CN1055120A - The combined type anti-dust respirator of supplying gas - Google Patents
The combined type anti-dust respirator of supplying gas Download PDFInfo
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- CN1055120A CN1055120A CN 91102612 CN91102612A CN1055120A CN 1055120 A CN1055120 A CN 1055120A CN 91102612 CN91102612 CN 91102612 CN 91102612 A CN91102612 A CN 91102612A CN 1055120 A CN1055120 A CN 1055120A
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Abstract
The combined type anti-dust respirator of supplying gas belongs to the breathing equipment technical field.The present invention connects the breathing reservoir bag that is built in vest formula work clothes by transparent plastic flap valve mouth mask, by explosion-proof battery and resistance dirt filter in the combiner of one, the air suction that micro-motor-driven fan will have a dust enter resistance dirt filter through plug-in type filter frame and filter membrane dust by detention, purify air and breathe for the wearer to the flap valve mouth mask by breathing reservoir bag to supply gas greater than the malleation of inspirator's per minute throughput more than 2 times.Be used for labour protection and prevent dust harzard, the flap valve mouth mask is connected the oxygen inhalation gauze mask that can be used as new medical treatment and health care with breathing reservoir bag.
Description
The combined type anti-dust respirator of supplying gas is a kind of filter technology that inhalator and protection are breathed that relates to, and the invention belongs to the breathing equipment technical field.
As everyone knows, colliery, metallurgy, ore dressing, cement, engineering tunnel, glass, refractory material, plastics, pharmacy, pottery, civil engineering, brickmaking, the working condition difference of building the road, casting sand removal, each production link of grain processing, produce the how much also different of dust, no matter which kind of dust all can bring harm to people, especially suck the trickle grit of lung, maximum to human body harm, it can cause the generation of pneumoconiosis.At present, the production environment of dust harzard adopts aggregate measures to administer dust more, as coal-bed flooding, spray sprinkler, dry type or wet filter dust collecting technique, mechanical mining etc. all is the measure of effective control dust harzard, domestic in recent years dust qualification rate increases, but the arresting efficiency to fine dust is not high, and dust is prestige healthy not basic solution of assisting the direct labor seriously still.For dust concentration contained in the production environment is reached below the sanitary standard of national regulation, guarantee the healthy of workman, strengthen individual protection to contact dust work personnel, be last one important step that prevents dust harzard.Manufactured and designed the dustproof utensil of many individualities both at home and abroad, as the BY series of products of colliery introduction BP technology, and the inventor " medical treatment and dustproof filter formula oxygen enrichment combination breathing equipment " (patent No. 87202559.4) etc.But existing Britain BY Dust-proof safety helmet and anti-dust respirator all exist following defective and deficiency, and promptly filter is installed in the interior weight of safety cap above 1 kilogram, and wearer's head is born a heavy burden big; The noise that micro machine and fan produce directly acts on head and hearing organ; Face shield has certain influence to the visual field; The rubber mouth mask is worn over face not only to be influenced the user of returning attractive in appearance and brings psychological fear; The heavy work operation that hinders the workman of the connector coiled pipe of filter and face shield; Coal miner will be worn filter and pit coal battery respectively, and it is big and burdensome to bear a heavy burden.Owing to have above-mentioned shortcoming and defect, fail so far to popularize as the individual anti-dust respirator of one of enterprise security measure.
The present invention is directed to the above-mentioned shortcoming and defect that anti-dust respirator exists, adopt special breathing reservoir bag to be built in the snakelike appendix that replaces being connected in mouth mask and filter in the vest formula work clothes; Adopt flapper-type plastic, transparent mouth mask to replace existing mouth mask and face shield, and the periphery of mouth mask and facial contact apply with plastic foam or silicon rubber reduce, to the stimulation and the reinforcement dustproof air-tightness of skin of face; The two places in the assembly with miner light storage battery and filter, and reasonable in design replaces former mine lamp battery and filter battery with efficient, long-lived full sealed non-maintenance battery.Be combined into a kind of new formula of supplying gas anti-dust respirator.
