CN211908684U - Terminal capable of realizing thermoelectric generation - Google Patents
Terminal capable of realizing thermoelectric generation Download PDFInfo
- Publication number
- CN211908684U CN211908684U CN202020388492.7U CN202020388492U CN211908684U CN 211908684 U CN211908684 U CN 211908684U CN 202020388492 U CN202020388492 U CN 202020388492U CN 211908684 U CN211908684 U CN 211908684U
- Authority
- CN
- China
- Prior art keywords
- unit
- electrically connected
- circuit
- thermoelectric
- temperature detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a terminal capable of realizing thermoelectric generation, which comprises a shell, a main board, a battery, an auxiliary board, a thermoelectric generation module and a control module electrically connected with the thermoelectric generation module; the temperature difference power generation module is arranged between the main board and the shell; the main board is provided with a first temperature detection unit, the auxiliary board is provided with a second temperature detection unit, and the first temperature detection unit and the second temperature detection unit are both electrically connected with the control module; the control module comprises a processing unit, a first circuit unit and a second circuit unit, wherein the first circuit unit and the second circuit unit are electrically connected with the processing unit and are connected in parallel; the processing unit controls the connection or disconnection of the first circuit unit and the second circuit unit by reading and processing detection results of the first temperature detection unit and the second temperature detection unit.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a terminal technology field especially relates to a can realize terminal of thermoelectric generation.
[ background of the invention ]
With the development of the terminal towards portability and high performance, the integration level of the existing terminal, particularly the mobile terminal, is continuously improved, so that the terminal heating problem is increasingly prominent, the use experience of a user is seriously influenced, and meanwhile, the service life of the terminal can be shortened due to the existence of the heating problem. The existing cooling method is to conduct heat to the outside and avoid forming a heat source to be concentrated, however, the cooling speed of the terminal is slow. Secondly, the heat of the terminal is wasted, which is not beneficial to the reuse of energy. Therefore, in order to fully utilize the heat and improve the cruising ability of the terminal, people further invent a method for generating power through temperature difference to reduce the heat of the terminal and improve the energy utilization rate, however, the existing method for generating power through temperature difference of the terminal cannot be flexibly adjusted according to the heat change of a main board of the terminal, so that the problems of insufficient power generation amount when the terminal generates low heat or excessive power generation amount when the terminal generates excessive heat occur.
In view of the above, it is desirable to provide a terminal capable of generating power by temperature difference to overcome the above-mentioned drawbacks.
[ Utility model ] content
The utility model aims at providing a can realize thermoelectric generation's terminal aims at improving the terminal and generates heat when lower the not enough or excessive problem of generated energy when overheated of generated energy, adjusts the flow direction of thermoelectric generation's electric current in a flexible way among the current thermoelectric generation.
In order to achieve the above object, the present invention provides a terminal capable of generating power by using temperature difference, which comprises a housing having a receiving cavity, a main board, a battery, an auxiliary board, a temperature difference power generation module and a control module, wherein the main board and the battery are all received in the receiving cavity, the auxiliary board is arranged on one side of the battery, which is far away from the main board, and the control module is electrically connected with the temperature difference power generation module; the thermoelectric generation module is arranged between the mainboard and the shell; the main board is provided with a first temperature detection unit, the auxiliary board is provided with a second temperature detection unit, and the first temperature detection unit and the second temperature detection unit are both electrically connected with the control module; the control module comprises a processing unit, a first circuit unit and a second circuit unit which are electrically connected with the processing unit and connected in parallel, the first circuit unit is electrically connected with the mainboard, and the second circuit unit is electrically connected with the battery; the processing unit controls connection or disconnection of the first circuit unit and the second circuit unit by reading and processing detection results of the first temperature detection unit and the second temperature detection unit.
In a preferred embodiment, the thermoelectric generation module is connected to the main board through a heat conduction unit.
