CN216600432U - Multimode receiver case - Google Patents

Abstract

The application discloses multimode receiver machine case relates to receiver technical field, including quick-witted case body, quick-witted case body includes upper cover plate, lower cover plate, first door plant, second door plant, first curb plate and second curb plate. The two ends of the first side plate are detachably connected with the first side edge of the first door plate and the first side edge of the second door plate respectively. The two ends of the second side plate are respectively hinged with the second side edge of the first door plate and the second side edge of the second door plate. First door plant, second door plant, first curb plate and second curb plate interconnect form the quick-witted case frame, and the connection can be dismantled at the top of quick-witted case frame to the upper cover plate, and the connection can be dismantled in the bottom of quick-witted case frame to the lower cover plate. The second side plate is provided with an interface communicated with external equipment. Adopt the utility model provides a pair of multimode receiver machine case has realized that multimode receiver can conveniently make, convenient maintenance and the convenient purpose of reliability test.

Description

Multimode receiver case

Technical Field

The application relates to the technical field of receivers, in particular to a multimode receiver case.

Background

In radio terminology, a receiver is an electronic device that receives and demodulates a radio signal from an antenna, and is mainly used for sound, image, positioning information, and the like. Radio, television, satellite television receiver, pager, GPS positioning, etc. used in people's daily life are all radio receivers.

The multimode receiver developed in China is divided into two types, one type is a GNSS-based multimode receiver, mainly realizes satellite navigation functions, and comprises two navigation functions of GPS and BDS, and the receiver is mainly applied to the field of civil goods. The other is a VOR/ILS multimode receiver which mainly realizes the land-based navigation function, and the receiver is mainly applied to military aircraft at present.

The existing multimode receiver case body adopts an integrated structure. In the manufacturing process of the multimode receiver case, a complete case needs to be processed before the next case can be processed. Furthermore, the removal of the multimode receiver chassis is relatively inconvenient for the task of maintenance and testing of the multimode receiver. The existing integrated chassis structure is not convenient enough for manufacturing, maintenance and reliability testing of the multimode receiver.

Disclosure of Invention

The embodiment of the application provides a multimode receiver case, solves the problem that the multimode receiver is inconvenient to manufacture, maintain and test reliability in the prior art, and achieves the purpose that the multimode receiver can be convenient to manufacture, maintain and test reliability.

The utility model provides a multimode receiver case, which comprises a case body, wherein the case body comprises an upper cover plate, a lower cover plate arranged opposite to the upper cover plate, a first door plate, a second door plate arranged opposite to the first door plate, a first side plate and a second side plate arranged opposite to the first side plate;

two ends of the first side plate are detachably connected with the first side edge of the first door panel and the first side edge of the second door panel respectively;

two ends of the second side plate are respectively hinged with the second side edge of the first door plate and the other side edge of the second door plate;

the first side of the first door panel is opposite to the second side of the first door panel, and the first side of the second door panel is opposite to the second side of the second door panel;

the first door plate, the second door plate, the first side plate and the second side plate are connected with each other to form a chassis frame, the upper cover plate is detachably connected to the top of the chassis frame, and the lower cover plate is detachably connected to the bottom of the chassis frame;

and the second side plate is provided with an interface communicated with external equipment.

Preferably, the inner side edge parts of the first door panel and the second door panel are both provided with a sealing groove;

and a conductive adhesive tape for shielding interference signals outside the chassis body is arranged in the sealing groove.

Preferably, the case body further comprises a fixing frame capable of fixing the multimode receiver circuit board;

a first clamping groove is formed in the inner wall of the first side plate in the vertical direction;

a second clamping groove opposite to the first clamping groove is formed in the inner wall of the second side plate;

two ends of the fixing frame are respectively clamped in the first clamping groove and the second clamping groove.

Preferably, the chassis body further comprises an interface module, a VOR/ILS/VDB receiving module, an MB receiving module and a comprehensive processing module;

the interface module is connected with the inner wall of the second side plate;

the VOR/ILS/VDB receiving module is connected with the inner wall of the second door panel;

the MB receiving module and the comprehensive processing module are both connected with the fixing frame.

Preferably, the chassis body further includes a lightning protection connector, and the lightning protection connector is disposed on the fixing frame.

Preferably, the interface module, the VOR/ILS/VDB receiving module, the MB receiving module and the comprehensive processing module are all provided with shielding shells.

Preferably, the upper cover plate is provided with a plurality of heat dissipation through holes;

a plurality of heat dissipation convex strips are arranged on the outer wall of the first door plate.

Preferably, the multimode receiver case further comprises a handle, and two ends of the handle are respectively arranged on two opposite surfaces of the case body.

Furthermore, the handle of the handle is also provided with an anti-skid bulge.

Preferably, the top layers of the upper cover plate, the lower cover plate, the first door panel, the second door panel, the first side plate and the second side plate are all provided with anti-oxidation layers.

The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:

the embodiment of the utility model provides a pair of multimode receiver machine case, wherein can dismantle between the upper cover plate of multimode receiver machine case, the lower apron that sets up relatively with the upper cover plate, first door plant, the second door plant that sets up relatively with first door plant, first curb plate and the second curb plate that sets up relatively with first curb plate and be connected, specifically, first door plant, first curb plate, second door plant and second curb plate end to end connect gradually and form the machine box frame, the upper cover plate can be dismantled and connect the top at the machine box frame, the bottom at the machine box frame can be dismantled to the lower apron. The two ends of the second side plate are respectively hinged with the first door plate and the second door plate, and an interface used for being communicated with external equipment is arranged on the second side plate. Through adopting the utility model discloses a multimode receiver machine case has effectively solved the manufacturing of multimode receiver among the prior art, has maintained and can reach the test problem that is not convenient enough, has realized that multimode receiver can conveniently make, convenient maintenance and the convenient purpose of reachability test.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an overall structural view of a multimode receiver chassis according to an embodiment of the present application;

FIG. 2 is a rear view of FIG. 1;

FIG. 3 is a right side view of FIG. 1;

fig. 4 is a main structural view of a second panel of a multimode receiver chassis according to an embodiment of the present application;

FIG. 5 is a main structural view of a fixing frame according to an embodiment of the present disclosure;

fig. 6 is an internal structural view of a multimode receiver chassis according to an embodiment of the present application;

fig. 7 is a main structural view of a handle of a multimode receiver chassis according to an embodiment of the present application.

Reference numerals: 100-an upper cover plate; 110-heat dissipating through holes; 200-a lower cover plate; 300-a first door panel; 310-a sealing groove; 320-a handle; 321-a handle; 322-non-slip protrusions; 330-a first handle mounting hole; 400-a second door panel; 410-a second handle mounting hole; 420-VOR/ILS/VDB receiving module; 500-a first side panel; 600-a second side panel; 610-an interface; 611-an interface module; 700-a fixed mount; 710-MB receiving module; 720-comprehensive processing module; 800-shielding case.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of the description of the embodiments of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1-7, an embodiment of the present invention provides a multimode receiver chassis, which includes a chassis body, and the chassis body includes an upper cover plate 100, a lower cover plate 200 disposed opposite to the upper cover plate 100, a first door panel 300, a second door panel 400 disposed opposite to the first door panel 300, a first side plate 500, and a second side plate 600 disposed opposite to the first side plate 500. Two ends or two parallel sides of the first side plate 500 are detachably connected to the first side of the first door panel 300 and the first side of the second door panel 400, respectively. Both ends or both parallel side edges of the second side panel 600 are hinged to the second side of the first door panel 300 and the second side of the second door panel 400, respectively. The first side of the first door panel 300 is opposite to the second side of the first door panel 300, and the first side of the second door panel 400 is opposite to the second side of the second door panel 400. The first door panel 300, the second door panel 400, the first side panel 500 and the second side panel 600 are connected to each other to form a chassis frame, the upper cover panel 100 is detachably connected to the top of the chassis frame, and the lower cover panel 200 is detachably connected to the bottom of the chassis frame. The second side plate 600 is provided with an interface 610 for communicating with an external device.

Specifically, two vertical sides of the first side plate 500 are respectively connected to one side of the first door panel 300 and one side of the second door panel 400 by screws. One side edge of the second side plate 600 in the vertical direction is connected to the other side edge of the first door panel 300 opposite to the one side edge by a hinge; the other side edge of the second side panel 600 in the vertical direction is connected to the other side edge of the second door panel 400 opposite to the one side edge by a hinge. The upper cover plate 100 is connected to the top of the chassis frame by screws, and the lower cover plate 200 is connected to the bottom of the chassis frame by screws.

The embodiment of the utility model provides a pair of multimode receiver machine case, wherein the upper cover plate 100 of multimode receiver machine case, the lower cover plate 200 of setting relatively with upper cover plate 100, first door plant 300, the second door plant 400 of setting relatively with first door plant 300, can dismantle between first curb plate 500 and the second curb plate 600 of setting relatively with first curb plate 500 and be connected, specifically, first door plant 300, first curb plate 500, second door plant 400 and second curb plate 600 connect gradually end to end and form the frame, the top at the frame is connected to upper cover plate 100 can be dismantled, the bottom at the frame can be dismantled to lower cover plate 200. Both sides of the second side panel 600 are hinged to the first door panel 300 and the second door panel 400, respectively. The second side plate 600 is provided with an interface 610 for communicating with an external device. Through adopting the utility model discloses a multimode receiver machine case has effectively solved the manufacturing of multimode receiver among the prior art, has maintained and can reach the test problem that is not convenient enough, has realized that multimode receiver can conveniently make, convenient maintenance and the convenient purpose of reachability test.

As shown in fig. 1 to 4, in a preferred embodiment, the inner side edges of the first door panel 300 and the second door panel 400 are both provided with a sealing groove 310. The inside edge portions of the first door panel 300 and the second door panel 400 refer to edges where the inner walls of the first door panel 300 and the second door panel 400 contact other receiver chassis housing components. The receiver chassis housing includes an upper cover plate 100, a lower cover plate 200, a first door panel 300, a second door panel 400, a first side panel 500, and a second side panel 600. A conductive adhesive tape for shielding an interference signal outside the chassis body is disposed in the sealing groove 310. The conductive adhesive tape arranged in the sealing groove 310 has good isolation and shielding effects, and the capability of resisting severe environment of the multimode receiver equipment can be effectively improved.

As shown in fig. 1, 5 and 6, in a preferred embodiment, a first slot is formed on an inner wall of the first side plate 500 along a vertical direction. The inner wall of the second side plate 600 is provided with a second slot opposite to the first slot. The case body further comprises a fixing frame 700 capable of fixing the multimode receiver circuit board, and two opposite ends of the fixing frame 700 are respectively clamped in the first clamping groove and the second clamping groove. When the circuit boards of the modules are installed, the fixing frame 700 only needs to be detached from the first clamping groove and the second clamping groove in a sliding mode, and after the fixing frame 700 with the circuits of the modules is assembled outside the receiver box body, the fixing frame 700 is installed inside the receiver box body through the first clamping groove and the second clamping groove. This facilitates the removal and installation of the multimode receiver.

In another embodiment, the fixing bracket 700 is coupled to the inner wall of the second door 400 by screws, which facilitates the removal and installation of the multimode receiver.

As shown in fig. 5 and 6, in the preferred embodiment, the chassis body further includes an interface module 611, a VOR/ILS/VDB receiving module 420, an MB receiving module 710, and an integrated processing module 720. The connector-mounted interface module 611 is connected with the inner wall of the second side plate 600. The VOR/ILS/VDB receiver module 420 is coupled to an inner wall of the second door 400. The MB receiving module 710 and the integrated processing module 720 are connected to the fixing frame 700. The interface module 611 connects the module circuit inside the case body with the circuit outside the case body; the VOR/ILS/VDB receiving module 420 can complete frequency tuning according to an input tuning instruction, and implement VOR signal demodulation, ILS signal demodulation and VDB signal demodulation, output a corresponding VOR angle and analog audio signal, output heading glide deviation information of LOC and GS, and output GBAS text information received by the VDB, and additionally, the module also implements self-checking of each hardware channel of VOR/ILS/VDB, and reports the self-checking result to the comprehensive processing module 720; the MB receiving module 710 adjusts the audio signals sent by the beacon, outputs corresponding far, middle and near distance indication signals and corresponding analog audio signals, sets instructions according to the sensitivity, adjusts the high and low receiving sensitivity, and can perform self-checking and reporting on the MB hardware access state; the comprehensive processing module 720 realizes bus processing and GLS landing functions, the bus processing function realizes data summarization, distribution, processing and verification, and can also output, store and convert the overall external interface protocol, and simultaneously control and detect the self-checking information of each module in the receiver case and carry out periodic reporting; the case body further comprises a GNSS receiving module, the GNSS receiving module is connected with the fixed phase, the GNSS receiving module is used for capturing and tracking satellite signals, extracting measured data, processing navigation messages, resolving GNSS positioning result, resolving SBAS positioning result, resolving protection level and the like, periodically outputting data such as positioning information, constellation information, observation information, basic navigation messages and SBAS enhancement messages and the like, meanwhile, realizing self-checking of a radio frequency receiving channel and an antenna, and reporting the self-checking result to the comprehensive processing module 720.

In addition, the interface module 611, the VOR/ILS/VDB reception module 420, the MB reception module 710, and the integrated processing module 720 are each provided with a shield case 800. Specifically, the shielding case 800 is provided at a circumferential side thereof with a plurality of protruding pins, and the corresponding circuit board is provided at a circumferential side thereof with a plurality of pads, to which the plurality of protruding pins are soldered. The shielding case 800 establishes an independent separate cavity for each module, thereby reducing interference between modules in a limited space to increase the capability of the whole machine against electromagnetic interference and improve the index of the performance of a receiving channel.

As shown in fig. 1, 5 and 6, in a preferred embodiment, the chassis body further includes a lightning protection connector, and the lightning protection connector is disposed on the fixing frame 700. When the multimode receiver works, the lightning protection connector can eliminate the influence of lightning on the working of the receiver.

As shown in fig. 1, in the preferred embodiment, a plurality of heat dissipating through holes 110 are formed in the upper cover plate 100. In another embodiment, the lower cover plate 200 is provided with a plurality of heat dissipating through holes 110. In another embodiment, a plurality of heat dissipating through holes 110 are formed on both the upper cover plate 100 and the lower cover plate 200. During the operation of the multimode receiver, the plurality of heat dissipation through holes 110 are used for dissipating heat of the operating environment inside the case of the multimode receiver, so as to ensure that the multimode receiver can operate in a relatively stable environment.

As shown in fig. 1-2, in a preferred embodiment, the outer wall of the first door panel 300 is uniformly provided with a plurality of heat dissipation ribs parallel to each other. In another embodiment, the outer wall of the second door panel 400 is uniformly provided with a plurality of heat dissipation ribs parallel to each other. In still another embodiment, the outer walls of the first door panel 300 and the second door panel 400 are each provided with a plurality of heat dissipation ribs. The heat dissipation area of the door plate is increased by the plurality of heat dissipation convex strips, and the heat dissipation area is used for dissipating heat of the working environment inside the receiver case so as to guarantee the stable working environment inside the receiver case.

The inner walls of the first door panel 300 and the second door panel 400 are further provided with mounting holes or mounting frames for mounting the module circuits, wherein the module circuits mounted on the inner walls of the first door panel 300 and the second door panel 400 can dissipate heat through the heat dissipation protruding strips of the outer walls of the first door panel 300 and the second door panel 400 in the working process.

As shown in fig. 1-3, in a preferred embodiment, the multimode receiver chassis includes a handle 320, and two ends of the handle 320 are respectively disposed on two opposite surfaces of the chassis body. A first handle mounting hole 330 is formed on a side edge of the first door panel 300 close to the first side plate 500 along the vertical direction, and a second handle mounting hole 410 opposite to the first handle mounting hole 330 is formed on the second door panel 400. One end of the handle 320 is connected to the first door panel 300 through the first handle mounting hole 330, and the other end of the handle 320 is connected to the second door panel 400 through the second handle mounting hole 410. Handle 320 facilitates the extraction of the multi-touch receiver.

As shown in fig. 5, in the preferred embodiment, the multimode receiver case further comprises a handle 320, and a handle 321 of the handle 320 is further provided with an anti-slip protrusion 322. The anti-slip protrusions 322 are disposed along the length direction of the handle 321, and the anti-slip protrusions 322 are disposed in parallel along the width direction of the handle 321. The provision of the anti-slip projection 322 increases the friction of the handle 321 when the multimode receiver is extracted, so that the multimode receiver is more stable during the extraction process.

As shown in fig. 1 to 4, in a preferred embodiment, the surface layers of the upper cover plate 100, the lower cover plate 200, the first door panel 300, the second door panel 400, the first side plate 500 and the second side plate 600 are provided with an oxidation preventing layer. The surface layers of the upper cover 100, the lower cover 200, the first door 300, the second door 400, the first side panel 500, and the second side panel 600 refer to surfaces thereof contacting air. The surfaces of the upper cover plate 100, the lower cover plate 200, the first door panel 300, the second door panel 400, the first side plate 500 and the second side plate 600 are painted or provided with anti-oxidation layers for isolating air from the plates, so that the receiver chassis body is prevented from being oxidized due to long-time contact with the air.

As shown in fig. 1, in the preferred embodiment, an rfid passive chip is embedded on the chassis body. In the process of disassembling and overhauling the multimode receiver, in order to prevent the models of a plurality of multimode receivers from being mixed together, an rfid passive chip is embedded on the case body. In the process of disassembly, maintenance and assembly, the model of the receiver can be known only by scanning the receiver case by a corresponding instrument. The model number of the receiver stored in the rfid passive chip is easier to store and search than the nameplate of the traditional multimode receiver.

The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure.

Claims (10)

1. The multimode receiver case is characterized by comprising a case body, wherein the case body comprises an upper cover plate (100), a lower cover plate (200) arranged opposite to the upper cover plate (100), a first door plate (300), a second door plate (400) arranged opposite to the first door plate (300), a first side plate (500) and a second side plate (600) arranged opposite to the first side plate (500);

two ends of the first side plate (500) are detachably connected with a first side edge of the first door panel (300) and a first side edge of the second door panel (400) respectively;

two ends of the second side plate (600) are respectively hinged with the second side edge of the first door panel (300) and the second side edge of the second door panel (400);

a first side of the first door panel (300) is opposite to a second side of the first door panel (300), and a first side of the second door panel (400) is opposite to a second side of the second door panel (400);

the first door panel (300), the second door panel (400), the first side panel (500) and the second side panel (600) are connected with each other to form a chassis frame, the upper cover plate (100) is detachably connected to the top of the chassis frame, and the lower cover plate (200) is detachably connected to the bottom of the chassis frame;

the second side plate (600) is provided with an interface (610) communicated with external equipment.

2. The multimode receiver chassis according to claim 1, wherein the inside edges of the first door panel (300) and the second door panel (400) are both provided with a sealing groove (310);

and a conductive adhesive tape for shielding interference signals outside the chassis body is arranged in the sealing groove (310).

3. The multimode receiver chassis of claim 1, wherein the chassis body further comprises a mount (700) capable of securing a multimode receiver circuit board;

a first clamping groove is formed in the inner wall of the first side plate (500) along the vertical direction;

a second clamping groove opposite to the first clamping groove is formed in the inner wall of the second side plate (600);

two ends of the fixing frame (700) are respectively clamped in the first clamping groove and the second clamping groove.

4. Multimode receiver chassis according to claim 3, characterized in that said chassis body further comprises an interface module (611), a VOR/ILS/VDB reception module (420), an MB reception module (710) and an integrated processing module (720);

the interface module (611) is connected with the inner wall of the second side plate (600);

the VOR/ILS/VDB receiving module (420) is connected with the inner wall of the second door panel (400);

the MB receiving module (710) and the comprehensive processing module (720) are both connected with the fixed frame (700).

5. The multimode receiver chassis of claim 3, wherein the chassis body further comprises a lightning protection connector disposed on the mount (700).

6. Multimode receiver chassis according to claim 4, characterized in that a shielding shell (800) is provided on said interface module (611), said VOR/ILS/VDB reception module (420), said MB reception module (710) and said comprehensive processing module (720).

7. The multimode receiver chassis according to claim 1, wherein the upper cover plate (100) has a plurality of heat dissipating through holes (110) formed therein;

a plurality of heat dissipation convex strips are arranged on the outer wall of the first door panel (300).

8. The multimode receiver chassis of claim 1, comprising a handle (320), wherein two ends of the handle (320) are respectively disposed on two opposite surfaces of the chassis body.

9. Multimode receiver chassis according to claim 8, characterized in that the grip (321) of the handle (320) is also provided with an anti-slip projection (322).

10. The multimode receiver case according to claim 1, wherein the top cover (100), the bottom cover (200), the first door panel (300), the second door panel (400), the first side panel (500) and the second side panel (600) are provided with an oxidation resistant layer on their surface.

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