First purpose of the present invention is that the new-type inhalation apparatus that provides a kind of mouth mask to be connected with the breathing reservoir bag that is built in vest formula work clothes can be for the general utensil of dustproof and oxygen uptake; Second purpose of the present invention be, a kind of built-in high energy, long-acting battery and the assembly of filter are provided, and battery can be simultaneously for mine lamp and the work of filter blower fan, and volume is little, combiner in light weight, multi-functional; The 3rd purpose of the present invention be, provides a kind of flapper-type transparent plastic mouth mask periphery to apply with foamed plastics or silicon rubber, can prevent and the skin Long contact time produces pessimal stimulation and allergic reaction, and prevent that extraneous dust from escaping in the mouth mask; The 4th purpose that the present invention pursues be, the vest formula work clothes of built-in breathing reservoir bag is made different colours, can be used as the sign of the different work posts of difference and safety management mine under, is convenient to the protections of production management and labor safety.
Operation principle of the present invention and combining structure are, the fan switch battery feed of pressing resistance dirt filter drives explosion-proof micro motor for driving fan blade and rotates, having the dust air is sucked into the filter membrane dust that filter sees through in the filtering frame and is made air cleaning by resistance, after the air inlet pipe that is admitted to breathing reservoir bag that purifies air air-flow along the outlet side mouth of pipe by the air inlet of gas transmission connecting pipe to the flap valve mouth mask, purify air and supply gas the breather cheek valve door by the flap valve mouth mask more than 2 times greater than inspirator's per minute throughput to mouth mask with malleation, inspiratory valve is closed during expiration, gas enters the external world from the expiratory one-way valve door of mouth mask both sides, prevents that extraneous dust from entering nose and oral cavity.The flap valve mouth mask also can be connected with source of oxygen with breathing reservoir bag and carries out oxygen inhalation therapy, is the general utensil of individual dustproof and medical oxygen uptake.Combining structure of the present invention is made up of flap valve mouth mask, gas transmission connecting pipe, breathing reservoir bag, resistance dirt filter, vest formula work clothes, battery and mine lamp, realizes by following connection.In order to deepen the understanding of the present invention, now with reference to the accompanying drawings invention is illustrated.
Fig. 1 is the supply gas general structure schematic diagram of anti-dust respirator of combined type.Flap valve mouth mask 1, be connected by the outlet side mouth of pipe 4 of gas transmission connecting pipe 2 with the breathing reservoir bag 3 that is built in vest formula work clothes, purify gas tube orifice 7 sockets in the inlet end mouth of pipe 5 of breathing reservoir bag and the resistance dirt filter 6, make connection micro machine 9 and press the power connection that ore light button 10 makes the battery 12 that is connected mine lamp power 11 when pressing fan switch 8, the wheel rotation and the mine lamp of micro motor for driving blower fan 13 are lighted, the air that has a dust is inhaled in the plug-in type filter frame 14 of filter bottom and filters through filter membrane 15, dust is made air cleaning breathe for the wearer by detention, flap valve mouth mask and breathing reservoir bag constitute independent inhalator, also can be used as medical treatment and the general oxygen inhalation gauze mask of health care.
Fig. 2 is the flap valve mouth mask, adopts non-toxic polyvinyl chloride perfuming and colouring agent mold pressing injection molded, the transparent plastics mask for inhalation of imitative nose, the oral area shape of face.The flap valve mouth mask is the pyramid of protuberance from top to bottom, and the upper end is that wide 2 centimetres of dark 1 centimetre recesses and nose cheek coincide, and the outside is firm with a metal clip 16.The nose bump pad is like false nose, dark 6 centimetres of its nose portion and mouth mask edge, form certain cavity at nose and be convenient to the air-flow turnover, nose knuckle below is a vertical air inlet garden pipe 17, can insert the sleeve pipe 18 that has the breather cheek valve door, the cross garden heart of the top air admission hole of air intake valve sleeve pipe is the umbrella shape gim peg, in order to the diaphragm of fixing pure latex material, the bottom with can bent snakelike gas transmission connecting pipe socket of bending.Respectively offering 2 centimetres of diameters, centre on both sides, the lip portion of the mouth mask outside has the unidirectional garden shape valve 19 of giving vent to anger of the passage of 3 millimeters of 6 diameters, valve seat exceeds 3 millimeters, external diameter has thread, the centre is that the gim peg and the valve seat of valve is contour, have thread to screw in the valve seat enclosing cover with valve seat, prevent the valve seat enclosing cover and at the end the film of pure latex material come off.The periphery of flap valve mouth mask and facial contact applies with foamed plastics or spraying thin-layer silicon rubber 20, and guaranteeing has good air-tightness and to skin of face nonirritant and allergic reaction, make the wearer that comfort be arranged.The mouth mask periphery has the fixedly buttonhole 21 of four symmetries, is used to wear elastic cord 22 firm wearer's face.
