CN114295644A - Fabric anti-electromagnetic radiation performance tester and testing method thereof - Google Patents
Fabric anti-electromagnetic radiation performance tester and testing method thereof Download PDFInfo
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- CN114295644A CN114295644A CN202210026179.2A CN202210026179A CN114295644A CN 114295644 A CN114295644 A CN 114295644A CN 202210026179 A CN202210026179 A CN 202210026179A CN 114295644 A CN114295644 A CN 114295644A
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Abstract
The invention discloses a fabric anti-electromagnetic radiation performance tester and a test method thereof, belonging to the field of testers and being capable of debugging the rising height of a constant-pressure protection component according to the thickness of a fabric, the lower end of the flange coaxial upper testing device is just contacted with the fabric, the possibility of extruding the fabric and having residual space is reduced, the experimental precision is improved, the constant-pressure protection component can absorb part of the electromagnetic radiation diffracted to the outside by being wrapped, the possibility of the influence of the electromagnetic radiation on human bodies is reduced, the constant-pressure protection component can automatically generate heat after absorbing the electromagnetic radiation, the upper end that its heat can make the constant voltage protective component takes place the inflation to only the lower extreme that fits test device on the flange is coaxial, improve the sealed effect between the coaxial test device of test device on constant voltage protective component and the flange, further reduce electromagnetic radiation diffraction to external possibility.
Description
Technical Field
The invention relates to the field of testers, in particular to a tester for anti-electromagnetic radiation performance of a fabric and a testing method thereof.
Background
Electromagnetic radiation is composed of electric and magnetic energy transferred together in space, and the energy is generated by charge movement, for example, the moving charge emitted by a radio frequency antenna that is transmitting signals will generate electromagnetic energy, the electromagnetic "spectrum" includes electromagnetic radiation of various colors, from very low frequency to very high frequency, and radio waves, microwaves, infrared rays, visible light, ultraviolet light, etc., between them, and the general definition of the radio frequency part of the electromagnetic spectrum refers to radiation with a frequency of about 3 khz to 300 ghz, and some electromagnetic radiation has a certain effect on human body.
Traditional fabric anti-electromagnetic radiation capability test's in-process, can press down the fabric, the fabric is under the extruded state, its inside textile fiber can pile up, its surface area that absorbs electromagnetic radiation will reduce, can influence the experiment precision, if not sticis the fabric, some electromagnetic radiation can be through remaining space and diffract to external world under the state that does not pass through the decay, can have certain influence to the human body at long-term test-detecting's in-process, remaining space also can cause the influence to time precision simultaneously.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a fabric anti-electromagnetic radiation performance tester and a test method thereof, which can adjust the rising height of a constant pressure protection component according to the thickness of a fabric, so that the lower end of a flange coaxial upper test device is just in contact with the fabric, the possibility of squeezing the fabric and having a residual space is reduced, the experimental precision is improved, partial electromagnetic radiation diffracted to the outside can be absorbed through the wrapping of the constant pressure protection component, the possibility of influencing a human body by the electromagnetic radiation is reduced, the constant pressure protection component can automatically generate heat after absorbing the electromagnetic radiation, the heat can expand the upper end of the constant pressure protection component, thereby only attaching the lower end of the flange coaxial upper test device, and improving the sealing effect between the constant pressure protection component and the flange coaxial upper test device, the possibility that the electromagnetic radiation diffracts to the outside is further reduced, and after the pressure intensity processed by the air source is set, the pressing force and the position at each time are the same, the repeatability of a test value can be ensured, a tester can easily complete a test experiment only by clicking a button, and the labor intensity of an operator is hardly increased.