CN103157206B - Filter device and breathing system with filter device - Google Patents
Filter device and breathing system with filter device Download PDFInfo
- Publication number
- CN103157206B CN103157206B CN201210325672.0A CN201210325672A CN103157206B CN 103157206 B CN103157206 B CN 103157206B CN 201210325672 A CN201210325672 A CN 201210325672A CN 103157206 B CN103157206 B CN 103157206B
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- control circuit
- gas
- filter
- signal
- telecommunication
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- 230000029058 respiratory gaseous exchange Effects 0.000 title claims abstract description 18
- 239000007789 gas Substances 0.000 claims description 76
- 238000001914 filtration Methods 0.000 claims description 52
- 210000002345 respiratory system Anatomy 0.000 claims description 20
- 230000037361 pathway Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000000505 pernicious effect Effects 0.000 description 10
- 239000000126 substance Substances 0.000 description 4
- 208000037805 labour Diseases 0.000 description 3
- 231100000614 poison Toxicity 0.000 description 3
- 230000007096 poisonous effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a filter device. The filter device comprises a gas detector, a control circuit, a filter body, a plurality of valve doors and a plurality of pressure sensors, wherein the control circuit is connected with the gas detector, the filter body is provided with a plurality of cavities which are independent to one another, and different filter mediums are filled inside the cavities, close-set air inlet small holes are formed on the outer shell of each cavity, the plurality of valve doors is respectively arranged on air outlet holes of each cavity correspondingly, the valve doors are respectively connected with the control circuit, an airflow common channel is further arranged inside the filter body, and the airflow common channel is communicated with the corresponding cavity under the opened state of each valve door, and an air outlet hole is further formed on the filter body, and the air outlet hole is communicated with the airflow common channel, the plurality of pressure sensors is respectively arranged inside all the cavities correspondingly, and the pressure sensors are respectively arranged on the lower portions of the valve doors correspondingly. The pressure sensors are respectively and further connected with the control circuit. Correspondingly, the invention further discloses a breathing system which is provided with the filter device.
Description
Technical field
The present invention relates to a kind of filter and respiratory system, particularly relate to a kind of gas-filtering device and the respiratory system being provided with this gas-filtering device.
Background technology
In the working environment of anoxic, dust, toxic smoke or malicious mist, normal use filtering tank or the filtering noxious gas of filter cartridge, to defend the polluters such as pernicious gas, dust, smog to enter human body, jeopardize health and even threaten to life security.
Usual this filtering tank or filter cartridge mainly utilize the poisonous and harmful substances in filtering material filtering air, contaminated air is changed into clean air to breathe for personnel, with satisfied rescue or normal Production requirement, the gas after filtering is breathed for staff by sending into breathing mask.Breathing mask be operating personnel for a long time in anoxic, the environment being full of poisonous and harmful substance or danger and narrow limited passage (such as: in oil tank, the place such as underground piping, coal gas or natural gas line) safeguard for a long time, check, clean, the work such as maintenance time, breathe a kind of device used.
But, above-mentioned this single filtering tank or filter cartridge can be subject to environmental limit in use, can not the harmful substance of filtering when there is filtering material in environment, or oxygen content is lower than 18%, or all can not use time poisonous and harmful substance concentration higher (>1%), and the filtering tank of this routine or filtering bodies will be arranged on face shield usually, virtually add the constriction of head, bring inconvenience to rescue or production work.
Summary of the invention
An object of the present invention is to provide a kind of filter, and this filter can start corresponding filter medium and filter pernicious gas according to the gas type detected, thus improves the ease of use of filter.
Another object of the present invention is to provide a kind of respiratory system, and this respiratory system is provided with above-mentioned filter, after the respiratory system with this filter can filter polytype pernicious gas, is supplied to the gas that user can breathe.
According to foregoing invention object, the present invention proposes a kind of filter, it comprises:
One gas detecting instrument, the gaseous species in its testing environment, and export after the gas signal detected is converted into the signal of telecommunication;
One control circuit, it is connected with described gas detecting instrument;
One filtering bodies, it has several chambers independent of each other, is filled with different filter mediums in described each chamber, in order to filter different gas, the shell of described each chamber is equipped with densely covered small air inlet hole; Several valves, the respectively corresponding gas outlet being located at each chamber, described each valve is connected with control circuit respectively; Also there is in described filtering bodies an air-flow shared pathway, its under the state of each valve open with corresponding chamber conducting, described filtering bodies also has a venthole, itself and the conducting of described air-flow shared pathway;
Several pressure sensors, its respectively correspondence be located in each chamber, and correspondence is located at the below of each valve respectively, described each pressure sensor is also connected with control circuit respectively, described each pressure sensor detects the gas pressure signal at each valve place, and transfers to control circuit after this gas pressure signal is converted into the signal of telecommunication;
Wherein, the signal of telecommunication of described control circuit receiver gases detector transmission, and control corresponding valve open according to this signal of telecommunication; Described control circuit receives the signal of telecommunication of pressure sensor transmission, and controls corresponding valve closing according to this signal of telecommunication.
The filter medium filtering gas with various is filled with in the different chamber of above-mentioned filter, operationally, gas in environment enters into filtering bodies by small air inlet hole, gas detecting instrument detects the type of pernicious gas simultaneously, and the gas signal detected is converted into electric signal transmission to control circuit, the valve open be filled with on the chamber of corresponding filter medium is controlled after this signal of telecommunication received by control circuit, gas after filtering just enters in air-flow shared pathway, and exports through venthole.The pressure sensor be simultaneously arranged on below valve can detect gas pressure signal in real time, and transferring to control circuit after this gas pressure signal is converted into the signal of telecommunication, the signal of telecommunication that the signal of telecommunication received is corresponding with the gas pressure critical value preset compares by control circuit.When filter medium employs a period of time and can not meet filtering requirement again, user can labor for breath, once the gas pressure value that pressure sensor detects is less than gas pressure critical value, control circuit just can control corresponding valve closing.
Further, described filtering bodies is arc body, and the two ends of described arc body are connected to waistband, the end of described waistband be respectively equipped with a connection male end with one can with the described connection female end being connected male end and being connected.
In the preferred version of the technical program, filtering bodies being set to arc body and arranging waistband is waist in order to this filter can be enable to be worn on user of service, instead of be directly contained on breathing mask as existing filtering tank, thus greatly alleviate the weight of breathing mask, improve its comfort.
Based on another object of the present invention, present invention also offers a kind of respiratory system, this respiratory system comprises: above-mentioned filter; And a breathing mask, it is connected with the gas outlet on described filter by gas conduit.
Further, described respiratory system also comprises: a gas type display instrument, and it is located in breathing mask, and is connected with described control circuit, and the control signal of described gas type display instrument reception control circuit is to show gas type.
Further, described respiratory system comprises: a filtering bodies uses display instrument remaining time, it is located in breathing mask, and is connected with described control circuit, and described filtering bodies uses the control signal of display instrument reception control circuit remaining time to use remaining time to show filtering bodies.
Further, described respiratory system also comprises: a warning device, and it is connected with described control circuit, when filtering bodies uses remaining time lower than certain value, reports to the police after the control signal of warning device reception control circuit, reminds user of service to withdraw scene.
Filter of the present invention can start corresponding filter medium and filter pernicious gas according to the gas type detected, achieve a filter to the filtration of multiple pernicious gas, thus substantially increase the ease of use of filter; In addition, preferred version of the present invention, by arranging waistband, makes filter to be arranged on breathing mask, thus alleviates the weight of breathing mask.
Respiratory system of the present invention substantially increases ease of use by arranging above-mentioned filter.Figure of description
Fig. 1 is the stereogram of filter of the present invention under a kind of embodiment.
Fig. 2 is the top view of the filter shown in Fig. 1.
Fig. 3 shows the internal structure of the filter shown in Fig. 1.
Fig. 4 is the structured flowchart of respiratory system of the present invention under a kind of embodiment.
