Off-bed sensing night lamp device
By combining a sensor light module, a buzzer module, a radar module, and a data transmission module, the bed-leaving sensor night light device solves the problem of the single alarm method in the existing technology, realizes bed-leaving judgment and alarm in multiple scenarios, and meets different application needs.
Patent Information
- Application Number
- CN202520295300.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-02-24
AI Technical Summary
In existing bedside care, the judgment and alarm methods of infrared human body sensing are relatively simple, and they are not well adapted to quiet environments.
By combining a sensor light module, a buzzer module, a radar module, and a data transmission module with a main control chip, a bed-leaving sensor night light device is constructed, providing bed-leaving judgment and alarm methods in various scenarios, including buzzer alarm, sensor light warning, and human body leaving the bed detection by the radar module.
It enables multiple modes of bed-leaving alarms in various scenarios, meeting different needs and expanding the application scenarios of the bed-leaving sensor night light device.
Smart Images

Figure CN223798389U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to human body induction technical field, especially relate to a get off bed induction night lamp device. BACKGROUND
[0002] In the existing accompany bed nursing, usually adopts the way of infrared human body induction to detect whether the person being nursed leaves the bed and carries out the buzzer alarm, but the judgment and the alarm mode of the prior art are relatively single, and the buzzer alarm mode in some specific environment (such as the application scene needing quiet) undoubtedly has the problem of insufficient adaptability. CONTENT OF THE UTILITY MODEL
[0003] The utility model aims at providing a get off bed induction night lamp device, can provide circuit basis for the get off bed judgment and the get off bed alarm mode in a variety of scenes by the induction lamp module, buzzer module, radar module and data transmission module combination main control chip, can effectively solve the problem of the prior art alarm mode is relatively single, and widen the application scene of get off bed induction night lamp device.
[0004] The utility model solves its technical problem's solution is: provide a kind of get off bed induction night lamp device, including induction lamp shell and the control circuit board being located in the induction lamp shell interior, the control circuit board includes main control chip, and the induction lamp module, buzzer module, radar module and data transmission module connected with the main control chip;The induction lamp module includes first detection circuit and second detection circuit, and the first detection circuit is connected with the first induction lamp detection terminal of the main control chip, and the second detection circuit is connected with the second induction lamp detection terminal of the main control chip;The buzzer module is connected with the buzzer detection terminal of the main control chip and the induction lamp module, and the radar module includes antenna signal receiving interface and antenna signal transmitting interface, and the antenna signal receiving interface is connected with the signal receiving terminal of the radar module, and the antenna signal transmitting interface is connected with the signal sending terminal of the radar module;The data transmission module includes first data transmission interface and second data transmission interface, and the first data transmission interface is connected with the first data transmission terminal of the main control chip, and the second data transmission interface is connected with the second data transmission terminal of the main control chip.
[0005] Further, the induction lamp module further includes power supply module, the first detection circuit includes first induction lamp and first resistance, the first induction lamp is connected with the power supply module and the first resistance respectively, and the first resistance is connected with the first induction lamp detection terminal.
[0006] Further, the second detection circuit comprises a plurality of detection branches, each of the detection branches comprises a second induction lamp and a second resistor, the second induction lamp is connected with the power supply module and the second resistor respectively, and the second resistor is connected with the second induction lamp detection terminal.
[0007] Further, the power supply module comprises a power supply and a plurality of power supply branches, each of the power supply branches is connected with the first induction lamp and each of the second induction lamps respectively, and the power supply branch comprises two capacitors connected in parallel, and the two capacitors are connected with the power supply.
[0008] Further, the buzzer module comprises a first triode, a second triode and a buzzer, the source electrode of the first triode is connected with the second detection circuit, the drain electrode of the first triode is connected with the drain electrode of the second triode, the gate electrode of the second triode is connected with the buzzer detection terminal, and the source electrode of the second triode is connected with the buzzer.
[0009] Further, the off-bed induction night lamp device further comprises a Bluetooth module, the Bluetooth module comprises a crystal oscillator, a Bluetooth chip and a transmission protocol stack unit, two ends of the crystal oscillator are connected with a Bluetooth input interface and a Bluetooth output interface of the Bluetooth chip respectively, and the transmission protocol stack unit is connected with a protocol stack terminal of the Bluetooth chip.
[0010] The off-bed induction night lamp device provided by the utility model has the advantages that the first detection circuit and the second detection circuit of the induction lamp module can provide a logic circuit basis for off-bed judgment in various scenes, the buzzer module is connected with the buzzer detection terminal of the master control chip and the induction lamp module, off-bed induction of a human body is realized through the radar module, mutual transmission between signals is realized through the data transmission module, and the cared person can be alarmed by the buzzer, the corresponding induction lamp of the first detection circuit and the corresponding induction lamp of the second detection circuit after leaving the bed, so that the off-bed induction detection and alarm can meet the requirements of various scenes. BRIEF DESCRIPTION OF DRAWINGS
[0011] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly described. Obviously, the described drawings are only a part of the embodiments of the utility model, not all the embodiments, and the person skilled in the art can obtain other design schemes and drawings according to these drawings without paying creative labor.
[0012] Figure 1 The overall design drawing of the off-bed induction night lamp device provided by the embodiments of the utility model is shown in the figure.
[0013] Figure 2 The circuit design drawing of the control circuit board is provided for the embodiments of the present application.
[0014] Figure 3 The application implementation scene schematic diagram of the off-bed induction night lamp device is provided for the embodiments of the present application. DETAILED DESCRIPTION
[0015] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and not to limit the present application.
[0016] It should be noted that although the functional modules are divided in the system schematic diagram, and the logical order is shown in the flowchart, in some cases, the steps shown or described can be executed in a different order than the module division in the system or the order in the flowchart. The terms "first", "second", etc. in the specification and claims and the above drawings are used to distinguish similar objects, and do not necessarily describe a specific order or sequence.
[0017] According to an aspect of the embodiments of the present application, the present application provides an off-bed induction night lamp device, comprising an induction lamp shell and a control circuit board arranged inside the induction lamp shell, the control circuit board comprising a main control chip, an induction lamp module connected with the main control chip, a buzzer module, a radar module and a data transmission module; the induction lamp module comprises a first detection circuit and a second detection circuit, the first detection circuit is connected with a first induction lamp detection terminal of the main control chip, and the second detection circuit is connected with a second induction lamp detection terminal of the main control chip; the buzzer module is connected with a buzzer detection terminal of the main control chip and the induction lamp module, the radar module comprises an antenna signal receiving interface and an antenna signal transmitting interface, the antenna signal receiving interface is connected with a signal receiving terminal of the radar module, and the antenna signal transmitting interface is connected with a signal sending terminal of the radar module; the data transmission module comprises a first data transmission interface and a second data transmission interface, the first data transmission interface is connected with a first data transmission terminal of the main control chip, and the second data transmission interface is connected with a second data transmission terminal of the main control chip.
[0018] Specifically, reference can be made to Figure 1 and Figure 2 and Figure 3 as shown, Figure 1 is a whole structure diagram of the off-bed induction night lamp device, and can also be used as a schematic diagram of the induction lamp shell, Figure 2 is a circuit diagram of the control circuit board arranged inside the induction lamp shell;Figure 3 This is a schematic diagram of the implementation environment for the bed-leaving induction night light device of this utility model.
[0019] Through the antenna signal receiving interface RXD ( Figure 2 The radar module's RXD and antenna signal transmission interface ( Figure 2 The TXD of the radar module is connected to the signal receiving terminal and the signal transmitting terminal of the radar module, respectively. This allows the entire bed-leaving night light device to continuously transmit and receive radar signals through the antenna signal receiving interface and the antenna signal transmitting interface to determine whether there is a person being cared for on the bed. When the person being cared for is detected to have left the bed, the radar module sends the signal detected by the antenna signal receiving interface to the main control chip through the first data transmission interface in the data transmission module. The main control chip then performs bed-leaving detection.
[0020] Furthermore, the first detection circuit can be specifically as follows: Figure 2 The LED red in the induction lamp module, which is the circuit containing the LED red light, can be specifically described as follows: Figure 2 The LED yellow light in the sensor light module, which is the circuit containing the LED yellow light, provides a circuit basis for alarm methods and alarm logic by distinguishing between red and yellow lights. For example, if the LED yellow light is detected within 15 minutes after the person being cared for leaves the bed, the LED red light will be lit. It should be noted that the red and yellow lights are only illustrative examples of this utility model embodiment. In other embodiments, the color of the LED light is not limited and can also be green, blue, or other colors.
[0021] Furthermore, the first data transmission interface in the data transmission module can be Figure 2 In the U3, the IO2 module's second data transmission interface can be... Figure 2 In U3, IO3, the first data transmission interface IO2 and the second data transmission interface IO3 are respectively connected to the first data transmission terminal SD_DATA_3 of the main control chip U2, and the second data transmission interface is connected to the second data transmission terminal SD_DATA_2 of the main control chip U2.
[0022] Further, through the first detection circuit and the second detection circuit of the induction lamp module, logic circuit basis can be provided for bed leaving judgment in various scenes, meanwhile, the buzzer module is connected with the buzzer detection terminal of the main control chip and the induction lamp module, and the radar module is used for sensing the body leaving the bed, and the data transmission module is used for mutual transmission between signals, so that the cared person can alarm in one of the following three ways after leaving the bed: buzzer alarm, the first detection circuit corresponding induction lamp alarm and the second detection circuit corresponding induction lamp alarm, or any combination of alarm modes, thereby meeting the various scene requirements of bed leaving sensing detection and alarm.
[0023] In an embodiment of the present application, the induction lamp module further comprises a power supply module, the first detection circuit comprises a first induction lamp and a first resistor, the first induction lamp is connected with the power supply module and the first resistor respectively, and the first resistor is connected with the first induction lamp detection terminal.
[0024] Specifically, the power supply module can be specifically Figure 2 3V3 power supply in the induction lamp module, the first induction lamp LEDred is connected with the power supply module 3V3 and the first resistor R1 respectively, the first resistor R1 is connected with the first induction lamp detection terminal GPIO25 (14th port of the main control chip), and the whole first detection circuit can be formed.
[0025] In an embodiment of the present application, the second detection circuit comprises a plurality of detection branches, each detection branch comprises a second induction lamp and a second resistor, the second induction lamp is connected with the power supply module and the second resistor respectively, and the second resistor is connected with the second induction lamp detection terminal.
[0026] Specifically, the second induction lamp is Figure 2 LED yellow in the induction lamp module, and the second resistor is Figure 2 R2 in the induction lamp module, the second induction lamp LED yellow is connected with the power supply module 3V3 and the second resistor R2 respectively, the second resistor R2 is connected with the second induction lamp detection terminal GPIO26 (15th port of the main control chip), and the whole second detection circuit is formed in this way.
[0027] In an embodiment of the present application, the power supply module comprises a power supply and a plurality of power supply branches, each power supply branch is connected with the first induction lamp and each second induction lamp, the power supply branch comprises two capacitors connected in parallel, and the two capacitors are connected with the power supply.
[0028] Specifically, reference can be made to Figure 2The power supply module contains 7 power supply branches, each with the same structure. The structure and principle of each power supply branch will not be described in detail here. Only one power supply branch will be explained in detail in terms of structure and circuit principle.
[0029] First, the power supply branch includes two capacitors connected in parallel, and these two capacitors are respectively Figure 2 C20 and C21 are connected to a 3V3 power supply and ground respectively. The 3V3 power supply can be used to connect the first sensor lamp and each of the second sensor lamps, thereby providing power to the first detection circuit and the second detection circuit.
[0030] In one embodiment of this utility model, the buzzer module includes a first transistor, a second transistor, and a buzzer. The source of the first transistor is connected to the second detection circuit, the drain of the first transistor is connected to the drain of the second transistor, the gate of the second transistor is connected to the buzzer detection terminal, and the source of the second transistor is connected to the buzzer.
[0031] Specifically, the first transistor can be specifically as follows: Figure 2 Q1 of the buzzer module, the second transistor can be specifically as follows: Figure 2 In the buzzer module, Q2 is connected to the second detection circuit via the source of the first transistor Q1. The drain of the first transistor Q1 is connected to the drain of the second transistor Q2. The gate of the second transistor Q2 is connected to the buzzer detection terminal (port 42 of the main control chip). Therefore, it can detect high and low levels, i.e., Figure 2 The +L (high level) and -L (low level) pins in B1 control the buzzer's alarm.
[0032] In one embodiment of this utility model, the bed-leaving induction night light device further includes a Bluetooth module, which includes a crystal oscillator, a Bluetooth chip, and a transmission protocol stack unit; the two ends of the crystal oscillator are respectively connected to the Bluetooth input interface and the Bluetooth output interface of the Bluetooth chip, and the transmission protocol stack unit is connected to the protocol stack terminal of the Bluetooth chip.
[0033] Specifically, the crystal oscillator is Figure 2 The X2 shown here has a Bluetooth chip of... Figure 2 In U4, the transport protocol stack unit can be composed of Figure 2 The medium capacitors C28, C29, and C30 are combined with the GND of the Bluetooth chip U4 and the ANT of the Bluetooth chip U4's protocol stack.
[0034] By connecting the two ends of the crystal oscillator X2 to the Bluetooth input interface XIN and the Bluetooth output interface XOUT of the Bluetooth chip respectively, the entire bed-leaving motion night light device can establish a connection with the user's terminal device via the Bluetooth module.
[0035] In one embodiment of this utility model, the control circuit board further includes a power supply module, such as... Figure 2 The module shown consists of VCC, CHIP_PU, U0TXD, U0RXD, and GND.
[0036] In one embodiment of this utility model, the control circuit board further includes a switch module, meaning that the user can use the switch module to turn the entire bed-leaving motion-activated night light on or off. The switch module includes, for example,... Figure 2 The switch device KEI shown includes switch port 1 and switch port 2. When switch port 1 and switch port 2 are connected, the entire bed-leaving motion-activated night light device can be in the working state. Conversely, when switch port 1 and switch port 2 are disconnected, the entire motion-activated night light device can be in the off state.
[0037] In one embodiment of this utility model, the control circuit board further includes a USB interface module, which may specifically be... Figure 2 The module consists of a first USB interface CON1 and a second USB interface CON2. Through the USB interface module, users can update the control logic of the main control chip or transfer local data by plugging and unplugging the USB.
[0038] It should be noted that, although the various modules in this embodiment of the utility model are not interconnected... Figure 2 Figure 2 Figure 2 Figure 2 Figure 2 Figure 2 Figure 2 Figure 2 Figure 2 Figure 2 Figure 2 Figure 2 Figure 2 Figure 2 Figure 2 Figure 2 Figure The connection relationship is shown in the figure, but data can be transmitted between the modules through the GPIO interface. The main control chip includes multiple GPIO terminals such as GPIO23, GPIO18, GPIO19, GPIO22, GPIO25, GPIO26, GPIO27, GPIO5, GPIO16, and GPIO17, which proves that the interaction between the modules can be connected through the GPIO interface.
[0039] In summary, this utility model provides a bed-leaving sensor night light device. Through the first and second detection circuits of the sensor light module, it provides a logical circuit basis for bed-leaving judgment in various scenarios. Furthermore, by connecting the buzzer module to the buzzer detection terminal of the main control chip and the sensor light module, and using a radar module for bed-leaving sensing, and a data transmission module for signal transmission, it enables the monitored person to trigger one of three alarm methods—a buzzer alarm, a sensor light alarm corresponding to the first detection circuit, or a sensor light alarm corresponding to the second detection circuit—or any combination of alarm methods after leaving the bed. This satisfies the diverse needs of bed-leaving sensor detection and alarm in various scenarios.
[0040] The preferred embodiments of the present utility model have been described in detail above, but the utility model is not limited to the described embodiments. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present utility model, and these equivalent modifications or substitutions are all included within the scope defined by the claims of the present utility model.
Claims
1. A bed exit sensing night light device, characterized in that, The application relates to an off-bed induction night lamp device, which comprises an induction lamp shell and a control circuit board arranged in the induction lamp shell, wherein the control circuit board comprises a master control chip, an induction lamp module connected with the master control chip, a buzzer module, a radar module and a data transmission module; the induction lamp module comprises a first detection circuit and a second detection circuit; the first detection circuit is connected with a first induction lamp detection terminal of the master control chip; the second detection circuit is connected with a second induction lamp detection terminal of the master control chip; the buzzer module is connected with a buzzer detection terminal of the master control chip and the induction lamp module; the radar module comprises an antenna signal receiving interface and an antenna signal transmitting interface; the antenna signal receiving interface is connected with a signal receiving terminal of the radar module; the antenna signal transmitting interface is connected with a signal sending terminal of the radar module; the data transmission module comprises a first data transmission interface and a second data transmission interface; the first data transmission interface is connected with a first data transmission terminal of the master control chip; and the second data transmission interface is connected with a second data transmission terminal of the master control chip.
2. The out-of-bed sensing night light device of claim 1, wherein, The induction lamp module further comprises a power supply module; the first detection circuit comprises a first induction lamp and a first resistor; the first induction lamp is connected with the power supply module and the first resistor respectively; and the first resistor is connected with the first induction lamp detection terminal.
3. The out-of-bed sensing night light device of claim 2, wherein, The second detection circuit comprises a plurality of detection branches; each detection branch comprises a second induction lamp and a second resistor; the second induction lamp is connected with the power supply module and the second resistor respectively; and the second resistor is connected with the second induction lamp detection terminal.
4. The out-of-bed sensing night light device of claim 3, wherein, The power supply module comprises a power supply and a plurality of power supply branches; each power supply branch is connected with the first induction lamp and each second induction lamp respectively; and the power supply branch comprises two capacitors connected in parallel; and the two capacitors are connected with the power supply.
5. The out-of-bed sensing night light device of claim 3, wherein, The buzzer module comprises a first triode, a second triode and a buzzer; the source of the first triode is connected with the second detection circuit; the drain of the first triode is connected with the drain of the second triode; the gate of the second triode is connected with the buzzer detection terminal; and the source of the second triode is connected with the buzzer.
6. The out-of-bed sensing night light device of claim 1, wherein, The off-bed induction night lamp device further comprises a Bluetooth module; the Bluetooth module comprises a crystal oscillator, a Bluetooth chip and a transmission protocol stack unit; the two ends of the crystal oscillator are connected with a Bluetooth input interface and a Bluetooth output interface of the Bluetooth chip respectively; and the transmission protocol stack unit is connected with a protocol stack terminal of the Bluetooth chip.