CN202652806U - Radiating air duct structure and combined type cabinet - Google Patents
Radiating air duct structure and combined type cabinet Download PDFInfo
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- CN202652806U CN202652806U CN 201220230223 CN201220230223U CN202652806U CN 202652806 U CN202652806 U CN 202652806U CN 201220230223 CN201220230223 CN 201220230223 CN 201220230223 U CN201220230223 U CN 201220230223U CN 202652806 U CN202652806 U CN 202652806U
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Abstract
The utility model relates to a radiating air duct structure and a combined type cabinet, wherein the radiating air duct structure is used for realizing radiation in a cabinet, and comprises an air inlet module, an air outlet module and an air deflector; the air inlet module is convenient for the air to enter into the cabinet; the air deflector is arranged at the position which is close to the position of a heating component is in the cabinet for leading the air which enters from the air inlet module to the heating component in the cabinet; the air outlet module is arranged at the position which is close to the position of a fan in the cabinet for discharging the hot air which absorbs the radiated heat of the heating component through the fan; the combined type cabinet comprises cabinets and the above radiating air duct structure; the cabinets are arranged back-to-back; and a heating component and a fan are arranged in each cabinet. The radiating air duct structure and a combined type cabinet perform radiation by setting the radiating air duct structure with reasonable design in the cabinet, thus reducing the space occupied by the radiating device in the cabinet, and achieving good radiating effect.
Description
Technical field
The utility model relates to energy technology field, more particularly, relates to a kind of heat dissipation wind channel structure and composite type rack.
Background technology
Expansion along with wind-powered electricity generation industry production capacity, wind energy converter cabinet power grade progressively increases, converter cabinet internal components density is more and more higher, cause current device work generation amount of heat in the converter cabinet, major issue of the thing followed is how to improve the heat dispersion of converter cabinet, to guarantee that device can work in the converter cabinet.
Currently used converter cabinet radiating mode generally is the effect that reaches the complete machine heat radiation by liquid cooling, namely adopts by being arranged on the cold water or other refrigerants that circulate in the water cooled pipeline in the converter cabinet and takes away heat in the converter cabinet, and its radiating efficiency is high.The water-cooled devices such as more water cooled pipeline and heat exchanger need to be set but employing liquid cooling mode is dispelled the heat, will certainly increase the size of converter cabinet integral body, and because converter cabinet is subject to the restriction of environment size of living in, consider simultaneously the factor of the aspects such as cost, so that the advantage that the liquid cooling mode is dispelled the heat under these conditions is not obvious especially.
In addition, because converter cabinet generally is to adopt back-to-back distribution form at present, taken up space to save converter cabinet, improve and safeguard the space.Composite type unsteady flow cabinet as shown in Figure 1 comprises two converter cabinets 1 that arrange back-to-back, and one be arranged on two back-to-back the 3rd converter cabinets 1 of converter cabinet side, heater members mainly concentrates on each converter cabinet 1 interior position near back 2, namely two mid portions of converter cabinet combination back-to-back cause converter cabinet 1 internal heat dissipating more difficult.
Equally, for the rack of other purposes, such as server cabinet etc., when highly dense heater members being set in the rack and need to adopting back-to-back mode to make up to save institute when taking up space, face too the above-mentioned problem that how to improve heat dispersion.
The utility model content
The technical problems to be solved in the utility model is, for the defects of prior art, provides that a kind of volume is little, the heat dissipation wind channel structure of perfect heat-dissipating.
Another purpose of the present utility model is, a kind of composite type rack that uses above-mentioned heat dissipation wind channel structure is provided.
The technical scheme that its technical problem that solves the utility model adopts is:
Construct a kind of heat dissipation wind channel structure, be used for realizing the interior of equipment cabinet heat radiation, wherein, described heat dissipation wind channel structure comprises is convenient to the air intake module that air enters into described interior of equipment cabinet, also comprises air-out module and wind deflector; Wherein, described wind deflector is arranged on the position near described rack internal heat generation device, is used for guiding to from the air that described air intake module enters the heater members in the described rack; Described air-out module is arranged in the described rack near the position of blower fan, and the hot-air that be used under described fan action, will be absorbed with described heater members distribute heat is expelled to outside the described rack.
