CN219182867U - Electric shock prevention protective clothing - Google Patents
Electric shock prevention protective clothing Download PDFInfo
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- CN219182867U CN219182867U CN202320025279.3U CN202320025279U CN219182867U CN 219182867 U CN219182867 U CN 219182867U CN 202320025279 U CN202320025279 U CN 202320025279U CN 219182867 U CN219182867 U CN 219182867U
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- 239000003063 flame retardant Substances 0.000 claims abstract description 12
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 11
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
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Abstract
The embodiment of the utility model provides an electric shock prevention protective garment, and belongs to the field of protective garments. The electric shock protection suit comprises a plurality of wearing parts which are formed into a conductive whole; the fabric of the electric shock protection suit comprises a wear-resistant outer layer, an electric shock protection layer and a flame-retardant inner liner layer; the electric shock prevention layer is composed of metal fibers. The electric shock protection clothing of the utility model utilizes the principle that the electric skin effect and the metal ball are placed in a strong electric field, and the internal electric field is zero, so that the electric shock casualties caused by the fact that current flows into human bodies when workers enter or touch electrified facilities or lines by mistake can be avoided.
Description
Technical Field
The utility model relates to the field of protective clothing, in particular to novel electric shock prevention protective clothing.
Background
The main cause of personal injury and death in electric shock accidents is that the human body receives electric shock of current so that the heart is overloaded to cause the personal injury and death. When the current flowing through the human body is smaller, the human body can not generate dangerous pathophysiological effects, but when the current flowing through the human body is larger, the human body can generate dangerous pathophysiological effects, ventricular fibrillation and even asphyxia can be generated along with the increase of the current and the increase of the time, and the life of the human body can be taken out in the moment or within two or three minutes.
The main types of electric shock accidents commonly seen at present are electric shock caused by direct contact of a human body with a charged body, electric discharge electric shock caused by indirect contact of the human body with the charged body, and step voltage electric shock. The minimum current value that usually causes human perception is called perceived current, the alternating current is 1mA, and the direct current is 5mA; the maximum current which can be escaped by the person after the person gets an electric shock is called escaped current, the alternating current is 10mA, and the direct current is 50mA; the life-threatening current in a short time is called a fatal current, for example, a current of 100mA passes through the human body for 1s, which is enough to make the human body fatal, and thus the fatal current is 50mA.
Because the electric power relates to various industries of society and aspects of life of people, certain electrified bodies (high-voltage equipment) often cannot take shielding and insulating measures, the metal shell of part of the electrified equipment is protected and poorly grounded or is missed, and operators mistakenly enter or mistakenly touch the electrified bodies to cause personal electric shock accidents. In order to avoid electric shock accidents, the current common electric shock prevention technical measures mainly include the following steps:
(1) Adopting shielding or insulating measures on the charged body;
(2) The metal shell of the electrified equipment is protected and grounded;
(3) The electric operators are required to wear insulating shoes, insulating gloves or electric shock prevention work clothes.
Common anti-electric shock work clothes are generally composed of a coat, gloves, trousers and shoes (shown in figure 1), and are all woven by cotton fibers and metal wires. After the anti-electric shock working clothes are worn, when a body touches a charged body, current flows into the ground or is transmitted alternately along the metal wires of the anti-electric shock working clothes, so that a large amount of current can be prevented from passing through a human body, and the safety of the human body is protected. However, this solution has the following drawbacks:
(1) The common electric shock protection work clothes coat lacks a head cover for protecting the head, once the head touches a charged body, current flows through the head and the body of a person, and finally flows into the ground or is transmitted alternatively through the electric shock protection work clothes, so that death of the person is accelerated;
(2) The common electric shock prevention working clothes are made of cotton fibers and metal wires, and the risk of high-temperature burn to human bodies caused by high-voltage arc breakdown is existed;
(3) The common electric shock-proof working clothes have no wear-resistant and moisture-proof functions, and are easy to damage and deteriorate by metal fibers of the inner layer in the use process, so that the use efficiency of the common electric shock-proof working clothes is greatly reduced.
Therefore, in order to better protect personal safety of operators, on the basis of the existing electric shock prevention technical measures, a novel electric shock prevention protective garment is required to be provided to solve the problems.
Disclosure of Invention
In order to achieve the above object, an embodiment of the present utility model provides an electric shock protection suit including a plurality of wearing parts formed as one conductive whole;
the fabric of the electric shock protection suit comprises a wear-resistant outer layer, an electric shock protection layer and a flame-retardant inner liner layer;
the electric shock prevention layer is composed of metal fibers.
Preferably, the wear-resistant outer layer is canvas fabric, the flame-retardant inner liner is silica fiber cloth, and the electric shock prevention layer is composed of copper ion fibers.
Preferably, the anti-shock protective garment is one-piece, having a closable opening and a connector capable of conducting electricity and electrically connecting the opening.
Preferably, at least two of the plurality of wearing parts are separated from each other, and the electric shock protection suit further comprises a connector capable of conducting electricity and electrically connecting the separated wearing parts.
Preferably, the connector is a copper zipper, insulating pieces are arranged on two sides of the copper zipper, and the insulating pieces are made of silicone fiber cloth.
Preferably, the wearing part comprises a coat, trousers, a head cover, shoes, and gloves.
Preferably, the jacket and the headgear are connected into a whole, the headgear is provided with a hole, and the edge of the hole is provided with a circle of rubber insulation piece.
Preferably, the coat and the glove, the coat and the trousers, and the trousers and the shoes are designed separately, and are electrically connected by the connectors respectively.
Preferably, the shoe is an insulated shoe, the vamp of the insulated shoe is provided with a copper ion fiber cloth layer, the sole of the shoe is provided with a metal grounding plate, and the metal grounding plate is electrically connected with the copper ion fiber cloth layer of the vamp.
Preferably, the thickness of the flame retardant inner liner layer ranges from 0.2 to 0.5mm.
Through the technical scheme, the novel electric shock protection suit utilizes the principle that the electric skin effect and the metal ball are placed in a strong electric field, and the internal electric field is zero, so that electric shock casualties caused by current flowing into a human body when workers enter or touch electrified facilities or lines by mistake can be avoided.
Other beneficial effects of the utility model are as follows:
(1) The wear-resistant dampproof canvas is attached to the outer layer of the novel electric shock protection garment, so that the problems of damage and corrosion deterioration of copper ion fibers can be effectively avoided, and the use effect and the utilization rate of products are greatly improved;
(2) The novel electric shock protection garment inner liner adopts the insulating flame-retardant high-temperature-resistant high-silicon-oxygen-resistant fiber cloth, so that the direct contact between the surface of a human body and the conductive copper ion fiber cloth can be avoided, and the risks of electric shock and electric burn accidents of the human body are effectively prevented;
(3) The novel electric shock protection protective clothing is additionally provided with the headgear, so that the head of a worker can be effectively protected when touching the electrified body;
(4) The sole of the novel electric shock protection suit is provided with the metal grounding plate with good electric conduction, so that electric shock current can flow into the ground;
(5) The human body can be protected under different scenes such as single-phase electric shock, double-phase electric shock, step voltage and the like.
Additional features and advantages of embodiments of the utility model will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain, without limitation, the embodiments of the utility model. In the drawings:
FIG. 1 is a schematic diagram of the appearance of a common anti-electric shock work clothes;
FIG. 2 is an electrical "skin effect" schematic;
FIG. 3 is a schematic diagram of the fabric composition of the anti-electric shock protective clothing of the present utility model;
FIG. 4 is a schematic view of the overall appearance of the anti-electric shock protective garment of the present utility model;
FIG. 5 is a schematic view of the sole of the anti-shock protective garment of the present utility model;
FIG. 6 is a schematic diagram of the primary path of a single phase shock current along the flow of protective apparel;
FIG. 7 is a schematic diagram of two phase electric shock currents along the main path of the protective garment flow;
fig. 8 is a schematic diagram of the step voltage current along the primary path of the protective garment flow.
Reference numerals:
s1, an outer layer; s2, an electric shock prevention layer; s3, an inner liner layer;
1. a coat; 2. trousers; 3. a glove; 4. shoes; 5. a head cover; 6. a connector; 7. a metal grounding plate; 8. a flexible wire; 9. a live conductor; 10. and (3) the earth.
Detailed Description
The following describes the detailed implementation of the embodiments of the present utility model with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
The novel electric shock protection suit of the utility model comprises a plurality of wearing parts and corresponding connectors 6, wherein the connectors 6 can conduct electricity and form the wearing parts into a conductive whole. The novel anti-electric shock protective clothing of the utility model utilizes the electrical skin effect, namely, as shown in figure 2, when alternating current or alternating electromagnetic field exists in a conductor, current is concentrated on the outer surface layer of the conductor, the current density is higher near the surface of the conductor, and the current density of the central part of the conductor is basically zero, namely, almost no current flows. Meanwhile, the novel electric shock protection suit also utilizes the Faraday cage principle, namely the principle that metal balls are placed in a strong electric field and the internal electric field is zero. The operation personnel wear the protective clothing just like people put in the inside of a conductor, when the human body mistakenly enters or mistakenly touches the live body, the current flowing through the human body is basically zero, and the live operation can be performed on a high-voltage line, so that the stimulation of a strong electric field to the live operation personnel, such as 'electric wind', 'electricity tingling', and the like, is effectively prevented, and the safety of the operation personnel is effectively protected.
As shown in fig. 3, the novel fabric of the electric shock protection suit comprises an outer layer S1, an electric shock protection layer S2 and an inner liner layer S3. Wherein, the outer layer S1 may be wear-resistant and moisture-proof canvas fabric, for example, may be selected from 12-inch canvas with the following specifications: the thickness is 0.15mm, the yarn weave is 10s/2 multiplied by 10s/2, the density is 43 x 27, the problems of damage and corrosion deterioration of copper ion fiber can be effectively avoided, and the use effect and the utilization rate of the product are greatly improved. The electric shock protection layer S2 is mainly made of a metal fiber material with high conductivity, preferably a copper ion fiber material, for example, a fine copper wire with the diameter of 0.05mm can be mixed with high flame retardant fibers. The inner liner S3 can be cotton cloth, preferably insulating flame-retardant high-temperature-resistant silica fiber cloth, has the characteristics of wear resistance, moisture resistance, flame retardance, high temperature resistance and insulation with a human body, has the thickness range of 0.2-0.5mm, preferably 0.36mm, can avoid direct contact between the surface of the human body and the conductive copper ion fiber cloth, and can effectively prevent the risk of electric shock and electric burn accidents of the human body.
Alternatively, the anti-shock protective suit is one-piece, in which embodiment the anti-shock protective suit has a closable opening, the connector 6 electrically connecting the opening.
Optionally, at least two of the plurality of wearing parts are separated from each other, and the connector 6 electrically connects the separated wearing parts.
The connector 6 may be a copper zipper, and preferably, both inner and outer sides of the copper zipper are respectively provided with cotton or canvas skirts, such as silicone fiber cloth, to prevent the human body from directly contacting with the charged body.
As shown in fig. 4, the wearing part generally includes a coat 1, trousers 2, gloves 3, and shoes 4, wherein the coat 1 and the gloves 3, the coat 1 and the trousers 2, and the bottoms of the trousers 2 and the shoes 4 are designed separately from each other, and are electrically connected by the connectors 6, so that each part of the protective garment is connected into a conductive whole.
Preferably, the wearing part further comprises a headgear 5, and the jacket 1 and the headgear 5 may be separate or integrally connected. To facilitate normal vision and breathing of the operator, one or more holes may be left in the headgear 5, the edges of the holes may be provided as a ring of rubber insulating material, and the diameters of the holes may be adaptively adjusted according to the number and positions of the holes. Preferably, the head cover 5 is provided with a hole with the diameter of 200 mm. Optionally, three holes with the diameter of 50mm are formed in the headgear 5, and the holes correspond to positions of eyes and an oral cavity and a nose respectively. Therefore, when the head of an operator touches the electrified body, the electrified body can be effectively protected, and the protection of the human body is safer and more comprehensive.
The shoe 4 may be an insulated shoe as shown in fig. 5, wherein the inside of the shoe is made of an insulating material, and a copper ion fiber cloth layer is attached to the vamp. Preferably, each sole is provided with a metal ground plate 7 of good electrical conductivity, for example two stainless steel ground plates of 50 x 5mm gauge. The metal grounding plate 7 is electrically connected with the copper ion fiber cloth layer of the vamp, for example, the metal grounding plate 7 can be welded on the flexible wires 8, and the flexible wires 8 are utilized to connect the metal grounding plate 7 to the copper ion fiber cloth layer of the vamp, so that the electric shock current is led into the ground 10.
Fig. 6-8 show application scenarios of the novel anti-electric shock protective clothing of the utility model, and fig. 6 shows a schematic diagram of the single-phase electric shock current flowing to the main path, i.e. the scenario when an operator mistakenly enters or mistakenly touches the live facility or line, for example, hands touch the live conductor 9. Under the condition that the protective clothing is worn, current flows from the palm to the ground 10 along the arm and the leg on one side, and under the condition that the protective clothing is worn, current flows from the glove to the trousers along the upper garment on the arm side through the conductor connector at the waistband, flows to the shoes through the conductor connector at the trouser leg, and flows to the ground 10 through the metal grounding plate 7 of the sole, so that electric shock casualties caused by current flowing into a human body can be avoided.
Fig. 7 shows a schematic diagram of two phase electric shock current flow to the main path, i.e. a scenario where an operator performs live work on a high voltage line, for example, two hands touch the live conductor 9. Under the condition that the protective clothing is not used, current can flow from the palm to the arm, flow to the arm palm at the other side along the chest and flow out, and under the condition that the protective clothing is worn, current can flow from the glove to the glove at the other side along the jacket and flow out, so that the stimulation of a strong electric field to live working personnel, such as ' electric wind ', ' electricity, and the like, is effectively prevented.
Fig. 8 shows a schematic diagram of the step voltage current flow to the main path, i.e. a scenario where an operator stands or falls in the vicinity of the live conductor 9, e.g. a two-foot step voltage is formed. Under the condition that no protection exists, current can flow from the sole to the other side sole along the two legs and flow to the ground 10, while under the condition that protective clothing is worn, current can flow from the metal grounding plate 7 of the sole to trousers through the conductor connectors at the trouser legs, then flow to the other shoe along the other trouser leg of the trousers through the conductor connectors at the trouser legs and flow to the ground 10 through the metal grounding plate 7 of the sole, so that the injury of step voltage to human bodies is effectively prevented, and electric shock accidents can not occur even if the human bodies fall down.
The specific manufacturing detection implementation method of the utility model is as follows:
the fabric comprises an outer layer, an electric shock prevention layer and an inner liner layer, wherein the outer layer can be a wear-resistant and moisture-proof canvas fabric, for example, 12-installation canvas with the following specification can be selected: thickness 0.15mm, yarn weave 10s/2 x 10s/2, density 43 x 27; the electric shock preventing layer is mainly made of high-conductivity metal fiber material, preferably copper ion fiber material, for example, the electric shock preventing layer can be made of fine copper wires with the diameter of 0.05mm by mixing with high-flame-retardant fibers; the inner liner may be a cotton cloth, for example, an insulating flame retardant high temperature resistant high silicon fiber cloth, preferably 0.36mm thick.
The inside of the insulated shoes is made of insulating materials, a layer of copper ion fiber cloth is attached to the outside of the shoe uppers, and the metal grounding plates are two stainless steel grounding plates with the specification of 50 multiplied by 5mm.
The connector may be a copper zipper, preferably with cotton or canvas skirts, such as silicone fabric, on each of the inner and outer sides of the copper zipper.
according to the novel electric shock protection protective clothing cloth composition schematic diagram and the appearance schematic diagram thereof, the protective clothing coat (which can be provided with a split or connected head cover), trousers, gloves, shoes and the like are manufactured by using the clothing production and processing technology, for example, the coat and the gloves, the coat and the trousers, and the trouser legs and the shoes are designed separately;
for example, 6 zippers of 10mm can be used for installing copper material between the coat and the glove, the coat and the trousers, and between the trouser legs and the shoes 2 The soft copper wire well welds the 2 stainless steel grounding plates inlaid in the soles with copper ion fiber cloth of the shoe uppers;
specifically, simulation tests are carried out on the manufactured novel electric shock protection clothing power test departments, and whether the current flowing through a human body is safe or not is detected under different voltage levels and different electric shock modes; meanwhile, the high-voltage electric field is subjected to discharge test to test the flame resistance, the heat resistance and the parameters thereof under the condition of a discharge arc.
And all performances of the electric shock protection clothing need to be detected and tested according to relevant regulations, and all performance indexes can meet the safe use conditions and can be produced in batches and put into use.
And 5, carrying out damage inspection on the tested electric shock protection clothing.
Before field use, the novel electric shock protection suit needs to be checked to be unbroken, and the delivery qualification certificate and the delivery inspection report are complete and can be used.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises an element.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.
Claims (10)
1. An electric shock protection suit is characterized in that,
the electric shock protection suit comprises a plurality of wearing parts which are formed into a conductive whole;
the fabric of the electric shock protection suit comprises a wear-resistant outer layer (S1), an electric shock protection layer (S2) and a flame-retardant inner liner layer (S3);
the electric shock prevention layer (S2) is made of metal fibers.
2. The electric shock protection suit according to claim 1, wherein,
the wear-resistant outer layer (S1) is made of canvas fabric, the flame-retardant inner liner (S3) is made of silica fiber cloth, and the electric shock prevention layer (S2) is made of copper ion fibers.
3. The electric shock protection suit according to claim 1, wherein,
the anti-electric shock protective clothing is integrated, the anti-electric shock protective clothing is provided with a closable opening and a connector (6), and the connector (6) can conduct electricity and electrically connect the opening.
4. The electric shock protection suit according to claim 1, wherein,
at least two of the plurality of wearing parts are separated from each other, the electric shock protection suit further comprises a connector (6), the connector (6) being capable of conducting electricity and electrically connecting the separated wearing parts.
5. The electric shock protection suit according to claim 3 or 4, wherein,
the connector (6) is a copper zipper, insulating pieces are arranged on two sides of the copper zipper, and the insulating pieces are made of silicone fiber cloth.
6. The electric shock protection suit according to claim 1, wherein,
the wearing part comprises a coat (1), trousers (2), gloves (3), shoes (4) and a head cover (5).
7. The electric shock protection suit according to claim 6, wherein,
the coat (1) and the head cover (5) are connected into a whole, a hole is formed in the head cover (5), and the edge of the hole is a circle of rubber insulating piece.
8. The electric shock protection suit according to claim 6, wherein,
the coat (1) and the glove (3), the coat (1) and the trousers (2), and the trousers (2) and the shoes (4) are designed separately, and are electrically connected by connectors (6).
9. The electric shock protection suit according to claim 6, wherein,
the shoe (4) is an insulating shoe, the vamp of the insulating shoe is provided with a copper ion fiber cloth layer, the sole of the shoe (4) is provided with a metal grounding plate (7), and the metal grounding plate (7) is electrically connected with the copper ion fiber cloth layer of the vamp.
10. The electric shock protection suit according to claim 1, wherein,
the thickness of the flame retardant inner liner (S3) ranges from 0.2 mm to 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320025279.3U CN219182867U (en) | 2023-01-05 | 2023-01-05 | Electric shock prevention protective clothing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320025279.3U CN219182867U (en) | 2023-01-05 | 2023-01-05 | Electric shock prevention protective clothing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219182867U true CN219182867U (en) | 2023-06-16 |
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ID=86714922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320025279.3U Active CN219182867U (en) | 2023-01-05 | 2023-01-05 | Electric shock prevention protective clothing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219182867U (en) |
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2023
- 2023-01-05 CN CN202320025279.3U patent/CN219182867U/en active Active
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