CN203898977U - Integral waterproof power air supply system with low-air-volume alarming function - Google Patents
Integral waterproof power air supply system with low-air-volume alarming function Download PDFInfo
- Publication number
- CN203898977U CN203898977U CN201420178932.0U CN201420178932U CN203898977U CN 203898977 U CN203898977 U CN 203898977U CN 201420178932 U CN201420178932 U CN 201420178932U CN 203898977 U CN203898977 U CN 203898977U
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- main body
- air
- integrated circuit
- control panel
- drain pan
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Abstract
The utility model discloses an integral waterproof power air supply system with a low-air-volume alarming function. The integral waterproof power air supply system comprises a main body, a square filter and a waistband with a control module, wherein the main body consists of a top shell, a middle shell and a bottom shell, waterproof rubber mats are respectively arranged between the top shell and the middle shell as well as between the middle shell and the bottom shell, and a fan and a battery are fixed inside the bottom shell; the control module consists of a control panel and an integrated circuit board, the control panel is provided with a waterproof switch, an air-volume adjusting button and a low-air-volume buzzer alarm, which are respectively connected with the integrated circuit board. The power air supply system has a function for preventing the spraying of the rainy water, so that the influence of the severe weather can be overcome, the application range is enlarged, the operating capacity of operation personnel in the severe environment can be improved, and the safety coefficient in application can be improved.
Description
Technical field
The utility model relates to a kind of power supply air system, be exactly a kind ofly have that fan delivery regulates, battery electric quantity shows, low electric weight and low air quantity warning function, by flexible pipe and various breathing protecting mask, head-shield, the matching used air cleaning power of positive-pressure protective clothes supply air system.
Background technology
Power supply air system can provide pure air and maintain the inner certain malleation value of protective articles to protective respirators such as breathing mask, face shields.Power supply air system is widely used in the respiratory protection of staff under contaminated air environment, and it,, by sending into user's mask, face shield or the helmet etc. after contaminated air is purified, provides high-grade security protection to user.Common described dusty gas comprises particle aerosol, bioaerosol, toxic gas or steam etc., and these all can carry out filtering purification by outfit and the air cleaner on power supply air system air inlet.Typical power supply air system generally include a blower fan that certain pressure can be provided, to blower fan provide power battery or power supply, be positioned at one or more filters of supply air system air inlet and control components and parts and form.Blower fan and filter can be directly installed on breathing protecting mask, or are independently arranged on a shell, by flexible pipe, are connected with mask.
Power supply air system can be to active transportation pure air in the protective articles such as mask, head-shield, thereby make wearer without the respiratory resistance that overcomes filter etc. and bring, and can provide certain malleation to inside such as masks, and effectively avoid general mask problem, the problem includes: dead space problem, thereby significantly improved security and the comfortableness of wearing.The researchs such as Marc show, under equal conditions, power powered air-purifying formula mask protection factor is than the high 10-50 of self-absorbing filtering type mask left and right doubly.The investigation such as Andrea show that 85% wearer thinks that work capacity when wearing power blows full visual field mask is stronger than wearing general mask.
United States Patent (USP) 6435184 has been described a kind of power air-supply breathing protecting mask, and main feature is that supply air system and mask are combined closely, and respectively has a cup-shaped cavity in mask side, and built-in two rechargeable batteries, have longer continuous working period.
Patent W0 2009/067583 has introduced a kind of modular power supply air system and breathing protecting mask, high-performance centrifugal blower is closely connected with patent filter, and battery is installed separately, with helix, is connected with blower fan, a filter can be installed, also a plurality of filters can be installed.The main feature of this utility model is integral sealing waterproof, and filter mounting interface can automatic airtight, therefore can in use change.
In a word, although above-mentioned domestic and international patent all possesses the basic function of power supply air system, all lack the Real-Time Monitoring of the air quantity state parameter of power supply air system itself and abnormal alarm function, cause the duty of power supply air system accurately to be grasped.Lack the small and exquisite waterproof sealing structure of structure simultaneously.
Utility model content
Technical problem to be solved in the utility model is, provides a kind of and has fan delivery and regulate and low air quantity warning function, and waterproof spray, by flexible pipe and various breathing protecting mask, head-shield, the matching used air cleaning power of positive-pressure protective clothes supply air system.
