Handheld metal and nuclear radiation dual-function detector

Abstract

The utility model relates to the technical field of detectors, and provides a handheld metal and nuclear radiation dual-function detector, which comprises a control switch provided with a first station and a second station; the metal detection module is electrically connected with the control switch and is used for carrying out metal detection on the to-be-detected object when the control switch is at the first station or the second station so as to generate a first detection signal; the nuclear radiation detection module is electrically connected with the control switch and is used for performing nuclear radiation detection on the to-be-detected object when the control switch is at the first station so as to generate a second detection signal; and the alarm module is electrically connected with the metal detection module and the nuclear radiation detection module. According to the handheld metal and nuclear radiation dual-function detector provided by the utility model, through the station design of the control switch, independent operation of a common metal detection function is preferentially ensured, and the nuclear radiation detection module is only started when needed, so that the overall power consumption of equipment is remarkably reduced, and the battery life is prolonged; the problem of energy waste caused by parallel work of traditional dual-function equipment is solved.

Description

Technical Field

[0001] This utility model relates to the field of detector technology, and in particular to a handheld dual-function detector for metal and nuclear radiation. Background Technology

[0002] With the increasing demand for detection technology in the public safety sector, rapid identification of hazardous materials in multiple scenarios has become a critical issue. Traditional detection equipment typically employs a single-function design, such as a standalone metal detector or nuclear radiation detector. Such devices require frequent switching operations in complex environments, resulting in low efficiency and inconvenience. Although some integrated detection devices exist on the market, they mostly adopt a parallel operating mode, meaning that the metal detection and nuclear radiation detection modules always operate synchronously. This design has significant drawbacks: the continuous power consumption of the nuclear radiation detection module significantly shortens the device's battery life, while in practical applications, the frequency of metal detection is far higher than that of nuclear radiation detection, affecting the device's battery life and increasing operating costs. Utility Model Content

[0003] This invention provides a handheld dual-function metal and nuclear radiation detector to solve the problem that traditional detection equipment usually adopts a single-function design, such as a stand-alone metal detector or nuclear radiation detector. Such equipment requires frequent switching in complex environments, resulting in low efficiency and inconvenience.

[0004] This utility model provides a handheld dual-function metal and nuclear radiation detector, comprising:

[0005] The control switch has a first position and a second position.

[0006] A metal detection module is electrically connected to the control switch and is used to perform metal detection on the object to be tested when the control switch is in the first position or the second position, so as to generate a first detection signal including whether the object to be tested is metal.

[0007] A nuclear radiation detection module is electrically connected to the control switch and is used to perform nuclear radiation detection on the object under test when the control switch is in the first position, so as to generate a second detection signal including the nuclear radiation status of the object under test.

[0008] An alarm module, electrically connected to the metal detection module and the nuclear radiation detection module, is used to provide an alarm prompt based on the results of the first detection signal and / or the second detection signal.

[0009] According to the present invention, a handheld dual-function metal and nuclear radiation detector is provided, the handheld dual-function metal and nuclear radiation detector further includes: a housing;

[0010] An installation cavity is formed inside the housing;

[0011] The control switch, the metal detection module, the nuclear radiation detection module, and the alarm module are all located inside the mounting cavity;

[0012] The control terminal on the control switch extends outside the mounting cavity, and the part of the alarm module used to indicate the detection result extends outside the mounting cavity.

[0013] According to the present invention, a handheld dual-function metal and nuclear radiation detector is provided, which further includes:

[0014] The first power module is located inside the mounting cavity and is electrically connected to the metal detection module and the nuclear radiation detection module via the control switch.

[0015] According to the present invention, a handheld dual-function metal and nuclear radiation detector is provided, which further includes:

[0016] The second power module is connected to the outside of the housing and is electrically connected to the metal detection module and the nuclear radiation detection module via the control switch.

[0017] According to the present invention, a handheld dual-function metal and nuclear radiation detector is provided, wherein the metal detection module includes a metal coil and a first control board; and the nuclear radiation detection module includes a radiation detection tube and a second control board.

[0018] The metal coil, the second control board, the first control board, and the first power module are arranged sequentially in the mounting cavity; the radiation detection tubes are spaced apart on one side of the metal coil, and a shielding plate for shielding the electromagnetic signals of the metal coil is provided between the radiation detection tubes and the metal coil;

[0019] The metal coil is electrically connected to the first power module and / or the second power module through the first control board, and the radiation detection tube is electrically connected to the first power module and / or the second power module in sequence through the second control board and the first control board.

