CN218635351U

CN218635351U - Positive pressure industrial dust and natural sand dust protective clothing

Info

Publication number: CN218635351U
Application number: CN202222725637.XU
Authority: CN
Inventors: 李忠真; 李纯莹
Original assignee: Hangzhou Zhenying Medical Technology Co ltd
Current assignee: Hangzhou Zhenying Medical Technology Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-03-17
Anticipated expiration: 2032-10-17

Abstract

The utility model discloses a malleation industrial dust and natural sand and dust protective clothing comprises transparent window hood, jacket, trousers, paste face, pocket, its characterized in that: the surface of the protective clothing jacket is provided with an intercom video instrument; an electric blower for conveying air for the protective clothing is fixedly arranged in the air pre-filtering box and the pre-filtering backpack; the prefiltering case is composed of a prefiltering cotton (cloth) component and a prefiltering net frame, the prefiltering backpack is made of filter cloth, the problem that the high-efficiency filter element of the electric air blower is blocked quickly in a high-dust concentration environment can be effectively solved, the electric air blower can work normally for a long time, the smooth breathing of a user is guaranteed, meanwhile, the user can clearly identify surrounding environment equipment and sounds emitted by personnel and vehicles when wearing the protective clothing, talkback video communication can be carried out with external personnel without obstacles, and the work and traffic safety can be guaranteed while positive-pressure industrial dust or natural sand protection is realized.

Description

Positive pressure industrial dust and natural sand dust protective clothing

Technical Field

The utility model belongs to the technical field of the protective clothing, the malleation dust protection of specially adapted labourer under high concentration industry dust environment to and the people is at the malleation sand protection under the sand raising and sand storm weather environment.

Background

Under the weather environment of high-concentration industrial dust, natural raised sand and sand storm, a great amount of large-particle industrial dust or natural sand dust flies in the air, and high-concentration dust particles also float, so that for workers and people in the sand weather of the body, the conventional protective measures such as the existing mask and gauze kerchief can not effectively prevent the industrial dust or the natural sand dust from invading the human body although the conventional protective measures have a certain protective effect, but the boundary gaps of the mask and the fiber pores of the gauze kerchief can not effectively prevent the industrial dust or the natural sand dust from invading the human body, and the positive pressure protective clothing applied in the fields of medical treatment, biochemistry, fire fighting and the like can be blocked by the large-particle dust quickly due to the small area of the high-efficiency filter core of the electric air blower, so that the air transportation amount of the electric air blower can not be reduced quickly.

In order to solve the protection problem of high-concentration industrial dust pollution, the current practice is as follows: the labor protection is emphasized while the generation or overflow of dust is inhibited, workers are required to wear masks with higher protection level and tools with better dustproof effect, but the problems of chest distress and breath holding and sweat damp and sultry generated by the dust are difficult to solve, so the pain caused by heavy-physical workers is particularly obvious for the workers engaged in special industries such as cement, quicklime and the like, because the cement and the quicklime dust have strong hydrophilicity, the cement and the quicklime dust are easy to absorb and generate hydration chemical reaction when meeting the moisture in the exhaled air of the workers wearing the masks, the generated hydrate is strongly adhered to the tiny gaps of the mask filter cloth, the air resistance of the masks is further increased, the workers feel chest distress more and feel uncomfortable, and part of the workers who cannot bear the breath the masks are crisp, directly breathe the air containing a large amount of the cement and the quicklime dust, and the final result is that the cement lung disease, a silicon disease which cannot be cured seriously harms the life health and the life quality of the patients. For the weather of sand raising and sand storm widely existing in spring and winter in northern areas of China, the current advocated passing protection method is as follows because the quantity and scale of sand can not be controlled manually: paying attention to weather forecast of sand raising or sand storm, reducing or avoiding outdoor activities as much as possible, if necessary going out, needing to wear a mask, a gauze kerchief and a scarf, and having no better protection method, so that outdoor workers generally have grey scales, full body dust and earthy smell in the weather of sand raising and sand storm; most pedestrians commuting and overtaking are covered with gauze towels, masks cover the faces, and sometimes dry cough is caused because the pedestrians cannot be affected by sand dust particles to the respiratory system of the human body, especially the pedestrians who originally suffer from respiratory system diseases and sensitive physique.

Effective safeguard measure's disappearance under to high concentration industrial dust and the sand blown by the air and sand storm weather environment, especially to the function limitation that current malleation protective clothing exists, the utility model provides a malleation industrial dust and natural sand storm protective clothing can relieve the painful of the saturated dust infringement of people under high concentration industrial dust pollution and the sand blown by the air and the sand storm weather environment, also can exchange for its pronunciation, visual identification, hand-carry article provide powerful support, can also be with the back through the wind drench the washing, change filter cotton (cloth) subassembly and high-efficient filter core of crossing, can realize repeated repetitious usage, have obvious security, travelling comfort, economic nature and feature of environmental protection.

Disclosure of Invention

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model discloses malleation industrial dust and natural sand and dust protective clothing comprises transparent window hood, jacket, trousers, electric air feeder, adhesive surface, pocket, its characterized in that: the surface of the jacket is provided with an intercom video instrument; the electric blower is fixedly arranged in a pre-filtering box with an air pre-filtering function, and the pre-filtering box is placed in a pre-filtering backpack made of filter cloth to form a pre-filtering system of the electric blower; the battery pack and the control module are arranged in a special bag for containing objects outside the pre-filtering box, and are connected with the electric air feeder through a power line penetrating through the pre-filtering box to supply direct current power to the electric air feeder; meanwhile, the battery pack and the control module are connected with an external power supply jack through a wire and are charged by a power adapter; the switch and the air quantity regulation of the electric blower are controlled by a Bluetooth switch connected with the battery pack and the control module, or by a wired switch or a voice control connected with the battery pack and the control module; the air inlet and air collecting hood of the electric blower is fixedly arranged on the pre-filtering screen frame and is positioned in the air inlet space of the electric blower constructed by the pre-filtering screen frame, and the front end of the air inlet and air collecting hood is provided with a high-efficiency filter element which can be replaced at any time; the air outlet of the electric blower is connected with an air delivery pipe, and the air delivery pipe penetrates through the inner wall and the outer wall of the pre-filtering box and the filter cloth of the pre-filtering backpack and is connected with the air inlet end of the air delivery hose; the air delivery hose extends along the air delivery path and is connected with an air delivery pipe connector of the positive pressure protective clothing.

The positive pressure protective clothing refers to various protective clothing which utilizes an electric blower to supply air under positive pressure in a broad sense, and structurally characterized by comprising a window hood (hat), a coat and trousers which are connected into a whole, and also comprising a split positive pressure protective clothing which does not directly connect the window hood (hat), the coat and the trousers together, and an independent positive pressure protective hood; the use characteristics comprise the positive pressure protective clothing which can be repeatedly used, and the disposable positive pressure protective clothing.

The talkback video instrument is integrated with a Bluetooth module, an outer microphone, a camera, an outer loudspeaker, a battery and an adjusting switch, is connected with a Bluetooth headset matched with a protective clothing wearing person for use, or is connected with a micro headset microphone matched with the protective clothing wearing person for use through an audio line into a whole, or is connected with the Bluetooth headset matched with the protective clothing wearing person for use through an APP, a Wi-Fi network and the Bluetooth headset matched with the protective clothing wearing person for use, and the smart phone are interconnected and communicated with each other. The talkback, network and video functions of the whole talkback video instrument can be selected in multiple models and configured as required; the outer machine is fixed on the outer surface of the protective clothing through the suspension piece, and can be repeatedly disassembled and assembled for multiple use.

The pocket is an accessory fixed on the outer surface of the protective clothing, the number, the shape and the material characteristics of the pocket are determined as required, and the opening of the pocket can adopt a sealing zipper or a magic tape so as to meet the requirements of dust prevention and carrying of articles for people wearing the protective clothing.

The adhesive surface comprises a front adhesive surface and a side adhesive surface, the adhesive substrate is a magic tape or a double-sided adhesive tape and is used for adhering a signboard, a two-dimensional code, an induction card or a favorite pattern mark of a person wearing the protective clothing, the area size and the number of the adhesive surface are determined as required and are placed on the chest, the belly, the two arms and other suitable parts of the human body of the protective clothing so as to meet the requirements of visual identification and individuality highlighting of the person wearing the protective clothing.

The prefilter case with air prefilter function, characterized by: the pre-filtering box consists of a pre-filtering cotton (cloth) component and a pre-filtering net frame, the pre-filtering cotton (cloth) component is in a cuboid shape like the pre-filtering net frame in shape, and the pre-filtering cotton (cloth) component is sealed and wrapped outside the pre-filtering net frame; the upper side, the lower side, the left side, the right side, the inner side close to the human body and the outer side far away from the human body of the pre-filtering net frame are all in a silk screen shape or a hollow shape, wherein the upper side, the lower side, the left side, the right side and the inner side are correspondingly and fixedly connected, and the outer side can be opened, closed or disassembled; the upper side, the lower side, the left side, the right side and the inner side of the pre-filtering cotton (cloth) component are correspondingly and fixedly connected, and the outer side is provided with a sealing zipper or an adhesive tape which can be opened and closed; functionally, the pre-filtering cotton (cloth) component plays a main role in the air pre-filtering process, and the pre-filtering effect of the pre-filtering backpack plays a secondary role relatively; the pre-filtering net frame supports the external space body of the whole pre-filtering box and also constructs the air inlet space of the electric blower; the air inlet and air collecting hood of the electric blower, the electric blower and the air delivery pipe are fixedly arranged in the pre-filtering net frame; the pre-filtering cotton (cloth) component and the pre-filtering screen frame are provided with air delivery pipe orifices corresponding to the air delivery pipes of the electric air feeder, and the air delivery pipes of the electric air feeder penetrate through the air delivery pipes; the interpenetration contact surface of the electric blower air delivery pipe, the pre-filtering screen frame, the pre-filtering cotton (cloth) component and the pre-filtering double-shoulder bag filter cloth is provided with a silica gel sealing ring.

