function according to claim 5, wherein: the opening of the cavity B (62) is connected with a connecting port (63), and the cavity B (62) is assembled with the sampling tube (5) by means of the connecting port (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322369127.8U CN221015250U (en) | 2023-09-01 | 2023-09-01 | Anti-poison filter element with penetration indication function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322369127.8U CN221015250U (en) | 2023-09-01 | 2023-09-01 | Anti-poison filter element with penetration indication function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221015250U true CN221015250U (en) | 2024-05-28 |
Family
ID=91176687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322369127.8U Active CN221015250U (en) | 2023-09-01 | 2023-09-01 | Anti-poison filter element with penetration indication function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221015250U (en) |
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2023
- 2023-09-01 CN CN202322369127.8U patent/CN221015250U/en active Active
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