CN112578921A - Three-in-one multifunctional mouse pad - Google Patents
Three-in-one multifunctional mouse pad Download PDFInfo
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- CN112578921A CN112578921A CN202011443495.7A CN202011443495A CN112578921A CN 112578921 A CN112578921 A CN 112578921A CN 202011443495 A CN202011443495 A CN 202011443495A CN 112578921 A CN112578921 A CN 112578921A
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- 238000010438 heat treatment Methods 0.000 claims abstract description 80
- 239000000463 material Substances 0.000 claims description 20
- 238000005315 distribution function Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000009189 diving Effects 0.000 claims description 4
- 229910021389 graphene Inorganic materials 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims description 3
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 3
- 238000005034 decoration Methods 0.000 claims 4
- 230000009286 beneficial effect Effects 0.000 abstract description 13
- 238000010792 warming Methods 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 235000013361 beverage Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/039—Accessories therefor, e.g. mouse pads
- G06F3/0395—Mouse pads
-
- 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
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
-
- 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
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
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- General Engineering & Computer Science (AREA)
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The invention provides a three-in-one multifunctional mouse pad, which is characterized by comprising the following components in parts by weight: the integrated controller is fixed on the upper right part of the mouse pad main body; wherein, a heating sheet is arranged inside the mouse pad main body; the integrated controller comprises a shell and a USB (universal serial bus) socket, wherein a PCBA (printed circuit board assembly) circuit board and a wireless charging coil are arranged in the shell; the PCBA circuit board and the heating sheet are connected to form a heating device; PCBA circuit board with wireless charging coil connects and constitutes charging device. The invention has the beneficial effects that: the combined mouse pad has the functions of heating, warming and wireless charging, and the three-in-one mouse pad aims to facilitate hands of a consumer to be warmed and a mobile phone to be wirelessly charged when the consumer goes to work or uses a computer in winter.
Description
Technical Field
The invention relates to the technical field of mouse accessories, in particular to a three-in-one multifunctional mouse pad.
Background
Currently, the mouse pads on the market are separate mouse pads and mouse pads + wireless mouse pads. The two mouse pad functions cannot meet the requirement of warming hands of consumers when the computer is used in winter. Therefore, the mouse pad in the current market causes the experience of the product after being used by consumers to be not perfect, and finally causes the incomplete function of the product and the like.
Disclosure of Invention
The invention provides a three-in-one multifunctional mouse pad, which is used for solving the problem that the experience of a product consumer is not perfect after the product is used and the function of the product is incomplete due to the mouse pad in the current market.
A three-in-one multifunctional mouse pad, comprising: the integrated controller is fixed on the upper right part of the mouse pad main body; wherein,
a heating sheet is arranged inside the mouse pad main body;
the integrated controller comprises a shell and a USB (universal serial bus) socket, wherein a PCBA (printed circuit board assembly) circuit board and a wireless charging coil are arranged in the shell; wherein,
the PCBA circuit board is electrically connected with the USB socket;
the PCBA circuit board and the heating sheet are connected to form a heating device;
PCBA circuit board with wireless charging coil connects and constitutes charging device.
Preferably: the mouse pad main body is provided with a 3-layer structure, the top layer is a waterproof layer, the middle layer is a pressure-resistant layer, and the bottom layer is an anti-skid layer; wherein,
the waterproof layer, the pressure-resistant layer and the anti-slip layer are fixed by wrapping linen.
Preferably: the waterproof layer is composed of linen, and the surface of the waterproof layer is provided with a waterproof coating;
the pressure-resistant layer is made of diving materials;
the anti-skidding layer comprises foamed rubber, just, the lower surface of anti-skidding layer is provided with anti-skidding line.
Preferably: the heating sheet is arranged between the waterproof layer and the pressure-resistant layer; wherein,
the heating sheet is composed of PTC base materials, and the heating sheet is coated with a graphene heating film.
Preferably: the casing is including decorating the piece, decorate the piece and pass through the last casing of first screwed connection its below, it is connected with well casing to go up the casing below, well casing is inside to be set up the PCBA circuit board, well casing passes through the bottom of second screwed connection its below, the inside setting of bottom wireless charging coil.
Preferably: the decorative sheet is made of silica gel;
the first screw and the second screw are made of iron nickel plating materials; wherein,
the first screw is PA2.0 multiplied by 0.8; the specification of the second screw is PWA1.7 x 4;
the upper shell is made of PC material and is in a milky semitransparent state;
the bottom cover is made of ABS material;
the wireless charging coil is an A11 coil;
the PCBA circuit board is a double-layer board.
Preferably: the heating device comprises a microprocessor and a temperature collector on the PCBA circuit board;
the microprocessor is connected with the heating sheet;
the mouse pad is characterized in that temperature sensing pieces arranged in a matrix mode are further arranged inside the mouse pad body, and the temperature sensing pieces are electrically connected with the temperature collector.
Preferably: the microprocessor acquires the temperature signal of the surface of the mouse pad through the temperature sensing sheet, and the temperature signal conforms to the temperature distribution function of the formula (1):
wherein f (T) represents the surface of the mouse padA temperature distribution function; gamma represents; w is aitA position parameter representing the ith sensing position at time t; t isitThe temperature of the ith induction position at the moment t is represented; delta represents a preset low temperature threshold temperature; s represents the area of the mouse pad; 1, 2, 3, … … n; n temperature sensing points are provided;
the microprocessor controls the heating sheet to heat up through the microprocessor according to the temperature distribution function of the formula (A), and keeps a constant temperature state through the formula (B):
wherein, TmaxA high temperature threshold value representing a constant temperature state; t isminA low temperature threshold value representing a constant temperature state;
representing an equivalent temperature shock response received by the microprocessor; when H is more than 1, the temperature of the surface of the mouse pad is in a heated constant temperature state; and when H is less than or equal to 1, the temperature of the surface of the mouse pad is lower than a low-temperature threshold value in a constant temperature state, and the mouse pad needs to be heated to enter the constant temperature state.
Preferably: the charging device comprises a charging power allocation unit on the PCBA circuit board, and when charging equipment is placed on the upper portion of the integrated controller, the power allocation process of the power allocation unit comprises the following steps:
step 1: acquiring the total power of the integrated controller, and determining the outputtable power of the integrated controller;
step 2: the method comprises the steps of obtaining charging power of charging equipment, and judging input power of the wireless charging coil according to the charging power;
and step 3: and according to the required input power of the heating device, constructing a power allocation model according to the required input power and the output power, and dynamically balancing the input power of the heating device and the input power of the charging device according to the power allocation model.
Preferably: in the step 3, dynamically balancing the input power of the heating device and the charging device according to the power allocation model is realized by an equation (3):
wherein,
represents the minimum required power of the heat generating device;
represents the minimum required power of the charging device; wc cftRepresenting the power difference between the power of the heating device at the time t and the minimum required power; wc cdtRepresenting the difference between the power of the charging device at time t and the minimum required power; w is aftRepresents the power of the heat generating device at time t; wjRepresenting the total output power of the integrated controller; w is adtRepresents the power of the charging device at time t; a represents the weight of the heat generating device; β represents a weight of the charging device; pfRepresenting the probability that the heat generating device is in a constant heating state; the P isdRepresenting the probability that the charging device is in a constant heating state; t istRepresents the temperature at time t; dtRepresenting the electric quantity of the charging equipment at the moment t; when the G-M-1, the power of the heat generating device and the power of the charging device are in a dynamic equilibrium state.
The invention has the beneficial effects that: the invention solves the problem that the mouse pad on the market is an independent mouse pad and a mouse pad plus wireless mouse pad. The invention discloses a combined mouse pad with the functions of mouse pad heating, heating and wireless charging, which aims to facilitate heating of hands of a consumer during working or other computer use in winter and wireless charging of a mobile phone.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
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 principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is an overall structure diagram of a three-in-one multifunctional mouse pad according to an embodiment of the present invention;
FIG. 2 is an exploded view of a mouse pad body according to an embodiment of the present invention;
fig. 3 is an exploded view of an integrated controller in an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1:
as shown in the attached figure 1, the invention relates to a three-in-one multifunctional mouse pad, which comprises: the mouse pad comprises a mouse pad main body 1 and an integrated controller 2, wherein the integrated controller 2 is fixed at the upper right part of the mouse pad main body 1; wherein,
a heating sheet 13 is arranged inside the mouse pad main body 1;
the integrated controller 2 comprises a shell and a USB (universal serial bus) socket, wherein a PCBA (printed circuit board assembly) circuit board 25 and a wireless charging coil 28 are arranged in the shell; wherein,
the PCBA circuit board 25 is electrically connected with the USB socket;
the PCBA circuit board 25 is connected with the heating sheet 13 through a wire to form a heating device;
the PCBA circuit board 25 with wireless charging coil 28 is connected and is constituted charging device.
The principle of the technical scheme is as follows: the invention relates to a three-in-one mouse pad which has three functions of a mouse pad, temperature rise and heat preservation and wireless charging. Heating plate in the mouse pad can heat up the heating, and integrated control ware 2 can control the piece that generates heat and heat up, can also carry out wireless charging to the battery charging outfit of placing on its 2 of integrated control. And a USB socket is arranged on the integrated controller and used for providing power for the integrated controller. The position of the USB socket is designed according to the actual implementation according to the requirement.
The invention has the beneficial effects that: the invention solves the problem that the mouse pad on the market is an independent mouse pad and a mouse pad plus wireless mouse pad. The invention discloses a combined mouse pad with the functions of mouse pad heating, heating and wireless charging, which aims to facilitate heating of hands of a consumer during working or other computer use in winter and wireless charging of a mobile phone.
Example 2:
as an embodiment of the present invention: as shown in fig. 2, the mouse pad body 1 has a 3-layer structure, the top layer is a waterproof layer 12, the middle layer is a pressure-resistant layer 14, and the bottom layer is an anti-slip layer 15; wherein,
the waterproof layer 12, the pressure-resistant layer 14 and the anti-skid layer 15 are fixed by the linen wrapping edge 11.
The principle and the beneficial effects of the technical scheme are as follows: the mouse pad main body 1 has a three-layer structure, the waterproof layer 12 on the top layer can prevent water and beverage from being poured on the waterproof layer when a user uses the mouse pad main body, and the pressure-resistant layer 14 in the middle part can prevent the heating device of the mouse pad from being crushed due to over-force. The anti-slip layer 15 can prevent the mouse from easily moving when the user operates the mouse.
Example 3:
as an embodiment of the present invention: as shown in fig. 2, the waterproof layer 12 is made of linen, and the surface of the waterproof layer 12 is provided with a waterproof coating;
the pressure-resistant layer 14 is made of diving materials;
the anti-skid layer 15 is made of foamed rubber, and anti-skid lines are arranged on the lower surface of the anti-skid layer 15.
The principle and the beneficial effects of the technical scheme are as follows: the waterproof layer 12 is made of linen, so that the wear resistance is high, and the waterproof coating can be waterproof; the diving material is a good compression-resistant material. The foaming rubber is not easy to wear and soft, the heating sheet can be prevented from being crushed, and the anti-slip lines are added to prevent the mouse pad from sliding.
Example 4:
as an embodiment of the present invention: as shown in fig. 2, the heating sheet 13 is disposed between the waterproof layer 12 and the pressure-resistant layer 13; wherein,
the heating sheet 13 is made of a PTC base material, and the heating sheet 13 is coated with a graphene heating film.
The principle and the beneficial effects of the technical scheme are as follows: the heating sheet is arranged between the waterproof layer 12 and the pressure-resistant layer 13, so that the heating sheet can be effectively prevented from being worn, the pressure-resistant layer 13 is arranged at the lower part of the heating sheet, the pressure resistance is improved, the heating performance of the graphene heating film is enhanced, and the electric energy consumption is reduced.
Example 5:
as an embodiment of the present invention: as shown in fig. 3, the housing further includes a decorative sheet 21, the decorative sheet 21 is connected with an upper housing 23 below the decorative sheet by a first screw 22, a middle housing 24 is connected below the upper housing 23, the PCBA circuit board 25 is arranged inside the middle housing 24, the middle housing 24 is connected with a bottom cover 27 below the middle housing by a second screw 26, and the wireless charging coil 28 is arranged inside the bottom cover 27.
The principle and the beneficial effects of the technical scheme are as follows: the decorative sheet can protect the upper shell and also has the function of attractive appearance. The first screw 22 fixes the decorative sheet 21 and the upper case 23 together, ensuring stability thereof and being easily detachable. Go up casing 23 below and be connected with well casing 24, the inside setting of well casing 24 PCBA circuit board 25, well casing and last casing are connected through fixed glue or screw thread, and well casing 24 can place fixed PCBA circuit board 25 to protect PCBA circuit board 25. The wireless charging coil 28 is in the bottom cover 27 and can be protected from being crushed by the user.
Example 6:
as an embodiment of the present invention: as shown in fig. 3, the decorative sheet 21 is made of silica gel;
the first screw 22 and the second screw 26 are made of iron nickel plating materials; wherein,
the first screw 22 is PA2.0 multiplied by 0.8; the specification of the second screw 26 is PWA1.7 × 4;
the upper shell 23 is made of PC material and is in a milky semitransparent state;
the bottom cover 27 is made of ABS material;
the wireless charging coil 28 is an a11 coil;
the PCBA circuit board 25 is a double-layer board.
The principle and the beneficial effects of the technical scheme are as follows: the decorative sheet made of the silica gel material is very soft and can resist pressure and play a good protection role. The screw made of the nickel-plated iron material ensures the strength of the screw. The PC material has flame retardance, and is in a milky semitransparent state, so that the state of the internal circuit board can be observed conveniently. The wireless charging coil is a general coil of A11 coil, has stability, and easy the change. The PCBA circuit board 25 is a double-layer board to which more components are easily added.
Example 7:
as an embodiment of the present invention: the heating device comprises a microprocessor and a temperature collector on the PCBA circuit board 25;
the microprocessor is connected with the heating sheet;
the mouse pad is characterized in that temperature sensing pieces arranged in a matrix mode are further arranged inside the mouse pad body, and the temperature sensing pieces are electrically connected with the temperature collector.
The principle and the beneficial effects of the technical scheme are as follows: the heating device of the invention is composed of components added on a PCBA circuit board 25 of the integrated controller 2, and the microprocessor is used for processing temperature data, identifying whether heating sheets are heated or not and controlling the heating sheets to heat. The temperature collector is used for collecting the temperature of the surface of the mouse pad at any time. The temperature sensing pieces arranged in a matrix mode can be distributed on any layer of the mouse pad body and used for sending real-time temperature to the temperature collector, and the temperature collector is composed of an analog-to-digital (A/D) conversion chip and a data receiver.
Example 8:
as an embodiment of the present invention: the microprocessor acquires the temperature signal of the surface of the mouse pad through the temperature sensing sheet, and the temperature signal conforms to the temperature distribution function of the formula (A):
wherein f (T) represents a temperature distribution function of the surface of the mouse pad; gamma represents; w is aitA position parameter representing the ith sensing position at time t; t isitThe temperature of the ith induction position at the moment t is represented; delta represents a preset low temperature threshold temperature; s represents the area of the mouse pad; 1, 2, 3, … … n; n temperature sensing points are provided;
the microprocessor controls the heating sheet to heat up through the microprocessor according to the temperature distribution function of the formula (A), and keeps a constant temperature state through a formula B:
wherein, TmaxA high temperature threshold value representing a constant temperature state; t isminA low temperature threshold value representing a constant temperature state;
representing an equivalent temperature shock response received by the microprocessor; when H is more than 1, the temperature of the surface of the mouse pad is in a heated constant temperature state; and when H is less than or equal to 1, the temperature of the surface of the mouse pad is lower than a low-temperature threshold value in a constant temperature state, and the mouse pad needs to be heated to enter the constant temperature state.
The principle and the beneficial effects of the technical scheme are as follows: when the microprocessor receives the temperature of the surface of the mouse pad through the temperature sensing piece, because the temperature of the surface of the mouse pad cannot be in a uniform state, possible places with high temperature can be providedThe temperature is low, so the temperature state of the whole mouse pad can be judged according to the temperature distribution function of the formula A, and the places of the mouse pad are judged to be lower than the preset temperature threshold value. Because the mouse pad is provided with a very small mouse pad only capable of placing a mouse and a large mouse pad fully paved on a desktop, the whole temperature difference of the small mouse pad is possibly not too large, but for the large mouse pad, a simulation worker can adopt the large mouse pad when a plurality of computers are required to be connected during work, the large mouse pad is large in area and is likely to have uneven temperature, the real-time distribution range is calculated through the temperature distribution function of the invention, and then the heating of the heating plate is realizeditSubstitution is performed to indicate real-time temperature at any time. However, when the temperature rises, the temperature must be within a reasonable range, and the user feels comfortable. Compared with the prior art, the temperature distribution function is calculated firstly, so that the temperature state of the whole mouse pad can be judged in the largest range, and the constant temperature state can be more accurate and has smaller fluctuation after the temperature distribution function is led out.
Example 9:
as an embodiment of the present invention: the charging device comprises a charging power allocation unit on the PCBA circuit board 25, when the charging equipment is placed on the upper part of the integrated controller 2, the power allocation unit performs power allocation, and the allocation process comprises the following steps:
step 1: acquiring the total power of the integrated controller, and determining the outputtable power of the integrated controller;
step 2: the method comprises the steps of obtaining charging power of charging equipment, and judging input power of the wireless charging coil according to the charging power;
and step 3: determining the weight of the charging device according to the electric quantity of the charging equipment, and determining the weight of the heating device according to the temperature of the surface of the mouse pad;
and 4, step 4: acquiring the required input power of the heating device, constructing a power allocation model according to the required input power, the output power, the weight of the charging device and the weight of the heating device, and dynamically balancing the input power of the heating device and the input power of the charging device according to the power allocation model.
The principle and the beneficial effects of the technical scheme are as follows: in the process of charging, the integrated controller is used as a power supply for charging and heating, but the electric quantity input by the integrated controller at the same time is constant and cannot be changed, so that the power allocation module is used for allocating power, and in the allocation process, the output power is necessarily less than the total power because the integrated controller needs the electric quantity. And the charging power of the charging device is controlled by the wireless charging coil. In the present invention, when the charging device is completely without power, the weight of the charging device is necessarily high, and the weight of the heat generating device is gradually decreased as the temperature of the mouse pad increases at the temperature of the temperature increasing sheet, according to the weight of the charging device and the weight of the heat generating device. In actual operation, the disk determines which weight is more heavily weighted according to the user's own settings. The method is beneficial to dynamically balancing the input power of the heating device and the charging device by the power allocation model, and can also optimize the user experience.
Example 10:
as an embodiment of the present invention: in the step 3, dynamically balancing the input power of the heating device and the charging device according to the power allocation model is realized by the following formula (C):
wherein,
represents the minimum required power of the heat generating device;
indicating chargingThe minimum required power of the device; wc cftRepresenting the power difference between the power of the heating device at the time t and the minimum required power; wc cdtRepresenting the difference between the power of the charging device at time t and the minimum required power; w is aftRepresents the power of the heat generating device at time t; wjRepresenting the total output power of the integrated controller; w is adtRepresents the power of the charging device at time t; a represents the weight of the heat generating device; β represents a weight of the charging device; pfRepresenting the probability that the heat generating device is in a constant heating state; the P isdRepresenting the probability that the charging device is in a constant heating state; t istRepresents the temperature at time t; dtRepresenting the electric quantity of the charging equipment at the moment t; the input power of the heat generating device and the charging device is in a dynamic equilibrium state only when the G-M-1 is satisfied.
The principle and the beneficial effects of the technical scheme are as follows: the power allocation model of the present invention dynamically balances the input power of the heat generating device and the charging device according to two criteria, the first criterion being that the input power of the power generating device is above the minimum required power of the heat generating device and the input power of the charging device is also above the minimum required power. The invention therefore represents, in the first criterion G, a criterion of equalization of the lowest power, which guarantees that they can act simultaneously, whether the power for charging is high or the power for heating is high, but in the summer, it can be set to be only charging. And the second standard M is a probability control standard, so that the temperature of heating at any moment and the electric quantity of the charging equipment are ensured to be in a balanced state, the minimum power is ensured, and the balanced distribution of the power under any weight is ensured. Compared with the prior art, the method and the device can not only experience heating of the mouse pad and charge the mobile phone at the same time, but also ensure that the weight value is set according to the user's weight, more important charging or more important temperature, and further perform personalized power balance control according to the user's requirements.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A three-in-one multifunctional mouse pad is characterized by comprising: the mouse pad comprises a mouse pad main body (1) and an integrated controller (2), wherein the integrated controller (2) is fixed at the upper right part of the mouse pad main body (1); wherein,
a heating sheet (13) is arranged inside the mouse pad main body (1);
the integrated controller (2) comprises a shell and a USB (universal serial bus) socket, wherein a PCBA (printed circuit board assembly) circuit board (25) and a wireless charging coil (28) are arranged in the shell; wherein,
the PCBA circuit board (25) is electrically connected with the USB socket;
the PCBA circuit board (25) and the heating sheet (13) are connected to form a heating device;
PCBA circuit board (25) with wireless charging coil (28) are connected and are constituted charging device.
2. The three-in-one multifunctional mouse pad as claimed in claim 1, wherein the mouse pad body (1) has a 3-layer structure, the top layer is a waterproof layer (12), the middle layer is a pressure-resistant layer (14), and the bottom layer is an anti-slip layer (15); wherein,
the waterproof layer (12), the pressure-resistant layer (14) and the anti-skid layer (15) are fixed by linen covered edges (11).
3. The three-in-one multifunctional mouse pad as claimed in claim 2, wherein the waterproof layer (12) is made of linen, and the surface of the waterproof layer (12) has a waterproof coating;
the pressure-resistant layer (14) is made of diving materials;
the anti-skid layer (15) is made of foamed rubber, and anti-skid lines are arranged on the lower surface of the anti-skid layer (15).
4. The three-in-one multifunctional mouse pad as claimed in claim 2, wherein the heat generating sheet (13) is disposed between the waterproof layer (12) and the pressure-resistant layer (13); wherein,
the heating sheet (13) is composed of PTC base materials, and the heating sheet (13) is coated with a graphene heating film.
5. The three-in-one multifunctional mouse pad as claimed in claim 1, wherein the housing further comprises a decoration sheet (21), the decoration sheet (21) is connected to an upper housing (23) below the decoration sheet through a first screw (22), a middle housing (24) is connected below the upper housing (23), the PCBA circuit board (25) is arranged inside the middle housing (24), the middle housing (24) is connected to a bottom cover (27) below the middle housing through a second screw (26), and the wireless charging coil (28) is arranged inside the bottom cover (27).
6. The three-in-one multifunctional mouse pad as claimed in claim 5, wherein the decoration sheet (21) is made of silica gel;
the first screw (22) and the second screw (26) are made of iron nickel plating materials; wherein,
the specification of the first screw (22) is PA2.0 multiplied by 0.8; the specification of the second screw (26) is PWA1.7 x 4;
the upper shell (23) is made of PC material and is in a milky semitransparent state;
the bottom cover (27) is made of ABS material;
the wireless charging coil (28) is an A11 coil;
the PCBA circuit board (25) is a double-layer board.
7. The three-in-one multifunctional mouse pad as recited in claim 1,
the heating device comprises a microprocessor and a temperature collector on the PCBA circuit board (25);
the microprocessor is connected with the heating sheet;
the mouse pad is characterized in that temperature sensing pieces arranged in a matrix mode are further arranged inside the mouse pad body, and the temperature sensing pieces are electrically connected with the temperature collector.
8. The three-in-one multifunctional mouse pad as claimed in claim 7, wherein the microprocessor obtains the temperature signal of the surface of the mouse pad through the thermo-sensitive strip, and the temperature signal conforms to the temperature distribution function of formula (1):
wherein f (T) represents a temperature distribution function of the surface of the mouse pad; gamma represents; w is aitA position parameter representing the ith sensing position at time t; t isitThe temperature of the ith induction position at the moment t is represented; delta represents a preset low temperature threshold temperature; s represents the area of the mouse pad; 1, 2, 3, … … n; n temperature sensing points are provided;
the microprocessor controls the heating sheet to heat up through the microprocessor according to the temperature distribution function of the formula (A), and keeps a constant temperature state through the formula (B):
wherein, TmaxA high temperature threshold value representing a constant temperature state; t isminA low temperature threshold value representing a constant temperature state;
representing an equivalent temperature shock response received by the microprocessor; when H is more than 1, the temperature of the surface of the mouse pad is in a heated constant temperature state; and when H is less than or equal to 1, the temperature of the surface of the mouse pad is lower than a low-temperature threshold value in a constant temperature state, and the mouse pad needs to be heated to enter the constant temperature state.
9. The three-in-one multifunctional mouse pad as recited in claim 1,
the charging device comprises a charging power allocation unit on the PCBA circuit board (25), when charging equipment is placed on the upper part of the integrated controller (2), the power allocation unit performs power allocation, and the allocation process comprises the following steps:
step 1: acquiring the total power of the integrated controller, and determining the outputtable power of the integrated controller;
step 2: the method comprises the steps of obtaining charging power of charging equipment, and judging input power of the wireless charging coil according to the charging power;
and step 3: determining the weight of the charging device according to the electric quantity of the charging equipment, and determining the weight of the heating device according to the temperature of the surface of the mouse pad;
and 4, step 4: acquiring the required input power of the heating device, constructing a power allocation model according to the required input power, the output power, the weight of the charging device and the weight of the heating device, and dynamically balancing the input power of the heating device and the input power of the charging device according to the power allocation model.
10. The three-in-one multifunctional mouse pad as claimed in claim 9, wherein the step 3 of dynamically balancing the input power of the heating device and the charging device according to the power allocation model is implemented by the following formula (C):
wherein,
represents the minimum required power of the heat generating device;
represents the minimum required power of the charging device; wc cftRepresenting the power difference between the power of the heating device at the time t and the minimum required power; wc cdtRepresenting the difference between the power of the charging device at time t and the minimum required power; w is aftRepresents the power of the heat generating device at time t; wjRepresenting the total output power of the integrated controller; w is adtRepresents the power of the charging device at time t; a represents the weight of the heat generating device; β represents a weight of the charging device; pfRepresenting the probability that the heat generating device is in a constant heating state; the P isdRepresenting the probability that the charging device is in a constant heating state; t istRepresents the temperature at time t; dtRepresenting the electric quantity of the charging equipment at the moment t; the input power of the heat generating device and the charging device is in a dynamic equilibrium state only when the G-M-1 is satisfied.
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