CN216751323U - Wearable electric heating product with wireless charging function - Google Patents
Wearable electric heating product with wireless charging function Download PDFInfo
- Publication number
- CN216751323U CN216751323U CN202122792859.9U CN202122792859U CN216751323U CN 216751323 U CN216751323 U CN 216751323U CN 202122792859 U CN202122792859 U CN 202122792859U CN 216751323 U CN216751323 U CN 216751323U
- Authority
- CN
- China
- Prior art keywords
- wireless charging
- battery
- circuit
- charging
- node
- 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
- 238000005485 electric heating Methods 0.000 title claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 239000003990 capacitor Substances 0.000 claims description 28
- 238000001514 detection method Methods 0.000 claims description 25
- 238000010792 warming Methods 0.000 claims description 22
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 210000004291 uterus Anatomy 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000011049 pearl Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a wearable electric heating product with a wireless charging function, which comprises a shell part, a battery, a heating part and a control circuit, wherein the battery, the heating part and the control circuit are accommodated in the shell part; when the wireless charging circuit is connected with the wireless charging transmitting terminal, the wireless charging circuit receives the electric energy transmitted by the wireless charging transmitting terminal and charges the battery.
Description
Technical Field
The utility model relates to the technical field of heating equipment, in particular to a wearable electric heating product with a wireless charging function.
Background
The existing heating devices, such as hand warmers, uterus warming belts and other products, are mostly heated by heating elements, and are small and portable. Warming devices such as hand warmer, uterus warming area all can set up the battery usually, provide through the battery generate heat a required electric energy of work, in order to improve the convenience of use, the battery adopts rechargeable battery usually to the power adapter that charges is carried out rechargeable battery in the outfit, when battery power is not enough, charges through power adapter connection outside power supply to the battery.
However, when a user goes out, the user must carry a matched power adapter to charge the heating device to ensure the sustainable use of the heating device, so that a lot of inconvenience is brought to the user.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems in the prior art, the utility model provides a wearable electric warming product with better portability and a wireless charging function.
In order to achieve the above purpose, the technical solution of the embodiment of the present invention is realized as follows:
a wearable electric heating product with a wireless charging function comprises a shell member, a battery, a heating member and a control circuit, wherein the battery, the heating member and the control circuit are accommodated in the shell member, a charging interface is arranged on the shell member, the control circuit comprises a controller, and a charging interface circuit and a wireless charging circuit which are connected between the controller and the battery, the battery is used for providing electric energy for the controller and the heating member, when the charging interface is connected with an external power supply through a charging circuit, the charging interface circuit acquires the electric energy from the external power supply through the charging circuit to charge the battery; when the wireless charging circuit is connected with the wireless charging transmitting terminal, the wireless charging circuit receives the electric energy transmitted by the wireless charging transmitting terminal and charges the battery.
The charging interface circuit comprises a charging management chip and a battery voltage detection circuit; when the battery is in a wired charging mode, the battery voltage detection circuit detects the current voltage of the battery and sends the current voltage to the controller, and the controller controls the charging management chip to adjust the charging power for charging the battery according to the current voltage.
The battery voltage detection circuit comprises a first resistor, a second resistor, a third resistor and a first capacitor, wherein the positive end of the battery is connected with the switch output end of the charging management chip to form a first node, the negative end of the battery is connected with an electrode ground to form a second node, the first resistor and the second resistor are connected in series between the first node and the second node, the third resistor is connected between the third node between the first resistor and the second resistor and the battery sampling end of the controller, and the first capacitor is connected with the second resistor in parallel.
The charging interface circuit further comprises a filter circuit, wherein the filter circuit comprises a first inductor connected between the first node and the switch output end of the charging management chip, a fourth resistor connected between the first node and the battery connecting end of the controller, and a second capacitor connected between the battery connecting end and the second node; and/or the presence of a gas in the gas,
the charging interface circuit further comprises a spike absorption circuit, and the spike absorption circuit comprises a fifth resistor and a third capacitor which are connected between the first node and the second node in series.
The wireless charging circuit comprises a wireless charging receiving chip and a receiving coil connected with the wireless charging receiving chip, one end of the receiving coil is connected with a rectifying interface end of the wireless charging receiving chip through a rectifying diode, and the other end of the receiving coil is connected with a coil input end of the wireless charging receiving chip.
The wireless charging circuit further comprises a synchronous rectification circuit connected with the rectification interface end and a plurality of filter capacitors connected between the rectification interface end and the electrode ground in parallel; and/or the presence of a gas in the gas,
the wireless charging circuit further comprises a coil input capacitor connected between the receiving coil and the coil input end, a clamping capacitor connected between the receiving coil and a clamping signal end of the wireless charging receiving chip, and a signal modulation capacitor connected between the receiving coil and a communication interface end of the wireless charging receiving chip.
The wireless charging circuit further comprises a switch key connected between a power supply end of the wireless charging receiving chip and the battery.
And an isolation diode is also arranged between the power supply end and the battery.
The control circuit further comprises a battery temperature detection circuit connected with the controller, and the controller controls the charging interface circuit to adjust the charging power of the battery or controls the wireless charging circuit to adjust the charging power of the battery according to the battery temperature detected by the battery temperature detection circuit.
Wherein, the wearing formula electricity warming product with wireless function of charging is for warm hand treasured, warm foot treasured, uterus warming area or generate heat muffler.
According to the wearable electric warming product with the wireless charging function, the charging interface circuit and the wireless charging circuit are simultaneously designed, so that the charging circuit is connected with an external power supply to obtain electric energy to charge the battery, and the wireless charging circuit is connected with the wireless charging transmitting terminal to receive the electric energy transmitted by the wireless charging transmitting terminal to charge the battery, so that a user can conveniently select a wired or wireless charging mode according to actual requirements, and the portability of the wearable electric warming product with the wireless charging function can be improved.
Drawings
FIG. 1 is a schematic diagram of a wearable electric warming product with wireless charging function in one embodiment;
FIG. 2 is a circuit diagram of the controller of FIG. 1;
FIG. 3 is a schematic circuit diagram of the charging interface circuit of FIG. 1;
FIG. 4 is a diagram of a portion of a wireless charging receive chip in accordance with an embodiment;
FIG. 5 is a circuit schematic of a receive coil portion in one embodiment;
FIG. 6 is a diagram illustrating a battery temperature detection circuit according to an embodiment.
Detailed Description
The technical solution of the present application is further described in detail with reference to the drawings and specific embodiments of the specification.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of implementations of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and fig. 2 in combination, an embodiment of the present application provides a wearable electric warming product with a wireless charging function, including a housing member 40, a battery 31 accommodated in the housing member 40, a heating member 32, and a control circuit, where the housing member 40 is provided with a charging interface 41, the control circuit includes a controller 10, and a charging interface circuit 26 and a wireless charging circuit 25 connected between the controller 10 and the battery 31, the battery 31 is configured to provide electric energy to the controller 10 and the heating member 32, the charging interface 41 may be a Type-C charging interface, and when the charging interface 41 is connected with an external power supply through a charging circuit, the charging interface circuit 26 obtains electric energy from the external power supply through the charging circuit to charge the battery 31; when the wireless charging circuit 25 is connected to the wireless charging transmitter, the wireless charging circuit 25 receives the electric energy transmitted by the wireless charging transmitter to charge the battery 31.
In the above embodiment, the warm product of wearing formula electricity with wireless function of charging is through the interface circuit 26 and the wireless charging circuit 25 that charge of simultaneous design to support simultaneously to connect external power supply through the charging circuit and acquire the electric energy do battery 31 charges and establish with the receipt through wireless charging circuit 25 and wireless transmitting terminal that charges wireless transmitting terminal transmission's electric energy to battery 31 charges, thereby convenience of customers selects wired or wireless mode of charging according to actual demand, can promote the portability of the warm product of wearing formula electricity with wireless function of charging.
Optionally, the charging interface circuit 26 includes a charging management chip 261 and a battery voltage detection circuit 262; when the battery 31 is in the wired charging mode, the battery voltage detection circuit 262 detects the current voltage of the battery 31 and sends the current voltage to the controller 10, and the controller 10 controls the charging management chip 261 to adjust the charging power for charging the battery 31 according to the current voltage. Referring to fig. 3, the positive terminal of the battery 31 is connected to the switch output terminal SW of the charge management chip 261 to form a first node 263, the negative terminal is connected to the electrode ground to form a second node 264, and the battery voltage detection circuit 262 includes a first resistor R16 and a second resistor R23 connected in series between the first node 263 and the second node 264, a third resistor R19 connected between a third node 265 between the first resistor R16 and the second resistor R23 and the battery sampling terminal BAT _ AD of the controller 10, and a first capacitor C14 connected in parallel with the second resistor R23. When the battery 31 is in the wired charging mode, the battery voltage detection circuit 262 detects the voltage of the battery 31, and the controller 10 controls the charging management chip 261 to adjust the charging power for charging the battery 31 according to the real-time voltage of the battery 31, so that the charging efficiency is improved to the greatest extent while the charging safety of the battery 31 is ensured. Optionally, the charging interface circuit 26 further includes a filter circuit 267, and the filter circuit 267 includes a first inductor L1 connected between the first node 263 and the switch output end SW of the charging management chip 261, a fourth resistor R17 connected between the first node 263 and the battery connection terminal BAT of the controller 10, and a second capacitor C16 connected between the battery connection terminal BAT and the second node 264. Optionally, the charging interface circuit 26 further includes a spike absorbing circuit 266, and the spike absorbing circuit 266 includes a fifth resistor R18 and a third capacitor C15 connected in series between the first node 263 and the second node 264. The filter circuit 267 can filter out unwanted signals in the circuit loop, and improve the anti-interference performance of the circuit, thereby effectively ensuring the detection accuracy of the battery voltage detection circuit 262. The peak absorbing circuit 266 can alleviate the voltage peak and protect the charge management chip 261.
In some embodiments, the charging interface circuit 26 further includes a power detection circuit and a power display module connected to the controller 10, the power detection circuit detects the current power of the battery 31 and transmits the current power to the controller 10, and the controller 10 controls the power display module to display the current power of the battery 31. The electric quantity display module can include a plurality of LED lamp pearls, and controller 10 can control the LED lamp pearl of corresponding quantity to light in the electric quantity display module according to the current electric quantity level of battery 31 that electric quantity detection circuitry detected to supply the user to judge the current electric quantity of battery 31 directly perceivedly through the lamp pearl quantity of lighting in the electric quantity display module.
Referring to fig. 4 and 5, the wireless charging circuit 25 includes a wireless charging receiving chip 251 and a receiving coil 252 connected to the wireless charging receiving chip 251, wherein one end of the receiving coil 252 is connected to a rectifying interface terminal RECT of the wireless charging receiving chip 251 through a rectifying diode D1, and the other end is connected to a coil input terminal AC2 of the wireless charging receiving chip 251. The wireless charging receiving chip 251 can be a known wireless receiving chip, the wireless charging receiving chip 251 serves as a wireless charging point receiving end, when the wearable electric warming product with the wireless charging function is close to a charging seat comprising a wireless charging transmitting end, the wireless charging receiving chip 251 is connected with the charging seat, the receiving coil 252 is in energy coupling with a transmitting coil of the wireless charging transmitting end to realize energy transfer, the receiving coil 252 generates induction current, and alternating current is converted into direct current through the rectifier diode D1 to charge the battery 31.
The wireless charging circuit 25 further includes a synchronous rectification circuit connected to the rectification interface terminal RECT, and the synchronous rectification circuit includes a plurality of filter capacitors C8-C11 connected in parallel between the rectification interface terminal RECT and the electrode ground. Through the arrangement of the synchronous rectification circuit, the power conversion efficiency can be improved, and the power loss is reduced. The filter capacitors C8-C11 can filter out alternating current components in the rectified output voltage of the synchronous rectification circuit, and rectification efficiency is improved.
Optionally, the wireless charging circuit 25 further includes a coil input capacitor C18 connected between the receiving coil 252 and the coil input terminal AC2, clamp capacitors C2 and C19 connected between the receiving coil 252 and the clamping signal terminals COLMP1 and COLMP2 of the wireless charging receiving chip 251, and a signal modulation capacitor C20 connected between the receiving coil 252 and the communication interface terminal COM2 of the wireless charging receiving chip 251. The coil input capacitor C18 can absorb the current impact at the moment of power failure of the receiving coil 251, thereby protecting the circuit. The clamping capacitors C2 and C19 are arranged to maintain the constant voltages of the clamping signal terminals COLMP1 and COLMP2 by using the advantage that the potentials at the two ends of the capacitors do not change suddenly. By means of the arrangement of the signal modulation capacitor C20, interference signals of the communication interface end COM2 can be filtered out, and an anti-interference effect is achieved.
The wireless charging circuit 25 further includes a switch button S1 connected between the power supply terminal AVDD of the wireless charging receiving chip 251 and the battery 31. The shell body of the wearable electric warming product with the wireless charging function can be provided with a key part corresponding to the switch key S1, and a user can realize the on-off control of the switch key S1 through clicking or touching the key part so as to correspondingly control the wireless charging circuit 25 to be started and controlled to charge the battery 31 or the wireless charging circuit 25 stops charging the battery 31. Optionally, an isolation diode D2 is further disposed between the power supply terminal and the battery 31, and the isolation diode D2 can prevent interference of other signals of a circuit connected to the power supply terminal AVDD with charging of the battery 31.
Referring to fig. 6, the control circuit further includes a battery temperature detection circuit 27 connected to the controller 10, and the controller 10 controls the charging interface circuit 26 to adjust the charging power of the battery 31 or controls the wireless charging circuit 25 to adjust the charging power of the battery 31 according to the battery temperature BAT _ TEMP1 detected by the battery temperature detection circuit 27. The battery Temperature detecting circuit 27 may include an NTC (Negative Temperature Coefficient) Temperature sensor attached to the surface of the battery 31, and in the charging process of the battery 31, the NTC Temperature sensor is configured to collect the battery Temperature BAT _ TEMP1 in real time and send the battery Temperature BAT _ TEMP1 to the controller 10, and when it is monitored that the battery Temperature BAT _ TEMP1 exceeds a set threshold, the controller 10 may reduce the charging power to the battery 31, and ensure the safety and the continuity of the battery 31, so as to greatly improve the charging efficiency under the condition of ensuring the safety.
Wherein, the electric heating product of wearing formula that has wireless function of charging in this application embodiment specifically can be hand warmer, foot warmer, uterus warming area, generate heat muffler etc. and can supply the portable different product forms that carry of user, or dress and realize the heating on different positions on the health.
The above-mentioned embodiment of this application provides a warm product of wearing formula electricity with wireless function of charging possesses following characteristics at least:
first, through designing interface circuit 26 and the wireless charging circuit 25 that charges simultaneously to support simultaneously to connect external power supply through the charging circuit and acquire the electric energy and do battery 31 charges and establish through wireless charging circuit 25 and wireless charging transmitting terminal and be connected in order to receive the electric energy of wireless charging transmitting terminal transmission to battery 31 charges, thereby convenience of customers selects wired or wireless mode of charging according to the actual demand, promotes the portability of the warm product of wearing formula electricity with wireless charging function.
Secondly, through the setting of the battery temperature detection circuit 27, when the battery temperature BAT _ TEMP1 exceeds the preset temperature threshold, the charging power of the battery 31 is adjusted in time, so that the charging efficiency of the battery 31 can be improved, and the safety in the charging process can be ensured.
Thirdly, the charging interface circuit 26 is provided with a battery voltage detection circuit, a filter circuit and the like, and the wireless charging circuit 25 is provided with a battery voltage detection circuit, a plurality of capacitors and the like, so that the charging process management of the battery 31 can be optimized correspondingly.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and shall cover the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A wearable electric heating product with a wireless charging function is characterized by comprising a shell member, a battery contained in the shell member, a heating member and a control circuit, wherein a charging interface is arranged on the shell member, the control circuit comprises a controller, a charging interface circuit and a wireless charging circuit, the charging interface circuit and the wireless charging circuit are connected between the controller and the battery, the battery is used for providing electric energy for the controller and the heating member, when the charging interface is connected with an external power supply through a charging circuit, the charging interface circuit acquires the electric energy from the external power supply through the charging circuit to charge the battery; when the wireless charging circuit is connected with the wireless charging transmitting terminal, the wireless charging circuit receives the electric energy transmitted by the wireless charging transmitting terminal and charges the battery.
2. The wearable electric warming product with wireless charging function as claimed in claim 1, wherein the charging interface circuit comprises a charging management chip and a battery voltage detection circuit; when the battery is in a wired charging mode, the battery voltage detection circuit detects the current voltage of the battery and sends the current voltage to the controller, and the controller controls the charging management chip to adjust the charging power for charging the battery according to the current voltage.
3. The wearable electric heating product with wireless charging function of claim 2, wherein the positive terminal of the battery is connected with the switch output terminal of the charging management chip to form a first node, the negative terminal is connected with the electrode ground to form a second node, the battery voltage detection circuit comprises a first resistor and a second resistor connected in series between the first node and the second node, a third resistor connected between a third node between the first resistor and the second resistor and the battery sampling terminal of the controller, and a first capacitor connected in parallel with the second resistor.
4. The wearable electric warming product with wireless charging function according to claim 3, wherein said charging interface circuit further comprises a filter circuit, said filter circuit comprising a first inductor connected between said first node and said switch output terminal of said charging management chip, a fourth resistor connected between said first node and a battery connection terminal of said controller, and a second capacitor connected between said battery connection terminal and said second node; and/or the presence of a gas in the gas,
the charging interface circuit further comprises a spike absorption circuit, and the spike absorption circuit comprises a fifth resistor and a third capacitor which are connected between the first node and the second node in series.
5. The wearable electric warming product with wireless charging function according to any one of claims 1 to 4, wherein the wireless charging circuit comprises a wireless charging receiving chip and a receiving coil connected with the wireless charging receiving chip, one end of the receiving coil is connected with the rectifying interface end of the wireless charging receiving chip through a rectifying diode, and the other end of the receiving coil is connected with the coil input end of the wireless charging receiving chip.
6. The wearable electric warming product with wireless charging function according to claim 5, wherein said wireless charging circuit further comprises a synchronous rectification circuit connected with said rectification interface terminal, said synchronous rectification circuit comprising a plurality of filter capacitors connected in parallel between said rectification interface terminal and electrode ground; and/or the presence of a gas in the gas,
the wireless charging circuit further comprises a coil input capacitor connected between the receiving coil and the coil input end, a clamping capacitor connected between the receiving coil and a clamping signal end of the wireless charging receiving chip, and a signal modulation capacitor connected between the receiving coil and a communication interface end of the wireless charging receiving chip.
7. A wearable electric warming product with wireless charging function as claimed in claim 5 wherein said wireless charging circuit further comprises a switch button connected between the power terminal of said wireless charging receiving chip and said battery.
8. A wearable electric warming product with wireless charging function as claimed in claim 7 wherein an isolation diode is further provided between said power supply terminal and said battery.
9. The wearable electric warming product with wireless charging function as claimed in claim 1, wherein the control circuit further comprises a battery temperature detection circuit connected to the controller, and the controller controls the charging interface circuit to adjust the charging power to the battery or controls the wireless charging circuit to adjust the charging power to the battery according to the battery temperature detected by the battery temperature detection circuit.
10. A wearable electric warming product with wireless charging function as claimed in claim 1, wherein said wearable electric warming product with wireless charging function is hand warmer, foot warmer, uterus warmer or heating neck warmer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122792859.9U CN216751323U (en) | 2021-11-15 | 2021-11-15 | Wearable electric heating product with wireless charging function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122792859.9U CN216751323U (en) | 2021-11-15 | 2021-11-15 | Wearable electric heating product with wireless charging function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216751323U true CN216751323U (en) | 2022-06-14 |
Family
ID=81925854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122792859.9U Active CN216751323U (en) | 2021-11-15 | 2021-11-15 | Wearable electric heating product with wireless charging function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216751323U (en) |
-
2021
- 2021-11-15 CN CN202122792859.9U patent/CN216751323U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102000374B1 (en) | Adaptive electrothermal system and electrothermal apparel | |
| TW201325007A (en) | Mobile power bank | |
| CN205485490U (en) | Warm quilt of electricity, electric heating mattress and electric blanket intelligence control system | |
| CN216751323U (en) | Wearable electric heating product with wireless charging function | |
| CN109892934A (en) | A kind of intelligent temperature control cup | |
| CN201840251U (en) | Clothes hanger with wireless charging function | |
| CN205485491U (en) | Warm quilt of electricity, electric heating mattress and electric blanket controlling means based on cell -phone | |
| CN112202215A (en) | Intelligent detection garment capable of being charged wirelessly and method | |
| CN103844402A (en) | Multifunctional garment | |
| CN208127993U (en) | A kind of wireless charging luggage | |
| CN204169945U (en) | A kind of multifunctional toothbrush with wireless charging receptor | |
| CN218005908U (en) | Charging topological circuit, cleaning robot base station, cleaning system and cleaning robot | |
| CN202334936U (en) | Portable electric heating device | |
| CN214547359U (en) | Waist support device | |
| CN204187716U (en) | Portable foot portion warm keeping device | |
| CN210962565U (en) | Portable physiotherapy device of intelligence | |
| TW201815366A (en) | Device and system of hot compress with wireless charging | |
| CN109846373A (en) | A kind of Intelligent water cup and control method | |
| CN208475431U (en) | A kind of heater of anti-scald | |
| CN107144357A (en) | A kind of wireless charging electronic thermometer | |
| CN2509885Y (en) | Carbon-fiber infrared electrothermal warm undergarment | |
| CN213908590U (en) | High-power heating garment compatible with quick-charging mobile power supply | |
| CN210249416U (en) | Intelligent heat-preservation water cup | |
| CN207639736U (en) | Heating shoes | |
| CN204063260U (en) | Light air heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518131, Block C, 1601, Zhantao Technology Building, Intersection of Minzhi Avenue and Gongye East Road, Xinniu Community, Minzhi Street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Jianjun Technology Co.,Ltd. Address before: 1708, block C, Zhantao technology building, the intersection of Minzhi Avenue and Gongye East Road, Xinniu community, Minzhi street, Longhua District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN RANVOO TECHNOLOGY CO.,LTD. |