CN107566966A - A kind of loudspeaker auxiliary radiating device and method - Google Patents
A kind of loudspeaker auxiliary radiating device and method Download PDFInfo
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- CN107566966A CN107566966A CN201710817313.XA CN201710817313A CN107566966A CN 107566966 A CN107566966 A CN 107566966A CN 201710817313 A CN201710817313 A CN 201710817313A CN 107566966 A CN107566966 A CN 107566966A
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Abstract
The invention discloses a kind of loudspeaker auxiliary radiating device and method, including cabinet, board of the configuration in cabinet, the euthermic chip on board and liquid-cooling heat radiation mechanism, top cover is configured with cabinet, the liquid-cooling heat radiation mechanism forms closed-loop path and part by pipeline and is bonded with cabinet inwall, one end of the closed-loop path is in contact with euthermic chip, the other end is configured with dynamical element, the dynamical element is loudspeaker of the configuration in cabinet, the vibrating diaphragm with loudspeaker position correspondence and seal closure loop, and coolant is filled with pipeline.A kind of loudspeaker auxiliary radiating device and method compared with prior art, by the use of the sound that loudspeaker are sent as vibratory drive source, without extra vibratory drive mechanism, it is not only simple in structure, occupies little space, and does not increase complete machine power, it is practical, it is applied widely, it is easy to spread.
Description
Technical field
The present invention relates to field of computer technology, especially specifically a kind of practical, loudspeaker auxiliary radiating device and
Method.
Background technology
In computer system, the radiating mode of heater element mainly has two kinds at present：Passive radiating and active heat removal.Passively
Radiating refers to the active heat radiating device applied in system without the external world, mainly by conducting, radiating and the mode such as free convection is realized
Heater element makees heat exchange and reaches radiating purpose with surrounding air；Active heat removal refers to have the extraneous active applied to dissipate in system
Thermal, heater element is radiated by active heat radiating device.Passive radiating is environment temperature is higher, air is more dry
Radiating efficiency is relatively low under dry, narrow space or the extreme condition such as calm, can not meet the radiating requirements of high-power heater element；It is main
Dynamic radiating is presently mainly that increase cross-ventilation is forced to heater element by fan, reaches the mesh to be radiated as early as possible to heater element
, but operating efficiency or damage are easily reduced because of bearing wear during fan use for a long time, so that temperature of heating elements is continuous
Rise and damage.
In addition, situation as often occurring in computer systems：Certain cooling measure is taken to heater element
Afterwards, its operating temperature is still within its resistance to temperature value critical point or resistance to temperature value, and it is basic now to rely solely on passive heat dissipating method
Radiating requirements can not be met, and be additionally further added by active heat radiating device such as fan etc., can not only increase complete machine power, and usually
Because system space, structure limit, corresponding device can not be further added by.Although also there is the active heat removal dress in addition to fan at present
Put, such as vibration radiating, but it needs vibratory drive source, it is not only complicated, reliability is low, and add complete machine power.
Based on above-mentioned present situation, be badly in need of it is a kind of occupy little space, heat dissipation technology simple in construction and not increasing complete machine power.
The content of the invention
The technical assignment of the present invention is to be directed to above weak point, there is provided a kind of practical, loudspeaker auxiliary radiating device
And method.
A kind of loudspeaker auxiliary radiating device, including cabinet, board of the configuration in cabinet, the heat generating core on board
Piece and liquid-cooling heat radiation mechanism, top cover is configured with cabinet, and the liquid-cooling heat radiation mechanism passes through pipeline and forms closed-loop path and part
It is bonded with cabinet inwall, one end of the closed-loop path is in contact with euthermic chip, and the other end is configured with dynamical element, the power
Element is loudspeaker of the configuration in cabinet, the vibrating diaphragm with loudspeaker position correspondence and seal closure loop, is filled in pipeline
There is coolant.
The closed-loop path both ends that the liquid-cooling heat radiation mechanism is formed are respectively Liang Ge airtight chamber, one of airtight chamber
It is in contact by hollow groups of fins Cheng Bingyu euthermic chips, inlet and liquid outlet is offered in the airtight chamber；It is another close
Closed chamber room is made up of liquid reserve tank, and the bottom of the liquid reserve tank is sealed by above-mentioned vibrating diaphragm, and partition is configured with the middle part of liquid reserve tank,
Liquid reserve tank is separated into two chambers up and down by partition, and upside is return passage, and downside is fluid reservoir, is configured with partition by flowing back
The check valve A that room turns on to fluid reservoir, the return passage, fluid reservoir go out liquid by what pipeline connected another airtight chamber respectively
Mouth, inlet.
The position of the liquid outlet is higher than the position of inlet.
Pipeline between the fluid reservoir and the inlet of another airtight chamber is feed tube, is configured with and leads on the feed tube
To the check valve B of inlet；Pipeline between return passage and the liquid outlet of another airtight chamber is return duct, is matched somebody with somebody on the return duct
It is equipped with the check valve C for being oriented to return passage.
The Liang Ge airtight chamber at liquid-cooling heat radiation mechanism both ends is rectangular-shape airtight chamber, and two airtight chamber
Top is in close contact with cabinet top cover.
The coolant is nonconducting deionized water, glycol water or oil.
A kind of loudspeaker auxiliary radiating method, based on said apparatus, its implementation process is,
Coolant is filled in fluid reservoir first, and certain air is left in return passage；
Sound is sent by loudspeaker, makes vibrating diaphragm occur to vibrate and elastic deformation, at this moment check valve A, check valve B, check valve C
Conducting, coolant is set to start self-loopa flowing in whole loop；
When coolant enters the airtight chamber of contact heating chip, the heat of euthermic chip is taken away, and flows back into return passage, is led to
Continue circulation cooling after crossing return passage cooling.
When loudspeaker send sound, sound transmission causes vibrating diaphragm to vibrate at vibrating diaphragm, and vibration makes vibrating diaphragm
Elastic deformation is produced, when elastic deformation caused by vibrating diaphragm compresses fluid reservoir, the pressure increase of coolant, single in fluid reservoir
Closed to valve A, the liquid in fluid reservoir flows to feed tube, causes pressure of the check valve B close to liquid reserve tank side to be more than close to another
The pressure of one airtight chamber side, conducting valve B are opened, and coolant flows into the airtight chamber made of hollow fin along feed tube
Interior, the coolant of inflow increases the pressure of the airtight chamber, and coolant flows to return duct, causes check valve C to be dissipated close to hollow
The pressure of airtight chamber side made of backing is more than the pressure close to liquid reserve tank side, causes check valve C to open, coolant edge
Return duct flows into return passage, the liquid compression air flowed into return passage, increases the pressure in return passage, until and fluid reservoir
Interior pressure is equal, and system reaches poised state.
When the sound that loudspeaker are sent makes elastic deformation caused by vibrating diaphragm expand fluid reservoir, the pressure in fluid reservoir subtracts
Small, check valve A is opened, and check valve B is closed, the liquid inflow fluid reservoir in return passage, and the pressure in return passage reduces, return duct
Interior liquid flows into return passage, causes check valve C closed less than being made close to hollow fin close to the pressure of liquid reserve tank side
The pressure of chamber side, check valve C are opened, and the liquid made of hollow fin in airtight chamber is flowed into along return duct and flowed back
Room, fluid pressure in airtight chamber is caused made of hollow fin to reduce, the liquid in feed tube flows into hollow fin system
Into airtight chamber, make check valve B close to airtight chamber side made of hollow fin pressure reduce, until and fluid reservoir
Interior pressure is equal, and system reaches poised state.
When loudspeaker make vibrating diaphragm elastic deformation cause coolant to circulate, the radiation processes of euthermic chip are：Hair
The binding face of airtight chamber and euthermic chip made of heat along hollow fin caused by hot chip is transmitted to hollow fin
In manufactured airtight chamber, and then it is transmitted to the temperature for making coolant in the coolant made of hollow fin in airtight chamber
Degree rise；The higher liquid of closed chamber indoor temperature made of hollow fin flows into return passage, euthermic chip production along return duct
Raw heat is pulled away, while the relatively low liquid of liquid storage indoor temperature flows into airtight chamber made of hollow fin along feed tube
It is interior, radiating and cooling is carried out to euthermic chip, it is empty by liquid reserve tank and top cover and surrounding to flow into the higher liquid of backflow indoor temperature
Heat is lost in air by conduction, convection current and radiation between gas, is made the temperature of coolant reduce, is then flowed back to liquid storage again
Room, repetitive cycling radiating.
A kind of loudspeaker auxiliary radiating device and method of the present invention, has advantages below：
A kind of loudspeaker auxiliary radiating device and method of the present invention, is that a kind of computer heating element operating temperature is in resistance to temperature value
Auxiliary heat dissipation technology on critical point or resistance to temperature value, by the use of the sound that loudspeaker are sent as vibratory drive source, without extra
Vibratory drive mechanism, it is not only simple in structure, occupies little space, and does not increase complete machine power；Overcome traditional active heat removal wind
The shortcomings of long-play reliability is low, noise is big is fanned, there is the characteristics of reliability is high, muting function is good, it is practical, it is applicable
It is in extensive range, it is easy to spread.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Accompanying drawing 1 is apparatus structure schematic diagram of the invention.
Fluid reservoir schematic diagram is compressed when accompanying drawing 2 is the loudspeaker elasticity elastic deformation of the present invention.
Fluid reservoir schematic diagram is extended when accompanying drawing 3 is the loudspeaker elasticity elastic deformation of the present invention.
Accompanying drawing 4 circulates schematic diagram for the coolant of the present invention.
Mark in accompanying drawing represents respectively：
1st, top cover, 2, cabinet, 3, liquid reserve tank, 4, partition, 5, check valve A, 6, loudspeaker, 7, vibrating diaphragm, 8, feed tube, 9, unidirectional
Valve B, 10, check valve C, 11, return duct, 12, board, 13, hollow fin, 14, euthermic chip, 15, return passage, 16, liquid storage
Room.
Embodiment
In order that those skilled in the art more fully understand the solution of the present invention, with reference to embodiment to this
Invention is described in further detail.Obviously, described embodiment is only part of the embodiment of the present invention, rather than all
Embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art institute under the premise of creative work is not made
The every other embodiment obtained, belongs to the scope of protection of the invention.
It is an object of the invention to overcome the radiating mode present situation of above-mentioned technical background Computer heater element, there is provided one
Kind occupies little space, area of computer aided heat dissipating method simple in construction and not increasing complete machine power.
As shown in Figure 1, a kind of loudspeaker auxiliary radiating device, including cabinet 2, board of the configuration in cabinet 2, be arranged on
Euthermic chip 14 and liquid-cooling heat radiation mechanism on board, top cover 1 are configured with cabinet 2, the liquid-cooling heat radiation mechanism passes through pipeline
Form closed-loop path and part to be bonded with the inwall of cabinet 2, one end of the closed-loop path is in contact with euthermic chip 14, and the other end is matched somebody with somebody
Dynamical element is equipped with, the dynamical element is loudspeaker 6 and loudspeaker 6 position correspondence and seal closure loop of the configuration in cabinet 2
Vibrating diaphragm 7, coolant is filled with pipeline.
The closed-loop path both ends that the liquid-cooling heat radiation mechanism is formed are respectively Liang Ge airtight chamber, one of airtight chamber
It is made up of hollow fin 13 and is in contact with euthermic chip 14, inlet and liquid outlet is offered in the airtight chamber；Separately
One airtight chamber is made up of liquid reserve tank 3, and the bottom of the liquid reserve tank 3 is sealed by above-mentioned vibrating diaphragm 7, is matched somebody with somebody at the middle part of liquid reserve tank 3
Be equipped with partition 4, liquid reserve tank 3 is separated into two chambers up and down by partition 4, and upside is return passage 15, and downside is fluid reservoir 16, every
The check valve A5 turned on from return passage 15 to fluid reservoir 16 is configured with piece 4, the return passage 15, fluid reservoir 16 pass through pipe respectively
Road connects liquid outlet, the inlet of another airtight chamber.
The position of the liquid outlet is higher than the position of inlet.
Pipeline between the fluid reservoir 16 and the inlet of another airtight chamber is feed tube 8, is configured on the feed tube 8
There is the check valve B9 for being oriented to inlet；Pipeline between return passage 15 and the liquid outlet of another airtight chamber is return duct 11, should
The check valve C10 for being oriented to return passage 15 is configured with return duct 11.
The Liang Ge airtight chamber at liquid-cooling heat radiation mechanism both ends is rectangular-shape airtight chamber, and two airtight chamber
Top is in close contact with cabinet top cover 1.
The coolant is nonconducting deionized water, glycol water or oil.
A kind of loudspeaker auxiliary radiating method, based on said apparatus, as shown in figure 1, the installation loudspeaker 6 in computer cabinet 2,
Certain buffer unit is configured between loudspeaker 6 and cabinet 2, spring as shown in drawings, is pacified at a certain distance from the surface of loudspeaker 6
High resiliency vibrating diaphragm 7 is filled, vibrating diaphragm 7 and the liquid reserve tank 3 being fixed on top cover 1 form airtight cavity, be provided with check valve
Airtight cavity is divided into fluid reservoir 16 and return passage 15 by A5 partition 4.Wherein, the lower section of partition 4 and vibrating diaphragm 7 and liquid storage
Case 3 surround jointly for fluid reservoir 16, the top of partition 4, with liquid reserve tank 3 surround jointly for return passage 15.Fluid reservoir 16 is with entering
Liquid pipe 8 is connected, and check valve B9 is provided with feed tube 8, the other end of feed tube 8 is connected with hollow fin 13, hollow radiating
Piece 13 is fixed on board 12, and the lower surface and the upper surface of euthermic chip 14 on board 12 of hollow fin 13 fit, empty
The upper surface of heart fin 13 fits with top cover 1.Meanwhile hollow fin 13 is connected in by return duct 11 and the phase of return passage 15
Together, check valve C10 is installed on return duct 11.Vibrating diaphragm 7, liquid reserve tank 3, feed tube 8, check valve B9, hollow radiating
Piece 13, return duct 11 and check valve C10 have collectively constituted the closed system of whole heat abstractor, before whole system is started working,
Fill certain coolant with system first, and certain air is left in return passage 15.
When loudspeaker 6 send sound, sound transmission can cause the vibration of vibrating diaphragm 7 at vibrating diaphragm 7, and vibration makes to shake
Dynamic diaphragm 7 produces elastic deformation, when elastic deformation caused by vibrating diaphragm 7 compresses fluid reservoir 16, as shown in Fig. 2 fluid reservoir
The pressure increase of liquid, check valve A5 are closed in 16, and the liquid in fluid reservoir 16 flows to feed tube 8, causes check valve B9 close
The pressure of the side of liquid reserve tank 3 is more than the pressure close to the hollow side of fin 13, and check valve B9 is opened, and coolant is along feed tube 8
Flow into hollow fin 13, the liquid of inflow increases the pressure in hollow fin 13, the liquid in hollow fin 13
Return duct 11 is flowed to, causes pressure of the check valve C10 close to the hollow side of fin 13 to be more than the pressure close to the side of liquid reserve tank 3
Power, check valve C10 is caused to open, liquid flows into return passage 15 along return duct 11, the liquid compression air flowed into return passage 15,
Increase the pressure in return passage 15, until equal with the pressure in fluid reservoir 16, system reaches poised state.
When elastic deformation expansion fluid reservoir 16 caused by the sound that loudspeaker 6 are sent makes vibrating diaphragm 7, as shown in figure 3, storage
Pressure in liquid room 16 reduces, and check valve A5 is opened, and check valve B9 is closed, and the liquid in return passage 15 flows into fluid reservoir 16, returns
Pressure in flow chamber 15 reduces, and the liquid in return duct 11 flows into return passage 15, causes check valve C10 close to the side of liquid reserve tank 3
Pressure be less than pressure close to the hollow side of fin 13, check valve C10 is opened, and the liquid in hollow fin 13 is along backflow
Pipe 11 flows into return passage 15, causes fluid pressure in hollow fin 13 to reduce, the liquid in feed tube 8 flows into hollow fin
13, reduce pressure of the check valve B9 close to the hollow side of fin 13, until equal with the pressure in fluid reservoir 16, system reaches
To poised state.
The sound sent by above-mentioned loudspeaker 6 makes vibrating diaphragm 7 produce elastic deformation constantly compression and extension fluid reservoir 16,
Coolant is set ceaselessly to be circulated in whole system, its flow direction is as shown in Figure 4.
It is as follows to the radiating of euthermic chip 14 based on above-mentioned principle, the present invention：When euthermic chip 14 produces heat,
Binding face of the heat along hollow fin 13 and euthermic chip 14 is transmitted on hollow fin 13, and then is transmitted to hollow radiating
In coolant in piece 13, raise the temperature of coolant.The sound that now loudspeaker 6 are sent makes vibrating diaphragm 7 produce elastic change
Shape constantly compression and expansion fluid reservoir 16, make the liquid in whole system ceaselessly circulate, temperature in hollow fin 13
Higher liquid flows into return passage 15 along return duct 11, and heat caused by euthermic chip 14 is pulled away, while warm in fluid reservoir 16
Spend relatively low liquid to flow into hollow fin 13 along feed tube 8, radiating and cooling is carried out to euthermic chip 14, flows into return passage 15
Heat is lost to by the higher liquid of interior temperature by the conduction between liquid reserve tank 3 and top cover 1 and surrounding air, convection current and radiation
In air, make the temperature of coolant reduce, then flow back to fluid reservoir 16 again, repeat said process.By liquid in whole system
Interior circulates, and heat caused by euthermic chip 14 is successfully taken away and is lost in air, has reached radiating purpose.
Above-mentioned embodiment is only the specific case of the present invention, and scope of patent protection of the invention includes but is not limited to
Above-mentioned embodiment, any a kind of loudspeaker auxiliary radiating device for meeting the present invention and method claims and appoints
The appropriate change or replacement that the those of ordinary skill of what technical field is done to it, it should all fall into the patent protection of the present invention
Scope.
Claims (10)
1. a kind of loudspeaker auxiliary radiating device, it is characterised in that including cabinet, the board configured in cabinet, installed in board
On euthermic chip and liquid-cooling heat radiation mechanism, top cover is configured with cabinet, the liquid-cooling heat radiation mechanism passes through pipeline and forms closure
Loop and part be bonded with cabinet inwall, one end of the closed-loop path is in contact with euthermic chip, the dynamic member of other end configuration
Part, the dynamical element are loudspeaker and the vibrating diaphragm in loudspeaker position correspondence and seal closure loop of the configuration in cabinet,
Coolant is filled with pipeline.
2. a kind of loudspeaker auxiliary radiating device according to claim 1, it is characterised in that the liquid-cooling heat radiation mechanism is formed
Closed-loop path both ends be respectively Liang Ge airtight chamber, one of airtight chamber is by hollow groups of fins Cheng Bingyu euthermic chips
It is in contact, inlet and liquid outlet is offered in the airtight chamber；Another airtight chamber is made up of liquid reserve tank, the liquid reserve tank
Bottom is sealed by above-mentioned vibrating diaphragm, and partition is configured with the middle part of liquid reserve tank, and liquid reserve tank is separated into two chambers up and down by partition
Room, upside are return passage, and downside is fluid reservoir, and the check valve A turned on from return passage to fluid reservoir is configured with partition, described
Return passage, fluid reservoir connect liquid outlet, the inlet of another airtight chamber by pipeline respectively.
3. a kind of loudspeaker auxiliary radiating device according to claim 2, it is characterised in that the position of the liquid outlet is higher than
The position of inlet.
A kind of 4. loudspeaker auxiliary radiating device according to claim 2, it is characterised in that the fluid reservoir with it is another closed
Pipeline between the inlet of chamber is feed tube, and the check valve B for being oriented to inlet is configured with the feed tube；Return passage with it is another
Pipeline between the liquid outlet of one airtight chamber is return duct, and the check valve C for being oriented to return passage is configured with the return duct.
A kind of 5. loudspeaker auxiliary radiating device according to claim 2, it is characterised in that liquid-cooling heat radiation mechanism both ends
Liang Ge airtight chamber be rectangular-shape airtight chamber, and the top of two airtight chamber is in close contact with cabinet top cover.
6. according to a kind of any described loudspeaker auxiliary radiating devices of claim 1-5, it is characterised in that the coolant is not
Conductive deionized water, glycol water or oil.
A kind of 7. loudspeaker auxiliary radiating method, it is characterised in that based on the loudspeaker auxiliary radiating device described in claim 1-6,
Its implementation process is,
Coolant is filled in fluid reservoir first, and certain air is left in return passage；
Sound is sent by loudspeaker, makes vibrating diaphragm occur to vibrate and elastic deformation, at this moment check valve A, check valve B, check valve C
Conducting, coolant is set to start self-loopa flowing in whole loop；
When coolant enters the airtight chamber of contact heating chip, the heat of euthermic chip is taken away, and flows back into return passage, is led to
Continue circulation cooling after crossing return passage cooling.
A kind of 8. loudspeaker auxiliary radiating method according to claim 7, it is characterised in that when loudspeaker send sound, sound
Sound, which is traveled at vibrating diaphragm, causes vibrating diaphragm to vibrate, and vibration makes vibrating diaphragm produce elastic deformation, when vibrating diaphragm produces
Elastic deformation compression fluid reservoir when, the pressure increase of coolant, check valve A are closed in fluid reservoir, the liquid flow in fluid reservoir
To feed tube, pressure of the check valve B close to liquid reserve tank side is caused to be more than the pressure close to another airtight chamber side, conducting valve
B is opened, and coolant is flowed into by airtight chamber, the coolant of inflow makes the airtight chamber made of hollow fin along feed tube
Pressure increase, coolant flows to return duct, causes check valve C close to the pressure of airtight chamber side made of hollow fin
More than the pressure close to liquid reserve tank side, check valve C is caused to open, coolant flows into return passage along return duct, flows into return passage
Interior liquid compression air, increase the pressure in return passage, until equal with the pressure in fluid reservoir, system reaches equilibrium-like
State.
9. a kind of loudspeaker auxiliary radiating method according to claim 7 or 8, it is characterised in that when the sound that loudspeaker are sent
When making elastic deformation expansion fluid reservoir caused by vibrating diaphragm, the pressure in fluid reservoir reduces, and check valve A is opened, and check valve B is closed
Close, the liquid inflow fluid reservoir in return passage, the pressure in return passage reduces, and the liquid in return duct flows into return passage, causes
Pressure of the check valve C close to liquid reserve tank side is less than the pressure that airtight chamber side is made close to hollow fin, and check valve C is beaten
Open, the liquid made of hollow fin in airtight chamber flows into return passage along return duct, causes close made of hollow fin
Closed chamber indoor liquid pressure reduces, and airtight chamber made of the hollow fin of liquid inflow in feed tube, makes check valve B close
The pressure of airtight chamber side made of hollow fin reduces, until equal with the pressure in fluid reservoir, system reaches balance
State.
10. a kind of loudspeaker auxiliary radiating method according to claim 9, it is characterised in that when loudspeaker make vibrating diaphragm bullet
Property deformation when causing the coolant to circulate, the radiation processes of euthermic chip are：Heat caused by euthermic chip is along hollow radiating
The binding face of airtight chamber made of piece and euthermic chip is transmitted to made of hollow fin in airtight chamber, and then is transmitted to
In coolant made of hollow fin in airtight chamber, raise the temperature of coolant；It is closed made of hollow fin
The higher liquid of chamber indoor temperature flows into return passage along return duct, and heat caused by euthermic chip is pulled away, while in fluid reservoir
The relatively low liquid of temperature is flowed into made of hollow fin in airtight chamber along feed tube, and radiating and cooling is carried out to euthermic chip,
The higher liquid of backflow indoor temperature is flowed into by the conduction between liquid reserve tank and top cover and surrounding air, convection current and is radiated heat
Amount is lost in air, makes the temperature of coolant reduce, and then flows back to fluid reservoir, repetitive cycling radiating again.
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| CN201710817313.XA CN107566966B (en) | 2017-09-12 | 2017-09-12 | A kind of loudspeaker auxiliary radiating device and method |
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| CN201710817313.XA CN107566966B (en) | 2017-09-12 | 2017-09-12 | A kind of loudspeaker auxiliary radiating device and method |
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| CN109560668A (en) * | 2019-01-23 | 2019-04-02 | 宁波菲仕电机技术有限公司 | A kind of fluid-cooled electrical machine shell and fluid-cooled electrical machine |
| CN110475184A (en) * | 2019-07-23 | 2019-11-19 | 瑞声科技(新加坡)有限公司 | Sounding device and mobile terminal |
| WO2021026989A1 (en) * | 2019-08-14 | 2021-02-18 | 瑞声声学科技(深圳)有限公司 | Sound production device and mobile terminal |
| CN112527067A (en) * | 2020-12-21 | 2021-03-19 | 刘良仓 | Water-cooled machine case with protection mechanism |
| WO2021134661A1 (en) * | 2019-12-31 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Loudspeaker device |
| CN113709609A (en) * | 2021-09-15 | 2021-11-26 | 国光电器股份有限公司 | Sound box |
| CN114151323A (en) * | 2021-12-07 | 2022-03-08 | 冯超超 | Heat radiation structure of diaphragm pump |
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| CN110475184A (en) * | 2019-07-23 | 2019-11-19 | 瑞声科技(新加坡)有限公司 | Sounding device and mobile terminal |
| CN110475184B (en) * | 2019-07-23 | 2021-02-26 | 瑞声科技(新加坡)有限公司 | Sound production device and mobile terminal |
| WO2021026989A1 (en) * | 2019-08-14 | 2021-02-18 | 瑞声声学科技(深圳)有限公司 | Sound production device and mobile terminal |
| WO2021134661A1 (en) * | 2019-12-31 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Loudspeaker device |
| CN112527067A (en) * | 2020-12-21 | 2021-03-19 | 刘良仓 | Water-cooled machine case with protection mechanism |
| CN113709609A (en) * | 2021-09-15 | 2021-11-26 | 国光电器股份有限公司 | Sound box |
| CN113709609B (en) * | 2021-09-15 | 2024-07-09 | 国光电器股份有限公司 | Sound box |
| CN114151323A (en) * | 2021-12-07 | 2022-03-08 | 冯超超 | Heat radiation structure of diaphragm pump |
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| CN107566966B (en) | 2019-08-02 |
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Address after: 250100, No. 2877, fairway, Sun Town, Ji'nan hi tech Zone, Shandong Patentee after: SHANDONG CHAOYUE CNC ELECTRONICS Co.,Ltd. Address before: 250100, No. 2877, fairway, Sun Town, Ji'nan hi tech Zone, Shandong Patentee before: SHANDONG CHAOYUE NUMERICAL CONTROL ELECTRONIC Co.,Ltd. |