Detailed description of the invention
Fig. 1, Fig. 2 and Fig. 3 show the filter in the present embodiment.As shown in Figure 1, Figure 2 and Figure 3, in the present embodiment, filter comprises: gas detecting instrument 8, the pernicious gas kind in its testing environment, and exports control circuit 7 to after the gas signal detected is converted into the signal of telecommunication; The filtering bodies of arc, it has five chambers 3 independent of each other, different filter mediums is filled with to filter different gas in each chamber 3, the front surface of filtering bodies has densely covered small air inlet hole 9, and each chamber 3 is controlled to open and closedown by a corresponding valve 4, and these valves 4 are all connected with control circuit 7; Also there is in filtering bodies an air-flow shared pathway 1, under the state that valve 4 is opened, air-flow shared pathway 1 and corresponding chamber 3 conducting; Filtering bodies also has venthole 6; Five pressure sensors 2 respectively correspondence are located in each chamber 3, and correspondence is located at the below of each valve 4 respectively, these pressure sensors 2 are also connected with control circuit 7 respectively, pressure sensor 2 detects the gas pressure signal at each valve 4 place, and transfers to control circuit 7 after this gas pressure signal is converted into the signal of telecommunication; The two ends of filtering bodies are connected to waistband 5, and the end of waistband 5 is provided with and connects male end and be connected female end, thus by two belt buckles together.
Please continue to refer to Fig. 1-Fig. 3, the filter medium filtering gas with various is filled with in the different chamber 3 of above-mentioned filter, operationally, gas in environment enters into filtering bodies by small air inlet hole 9, gas detecting instrument 8 detects the type of pernicious gas simultaneously, and the gas signal detected is converted into electric signal transmission to control circuit 7, control the valve 4 be filled with on the chamber of corresponding filter medium after this signal of telecommunication received by control circuit 7 to open, gas after filtering just enters in air-flow shared pathway 1, and exports through venthole 6.The pressure sensor 2 be simultaneously arranged on below valve 4 can detect gas pressure signal in real time, and transferring to control circuit 7 after this gas pressure signal is converted into the signal of telecommunication, the signal of telecommunication that the signal of telecommunication received is corresponding with the gas pressure critical value preset compares by control circuit 7.When filter medium employs a period of time and can not meet filtering requirement again, user can labor for breath, once the gas pressure value that pressure sensor 2 detects is less than gas pressure critical value, control circuit 7 just can control corresponding valve 4 and cut out.
Fig. 4 shows the structure of respiratory system of the present invention under a kind of embodiment.As shown in Figure 4, this respiratory system comprises: filter and breathing mask, and gas type display instrument, filtering bodies use display instrument remaining time and the alarm be located on breathing mask, breathing mask is connected with the gas outlet on filter by corrugated flexible hose.Wherein gas type display instrument is connected with control circuit, and the control signal of reception control circuit is to show gas type; Filtering bodies use display instrument remaining time is connected with control circuit, and the control signal of reception control circuit uses remaining time with display body; Warning device is connected with control circuit, when filtering bodies uses remaining time lower than certain value, reports to the police after the control signal of warning device reception control circuit, reminds user of service to withdraw scene.
Please continue to refer to Fig. 4, this respiratory system in use, filter is worn on the loins of user of service by waistband, gas enters filtering bodies by the small air inlet hole in filtering bodies, be arranged on the gas detecting instrument in filtering bodies, can the type of pernicious gas in testing environment, this gas signal is changed into the signal of telecommunication, be input to control circuit, control circuit passes through internal circuit, start the valve be arranged on chamber, and then open corresponding valve, air-flow enters into air-flow shared pathway by this valve, corrugated flexible hose 10 is entered from the venthole of filtering bodies, and then enter breathing mask.After filter medium uses a period of time, when user labors for breath, once pressure sensor detects be less than a threshold value by the gas pressure value at this valve place, control circuit can cut out by by-pass valve control; Meanwhile, be arranged on the gas type display instrument on face shield, the gas type detected can be shown through gas detecting instrument, so that rescue personnel understands pernicious gas type in residing environment in time; Be arranged on filtering bodies on face shield and use display instrument remaining time, filtering bodies can be demonstrated and can also continue how long to use, when remaining time lower than certain value time, the alarm be arranged on face shield starts to report to the police, and withdraws scene fast to remind rescue personnel.