Heat dissipation wind channel structure described in the utility model, wherein, described air intake module comprises is convenient to air enters into described interior of equipment cabinet from described rack outside mesh air intake plate.
Heat dissipation wind channel structure described in the utility model, wherein, described air intake module also comprises and is covered on the described air intake plate, is used for the first dustproof dust excluding plate.
Heat dissipation wind channel structure described in the utility model, wherein, described air intake module also comprises the barricade that is covered on described the first dust excluding plate, is used for improving described rack Electro Magnetic Compatibility.
Heat dissipation wind channel structure described in the utility model, wherein, described air-out module comprises is convenient to the exhausting plate that described hot-air is discharged.
Heat dissipation wind channel structure described in the utility model, wherein, described air-out module also comprises and is covered on the described exhausting plate, is used for the second dustproof dust excluding plate.
Heat dissipation wind channel structure described in the utility model wherein, is provided with between described the second dust excluding plate and described blower fan for the fan shroud of concentrating fan delivery, the described blower fan of reduction and described exhausting plate edge air channel short-circuit risks.
The utility model also provides a kind of composite type rack, comprise two racks that arrange back-to-back, be provided with heater members and blower fan in each described rack, described heater members is arranged on postmedian position in the described rack, wherein, also be provided with in each described rack such as aforementioned each described heat dissipation wind channel structure.
Composite type rack described in the utility model, wherein, the air intake module of described heat dissipation wind channel structure is arranged on the side panel of described rack the position near middle part and bottom, the air-out module of described heat dissipation wind channel structure is arranged on the side panel of described rack and/or the front plate near the position of upper part, and described wind deflector is near described heater members setting.
Composite type rack described in the utility model, wherein, described heat dissipation wind channel structure comprises two described air intake modules, be respectively the first air intake module and the second air intake module, wherein said the first air intake module is arranged on the side panel bottom of described rack, and described the second air intake module is arranged on the side panel middle part of described rack.
Composite type rack described in the utility model, wherein, described heat dissipation wind channel structure also comprises two described air-out modules, be respectively the first air-out module and the second air-out module, wherein said the first air-out module is arranged on front plate the first half of described rack, and described the second air-out module is arranged on the side panel top of described rack.
Composite type rack described in the utility model, wherein, described heat dissipation wind channel structure also comprises two described wind deflectors, is respectively the first wind deflector and the second wind deflector; Wherein, described the first wind deflector perpendicular to plane, described side panel place, and vertically be arranged on the described side panel; Described the second wind deflector is parallel with described front plate and be oppositely arranged with described the first air-out module, and the position corresponding with described the first air-out module is provided with and is convenient to the mesh that air-flow passes through on described the second wind deflector.
Composite type rack described in the utility model, wherein, described rack is the wind energy converter cabinet.
The beneficial effects of the utility model are: by air intake module, wind deflector and air-out module are set, under the effect of rack inner blower, the rack extraneous air enters into interior of equipment cabinet from the air intake module, and under the effect of wind deflector, arrive rack internal heat generation device place, after the absorption heater spare work institute caloric value, under fan action, be expelled to the rack outside from the air-out module, realize interior of equipment cabinet is dispelled the heat.Because air intake module, wind deflector and air-out module all only take less space in the rack, do not need to arrange in addition the massive structures such as water cooled pipeline and heat exchanger, therefore can save enclosure interior; And when the startup blower fan rotates continuously, can constantly be drawn into cold wind and send hot blast from the air-out module from the air intake module, realize the cooling to rack internal heat generation device, and can reach preferably radiating effect.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is back-to-back converter cabinet perspective view of the prior art;
Fig. 2 is the heat dissipation wind channel structure assembling schematic diagram of the utility model preferred embodiment;
Fig. 3 is the single rack perspective view that is provided with heat dissipation wind channel structure of the utility model preferred embodiment;
Fig. 4 is the single interior of equipment cabinet structural representation that is provided with heat dissipation wind channel structure of the utility model preferred embodiment;
Fig. 5 is the composite type rack perspective view that is provided with heat dissipation wind channel structure of the utility model preferred embodiment.
Embodiment
The heat dissipation wind channel structure of the utility model preferred embodiment is used for realizing the interior of equipment cabinet heat radiation, its structure as shown in Figure 2, consult simultaneously Fig. 3 and Fig. 4, this heat dissipation wind channel structure comprises is convenient to the air intake module 20 that air enters into rack 10 inside, also comprises air-out module 30 and wind deflector 40.Wherein, wind deflector 40 is arranged on the position near rack 10 internal heat generation devices (not shown), is used for guiding to from the air that air intake module 20 enters the heater members in the rack 10; Air-out module 30 is arranged on rack 10 interior positions near blower fan (not shown), is used for will being absorbed with by blower fan the hot-air discharge of heater members distribute heat.Wherein rack 10 can be converter cabinet, also can be the rack 10 of other purposes.Like this by air intake module 20, wind deflector 40 and air-out module 30 are set, under the effect of rack 10 inner blowers, rack 10 extraneous airs enter into rack 10 inside from air intake module 20, under the effect of wind deflector 40, arrive rack 10 internal heat generation device places, after the absorption heater spare work institute caloric value, under fan action, be expelled to rack 10 outsides from air-out module 30, realize rack 10 internal heat dissipatings.Wherein, circulation wind path air intake is shown in arrow a among Fig. 3 and arrow b, and air-out direction is shown in arrow c among Fig. 3 and arrow d.
In above-described embodiment, because air intake module 20, wind deflector 40 and air-out module 30 all only take less space in the rack 10, do not need to arrange in addition the massive structures such as water cooled pipeline and heat exchanger, therefore can save rack 10 inner spaces.And when the startup blower fan rotates continuously, can constantly be drawn into cold wind and send hot blast from air-out module 30 from air intake module 20, realize the cooling to rack 10 internal heat generation devices, and can reach preferably radiating effect.
Further, as shown in Figure 2, the air intake module 20 of above-mentioned heat dissipation wind channel structure comprises is convenient to air enters into rack 10 inside from rack 10 outsides mesh air intake plate 21.This air intake plate 21 can be the part of rack 10 side panels 11 or front plate 12, namely directly the appropriate section on rack 10 front plate 12 or the side panel 11 is arranged to network structure, so that air enters into rack 10 inside.
Preferably, as shown in Figure 2, above-mentioned air intake module 20 also comprises the first dust excluding plate 22 that is covered on the air intake plate 21, so that extraneous air enters into rack 10 when inner, by the airborne dust of the first dust excluding plate 22 filterings, with protection rack 10 interior devices.Wherein the first dust excluding plate 22 can be selected according to the environment for use of rack 10 filter screen of different size.
More preferably, as shown in Figure 2, above-mentioned air intake module 20 also comprises barricade 23, and this barricade 23 is covered on above-mentioned the first dust excluding plate 22, is used for the shielding external disturbance, improves the Electro Magnetic Compatibility of rack 10.Wherein barricade 23 can adopt woven wire or close hold spacing plate.
Further, as shown in Figures 2 and 3, above-mentioned air-out module 30 comprises is convenient to air enters into rack 10 inside from rack 10 outsides mesh exhausting plate 31.This exhausting plate 31 can be the part of rack 10 side panels 11 or front plate 12, namely directly the appropriate section on rack 10 front plate 12 or the side panel 11 is arranged to network structure, so that hot-air is from rack 10 inner discharges.
Preferably, as shown in Figure 2, above-mentioned air-out module 30 also comprises the second dust excluding plate 32 that is covered on the exhausting plate 31, enters into rack 10 inside so that prevent external dust from exhausting plate 31, with protection rack 10 internal heat generation devices.Wherein the second dust excluding plate 32 can be selected according to the environment for use of rack 10 filter screen of different size.
Because the blower fan outlet air surface is generally circle, and consider based on overall appearance, generally be arranged to exhausting plate 31 square, then extraneous air can enter into from the Si Jiaochu of exhausting plate 31 rack 10 inside, probably causing air to enter in the rack 10 directly goes out afterwards, cause the air channel short circuit, affect the blower fan operating efficiency.
Therefore, more preferably, as shown in Figure 2, between the second dust excluding plate 32 of air-out module 30 and blower fan, be provided with fan shroud 33, be used for concentrating fan delivery, reduce blower fan and exhausting plate 31 edge air channel short-circuit risks.Particularly, as shown in Figure 2, fan shroud 33 is square platy structure, and fan shroud 33 middle parts are provided with is convenient to the circular hole 332 that air-flow passes through, to reach the purpose of concentrating fan delivery; Part 331 can shelter from four jiaos of exhausting plate 31 around the fan shroud 33, enters into rack 10 inside to avoid extraneous air from 31 4 jiaos of exhausting plates, prevents the air channel short circuit.
In the various embodiments described above, as shown in Figure 2, wind deflector 40 is platy structure, can adopt metal or plastic parts to make, its effect is the gap location that shelters between the heater members, forms the air channel, to guide to from the air that air intake module 20 enters the heater members in the rack 10, after absorbing heat, discharge from air-out module 30 again, can improve like this radiating efficiency of heat dissipation wind channel structure, reduce the fan energy consumption loss.Wherein the concrete desired location of wind deflector 40 in rack 10 is not restricted at this, as long as it can play the effect of above-mentioned wind-guiding.
In another embodiment of the present utility model, as shown in Figure 4, consult simultaneously Fig. 2 and Fig. 3, a kind of composite type rack also is provided, comprising two racks 10 that arrange back-to-back, can also comprise that perhaps the 3rd is arranged on two back-to-back racks of rack 10 sides.Be provided with heater members and blower fan (not shown) in each rack 10, heater members is arranged on rack 10 interior postmedian positions, also is provided with such as the heat dissipation wind channel structure among aforementioned arbitrary embodiment in each rack 10.Wherein, the air intake module 20 of heat dissipation wind channel structure is arranged on the side panel 11 of rack 10 position near middle part 112 and bottom 113, the air-out module 30 of heat dissipation wind channel structure is arranged on the side panel 11 of rack 10 and/or the front plate 12 position near upper part 111, wind deflector 40 arranges near rack 10 internal heat generation devices, so that form the circulation wind path.
Like this by in rack 10 interior air intake module 20, wind deflector 40 and the air-out modules 30 of arranging, under the effect of blower fan 10, rack 10 extraneous airs enter into rack 10 inside from air intake module 20, and under the effect of wind deflector 40, arrive rack 10 internal heat generation device places, after the absorption heater spare work institute caloric value, under fan action, be expelled to rack 10 outsides from air-out module 30, realize rack 10 internal heat dissipatings.Because air intake module 20, wind deflector 40 and air-out module 30 all only take less space in the rack 10, do not need to arrange in addition the massive structures such as water cooled pipeline and heat exchanger, therefore can save rack 10 inner spaces.When the startup blower fan rotates continuously, can constantly be drawn into cold wind and send hot blast from air-out module 30 from air intake module 20, realize the cooling to rack 10 internal heat generation devices, and can reach preferably radiating effect.Simultaneously, because air intake module 20 and air-out module 30 are arranged on the front plate 12 and/or side panel 11 of rack 10, even rack 10 is arranged back-to-back, do not affect the heat radiation of rack 10 yet, therefore be applicable to the heat radiation of most back-to-back composite type rack.
In above-described embodiment, one or more air intake modules 20, air-out module 30 and wind deflector 40 can be set as required, wherein air intake module 20 all is arranged on the side panel 11 of rack 10, air-out module 30 can only be arranged on the front plate 12, also can in front plate 12 and side panel 11 air-out module 30 be set simultaneously, the concrete desired location of wind deflector 40 in rack 10 then is not restricted, as long as it can play the effect of above-mentioned wind-guiding.And in two or more racks 10 of combinations thereof formula rack, the position of air intake module 20, air-out module 30 and wind deflector 40 can be not identical in the set heat dissipation wind channel structure, can arrange according to each rack 10 inner heat device arrangement mode.
In a further embodiment, in the combinations thereof formula rack, such as Fig. 4, shown in Figure 5, consult simultaneously Fig. 2 and Fig. 3, wherein the heat dissipation wind channel structure of at least one rack 10 comprises two air intake modules 20, is respectively the first air intake module 201 and the second air intake module 202.Wherein, the first air intake module 201 side panel 11 bottoms 113, the second air intake modules 202 of being arranged on rack 10 are arranged on side panel 11 middle parts 112 of rack 10.Heat dissipation wind channel structure also comprises two air-out modules 30, is respectively the first air-out module 301 and the second air-out module 302.Wherein, the first air-out module 301 is arranged on front plate 12 the first half of rack 10, and the second air-out module 302 is arranged on side panel 11 tops 111 of rack 10.Heat dissipation wind channel structure also comprises two wind deflectors 40, is respectively the first wind deflector 401 and the second wind deflector 402.Wherein, the first wind deflector 401 perpendicular to plane, side panel 11 place, and vertically be arranged on the side panel 11; The second wind deflector 402 and front plate 12 parallel and with the 301 corresponding settings of the first air-out module, position corresponding with the first air-out module 301 on the second wind deflector 402 is provided with the mesh (not shown) of being convenient to air-flow and passing through.
When rack 10 inner blower work, drive rack 10 interior Air Flows, and be drawn into rack 10 cool exterior air from air intake module 20, wind deflector 41 shelters from the gap location between the heater members, form the air channel, the heater members of the guiding cool air that will enter from air intake module 20 to the rack 10 discharged from air-out module 30 after absorbing heat again, realizes rack 10 heat radiations.
In the various embodiments described above, rack 10 is preferably the wind energy converter cabinet, also can be the rack of other purposes, such as server cabinet, grid-connection cabinet etc.Rack 10 inside are provided with high density current device, i.e. heater members.The particular location of heat dissipation wind channel structure each several part in the various embodiments described above in rack 10 set and can be adjusted according to the concrete arrangement mode of rack 10 interior current devices, so that be issued to optimum radiating effect in the situation that takies rack 10 interior minimum spaces.
In sum, the utility model takies air intake module 20, wind deflector 40 and the air-out module 30 in less space in the rack 10 by setting, do not need to arrange in addition the massive structures such as water cooled pipeline and heat exchanger, therefore can save rack 10 inner spaces; And when the startup blower fan rotates continuously, can constantly be drawn into cold wind and send hot blast by wind deflector 40 from air-out module 30 from air intake module 20, realize the cooling to rack 10 internal heat generation devices, and can reach preferably radiating effect.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection range of the utility model claims.
Claims (13)
1. heat dissipation wind channel structure, be used for realizing rack (10) internal heat dissipating, it is characterized in that, described heat dissipation wind channel structure comprises that being convenient to air enters into the inner air intake module (20) of described rack (10), also comprises air-out module (30) and wind deflector (40); Wherein, described wind deflector (40) is arranged on the position near described rack (10) internal heat generation device, is used for guiding to from the air that described air intake module (20) enters the heater members in the described rack (10); Described air-out module (30) is arranged in the described rack (10) near the position of blower fan, and the hot-air that be used under described fan action, will be absorbed with described heater members distribute heat is expelled to outside the described rack (10).
2. heat dissipation wind channel structure according to claim 1 is characterized in that, described air intake module (20) comprises that being convenient to air enters into the inner mesh air intake plate (21) of described rack (10) from described rack (10) outside.
3. heat dissipation wind channel structure according to claim 2 is characterized in that, described air intake module (20) comprises that also being covered in described air intake plate (21) goes up, is used for dustproof the first dust excluding plate (22).
4. heat dissipation wind channel structure according to claim 3 is characterized in that, described air intake module (20) also comprises the barricade (23) that is covered on described the first dust excluding plate (22), is used for improving described rack (20) Electro Magnetic Compatibility.
5. heat dissipation wind channel structure according to claim 1 is characterized in that, described air-out module (30) comprises is convenient to the exhausting plate (31) that described hot-air is discharged.
6. heat dissipation wind channel structure according to claim 5 is characterized in that, described air-out module (30) comprises that also being covered in described exhausting plate (31) goes up, is used for dustproof the second dust excluding plate (32).
7. heat dissipation wind channel structure according to claim 6, it is characterized in that, between described the second dust excluding plate (32) and described blower fan, be provided with for the fan shroud (33) of concentrating fan delivery, the described blower fan of reduction and described exhausting plate (31) edge air channel short-circuit risks.
8. composite type rack, comprise two racks (10) that arrange back-to-back, be provided with heater members and blower fan in each described rack (10), described heater members is arranged on the interior postmedian of described rack (10) position, it is characterized in that, also be provided with such as each described heat dissipation wind channel structure among the claim 1-7 in each described rack (10).
9. composite type rack according to claim 8, it is characterized in that, the air intake module (20) of described heat dissipation wind channel structure is arranged on the upper position near middle part (112) and bottom (113) of side panel (11) of described rack (10), the air-out module (30) of described heat dissipation wind channel structure is arranged on side panel (11) and/or the upper position near upper part of front plate (12) of described rack (10), and described wind deflector (40) is near described heater members setting.
10. composite type rack according to claim 9, it is characterized in that, described heat dissipation wind channel structure comprises two described air intake modules (20), be respectively the first air intake module (201) and the second air intake module (202), wherein said the first air intake module (201) is arranged on side panel (11) bottom (113) of described rack (10), and described the second air intake module (202) is arranged on side panel (11) middle part (112) of described rack (10).
11. composite type rack according to claim 9, it is characterized in that, described heat dissipation wind channel structure also comprises two described air-out modules (30), be respectively the first air-out module (301) and the second air-out module (302), wherein said the first air-out module (301) is arranged on front plate (12) the first half of described rack (10), and described the second air-out module (302) is arranged on side panel (11) top (111) of described rack (10).
12. composite type rack according to claim 9 is characterized in that, described heat dissipation wind channel structure also comprises two described wind deflectors (40), is respectively the first wind deflector (401) and the second wind deflector (402); Wherein, described the first wind deflector (401) perpendicular to described side panel (11) plane, place, and vertically be arranged on the described side panel (11); Described the second wind deflector (402) is parallel with described front plate (12) and be oppositely arranged with described the first air-out module (301), is provided with in the upper position corresponding with described the first air-out module (301) of described the second wind deflector (402) and is convenient to the mesh that air-flow passes through.
13. composite type rack according to claim 8 is characterized in that, described rack (10) is the wind energy converter cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220230223 CN202652806U (en) | 2012-05-22 | 2012-05-22 | Radiating air duct structure and combined type cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220230223 CN202652806U (en) | 2012-05-22 | 2012-05-22 | Radiating air duct structure and combined type cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202652806U true CN202652806U (en) | 2013-01-02 |
Family
ID=47421820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220230223 Expired - Lifetime CN202652806U (en) | 2012-05-22 | 2012-05-22 | Radiating air duct structure and combined type cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202652806U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103476210A (en) * | 2013-09-05 | 2013-12-25 | 江苏中冶能源设备制造有限公司 | Fixed electrical cabinet |
| CN104254228B (en) * | 2013-06-25 | 2016-07-06 | 艾默生网络能源有限公司 | Airflow management equipment and there is the stack of cabinets of airflow management equipment |
| WO2017121302A1 (en) * | 2016-01-14 | 2017-07-20 | 中兴通讯股份有限公司 | Air-guiding cabinet and communication system |
-
2012
- 2012-05-22 CN CN 201220230223 patent/CN202652806U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104254228B (en) * | 2013-06-25 | 2016-07-06 | 艾默生网络能源有限公司 | Airflow management equipment and there is the stack of cabinets of airflow management equipment |
| CN103476210A (en) * | 2013-09-05 | 2013-12-25 | 江苏中冶能源设备制造有限公司 | Fixed electrical cabinet |
| WO2017121302A1 (en) * | 2016-01-14 | 2017-07-20 | 中兴通讯股份有限公司 | Air-guiding cabinet and communication system |
| CN106973542A (en) * | 2016-01-14 | 2017-07-21 | 中兴通讯股份有限公司 | A kind of wind-guiding cabinet and communication system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518055 No. 1001 Nanshan Chi Park B2 building 1-4 floor, building 6-10 Patentee after: Vitamin Technology Co., Ltd. Address before: 518057 Nanshan District science and Technology Industrial Park, Guangdong, Shenzhen Branch Road, No. Patentee before: Aimosheng Network Energy Source Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |