CN112365677A - Intelligent pendant, infant monitoring method and system based on intelligent pendant - Google Patents
Intelligent pendant, infant monitoring method and system based on intelligent pendant Download PDFInfo
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- CN112365677A CN112365677A CN202011174071.5A CN202011174071A CN112365677A CN 112365677 A CN112365677 A CN 112365677A CN 202011174071 A CN202011174071 A CN 202011174071A CN 112365677 A CN112365677 A CN 112365677A
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- bluetooth
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
- G08B21/0266—System arrangements wherein the object is to detect the exact distance between parent and child or surveyor and item
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
Abstract
The application discloses an intelligent pendant, and an infant monitoring method and system based on the intelligent pendant, and belongs to the field of electronic control. The intelligent pendant mainly comprises a Bluetooth system level chip, a Bluetooth central device and a control module, wherein the Bluetooth system level chip is connected with the Bluetooth central device in a Bluetooth mode and receives a corresponding control instruction made by the Bluetooth central device according to distance information and a distance threshold value between the Bluetooth central device and the intelligent pendant; the controller executes a first prompt action according to the control instruction sent by the Bluetooth system-level chip. This application can judge in real time that intelligence hangs the actual distance between weighing down and the bluetooth central equipment, and then judges whether the infant is in apart from the threshold value, when the infant surpassed apart from the threshold value, intelligence hung the weighing down and made corresponding suggestion action, need not infant and/or head of a family and just can realize the head of a family to infant's effective control, reduces the risk that the infant wandered away or was abducted in public place.
Description
Technical Field
The application relates to the field of electronic control, in particular to an intelligent pendant, and an infant monitoring method and system based on the intelligent pendant.
Background
Along with the development of society and the progress of science and technology, the living standard of people is greatly improved compared with the prior art, and people like to take own children to leisure and entertainment places such as shopping malls, parks, playgrounds and the like to relax during leisure time, so that the lives of the people and the children are enriched. However, many potential safety hazards exist in these places, because the self-protection consciousness of the young children is weak, the children lack the prevention consciousness and the self-protection capability when moving in these places, meanwhile, the young children are weak, and are difficult to effectively resist against thieves when facing unsafe events such as malicious infringement of abducting children, and the existence of these unsafe factors encourages the willful act of abducting children to some extent, and brings heavy pain to more and more families. At present, the devices aiming at the outdoor safety protection of children on the market are mainly intelligent devices such as intelligent watches, mobile phones for children and the like. The user group of these devices is mainly directed to school-age children, i.e., school-age children over 6 years old who have language communication and character recognition capabilities, but for children under 6 years old who do not have the above capabilities, the above products are not suitable for young children because the functional operations of the products are complicated, the children need to have the language communication capability and the character recognition capability, and the requirements on the perfection degree of thinking are also certain. The current market has a great blank for the safety precaution device for the young children.
Disclosure of Invention
Aiming at the problems in the prior art, the application mainly provides an intelligent pendant, and an infant monitoring method and system based on the intelligent pendant.
The technical scheme adopted by the application is as follows: an intelligent pendant is provided, comprising: the Bluetooth system-level chip is connected with the Bluetooth central equipment in a Bluetooth mode and receives a corresponding control instruction made by the Bluetooth central equipment according to distance information and a distance threshold value between the Bluetooth central equipment and the intelligent pendant; and the controller is connected with the Bluetooth system-on-chip and executes the first prompt action according to the control command sent by the Bluetooth system-on-chip.
Another technical scheme adopted by the application is as follows: the utility model provides an infant monitoring method based on intelligent pendant, which comprises the following steps: the intelligent pendant establishes Bluetooth connection with the Bluetooth center equipment and receives a corresponding control instruction made by the Bluetooth center equipment according to distance information and a distance threshold between the Bluetooth center equipment and the intelligent pendant; the intelligent pendant executes a first prompt action according to the control instruction.
Another technical scheme adopted by the application is as follows: the intelligent pendant and the Bluetooth center device are connected in a Bluetooth mode and receive corresponding control instructions made by the Bluetooth center device according to distance information and a distance threshold value between the Bluetooth center device and the intelligent pendant; the intelligent pendant executes a first prompt action according to the control instruction.
The technical scheme of the application can reach the beneficial effects that: the method comprises the steps that a corresponding control instruction made by Bluetooth center equipment according to distance information and a distance threshold value between the Bluetooth center equipment and an intelligent pendant is received through a Bluetooth system-level chip; the controller executes a first prompt action according to the control instruction sent by the Bluetooth system-level chip. This application can judge in real time that intelligence hangs the distance between weighing down and the bluetooth central equipment, and then judges whether the infant is apart from the threshold value in, when the infant surpassed apart from the threshold value, intelligence hung the weight and made corresponding suggestion action, need not infant and/or head of a family and operate and just can realize the head of a family to infant's effective control, reduce the risk that the infant wandered away or was turned round to sell in public place.
Drawings
Fig. 1 is a schematic view of an embodiment of an intelligent pendant of the present application;
FIG. 2 is a schematic diagram of an embodiment of a method for monitoring a child based on an intelligent pendant according to the present application;
fig. 3 is a schematic diagram of an embodiment of an intelligent pendant-based child monitoring system according to the present application.
Detailed Description
The following detailed description of the preferred embodiments of the present application, taken in conjunction with the accompanying drawings, will provide those skilled in the art with a better understanding of the advantages and features of the present application, and will make the scope of the present application more clear and definite.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Fig. 1 shows an embodiment of an intelligent pendant according to the present application. In this embodiment, this application intelligence is hung and is weighed down and mainly includes: bluetooth system level chip. The Bluetooth system level chip establishes Bluetooth connection with the Bluetooth center equipment and receives a corresponding control instruction made by the Bluetooth center equipment according to distance information and a distance threshold value between the Bluetooth center equipment and the intelligent pendant.
In this specific embodiment, the bluetooth center device may be a mobile phone, a computer, an iPad, or a bluetooth watch, an intelligent pendant, an intelligent bracelet, an intelligent remote controller, etc. having the same function. Bluetooth central facilities hangs with intelligence and weighs down and establishes the bluetooth first and is connected, and the same reason can be classic bluetooth and connect, also can be the bluetooth low energy and connect.
Preferably, the bluetooth system-level chip adopts a BR8041 chip, and the chip integrates a low-power consumption Micro Control Unit (MCU), an RF transceiver, a baseband, a modem, a USB, a successive approximation analog-digital converter (SAR ADC) and 24 general input/output ports (GPIO), so that the bluetooth system-level chip can meet the requirements of serving as a main control chip and also meet the requirements of bluetooth connection. Compared with the traditional Bluetooth remote controller main control chip and the Bluetooth chip, the chip has the advantages that the circuit integration level designed by the chip is more optimized, the power consumption is lower than that of the traditional Bluetooth chip, and the price is lower.
Specifically, the intelligent pendant broadcasts first, that is, the intelligent pendant continuously transmits a broadcast signal at a broadcast interval of t, and each time a broadcast packet is transmitted, it may be referred to as a broadcast event. The intelligent pendant continuously sends broadcast signals to the Bluetooth center equipment. At the moment, the Bluetooth center device opens the Bluetooth in a system-Bluetooth interface, namely opens a radio frequency receiving window and waits for a system search result. If the radio frequency receiving window of the Bluetooth center equipment is successfully matched with the transmitting window sent by the broadcast, the Bluetooth center equipment receives the broadcast signal, and at the moment, the intelligent pendant can appear in the result list. Since the successful pairing or binding is a probability event, the bluetooth center device scans the intelligent pendant also is a probability event, that is, the bluetooth center device may only need one broadcast event to scan the intelligent pendant, or the bluetooth center device may need dozens of broadcast events or even more to scan the intelligent pendant. After the two devices are paired or bound, the Bluetooth center device sends a connection request, namely, the intelligent pendant is clicked in the Bluetooth interface, and the Bluetooth center device receives a data packet sent by the intelligent pendant, so that the two devices are successfully connected.
In this embodiment, the value of the distance threshold is not particularly limited. Parents can carry out corresponding setting according to the environment that actually is located. For example, in a densely populated public place, a distance threshold of 1 meter may be set; in a public place with sparse crowds, the distance threshold can be set to be 2-3 meters. Simultaneously, parents can set the distance threshold value for a plurality of times or set the distance threshold value in real time, exemplarily, the crowd is sparse in the park, the distance threshold value is set to be 3 meters, and then the distance threshold value is reset to be 1 meter when the children enter a market, so that the children can be monitored in real time, and the limit of the distance threshold value is overcome.
Specifically, bluetooth signal strength RSSI represents signal strength in a wireless network, which decays as distance increases. The RSSI is too low, which indicates that the signal received by the intelligent pendant is too weak, and the two Bluetooth devices are possibly disconnected at any time.
In the prior art, when the bluetooth center device scans the smart pendant, the lower protocol stack will report an event to the upper layer, and the carried parameters include an RSSI. Because the RSSI changes in each connection event, after the two devices are connected, the LLC of the data link layer of the bluetooth center device sends an RSSI query request, the LLC starts the received power integrating circuit (physical layer), and when the circuit works and prepares data, a completion event is given to the upper layer, and the RSSI can be obtained by the carried parameters.
In the prior art, the estimated distance between two bluetooth devices can be obtained by the following formula: d ═ 10^ ((abs (rssi) -a)/(10 × n)), where: d represents the calculated distance, RSSI represents the received signal strength (negative), a represents the signal strength at1 meter separation between the transmitting and receiving ends, and n represents the ambient attenuation factor. The A value and the n value can be obtained only by field testing continuously, the environmental attenuation factors of different fields are different, and even the environmental attenuation factors are influenced to a great extent by the obstruction of objects in the same field. However, the default values of the parameters A and n are set at the same site, so that the relative distance between two Bluetooth devices can be roughly calculated.
In this specific embodiment, the bluetooth center device sets a distance threshold, i.e. a safe distance range, with the intelligent pendant, and when the bluetooth center device is successfully connected with the intelligent pendant, the bluetooth center device monitors the bluetooth signal intensity between the bluetooth center device and the intelligent pendant in real time. Thereby can carry out above-mentioned calculation according to bluetooth signal strength and obtain the actual distance between bluetooth central equipment and the intelligence pendant, judge whether actual distance is greater than the distance threshold value, if be greater than the distance threshold value, this explains that the infant surpasss the safe distance scope, and is great with the head of a family's distance, is unfavorable for infant's safety, generates corresponding control command this moment and sends and hang the pendant for intelligence, if when being less than or equal to the distance threshold value, then explains that the infant is in the safe distance scope, does not generate control command this moment. This embodiment is through calculating the actual distance that bluetooth center equipment and intelligence hung between the weight in real time, need not the head of a family and/or infant and carries out any operation, can effectually solve the problem of infant's operation difficulty to realize the head of a family to infant's supervision.
In this embodiment, bluetooth central equipment can real-time supervision bluetooth signal strength to reach the actual distance that bluetooth central equipment and intelligence hung between weighing down, can effectively judge whether the infant is in safe within range, can supervise the infant effectively.
In the specific embodiment shown in fig. 1, the intelligent pendant of the present application further comprises: and a controller. The controller is connected with the Bluetooth system-level chip and executes a first prompt action according to a control instruction sent by the Bluetooth system-level chip.
In a specific embodiment of the present application, the controller includes: and a vibration module. The vibration module is used for making vibration prompts according to control instructions sent by the Bluetooth system-level chip when the distance between the intelligent pendant and the Bluetooth central equipment is greater than a distance threshold value.
In this embodiment, when the infant exceeds the distance threshold, the bluetooth system-level chip sends a control command to the vibration module, so that the vibration module can give a vibration prompt to warn surrounding people and lawbreakers.
In a specific embodiment of the present application, the controller includes: a flash module. The flash lamp module is used for making a flash prompt according to a control instruction sent by the Bluetooth system-level chip when the distance between the intelligent pendant and the Bluetooth central equipment is greater than a distance threshold value.
In this embodiment, the flash module primarily employs a hernia lamp as the light source. Because the flash effect of the hernia lamp is stronger than the light sensation of the traditional LED, the xenon lamp can give obvious warning to surrounding people and lawbreakers when used as an alarm prompt.
In a specific embodiment of the present application, the controller includes: and a voice module. The voice module comprises a main control chip and a loudspeaker, wherein the main control chip plays a preset alarm prompt tone file through the loudspeaker according to a control instruction sent by the Bluetooth system-level chip.
Preferably, the main control chip adopts a JQ6500 chip as a processing chip of voice signals, the main control chip is an MP3 chip capable of providing a serial port interface, and hard decoding of MP3 and WMV is perfectly integrated. Meanwhile, TF card driving is supported, the computer is supported to directly update the content of the SPI FLASH, and FAT16 and FAT32 file systems are supported. The functions of playing appointed music, playing music and the like can be completed through a simple serial port instruction. Utilize this main control chip to link to each other with bluetooth system level chip, transmit this main control chip with bluetooth system level chip's control command, this main control chip plays the warning prompt tone file that inside predetermines through inside speaker according to control command, can give people and lawbreaker around with obvious warning.
In a specific embodiment of the present application, the intelligent pendant further comprises: a battery module is provided. The battery module is respectively connected with the Bluetooth system-level chip and the controller, and the battery module is used for providing power for the Bluetooth system-level chip and the controller.
In this embodiment, the bluetooth system on chip is further configured to collect power information of the battery module in real time, and send the power information to the bluetooth center device. Can make the head of a family know the in service behavior that intelligence hung weighs down the electric quantity at any time like this, hang weighing down in time to charge for intelligence when the electric quantity is lower, guarantee that the infant is wearing in-process electric quantity sufficient, satisfy anticipated safety function.
In the specific embodiment shown in fig. 1, the distance between the intelligent pendant and the bluetooth center device can be determined in real time, and then whether the infant is within the distance threshold value is determined, when the infant exceeds the distance threshold value, the intelligent pendant makes a corresponding prompt action, so that parents can effectively monitor the infant without operating the infant and/or the parents, and the risk that the infant is lost or sold in public places is reduced. The utility model provides an intelligence is hung and is weighed down and compare with traditional intelligent wrist-watch, smart mobile phone, the infant's of the low age use of being more convenient for need not the infant of the low age and operates, and the whole hardware cost that weighs down is hung to intelligence simultaneously very cheap than intelligent wrist-watch, can satisfy different consumer groups' demand.
Fig. 2 shows an embodiment of a child monitoring method based on an intelligent pendant according to the present application. In this embodiment, the infant monitoring method based on the intelligent pendant of the present application includes step S201. The method mainly comprises the following steps: the intelligent pendant establishes Bluetooth connection with the Bluetooth center equipment and receives a corresponding control instruction made by the Bluetooth center equipment according to distance information and a distance threshold between the Bluetooth center equipment and the intelligent pendant.
In a specific embodiment of the present application, the intelligent pendant mainly comprises: bluetooth system level chip. The Bluetooth system level chip establishes Bluetooth connection with the Bluetooth center equipment and receives a corresponding control instruction made by the Bluetooth center equipment according to distance information and a distance threshold value between the Bluetooth center equipment and the intelligent pendant.
Specifically, the process is similar to the principle of the embodiment shown in fig. 1, and is not described in detail here.
In the specific embodiment shown in fig. 2, the intelligent pendant-based infant monitoring method of the present application further includes step S202. The method mainly comprises the following steps: the intelligent pendant executes a first prompt action according to the control instruction.
In a specific embodiment of the present application, the intelligent pendant further comprises: and a controller. The controller is connected with the Bluetooth system-level chip and executes a first prompt action according to a control instruction sent by the Bluetooth system-level chip.
In a specific embodiment of the present application, the controller includes: and a vibration module. The vibration module is used for making a vibration prompt according to a control instruction when the distance between the intelligent pendant and the Bluetooth center equipment is greater than a distance threshold value.
In a specific embodiment of the present application, the controller includes: a flash module. The flash lamp module is used for making a flash prompt according to a control instruction when the distance between the intelligent pendant and the Bluetooth central equipment is greater than a distance threshold value.
In a specific embodiment of the present application, the controller includes: and a voice module. The voice module comprises a main control chip and a loudspeaker, wherein the main control chip plays a preset alarm prompt sound file through the loudspeaker according to a control instruction.
In one embodiment of the present application, the infant monitoring method based on the intelligent pendant further includes: and the Bluetooth central equipment executes a second prompt action according to the control command.
In this embodiment, when the child exceeds the distance threshold, the smart pendant will make at least one of a vibration prompt, a flashing light prompt, and a voice prompt, and the bluetooth hub device will also make at least one of a vibration prompt, a flashing light prompt, and a voice prompt, thereby prompting the parent that the child is not within the distance threshold, i.e., the safe distance range. Wherein the bluetooth center equipment flash light also can adopt the hernia lamp as the light source.
In a specific embodiment of the present application, the smart pendant comprises: a battery module is provided. The battery module provides power for the intelligent pendant.
In the specific embodiment, the intelligent pendant sends the electric quantity information of the battery module collected in real time to the bluetooth center device, so that the bluetooth center device judges whether the electric quantity information of the battery module is less than or equal to a preset electric quantity value, and if the electric quantity information of the battery module is less than or equal to the preset electric quantity value, a prompt message is sent.
Specifically, bluetooth central facilities can set up a preset electric quantity value, and when intelligence hung during battery module's electric quantity information less than or equal to preset electric quantity value, then bluetooth central facilities sends the prompt message. Such as at least one of a vibration cue, a flashing cue, and a voice cue. Can make the head of a family know the in service behavior that intelligence hung the weight electric quantity at any time like this, the suggestion householder hangs the weight in time to charge for intelligence when the electric quantity is lower, guarantees that the infant is wearing the in-process electric quantity sufficient, satisfies anticipated safety function.
Fig. 3 shows an embodiment of an intelligent pendant-based child monitoring system of the present application. In the specific embodiment, the infant monitoring system based on the intelligent pendant comprises the intelligent pendant and a Bluetooth center device, wherein the intelligent pendant establishes Bluetooth connection with the Bluetooth center device and receives a corresponding control instruction made by the Bluetooth center device according to distance information and a distance threshold between the Bluetooth center device and the intelligent pendant; the intelligent pendant executes a first prompt action according to the control instruction.
The intelligent pendant-based infant monitoring system provided by the application can be used for executing the intelligent pendant-based infant monitoring method described in any one of the above embodiments, and the implementation principle and the technical effect are similar, and are not repeated herein.
In another embodiment of the present application, a computer-readable storage medium having computer instructions stored thereon is further characterized in that the computer instructions are operable to perform the intelligent pendant-based child monitoring method described in any of the embodiments.
In another embodiment of the present application, a program product includes a computer program stored in a readable storage medium, from which the computer program can be read by a processor, and the processor executes the computer program to perform the method for monitoring a child based on a smart pendant as described in any of the embodiments.
Each functional unit in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
A software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium.
The Processor may be a Central Processing Unit (CPU), other general-purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA), other Programmable logic devices, discrete Gate or transistor logic, discrete hardware components, or any combination thereof. A general purpose processor may be a microprocessor, but in the alternative, the processor may be any conventional processor, controller, microcontroller, or state machine. A processor may also be implemented as a combination of computing devices, e.g., a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a DSP core, or any other such configuration. In the alternative, the storage medium may be integral to the processor. The processor and the storage medium may reside in an ASIC. The ASIC may reside in a user terminal. In the alternative, the processor and the storage medium may reside as discrete components in a user terminal.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and all equivalent structural changes made by using the contents of the specification and the drawings, which are directly or indirectly applied to other related technical fields, are included in the scope of the present application.
Claims (10)
1. An intelligent pendant, comprising:
the Bluetooth system-level chip is connected with Bluetooth center equipment in a Bluetooth mode and receives a corresponding control instruction made by the Bluetooth center equipment according to distance information and a distance threshold value between the Bluetooth center equipment and the intelligent pendant;
and the controller is connected with the Bluetooth system-level chip and executes a first prompt action according to the control instruction sent by the Bluetooth system-level chip.
2. The intelligent pendant of claim 1 wherein said controller comprises: at least one of a vibration module, a flash module, and a voice module, wherein
The vibration module is used for making a vibration prompt according to the control instruction;
the flash lamp module is used for making flash prompt according to the control instruction;
the voice module comprises a main control chip and a loudspeaker, wherein the main control chip plays a preset alarm prompt tone file through the loudspeaker according to the control instruction.
3. The intelligent pendant of claim 2 wherein said flash light module employs a xenon lamp as a light source.
4. The intelligent pendant of claim 1 further comprising: and the battery module is respectively connected with the Bluetooth system-level chip and the controller and is used for providing power for the Bluetooth system-level chip and the controller.
5. The intelligent pendant according to claim 4, wherein said Bluetooth system-on-chip is further configured to send the real-time collected power information of said battery module to said Bluetooth central device.
6. An infant monitoring method based on an intelligent pendant is characterized by comprising the following steps:
the intelligent pendant establishes Bluetooth connection with Bluetooth center equipment and receives a corresponding control instruction made by the Bluetooth center equipment according to distance information and a distance threshold between the Bluetooth center equipment and the intelligent pendant;
the intelligent pendant executes a first prompt action according to the control instruction.
7. The intelligent pendant-based infant monitoring method of claim 6, further comprising: and the Bluetooth central equipment executes a second prompt action according to the control command.
8. The intelligent pendant-based infant monitoring method of claim 6, wherein the intelligent pendant comprises a battery module, wherein the battery module provides power to the intelligent pendant.
9. The infant monitoring method based on the intelligent pendant according to claim 8, wherein the intelligent pendant sends the electric quantity information of the battery module collected in real time to the bluetooth center device, so that the bluetooth center device determines whether the electric quantity information of the battery module is less than or equal to a preset electric quantity value, and if the electric quantity information is less than or equal to the preset electric quantity value, sends a prompt message.
10. An infant monitoring system based on an intelligent pendant is characterized by comprising the intelligent pendant and a Bluetooth center device, wherein,
the intelligent pendant establishes Bluetooth connection with the Bluetooth center equipment and receives a corresponding control instruction made by the Bluetooth center equipment according to distance information and a distance threshold between the Bluetooth center equipment and the intelligent pendant;
the intelligent pendant executes a first prompt action according to the control instruction.
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| CN202011174071.5A CN112365677A (en) | 2020-10-28 | 2020-10-28 | Intelligent pendant, infant monitoring method and system based on intelligent pendant |
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| CN109862506A (en) * | 2019-02-26 | 2019-06-07 | 出门问问信息科技有限公司 | A kind of alarm method based on Bluetooth signal, device and electronic equipment |
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