Fig. 3 is the breathing reservoir bag that is built in vest formula work clothes.Breathing reservoir bag is to be made by blow moulded polyethyene, be 30～35 centimetres of length, wide 18～20 centimetres, the high 2 centimetres hollow gasbag that certain curvature is arranged, 1 millimeter of wall thickness, there are 3 wide 10 millimeters reinforcements periphery and centre, can bear certain pressure and pulling force, there are the garden shape mouth of pipe 4 of giving vent to anger, 1.8 centimetres of internal diameters in breathing reservoir bag upper end central authorities, 2 centimetres of external diameters, thread is connected with the gas transmission coiled pipe, and there is an air inlet mouth of pipe 5 in breathing reservoir bag lower end central authorities, long 3 centimetres, in, external diameter and the upper end mouth of pipe of giving vent to anger is identical, links to each other with the gas outlet of resistance dirt filter or the oxygen therapy mouth of pipe of source of oxygen by thread.The breathing reservoir bag profile is flat ellipse garden shape, interior bow, and the horizontal 15 ° of degree of the radian that curves inwardly vertically are 9 ° of degree.There are 8 buttonholes 23 for bolt tether band on four limits, the air bag outside, in order to be fixed in the vest formula work clothes.The volume of breathing bag is 0.9 liter, and inwall is bright and clean, and air-flow is not produced resistance.
Flap valve mouth mask and breathing reservoir bag constitute an inhalator unit, be connected to become the combined type anti-dust respirator of supplying gas with resistance dirt filter, being connected with source of oxygen can be directly for the inhalator of medical treatment and health care oxygen uptake, and therefore the inhalator of being made up of flap valve mouth mask and breathing reservoir bag is the general inhalator of anti-dust respirator and oxygen inhalation gauze mask.General oxygen therapy is used extremely wide, and nearly all clinical medicine practise is all with the method for oxygen therapy as routine or special treatment.Therefore the production and the exploitation of oxygen supply instrument is the key that realizes oxygen therapy.Flap valve mouth mask of the present invention and built-in breathing reservoir bag are used for oxygen inhalation therapy, be applicable to most shape of face patients, flap valve is flexible, respiration dead space is little, and the gas of coming in and going out is unobstructed, and especially the mouth mask periphery applies with foamed plastics or spraying thin-layer silicon rubber skin of face is not produced stimulation and allergic reaction.Built-in breathing reservoir bag replaces the gas-storing bag that is attached to below the mouth mask and thick coiled pipe, for diagnosis and treatment and oxygen uptake patient bring convenience.
The vest formula work clothes of built-in breathing reservoir bag adopts the nylon cotton fiber cloth of wear-resisting and waterproof to make, and soft durable, cloth is made water-proofing treatment.The sample of vest formula work clothes is the waistcoat formula, and the preceding flap of opening is that nylon zipper adds hidden discount, and upper left pocket is a camera bag, and inwardly diagonal cut joint is long 8 centimetres, can deposit mouth mask, and opening part is with the nylon zipper locking.Two shoulders add mends the epaulet band, opens with the metal hidden discount, in order to the braces of fixed combination device.The color of vest formula work clothes can be made multiple color according to the labor safety sign, digging worker and down-hole haulagman are blue look vest formula work clothes, the safety check worker is yellow vest formula work clothes, give first aid to and rob the dangerous section and be red vest formula work clothes, the individual dustproof vest formula work clothes of work post on the ore deposit can be used salmon pink, is convenient to difference and management.The top of the upper left pocket of vest formula work clothes is printed on green labour safety and hygiene sign, size is to be printed on a central cross in the garden of being made up of half gear and half wheat head at 50 * 50 millimeters the white end, be the Red Cross health logo, the individuality anti-dust respirator of supplying gas has been worn in expression.
