Multifunctional detection device

Abstract

The utility model discloses a multifunctional detection device, comprising a housing assembly which is a hollow cavity; the circuit board is fixedly arranged in the shell assembly; the RF antenna assembly is fixedly and electrically connected with the circuit board and can receive an RF signal; the magnetic induction antenna assembly penetrates through the shell assembly and is detachably and electrically connected to the circuit board, and when the magnetic induction antenna assembly is electrically connected to the circuit board, the circuit board is automatically converted into a magnetic detection mode; the key assembly, the display screen and the signal intensity display assembly are respectively arranged in the shell assembly in a penetrating manner; and the battery assembly is fixedly arranged in the shell assembly. When the magnetic induction antenna assembly is electrically connected to the circuit board, the circuit board is automatically converted into a magnetic detection mode, and the problem that an existing detection device is troublesome in the RF signal and magnetic field detection switching process is effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of detectors, and in particular to a multifunctional detection device. Background Art

[0002] At present, the RF detector is a rectifier circuit system that converts AC signals into DC signals and then detects RF signals. It is widely used in the fields of telecommunications, electronic industry, scientific research, etc. In electronic communication systems, it is often necessary to detect the presence or strength of RF signals as a standard for normal operation. For example, the strength of the received signal is usually measured in a radio receiver to adjust the automatic gain control circuit to facilitate the continuous acquisition of the required output signal from the receiver. Therefore, the RF detector constitutes the core of the signal amplitude measurement system. At the same time, in some applications, it is also necessary to detect the strength of the magnetic field. There are also devices in the prior art that detect RF and magnetic fields at the same time, but such devices are more troublesome in the switching process between RF and magnetic field detection. At the same time, due to the lack of waveform display, it can only reflect the intensity of electromagnetic waves and cannot distinguish the types of electromagnetic waves. Therefore, a multifunctional detection device is provided to solve the problem that the existing detection device is more troublesome in the switching process between RF signal and magnetic field detection. Utility Model Content

[0003] One of the purposes of the utility model is to provide a multifunctional detection device so as to solve the problem that the existing detection device is troublesome in the switching process between RF signal and magnetic field detection.

[0004] The utility model can realize a multifunctional detection device through the following technical solutions:

[0005] The utility model discloses a multifunctional detection device, which includes a shell component, which is a hollow cavity; a circuit board fixedly arranged in the shell component; an RF antenna component fixedly electrically connected to the circuit board, which can receive RF signals; a magnetic induction antenna component that passes through the shell component and is detachably electrically connected to the circuit board, and when the magnetic induction antenna component is electrically connected to the circuit board, the circuit board automatically switches to a magnetic detection mode; a button component, a display screen and a signal strength display component that respectively pass through the shell component; a battery component fixedly arranged in the shell component; the circuit board is electrically connected to the RF antenna component, the magnetic induction antenna component, the button component, the display screen, the signal strength display component and the battery component, respectively.

[0006] In one embodiment, the multifunctional detection device of the utility model further includes an audio device and a vibration motor. The audio device and the vibration motor are respectively fixedly disposed in the housing assembly and are respectively electrically connected to the circuit board.

[0007] In one embodiment, the circuit board is provided with an MCU control circuit; a waveform amplification and shaping circuit, a waveform display circuit, a signal amplification circuit, a power management circuit, the signal strength output circuit, the audio output circuit and the vibration output circuit which are electrically connected to the MCU control circuit respectively; a high-frequency detection circuit which is electrically connected to the RF antenna assembly and the waveform amplification and shaping circuit respectively; the waveform display circuit is electrically connected to the waveform amplification and shaping circuit and the display screen respectively; the signal amplification circuit is detachably electrically connected to the magnetic induction antenna assembly; the power management circuit is electrically connected to the waveform display circuit, the battery assembly and the charging interface respectively; the signal strength output circuit, the audio output circuit and the vibration output circuit are electrically connected to the signal strength display assembly, the audio device and the vibration motor respectively.

[0008] In one embodiment, the MCU control circuit includes a control chip, and the control chip is a single-chip microcomputer.

[0009] In one embodiment, the RF antenna assembly adopts a multi-frequency ultra-wide band high-gain antenna.