[0020] According to the present invention, a handheld dual-function metal and nuclear radiation detector is provided, wherein the control switch includes: a first switch and a second switch;

[0021] At the first workstation, the first switch is closed to activate the metal detection module, and the second switch is closed to activate the nuclear radiation detection module;

[0022] At the second workstation, the first switch is closed to activate the metal detection module, and the second switch is opened to deactivate the nuclear radiation detection module.

[0023] According to the present invention, a handheld dual-function metal and nuclear radiation detector is provided, the alarm module comprising:

[0024] A first indicator light is disposed on the metal detection module or the nuclear radiation detection module. The indicator portion of the first indicator light is located outside the housing and is configured to provide a light indication based on the first detection signal from the metal detection module.

[0025] A second indicator light is disposed on the metal detection module or the nuclear radiation detection module. The indicator portion of the second indicator light is located outside the housing and is configured to provide a light indication based on the second detection signal from the nuclear radiation detection module.

[0026] According to the handheld metal and nuclear radiation dual-function detector provided by this utility model, the alarm module further includes:

[0027] A buzzer, mounted on the metal detection module or the nuclear radiation detection module, is configured to provide an audible prompt based on the first detection signal from the metal detection module.

[0028] A vibrator, disposed on the metal detection module or the nuclear radiation detection module, is configured to provide a vibration alert based on the first detection signal from the metal detection module.

[0029] According to the handheld metal and nuclear radiation dual-function detector provided by this utility model, the alarm module further includes:

[0030] A switch is electrically connected to the first indicator light, the second indicator light, the buzzer, and the vibrator, and is used to control the handheld metal and nuclear radiation dual-function detector to switch between the first working mode and the second working mode.

[0031] In the first working mode, the alarm module sounds an alarm through the buzzer, the first indicator light, and the second indicator light;

[0032] In the second operating mode, the alarm module issues an alarm through the vibrator, the first indicator light, and the second indicator light.

[0033] According to the present invention, a handheld dual-function metal and nuclear radiation detector is provided, wherein the housing includes: a first outer shell and a second outer shell;

[0034] The first outer shell and the second outer shell are mated together to form the mounting cavity;

[0035] The first housing and / or the second housing have a detection part and a gripping part formed on their exteriors. The detection ends of the metal detection module and the nuclear radiation detection module are located in the detection part, and the outer contour of the gripping part is recessed to fit the hand gripping.

[0036] This utility model provides a handheld metal and nuclear radiation dual-function detector. Through a control switch design, it prioritizes the independent operation of commonly used metal detection functions, while the nuclear radiation detection module is activated only when needed. This significantly reduces overall power consumption and extends battery life, solving the energy waste problem caused by parallel operation in traditional dual-function devices. Simultaneously, users can quickly switch operating modes with a single control switch, eliminating the need for multiple independent switch operations or complex settings. Especially in emergency scenarios, a single button can trigger the dual detection mode (simultaneous metal and nuclear radiation detection), greatly shortening response time and meeting the rapid screening needs of public security, nuclear emergency, and other scenarios. Attached Figure Description

[0037] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0038] Figure 1 This is one of the schematic diagrams of the handheld metal and nuclear radiation dual-function detector provided by this utility model.

[0039] Figure 2 This is the second schematic diagram of the handheld metal and nuclear radiation dual-function detector provided by this utility model.

[0040] Figure 3 This is one of the internal structural diagrams of the handheld metal and nuclear radiation dual-function detector provided by this utility model.

[0041] Figure 4 This is the second schematic diagram of the internal structure of the handheld metal and nuclear radiation dual-function detector provided by this utility model.

[0042] Figure label:

[0043] 1. Metal detection module; 11. Metal coil; 12. First control board;

[0044] 2. Nuclear radiation detection module; 21. Radiation detection tube; 22. Second control board;

[0045] 3. Control switch; 31. First switch; 32. Second switch;

[0046] 4. Housing; 41. First outer shell; 42. Second outer shell; 43. Detection unit; 44. Grip unit;

[0047] 5. First power supply module;

[0048] 6. Second power supply module; 61. Charging port;

[0049] 7. Alarm module; 71. First indicator light; 72. Second indicator light; 73. Buzzer; 74. Vibrator; 75. Switch. Detailed Implementation

[0050] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0051] The following is combined Figures 1-4 This invention describes a handheld dual-function metal and nuclear radiation detector. This handheld dual-function metal and nuclear radiation detector can activate the radiation detection module when the metal detection module 1 is enabled, achieving metal detection while also detecting nuclear radiation such as alpha particles, beta particles, gamma rays, or X-rays.

[0052] In some embodiments, such as Figures 1 to 4 As shown, a handheld dual-function metal and nuclear radiation detector includes: a control switch 3, a metal detection module 1, a nuclear radiation detection module 2, and an alarm module 7. The control switch 3 has a first position and a second position; the metal detection module 1 is electrically connected to the control switch 3 and is used to perform metal detection on the object under test when the control switch 3 is in the first or second position, generating a first detection signal indicating whether the object under test is metal; the nuclear radiation detection module 2 is electrically connected to the control switch 3 and is used to perform nuclear radiation detection on the object under test when the control switch 3 is in the first position, generating a second detection signal indicating the nuclear radiation status of the object under test; the alarm module 7 is electrically connected to the metal detection module 1 and the nuclear radiation detection module 2 and is used to provide an alarm prompt based on the results of the first and / or second detection signals.

[0053] In this embodiment, the control switch 3 has multiple working positions, including at least a first working position and a second working position, and a third working position can also be set as needed. By switching the working position of the control switch 3, the working mode of the handheld metal and nuclear radiation dual-function detector can be quickly switched, realizing the combination or individual activation of different detection functions.

[0054] When control switch 3 is in the first position, metal detection module 1 and nuclear radiation detection module 2 operate simultaneously. This is suitable for scenarios requiring simultaneous metal and nuclear radiation detection, such as comprehensive inspections in public security and rapid detection in nuclear emergencies. It can complete both types of detection at once, improving detection efficiency. Especially in emergencies, a single button can trigger the dual detection mode, significantly shortening security check response time.

[0055] When control switch 3 is in the second position, only metal detection module 1 operates, while nuclear radiation detection module 2 is off. This is suitable for scenarios with low demand for nuclear radiation detection, such as routine metal security checks. This detection method prioritizes the independent operation of commonly used metal detection functions, avoiding unnecessary energy consumption and extending the equipment's battery life.

[0056] In one embodiment of this invention, the control switch 3 further has a third position. When the control switch 3 is in the third position, only the nuclear radiation detection module 2 operates, while the metal detection module 1 is turned off. This is suitable for detection scenarios specifically targeting nuclear radiation, such as radiation monitoring around nuclear facilities. Users can flexibly select the detection mode according to specific needs, improving the applicability and flexibility of the equipment.

[0057] In actual use, the user turns on the handheld metal and nuclear radiation dual-function detector, and the device performs an initial self-test to ensure that all modules are working properly. The user selects the appropriate working mode (first station, second station, or third station) via control switch 3 according to actual detection needs. The device then activates the corresponding detection module based on the selected working mode. For example, in the first station, metal detection module 1 and nuclear radiation detection module 2 are activated simultaneously; in the second station, only metal detection module 1 is activated. Metal detection module 1 and / or nuclear radiation detection module 2 detect the object under test, generating corresponding detection signals. These signals are processed and analyzed by the internal circuitry to determine whether they meet preset alarm conditions. When the detection signal reaches the alarm condition, alarm module 7 issues an audible and visual alarm to alert the user of abnormal detection results. The user can take appropriate measures based on the alarm prompt, such as further inspection or isolating the object. Furthermore, the device can record and store detection results and alarm information for easy retrieval and analysis by the user, providing data support for safety management and decision-making.

[0058] This utility model provides a handheld metal and nuclear radiation dual-function detector. Through the station design of the control switch 3, it prioritizes the independent operation of the commonly used metal detection function, while the nuclear radiation detection module 2 is only activated when needed. This significantly reduces the overall power consumption of the device, extends battery life, and solves the energy waste problem caused by parallel operation in traditional dual-function devices. At the same time, users can quickly switch the working mode with a single control switch 3, without having to operate multiple independent switches or complex settings. Especially in emergency scenarios, the dual detection mode (simultaneous detection of metal and nuclear radiation) can be triggered with one click, greatly shortening the response time and meeting the needs of rapid investigation in public security, nuclear emergency, and other scenarios.

[0059] In some embodiments, such as Figures 1 to 4 As shown, the handheld metal and nuclear radiation dual-function detector also includes: a housing 4; an installation cavity is formed inside the housing 4; the control switch 3, the metal detection module 1, the nuclear radiation detection module 2 and the alarm module 7 are all located inside the installation cavity; the control terminal on the control switch 3 extends to the outside of the installation cavity, and the part of the alarm module 7 used to indicate the detection result extends to the outside of the installation cavity.

[0060] In this embodiment, the housing 4 serves as the external protective structure of the device, providing physical support and protection for the internal modules and preventing the influence of the external environment on the internal components, such as dust and moisture. A relatively closed mounting cavity is formed inside the housing 4 to accommodate and fix components such as the control switch 3, metal detection module 1, nuclear radiation detection module 2, and alarm module 7, ensuring stable and reliable electrical connections between the modules, while also facilitating the overall layout and compact design of the device.

[0061] Control switch 3 is fixed to housing 4 and installed inside the mounting cavity. The control end of control switch 3 extends outside the mounting cavity through appropriate openings or penetrating structures for easy user operation. Control switch 3 has multiple stations, allowing for rapid switching between different detection modes by changing the stations. Metal detection module 1 is located inside the mounting cavity and electrically connected to control switch 3. When control switch 3 is in different stations, it can activate the metal detection function according to instructions, perform metal detection on the object under test, and generate a corresponding first detection signal. Nuclear radiation detection module 2 is also located inside the mounting cavity and electrically connected to control switch 3. When control switch 3 is in the first or third station, it activates the nuclear radiation detection function, performs nuclear radiation detection on the object under test, and generates a second detection signal.

[0062] The alarm module 7 is installed inside the mounting cavity and is electrically connected to the metal detection module 1 and the nuclear radiation detection module 2. It determines whether to trigger an alarm based on the received detection signal. The components of the alarm module 7 used to indicate the detection results (such as indicator lights, buzzer 73, etc.) extend outside the mounting cavity through openings or transparent windows in the housing 4, ensuring that the user can clearly perceive the alarm indication.

[0063] In some embodiments, such as Figure 3 and Figure 4 As shown, the handheld metal and nuclear radiation dual-function detector also includes: a first power module 5, which is disposed in the mounting cavity and is electrically connected to the metal detection module 1 and the nuclear radiation detection module 2 via a control switch 3.

[0064] Specifically, the first power supply module 5 is located in the same enclosed space as the metal detection module 1 and the nuclear radiation detection module 2, facilitating the connection and layout of the internal circuitry. It is electrically connected to the metal detection module 1 and the nuclear radiation detection module 2 via a control switch 3. The control switch 3 is not only used to switch detection modes but also to control the power supply, directing the power supply module to the corresponding detection module based on the selected workstation, thus achieving rational energy allocation and management.

[0065] The first power module 5 typically uses primary batteries, such as common dry cell batteries (alkaline or carbon-zinc batteries). Primary batteries are convenient to use and require no charging, making them suitable as a basic power source within the device, providing stable power support for its basic operation. Their disposable nature also facilitates replacement after the battery is depleted, ensuring continuous availability of the device.

[0066] A second power module 6 can be added as needed. The second power module 6 is connected to the outside of the housing 4 and is electrically connected to the metal detection module 1 and the nuclear radiation detection module 2 through the control switch 3.

[0067] In this embodiment, the second power module 6 is connected outside the housing 4, relatively independent of the main body of the device, facilitating external connection and management. It is also electrically connected to the metal detection module 1 and the nuclear radiation detection module 2 via the control switch 3. This connection method allows users to flexibly connect an external power source during device operation without opening the device housing, improving operational convenience and safety.

[0068] The second power module 6 is typically a battery, such as a rechargeable lithium-ion battery or a nickel-metal hydride battery. Batteries are rechargeable and have a large capacity, making them suitable for applications requiring long-term, high-power operation. As an external power source, it can provide additional power when the first power module 5 is low on power, or provide independent power in detection modes requiring higher power output, meeting the energy needs of the equipment under special operating conditions.

[0069] The second power module 6 is detachable as a whole. When the device needs to be upgraded, repaired, or the battery replaced, the user does not need to disassemble the entire device; they can simply quickly remove and replace the second power module 6. Alternatively, a charging port 61 can be provided on the second power module 6. The charging port 61 can use a USB Type-C interface or other interfaces. Generally, it is not necessary to remove the second power module 6 during charging; it can be charged directly using a charging cable. As an auxiliary power source, the second power module 6 provides additional power support to the device under specific circumstances, enhancing the device's battery life and applicability. It is especially suitable for use in detection modes that require long-term continuous testing or have high power demands.

[0070] When both the first power module 5 and the second power module 6 are configured, the control switch 3, while switching between different workstations to select the detection mode, is also responsible for coordinating the power supply of the first power module 5 and the second power module 6. When the equipment is in a normal detection mode (such as metal detection only), it is mainly powered by the first power module 5 to save power to the second power module 6. However, in modes requiring high power or long-term operation (such as simultaneous detection of metals and nuclear radiation), the control switch 3 will automatically switch to the second power module 6 for power supply, or enable simultaneous power supply from both power modules, to ensure a stable and reliable energy supply for the equipment under different operating conditions.

[0071] The coordinated operation of the first power module 5 and the second power module 6 significantly enhances the device's battery life. The primary battery, as the internal base power source, provides initial assurance for the device's operation; while the storage battery, as the external auxiliary power source, can provide additional power support when needed, extending the device's usage time and meeting the testing requirements in different scenarios.

[0072] In some embodiments, such as Figures 1 to 4 As shown, the metal detection module 1 includes a metal coil 11 and a first control board 12; the nuclear radiation detection module 2 includes a radiation detection tube 21 and a second control board 22. The metal coil 11, the second control board 22, the first control board 12, and the first power module 5 are arranged sequentially within the mounting cavity. This layout facilitates electrical connections between modules and reduces wiring crossover and interference. The radiation detection tubes 21 are spaced apart on one side of the metal coil 11. A shielding plate is provided between the radiation detection tubes 21 and the metal coil 11 to shield the electromagnetic signals of the metal coil 11, thereby reducing interference from the metal detection module 1 to the nuclear radiation detection module 2, preventing the metal coil 11 from affecting the detection of the radiation detection tube 21, and ensuring the accuracy of nuclear radiation detection. The metal coil 11 is electrically connected to the first power module 5 and / or the second power module 6 via the first control board 12, and the radiation detection tube 21 is electrically connected to the first power module 5 and / or the second power module 6 sequentially via the second control board 22 and the first control board 12.

[0073] In this embodiment, the metal coil 11 is used to generate an alternating magnetic field. When a metal object enters the magnetic field, eddy currents are generated in the metal, which in turn affects the impedance of the coil, thus realizing the detection of metal. The first control board 12 includes the circuits and control components required for metal detection, such as a signal generator and a signal processing circuit, which are used to control the working state of the metal coil 11, process the detection signal, and transmit the processed signal to the alarm module 7.

[0074] The radiation detection tube 21 is a Geiger tube, a common type of radiation detector capable of detecting various types of radiation such as alpha, beta, and gamma rays. When rays enter the Geiger tube, they ionize the gas inside, generating electrical pulses. The radiation intensity is measured by counting the number of electrical pulses. The second control board 22 contains the circuitry and control components required for nuclear radiation detection, such as a high-voltage power supply circuit and a signal processing circuit. It provides operating voltage to the Geiger tube, processes the detection signal, and transmits the processed signal to the alarm module 7.

[0075] The shielding plate can be made of various materials, commonly including metal plates (such as iron plates, copper plates, and aluminum plates), ferrite materials, and conductive cloth or conductive foam. These materials can effectively reflect, absorb, or dissipate the electromagnetic signals generated by the metal coil 11, reducing interference with the radiation detection tube 21.

[0076] In one specific embodiment of this utility model, such as Figures 1 to 4 As shown, the control switch 3 includes a first switch 31 and a second switch 32. When the control switch 3 is in the first position, the first switch 31 is closed to activate the metal detection module 1, and the second switch 32 is closed to activate the nuclear radiation detection module 2; when the control switch 3 is in the second position, the first switch 31 is closed to activate the metal detection module 1, and the second switch 32 is open to shut down the nuclear radiation detection module 2.

[0077] Specifically, for ease of user control, the control switch 3 can be divided into a first switch 31 and a second switch 32. When the first switch 31 is closed, the metal detection module 1 is activated. At this time, the metal detection module 1 receives power from the first power module 5 and / or the second power module 6, and begins normal operation to perform metal detection on the object under test. When the second switch 32 is closed, the nuclear radiation detection module 2 is activated. The nuclear radiation detection module 2 also receives power from the first power module 5 and / or the second power module 6, and begins normal operation to perform nuclear radiation detection on the object under test. By continuing to close the second switch 32 while the first switch 31 is closed, both metal detection and nuclear radiation detection can be performed on the object under test simultaneously.

[0078] Based on the above embodiments, in one example, such as Figures 1 to 4As shown, the alarm module 7 includes a first indicator light 71 and a second indicator light 72. The first indicator light 71 is disposed on the metal detection module 1 or the nuclear radiation detection module 2, and the indicating part of the first indicator light 71 is located outside the housing 4. It is configured to provide a light indication based on the first detection signal from the metal detection module 1. The second indicator light 72 is disposed on the metal detection module 1 or the nuclear radiation detection module 2, and the indicating part of the second indicator light 72 is located outside the housing 4. It is configured to provide a light indication based on the second detection signal from the nuclear radiation detection module 2.

[0079] In this embodiment, the first control board 12 serves as the main control board. Both the first indicator light 71 and the second indicator light 72 are connected to the first control board 12. The first indicator light 71 and the first control board 12 are rigidly connected, such as directly fixed by reliable electrical connection methods like soldering or plugging. This connection method ensures stable signal transmission between the first indicator light 71 and the first control board 12, reducing the risk of malfunctions due to loose connections. The second indicator light 72 is installed in the mounting cavity of the housing 4 and connected to the first control board 12 via a flying wire. The flying wire connection provides greater installation flexibility, especially when the second indicator light 72 is far from the first control board 12 or when layout space is limited, facilitating electrical connection.

[0080] The first indicator light 71 and the second indicator light 72 have different alarm indicator colors to visually distinguish between alarm signals for metal detection and nuclear radiation detection. For example, the first indicator light 71 can use green to indicate normal metal detection and red to indicate abnormal metal detection; the second indicator light 72 can use blue to indicate normal nuclear radiation detection and yellow to indicate abnormal nuclear radiation detection. Through color differentiation, users can quickly and accurately determine the type and status of the detection results, improving the ease of use of the equipment and emergency response efficiency.

[0081] During operation, the first control board 12 receives detection signals from the metal detection module 1 and the nuclear radiation detection module 2, and performs corresponding processing and judgment. When the detection signal reaches a preset alarm threshold, the first control board 12 sends a control signal to the corresponding indicator light, triggering the light indicator. The first indicator light 71 and the second indicator light 72 perform indicator actions such as flashing, remaining on, or changing color according to the received control signal. The light indicator mode and color change pattern can be designed according to actual needs, such as flashing frequency indicating the urgency of the alarm, and color gradient indicating the trend of the detection value, providing users with rich and intuitive alarm information.

[0082] Furthermore, the alarm module 7 also includes a buzzer 73 and a vibrator 74. The buzzer 73 is installed on the metal detection module 1 or the nuclear radiation detection module 2 and is configured to provide an audible alert based on the first detection signal from the metal detection module 1; the vibrator 74 is installed on the metal detection module 1 or the nuclear radiation detection module 2 and is configured to provide a vibration alert based on the first detection signal from the metal detection module 1.

[0083] In this embodiment, the first control board 12 serves as the main control board. Both the buzzer 73 and the vibrator 74 are mounted on the first control board 12. The buzzer 73 is located inside the housing 4 at the position corresponding to the sound outlet to facilitate sound transmission and ensure that the alarm sound can be clearly heard even in noisy environments. The vibrator 74 is located inside the housing 4 at the part corresponding to the person's grip, so that the detection personnel can perceive it at any time, which is suitable for scenarios requiring silent operation.

[0084] The buzzer 73 and vibrator 74 provide additional alarm methods, enhancing the device's applicability in various environments. The audible alert from the buzzer 73 can remind users in noisy environments, while the tactile alert from the vibrator 74 is suitable for quiet settings such as hospitals and libraries, avoiding noise disturbance to others while ensuring that testing personnel can promptly perceive the alarm signal.

[0085] In addition, the buzzer 73 emits sounds of different frequencies or tones according to the control signal, while the vibrator 74 generates vibrations of different intensities or durations. These alert methods can be adjusted according to the severity of the detected signal. For example, when a high concentration of nuclear radiation is detected, the buzzer 73 emits a rapid, high-frequency sound, and the vibrator 74 generates a strong vibration to alert the user to take immediate action.

[0086] In some embodiments, such as Figure 3 and Figure 4 As shown, the alarm module 7 also includes a switch 75. The switch 75 is electrically connected to the first indicator light 71, the second indicator light 72, the buzzer 73, and the vibrator 74, and is used to control the handheld metal and nuclear radiation dual-function detector to switch between the first working mode and the second working mode.

[0087] In its first operating mode, the handheld metal and nuclear radiation dual-function detector uses alarm module 7 to sound an alarm via buzzer 73, first indicator light 71, and second indicator light 72. This mode is suitable for most routine detection scenarios that require both sound and light cues, quickly attracting the attention of detection personnel and distinguishing different types of detection alarms through light color.

[0088] In the second working mode, the handheld metal and nuclear radiation dual-function detector uses alarm module 7 to sound an alarm via vibrator 74, first indicator light 71, and second indicator light 72. This mode is suitable for special scenarios requiring silent operation, such as detection in quiet environments like hospitals and libraries, or for use in situations requiring covert detection, avoiding unnecessary attention and panic caused by audible alerts.

[0089] In this embodiment, the user can easily switch between two working modes via the switch 75, and select the most suitable alarm method according to the actual detection environment and needs, thereby improving the applicability and operational flexibility of the equipment.

[0090] Based on the above embodiments, such as Figures 1 to 4 As shown, in one embodiment, the housing 4 includes a first outer shell 41 and a second outer shell 42; the first outer shell 41 and the second outer shell 42 are mated together to form a mounting cavity. The first housing 4 is the upper housing 4, and the second housing 4 is the lower housing 4. The mounting cavity formed by the mating of the first housing 4 and the second outer shell 42 accommodates and secures the various functional modules inside the equipment. Dividing the housing 4 into two parts facilitates the disassembly and maintenance of the modules inside the equipment in the future.

[0091] In this embodiment, a detection section 43 and a grip section 44 are formed on the exterior of the first housing 41 and / or the second housing 42. The detection ends of the metal detection module 1 and the nuclear radiation detection module 2 are located in the detection section 43. The detection section 43, located on the exterior of the first housing 41 and / or the second housing 42, is the area where the device performs detection. The detection ends of the metal detection module 1 and the nuclear radiation detection module 2 are located at different positions on the detection section 43 to ensure accurate contact or proximity with the object to be tested, thereby obtaining reliable detection data. The outer contour of the grip section 44 is recessed to accommodate hand gripping. The shape and size of the grip section 44 should conform to the natural curvature and gripping habits of the human hand, providing a comfortable grip and reducing fatigue during prolonged use. In addition, the surface material of the grip section 44 can be treated with an anti-slip coating to increase friction, ensuring that the device is not easily slipped during use and improving operational stability.

[0092] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A handheld dual-function metal and nuclear radiation detector, characterized in that, include: The control switch (3) has a first station and a second station; The metal detection module (1) is electrically connected to the control switch (3) and is used to perform metal detection on the object to be tested when the control switch (3) is in the first station or the second station, so as to generate a first detection signal including whether the object to be tested is metal. The nuclear radiation detection module (2) is electrically connected to the control switch (3) and is used to perform nuclear radiation detection on the object to be tested when the control switch (3) is in the first working position, so as to generate a second detection signal including the nuclear radiation status of the object to be tested; The alarm module (7) is electrically connected to the metal detection module (1) and the nuclear radiation detection module (2) and is used to provide an alarm prompt based on the result of the first detection signal and / or the second detection signal.

2. The handheld dual-function metal and nuclear radiation detector according to claim 1, characterized in that, The handheld metal and nuclear radiation dual-function detector also includes: a housing (4); An installation cavity is formed inside the housing (4); The control switch (3), the metal detection module (1), the nuclear radiation detection module (2), and the alarm module (7) are all located inside the mounting cavity; The control terminal on the control switch (3) extends outside the mounting cavity, and the part of the alarm module (7) used to indicate the detection result extends outside the mounting cavity.

3. The handheld dual-function metal and nuclear radiation detector according to claim 2, characterized in that, The handheld metal and nuclear radiation dual-function detector also includes: The first power module (5) is located in the mounting cavity and is electrically connected to the metal detection module (1) and the nuclear radiation detection module (2) through the control switch (3).

4. The handheld dual-function metal and nuclear radiation detector according to claim 3, characterized in that, The handheld metal and nuclear radiation dual-function detector also includes: The second power module (6) is connected outside the housing (4) and is electrically connected to the metal detection module (1) and the nuclear radiation detection module (2) through the control switch (3).

5. The handheld dual-function metal and nuclear radiation detector according to claim 4, characterized in that, The metal detection module (1) includes a metal coil (11) and a first control board (12); the nuclear radiation detection module (2) includes a radiation detection tube (21) and a second control board (22). The metal coil (11), the second control board (22), the first control board (12) and the first power module (5) are arranged sequentially in the mounting cavity; the radiation detection tube (21) is spaced apart on one side of the metal coil (11), and a shielding plate for shielding the electromagnetic signals of the metal coil (11) is provided between the radiation detection tube (21) and the metal coil (11); The metal coil (11) is electrically connected to the first power module (5) and / or the second power module (6) through the first control board (12), and the radiation detection tube (21) is electrically connected to the first power module (5) and / or the second power module (6) in sequence through the second control board (22) and the first control board (12).

6. The handheld dual-function metal and nuclear radiation detector according to claim 1, characterized in that, The control switch (3) includes: a first switch (31) and a second switch (32); At the first workstation, the first switch (31) is closed to activate the metal detection module (1), and the second switch (32) is closed to activate the nuclear radiation detection module (2). At the second workstation, the first switch (31) is closed to activate the metal detection module (1), and the second switch (32) is opened to shut down the nuclear radiation detection module (2).

7. The handheld dual-function metal and nuclear radiation detector according to any one of claims 2-5, characterized in that, The alarm module (7) includes: A first indicator light (71) is provided on the metal detection module (1) or the nuclear radiation detection module (2). The indicator portion of the first indicator light (71) is located outside the housing (4) and is configured to provide light indication based on the first detection signal of the metal detection module (1). A second indicator light (72) is provided on the metal detection module (1) or the nuclear radiation detection module (2). The indicator portion of the second indicator light (72) is located outside the housing (4) and is configured to provide light indication based on the second detection signal of the nuclear radiation detection module (2).

8. The handheld dual-function metal and nuclear radiation detector according to claim 7, characterized in that, The alarm module (7) also includes: A buzzer (73) is disposed on the metal detection module (1) or the nuclear radiation detection module (2) and is configured to provide an audible prompt based on the first detection signal of the metal detection module (1); A vibrator (74) is disposed on the metal detection module (1) or the nuclear radiation detection module (2) and is configured to provide a vibration alert based on the first detection signal of the metal detection module (1).

9. The handheld dual-function metal and nuclear radiation detector according to claim 8, characterized in that, The alarm module (7) also includes: A switch (75) is electrically connected to the first indicator light (71), the second indicator light (72), the buzzer (73), and the vibrator (74) to control the handheld metal and nuclear radiation dual-function detector to switch between the first working mode and the second working mode. In the first working mode, the alarm module (7) alarms through the buzzer (73), the first indicator light (71) and the second indicator light; In the second working mode, the alarm module (7) alarms through the vibrator (74), the first indicator light (71) and the second indicator light.

10. The handheld dual-function metal and nuclear radiation detector according to any one of claims 2-5, characterized in that, The housing (4) includes: a first outer shell (41) and a second outer shell (42); The first outer shell (41) and the second outer shell (42) are mated together to form the mounting cavity; The first housing (41) and / or the second housing (42) have a detection part (43) and a grip part (44) formed on their exteriors. The detection ends of the metal detection module (1) and the nuclear radiation detection module (2) are located in the detection part (43). The outer contour of the grip part (44) is recessed to fit the hand grip.

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