CN220857674U - Power supply device for electric furniture and electric furniture - Google Patents
Power supply device for electric furniture and electric furniture Download PDFInfo
- Publication number
- CN220857674U CN220857674U CN202322554152.3U CN202322554152U CN220857674U CN 220857674 U CN220857674 U CN 220857674U CN 202322554152 U CN202322554152 U CN 202322554152U CN 220857674 U CN220857674 U CN 220857674U
- Authority
- CN
- China
- Prior art keywords
- electric furniture
- battery assembly
- circuit
- boost
- power supply
- 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
- 238000001514 detection method Methods 0.000 claims description 17
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 16
- 229910052744 lithium Inorganic materials 0.000 claims description 16
- 230000005059 dormancy Effects 0.000 claims description 13
- 230000007958 sleep Effects 0.000 description 10
- 238000009434 installation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to the technical field of electric furniture, in particular to a power supply device for electric furniture and the electric furniture. The power supply device for the electric furniture comprises a battery assembly, a boost circuit and a control module, wherein the battery assembly and the boost circuit are electrically connected with the control module, the battery assembly is connected with the boost circuit, and the battery assembly is used for outputting low voltage and supplying power for low-voltage equipment for the electric furniture; the boost circuit is used for boosting the low voltage output by the battery assembly to the medium voltage required by medium voltage equipment for the electric furniture; the control module is used for receiving a control signal from a user and controlling the switch of the battery assembly and the voltage output of the boost circuit according to the control signal. The power supply device for the electric furniture has the advantages that the battery assembly directly supplies power for low-voltage equipment, meanwhile, the boosting circuit boosts the low voltage output by the battery assembly and supplies power for medium-voltage equipment, so that the power supply device for the electric furniture has higher flexibility when facing different voltage requirements of different electric devices in the electric furniture, and the battery cost is reduced.
Description
Technical Field
The utility model relates to the technical field of electric furniture, in particular to a power supply device for electric furniture and the electric furniture.
Background
The electric furniture generally refers to furniture with an electric motor, an electric push rod, an electric lifting device or other electric devices, such as an electric sofa, an electric bed, an electric leisure chair and the like, and the electric devices can realize the electric function of the electric furniture under the condition that a power supply is supplied, such as adjusting the inclination angle of the sofa, adjusting the height of the bed and the like.
The traditional electric furniture adopts a special adapter to supply power for the socket, but if the adapter is adopted to supply power for the socket, the problem of ground wire pulling is generated, and the electric furniture is not attractive, and potential safety hazards such as wire tripping and the like are also existed. Therefore, many current electric furniture products employ a power supply device for supplying power to a plurality of lithium batteries in series output and medium voltage. However, the existing power supply device for electric furniture has some technical problems. Specifically, a medium voltage device for electric furniture, such as an electric push rod for electric furniture, generally needs 29V dc power supply, and 7 three lithium batteries are used in series to achieve the voltage, while a low voltage device for electric furniture, such as a massager on electric furniture, may only need 12V dc power supply, and thus, 3 three lithium batteries are used in series to enable the 12V massager to work normally. It can be seen that when the existing power supply device for the electric furniture is adopted by the electric furniture, the flexibility is poor when the electric furniture is faced with different voltage requirements of different electric devices, the number of lithium batteries needed to be used is large, the cost of the lithium batteries is high, and the installation space needed by the power supply device in the electric furniture is large.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a power supply device for electric furniture and the electric furniture.
The utility model adopts the following technical scheme: the power supply device for the electric furniture comprises a battery assembly, a booster circuit and a control module, wherein the battery assembly and the booster circuit are electrically connected with the control module, the battery assembly is connected with the booster circuit,
The battery assembly is used for outputting low voltage and supplying power to low voltage equipment for electric furniture;
The boost circuit is used for boosting the low voltage output by the battery assembly to the medium voltage required by medium voltage equipment for electric furniture;
The control module is used for receiving a control signal from a user and controlling the switch of the battery assembly and the voltage output of the boost circuit according to the control signal.
Through combining the battery pack outputting low voltage with the boost circuit, the battery pack outputting low voltage is directly used for supplying power to low-voltage equipment for electric furniture, and meanwhile, the boost circuit is used for boosting the low voltage output by the battery pack and supplying power to medium-voltage equipment for electric furniture, so that the power supply device for electric furniture has higher flexibility when facing different voltage demands of different electric devices in the electric furniture, and the battery pack is not required to be additionally arranged for supplying power, thereby greatly reducing the battery cost of the power supply device for electric furniture and simultaneously reducing the installation space required by the battery pack in the electric furniture.
Preferably, the power supply device for electric furniture comprises a load detection unit, the control module comprises a dormancy wakeup circuit, the load detection unit is arranged at the output end of the boost circuit, the load detection unit is connected with the input end of the dormancy wakeup circuit, the load detection unit is used for detecting the current load condition of the output end of the boost circuit and transmitting the current load condition to the dormancy wakeup circuit, the battery assembly and the boost circuit are electrically connected with the dormancy wakeup circuit, and the dormancy wakeup circuit is used for controlling the dormancy/wakeup state of the boost circuit according to the current load condition transmitted by the load detection unit.
The medium voltage equipment for the electric furniture generally has the characteristics of short single use time and low daily use frequency, but the booster circuit still consumes the electric quantity of the battery component when the medium voltage equipment for the electric furniture is used for continuously using the low voltage equipment for the electric furniture every time.
Preferably, the power supply device for the electric furniture comprises a boosting and charging assembly, wherein the boosting and charging assembly is connected with the input end of the battery assembly, and the boosting and charging assembly is used for boosting and charging the battery assembly.
Preferably, the boost charging assembly comprises a charging circuit, a USB charging wire and a boost converter, wherein the input end of the charging circuit is connected with the USB charging wire, the output end of the charging circuit is connected with the input end of the boost converter, and the output end of the boost converter is connected with the input end of the battery assembly.
Preferably, the boost charging assembly comprises a boost charging circuit and a USB charging wire, an input end of the boost charging circuit is connected with the USB charging wire, and an output end of the boost charging circuit is connected with an input end of the battery assembly.
Preferably, the control module includes a state of charge indicator for indicating a boosted state of charge of the battery assembly.
Preferably, the battery assembly comprises a plurality of lithium batteries, the lithium batteries are connected in series, and the voltage provided by the lithium batteries is matched with the voltage required by low-voltage equipment for electric furniture.
An electric furniture comprises a power supply device for electric furniture as described above.
The beneficial technical effects of the utility model at least comprise: adopt a power supply unit for electric furniture and electric furniture, through combining the battery pack that will export low pressure with boost circuit, the battery pack that has realized exporting low pressure is direct for the low voltage equipment power supply that electric furniture was used, boost circuit carries out the low pressure of battery pack output simultaneously and steps up the back and supply power for the medium voltage equipment that electric furniture was used for electric furniture, make electric furniture have higher flexibility when facing the different voltage demands of different electric devices in the electric furniture, and need not to set up the group battery power supply additionally, electric furniture is used power supply unit's battery cost has been reduced by a wide margin, and the required installation space of battery pack in electric furniture has been reduced simultaneously.
Other features and advantages of the present utility model will be disclosed in the following detailed description of the utility model and the accompanying drawings.
Drawings
The utility model is further described with reference to the accompanying drawings:
Fig. 1 is a schematic structural view of a power supply device for electric furniture according to an embodiment of the present utility model.
Fig. 2 is a schematic structural view of a power supply device for electric furniture according to an embodiment of the present utility model.
Fig. 3 is a schematic structural view of a power supply device for electric furniture according to an embodiment of the present utility model.
Fig. 4 is a schematic structural view of a power supply device for electric furniture according to an embodiment of the present utility model.
Detailed Description
The technical solutions of the embodiments of the present utility model will be explained and illustrated below with reference to the drawings of the embodiments of the present utility model, but the following embodiments are only preferred embodiments of the present utility model, and not all embodiments. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present utility model.
