Wall detector
By integrating distance measuring and detection modules into the wall detector and setting marking holes on the protective shell, the problems of single function and inaccurate marking in the existing technology are solved, and the effect of multi-functional measurement and accurate marking is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 深圳市精明鼠科技有限公司
- Filing Date
- 2025-04-02
- Publication Date
- 2026-04-28
AI Technical Summary
Existing wall detectors have limited functionality, making it difficult to accurately mark objects detected within walls, and require frequent instrument replacements to perform measurements for different functions.
A wall detector was designed, which integrates a ranging module and a detection module, and has marking holes on the protective shell to allow users to make accurate marks when detecting solid media.
The wall detector now combines distance measurement and solid medium detection functions, with high marking accuracy and reduced complexity in instrument replacement.
Smart Images

Figure CN224176746U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of measurement technology, specifically to a wall detector. Background Technology
[0002] A wall detector is an electronic instrument that can locate and detect various metallic and non-metallic objects inside walls. Existing wall detectors have limited functionality, and when they detect objects (such as metal) inside the wall, they cannot easily make accurate marks on the wall due to obstruction. Utility Model Content
[0003] This application provides a wall detector that combines distance measurement and solid medium detection functions. During the detection of solid media, the user can conveniently make relatively accurate marks on the solid media using the marking holes.
[0004] The wall detector includes:
[0005] A protective shell, wherein the protective shell is provided with marking holes, the marking holes extending through both opposite sides of the protective shell;
[0006] A ranging module, installed within the protective housing, is used to measure the distance from the target location to the wall detector; and
[0007] A detection module is installed inside the protective shell and is arranged adjacent to the marking hole. The detection module is used to detect hidden objects in a solid medium.
[0008] Optionally, the protective shell has a first end and a second end, the first end and the second end being opposite ends in the length direction of the protective shell, the ranging module being disposed at the first end, and the detection module being disposed at the second end.
[0009] Optionally, the protective shell has a first end and a second end, the first end and the second end being opposite ends in the length direction of the protective shell, and the wall detector further includes an NCV module, the NCV module being disposed at the second end.
[0010] Optionally, the protective shell has a first side and a second side facing away from each other, the marking hole extends from the first side to the second side, the detection module includes a first button, the first button is exposed on the first side; the wall detector also includes a display module, the display module is disposed between the detection module and the ranging module, and the display area of the display module is visible from the first side.
[0011] Optionally, there may be multiple first buttons, with at least two first buttons arranged around the marking hole.
[0012] Optionally, the ranging module includes a second button, which is exposed on the first side.
[0013] Optionally, the detection module further includes a detection coil disposed within the protective shell, the detection coil being arranged around the marking hole, and the detection coil being used to acquire information about the concealed object.
[0014] Optionally, the cross-section of the marking hole is circular.
[0015] Optionally, the wall detector further includes a marking module disposed within the protective housing. The protective housing has a light outlet, and the marking module is used to emit laser lines out of the protective housing through the light outlet so that a preset mark appears on the illuminated position.
[0016] Optionally, the protective shell includes a first shell, a second shell, and a column structure. The first shell and the second shell together form a receiving space for accommodating the ranging module and the detection module. The opposite ends of the column structure are respectively connected to the first shell and the second shell. The column structure is provided with a through hole, which forms the marking hole.
[0017] The wall detector provided in this application integrates both a distance measuring module and a solid medium detection module, thus combining distance measuring and solid medium detection functions. Furthermore, the protective casing has marking holes. When using the detection module to detect solid media, the user can face the marking holes towards themselves. When a hidden object is detected in the solid medium, a marker pen can be used to mark it through the marking holes. Therefore, the marking holes facilitate marking, and because the detection module and marking holes are adjacent, the marks made through the holes are more accurate. Attached Figure Description
[0018] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the implementation will be briefly introduced below. Obviously, the drawings described below are some implementations of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0019] Figure 1 A front view of the wall detector provided in the embodiments of this application;
[0020] Figure 2A cross-sectional view of the wall detector provided in the embodiments of this application;
[0021] Figure 3 A perspective view of the wall detector provided in the embodiments of this application;
[0022] Figure 4 This is a diagram showing the relative positions of the marking holes and the detection coil provided in the embodiments of this application.
[0023] Explanation of reference numerals in the attached figures:
[0024] Wall detector-1; Protective shell-10; First shell-110; Second shell-120; Column structure-130; First hollow column-131; Second hollow column-132; Distance measuring module-20; Second button-210; Signal transceiver assembly-220; Detection module-30; First button-310; Detection coil-320; Display module-40; NCV module-50; Marking module-60; First side-C1; Second side-C2; Third side-C3; First end-D1; Second end-D2; Marking hole-X; Light outlet-Y. Detailed Implementation
[0025] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.
[0026] In this document, references to "embodiment" or "implementation" mean that a particular feature, structure, or characteristic described in connection with an embodiment or implementation may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.
[0027] Existing wall detectors only have wall detection capabilities. For other functions, additional instruments, such as rangefinders with distance measurement capabilities, must be purchased separately. Understandably, since each instrument can only perform one function, users need to frequently switch instruments when detecting or measuring different objects and parameters, which is cumbersome and inconvenient. Furthermore, when a wall detector detects a hidden object (such as metal) within a wall, the orthographic projection of the detector module onto the wall corresponds to the hidden object. Users want to mark this projection location to indicate the object's position. However, because the wall detector obstructs the projection, users must first move the detector aside before marking, and the actual marked position may deviate from the projected position, making accurate marking inconvenient.
[0028] Based on this, this application aims to provide a solution that can solve, but is not limited to, the above-mentioned technical problems, the details of which will be described in subsequent embodiments.
[0029] Please refer to Figure 1 and Figure 2 This application provides a wall detector 1, which can be applied, but is not limited to, in scenarios such as home decoration, building construction, security detection, and archaeological research. In some embodiments, the wall detector 1 can also be referred to as a measuring instrument or a detection instrument. The wall detector 1 provided in this application includes: a protective shell 10, a ranging module 20, and a detection module 30, which are described in detail below with reference to the accompanying drawings.
[0030] The protective shell 10, also known as the outer shell, can be made of one or more materials such as plastic and rubber. Preferably, the material will not interfere with or will barely interfere with the measurement functions of the ranging module 20 and the detection module 30. The protective shell 10 can be assembled from multiple components, which facilitates the installation and fixation of the ranging module 20 and the detection module 30. The protective shell 10 is provided with a marking hole X, which penetrates both opposite sides of the protective shell 10; that is, the marking hole X is a through hole.
[0031] The ranging module 20 is installed inside the protective shell 10 to protect the ranging module 20. The ranging module 20 is used to measure the distance from the target location (such as a wall or ceiling) to the wall detector 1. In the wall detector 1 provided in this application, the ranging principle of the ranging module 20 may be, but is not limited to, laser ranging, ultrasonic ranging, or infrared ranging; this application does not limit this to any particular method.
[0032] The detection module 30 is installed inside the protective shell 10 to protect it. Furthermore, the detection module 30 is positioned adjacent to the marking hole X. The detection module 30 is used to detect concealed objects (such as cavities, metals, non-metals, wood, etc.) in solid media (such as walls, floors, ceilings, etc.). For example, before drilling into a wall to install equipment, the detection module 30 can be used to determine the specific location and depth of pipelines or structural components within the wall to avoid damage. In the wall detector 1 provided in this application, the detection principle of the detection module 30 can be, but is not limited to, electromagnetic radar or electromagnetic induction; this application does not limit this.
[0033] In summary, the wall detector 1 provided in this application integrates both a distance measuring module 20 and a detection module 30 for detecting solid media, thus combining distance measuring and solid media detection functions. Furthermore, because the protective housing 10 has a marking hole X, when the user uses the detection module 30 to detect solid media, the marking hole X can face them. When a hidden object is detected in the solid media, a marker pen can be used to mark the solid media through the marking hole X. Therefore, the marking hole X facilitates marking for the user. Additionally, because the detection module 30 is adjacent to the marking hole X, the markings made through the marking hole X are more accurate.
[0034] Please refer to Figure 1 The protective shell 10 has a first end D1 and a second end D2, which are opposite ends along the length of the protective shell 10. The ranging module 20 is located at the first end D1, and the detection module 30 is located at the second end D2. That is, the ranging module 20 and the detection module 30 are located at opposite ends of the protective shell 10. It is understood that both the ranging module 20 and the detection module 30 contain several electronic components, which may interfere with each other during operation. This embodiment places the ranging module 20 and the detection module 30 at opposite ends of the protective shell 10, thereby reducing the possibility of mutual interference between the two modules and ensuring that each module can obtain relatively accurate measurement results when operating independently.
[0035] Please refer to Figure 1 The protective shell 10 has a first end D1 and a second end D2, which are opposite ends along the length of the protective shell 10. Please refer to... Figure 2The wall detector 1 also includes an NCV module 50, which is located at the second end D2. The NCV module 50 is a non-contact voltage detection module, capable of determining the presence of voltage without direct contact with the object being measured. For example, the NCV module 50 can be used to quickly determine whether a wire is live, thus avoiding the risk of electric shock. It can also be used to locate live wires (such as sockets or switch circuits) within a wall. During the use of the wall detector 1, the NCV module 50 can be used independently or in conjunction with the detection module 30. It is understood that using the NCV module 50 and the detection module 30 together allows for the detection of both concealed objects in a solid medium and their liveness, thereby improving detection efficiency without requiring separate operation.
[0036] Please refer to Figure 3 The protective shell 10 has a first side C1 and a second side C2 that are opposite to each other. The marking hole X extends from the first side C1 to the second side C2, meaning the marking hole X simultaneously extends through both the first side C1 and the second side C2. The detection module 30 includes a first button 310, which is exposed on the first side C1. The user can operate the detection module 30 by pressing or touching the first button 310. The type of the first button 310 can be, but is not limited to, a mechanical button (triggered by physical contact), a capacitive button (triggered by detecting changes in capacitance, without physical contact), a resistive button (triggered by changing the resistance value through pressure), or an optical button (triggered by changes in light signals). The number of first buttons 310 can be one or more, for example, one, two, three, four, five, etc. When there are multiple first buttons 310, each first button 310 corresponds to a different function. The relevant embodiments of this application are illustrated by using multiple first buttons 310.
[0037] In this embodiment, when the user uses the detection module 30 to detect the solid medium, the first side C1 of the protective shell 10 can face the user. In this way, the user can see the first button 310 and the marking hole X from the first side C1 at the same time. This makes it convenient for the user to mark the solid medium through the marking hole X, and also makes it convenient for the user to operate the first button 310 accurately, especially in the case of multiple first buttons 310.
[0038] Please refer to Figure 3The number of the first buttons 310 is multiple, and at least two of the first buttons 310 are arranged around the mark hole X. For example, there are three first buttons 310 arranged around the mark hole X; or there are four first buttons 310 arranged around the mark hole X. In this embodiment, arranging at least two first buttons 310 around the mark hole X makes full use of the space on the first side C1 of the protective shell 10, facilitates user operation, and also associates the first buttons 310 with the mark hole X, so that the user knows that the mark hole X should be used with the detection module 30, rather than the ranging module 20.
[0039] Please refer to Figure 3 The ranging module 20 includes a second button 210, which is exposed on the first side C1. The user can operate the ranging module 20 by pressing or touching the second button 210. The type of the second button 210 can be, but is not limited to, a mechanical button (triggered by physical contact), a capacitive button (triggered by detecting changes in capacitance, without physical contact), a resistive button (triggered by changing resistance through pressure), or an optical button (triggered by changes in light signals). The number of second buttons 210 can be one or more; for example, the specific number of second buttons 210 can be one, two, three, four, five, etc. When there are multiple second buttons 210, each second button 210 corresponds to a different function. The relevant embodiments of this application are illustrated using multiple second buttons 210 as examples.
[0040] In this embodiment, the first button 310 and the second button 210 are set to be exposed on the same side of the protective shell 10. This setting allows the user to see the first button 310 and the second button 210 at the same time when using the wall detector 1. When using the detection module 30, the user can consciously avoid accidentally touching the second button 210. When using the ranging module 20, the user can consciously avoid accidentally touching the first button 310.
[0041] Please refer to Figure 3 The ranging module 20 may further include a signal transceiver component 220, which is used to acquire distance information from the target location to the wall detector 1. For example, the signal transceiver component 220 may be a laser transceiver device, which can emit a laser signal (referred to as the first signal) towards the target location and receive a laser signal reflected back from the target location (the second signal). The processor can determine the distance from the target location to the wall detector 1 through the first signal and the second signal. The protective shell 10 also has a third side C3, which is located between the first side C1 and the second side C2. The signal transceiver component 220 is disposed inside the protective shell 10 and exposed on the third side C3 to transmit and receive signals on the third side C3.
[0042] Please refer to Figure 3 The wall detector 1 also includes a marking module 60 disposed within the protective housing 10. The protective housing 1010 also has a third side C3, which is located between the first side C1 and the second side C2. The protective housing 10 has a light-emitting port Y, which is located on the third side C3. The marking module 60 is used to emit a laser line out of the protective housing 10 through the light-emitting port Y, so that a preset mark appears on the illuminated position. The preset mark can be, but is not limited to, a horizontal line, a vertical line, a crosshair, a circle, a dot, etc., and is not limited here. The marking module 60 is used to assist in measurement and positioning, ensuring that the wall detector 1 can accurately align with the target point, improving measurement accuracy and ease of operation. During the use of the wall detector 1, the marking module 60 can be used independently or in conjunction with the ranging module 20. It is understood that if the marking module 60 is used in conjunction with the ranging module 20, it can assist the ranging module 20 in accurately aligning with the target position, thereby improving the ranging accuracy.
[0043] Please refer to Figure 1 and Figure 2 The wall detector 1 also includes a display module 40, which is directly or indirectly connected to the detection module 30 and the ranging module 20. The display module 40 can be used to display the detection results of the detection module 30 or the ranging module 20 in real time, and can also provide an operating interface for users to set parameters, etc. The display area of the display module 40 is visible from the first side C1, meaning that the user can view the content displayed by the display module 40 from the first side C1 of the protective shell 10. The display module 40 is located between the detection module 30 and the ranging module 20, thus separating the two modules and reducing the possibility of mutual interference. It also ensures that the distance from the display module 40 to both the detection module 30 and the ranging module 20 is approximately equal, allowing the user to quickly see the content displayed by the display module 40 when using the detection module 30 or the ranging module 20.
[0044] When the detection module 30 is used, the display content of the display module 40 may be, but is not limited to, material information and location information of the concealed object in the solid medium. The display module 40 may be directly or indirectly electrically connected to at least one first button 310 (hereinafter referred to as the first control button) in the detection module 30. When the first control button is pressed, the display content of the display module 40 changes.
[0045] When the ranging module 20 is used, the display content of the display module 40 may be, but is not limited to, the distance from the target location to the wall detector 1. The display module 40 may be directly or indirectly electrically connected to at least one second button 210 (hereinafter referred to as the second control button) in the ranging module 20. When the second control button is pressed, the display content of the display module 40 changes.
[0046] In some implementations, when any of the first buttons 310 is triggered, the display module 40 displays functional information corresponding to the detection module 30 (e.g., information such as the material and location of the concealed object detected within the wall); when any of the second buttons 210 is triggered, the display module 40 displays functional information corresponding to the ranging module 20 (e.g., the distance from the target wall to the wall detector 1). Furthermore, when the display content of the display module 40 switches between the functional information of the detection module 30 and the functional information of the ranging module 20, the display content of the display module 40 is inverted, i.e., rotated 180°, thus facilitating user viewing of the display content when using either the detection module 30 or the ranging module 20.
[0047] Please refer to Figure 4 The detection module 30 further includes a detection coil 320 disposed within the protective shell 10. The detection coil 320 is arranged around the marking hole X and is used to acquire information about the concealed object. For example, the detection coil 320 can emit electromagnetic waves. When the electromagnetic waves encounter the boundary between different media (such as wall and air, wall and metal), they will be reflected. The detection coil 320 receives the reflected electromagnetic waves and transmits them to the processor of the wall detector 1. The processor can determine the location and depth of the concealed object (such as a cavity or metal inside a wall) by analyzing the time delay and intensity of the reflected electromagnetic waves. For another example, when the detection coil 320 scans a plastic water pipe inside a wall, the electromagnetic waves emitted by the detection coil 320 are reflected at the junction of the water pipe and the wall. The reflected electromagnetic waves are received by the detection coil 320. The processor of the wall detector 1 estimates the depth of the water pipe by calculating the delay time of the reflected electromagnetic waves and displays it on the display module 40.
[0048] It is understandable that, since the detection coil 320 is used to acquire information about the concealed object, its orthographic projection onto the solid medium corresponds precisely to the concealed object within the solid medium. In this embodiment, the detection coil 320 surrounds the marking hole X; this arrangement ensures that the markings made through the marking hole X are more accurate.
[0049] Optionally, the cross-section of the marking hole X is circular, i.e., the marking hole X is a circular hole. Using a circular hole facilitates the arrangement of the first button 310 and also allows the user to make markings smoothly. It should be noted that, viewed from the axial direction of the marking hole X, in one embodiment, the marking hole X can be a cylindrical hole, i.e., the diameter of the marking hole X is the same everywhere; in another embodiment, the marking hole X can also be a conical hole, i.e., the diameter of the marking hole X gradually decreases or gradually increases along the axial direction.
[0050] In other embodiments, the cross-sectional shape of the marking hole X can also be elliptical, triangular, square, rectangular, pentagonal, rhomboid, cross-shaped, pentagram, etc., which will not be described in detail here. The specific shape can be set according to the requirements.
[0051] Optionally, the marking hole X is a circular hole, and the diameter of the marking hole X is 5mm to 15mm. Specifically, the diameter can be 5mm, 6mm, 6.8mm, 7mm, 8mm, 8.8mm, 9mm, 9.5mm, 10mm, 10.3mm, 11mm, 11.6mm, 12mm, 13mm, 13.6mm, 14mm, 15mm, etc. Limiting the diameter of the marking hole X to 5mm to 15mm is a suitable range, allowing most marking pens to pass through, thus providing a wide range of adaptability. It also avoids the marking hole X occupying too much space, which would be detrimental to the arrangement of the detection module 30.
[0052] Optionally, the two opposite ends of the marking hole X in the axial direction can be chamfered. This chamfer can be a rounded chamfer or a straight chamfer. It is understood that chamfering at both ends of the marking hole X can prevent the edges of the marking hole X from being too sharp and scratching the user, and the chamfer can also guide the marking pen into the marking hole X.
[0053] Please refer to Figure 2 The protective shell 10 includes a first shell 110, a second shell 120, and a column structure 130. The first shell 110 and the second shell 120 together form a receiving space, that is, the first shell 110 and the second shell 120 cover each other to enclose the receiving space. The receiving space is used to house the ranging module 20 and the detection module 30. The column structure 130 is disposed within the receiving space, and its opposite ends are respectively connected to the first shell 110 and the second shell 120. The column structure 130 has a through hole, which forms the marking hole X. The detection coil 320 is disposed within the receiving space and surrounds the column structure 130.
[0054] The first housing 110 can be a single piece or assembled from multiple components. The material of the first housing 110 can be plastic, rubber, etc., and preferably a material that does not interfere with or barely interferes with the measurement functions of the ranging module 20 and the detection module 30. For details regarding the second housing 120, please refer to the description of the first housing 110; further details will not be provided here.
[0055] The first housing 110 and the second housing 120 can be detachably connected, such as by threaded connection, snap-fit connection, or plug-in connection. Detachable connection is beneficial for later disassembly and maintenance. Alternatively, the first housing 110 and the second housing 120 can be non-detachably connected, such as by adhesive or heat fusion connection. Non-detachable connection is beneficial for preventing the wall detector 1 from separating from the first housing 110 and the second housing 120 due to a drop.
[0056] The column structure 130 can be a component independent of the first housing 110 and the second housing 120, or it can be a part of the first housing 110 or a part of the second housing 120. Optionally, the column structure 130 includes a first hollow column 131 and a second hollow column 132, wherein the first hollow column 131 is hollow inside and connected to the first housing 110, and the second hollow column 132 is hollow inside and connected to the second housing 120. The first hollow column 131 and the second hollow column 132 are detachably inserted together to jointly form the aforementioned marking hole X. In this embodiment, splitting the column structure 130 into the first hollow column 131 and the second hollow column 132 ensures that the axial dimensions of the two hollow columns are not too long, thereby facilitating the installation of other components or devices, such as circuit boards.
[0057] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application, and such improvements and refinements are also considered to be within the protection scope of this application.
Claims
1. A wall detector, characterized in that, The wall detector includes: A protective shell, wherein the protective shell is provided with marking holes, the marking holes extending through both opposite sides of the protective shell; A ranging module, installed within the protective housing, is used to measure the distance from the target location to the wall detector; and A detection module is installed inside the protective shell and is arranged adjacent to the marking hole. The detection module is used to detect hidden objects in a solid medium. A marking module is provided inside the protective shell and is located at the same end of the protective shell as the ranging module. The protective shell is also provided with a light outlet. The marking module is used to emit laser lines out of the protective shell through the light outlet so that a preset mark appears on the illuminated position.
2. The wall detector as described in claim 1, characterized in that, The protective shell has a first end and a second end, which are opposite ends in the length direction of the protective shell. The ranging module is located at the first end, and the detection module is located at the second end.
3. The wall detector as described in claim 1, characterized in that, The protective shell has a first end and a second end, which are opposite ends in the length direction of the protective shell. The wall detector also includes an NCV module, which is located at the second end.
4. The wall detector as described in claim 1, characterized in that, The protective shell has a first side and a second side that are opposite to each other. The marking hole extends from the first side to the second side. The detection module includes a first button, which is exposed on the first side. The wall detector also includes a display module, which is located between the detection module and the ranging module, and the display area of the display module is visible from the first side.
5. The wall detector as described in claim 4, characterized in that, The number of the first buttons is multiple, and at least two of the first buttons are arranged around the marking hole.
6. The wall detector as described in claim 4, characterized in that, The ranging module includes a second button, which is exposed on the first side.
7. The wall detector as described in claim 1, characterized in that, The detection module also includes a detection coil disposed within the protective shell, the detection coil being arranged around the marking hole, and the detection coil being used to acquire information about the concealed object.
8. The wall detector as described in claim 1, characterized in that, The cross-section of the marking hole is circular.
9. The wall detector as described in any one of claims 1 to 8, characterized in that, The protective shell includes a first shell, a second shell, and a column structure. The first shell and the second shell together form a receiving space for accommodating the ranging module and the detection module. The opposite ends of the column structure are respectively connected to the first shell and the second shell. The column structure is provided with a through hole, which forms the marking hole.