CN212228096U - Wireless detection system - Google Patents
Wireless detection system Download PDFInfo
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- CN212228096U CN212228096U CN202021187573.7U CN202021187573U CN212228096U CN 212228096 U CN212228096 U CN 212228096U CN 202021187573 U CN202021187573 U CN 202021187573U CN 212228096 U CN212228096 U CN 212228096U
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Abstract
The utility model discloses a wireless detecting system, include: an external trigger module for forming a trigger signal; the control module is electrically connected with the external trigger module and used for outputting a first control signal according to the trigger signal; and the upgrading module is electrically connected with the first control module and used for executing an upgrading program according to the first control signal. The utility model discloses a trigger signal that outside trigger module formed sends to control module, and control module exports first control signal to upgrading module, and upgrading module carries out the upgrading procedure according to first control signal, consequently only need produce trigger signal and can carry out wireless detecting system's upgrading, need not to dismantle wireless detecting system for wireless detecting system's procedure upgrading is simple and easy.
Description
Technical Field
The utility model belongs to the technical field of the sensor technique and specifically relates to a wireless detecting system is related to.
Background
The wireless detection system is formed by randomly distributed micro nodes integrated with a sensor, a data processing unit and a communication module, and a network is formed in a self-organizing mode.
At present, all the constituent modules of the wireless detection system are packaged in a shell, if the wireless detection system needs to be upgraded, the constituent modules of the wireless detection system need to be detached from the shell, and then an upgrading program is downloaded into the constituent modules of the wireless detection system, so that the upgrading of the wireless detection system is realized. However, the wireless detection system is detached from the housing, which easily damages the housing, and if the constituent modules of the wireless detection system are installed in the housing again, the housing needs to be replaced with a new one, so that the wireless detection system is complicated to upgrade, and the upgrade cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a wireless detecting system can carry out the upgrading procedure according to trigger signal, need not to dismantle wireless detecting system's constitution module from the shell and upgrade again for wireless detecting system's procedure upgrading operation is simple and easy.
An embodiment of the utility model provides a wireless detecting system, include:
an external trigger module for forming a trigger signal;
the control module is electrically connected with the external trigger module and used for outputting a first control signal according to the trigger signal;
and the upgrading module is electrically connected with the control module and used for executing an upgrading program according to the first control signal.
The utility model discloses wireless detecting system has following beneficial effect at least: the trigger signal that outside trigger module formed sends to control module, and control module output first control signal is to upgrading module, and upgrading module carries out the upgrading procedure according to first control signal, consequently only need produce trigger signal and can carry out wireless detection system's upgrading, need not to dismantle wireless detection system's shell for wireless detection system's procedure upgrading is simple and easy.
According to the utility model discloses a wireless detecting system of other embodiments still includes:
a detection module for forming a detection signal;
the wireless transmission module is used for sending the detection signal;
the control module is electrically connected between the detection module and the wireless transmission module and is further used for outputting a second control signal according to the detection signal, and the wireless transmission module sends the detection signal to a remote terminal according to the second control signal.
According to the utility model discloses a wireless detecting system of other embodiments, outside trigger module includes:
a resonance unit for forming a trigger signal;
and the rectification filtering unit is electrically connected with the resonance unit and is used for rectifying and filtering the trigger signal.
According to the utility model discloses a wireless detecting system of other embodiments, outside trigger module still includes:
and the voltage limiting unit is electrically connected with the rectifying and filtering unit and is used for limiting the high-voltage signal in the trigger signal.
According to the utility model discloses a wireless detecting system of other embodiments, resonance unit includes: a resonant inductor and a resonant capacitor;
the resonance inductor is connected with the resonance capacitor in parallel.
According to the utility model discloses a wireless detecting system of other embodiments, the rectification filtering unit includes: the first resistor, the first capacitor and the first diode;
the anode of the first diode is connected to one end of the resonant capacitor, the cathode of the first diode is connected to one end of the first capacitor, and the other end of the first capacitor is grounded;
one end of the first resistor is connected between the first diode and the first capacitor, and the other end of the first resistor is grounded.
According to the utility model discloses a wireless detecting system of other embodiments, the voltage limiting unit includes: a second diode for supplying a second voltage to the first diode,
the anode of the second diode is grounded, and the cathode of the second diode is connected between the first diode and the first resistor.
According to the utility model discloses a wireless detecting system of other embodiments, the voltage limiting unit includes: a second diode for supplying a second voltage to the first diode,
the anode of the second diode is grounded, and the cathode of the second diode is connected between the first diode and the first resistor.
According to the utility model discloses a wireless detecting system of other embodiments, resonance inductance is induction coil.
According to the utility model discloses a wireless detecting system of other embodiments, outside trigger module the detecting module the control module the upgrading module is integrated on a PCB board, induction coil embedded install in on the PCB board.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
Fig. 1 is a block diagram of a wireless detection system according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a trigger module in an embodiment of the wireless detection system of the present invention;
fig. 3 is a schematic structural diagram of a coil and a PCB board according to an embodiment of the present invention.
Reference numerals: 100. an external trigger module; 110. a resonance unit; 120. a rectification filter unit; 130. a voltage limiting unit; 200. a control module; 300. an upgrade module; 400. a detection module; 500. a wireless transmission module; 600. a voltage stabilization module; 700. an encryption module; C. a resonant capacitor; l, a resonant inductor; c1, a first capacitance; l1, a first inductor; d1, a first diode; d2, a second diode; 800. and (7) a PCB board.
Detailed Description
The conception and the resulting technical effects of the present invention will be described clearly and completely with reference to the following embodiments, so that the objects, features and effects of the present invention can be fully understood. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention.
In the description of the present invention, if an orientation description is referred to, for example, the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, only for convenience of description and simplification of description, and it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. If a feature is referred to as being "disposed," "secured," "connected," or "mounted" to another feature, it can be directly disposed, secured, or connected to the other feature or indirectly disposed, secured, connected, or mounted to the other feature.
In the description of the embodiments of the present invention, if "a plurality" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "greater than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "more than", "less than" or "within" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.
Referring to fig. 1, a schematic flow chart of a wireless detection system in an embodiment of the present invention is shown. The embodiment of the utility model discloses wireless detecting system, include: the system comprises an external trigger module 100, a control module 200 and an upgrade module 300, wherein the external trigger module 100 is used for forming a trigger signal; the control module 200 is electrically connected to the external trigger module 100, and configured to output a first control signal according to the trigger signal; the upgrade module 300 is electrically connected to the first control module 200, and is configured to execute an upgrade program according to the first control signal.
Wherein, the external trigger module 100 and the control module 200 communicate through a GPIO interface.
The external trigger module 100 forms a trigger signal according to an externally input signal and transmits the trigger signal to the control module 200, the control module 200 outputs a first control signal after receiving the trigger signal, the upgrade module 300 stores an upgrade program therein, and the upgrade module 300 executes the upgrade program when receiving the first control module 200, so as to upgrade the whole wireless detection system. Therefore, the wireless control system is upgraded only by setting the external trigger module 100 and the upgrade module 300 without dismounting the shell of the wireless detection system, so that the system upgrade operation is simple and easy.
In this embodiment, the external input signal received by the external trigger module 100 is a wireless signal, the wireless signal is received by the external trigger module 100, and then the upgrade module 300 executes program upgrade, which can realize program upgrade of the wireless detection system without disassembling the housing of the wireless detection system. In other embodiments, the wireless signal may be replaced by a touch signal, an optical signal, a sound signal, or the like, and the external trigger module 100 only needs to receive different signals to form a trigger signal to upgrade the system.
Referring to fig. 1 and 2, in some embodiments, the external trigger module 100 includes: the resonance unit 110 and the rectification filter unit 120, the resonance unit 110 is used for forming a trigger signal; the rectifying and filtering unit 120 is electrically connected to the resonance unit 110, and is configured to rectify and filter the trigger signal.
The resonance unit 110 is configured to receive an external wireless signal and form a trigger signal, where the wireless signal received by the resonance unit 110 is a wireless signal in a certain frequency band, and the certain frequency band may be a set frequency band, so that the wireless signal in the set frequency band is used as the trigger signal for upgrading the wireless detection system, and the wireless transmission performance of the wireless detection system is prevented from being affected by the wireless signal. The rectifying and filtering unit 120 receives the trigger signal and rectifies and filters the trigger signal to remove the noise signal in the trigger signal. Through the arrangement of the rectifying and filtering unit 120, the noise signal is filtered out, so that the upgrade module 300 can accurately execute the upgrade procedure.
In some embodiments, the external trigger module 100 further includes a voltage limiting unit 130, and the voltage limiting unit 130 is electrically connected to the rectifying and filtering unit 120 and is configured to limit a high voltage signal in the trigger signal. Since the resonant unit 110 generates the trigger signal after receiving the wireless signal, if the high-voltage signal in the generated trigger signal is transmitted to the control module 200, the normal operation of the control module 200 is easily affected, and the control module 200 may be seriously failed. Therefore, the voltage limiting unit 130 is arranged to limit the high voltage signal in the trigger signal, so that a clean trigger signal is output to the control module 200, thereby improving the safety of the system.
In some embodiments, the resonance unit 110 includes: a resonant inductor L and a resonant capacitor C; the resonance inductor L is connected with the resonance capacitor C in parallel. Specifically, one end of the resonant inductor L is connected to one end of the resonant capacitor C and the rectifying and filtering unit 120, and the other end is connected to the ground and the other end of the resonant capacitor C.
Referring to fig. 1 and 3, the resonant inductor L is an induction coil, and the external trigger module 100, the control module 200 and the upgrade module 300 are integrated on a PCB 800, and the induction coil is embedded in the PCB 800. Specifically, the induction coil is embedded in the periphery of the PCB board 800. The induction coil is embedded and installed on the PCB 800, so that the induction coil is easy to install and convenient and fast to connect with other modules, and the induction coil is embedded and installed stably and receives signals stably.
The resonant circuit is formed by the induction coil and the resonant capacitor C, so that the wireless signal is received and the trigger signal is generated, and the upgrading module 300 is simple and easy to upgrade programs.
Referring to fig. 2, the rectifying and filtering unit 120 includes: a first resistor R1, a first capacitor C1, and a first diode D1; the anode of the first diode D1 is connected to one end of the resonant capacitor C, the cathode is connected to one end of the first capacitor C1, and the other end of the first capacitor C1 is grounded.
The first resistor R1 has one end connected between the first diode D1 and the first capacitor C1, and the other end connected to ground.
The rectifying and filtering unit 120 composed of the first resistor, the first capacitor C1 and the first diode D1 rectifies and filters the trigger signal input by the resonant capacitor C and the resonant inductor L, and filters the noise signal in the trigger signal to obtain a clean trigger signal.
The voltage limiting unit 130 includes: the anode of the second diode D2 and the cathode of the second diode D2 are grounded, and the cathode is connected between the first diode D1 and the first resistor.
The trigger signal is rectified, filtered and then passed into the second diode D2 to limit the high voltage signal, and prevent the high voltage signal from being input into the control module 200, thereby improving the safety of the system.
Specifically, when the resonant capacitor C and the resonant inductor L receive the wireless signal of the set frequency band, the resonant inductor L and the resonant inductor L output a high level, and the high level performs rectification filtering through the first resistor R1, the first capacitor C1 and the first diode D1, and then outputs a clean high level through the second diode D2. When the control module 200 receives the high level, it outputs a first control signal to the upgrade module 300, and the upgrade module 300 enters the bluetooth upgrade program and then executes the upgrade program until the application program is upgraded. By arranging the separate external trigger module 100, the program upgrading can be realized without destroying the sealing structure of the wireless detection system, so that the program upgrading operation is simple and easy.
Referring to fig. 1, in some embodiments, the wireless detection system further comprises: the detection module 400 is used for forming a detection signal, the wireless transmission module 500 is used for sending a new detection signal, the control module 200 is electrically connected between the detection module 400 and the wireless transmission module 500, the control module 200 is further used for outputting a second control signal to the wireless transmission module 500 according to the detection signal, and the wireless transmission module 500 sends the detection signal according to the second control signal.
The wireless detection system further includes an encryption module 700, and the encryption module 700 is electrically connected to the detection module 400 and the control module 200, and is configured to encrypt the detection signal.
Specifically, the detection module 400 and the control module 200 pass through I2The C interface is used for communication, and the encryption module 700 and the control module 200 are used for communication through the SPI interface. If the external trigger signal does not output the trigger signal, the detection module 400 forms a detection signal according to the collected information and outputs the detection signal to the encryption module 700, the encryption module 700 encrypts the detection signal and outputs the encrypted detection signal to the control module 200, the control module 200 receives the detection signal and outputs a second control signal to the wireless transmission module 500, and the wireless transmission module 500 wirelessly transmits the detection signal according to the second control signal.
The wireless transmission module 500 may be any one of a wireless radio frequency module, a bluetooth module, a WIFI module, and a GPRS module. The wireless transmission of the detection signal is realized by the wireless transmission module 500.
In some embodiments, the wireless detection system further comprises: the voltage stabilizing module 600 is electrically connected to a power supply and outputs a voltage stabilizing power signal to the external trigger module 100, the detection module 400, the control module 200 and the upgrade module 300. The external trigger module 100, the detection module 400, the control module 200, and the upgrade module 300 are stably operated by the voltage stabilization module 600.
The external trigger module 100, the detection module 400, the control module 200, the encryption module 700 and the voltage stabilization module 600 are integrated on one PCB 800, and the modules are integrated into a whole, so that the whole system is simple and convenient to install.
The control module, the upgrading module and the wireless transmission module are integrated on one control chip, the model of the control chip is NRF52810, and control, upgrading and wireless transmission of a system are achieved according to the control chip.
A wireless detection system according to an embodiment of the present invention is described in detail with reference to fig. 1 and 2 as a specific embodiment. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the invention.
After the system is initialized, if the resonant unit 110 composed of the resonant inductor L and the resonant capacitor C receives a wireless signal of a set frequency band, the resonant unit 110 outputs a high level, the high level is rectified and filtered by the first resistor, the first capacitor C1 and the first diode D1, and then the high voltage signal is limited by the second diode D2, a stable and clean high level is output to the control module 200, the control module 200 outputs a first control signal to the upgrade module 300 after receiving the high level, the upgrade module 300 executes an upgrade program according to the first control signal until the upgrade of the application program is completed, and the system is reinitialized. If the resonant unit 110 formed by the resonant inductor L and the resonant capacitor C outputs a low level when not receiving the wireless signal, the detection signal output by the detection module 400 is sent to the encryption module 700, the encryption module 700 encrypts the detection signal, the encrypted detection signal is output to the control module 200, the control module 200 outputs a second control signal to the wireless transmission module 500 according to the detection signal, and the wireless transmission module 500 wirelessly sends the detection signal according to the second control signal to realize wireless transmission of the detection signal. By arranging the external trigger module 100, the wireless detection system does not need to be disassembled when the program is required to be upgraded, so that the sealing property of the wireless detection system is not changed, and the program upgrading operation of the wireless detection system is simple and easy; and does not affect the wireless transmission performance of the detection module 400.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
Claims (10)
1. A wireless detection system, comprising:
an external trigger module for forming a trigger signal;
the control module is electrically connected with the external trigger module and used for outputting a first control signal according to the trigger signal;
and the upgrading module is electrically connected with the control module and used for executing an upgrading program according to the first control signal.
2. The wireless detection system of claim 1, further comprising:
a detection module for forming a detection signal;
the wireless transmission module is used for sending the detection signal;
the control module is electrically connected between the detection module and the wireless transmission module and is further used for outputting a second control signal according to the detection signal, and the wireless transmission module sends the detection signal to a remote terminal according to the second control signal.
3. The wireless detection system of claim 2, wherein the external trigger module comprises:
a resonance unit for forming a trigger signal;
and the rectification filtering unit is electrically connected with the resonance unit and is used for rectifying and filtering the trigger signal.
4. The wireless detection system of claim 3, wherein the external trigger module further comprises:
and the voltage limiting unit is electrically connected with the rectifying and filtering unit and is used for limiting the high-voltage signal in the trigger signal.
5. The wireless detection system of claim 4, wherein the resonating unit comprises: a resonant inductor and a resonant capacitor;
the resonance inductor is connected with the resonance capacitor in parallel.
6. The wireless detection system according to claim 5, wherein the rectifying and filtering unit comprises: the first resistor, the first capacitor and the first diode;
the anode of the first diode is connected to one end of the resonant capacitor, the cathode of the first diode is connected to one end of the first capacitor, and the other end of the first capacitor is grounded;
one end of the first resistor is connected between the first diode and the first capacitor, and the other end of the first resistor is grounded.
7. The wireless detection system of claim 6, wherein the voltage limiting unit comprises: a second diode for supplying a second voltage to the first diode,
the anode of the second diode is grounded, and the cathode of the second diode is connected between the first diode and the first resistor.
8. The wireless detection system of claim 2, further comprising:
and the voltage stabilizing module is electrically connected to a power supply and outputs a voltage stabilizing power supply signal to the external trigger module, the detection module, the control module and the upgrading module.
9. The wireless detection system of claim 5, wherein the resonant inductor is an induction coil.
10. The wireless detection system of claim 9, wherein the external trigger module, the detection module, the control module, and the upgrade module are integrated on a PCB, and the induction coil is embedded in the PCB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021187573.7U CN212228096U (en) | 2020-06-23 | 2020-06-23 | Wireless detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021187573.7U CN212228096U (en) | 2020-06-23 | 2020-06-23 | Wireless detection system |
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| Publication Number | Publication Date |
|---|---|
| CN212228096U true CN212228096U (en) | 2020-12-25 |
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| CN202021187573.7U Active CN212228096U (en) | 2020-06-23 | 2020-06-23 | Wireless detection system |
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