CN220733303U - Heat abstractor for be used for VR head-mounted device - Google Patents
Heat abstractor for be used for VR head-mounted device Download PDFInfo
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- CN220733303U CN220733303U CN202322249003.6U CN202322249003U CN220733303U CN 220733303 U CN220733303 U CN 220733303U CN 202322249003 U CN202322249003 U CN 202322249003U CN 220733303 U CN220733303 U CN 220733303U
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 92
- 238000010438 heat treatment Methods 0.000 claims description 41
- 239000000110 cooling liquid Substances 0.000 claims description 23
- 239000012530 fluid Substances 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 14
- 239000004744 fabric Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims 2
- 230000005855 radiation Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 230000020169 heat generation Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The present disclosure relates to heat dissipation devices, and particularly to a heat dissipation device for VR headset. A heat abstractor for VR head-mounted device, includes the casing, set up in the face standing groove body of casing rear side, set up in main heat abstractor in the casing, set up in power control on the main heat abstractor generates heat the device, and be type set up in auxiliary heat abstractor of power control both sides that generate heat the device. The utility model aims to provide a heat dissipation device for VR head-mounted equipment, which is more efficient, more comfortable and low in noise.
Description
Technical Field
The present utility model relates to a heat dissipating device, and more particularly, to a heat dissipating device for VR headset.
Background
The head-mounted VR device is a brand new technology in modern display technology, and because the head-mounted VR device can be attached to the head of people, the head-mounted VR device is not easy to fall off, and the use of people is facilitated.
When a user uses the head-mounted VR device, the head-mounted VR device can emit heat, and the head of the user is tightly attached to the head of the user, so that the heat dissipation is poor, the user feel very stuffy after wearing the head-mounted VR device, even sweats, and the experience of the user is affected, at the moment, the user can take off the head-mounted VR device and continue to use the head-mounted VR device after waiting for a period of time, and the head-mounted VR device is very inconvenient; the head-mounted VR device with the built-in heat dissipation device is usually air-cooled for heat dissipation, so that the noise is high, and the overall experience of a user is also affected.
Disclosure of Invention
In view of this, the present utility model provides a heat sink for VR headset. The purpose is to provide a more efficient, more comfortable, low noise heat dissipation device for VR head-mounted device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a heat abstractor for VR head-mounted equipment, includes the casing, opens in the face standing groove body of casing rear side, set up in main heat abstractor in the casing, set up in the power control heating device on the main heat abstractor, and be type and erect in the auxiliary heat abstractor of the both sides of power control heating device; the face placing groove body comprises a nose groove and lens components, the nose groove is formed in the center of the bottom of the rear side of the shell, and the lens components are symmetrically embedded in the rear side of the shell; the main heat dissipation device comprises a heat dissipation panel which is arranged on the inner wall of the shell in a shape of a Chinese character kou and a plurality of fluid channels which are arranged close to the surface of the heat dissipation panel; the power supply control heating device comprises a built-in heating device and a power supply control component which are adjacently arranged on the bottom surface of the heat dissipation panel; the auxiliary heat dissipation device comprises a first telescopic support and a second telescopic support which are symmetrically arranged on the bottom surface of the heat dissipation panel and are respectively adjacent to the power supply control assembly and the built-in heating device, a first collecting box arranged at the top end of the first telescopic support, a second collecting box arranged at the top end of the second telescopic support, a flow guide pipe which is respectively communicated with the first collecting box and the second collecting box in a penetrating way and is transversely arranged above the built-in heating device and the power supply control assembly, an air guide channel which is communicated with the upper part in the middle of the flow guide pipe and passes through the heat dissipation panel upwards to be in a funnel shape and is fixedly adsorbed on the top of the shell, and a mute micro air compressor which is arranged at the lower part of the air guide channel; the heat dissipation panel is provided with a heat dissipation surface, and is also provided with a temperature sensor which is arranged on the upper surface of the heat dissipation panel; the auxiliary heat dissipation device further comprises a first pressure sensor and a second pressure sensor, wherein the first pressure sensor is arranged at the top of the first telescopic support, and the second pressure sensor is arranged at the top of the second telescopic support.
Preferably, the honeycomb duct with all be equipped with negative pressure heat abstractor on the both ends inner wall of second collecting box intercommunication, negative pressure heat abstractor includes radiating portion, adiabatic portion, heated portion, capillary wick and working medium, radiating portion with heated portion by the adiabatic portion links to each other, radiating portion adiabatic portion with heated portion forms a dumbbell type airtight cavity, dumbbell type airtight cavity is by capillary wick fills and forms, the inside negative pressure that is of dumbbell type airtight cavity, working medium is volatile liquid.
Preferably, the fluid channel is an etched micro-scale micro-channel, and cooling liquid is injected into the fluid channel.
Preferably, the upper surface of the shell is provided with a flower-shaped adjusting vent hole corresponding to the air guide channel.
Preferably, the power supply control assembly is electrically connected with the flower-shaped adjusting vent hole, the lens assembly, the mute micro air compressor, the temperature sensor, the first pressure sensor, the second pressure sensor, the first telescopic support, the second telescopic support and the built-in heating device respectively.
Preferably, the first collection tank is located higher than the second collection tank.
Preferably, the back side of the shell and the nose placing groove are both provided with gaskets, and the gaskets are made of cool fabric.
Preferably, the lower part of the air guide channel and two corners of the honeycomb duct are made of PVC corrugated materials.
The beneficial effects of the utility model are as follows:
1. the utility model comprises a shell, a face placing groove body arranged at the rear side of the shell, a main heat radiating device arranged in the shell, a power supply control heating device arranged on the main heat radiating device and auxiliary heat radiating devices arranged at two sides of the power supply control heating device in mode, wherein the face placing groove body is arranged to provide comfortable fitting wearing space for a wearer, the main heat radiating device is arranged to provide a main heat radiating channel for the built-in heating device and other heating components, the power supply control heating device can enable VR headset to normally operate, and the auxiliary heat radiating devices can assist in cooling when the temperature in the VR headset is higher than a critical value; the face placing groove body comprises a nose placing groove arranged at the center part of the bottom of the rear side of the shell and lens components which are symmetrically embedded on the rear side of the shell, and the nose and eyes of a wearer can be quickly and accurately worn opposite to the nose placing groove and the lens components respectively; the main heat dissipation device comprises a heat dissipation panel which is arranged on the inner wall of the shell in a shape of a Chinese character kou and a plurality of fluid channels which are arranged close to the surface of the heat dissipation panel, the heat dissipation panel is arranged to increase the contact area between the built-in heat generation device in the VR head-mounted equipment and the heat dissipation panel, so that the built-in heat generation device in the VR head-mounted equipment can dissipate heat and cool more quickly; the power supply control heating device comprises a built-in heating device and a power supply control component, wherein the built-in heating device and the power supply control component are adjacently arranged on the bottom surface of the heat radiation panel, the built-in heating device and other components can be controlled by the power supply control component to enable the VR headset to normally operate, and the main heat radiation device and the auxiliary heat radiation device are controlled to rapidly and efficiently cool the built-in heating device in the operation process, so that a wearer feels more comfortable in the wearing process of the VR headset; the auxiliary heat dissipation device comprises a first telescopic strut and a second telescopic strut which are symmetrically arranged on the bottom surface of a heat dissipation panel and are respectively adjacent to a power supply control assembly and a built-in heating device, a first collecting box arranged at the top end of the first telescopic strut, a second collecting box arranged at the top end of the second telescopic strut, a flow guide pipe which is respectively communicated with the first collecting box and the second collecting box in a penetrating mode and is transversely erected above the built-in heating device and the power supply control assembly, an air guide channel which is communicated with the middle upper portion of the flow guide pipe and upwards penetrates through the heat dissipation panel to be fixedly adsorbed on the top of the shell, and a mute micro air compressor arranged on the lower portion of the air guide channel.
2. The utility model also comprises a temperature sensor which is arranged on the upper surface of the heat radiation panel, firstly, the temperature sensor can monitor the ambient temperature in the VR head-mounted equipment in operation in real time, and when the ambient temperature is higher than a set critical value, the value is transmitted to the power supply control component in the form of an electric signal, so that the power supply control component starts the auxiliary heat radiation device to assist in heat radiation and temperature reduction.
3. The auxiliary heat dissipation device further comprises a first pressure sensor and a second pressure sensor, wherein the first pressure sensor is arranged at the top of the first telescopic support, the second pressure sensor is arranged at the top of the second telescopic support, the first pressure sensor can monitor the weight of the first collecting box and cooling liquid in the first collecting box in real time, the second pressure sensor can monitor the weight of the second collecting box and cooling liquid in the second collecting box in real time, when the monitored value of the first pressure sensor reaches a set minimum critical value, namely, when the monitored value of the second pressure sensor reaches a set maximum critical value, the first pressure sensor and the second pressure sensor respectively transmit the value to the power supply control assembly in the form of electric signals, and the power supply control assembly respectively controls the shrinkage of the first telescopic support and the elongation of the second telescopic support until the second collecting box is in a high position and the first collecting box is changed into a low position, and the shrinkage of the first telescopic support is larger than or equal to the elongation of the second telescopic support.
4. The utility model discloses a negative pressure heat dissipation device which is arranged on inner walls at two ends of a honeycomb duct communicated with a first collecting box and a second collecting box, wherein the negative pressure heat dissipation device comprises a heat dissipation part, an adiabatic part, a heated part, a capillary liquid suction core and a working medium, the heat dissipation part is connected with the heated part through the adiabatic part, the heat dissipation part, the adiabatic part and the heated part form a dumbbell-shaped closed cavity, the dumbbell-shaped closed cavity is filled by the capillary liquid suction core, the inside of the dumbbell-shaped closed cavity is negative pressure, the working medium is volatile liquid, the working medium in the heated part of the negative pressure heat dissipation device is extremely easy to be heated under the negative pressure condition to become steam to enter the heat dissipation part, and the steam enters the heated part through the adiabatic part after being condensed by the heat dissipation part under the negative pressure state, so that heat dissipation and temperature reduction are reciprocally completed.
5. The fluid channel is an etched micron-sized micro-channel, and cooling liquid is filled in the fluid channel, so that the heating element arranged on the heat dissipation panel can rapidly dissipate heat and cool through the flowing of the cooling liquid in the fluid channel.
6. The upper surface of the shell is provided with the flower-shaped adjusting vent holes corresponding to the air guide channels, the mute micro air compressor can press air into the guide pipes through the air guide channels when the pressure inside the guide pipes needs to be changed, and in addition, the flower-shaped adjusting vent holes are normally closed, and the ventilation quantity of the flower-shaped adjusting vent holes can be adjusted through the power supply control assembly.
7. The power supply control assembly is respectively and electrically connected with the flower-shaped adjusting vent hole, the lens assembly, the mute micro air compressor, the temperature sensor, the first pressure sensor, the second pressure sensor, the first telescopic support column, the second telescopic support column and the built-in heating device, and the power supply control assembly is used for respectively controlling the flower-shaped adjusting vent hole, the lens assembly, the mute micro air compressor, the temperature sensor, the first pressure sensor, the second pressure sensor, the first telescopic support column, the second telescopic support column and the built-in heating device, so that the whole VR headset can normally operate and the internal environment can be rapidly cooled.
8. According to the utility model, the position of the first collecting box is higher than that of the second collecting box, the arrangement utilizes the acting force of the liquid level difference according to the siphon principle, after the liquid level difference is utilized to fully fill the flow guide pipe with the cooling liquid, the cooling liquid at the highest point in the flow guide pipe continuously flows from the first collecting box at a high position to the second collecting box at a low position through the flow guide pipe under the action of gravity, negative pressure is generated in the flow guide pipe, so that the cooling liquid in the first collecting box connected with the orifice of the high-position flow guide pipe is sucked into the highest point and continuously flows to the second collecting box connected with the orifice of the low-position flow guide pipe, and siphon heat dissipation is formed.
9. The back side of the shell and the nose placing groove are both provided with the gaskets, and the gaskets are made of cool fabric, so that a wearer can feel more comfortable in the wearing process of using the VR headset.
10. The lower part of the air guide channel and two corners of the guide pipe are made of PVC corrugated materials, and the arrangement can enable the guide pipe and the air guide channel to be synchronously and rapidly adjusted along with the first telescopic support and the second telescopic support when the first telescopic support and the second telescopic support are extended or contracted, and the guide pipe are not easy to damage.
Drawings
FIG. 1 is a schematic view (cross-sectional view) of the rear-view structure of the present utility model;
FIG. 2 is a rear view of the present utility model;
FIG. 3 is a top view of the present utility model;
FIG. 4 is an enlarged schematic view of the portion A of FIG. 1;
fig. 5 is an enlarged schematic view of the portion B in fig. 1.
Reference numerals: 1: a shell, 2: face placing groove body, 3, main heat abstractor, 4: power supply control heating device, 5: auxiliary heat abstractor, 6: nose groove, 7: lens assembly, 8: radiating panel, 9: fluid channel, 10: built-in heating device, 11: power control assembly, 12: first telescopic strut, 13: second telescopic strut, 14: first collecting box, 15: second collection box, 16: honeycomb duct, 17: air guide channel, 18: mute miniature air compressor, 19: temperature sensor, 20: first pressure sensor, 21, second pressure sensor, 22: negative pressure heat dissipation device, 23: heat dissipation portion, 24: insulation part, 25: heat receiving unit, 26: capillary wick, 27: working medium, 28: flower-shaped adjusting vent, 29: a liner.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the device comprises a shell, a face placing groove body arranged at the rear side of the shell, a main heat radiating device arranged in the shell, a power supply control heat generating device arranged on the main heat radiating device and auxiliary heat radiating devices arranged at two sides of the power supply control heat generating device in a mode, wherein the face placing groove body provides comfortable fitting wearing space for a wearer, the main heat radiating device provides a main heat radiating channel for the built-in heat generating device and other heat generating components, the power supply control heat generating device can enable VR headset equipment to normally operate, and the auxiliary heat radiating devices can perform auxiliary cooling when the temperature in the VR headset equipment is higher than a critical value; the face placing groove body comprises a nose placing groove arranged at the center part of the bottom of the rear side of the shell and lens components which are symmetrically embedded on the rear side of the shell, and the nose and eyes of a wearer can be quickly and accurately worn opposite to the nose placing groove and the lens components respectively; the main heat dissipation device comprises a heat dissipation panel which is arranged on the inner wall of the shell in a shape of a Chinese character kou and a plurality of fluid channels which are arranged close to the surface of the heat dissipation panel, the heat dissipation panel is arranged to increase the contact area between the built-in heat generation device in the VR head-mounted equipment and the heat dissipation panel, so that the built-in heat generation device in the VR head-mounted equipment can dissipate heat and cool more quickly; the power supply control heating device comprises a built-in heating device and a power supply control component, wherein the built-in heating device and the power supply control component are adjacently arranged on the bottom surface of the heat radiation panel, the built-in heating device and other components can be controlled by the power supply control component to enable the VR headset to normally operate, and the main heat radiation device and the auxiliary heat radiation device are controlled to rapidly and efficiently cool the built-in heating device in the operation process, so that a wearer feels more comfortable in the wearing process of the VR headset; the auxiliary heat dissipation device comprises a first telescopic strut and a second telescopic strut which are symmetrically arranged on the bottom surface of a heat dissipation panel and are respectively adjacent to a power supply control assembly and a built-in heating device, a first collecting box arranged at the top end of the first telescopic strut, a second collecting box arranged at the top end of the second telescopic strut, a flow guide pipe which is respectively communicated with the first collecting box and the second collecting box in a penetrating mode and is transversely erected above the built-in heating device and the power supply control assembly, an air guide channel which is communicated with the middle upper portion of the flow guide pipe and upwards penetrates through the heat dissipation panel to be fixedly adsorbed on the top of the shell, and a mute micro air compressor arranged on the lower portion of the air guide channel.
As shown in fig. 1, the power supply control device further includes a temperature sensor disposed on an upper surface of the heat dissipation panel, and the temperature sensor is capable of monitoring an ambient temperature in the VR headset in operation in real time, and transmitting a value to the power supply control component in the form of an electrical signal when the ambient temperature is higher than a set critical value, so that the power supply control component starts the auxiliary heat dissipation device to perform auxiliary heat dissipation and cooling.
As shown in fig. 1, the auxiliary heat dissipation device further includes a first pressure sensor and a second pressure sensor, the first pressure sensor is disposed at the top of the first telescopic strut, the second pressure sensor is disposed at the top of the second telescopic strut, the first pressure sensor is configured to monitor the weight of the first collecting tank and the cooling liquid therein in real time, the second pressure sensor is configured to monitor the weight of the second collecting tank and the cooling liquid therein in real time, when the monitored value of the first pressure sensor reaches a set minimum critical value, that is, when the monitored value of the second pressure sensor reaches a set maximum critical value, the first pressure sensor and the second pressure sensor respectively transmit the value to the power control component in the form of an electrical signal, and the power control component controls the first telescopic strut to shrink and the second telescopic strut to stretch until the second collecting tank is in a high position and the first collecting tank becomes a low position, wherein the shrinkage of the first telescopic strut is greater than or equal to the elongation of the second telescopic strut.
As shown in fig. 1 and 5, negative pressure heat dissipation devices are arranged on inner walls at two ends of the flow guide pipe, which are communicated with the first collecting box and the second collecting box, each negative pressure heat dissipation device comprises a heat dissipation part, an adiabatic part, a heated part, a capillary liquid suction core and a working medium, the heat dissipation part is connected with the heated part through the adiabatic part, the heat dissipation part, the adiabatic part and the heated part form a dumbbell-shaped closed cavity, the dumbbell-shaped closed cavity is filled by the capillary liquid suction core, the inside of the dumbbell-shaped closed cavity is negative pressure, the working medium is volatile liquid, the working medium in the heated part of the negative pressure heat dissipation device is extremely easy to be heated under the negative pressure condition to become steam to enter the heat dissipation part, and the steam enters the heated part through the adiabatic part after being condensed by the heat dissipation part under the negative pressure state, so that heat dissipation and cooling are reciprocally completed.
As shown in fig. 1 and fig. 4, the fluid channel is an etched micro-scale micro-channel, and cooling liquid is injected into the fluid channel, so that the heat-generating element arranged on the heat-dissipating panel can dissipate heat and cool rapidly through the flow of the cooling liquid in the fluid channel.
As shown in fig. 3, the upper surface of the shell is provided with a flower-shaped adjusting vent hole corresponding to the air guide channel, the mute micro air compressor can press air into the guide pipe through the air guide channel when the pressure inside the guide pipe needs to be changed, and in addition, the flower-shaped adjusting vent hole is in a normally closed arrangement, and the ventilation quantity of the flower-shaped adjusting vent hole can be adjusted through the power control assembly.
As shown in fig. 1, fig. 2 and fig. 3, the power control component is electrically connected with the flower-shaped adjusting vent hole, the lens component, the mute micro air compressor, the temperature sensor, the first pressure sensor, the second pressure sensor, the first telescopic support, the second telescopic support and the built-in heating device respectively, and the power control component is used for controlling the flower-shaped adjusting vent hole, the lens component, the mute micro air compressor, the temperature sensor, the first pressure sensor, the second pressure sensor, the first telescopic support, the second telescopic support and the built-in heating device respectively, so that the whole VR headset can normally operate and the internal environment can be cooled rapidly.
As shown in fig. 1, the position of the first collecting tank is higher than that of the second collecting tank, and this arrangement uses the action force of the liquid level difference according to the siphon principle, after the cooling liquid is filled in the guide pipe, the cooling liquid at the highest point in the guide pipe continuously flows from the first collecting tank at a high position to the second collecting tank at a low position through the guide pipe under the action of gravity through the guide pipe after the cooling liquid is filled in the guide pipe, and negative pressure is generated in the guide pipe, so that the cooling liquid in the first collecting tank connected with the high-position guide pipe orifice is sucked into the highest point and continuously flows to the second collecting tank connected with the low-position guide pipe orifice, and siphon heat dissipation is formed.
As shown in fig. 2 and 3, the back side of the housing and the nose-placing groove are both provided with a pad made of cool fabric, and the arrangement can make the wearer feel more comfortable in wearing the VR headset.
As shown in FIG. 1, the lower part of the air guide channel and two corners of the guide pipe are made of PVC corrugated materials, and the arrangement can enable the guide pipe and the air guide channel to be synchronously and rapidly adjusted along with the first telescopic support and the second telescopic support when the first telescopic support and the second telescopic support are extended or contracted, and the guide pipe and the second telescopic support are not easy to damage.
The specific operation principle is as follows:
when the VR head-mounted device is used, a wearer firstly needs to wear the face and the face placing groove relatively, then is connected with an external power supply, the whole device is controlled to start normally to operate through a power supply control assembly, after the VR head-mounted device operates for a period of time, a built-in heating device can generate certain heat to enable the ambient temperature in the VR head-mounted device to rise, meanwhile, a temperature sensor monitors the ambient temperature in the VR head-mounted device in real time, and when the value monitored by the temperature sensor is smaller than a critical value, heat is continuously radiated mainly through a heat radiation panel; when the value monitored by the temperature sensor is larger than the set critical value, the temperature sensor transmits the value to the power supply control component in the form of an electric signal, and the power supply control component starts the auxiliary heat dissipation device to conduct auxiliary heat dissipation, and the principle is that: according to siphon principle, after the liquid level difference is utilized to fill the flow guide pipe with the cooling liquid, the cooling liquid at the highest point in the flow guide pipe continuously flows from the first collecting box at high position to the second collecting box at low position under the action of gravity through the flow guide pipe, negative pressure is generated in the flow guide pipe, so that the cooling liquid in the first collecting box connected with the orifice of the high position flow guide pipe is sucked into the highest point and continuously flows to the second collecting box connected with the orifice of the low position flow guide pipe, siphon heat dissipation is formed, meanwhile, the negative pressure heat dissipation device can cool the flowing cooling liquid in real time, in addition, the first pressure sensor monitors the weight of the first collecting tank and cooling liquid in the first collecting tank in real time, the second pressure sensor monitors the weight of the second collecting tank and cooling liquid in the second collecting tank in real time, when the monitored value of the first pressure sensor reaches a set minimum critical value, namely the monitored value of the second pressure sensor reaches a set maximum critical value, the first pressure sensor and the second pressure sensor respectively transmit the values to the power supply control component in the form of electric signals, the power supply control component respectively controls the first telescopic support column to shrink and the second telescopic support column to stretch until the second collecting tank is in a high position and the first collecting tank is in a low position, wherein the shrinkage of the first telescopic support column is larger than or equal to the elongation of the second telescopic support column, and the first telescopic support column is reciprocated to assist in heat dissipation; when the value monitored by the temperature sensor is lower than the set critical value again, the temperature sensor transmits the value to the power control component in the form of an electric signal, and the power control component controls the auxiliary heat dissipation device to stop running gradually.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (8)
1. The heat dissipation device for the VR head-mounted equipment is characterized by comprising a shell, a face placing groove body, a main heat dissipation device, a power supply control heating device and an auxiliary heat dissipation device, wherein the face placing groove body is arranged on the rear side of the shell, the main heat dissipation device is arranged in the shell, the power supply control heating device is arranged on the main heat dissipation device, and the auxiliary heat dissipation device is -shaped and is erected on two sides of the power supply control heating device;
the face placing groove body comprises a nose groove and lens components, the nose groove is formed in the center of the bottom of the rear side of the shell, and the lens components are symmetrically embedded in the rear side of the shell;
the main heat dissipation device comprises a heat dissipation panel which is arranged on the inner wall of the shell in a shape of a Chinese character kou and a plurality of fluid channels which are arranged close to the surface of the heat dissipation panel;
the power supply control heating device comprises a built-in heating device and a power supply control component which are adjacently arranged on the bottom surface of the heat dissipation panel;
the auxiliary heat dissipation device comprises a first telescopic support and a second telescopic support which are symmetrically arranged on the bottom surface of the heat dissipation panel and are respectively adjacent to the power supply control assembly and the built-in heating device, a first collecting box arranged at the top end of the first telescopic support, a second collecting box arranged at the top end of the second telescopic support, a flow guide pipe which is respectively communicated with the first collecting box and the second collecting box in a penetrating way and is transversely arranged above the built-in heating device and the power supply control assembly, an air guide channel which is communicated with the upper part in the middle of the flow guide pipe and passes through the heat dissipation panel upwards to be in a funnel shape and is fixedly adsorbed on the top of the shell, and a mute micro air compressor which is arranged at the lower part of the air guide channel;
the heat dissipation panel is provided with a heat dissipation surface, and is also provided with a temperature sensor which is arranged on the upper surface of the heat dissipation panel;
the auxiliary heat dissipation device further comprises a first pressure sensor and a second pressure sensor, wherein the first pressure sensor is arranged at the top of the first telescopic support, and the second pressure sensor is arranged at the top of the second telescopic support.
2. The heat dissipation device for VR headset according to claim 1, wherein negative pressure heat dissipation devices are arranged on inner walls of two ends of the honeycomb duct, which are communicated with the first collecting box and the second collecting box, each negative pressure heat dissipation device comprises a heat dissipation part, a heat insulation part, a heat receiving part, a capillary liquid absorption core and a working medium, the heat dissipation part is connected with the heat receiving part through the heat insulation part, the heat dissipation part, the heat insulation part and the heat receiving part form a dumbbell-shaped closed cavity, the dumbbell-shaped closed cavity is filled by the capillary liquid absorption core, negative pressure is arranged inside the dumbbell-shaped closed cavity, and the working medium is volatile liquid.
3. The heat sink for a VR headset of claim 1, wherein the fluid channel is an etched micro-channel and the fluid channel is filled with a cooling liquid.
4. The heat dissipating device for a VR headset of claim 1, wherein the upper surface of the housing has a flower-shaped adjustment vent opening corresponding to the air guide channel.
5. The heat sink for a VR headset of claim 4, wherein the power control assembly is electrically connected to the flower-shaped adjustment vent, the lens assembly, the mute micro-air compressor, the temperature sensor, the first pressure sensor, the second pressure sensor, the first telescoping post, the second telescoping post, and the built-in heat generating device, respectively.
6. The heat sink for a VR headset of claim 1, wherein the first collection tank is located higher than the second collection tank.
7. The heat dissipation device for VR headset of claim 1, wherein the rear side of the housing and the nose-placing slot are both provided with pads made of cool fabric.
8. The heat dissipating device for a VR headset of claim 1, wherein the lower portion of the air guide channel and the two corners of the draft tube are each made of PVC corrugated material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322249003.6U CN220733303U (en) | 2023-08-21 | 2023-08-21 | Heat abstractor for be used for VR head-mounted device |
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