阅读说明：本技术 一种可分离式充电的电子手铐 (Separable charging electronic handcuffs ) 是由 顾伟 磨善鹏 任志勇 于 2020-04-10 设计创作，主要内容包括：本发明提供了一种可分离式充电的电子手铐,包括受电端和给电端,给电端与受电端通过可拆卸方式连接且通过触点连接的方式实现充电及通信。给电端设置有电池与识别模块,受电端设置有识别、通信模块和定位模块,可以实时检测位置信息。受电端还设置有各类传感器,能够实时检测人员的生理信息。本发明解决在押人员电子手铐集中充电所需的场所、设备与管理问题,集中充电装置可以实现小型化便于安装与管理,同时可以实现设备的定位和人员生理信息的检测。(The invention provides a detachable charging electronic handcuff which comprises a power receiving end and a power supply end, wherein the power supply end is detachably connected with the power receiving end and realizes charging and communication in a contact connection mode. The power supply end is provided with a battery and an identification module, and the power receiving end is provided with an identification module, a communication module and a positioning module, so that the position information can be detected in real time. The power receiving end is also provided with various sensors which can detect physiological information of personnel in real time. The centralized charging device solves the problems of places, equipment and management required by centralized charging of the electronic handcuffs of escorting personnel, can realize miniaturization, is convenient to install and manage, and can realize the positioning of the equipment and the detection of the physiological information of the personnel.)

1. The detachable charging electronic handcuffs are characterized by comprising power receiving ends (2) and power supplying ends (1), wherein the power receiving ends (2) comprise second functional circuits and second power supplies for supplying power to the second functional circuits, and the power supplying ends (1) comprise first functional circuits and first power supplies for supplying power to the first functional circuits; the power supply device is characterized in that the power supply end (1) is connected with the power receiving end (2) in a detachable mode, the first power supply is charged through the second power supply in a contact connection mode, and the first power supply is charged through an external power supply device.

2. The detachable charging electronic handcuffs according to claim 1, wherein the power receiving end (2) comprises a second housing (25), the second housing (25) is provided with a top bar (23), a lock hole (22) and a second contact (24); the power supply terminal (1) comprises a first shell (14) and a first contact arranged on the surface of the first shell (14) and used for being connected with the second contact (24) in a contact connection mode, a lock cylinder (11) is further arranged inside the first shell (14), and the lock cylinder (11) is arranged inside the first shell (14) so that the electronic handcuffs can be combined when the lock cylinder (11) slides and can be inserted into the lock hole (22) and/or separated when the lock cylinder (11) is pulled out of the lock hole; a limiting hole for the ejector rod (23) to pass through is formed in the first shell (14), a spring (12) and a sliding rod (13) are further arranged in the first shell (14), one end of the spring (12) is fixed in the first shell (14), and the other end of the spring is connected with the sliding rod (13); the sliding rod (13) coincides with a contact surface of the ejector rod (23) when the electronic handcuffs are combined, the sliding rod (13) penetrates through the limiting hole under the action of the spring (12) when the electronic handcuffs are separated, and the lock cylinder (11) is further provided with an opening (111) through which the sliding rod (13) and the ejector rod (23) pass.

3. The detachable charged electronic handcuffs according to claim 2, wherein a permanent magnet (221) is disposed in the lock hole (22), and the lock cylinder (11) is made of metal that can be attracted by the permanent magnet.

4. The detachable chargeable electronic handcuffs according to claim 1, wherein the first functional circuit and the second power supply are disposed in the second housing (25), the functional circuit comprises an NFC module, a sensor, a second wireless communication module, a second positioning module and a second host controller, and the second host controller is connected to the NFC module, the sensor, the second wireless communication module and the second positioning module respectively; the second power supply supplies power to the second master controller, the NFC module, the sensor, the second wireless communication module and the second positioning module and is supplied with power by the power supply end (1) in a contact connection mode.

5. The detachable chargeable electronic handcuffs according to claim 1, wherein the second functional circuit and the first power source are disposed in the first housing (14), the first functional circuit comprises an RFID module, a first wireless communication module, a first positioning module and a first main controller, and the first main controller is connected to the RFID module, the first wireless communication module and the first positioning module respectively; the first power supply is the first main controller, the RFID module, the first wireless communication module and the first positioning module supply power and charge the power receiving end (2) in a contact connection mode, and the first power supply is charged through an external charging device (3).

6. The detachable charged electronic handcuffs according to claim 4, wherein the sensors comprise a temperature sensor, a human body induction sensor, a blood pressure sensor, a heart rate sensor, a blood oxygen sensor and an acceleration sensor.

7. The detachable charging electronic handcuffs according to claim 4 or 5, wherein the second wireless communication module and/or the first wireless communication module adopts any one or combination of NFC, serial port and USB interface communication.

8. The detachable charging electronic handcuffs as claimed in claim 4 or 5, wherein the second wireless communication module adopts any one or more of bluetooth, UWB, Wi-Fi, Zigbee, L ORA, NB-IOT and 5G technologies to realize indoor positioning and communication, and the first positioning module adopts a GPS positioning chip and/or a Beidou positioning chip.

9. The detachable chargeable electronic handcuffs according to claim 4 or 5, wherein the second wireless communication module, the second positioning module and the second main controller and/or the first wireless communication module, the first positioning module and the first main controller adopt any one or combination of CC2530 and CC2540 chips.

10. The detachable charging electronic handcuffs according to claim 4, wherein the second housing (25) is further provided with a button (21), the second functional circuit further comprises an alarm circuit, and the button (21) is used for triggering the alarm circuit to realize an active alarm function.

Technical Field

The invention relates to the field of wearable electronic products, and particularly discloses detachable charging electronic handcuffs.

Background

For the prisoners or the people who forcibly abstain from drugs, the electronic handcuffs are popularized and applied due to the functions of real-time positioning, motion mode identification, identity identification and the like.

The supervisor also hopes that the electronic handcuffs have the heart rate detection function, and obtains the vital sign information of the prisoner, so as to realize early discovery of abnormal behaviors such as suicide and the like and continuous recording of body rehabilitation data. But the realization of heart rate detection function brings the increase of energy consumption, leads to electron handcuffs to need to make chargeable electronic product, to people's normal life, work scene, the electronic product's such as bracelet, wrist-watch, cell-phone habit of charging is common, but to escorting criminal personnel, it is a difficult and troublesome thing to "charge" for electron handcuffs: 1) because of safety management, the charger cannot be issued to individuals and can only be used for organizing charging in a collective way, and the charging equipment is inconvenient to install in each prison and can only be arranged in a centralized place, so that the requirement on the area of the place is met; 2) due to the reason of safety management, the electronic handcuffs can not be taken down for charging and need to be worn on the hands for charging, so that requirements on charging equipment are met; 3) there is a possibility of intentionally not fully charging or destroying the device to escape the supervision, which brings extra management workload to the charging process of the electronic handcuffs. These factors limit the expansion and application of the electronic handcuffs.

Disclosure of Invention

The invention aims to provide a detachable charging electronic handcuff to solve the technical defects that the charging of the electronic handcuff is difficult to monitor, new functions such as real-time heart rate monitoring are difficult to apply in the prior art.

In order to achieve the above object, the present invention provides a detachable charging electronic handcuff, comprising a power receiving end and a power supplying end, wherein the power receiving end comprises a second functional circuit and a second power supply for supplying power thereto, and the power supplying end comprises a first functional circuit and a first power supply for supplying power thereto; the power supply end is connected with the power receiving end in a detachable mode, the first power supply supplies power to the second power supply in a contact connection mode, and the first power supply supplies power through an external power supply device.

Preferably, the power receiving end comprises a second shell, and the second shell is provided with a mandril, a lock hole and a second contact; the power supply end comprises a first shell and a first contact which is arranged on the surface of the first shell and used for being connected with a second contact in a contact connection mode, a lock cylinder is further arranged in the first shell, and the lock cylinder is slidably arranged in the first shell so that when the lock cylinder slides, the electronic handcuffs can be combined when being inserted into the lock hole and/or separated when being pulled out of the lock hole; a limiting hole for the ejector rod to pass through is formed in the first shell, a spring and a sliding rod are arranged in the first shell, one end of the spring is fixed in the first shell, and the other end of the spring is connected with the sliding rod; the slide bar is superposed with the contact surface of the ejector rod when the electronic handcuffs are combined, the slide bar passes through the limiting hole under the action of the spring when the electronic handcuffs are separated, and the lock cylinder is further provided with a hole for the slide bar and the ejector rod to pass through.

