CN110676921A - Electronic equipment and shell thereof - Google Patents
Electronic equipment and shell thereof Download PDFInfo
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- CN110676921A CN110676921A CN201911173101.8A CN201911173101A CN110676921A CN 110676921 A CN110676921 A CN 110676921A CN 201911173101 A CN201911173101 A CN 201911173101A CN 110676921 A CN110676921 A CN 110676921A
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- thermoelectric
- electronic device
- thermoelectric generation
- thermoelectric element
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/03—Covers
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The invention discloses an electronic device and a shell thereof, wherein the shell of the electronic device comprises a shell body (100) and a thermoelectric generation piece (200), the shell body (100) is provided with an accommodating space (110), and the thermoelectric generation piece (200) is arranged in the accommodating space (110); the hot junction of thermoelectric generation piece (200) is towards the one side at the outer wall place of shell body (100), the cold junction of thermoelectric generation piece (200) is towards the one side at the inner wall place of shell body (100), thermoelectric generation piece (200) with rechargeable battery electricity is connected. Above-mentioned scheme inlays the thermoelectric generation structure and establishes in electronic equipment's casing, has saved the inside structural design space of electronic equipment, has reduced the inside structural design degree of difficulty of electronic equipment, provides more sufficient installation space for electronic equipment's battery simultaneously, can install the battery of bigger body volume to reinforcing electronic equipment's duration.
Description
Technical Field
The embodiment of the invention relates to the technical field of electronic equipment, in particular to electronic equipment and a shell thereof.
Background
With the rapid development of science and technology, the performance of various electronic devices (such as mobile phones, tablet computers and the like) is continuously optimized, the functions are more and more perfect, but the poor cruising ability is still a prominent problem. At present, the battery technology is difficult to achieve breakthrough development, the endurance time of 36 hours is already the limit for most electronic devices, and in the case of frequent use, the battery can basically only meet the service time of about half a day. The electronic equipment needs to be frequently charged due to insufficient cruising ability, the experience of a user is further reduced, particularly, the user usually adopts a mobile power supply to charge under the outdoor condition, but the electric quantity of the mobile power supply is limited, and sufficient power supply is difficult to provide for the electronic equipment.
Based on this, in the prior art, a thermoelectric generation structure is installed inside the electronic device, the thermoelectric generation structure generates power by using heat absorbed by a housing of the electronic device, and the generated electric energy is charged into a battery for the electronic device to use. However, the thermoelectric generation structure in this technical scheme may occupy a large amount of internal spaces of the electronic device, which not only increases the difficulty of the internal structure design of the electronic device, but also occupies the installation space of the battery, and therefore the amount of the battery needs to be reduced, thereby reducing the electric energy capacity of the battery, which is contrary to the improvement of the cruising ability of the electronic device.
Disclosure of Invention
The embodiment of the invention provides a shell of electronic equipment, which aims to solve the problem that a thermoelectric generation structure occupies a large amount of space in the shell in the conventional electronic equipment with a thermoelectric generation function.
In order to solve the above problems, the present invention is realized by:
in a first aspect, an embodiment of the present invention provides a housing of an electronic device, where the electronic device includes a rechargeable battery, the housing includes a housing body and a thermoelectric generation piece, the housing body has an accommodation space, and the thermoelectric generation piece is disposed in the accommodation space; the hot junction of thermoelectric generation piece is towards one side at the outer wall place of shell body, the cold junction of thermoelectric generation piece is towards one side at the inner wall place of shell body, the thermoelectric generation piece with rechargeable battery electricity is connected.
In a second aspect, an embodiment of the present invention further provides an electronic device, where the disclosed electronic device includes the casing described above.
The technical scheme adopted by the invention can achieve the following beneficial effects:
in the embodiment of the invention, the thermoelectric power generation structure is arranged in the accommodating space of the shell body, so that the conversion from heat energy to electric energy can be realized by utilizing the temperature difference between the inside and the outside of the shell body of the electronic equipment, the generated electric energy is charged into the battery of the electronic equipment, the electric quantity of the electronic equipment is kept sufficient, the limitation that accessories need to be charged and a power supply needs to be connected during charging is overcome, and the experience of a user is optimized. Compared with the existing electronic equipment with the temperature difference charging function, the electronic equipment with the temperature difference charging function has the advantages that the temperature difference power generation structure is arranged in the inner cavity of the shell of the electronic equipment, the temperature difference power generation structure is embedded in the shell of the electronic equipment, the structural design space in the electronic equipment is saved, the structural design difficulty in the electronic equipment is reduced, meanwhile, more sufficient installation space is provided for the battery of the electronic equipment, a larger amount of battery can be installed, and the cruising ability of the electronic equipment is enhanced.
Meanwhile, other components do not need to be installed on the shell of the electronic equipment, and the thermoelectric generation structure has a larger installation coverage area on the shell, so that more thermoelectric pieces can be arranged, and the overall power generation efficiency of the thermoelectric generation structure is improved.
In the shell of the electronic equipment disclosed by the invention, the thermoelectric power generation structure is closer to a heat source outside the shell compared with the prior art, the temperature difference between the cold end and the hot end of the thermoelectric power generation structure is more obvious, and the thermoelectric power generation structure is more favorable for generating thermoelectric electromotive force, so that the thermoelectric power generation function of the shell of the electronic equipment disclosed by the invention has better operation stability.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic cross-sectional structural diagram of a housing of a first electronic device according to an embodiment of the disclosure;
fig. 2 is a top view of a housing of a first electronic device according to an embodiment of the disclosure;
fig. 3 is a schematic cross-sectional structural diagram of a housing of a second electronic device according to an embodiment of the disclosure;
fig. 4 is a bottom view of a housing of a second electronic device according to an embodiment of the disclosure;
FIG. 5 is a schematic view of a connection between a first thermoelectric element and a second thermoelectric element according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the disclosure.
Description of reference numerals:
100-shell body, 110-containing space,
200-thermoelectric generation piece, 210-first thermoelectric piece, 211-hole, 220-second thermoelectric piece, 221-electron, 230-conductor,
310-insulating layer, 320-heat conducting sheet, 330-heat absorbing layer,
410-current control component, 420-current conversion component.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 6, an embodiment of the invention discloses a housing of an electronic device. The electronic device includes a rechargeable battery as a power storage and supply member of the electronic device, and when the power of the rechargeable battery is insufficient, the rechargeable battery is usually charged by a charging accessory such as a USB data line external power supply, or by a thermoelectric generation piece 200 as described later.
The shell of the electronic device disclosed by the embodiment of the invention comprises a shell body 100 and a thermoelectric generation piece 200, wherein the shell of the electronic device is a basic component of the electronic device, provides a mounting base for other parts on the electronic device and comprises the thermoelectric generation piece 200. Wherein, the shell body 100 is a main body component of the shell, and the shell body 100 can provide an installation basis for the thermoelectric generation piece 200. In the embodiment of the present invention, the housing body 100 has the accommodating space 110, and the thermoelectric generation piece 200 is disposed in the accommodating space 110, in the embodiment of the present invention, the shape and size of the accommodating space 110 are not limited, for example, it may be adapted to the size of the thermoelectric generation piece 200, so that the stability of the thermoelectric generation piece 200 is better, and certainly, a gap may exist between the thermoelectric generation piece 200, and the thermoelectric generation piece 200 may be locally and fixedly supported.
The hot end of thermoelectric generation piece 200 is towards one side at the outer wall place of shell body 100, and the cold end of thermoelectric generation piece 200 is towards one side at the inner wall place of shell body 100. Wherein, the hot junction of thermoelectric generation piece 200 means that thermoelectric generation piece 200 is close to the one end that the temperature is relatively higher, correspondingly, the cold junction of thermoelectric generation piece 200 means that thermoelectric generation piece 200 is close to the one end that the temperature is relatively lower, and there is the temperature difference at the hot and cold both ends of thermoelectric generation piece 200, can produce the potential difference in thermoelectric generation piece 200 to form the electric current. The thermoelectric generation element 200 is electrically connected to the secondary battery so that the electric power in the thermoelectric generation element 200 can be supplied to the secondary battery.
It should be noted that the thermoelectric generation principle is based on the seebeck effect, and the heat energy is converted into the electric energy in the effect process. The seebeck effect, also called the first thermoelectric effect, refers to a thermoelectric phenomenon in which a voltage difference between two substances is caused by a temperature difference between two electric conductors or semiconductors of different materials. In a loop formed by two thermoelectric elements, if the temperatures at two ends of the thermoelectric elements are different, carriers in a conductor move from a hot end to a cold end under the temperature gradient and are accumulated at the cold end, so that a potential difference is formed inside the material, and a reverse charge flow is generated under the action of the potential difference, so that current is generated in the loop, and the direction of the corresponding electromotive force depends on the direction of the temperature gradient.
In a specific working process, when the electronic device needs to be charged, the electronic device can be placed in an environment with a higher temperature, for example, the electronic device is placed under the sun, or the temperature of the environment where the electronic device is located is changed by generating heat through rubbing the outer wall of the shell, so that a temperature difference exists between the inside and the outside of the shell of the electronic device, at the moment, carriers inside the thermoelectric generation piece 200 move from the hot end to the cold end and are accumulated at the cold end, so that a potential difference is formed inside the thermoelectric generation piece 200, and a current is generated.
Through the working process, the thermoelectric generation piece 200 is arranged in the accommodating space 110 of the shell body 100, so that the conversion from heat energy to electric energy can be realized by utilizing the temperature difference between the inside and the outside of the shell body of the electronic equipment, the generated electric energy is charged into the battery of the electronic equipment, the electric quantity of the electronic equipment is kept sufficient, the limitation that accessories need to be charged and the power supply needs to be connected during charging is overcome, and the experience of a user is optimized. Compared with the existing electronic equipment with the temperature difference charging function, the temperature difference power generation structure is arranged in the inner cavity of the electronic equipment, and occupies a large amount of internal structural design space.
Meanwhile, other components do not need to be installed on the shell of the electronic equipment, and the thermoelectric generation piece has a larger installation coverage area on the shell, so that more thermoelectric pieces can be arranged, and the overall power generation efficiency of the thermoelectric generation piece is improved.
Furthermore, the thermoelectric generation piece 200 generates power based on the seebeck effect, in the case of the electronic device disclosed in the present invention, the thermoelectric generation piece 200 is closer to a heat source outside the case than in the prior art, the temperature difference at the cold and hot ends of the thermoelectric generation piece 200 is more significant, and it is more favorable for generating the thermoelectric force in the thermoelectric generation piece 200, so that the thermoelectric generation function of the case of the electronic device disclosed in the present invention has better operation stability.
In the embodiment of the present invention, the thermoelectric generation sheet 200 includes the first thermoelectric element 210 and the second thermoelectric element 220, and the first thermoelectric element 210 and the second thermoelectric element 220 are alternately arranged at intervals, that is, the first thermoelectric element 210 and the second thermoelectric element 220 are sequentially arranged, and a gap is formed between the adjacent first thermoelectric element 210 and the adjacent second thermoelectric element 220, which is not in close contact with each other. Adjacent first thermoelectric element 210 and second thermoelectric element 220 may be connected in series, specifically, the head end or the tail end of first thermoelectric element 210 and second thermoelectric element 220 are respectively connected correspondingly, for example, the head end of first thermoelectric element 210 is connected to the head end of first second thermoelectric element 220, the tail end of first second thermoelectric element 220 is connected to the tail end of second first thermoelectric element 210, and so on. So arranged, the current can circulate in each thermoelectric element and finally be connected with the rechargeable battery to form a loop. It should be noted that, in the embodiment of the present invention, the first thermoelectric element 210 and the second thermoelectric element 220 are not limited to be in a plurality, and the first thermoelectric element 210 and the second thermoelectric element 220 may be in a series relationship, but may also be in a parallel relationship. Of course, the first thermoelectric element 210 and the second thermoelectric element 220 are connected in series, so that the structural design inside the electronic device is simpler, and the space utilization rate is higher.
In a specific operation process, the hot end of the first thermoelectric element 210 or the second thermoelectric element 220 is an end close to the outer wall of the casing body 100, and the concentration of carriers (generally, electrons) at the end is higher than that at the cold end of the first thermoelectric element 210 or the second thermoelectric element 220, i.e., an end close to the inner wall of the casing body 100, and the carriers diffuse from the hot end to the cold end under the driving of the concentration gradient, so that electromotive force and current are generated. An anode and a cathode are formed on the first thermoelectric element 210 positioned at the head position and the second thermoelectric element 220 positioned at the tail position, and then the first thermoelectric element and the second thermoelectric element are connected to the anode and the cathode of the charging power supply through the electric connecting device, so that the charging of the charging power supply can be realized.
Referring to fig. 1 and fig. 3, in order to improve the current transmission efficiency between thermoelectric elements in the thermoelectric generation sheet 200, in a preferred embodiment, adjacent first thermoelectric elements 210 and second thermoelectric elements 220 may be electrically connected through a conductor 230, specifically, the first ends or the tail ends of the first thermoelectric elements 210 and the second thermoelectric elements 220 are electrically connected through the conductor 230 to form an approximately "U" -shaped structure, and the first thermoelectric elements 210 and the second thermoelectric elements 220 may be in a parallel relationship or may not be parallel. In the embodiment of the present invention, the shape and specific material type of the electrical conductor 230 are not limited as long as the electrical connection between the first thermoelectric element 210 and the second thermoelectric element 220 can be ensured, for example, the electrical conductor 230 may be in a regular shape such as a sheet, a block, or a strip, or may be in an irregular shape; the conductor 230 may be a conductor, specifically, a metal conductor, aluminum, iron, copper, silver, or the like, or may be a semiconductor.
Of course, the electrical conductor 230 may not be provided between the adjacent first thermoelectric element 210 and the second thermoelectric element 220. The head ends or the tail ends of the first thermoelectric element 210 and the second thermoelectric element 220 can be mutually close to each other, inclined and connected together to form an approximate V-shaped structure, and the series connection of the first thermoelectric element 210 and the second thermoelectric element 220 can also be realized, and the transmission of the internal current of the thermoelectric elements can be realized in the same way.
The number of the first thermoelectric element 210 and the second thermoelectric element 220 may be set to be various, and the embodiment of the present invention does not limit it. If the first thermoelectric element 210 and the second thermoelectric element 220 are both one, they may be formed into an approximate "U" shape or "V" shape as will be understood from the above description. However, when the number of the first thermoelectric element 210 and the second thermoelectric element 220 in the thermoelectric generation sheet 200 is too small, the electromotive force generated inside the thermoelectric generation sheet is limited, and thus the charging efficiency is low, so that a plurality of the first thermoelectric elements 210 and the second thermoelectric elements 220 are generally arranged, and the thermoelectric elements are connected in series to collect the electromotive force of each thermoelectric element, thereby obtaining a large output power. Referring to fig. 5, if there are a plurality of first thermoelectric elements 210 and a plurality of second thermoelectric elements 220, and no conductor 230 is disposed between the adjacent first thermoelectric elements 210 and the adjacent second thermoelectric elements 220, the head ends or the tail ends of the first thermoelectric elements and the tail ends of the second thermoelectric elements are connected in an inclined manner, and the plurality of thermoelectric elements form an approximate W-shaped structure as described above. If the electrical conductor 230 is disposed between adjacent first thermoelectric elements 210 and second thermoelectric elements 220, in combination with the foregoing, the plurality of thermoelectric elements and the electrical conductor 230 may form a combined shape of a plurality of "U" s and inverted "U" s.
In order to make the thermoelectric generation performance of the thermoelectric generation piece 200 better because the thermoelectric electromotive force of the semiconductor is larger, in a preferred embodiment of the present invention, the first thermoelectric element 210 may be a P-type semiconductor element, and the second thermoelectric element 220 may be an N-type semiconductor element. Specifically, referring to fig. 6, under the action of thermal excitation, the hot end of the P-type semiconductor is close to the outer wall of the shell body 100, and the concentration of the cavities 211 (corresponding to positively charged particles) at the hot end is higher than that of the cold end of the P-type semiconductor, which is close to the inner wall of the shell body 100, so that the cavities 211 are diffused from the hot end to the cold end under the driving of the concentration gradient, thereby generating a thermoelectric force; the hot end of the N-type semiconductor member is close to one end of the outer wall of the case body 100, and the concentration of the electrons 221 at the hot end is higher than that of the cold end of the N-type semiconductor member, which is close to one end of the inner wall of the case body 100. According to the above, the P-type semiconductor and the N-type semiconductor form current due to the movement of charges, and the anode is formed on the first P-type semiconductor, the cathode is formed on the last N-type semiconductor, and the anode and the cathode are connected to the positive electrode and the negative electrode of the charging power supply through the electric connection device, so that the charging of the charging power supply can be realized.
In order to improve the performance of the thermoelectric generation sheet 200 and reduce the cost, in a preferred embodiment, the first thermoelectric element 210 and the second thermoelectric element 220 are conductive elements or semiconductor elements made of different materials, and in particular, the specific material types of the first thermoelectric element 210 and the second thermoelectric element 220 are not limited in the embodiment of the present invention as long as the two elements can realize the movement of carriers, for example, the first thermoelectric element 210 may be Bi2Te3The second thermoelectric element 220 is a PoTe-based thermoelectric element, or the first thermoelectric element 210 may be a PoTe-based thermoelectric element and the second thermoelectric element 220 is Bi2Te3Base thermoelectric materialAnd (3) a component. PoTe-based thermoelectric material and Bi2Te3The advantage of the thermoelectric material is that Bi is available on the market2Te3The base thermoelectric material and the PoTe-based thermoelectric material are more easily obtained than other base thermoelectric semiconductor materials by using bismuth, tellurium, selenium or the like as a raw material, and Bi is contained therein2Te3The electromotive force generated by the base thermoelectric material and the PoTe base thermoelectric material in the thermoelectric power generation process is relatively high, and the cost and the toxicity are relatively low. Of course, the embodiment of the present invention does not limit the specific material types of the first thermoelectric element 210 and the second thermoelectric element 220.
Referring to fig. 1 and fig. 2, in the embodiment of the present invention, a housing of a first electronic device is disclosed, an accommodating space 110 is located in a housing body 100, the accommodating space 110 is not communicated with the outside of the housing, and a thermoelectric generation piece 200 is installed in the accommodating space 110. Based on the structure, the hot end and the cold end of the thermoelectric generation piece 200 are both in contact with the accommodating space 110 on the inner wall surface of the shell body 100, in the embodiment of the invention, the contact mode is not limited as long as the shell body 100 and the hot end and the cold end of the thermoelectric generation piece 200 have good heat conduction effects. For example, the contact may be direct contact or indirect contact. If the thermoelectric generation element is in direct contact with the housing body 100, the hot end or the cold end of the thermoelectric generation element 200 may be directly attached to the inner wall surface of the housing body 100 in the accommodating space 110; if the thermoelectric generation element 200 is indirectly contacted, the hot end or the cold end of the thermoelectric generation element may be bonded to the inner wall surface of the housing body 100 through the heat conductive adhesive and the receiving space 110, or a gap space may be left for indirectly transferring heat through air.
Referring to fig. 3 and fig. 4, the embodiment of the present invention discloses a housing of a second electronic device, where the accommodating space 110 may penetrate through at least one of an outer wall and an inner wall of the housing body 100, specifically, the accommodating space 110 may only penetrate through the outer wall of the housing body 100, may only penetrate through the inner wall of the housing body 100, and may also penetrate through both the outer wall and the inner wall of the housing body 100, in this case, the accommodating space is a through hole penetrating through the housing body 100, which is not limited in the embodiment of the present invention. Based on this kind of structure, the hot junction and/or the cold junction of thermoelectric generation piece 200 can directly contact with the air, can realize thermoelectric generation function equally. Further, the hot end of the thermoelectric generation element 200 may extend to a position coplanar with the outer wall of the case body 100, or may extend to the outside of the case body 100; the cold end of the thermoelectric generation piece 200 may extend to a position coplanar with the inner wall of the case body 100, or may extend to the outside of the case body 100, which is not limited in the embodiments of the present invention, and certainly, the hot end and the cold end of the thermoelectric generation piece 200 are coplanar with the outer wall and the inner wall of the case body 100, respectively, which is beneficial to enhancing the aesthetic appearance of the case of the electronic device, and improving the gripping performance of the electronic device.
Based on safety considerations, in a preferable scheme of the embodiment of the invention, the insulating layer 310 may be coated outside the thermoelectric generation piece 200, specifically, since the thermoelectric generation piece 200 is charged during the thermoelectric generation process, especially in the aforementioned embodiment in which the thermoelectric generation piece 200 is coplanar with the outer wall of the case body 100, there is a certain risk of electric shock, and the insulating layer 310 may ensure safety of processing personnel and users. Further, the insulating layer 310 may preferably be a high thermal conductive insulating material, such as XK-F60, Kerafol U90, or a ceramic material, etc.
In order to improve the heat conduction efficiency of the hot end and the cold end of the thermoelectric generation sheet 200, in a preferred embodiment of the present invention, at least one of the hot end and the cold end of the thermoelectric generation sheet 200 may be provided with the heat conduction sheet 320, specifically, the hot end of the thermoelectric generation sheet 200 may be provided with the heat conduction sheet 320, the cold end of the thermoelectric generation sheet 200 may be provided with the heat conduction sheet 320, or both the hot end and the cold end of the thermoelectric generation sheet 200 may be provided with the heat conduction sheets 320. The heat conducting sheet 320 covers at least a part of the hot end or the cold end of the thermoelectric generation sheet 200, and specifically, the heat conducting sheet 320 is disposed on the end face of the hot end or the end face of the cold end of the thermoelectric generation sheet 200, and may cover a part of the end face or the whole end face. Meanwhile, the heat conducting sheet 320 may be made of various materials, which are not limited in the embodiment of the present invention, for example, the heat conducting sheet 320 may be a metal sheet with good heat conducting property, such as silver, copper, gold, aluminum, or the like, or may be a chemical material such as heat conducting silicone grease, heat conducting silicone adhesive, or the like. Because the shell of the electronic device generally has poor heat conduction performance, and in the scheme that the accommodating space 110 penetrates through the shell body 100, the thermoelectric generation sheet 200 is directly exposed in the air, so that the thermoelectric generation sheet 200 is easily damaged and cannot be effectively protected, and after the heat-conducting sheet 320 is arranged at the hot end or the cold end of the thermoelectric generation sheet 200, the temperature transfer between the thermoelectric generation sheet 200 and a heat source can be ensured, and the thermoelectric generation sheet 200 can be protected; further, the heat conductive sheet 320 may be coplanar with the outer wall and the inner wall of the case body 100, improving the aesthetic appearance of the case of the electronic device, and improving the grasping performance of the electronic device.
In order to further increase the temperature of the hot end of the thermoelectric generation piece 200 and expand the temperature difference between the hot end and the cold end, thereby improving the power generation efficiency of the thermoelectric generation piece 200, in a preferred embodiment of the present invention, the housing may further include a heat absorption layer 330, the heat absorption layer 330 is disposed on the outer wall of the housing body 100 and covers at least a portion of the thermoelectric generation piece 200, specifically, the heat absorption layer 330 may cover a portion of the hot end of the thermoelectric generation piece 200 or the entire end surface of the hot end thereof. In a specific working process, the heat absorbing layer 330 can absorb heat in air and transmit the heat to the hot end of the thermoelectric generation piece 200, so that the temperature difference between the hot end and the cold end is enlarged, the thermoelectric force is increased, and the power generation efficiency of the thermoelectric generation piece 200 is improved. The heat absorbing layer 330 may be made of various materials, such as a silicide nanoshell, a black chrome coating, an aluminum anodized coating, or the like, without limitation.
Referring to fig. 6, based on the housing of the electronic device disclosed in the embodiment of the present invention, the present invention further discloses an electronic device, and the disclosed electronic device includes the housing of the electronic device as described above, wherein the thermoelectric generation sheet 200 is electrically connected to the rechargeable battery, so as to charge the rechargeable battery, i.e. convert thermal energy into electrical energy. The thermoelectric generation piece 200 and the rechargeable battery may be electrically connected through a wire, and of course, the thermoelectric generation piece 200 and the rechargeable battery may be electrically connected through other electrical connection pieces, such as an electrical connection device, such as a cable, a terminal, or a plug. Specifically, because the thermoelectric force is formed in the thermoelectric generation piece 200, a current is formed inside the thermoelectric generation piece, an electrode is formed on the thermoelectric generation piece 200, a lead correspondingly connects the electrode formed on the thermoelectric generation piece 200 with the positive electrode and the negative electrode of the rechargeable battery, and the thermoelectric generation piece 200 and the rechargeable battery are in a loop, so that the current passes through the lead to charge the rechargeable battery.
Because the current generated by the thermoelectric generation piece 200 has a direct influence relation with the temperature difference between the hot end and the cold end, when the temperature difference changes, the formed thermoelectric electromotive force and the generated current change, and further the corresponding voltage cannot be kept constant, and the changed voltage and current impact the rechargeable battery, so that the service life of the battery is shortened.
Based on this, in a preferable embodiment of the present invention, at least one of the current control component 410 and the current conversion component 420 may be disposed on the wire, and the embodiment of the present invention does not limit the specific installation manner of the current control component 410 and the current conversion component 420, and only the current control component 410 may be installed on the wire, only the current conversion component 420 may be installed on the wire, or both the current control component 410 and the current conversion component 420 may be installed. Specifically, the current control component 410 may generally include a rectifying circuit and/or a voltage stabilizing circuit, wherein the rectifying circuit may rectify the varying current input by the wire and output a constant current; the voltage stabilizing circuit can stabilize the voltage output by the voltage stabilizing circuit within the chargeable voltage range of the rechargeable battery through control. The current conversion component 420 may also convert the varying current to a voltage within a chargeable range of the rechargeable battery.
The electronic device in the embodiment of the present invention may be a smart phone, a tablet computer, an electronic book reader, a wearable device, or other devices, and the embodiment of the present invention does not limit the specific type of the electronic device.
In the above embodiments of the present invention, the difference between the embodiments is mainly described, and different optimization features between the embodiments can be combined to form a better embodiment as long as they are not contradictory, and further description is omitted here in view of brevity of the text.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (11)
1. A case of an electronic device including a rechargeable battery, characterized in that the case includes a case body (100) and a thermoelectric generation chip (200), the case body (100) having an accommodation space (110), the thermoelectric generation chip (200) being disposed in the accommodation space (110); the hot junction of thermoelectric generation piece (200) is towards the one side at the outer wall place of shell body (100), the cold junction of thermoelectric generation piece (200) is towards the one side at the inner wall place of shell body (100), thermoelectric generation piece (200) with rechargeable battery electricity is connected.
2. The housing of the electronic device according to claim 1, wherein the thermoelectric generation sheet (200) comprises a first thermoelectric element (210) and a second thermoelectric element (220), the first thermoelectric element (210) and the second thermoelectric element (220) are alternately arranged, and the adjacent first thermoelectric element (210) and the adjacent second thermoelectric element (220) are connected in series.
3. The electronic device casing according to claim 2, wherein the first thermoelectric element (210) and the second thermoelectric element (220) are electrically connected to each other through an electrical conductor (230).
4. The electronic device housing according to claim 2, wherein the first thermoelectric element (210) is a P-type semiconductor element and the second thermoelectric element (220) is an N-type semiconductor element.
5. Housing for an electronic device according to claim 2-the body being characterized in that said first thermoelectric element (210) and said second thermoelectric element (220) are conductors or semiconductors made of different materials, said first thermoelectric element (210) being Bi2Te3The thermoelectric material piece is based on PoTe, the second thermoelectric piece (220) is based on PoTe, or the first thermoelectric piece (210) is based on PoTe, the second thermoelectric piece (220) is Bi2Te3A base thermoelectric material.
6. The electronic device case according to claim 1, wherein the accommodation space (110) penetrates at least one of an outer wall and an inner wall of the case body (100).
7. The case of the electronic device as claimed in claim 1, wherein the thermoelectric generation sheet (200) is externally coated with an insulating layer (310).
8. The housing of an electronic device according to claim 1, wherein a heat conducting sheet (320) is provided on at least one of the hot end and the cold end of the thermoelectric generation sheet (200), and the heat conducting sheet (320) covers at least a part of the hot end or the cold end of the thermoelectric generation sheet (200).
9. The casing of the electronic device according to any one of claims 1 to 8, wherein the casing comprises a heat absorbing layer (330), wherein the heat absorbing layer (330) is disposed on an outer wall of the casing body (100) and covers at least a portion of the thermoelectric generation sheet (200).
10. An electronic device, characterized in that it comprises a housing of an electronic device according to any one of claims 1-9.
11. The electronic device of claim 10, wherein the thermoelectric ignition chip (200) is electrically connected to the rechargeable battery via a wire, and at least one of a current control component (410) and a current conversion component (420) is disposed on the wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911173101.8A CN110676921A (en) | 2019-11-26 | 2019-11-26 | Electronic equipment and shell thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911173101.8A CN110676921A (en) | 2019-11-26 | 2019-11-26 | Electronic equipment and shell thereof |
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| Publication Number | Publication Date |
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| CN110676921A true CN110676921A (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911173101.8A Pending CN110676921A (en) | 2019-11-26 | 2019-11-26 | Electronic equipment and shell thereof |
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| Country | Link |
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| CN (1) | CN110676921A (en) |
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| CN111313526A (en) * | 2020-03-31 | 2020-06-19 | 北京小米移动软件有限公司 | Electronic device |
| CN113178644A (en) * | 2021-04-27 | 2021-07-27 | 阮林勇 | Battery for new energy automobile and performance detection device thereof |
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| CN107171426A (en) * | 2017-06-28 | 2017-09-15 | 上海传英信息技术有限公司 | A kind of TRT of intelligent terminal and the intelligent terminal with the TRT |
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| Publication number | Priority date | Publication date | Assignee | Title |
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