In a preferred embodiment, the first circuit unit includes a power supply circuit electrically connected to the main board and a first switch connected in series to the power supply circuit; the second circuit unit comprises a charging circuit electrically connected with the battery and a second switch connected in series with the charging circuit; the first switch is connected in parallel with the second switch.
In a preferred embodiment, the thermoelectric generation module comprises a plurality of thermoelectric semiconductor chips attached between the main board and the housing in parallel; the temperature difference semiconductor chip is connected with the control module in series.
In a preferred embodiment, the thermoelectric generation module further comprises a voltage stabilizing circuit; the temperature difference semiconductor chip is electrically connected with the control module after being connected with the voltage stabilizing circuit in parallel.
In a preferred embodiment, an anti-reverse diode unit is electrically connected between the thermoelectric generation module and the control module.
In a preferred embodiment, the battery is provided with a third temperature detection unit; the third temperature detection unit is electrically connected with the control module.
The utility model discloses a set up control module between thermoelectric generation module and mainboard or battery, control module controls the switching of first circuit unit and second circuit unit according to the temperature difference that first temperature detecting element and second temperature detecting element detected, the electric current of selecting thermoelectric generation module to provide is to the mainboard power supply or to battery charging, nimble regulation, among the thermoelectric generation process also with the electric current flow direction to the most suitable going under the prerequisite of cooling, thermal maximize utilization has been realized.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of a terminal capable of implementing thermoelectric power generation provided by the present invention;
fig. 2 is a schematic diagram of a control module of the terminal capable of implementing thermoelectric power generation shown in fig. 1.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantageous technical effects of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration only and not by way of limitation.
Please refer to fig. 1 and fig. 2, in an embodiment of the present invention, a terminal 100 capable of implementing thermoelectric power generation is provided, wherein the terminal may be a device with a battery such as a mobile phone, a tablet computer, a notebook computer, etc., or a device without a battery such as a desktop computer, and utilizes heat generated by thermoelectric power generation to generate power, so as to improve energy utilization ratio, and meanwhile, according to the law of conservation of energy, the temperature of the terminal is necessarily reduced, thereby achieving the purpose of cooling the terminal.
The terminal 100 capable of generating power by temperature difference comprises a housing 10 with a housing cavity 101, a main board 20, a battery 30 and a sub-board 40, wherein the main board 20, the battery 30 and the sub-board 40 are all housed in the housing cavity 101, specifically, the main board 20, the battery 30 and the sub-board 40 are housed in the housing 10, the main board 20 includes a processor of the terminal, such as a chip, and generates a large amount of heat during operation, the sub-board 40 can be other devices in the terminal, such as devices which remove the non-heat of the main board 20 and the battery 30, and the temperature is almost the same as that of the housing 10, and meanwhile, the heat generated by the main board 20 does not greatly influence the temperature of the sub-board 40, so that the temperature of the sub-board 40 can be approximately.
The terminal 100 capable of generating power by using temperature difference further includes a temperature difference power generation module 50 and a control module 60 electrically connected to the temperature difference power generation module 50. Wherein, thermoelectric generation module 50 locates between mainboard 20 and the shell 10, and one side is close to mainboard 20 and forms the hot source district, and the one side of carrying on the back mutually is close to shell 10 and forms the cold source district, carries out thermoelectric generation through the temperature difference on two sides. Specifically, the thermoelectric generation module 50 includes a plurality of thermoelectric semiconductor chips (not shown in the figure) connected in parallel, the thermoelectric semiconductor chips are manufactured according to the seebeck effect principle, voltage can be generated by using temperature difference, and the existing thermoelectric generation chips can be referred to in a specific structure. For example, a thermoelectric semiconductor chip with an area of 10mm by 10mm is laid on a mobile phone, and according to a parallel connection mode, the thermoelectric semiconductor chip can output a maximum voltage of 6V, a maximum current of 520mA and a maximum generated power of 3W under the condition that the temperature difference is 65 ℃. Further, the thermoelectric generation module 50 includes a generation circuit (not shown in the figure) for deriving a voltage generated by the thermoelectric effect and a conversion circuit (not shown in the figure) for converting the voltage of the generation circuit, so that the current provided by the thermoelectric generation module 50 is converted into a stable direct current. Preferably, the thermoelectric generation module 50 further includes a voltage stabilizing circuit (not shown in the figure) for stabilizing the voltage output of the thermoelectric generation module 50, and the thermoelectric semiconductor chip is electrically connected to the control module 60 after being connected in parallel with the voltage stabilizing circuit, so as to avoid unstable output voltage caused by temperature difference change due to changes of the motherboard 20 or ambient temperature. It should be noted that, the specific structures of the power generation circuit, the conversion circuit and the voltage stabilizing circuit can refer to the existing circuit structure, and the corresponding effects can be achieved, which is not limited herein.
Preferably, be connected through heat-conduction unit (not shown in the figure) between thermoelectric generation module 50 and the mainboard 20, heat-conduction unit can be including if heat-conducting glue etc. conduct the material of thermoelectric generation module 50 with the temperature of mainboard 20 fast, through filling heat-conducting glue in the space between thermoelectric generation module 50 and mainboard 20, corresponding improvement thermoelectric generation module 50 and the area of contact of mainboard 20, accelerated the efficiency of heat transfer, thereby the generating efficiency of thermoelectric generation module 50 has been promoted.
Further, in one embodiment, an anti-reverse diode unit (not shown) is electrically connected between the thermoelectric generation module 50 and the control module 60, and the anti-reverse diode unit includes at least one diode to prevent the current of the battery 30 from flowing back to the thermoelectric generation module 50 and causing damage.
The control module 60 includes a processing unit 61, and a first circuit unit (621,622) and a second circuit unit (631,632) both electrically connected to the processing unit 61 and connected in parallel, wherein the first circuit unit (621,622) is electrically connected to the motherboard 20, and the second circuit unit (631,632) is electrically connected to the battery 30.
Specifically, the processing unit 61 may be a processor on the motherboard 20, such as a Central Processing Unit (CPU) or the like, for controlling the whole control module 60 and the opening and closing of the thermoelectric generation module 50. The processing unit 61 is electrically connected with the mainboard 20 after being connected with the first circuit units (621,622) in series to supply power to the mainboard 20; the second circuit unit (631,632) is connected in series and then electrically connected with the battery 30 to charge the battery 30; the first circuit units (621,622) and the second circuit unit (631,632) are connected in parallel and are respectively and independently controlled by the processing unit 61.
Further, the first circuit unit (621,622) includes a power supply circuit 621 electrically connected to the main board 20 and a first switch 622 connected in series to the power supply circuit 621; the second circuit unit (631,632) includes a charging circuit 631 electrically connected to the battery 30 and a second switch 632 connected in series to the charging circuit 631; the first switch 622 is connected in parallel with the second switch 632.
The main board 20 is provided with a first temperature detection unit 21 for detecting the temperature of the heat source region of the main board 20; the sub-plate 40 is provided with a second temperature detection unit 41 for detecting the temperature of the sub-plate 40, which is equivalent to detecting the temperature of the external environment. The first Temperature detecting unit 21 and the second Temperature detecting unit 41 are electrically connected to the control module 60, and include Temperature sensors, which may be Positive Temperature Coefficient thermistors (PTC) and Negative Temperature Coefficient thermistors (NTC), and exhibit different resistance values at different temperatures, wherein the higher the Temperature of the PTC is, the higher the resistance value of the NTC is, the lower the resistance value of the NTC is, and thus the Temperature is detected by the change of the resistance of the Temperature sensors.
The processing unit 61 controls the connection or disconnection of the first circuit unit (621,622) and the second circuit unit (631,632) by reading and processing the detection results of the first temperature detection unit 21 and the second temperature detection unit 41.