The pre-filtering cotton (cloth) component is a main component of the pre-filtering tank with a pre-filtering function, and can be made of primary-effect filtering cotton (cloth) and intermediate-effect filtering cotton (cloth) independently or sequentially from outside to inside according to different use environments; wherein the primary filter cotton (cloth) has low primary resistance and high dust capacity, and mainly filters large-particle dust and suspended matters of 5 microns or more; the middle-effect filter cotton (cloth) mainly filters small-particle dust of 1 micron and above; the combination of the primary filter cotton (cloth) and the intermediate filter cotton (cloth) can provide the pre-filtration guarantee for the high-efficiency filter core of the electric blower.

The pre-filtering backpack is a backpack type backpack which is made of woven filter cloth and used for carrying a pre-filtering box, and gaps among cloth fibers of the backpack can filter large-particle dust with the particle size of 50 microns or more, so that the pre-filtering box loaded in the backpack provides a function of pre-filtering large-particle dust sand grains, and also provides an outer package protection function for the pre-filtering box and a portable function of carrying the pre-filtering box by a user; the special bag for containing the objects is arranged on the pre-filtering backpack, and can be used for containing and storing objects such as a battery pack, a control module, a charging adapter, a Bluetooth switch and a wired switch; the positions of the pre-filtering backpack corresponding to the air delivery pipe orifices of the pre-filtering box are provided with air delivery pipe orifices, and an air delivery pipe connected with an electric blower penetrates through the pipe orifices to be connected with an air delivery hose; the pre-filter backpack is sized to fully extend to load the pre-filter box.

The battery pack and the control module are a direct current power supply and a control circuit board which directly supply power to the electric blower, and the standby and working states of the pre-filtering box are totally closed, so that the internal heat dissipation rate is low, and therefore, in order to improve the heat dissipation efficiency of the battery pack and the control module during charging and working, the battery pack and the control module are arranged in a special bag for a pre-filtering double-shoulder package outside the pre-filtering box and are connected with the electric blower through a power line penetrating through the pre-filtering box; the external power supply jacks arranged on the special bag for the pre-filtering double-shoulder packing materials are used for charging through a power adapter.

The bluetooth switch, because electric air feeder fixes in confined prefiltration case and prefiltration shoulders bag in advance, the user can't directly control electric air feeder, accessible bluetooth wireless connection's mode carries out functional operation such as switch, air regulation, electric quantity display to electric air feeder.

The wired switch or voice control for connecting the battery pack and the control module is that the battery pack and the control module are connected through a wire, the mode for controlling the electric air feeder extends to the outside of the pre-filtering box and the pre-filtering backpack, and the operations of switching on and off the electric air feeder, adjusting air volume, displaying electric quantity and the like are realized by pressing the wired switch or voice control.

The utility model discloses malleation industrial dust and natural sand and dust protective clothing's theory of operation is: when the electric blower is started, the internal space of the pre-filter box immediately generates negative pressure, dirty air containing high-concentration and large-particle dust in the environment penetrates through the filter cloth of the pre-filter backpack and a pre-filter cotton (cloth) component in the pre-filter box under the action of external atmospheric pressure and penetrates into the negative pressure space in the pre-filter box, in the penetration process, the filter cloth of the pre-filter backpack firstly filters and removes large-particle sand dust of 50 microns or more to form primary pre-filter air, then the primary pre-filter air penetrates into the pre-filter cotton (cloth) component of the pre-filter box and then filters and removes fine dust particles of 1 micron or more to form pre-filter air, the pre-filter air penetrates through a pre-filter screen frame and directly enters the negative pressure space in the pre-filter box, after being filtered by an electric blower high-efficiency filter core, suspended matters such as dust, bacteria, viruses and the like with particle diameters of 0.5 micron or more can be removed to prepare purified air, then the purified air is sucked into the electric blower through an air inlet cover, then the air inlet, the air is exhausted through a hose, and then the air is exhausted to be used as a protective garment for carrying heat, and carbon dioxide is exhausted from the protective garment for external protection; after a period of air pre-filtering work, the filter cloth of the pre-filtering backpack, the pre-filtering cotton (cloth) component of the pre-filtering box and the high-efficiency filter element of the electric blower have different dust holding capacities, but the filter cloth of the pre-filtering backpack and the pre-filtering cotton (cloth) component of the pre-filtering box have relatively large dust holding capacities, the high-efficiency filter element of the electric blower has relatively small dust holding capacity, the time for the dust holding capacities of the filter cloth of the pre-filtering backpack and the pre-filtering cotton (cloth) component of the pre-filtering box to reach saturation is relatively short, and the time for the dust holding capacity of the high-efficiency filter element of the electric blower to reach saturation is relatively long; the dust holding amount and the time for reaching saturation are in direct proportion to the dust concentration of the using environment and the accumulated using time of the protective clothing; after the dust holding capacity of the pre-filtering backpack and the pre-filtering box reaches saturation, the accumulated dust can be removed in a wind showering and water washing mode, and repeated use is realized, wherein the specific repeated use times are determined according to the pre-filtering cotton (cloth) component material, the use environment and the effective use time; when the dust holding capacity of the high-efficiency filter element of the electric blower is saturated, the ventilation volume and the quality of the purified air can be ensured by replacing the high-efficiency filter element. The technical scheme of the air pre-filtering effectively solves the problem that the high-efficiency filter core of the electric blower is blocked quickly in the environment with high dust concentration, ensures that the electric blower can normally work for a long time, further realizes the comprehensive positive pressure protection on the human body in the environment with high-concentration industrial dust and natural sand dust, and eliminates the obvious defect that the existing user wears the dust mask; in addition, the talkback video instrument is arranged on the outer surface of the protective clothing, so that a user can have good hearing sense when wearing the protective clothing, the sound emitted by surrounding environment equipment, personnel and vehicles can be clearly identified, the work and traffic safety is ensured, the user can carry out talkback video communication and visual identification with surrounding people and network online personnel without obstacles, the smoothness of communication between the user and external information is ensured, and the protective clothing has remarkable practicability and convenience.

The utility model discloses following beneficial effect has:

1. under the weather environment of high-concentration industrial dust, sand and sand storm, the air pre-filtration of the positive pressure protective clothing is realized, and the problem that the high-efficiency filter core of the electric blower is easily blocked by large-particle dust is effectively eliminated;

2. the battery pack and the control module are arranged outside the closed prefilter box, so that the heat dissipation problem during charging and working of the battery pack and the control module is solved;

3. the Bluetooth switch control is adopted, so that the problems that the switch of an electric air feeder sealed in a pre-filtering box cannot be directly pressed and controlled and the air quantity can be solved;

4. the mask is not worn, so that dust injury to a user caused by poor protection of the mask under the weather environments of high-concentration industrial dust, sand raising and sand storm is eliminated, and discomfort of chest distress and suffocation to the user caused by wearing the mask is also eliminated;

5. purified air in the positive pressure protective clothing is circularly discharged, condensed water mist and water drops in a window of a hood of the protective clothing are eliminated, and visual impairment of a user is reduced;

6. the talkback video communication and the identity recognition are carried out on the positive pressure protective clothing wearer, and particularly, barrier-free answering and judgment on environmental equipment and vehicle sounds are carried out, so that safe production and safe traveling are ensured, and support guarantee on hearing and vision is provided;

7. the positive pressure protective clothing provides convenience for the positive pressure protective clothing wearer to carry personal articles and labor tools;

8. the pre-filtering cotton (cloth) components of the pre-filtering filter cloth and the pre-filtering cotton (cloth) components of the pre-filtering backpack can be washed by wind and water, and can be repeatedly used, so that the use cost is reduced, and the environmental protection benefit is improved.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, the corresponding drawings are only some embodiments of the present invention, and for those skilled in the art, without inventive work, other drawings can be obtained by simple conversion and adjustment according to the drawings:

FIG. 1 is a schematic left view of a protective clothing for positive pressure industrial dust and natural sand dust;

FIG. 2 is a schematic view of a pre-filter backpack;

FIG. 3 isbase:Sub>A schematic cross-sectional view ofbase:Sub>A pre-filter backpack andbase:Sub>A pre-filter box A-A;

FIG. 4 is a schematic view of a pre-filter cotton (cloth) assembly;

FIG. 5 is a schematic view of a pre-filter frame;

FIG. 6 is a schematic view of an electric blower assembly;

FIG. 7 is a three-view illustration of an electric blower assembly with a pre-filter box, pre-filter backpack construction;

FIG. 8 is a schematic view of a walkie-talkie video.

In the drawings, the names of the components represented by the respective reference numerals are listed as follows:

1-transparent window head cover, 2-coat, 3-trousers, 4-prefiltering backpack, 5-air delivery hose, 6-air delivery pipe interface, 7-intercom video instrument, 8-adhesive surface, 9-pocket, 10-filter cloth, 11-air delivery pipe hole, 12-backpack braces, 13-backpack main zipper, 14-special bag for containing articles, 15-external power jack, 16-prefilter box, 17-prefilter cotton (cloth) component, 18-prefilter net frame, 19-electric blower air inlet space, 20-prefilter cotton (cloth) component zipper, 21-power wire hole, 22-silica gel frame edge, 23-electric blower, 24-air delivery pipe, 25-air inlet hood, 26-high-efficiency filter core, 27-power wire, 28-battery pack and control module, 29-Bluetooth switch, 30-charging adapter, 31-Bluetooth module, 32-camera, 33-external microphone, 34-external sound loudspeaker, 35-battery, 36-regulation switch, bluetooth 37-38-smart phone, 39-micro mobile phone, 39-microphone network, and 41-micro mobile phone network.

Detailed description of the preferred embodiments

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the drawings in the embodiments of the present invention, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and thus, the scope of protection of the present invention is defined more clearly and definitely. Of course, the described embodiments are only some of the embodiments of the present invention, and not all of them.

In the description of the present invention, it should be understood that the terms "side", "upper", "lower", "center", "front", "rear", "left", "right", and the like indicate orientations or positional relationships, and are used merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the indicated components must have a particular orientation or must be operated in a particular orientation, and therefore should not be construed as limiting the present invention.

As shown in fig. 1, the positive pressure industrial dust and natural sand protection suit of the present invention is composed of a transparent window head cover 1, a coat 2, trousers 3, an electric blower 23, a bonding surface 8 and a pocket 9, and is characterized in that: the surface of the jacket 2 is provided with an intercom video instrument 7; the electric blower 23 is fixedly arranged in a prefilter box 16 with an air prefilter function, and the prefilter box 16 is placed in the prefilter backpack 4 made of the filter cloth 10 to form a prefilter system of the electric blower 23; the battery pack and control module 28 is arranged in the special bag 14 for containing the objects outside the pre-filtering box 16, is connected with the electric blower 23 through a power line 27 passing through the pre-filtering box 16, and supplies direct current to the electric blower 23; meanwhile, the battery pack and control module 28 is connected with the external power supply jack 15 through a wire and is charged by the power adapter 30; the on-off and air quantity regulation of the electric blower 23 are controlled by a Bluetooth switch 29 connected with the battery pack and the control module 28, or controlled by a wired switch or voice connected with the battery pack and the control module 28; the air intake and collection hood 25 of the electric blower 23 is fixedly arranged on the pre-filtering screen frame 18 and is positioned in the air intake space 19 of the electric blower constructed by the pre-filtering screen frame 18, and the front end of the air intake and collection hood is provided with a high-efficiency filter element 26 which can be replaced at any time; an air outlet of the electric blower 23 is connected with an air delivery pipe 24, and the air delivery pipe 24 penetrates through the inner wall and the outer wall of the pre-filtering box 16 and the filter cloth 10 of the pre-filtering backpack 4 and is connected with an air inlet end of the air delivery hose 5; the air delivery hose 5 extends along the air delivery path and is connected with an air delivery pipe connector 6 of the positive pressure protective clothing.

The transparent window hood 1 is made of materials with high transparency, fogging resistance and high strength, such as high-strength polycarbonate with a nano coating.

The fabrics of the upper outer garment 2 and the trousers 3 are preferably coated fabrics so as to ensure the use effect of positive pressure dust prevention. The coated fabric comprises a coated textile fabric and a coated non-woven fabric, has the characteristics of water resistance, static resistance and flame retardance, and simultaneously has the mechanical characteristics of friction resistance and tensile resistance and the characteristics of lightness, thinness and smoothness, and is prepared by processing the single or mixed spinning of fibers such as nylon, terylene, polypropylene, cotton, hemp and the like through coatings such as PA/AC, PU, TPU, PE, PTFE and the like, and comprises part of coated fabrics sold in the market at present, such as down jackets, outdoor jackets, ski suits and the like which have the performances of water resistance and wind resistance and meet the requirements of protective clothing; an exemplary coated nonwoven fabric is a nonwoven fabric made by coating a PE, TPU, PTFE, or the like; the color of the cloth is selected according to the requirements of the industry standard or the civil market. The protective clothing made of the coated fabric can be repeatedly used after being used and sprayed with wind and washed with water, and the specific use times are related to the type and use environment of the coated fabric.

One end of the air delivery hose 5 is connected with an external interface of the air delivery pipe 24, and the other end of the air delivery hose is connected with an air delivery pipe interface 6 on the protective clothing jacket 2, wherein the diameter of the air delivery hose is generally 20-30mm, and the total length of the air delivery hose is 20-30cm, so that purified air output by the air delivery pipe 24 is delivered into the space near the protective clothing.

The air delivery pipe joint 6 is fixedly arranged on the waist and abdomen part of the protective clothing jacket 2, the example installation part is generally arranged on the right waist and abdomen part so as to be convenient for a user to connect or disconnect the air delivery hose 5, and the joint mode can adopt a rotary buckle type or a nut connection type.

The adhesive surface 8 is fixedly glued on the outer surface of the protective clothing, the adhesive substrate is a magic tape or a double-sided adhesive tape, the magic tape or the double-sided adhesive tape is used for adhering a specially-made user signboard, a two-dimensional code, an induction card or a characteristic pattern, the area size and the number of the magic tape or the double-sided adhesive tape are determined according to needs, and the magic tape or the double-sided adhesive tape is placed on the chest and abdomen part, the two arms or other proper parts of a human body of the protective clothing.

The pocket 9 is an accessory which is stuck and fixed on the outer surface of the protective clothing, the number, the shape and the material characteristics are determined according to the requirement, and the opening of the pocket can adopt a sealing zipper or a magic tape so as to meet the requirement that a person wearing the protective clothing carries articles with him.

As shown in fig. 2, the pre-filtering backpack 4 is made of woven filter cloth 10, and the corresponding woven filter cloth 10 includes nylon cloth, oxford cloth, terylene cloth, etc. suitable for making the backpack; the pre-filtering backpack 4 is provided with an air duct hole 11 corresponding to the position where the air duct 24 penetrates out; the inner side surface of the pre-filtering backpack 4 close to the human body is provided with left and right backpack braces 12; the pre-filtering backpack 4 is inlaid with a backpack main zipper 13 and a special containing bag 14, and the special containing bag 14 is used for loading articles such as a charging adapter 30, a Bluetooth switch 29 or a wired switch; one end of the special bag 14 for containing the articles is provided with an external power supply jack 15, the jack is provided with a dustproof cover and is opened when the charging or connecting work is carried out, and is closed when the charging or connecting work is not carried out.

As shown in fig. 3, the sectional structure of the pre-filtering backpack and the pre-filtering boxbase:Sub>A-base:Sub>A is schematically shown, which can clearly show the sectional structure of the pre-filtering backpack 4 and the pre-filtering box 16 therein, and the structural hierarchy and the wrapping relationship from outside to inside are as follows: the pre-filtering cotton (cloth) component 17 is wrapped by the filtering cloth 10 in a totally-enclosed manner, the pre-filtering cotton (cloth) component 17 is wrapped by the pre-filtering net frame 18 in a totally-enclosed manner, and the internal space of the pre-filtering net frame 18 is constructed into an air inlet space 19 of the electric blower; the filter cloth 10 is additionally isolated to be made into a special bag 14 for containing articles, and a corresponding bag for containing articles can be additionally made according to the requirement; the pre-filtering box 16 inside the pre-filtering backpack 4 can be wholly taken out or put in by opening the main zipper 13 of the backpack so as to conveniently replace the pre-filtering cotton (cloth) component 17 or the high-efficiency filter element 26.

As shown in fig. 4, the pre-filter cotton (cloth) assembly 17 is a cuboid hollow box type assembly made of filter cotton (cloth) as a main material, the outer side surface of the pre-filter cotton (cloth) assembly, which is far away from the human body, is provided with a pre-filter cotton (cloth) assembly zipper 20, which can be opened and closed, the pre-filter cotton (cloth) assembly zipper 20 can be replaced by a sealing adhesive tape, other side surfaces are fixedly connected and formed, wherein the upper side surface is provided with a power supply wire hole 21, and the right side surface is provided with an air delivery pipe hole 11 corresponding to the position where the air delivery pipe 24 penetrates out; the internal space form of the pre-filtering cotton (cloth) component 17 is completely matched with the external space form of the pre-filtering screen frame 18, and the pre-filtering screen frame 18 can be arranged in the pre-filtering screen frame in a totally-closed manner; according to different use environments, the pre-filtering cotton (cloth) assembly 17 can be made of primary filtering cotton (cloth) and intermediate filtering cotton (cloth) separately or sequentially from outside to inside.

As shown in fig. 5, the upper side, the lower side, the left side, the right side, the inner side close to the human body, and the outer side far from the human body of the pre-filtering screen frame 18 are all silk-screen or hollow; the overall external form of the pre-filtering screen frame 18 is completely matched with the internal space form of the pre-filtering cotton (cloth) component 17, and the pre-filtering screen frame is of a cuboid hollow box type structure; the upper side, the lower side, the left side, the right side and the inner side close to the human body of the pre-filtering net frame 18 are in a fixed connection shape, and the outer side far away from the human body can be opened, closed or disassembled for mounting; functionally, the pre-filter frame 18 supports externally the external spatial form forming the whole pre-filter box 16, while internally it is the main body that constitutes the electric blower intake space 19; the air inlet and collection hood 25, the electric blower 23 and the air delivery pipe 24 are fixedly arranged on the pre-filtering net frame 18; the right side surface of the pre-filter screen frame 18 corresponds to an outlet of the air conveying pipe 24 and is provided with an air conveying pipe hole 11, and the air conveying pipe 24 of the electric blower 23 penetrates through the air conveying pipe hole; the upper side of the pre-filtering screen frame 18 corresponds to the outlet of the power cord 27 and is provided with a power cord hole 21 through which the power cord 27 of the electric blower 23 passes; the air delivery pipe 24 of the electric blower 23 is provided with a silica gel sealing ring with the interpenetration contact surfaces of the pre-filtering net frame 18, the pre-filtering cotton (cloth) component 17 and the pre-filtering backpack 4.

As shown in fig. 6 and 7, the power adapter 30 is connected to the wires through the external power jack 15 to charge the battery pack and the control module 28; the battery pack and control module 28 is connected to the electric blower 23 through a power line 27 and supplies dc power to the electric blower 23; the switch and the air quantity regulation of the electric blower are controlled by a Bluetooth switch connected with the battery pack and the control module 28, or controlled by a wired switch or voice connected with the battery pack and the control module 28; the front end of the electric blower 23 is provided with an air inlet gas collecting hood 25, and a high-efficiency filter element 26 is inserted into an air inlet of the air inlet gas collecting hood 25 to efficiently filter pre-filtered air sucked by the electric blower 23, so that purified air is prepared; the dust holding capacity of the high-efficiency filter element 26 can be replaced at any time after reaching the replacement standard; an air outlet of the electric blower 23 is connected with an air delivery pipe 24, the air delivery pipe 24 penetrates through the pre-filtering box 16 and the inner and outer walls of the pre-filtering backpack 4 to be connected with an air delivery hose 5, and the air delivery hose 5 is connected with an air delivery pipe interface 6 of the positive pressure protective suit; the total amount of purified air input into the protective clothing by the electric blower 23 is adjustable between 120L/min and 200L/min.

As shown in fig. 8, the talkback video instrument 7 is integrated with a bluetooth module 31, a camera 32, an external microphone 33, an external speaker 34, a battery 35, and an adjusting switch 36, and is connected in a paired manner with a wireless bluetooth headset 37 or a micro headset microphone 39 used by a person wearing protective clothing, or is interconnected and intercommunicated with the bluetooth headset 37 and a smart phone 38 used by the person wearing protective clothing through an APP or a Wi-Fi network 40, so as to accurately and instantly obtain field devices, vehicle sounds and voices of surrounding people for the person wearing protective clothing, and perform talkback video communication with other people and online people at an internet PC end 41 without obstacles, so as to provide voice and video support; the intercom video instrument 7 is preferably small in overall dimension, not large in overall dimension, light in weight and not heavy, the exemplary overall dimension is 10-15cm multiplied by 5-8cm multiplied by 3-4cm, and the weight is 80-150g; the specific functions and configurations can be increased or decreased and are determined according to needs; the whole talkback video instrument 7 is fixed on the outer surface of the protective clothing by utilizing a suspension piece, and can be repeatedly disassembled and assembled for multiple use.

The utility model discloses malleation industrial dust and natural sand and dust protective clothing's theory of operation is: when the electric blower 23 is started, the air inlet space 19 of the electric blower immediately generates negative pressure, and under the action of external atmospheric pressure, dirty air containing high-concentration and large-particle dust in the environment permeates into the air inlet space 19 of the electric blower through the filter cloth 10 of the pre-filtering backpack 4 and the pre-filtering cotton (cloth) component 17 in the pre-filtering box 16; in the penetration process, the filter cloth 10 of the pre-filtering backpack 4 firstly filters and removes large-particle sand dust of 50 microns or more to form primary pre-filtered air, and then the primary pre-filtered air penetrates into the pre-filtering cotton (cloth) component 17 and then filters and removes fine dust particles of 1 micron or more to form pre-filtered air; the pre-filtered air passes through the pre-filtering net frame 18 and directly enters the air inlet space 19 of the electric blower, and after being efficiently filtered by the efficient filter core 26 of the electric blower 23, 99.95 percent or more of dust, bacteria and virus attached suspended particles with the particle size of more than or equal to 0.5 micron can be removed to prepare purified air; then the purified air is sucked into the air inlet of the electric blower 23 and then is input into the air delivery hose 5 through the air delivery pipe 24, and the air delivery hose 5 finally inputs the purified air into the near-body space inside the positive pressure protective clothing through being connected with the air delivery pipe connector 6. After a period of air pre-filtering work, different dust holding amounts appear in the filter cloth 10 of the pre-filtering backpack 4, the pre-filtering cotton (cloth) component 17 of the pre-filtering box 16 and the high-efficiency filter element 26 of the electric blower, but the dust holding amounts of the filter cloth 10 and the pre-filtering cotton (cloth) component 17 are relatively large, the dust holding amount of the high-efficiency filter element 26 is relatively small, the time for the dust holding amounts of the filter cloth 10 and the pre-filtering cotton (cloth) component 17 to reach saturation is relatively short, and the time for the dust holding amount of the high-efficiency filter element 26 to reach saturation is relatively long; the dust holding amount and the time for reaching saturation are in direct proportion to the dust concentration of the using environment and the accumulated using time of the protective clothing; after the dust holding capacity of the filter cloth 10 and the pre-filter cotton (cloth) component 17 reaches saturation, the dust holding capacity can be removed in a wind showering and water washing mode, so that repeated use is realized; when the dust holding capacity of the high-efficiency filter element 26 is saturated, the ventilation capacity and quality of the purified air can be ensured by replacing the high-efficiency filter element 26. Above-mentioned air prefiltering technical scheme has eliminated the problem that electric blower 23 high efficiency filter core 26 is blockked up very fast under the high dust concentration environment effectively, has ensured that electric blower 23 can normally work for a long time, and then realizes the comprehensive malleation protection to the human body under high concentration industry dust and the natural sand dirt environment, when guaranteeing that the user breathes smoothly, will contain in the protective clothing that carbon dioxide, heat, sweat and so on the gas mixture discharges outside, has eliminated the obvious defect that the user wears dust mask and exists now. In addition, the talkback video instrument 7, the adhesive surface 8 and the pocket 9 are arranged on the outer surface of the protective clothing, so that a user can have good hearing sense when wearing the protective clothing, can clearly identify sounds emitted by surrounding environment equipment, personnel and vehicles, ensures the safety of work and passage, can carry out talkback video communication and visual identification with surrounding people and network online personnel without obstacles, ensures the smoothness of communication between the user and external information, and has remarkable practicability and convenience.

The above-mentioned only of this description is one or more examples of malleation industrial dust and natural sand and dust protective clothing, not therefore the restriction the utility model discloses a patent range, all utilize the equivalent structure transform of the contents of the utility model discloses the description and the attached drawing do, if change the intercom video appearance that hangs into in bags or paste, or change the cuboid that prefilter shoulders package demonstrates for other shapes, or replace prefilter cotton (cloth) subassembly with other filter materials, or carry out simple data increase and decrease, position transform to material variety such as cloth, pocket, adhesive surface given in the example, specification size, position quantity, aperture interval, corresponding change adjustment, all are in the utility model discloses general description and corresponding patent protection within range.

Claims

1. The utility model provides a malleation industry dust and natural sand and dust protective clothing comprises transparent window hood (1), jacket (2), trousers (3), electric blower (23), adhesive surface (8), pocket (9), its characterized in that: the surface of the jacket (2) is provided with an intercom video instrument (7); the electric blower (23) is fixedly arranged in a prefilter box (16) with an air prefilter function, and the prefilter box (16) is placed in a prefilter backpack (4) made of filter cloth (10) to form a prefilter system of the electric blower (23); the battery pack and control module (28) is arranged in a special bag (14) for containing articles outside the pre-filtering box (16), is connected with the electric blower (23) through a power line (27) penetrating through the pre-filtering box (16), and supplies direct current to the electric blower (23); meanwhile, the battery pack and the control module (28) are connected with an external power supply jack (15) through a lead, and are charged by a power adapter (30); the switch and the air quantity regulation of the electric blower (23) are controlled by a Bluetooth switch (29) connected with the battery pack and the control module (28), or controlled by a wired switch or voice connected with the battery pack and the control module (28); an air inlet and collecting hood (25) of the electric blower (23) is fixedly arranged on the pre-filtering screen frame (18) and is positioned in an air inlet space (19) of the electric blower constructed by the pre-filtering screen frame (18), and the front end of the electric blower is provided with a high-efficiency filter element (26) which can be replaced at any time; an air outlet of the electric blower (23) is connected with an air delivery pipe (24), and the air delivery pipe (24) penetrates through the inner wall and the outer wall of the pre-filtering box (16) and the filter cloth (10) of the pre-filtering backpack (4) and is connected with an air inlet end of the air delivery hose (5); the air delivery hose (5) extends along the air delivery path and is connected with an air delivery pipe connector (6) of the positive pressure protective clothing.

2. The protective clothing for industrial dust and natural sand dust under positive pressure as claimed in claim 1, wherein: talkback video instrument (7) integrated have bluetooth module (31), camera (32), outer microphone (33), outer sound loudspeaker (34), battery (35), regulating switch (36) to with wear supporting wireless bluetooth headset (37) or the micro-headset microphone (39) of using of protective clothing personnel and pair the connection, or through APP, wi-Fi network (40) and wear supporting bluetooth headset (37), the intercommunication of smart mobile phone (38) of using of protective clothing personnel.

3. The protective clothing for industrial dust and natural sand dust under positive pressure as claimed in claim 1, wherein: the pre-filtering box (16) has the following structural layers and wrapping relations from outside to inside: the pre-filter cotton assembly (17) is totally enclosed to wrap the pre-filter screen frame (18), and the internal space of the pre-filter screen frame (18) is constructed into an air inlet space (19) of the electric blower; the pre-filter cotton assembly (17) and the pre-filter screen frame (18) are provided with an air conveying pipe hole (11) corresponding to the penetrating position of the air conveying pipe (24), and are provided with a power line hole (21) corresponding to the penetrating position of the power line (27).

4. The protective clothing for industrial dust and natural sand dust under positive pressure as claimed in claim 1, wherein: the pre-filtering backpack (4) is made of filter cloth (10), and air delivery pipe holes (11) are formed in positions corresponding to the positions where the air delivery pipes (24) penetrate; the inner side surface of the prefiltration backpack (4) close to the human body is provided with a left and a right backpack braces (12); the prefiltering backpack (4) is inlaid with a main zipper (13) of the backpack and a special bag (14) for containing articles; one end of the special bag (14) for containing articles is provided with an external power supply jack (15).