Preferably, a permanent magnet is arranged in the lock hole, and the lock cylinder is made of metal which can be adsorbed by the permanent magnet.

Preferably, the second functional circuit and the second power supply are arranged in the second housing, the functional circuit comprises an NFC module, a sensor, a wireless communication module, a positioning module and a second host controller, and the second host controller is connected with the NFC module, the sensor, the second wireless communication module and the second positioning module respectively; the second power supply supplies power to the second main controller, the NFC module, the sensor, the second wireless communication module and the second positioning module and is supplied power to the power supply end in a contact connection mode.

Preferably, the first functional circuit and the first power supply are arranged in the first shell, the first functional circuit comprises an RFID module, a first wireless communication module, a first positioning module and a first main controller, and the first main controller is respectively connected with the RFID module, the first wireless communication module and the first positioning module; the first power supply supplies power to the first main controller, the RFID module, the first wireless communication module and the first positioning module and supplies power to the power receiving end in a contact connection mode, and the first power supply supplies power through the external charging device.

Preferably, the sensors include temperature sensors, body-sensing sensors, blood pressure sensors, heart rate sensors, blood oxygen sensors and acceleration sensors.

Preferably, the second wireless communication module and/or the first wireless communication module adopt one or a combination of several of NFC, serial port and USB interface modes for communication.

Preferably, the second wireless communication module adopts any one or more of Bluetooth, UWB, Wi-Fi, Zigbee, L ORA, NB-IOT and 5G technologies to realize indoor positioning and communication, and the first positioning module adopts a GPS positioning chip and/or a Beidou positioning chip.

Preferably, the second wireless communication module, the second positioning module and the second main controller and/or the first wireless communication module, the first positioning module and the first main controller adopt any one or combination of CC2530 and CC2540 chips.

Preferably, the second shell is further provided with a key, the second functional circuit further comprises an alarm circuit, and the key is used for triggering the alarm circuit to realize an active alarm function.

The invention has the following beneficial effects:

1. the invention solves the problems of places and equipment required by centralized charging, and the centralized charging device can realize miniaturization and reuse, saves space and is convenient to install.

2. The invention realizes the management and control of charging behaviors, accurately finds the problems of uncharged/not taken away/not correctly worn batteries, incomplete charging and the like of people, can inform and alarm the people and the supervision personnel, and realizes the discovery and alarm of behaviors of intentionally not fully charging or destroying equipment to avoid supervision and the like.

3. The separated design of the invention ensures that the electronic handcuffs do not need to be taken off and worn on hands for charging in the charging process.

4. The invention ensures that the battery is always in an electronic and mechanical structure controlled state in the charging and wearing processes, and the phenomenon that the battery is taken away independently can not occur.

5. The separated design of the invention expands the function selection and the scene application, prisoners can use indoor positioning technologies such as Bluetooth, UWB (ultra wide band), Wi-Fi, Zigbee, RFID and the like in prisons, and prisoners can select modules with GPS/Beidou satellite positioning functions when working outside prisoners or hospitalizing.

6. The separated design of the invention expands the function selection and the scene application, can realize the real-time monitoring and recording of vital signs such as heart rate, blood pressure, body temperature and the like, can early find the conditions such as suicide, sudden death, fever and the like, and can record and analyze the physical recovery condition of drug addicts.

The present invention will be described in further detail below with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a block diagram illustrating a system structure of a detachable charging electronic handcuff according to a preferred embodiment of the present invention;

FIG. 2 is a schematic view of the exterior of a first housing and the interior of a second housing provided in accordance with a preferred embodiment of the present invention;

FIG. 3 is a schematic diagram of a combination of a power receiving terminal and a power feeding terminal provided in the preferred embodiment of the present invention;

FIG. 4 is a schematic diagram showing the separation of the power receiving terminal and the power feeding terminal provided in the preferred embodiment of the present invention;

FIG. 5 is a schematic diagram of the locking of the power receiving end and the power feeding end provided by the preferred embodiment of the present invention;

fig. 6 is a circuit configuration diagram of a first main controller and a second main controller according to a preferred embodiment of the present invention;

FIG. 7 is a block diagram of a power supply circuit for the first power supply and the second power supply provided in the preferred embodiment of the present invention;

fig. 8 is a diagram showing a configuration of a display circuit of the first power supply and the second power supply according to the preferred embodiment of the present invention;

FIG. 9 is a block diagram of a temperature sensor circuit provided in accordance with a preferred embodiment of the present invention;

fig. 10 is a circuit structure diagram of a human body induction sensor according to a preferred embodiment of the present invention;

fig. 11 is a circuit configuration diagram of an acceleration sensor according to a preferred embodiment of the present invention;

FIG. 12 is a block diagram of a heart rate and blood oxygen sensor circuit according to a preferred embodiment of the present invention;

fig. 13 is a circuit structure diagram of an NFC module according to a preferred embodiment of the present invention;

FIG. 14 is a block diagram of an alarm circuit provided in accordance with a preferred embodiment of the present invention;

fig. 15 is a schematic diagram illustrating a process of combining an external charging device with a combined power receiving terminal and power feeding terminal according to a preferred embodiment of the present invention;

fig. 16 is a schematic diagram illustrating a combination state of an external charging device and a combination of a power receiving terminal and a power feeding terminal according to a preferred embodiment of the present invention.

In the figure, 1, a power supply end; 11. a lock cylinder; 111. opening a hole; 12. a spring; 13. a slide bar; 14. a first housing; 2. a power receiving end; 21. pressing a key; 22. a lock hole; 221. a permanent magnet; 23. a top rod; 24. a second contact; 25. a second housing; 3. an external charging device; 31. a microswitch; 32. an electromagnet; 33. a tank body.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

The invention provides a detachable charging electronic handcuff, which comprises a power receiving end 2 and a power supplying end 1, wherein the power receiving end 2 comprises a second functional circuit and a second power supply for supplying power to the second functional circuit, and the power supplying end 1 comprises a first functional circuit and a first power supply for supplying power to the first functional circuit; give electric end 1 and receive electric end 2 and be connected through the mode that can dismantle the mode and first power passes through the contact connection for the second power supply, first power supplies power through external power supply unit.

The power receiving end 2 is one end which is worn on the hand of the escorting personnel for a long time and can not be taken down, and is generally made into a handcuff shape, and can also be made into other shapes such as a hand ring shape according to requirements. The power feeding terminal 1 can be charged by the external charging device 3 when being in a state of being separated from the power receiving terminal 2, and the power feeding terminal 1 can be charged to the power receiving terminal when being in a state of being combined with the power receiving terminal 2. Thus, the second power source and the first power source are both rechargeable power sources, preferably lithium batteries. The first power supply charges the second power supply in a manner of being connected through a contact. The contact connection charging mode that current electron wrist-watch, bracelet adopted is adopted.

Preferably, referring to fig. 2, the power receiving end 2 includes a second housing 25, and the second housing 25 is provided with a top bar 23, a lock hole 22 and a second contact 24; the power supply terminal 1 comprises a first housing 14 and a first contact arranged on the surface of the first housing 14 and used for being connected with a second contact 24 through a contact connection mode, a lock cylinder 11 is further arranged inside the first housing 14, and the lock cylinder 11 is slidably arranged in the first housing 14 so as to realize the combination of the electronic handcuffs when the lock cylinder 11 slides and can be inserted into the lock hole 22 and/or realize the separation of the electronic handcuffs when the lock cylinder 11 is pulled out of the lock hole 22; a limiting hole for the ejector rod 23 to pass through is formed in the first shell 14, a spring 12 and a sliding rod 13 are arranged in the first shell 14, the other end of the spring 12 is fixed in the first shell 14, and the other end of the spring is connected with the sliding rod 13; the sliding rod 13 coincides with the contact surface of the ejector rod 23 when the electronic handcuffs are combined, the sliding rod 13 penetrates through the limiting hole under the action of the spring 12 when the electronic handcuffs are separated, and the lock cylinder 11 is further provided with an opening 111 through which the sliding rod 13 and the ejector rod 23 pass.

Preferably, a permanent magnet 221 is disposed in the lock hole 22, and the key cylinder 11 is made of metal that can be attracted by the permanent magnet 221.

Referring to fig. 3(a) -3 (d), when the power receiving end 2 is locked with the power feeding end 1, the ejector rod 23 is matched with the limiting hole to ensure the accuracy of the combination position of the power receiving end 2 and the power feeding end 1. When the top rod 23 is inserted into the limiting hole in place, the lock cylinder 11 is aligned to the lock hole 22, and because the permanent magnet 221 is arranged in the lock hole 22 and the lock cylinder 11 is made of metal which can be adsorbed by the permanent magnet 221, the lock cylinder 11 is inserted into the lock hole 22 under the attraction of the magnet, and the locking of the power receiving end 2 and the power supply end 1 is completed. At this time, unlocking cannot be intervened by external force unless the first housing 14 is violently detached. The first housing 14 is violently removed and an alarm signal is generated.

Referring to fig. 4(a) -4 (d), when the power receiving end 2 is separated from the power supplying end 1, and the power supplying end 1 is charged, a selected combination of the external charging device 3 and the power receiving end 2 and the power supplying end 1 is designed with a limit structure, when the combination of the power receiving end 2 and the power supplying end 1 is inserted into the external charging device 3, the external charging device 3 can sense that the combination of the power receiving end 2 and the power supplying end 1 is inserted in place through a micro switch 31 or a piezoelectric sensor, a photoelectric sensor and the like arranged in the external charging device 3 and give out a signal indicating that the combination is inserted in place, an electromagnet 32 is arranged in the external charging device 3, the electromagnet 32 is started after the signal indicating that the combination is inserted in place is received, the lock cylinder 11 on the power supplying end 1 moves outwards under the suction force of the magnetic field of the external charging device 3, the head of the lock cylinder 11 is pulled out of the. As shown in fig. 15, 16(a) and 16(b), the external charging device 3 is provided with a groove 33 for limiting and fastening the power supply terminal 1, and a lock groove for allowing the lock cylinder 11 to slide in is further formed in the groove 33 to separate the power receiving terminal 2 from the power supply terminal 1. When the combination of the receiving terminal 2 and the feeding terminal 1 is inserted, the microswitch 31 in the external charging device 3 is triggered, so that the electromagnet 32 in the external charging equipment is electrified to generate a strong magnetic field, and the adsorption of the lock core 11 is completed. At this time, the key cylinder 11 is inserted into the lock groove, and the power feeding terminal 1 is fixed in the groove body 33 of the external charging device.

Referring to fig. 5(a) -5 (d), when the power receiving terminal 2 is combined with the power feeding terminal 1: after the power supply end 1 is charged in the external charging device 3, the power receiving end 2 is in butt joint with the external charging device 3, at this time, the ejector rod 23 on the power receiving end 2 pushes back the slide rod 13, and the slide rod 13 is separated from the lock cylinder 11; the charging device can sense that the power receiving end 2 is inserted in place and gives a signal of in place through a microswitch 31 or a piezoelectric sensor, a photoelectric sensor and the like arranged in the charging device, the electromagnet 32 is turned off, an external strong magnetic field provided by the external charging device 3 disappears, the lock cylinder 11 on the power supply end 1 returns under the action of the permanent magnet 221 in the lock hole 22, and the locking of the power receiving end 2 and the power supply end 1 is completed.

Preferably, the second functional circuit and the second power supply are disposed in the second housing 25, the functional circuit includes an NFC module, a sensor, a wireless communication module, a positioning module, and a second host controller, and the second host controller is connected to the NFC module, the sensor, the second wireless communication module, and the second positioning module, respectively; the second power supply supplies power to the second main controller, the NFC module, the sensor, the second wireless communication module and the second positioning module and is supplied power to the power supply end 1 in a contact connection mode.

Preferably, the first functional circuit and the first power source are disposed in the first housing 14, the functional circuit includes an RFID module, a first wireless communication module, a first positioning module and a first main controller, and the first main controller is respectively connected to the RFID module, the first wireless communication module and the first positioning module; the first power supply supplies power for the first main controller, the RFID module, the first wireless communication module and the first positioning module and supplies power for the power receiving end 2 in a contact connection mode, and the first power supply supplies power through the external charging device 3.

The first power supply may supply power to the first functional circuit, and may also supply power to the second functional power supply and charge the second power supply. The second power supply is also capable of powering the second functional circuit. When the receiving terminal 2 is combined with the feeding terminal 1, the first power supply supplies power to the second functional power supply and charges the second power supply.

Referring to fig. 6, fig. 6 illustrates a CC2530 chip, which is used by both the second host controller and the first host controller. The second power supply and the first power supply are shown in fig. 7. The second power supply and the first power supply adopt AD4057 chips, and the 1 st pin and the 5 th pin of the AD4057 are respectively connected with the 7 th pin and the 8 th pin of the CC2530 to realize charging state detection. As shown in fig. 8, the second power supply and the first power supply further include an AMS1117_3.3 chip through which the battery power can be displayed. The second power supply and the first power supply can be charged timely. VBAT is the input port of the external charging device, and VCC _3.3 is the interface for powering the chips and circuits, including CC 2530.

Referring to fig. 13, fig. 13 is a schematic diagram of an NFC module, in which pins 25 to 28 of a chip are connected to pins 15, 35, 5 and 6 of a CC2530, respectively. The NFC module of the power receiving terminal 2 can read information of the RFID module of the power feeding terminal 1 to determine whether the power feeding terminal 1 is mounted on/removed from the power receiving terminal 2. If the power receiving terminal 2 finds that the power feeding terminal 1 is not mounted/removed from the power receiving terminal 2 within a specified time range or fails to be fully charged, an alarm message may be given. The RFID module can be recognized not only by the NFC module but also by a card reader of the external charging device 3. The external charging device 3 can judge whether the power supply terminal 1 is placed/left through the RFID module in the power supply terminal 1 and corresponding time, and the external charging device 3 charges the power supply terminal 1 through the charging circuit thereof and acquires information such as electric quantity. If the external charging device 3 finds that the power feeding terminal 1 is not placed/moved from a specified charging position within a specified time range, or fails to be fully charged, an alarm message may be given.

The second functional circuit and the first functional circuit can achieve indoor positioning and wireless communication functions through technologies such as RFID, Bluetooth, UWB (ultra wide band), Wi-Fi, Zigbee, L ORA, NB-IOT and 5G, the first functional circuit further comprises a GPS/Beidou satellite positioning functional module to achieve positioning of equipment, when the power receiving end 2 is combined with the power supply end 1, the second functional circuit achieves the positioning function, and the first functional circuit achieves the wireless communication function.

The functions required by the RFID module, the wireless communication module and the positioning module and the connection with the main controller are all realized by adopting the prior art.

The second functional circuit and the second power supply may be integrated on a PCB and placed at any position inside the second housing 25. The first functional circuit and the first power source may be integrated on a PCB board and placed inside the first housing 14 at a position that does not affect the operation of the spring 12, the plunger 13 and the key cylinder 11.

Preferably, the sensors include temperature sensors, body-sensing sensors, blood pressure sensors, heart rate sensors, blood oxygen sensors and acceleration sensors.

Fig. 9-12 show circuit structure diagrams of various sensors, respectively, wherein the 2 nd interface of the temperature sensor shown in fig. 9 is connected with the 37 th pin of the CC2530 chip to measure the temperature signs of the escorting personnel, the 3 rd pin of the human body induction sensor shown in fig. 10 is the GY2702 chip, and the 3 rd pin thereof is connected with the 38 th pin of the CC2530 chip to detect the wearing state of the power receiving end 2 of the escorting personnel, the acceleration sensor shown in fig. 11 is the ADX L345 BCCZ chip, and the 8 th pin, the 9 th pin, the 13 th pin and the 14 th pin thereof are connected with the 12 th pin, the 13 th pin, the 6 th pin and the 5 th pin of the CC2530 chip to detect the movement state of the escorting personnel, the MAX30100 chip is used for the heart rate and blood oxygen sensor shown in fig. 12, and the 2 nd pin, the 3 rd pin and the 13 th pin thereof are connected with the 5 th pin, the 6 th pin and the 14 th pin of the CC2530 chip to detect the heart rate, pulse oxygen saturation, the physiological characteristics of the escorting personnel, and the physiological characteristics of the escorting personnel can be sent to the remote control end through the wireless communication module, and the esc.

Preferably, the second housing 25 is further provided with a key 21, and the second functional circuit further includes an alarm circuit, and the key 21 is used for triggering the alarm circuit to realize an alarm function.

Referring to fig. 14, the SOS button 21 circuit shown in fig. 14 is connected to pin 26 of CC 2530. An alarm signal is generated when the key 21 on the second housing 25 is pressed. When the escort personnel have an accident, the call can be made for help through the key 21.

In conclusion, the wearable electronic product battery is divided into two parts by adopting a separated charging mode and the application of NFC, RFID and wireless communication technologies, so that the problem of automatic centralized management of charging of electronic handcuffs of prisoners is solved, and functions with high energy consumption such as heart rate detection and NFC are applied to the electronic handcuff products.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.