Fig. 4 is a combiner, internal battery and resistance dirt filter, and shell is that the mold pressing of ABS engineering plastics is made, withstand voltage in 6 kg/cm, the appearance and size length is 120 * 60 * 160 millimeters.Battery is complete hermetically-sealed construction, and is non-maintaining, do not need liquid feeding, and any direction is placed no leakage, and shallow charge and discharge cycles surpasses 1000 times, and internal resistance is little, is fit to high-multiplying power discharge, specific energy height, vibration resistance.4 volts of rated voltages, rated capacity 10 ampere-hours can be lighted 16 hours for mine lamp simultaneously and micro machine accumulative total was worked more than 8 hours.Battery is an armor formula positive plate 24, paste spread type negative plate 25, and cellular plastic dividing plate and glass fiber dividing plate 26, whole cell jar and combiner shell are that one is made by the A-BS engineering plastics, separate fully with filter.0.56 ± 5% ohm of battery resistance flowing resistance value, power are greater than 26 watts, and short circuit current is not more than 7 amperes between socket, is explosion-proof battery.
Resistance dirt filter is made up of the filter membrane 15 that micromachine 9 drives in blower fan 13 and the filter frame 14, mini fan extracts dust laden air, nylon ultrafine fiber cloth high efficiency filter through typing, dust proof rate reaches 97%, resistance is less than 0.6 millimeter of water, dust laden air is purified, and purifying gas flow is delivered in the transparent plastics flap valve mouth mask through breathing reservoir bag, breathes for the wearer.The blower fan of bleeding is the fan of 46 millimeters of blade diameters, it drives by 20SYK02 type fire-proof motor, blade, hub are formed by the plastics compacting, rotating speed is greater than 1000 rev/mins, 20 millimeters of profile diameter, long 30 millimeters, 3 millimeters of diameter of shaft, long 12 millimeters, life-span was greater than 1000 hours, the centre that filter frame 13 is made for the highstrenghtpiston is long 118 millimeters of the suction hole of cross, wide 58 millimeters, high 10 millimeters framework, and the fence type filter lid made from vinyon synthesizes the plug-in type filter stand with hinge pin, and the centre can insert and put filter membrane.Two slide rails are arranged below the filter frame, and the filter stand of insertion combiner lower end inserts the chute in the mouth 27, filter frame is embedded closely be fixed in the filter, becomes the plug-in type filter frame.The plug-in type filter frame is easy to use, and replaceable at any time filter membrane is good to preventing that dust from escaping into performance.
The present invention's advantage compared with prior art is:
1, the present invention adopts non-toxic polyvinyl chloride to make the good flap valve mouth mask of the impregnable sense organ in the transparent visual field to be individual dustproof inhalator, in light weight, be applicable to most of wearer's shapes of face, respiration valve flexibly, the mouth mask dead space is little, it is unobstructed to go out blowhole.Mouth mask periphery applies with plastic foam or sprayed silicon rubber film with the skin of face contact position, wears not chafe for a long time and do not produce allergic reaction, especially air-tightness to have the performance that prevents that extraneous dust from escaping into well.
2, the present invention adopts the breathing reservoir bag that the vinyon be built in vest formula work clothes is made, replace existing snakelike ajutage and the gas-storing bag that is suspended in the mouth mask below become wearer's burden, a kind of novelty, light and handy, convenient work and operation be provided with vest formula work clothes be the breathing reservoir bag of one.
3, the present invention places the battery of power supply in the high-intensity plastic casing with resistance dirt filter, realize that combiner has two kinds of functions of power supply and filter dirt, overcome current coal miner and will carry on the back heavy burden and the inconvenience of mine lamp simultaneously with power supply and two housings of dustproof filtering device.
4, flap valve mouth mask of the present invention and the breathing reservoir bag that is built in vest formula work clothes connect and compose an independently inhalator, be connected with source of oxygen and can be used as oxygen inhalation gauze mask, be connected with nebulizer, or the mask for inhalation that is connected the conduct medical treatment and keeps healthy with air negative ion generator, can be widely used in medical treatment and healthcare field.
5, the present invention adopts vest formula or the built-in breathing reservoir bag of other work clothes; according to the labour safety and hygiene sign; work clothes can adopt different colors to manufacture, and makes colliery or enterprise according to the work post that the work clothes colouring discrimination has or not labour safety and hygiene protection and identification to be engaged in, and is convenient to management.