Specifically, the processing unit 61 reads the detection results of the first temperature detection unit 21 and the second temperature detection unit 41, that is, the temperatures of the main board 20 and the sub-board 40, processes and calculates the temperature difference between the main board 20 and the sub-board 40 (approximately equivalent to the environment), and controls the connection or disconnection of the first circuit unit (621,622) and the second circuit unit (631,632) when the temperature difference is in different intervals, so as to switch the power supply circuit 621 and the charging circuit 631, and maximize the use of the heat at the terminal.
For example, when the temperature difference is less than 20 ℃, the CPU determines that the terminal is in a low-heat scene, at this time, the heat generated by the main board 20 is natural heat, at this time, the first switch 622 and the second switch 632 are turned off, and the thermoelectric generation module 50 is in an open circuit state, and does not output electric energy to the outside;
when the temperature difference is greater than 20 ℃ and the temperature difference is less than 45 ℃, the CPU judges that the terminal is in a medium heating scene, if the heat of the terminal is directly emitted, a human body easily senses heating and can damage components of the terminal, the temperature difference power generation module 50 needs to work to reduce the heat emission of the mobile phone, at this time, the first switch 622 is closed, the second switch 632 is opened, the temperature difference power generation module 50 generates medium electric quantity to supply power for the power supply circuit 621 of the mainboard 20, the power supply circuit is used for supplying power for the mainboard 20, and the temperature of the terminal is also reduced according to the law of energy conservation;
when the temperature difference is greater than 45 ℃, the CPU judges that the terminal is a high-heating scene, if the heat of the terminal is directly emitted at the moment, the human body can easily perceive that the terminal is heated, meanwhile, the damage to components of the terminal is large, the temperature difference power generation module 50 is needed to work, and the heat emission of the mobile phone is reduced. At this time, the first switch 622 is turned off, the second switch 632 is turned on, and the thermoelectric generation module 50 generates a large amount of power to supply power to the charging circuit 631 of the battery 30, so as to charge the battery 30 and rapidly cool the terminal.
Preferably, in an embodiment, the battery 30 is provided with a third temperature detecting unit 31 electrically connected to the control module 60, for monitoring the temperature of the battery 30, and when the temperature exceeds a preset threshold, the processing unit 61 turns off the second switch 632, so as to avoid the safety hazard caused by excessive heat generation of the battery 30.
To sum up, the utility model discloses a set up control module 60 between thermoelectric generation module 50 and mainboard 20 or battery 30, control module 60 controls the switching of first circuit unit (621,622) and second circuit unit (631,632) according to the difference in temperature that first temperature detecting element 21 and second temperature detecting element 41 detected, the electric current of selecting thermoelectric generation module 50 to provide is to mainboard 20 power supply or to charging to battery 30, nimble regulation, the thermoelectric generation in-process also flows to the most suitable whereabouts with the electric current under the prerequisite of cooling, thermal maximize utilization has been realized.
The invention is not limited solely to that described in the specification and the embodiments, and additional advantages and modifications will readily occur to those skilled in the art, and it is not intended to be limited to the specific details, representative apparatus, and illustrative examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.
Claims (7)
1. A terminal capable of realizing thermoelectric generation comprises a shell with a containing cavity, a main board, a battery and an auxiliary board, wherein the main board and the battery are contained in the containing cavity, the auxiliary board is arranged on one side, far away from the main board, of the battery, the terminal is characterized by further comprising a thermoelectric generation module and a control module electrically connected with the thermoelectric generation module; the thermoelectric generation module is arranged between the mainboard and the shell;
the main board is provided with a first temperature detection unit, the auxiliary board is provided with a second temperature detection unit, and the first temperature detection unit and the second temperature detection unit are both electrically connected with the control module; the control module comprises a processing unit, a first circuit unit and a second circuit unit which are electrically connected with the processing unit and connected in parallel, the first circuit unit is electrically connected with the mainboard, and the second circuit unit is electrically connected with the battery; the processing unit controls connection or disconnection of the first circuit unit and the second circuit unit by reading and processing detection results of the first temperature detection unit and the second temperature detection unit.
2. The thermoelectric power generation terminal as claimed in claim 1, wherein the thermoelectric power generation module is connected to the main board via a heat conduction unit.
3. The thermoelectric power generation terminal as claimed in claim 1, wherein the first circuit unit comprises a power supply circuit electrically connected to the main board and a first switch connected in series with the power supply circuit; the second circuit unit comprises a charging circuit electrically connected with the battery and a second switch connected in series with the charging circuit; the first switch is connected in parallel with the second switch.
4. The terminal capable of generating electricity through temperature difference according to claim 1, wherein the thermoelectric generation module comprises a plurality of thermoelectric semiconductor chips attached between the main board and the housing in parallel; the temperature difference semiconductor chip is connected with the control module in series.
5. The thermoelectric power generation terminal as recited in claim 4, wherein the thermoelectric power generation module further comprises a voltage stabilizing circuit; the temperature difference semiconductor chip is electrically connected with the control module after being connected with the voltage stabilizing circuit in parallel.
6. The thermoelectric power generation terminal as claimed in claim 5, wherein an anti-reverse diode unit is electrically connected between the thermoelectric power generation module and the control module.
7. The thermoelectric power generation terminal as recited in claim 1, wherein the battery is provided with a third temperature detection unit; the third temperature detection unit is electrically connected with the control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020388492.7U CN211908684U (en) | 2020-03-24 | 2020-03-24 | Terminal capable of realizing thermoelectric generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020388492.7U CN211908684U (en) | 2020-03-24 | 2020-03-24 | Terminal capable of realizing thermoelectric generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211908684U true CN211908684U (en) | 2020-11-10 |
Family
ID=73269999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020388492.7U Active CN211908684U (en) | 2020-03-24 | 2020-03-24 | Terminal capable of realizing thermoelectric generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211908684U (en) |
-
2020
- 2020-03-24 CN CN202020388492.7U patent/CN211908684U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1316140B1 (en) | Portable electronic device with enhanced battery life and cooling | |
| CN203398245U (en) | UPS (Uninterruptible Power Supply) intelligent thermal insulation circuit and device | |
| CN104638742A (en) | Wearable equipment and heat energy recycling method thereof | |
| CN205878674U (en) | Plate mat heats and generates electricity | |
| WO2014176980A1 (en) | Charging method, device and electronic device | |
| CN209626378U (en) | A kind of lithium ion battery device for recycling heat | |
| CN211908684U (en) | Terminal capable of realizing thermoelectric generation | |
| CN218102650U (en) | Temperature control circuit and charger | |
| CN104883095A (en) | Heat energy gathering device of wearable equipment | |
| JPS6113348B2 (en) | ||
| CN204013285U (en) | A kind of computer craze electrical switching device | |
| CN106708126A (en) | Charging temperature adjusting device and mobile terminal | |
| JP2008131803A (en) | Portable terminal device | |
| US11930625B2 (en) | Thermal management system and method for power optimization for cooling an electronic rack | |
| CN104124900A (en) | Thermoelectric conversion device of computer | |
| CN210112085U (en) | Intelligent temperature control mobile phone shell | |
| CN104597937A (en) | Electronic equipment with intelligent temperature regulation function | |
| CN110048188B (en) | Outdoor base station power supply thermal management system based on redundant power device | |
| CN111211382A (en) | System and method for improving low-temperature performance of common battery | |
| CN214896348U (en) | Temperature control feedback system based on USB | |
| CN106026328A (en) | Charging method and device for terminal and terminal | |
| CN217720759U (en) | Energy-saving circuit applied to charger | |
| CN217485573U (en) | Adjusting device for maintaining temperature of battery | |
| CN217590349U (en) | Electronic device | |
| CN218526105U (en) | High-low voltage output device based on energy storage device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |