CN112156582A - Protective device - Google Patents

Abstract

The invention discloses a protection device. The protective device comprises protective clothing, an air supply device and a filtering device; air supply arrangement includes the air supply base, air supply mechanism, display mechanism, pressure differential detection mechanism, current detection mechanism and wind speed detection mechanism, the air supply base has the installation cavity and with the base import of installation cavity intercommunication, the base export, air supply pedestal connection is in protective clothing and base export and protective clothing intercommunication, air supply mechanism sets up in base import or base export department in order to be used for realizing the air supply from base import to base export direction, base import department is connected with filter equipment, pressure differential detection mechanism sets up in air supply arrangement in order to be used for detecting the pressure differential of base import department and base exit, current detection mechanism sets up in air supply arrangement in order to be used for detecting power supply mechanism surplus electric quantity, wind speed detection mechanism sets up in air supply arrangement, in order to be used for detecting base import department or base exit air supply quantity. The protection device is convenient to operate.

Description

Protective device

Technical Field

The invention relates to the field of biology, in particular to a protective device.

Background

The protective clothing is the goods and materials equipment that laboratory, medical care institution etc. need high protection place and need, and current protective clothing is not energy-conserving, big noise to complex operation can't the man-machine interconnection.

Disclosure of Invention

In view of the above, there is a need for a protective device that is low in noise, compact, and easy to operate.

A protective device comprises a protective garment, an air supply device and a filtering device; the air supply device comprises an air supply base, an air supply mechanism, a display mechanism, a pressure difference detection mechanism, a current detection mechanism and an air speed detection mechanism, wherein the air supply base is provided with an installation cavity, a base inlet and a base outlet which are communicated with the installation cavity, the air supply base is also provided with a power supply installation position, the air supply base is connected with the protective clothing, the base outlet is communicated with the protective clothing, the air supply mechanism is arranged at the base inlet or the base outlet and is used for realizing air supply from the base inlet to the base outlet, the base inlet is connected with the filter device, the pressure difference detection mechanism is arranged in the air supply device and is used for detecting the pressure difference between the base inlet and the base outlet, the current detection mechanism is arranged in the air supply device and is used for detecting the residual electric quantity of the power supply mechanism, the wind speed detection mechanism is arranged in the air supply device and used for detecting the air supply quantity at the inlet of the base or the outlet of the base, and the display mechanism is connected to the air supply base and electrically connected with the pressure difference detection mechanism, the current detection mechanism and the wind speed detection mechanism.

In one embodiment, the air supply device further includes a power supply mechanism, the power supply mechanism is mounted at the power supply mounting position, and the power supply mechanism is electrically connected to the air supply mechanism, the display mechanism, the differential pressure detection mechanism, the current detection mechanism and the wind speed detection mechanism.

In one embodiment, the power supply mechanism is detachably connected to the power supply installation position.

In one embodiment, the power supply mechanism is a storage battery or a rechargeable battery;

the number of the power supply mechanisms is multiple, and the power supply mechanisms are connected in parallel.

In one embodiment, the air supply device further comprises a rotation speed detection mechanism, and the rotation speed detection mechanism is arranged on the air supply base and used for detecting the rotation speed of the air supply mechanism.

In one embodiment, the air supply device further includes a switch mechanism and an adjusting mechanism, the switch mechanism is electrically connected with the air supply mechanism for starting and stopping the air supply device, the adjusting mechanism includes a wind speed increment adjusting button and a wind speed decrement adjusting button which are arranged on the air supply base, and the wind speed increment adjusting button and the wind speed decrement adjusting button are respectively electrically connected with the air supply mechanism for respectively adjusting the rotation speed increase and the rotation speed decrease of the air supply mechanism.

In one embodiment, the protection device further comprises an alarm mechanism, the alarm mechanism is arranged on the protective clothing or on the air supply base, the alarm mechanism is electrically connected with the differential pressure detection mechanism, the current detection mechanism and the air speed detection mechanism, and when the differential pressure value detected by the differential pressure detection mechanism exceeds a differential pressure preset range, or the residual electric quantity value detected by the current detection mechanism exceeds a flow preset range, or the air supply quantity at the inlet of the base or at the outlet of the base exceeds a preset range, the alarm mechanism starts an alarm.

In one embodiment, the alarm mechanism comprises one or more of an indicator light, a vibrator, and a buzzer.

In one embodiment, the protection device further comprises a wireless connection mechanism, the wireless connection mechanism is electrically connected with the differential pressure detection mechanism, the wind speed detection mechanism, the current detection mechanism and the rotating speed detection mechanism, and the wireless connection mechanism is further wirelessly connected with a display terminal;

the wireless connection mechanism is one or more of a Bluetooth radio frequency module, a 3G signal module, a 4G signal module and a 5G signal module.

In one embodiment, the protective clothing is provided with an air inlet, and the air supply device further comprises an air supply pipe, and two ends of the air supply pipe are respectively communicated with the air inlet and the base outlet.

In one embodiment, the protective clothing comprises a protective clothing main body, a head cover and protective shoes, wherein the head cover is in sealing connection with the neck of the protective clothing main body, the protective shoes are in sealing connection with the feet of the protective clothing main body, the head cover and the protective shoes are connected to form an integrated structure, a wearing opening for a user to enter is formed in the protective clothing main body, a sealing piece is arranged at the wearing opening and used for opening or closing the wearing opening, and an air inlet used for being connected with an air supply device is further formed in the head cover.

The protection device has the advantages of low noise, compact structure, light weight and convenient operation, integrates the air supply base, the air supply mechanism, the display mechanism, the pressure difference detection mechanism, the air speed detection mechanism and the current detection mechanism into a whole, and displays the pressure difference value detected by the pressure difference detection mechanism, the air supply quantity detected by the air speed detection mechanism and the current value detected by the current detection mechanism through the display mechanism, so that a user can conveniently check the real-time parameter value of the protection device, and the protection device is convenient to adjust.

Compared with the traditional protective clothing, the protective device has the following beneficial effects:

(1) the protection device disclosed by the invention feeds back the pressure difference value detected by the pressure difference detection mechanism, the air supply quantity detected by the air speed detection mechanism, the current value of the air supply mechanism detected by the current detection mechanism and the rotating speed value of the air supply mechanism detected by the rotating speed detection mechanism to the display mechanism, so that a user can quickly obtain the corresponding numerical value, and the operation is convenient.

(2) The protection device can directly adjust the wind speed through the wind speed increment adjusting button and the wind speed decrement adjusting button which are arranged on the air supply base, and is simple and convenient to operate.

(3) The invention can improve the use safety by arranging the alarm mechanism, when the pressure difference value detected by the pressure difference detection mechanism exceeds the pressure difference preset range, or the flow value detected by the current detection mechanism exceeds the flow preset range, or the air supply quantity at the inlet of the base or the outlet of the base exceeds the preset range, the alarm mechanism gives an alarm to remind a user, and once important parameters such as wind speed, current, pressure difference, rotating speed and the like are abnormal, the alarm mechanism can give an early warning to prompt the user to carry out corresponding operation.

(4) The invention can realize wireless connection with the display terminal by arranging the wireless connection mechanism such as the Bluetooth radio frequency module, the 3G signal module, the 4G signal module and the 5G signal module, and feeds back various parameter values on the protective device used by a user to the display terminal, thereby achieving the purpose of remote monitoring.

Drawings

FIG. 1 is a schematic view of a filter assembly according to an embodiment of the present invention;

FIG. 2 is a side schematic view of the filter assembly shown in FIG. 1;

FIG. 3 is a schematic top view of the filter assembly shown in FIG. 1;

FIG. 4 is a schematic view of a filter device according to an embodiment of the present invention;

FIG. 5 is a schematic view of a portion of the filter apparatus shown in FIG. 4;

FIG. 6 is a schematic side cross-sectional view of a portion of the filter apparatus shown in FIG. 4;

FIG. 7 is a schematic view of a protective device according to an embodiment of the present invention;

FIG. 8 is a rear schematic view of the guard shown in FIG. 7;

FIG. 9 is a schematic view of an air supply device of the shielding device shown in FIG. 7;

fig. 10 is a rear view of the blower shown in fig. 9.