That enumerates it should be noted that above is only specific embodiments of the invention, obviously the invention is not restricted to above embodiment, has many similar changes thereupon.If all distortion that those skilled in the art directly derives from content disclosed by the invention or associates, protection scope of the present invention all should be belonged to.
Claims (6)
1. a filter, is characterized in that, comprising:
One gas detecting instrument, the gaseous species in its testing environment, and export after the gas signal detected is converted into the signal of telecommunication;
One control circuit, it is connected with described gas detecting instrument;
One filtering bodies, it has several chambers independent of each other, is filled with different filter mediums in described each chamber, in order to filter different gas, the shell of described each chamber is equipped with densely covered small air inlet hole; Several valves, the respectively corresponding gas outlet being located at each chamber, described each valve is connected with control circuit respectively; Also there is in described filtering bodies an air-flow shared pathway, its under the state of each valve open with corresponding chamber conducting, described filtering bodies also has a venthole, itself and the conducting of described air-flow shared pathway;
Several pressure sensors, its respectively correspondence be located in each chamber, and correspondence is located at the below of each valve respectively, described each pressure sensor is also connected with control circuit respectively, described each pressure sensor detects the gas pressure signal at each valve place, and transfers to control circuit after this gas pressure signal is converted into the signal of telecommunication;
Wherein, the signal of telecommunication of described control circuit receiver gases detector transmission, and control corresponding valve open according to this signal of telecommunication; Described control circuit receives the signal of telecommunication of pressure sensor transmission, and controls corresponding valve closing according to this signal of telecommunication.
2. filter as claimed in claim 1, it is characterized in that, described filtering bodies is arc body, and the two ends of described arc body are connected to waistband, the end of described waistband be respectively equipped with a connection male end with one can with the described connection female end being connected male end and being connected.
3. be provided with a respiratory system for filter as claimed in claim 1 or 2, it is characterized in that, comprising:
Described filter;
One breathing mask, it is connected with the gas outlet on described filter by gas conduit.
4. respiratory system as claimed in claim 3, it is characterized in that, also comprise: a gas type display instrument, it is located in breathing mask, and is connected with described control circuit, and the control signal of described gas type display instrument reception control circuit is to show gas type.
5. respiratory system as claimed in claim 4, it is characterized in that, also comprise: a filtering bodies uses display instrument remaining time, it is located in breathing mask, and be connected with described control circuit, described filtering bodies uses the control signal of display instrument reception control circuit remaining time to use remaining time with display body.
6. respiratory system as claimed in claim 5, it is characterized in that, also comprise: a warning device, it is connected with described control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210325672.0A CN103157206B (en) | 2012-09-05 | 2012-09-05 | Filter device and breathing system with filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210325672.0A CN103157206B (en) | 2012-09-05 | 2012-09-05 | Filter device and breathing system with filter device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103157206A CN103157206A (en) | 2013-06-19 |
| CN103157206B true CN103157206B (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210325672.0A Active CN103157206B (en) | 2012-09-05 | 2012-09-05 | Filter device and breathing system with filter device |
Country Status (1)
| Country | Link |
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| CN (1) | CN103157206B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480097B (en) * | 2013-09-29 | 2015-08-19 | 鞍山钢铁集团公司劳动卫生研究所 | A kind of dual-purpose filter cartridge of dust proof and gas defence and using method thereof |
| CN106999688A (en) * | 2014-11-14 | 2017-08-01 | 诺基亚技术有限公司 | Mask |
| CN105457177A (en) * | 2016-01-16 | 2016-04-06 | 郑辉 | Intelligent mask with built-in detection device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103157206A (en) | 2013-06-19 |
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Address after: 201206 Shanghai city Pudong New Area jinzang Road No. 258 building 4 room 406 Patentee after: SHANGHAI BAOYA SAFETY EQUIPMENT CO.,LTD. Address before: 201206 Shanghai city Pudong New Area jinzang Road No. 258 building 4 room 406 Patentee before: SHANGHAI BAOYA SAFETY EQUIPMENT Co.,Ltd. |