CN219046582U - Case of satellite synchronous clock device - Google Patents

Abstract

The utility model relates to a satellite synchronous clock device machine case relates to the technical field of satellite synchronous clock, the box thereof, the box is equipped with the bottom plate, the bottom plate is connected with a plurality of modules, the module includes front bezel and circuit board, front bezel and circuit board fixed connection, be equipped with the baffle between two adjacent modules, the baffle is fixed with the bottom plate, the standing groove has been seted up to the baffle, be equipped with first spring and connecting block in the standing groove, first spring and connecting block fixed connection, the module set firmly with baffle matched with right-angle plate, right-angle plate and front bezel are fixed perpendicularly, right-angle plate and baffle sliding connection, right-angle plate deviates from circuit board one side and sets up flutedly, the recess cooperatees with the connecting block, the bar groove that is linked together with the standing groove is seted up to the baffle, bar groove sets up along baffle thickness direction, be equipped with the driving lever in the bar groove, driving lever and bar groove sliding connection. The application has the effect of being convenient for install and detach single module, convenient maintenance.

Description

Case of satellite synchronous clock device

Technical Field

The application relates to the technical field of satellite synchronous clocks, in particular to a satellite synchronous clock device case.

Background

The satellite synchronous clock is obtained by a GPS system, is output through a common interface after being processed, is commonly called a satellite synchronous clock, is commonly called a time server, an NTP network time server, a GPS synchronous clock and a satellite synchronous clock in domestic markets, and is safe and reliable, and time service precision can reach microsecond.

The related art can refer to chinese patent publication No. CN201766413U for a modularized satellite synchronizing clock device, which comprises a housing, wherein the top and the bottom in the housing are respectively provided with a guide slot for inserting a functional module card, the front end of the guide slot is provided with a bottom plate, the bottom plate is provided with a first connector, the front end of the functional module card is provided with a second connector matched with the first connector, and the front end of the housing is provided with a detachable front panel. The functional module card and the front panel are respectively fastened by fasteners. The utility model adopts the module design, and the module has the advantages of system configuration, flexible interface mode, convenient maintenance and the like compared with the traditional single receiving clock system.

Aiming at the related technology, when a worker installs or maintains the satellite synchronous clock device, the steps are complicated, the fasteners are more, more time is required for assembly or disassembly, and the whole disassembly is required for partial part damage.

Disclosure of Invention

In order to facilitate assembly and maintenance of the satellite synchronous clock device, the application provides a satellite synchronous clock device case.

The case of the satellite synchronous clock device adopts the following technical scheme:

the utility model provides a satellite synchronous clock device machine case, includes the box, the box is equipped with the bottom plate, be equipped with a plurality of modules on the bottom plate, every the module includes front bezel and circuit board, front bezel and circuit board fixed connection are equipped with the baffle between two adjacent modules, baffle and bottom plate fixed connection, the standing groove has been seted up to the baffle, is equipped with first spring and connecting block in the standing groove, first spring and connecting block fixed connection, the module set firmly with baffle matched with right-angle plate, right-angle plate and front bezel vertical fixation, right-angle plate and baffle sliding connection, right-angle plate deviate from circuit board one side and set up flutedly, and the recess cooperatees with the connecting block, and the baffle is seted up the bar groove that is linked together with the standing groove, and bar groove thickness direction along the baffle sets up, is equipped with the driving lever in the bar groove, driving lever and bar groove sliding connection.

By adopting the technical scheme, the module is inserted into the bottom plate, the rectangular plate is in sliding connection with the baffle, the connecting block is clamped at the groove, and the module is connected with the bottom plate for positioning; when the module is to be taken out, the driving lever is shifted, the first spring and the connecting block return to the placing groove, and the module can be taken out; when single group module trouble needs maintenance, can dismantle the damage module alone, the dismantlement process is comparatively convenient, and it is also comparatively convenient to install after the maintenance, reaches the purpose that conveniently assembles and maintain the synchronous clock device of satellite.

Optionally, the circuit board height is less than the front bezel height, the front bezel is close to circuit board one side and has set firmly the lug, and the lug deviates from the one end of front bezel for the toper, and box sliding connection has the connecting strip, opens on the connecting strip to have a plurality of and lug matched with slot, and cylindricality hole has been seted up to a plurality of baffles, and cylindricality hole is equipped with the cylinder fender body rather than looks adaptation.

Through adopting above-mentioned technical scheme, insert the slot with the lug, the slot cooperatees with the lug, and the connecting strip is placed in being close to the front bezel position, inserts the cylindricality hole with the cylinder fender body in, blocks the connecting strip, makes the connecting strip be difficult for rocking, and the toper structure is convenient for the lug insert in the slot, and the connecting strip is connected a plurality of modules, has strengthened the fixed between the module, has strengthened the stability between the module.

Optionally, be equipped with elastic rubber circle and a plurality of second spring along circumference in the slot, the one end fixed connection of second spring is in the slot inner wall, and the other end of second spring is all fixed with elastic rubber circle.

By adopting the technical scheme, the lug is inserted into the elastic rubber ring of the slot, so that the lug is not easy to slide, and the stability between modules is further enhanced.

Optionally, the bottom plate is equipped with a plurality of slide rails that are parallel to each other, has seted up the spout on the slide rail, and circuit board bottom fixedly connected with locating plate, the locating plate be equipped with spout looks adaptation's locating strip.

Through adopting above-mentioned technical scheme, can conveniently fix a position the installation with the module for difficult emergence skew when the module inserts the bottom plate.

Optionally, the box is equipped with roof, first curb plate, the second curb plate, first curb plate and second curb plate set up along the box width side, the roof is equipped with third curb plate, the fourth curb plate, third curb plate and fourth curb plate set up along roof width side, first curb plate and second curb plate inboard have set firmly the slide, third curb plate and fourth curb plate are equipped with soon the piece, it is connected with the slide bar all to rotate soon the piece, one of them slide bar deviates from the one end and the first curb plate hinge of front bezel, another slide bar deviates from the one end and the second curb plate hinge of front bezel, the one end that third curb plate and fourth curb plate are close to the front bezel is all rotated and is connected with the slider, the slider is located the spout and with spout sliding connection, the grabbing hole has been seted up to the roof upper end.

Through adopting above-mentioned technical scheme, pull the hole of grabbing on the roof and upwards mention, the slide bar upwards rotates along with the roof, and the slider removes to articulated department gradually, until the roof is perpendicular with first curb plate, second curb plate, clearly exposes the structure in the box, conveniently carries out work such as maintenance, overhaul.

Optionally, the front plate back is equipped with the socket from the terminal surface of circuit board, and front plate fixedly connected with and socket matched with rubber layer.

Through adopting above-mentioned technical scheme, when the adapter plug inserts the slot, the rubber layer makes the plug be difficult for not hard up landing, is favorable to the connection stability between plug and the slot.

Optionally, set firmly miniature fan between two adjacent circuit boards, miniature fan is located the one end that deviates from the front bezel, miniature fan and bottom plate fixed connection, open on the front bezel have a plurality of first louvres with miniature fan looks adaptation.

Through adopting above-mentioned technical scheme, a plurality of micro fans and first louvre cooperation carry out the subregion heat dissipation to a plurality of modules, and every module of being convenient for dispels the heat alone, is favorable to reinforcing anti-interference satellite synchronous clock's whole heat dissipation ability.

Optionally, a plurality of second louvres have been seted up to the roof, the terminal surface joint has the dust guard under the roof, and the dust guard is equipped with the dust screen corresponding with the second louvre.

By adopting the technical scheme, the heat dissipation performance of the whole body is further enhanced by the heat dissipation holes of the top plate, dust can be filtered by the dust screen, and the dust is prevented from falling into the chassis; the dustproof network card is connected to the top plate, can be easily disassembled, and is convenient to clean the dustproof network.

In summary, the present application includes at least one of the following beneficial technical effects:

1. inserting the module into the bottom plate, sliding the right angle plate with the baffle, clamping the connecting block at the groove, and connecting and positioning the module and the bottom plate; when the module is to be taken out, the driving lever is shifted, the first spring and the connecting block return to the placing groove, and the module can be taken out; when a single group of modules are in fault and need to be maintained, the damaged modules can be detached independently, the detachment process is convenient, and the installation is convenient after the maintenance;

2. the grabbing holes on the top plate are pulled to be lifted upwards, the sliding rod rotates upwards along with the top plate, and the sliding block gradually moves to the hinged position until the top plate is perpendicular to the first side plate and the second side plate, so that the structure in the box body is clearly exposed, and the box body is convenient to maintain, overhaul and the like;

3. the micro fans are matched with the first radiating holes to conduct partition radiating on the modules, each module is convenient to radiate independently, and the integral radiating capacity of the anti-interference satellite synchronous clock is improved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of an anti-interference satellite synchronous clock which is convenient to disassemble and assemble.

Fig. 2 is intended to highlight the connection of the connection block to the first spring.

Fig. 3 is a schematic view of the internal structure of the case.

FIG. 4 is a schematic view showing the connection of the connection bar and the bump.

Fig. 5 is an enlarged schematic view of a portion a in fig. 1.

Fig. 6 is a schematic view of the state where the top plate is opened.

Fig. 7 is an enlarged schematic view of a portion B in fig. 6.

Fig. 8 is intended to highlight the connection of the blower to the box.

Reference numerals illustrate:

1. a case; 11. a connecting strip; 111. a slot; 1111. an elastic rubber ring; 1112. a second spring; 12. a top plate; 121. a third side plate; 122. a fourth side plate; 123. rotating the block; 1231. a slide bar; 124. grabbing holes; 125. a dust-proof plate; 126. a second heat radiation hole; 1251. a dust screen; 13. a first side plate; 14. a second side plate; 15. a slideway; 151. a slide block; 2. a bottom plate; 21. a slide rail; 211. a chute; 22. a micro fan; 3. a module; 31. a front plate; 311. a right angle plate; 3111. a groove; 312. a socket; 313. a rubber layer; 314. a first heat radiation hole; 315. a bump; 32. a circuit board; 321. a positioning plate; 3211. a positioning strip; 4. a baffle; 41. a placement groove; 411. a first spring; 412. a connecting block; 42. a bar-shaped groove; 421. a deflector rod; 43. a cylindrical hole; 431. a cylindrical baffle.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-8.

The embodiment of the application discloses a case of a satellite synchronous clock device.

Referring to fig. 1 and 2, an anti-interference satellite synchronous clock convenient to disassemble and assemble comprises a box body 1, wherein the box body 1 is provided with a bottom plate 2, a plurality of modules 3 are arranged on the bottom plate 2, each module 3 comprises a front plate 31 and a circuit board 32, and the front plate 31 is fixedly connected with the circuit board 32. The end surface of the front plate 31, which is away from the circuit board 32, is provided with a socket 312, the socket 312 is electrically connected with the circuit board 32, and the front plate 31 is fixedly connected with a rubber layer 313 matched with the slot 111; when the matched plug is inserted into the socket 312, the friction force at the contact part can be increased by the rubber layer 313, so that the plug is connected with the socket 312 more firmly, and the plug is not easy to slide down when meeting the working conditions such as jolt and the like.

Referring to fig. 2, when the module 3 is inserted, the module 3 is firstly contacted with the bottom plate 2, the bottom plate 2 is provided with a plurality of mutually parallel sliding rails 21, the sliding rails 21 are provided with sliding grooves 211, the bottom of the circuit board 32 is fixedly connected with a positioning plate 321, and the positioning plate 321 is provided with positioning strips 3211 which are matched with the sliding grooves 211; one end of a circuit board 32 of the module 3 is provided with a locating strip 3211 to be placed in the sliding groove 211, the sliding groove 211 limits the locating strip 3211, the module 3 slides towards the sliding groove 211, and the matching of the sliding groove 211 and the locating strip 3211 is convenient for locating the module 3 and inserting the module 3 into the bottom plate 2.

Referring to fig. 2 and 3, a baffle 4 is disposed between two adjacent modules 3, the baffle 4 is fixed to the bottom plate 2, a placement groove 41 is formed in the baffle 4, a first spring 411 and a connection block 412 are disposed in the placement groove 41, the connection block 412 is disposed in the placement groove 41 and is slidably connected with the inner wall of the placement groove 41, the first spring 411 is fixedly connected with the connection block 412, and a part of the connection block 412 is located outside the placement groove 41 when the first spring 411 is in a natural state. The module 3 is fixedly connected with a rectangular plate 311, a groove 3111 is formed in one side, away from the circuit board 32, of the rectangular plate 311, the groove 3111 is matched with the connecting block 412, the rectangular plate 311 is vertically fixed with the front plate 31, and the rectangular plate 311 is in sliding connection with the baffle 4.

Referring to fig. 2 and 4, the module 3 is inserted into the base plate 2 by hand, and the first spring 411 is contracted to allow the connection block 412 to enter the placement groove 41. In the process that the rectangular plate 311 is gradually inserted into the box body 1 along with the front plate 31, the baffle plate 4 is in sliding connection with the rectangular plate 311, the connecting block 412 is in abutting sliding connection with the outer wall of the rectangular plate 311, when the placing groove 41 corresponds to the groove 3111, the first spring 411 in the placing groove 41 pushes the connecting block 412 to enter the groove 3111, one part of the connecting block 412 is located in the groove 3111, the other part of the connecting block 412 is located in the placing groove 41, connection positioning between the rectangular plate 311 and the baffle plate 4 is achieved, the module 3 is stably fixed at the bottom plate 2, and the module 3 is more convenient to install.

Referring to fig. 1 and 5, the baffle 4 is provided with a bar-shaped groove 42 communicated with the placement groove 41, the bar-shaped groove 42 is arranged along the thickness direction of the baffle 4, a deflector rod 421 is arranged in the bar-shaped groove 42, and the deflector rod 421 is slidably connected with the bar-shaped groove 42. When the module 3 needs to be maintained or overhauled, the deflector rod 421 can be stirred, so that the first spring 411 is compressed, the connecting block 412 is driven to enter the placing groove 41, the module 3 can be smoothly pulled out at the moment, the single module 3 is convenient to maintain, the disassembly process is convenient, and the installation is convenient after the maintenance.

Referring to fig. 3 and 4, a bump 315 is fixed on one side of the front plate 31 near the circuit board 32, the box 1 is slidably connected with a connection bar 11, a plurality of slots 111 matched with the bump 315 are formed on the connection bar 11, the height of the circuit board 32 is smaller than that of the front plate 31, so that the placed connection bar 11 cannot penetrate through the circuit board 32, and the structure of the circuit board 32 is damaged; the upper ends of the baffle plates 4 are provided with cylindrical holes 43, the cylindrical holes 43 are provided with cylindrical blocking bodies 431 matched with the cylindrical holes, and the cylindrical blocking bodies 431 can block the connecting strips 11, so that the connecting strips 11 cannot move in a translation mode after being matched with the convex blocks 315; the one end that the lug 315 deviates from front bezel 31 is the toper, and the toper structure makes things convenient for lug 315 to get into slot 111, and lug 315 cooperatees with slot 111, fixes a plurality of modules 3, prevents the mutual collision between two adjacent modules 3, has strengthened the stability between the module 3.

Referring to fig. 2, an elastic rubber ring 1111 and a plurality of second springs 1112 are circumferentially disposed in the slot 111, one end of each second spring 1112 is fixedly connected to the inner wall of the slot 111, and the other ends of the second springs 1112 are all fixed to the elastic rubber ring 1111. When the bump 315 enters the slot 111, the elastic rubber ring 1111 will slowly become larger along the circumferential direction, so as to push the plurality of second springs 1112 to contract until the bump 315 completely enters the elastic rubber ring 1111, the bump 315 will be fastened by the mechanism formed by the elastic rubber ring 1111 and the plurality of second springs 1112, and the bump 315 will not slide off easily, so that the stability between the modules 3 is better enhanced.

Referring to fig. 6 and 7, a case 1 (refer to fig. 1) is provided with a top plate 12, a first side plate 13 and a second side plate 14, the first side plate 13 and the second side plate 14 are arranged along the width side of the case 1, the top plate 12 is provided with a third side plate 121 and a fourth side plate 122, the third side plate 121 and the fourth side plate 122 are arranged along the width side of the top plate 12, a slide way 15 is fixedly arranged on the inner sides of the first side plate 13 and the second side plate 14, the third side plate 121 and the fourth side plate 122 are provided with a rotating block 123, the rotating blocks 123 are all rotationally connected with a slide bar 1231, and the slide bar 1231 rotates around the rotating block 123; one end of one sliding rod 1231, which is far away from the front plate 31, is hinged with the first side plate 13, the other end of the other sliding rod 1231, which is far away from the front plate 31, is hinged with the second side plate 14, the ends of the third side plate 121 and the fourth side plate 122, which are close to the front plate 31, are respectively and rotationally connected with a convex column, the convex columns are rotationally connected with a sliding block 151, the sliding block 151 is positioned in a sliding way 15 and is in sliding connection with the sliding way 15, the upper end of the top plate 12 is provided with a grabbing hole 124, the grabbing hole 124 is pulled upwards by hands, the sliding block 151 slides towards the hinged position, the sliding block 151 and the convex columns rotate relatively, and the included angle between the sliding rod 1231 and the sliding way 15 is gradually increased, so that the top plate 12 is opened; the top plate 12 can be easily pulled up to clearly expose the structure in the box 1, so that maintenance staff can conveniently carry out maintenance or repair work.

Referring to fig. 8, the anti-interference satellite synchronous clock is easy to release a large amount of heat during operation, the circuit is unstable due to overheating of the box 1, the normal operation of the circuit is affected, the micro fan 22 is fixedly arranged between two adjacent circuit boards 32, the micro fan 22 is positioned at one end deviating from the front plate 31, and the micro fan 22 is fixedly connected with the bottom plate 2. An operator starts the micro fan 22, wind generated by the micro fan 22 enters between two adjacent circuit boards 32, the micro fan 22 blows and dissipates heat to working components such as a module 3, a plurality of first heat dissipation holes 314 matched with the micro fan 22 are formed in the front plate 31, and hot air flows out of the box body 1 along with the first heat dissipation holes 314 of the front plate 31. The arrangement of the regional micro fans 22 can help the module 3 to quickly dissipate heat, so that the overall heat dissipation capacity of the anti-interference satellite synchronous clock is enhanced.

Referring to fig. 1 and 6, the top plate 12 is provided with a plurality of second heat dissipation holes 126, the second heat dissipation holes 126 help the case 1 to further dissipate heat, the lower end surface of the top plate 12 is clamped with a dust-proof plate 125, the dust-proof plate 125 is made of elastic materials, protruding pieces are arranged at four corners of the dust-proof plate 125, the lower end surface of the top plate 12 is provided with grooves 3111 matched with the protruding pieces, and the dust-proof plate 125 is provided with a dust-proof net 1251 corresponding to the second heat dissipation holes 126; the dust screen 1251 is made of special materials, so that dust can be effectively adsorbed, and when the dust passes through the heat dissipation holes, the dust screen 1251 can filter and adsorb the dust, so that the dust prevention effect is improved; can regularly wash dust screen 1251, dust screen 1251 four corners joint is in roof 12 department, can take off dust screen 1251 easily after pulling up roof 12, waits to wash and dry the back again with dust screen 1251 and roof 12 joint, process convenient and fast.

The implementation principle of the anti-interference satellite synchronous clock convenient to disassemble and assemble is as follows: be equipped with baffle 4 between two adjacent modules 3, baffle 4 is fixed with bottom plate 2, and standing groove 41 has been seted up to baffle 4, is equipped with first spring 411 and connecting block 412 in the standing groove 41, and connecting block 412 is placed in standing groove 41 and with standing groove 41 inner wall sliding connection, first spring 411 and connecting block 412 fixed connection, and first spring 411 is when natural state, and part of connecting block 412 is located outside the standing groove 41. The module 3 is fixedly connected with a rectangular plate 311, a groove 3111 is formed in one side, away from the circuit board 32, of the rectangular plate 311, the groove 3111 is matched with the connecting block 412, the rectangular plate 311 is vertically fixed with the front plate 31, and the rectangular plate 311 is in sliding connection with the baffle 4. The module 3 is inserted into the base plate 2 by hand, and the first spring 411 is contracted to allow the connection block 412 to enter the placement groove 41. In the process that the rectangular plate 311 is gradually inserted into the box body 1 along with the front plate 31, the baffle plate 4 is in sliding connection with the rectangular plate 311, the connecting block 412 is in abutting sliding connection with the outer wall of the rectangular plate 311, when the placing groove 41 corresponds to the groove 3111, the first spring 411 in the placing groove 41 pushes the connecting block 412 to enter the groove 3111, one part of the connecting block 412 is located in the groove 3111, the other part of the connecting block 412 is located in the placing groove 41, connection positioning between the rectangular plate 311 and the baffle plate 4 is achieved, the module 3 is stably fixed at the bottom plate 2, and the module 3 is more convenient to install.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a satellite synchronous clock device machine case, includes box (1), its characterized in that: the box body (1) is provided with a bottom plate (2), be equipped with a plurality of modules (3) on bottom plate (2), every module (3) include front bezel (31) and circuit board (32), be equipped with baffle (4) between two adjacent modules (3) front bezel (31) and circuit board (32) fixed connection, baffle (4) and bottom plate (2) fixed connection, standing groove (41) have been seted up to baffle (4), are equipped with first spring (411) and connecting block (412) in standing groove (41), first spring (411) and connecting block (412) fixed connection, module (3) set firmly with baffle (4) matched with set-square (311), set-square (311) and front bezel (31) vertical fixation, set-square (311) and baffle (4) sliding connection, set-square (311) have been seted up recess (3111) to deviate from circuit board (32) one side, recess (3111) and connecting block (412) cooperate, baffle (4) set up groove (42) that are linked together with standing groove (41), set up bar (42) in bar groove (42) thickness direction (42), the deflector rod (421) is in sliding connection with the strip-shaped groove (42).

2. A satellite synchronous clock device chassis according to claim 1, wherein: the circuit board (32) is high to be less than front bezel (31), front bezel (31) are close to circuit board (32) one side and have set firmly lug (315), and one end that lug (315) deviate from front bezel (31) is the toper, and box (1) sliding connection has connecting strip (11), has opened on connecting strip (11) a plurality of and lug (315) matched with slot (111), and cylindricality hole (43) have been seted up to a plurality of baffle (4), cylindricality hole (43) be equipped with rather than cylindrical baffle (431) of looks adaptation.

3. A satellite synchronous clock device chassis according to claim 2, wherein: an elastic rubber ring (1111) and a plurality of second springs (1112) are circumferentially arranged in the slot (111), one end of each second spring (1112) is fixedly connected to the inner wall of the slot (111), and the other ends of the second springs (1112) are fixed with the elastic rubber ring (1111).

4. A satellite synchronous clock device chassis according to claim 1, wherein: the base plate (2) is provided with a plurality of mutually parallel sliding rails (21), a sliding groove (211) is formed in each sliding rail (21), a positioning plate (321) is fixedly connected to the bottom of the circuit board (32), and the positioning plate (321) is provided with a positioning strip (3211) which is matched with the sliding groove (211).

5. A satellite synchronous clock device chassis according to claim 1, wherein: the box (1) is equipped with roof (12), first curb plate (13), second curb plate (14), first curb plate (13) and second curb plate (14) set up along box (1) width side, roof (12) are equipped with third curb plate (121), fourth curb plate (122), third curb plate (121) and fourth curb plate (122) set up along roof (12) width side, slide (15) have been set firmly to first curb plate (13) and second curb plate (14) inboard, third curb plate (121) and fourth curb plate (122) are equipped with soon piece (123), all rotate and be connected with slide bar (1231) soon piece (123), one end that one of them slide bar (1231) deviates from front bezel (31) is articulated with first curb plate (13), one end that another slide bar (1231) deviates from front bezel (31) is articulated with second curb plate (14), one end that third curb plate (121) and fourth curb plate (122) are close to front bezel (31) all rotate and are connected with slider (151), slider (151) are located spout (211) and with spout (12) sliding connection, grasp hole (124) have been seted up on top plate (211).

6. A satellite synchronous clock device chassis according to claim 1, wherein: the end face of the front plate (31) deviating from the circuit board (32) is provided with a socket (312), and the front plate (31) is fixedly connected with a rubber layer (313) matched with the socket (312).

7. A satellite synchronous clock device chassis according to claim 1, wherein: a micro fan (22) is fixedly arranged between two adjacent circuit boards (32), the micro fan (22) is located at one end deviating from the front plate (31), the micro fan (22) is fixedly connected with the bottom plate (2), and a plurality of first heat dissipation holes (314) matched with the micro fan (22) are formed in the front plate (31).

8. The satellite synchronous clock device chassis of claim 5, wherein: a plurality of second radiating holes (126) are formed in the top plate (12), a dust-proof plate (125) is clamped on the lower end face of the top plate (12), and a dust-proof net (1251) corresponding to the second radiating holes (126) is arranged on the dust-proof plate (125).

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