CN211663133U - Complex electromagnetic environment evaluation height protection mobile test vehicle - Google Patents
Complex electromagnetic environment evaluation height protection mobile test vehicle Download PDFInfo
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- CN211663133U CN211663133U CN201921493557.8U CN201921493557U CN211663133U CN 211663133 U CN211663133 U CN 211663133U CN 201921493557 U CN201921493557 U CN 201921493557U CN 211663133 U CN211663133 U CN 211663133U
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Abstract
The utility model discloses a complicated electromagnetic environment assesses high protection mobile test car, include: the system comprises a mobile vehicle, a high-shielding-efficiency shelter structure and a power generation system; the high-shielding-efficiency shelter structure is arranged above the movable vehicle carrier, and the power generation system is arranged above the movable vehicle carrier and is positioned between the vehicle head of the movable vehicle carrier and the high-shielding-efficiency shelter structure; the high-shielding-efficiency shelter structure is used for shielding electromagnetic interference for electronic equipment installed on the high-shielding-efficiency shelter structure during evaluation of a complex electromagnetic environment; the utility model discloses can be applicable to multiple forceful electric magnetic environment, solve among the prior art problem that the mobile test car can't accomplish the electronic equipment performance index test evaluation work under the forceful electric magnetic environment.
Description
Technical Field
The utility model relates to an electromagnetic environment assesses the field, especially relates to a complicated electromagnetic environment assesses high protection mobile test car.
Background
The shielding effectiveness of the existing mobile test vehicle is generally 10 kHz-40 GHz and is more than 60dB or 40dB, and the electromagnetic protection measure can meet the electromagnetic protection requirement of 200V/m military products specified by the national military standard. The mobile test vehicle generally comprises a communication vehicle, a command vehicle, an electronic countermeasure vehicle, a test vehicle, other multifunctional vehicles and the like.
The comprehensive shielding and protecting performance index of the existing mobile test vehicle is not high, and great technical difficulty is brought to high shielding and protecting design by adding a large door, an air inlet and outlet, a switching device, a power supply wall-passing device and the like in a small square cabin. The existing mobile test vehicle has insufficient comprehensive test performance, weak comprehensive electromagnetic protection capability and prominent self-interference problem, and the test vehicle has poor high-field-intensity anti-interference capability in a complex electromagnetic environment and cannot complete the test evaluation work of the performance indexes of the electronic equipment in the strong electromagnetic environment. In addition, environments such as cold severe winter, hot summer heat, wet rainy season, wide desert area, high-power radar radiation and the like have higher requirements on the environmental adaptability of the test vehicle, and meanwhile, the comfort of operators, even food supply and rest places, is ensured. The existing electromagnetic evaluation system of the mobile test vehicle is not fully built, the test standard coverage is not full, the human-computer interaction design is unreasonable, the requirements of multi-standard and multi-project electromagnetic compatibility tests cannot be met, the human-computer operation is convenient and friendly, and the comprehensive influence on the development of test work caused by test environments such as natural environment, electromagnetic environment, human environment and the like is not considered.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a complicated electromagnetic environment assesses high protection mobile test car for can't accomplish the problem of the electronic equipment performance index test aassessment work under the forceful electric magnetic environment among the solution prior art mobile test car.
The embodiment of the utility model provides a complicated electromagnetic environment assesses high protection mobile test car, include: the system comprises a mobile vehicle, a high-shielding-efficiency shelter structure and a power generation system;
the high-shielding-efficiency shelter structure is arranged above the mobile vehicle carrier, and the power generation system is arranged above the mobile vehicle carrier and is positioned between the mobile vehicle carrier head and the high-shielding-efficiency shelter structure;
the high-shielding-efficiency shelter structure is used for shielding electromagnetic interference for electronic equipment installed on the high-shielding-efficiency shelter structure during evaluation of a complex electromagnetic environment.
Preferably, the high shielding effectiveness shelter structure comprises:
the system comprises a sandwich board cabin body, an antenna lifting system, a monitoring system and an air conditioning system;
the battenboard cabin body set up in remove and carry the car top, antenna operating system set up in battenboard cabin body upper wall and back wall, monitoring system set up in battenboard cabin body upper wall, air conditioning system set up in the battenboard cabin body is last.
Preferably, the sandwich panel cabin comprises:
the device comprises a rectangular cabin body, an internal shielding door, a power supply adapter plate, a filter, a pair of signal adapter plates, two external shielding doors and two pairs of waveguide windows;
the rectangular cabin body is arranged above the mobile vehicle carrier, and the built-in shielding door is arranged in the rectangular cabin body and is used for dividing the rectangular cabin body into two cabins;
the two external shielding doors are arranged on the same side wall surface of the rectangular cabin body and are used for an operator to enter and exit the two cabins of the rectangular cabin body;
the pair of signal adapter plates are arranged on the side wall surface of the rectangular cabin body, which is not provided with the external shielding door, and are used for leading in signals and/or leading out signals;
the power supply adapter plate is arranged on the side wall surface of the rectangular cabin body, which is not provided with the external shielding door, and is used for bearing current;
the filter is arranged on the power supply adapter plate and used for shielding electromagnetic interference of the power supply adapter plate;
and the two pairs of waveguide windows are respectively arranged on two side wall surfaces of the rectangular cabin body and are used for shielding electromagnetic interference and ventilating.
Preferably, the junction of the edges of the rectangular cabin body is coated with conductive protection liquid, a shielding adhesive tape is adhered to the junction, shielding finger springs are arranged in the rectangular cabin body, shielding nickel nets are arranged at the wrap corners of the rectangular cabin body, the junctions of the two pairs of waveguide windows and the rectangular cabin body are coated with the conductive protection liquid, and the two external shielding doors and the rectangular cabin body and the internal shielding doors and the rectangular cabin body are connected through steel structure frames.
Preferably, the monitoring system comprises:
the device comprises a holder motor, a cylinder shell, a side shield, shielding glass, a glass window, an imaging module, a control module, a power module and a rear cover;
the cloud platform motor set up in rectangle cabin body upper wall, the drum shell set up in on the cloud platform motor, the side shield set up in drum shell internal face, shielding glass set up in a drum shell bottom surface, glass window, imaging module, control module and power module set gradually in the drum shell, just the glass window is located be close to in the drum shell shielding glass one side, the back lid set up in another bottom surface of drum shell.
Preferably, a conductive rubber strip is arranged between the shielding glass and the cylinder shell, a beryllium copper yellow sheet is arranged at the contact position of the rear cover and the bottom surface of the cylinder shell, the conductive rubber strip is arranged at the contact position of the rear cover and the side surface of the cylinder shell, and the control module and the power module are both used for shielding and wrapping.
Preferably, the air conditioning system includes:
the air conditioner comprises an air conditioner host, an air conditioner electric control module, a ventilation pipeline and a compressor;
the air conditioner host set up in wall before the rectangle cabin body, the air conditioner automatically controlled module set up in the air conditioner host with on the rectangle cabin body binding face, and shield the parcel and handle, air pipe set up in the rectangle cabin body, the compressor set up in the air conditioner host, the compressor business turn over power supply cable adopts the shielding paired line, just power supply cable joint department parcel has the shielding sticky tape.
Preferably, the air conditioner electric control module includes:
a weak current control unit and a strong current control unit;
the weak current control unit and the strong current control unit are respectively and independently grounded and are separated from the shell of the air conditioner main machine.
Preferably, the power generation system comprises:
the damping device comprises a damping base, a shielding shell and a generator set;
the shock absorption base is arranged on the movable vehicle carrier, the shielding shell is arranged on the shock absorption base, and the generator set is arranged in the shielding shell;
the shielding shell is coated with an electric signal reflection coating, and the shielding shell is in lap joint with the mobile vehicle carrying ground.
Preferably, the generator set comprises:
a diesel generator, an alternator, and a controller;
the diesel generator, the alternating current engine and the controller are sequentially arranged in the shielding shell;
the controller connecting cable adopts a shielded twisted pair, and the controller ground is separated from the shielding shell ground.
Adopt the utility model discloses complicated electromagnetic environment assesses high protection and removes test vehicle, can satisfy the electromagnetic compatibility test requirement of domestic main electromagnetic compatibility examination standards such as GJB8848-2016, GJB1389A-2005, GJB151A-1997, GJB151B-2013, GJB5313-2004, GB12190, accomplish including safety margin, the system is from compatible, outside radio frequency environment, electric lapping, electrostatic discharge, outside discharge, electromagnetic radiation harm, many kinds of test items such as shielding efficiency test, can accomplish the electronic equipment performance index test evaluation work under the strong electromagnetic environment.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is an interior layout diagram of a complex electromagnetic environment evaluation high-protection mobile test vehicle provided by an embodiment of the present invention;
fig. 2 is a schematic block diagram of a conduction safety margin of a measurement and control system provided by an embodiment of the present invention;
fig. 3 is a schematic block diagram of a radiation safety margin (electromagnetic interference signal reception) of the measurement and control system provided by the embodiment of the present invention;
FIG. 4 is a schematic block diagram of the measurement and control system radiation safety margin and the external RF environment (the increase of the EMI signal is greater than or equal to 6dB transmission);
fig. 5 is a schematic structural view of an extravehicular front wall surface of the mobile test vehicle for evaluating a high protection level in a complex electromagnetic environment provided by an embodiment of the present invention;
fig. 6 is a schematic structural view of an outboard rear wall surface of the complex electromagnetic environment evaluation high-protection mobile test vehicle provided by the embodiment of the utility model;
fig. 7 is a schematic structural view of an outboard side wall surface of the mobile test vehicle for evaluating high protection in a complex electromagnetic environment, provided by the embodiment of the present invention;
fig. 8 is a schematic structural view of another sidewall of the mobile testing vehicle outside the cabin for evaluating a high protection in a complex electromagnetic environment according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The embodiment of the utility model provides a complicated electromagnetic environment assesses high protection mobile test car, the cabin overall arrangement is as shown in figure 1, and the extravehicular structure is as shown in figure 8, include: the system comprises a mobile vehicle carrier 10, a high-shielding-efficiency shelter structure 12 and a power generation system 14;
the high-shielding-efficiency shelter structure 12 is arranged above the mobile vehicle carrier 10, and the power generation system 14 is arranged above the mobile vehicle carrier 10 and is positioned between the locomotive of the mobile vehicle carrier 10 and the high-shielding-efficiency shelter structure 12;
the high shielding effectiveness shelter structure 12 is configured to shield electronic devices installed in the high shielding effectiveness shelter structure 12 itself from electromagnetic interference during a complex electromagnetic environment evaluation.
Wherein, the shelter structure 12 with high shielding effectiveness comprises:
a sandwich panel cabin 120, an antenna lifting system 122, a monitoring system 124, and an air conditioning system 126;
the sandwich board cabin 120 is arranged above the mobile car 10, the antenna lifting system 122 is arranged on the upper wall surface and the rear wall surface of the sandwich board cabin 120, the monitoring system 124 is arranged on the upper wall surface of the sandwich board cabin 120, and the air conditioning system 126 is arranged on the sandwich board cabin 120.
Wherein the sandwich panel cabin 120 comprises:
the system comprises a rectangular cabin 1200, an internal shielding door 1201, a power adapter plate 1202, a filter 1203, a pair of signal adapter plates 1204, two external shielding doors 1205 and two pairs of waveguide windows 1206;
the rectangular cabin body 1200 is arranged above the mobile carrier vehicle 10, the built-in shielding door 1201 is arranged in the rectangular cabin body 1200 and is used for dividing the rectangular cabin body 1200 into two cabins, the two cabins are an operation cabin and a working cabin respectively, and a wall-passing cable, a transfer plate and a data communication cable between the operation cabin and the working cabin are all designed in a filtering mode;
the two external shielding doors 1205 are arranged on the same side wall surface of the rectangular cabin body 1200 and are used for operators to enter and exit the two cabins of the rectangular cabin body 1200, and the internal shielding door 1201 and the external shielding doors 1205 both adopt double-blade three-spring shielding doors, so that a good shielding effect between the two cabins can be realized;
the pair of signal adapter plates 1204 are arranged on the side wall surface of the rectangular cabin body 1200, which is not provided with the external shielding door 1205, and are used for leading in signals and/or leading out signals;
the power adapter plate 1202 is disposed on a side wall surface of the rectangular cabin 1200, which is not provided with the external shielding door 1205, and is used for carrying current;
the filter 1203 is disposed on the power adapter plate 1202 and configured to shield electromagnetic interference of the power adapter plate 1202;
two pairs of waveguide windows 1206 are respectively arranged on two side wall surfaces of the rectangular cabin body 1200 and are used for shielding electromagnetic interference and ventilating.
The rectangular cabin body 1200 edge junction is coated with conductive protection liquid and is adhered with a shielding adhesive tape, a shielding finger spring is arranged in the rectangular cabin body 1200, a shielding nickel net is arranged at the corner wrapping position of the rectangular cabin body 1200, the waveguide window 1206 and the rectangular cabin body 1200 junction are coated with the conductive protection liquid, electromagnetic leakage is avoided, the external shielding door 1205 and the rectangular cabin body 1200 and the built-in shielding door 1201 and the rectangular cabin body 1200 are connected through a steel structure frame, and good electrical continuity is guaranteed.
Wherein, the monitoring system 124 comprises:
a holder motor 1240, a cylinder housing 1241, a side shield 1242, a shield glass 1243, a glass window 1244, an imaging module 1245, a control module 1246, a power module 1247 and a rear cover 1248;
the pan/tilt/zoom motor 1240 is arranged on the upper wall surface of the rectangular cabin body 1200, the cylinder housing 1241 is arranged on the pan/tilt/zoom motor 1240, the side shield 1242 is arranged on the inner wall surface of the cylinder housing 1241, the shielding glass 1243 is arranged on one bottom surface of the cylinder housing 1241, the glass window 1244, the imaging module 1245, the control module 1246 and the power module 1247 are arranged in the cylinder housing 1241 in sequence, the glass window 1244 is positioned in the cylinder housing 1241 and close to one side of the shielding glass 1243, and the rear cover 1248 is arranged on the other bottom surface of the cylinder housing 1241;
electromagnetic radiation emission and sensitivity test are respectively carried out on the whole of a common video surveillance camera and all parts, and key protection parts are found out: the imaging module 1245, the holder motor 1240, the control module 1246 and the power module 1247 adopt the following solutions for each part:
(1) the imaging module 1245 site addresses both optical window and interface aperture designs. Firstly, an optical window protection design is carried out, and anti-interference protection is enhanced by directly adopting shielding glass 1243 coated on an optical window lens; then, adopting a conductive rubber strip and a beryllium copper yellow sheet to carry out protection treatment on an interface gap;
(2) the tripod head motor 1240 starts from the two aspects of the tripod head and the motor rotating shaft, the special structural design and modification are carried out on the electromagnetic radiation part of the motor, and the characteristic of easy disturbance is solved by adopting ceramic special materials on the premise of not influencing the use;
(3) the part protection of the control module 1246 is considered from the aspect of the control module 1246 circuit, the control circuit is modified, the reference ground wire is separated from the shell, and the control circuit module is processed by using a wrapping type shielding method;
(4) in view of the power adapter itself, the power module 1247 is embedded and integrated in the camera housing, and is directly shielded by using copper foil.
Specifically, a conductive rubber strip is arranged between the shielding glass 1243 and the cylinder housing 1241, a beryllium copper yellow sheet is arranged at a contact position of the rear cover 1248 and the bottom surface of the cylinder housing 1241, a conductive rubber strip is arranged at a contact position of the rear cover 1248 and the side surface of the cylinder housing 1241, and the control module 1246 and the power module 1247 are both subjected to shielding and wrapping treatment.
Wherein, the air conditioning system 126 includes:
an air conditioner host 1260, an air conditioner electronic control module 1262, a ventilation pipeline 1264 and a compressor 1266;
air conditioner host 1260 set up in wall before the rectangle cabin 1200, air conditioner electric control module 1262 set up in air conditioner host 1260 with on the rectangle cabin 1200 binding face, and shield the parcel and handle, air pipe 1264 set up in the rectangle cabin 1200, compressor 1266 set up in the air conditioner host 1260, compressor 1266 business turn over power supply cable adopts the shielding twisted pair, just power supply cable joint department parcel has the shielding sticky tape.
Wherein the air conditioner electronic control module 1262 includes:
a weak current control unit 12620 and a strong current control unit 12622;
the weak current control unit 12620 and the strong current control unit 12622 are grounded separately and are separated from the housing of the air conditioner main unit 1260.
Wherein the power generation system 14 comprises:
a vibration damping mount 140, a shielding shell 142 and a generator set 144;
the shock absorption base 140 is arranged on the mobile vehicle 10, the shielding shell 142 is arranged on the shock absorption base 140, and the generator set 144 is arranged in the shielding shell 142;
the shielding shell 142 is coated with an electric signal reflection coating, and the shielding shell 142 is in lap joint with the mobile carrier vehicle 10.
The generator set 144 mainly includes a diesel generator 1440, an ac engine 1442, and a controller 1444, the vulnerable part is mainly the controller 1444, the shielding design processing is performed on the power generation controller 1444, the shielding measure is taken on the connecting cable of the controller 1444, and the control signal is separately designed, specifically embodied as:
the controller 1444 is connected to the cable using a shielded twisted pair, and the controller 1444 is ground separated from the shielded housing 142.
The complex electromagnetic environment evaluation high-protection mobile test vehicle is used for the following tests, and can be additionally provided with required equipment in/out of a cabin according to actual test requirements:
(1) the transmission safety margin test is to receive a transmitted signal transmitted by a tested piece through equipment such as an EMC test software program-controlled power amplifier, a signal source, a power meter and a spectrometer through a monitoring probe, then to increase at least 6dB safety margin to inject an interference electromagnetic signal, and to confirm whether a sensitive phenomenon occurs through the working state of the monitoring equipment.
The system integration building scheme is shown in figure 2.
(2) The radiation safety margin receives an interference signal emitted by a tested piece through an antenna, the interference signal is analyzed through a frequency spectrograph, and then electromagnetic interference is applied to the tested piece to monitor whether a sensitive phenomenon occurs. The safety margin test can realize the automatic test of a ground system, an airplane and a ship; the method and the device realize monitoring, recording and defining of electromagnetic environment, can capture and display the change of any signal (including discontinuous signals such as instantaneous pulse, frequency hopping and the like) along with time, can play back at any time, accurately apply electromagnetic interference and facilitate analysis of the relation between the interference and index parameters. The system integration building scheme is shown in figure 3.
(3) The main equipment for testing the external radio frequency environment comprises a signal source, a power amplifier, a transmitting antenna, a power meter, a field intensity meter and the like, and is shared with transmitting test equipment in a radiation safety margin, and equipment such as a power amplifier, the signal source, a change-over switch, an antenna and the like is controlled through EMC test software, so that a required interference limit value is applied to a tested piece, and whether a sensitive phenomenon exists is monitored. The system integration building scheme is shown in figure 4.
(4) The shielding effectiveness testing system mainly comprises a frequency spectrograph, a signal source, a power amplifier and an antenna group. The frequency spectrograph, the signal source and the power amplifier can be shared with the system electromagnetic compatibility test system. Because the testing position can be in a narrow area, such as a maintenance channel, a top, a ventilation opening, a waveguide opening and the like, the portable antenna group is selected to be assembled for measurement.
(5) The electric lapping and the electrostatic discharge are single-host operation experiments, the storage position of the host is designed and reserved in the cabin body, and the operation is removed during the test.
(6) The national military standard experiment test equipment comprises a signal source, a power meter, a power amplifier, a receiver, a receiving antenna, a transmitting antenna, a pre-selection amplifier, a field intensity meter, a power probe, a current probe, an oscilloscope, an LISN, a change-over switch, a program control computer, measurement and control software, an attenuator, a directional coupler, an isolation transformer, a feedthrough capacitor, a specific waveform (peak, damping oscillation, surge) signal generating device, a matched cable, a switching device and other equipment, wherein most of the equipment is shared with a safety margin test system, an external radio frequency environment test system and other test systems, installation space is reserved in system design for other system equipment, and storage space is reserved in an equipment cabinet for accessories and other auxiliary devices.
The complex electromagnetic environment evaluation high-protection mobile test vehicle has the advantages that the internal design and the external design meet basic test requirements, comprehensive optimization consideration design is carried out on comfort, convenience in operation, convenience in use, environmental adaptability and matching integrity of application, and the complex electromagnetic environment evaluation high-protection mobile test vehicle is a real practical multifunctional mobile test system while meeting the test. The internal and external structure is optimally designed as follows, and is detailed in figures 1, 5, 6, 7 and 8:
(1) one antenna cabinet 20, one storage counter 22 and two sets of equipment cabinets 24 are arranged behind the operation cabin. The antenna cabinet 20 houses various antennas and other test equipment. A meter moving box 26 and a moving wire wheel 28 are disposed within the storage counter 22. The front part is provided with a set of operation desk cabinets 30, one aviation seat 32, a temperature and humidity meter 34, a coat hook 36, an interphone 38, a lamp switch panel 40 and an air conditioner remote controller panel 42;
(2) two sets of power amplifier rack 44 are installed to the work cabin, and switch board 46 is one set, and power amplifier rack 44 left rear portion leaves operating space, and convenient maintenance and rear portion equipment are walked the line, if the equipment is overheated in power amplifier rack 44, can install the wind channel additional at the rear portion and dispel the heat simultaneously. The bottom and top mounting of the equipment cabinet 24 provides for overall damping of the cabinet for protection of the equipment. So as to adapt to severe road conditions;
(3) the layout outside the cabin adopts practical layout consideration, the mute generator set is arranged on the right side of the auxiliary frame platform between the front wall and the cockpit for vehicle-mounted use, and the generator considers the design of rain prevention and is provided with a sound insulation cabin body and a damping device;
(4) the vehicle-mounted air conditioner is arranged right above the front wall, the air conditioner adopts rainproof measures, a wire protection groove is added to an air conditioner pipeline, an air conditioner drainage pipe is connected to the lower part of the chassis in a transfer mode, it is guaranteed that air conditioner condensate water is not directly drained onto a chassis platform, the mounting position of an air conditioner frame is locally reinforced, and sufficient strength and rigidity are guaranteed;
(5) the left side of the rear wall of the cabin body is provided with 1 pair of top-climbing ladders 48 which are fixed and adopt a folding structure, the ground clearance after unfolding is less than 520mm, the top-climbing ladders do not exceed the rear cabin wall by 170mm after folding, handrails are arranged at the corresponding parts of the cabin top, the top-climbing ladders are convenient to climb, firm and reliable, and enough activity space is ensured, and the right side of the right part of the rear wall of the cabin body is provided with one set of manual lifting rods 50 for lifting an antenna;
(6) 1 set of boarding ladder 52 is arranged in the auxiliary frame below the cabin body, and a limit pin is arranged on the side surface of the boarding ladder and can be used for limiting the boarding ladder in the driving process;
(7) the front part below the auxiliary frame is provided with 1 cable reel box 54;
(8) a small door is arranged outside the waveguide window on the bulkhead and is turned over from bottom to top to be opened, and a rain-proof brim is arranged above the small door. An angle ladder is designed on the front upright post of the right bulkhead, and an angle ladder handrail is arranged at the position corresponding to the cabin top, so that the right bulkhead can climb to the cabin top from the position. A tool box 56 is arranged at the front part below the auxiliary frame, and devices such as ground nails, grounding wires, nail extractors, skid pads and the like are stored inside the tool box;
(9) the roof top is provided with one set of antenna supports, namely an electric antenna support 58 and two sets of manual antenna supports 60, the control boxes of the electric antenna supports 58 are all arranged in a cab, the middle part of the roof is provided with one signal transfer box 62 for signal transfer of a cabin roof instrument, and the middle rear part of the roof is provided with 1 accessory box 64, so that the roof has a rain-proof function and can be used for storing vehicle-mounted accessories such as camera supports.
Cabin body structure is synthesized to the above cabin body, cabin body overall arrangement, system configuration, and system comprehensive testing ability, electromagnetic protection design, protection index, system function etc. are in the utility model discloses a protection scope the utility model discloses an any modification, equivalent replacement and improvement etc. of doing within spirit and the principle all should contain within the protection scope the utility model discloses an.
In the embodiment of the utility model, through the reasonable layout design to the cabin body, the comprehensive planning design of electronic and electrical equipment has solved the self-interference problem, through the material selection to the cabin body, the protection of trompil is handled, the filtering of power is handled, the shielding safeguard measure has been taken to the detail parts such as vent, air conditioner business turn over wind gap, cable and shield door, whole cabin comprehensive shielding efficiency can reach 10 kHz-18 GHz and be greater than 70dB, 18 GHz-40 GHz is greater than 50dB, be higher than the average protection index of the mobile test car of the same kind, and satisfy personnel's safety when testing under the strong electromagnetic environmental condition;
by strictly shielding and protecting the monitoring system, the monitoring system can bear 800V/m continuous electromagnetic wave radiation and can adapt to electromagnetic evaluation work under the condition of a high-field-intensity electromagnetic environment; by optimizing the structural design of the cabin body, reasonably designing the connection mode of the shielding door and the cabin body, and reinforcing and processing the hole seam and the opening, the shielding effectiveness can reach that 10 kHz-18 GHz is more than 70dB, 18 GHz-40 GHz is more than 50dB, the maximum shielding effectiveness of 70dB can attenuate 3000 times of an external complex electromagnetic environment electromagnetic field and is higher than the protection level of the same square cabin in the market, so that the technical index of the high-shielding-effectiveness square cabin structure protection recorded in the embodiment is higher than that of the same test square cabin, and the high-shielding-effectiveness square cabin structure protection capability can be provided with electromagnetic test evaluation capability under various complex electromagnetic environment conditions of sea, land and air; the mobile electromagnetic environment test and evaluation system has a relatively complex structure and complete functions, can meet the comprehensive performance evaluation of equipment in a complex electromagnetic environment, the system electromagnetic compatibility test and the acquisition and monitoring functions of a battlefield electromagnetic environment, and is a mobile electromagnetic environment test and evaluation system with extremely strong comprehensive performance.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a high protection mobile test car is appraised to complicated electromagnetic environment which characterized in that includes: the system comprises a mobile vehicle, a high-shielding-efficiency shelter structure and a power generation system;
the high-shielding-efficiency shelter structure is arranged above the movable carrier vehicle, and the power generation system is arranged above the movable carrier vehicle and is positioned between the movable carrier vehicle head and the high-shielding-efficiency shelter structure.
2. The complex electromagnetic environment assessment high-protection mobile test vehicle of claim 1, wherein the high-shielding-efficiency shelter structure comprises:
the sandwich board cabin comprises a sandwich board cabin body, an antenna lifting system, a camera system and an air conditioning system;
the battenboard cabin body set up in remove and carry the car top, antenna operating system set up in battenboard cabin body upper wall and back wall, camera system set up in battenboard cabin body upper wall, air conditioning system set up in on the battenboard cabin body.
3. The complex electromagnetic environment assessment high-protection mobile test vehicle of claim 2, wherein the sandwich panel cabin comprises:
the shielding door comprises a rectangular cabin body, two external double-blade three-spring shielding doors, an internal double-blade three-spring shielding door, a pair of signal adapter plates, a power adapter plate and two pairs of waveguide windows;
the rectangular cabin body is arranged above the mobile vehicle, the two external double-blade three-spring shielding doors are arranged on the same side wall surface of the rectangular cabin body, the internal double-blade three-spring shielding doors are arranged in the rectangular cabin body, the pair of signal switching plates are arranged on the side wall surfaces of the external double-blade three-spring shielding doors, which are not arranged on the rectangular cabin body, the power switching plates are arranged on the side wall surfaces of the external double-blade three-spring shielding doors, which are not arranged on the rectangular cabin body, and the two pairs of waveguide windows are respectively arranged on the two side wall surfaces of the rectangular cabin body.
4. The complex electromagnetic environment evaluation high-protection mobile test vehicle of claim 3,
the shielding device is characterized in that a conductive protection liquid is coated at the edge joint of the rectangular cabin body and is adhered with a shielding adhesive tape, shielding finger springs are arranged in the rectangular cabin body, shielding nickel nets are arranged at the wrap corners of the rectangular cabin body, conductive protection liquid is coated at the joints of the two pairs of waveguide windows and the rectangular cabin body, and the two external double-blade three-spring doors are connected with the rectangular cabin body and the two built-in double-blade three-spring doors are connected with the rectangular cabin body by steel structure frames.
5. The complex electromagnetic environment assessment high-protection mobile test vehicle of claim 3, wherein the antenna lifting system comprises:
the antenna comprises a ladder stand, a lifting rod and an antenna bracket;
the crawling ladder is arranged on the rear wall face of the rectangular cabin body, the lifting rod is arranged on the rear wall face of the rectangular cabin body, and the antenna support is arranged on the upper wall face of the rectangular cabin body.
6. The complex electromagnetic environment assessment high-protection mobile test vehicle of claim 3, wherein the camera system comprises:
the device comprises a holder motor, a cylinder shell, a side shield, shielding glass, a glass window, an imaging module, a control module, a power module and a rear cover;
the cloud platform motor set up in rectangle cabin body upper wall, the drum shell set up in on the cloud platform motor, the side shield set up in drum shell internal face, shielding glass set up in a drum shell bottom surface, glass window, imaging module, control module and power module set gradually in the drum shell, just the glass window is located be close to in the drum shell shielding glass one side, the back lid set up in another bottom surface of drum shell.
7. The complex electromagnetic environment evaluation high-protection mobile test vehicle of claim 6,
a conductive rubber strip is arranged between the shielding glass and the cylinder shell, a beryllium copper yellow sheet is arranged at the contact position of the rear cover and the bottom surface of the cylinder shell, a conductive rubber strip is arranged at the contact position of the rear cover and the side surface of the cylinder shell, and copper foils are wrapped on the control module and the power module.
8. The complex electromagnetic environment assessment high-protection mobile test vehicle of claim 3, wherein the air conditioning system comprises:
the air conditioner comprises an air conditioner host, an air conditioner electric control module, a ventilation pipeline and a compressor;
the air conditioner host is arranged on the front wall surface of the rectangular cabin body, the air conditioner electric control module is arranged on the binding surface of the air conditioner host and the rectangular cabin body and is used for shielding and wrapping, the ventilating duct is arranged in the rectangular cabin body, the compressor is arranged in the air conditioner host, a power supply cable for the compressor to enter and exit adopts a shielding twisted pair, and a shielding adhesive tape is wrapped at the joint of the power supply cable;
the air conditioner electric control module comprises a weak current control unit and a strong current control unit;
the weak current control unit and the strong current control unit are respectively and independently grounded and are separated from the shell of the air conditioner main machine.
9. The complex electromagnetic environment assessment high-protection mobile test vehicle of claim 1, wherein the power generation system comprises:
the damping device comprises a damping base, a shielding shell and a generator set;
the shock absorption base is arranged on the movable vehicle carrier, the shielding shell is arranged on the shock absorption base, and the generator set is arranged in the shielding shell;
the shielding shell is coated with an electric signal reflection coating, and the shielding shell is in lap joint with the mobile vehicle carrying ground.
10. The complex electromagnetic environment assessment high-protection mobile test vehicle of claim 9, wherein the generator set comprises:
a diesel generator, an alternator, and a controller;
the diesel generator, the alternating current engine and the controller are sequentially arranged in the shielding shell;
the controller connection cable employs a shielded twisted pair with the controller ground separated from the shielded enclosure ground.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112698166A (en) * | 2020-12-21 | 2021-04-23 | 青海电研科技有限责任公司 | Combined integrated test device |
| CN114062792A (en) * | 2021-12-20 | 2022-02-18 | 成都四威功率电子科技有限公司 | Outfield mobile multi-degree-of-freedom radiation automatic test vehicle and use method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112698166A (en) * | 2020-12-21 | 2021-04-23 | 青海电研科技有限责任公司 | Combined integrated test device |
| CN114062792A (en) * | 2021-12-20 | 2022-02-18 | 成都四威功率电子科技有限公司 | Outfield mobile multi-degree-of-freedom radiation automatic test vehicle and use method thereof |
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