The utility model is a kind of has the integral waterproofing power supply air system that low air quantity is reported to the police, and by following technical proposals, is achieved, and described supply air system comprises main body, square filter and with the waistband of control module,
Described main body is comprised of top shell, mesochite and drain pan, between top shell and mesochite, mesochite and drain pan, accompanies waterproof pad, drain pan interior fixedly blower fan and battery, and described drain pan rear surface arranges charging inlet, and the line mouth between blower fan and battery and control module is set; Described top shell front surface is flexibly connected with housing, and main body dorsal part is waistband fixedly;
Described control module is comprised of control panel and surface-mounted integrated circuit, battery is connected with blower fan by the circuit of digital and Adjustable is set, impeller is connected with surface-mounted integrated circuit by expansion air quantity observation circuit, and described control panel arranges water proof switch, air volume adjusting knob, low air quantity buzzer siren and is connected with surface-mounted integrated circuit respectively.
Described control panel is integrated on belt buckle, and the control line between control panel and main body is embedded in waistband.
Described drain pan top is air outlet fixedly, and air outlet place arranges rotary blade, and Hall element is installed on impeller, and Hall element is connected with surface-mounted integrated circuit.
The utility model power supply air system has the function of rainwater-proof spray, overcomes boisterous impact, has expanded its use occasion, has increased the work capacity of operating personnel under adverse circumstances, has improved the safety coefficient of using.
The utility model power supply air system has low air quantity warning function can make wearer break down and cause blocking at remaining parts such as pipeline, masks, when pure air cannot regular supply, obtains alarm prompting, fixes a breakdown in time out of danger.
The design of the utility model compact structure and whole waterproofing design make the utility model structure small and exquisite, lightweight, will effectively reduce wearer's physiological load.Integral waterproofing can make system lower spray sterilization in working order, especially convenient for operation under biological pollution.
Accompanying drawing explanation
fig. 1 is the utility model overall structure schematic diagram;
Fig. 2 is the utility model agent structure exploded view;
Fig. 3 is the utility model main body schematic diagram;
Fig. 4 is the utility model control module schematic diagram;
Fig. 5 is the utility model digital and Adjustable circuit diagram;
Fig. 6 is the utility model air quantity observation circuit figure.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, the utility model power supply air system is comprised of main body 1, waistband 2 and control panel 3, and main body dorsal part is fixed on waistband, and control panel is integrated on belt buckle, and the control line between control panel and main body is embedded in waistband.
As shown in Figure 2, main body 1 comprises top shell 4, knot that can be undone by a pull 5, square filter 6, waterproof pad 7, mesochite 8, Airtight gasket 9, blower fan 10, battery 11, drain pan 12, main body cover is comprised of top shell, mesochite and drain pan, drain pan top is air outlet fixedly, air outlet place arranges rotary blade 13, drain pan dorsal part is waistband 2 fixedly, and drain pan inner side is fixedly installed the set casing of blower fan 10 and battery 11, and described drain pan is provided with battery 11 charge port.
As shown in Figure 3, the top shell 4 of main body 1 is controlled and can freely be opened by knot that can be undone by a pull 5, is convenient for changing filter 6, and filter is special square filter, and filter area is large, has again less air drag when meeting high efficiency filter.
Described control module is comprised of control panel and surface-mounted integrated circuit, battery is connected with blower fan by the circuit of digital and Adjustable is set, impeller is connected with surface-mounted integrated circuit by expansion air quantity observation circuit, and described control panel arranges water proof switch, air volume adjusting knob, low air quantity buzzer siren and connects respectively at surface-mounted integrated circuit.
Air quantity regulates: by controlling the supply voltage of blower fan, realize the control of fan delivery.Blower fan is by the voltage stabilizing output power supply of digital and Adjustable, and the output voltage of digital and Adjustable regulates the resistor on pin to determine by being connected in it.Integrated circuit response user's keyboard operation, change can be edited the resistance of resistor, thereby regulates the Voltage-output of digital and Adjustable.
Low air quantity is reported to the police: at the utility model power supply air system air outlet, rotary blade is installed, Hall element is installed on impeller, by recording the rotating speed judgement air force of impeller, rotating speed thinks that air quantity is too low, integrated circuit driving LED and buzzer warning during lower than setting value.
Wherein:
In Fig. 2, blower fan 10 selects to have the 12V direct current vortex fan of high-head and Wind Volume, but is not limited to this, and other blower fans that meet size and performance requirement all can be used as replacement.
In Fig. 2, top shell 4, mesochite 8 and drain pan 12 materials are selected ABS engineering plastics, and when having higher-strength, weight is lighter.
Control panel 3 in Fig. 1 is provided with the buttons such as system switching, air quantity adjusting, low air quantity alarm lamp.
Waterproof pad 7 in Fig. 2 is for preventing that the liquid of spray from entering power supply air system inside.
Airtight gasket 9 in Fig. 2 is for preventing that the air purifying without air cleaner 6 from entering blower fan.
Battery 11 in Fig. 2 is selected polymer high-performance lithium battery that can recharge, also can select the similar battery combination of other performances.
Fixedly blower fan 10 and battery 11 on drain pan 12 in Fig. 2, can install fixedly waistband 2 simultaneously.
On rotary blade 13 in Fig. 2, Hall element is installed, is used for monitoring wheel speed, thereby reach the object that the low air quantity of monitoring is reported to the police, when rotating speed is during lower than setting value, integrated circuit drives buzzer siren to report to the police.
The utility model course of work is as follows: when power supply air system is moved, battery 11 starts blower fan 10 under the control of control panel 3, and blower fan 10 sucks surrounding air in power supply air system by filter 6.Air harmful substance (particle, gas or steam) wherein when the filter 6 will be blocked.What from power supply air system air outlet, discharge is the pure air with certain flow and pressure, can to other protective gears, carry by passages such as flexible pipes.
Although for illustrative purposes, provided embodiment of the present utility model, those skilled in the art all can, not departing under the attached claims scope of the utility model, carry out multiple Revision and supplement to it.Power supply air system of the present utility model is not limited to for medical malleation head-shield, and other all can support the use the utility model such as breathing protecting mask, the helmet, head-shield and protective garment.
Claims (3)
1. have the integral waterproofing power supply air system that low air quantity is reported to the police, it is characterized in that, described supply air system comprises main body, square filter and with the waistband of control module,
Described main body is comprised of top shell, mesochite and drain pan, between top shell and mesochite, mesochite and drain pan, accompanies waterproof pad, drain pan interior fixedly blower fan and battery, and described drain pan rear surface arranges charging inlet, and the line mouth between blower fan and battery and control module is set; Described top shell front surface is flexibly connected with housing, and main body dorsal part is waistband fixedly;
Described control module is comprised of control panel and surface-mounted integrated circuit, battery is connected with blower fan by the circuit of digital and Adjustable is set, impeller is connected with surface-mounted integrated circuit by expansion air quantity observation circuit, and described control panel arranges water proof switch, air volume adjusting knob, low air quantity buzzer siren and is connected with surface-mounted integrated circuit respectively.
2. the integral waterproofing power supply air system with low air quantity warning according to claim 1, is characterized in that, described control panel is integrated on belt buckle, and the control line between control panel and main body is embedded in waistband.
3. according to claim 1 have an integral waterproofing power supply air system that low air quantity is reported to the police, it is characterized in that, described drain pan top is air outlet fixedly, and air outlet place arranges rotary blade, Hall element is installed on impeller, and Hall element is connected with surface-mounted integrated circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178932.0U CN203898977U (en) | 2014-04-15 | 2014-04-15 | Integral waterproof power air supply system with low-air-volume alarming function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178932.0U CN203898977U (en) | 2014-04-15 | 2014-04-15 | Integral waterproof power air supply system with low-air-volume alarming function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203898977U true CN203898977U (en) | 2014-10-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420178932.0U Expired - Fee Related CN203898977U (en) | 2014-04-15 | 2014-04-15 | Integral waterproof power air supply system with low-air-volume alarming function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203898977U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106422096A (en) * | 2015-08-06 | 2017-02-22 | 迈克尔·托马斯·安东尼 | Personal air filtration system |
| CN111184955A (en) * | 2020-03-03 | 2020-05-22 | 河南驼人贝斯特医疗器械有限公司 | Novel air supply device |
| CN111529980A (en) * | 2020-04-28 | 2020-08-14 | 上海医盾医疗科技有限公司 | Control system of disposable air filtering respirator |
-
2014
- 2014-04-15 CN CN201420178932.0U patent/CN203898977U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106422096A (en) * | 2015-08-06 | 2017-02-22 | 迈克尔·托马斯·安东尼 | Personal air filtration system |
| CN111184955A (en) * | 2020-03-03 | 2020-05-22 | 河南驼人贝斯特医疗器械有限公司 | Novel air supply device |
| CN111529980A (en) * | 2020-04-28 | 2020-08-14 | 上海医盾医疗科技有限公司 | Control system of disposable air filtering respirator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 |