CN202720557U - Heat dissipation system - Google Patents
Heat dissipation system Download PDFInfo
- Publication number
- CN202720557U CN202720557U CN 201220302719 CN201220302719U CN202720557U CN 202720557 U CN202720557 U CN 202720557U CN 201220302719 CN201220302719 CN 201220302719 CN 201220302719 U CN201220302719 U CN 201220302719U CN 202720557 U CN202720557 U CN 202720557U
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- liquid
- heat radiation
- cooling
- cooling heat
- cooling system
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Abstract
The utility model discloses a heat dissipation system which is used for solving the problem of a poor heat dissipation effect of the heat dissipation system based on air cooling heat dissipation. The heat dissipation system comprises at least one liquid cooling heat dissipation sheet, at least two water pumps and a liquid cooling heat dissipater, wherein each liquid cooling heat dissipation sheet is contacted with at least one heating point in a heating body; at least one liquid cooling heat dissipation sheet, at least two water pumps and the liquid cooling heat dissipater are connected in series through water guide pipes to form a closed water flow loop; circulation flow power of the liquid in the water flow loop is provided by at least two water pumps, so that the liquid circularly flows in the water flow loop. Because thermal conductivity of the liquid is better than that of the air, heat energy which is provided by the heating points in the heating body is dissipated through the liquid in the water flow loop, and heat dissipation performance can be improved.
Description
Technical field
The utility model relates to communication technical field, relates in particular to a kind of cooling system.
Background technology
The appearance of computing machine has greatly changed people's live and work, but computing machine can produce a large amount of heats at work, and this just need to arrange cooling system in computing machine, the heat that computing machine is produced distributes fast, to guarantee the normal operation of computing machine.
In the prior art, heat dissipation system for computers is normally based on the cooling system of wind-cooling heat dissipating.Since the heat major part that produces at work of computing machine come from its inside such as CPU, the contour heat generating components of video card, therefore, wind-cooling heat dissipating of the prior art system generally is the air channel that links to each other with fan the setting of high heat generating components, the heat that high heat generating components is produced conducts in the air of inside, air channel, by fan the hot-air in the air channel is extracted out, and with the cold air suction air channel of outside, thereby form airflow circulating, to be reached for the effect of high heat generating components heat radiation.
But, continuous miniaturization along with computing machine, the heat that the high heat generating components of its inside produces is also more and more concentrated, and because the thermal conductivity of air is limited, therefore the cooling system based on wind-cooling heat dissipating can not reach good radiating effect in the prior art, can't guarantee the normal operation of computing machine.
The utility model content
The utility model embodiment provides a kind of cooling system, and it is relatively poor based on the radiating effect of the cooling system of wind-cooling heat dissipating to be used for solving prior art, can't guarantee the problem of computing machine normal operation.
A kind of cooling system comprises:
At least one liquid-cooling heat radiation sheet, at least two water pumps, and liquid-cooling heat radiation row, wherein, each liquid-cooling heat radiation sheet contacts with a heat generating spot in the heater at least;
Described at least one liquid-cooling heat radiation sheet, at least two water pumps and liquid-cooling heat radiation row form the current loop of sealing by the aqueduct series connection;
Described at least two water pumps, the power that is used to the liquid carrying in the described current loop Gong to circulate circulates described liquid in described current loop;
Described at least one liquid-cooling heat radiation sheet, the heat importing that produces for the heat generating spot with heater circulates to the liquid of described liquid-cooling heat radiation sheet inside;
Described liquid-cooling heat radiation row is used for circulating the dissipation of heat that carries to the inner liquid of described liquid-cooling heat radiation row to air.
The utility model embodiment provides a kind of cooling system, this cooling system comprises at least one liquid-cooling heat radiation sheet, at least two water pumps, liquid-cooling heat radiations row, each liquid-cooling heat radiation sheet contacts with a heat generating spot in the heater at least, this at least one liquid-cooling heat radiation sheet, at least two water pumps and liquid-cooling heat radiation row connect by aqueduct, form the current loop of sealing, be the power that the liquid carrying in the current loop Gong circulates by these at least two water pumps, liquid is circulated in the current loop.Because the thermal conductivity of liquid is better than the thermal conductivity of air, therefore by the liquid in the current loop dissipation of heat that the heat generating spot in the heater produces is gone out, can improve heat dispersion.
Description of drawings
The cooling system structure synoptic diagram that Fig. 1 provides for the utility model embodiment;
The another kind of cooling system structure synoptic diagram that Fig. 2 provides for the utility model embodiment;
The third cooling system structure synoptic diagram that Fig. 3 provides for the utility model embodiment;
The front elevation that is fixed on the liquid-cooling heat radiation sheet on the heat generating spot that Fig. 4 provides for the utility model embodiment;
The 4th kind of cooling system structure synoptic diagram that Fig. 5 provides for the utility model embodiment;
The outside that Fig. 6 A provides for the utility model embodiment is fixed with the stereographic map of the reserve tank of radiating fin;
The inboard that Fig. 6 B provides for the utility model embodiment is fixed with the reserve tank cross-sectional elevational view of heat conduction fin;
The liquid-cooling heat radiation row's who is consisted of by S shape heat radiation comb that Fig. 7 provides for the utility model embodiment structural representation;
The outside that Fig. 8 provides for the utility model embodiment is fixed with the S shape heat radiation comb synoptic diagram of radiating fin.
Embodiment
Because the cooling system based on wind-cooling heat dissipating in the prior art can not reach good radiating effect in the computing machine that miniaturization, heat are concentrated, therefore the utility model embodiment provides a kind of cooling system based on water-cooling, by the liquid that in the current loop of sealing, circulates, the dissipation of heat that heater produces is gone out, to improve heat dispersion, reach preferably radiating effect.
Below in conjunction with Figure of description, embodiment is described in detail to the utility model.
The cooling system structure synoptic diagram that Fig. 1 provides for the utility model embodiment.This cooling system comprises: liquid-cooling heat radiation sheet 101, water pump 102A, water pump 102B, liquid-cooling heat radiation row 103, this liquid-cooling heat radiation sheet 101 contacts with heat generating spot 1041 in the heater 104, this liquid-cooling heat radiation sheet 101, water pump 102A, water pump 102B and liquid-cooling heat radiation row 103 form the current loop of sealing by aqueduct 105 series connection.The power that water pump 102A and water pump 102B are used to the liquid carrying in the current loop Gong to circulate circulates liquid in this current loop.Liquid-cooling heat radiation sheet 101 is used for the heat importing of heat generating spot 1041 generations of heater 104 is circulated to the liquid of liquid-cooling heat radiation sheet 101 inside.Liquid-cooling heat radiation row 103 is used for circulating to liquid-cooling heat radiation and arranges dissipation of heat that the liquid of 103 inside carries to air.This heater 104 is specifically as follows the main frame of computing machine, and the heat generating spot 1041 in the heater 104 is specifically as follows the contour heat generating components of CPU, video card of computing machine.Cooling system shown in Figure 1 comprises that two water pumps as example describes, can certainly comprise the water pump more than three or three in cooling system.And, cooling system shown in Figure 1 comprises that a liquid-cooling heat radiation sheet describes as example in the cooling system, in actual applications, may have two or more heat generating spots in the heater, so the cooling system that the utility model embodiment provides also can comprise two or more liquid-cooling heat radiation sheets.When comprising two or more liquid-cooling heat radiation sheet, each liquid-cooling heat radiation sheet contacts with a heat generating spot in the heater at least.
In cooling system shown in Figure 1, as long as be connected in series liquid-cooling heat radiation sheet 101, water pump 102A, water pump 102B and liquid-cooling heat radiation row 103 by aqueduct 105, the current loop that forms sealing gets final product, and any two parts that the utility model embodiment does not limit among liquid-cooling heat radiation sheet 101, water pump 102A, water pump 102B, the liquid-cooling heat radiation row 103 must have direct annexation by aqueduct 105.Current loop in the cooling system shown in Figure 1 is directly to connect water pump 102A and water pump 102B with liquid-cooling heat radiation sheet 101 by aqueduct 105, water pump 102A is connected with water pump 102B and is directly connected liquid-cooling heat radiations rows 103 by aqueduct 105 and describe for example, and the current loop can also be structure as shown in Figure 2.The another kind of cooling system structure synoptic diagram that Fig. 2 provides for the utility model embodiment, the heater 104 at not shown heat generating spot 1041 places in the cooling system shown in Figure 2.In Fig. 2, directly be connected water pump 102A and liquid-cooling heat radiation row 103 with the liquid-cooling heat radiation sheet 101 of heat generating spot 1041 contacts by aqueduct 105, water pump 102A directly links to each other with water pump 102B again, and water pump 102B directly links to each other with liquid-cooling heat radiation row 103 again, thereby consists of the current loop of sealing.
Continuation describes as an example of Fig. 1 example, liquid-cooling heat radiation sheet 101, water pump 102A, water pump 102B and liquid-cooling heat radiation row 103 water inlet and the water delivering orifices that have respectively separately, when being connected in series by aqueduct 105, for two parts with direct connection relational, the water inlet of parts linked to each other by aqueduct with the water delivering orifice of another parts to be got final product.For example, in cooling system shown in Figure 1, the water inlet of liquid-cooling heat radiation sheet 101 directly links to each other by aqueduct 105 with the water delivering orifice of water pump 102A, similarly, the water inlet of water pump 102A directly links to each other with liquid-cooling heat radiation row 103 water delivering orifice, liquid-cooling heat radiation row 103 water inlet directly links to each other with the water delivering orifice of water pump 102B, and the water inlet of water pump 102B directly links to each other with the water delivering orifice of liquid-cooling heat radiation sheet 101.Thereby in cooling system shown in Figure 1, the liquid in the current loop circulates when circulating in a clockwise direction.
Cooling system as shown in Figure 1 is when work, and two water pumps are the power that the liquid carrying in the current loop Gong circulates, and the liquid in the current loop is circulated in the current loop.The heat that heat generating spot 1041 in the heater 104 produces is fed in the liquid in the liquid-cooling heat radiation sheet 101, and this heat is recycled again flowing liquid and is sent to liquid-cooling heat radiation row 103.The dissipation of heat that liquid-cooling heat radiation row 103 is used for the liquid that it is inner is gone out, also being about to circulate heat that the heat generating spot 1041 that carries to the liquid of self produces conducts in the air and distributes, distribute the liquid behind the heat and be recycled again and flow to liquid-cooling heat radiation sheet 101, continued as heat generating spot 1041 heat radiations.Concrete, the liquid in this current loop can be nonconducting distilled water, in order further to improve radiating effect, the liquid in this current loop also can be the liquid that distilled water mixes with water-cooled liquid.
In the utility model embodiment, can the different heat point in same heater on fixing liquid cooling heat radiator respectively, also can the heat generating spot in the different heat body on fixing liquid cooling heat radiator respectively, as shown in Figure 3.
The third cooling system structure synoptic diagram that Fig. 3 provides for the utility model embodiment, in Fig. 3, cooling system comprises liquid-cooling heat radiation sheet 101A, liquid-cooling heat radiation sheet 101B, water pump 102A, water pump 102B, liquid-cooling heat radiation row 103.Wherein, liquid-cooling heat radiation sheet 101A contacts with heat generating spot 1041A, liquid-cooling heat radiation sheet 101B contacts with heat generating spot 1041B, this heat generating spot 1041A and heat generating spot 1041B can be the different heat points that is arranged in same heater, also can be the different heat point that is arranged in the different heat body, the heater at not shown heat generating spot 1041A and heat generating spot 1041B place among Fig. 3.Liquid-cooling heat radiation sheet 101A, liquid-cooling heat radiation sheet 101B, water pump 102A, water pump 102B, liquid-cooling heat radiation row 103 equally also are connected in series by aqueduct 105, form the current loop of sealing, and be the power that the liquid carrying in the current loop Gong circulates by two water pumps, be embodied as heat generating spot 1041A and heat generating spot 1041B heat radiation.
Continuation describes as an example of Fig. 1 example.In order further to improve the radiating effect of cooling system, the liquid-cooling heat radiation sheet 101 that contacts with heat generating spot 1041 among the utility model embodiment contacts with heat generating spot 104 by heat-conducting silicone grease.Concrete, liquid-cooling heat radiation sheet 101 can stick on the heat generating spot 1041 by heat-conducting silicone grease, and can further be screwed on the heater 104, as shown in Figure 4.
The front elevation that is fixed on the liquid-cooling heat radiation sheet on the heat generating spot that Fig. 4 provides for the utility model embodiment, in Fig. 4, liquid-cooling heat radiation sheet 101 sticks on the heat generating spot 1041 by heat-conducting silicone grease 106, and is screwed on the heater 104.Adopt as the structure of Fig. 4 at heat generating spot 1041 fixedly during liquid cooling heat radiator 101, the heat that heat generating spot 1041 produces can be imported on the liquid in the liquid-cooling heat radiation sheet 101 faster by heat-conducting silicone grease 106, so can improve the radiating effect of cooling system.
In the utility model embodiment, in order further to improve the heat dispersion of cooling system, this cooling system can also comprise the reserve tank that is connected in the current loop.When cooling system comprised reserve tank, the structure of cooling system as shown in Figure 5.
The 4th kind of cooling system structure synoptic diagram that Fig. 5 provides for the utility model embodiment, the heater at not shown heat generating spot 1041 places among Fig. 5.In Fig. 5, cooling system is arranged 103 except comprising the liquid-cooling heat radiation sheet 101, water pump 102A, water pump 102B, the liquid-cooling heat radiation that are fixed on the heat generating spot 1041, also comprises reserve tank 107.At this moment, the current loop of sealing then is made of liquid-cooling heat radiation sheet 101, water pump 102A, water pump 102B, liquid-cooling heat radiation row 103 and reserve tank 107, concrete, liquid-cooling heat radiation sheet 101, water pump 102A, water pump 102B, liquid-cooling heat radiation row 103 and reserve tank 107 form the current loop of sealing by aqueduct 105 series connection.
Wherein, reserve tank 107 also comprises water filling port except comprising water inlet and water delivering orifice, can be by this water filling port filling liquid in the reserve tank, and the liquid of injection is the liquid that will circulate in the current loop.
In cooling system as shown in Figure 5, after having increased reserve tank 107 in the current loop, the liquid that circulates in the current loop is then more than such as Fig. 1 or cooling system shown in Figure 2, more liquid then can conduct more heat, so the cooling system that has increased behind the reserve tank 107 can further improve radiating effect.
Better, all right fixed radiator fin in reserve tank 107 outsides, as shown in Figure 6A.The outside that Fig. 6 A provides for the utility model embodiment is fixed with the stereographic map of the reserve tank of radiating fin, in Fig. 6 A, reserve tank 107 comprises water inlet 1071, water delivering orifice 1072, water filling port 1073, also comprise several radiating fins 1074, radiating fin 1074 is fixed on the outside of reserve tank 107, is used for increasing the outside surface of reserve tank 107 and the contact area of air.
The outside surface of reserve tank 107 and the contact area of air have been increased owing to be fixed on the radiating fin 1074 in reserve tank 107 outsides, inboard heat conduction fin 1075 has increased the contact area of the liquid of the inside surface of reserve tank 107 and reserve tank 107 inside, therefore can accelerate dissipation of heat that the liquid of reserve tank 107 inside carries to airborne speed, and then improve radiating effect.
In the utility model embodiment, for in the volume that does not increase liquid-cooling heat radiation row 103, increase the outside surface of heat radiation comb among the liquid-cooling heat radiation row 103 and the contact area of air, heat dispersion with further raising liquid-cooling heat radiation row 103, liquid-cooling heat radiation row 103 among the utility model embodiment comprises S shape heat radiation comb, also be that liquid-cooling heat radiation row 103 is made of S shape heat radiation comb, as shown in Figure 7.The liquid-cooling heat radiation row's who is consisted of by S shape heat radiation comb that Fig. 7 provides for the utility model embodiment perspective view, an end of S shape heat radiation comb is liquid-cooling heat radiation row 103 water inlet 1031, the other end is liquid-cooling heat radiation row 103 water delivering orifice 1032.When the liquid in the current loop flows in liquid-cooling heat radiation row 103 S shape heat radiation comb, because the outside surface of S shape heat radiation comb and the contact area of air are larger, therefore can accelerate the dissipation of heat that liquid carries in the S shape heat radiation comb and arrive airborne speed, thereby can improve liquid-cooling heat radiation row 103 heat dispersion.
For the further outside face of S shape heat radiation comb and the contact area of air of increasing, with further raising liquid-cooling heat radiation row's 103 heat dispersion, can also be in the outside fixed radiator fin of S shape heat radiation comb, as shown in Figure 8.The outside that Fig. 8 provides for the utility model embodiment is fixed with one section S shape heat radiation comb synoptic diagram of radiating fin, in Fig. 8, part shown in the shade is the fixing a plurality of radiating fins in the outside of S shape heat radiation comb, is used for increasing the outside surface of S shape heat radiation comb and the contact area of air.
In addition, can also be on based on the liquid-cooling heat radiation row who is consisted of by S shape heat radiation comb as shown in Figure 8 fan attachment, the S shape heat radiation comb ambient air of arranging for liquid-cooling heat radiation by fan provides kinetic energy, accelerate flowing of S shape heat radiation comb ambient air, with further raising liquid-cooling heat radiation row's heat dispersion.
The utility model embodiment provides a kind of cooling system, this cooling system comprises at least one liquid-cooling heat radiation sheet, at least two water pumps, liquid-cooling heat radiations row, each liquid-cooling heat radiation sheet contacts with a heat generating spot in the heater at least, this at least one liquid-cooling heat radiation sheet, at least two water pumps and liquid-cooling heat radiation row connect by aqueduct, form the current loop of sealing, be the power that the liquid carrying in the current loop Gong circulates by these at least two water pumps, liquid is circulated in the current loop.Because the thermal conductivity of liquid is better than the thermal conductivity of air, therefore by the liquid in the current loop dissipation of heat that the heat generating spot in the heater produces is gone out, can improve heat dispersion.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (9)
1. a cooling system is characterized in that, comprising:
At least one liquid-cooling heat radiation sheet, at least two water pumps, and liquid-cooling heat radiation row, wherein, each liquid-cooling heat radiation sheet contacts with a heat generating spot in the heater;
Described at least one liquid-cooling heat radiation sheet, at least two water pumps and liquid-cooling heat radiation row form the current loop of sealing by the aqueduct series connection;
Described at least two water pumps, the power that is used to the liquid carrying in the described current loop Gong to circulate circulates described liquid in described current loop;
Described at least one liquid-cooling heat radiation sheet, the heat importing that produces for the heat generating spot with heater circulates to the liquid of described liquid-cooling heat radiation sheet inside;
Described liquid-cooling heat radiation row is used for circulating the dissipation of heat that carries to the inner liquid of described liquid-cooling heat radiation row to air.
2. cooling system as claimed in claim 1 is characterized in that, described liquid-cooling heat radiation sheet contacts with heat generating spot in the heater by heat-conducting silicone grease, and is screwed on the described heater.
3. cooling system as claimed in claim 1 is characterized in that, described cooling system also comprises:
Be connected on the reserve tank in the described current loop.
4. cooling system as claimed in claim 3 is characterized in that, the described reserve tank outside is fixed with radiating fin.
5. cooling system as claimed in claim 3 is characterized in that, described reserve tank inboard is fixed with the heat conduction fin.
6. cooling system as claimed in claim 1 is characterized in that, the liquid in the described current loop specifically comprises:
Distilled water; Perhaps
The liquid that distilled water mixes with water-cooled liquid.
7. cooling system as claimed in claim 1 is characterized in that, described liquid-cooling heat radiation package is drawn together:
S shape heat radiation comb.
8. cooling system as claimed in claim 7 is characterized in that, the described S shape heat radiation comb outside is fixed with radiating fin.
9. cooling system as claimed in claim 7 is characterized in that, is fixed with fan on the described liquid-cooling heat radiation row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220302719 CN202720557U (en) | 2012-06-25 | 2012-06-25 | Heat dissipation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220302719 CN202720557U (en) | 2012-06-25 | 2012-06-25 | Heat dissipation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202720557U true CN202720557U (en) | 2013-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220302719 Expired - Lifetime CN202720557U (en) | 2012-06-25 | 2012-06-25 | Heat dissipation system |
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| CN (1) | CN202720557U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105072872A (en) * | 2015-08-08 | 2015-11-18 | 衢州昀睿工业设计有限公司 | Heat dissipation system for power device |
| CN106155241A (en) * | 2015-04-03 | 2016-11-23 | 深圳市万景华科技有限公司 | Heat abstractor |
| CN106200845A (en) * | 2016-08-31 | 2016-12-07 | 张鋆 | A kind of desktop cpu chiller |
| CN106774746A (en) * | 2016-12-28 | 2017-05-31 | 曙光信息产业(北京)有限公司 | For the liquid cooling system module and graphics workstation of graphics workstation |
| CN107317902A (en) * | 2017-08-11 | 2017-11-03 | 广东工业大学 | A kind of mobile terminal heat sink |
| CN107969093A (en) * | 2017-08-24 | 2018-04-27 | 常州信息职业技术学院 | Radiator |
| CN110113918A (en) * | 2019-04-30 | 2019-08-09 | 易事特新能源(昆山)有限公司 | A kind of direct current UPS discharge protector |
| CN110260264A (en) * | 2019-07-25 | 2019-09-20 | 商洛市虎之翼科技有限公司 | A kind of liquid-cooling heat radiation car light |
-
2012
- 2012-06-25 CN CN 201220302719 patent/CN202720557U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106155241A (en) * | 2015-04-03 | 2016-11-23 | 深圳市万景华科技有限公司 | Heat abstractor |
| CN105072872A (en) * | 2015-08-08 | 2015-11-18 | 衢州昀睿工业设计有限公司 | Heat dissipation system for power device |
| CN106200845A (en) * | 2016-08-31 | 2016-12-07 | 张鋆 | A kind of desktop cpu chiller |
| CN106774746A (en) * | 2016-12-28 | 2017-05-31 | 曙光信息产业(北京)有限公司 | For the liquid cooling system module and graphics workstation of graphics workstation |
| CN107317902A (en) * | 2017-08-11 | 2017-11-03 | 广东工业大学 | A kind of mobile terminal heat sink |
| CN107969093A (en) * | 2017-08-24 | 2018-04-27 | 常州信息职业技术学院 | Radiator |
| CN107969093B (en) * | 2017-08-24 | 2019-10-29 | 常州信息职业技术学院 | Radiator |
| CN110113918A (en) * | 2019-04-30 | 2019-08-09 | 易事特新能源(昆山)有限公司 | A kind of direct current UPS discharge protector |
| CN110260264A (en) * | 2019-07-25 | 2019-09-20 | 商洛市虎之翼科技有限公司 | A kind of liquid-cooling heat radiation car light |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing Bo Han Information Technology Co.,Ltd. Assignor: BEIJING SUPER DIGITAL TV TECHNOLOGY CO.,LTD. Contract record no.: 2017110000011 Denomination of utility model: Diagnosis method for heat radiation system Granted publication date: 20130206 License type: Common License Record date: 20170628 Assignee: Nanjing Yun Yao super Mdt InfoTech Ltd. Assignor: BEIJING SUPER DIGITAL TV TECHNOLOGY CO.,LTD. Contract record no.: 2017110000012 Denomination of utility model: Diagnosis method for heat radiation system Granted publication date: 20130206 License type: Common License Record date: 20170628 |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 213017 No.2, Hongyang Road, Tianning District, Changzhou City, Jiangsu Province Patentee after: Jiangsu shiboyun Information Technology Co.,Ltd. Address before: 100085, Beijing, Haidian District, 5 East Road, Beijing, Mongolia hi tech building, block B, 2 Patentee before: BEIJING SUPER DIGITAL TV TECHNOLOGY Co.,Ltd. |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing shiboyun Information Technology Co.,Ltd. Assignor: Jiangsu shiboyun Information Technology Co.,Ltd. Contract record no.: X2021110000011 Denomination of utility model: A cooling system Granted publication date: 20130206 License type: Common License Record date: 20210323 |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130206 |