Description of the reference numerals

10. A filtration device; 110. a filter assembly; 111. a filter member; 112. a connecting portion; 120. a filter; 121. a filter chamber 122, an inlet end; 123. an outlet end; 124. a separator; 125. a connecting member; 127. an air inlet sub-channel; 128. a mounting member; 20. a guard; 210. protective clothing; 211. a protective garment body; 212. a head cover; 213. protective shoes; 214. a seal member; 215. wide elastic bands; 2161. a first elastic band; 2162. a second elastic band; 2163. a third elastic band; 217. connecting holes; 220. an air supply device; 221. an air supply base; 2211. a base outlet; 2212. a retaining ring; 222. a display mechanism; 223. a power supply mechanism; 2241. a wind speed increment adjustment button; 2242. a wind speed decrement adjustment button; 225. a switch button; 225. and an air supply pipe.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In the description of the present invention, it should be understood that the terms used in the present invention are used in the description of the present invention, and it should be understood that the directions or positional relationships indicated by the terms "center", "upper", "lower", "bottom", "inner", "outer", etc. in the present invention are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening elements, or they may be in communication within two elements, i.e., when an element is referred to as being "secured to" another element, it may be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, one embodiment of the present invention provides a filter assembly 110.

Referring to fig. 1-3, a filter assembly 110 includes a plurality of filter elements 111. The filtering pieces 111 are distributed in sequence, and the adjacent filtering pieces 111 are connected end to end in a sealing way and form a filter body with a circuitous structure. The filter body has a meandering first filter surface and a meandering second filter surface distributed in its radial direction. The first filtering surface is for contacting air to be filtered and the second filtering surface is for releasing filtered gas.

In one specific example, the joints 112 are formed at the end-to-end connection of adjacent filter elements 111.

In one specific example, the connection portions 112 on each side of the filter body are in the same plane.

In one specific example, the spacing between adjacent connecting portions 112 on each side of the filter body is 2-5 mm.

In one specific example, the thickness between the two sides of the filter body is 10-50mm, i.e. the maximum thickness between the first filter surface and the second filter surface is 10-50 mm. For example, in one embodiment, the thickness between the two sides of the filter body is 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, or other values. Preferably, the thickness between the two sides of the filter body is 26 mm.

In one specific example, the filter member 111 is filter paper having a filtering efficiency of not less than 99.99%.

In one specific example, the filter elements 111 are connected in a unitary structure. In this case, a sheet of filter paper may be folded in a meandering manner during processing. The filter paper can be square, round and the like.

In one specific example, the filter member 111 has a sheet-like structure.

In one specific example, the included angle between adjacent filter elements 111 is 20 ° to 40 °; for example, in one embodiment, the included angle between adjacent filter elements 111 is 20 °, 25 °, 30 °, 35 °, 40 °, or other values.

In one embodiment, the angles between adjacent filter elements 111 are equal.

In one particular example, the radial shape of the filter body is circular.

The filtering component 110 of the invention aims to improve the performance of the filtering element, optimizes the structure, has simple structure, high filtering efficiency, simple processing and manufacturing and low cost, achieves the filtering effect of 99.99 percent, can be used at one time, and solves the problems and the defects of the prior art.

The filter assembly 110 of the present invention employs a filter material having low air resistance and high filtration efficiency, such as filter paper having a filtration efficiency of not less than 99.99%. When the filter assembly 110 is processed and manufactured, the high-efficiency filter element can be formed by multilayer circuitous folding, the filter area and the permeability can be greatly increased by researching and optimizing the folded state and the filter material, the multilayer composite matching of the filter piece 111 is a key technology, the impurities can be effectively filtered by reasonable lamination composite, and the pollutant carrying capacity of the filter piece can be greatly enhanced.

Referring to fig. 4-6, a filter device 10 is further provided according to an embodiment of the present invention.

Referring to fig. 4-6, a filtering apparatus 10 includes a filter 120 and a filtering assembly 110.

The filter 120 has a filter cavity and a filter inlet and a filter outlet communicating with the filter cavity; filter assembly 110 sets up in the filter chamber and filter assembly 110's radial direction edge and the inner wall sealing connection of filter chamber, filter assembly 110 includes a plurality of filter pieces 111, filter piece 111 distributes in proper order and adjacent filter piece 111 end to end sealing connection and be the filter body of circuitous structure, the filter body has the circuitous first filtration surface and the circuitous second filtration surface of distributing in its radial direction, first filtration surface is towards filtering the import, the second filtration surface is towards filtering the export, first filtration surface is used for contacting the air of waiting to filter, the second filtration surface is used for releasing the gas after filtering.

In one specific example, the filter 120 is a cylindrical structure. One end of the filter 120 forms an inlet end and the opposite end forms an outlet end 123, with the filter inlet being located at the end face of the inlet end and the filter outlet being located at the end face of the outlet end 123.

In one specific example, the filter 120 further includes a partition 124 and a connector 125, and the partition 124 is connected to the inlet end through the connector 125 and partitions the filter inlet into a plurality of air inlet passages. According to the filter device 10, the partition 124 and the connecting piece 125 are arranged, so that the filter inlet is divided into a plurality of air inlet channels, on one hand, the partition 124 can effectively protect the stability of the filter inlet, and on the other hand, the partition 124 can protect the filter assembly 110 at the filter inlet from deformation.

In one specific example, the partitions 124 are annular, the number of the partitions 124 is multiple, the sizes of the partitions 124 are different, the partitions 124 are distributed around the same center, adjacent partitions 124 are connected by at least one connecting member 125, and air inlet channels are formed between the adjacent partitions 124 and between the partitions 124 and the edge of the filtering inlet. According to the filter device 10, the annular separating pieces 124 are arranged, the number of the separating pieces 124 is multiple, and the separating pieces 124 are distributed around the same circle center, so that the separating pieces 124 and the connecting pieces 125 at the filtering inlet form an approximately net-shaped structure, and therefore, on one hand, external foreign matters can be effectively prevented from being sucked into the filter 120, and on the other hand, the filter assembly 110 in the filter 120 can be protected from being extruded and deformed.

In one specific example, the number of the connecting members 125 is multiple, and the multiple connecting members 125 divide the air intake channel into multiple air intake sub-channels 127.

In one specific example, the connections 125 between adjacent dividers 124 are evenly distributed.

In one specific example, the partition 124 is disposed obliquely. The filtering device 10 of the present invention is provided with the partition 124 disposed obliquely, and the inner side of the partition 124 close to the center of the circle protrudes out of the outer side of the partition 124 far from the center of the circle, so that the effective air intake area between the adjacent partitions 124 is increased, and the air intake of the inner air intake channel between units is increased.

In one specific example, the inner side of the partition 124 near the center of the circle protrudes more than the outer side of the partition 124 away from the center of the circle.

In one specific example, the inner edges of the partitions 124 are in the same plane, and the outer edges of the partitions 124 are in the same plane.

In one specific example, the spacing between adjacent dividers 124 is equal.

In one embodiment, the filter 120 has a cylindrical structure, the partition 124 has a circular ring structure, the filter inlet and the filter outlet have circular shapes, and the air inlet channel has a circular ring structure. It is understood that in other embodiments, the structure and shape of the filter 120 are not limited to the above, and the structure and shape of the filter 120 may also be a square pillar structure, an oval pillar structure, a triangular pillar structure, or other polygonal pillar structures, etc.

In one specific example, the filter 120 further includes a mounting member 128, the mounting member 128 having a communication passage therethrough, the mounting member 128 being connected to the outlet end 123 of the filter 120 and the communication passage being in communication with the filtered outlet. The mounting member 128 is used to effect the mounting and attachment of the entire filter apparatus 10 to the protective suit 210.

In one specific example, the mounting member 128 has one end connected to the outlet end 123 and the other end protruding from the end surface of the outlet end 123, and the outer wall of the mounting member 128 has an external thread.

Further, the length of the filter device 10 in the axial direction, that is, the total length of the filter 120 and the mounting member 128, is 50 to 80 mm. In one embodiment, the length of the filter device 10 in the axial direction is 50mm, 55mm, 58mm, 60mm, 65mm, 70mm, 75mm, 76mm, 80mm or other values.

In one specific example, the filter device 10 further includes a connection assembly for achieving a sealing connection between the filter assembly 110 and an inner wall of the filter 120, such that air at the filter inlet of the filter 120 can be discharged from the filter outlet only after being filtered by the filter assembly 110. The connecting component can be sealant, double-sided adhesive or adhesive, etc.

The filtering device 10 of the present invention achieves the purpose of high filtering efficiency, simple processing and manufacturing, low cost and disposable use by arranging the filtering component 110, and solves the problems and disadvantages of the prior art.

An embodiment of the present invention also provides a guard 20.

Referring to fig. 7-8, a protection device 20 includes a protective suit 210, an air supply device 220, and a filter device 10.

The protective suit 210 is provided with an air inlet.

Referring to fig. 9-10, the blowing device 220 includes a blowing base 221, a blowing mechanism, a display mechanism 222, a pressure difference detection mechanism, a wind speed detection mechanism, and a current detection mechanism. The differential pressure detection mechanism, the wind speed detection mechanism, and the current detection mechanism are not shown in the drawings.

The air supply base 221 is provided with a mounting chamber, a base inlet communicated with the mounting chamber, and a base outlet 2211, the air supply base 221 is further provided with a power supply mounting position, the air supply base 221 is connected to the protective suit 210, and the base outlet 2211 is communicated with an air inlet of the protective suit 210.

The air supply mechanism is disposed at the base inlet or base outlet 2211 for supplying air from the base inlet to the base outlet 2211.

The inlet of the base is connected with a filtering device 10, and the filtering device 10 of the present embodiment can adopt the filtering device 10.

The pressure difference detection mechanism is provided on the blower base 221 for detecting a pressure difference at the base inlet and at the base outlet 2211.

The wind speed detection mechanism is provided in the blowing base 221 to detect the blowing amount at the base inlet and the base outlet 2211.

The display mechanism 222 is connected to the blowing base 221 and electrically connected to the differential pressure detection mechanism, the wind speed detection mechanism and the current detection mechanism.

In one specific example, the air supply device 220 further includes a power supply mechanism 223, the power supply mechanism 223 is installed at the power supply installation position, and the power supply mechanism 223 is electrically connected to the air supply mechanism, the display mechanism 222, the air speed detection mechanism, the differential pressure detection mechanism, and the current detection mechanism.

The current detection mechanism is provided on the air blowing base 221 for detecting the remaining power of the power supply mechanism 223.

In one specific example, the power supply mechanism 223 is removably coupled to the power supply mounting location.

In one specific example, the power supply mechanism 223 is a battery or a rechargeable battery.

And/or, the number of the power supply means 223 is plural, and the plural power supply means 223 are connected in parallel.

In one specific example, the air blowing device 220 further includes a current detection mechanism, which is disposed on the air blowing base 221 to detect the current of the air blowing mechanism.

In one specific example, the air blowing device 220 further includes a rotation speed detection mechanism, which is disposed on the air blowing base 221 for detecting the rotation speed of the air blowing mechanism.

In one specific example, the air supply device 220 further includes an adjusting mechanism and a switch mechanism 225, the switch mechanism 225 is electrically connected to the air supply mechanism, and the switch button 225 is used for controlling the start and stop of the air supply mechanism. Adjustment mechanism is including setting up wind speed increment adjustment button 2241 and wind speed decrement adjustment button 2242 on air supply base 221, and wind speed increment adjustment button 2241 and wind speed decrement adjustment button 2242 respectively with air supply mechanism electric connection, and wind speed increment adjustment button 2241 is used for adjusting the rotational speed increase of air supply mechanism, and wind speed decrement adjustment button 2242 is used for adjusting the rotational speed reduction of air supply mechanism.

In one specific example, the protection device 20 further includes an alarm mechanism, the alarm mechanism is disposed on the protective suit 210 or on the air supply base 221, and the alarm mechanism is electrically connected to the differential pressure detection mechanism, the current detection mechanism and the air speed detection mechanism, and when the differential pressure value detected by the differential pressure detection mechanism exceeds a preset differential pressure range, or the residual electric quantity value detected by the current detection mechanism exceeds a preset flow range, or the air supply amount at the base inlet or the base outlet 2211 exceeds a preset flow range, the alarm mechanism gives an alarm.

In one particular example, the alert mechanism includes an indicator light, a vibrator, and/or a buzzer.

In one specific example, the protection device 20 further includes a wireless connection mechanism, the wireless connection mechanism is electrically connected to the differential pressure detection mechanism, the wind speed detection mechanism, the current detection mechanism and the rotation speed detection mechanism, and the wireless connection mechanism is further wirelessly connected to the display terminal.

And/or the wireless connection mechanism is one or more of a Bluetooth radio frequency module, a 3G signal module, a 4G signal module and a 5G signal module.

Further, the air supply device 220 further includes an air supply pipe 225, and both ends of the air supply pipe 225 are respectively communicated with the air inlet and the base outlet 2211. Preferably, the blowing duct 225 is screw-coupled to the blowing base 221 to realize a detachable coupling. It should be understood that other detachable connection means can be used between the blower tube 225 and the blower base 221.

Furthermore, the blowing base 221 is further provided with a buckle 2212 for the connecting belt 217 to pass through. The connecting belt 217 can be tied to the protective suit 210 after passing through the buckle 2212 to realize the detachable connection between the air supply device 220 and the protective suit 210.

Referring to fig. 7-8, the protective suit 210 includes a main body 211, a head cover 212, and shoes 213. The hood 212 is sealingly connected to the neck of the body 211 of the suit. The shoes 213 are sealingly connected to the foot of the suit body 211. The protective suit main body 211, the head cover 212 and the protective shoes 213 are connected to form an integrated structure. The protective clothing main body 211 is provided with a wearing opening for a user to enter. A seal 214 is provided at the wearing opening. The seal 214 is used to open or close the wearing opening. The hood 212 is also provided with an air inlet connected to an air supply device 220.

In one embodiment, the seal 214 is a zipper.

In one embodiment, the hood 212 is a transparent hood 212. The protective suit 210 of the invention is provided with the transparent head cover 212 as the head cover 212, thus improving the visual field range of a user, avoiding the visual field limitation of the traditional protective suit 210 when the user uses the protective suit 210 of the invention, and obtaining a larger visual field by directly twisting the head and neck without twisting the body in a large area in the using process.

In one embodiment, a wide elastic band 215 is disposed at the cuff of the body 211, and the wide elastic band 215 surrounds the cuff of the body 211 and gathers the cuff of the body 211.

And/or, wide elastic band 215 encircles the cuff of body 211 for at least one revolution. According to the protective suit 210 disclosed by the invention, the wide elastic bands 215 are arranged at the cuffs of the protective suit main body 211, so that the safety performance of the cuffs of the protective suit main body 211 is improved, and external pollutants are prevented from directly entering the protective suit 210 from the cuffs.

In one embodiment, first elastic bands 2161 are disposed at the sleeve arms of body 211 of the garment.

And/or first elastic band 2161 may be wrapped around the arm of the body 211 of the suit at least once.

In one embodiment, second elastic bands 2162 are provided on the upper body portion of apparel body 211.

And/or second elastic band 2162 may encircle the upper torso part of apparel body 211 at least one circumference. The protective suit 210 of the invention can realize small gradient of positive pressure in the protective suit main body 211 by arranging the first elastic band 2161 and the second elastic band 2162, because the head cover 212 of the protective suit 210 of the invention is provided with the air inlet, when the filtered clean air enters the protective suit 210, the pressure from the head to the feet of the protective suit 210 can be gradually reduced, the filtered clean air can be mainly supplied to the head cover 212, the lower half of the protective suit main body 211 does not need to be supplied with air, resources are greatly saved, and the use efficiency of the air supply device 220 and the filter device 10 is improved.

In one embodiment, second elastic band 2162 is located adjacent to the waist of apparel body 211.

In one embodiment, leg portions of body 211 are provided with third elastic bands 2163;

and/or third elastic band 2163 may encircle at least one leg of apparel body 211.

In one embodiment, the back of the body 211 of the protective suit is provided with at least two connection holes for fixing the filtering device 10 connected to the air blowing device 220. When installed, the main body portion of the air supply device 220 is disposed inside the protective clothing main body 211, and the filter device 10 is located outside the protective clothing main body 211. The filtering device 10 is screwed with the main body of the air supply device 220.

In one embodiment, the sleeve arms of the main body 211 of the protective suit are provided with control buttons electrically connected with the air blowing device 220. According to the protective suit 210, the control buttons electrically connected with the air supply device 220 are arranged at the sleeve arms of the protective suit main body 211, so that the convenience in operation can be improved, and a user can realize man-machine interaction with the air supply device 220 through operation at the sleeve arms of the protective suit 210, so that the operation is convenient.

The protective suit 210 integrates the protective suit main body 211, the head cover 212 and the protective shoes 213 into a whole, so that the safety performance of the protective suit 210 is greatly improved, the safety level of the protective suit 210 is improved, and the protective suit 210 can be used in heavily polluted or high-risk areas.

The protection device 20 of the invention has small noise, compact structure, light weight and convenient operation, integrates the air supply base 221, the air supply mechanism, the display mechanism 222, the pressure difference detection mechanism, the air speed detection mechanism and the current detection mechanism into a whole, and displays the pressure difference value detected by the pressure difference detection mechanism, the air supply quantity detected by the air speed detection mechanism and the flow value detected by the current detection mechanism through the display mechanism 222, thereby facilitating the user to check the real-time parameter value of the protection device 20 and being convenient for adjustment.

Compared with the traditional protective clothing 210, the protective device 20 of the invention has the following beneficial effects:

(1) the protection device 20 of the present invention feeds back the differential pressure value detected by the differential pressure detection mechanism, the current value of the power supply mechanism detected by the current detection mechanism, the air output detected by the air speed detection mechanism, and the rotation speed value of the air supply mechanism detected by the rotation speed detection mechanism to the display mechanism 222, so that a user can quickly obtain the corresponding values, and the operation is convenient.

(2) The protection device 20 of the present invention can directly adjust the wind speed by the wind speed increment adjusting button 2241 and the wind speed decrement adjusting button 2242 provided on the air supply base 221, and is easy and convenient to operate.

(3) The invention can improve the use safety by arranging the alarm mechanism, when the differential pressure value detected by the differential pressure detection mechanism exceeds the differential pressure preset range, or the current value detected by the current detection mechanism exceeds the current preset range, and the air supply volume detected by the air speed detection mechanism exceeds the preset range, the alarm mechanism gives an alarm to remind a user, and once the important parameters such as the air speed, the current, the differential pressure, the rotating speed and the like are abnormal, the alarm mechanism can give an early warning to prompt the user to carry out corresponding operation.

(4) The invention can realize wireless connection with the display terminal by arranging the wireless connection mechanism such as the Bluetooth radio frequency module, the 3G signal module, the 4G signal module and the 5G signal module, and feeds back various parameter values on the protective device 20 used by a user to the display terminal, thereby achieving the purpose of remote monitoring.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (11)

1. A protective device is characterized by comprising a protective garment, an air supply device and a filtering device; the air supply device comprises an air supply base, an air supply mechanism, a display mechanism, a pressure difference detection mechanism, a current detection mechanism and an air speed detection mechanism, wherein the air supply base is provided with an installation cavity, a base inlet and a base outlet which are communicated with the installation cavity, the air supply base is also provided with a power supply installation position, the air supply base is connected with the protective clothing, the base outlet is communicated with the protective clothing, the air supply mechanism is arranged at the base inlet or the base outlet and is used for realizing air supply from the base inlet to the base outlet, the base inlet is connected with the filter device, the pressure difference detection mechanism is arranged in the air supply device and is used for detecting the pressure difference between the base inlet and the base outlet, the current detection mechanism is arranged in the air supply device and is used for detecting the residual electric quantity of the power supply mechanism, the wind speed detection mechanism is arranged in the air supply device and used for detecting the air supply quantity at the inlet of the base or the outlet of the base, and the display mechanism is connected to the air supply base and electrically connected with the pressure difference detection mechanism, the current detection mechanism and the wind speed detection mechanism.

2. The protection device of claim 1, wherein the air supply device further comprises a power supply mechanism, the power supply mechanism is mounted at the power supply mounting position, and the power supply mechanism is electrically connected with the air supply mechanism, the display mechanism, the differential pressure detection mechanism, the current detection mechanism and the air speed detection mechanism.

3. The guard of claim 2, wherein the power mechanism is removably connected to the power mount.

4. Guard means according to claim 2 or 3 characterised in that the power supply means is an accumulator or rechargeable battery;

the number of the power supply mechanisms is multiple, and the power supply mechanisms are connected in parallel.

5. The protector according to any one of claims 1 to 3, wherein the air supply device further includes a rotation speed detection mechanism, and the rotation speed detection mechanism is provided on the air supply base to detect a rotation speed of the air supply mechanism.

6. The protection device according to any one of claims 1 to 3, wherein the air supply device further comprises a switch mechanism and an adjustment mechanism, the switch mechanism is electrically connected with the air supply mechanism for starting and stopping the air supply device, the adjustment mechanism comprises an air speed increment adjustment button and an air speed decrement adjustment button which are arranged on the air supply base, and the air speed increment adjustment button and the air speed decrement adjustment button are respectively electrically connected with the air supply mechanism for respectively adjusting the rotation speed increase and the rotation speed decrease of the air supply mechanism.

7. The protective device according to any one of claims 1 to 3, further comprising an alarm mechanism, wherein the alarm mechanism is disposed on the protective suit or on the air supply base, the alarm mechanism is electrically connected to the differential pressure detection mechanism, the current detection mechanism and the air speed detection mechanism, and the alarm mechanism activates an alarm when the differential pressure value detected by the differential pressure detection mechanism exceeds a preset differential pressure range, or the residual electric quantity value detected by the current detection mechanism exceeds a preset flow range, or the air supply quantity at the inlet of the base or at the outlet of the base exceeds a preset flow range.

8. The shielding device of claim 7, wherein the alarm mechanism comprises one or more of an indicator light, a vibrator, and a buzzer.

9. The protection device according to claim 1, further comprising a wireless connection mechanism, wherein the wireless connection mechanism is electrically connected to the differential pressure detection mechanism, the wind speed detection mechanism, the current detection mechanism and the rotation speed detection mechanism, and is further wirelessly connected to a display terminal;

the wireless connection mechanism is one or more of a Bluetooth radio frequency module, a 3G signal module, a 4G signal module and a 5G signal module.

10. The protective device according to any one of claims 1 to 3, wherein the protective suit is provided with an air inlet, the air supply device further comprises an air supply pipe, and two ends of the air supply pipe are respectively communicated with the air inlet and the base outlet.

11. The protective device according to any one of claims 1 to 3, wherein the protective suit comprises a protective suit main body, a head cover and protective shoes, the head cover is connected with the neck of the protective suit main body in a sealing manner, the protective shoes are connected with the feet of the protective suit main body in a sealing manner, the protective suit main body, the head cover and the protective shoes are connected to form an integrated structure, a wearing opening for a user to enter is formed in the protective suit main body, a sealing piece is arranged at the wearing opening and used for opening or closing the wearing opening, and an air inlet for being connected with an air supply device is further formed in the head cover.

Images