Description of drawings:
Fig. 1, general structure schematic diagram
1, the give vent to anger mouth of pipe 8, fan switch 9, micro machine 10, ore light button 11, mine lamp power socket 12, battery 13, blower fan 14, plug-in type filter frame 15, filter membrane of flap valve mouth mask 2, gas transmission connecting pipe 3, breathing reservoir bag 4, the breathing reservoir bag outlet side mouth of pipe 5, the breathing reservoir bag inlet end mouth of pipe 6, resistance dirt filter 7, filter
Fig. 2, flap valve mouth mask
1, flap valve mouth mask 2, gas transmission joint sleeve 16, fixing fixedly buttonhole 22, fixing frenulum of nose clip 17, mouth mask air inlet garden pipe 18, breather cheek valve door 19, the unidirectional valve 20 of giving vent to anger, foam plastic cushion 21, mouth mask
Fig. 3, breathing reservoir bag
4, the breathing reservoir bag fixedly buttonhole of the mouth of pipe 5, the breathing reservoir bag air inlet mouth of pipe 23, breathing reservoir bag of giving vent to anger
Fig. 4, combiner
6, the give vent to anger mouth of pipe 8, fan switch 9 micro machines 10, mine lamp power socket 11 ore light buttons 12, battery 13, blower fan 14, plug-in type filter frame 15, filter membrane 24, accumulator anode board 25, accumulator negative plate 26, battery separator 27, filtering frame of resistance dirt filter 7, filter inserts mouthful
Claims (7)
1; a kind of combined type that self-employed labour protection prevents dust harzard anti-dust respirator of supplying gas that is used for; it is by the flap valve mouth mask; gas transmission connecting pipe; breathing reservoir bag; battery; combinations such as resistance dirt filter and vest formula work clothes realize; it is characterized in that flap valve mouth mask 1; be connected by the outlet side mouth of pipe 4 of gas transmission connecting pipe 2 with the breathing reservoir bag 3 that is built in vest formula work clothes; purify gas tube orifice 7 sockets in the inlet end mouth of pipe 5 of breathing reservoir bag and the resistance dirt filter 6; make connection micro machine 9 and press the power connection that ore light button 10 makes the battery 12 that is connected mine lamp 11 when pressing fan switch 8; the wheel rotation and the mine lamp of micro motor for driving blower fan 13 are lighted; the air that has a dust is inhaled in the plug-in type filter frame 14 of filter bottom and filters through filter membrane 15; dust is made air cleaning breathe for the wearer by detention, flap valve mouth mask and breathing reservoir bag constitute independent inhalator and also can be used as medical treatment and the general oxygen inhalation gauze mask of health care.
2, the combined type according to claim 1 anti-dust respirator of supplying gas is characterized in that, the transparent flap valve mouth mask that described mouth mask is made by the non-toxic polyvinyl chloride mold pressing, the periphery that contacts with skin of face applies with to the skin nonirritant with prevent foamed plastics or the spraying thin-layer silicon rubber that extraneous dust escapes into, the unidirectional valve flap valve of giving vent to anger of mouth mask both sides has and prevents that the vent cap that the latex diaphragm comes off is fastening, and it is that elastic cord is worn that mouth mask is worn by monosymmetric four buttonholes.
3, the combined type according to claim 1 anti-dust respirator of supplying gas is characterized in that, the described breathing reservoir bag that is built in vest formula work clothes, the aduncate bright and clean volume of inwall that a turnover gas tube orifice respectively arranged up and down that is flat ellipse garden shape is greater than 0.5 liter vinyon hollow capsule, breathing reservoir bag is fixed in the vest formula work clothes by 8 tether buttonholes of periphery, and outer wall has 3 wide 10 millimeters garden arcs can bear the certain pressure and the reinforcement of pulling force before and after the breathing reservoir bag.
4, the combined type according to claim 1 anti-dust respirator of supplying gas is characterized in that, described combiner is long, wide, height be 120 * 60 * 160 millimeters built-in can be simultaneously for the battery of micro machine and mine lamp power with hinder the dirt filter in a housing of making by the mold pressing of ABS engineering plastics, middle cell jar dividing plate cuts off fully with resistance dirt filter, non-maintaining, do not need liquid feeding, any direction is placed no leakage, shallow charge and discharge cycles is greater than 1000 times, internal resistance is little, the specific energy height, the battery of the complete hermetically-sealed construction of vibration resistance, 4 volts of rated voltages, rated capacity 10 ampere-hours can be simultaneously be lighted 16 hours and micro machine accumulative total is worked power more than 8 hours greater than 26 watts for mine lamp, and short circuit current is not more than 7 amperes the explosion-proof battery that is connected with current-limiting resistance between socket.
5, the combined type according to claim 1 anti-dust respirator of supplying gas is characterized in that, the built-in resistance dirt filter of described combiner connects blower fan and plug-in type filter frame and filter membrane by explosion-proof micromachine and forms, dust proof rate reaches 97%, resistance is less than 0.6 millimeter of water, and the blower fan of bleeding is to drive rotating speed by 20SYK02 type micro machine greater than the fan of 46 millimeters of 1000 rev/mins blade diameters dust-laden to be sucked the plug-in type filter frame and see through filter membrane and make air cleaning.
6, the combined type according to claim 1 anti-dust respirator of supplying gas is characterized in that, it is 118 * 58 * 10 millimeters framework that the centre that described plug-in type filter frame is made by the highstrenghtpiston is cross suction hole length, the fence type filter lid made from vinyon synthesizes middle fixedly filter membrane with hinge pin, two slide rails in the chute that can embed the insertion mouth below the filter are arranged below the framework, and tight coincideing prevents that extraneous dust from escaping into.
7, the combined type according to claim 1 anti-dust respirator of supplying gas is characterized in that, described vest formula work clothes is represented the work post feature according to the work clothes that the labour safety and hygiene sign can be made into different colours, digging and haulagman can be blue looks, the safety check worker is yellow, speedily carry out rescue work and the first aid worker for red, enterprise can be a salmon pink on the ore deposit, is printed on the labour safety and hygiene sign above the pocket of left front, is convenient to discern work post and management of labour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91102612 CN1055120A (en) | 1991-05-06 | 1991-05-06 | The combined type anti-dust respirator of supplying gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91102612 CN1055120A (en) | 1991-05-06 | 1991-05-06 | The combined type anti-dust respirator of supplying gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1055120A true CN1055120A (en) | 1991-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91102612 Pending CN1055120A (en) | 1991-05-06 | 1991-05-06 | The combined type anti-dust respirator of supplying gas |
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| Country | Link |
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| CN (1) | CN1055120A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101179996B (en) * | 2005-04-06 | 2010-04-21 | 斯科特科技公司 | Combined air-supplying/air-purifying system |
| CN102639193A (en) * | 2009-09-25 | 2012-08-15 | Jcs集团 | Respiratory device with filter |
| CN104223631A (en) * | 2014-10-17 | 2014-12-24 | 鑫晶田医疗器械（苏州）有限公司 | Multifunctional umbrella |
| CN104872864A (en) * | 2014-12-10 | 2015-09-02 | 深圳市三恩科技有限公司 | Protective air supply mask with air purifying function |
| CN107362470A (en) * | 2017-05-19 | 2017-11-21 | 吴莎莎 | A kind of new blower fan of Worn type with bionical PFT |
| CN108653886A (en) * | 2018-05-29 | 2018-10-16 | 夏雨 | A kind of oxygen catheter for respiratory internal medicine |
| CN114323735A (en) * | 2021-12-29 | 2022-04-12 | 河南华测检测技术有限公司 | Intelligent food inspection rapid sampling device and sampling method |
-
1991
- 1991-05-06 CN CN 91102612 patent/CN1055120A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101179996B (en) * | 2005-04-06 | 2010-04-21 | 斯科特科技公司 | Combined air-supplying/air-purifying system |
| CN102639193A (en) * | 2009-09-25 | 2012-08-15 | Jcs集团 | Respiratory device with filter |
| CN102639193B (en) * | 2009-09-25 | 2015-04-15 | 佳士科技有限公司 | Respiratory device with filter |
| CN104223631A (en) * | 2014-10-17 | 2014-12-24 | 鑫晶田医疗器械（苏州）有限公司 | Multifunctional umbrella |
| CN104223631B (en) * | 2014-10-17 | 2016-08-24 | 鑫晶田医疗器械（苏州）有限公司 | A kind of multifunction umbrella |
| CN104872864A (en) * | 2014-12-10 | 2015-09-02 | 深圳市三恩科技有限公司 | Protective air supply mask with air purifying function |
| CN107362470A (en) * | 2017-05-19 | 2017-11-21 | 吴莎莎 | A kind of new blower fan of Worn type with bionical PFT |
| CN108653886A (en) * | 2018-05-29 | 2018-10-16 | 夏雨 | A kind of oxygen catheter for respiratory internal medicine |
| CN114323735A (en) * | 2021-12-29 | 2022-04-12 | 河南华测检测技术有限公司 | Intelligent food inspection rapid sampling device and sampling method |
| CN114323735B (en) * | 2021-12-29 | 2023-08-22 | 河南华测检测技术有限公司 | Intelligent rapid sampling device and sampling method for food inspection |
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