CN109991629B - Tuner down converter shielding case detection equipment - Google Patents
Tuner down converter shielding case detection equipment Download PDFInfo
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- CN109991629B CN109991629B CN201910362093.5A CN201910362093A CN109991629B CN 109991629 B CN109991629 B CN 109991629B CN 201910362093 A CN201910362093 A CN 201910362093A CN 109991629 B CN109991629 B CN 109991629B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/23—Testing, monitoring, correcting or calibrating of receiver elements
- G01S19/235—Calibration of receiver components
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- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
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- General Physics & Mathematics (AREA)
- Structure Of Receivers (AREA)
Abstract
The invention provides a detection device for a shielding box of a tuner frequency demultiplier, which comprises a frequency spectrum emission source, a signal disrupter, a box body and an upper cover, wherein the frequency spectrum emission source and the signal disrupter are embedded and fixed on the front end face of the box body, the frequency spectrum emission source is positioned on the right side of the signal disrupter, the upper end of the box body is fixedly connected with the upper cover through a bolt, a protection mechanism is arranged between the box body and the upper cover, and a supporting mechanism is fixed on the lower end face of the box body. The protection purpose is realized, the device is convenient to stably support, the double-layer shielding purpose is also realized, the tuner frequency reducer is convenient to stably place, and the sound absorption and noise reduction effects are good.
Description
Technical Field
The invention relates to shielding box detection equipment of a tuner frequency reducer, and belongs to the field of shielding box detection equipment.
Background
The tuner is the most core element of the digital satellite signal receiving system, the performance of the tuner directly influences the quality factor of the antenna, is an important evaluation index for the weak signal receiving capacity of the antenna, and is very important for researching the application of the tuner in the digital satellite signal receiving system and improving the working performance of the digital satellite signal receiving system.
The existing shielding box does not have the function of protecting the spectrum emission source and the signal interference device, so that the spectrum emission source and the signal interference device are exposed when not used, dust is easy to fall, the shielding box is inconvenient to stably place, the existing shielding box only has the function of one-layer shielding, and the shielding effect is poor.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a detection device for a shielding box of a tuner frequency reducer, so as to solve the problems in the background art.
In order to achieve the above object, the present invention is realized by the following technical scheme: the utility model provides a tuner frequency-reducing device shielding case check out test set, includes frequency spectrum emission source, signal interference ware, box and upper cover, frequency spectrum emission source and signal interference ware are all inlayed and are fixed terminal surface before the box, frequency spectrum emission source is located signal interference ware right side, the box upper end passes through bolt and upper cover fixed connection, be provided with protection machanism between box and the upper cover, the terminal surface is fixed with supporting mechanism under the box, supporting mechanism includes curb plate, hollow cylinder, threaded rod, piston block, dead lever, bottom plate, cavity, miniature sucking disc, rolling plate, bull stick, protective cloth and connecting strip, protection machanism includes guide bar, spring, upper protective cover, lower protective cover, abatvoix, cavity bed plate, splint, elastic rubber cover and pull rod.
Further, in the supporting mechanism, the bottom plate up end is fixed with the box, the box left and right sides all is provided with the curb plate, the curb plate lower extreme is rotated through dead lever and bottom plate left end and right-hand member and is connected, both ends all rotate through pivot and rotor plate around in the curb plate and be connected, rotor plate internal processing has the cavity, the cavity inner is linked together through trachea and miniature sucking disc, miniature sucking disc inlays and fixes at rotor plate inner face, and miniature sucking disc adsorbs and fix at box left end and right-hand member, rotor plate outer face inlays and is fixed with the cavity section of thick bamboo, cavity section of thick bamboo left end is connected with the threaded rod through the screw thread, the threaded rod inner is rotated through the bearing and is connected with the piston piece, the piston piece is located inside the cavity section of thick bamboo, the cavity section of thick bamboo is linked together with the cavity, the front portion internal rotation of curb plate is connected with the bull stick, the winding of bull stick annular side is connected with the protection cloth, protection cloth inner is connected with the connecting rod, the connecting rod is located the curb plate inner face.
Further, the connecting strips are arranged in two, the two connecting strips are located at the left edge position and the right edge position of the front side of the box body respectively, the two inner end faces of the connecting strips are respectively stuck and fixed with a magic hook face patch and a magic hook face patch, the magic hook face patch and the magic hook face patch are convenient to connect the two connecting strips with each other, and then the frequency spectrum emission source and the signal interference device are protected through protective cloth.
Further, the miniature sucking disc is equipped with at least two, and at least two miniature sucking disc evenly inlays and fixes at the curb plate terminal surface in, the threaded rod outer end face is fixed with the handle, rotates the rotor plate, realizes driving miniature sucking disc and rotates to adsorb fixedly to supporting platform through miniature sucking disc, realizes carrying out stable support to this device.
Further, in the protection machanism, the bottom is fixed with lower protective cover in the box, lower protective cover upper end is provided with the upper protective cover, the upper protective cover up end is fixed with the guide bar, the guide bar upper end extends from the upper cover upper end, be connected with the spring between upper cover lower extreme and the upper protective cover, the spring suit is on the guide bar, lower terminal surface is fixed with the cavity bed plate in the lower protective cover, cavity bed plate inside is provided with splint, the splint outer terminal surface is fixed with the pull rod, the pull rod outer end extends from cavity bed plate left end and right-hand member respectively, elastic rubber sleeve suit is on the pull rod, and is located between splint and the cavity bed plate, lower protective cover medial surface is fixed with the abatvoix, abatvoix upper portion stretches into in the upper protective cover.
Further, the guide bar up end is fixed with the baffle, the baffle is located the upper cover upside, and the baffle is convenient for carry out spacingly to the guide bar, avoids guide bar and upper cover to separate mutually, and is convenient for pull the guide bar through the baffle, realizes that last protective cover separates mutually with lower protective cover.
Further, the cross section of splint is trapezoidal, and splint inner end face processing has semi-circular recess, and the tuner down converter of being convenient for slides into between two splint, and semi-circular recess then has improved the location effect to tuner down converter, and elasticity rubber sleeve and splint then are convenient for press from both sides tightly tuner down converter.
Further, the left and right symmetry processing of terminal surface has two open slots before lower protective cover and the abatvoix, and the open slot is inside to be provided with frequency spectrum emission source and signal interference ware respectively, abatvoix top is higher than protective cover top 3cm down, has realized the purpose of hindrance and shielding.
The invention has the beneficial effects that: according to the detection equipment for the shielding box of the tuner frequency reducer, disclosed by the invention, the purpose of protection is realized by adding the side plates, the hollow cylinder, the threaded rod, the piston block, the fixed rod, the bottom plate, the cavity, the miniature sucker, the rotating plate, the rotating rod, the protective cloth and the connecting strip, and the device is convenient to stably support.
According to the invention, the guide rod, the spring, the upper protective cover, the lower protective cover, the sound absorbing plate, the hollow base plate, the clamping plate, the elastic rubber sleeve and the pull rod are added, so that the purpose of double-layer shielding is realized, the stable placement of the tuner frequency reducer is facilitated, and the sound absorbing and noise reducing effects are good.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of a detection device for a shielding box of a tuner frequency demultiplier;
FIG. 2 is a schematic front view of a support mechanism in a tuner down converter shielding case detection apparatus of the present invention;
FIG. 3 is a schematic right-side view of a support mechanism in a tuner-down converter shielding case detection apparatus of the present invention;
FIG. 4 is a schematic diagram of the structure of a connecting strip, a protective cloth and a rotating rod in the detection device of the shielding box of the tuner frequency demultiplier;
FIG. 5 is a schematic diagram of a protection mechanism in a shielding box detection device of a tuner down converter of the present invention;
FIG. 6 is a schematic diagram of the structure of a clamping plate in the detection device of the shielding box of the tuner down converter of the present invention;
in the figure: 1-frequency spectrum emission source, 2-supporting mechanism, 3-signal interference ware, 4-box, 5-upper cover, 6-protection mechanism, 61-guide bar, 62-spring, 63-upper protection cover, 64-lower protection cover, 65-acoustic panel, 66-cavity bed plate, 67-splint, 68-elastic rubber sleeve, 69-pull rod, 201-curb plate, 202-hollow section of thick bamboo, 203-threaded rod, 204-piston block, 205-dead lever, 206-bottom plate, 207-cavity, 208-miniature sucking disc, 209-rotating plate, 210-bull stick, 211-protection cloth, 212-connecting strip.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a tuner down converter shielding case check out test set, including frequency spectrum emission source 1, signal interference ware 3, box 4 and upper cover 5, frequency spectrum emission source 1 and signal interference ware 3 all inlay and fix the terminal surface before box 4, frequency spectrum emission source 1 is located signal interference ware 3 right side, box 4 upper end passes through bolt and upper cover 5 fixed connection, be provided with protection machanism 6 between box 4 and the upper cover 5, the terminal surface is fixed with supporting mechanism 2 under the box 4, supporting mechanism 2 includes curb plate 201, hollow section of thick bamboo 202, threaded rod 203, piston block 204, dead lever 205, bottom plate 206, cavity 207, miniature sucking disc 208, rotating plate 209, bull stick 210, protective clothing 211 and connecting strip 212, protection machanism 6 includes guide bar 61, spring 62, upper protective cover 63, lower protective cover 64, acoustic panel 65, hollow base plate 66, splint 67, elastic rubber sleeve 68 and pull rod 69.
In the supporting mechanism 2, the box 4 is fixed on the upper end face of the bottom plate 206, the left side and the right side of the box 4 are respectively provided with a side plate 201, the lower end of the side plate 201 is rotationally connected with the left end and the right end of the bottom plate 206 through a fixed rod 205, the front end and the rear end of the side plate 201 are rotationally connected with a rotating plate 209 through rotating shafts, a cavity 207 is processed inside the rotating plate 209, the inner end of the cavity 207 is communicated with a micro sucking disc 208 through an air pipe, the micro sucking disc 208 is inlaid and fixed on the inner end face of the rotating plate 209, the micro sucking disc 208 is adsorbed and fixed on the left end and the right end of the box 4, a hollow cylinder 202 is inlaid and fixed on the outer end face of the rotating plate 209, the left end of the hollow cylinder 202 is connected with a threaded rod 203 through threads, the inner end of the threaded rod 203 is rotationally connected with a piston block 204 through a bearing, the piston block 204 is positioned inside the hollow cylinder 202, the hollow cylinder 202 is communicated with the cavity 207, a rotating rod 210 is rotationally connected with the front part of the side plate 201, a protective cloth 211 is wound on the annular side face of the rotating rod 210, the inner end of the protective cloth 212 is connected with a connecting bar 212, and the connecting bar 212 is positioned on the inner end face of the side plate 201.
In the protection mechanism 6, a lower protection cover 64 is fixed at the inner bottom of the box body 4, an upper protection cover 63 is arranged at the upper end of the lower protection cover 64, a guide rod 61 is fixed at the upper end face of the upper protection cover 63, the upper end of the guide rod 61 extends out from the upper end of the upper cover 5, a spring 62 is connected between the lower end of the upper cover 5 and the upper protection cover 63, the spring 62 is sleeved on the guide rod 61, a hollow base plate 66 is fixed at the inner lower end face of the lower protection cover 64, a clamping plate 67 is arranged in the hollow base plate 66, a pull rod 69 is fixed at the outer end face of the clamping plate 67, the outer end of the pull rod 69 extends out from the left end and the right end of the hollow base plate 66 respectively, an elastic rubber sleeve 68 is sleeved on the pull rod 69 and is positioned between the clamping plate 67 and the hollow base plate 66, an acoustic board 65 is fixed at the inner side face of the lower protection cover 64, and the upper part of the acoustic board 65 stretches into the upper protection cover 63.
As an embodiment of the present invention: the connecting strips 212 are provided with two connecting strips 212, the two connecting strips 212 are respectively positioned at the left edge position and the right edge position of the front side of the box body 4, the inner end surfaces of the two connecting strips 212 are respectively stuck and fixed with a magic wool patch and a magic hook patch, a person holds the two connecting strips 212 and moves inwards, the two connecting strips 212 move inwards to drive the protective cloth 211 to move inwards, the protective cloth 211 covers the spectrum emission source 1 and the signal interference device 3, then the magic hook patch is connected with the magic wool patch, the two connecting strips 212 are connected with each other, and the spectrum emission source 1 and the signal interference device 3 are protected through the protective cloth 211, so that dust fall is avoided.
As an embodiment of the present invention: the micro sucking disc 208 is provided with at least two, at least two micro sucking discs 208 are evenly inlaid and fixed on the inner end face of the side plate 201, the outer end face of the threaded rod 203 is fixedly provided with a handle, a person holds the side plate 201 and rotates around the central axis of the fixing rod 205 to drive the rotating plate 209 and the micro sucking disc 208 to rotate, the micro sucking disc 208 is separated from the box body 4, then the rotating plate 209 is rotated, the rotating plate 209 is rotated to drive the micro sucking disc 208 to rotate, the micro sucking disc 208 faces outwards, after the side plate 201 rotates to a horizontal position, the side plate 201 is stopped to press the rotating plate 209 downwards, the micro sucking disc 208 is driven to move downwards and closely contact with the supporting platform, then the threaded rod 203 is rotated, the threaded rod 203 rotates and moves upwards under the action of threads, and accordingly the piston block 204 is driven to move upwards, negative pressure is generated inside the cavity 207, and then the supporting platform is adsorbed and fixed through the micro sucking disc 208, and the device is stably supported.
As an embodiment of the present invention: the guide bar 61 up end is fixed with the baffle, the baffle is located upper cover 5 upside, the baffle is convenient for carry out spacingly to guide bar 61, avoid guide bar 61 and upper cover 5 looks separation, use the personnel to hold the baffle and upwards move, thereby drive guide bar 61 and last shield cover 63 upwards move, thereby upward move and compress spring 62, and then realize going up shield cover 63 and lower shield cover 64 looks separation, be convenient for place and take out the tuner down-converter, and realize going up shield cover 63 and lower shield cover 64 in close contact under spring 62's bounce-back force effect, thereby realized the purpose of multilayer shielding.
As an embodiment of the present invention: the cross section of the clamping plate 67 is trapezoidal, a semicircular groove is formed in the inner end face of the clamping plate 67, the tuner frequency reducer can slide into the space between the two clamping plates 67, the positioning effect of the tuner frequency reducer is improved through the semicircular groove, and the elastic rubber sleeve 68 and the clamping plate 67 can clamp the tuner frequency reducer conveniently.
As an embodiment of the present invention: the left and right symmetry processing of terminal surface has two open slots before lower protective cover 64 and acoustic panel 65, and the open slot is inside to be provided with spectral emission source 1 and signal interference ware 3 respectively, and acoustic panel 65 top is higher than lower protective cover 64 top 3cm, and acoustic panel 65 is convenient for absorb the noise, has realized the purpose of hindrance and shielding.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a tuner frequency demultiplier shielding case check out test set, includes frequency spectrum emission source, signal interference ware, box and upper cover, its characterized in that: the frequency spectrum emission source and the signal interference device are embedded and fixed on the front end face of the box body, the frequency spectrum emission source is located on the right side of the signal interference device, the upper end of the box body is fixedly connected with the upper cover through bolts, a protection mechanism is arranged between the box body and the upper cover, the lower end face of the box body is fixedly provided with a supporting mechanism, the supporting mechanism comprises a side plate, a hollow cylinder, a threaded rod, a piston block, a fixing rod, a bottom plate, a cavity, a miniature sucker, a rotating plate, a rotating rod, protection cloth and a connecting strip, and the protection mechanism comprises a guide rod, a spring, an upper protection cover, a lower protection cover, a sound absorbing plate, a hollow base plate, a clamping plate, an elastic rubber sleeve and a pull rod;
in the protection mechanism, a lower protection cover is fixed at the inner bottom of the box body, an upper protection cover is arranged at the upper end of the lower protection cover, a guide rod is fixed at the upper end face of the upper protection cover, the upper end of the guide rod extends out of the upper end of the upper cover, a spring is connected between the lower end of the upper cover and the upper protection cover, the spring is sleeved on the guide rod, a hollow base plate is fixed at the inner lower end face of the lower protection cover, a clamping plate is arranged in the hollow base plate, a pull rod is fixed at the outer end face of the clamping plate, the outer end of the pull rod extends out of the left end and the right end of the hollow base plate respectively, an elastic rubber sleeve is sleeved on the pull rod and is positioned between the clamping plate and the hollow base plate, an acoustic board is fixed at the inner side face of the lower protection cover, and the upper part of the acoustic board stretches into the upper protection cover;
the cross section of splint is trapezoidal, and splint interior terminal surface processing has semi-circular recess, and the tuner down converter of being convenient for slides into between two splint, and semi-circular recess then has improved the location effect to tuner down converter, and elasticity rubber sleeve and splint are then convenient for press from both sides tightly tuner down converter.
2. The tuner down converter shielding box detection apparatus of claim 1, wherein: in the supporting mechanism, the bottom plate up end is fixed with the box, the box left and right sides all is provided with the curb plate, the curb plate lower extreme is rotated through dead lever and bottom plate left end and right-hand member and is connected, both ends all rotate through pivot and rotor plate around in the curb plate and be connected, rotor plate inside processing has the cavity, the cavity inner is linked together with miniature sucking disc through the trachea, miniature sucking disc is inlayed and is fixed at rotor plate inner face, and miniature sucking disc adsorbs and fix at box left end and right-hand member, rotor plate outer face is inlayed and is fixed with the cavity section of thick bamboo, cavity section of thick bamboo left end is connected with the threaded rod through the screw thread, the threaded rod inner is rotated with the piston piece through the bearing and is connected, the piston piece is located inside the cavity section of thick bamboo, the cavity section of thick bamboo is linked together with the cavity, the front portion internal rotation of curb plate is connected with the bull stick, bull stick annular side winding has the protective clothing, the protective clothing inner is connected with the connecting rod, the connecting rod is located the curb plate terminal surface.
3. The tuner down converter shielding box detection apparatus of claim 2, wherein: the connecting strip is equipped with two, two the connecting strip is located box front side left edge position and right edge position respectively, two the connecting strip interior terminal surface paste respectively and be fixed with the magic hook face subsides and the magic hook face subsides, the magic hook face subsides and the magic hook face subsides are convenient for connect two connecting strips each other, and then protect spectral emission source and signal interference ware through the protective clothing.
4. A tuner down converter shielding box detection apparatus as recited in claim 3, wherein: the miniature sucking disc is equipped with two at least, and two at least miniature sucking disc evenly inlays and fixes at the curb plate terminal surface in, threaded rod outer end face is fixed with the handle, rotates the rotor plate, realizes driving miniature sucking disc and rotates to adsorb fixedly to supporting platform through miniature sucking disc, realizes carrying out steady rest to this device.
5. The tuner down converter shielding box detection apparatus of claim 4, wherein: the guide rod upper end face is fixed with the baffle, the baffle is located the upper cover upside, and the baffle is convenient for carry out spacingly to the guide rod, avoids guide rod and upper cover to separate mutually, and is convenient for pull the guide rod through the baffle, realizes that last protective cover separates mutually with lower protective cover.
6. The tuner down converter shielding box detection apparatus of claim 5, wherein: the utility model discloses a sound absorbing board, including the acoustic board, lower protective cover and acoustic board front end face bilateral symmetry processing has two open slots, and the open slot is inside to be provided with frequency spectrum emission source and signal interference ware respectively, the acoustic board top is higher than protective cover top 3cm down, has realized the purpose of hindrance and shielding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910362093.5A CN109991629B (en) | 2019-04-30 | 2019-04-30 | Tuner down converter shielding case detection equipment |
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| CN201910362093.5A CN109991629B (en) | 2019-04-30 | 2019-04-30 | Tuner down converter shielding case detection equipment |
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| CN109991629A CN109991629A (en) | 2019-07-09 |
| CN109991629B true CN109991629B (en) | 2023-05-19 |
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| CN113788145B (en) * | 2021-07-30 | 2023-11-14 | 湖南大学 | Throwing type Beidou monitoring device and installation method |
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Effective date of registration: 20230424 Address after: 518000 201, building 18, No.7, Xikeng South Road, Xikeng community, Fucheng street, Longhua District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Zhongyi Technology Co.,Ltd. Address before: 528402, Xueyuan Road, 1, Shiqi District, Guangdong, Zhongshan Applicant before: University OF ELECTRONIC SCIENCE AND TECHNOLOGY OF CHINA, ZHONGSHAN INSTITUTE |
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