CN209845179U - Dustproof heat abstractor for router - Google Patents
Dustproof heat abstractor for router Download PDFInfo
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- CN209845179U CN209845179U CN201920660931.2U CN201920660931U CN209845179U CN 209845179 U CN209845179 U CN 209845179U CN 201920660931 U CN201920660931 U CN 201920660931U CN 209845179 U CN209845179 U CN 209845179U
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- dustproof
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Abstract
The utility model provides a dustproof heat dissipation device for a router, which comprises a box body with an open top, a box cover, a bracket arranged in the box body and a heat dissipation fan arranged in the box body; the box cover is provided with a plurality of upper threading holes, the top end of the box cover is fixedly provided with a dustproof block, and the dustproof block is provided with a through hole for accommodating an antenna to pass through; the left side of the box body is provided with a plurality of air inlet strip holes, and the outer side wall of the left side of the box body is provided with a dust screen and a dust screen mounting assembly for mounting the dust screen on the box body; an air outlet is formed in the lower portion of the right side of the box body, the cooling fans are arranged in the air outlet, the dust cover is arranged on the right side of the air outlet, the number of the cooling fans is one, and the axial directions of the cooling fans are parallel to the length direction of the box body. The utility model discloses a dustproof heat abstractor has not only carried out effectual blockking to external dust, has still carried out effectual heat dissipation to the router, has greatly prolonged the life of router.
Description
Technical Field
The utility model relates to a network auxiliary assembly especially relates to a router is with dustproof heat abstractor.
Background
Currently, a router is a device for connecting local area networks and wide area networks in the internet, and automatically selects and sets a route according to the channel condition, and sends signals in a front-back order by using an optimal path. Typically, each port of the router is used to connect to a separate network segment, but sometimes to provide faster access, important network computers may be connected directly to the ports of the router. Therefore, key servers and important users of the network have higher access speed and support larger information flow. At present, a commonly used router includes a housing and a circuit board, the circuit board is installed inside the housing of the router, a status display lamp is disposed on the housing, the status display lamp is electrically connected to the circuit board, a WLAN interface and a LAN interface are disposed on the housing, a power interface is disposed on one side of the LAN interface, both the WLAN interface and the LAN interface are electrically connected to the circuit board, the power interface is electrically connected to the circuit board, and an antenna electrically connected to the circuit board is installed on the housing of the router.
Because the existing network office can not achieve dustlessness, the router generally works continuously for 24 hours and is exposed in an environment with dust for a long time, and the performance of the internal components of the router is greatly influenced due to the pollution of the dust, particularly, each interface part is directly exposed in the air and is easy to be stained with the dust, so that voltage instability is caused, the normal work of the router is influenced, and the time is consumed and the work is also influenced when the dust on the interfaces is required to be cleaned in time. And the router can generate a large amount of heat in long-term operation, and the service performance of the router can be influenced if the heat is not dissipated in time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a router is with dustproof heat abstractor to solve the easy deposition that current router exists in the use and the big problem of production of heat.
The utility model discloses a realize like this:
a dustproof heat dissipation device for a router comprises a box body with an open top, a box cover covering the top of the box body, a bracket arranged in the box body and a heat dissipation fan arranged on the box body;
the box cover is provided with a plurality of upper threading holes for threading the antenna, the top end of the box cover is fixedly provided with a dustproof block corresponding to the upper threading holes, and the dustproof block is provided with a through hole for accommodating the antenna to pass through;
the left side of the box body is provided with a plurality of air inlet bar holes, and the outer side wall of the left side of the box body is provided with a dust screen for covering the air inlet bar holes and a dust screen mounting assembly for clamping and fixing the dust screen; the dustproof net mounting assembly comprises a limiting strip for inserting the dustproof net and an elastic pressing device for pressing the dustproof net, and the elastic pressing device and the limiting strip are both arranged on the outer side wall of the left side of the box body;
an air outlet is formed in the lower portion of the right side of the box body, the cooling fan is arranged in the air outlet, a dust cover fixed on the outer side wall of the box body is covered on the outlet side of the air outlet, and the axial direction of the cooling fan is parallel to the length direction of the box body.
The rear side of box is opened and is equipped with a plurality of net twine perforations that are used for the net twine to pass, the fixed being provided with in rear side of box is used for preventing the dust by net twine perforation department gets into the net twine dust guard of box, the net twine dust guard includes tetragonal fixed frame and fixed the setting rubber dustproof sheet on the fixed frame, be provided with a plurality of cross slots on the rubber dustproof sheet, the cross slot with net twine perforation quantity is unanimous.
The support is arranged at the lower part in the box body and comprises a heat dissipation frame which is horizontally arranged and supporting legs which are vertically arranged at the bottom end of the heat dissipation frame;
the heat dissipation frame is a rectangular frame and comprises a front frame, a rear frame, a left frame and a right frame which are sequentially connected end to end, a plurality of partition plates are evenly arranged in the heat dissipation frame, the length directions of the partition plates are parallel to the length direction of the front frame, and a plurality of cooling fins are vertically arranged between the front frame and the adjacent partition plates, between the two adjacent partition plates and between the rear frame and the adjacent partition plates.
The elastic pressing device comprises an upper mounting plate fixedly arranged on the upper portion of the outer side wall of the left side of the box body, a pressing plate hinged to the bottom end of the upper mounting plate and a spring arranged between the pressing plate and the upper mounting plate.
The air outlet is arranged in the middle of the lower portion of the box body along the width direction of the box body.
The radiating fins in adjacent rows are arranged in a parallel staggered manner.
The utility model has the advantages that:
1. the box cover is provided with a plurality of upper threading holes for threading the antenna, the top end of the box cover is fixedly provided with a dustproof block corresponding to the upper threading holes, and the dustproof block can prevent dust from entering the box body from the upper threading holes to pollute the interface of the antenna.
2. The left side of box is provided with a plurality of air inlet strip holes, the air exit has been seted up to the lower part on box right side, radiator fan sets up in the air exit, because the router can produce the heat at long-term operation in-process, under radiator fan's effect, the box is internal by air inlet strip hole department entering into to the outer air of box, the box is internal by air inlet strip hole entering under radiator fan's effect to the outer air of box, cool down the top and the bottom of router respectively, can carry out effectual heat dissipation to the router. The position department that corresponds with air inlet strip hole at box left side lateral wall is provided with the dust screen, is provided with the dust cover on the right side of air exit, and the setting of dust screen can filter the air that gets into by air inlet strip hole, prevents entering into of external dust in the box. When the cooling fan operates, a small amount of air enters the box body from the air outlet, and the dust cover can just block dust mixed in the air out of the box body.
3. The dust screen installation component is arranged to enable the dust screen to be detached simply, a large amount of dust can be accumulated during working of the dust screen, the dust screen needs to be cleaned periodically, the cleaned dust screen is better in ventilation effect, the dust screen can be rapidly detached and installed through the dust screen installation component, and harmful effects of repeated detachment of the dust screen on dust prevention devices are reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a plan view of the present invention.
Fig. 3 is a rear view of the present invention.
Fig. 4 is a left side view of the utility model with the case cover removed.
Fig. 5 is a right side view of the utility model with the case cover removed.
Fig. 6 is a schematic structural view of the heat dissipation frame of the present invention.
Fig. 7 is a schematic structural view of the elastic pressing device.
Fig. 8 is a mounting structure view of the dust cover.
In the figure: 1. a box body; 2. a box cover; 3. a heat radiation fan; 4. threading holes are formed; 5. a dust-proof block; 6. a dust screen; 7. a limiting strip; 8. perforating the mesh wire; 9. a fixing frame; 10. a rubber dust-proof sheet; 11. cross-shaped seam marking; 12. an upper mounting plate; 13. pressing a plate; 14. a spring; 15. an air duct; 16. a router; 17. air inlet bar holes; 18. a support leg; 19. a front frame; 20. a rear frame; 21. a left frame; 22. a right frame; 23. a partition plate; 24. a heat sink; 25. a dust cover; 26. a slide rail.
Detailed Description
The present invention is further illustrated by the following examples, which are given by way of illustration only and are not intended to limit the scope of the present invention in any way.
As shown in fig. 1 and 2, the utility model comprises a box body 1 with an open top, a box cover 2 covering the top of the box body 1, a bracket arranged in the box body 1 and a cooling fan 3 arranged in the box body 1. The box body 1 is a plastic box body, and the box cover 2 is a plastic box cover. The box cover 2 is provided with a plurality of upper threading holes 4 for accommodating the antennas to pass through, and the upper threading holes 4 are through holes in the vertical direction. The fixed dust proof block 5 that is provided with and goes up through wires hole 4 and corresponds in the top of case lid 2, and the position department that is corresponding to last through wires hole 4 on 2 tops of case lid is provided with dust proof block 5 promptly, and dust proof block 5 is made by silica gel, and dust proof block 5 promptly is the silica gel dust proof block. Be provided with the through-hole that is used for holding the antenna and passes on dustproof piece 5, the aperture of the through-hole of setting on dustproof piece 5 is less than the aperture of last through wires hole 4, and this kind of setting of dustproof piece 5 prevents on the one hand that the dust from getting into the box by last through wires hole, and on the other hand is soft and elasticity is great owing to it adopts the silica gel material, can make the router antenna carry out different inclination's regulation. The dustproof block 5 is a cylindrical dustproof block. In this embodiment, the front and rear sides of the case cover 2 are both sides along the width direction of the case cover 2, the left and right sides of the case cover 2 are both sides along the length direction of the case cover 2, and the dust-proof blocks 5 are distributed on both sides along the length direction of the case cover 2 and one side along the width direction of the case cover 2 on the top surface of the case cover 2. The quantity of dust proof piece 5 is 6, wherein 2 dust proof piece 5 distribute in the rear side of 2 top surfaces of case lid, 4 other dust proof piece 5 symmetric distributions are in the left and right both sides of 2 top surfaces of case lid, all be provided with 2 dust proof piece 5 on the left side and the right side of 2 top surfaces of case lid promptly, the dust proof piece 5 that sets up in 2 rear sides of case lid sets up along the length direction of case lid 2, dust proof piece 5 that sets up on 2 left sides of case lid and right side all sets up along the width direction of case lid 2, this can be adapted to the router 16 that the antenna quantity is 6, also can be adapted to other router 16 that the antenna quantity is 2 or 4. Because dustproof piece 5 corresponds the setting with last through wires hole 4, the distribution position of going up through wires hole 4 is unanimous with dustproof piece 5's distribution position, it distributes in the left and right sides and the rear side of case lid 2 to go up through wires hole 4 promptly, the quantity of going up through wires hole 4 is 6, wherein 2 go up through wires hole 4 and distribute in the rear side of case lid 2, 4 go up through wires hole 4 symmetric distribution in the left and right sides of case lid 2 in addition, all be provided with 2 promptly on the left side of case lid 2 and right side and go up through wires hole 4, the last through wires hole 4 that sets up in case lid 2 rear side sets up along the length direction of case lid 2, the last through wires hole 4 that sets up on case lid 2 left side and right side all sets up along the width direction of case lid 2.
As shown in fig. 1 and 4, a plurality of air inlet bar holes 17 are formed in the left side of the box body 1, the air inlet bar holes 17 are strip-shaped through holes, the length direction of each air inlet bar hole 17 is parallel to the height direction of the box body 1, the axial direction of each air inlet bar hole 17 is parallel to the length direction of the box body 1, that is, the depth direction of each air inlet bar hole 17 is parallel to the length direction of the box body 1. The dustproof net 6 used for covering the air inlet bar hole 17 and the dustproof net mounting component used for clamping and fixing the dustproof net 6 are arranged on the outer side wall of the left side of the box body 1. As shown in fig. 1 and 7, the dust screen mounting assembly includes a limiting strip 7 for inserting the dust screen 6 and an elastic pressing device for pressing the dust screen 6. Elastic pressing device and spacing 7 all set up on 1 left side lateral wall of box, spacing 7 sets up the bottom at 1 left lateral wall of box, elastic pressing device sets up the upper portion at 1 left lateral wall of box, spacing 7 is the L shape slat, form between spacing 7 and the left lateral wall of box 1 and hold dust screen 6 male slot, spacing 7 sets up the spacing bottom plate in spacing curb plate bottom including the spacing curb plate of vertical setting and level promptly, spacing curb plate and the left lateral wall of box 1 form and hold dust screen 6 male slot. The elastic pressing device comprises an upper mounting plate 12 fixedly arranged on the upper part of the outer side wall of the left side of the box body 1, a pressing plate 13 hinged with the bottom end of the upper mounting plate 12 and a spring 14 arranged between the pressing plate 13 and the upper mounting plate 12. The spring 14 is vertically arranged, the top end of the spring 14 is fixedly connected with the bottom end of the limiting strip 7, the bottom end of the spring 14 is fixedly connected with the pressing plate 13, and the springs 14 are multiple and are evenly arranged along the axial direction of the pressing plate 13. In this embodiment, the upper mounting plate 12 is a strip-shaped plate, the upper mounting plate 12 is horizontally disposed, the pressing plate 13 is made of a strip-shaped plate with an L-shaped cross section, and both the axial direction of the upper mounting plate 12 and the axial direction of the pressing plate 13 are parallel to the width direction of the box body 1. The bottom end of the air inlet strip hole 17 is higher than the top end of the limiting strip 7. As shown in fig. 4, the hinge structure between the pressing plate 13 and the upper mounting plate 12 is: the axial both ends of the bottom of clamp plate 13 are all fixed and are provided with the baffle, fixedly between two baffles being provided with the dabber, and the cover is equipped with the sleeve on the dabber, and the sleeve rotates around the dabber, clamp plate 13 with through welded mode and telescopic lateral surface fixed connection.
As shown in fig. 1 and 5, an air outlet is formed in the lower portion of the right side of the box 1, the heat dissipation fan 3 is disposed in the air outlet, and the axial direction of the heat dissipation fan is parallel to the axial direction of the air outlet, that is, the axial direction of the heat dissipation fan 3 is parallel to the length direction of the box 1. The heat radiation fan 3 is an axial flow fan, the air inlet end of the heat radiation fan 3 is the left end of the heat radiation fan, and the number of the heat radiation fans 3 is one. The air outlet is arranged in the middle of the lower part of the box body 1 along the width direction of the box body 1. The top of the air outlet is lower than the top of the air inlet bar hole 17, and the ventilation area of the left side of the box body 1 is larger than that of the right side of the box body. The outlet side of air exit covers and is equipped with the dust cover 25 of fixing on the box lateral wall, is provided with dust cover 25 on the right side of air exit promptly, and dust cover 25 is fixed to be set up on the lateral wall of the box corresponding side. The vertical section of the exhaust port is rectangular, and the section is perpendicular to the length direction of the box body 1. As shown in fig. 8, the attachment structure of the dust cover 25 is: the air duct 15 with the rectangular cross section is arranged at the air outlet, the top end and the bottom end of the air duct 15 are respectively provided with a slide rail 26, the slide rail 26 at the top end of the air duct 15 is arranged opposite to the slide rail 26 at the bottom end of the air duct, each slide rail 26 is provided with a T-shaped slide groove, the upper end and the lower end of the dust cover 25 are respectively provided with a slide block matched with the T-shaped slide groove corresponding to the corresponding end, the joint of each slide block and the dust cover 25 protrudes out of the left end of the front side of the dust cover 25, and the left end of the front side of the dust cover 25 is.
As shown in fig. 1 and 3, a plurality of mesh wire perforations 8 for passing mesh wires are opened at the rear side of the box body 1, and the number of the mesh wire perforations 8 is at least 6 so as to be suitable for most routers at present, in the present embodiment, the number of the mesh wire perforations 8 is 8. A net wire dustproof plate for preventing dust from entering the box body 1 from the net wire perforation 8 is fixedly arranged at the rear side of the box body 1. The net twine dust guard includes the fixed frame 9 of quadrangle and the fixed rubber dustproof piece 10 that sets up on fixed frame 9, and the border of rubber dustproof piece 10 is provided with a plurality of cross slots 11 through pasting or threaded connection's mode and the corresponding side fixed connection of fixed frame 9 on the rubber dustproof piece 10, and cross slot 11 is unanimous with net twine perforation 8 quantity. When the dustproof box is used, the net cables sequentially penetrate through the cross-shaped slits 11 and the net cable through holes 8 and then enter the interfaces of the routers 16 in the box body to be connected, after the net cables are inserted into the cross-shaped slits 11, the cross-shaped slits 11 are closed again due to the material of the rubber dustproof sheets, and therefore external dust can be prevented from entering the net cable interfaces along the net cables.
As shown in fig. 1 and 6, the support is arranged at the lower part in the box body 1, the support comprises a horizontally arranged heat dissipation frame and a support leg 18 vertically arranged at the bottom end of the heat dissipation frame, the heat dissipation frame is a rectangular frame, the heat dissipation frame comprises a front frame 19, a rear frame 20, a left frame 21 and a right frame 22, the peripheries of the front frame and the rear frame are sequentially connected end to end, the front frame 19 and the rear frame 20 are respectively arranged at the front side and the rear side of the heat dissipation frame, and the left frame 21 and the right frame 22 are respectively arranged at the left side and the right side of the heat dissipation frame. The heat radiating frame is internally and uniformly provided with a plurality of clapboards 23, the length direction of each clapboard 23 is parallel to that of the front frame 19, a plurality of heat radiating fins 24 are vertically arranged between the front frame 19 and the adjacent clapboard 23, between two adjacent clapboards 23 and between the rear frame 20 and the adjacent clapboard 23, the heat radiating fins in adjacent rows are arranged in parallel in a staggered mode, namely, each row of heat radiating fins 24 and the adjacent row of heat radiating fins 24 are arranged in a staggered mode, the staggered arrangement of the heat radiating fins can form turbulent flow to air flowing through the heat radiating fins, and the heat exchange effect can be enhanced. The same row of fins 24 is arranged along the length of the housing 1 and are metal fins, which in this embodiment are made of copper sheet. The radiating fins 24 are of rectangular sheet structures, the plate surfaces of the radiating fins 24 are parallel to the plane where the left outer side wall of the box body 1 is located, the top ends of the radiating fins 24 are flush, the top ends of the radiating fins 24 are higher than the top end of the radiating frame, and the bottom ends of the radiating fins 24 are lower than the bottom end of the radiating frame.
As shown in fig. 1 to 8, when the utility model is used, the case cover 2 is opened first, the router 16 is placed on the bracket, that is, the router 16 is placed on the top end of the heat sink 24, the antenna passes through the upper threading hole 4 of the case cover 2, and then the case cover 2 is covered. The installation of the dust screen 6 is performed. The installation process of the dust screen is as follows: firstly, the pressing plate 13 is lifted, the dustproof net 6 is inserted into a slot formed by the limiting strip 7 and the outer side wall on the left side of the box body, the upper part of the dustproof net 6 is abutted to the outer side wall on the left side of the box body 1, then the pressing plate 13 is released, and the dustproof net 6 is pressed on the outer side wall on the left side of the box body 1 by the pressing plate 13 under the action of the spring 14. Then install the dust cover, the installation of dust cover does: the sliding block on the dust cover 25 is inserted into the sliding slot of the sliding rail 26 from the left side or the right side of the sliding rail 26 until the dust cover completely covers the air duct 15. Then open radiator fan 3 again, after external air enters into box 1 by air inlet strip hole 17: a part of air is blown to the bottom of the router 16 through the vent holes by the cooling fan 3 to cool the bottom of the router 16; a part of air is used for radiating the radiating fins, and the heat of the radiating fins is the heat conducted by the radiating fins at the bottom of the router; a part of air is attracted to the upper part of the router under the action of the cooling fan, and the top of the router is effectively cooled. The utility model discloses a dust keeper has not only carried out effectual blockking to external dust, has still carried out effectual heat dissipation to the router, has greatly prolonged the life of router.
The above description in this specification is merely illustrative of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (6)
1. A dustproof heat dissipation device for a router is characterized by comprising a box body with an open top, a box cover covering the top of the box body, a support arranged in the box body and a heat dissipation fan arranged on the box body;
the box cover is provided with a plurality of upper threading holes for threading the antenna, the top end of the box cover is fixedly provided with a dustproof block corresponding to the upper threading holes, and the dustproof block is provided with a through hole for accommodating the antenna to pass through;
the left side of the box body is provided with a plurality of air inlet bar holes, and the outer side wall of the left side of the box body is provided with a dust screen for covering the air inlet bar holes and a dust screen mounting assembly for clamping and fixing the dust screen; the dustproof net mounting assembly comprises a limiting strip for inserting the dustproof net and an elastic pressing device for pressing the dustproof net, and the elastic pressing device and the limiting strip are both arranged on the outer side wall of the left side of the box body;
an air outlet is formed in the lower portion of the right side of the box body, the cooling fan is arranged in the air outlet, a dust cover fixed on the outer side wall of the box body is covered on the outlet side of the air outlet, and the axial direction of the cooling fan is parallel to the length direction of the box body.
2. The dustproof heat dissipation device for the router according to claim 1, wherein a plurality of mesh wire perforations for the mesh wires to pass through are arranged at the rear side of the box body, a mesh wire dust guard plate for preventing dust from entering the box body from the mesh wire perforations is fixedly arranged at the rear side of the box body, the mesh wire dust guard plate comprises a quadrangular fixing frame and a rubber dust guard sheet fixedly arranged on the fixing frame, a plurality of cross-shaped slits are arranged on the rubber dust guard sheet, and the cross-shaped slits are consistent with the mesh wire perforations.
3. The dustproof heat dissipation device for the router according to claim 1, wherein the bracket is arranged at the lower part in the box body, and comprises a heat dissipation frame arranged horizontally and a support leg arranged vertically at the bottom end of the heat dissipation frame;
the heat dissipation frame is a rectangular frame and comprises a front frame, a rear frame, a left frame and a right frame which are sequentially connected end to end, a plurality of partition plates are evenly arranged in the heat dissipation frame, the length directions of the partition plates are parallel to the length direction of the front frame, and a plurality of cooling fins are vertically arranged between the front frame and the adjacent partition plates, between the two adjacent partition plates and between the rear frame and the adjacent partition plates.
4. The dustproof heat sink for routers of claim 1, wherein the elastic pressing device comprises an upper mounting plate fixedly arranged on the upper portion of the outer side wall of the left side of the box body, a pressing plate hinged to the bottom end of the upper mounting plate, and a spring arranged between the pressing plate and the upper mounting plate.
5. The dustproof heat sink for routers of claim 1, wherein the air outlet is arranged in the middle of the lower part of the box body along the width direction of the box body.
6. The dustproof heat sink for routers of claim 3, wherein the fins of adjacent rows are arranged in parallel and offset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920660931.2U CN209845179U (en) | 2019-05-09 | 2019-05-09 | Dustproof heat abstractor for router |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920660931.2U CN209845179U (en) | 2019-05-09 | 2019-05-09 | Dustproof heat abstractor for router |
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| Publication Number | Publication Date |
|---|---|
| CN209845179U true CN209845179U (en) | 2019-12-24 |
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ID=68915879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920660931.2U Active CN209845179U (en) | 2019-05-09 | 2019-05-09 | Dustproof heat abstractor for router |
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| CN (1) | CN209845179U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112566469A (en) * | 2020-12-14 | 2021-03-26 | 南昌友星电子电器有限公司 | Heat dissipation dustproof construction of cabin electric junction box |
-
2019
- 2019-05-09 CN CN201920660931.2U patent/CN209845179U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112566469A (en) * | 2020-12-14 | 2021-03-26 | 南昌友星电子电器有限公司 | Heat dissipation dustproof construction of cabin electric junction box |
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Effective date of registration: 20220825 Address after: 065000 11-1-2402 Runyuan, China Fortune Land Development, Guangyang District, Langfang City, Hebei Province (office only) Patentee after: Zhengji Taichuan Technology (Langfang) Co.,Ltd. Address before: 570105 room 1108, Tianyi international building, 85 Binhai Avenue, Longhua District, Haikou City, Hainan Province Patentee before: HAINAN SHENGDAO TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20231012 Address after: 065000 Shengde Huayuan Community, Anci District, Langfang City, Hebei Province, 36-1-908 (office space) Patentee after: Hebei Liaison Station Communication Technology Co.,Ltd. Address before: 065000 11-1-2402 Runyuan, China Fortune Land Development, Guangyang District, Langfang City, Hebei Province (office only) Patentee before: Zhengji Taichuan Technology (Langfang) Co.,Ltd. |
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