CN214046538U

CN214046538U - Anti-interference device for satellite radio frequency navigation

Info

Publication number: CN214046538U
Application number: CN202120255618.8U
Authority: CN
Inventors: 李化龙
Original assignee: Xi'an Langyuan Hongsheng Electronic Technology Co ltd
Current assignee: Xi'an Langyuan Hongsheng Electronic Technology Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-08-24
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses an anti-jamming device for satellite radio frequency navigation, in particular to the field of anti-jamming technical equipment, which comprises a supporting frame, wherein a chute is arranged in the middle of one side of the supporting frame, a fixed plate is sleeved in the chute in a sliding way, two groups of reset springs which are symmetrically distributed are welded at the bottom of the fixed plate, the bottoms of the two groups of reset springs are both welded on the outer wall of the supporting frame, and a slot is arranged on one side of the top of the fixed plate; the utility model discloses a reset spring can carry out the shock attenuation to the device, the spout both can support the part on the bottom plate, still can provide shock attenuation space for the bottom plate when the vibration, prevent to make the bottom plate junction break off because fixed work, the fin can go up the satellite navigation equipment body heat transmission play, the wind-force of cooperation fan this moment, the radiating area of wind-force has been increased, the event has improved the radiating effect to the satellite navigation equipment body, anti-interference filter can be to the equipment in the device anti-interference, whole convenient and practical, suitable bulk production.

Description

Anti-interference device for satellite radio frequency navigation

Technical Field

The utility model relates to an anti jamming unit technical field, more specifically say, the utility model relates to a satellite is anti jamming unit for radio frequency navigation.

Background

The satellite radio frequency navigation can utilize a satellite navigation radio frequency chip to send out radio frequency signals to position and navigate users. Satellite radio frequency navigation equipment can often install at domestic airport, railway station, library, government office building and large-scale shopping mall, can act as the effect of "little radar", and traditional this type of device often can influence the use because of receiving the interference often using, and this type of anti jamming unit in the market is various today, can satisfy people's user demand basically, but still has certain problem.

However, the existing anti-interference device may be installed on a desktop or a wall surface, once equipment in the anti-interference device on the wall surface is damaged, the equipment in the anti-interference device needs to be taken down from the wall body for maintenance, and the equipment is taken down from the wall body, which is time-consuming and labor-consuming, and the anti-vibration and heat dissipation effects of the existing anti-interference device are general, so that the requirements of the prior art cannot be met.

The above information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and therefore it may contain information that does not constitute prior art that is already known to a person of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides an anti jamming unit for satellite radio frequency navigation, the utility model aims to solve the technical problem that: through the setting of reset spring, fin, fan, locating lever, locating piece, slot and pin, solved the unable time-saving laborsaving equipment that will need the maintenance pull down from the wall body and can't improve the problem of anti-jamming unit antidetonation and radiating effect.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-interference device for satellite radio frequency navigation comprises a support frame, wherein a sliding groove is formed in the middle of one side of the support frame, a fixing plate is sleeved in the sliding groove in a sliding manner, two groups of reset springs which are symmetrically distributed are welded at the bottom of the fixing plate, the bottom ends of the two groups of reset springs are welded on the outer wall of the support frame, an inserting groove is formed in one side of the top of the fixing plate, a bottom plate is movably inserted in the inserting groove, two positioning rods which are symmetrically distributed are welded on the outer wall of the bottom plate in a plastic welding manner, a positioning block is welded on one side of each positioning rod in a plastic welding manner, the positioning rods and the positioning blocks are movably clamped in the inserting groove, a shell is sleeved on the top of the bottom plate in a threaded manner, a blocking rod is rotatably connected to the top of the fixing plate, which is far away from the sliding groove, one side of the blocking rod is contacted with the outer wall of the shell, a radiating fin is adhered to the center of the top of the bottom plate through heat-conducting glue, a satellite navigation equipment body is adhered to the top of the radiating fin through the heat-conducting glue, the satellite navigation device comprises a satellite navigation device body, and is characterized in that a satellite navigation radio frequency chip is fixedly mounted in the satellite navigation device body, an anti-interference filter is fixedly mounted at the center of the top of the inner wall of the shell through a bolt, a fan is embedded in the inner wall of the shell, and the output end of the fan is opposite to a radiating fin and the satellite navigation device body.

In a preferred embodiment, an antenna is fixedly mounted on the top of the housing.

In a preferred embodiment, the satellite navigation radio frequency chip and the antenna are both electrically connected with the satellite navigation device body.

In a preferred embodiment, the satellite navigation device body, the anti-interference filter and the fan are all electrically connected with an external power supply.

In a preferred embodiment, the top of the supporting frame is provided with two fixing round holes which are symmetrically distributed.

In a preferred embodiment, the housing is removably received within the slot.

In a preferred embodiment, the floor is located between the bar and the chute.

In a preferred embodiment, both the positioning rod and the positioning block are located between the sliding groove and the return spring.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a slot cooperation pin can carry out preliminary fixed to bottom plate and casing, and locating lever cooperation locating piece can be fixed once more to bottom plate and casing, improves the steadiness between each part of device, when needs maintain bottom plate and casing internal equipment, only need put aside the pin and outwards drag out bottom plate and casing, alright pull down the equipment that needs the maintenance from the wall body for the dismouting process is labour saving and time saving, can reach quick maintenance effect, does benefit to the maintenance to equipment.

2. The utility model discloses a reset spring can carry out the shock attenuation to the device, the spout both can support the part on the bottom plate, still can provide shock attenuation space for the bottom plate when the vibration, prevent to make the bottom plate junction break off because fixed work, the fin can go up the satellite navigation equipment body heat transmission play, the wind-force of cooperation fan this moment, the radiating area of wind-force has been increased, the event has improved the radiating effect to the satellite navigation equipment body, anti-interference filter can be to the equipment in the device anti-interference, whole convenient and practical, suitable bulk production.

Drawings

Fig. 1 is a side view of the overall structure of the present invention.

Fig. 2 is a side sectional view of the overall structure of the present invention.

Fig. 3 is an enlarged view of the structure a in fig. 2 according to the present invention.

Fig. 4 is an enlarged view of the structure B in fig. 2 according to the present invention.

Fig. 5 is a front view of the overall structure of the present invention.

The reference signs are: 1. a support frame; 11. a chute; 12. a return spring; 13. fixing the round hole; 2. a fixing plate; 21. a slot; 22. a stop lever; 3. a base plate; 31. a heat sink; 32. a satellite navigation device body; 33. a satellite navigation radio frequency chip; 34. positioning a rod; 35. positioning blocks; 4. a housing; 41. an antenna; 42. an anti-interference filter; 43. a fan.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

Referring to fig. 1-5, the utility model provides an anti-interference device for satellite radio frequency navigation, which comprises a support frame 1, the support frame 1 can be fixed on the wall or placed on the table due to its shape, a chute 11 is arranged at the middle part of one side of the support frame 1, a fixing plate 2 is slidably sleeved in the chute 11, the chute 11 can support and limit the fixing plate 2, the fixing plate 2 can move up and down on the chute 1 without breaking away, two sets of symmetrically distributed reset springs 12 are welded at the bottom of the fixing plate 2, the bottoms of the two sets of reset springs 12 are both welded on the outer wall of the support frame 1, the reset springs 12 can support and absorb shock for the fixing plate 2, a slot 21 is arranged at one side of the top of the fixing plate 2, a bottom plate 3 is movably inserted in the slot 21, the slot 21 can limit the bottom plate 3, two symmetrically distributed positioning rods 34 are welded on the outer wall of the bottom plate 3, a positioning block 35 is welded on one side of the positioning rod 34, the positioning rod 34 and the positioning block 35 are movably clamped in the slot 21, the positioning rod 34 and the positioning block 35 can limit the position of the bottom plate 3 again, and the positioning block 35 is hemispherical, so that after the bottom plate 3 is pulled vigorously, the positioning rod 34 can deform to enable the positioning block 35 to be separated from the slot 21, the shell 4 is sleeved on the top of the bottom plate 3 in a threaded manner, the bottom plate 3 and the shell 4 can be disassembled and assembled quickly, the top of one side, away from the chute 11, of the fixing plate 2 is rotatably connected with the stop rod 22 through a hinge, one side of the stop rod 22 is in contact with the outer wall of the shell 4, the shell 4 and the bottom plate 3 can be limited in the slot 21 by the stop rod 22, the shell 4 and the bottom plate 3 can be fixed conveniently, the radiating fin 31 is bonded at the center of the top of the bottom plate 3 through heat conducting glue, heat can be conveniently transferred, the satellite navigation equipment body 32 is bonded with the top of the radiating fin 31 through the heat conducting glue, the satellite navigation equipment body 32 can conveniently transfer heat to the radiating fin 31, satellite navigation equipment body 32 is current for satellite navigation equipment, the variety is more, for prior art, give unnecessary details here, fixed mounting has satellite navigation radio frequency chip 33 in the navigation equipment body 32, radio frequency signal can be sent to satellite navigation radio frequency chip 33, also be prior art, there is interference rejection filter 42 at 4 inner wall tops of casing center department through bolt fixed mounting, interference rejection filter 42 can be anti-interference, 4 inner walls of casing are inlayed and are had fan 43, the fan 43 output is just to fin 31 and satellite navigation equipment body 32, be convenient for carry out wind-force heat dissipation to fin 31 and satellite navigation equipment body 32, the louvre has been seted up on casing 4, be convenient for ventilate and dispel the heat.