In the following description, directional or positional relationships such as the terms "inner", "outer", "upper", "lower", "left", "right", etc., are presented for convenience in describing the embodiments and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.
Referring to fig. 1, a power supply device for electric furniture comprises a battery assembly 1, a boost circuit 2 and a control module 3, wherein the battery assembly 1 and the boost circuit 2 are electrically connected with the control module 3, the battery assembly 1 is connected with the boost circuit 2,
A battery assembly 1 for outputting a low voltage and supplying power to low voltage equipment for electric furniture;
A voltage boosting circuit 2 for boosting the low voltage output from the battery assembly 1 to a medium voltage required for a medium voltage device for electric furniture;
The control module 3 is used for receiving a control signal from a user and controlling the switch of the battery assembly 1 and the voltage output of the boost circuit 2 according to the control signal.
Wherein the battery assembly 1 is a higher voltage battery cell formed by connecting a plurality of battery cells together. In the present embodiment, the battery assembly 1 outputs a low voltage indicating that the number of battery cells in the battery assembly 1 is small.
In this embodiment, the low-voltage device for electric furniture refers to a device having an operating voltage of 12V or less, and the low-voltage device for electric furniture includes the following components in addition to a massager:
1. A heater: some powered furniture, such as powered massage armchair or seat heaters, may be equipped with low voltage heaters. These heaters typically operate in a lower voltage range to provide a comfortable heating effect.
2. An illumination system: some powered furniture, such as powered dressing tables or mirrors, may be equipped with a low voltage lighting system. These lighting systems typically operate in a lower voltage range, providing a soft lighting effect to meet the needs of the user.
3. Control panel: the piece of motorized furniture may be equipped with a low voltage control panel for user control and adjustment of the furniture functions. These control panels generally operate in a low voltage range and have touch or key operation modes.
4. A sensor: some piece of motorized furniture may be equipped with low voltage sensors for sensing user motion or environmental changes. These sensors typically operate in a lower voltage range to connect and interact with other low voltage devices.
In this embodiment, the medium voltage device for electric furniture refers to a device having an operating voltage of between 12V and 48V. Besides the electric push rod, the medium voltage equipment for the electric furniture comprises the following components:
1. an electric linear motor: an electric linear motor is a medium voltage device capable of converting rotary motion into linear motion, and is commonly used for lifting mechanisms in electric furniture, such as electric lifting tables, electric lifting chairs, and the like.
2. Electric cylinder: an electric cylinder is a medium voltage device capable of driving a piston to move by an electric motor, and is commonly used for a push-pull mechanism in electric furniture, such as an electric drawer, an electric door, and the like.
3. Electric servo system: an electric servo system is a medium voltage device capable of realizing accurate position control through an electric motor and a controller, and is generally used for parts needing high-precision positioning in electric furniture, such as adjustment of an electric bed, an electric control system and the like.
Taking an electric massage chair comprising an electric push rod of 29V and a massager of 12V as an example, the implementation method of the power supply device for the electric furniture of the embodiment is as follows: when a user presses a power on button, the control module 3 controls the battery assembly 1 to be started, the battery assembly 1 outputs 12V power to supply power to the 12V massager, meanwhile, when the battery assembly 1 outputs 12V power, the booster circuit 2 starts to output 29V voltage to supply power to the 29V electric push rod, when the electric push rod adjusts the chair back of the electric massage chair to a proper angle, the user presses the electric push rod to stop operating button, the output end of the booster circuit 2 has no external load, the booster circuit 2 enters a standby state, and in the standby state, the booster circuit 2 can still maintain the output voltage, but the output current can be reduced or is close to zero.
Through combining the battery pack 1 outputting low voltage with the boost circuit 2, the battery pack 1 outputting low voltage directly supplies power for low-voltage equipment for electric furniture, and meanwhile, the boost circuit 2 boosts the low voltage output by the battery pack 1 and supplies power for medium-voltage equipment for electric furniture, so that the power supply device for electric furniture has higher flexibility when facing different voltage demands of different electric devices in the electric furniture, and does not need to additionally provide battery pack power supply, thereby greatly reducing the battery cost of the power supply device for electric furniture and simultaneously reducing the installation space required by the battery pack 1 in the electric furniture.
In one embodiment of the present disclosure, referring to fig. 2, the power supply device for electric furniture includes a load detection unit 4, a control module 3 includes a sleep wake-up circuit 5, the load detection unit 4 is disposed at an output end of the boost circuit 2, the load detection unit 4 is connected to an input end of the sleep wake-up circuit 5, the load detection unit 4 is configured to detect a current load condition of the output end of the boost circuit 2 and transmit the current load condition to the sleep wake-up circuit 5, the battery assembly 1 and the boost circuit 2 are both electrically connected to the sleep wake-up circuit 5, and the sleep wake-up circuit 5 is configured to control a sleep/wake-up state of the boost circuit 2 according to the current load condition transmitted by the load detection unit 4.
The load detection unit 4 is used for detecting the current load of the medium voltage equipment for the electric furniture, and can monitor and measure the current consumed by the medium voltage equipment so as to monitor the power consumption and the service condition of the equipment in real time. The load detection unit 4 typically comprises a current sensor and associated circuitry for converting the current signal of the medium voltage device into a voltage or digital signal that can be read and processed by the system. Specifically, when the user presses the electric putter stop operation button to continue to use the massager, the booster circuit 2 enters a standby state in which the booster circuit 2 can still maintain the output voltage, but the output current may be reduced or close to zero, so that by detecting the current load of the medium voltage device for electric furniture, functions such as use condition analysis of the medium voltage device for electric furniture can be realized.
In this embodiment, the sleep wake-up circuit 5 adopts an existing sleep wake-up circuit 5 chip, such as MSP430 micro-controller series, STM32L micro-controller series, and the like. The sleep state of the booster circuit 2 is a low power consumption state to save energy. The awake state of the booster circuit 2 means that the booster circuit 2 is awakened from the sleep state, and is ready to resume the normal boosted operation state.
The medium voltage equipment for electric furniture generally has the characteristics of short single use time and low daily use frequency, for example, an electric push rod for adjusting the chair back angle of an electric massage chair can fall to the maximum leaning angle from an initial upright state only by more than ten seconds, but when the medium voltage equipment for electric furniture is used each time and the low voltage equipment for electric furniture is used continuously, the electric quantity of the battery assembly 1 still can be consumed by the booster circuit 2 in a standby state, therefore, the embodiment can reduce the power consumption of the battery by the booster circuit 2 when the battery is not used by arranging the dormancy wakeup circuit 5 and combining the load detection unit 4 while meeting the higher flexibility when facing different voltage requirements of different electric devices in the electric furniture, thereby further prolonging the service life of the battery and reducing the cost of the battery.
In one embodiment of the present disclosure, referring to fig. 3, the power supply device for electric furniture includes a boost charging assembly 6, where the boost charging assembly 6 is connected to an input terminal of the battery assembly 1, and the boost charging assembly 6 is configured to boost and charge the battery assembly 1.
In this embodiment, the boost charging assembly 6 is capable of boosting a lower input voltage to an output voltage suitable for battery charging to meet the voltage requirement required for charging the battery assembly 1.
By adopting the boost charging assembly 6 to boost charge the battery assembly 1, the battery can be charged by connecting the boost charging assembly 6 with the mobile phone charging head which has been widely popularized, and a special adapter is not required to be additionally configured, so that the cost of one adapter can be further saved for the electric furniture product. Specifically, the voltage output by the mobile phone charging head is usually low, for example, the standard USB charging head outputs 5V, while the battery assembly 1 in the electric furniture power supply device usually needs a high voltage, for example, a 3.7V lithium ion battery needs about 4.2V for charging, so the battery assembly 1 is boosted by the boost charging assembly 6, and the battery can be charged by connecting the boost charging assembly 6 with the mobile phone charging head which has been widely popularized.
In one embodiment of the present disclosure, the boost charging assembly 6 includes a charging circuit, a USB charging wire, and a boost converter, an input terminal of the charging circuit is connected to the USB charging wire, an output terminal of the charging circuit is connected to an input terminal of the boost converter, and an output terminal of the boost converter is connected to an input terminal of the battery assembly 1.
The USB charging wire is connected with a mobile phone charging head which is widely popularized. Boost converters (Boost converters) are a type of power Converter that converts a low voltage input to a high voltage output, which is a type of direct current-to-direct current (DC-DC) Converter commonly used in electronic devices to provide a desired voltage supply. Alternatively, the boost charging circuit 7 may be XL6019, MCP1640, MAX1726X, TPS61200, LTC3525, or the like.
In one embodiment of the present disclosure, referring to fig. 4, the boost charging assembly 6 includes a boost charging circuit 7 and a USB charging wire, an input terminal of the boost charging circuit 7 is connected to the USB charging wire, and an output terminal of the boost charging circuit 7 is connected to an input terminal of the battery assembly 1.
The USB charging wire is connected with a mobile phone charging head which is widely popularized. The boost charging circuit 7 is used to boost the lower input voltage to a high voltage suitable for charging the battery. For example, IP2325-3S is a commonly used lithium battery charging management chip, which has a boost function and can boost an input voltage to a required charging voltage.
In one embodiment of the present description, the control module 3 includes a state of charge indicator for indicating the boosted state of charge of the battery assembly 1.
Optionally, the charging state indicator may be an LED indicator, an indicator light combination, a digital display screen, an LCD screen, a buzzer, or the like, and the charging state indicator may be mounted at any position on a power supply device for electric furniture provided in this embodiment, so long as the charging state indicator can play a role in indicating a charging state for a user, which is not limited in this embodiment.
In one embodiment of the present description, the battery assembly 1 comprises a plurality of lithium batteries connected in series, the plurality of lithium batteries providing a voltage matching the voltage required by the low voltage device for electric furniture.
Compared with the existing power supply device for electric furniture, when the power supply device for electric furniture faces different voltage requirements of different electric devices, lithium batteries with different sections are required to be configured to supply power to the different electric devices, the power supply device for electric furniture provided by the embodiment only needs to adopt the lithium battery sections matched with the voltage required by low-voltage equipment for the electric furniture, can meet higher flexibility when the power supply device for electric furniture faces different voltage requirements of different electric devices, greatly reduces battery cost of the power supply device for electric furniture, and reduces installation space required by a battery assembly 1 in the electric furniture.
The specification also provides an electric furniture, comprising the power supply device for the electric furniture. The electric furniture may be an electric sofa, an electric bed, an electric leisure chair, or the like, which is not limited in this embodiment.
While the utility model has been described in terms of embodiments, it will be appreciated by those skilled in the art that the utility model is not limited thereto but rather includes the drawings and the description of the embodiments above. Any modifications which do not depart from the functional and structural principles of the present utility model are intended to be included within the scope of the appended claims.
Claims (8)
1. The power supply device for the electric furniture is characterized by comprising a battery assembly, a boost circuit and a control module, wherein the battery assembly and the boost circuit are electrically connected with the control module, the battery assembly is connected with the boost circuit,
The battery assembly is used for outputting low voltage and supplying power to low voltage equipment for electric furniture;
The boost circuit is used for boosting the low voltage output by the battery assembly to the medium voltage required by medium voltage equipment for electric furniture;
The control module is used for receiving a control signal from a user and controlling the switch of the battery assembly and the voltage output of the boost circuit according to the control signal.
2. A power supply device for electric furniture according to claim 1, characterized in that,
The power supply device for the electric furniture comprises a load detection unit, the control module comprises a dormancy awakening circuit, the load detection unit is arranged at the output end of the boost circuit, the load detection unit is connected with the input end of the dormancy awakening circuit and is used for detecting the current load condition of the output end of the boost circuit and transmitting the current load condition to the dormancy awakening circuit, the battery assembly and the boost circuit are electrically connected with the dormancy awakening circuit, and the dormancy awakening circuit is used for controlling the dormancy/awakening state of the boost circuit according to the current load condition transmitted by the load detection unit.
3. A power supply device for electric furniture according to claim 1 or 2, characterized in that,
The power supply device for the electric furniture comprises a boosting and charging assembly, wherein the boosting and charging assembly is connected with the input end of the battery assembly, and the boosting and charging assembly is used for boosting and charging the battery assembly.
4. A power supply device for electric furniture according to claim 3, characterized in that,
The boost charging assembly comprises a charging circuit, a USB charging wire and a boost converter, wherein the input end of the charging circuit is connected with the USB charging wire, the output end of the charging circuit is connected with the input end of the boost converter, and the output end of the boost converter is connected with the input end of the battery assembly.
5. A power supply device for electric furniture according to claim 3, characterized in that,
The boost charging assembly comprises a boost charging circuit and a USB charging wire, wherein the input end of the boost charging circuit is connected with the USB charging wire, and the output end of the boost charging circuit is connected with the input end of the battery assembly.
6. A power supply device for electric furniture according to claim 3, characterized in that,
The control module includes a state of charge indicator for indicating a boosted state of charge of the battery assembly.
7. A power supply device for electric furniture according to claim 1, characterized in that,
The battery assembly comprises a plurality of lithium batteries, the lithium batteries are connected in series, and the voltage provided by the lithium batteries is matched with the voltage required by low-voltage equipment for electric furniture.
8. An electrically powered furniture comprising a power supply device according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322554152.3U CN220857674U (en) | 2023-09-20 | 2023-09-20 | Power supply device for electric furniture and electric furniture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322554152.3U CN220857674U (en) | 2023-09-20 | 2023-09-20 | Power supply device for electric furniture and electric furniture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220857674U true CN220857674U (en) | 2024-04-26 |
Family
ID=90746780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322554152.3U Active CN220857674U (en) | 2023-09-20 | 2023-09-20 | Power supply device for electric furniture and electric furniture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220857674U (en) |
-
2023
- 2023-09-20 CN CN202322554152.3U patent/CN220857674U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213243599U (en) | BMS low-power consumption dormancy power supply control and awakening circuit | |
| CN108242839B (en) | Wireless earphone charging system and wireless earphone in system | |
| CN220857674U (en) | Power supply device for electric furniture and electric furniture | |
| CN101749835A (en) | Air conditioning controller with auxiliary control chip by utilizing solar battery and air-conditioning system thereof | |
| CN113013952A (en) | Control system, method and medium of portable equipment and tooth flushing device applied to control system | |
| CN110989424A (en) | Wireless low-power-consumption human body induction device and use method thereof | |
| CN208241001U (en) | A kind of power consumption control system based on Intelligent extension socket | |
| CN215734180U (en) | Photovoltaic inverter power-saving control system | |
| CN201966667U (en) | Portable intelligent emergency supply | |
| CN208094251U (en) | A kind of wireless charging mainboard with automatic sensing calibration | |
| CN208806636U (en) | A kind of cellular phone power supplies circuit | |
| CN218161841U (en) | Power supply control circuit, foot controller and surgical operation device | |
| CN113328453A (en) | Optical coupling switch dormancy awakening circuit and awakening method of low-voltage household energy storage system | |
| CN110371831B (en) | Dual-power supply system of elevator emergency device | |
| CN217305733U (en) | Zero-power-consumption standby awakening control system of electric medical bed | |
| CN220252419U (en) | Low-power consumption control circuit and control unit for touch key | |
| CN216739902U (en) | Intelligent toilet bowl power supply system | |
| CN111697875A (en) | Pedestrian flow treading pressure and noise energy collecting device in public place | |
| CN219609705U (en) | Energy-saving wake-up device and intelligent lock | |
| CN201237523Y (en) | Energy-saving electronic scale | |
| CN201167180Y (en) | Socket for monitoring wall electric energy | |
| CN211245227U (en) | Key type light wave maintenance equipment | |
| CN212941020U (en) | Light wave curing equipment | |
| CN219247508U (en) | Outdoor power supply | |
| TWI409669B (en) | Solar power supply device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |