CN204667589U - A kind of Wrist belt-type electronic product is anti-plucks detection system - Google Patents
A kind of Wrist belt-type electronic product is anti-plucks detection system Download PDFInfo
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- CN204667589U CN204667589U CN201520237349.7U CN201520237349U CN204667589U CN 204667589 U CN204667589 U CN 204667589U CN 201520237349 U CN201520237349 U CN 201520237349U CN 204667589 U CN204667589 U CN 204667589U
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- 210000000707 wrist Anatomy 0.000 title claims abstract description 82
- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 10
- 230000008054 signal transmission Effects 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 5
- 238000012790 confirmation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
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- 230000033001 locomotion Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
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Abstract
The utility model discloses a kind of Wrist belt-type electronic product to prevent plucking detection system, the transmitting-receiving being carried out signal by signal emission module and signal transmitting coil, signal receiving module and signal receiving coil completes testing process, signal receiving module sends dissimilar detection signal according to the degree of strength of the signal received to master controller, master controller by judge the wearing state of Wrist belt-type electronic product to the analysis of detection signal, and Wrist belt-type electronic product is improper remove time in time to the mobile terminal transmission warning message of authorizing.Described detection system is reliable and stable, does not worry being electrically connected unstable problem, and magnetic test coil is built in watchband completely, does not affect water-proof function and the appearance of wrist-watch.In addition, when Wrist belt-type electronic product does not need to detect, signal emission module can not work, and greatly reduces the power consumption of Wrist belt-type electronic product.
Description
Technical Field
The utility model relates to a wrist strap formula electronic product technical field, in particular to detecting system is prevented plucking by wrist strap formula electronic product.
Background
The intelligent watch is built with an intelligent system, is provided with an intelligent mobile phone system and is connected to a network to realize multifunction, and can synchronize the telephone, short message, mail, photo, music and the like in the mobile phone. At present, more and more wristbands electronic products realize the function of tracking and Positioning by a built-in gps (global Positioning system) module. Child wears this kind of intelligent wrist-watch, and the head of a family can track child's motion trail in real time, and the community corrects personnel and wears this kind of intelligent wrist-watch and can carry out the management and control to it. However, if the watch of the child is taken off by a lawbreaker, parents cannot effectively track the movement track of the child, and the social correctors cannot monitor the behavior of the child if the watch is taken off by the social correctors. Therefore, there is a need for an anti-picking detection system that can automatically determine that a watch is picked up and notify a manager to perform processing. At present, no reliable means for automatically judging that the watch is taken off exists.
In the anti-picking detection device in the prior art, metal wires are respectively arranged in the two watchbands and are respectively connected with an output pin and an input pin of a main control chip, and the two metal wires are connected together through a watch buckle in the wearing process. The output pin sends out a confirmation signal at regular time, and the input pin receives the confirmation signal. If the output pin sends out the confirmation signal and the input pin does not receive the confirmation signal, the main control chip judges that the watch has the action of being taken off. However, the existing scheme has the following disadvantages: 1. the wires are susceptible to breakage during movement by the wearer. 2. The electrical connection between the wire and the watch buckle is unstable. 3. The conductive contact of the lead leaks outside the watchband, and the waterproof effect of the watch is affected.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention has been made to provide a wrist strap type electronic product anti-picking detection system that overcomes the above problems. In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the electronic product comprises a main body part, and a first wrist strap and a second wrist strap which are connected with the main body part, and is characterized in that the main body part comprises a main controller, and a signal transmitting module, a signal receiving module and a wireless module which are respectively connected with the main controller, the first wrist strap and the second wrist strap respectively comprise a signal transmitting coil and a signal receiving coil, the signal transmitting coil is connected with the signal transmitting module, and the signal receiving coil is connected with the signal receiving module; wherein,
the signal transmitting module is used for transmitting signals through the signal transmitting coil,
the signal receiving module is used for receiving the signals through the signal receiving coil and sending different types of detection signals to the main controller according to the strength of the signals,
the main controller is used for controlling the signal transmitting module to work and controlling whether the wireless module sends alarm information to the mobile terminal authorized by the electronic product or not according to the type of the detection signal.
The signal transmitting module comprises an electronic switch, a first terminal, a second terminal and a current-limiting resistor, wherein the first terminal and the second terminal are respectively connected with two ends of a signal transmitting coil; wherein,
the electronic switch is used for enabling the signal transmitting coil to generate variable current to transmit signals outwards, and the current limiting resistor is used for changing the transmitting power of the signal transmitting module.
The signal receiving module comprises a transconductance resistor, an operational amplifier, a comparator, a third terminal, a fourth terminal and a divider resistor, wherein the third terminal and the fourth terminal are respectively connected with two ends of a signal receiving coil; wherein,
the operational amplifier is used for amplifying the changed voltage signal and outputting the amplified changed voltage to the comparator, and the comparator is used for comparing the amplified changed voltage with a threshold voltage value and outputting a high level signal or a low level signal to the main controller according to a comparison result.
The main controller comprises a control module, and an analysis module and an alarm module which are respectively connected with the control module; the control module is used for controlling the signal transmitting module, the analysis module, the alarm module and the wireless module, the analysis module is used for analyzing the detection signal so as to judge the wearing state of the wrist strap type electronic product, and the alarm module is used for generating alarm information when the wrist strap type electronic product is in a removal state.
Preferably, the signal transmitting coil and the signal receiving coil are respectively located at the end positions far away from the main body part in the first wrist strap and the second wrist strap, and the signal transmitting coil and the signal receiving coil are partially or completely overlapped when the wrist-worn electronic product is in a normal wearing state.
Preferably, the signal transmitting coil and the signal receiving coil are respectively printed on an FPC board and then injected into the first wrist strap and the second wrist strap or directly injected into the first wrist strap and the second wrist strap.
The embodiment of the utility model provides a beneficial effect is: the utility model discloses a detecting system is prevented plucking by wrist strap formula electronic product, through signal transmission module and signal transmission coil, signal receiving module and signal receiving coil carry out the receiving and dispatching of signal and accomplish the testing process, signal receiving module sends the detected signal of different grade type to main control unit according to the power degree of received signal, main control unit judges the wearing state of wrist strap formula electronic product through the analysis to detected signal to in time send alarm information to the mobile terminal of authorizing when the abnormal of wrist strap formula electronic product is plucked. The detection system is stable and reliable, the problem of unstable electric connection is not worried about, and the detection coil is completely arranged in the watchband, so that the waterproof function and the appearance effect of the watch are not influenced. In addition, under the condition that the wrist strap type electronic product does not need to be detected, the signal transmitting module can not work, and the power consumption of the wrist strap type electronic product is greatly reduced.
Drawings
Fig. 1 is a functional block diagram of a wrist strap type electronic product anti-picking detection system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a wrist strap electronic product according to an embodiment of the present invention;
fig. 3 is an internal functional block diagram of a signal transmitting module of the wristband type electronic product anti-picking detection system according to the embodiment of the present invention;
fig. 4 is an internal functional block diagram of a signal receiving module of the wristband type electronic product anti-picking detection system according to an embodiment of the present invention;
fig. 5 is an internal functional block diagram of a main controller of the wristband type electronic product anti-picking detection system according to the embodiment of the present invention;
wherein, in the figure: 1. a body portion; 21. a first wristband; 22. a second wristband; 211. signal receiving coils 221, signal transmitting coils 212 and watchband holes; 222. a watch band fastener.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 is the embodiment of the utility model provides a functional block diagram of detecting system is prevented plucking by wrist strap formula electronic product, fig. 2 is the utility model provides a wrist strap formula electronic product's structural schematic diagram, refer to fig. 1 and fig. 2, wrist strap formula electronic product includes main part 1 and the first wrist strap 21 and the second wrist strap 22 of being connected with main part, main part includes main control unit and the signal transmission module, signal reception module and the wireless module of being connected respectively with main control unit, include signal transmission coil and signal reception coil in first wrist strap and the second wrist strap respectively, signal transmission coil is connected with signal transmission module, signal reception coil is connected with signal reception module. The signal transmitting module is used for transmitting a signal through the signal transmitting coil; the signal receiving module is used for receiving the signals through the signal receiving coil and sending different types of detection signals to the main controller according to the strength of the signals; the main controller is used for controlling the signal transmitting module to work and controlling whether the wireless module sends alarm information to the mobile terminal authorized by the electronic product or not according to the type of the detection signal.
The main controller, the signal transmitting module, the signal receiving module and the wireless module are all arranged on a main PCB (printed circuit board) of the main body part. The signal receiving coil 211 is located at an end position far away from the main body portion 1 in the first wrist strap 21, and the signal transmitting coil 221 is located at an end position far away from the main body portion 1 in the second wrist strap 22, so as to ensure that the signal transmitting coil 221 and the signal receiving coil 211 are partially or completely overlapped in a normal wearing state of the wrist-worn electronic product. Because the signal receiving module can receive a stronger signal only when the signal transmitting coil 221 and the signal receiving coil 211 are partially or completely overlapped, that is, in a case where the distance is relatively short, when the wrist-worn electronic product is in a removed state, the signal transmitting coil 221 and the signal receiving coil 211 are far away, and at this time, the signal receiving module can only receive a weaker signal.
In this embodiment, the wristband electronic product may further include a camera and a GPS (Global Positioning System) module respectively connected to the main controller, and configured to collect the surrounding environment of the wearer and perform Positioning and tracking on the position of the wearer in real time, and store the collected information in a memory of the main controller. At this time, the notification information sent by the main controller to the mobile terminal not only includes the notification that the wristband electronic product is removed, but also includes the position information and the surrounding environment information of a period of time before and after the wristband electronic product is removed, so as to help the supervisor to quickly locate the position of the wearer and timely grasp the situation of the wearer.
Fig. 3 is an internal functional block diagram of a signal transmitting module of the wrist strap type electronic product anti-picking detection system according to an embodiment of the present invention. The signal transmitting module comprises an electronic switch, a first terminal, a second terminal and a current-limiting resistor. The first terminal and the second terminal are respectively connected with two ends of the signal transmitting coil, the electronic switch is connected with the main controller, the first terminal and the current-limiting resistor, the second terminal is connected with the power supply, one end of the current-limiting resistor is connected with the electronic switch, and the other end of the current-limiting resistor is grounded. The electronic switch is controlled by the main controller to continuously turn off and on to enable the signal transmitting coil to generate changed current, and the changed current then generates a magnetic field to transmit signals outwards; the current limiting resistor is used for changing the transmitting power of the signal transmitting module. Specifically, the current limiting resistor changes the magnitude of the current in the signal transmitting coil by changing the resistance value of the current limiting resistor, so that the strength of the magnetic field is changed, and the strength of the magnetic field determines the magnitude of the signal transmitting power.
Fig. 4 is an internal functional block diagram of a signal receiving module of the wrist strap type electronic product anti-picking detection system according to an embodiment of the present invention. The signal receiving module comprises a transconductance resistor, an operational amplifier, a comparator, a third terminal, a fourth terminal and a divider resistor. The third terminal and the fourth terminal are respectively connected with two ends of a signal receiving coil, one end of the transconductance resistor is connected with the operational amplifier and the third terminal, the other end of the transconductance resistor is grounded, one end of the comparator is connected with the operational amplifier, the other end of the comparator is connected with the main controller, and the fourth terminal is connected with a power supply through the divider resistor. The operational amplifier is used for amplifying the changed voltage signal and outputting the amplified changed voltage to the comparator, and the comparator is used for comparing the amplified changed voltage with a threshold voltage value and outputting a high-level signal or a low-level signal to the main controller according to a comparison result.
The purpose of setting up operational amplifier and comparator is in order to improve the accuracy of taking off the detection, guarantees that only when the signal intensity that signal reception module received is higher than a certain value, the wrist strap formula electronic product just is normal wearing state.
The principle is as follows: because the signal transmitting coil and the signal receiving coil are partially or completely overlapped when the wrist strap type electronic product is in a normal wearing state, the signal receiving module can receive a stronger signal; when the wrist strap type electronic product is in a taken-off state, the signal transmitting coil and the signal receiving coil are far away, and at the moment, the signal receiving module can only receive weak signals. Therefore, through a plurality of experiments, the critical distance between one signal transmitting coil and one signal receiving coil is found, if the critical distance is higher than the critical distance, the wristband type electronic product is judged to be removed, and if the critical distance is lower than the critical distance, the wristband type electronic product is judged to be normally worn. And determining the signal strength received by the signal receiving module under the critical distance, and setting a proper threshold voltage value according to the signal strength. When the signal intensity received by the signal receiving module is higher than a set threshold value, the distance between the signal transmitting coil and the signal receiving coil is lower than a critical distance, the wrist strap type electronic product is normally worn, and therefore a high-level signal is output to the main controller; when the signal intensity received by the signal receiving module is lower than a set threshold value, the distance between the signal transmitting coil and the signal receiving coil is within a critical distance, the wrist strap type electronic product is in a picking-off state, and therefore a low-level signal is output to the main controller.
Fig. 5 is an internal functional block diagram of the main controller of the wrist strap type electronic product anti-picking detection system according to the embodiment of the present invention. The main controller comprises a control module, and an analysis module and an alarm module which are respectively connected with the control module. The control module is used for controlling the signal transmitting module, the analysis module, the alarm module and the wireless module; the analysis module is used for analyzing the detection signal sent by the signal receiving module and judging the wearing state of the wrist strap type electronic product; the alarm module is used for generating alarm information when the wrist strap type electronic product is in a removal state.
When the analysis module receives the high level signal, the wrist strap type electronic product is judged to be in a normal wearing state, the control module does not send a control signal to the alarm module, and the alarm module does not generate alarm information. When the analysis module receives the low level signal, the wrist strap type electronic product is judged to be in a removal state, the control module sends a control signal to the alarm module, the alarm module generates alarm information, and the control module controls the wireless module to send the alarm information to the authorized mobile terminal.
In a preferred embodiment of this embodiment, an application program may be installed in a mobile terminal authorized by the wrist-worn electronic product, and the wrist-worn electronic product may be set to different operating modes, including a monitoring mode and a non-monitoring mode, through the application program in the mobile terminal. In the monitoring mode, as described above, the main controller controls the wireless module to send or not send alarm information to the mobile terminal authorized by the wrist strap type electronic product according to the type of the detection signal sent by the signal receiving module. In the non-monitoring mode, the main controller can control the signal transmitting module to work or not work and always does not send alarm information to the authorized mobile terminal.
The beneficial effects of setting different working modes are as follows: when the monitoring of the wearing person is not needed, the interference of the alarm signal can be avoided, the signal transmitting module can be controlled not to work, and the power consumption of the wrist strap type electronic product is greatly reduced.
In the present embodiment, the plurality of strap holes 212 are provided at the end of the first strap 21 of the wristband type electronic product, the strap buckle 222 is provided at the end of the second strap 22, and the wearing of the wristband type electronic product is realized by the cooperation of the strap holes 212 and the strap buckle 222. In order to ensure that the signal transmitting coil and the signal receiving coil can be better overlapped when the wrist watch is worn, the outer surfaces of the first wrist strap and the second wrist strap can be provided with marks of positions of the coils, and the two coils are partially or completely overlapped by adjusting the position of the watch strap buckle penetrating into the watch strap hole.
In the above embodiments, in order not to interfere with the transmission and reception of signals, the first wrist strap, the second wrist strap, the watch buckle, and the watch strap hole of the wrist strap type electronic product are made of non-metallic materials, such as rubber and plastic. The signal transmitting coil and the signal receiving coil are respectively printed on an FPC (flexible printed circuit board) and then injected into the first wrist strap and the second wrist strap or directly injected into the first wrist strap and the second wrist strap. Through the technology that moulds plastics the wrist strap again with the coil printing on the FPC board relatively more ripe in, guaranteed signal emission coil and signal emission module, signal reception coil and the stability of being connected with the signal reception module, place the watchband in the detection coil is complete in addition, do not influence the waterproof function and the outward appearance effect of wrist-watch, in addition, still make full use of the pliability of FPC board, do not influence the comfort level that the wrist-watch was worn.
The utility model discloses a detecting system is prevented plucking by wrist strap formula electronic product, through signal transmission module and signal transmission coil, signal receiving module and signal receiving coil carry out the receiving and dispatching of signal and accomplish the testing process, signal receiving module sends the detected signal of different grade type to main control unit according to the power degree of received signal, main control unit judges the wearing state of wrist strap formula electronic product through the analysis to detected signal to in time send alarm information to the mobile terminal of authorizing when the abnormal of wrist strap formula electronic product is plucked. The detection system is stable and reliable, the problem of unstable electric connection is not worried about, and the detection coil is completely arranged in the watchband, so that the waterproof function and the appearance effect of the watch are not influenced. In addition, under the condition that the wrist strap type electronic product does not need to be detected, the signal transmitting module can not work, and the power consumption of the wrist strap type electronic product is greatly reduced.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (6)
1. A wrist strap type electronic product anti-picking detection system comprises a main body part, a first wrist strap and a second wrist strap, wherein the first wrist strap and the second wrist strap are connected with the main body part; wherein,
the signal transmitting module is used for transmitting signals through the signal transmitting coil,
the signal receiving module is used for receiving the signals through the signal receiving coil and sending different types of detection signals to the main controller according to the strength of the signals,
the main controller is used for controlling the signal transmitting module to work and controlling whether the wireless module sends alarm information to the mobile terminal authorized by the electronic product or not according to the type of the detection signal.
2. The system according to claim 1, wherein said signal transmitting module comprises an electronic switch, a first terminal and a second terminal, and a current limiting resistor, said first terminal and said second terminal are respectively connected to two ends of said signal transmitting coil, said electronic switch is connected to said main controller, said first terminal and said current limiting resistor, said second terminal is connected to a power source, one end of said current limiting resistor is connected to said electronic switch, and the other end is grounded; wherein,
the electronic switch is used for enabling the signal transmitting coil to generate variable current to transmit signals outwards, and the current limiting resistor is used for changing the transmitting power of the signal transmitting module.
3. The system according to claim 1, wherein the signal receiving module comprises a transconductance resistor, an operational amplifier, a comparator, a third terminal, a fourth terminal, and a voltage dividing resistor, the third terminal and the fourth terminal are respectively connected to two ends of the signal receiving coil, one end of the transconductance resistor is connected to the operational amplifier and the third terminal, the other end of the transconductance resistor is grounded, one end of the comparator is connected to the operational amplifier, the other end of the comparator is connected to the main controller, and the fourth terminal is connected to the power supply through the voltage dividing resistor; wherein,
the operational amplifier is used for amplifying the changed voltage signal and outputting the amplified changed voltage to the comparator, and the comparator is used for comparing the amplified changed voltage with a threshold voltage value and outputting a high level signal or a low level signal to the main controller according to a comparison result.
4. The system of claim 1, wherein the main controller comprises a control module, and an analysis module and an alarm module respectively connected to the control module; the control module is used for controlling the signal transmitting module, the analysis module, the alarm module and the wireless module, the analysis module is used for analyzing the detection signal so as to judge the wearing state of the wrist strap type electronic product, and the alarm module is used for generating alarm information when the wrist strap type electronic product is in a removal state.
5. The system of claim 1, wherein the signal transmitting coil and the signal receiving coil are respectively located at the end of the first wrist strap and the second wrist strap away from the main body, and the signal transmitting coil and the signal receiving coil are partially or completely overlapped when the wrist strap electronic product is worn normally.
6. The system as claimed in claim 5, wherein the signal transmitting coil and the signal receiving coil are respectively printed on the FPC board and then molded into the first wrist band and the second wrist band or directly molded into the first wrist band and the second wrist band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520237349.7U CN204667589U (en) | 2015-04-20 | 2015-04-20 | A kind of Wrist belt-type electronic product is anti-plucks detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520237349.7U CN204667589U (en) | 2015-04-20 | 2015-04-20 | A kind of Wrist belt-type electronic product is anti-plucks detection system |
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| Publication Number | Publication Date |
|---|---|
| CN204667589U true CN204667589U (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520237349.7U Withdrawn - After Issue CN204667589U (en) | 2015-04-20 | 2015-04-20 | A kind of Wrist belt-type electronic product is anti-plucks detection system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104821059A (en) * | 2015-04-20 | 2015-08-05 | 青岛歌尔声学科技有限公司 | Anti-picking detection system and anti-picking detection method for wrist strap type electronic product |
| CN106297190A (en) * | 2016-10-31 | 2017-01-04 | 广州杰赛科技股份有限公司 | A kind of wrist-watch |
| CN109527727A (en) * | 2018-12-03 | 2019-03-29 | 深圳市龙腾飞通讯装备技术有限公司 | A kind of waterproof watch band structure that can replace monitor |
-
2015
- 2015-04-20 CN CN201520237349.7U patent/CN204667589U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104821059A (en) * | 2015-04-20 | 2015-08-05 | 青岛歌尔声学科技有限公司 | Anti-picking detection system and anti-picking detection method for wrist strap type electronic product |
| CN104821059B (en) * | 2015-04-20 | 2017-10-27 | 青岛歌尔声学科技有限公司 | A kind of Wrist belt-type electronic product is anti-to be plucked detecting system and prevents plucking detection method |
| CN106297190A (en) * | 2016-10-31 | 2017-01-04 | 广州杰赛科技股份有限公司 | A kind of wrist-watch |
| CN109527727A (en) * | 2018-12-03 | 2019-03-29 | 深圳市龙腾飞通讯装备技术有限公司 | A kind of waterproof watch band structure that can replace monitor |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20150923 Effective date of abandoning: 20171027 |