4 top fixed mounting of casing has antenna 41, antenna 41 is convenient for receive or send signal, satellite navigation radio frequency chip 33 and antenna 41 all with satellite navigation equipment body 32 electric connection, satellite navigation radio frequency chip 33 and antenna 41 are controlled by satellite navigation equipment body 32, anti-interference filter 42 and fan 43 all with external power source electric connection, external power source supplies power, two fixed round hole 13 of symmetric distribution are seted up at support frame 1 top, it can fix support frame 1 on the wall to pass fixed round hole 13 with the bolt, casing 4 movable sleeve is in slot 21, be convenient for carry on spacingly to casing 4, bottom plate 3 is located between pin 22 and spout 11, locating lever 34 and locating piece 35 both all are located between spout 11 and reset spring 12.

The utility model discloses the theory of operation: when the device is used, the support frame 1 is fixed on the wall surface by bolts penetrating through the fixing round holes 13, the satellite navigation device body 32 can transmit radio frequency signals to be positioned by matching with the satellite navigation radio frequency chip 33, the anti-interference filter 42 can resist interference on the devices in the device, meanwhile, the bottom plate 3 and the shell 4 can be blocked in the slot 21 by the stop lever 22, so that the slot 21 can preliminarily fix the bottom plate 3 and the shell 4 by matching with the stop lever 22, the positioning rod 34 and the positioning block 35 can fix the bottom plate 3 and the shell 4 again by inserting into the slot 21, the stability among all parts of the device is improved, when the devices in the bottom plate 3 and the shell 3 need to be maintained, only the stop lever 22 needs to be removed, the bottom plate 3 and the shell 4 are pulled out of the slot 21, the positioning rod 34 can be deformed to enable the positioning block 35 to be separated from the slot 21, the bottom plate 3 and the shell 4 can be detached from the wall body, and the devices in the bottom plate 3 and the shell 4 can be maintained, make the dismouting process labour saving and time saving more, reset spring 12 can carry out the shock attenuation to the device, and spout 11 both can support the part on the bottom plate 3, still can provide the shock attenuation space for bottom plate 3 when the vibration, and heat transmission play on satellite navigation equipment body 32 can be gone up to fin 31, and the wind-force of cooperation fan 43 has this moment increased the radiating area of wind-force, improves the radiating effect to satellite navigation equipment body 32 and equipment in the device.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a satellite is anti jamming unit for radio frequency navigation, includes support frame (1), its characterized in that: the middle part of one side of the support frame (1) is provided with a sliding groove (11), the sliding sleeve in the sliding groove (11) is provided with a fixed plate (2), the bottom of the fixed plate (2) is welded with two groups of reset springs (12) which are symmetrically distributed, the bottoms of the two groups of reset springs (12) are both welded on the outer wall of the support frame (1), one side of the top of the fixed plate (2) is provided with a slot (21), the slot (21) is internally movably inserted with a bottom plate (3), the outer wall of the bottom plate (3) is welded with two positioning rods (34) which are symmetrically distributed, one side of each positioning rod (34) is welded with a positioning block (35), the positioning rods (34) and the positioning blocks (35) are both movably clamped in the slot (21), the top of the bottom plate (3) is sleeved with a shell (4) in a threaded manner, and the top of one side of the fixed plate (2) far away from the sliding groove (11) is rotatably connected with a stop lever (22) through a hinge, stop lever (22) one side contacts with casing (4) outer wall, bottom plate (3) top center department bonds through heat-conducting glue has fin (31), fin (31) top bonds through heat-conducting glue has satellite navigation equipment body (32), satellite navigation equipment body (32) internal fixation installs satellite navigation radio frequency chip (33), there are interference rejection filter (42) at casing (4) inner wall top center department through bolt fixed mounting, casing (4) inner wall is inlayed and is had fan (43), fan (43) output is just to fin (31) and satellite navigation equipment body (32).

2. The anti-jamming device for satellite radio frequency navigation according to claim 1, characterized in that: and an antenna (41) is fixedly arranged at the top of the shell (4).

3. The anti-jamming device for satellite radio frequency navigation according to claim 2, characterized in that: the satellite navigation radio frequency chip (33) and the antenna (41) are electrically connected with the satellite navigation equipment body (32).

4. The anti-jamming device for satellite radio frequency navigation according to claim 1, characterized in that: the satellite navigation equipment body (32), the anti-interference filter (42) and the fan (43) are electrically connected with an external power supply.

5. The anti-jamming device for satellite radio frequency navigation according to claim 1, characterized in that: two fixing round holes (13) which are symmetrically distributed are formed in the top of the support frame (1).

6. The anti-jamming device for satellite radio frequency navigation according to claim 1, characterized in that: the shell (4) is movably sleeved in the slot (21).

7. The anti-jamming device for satellite radio frequency navigation according to claim 1, characterized in that: the bottom plate (3) is positioned between the stop lever (22) and the sliding chute (11).

8. The anti-jamming device for satellite radio frequency navigation according to claim 1, characterized in that: the positioning rod (34) and the positioning block (35) are both positioned between the sliding groove (11) and the return spring (12).