[0010] In one embodiment, an RF antenna interface is provided on the RF antenna assembly, and the RF antenna interface is fixedly threadedly electrically connected to the circuit board.

[0011] In one embodiment, a magnetic induction interface is provided on the magnetic induction antenna assembly, and the magnetic induction interface movably penetrates the housing assembly and is detachably and electrically connected to the circuit board.

[0012] In one embodiment, a multifunctional detection device of the utility model further includes a charging interface, an RF antenna connection interface and a magnetic induction antenna connection interface; the charging interface, the RF antenna connection interface, and the magnetic induction antenna connection interface are respectively fixedly arranged on the circuit board and pass through the shell assembly; the RF antenna connection interface is electrically connected to the RF antenna interface by a fixed thread; the magnetic induction antenna connection interface is electrically connected to the magnetic induction interface in a detachable manner.

[0013] The utility model provides a multifunctional detection device, wherein the signal strength display component adopts a plurality of LED lamps, and the plurality of LED lamps are fixed in parallel and electrically connected to the circuit board and respectively penetrate the housing component.

[0014] The utility model discloses a multifunctional detection device, wherein the battery assembly adopts a dry cell or a rechargeable battery; and the audio device adopts a buzzer or a speaker.

[0015] Compared with the prior art, the beneficial effects of the multifunctional detection device of the utility model are:

[0016] The utility model discloses a multifunctional detection device, which receives RF signals through an RF antenna component, and then processes and analyzes them through a circuit board, and drives corresponding components to respond respectively; when the magnetic induction antenna component is electrically connected to the circuit board, the device automatically switches to a magnetic detection mode, receives magnetic induction signals through the magnetic induction antenna component, and then processes and analyzes them through the circuit board, and drives corresponding components to respond respectively, which effectively solves the problem that the existing detection device is relatively troublesome in the switching process between RF signal and magnetic field detection; the sensitivity of the device can be automatically restored to a suitable state by pressing an automatic adaptation button, without other adjustments, so as to achieve the purpose of simple operation; at the same time, the waveform of the detected RF signal or magnetic induction signal can be observed in real time through the display screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram of a multifunctional detection device of the utility model;

[0019] Figure 2 yes Figure 1 The cross-sectional structure diagram of a multifunctional detection device of the utility model is shown;

[0020] Figure 3 yes Figure 1 The explosion structure schematic diagram of a multifunctional detection device of the utility model shown includes a circuit board;

[0021] Figure 4 yes Figure 1 The schematic diagram of the explosion structure of the multifunctional detection device of the utility model from another perspective is shown;

[0022] Figure 5 yes Figure 3 The schematic diagram of the electrical principle connection of the circuit board in the multifunctional detection device of the utility model is shown;

[0023] Figure 6 yes Figure 3 The utility model is a circuit diagram of a circuit board in a multifunctional detection device.

[0024] Markings in the figure: 11, shell assembly; 111, through hole; 112, audio device hole; 12, circuit board; 121, MCU control circuit; 122, high-frequency detection circuit; 123, waveform amplification and shaping circuit; 124, waveform display circuit; 125, signal amplification circuit; 126, power management circuit; 127, signal strength output circuit; 128, audio output circuit; 129, vibration output circuit; 13, RF antenna assembly; 131, RF antenna interface; 14, magnetic induction antenna assembly; 141, magnetic induction interface; 15, button assembly; 16, display screen; 17, signal strength display assembly; 18, battery assembly; 19, audio device; 20, vibration motor; 21, interface assembly; 211, charging interface. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. The components of the embodiment of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-Figure 4As shown, the utility model provides a multifunctional detection device including a shell component 11, a circuit board 12, an RF antenna component 13, a magnetic induction antenna component 14, a button component 15, a display screen 16, a signal strength display component 17, a battery component 18, an audio device 19 and a vibration motor 20; the shell component 11 is a hollow cavity; the circuit board 12 is fixedly arranged in the shell component 11, and is electrically connected to the RF antenna component 13, the magnetic induction antenna component 14, the button component 15, the display screen 16, the signal strength display component 17, the battery component 18, the audio device 19 and the vibration motor 20 respectively; the RF antenna component 13 is electrically connected to the circuit board 12; the magnetic induction antenna component 14 passes through the shell component 11 and is detachably electrically connected to the circuit board 12, and when the magnetic induction antenna component 14 is electrically connected to the circuit board 12, the circuit board 12 automatically Converted to magnetic detection mode; the button assembly 15, the display screen 16, and the signal strength display assembly 17 are respectively arranged throughout the shell assembly 11, and the switch and function setting of the detection device can be controlled by the button assembly 15. The display screen 16 displays the waveform of the detected RF or magnetic field in real time, and the signal strength display assembly 17 displays the strong and weak signals of the detected RF or magnetic field; the battery assembly 18, the audio device 19, and the vibration motor 20 are respectively fixedly arranged in the shell assembly 11, and the battery assembly 18 provides power to the circuit board 12, the RF antenna assembly 13, the magnetic induction antenna assembly 14, the button assembly 15, the display screen 16, the signal strength display assembly 17, the audio device 19, and the vibration motor 20 respectively. The function of the audio device 19 is to provide voice prompts, and the function of the vibration motor 20 is to provide vibration prompts.

[0028] See also Figure 1-Figure 4 As shown, in this embodiment, the shell component 11 is penetrated by a plurality of through holes 111, and the button component 15, the display screen 16, and the signal strength display component 17 respectively penetrate the shell component 11 through the corresponding through holes 111; the shell component 11 is also penetrated by a plurality of audio device holes 112, and the position of the audio device 19 corresponds to the positions of the plurality of audio device holes 112.

[0029] See also Figure 5 and Figure 6As shown, in this embodiment, the circuit board 12 is respectively provided with an MCU control circuit 121, a high frequency detection circuit 122, a waveform amplification and shaping circuit 123, a waveform display circuit 124, a signal amplification circuit 125, a power management circuit 126, a signal strength output circuit 127, an audio output circuit 128 and a vibration output circuit 129; the MCU control circuit 121 is a control body, which is respectively connected with the waveform amplification and shaping circuit 123, the waveform display circuit 124, the signal amplification circuit 125, the power management circuit 126, the signal strength output circuit 127, the audio output circuit 128 and the vibration output circuit 129. The output circuit 127, the audio output circuit 128, and the vibration output circuit 129 are electrically connected; the high-frequency detection circuit 122 is electrically connected to the RF antenna component 13 and the waveform amplification and shaping circuit 123 respectively, and the high-frequency detection circuit 122 and the waveform amplification and shaping circuit 123 respectively perform high-frequency detection and amplification operations on the RF signal received by the RF antenna component 13 in turn; the waveform display circuit 124 is electrically connected to the waveform amplification and shaping circuit 123 and the display screen 16 respectively, and the waveform display circuit 124 amplifies and shapes the waveform The RF signal processed by the waveform shaping circuit 123 is transmitted to the display screen 16 for real-time waveform display; the signal amplifying circuit 125 is detachably electrically connected to the magnetic induction antenna assembly 14, and amplifies the magnetic induction signal received by the magnetic induction antenna assembly 14, and then transmits it to the MCU control circuit 121 for processing, and the MCU control circuit 121 then transmits the processed magnetic induction signal to the waveform amplifying and shaping circuit 123, the waveform display circuit 124, and the display screen 16 in sequence for real-time waveform display; the power management circuit 126 is respectively It is electrically connected to the waveform display circuit 124, the battery assembly 18, and the charging interface 211. The battery assembly 18 provides power to the MCU control circuit 12 and the waveform display circuit 124 respectively through the power management circuit 126, and the charging interface 211 charges the battery assembly 18 through the power management circuit 126; the signal strength output circuit 127, the audio output circuit 128, and the vibration output circuit 129 are electrically connected to the signal strength display assembly 17, the audio device 19, and the vibration motor 20 respectively.

[0030] See also Figure 6As shown, in this embodiment, the MCU control circuit 121 includes a control chip. Specifically, the control chip is a single-chip microcomputer, which can receive RF and magnetic induction signals and control the subsequent output, and can complete sensitivity adjustment through a one-key adaptive function; chips U6, U7, U8, U9, U10, and U11 together constitute the power management circuit 16, and through the cooperation of multiple chips, the battery charging protection and voltage stabilization / boosting functions are completed to provide corresponding power supply for each level of circuits. In this embodiment, after the RF antenna component 13 receives the RF signal and performs detection operation through the chip U1 in the high-frequency detection circuit 122, it is transmitted to the waveform amplification and shaping circuit 123 for waveform amplification operation and then sequentially transmitted to the waveform display circuit 124 and the display screen 16 for real-time waveform display; at the same time, another signal is transmitted to the MCU control circuit 121. The single-chip microcomputer U3 in the MCU control circuit 121 contains a pre-burned program, and makes corresponding output control after signal analysis. Specifically, the MCU control circuit 121 controls the signal strength output circuit 127, the audio output circuit 128, and the vibration output circuit 129 to respectively drive the signal strength display component 17, the audio device 19, and the vibration motor 20 to respond accordingly; when the received RF signal becomes larger or smaller, the signal strength display component 17 is lit, and then becomes more or smaller. When the signal is strong enough, the signal strength display component 17 is fully lit, accompanied by the audio device 19 issuing a warning sound. You can also select vibration warning or simulated electromagnetic wave interference sound warning by clicking the corresponding button component 15; when the signal response is too strong or too weak, just press the automatic adaptation button in the button component 15, and the sensitivity will automatically return to the appropriate state without other adjustments, so as to achieve the purpose of simple operation; when the magnetic induction antenna component 14 is inserted into the signal amplification circuit 125 for electrical connection, the MCU control circuit 121 controls the device to automatically switch to the magnetic detection mode, and the magnetic induction signal is transmitted to the MCU control circuit 121 through the signal amplification circuit 125 for processing, and then the MCU control circuit 121 transmits the processed signal to the waveform amplification and shaping circuit 123, the waveform display circuit 124, and the display screen 16 in turn for real-time waveform display; at the same time, another signal controls the signal strength output circuit 127, the audio output circuit 128, and the vibration output circuit 129 to respectively drive the signal strength display component 17, the audio device 19, and the vibration motor 20 to respond accordingly.

[0031] See also Figure 1-Figure 4As shown, in this embodiment, the RF antenna component 13 adopts a multi-frequency, ultra-wideband, high-gain antenna, on which an RF antenna interface 131 is provided, and the RF antenna interface 131 is fixedly threaded and electrically connected to the circuit board 12; the magnetic induction antenna component 14 is provided with a magnetic induction interface 141, and the magnetic induction interface 141 movably penetrates the shell component 11 and is detachably electrically connected to the circuit board 12. Specifically, the magnetic induction interface 141 adopts a Type C interface.

[0032] See also Figure 1 and Figure 3 As shown, in this embodiment, the button assembly 15 includes a switch button and a function button; the switch button controls the opening or closing of the detector; the function button sets the function of the detector. Specifically, the function button includes an automatic adaptation button. Pressing the automatic adaptation button automatically restores the sensitivity to a suitable state without other adjustments, thereby achieving the purpose of simple operation.

[0033] See also Figure 1-Figure 4 As shown, in this embodiment, the signal strength display component 17 uses multiple LED lights, and the multiple LED lights are fixed in parallel and electrically connected to the circuit board 12 and respectively penetrate the housing component 11. The number of the LED lights that are lit represents the strength of the signal. The battery component 18 can be a dry cell or a rechargeable battery. In this embodiment, the battery component 18 uses a rechargeable battery, specifically, the battery component 18 uses a polymer lithium-ion battery. The audio device 19 can be a buzzer or a speaker. In this embodiment, the audio device 19 uses a buzzer.

[0034] See also Figure 1-Figure 4 As shown, in this embodiment, a multifunctional detection device of the utility model is also provided with an interface component 21, and the interface component 21 includes the charging interface 211, the RF antenna connection interface and the magnetic induction antenna connection interface; the charging interface 211, the RF antenna connection interface, and the magnetic induction antenna connection interface are respectively fixedly arranged on the circuit board 12 and pass through the shell component 11; the charging interface 211 performs charging operation on the battery assembly 18; the RF antenna connection interface is electrically connected to the RF antenna interface 131 with a fixed thread; the magnetic induction antenna connection interface is electrically connected to the magnetic induction interface 141 in a detachable manner.

[0035] It should be noted that the specific working process of the multifunctional detection device of the utility model is: the RF signal is received by the RF antenna component 13, and then the signal strength display component 17, the audio device 19, and the vibration motor 20 are driven to respond accordingly through processing and analysis of the circuit board 12; when the magnetic induction antenna component 14 is electrically connected to the circuit board 12, the device automatically switches to the magnetic detection mode, and the magnetic induction signal is received by the magnetic induction antenna component 14, and then the signal strength display component 17, the audio device 19, and the vibration motor 20 are driven to respond accordingly through processing and analysis of the circuit board 12; at the same time, the automatic adaptation button in the button component 15 can be pressed to make the sensitivity of the device automatically return to an appropriate state without other adjustments, thereby achieving the purpose of simple operation.

[0036] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0037] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A multifunctional detection device, characterized in that: It includes a shell component, which is a hollow cavity; a circuit board fixedly arranged in the shell component; an RF antenna component fixedly electrically connected to the circuit board, which can receive RF signals; a magnetic induction antenna component that passes through the shell component and is detachably electrically connected to the circuit board, and when the magnetic induction antenna component is electrically connected to the circuit board, the circuit board automatically switches to a magnetic detection mode; a button component, a display screen and a signal strength display component that respectively pass through the shell component; a battery component fixedly arranged in the shell component; the circuit board is electrically connected to the RF antenna component, the magnetic induction antenna component, the button component, the display screen, the signal strength display component and the battery component, respectively.

2. A multifunctional detection device according to claim 1, characterized in that: It also includes an audio device and a vibration motor. The audio device and the vibration motor are respectively fixedly arranged in the housing component and are respectively electrically connected to the circuit board.

3. A multifunctional detection device according to claim 2, characterized in that: The circuit board is provided with an MCU control circuit; a waveform amplification and shaping circuit, a waveform display circuit, a signal amplification circuit, a power management circuit, a signal strength output circuit, an audio output circuit and a vibration output circuit which are electrically connected to the MCU control circuit respectively; a high-frequency detection circuit which is electrically connected to the RF antenna assembly and the waveform amplification and shaping circuit respectively; the waveform display circuit is electrically connected to the waveform amplification and shaping circuit and the display screen respectively; the signal amplification circuit is detachably electrically connected to the magnetic induction antenna assembly; the power management circuit is electrically connected to the waveform display circuit, the battery assembly and the charging interface respectively; the signal strength output circuit, the audio output circuit and the vibration output circuit are electrically connected to the signal strength display assembly, the audio device and the vibration motor respectively.

4. A multifunctional detection device according to claim 3, characterized in that: The MCU control circuit includes a control chip, and the control chip is a single-chip microcomputer.

5. A multifunctional detection device according to claim 1, characterized in that: The RF antenna assembly adopts a multi-frequency, ultra-wide-band, high-gain antenna.

6. A multifunctional detection device according to claim 5, characterized in that: The RF antenna assembly is provided with an RF antenna interface, and the RF antenna interface is fixedly threadedly electrically connected to the circuit board.

7. A multifunctional detection device according to claim 6, characterized in that: The magnetic induction antenna assembly is provided with a magnetic induction interface, and the magnetic induction interface movably penetrates the housing assembly and is detachably and electrically connected to the circuit board.

8. A multifunctional detection device according to claim 7, characterized in that: It further includes a charging interface, an RF antenna connection interface and a magnetic induction antenna connection interface; the charging interface, the RF antenna connection interface, and the magnetic induction antenna connection interface are respectively fixedly arranged on the circuit board and pass through the shell assembly; the RF antenna connection interface is electrically connected to the RF antenna interface by a fixed thread; the magnetic induction antenna connection interface is electrically connected to the magnetic induction interface in a detachable manner.

9. A multifunctional detection device according to any one of claims 1 to 8, characterized in that: The signal strength display component uses a plurality of LED lights, which are fixed in parallel and electrically connected to the circuit board and respectively penetrate the housing component.

10. A multifunctional detection device according to any one of claims 2 to 4, characterized in that: The battery assembly adopts a dry cell or a rechargeable battery; the audio device adopts a buzzer or a speaker.

Images