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A fabric anti-electromagnetic radiation performance tester comprises a machine body, wherein the outer end of the machine body is fixedly connected with a gas source processor, the interior of the machine body is fixedly connected with a gas path electromagnetic valve, the gas path electromagnetic valve is electrically connected with the gas source processor, the interior of the machine body is fixedly connected with a double-rod pressing cylinder, the double-rod pressing cylinder is communicated with the gas path electromagnetic valve, the lower end of the gas path electromagnetic valve is fixedly connected with a flange connecting frame, the lower end of the flange connecting frame is fixedly connected with a flange coaxial upper testing device, the surface of the machine body is fixedly connected with a flange coaxial lower testing device, the upper end of the flange coaxial lower testing device is contacted with the lower end of the flange coaxial upper testing device, the interior of the machine body is fixedly connected with a network analyzer, and the interior of the flange coaxial lower testing device is fixedly connected with a balance pressure protection component, the height of the constant pressure protection component which rises can be adjusted according to the thickness of the fabric, so that the lower end of the testing device on the flange coaxial can be just in contact with the fabric, the possibility of squeezing the fabric and having residual space is reduced, the experimental precision is improved, the electromagnetic radiation which is partially diffracted to the outside can be absorbed through the wrapping of the constant pressure protection component, the possibility of the influence of the electromagnetic radiation on the human body is reduced, the constant pressure protection component can automatically generate heat after absorbing the electromagnetic radiation, the heat can expand the upper end of the constant pressure protection component, so that only the lower end of the testing device on the flange coaxial can be attached, the sealing effect between the constant pressure protection component and the testing device on the flange coaxial is improved, the possibility of the electromagnetic radiation being diffracted to the outside is further reduced, and after the pressure intensity processed by an air source is set, the compressing force and the position are the same each time, the repeatability of the test value can be ensured, the tester can easily complete the test experiment only by clicking the button, and the labor intensity of the operator is hardly increased.
Furthermore, the upper surface of the lower coaxial flange testing device is provided with an annular groove, the constant-pressure protection component is fixedly connected to the inner bottom end of the annular groove, the upper end of the constant-pressure protection component and the upper end of the lower coaxial flange testing device are located on the same horizontal plane, and when the fabric is placed on the upper surface of the lower coaxial flange testing device, the height of the constant-pressure protection component which rises is convenient to calculate and control, so that the upper end of the constant-pressure protection component and the upper end of the fabric are located on the same horizontal plane.
Furthermore, the constant pressure protection assembly comprises a telescopic rod, a pair of telescopic rods are fixedly connected with a protection ring at the matched upper end, the inner wall of the protection ring is provided with a radiation protection coating, the inner part of the protection ring is fixedly connected with a heat conducting wire, the heat conducting wire is contacted with the radiation protection coating, an elastic air bag ring is embedded at the upper end of the protection ring, the lower end of the elastic air bag ring is fixedly connected with the protection ring, the upper end of the elastic air bag ring is provided with an air outlet, one end of the heat conducting wire, far away from the radiation protection coating, extends to the inner cavity of the elastic air bag ring, the upper end of the protection ring and the upper end of the fabric are positioned at the same horizontal plane by controlling the upward extending length of the telescopic rod, when the flange is coaxially contacted with the upper end of the protection ring, the upper end of the fabric can be contacted, and the possibility of extrusion and residual space of the fabric can be reduced, the protection ring is matched with the radiation-proof coating to absorb partial electromagnetic radiation which is diffracted to the outside, so that the possibility of influence of the electromagnetic radiation on a human body is reduced, the radiation-proof coating can convert the electromagnetic wave into heat energy, the heat energy is conducted to the elastic air bag ring through the heat conducting wire, the air outlet is blocked due to the pressing of the flange coaxial upper testing device, so that the elastic air bag ring expands due to the heat energy, the expanded elastic air bag ring improves the sealing effect between the constant pressure protection component and the flange coaxial upper testing device, the possibility of diffraction of the electromagnetic radiation to the outside is further reduced, when the flange coaxial upper testing device rises, the air outlet gives out air, so that the elastic air bag ring is restored to the original state, but the heat energy is not easy to be quickly dissipated, and when the pressing of the flange coaxial upper testing device blocks the air outlet again, the elastic air bag ring can be quickly expanded and sealed, the process that the testing device on the flange coaxial is pressed down firstly and then sealed is formed, if the rubber sealing ring is directly fixedly connected to the upper end of the protection ring, the testing device on the flange coaxial is pressed down, the fabric can be extruded, or a cavity is formed between the fabric and the anti-radiation coating, the anti-radiation coating does not have any loss in the process of absorbing electromagnetic waves and converting heat energy, and the anti-radiation coating does not need to be maintained and updated after being coated and formed.
Further, the outer end fixedly connected with protection machanism of organism, protection machanism cover is established in the coaxial outside of going up testing arrangement of flange, can protect the coaxial testing arrangement of the output and the flange that compresses tightly the cylinder of two poles through protection machanism, reduces the output that the double pole compressed tightly the cylinder and the coaxial testing arrangement of flange and appears damaging the possibility.
Further, protection machanism includes a first protection section of thick bamboo, the lower extreme sliding connection of a first protection section of thick bamboo has a second protection section of thick bamboo, be fixed connection between the lower extreme of a second protection section of thick bamboo and the coaxial last testing arrangement of flange, a first protection section of thick bamboo and a first protection section of thick bamboo cover are established in the outside that two poles compress tightly cylinder output and the coaxial last testing arrangement of flange, and protection machanism can follow the flexible synchronous stretching out and drawing back that two poles compress tightly the cylinder output when protecting.
Further, the gas outlet is protruding form for the upper end of elasticity gasbag ring, the surface of elasticity gasbag ring is equipped with the insulating layer, and the gas outlet of protruding form can be with the coaxial lower extreme in close contact with of going up testing arrangement of flange, improves the coaxial sealed effect of last testing arrangement of flange, through the insulating layer for the inside heat of elasticity gasbag ring is difficult for dissipating.
Further, first protective cylinder and second protective cylinder all adopt the copper alloy material to make, the outer periphery of first protective cylinder and second protective cylinder all bonds has heat conduction silica gel, and the copper alloy material heat conductivity is good for the heat is difficult to pile up at the inner chamber of first protective cylinder and second protective cylinder, and cooperation heat conduction silica gel improves the protective effect to first protective cylinder and second protective cylinder.
Furthermore, the heat conduction silk is L form, the heat conduction silk is the annular at the inner wall of guard ring and distributes for the elasticity gasbag ring has better heated effect, improves the inflation efficiency of elasticity gasbag ring.
A test method of a fabric anti-electromagnetic radiation performance tester comprises the following steps:
s1, an external air source is connected to the air path electromagnetic valve after being filtered and pressure-regulated by the air source processor, and is connected to the double-rod pressing cylinder through the air path electromagnetic valve to control the expansion of the double-rod pressing cylinder;
s2, driving the flange coaxial upper testing device to move up and down by the telescopic double-rod pressing cylinder, and placing a test sample at the upper end of the flange coaxial lower testing device when the flange coaxial upper testing device is lifted;
s3, debugging the rising height of the constant pressure protection component according to the thickness of the test sample, and then pressing down the flange coaxial upper test device to enable the lower end of the flange coaxial upper test device to be in contact with the test sample;
s4, the network analyzer receives the intensity of the electromagnetic wave transmitted by the flange coaxial upper testing device and the intensity of the electromagnetic wave received by the flange coaxial lower testing device through the connected RF cable, and the difference value of the intensity of the electromagnetic wave is used as the radiation protection performance of the evaluation sample on the electromagnetic wave.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the scheme can adjust the rising height of the constant pressure protection component according to the thickness of the fabric, so that the lower end of the flange coaxial upper test device is just in contact with the fabric, the possibility of squeezing the fabric and having residual space is reduced, the experimental precision is improved, the constant pressure protection component can absorb part of electromagnetic radiation diffracted to the outside through wrapping, the possibility of influencing the human body by the electromagnetic radiation is reduced, the constant pressure protection component can automatically generate heat after absorbing the electromagnetic radiation, the heat can expand the upper end of the constant pressure protection component, so that the lower end of the flange coaxial upper test device is only attached, the sealing effect between the constant pressure protection component and the flange coaxial upper test device is improved, the possibility of the electromagnetic radiation diffracted to the outside is further reduced, and after the pressure intensity processed by an air source is set, the compressing force and the position at each time are the same, the repeatability of the test value can be ensured, the tester can easily complete the test experiment only by clicking the button, and the labor intensity of the operator is hardly increased.
(2) The annular groove is chiseled on the upper surface of the lower testing device with the coaxial flange, the constant-pressure protection component is fixedly connected to the inner bottom end of the annular groove, the upper end of the constant-pressure protection component and the upper end of the lower testing device with the coaxial flange are located on the same horizontal plane, and when the fabric is placed on the upper surface of the lower testing device with the coaxial flange, the height of the constant-pressure protection component which rises is convenient to calculate and control is provided, so that the upper end of the constant-pressure protection component and the upper end of the fabric are located on the same horizontal plane.
(3) The constant pressure protection assembly comprises telescopic rods, a pair of telescopic rods are fixedly connected with a protection ring in a matched upper end, the inner wall of the protection ring is provided with a radiation protection coating, the inner part of the protection ring is fixedly connected with a heat conducting wire, the heat conducting wire is contacted with the radiation protection coating, an elastic air sac ring is embedded at the upper end of the protection ring, the lower end of the elastic air sac ring is fixedly connected with the protection ring, the upper end of the elastic air sac ring is provided with an air outlet, one end, away from the radiation protection coating, of the heat conducting wire extends to an inner cavity of the elastic air sac ring, the upper end of the protection ring and the upper end of a fabric are positioned on the same horizontal plane by controlling the upward extending length of the telescopic rods, when a testing device on the same axis of a flange is contacted with the upper end of the protection ring, the possibility of extruding the fabric and the existence of a residual space is reduced, and the radiation protection ring can absorb partial electromagnetic radiation which is diffracted to the outside through the radiation protection ring in a matched radiation protection coating, the possibility of influence of electromagnetic radiation on a human body is reduced, the radiation-proof coating can convert heat energy into electromagnetic waves, the heat energy is conducted to the elastic air bag ring through the heat conducting wires, the air outlet is blocked due to the pressing of the flange coaxial upper testing device, so that the elastic air bag ring expands due to the heat, the sealing effect between the constant pressure protection assembly and the flange coaxial upper testing device is improved due to the expanded elastic air bag ring, the possibility of diffraction of the electromagnetic radiation to the outside is further reduced, when the flange coaxial upper testing device rises, the air outlet gives out air, so that the elastic air bag ring recovers the original shape, but the heat is not easy to dissipate quickly, when the pressing of the flange coaxial upper testing device blocks the air outlet again, the elastic air bag ring can expand and seal quickly, a process that the flange coaxial upper testing device presses down and then seals is formed, if a rubber sealing ring is fixedly connected to the upper end of the protection ring directly, after the flange is pressed down coaxially by a testing device, the fabric can be squeezed or a cavity is formed between the flange and the fabric, the radiation-proof paint does not have any loss in the process of absorbing electromagnetic waves and converting heat energy, and the maintenance and the updating are not needed after the paint is coated and formed.
(4) The outer end fixedly connected with protection machanism of organism, protection machanism cover is established in the coaxial outside of going up testing arrangement of flange, can compress tightly the output of cylinder and the coaxial testing arrangement of flange through protection machanism and protect, reduces the output that the double-pole compressed tightly the cylinder and the coaxial testing arrangement of flange and appear the possibility of damaging.
(5) The protection mechanism comprises a first protection barrel, the lower end of the first protection barrel is connected with a second protection barrel in a sliding mode, the lower end of the second protection barrel is fixedly connected with the flange coaxial upper testing device, the first protection barrel and the first protection barrel are sleeved outside the double-rod compression cylinder output end and the flange coaxial upper testing device, and the protection mechanism can stretch along with the stretching synchronization of the double-rod compression cylinder output end when protection is performed.
(6) The gas outlet is protruding form for the upper end of elasticity gasbag ring, and the surface of elasticity gasbag ring is equipped with the insulating layer, and the gas outlet of protruding form can with the coaxial lower extreme in close contact with of going up testing arrangement of flange, improves the coaxial sealed effect of testing arrangement of going up of flange, through the insulating layer for the inside heat of elasticity gasbag ring is difficult for dissipating.
(7) The first protective cylinder and the second protective cylinder are made of copper alloy materials, heat-conducting silica gel is bonded on the outer circumferential surfaces of the first protective cylinder and the second protective cylinder, the heat conductivity of the copper alloy materials is good, heat is not prone to being accumulated in the inner cavities of the first protective cylinder and the second protective cylinder, and the heat-conducting silica gel is matched to improve the protection effect of the first protective cylinder and the second protective cylinder.
(8) The heat conduction silk is the L form, and the heat conduction silk is the annular and distributes at the inner wall of guard ring for the elasticity gasbag ring has better heated effect, improves the inflation efficiency of elasticity gasbag ring.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a side cross-sectional structural schematic view of the present invention;
FIG. 4 is a schematic view of the output end member of the dual rod hold down cylinder of the present invention;
FIG. 5 is a schematic structural diagram of the detection principle of the present invention;
FIG. 6 is a schematic structural view of a storage state of the constant voltage protection assembly according to the present invention;
FIG. 7 is a schematic view of an extended structure of the constant voltage protection assembly of the present invention;
FIG. 8 is a schematic structural diagram of a constant pressure guard assembly according to the present invention;
FIG. 9 is an enlarged view taken at A of FIG. 8;
FIG. 10 is a schematic view of the air outlet structure of the present invention.
The reference numbers in the figures illustrate:
100 organisms, 101 protection mechanisms, 1011 first protection tube, 1012 second protection tube, 200 air source processors, 300 air path solenoid valves, 400 double-rod compression cylinders, 500 flange connecting frames, 600 flange coaxial upper testing devices, 700 flange coaxial lower testing devices, 701 annular grooves, 800 network analyzers, 900 constant pressure protection components, 901 telescopic rods, 902 protection rings, 903 radiation protection coatings, 904 heat conducting wires, 905 elastic air bag rings and 906 air outlets.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1-7, a fabric electromagnetic radiation resistance tester includes a machine body 100, an outer end of the machine body 100 is fixedly connected with a gas source processor 200, an inner portion of the machine body 100 is fixedly connected with a gas path solenoid valve 300, the gas path solenoid valve 300 is electrically connected with the gas source processor 200, an inner portion of the machine body 100 is fixedly connected with a dual-rod pressing cylinder 400, the dual-rod pressing cylinder 400 is communicated with the gas path solenoid valve 300, a lower end of the gas path solenoid valve 300 is fixedly connected with a flange connecting frame 500, a lower end of the flange connecting frame 500 is fixedly connected with a flange coaxial upper testing device 600, a surface of the machine body 100 is fixedly connected with a flange coaxial lower testing device 700, an upper end of the flange coaxial lower testing device 700 is contacted with a lower end of the flange coaxial upper testing device 600, an inner portion of the machine body 100 is fixedly connected with a network analyzer 800, an inner portion of the flange coaxial lower testing device 700 is fixedly connected with a constant pressure protection component 900, the rising height of the constant-pressure protection component 900 can be adjusted according to the thickness of the fabric, so that the lower end of the flange coaxial upper test device 600 is just in contact with the fabric, the possibility of squeezing the fabric and having residual space is reduced, the experimental precision is improved, the electromagnetic radiation partially diffracted to the outside can be absorbed through the wrapping of the constant-pressure protection component 900, the possibility of influencing the human body by the electromagnetic radiation is reduced, the constant-pressure protection component 900 can automatically generate heat after absorbing the electromagnetic radiation, the heat can expand the upper end of the constant-pressure protection component 900, so that only the lower end of the flange coaxial upper test device 600 is attached, the sealing effect between the constant-pressure protection component 900 and the flange coaxial upper test device 600 is improved, the possibility of the electromagnetic radiation being diffracted to the outside is further reduced, and after the pressure of the air source processing 200 is set, the pressing force and the position at each time are the same, the repeatability of a test value can be guaranteed, a tester can easily complete a test experiment only by clicking a button, and the labor intensity of an operator is hardly increased.
Referring to fig. 6-9, an annular groove 701 is cut on the upper surface of the flange coaxial lower testing device 700, a constant pressure protection assembly 900 is fixedly connected to the inner bottom end of the annular groove 701, the upper end of the constant pressure protection assembly 900 and the upper end of the flange coaxial lower testing device 700 are located on the same horizontal plane, when a fabric is placed on the upper surface of the flange coaxial lower testing device 700, it is convenient to calculate and control the rising height of the constant pressure protection assembly 900, so that the upper end of the constant pressure protection assembly 900 and the upper end of the fabric are located on the same horizontal plane, the constant pressure protection assembly 900 includes a telescopic rod 901, a pair of telescopic rods 901 are matched with each other, the upper end of the protective ring 902 is fixedly connected with the upper end, the inner wall of the protective ring 902 is provided with a radiation-proof coating 903, the internal fixed connection of the protective ring 902 is connected with a heat-conducting wire 904, the heat-conducting wire is in contact with the radiation-proof coating 903, an elastic air bag 905 ring is embedded in the upper end of the protective ring 902, the lower end of the elastic air bag 905 is fixedly connected with the protective ring 902, the upper end of the elastic air bag ring 905 is provided with an air outlet 906 in a chiseled mode, one end, far away from the radiation-proof coating 903, of the heat-conducting wire 904 extends to the inner cavity of the elastic air bag ring 905, the upper end of the protection ring 902 and the upper end of the fabric are located on the same horizontal plane by controlling the length of the upward extension of the telescopic rod 901, when the flange coaxial upper testing device 600 contacts the upper end of the protection ring 902, the upper end of the fabric can be contacted, the possibility of squeezing the fabric and the existence of residual space is reduced, the protection ring 902 is matched with the radiation-proof coating 903 to absorb electromagnetic radiation which can be partially diffracted to the outside, the possibility of influence of the electromagnetic radiation on a human body is reduced, the radiation-proof coating 903 can convert electromagnetic waves into heat energy, the heat is conducted to the elastic air bag ring 905 through the heat-conducting wire 904, the air outlet 906 is blocked due to the downward pressure of the flange coaxial upper testing device 600, and the elastic air bag ring 905 is expanded due to the heat, the expanded elastic balloon ring 905 improves the sealing effect between the constant pressure guard assembly 900 and the test device 600 on the same axis as the flange, further reduces the possibility of electromagnetic radiation diffraction to the outside, when the flange is coaxial with the upper test device 600, the air outlet 906 will give out air, so that the elastic air bag ring 905 is restored to the original state, but the heat is not easily dissipated quickly, and when the flange is pressed down coaxially with the upper test fixture 600 to block the air outlet 906 again, the elastic air bag ring 905 can be rapidly expanded and sealed to form a process that the flange is pressed down and then sealed coaxially with the upper test device 600, if the rubber sealing ring is directly and fixedly connected to the upper end of the protection ring 902, after the flange coaxial upper test device 600 is pressed down, the fabric can be squeezed or a cavity is formed between the fabric and the radiation-proof paint, the radiation-proof paint does not have any loss in the process of absorbing electromagnetic waves and converting heat energy, and the radiation-proof paint does not need to be maintained and updated after being painted and formed.
Referring to fig. 1-4, the outer end of the machine body 100 is fixedly connected with a protection mechanism 101, the protection mechanism 101 is sleeved outside the flange coaxial upper testing device 600, the output end of the dual-rod pressing cylinder 400 and the flange coaxial upper testing device 600 can be protected by the protection mechanism 101, the possibility of damage to the output end of the dual-rod pressing cylinder 400 and the flange coaxial upper testing device 600 is reduced, the protection mechanism 101 comprises a first protection cylinder 1011, the lower end of the first protection cylinder 1011 is slidably connected with a second protection cylinder 1012, the lower end of the second protection cylinder 1012 is fixedly connected with the flange coaxial upper testing device 600, the first protection cylinder 1011 and the first protection cylinder 1011 are sleeved outside the output end of the dual-rod pressing cylinder 400 and the flange coaxial upper testing device 600, the protection mechanism 101 can extend and retract synchronously along with the extension and retraction of the output end of the dual-rod pressing cylinder 400 while performing protection, the first protection cylinder 1011 and the second protection cylinder 1012 are made of copper alloy materials, heat-conducting silica gel is adhered to the outer circumferential surfaces of the first protection cylinder 1011 and the second protection cylinder 1012, the heat conductivity of the copper alloy materials is good, heat is not prone to being accumulated in the inner cavities of the first protection cylinder 1011 and the second protection cylinder 1012, and the protection effect of the first protection cylinder 1011 and the second protection cylinder 1012 is improved by matching with the heat-conducting silica gel.
Referring to fig. 9-10, the air outlet 906 is convex relative to the upper end of the elastic air bag ring 905, a heat insulation layer is disposed on the surface of the elastic air bag ring 905, the convex air outlet 906 can be in close contact with the lower end of the flange coaxial upper test device 600, so that the sealing effect of the flange coaxial upper test device 600 is improved, through the heat insulation layer, the heat inside the elastic air bag ring 905 is not easily dissipated, the heat conducting wires 904 are L-shaped, the heat conducting wires 904 are distributed annularly on the inner wall of the protection ring 902, so that the elastic air bag ring 905 has a better heating effect, and the expansion efficiency of the elastic air bag ring 905 is improved.
A test method of a fabric anti-electromagnetic radiation performance tester comprises the following steps:
s1, an external air source is connected to the air path electromagnetic valve 300 after being filtered and pressure-regulated by the air source processor 200, and is connected to the double-rod pressing cylinder 400 through the air path electromagnetic valve 300 to control the expansion of the double-rod pressing cylinder 400;
s2, the telescopic double-rod pressing cylinder 400 drives the flange coaxial upper testing device 600 to move up and down, and when the flange coaxial upper testing device 600 is lifted, a test sample is placed at the upper end of the flange coaxial lower testing device 700;
s3, debugging the rising height of the constant-pressure protection assembly 900 according to the thickness of the test sample, and then pressing down the flange coaxial upper test device 600 to enable the lower end of the flange coaxial upper test device 600 to be in contact with the test sample;
s4, the network analyzer 800 receives the intensity of the electromagnetic wave transmitted by the flange upper coaxial testing device 600 and received by the flange lower coaxial testing device 700 through the connected RF cable, and the difference value of the intensity of the electromagnetic wave is used as the radiation protection performance of the evaluation sample to the electromagnetic wave.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (9)
1. The utility model provides a fabric anti-electromagnetic radiation performance tester, includes organism (100), its characterized in that: the outer end of the machine body (100) is fixedly connected with the air source processor (200), the interior of the machine body (100) is fixedly connected with an air path electromagnetic valve (300), the air path electromagnetic valve (300) is electrically connected with the air source processor (200), the interior of the machine body (100) is fixedly connected with a double-rod pressing cylinder (400), the double-rod pressing cylinder (400) is communicated with the air path electromagnetic valve (300), the lower end of the air path electromagnetic valve (300) is fixedly connected with a flange connecting frame (500), the lower end of the flange connecting frame (500) is fixedly connected with a flange coaxial upper testing device (600), the surface of the machine body (100) is fixedly connected with a flange coaxial lower testing device (700), the upper end of the flange coaxial lower testing device (700) is contacted with the lower end of the flange coaxial upper testing device (600), and the interior of the machine body (100) is fixedly connected with a network analyzer (800), the flange is coaxially connected with the lower testing device (700), and a constant-pressure protection assembly (900) is fixedly connected to the inner part of the lower testing device.
2. A fabric electromagnetic radiation resistance tester as claimed in claim 1, wherein: the upper surface of the lower flange coaxial testing device (700) is provided with an annular groove (701) in a chiseled mode, the constant-pressure protection component (900) is fixedly connected to the inner bottom end of the annular groove (701), and the upper end of the constant-pressure protection component (900) and the upper end of the lower flange coaxial testing device (700) are located on the same horizontal plane.
3. A fabric electromagnetic radiation resistance tester as claimed in claim 1, wherein: protection subassembly (900) is pressed to weighing apparatus includes telescopic link (901), and is a pair of telescopic link (901) matches upper end fixedly connected with guard ring (902), the inner wall of guard ring (902) is equipped with radiation protection coating (903), the inside fixed connection and heat-conducting wire (904) of guard ring (902), heat-conducting wire (904) contact with radiation protection coating (903), the upper end of guard ring (902) is inlayed and is equipped with elasticity gasbag ring (905), be fixed connection between the lower extreme of elasticity gasbag ring (905) and guard ring (902), the upper end of elasticity gasbag ring (905) is opened and is chiseled gas outlet (906), the heat-conducting wire (904) are kept away from the inner chamber that the one end of radiation protection coating (903) extended to elasticity gasbag ring (905).
4. A fabric electromagnetic radiation resistance tester as claimed in claim 1, wherein: the outer end fixedly connected with protection machanism (101) of organism (100), protection machanism (101) cover is established in the coaxial outside of going up testing arrangement (600) of flange.
5. The tester for testing anti-electromagnetic radiation performance of fabric according to claim 4, wherein: protection machanism (101) are including first a protection section of thick bamboo (1011), the lower extreme sliding connection of first a protection section of thick bamboo (1011) has a second a protection section of thick bamboo (1012), be fixed connection between the lower extreme of a second protection section of thick bamboo (1012) and the coaxial testing arrangement (600) of going up of flange, first a protection section of thick bamboo (1011) and first a protection section of thick bamboo (1011) cover establish the outside that double-rod compresses tightly cylinder (400) output and coaxial testing arrangement (600) of going up of flange.
6. A fabric electromagnetic radiation resistance tester as claimed in claim 3, characterized in that: the gas outlet (906) is protruding for the upper end of elasticity gasbag ring (905), the surface of elasticity gasbag ring (905) is equipped with the insulating layer.
7. The tester for testing anti-electromagnetic radiation performance of fabric of claim 5, wherein: the first protection cylinder (1011) and the second protection cylinder (1012) are made of copper alloy materials, and heat-conducting silica gel is adhered to the outer circumferential surfaces of the first protection cylinder (1011) and the second protection cylinder (1012).
8. A fabric electromagnetic radiation resistance tester as claimed in claim 3, characterized in that: the heat conducting wires (904) are L-shaped, and the heat conducting wires (904) are distributed on the inner wall of the protective ring (902) in an annular shape.
9. The method for testing a fabric electromagnetic radiation resistance tester according to claims 1-9, wherein: the method comprises the following steps:
s1, an external air source is connected to the air path electromagnetic valve (300) after being filtered and pressure-regulated by the air source processor (200), and is connected to the double-rod pressing cylinder (400) through the air path electromagnetic valve (300) to control the expansion of the double-rod pressing cylinder (400);
s2, the telescopic double-rod pressing cylinder (400) drives the flange coaxial upper testing device (600) to move up and down, and when the flange coaxial upper testing device (600) is lifted up, a test sample is placed at the upper end of the flange coaxial lower testing device (700);
s3, debugging the rising height of the constant-pressure protection assembly (900) according to the thickness of the test sample, and then pressing down the flange coaxial upper test device (600) to enable the lower end of the flange coaxial upper test device (600) to be in contact with the test sample;
s4, the network analyzer (800) receives the intensity of the electromagnetic wave transmitted by the flange upper coaxial testing device (600) and received by the flange lower coaxial testing device (700) through the connected RF cable, and the difference value of the intensity of the electromagnetic wave is used as the radiation protection performance of the evaluation sample to the electromagnetic wave.
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| CN114295644B (en) | 2023-01-03 |
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