CN208227480U - A kind of adjustable handling capacity double frequency of aerial position is same to run shielded box - Google Patents

Abstract

The utility model is suitable for MIMO technology Throughput field, a kind of adjustable handling capacity double frequency of aerial position is provided with running shielded box, including the upper box and lower box being independently arranged, upper box is provided with the screened room for being tested product, lower box is provided with the canyon for loading test equipment, upper box and lower box are stacked and the bottom surface of upper box is connected to the top surface of upper box, it is provided in screened room for antenna and bracket that antenna can be made to move on X, Y and Z-direction, and bracket is set on the inner wall of upper box.The adjustable handling capacity double frequency of a kind of aerial position provided by the utility model is same to run shielded box, it can simplify structural framing, keep installation operation more easy, promote the convenience of operation, test environment can be solidified, ensure to test the consistency of environment, while the comprehensive of product test result also can be improved, to accurately test out the actual performance of product.

Description

A kind of adjustable handling capacity double frequency of aerial position is same to run shielded box

Technical field

The utility model belongs to MIMO technology Throughput field more particularly to a kind of aerial position is adjustable handles up Amount double frequency is same to run shielded box.

Background technique

In recent years, as wireless network is prevailing, high-order mimo technology is gradually popularized and the use of high-gain aerial, the nothings such as AP Its product antenna amount of line product manufacturer gradually increases, and model machine size becomes greatly, and more rapidly, it is more stable and more efficient logical News quality is that the direction that each radio communication product is promoted cannot pass through however, influence wireless telecommunications product qualitative factor is very various Theoretical fine derivation, therefore the product of each manufacturer's shipment all has to pass through testing throughput, to prove the communication of its wireless product Quality faces various types of wireless products, and existing small shielded box exposes following problem: 1, bulk is unable to satisfy survey Examination demand；2, antennal interface quantity is gradually unable to satisfy existing and subsequent high-order product test demand；3, aerial position is non-adjustable, Multiple groups, which close complex antenna structure product, can not adjust out optimum polarization orientation, and model machine actual performance is difficult to assess, and repeatedly attempts Putting model machine position can take considerable time and ineffective；4, isolation is unable to satisfy testing requirement.

Now it will be set up again before test every time with handling capacity fixed environment is run without double frequency, introduce following problem:

Accompany the wireless board/network interface card of survey that can only place outside shielded box, wireless network card is caused finally to survey by ambient enviroment interference Data are tried with extraneous random fluctuation, consistency is poor, can not accurately measure model machine actual performance；

It accompanies and surveys board according to the coordination use of existing notebook service condition, therefore rebuild environment every time and be difficult to be consistent, Cause test environment reproduction difficulty big, research and development debug is difficult；

Recombination environment occupies the plenty of time every time, and extraneous random disturbances often lead to be repeated several times test, environment it is low Repeatability can also make to research and develop the debug occupancy plenty of time and then influence the testing efficiency of project entirety.

Utility model content

The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, and it is adjustable to provide a kind of aerial position Handling capacity double frequency optimizes system structure with shielded box is run, and improves the convenience of installation and promotes operation just Benefit, and by solidification test environment, shorten test period, improve testing efficiency, moreover it is possible to accurately test out the authenticity of product Energy.

The technical solution of the utility model is: a kind of adjustable handling capacity double frequency of aerial position is same to run shielded box, including The upper box and lower box being independently arranged, the upper box are provided with the screened room for being tested product, the nowel Body is provided with the canyon for loading test equipment, and the upper box and the lower box are stacked and the upper box Bottom surface is connected to the top surface of the upper box, is provided in the screened room for loading, and antenna and the antenna can be made in X, Y With the bracket moved in Z-direction, and the bracket be set to the upper box inner wall on.

Specifically, at least three groups of the bracket, the bracket include left fixed frame, right fixed frame, slide bar and antenna support Frame, the left fixed frame and the right fixed frame are respectively fixedly connected in the inner wall of the upper box, one end of the slide bar with The left fixed frame connection, the other end are connect with the right fixed frame, and the aerial bracket is slidably connected on the slide bar.

Specifically, the aerial bracket includes sliding block, the first bracket arm, the second bracket arm and saddle, first bracket One end axis of arm is rotationally connected with the sliding block, and the other end axis of first bracket arm is rotationally connected with second bracket arm One end, the other end axis of second bracket arm is rotationally connected with the saddle.

Specifically, the aerial bracket includes sliding block, the first bracket arm, the second bracket arm and saddle, first bracket One end of arm is rotationally connected with the sliding block by spherical joint, and the other end of first bracket arm is rotated by spherical joint It is connected to one end of second bracket arm, the other end of second bracket arm is rotationally connected with the support by spherical joint Platform.

Specifically, the settable lock screw fixed to the slider locking of the sliding block, the lock screw pass through institute It states sliding block and is resisted against the slide bar.

Specifically, the bottom surface of the upper box is provided with connection jaws, and the top surface of the lower box is provided with and the wiring Opening is evaded in mouth cooperation.

Specifically, the shielding ring for shielded signal is provided with around the connection jaws, it is described to evade around opening It is correspondingly arranged on the seal groove for accommodating the shielding ring.

Specifically, the upper box is provided with shield door, and the shield door is set to the side of the upper box, the nowel Body is provided with appliance doors, and the appliance doors are set to the side of the lower box, and the shield door and the upper box, described sets Sealing element is provided between standby door and the lower box.

Specifically, the upper box and the tank wall of the lower box opposite sides be respectively arranged with heat dissipation air port, it is described on The heat dissipation air port on cabinet and the lower box side is air inlet, on the upper box and the lower box other side The heat dissipation air port is air outlet.

Specifically, at least two groups of the heat dissipation air port on the upper box, the institute on the lower box State at least two groups of air port of heat dissipation.

The adjustable handling capacity double frequency of a kind of aerial position provided by the utility model is with shielded box is run, by that will shield Room and canyon Combination Design are covered, to optimize structure, the preparation before simplifying test keeps mode of operation stylized, promotes behaviour The convenience of work；By the way that by screened room modularized design, environment is tested in solidification, it is ensured that the consistency for testing environment avoids every time It needs to build test environment before test again, the time needed for reducing recombination test environment, shortens test period, ambient cure is also It is more convenient that debug can be made to research and develop, can more quick and precisely orientation problem point, improve testing efficiency；It is indoor by making to shield Antenna is able to satisfy test product to the optimum polarization direction setting of multiple groups complex antenna, makes the knot of test in space free positioning Fruit is with more comprehensive, to accurately test out the actual performance of product.

Detailed description of the invention

In order to illustrate more clearly of the technical scheme in the embodiment of the utility model, will make below to required in embodiment Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings Other attached drawings.

Fig. 1 is a kind of adjustable handling capacity double frequency of aerial position provided by the embodiment of the utility model with race shielded box Structural schematic diagram；

Fig. 2 is a kind of adjustable handling capacity double frequency of aerial position provided by the embodiment of the utility model with race shielded box Main view；

Fig. 3 is a kind of adjustable handling capacity double frequency of aerial position provided by the embodiment of the utility model with race shielded box Right view；

Fig. 4 is a kind of adjustable handling capacity double frequency of aerial position provided by the embodiment of the utility model in race shielded box The structural schematic diagram of upper box；

Fig. 5 is a kind of adjustable handling capacity double frequency of aerial position provided by the embodiment of the utility model in race shielded box The bottom view of upper box；

Fig. 6 is a kind of adjustable handling capacity double frequency of aerial position provided by the embodiment of the utility model in race shielded box The structural schematic diagram of lower box；

Fig. 7 is a kind of adjustable handling capacity double frequency of aerial position provided by the embodiment of the utility model in race shielded box The structural schematic diagram of bracket；

Fig. 8 is the aerial bracket structural schematic diagram in Fig. 7.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.

It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element On one element or it may be simultaneously present centering elements.When an element is known as " being connected to " another element, it can To be directly to another element or may be simultaneously present centering elements.

It is only each other relatively it should also be noted that, the positional terms such as left and right, upper and lower in the utility model embodiment Concept or be reference with the normal operating condition of product, and should not be regarded as restrictive.

As shown in Figures 1 to 6, a kind of adjustable handling capacity double frequency of aerial position provided by the embodiment of the utility model is same Shielded box is run, can be used for 4T4R (maximum can support 8T8R) and WIFI product mono-/bis-frequency testing throughput.Including independently setting The upper box 1 and lower box 2 set, the upper box 1 are provided with the screened room 11 for being tested product, the lower box 2 are provided with the canyon 21 for loading test equipment, and the upper box 1 is stacked with the lower box 2 and the top box The bottom surface of body 1 is connected to the top surface of the upper box 1, is provided in the shielded box 11 for carrying antenna 35 and can make described The bracket 3 that antenna 35 moves on X, Y and Z-direction, and the bracket 3 is set on the inner wall of the upper box 1, i.e., the described support Frame 3 is located in the screened room 11.Upper box 1 and lower box 2 are separately provided, the internal environment of upper box 1 and lower box 2 is made It is individually present, avoids influence of the test process by equipment, it is ensured that the authenticity of test data；By by 11 modularization of screened room Design, to solidify test environment, it is ensured that test the consistent of environment, avoid needing to build test environment again before testing every time, subtract Few recombination test environment occupied time, shorten test period, while ambient cure can also make research and development debug more convenient, Can more quick and precisely orientation problem point, improve testing efficiency；Upper box 1 and lower box 2 can be stacked again, group unification Body can simplify the preceding preparation of test, keep mode of operation stylized, promote the convenience of operation；By being provided with bracket 3, Make antenna 35 that can move freely positioning on the space in screened room 11, realizes 35 position-adjustable of antenna, meet test product To the optimum polarization direction setting of multiple groups complex antenna, have more the result of test comprehensive, to accurately test out product Actual performance.

Specifically, the upper box 1 and the lower box 2 can be formed by connecting by metal plate by seamless welding.This reality With in new embodiment, upper box 1 is designed and sized to 1100mm*1150mm*750mm, by being designed and sized to for lower box 2 1100mm*1150mm*550mm not only can satisfy the demand to the test space, but also can effectively reduce machine volume.It can manage Xie Di, according to the actual needs of test, the size of the upper box 1 and lower box 2 may be other suitable numerical value.

Specifically, as shown in fig. 7, at least three groups of the bracket 3, the bracket 3 includes left fixed frame 31, right fixed frame 32, slide bar 33 and aerial bracket 34, the left fixed frame 31 and the right fixed frame 32 are respectively fixedly connected in the upper box 1 Inner wall, one end of the slide bar 33 connect with the left fixed frame 31, and the other end is connect with the right fixed frame 32, the day Line bracket 34 is slidably connected on the slide bar 33.The bracket 3 can be set to left side, right side and the rear side of screened room 11 Face may be provided with graduation mark on slide bar 33, can accurately adjust sliding distance of the aerial bracket 34 on slide bar 33, remember convenient for data Record.

Specifically, as shown in figure 8, the aerial bracket 3 includes sliding block 341, the first bracket arm 342, the second bracket arm 343 With saddle 344, sliding block 341 has through-hole and slide bar 33 passes through the through-hole, may be provided on saddle 344 for fixed antenna 35 Fixing piece, saddle 344 and antenna 35 are detachably connected setting, and convenient for removing idle antenna 35, avoidable product is surveyed Interfered when examination, influences test result；341 axis of sliding block is rotationally connected with one end of first bracket arm 342, described The other end axis of first bracket arm 342 is rotationally connected with one end of second bracket arm 343, second bracket arm 343 Other end axis is rotationally connected with the saddle 344, to realize that antenna can move freely positioning on the space in screened room 11； As another embodiment, one end of first bracket arm 342 is rotationally connected with the sliding block 341 by spherical joint, The other end of first bracket arm 342 is rotationally connected with one end of second bracket arm 343 by spherical joint, and described The other end of two bracket arms 343 is rotationally connected with the saddle 344 by spherical joint, keeps the turned position of antenna 35 more complete Face, without dead angle, test result is more true.

In the utility model embodiment, being arranged side by side in the trailing flank of screened room 11 has two groups of brackets 3, a left side for screened room 11 Right two sides are respectively arranged with one group of bracket 3, and there are four aerial brackets 34 for every group of setting of bracket 3, can meet the test need of product It wants.It will of course be understood that ground, the quantity of bracket 3 in screened room 11, the quantity of aerial bracket 34 may be in every group of bracket 3 Other suitable numerical value.

Specifically, the sliding block 341 may be provided with for being locked the sliding block 341 in the locking of the slide bar 33 Screw 345, the lock screw 345 pass through the sliding block 341 and are resisted against the slide bar 33, and anti-limited slip block 341 is in test process It moves.

Specifically, as shown in Figure 5 and Figure 6, the bottom surface of the upper box 1 is provided with connection jaws 12, the top of the lower box 2 Face, which is provided with, evades opening 22 with the connection jaws 12 cooperation, when assembly, so that the connection jaws 12 of 1 bottom surface of upper box is inserted into nowel Opening 22 is evaded in 2 top surface of body, and by 12 connecting test product of connection jaws and test equipment, keeps screened room 11 and canyon 21 internal environment neatly and orderlies are keeping upper box 1 and while 2 independence of lower box, increase upper box 1 and lower box 2 it Between connection can rationally be arranged to conducting wire by being provided with connection jaws 12, keep inside screened room 11 and canyon 21 Environment neatly and orderly.

Specifically, as shown in figure 5, being provided with the shielding ring 121 for shielded signal around the connection jaws 12, guarantee Screened room 11 makes screened room 11 by external interference, not keep the consistency of test environment the function of shielding of electromagnetic wave signal.For The test of the product of different size is adapted to, the connection jaws 12 are provided at least two groups, and the connection jaws 12 can be there are many Model combination of interfaces forms.

In the utility model embodiment, the connection jaws 12 of 1 bottom surface of upper box include four groups of 16 SMA RF (VSWR in total < 1.15@2GHz-6GHz) interface and a Complex interface, wherein Complex interface includes 2 USB3.0 interfaces, 8 1000MRJ45 Interface, 1 220V interface (3PIN universal contact), 1 RS323 interface and 1 12VDC interface, it is possible to understand that ground, SMA RF connect The quantity of mouth and Complex interface may be other suitable numerical value, and the type of Complex interface can also increase other types newly.

Specifically, as shown in fig. 6, it is described evade opening 22 around be correspondingly arranged on for accommodating the shielding ring 121 Seal groove 221, when upper box 1 stacking be placed on lower box 2 when, the bottom surface of upper box 1 and the top surface of lower box 2 can be made complete Fitting guarantees stability when upper box 1 is combined with lower box 2.

Specifically, as shown in Figure 1 to Figure 3, the upper box 1 is provided with shield door 111, and the shield door 111 is set to institute The side of upper box 1 is stated, the lower box 2 is provided with appliance doors 211, and the appliance doors 211 are set to the side of the lower box 2 Face, and sealing element is provided between the shield door 111 and the upper box 1, the appliance doors 211 and the lower box 2 4, the sealing element 4 can be copper splinter, be separately mounted to upper box 1 doorframe and shield door 111, lower box 2 doorframe and set On standby door 211, the copper splinter can be bent into right angle, be easily installed fixation.Closed state, the copper splinter of shield door 111 with it is upper The copper splinter of cabinet 1, the copper splinter of the copper splinter and lower box 2 of appliance doors 211 are bonded to each other, so that it is guaranteed that shield door 111 with There is good conducting continuity between upper box 1, appliance doors 211 and lower box 2, guarantee shield effectiveness.

In practical application, the shield door 111 is opened with the upper box 1, the appliance doors 211 with the lower box 2 Close angle is all larger than 90 °, convenient for the mounting and adjusting of equipment in screened room 11 and canyon 21, while can also make staff to top box The inside of body 1 and lower box 2 has the optimal visual field, convenient for observation test case.

Specifically, it is provided in the screened room 11 and (is not indicated in figure for the absorbing material of electromagnetic wave absorption signal Out), the absorbing material (not indicating in figure) can be tiled six faces of the completely described screened room, and the absorbing material (is not marked in figure Show) wave cotton can be inhaled for splitter or inhale wave rubber, can effective electromagnetic wave absorption signal, achieve the effect that shield interference signal, Ensure the shielding properties of screened room 11, keep the consistency of test environment, and its cost is relatively low, it is economical and practical.

Specifically, as depicted in figs. 1 and 2, the bottom surface of 1 screened room 11 of upper box is also provided with for loading test The test platform 5 of product is provided with the graduation mark for being positioned to test product position on the test platform 5, is convenient for Test product is positioned.

Specifically, as shown in Figure 1 to Figure 3, the upper box 1 and the lower box 2 are connected by steel plate 8, and bolt 81 is solid Fixed, the steel plate 8 may be provided with two pieces, and two steel plates 8 are respectively arranged on the upper box 1 and the lower box 2 connects The left and right sides at place；

Alternatively, the steel plate 8 may also set up four pieces, and four blocks of steel plates 8 are respectively arranged on the upper box 1 and described The surrounding of 2 junction of lower box.As another embodiment, upper box 1 and lower box 2 can also be carried out by movable buckle Connection, the movable buckle at least there are four, be distributed on the side of upper box 1 and lower box 2 respectively.

Specifically, as shown in Figures 1 to 6, the tank wall of 2 opposite sides of the upper box 1 and the lower box is respectively set There is heat dissipation air port 6, the heat dissipation air port 6 on 2 side of the upper box 1 and the lower box is air inlet, the upper box 1 It is air outlet with the heat dissipation air port 6 on 2 other side of lower box.Heat dissipation air port 6 may be provided with for guiding Indoor Air The radiator fan of body flowing, it is ensured that continuous, good cross-ventilation, heat loss through convection are formed in screened room 11 and canyon 21 Effect is good, avoids hot gas from gathering in screened room 11 and canyon 21 and leads to that the temperature of equipment is excessively high and off line, improves equipment The security reliability of operation guarantees that the equipment in screened room 11 and canyon 21 can realize round-the-clock running round the clock, utmostly Improve resource utilization and personnel's testing efficiency.

Specifically, at least two groups of the heat dissipation air port 6 on the upper box 1, on the lower box 2 At least two groups of the heat dissipation air port 6.Ensure that there is enough heat-sinking capabilities, guarantees screened room 11 and 21 inner air of canyon Circulation, improve heat dissipation effect, to ensure the normal operation of equipment.In the utility model embodiment, the upper box 1 is provided with Two groups of radiator fans 6, wind direction are to go with each other all the time, and the lower box 2 is provided with three groups of radiator fans 6, and wind direction goes out for three into three, when So, it is possible to understand that 6 groups of numbers of radiator fan of ground, the upper box 1 and the lower box 2 may be other suitable numerical value.

Specifically, as shown in Figure 1 to Figure 3, it is additionally provided with external equipment outside upper box 1 and is set for external described in support Standby external suspension bracket 7, and the external suspension bracket 7 can be turned with 1 junction of upper box as shaft using the external suspension bracket 7 Dynamic, the external equipment can be display, keyboard and mouse etc., and external suspension bracket 7 is set to upper box 1, has enough height Convenient for operation, the external suspension bracket 7 can be set to the shield door 111 at 1 closure of upper box, avoid shield door 111 or Appliance doors 211 stop the sight of staff in opening state.It is to be appreciated that the external suspension bracket 7 may be alternatively located at other conjunctions Suitable position.

Specifically, as shown in Figure 1 to Figure 3, on the lower box 2, use is additionally provided in the lower section of the external suspension bracket 7 In the communication interface 24 being connect with external device, practical application, it may be provided between external suspension bracket 7 and communication interface for walking The metallic channel 71 of line protection, prevents conducting wire exposed, vulnerable to corrosion and damage.In the utility model embodiment, the communication interface packet Include 2 USB3.0 interfaces (for external key mouse), 2 1000MRJ45 interfaces (interface spare for outer net), 1 220V (3PIN universal contact, for powering to external display equipment) and 1 USB interface.It will of course be understood that ground, according to test It needs, the type of communication interface 24 can also increase other types newly, and 24 quantity of communication interface may be other suitable numerical value.

Specifically, as shown in Figure 1 to Figure 3, the bottom of the lower box 2 may be provided with multiple wheel groups 23, make the handling capacity Double frequency is removable with shielding test device is run.

Specifically, it is also provided with temperature sensor in the screened room 11, indoor air can be shielded by control The adjusting to temperature in screened room 11 is realized in flowing, meets requirement of the test product to test temperature environment.

Specifically, the top of the upper box 1 and the lower box 2 may be provided with illuminator, and the headlamp The switch of tool is designed using chamber door trigger architecture.

Specifically, the illuminator can be LED light strip, and the LED light strip is set to the screened room 11 and the equipment The top surrounding of room 21, it is enough bright to being provided inside screened room 11 and canyon 21 under the premise of not influencing product test Degree, facilitates staff to adjust.

A kind of adjustable handling capacity double frequency of aerial position is same provided by the utility model embodiment runs shielded box, leads to It crosses 21 Combination Design of screened room 11 and canyon, optimizes structure, the preparation before capable of simplifying test makes mode of operation formula Change, promotes the convenience of operation；By the way that by 11 modularized design of screened room, environment is tested in solidification, it is ensured that tests the consistent of environment Property, it avoids needing to build test environment every time before testing again, reduces the recombination test environment occupied time, shorten test week Phase, while also to make to research and develop debug more convenient for ambient cure, can more quick and precisely orientation problem point, improve testing efficiency； By making antenna 35 move freely positioning on the space in screened room 11, realizes 35 position-adjustable of antenna, be able to satisfy test Product has more the result of test comprehensive, to accurately test out the optimum polarization direction setting of multiple groups complex antenna The actual performance of product.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modification, equivalent replacement or improvement etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. a kind of adjustable handling capacity double frequency of aerial position is same to run shielded box, which is characterized in that including the top box being independently arranged Body and lower box, the upper box are provided with the screened room for being tested product, and the lower box is provided with for filling Carry the canyon of test equipment, the upper box and the lower box are stacked and the bottom surface of the upper box be connected to it is described The top surface of upper box is provided with for antenna in the screened room and the antenna can be made to move on X, Y and Z-direction Bracket, and the bracket be set to the upper box inner wall on.

2. a kind of adjustable handling capacity double frequency of aerial position as described in claim 1 is same to run shielded box, which is characterized in that institute State at least three groups of bracket, the bracket includes left fixed frame, right fixed frame, slide bar and aerial bracket, the left fixed frame and The right fixed frame is respectively fixedly connected in the inner wall of the upper box, and one end of the slide bar is connect with the left fixed frame, The other end is connect with the right fixed frame, and the aerial bracket is slidably connected on the slide bar.

3. a kind of adjustable handling capacity double frequency of aerial position as claimed in claim 2 is same to run shielded box, which is characterized in that institute Stating aerial bracket includes sliding block, the first bracket arm, the second bracket arm and saddle, one end axis rotation connection of first bracket arm In the sliding block, the other end axis of first bracket arm is rotationally connected with one end of second bracket arm, second support The other end axis of boom is rotationally connected with the saddle.

4. a kind of adjustable handling capacity double frequency of aerial position as claimed in claim 2 is same to run shielded box, which is characterized in that institute Stating aerial bracket includes sliding block, the first bracket arm, the second bracket arm and saddle, and one end of first bracket arm is closed by spherical Section is rotationally connected with the sliding block, and the other end of first bracket arm is rotationally connected with second bracket by spherical joint The other end of one end of arm, second bracket arm is rotationally connected with the saddle by spherical joint.

5. the adjustable handling capacity double frequency of a kind of aerial position as described in any one of claim 3 or 4 runs shielded box together, It is characterized in that, the settable lock screw fixed to the slider locking of the sliding block, the lock screw passes through the sliding block It is resisted against the slide bar.

6. a kind of adjustable handling capacity double frequency of aerial position as described in claim 1 is same to run shielded box, which is characterized in that institute The bottom surface for stating upper box is provided with connection jaws, and the top surface of the lower box, which is provided with, evades opening with what the connection jaws cooperated.

7. a kind of adjustable handling capacity double frequency of aerial position as claimed in claim 6 is same to run shielded box, which is characterized in that institute State the shielding ring being provided with around connection jaws for shielded signal, it is described evade be correspondingly arranged on around opening for accommodating The seal groove of the shielding ring.

8. the adjustable handling capacity double frequency of a kind of aerial position as described in any one of claims 1 or 2 or 3 or 4 or 6 is the same as race Shielded box, which is characterized in that the upper box is provided with shield door, and the shield door is set to the side of the upper box, described Lower box is provided with appliance doors, and the appliance doors are set to the side of the lower box, and the shield door and the upper box, institute It states and is provided with sealing element between appliance doors and the lower box.

9. the adjustable handling capacity double frequency of a kind of aerial position as described in any one of claims 1 or 2 or 3 or 4 or 6 is the same as race Shielded box, which is characterized in that the upper box and the tank wall of the lower box opposite sides are respectively arranged with heat dissipation air port, described The heat dissipation air port on upper box and the lower box side is air inlet, on the upper box and the lower box other side The heat dissipation air port be air outlet.

10. a kind of adjustable handling capacity double frequency of aerial position as claimed in claim 9 is same to run shielded box, which is characterized in that At least two groups of the heat dissipation air port on the upper box, the heat dissipation air port on the lower box is at least Two groups.