CN220855209U

CN220855209U - Multifunctional metal detector

Info

Publication number: CN220855209U
Application number: CN202321515295.7U
Authority: CN
Inventors: 蒋洪洲
Original assignee: Jinhua Maka Technology Co ltd
Current assignee: Jinhua Maka Technology Co ltd
Priority date: 2023-06-14
Filing date: 2023-06-14
Publication date: 2024-04-26
Anticipated expiration: 2033-06-14

Abstract

The utility model discloses a multifunctional metal detector, which comprises a shell, a control circuit board and a wall detection circuit, wherein the control circuit board and the wall detection circuit are arranged in the shell, the multifunctional metal detector further comprises at least one coupling component which can be connected with the control circuit board, the coupling component is configured to detachably couple and connect at least one functional device to the multifunctional metal detector, and the functional device is used for providing other functions different from metal detection. According to the multifunctional metal detector provided by the embodiment of the utility model, the coupling component is arranged, and at least one functional device is detachably coupled and connected with different functional devices by utilizing the coupling component, so that the combination and application of metal detection and other independent user selection functions are realized, the carrying quantity of equipment when a user uses is effectively reduced, the size is reduced, and the flexibility and convenience are improved.

Description

Multifunctional metal detector

Technical Field

The utility model relates to the field of multifunctional detection tools, in particular to a multifunctional metal detector.

Background

The metal detector is mainly used for positioning metal objects, the existing detectors are divided into a plurality of categories, and the metal detector is also operated by a plurality of principles and can be applied to the fields of building construction, indoor decoration, traffic accident treatment and the like.

However, the existing metal detector has relatively single function, for example, in the field of building construction, a user often needs to measure distance, thickness and marking except metal detection during actual construction, and needs to prepare a corresponding distance measuring device, a side thickness device, a laser marking device and the like, so that the user needs to carry equipment with various different functions, more equipment needs to be carried is caused, the inconvenience is caused, and moreover, the operation systems of different equipment are not uniform, and the use is complicated.

Meanwhile, the existing metal detector cannot adapt and select functions according to user requirements except for detection functions, and is poor in flexibility.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a multifunctional metal detector, which has a compact structure, can be adapted to different functional devices, increases the flexibility and convenience of use for users, and improves the user experience.

According to an embodiment of the first aspect of the utility model, the multifunctional metal detector comprises a shell, a control circuit board and a wall detection circuit, wherein the control circuit board and the wall detection circuit are arranged in the shell, and the multifunctional metal detector comprises: at least one coupling assembly connectable to the control circuit board, the coupling assembly being configured for detachably coupling at least one functional device to the multi-functional metal detector, the functional device being configured for providing a function other than metal detection.

According to the multifunctional metal detector provided by the embodiment of the utility model, the coupling component is arranged, and at least one functional device is detachably coupled and connected with different functional devices by utilizing the coupling component, so that the combination and application of metal detection and other independent user selection functions are realized, the carrying quantity of equipment when a user uses is effectively reduced, the size is reduced, and the flexibility and convenience are improved.

According to some embodiments of the utility model, the coupling assembly is used for fixing the functional device to the housing and/or for information transmission of the functional device and the multifunctional metal detector.

According to some examples of the utility model, the coupling assembly comprises a first coupling assembly comprising: an insertion portion provided on one of the multifunctional metal detector and the functional device; a receiving portion provided on the other of the multifunctional metal detector and the functional device, and receiving the insertion portion; when the insertion portion is accommodated by the accommodation portion, the insertion portion and the accommodation portion are restrained each other and electrically connected to each other to connect the functional device with the multifunctional metal detector.

According to some examples of the utility model, the housing includes an intermediate frame, and the coupling assembly is disposed in the intermediate frame.

According to some examples of the present utility model, the multifunctional metal detector further comprises a laser ranging device integrated in the housing and connected to the control circuit board, wherein the laser ranging device is located at one side of a short side of the middle frame, and a transmitting channel and a receiving channel for a light source of the laser ranging device to pass through are arranged at corresponding positions of the middle frame

According to some examples of the present utility model, the multifunctional metal detector further comprises a laser projection device integrated in the housing and connected to the control circuit board, wherein the laser projection device and the laser ranging device are arranged in parallel along a width direction of the middle frame or along a thickness direction of the middle frame, and a marking channel for a light source of the laser projection device to pass through is arranged at a corresponding position of the middle frame.

According to some examples of the present utility model, the multifunctional metal detector further includes an illumination device integrated in the housing and connected to the control circuit board, the illumination device and the laser ranging device are disposed on the same side of the middle frame, and an illumination channel for passing a light source of the illumination device is disposed at a position corresponding to the middle frame.

According to some examples of the present utility model, the multifunctional metal detector further comprises a test pencil integrated in the housing and connected to the control circuit board, a first through hole is provided on a side of the middle frame corresponding to the test pencil, and the test pencil is slidably disposed in the housing between an extended position extending out of the first through hole and a hidden position retracted into the first through hole.

According to some examples of the utility model, the test pencil is provided with a toggle switch, at least part of which protrudes from the surface of the housing so that the test pencil can be retracted or retracted into the housing under the action of the toggle switch.

According to further embodiments of the present utility model, the coupling assembly comprises a second coupling assembly, the functional device being configured to be movably switched between a first position, a second position and a third position under the influence of the second coupling assembly, the functional device being entirely disposed within the housing when the functional device is in the first position; when the functional device is positioned at the second position, the functional device is wholly arranged outside the shell; when the functional device is in the third position, the functional device is disposed in the housing in a reverse orientation and at least a portion of the functional device extends out of the housing.

According to some examples of the utility model, the functional device comprises a first end side provided with a conductive terminal and a second end side provided with an elastic conductive element protruding from the second end side, the first end side being arranged opposite to the second end side and the conductive terminal being electrically connected to the elastic conductive element; the conductive terminal of the first end side is located outside the housing when the functional device is located at the first position; when the functional device is located at the third position, the elastic conductive element at the second end side is located outside the housing.

According to some examples of the utility model, the second coupling assembly comprises: the support is arranged on the shell and defines the hidden groove, and the functional device is arranged in the hidden groove at the first position and the third position; and the control mechanism is connected with the functional device to lock the functional device in the hidden groove when in the first position and the third position and unlock the functional device when in the second position.

According to some examples of the utility model, the second coupling assembly further comprises a coupling interface provided to the control circuit board, the coupling interface being connected to the conductive terminal when the functional device is in the third position.

According to some examples of the utility model, the holder has a second through hole, the function device has a first card slot and a second card slot that can be opposite to the second through hole, the first card slot and the second card slot are oppositely disposed on opposite sides of the function device, and the control mechanism includes: the lever is hinged to the support, one end of the lever forms a key part, and the other end of the lever forms a clamping block corresponding to the second through hole in position and shape; the elastic piece is arranged between the pressing switch and the support, so that the lever moves between a locking position for locking the functional device and an unlocking position for unlocking the functional device, and the elastic conductive piece forms a telescopic conductive column; when the lever is positioned at the locking position, the lever enables the clamping block to pass through the second through hole to be normally abutted against the first clamping groove or the second clamping groove under the action of the elastic piece; when the lever is located at the unlocking position, the functional device is pushed out of the hidden groove under the action of the telescopic conductive column.

According to some examples of the utility model, the functional device is at least one of an ambient temperature detection device, an ambient humidity detection device, a tape measure device, an illumination device, a thermal imaging device, a laser ranging device, a laser marking device, an endoscope device, a thickness measurement device, a moisture content detection device, a gas detection device, a roller ranging device, or a brake oil moisture content detection device.

According to some examples of the utility model, the wall detection circuit includes: at least one transmitting coil; at least one receiving coil system inductively coupled with the transmitting coil, the receiving coil system comprising at least one first receiving coil and at least one second receiving coil located on the same plane of the control circuit board, wherein the transmitting coil forms a projection on the plane, the first receiving coil comprises the projection on the area formed by the plane, the second receiving coil is arranged around the projection in an opening shape on the area formed by the plane, and the first receiving coil and the second receiving coil are arranged in a winding mode in the same direction and are electrically connected with each other.

A multifunctional metal detector according to an embodiment of the second aspect of the present utility model includes a housing, a control circuit board mounted in the housing, and a wall detection circuit including at least one first coupling assembly connectable to the control circuit board, the first coupling assembly being configured for detachably coupling at least one functional device to the multifunctional metal detector; at least one second coupling assembly connectable to the control circuit board, the second coupling assembly being disposed in the housing, at least one other of the functional devices being configured to be movably switched between a first position, a second position and a third position under the influence of the second coupling assembly, the functional device being disposed entirely within the housing when the functional device is in the first position; when the functional device is positioned at the second position, the functional device is wholly arranged outside the shell; when the functional device is in the third position, the functional device is disposed in the housing in a reverse orientation and at least a portion of the functional device extends out of the housing, wherein the functional device is configured to provide a function other than metal detection.

According to the multifunctional metal detector disclosed by the embodiment of the utility model, by arranging at least one first coupling component and at least one second coupling component, different functional devices can be respectively connected by utilizing the first coupling component and the second coupling component, so that a user can conveniently select and match functions according to actual requirements, the flexibility and convenience are improved, the whole volume is reduced, and furthermore, the second coupling component can be used for conveniently accommodating and carrying the functional devices matched with the functional devices besides realizing the coupling of the functional devices, and the risks of losing and the like under a working environment are reduced.

According to some embodiments of the utility model, the first coupling assembly comprises: an insertion portion provided on one of the multifunctional metal detector and the functional device; a receiving portion provided on the other of the multifunctional metal detector and the functional device, and receiving the insertion portion; when the insertion portion is accommodated by the accommodation portion, the insertion portion and the accommodation portion are restrained each other and electrically connected to each other to connect the functional device with the multifunctional metal detector.

According to some embodiments of the utility model, the second coupling assembly comprises: the support is arranged on the shell and defines the hidden groove, and the functional device is arranged in the hidden groove at the first position and the third position; and the control mechanism is connected with the functional device to lock the functional device in the hidden groove when in the first position and the third position and unlock the functional device when in the second position.

According to some embodiments of the utility model, the support has a second through hole, the functional device has a first slot and a second slot that can be opposite to the second through hole, the first slot and the second slot are opposite to each other on opposite sides of the functional device, and the control mechanism includes: the lever is hinged to the support, one end of the lever forms a key part, and the other end of the lever forms a clamping block corresponding to the second through hole in position and shape; the elastic piece is arranged between the pressing switch and the support, so that the lever moves between a locking position for locking the functional device and an unlocking position for unlocking the functional device; when the lever is positioned at the locking position, the lever enables the clamping block to pass through the second through hole to be normally abutted against the first clamping groove or the second clamping groove under the action of the elastic piece; when the lever is located at the unlocking position, the functional device is pushed out of the hidden groove under the action of the telescopic conductive column.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is an exploded view of a multifunctional metal detector according to one embodiment of the present utility model;

FIG. 2 is a perspective view of a multifunctional metal detector according to one embodiment of the present utility model;

FIG. 3 is a schematic view showing an internal structure of a multifunctional metal detector according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a second coupling assembly of a multifunctional metal detector according to one embodiment of the present utility model;

FIG. 5 is a schematic diagram of a wall detection circuit of a multifunctional metal detector according to one embodiment of the utility model;

FIG. 6 is a schematic diagram of a prior art multifunctional metal detector;

Reference numerals:

1. A housing; 2. a control circuit board; 3. a lighting device; 4. a wall detection circuit; 5. a thermal imaging device; 6. a laser ranging device; 7. a laser projection device; 8. a humidity measuring device; 9. test pencil; 11. an upper housing; 12. an intermediate frame; 13. a lower housing; 14. the connecting support is connected; 15. hiding the groove; 16. a display screen; 17. an outer screen; 18. a nut; 19. a spring groove; 21. a control button; 31. an illumination channel; 51. a thermal imaging camera; 52. a visible light camera; 61. a transmit channel; 62. a receiving channel; 71. a reticle channel; 72. a fixed base; 81. push switch (lever); 82. a telescopic copper needle; 83. a slide block; 84. a spring; 85. a key section; 86. a clamping block; 87. a clamping groove; 871. a first clamping groove; 872. a second clamping groove; 88. a support; 91. a toggle switch; 92. an alarm lamp; 121. a display screen mounting seat; 122. a key section; 131. a transmitting coil; 132. a first receiving coil; 133. and a second receiving coil.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

The metal detector in the related art is mainly used for positioning metal objects, can be applied to the fields of building construction, indoor decoration, traffic accident handling and the like, but the metal detector is required to measure distance, side thickness, marking and the like in actual construction, so that a user needs to carry a large stack of detection instruments, and needs to replace each detection tool continuously when various different parameters need to be detected, which is very tedious and inconvenient.

Even if the existing metal detector integrates additional functions, the metal detector is usually directly fixed on the shell, for example, the ranging module is integrated in the existing metal detector shown in fig. 6, and a user cannot select different functional devices according to detection parameters and actual requirements of objects when using the metal detector, so that when metal detection and marking are needed, the ranging module in the metal detector integrated with the ranging module is wasted, and the laser marking device still needs to be carried, so that the flexibility and convenience are poor, the construction efficiency is low, and the user experience is poor.

A multifunctional metal detector according to an embodiment of the first aspect of the present utility model is described below with reference to fig. 1 to 5, and includes a housing 1, and a control circuit board 2 and a wall detection circuit 4 mounted in the housing 1.

At least one coupling assembly connectable to the control circuit board 2, the coupling assembly being configured to detachably couple at least one functional device to the multi-functional metal detector and provide other functions than metal detection by the functional device.

It should be noted that, the coupling connection means is at least one of physical connection (such as fixing, fastening, limiting, etc.), electrical connection and information transmission between the functional device and the multifunctional metal detector.

Therefore, according to the multifunctional metal detector disclosed by the embodiment of the utility model, through the arrangement of the coupling component, at least one functional device is detachably coupled with different functional devices by utilizing the coupling component, so that a user can select the corresponding functional device according to actual demands, the combination of metal detection and other autonomous user selection functions is applicable, the carrying quantity of equipment of the user in use is effectively reduced, the size is reduced, and the flexibility and convenience are improved.

As shown in fig. 3, in some embodiments of the present utility model, the coupling assembly includes a first coupling assembly including an insertion portion provided on one of the multifunctional metal detector and the functional device and an accommodation portion provided on the other of the multifunctional metal detector and the functional device, and may accommodate the insertion portion, for example, the insertion portion is provided on a housing of the functional device, formed as a protrusion protruding from the housing of the functional device, the accommodation portion is provided on the multifunctional metal detector, formed as a recess recessed into the housing, or the accommodation portion and the insertion portion respectively form a magnetic member, further enhancing connection reliability by magnetically adsorbing each other. When the insertion part is accommodated by the accommodating part, the functional device can be connected with the multifunctional metal detector in a quick plug-in mode by utilizing the limit and electric connection of the insertion part and the accommodating part.

As shown in fig. 2 and 3, in some examples, in order to make full use of the installation space of the multifunctional metal detector and facilitate the operation of the functional device, the housing includes an intermediate frame 12, and the coupling assembly is disposed on one side of the long side of the intermediate frame 12.

The intermediate frame 12 may be a separate member from the upper case 11 and the lower case 13, or may be a unitary structure integrally formed with the upper case 11 or the lower case 13.

As shown in fig. 1, in some embodiments, the multifunctional metal detector further includes a laser ranging device 6 integrated in the housing and connected to the control circuit board 2, in order to avoid interference between the laser ranging device 6 and a functional device installed by a user, the laser ranging device 6 is disposed on a short side of the middle frame 12, for example, may be disposed on a top side of the middle frame 12 or may be disposed on a bottom side of the middle frame 12, a transmitting channel 61 and a receiving channel 62 are disposed at positions of the middle frame 12 corresponding to the laser ranging device 6, a laser generating component of the laser ranging device 6 is opposite to the transmitting channel 61 to transmit a measuring beam to an object to be measured, and a laser receiving component of the laser ranging device 6 is opposite to the receiving channel 62 to capture a beam reflected by the object to be measured.

As shown in fig. 1, in some embodiments, the multifunctional metal detector further includes a laser projection device 7 integrated in the housing and connected to the control circuit board 2, where the laser projection device 7 and the laser ranging device 6 are arranged in parallel along a width direction of the middle frame 12 or a thickness direction of the middle frame 12, and a cross-shaped marking channel 71 for passing a light source of the laser projection device 7 is provided at a corresponding position of the middle frame 12, so that an arrangement space of the middle frame 12 is fully utilized to realize marking.

As shown in fig. 1, in some embodiments, the multifunctional metal detector further includes an illumination device 3 integrated in the housing and connected to the control circuit board 2, the illumination device 3 and the laser ranging device 6 are disposed on the same side of the middle frame 12, and an illumination channel for passing a light source of the illumination device 3 is disposed at a corresponding position of the middle frame 12.

It should be noted that "integrated with" means that the laser ranging device 6, the laser transmitting device, and the lighting device 3 are fixed on the housing, and cannot be selectively assembled or disassembled by a user according to the use requirement.

As shown in fig. 1, in some embodiments, the multifunctional metal detector further includes a test pencil 9 connected to the control circuit board 2, the test pencil 9 is disposed adjacent to the long side wall of the middle frame 12, and a short side wall adjacent to the long side wall of the middle frame 12 is provided with a first through hole, the first through hole is opposite to the test pencil 9, and the test pencil 9 is slidably disposed in the housing along a direction parallel to the long side wall of the middle frame 12 between an extended position extending out of the first through hole and a hidden position retracted into the first through hole.

As shown in fig. 2, further, the test pencil 9 is provided with a toggle switch 91, the toggle switch 91 being arranged along a side wall parallel to the short side of the intermediate frame 12 and extending at least partially out of the housing surface, the user pushing the test pencil 9 to slide between the extended position and the retracted position by the toggle switch 91.

In other embodiments of the utility model, as shown in fig. 1 and 4, the coupling assembly comprises a second coupling assembly, the functional device being configured to be movable, under the influence of the second coupling assembly, between a first position, a second position and a third position, the functional device being wholly disposed within the housing when the functional device is in the first position; when the functional device is positioned at the second position, the functional device is integrally arranged outside the shell; when the functional device is in the third position, the functional device is disposed in the housing in a reverse orientation and at least partially protrudes from the housing.

Therefore, the second coupling assembly can be used for realizing that a user can couple the functional device according to the actual use requirement, and meanwhile, the functional device can be contained in the shell and taken out when in use, so that the problem that the functional device is easy to lose and easy to damage under the condition of messy construction environment is avoided.

By "disposed in opposition" is meant that the functional device has oppositely disposed first and second end sides, the second end side being closer to the housing edge than the first end side in the first position, and the first end side being closer to the housing edge than the second end side in the second position.

In some embodiments of the utility model, as shown in fig. 1 and 4, the functional device comprises a first end side and a second end side, for example, the functional device is formed in a rectangular structure, the first end side and the second end side are two end surfaces arranged oppositely, the first end side is provided with a conductive terminal, the second end side is provided with an elastic conductive piece protruding from the second end side, for example, the elastic conductive piece can be a telescopic conductive column, and the conductive terminal is connected with the telescopic conductive column. When the functional device is positioned at the first position, the conductive terminal is positioned outside the shell; when the functional device is located at the third position, the telescopic conductive column at the second end side is located outside the shell. Therefore, the telescopic conductive column can conduct electricity, and can realize the self-pushing function of the functional device by utilizing the telescopic performance, so that the structure is simplified.

Preferably, to ensure that the functional device is successfully pushed out, the second end side is provided with at least two telescopic conductive posts spaced apart, for example, the telescopic conductive posts may be formed as telescopic copper pins 82.

As shown in fig. 4, in some examples, the second coupling assembly includes a support 88 and a control mechanism, the support 88 being disposed on the housing and defining a hidden slot 15, the functional device being received in the hidden slot 15 in a first position and at least partially protruding out of the hidden slot 15 in a third position for functional detection;

the control mechanism is connected with the functional device, locks the functional device in the first position and the third position, and unlocks the functional device in the second position.

In a further embodiment, the second coupling assembly further comprises a coupling interface provided on the control circuit board 2, which coupling interface is connected to the conductive terminals when the functional device is in the third position.

As shown in fig. 4, optionally, the support 88 has a second through hole, the functional device has a first clamping groove 871 and a second clamping groove 872 that can be opposite to the second through hole, the first clamping groove 871 and the second clamping groove 872 are oppositely disposed at two opposite sides of the functional device in the thickness direction, and the control mechanism includes: a lever 81, the lever 81 being hinged to the support 88, one end of the lever 81 forming a key portion 12285, the other end of the lever 81 forming a block 86 corresponding to the second through hole in position and shape; an elastic member provided between the push switch and the support to move the lever 81 between a locking position of the locking function device and an unlocking position of the unlocking function device; when the lever 81 is located at the locking position, the lever 81 makes the clamping block 86 pass through the second through hole to be normally abutted against the first clamping groove 871 or the second clamping groove 872 under the action of the elastic member, for example, when in the first position, the clamping block 86 is abutted against the first clamping groove 871 to lock the whole functional device in the hiding groove 15, when in the third position, the clamping block 86 is abutted against the second clamping groove 872 to lock the functional device in the hiding groove 15, and the telescopic conductive column extends out of the shell for detection, so that the fixing reliability of the functional device in use is improved; when the lever 81 is in the unlocked position, the functional device is pushed out of the hidden groove 15 by the telescopic conductive column.

Optionally, the functional device is at least one of an ambient temperature detection device, an ambient humidity detection device, a tape measure device, an illumination device, a thermal imaging device 5, a laser ranging device 6, a laser marking device, an endoscope device, a thickness measuring device, a temperature detection device, a roller ranging device or a brake oil water content detection device.

As shown in fig. 5, in some embodiments, the wall detection circuit 4 includes: at least one transmitting coil 131 and at least one receiving coil system inductively coupled with the transmitting coil 131, the receiving coil system including at least one first receiving coil 132 and at least one second receiving coil 133 located on the same plane of the control circuit board 2, wherein the transmitting coil 131 forms a projection on the plane, the first receiving coil 132 includes the projection on the area formed on the plane, the second receiving coil 133 is arranged around the projection in an opening shape on the area formed on the plane, and the first receiving coil 132 and the second receiving coil 133 are arranged in a winding manner in the same direction and are electrically connected with each other.

Therefore, compared with the wall detection circuit 4 of the receiving coil system formed by two groups of the first receiving coils 132 and the second receiving coils 133 which are wound reversely in the related art, the wall detection circuit 4 in the utility model can offset the induced electromotive force generated by the first magnetic field of the transmitting coil 131, and the induced electromotive force generated by the transmitting coil 131 for the second magnetic field of the object to be measured is overlapped with each other due to the same direction winding direction of the coils, so that the sensitivity of the receiving coils to the magnetic field induction of the object to be measured can be enhanced, a dead zone for measurement can not be formed, and the measurement accuracy is greatly improved.

The multifunctional metal detector according to the embodiment of the second aspect of the present utility model is described below, and includes a housing 1, and a control circuit board 2 and a wall detection circuit 4 mounted in the housing 1.

At least one first coupling component connectable to the control circuit board 2, the first coupling component being configured for detachably coupling the at least one functional device to the multifunctional metal detector;

at least one second coupling member connectable to the control circuit board 2, the second coupling member being provided to the housing, the at least one further functional device being configured to be movably switched between a first position, a second position and a third position under the influence of the second coupling member, the functional device being entirely disposed within the housing when the functional device is in the first position; when the functional device is positioned at the second position, the functional device is integrally arranged outside the shell; when the functional device is in the third position, the functional device is disposed in the housing in a reverse orientation and at least a portion of the functional device extends out of the housing, wherein the functional device is configured to provide a function other than metal detection.

Therefore, according to the multifunctional metal detector disclosed by the embodiment of the utility model, by arranging at least one first coupling component and at least one second coupling component, different functional devices can be respectively connected by utilizing the first coupling component and the second coupling component, so that a user can conveniently select and allocate functions according to actual requirements, the flexibility and convenience are improved, the whole volume is reduced, and further, the functional devices can be conveniently stored and carried in addition to the coupling of the functional devices through the second coupling component, and the risks of losing and the like under a working environment are reduced.

Specific examples of the multifunctional metal detector according to the present utility model are described below with reference to fig. 1 to 5.

The embodiment relates to a multifunctional metal detector, which comprises a shell 1, a control circuit board 2 and a wall detection circuit 4, wherein the control circuit board 2 and the wall detection circuit 4 are arranged in the shell 1, and a lighting device 3, a thermal imaging device 5, a laser ranging device 6, a laser projection device 7, a humidity measuring device 8 and a test pencil 9 are also arranged in the shell 1. The lighting device 3, the wall body detection circuit 4, the thermal imaging device 5, the laser ranging device 6, the laser projection device 7, the humidity measuring device 8 and the test pencil 9 are respectively and electrically connected with the control circuit board 2.

In this embodiment, the wall detection circuit 4 can detect the foreign matters such as metal, nonmetal, wood, etc., which cannot be seen by naked eyes in the wall, determine the position of the foreign matters in the wall, and then operate the foreign matters to avoid damaging the structures of the components such as circuits, plates, steel bars, etc. in the wall.

In this embodiment, the housing 1 includes an upper housing 11, a middle housing 12 and a lower housing 13, where the upper housing 11 and the middle housing 12 are integrally formed, the middle housing 12 is connected with the lower housing 13 through a connection support 14, and the control circuit board 2 is disposed between the middle housing 12 and the lower housing 13; the thermal imaging device 5 is arranged on one side of the shell 1, the thermal imaging device 5 is provided with the thermal imaging camera 51 and the visible light camera 52, and a heat source can be clearly and rapidly captured through the thermal imaging camera 51 and the visible light camera 52.

The humidity measuring device 8 comprises a press switch 81, a telescopic copper needle 82, a sliding block 83 and a spring 84; the push switch 81 takes the middle frame 12 as a fulcrum to form a cylinder rod supporting structure, the upper part of the push switch passes through the upper shell 11 to form a key part 85, the lower part of the push switch passes through the middle frame 12, a spring groove 19 is arranged on the middle frame 12 below the key part 85, the lower end of the spring 84 is arranged in the spring groove 19, and the upper end of the spring 84 is contacted with the key part 85; the lower part of push switch 81 sets up fixture block 86, slider 83 locates in the hidden slot 15 that casing 1 bottom tip was established, the upper and lower both sides of slider 83 all set up with fixture block 86 complex draw-in groove 87, flexible copper needle 82 be equipped with two, its tip is fixed on slider 83, flexible section of flexible copper needle 82 is outside slider 83. When using the humidity measurement function, press the button part 85 of push switch 81, spring 84 compresses, fixture block 86 shifts out from draw-in groove 87, pops out slider 83 from hiding groove 15 through the elasticity of flexible copper needle 82, inserts slider 83 and hides inslot through fixture block 86, the spacing fixed of draw-in groove 87, flexible copper needle 82 is outstanding in hiding the groove 15 outside this moment, can carry out humidity measurement through flexible copper needle 82, the rear end of flexible copper needle 82 is connected with control circuit board 2 through the inside circuit of casing 1 simultaneously and is obtained measurement data.

The middle frame 12 is provided with a display screen mounting seat 121, a display screen 16 is mounted in the display screen mounting seat 121, an outer screen 17 for protecting the display screen 16 is mounted on the outer side of the display screen 16, and the display screen 16 is electrically connected with the control circuit board 2. The control circuit board 2 is provided with a control button 21, and a key part 122 matched with the control button 21 is arranged above the display screen mounting seat 121. The key part 122 is used for controlling the operations of the wall detection circuit 4, the thermal imaging device 5, the laser ranging device 6 and the laser projection device 7 respectively in combination with the display screen 16, and displaying the measurement results on the display screen 16.

In the embodiment of the present application, the laser distance measuring device 6 adopts the distance measuring device disclosed in chinese patent CN104597437a, and the casing 1 is provided with a transmitting channel 61 and a receiving channel 62 for passing through the light source of the laser distance measuring device 6. The light source of the laser ranging device 6 can emit light source to the outside through the emitting channel 61, the emitted light source is reflected after hitting the object to be measured, and then is thrown and received through the receiving channel 62, and in the process, the laser round trip time is recorded, so that the distance from one end to the other end between the objects or the size of the objects can be measured.

In the embodiment of the application, the laser projection device 7 adopts a cross laser head, the upper part of the shell 1 is correspondingly provided with a cross marking channel 71, and the laser projection device 7 is fixed in the middle frame 12 through a fixed base 72. The laser emitted by the laser projection device 7 is two mutually perpendicular laser lines, and the laser lines are projected on an object to generate horizontal marking, wherein one of the laser lines is used for marking transversely, and the other laser line perpendicular to the one laser line is vertical to the marking, so that the operator can conveniently correct the transverse and vertical straightness when cutting plates, wall marks and other operations with straightness requirements. In addition, a cross-shaped marking channel 71 is arranged at the front part of the upper shell 11 opposite to the laser projection device 7, the cross-shaped marking channel 71 is in a cross structure matched with laser emitted by a cross-shaped laser head, laser energy of the cross-shaped laser head passes through the cross-shaped marking channel 71, interference laser of non-cross-shaped lines can be blocked, and the laser projection accuracy is improved. In some other embodiments, the laser projection device 7 may be a word line laser head, i.e. capable of emitting only one laser in the horizontal or vertical direction, for operation with less stringent requirements on the reticle, which is also the same.

In the embodiment of the application, a switch for turning on/off the lighting device 3 is arranged on one side of the casing 1, and a lighting channel 31 is correspondingly arranged on the top of the casing 1. So that the meter can be used in dark or insufficiently bright environments.

In the present embodiment, the emission channel 61, the receiving channel 62, the reticle channel 71, and the illumination channel 31 are all disposed on the same end face of the housing 1; therefore, in the actual construction process, constructors can independently use or combine to use the distance measuring function, the object detecting function, the marking function and the lighting function, so that the working efficiency is improved, the trouble of carrying various measuring tools for the constructors is reduced, the problem that the constructors need to replace various detecting tools continuously when detecting various different parameters in the decoration construction process is effectively solved, and the method is high in practicability.

In the embodiment of the application, the test pencil 9 is arranged on the side of the shell 1 at one side of the humidity measuring device 8, the test pencil 9 is hidden in the shell 1 through the toggle switch 91, and the test pencil 9 is also electrically connected with the alarm lamp 92. The lower shell 13 is fixedly provided with a nut 18, the nut 18 is embedded in the lower shell 13, and the lower shell is connected with the outside through the nut 18 and can be installed on a tripod for use.

In the embodiment of the present application, the control circuit board 2 may be a SX00013 double-sided circuit board developed by Shenzhen city volitation circuit board limited, and the laser projection device 7 may be an LDB163L type mark projector developed and produced by beijing zhi electronic technology limited.

In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the utility model, a "first feature" or "second feature" may include one or more of such features.

In the description of the present utility model, "plurality" means two or more.

In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.

In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

Other constructions and operations of the multifunctional metal detector according to embodiments of the present utility model are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a multi-functional metal detection appearance, its includes casing and installs control circuit board, wall body detection circuit in the casing, its characterized in that includes:

At least one coupling assembly connectable to the control circuit board, the coupling assembly configured for detachably coupling at least one functional device to the multifunctional metal detector, the functional device for providing a function other than metal detection, the wall detection circuit comprising: at least one transmitting coil; at least one receiving coil system inductively coupled with the transmitting coil, the receiving coil system comprising at least one first receiving coil and at least one second receiving coil located on the same plane of the control circuit board, wherein the transmitting coil forms a projection on the plane, the first receiving coil comprises the projection on the area formed by the plane, the second receiving coil is arranged around the projection in an opening shape on the area formed by the plane, and the first receiving coil and the second receiving coil are arranged in a winding mode in the same direction and are electrically connected with each other.

2. The multifunctional metal detector of claim 1, wherein the coupling assembly is used for fixing the functional device to the housing and/or for information transmission of the functional device and the multifunctional metal detector.

3. The multifunctional metal detector of claim 2, wherein the coupling assembly comprises a first coupling assembly comprising:

An insertion portion provided on one of the multifunctional metal detector and the functional device;

A receiving portion provided on the other of the multifunctional metal detector and the functional device, and receiving the insertion portion;

When the insertion portion is accommodated by the accommodation portion, the insertion portion and the accommodation portion are restrained each other and electrically connected to each other to connect the functional device with the multifunctional metal detector.

4. A multifunctional metal detector according to claim 3 wherein said housing comprises a central frame, said coupling assembly being disposed in said central frame.

5. The multifunctional metal detector according to claim 4, further comprising a laser ranging device integrated in the housing and connected to the control circuit board, wherein the laser ranging device is located on one side of a short side of the middle frame, and a transmitting channel and a receiving channel for a light source of the laser ranging device to pass through are arranged at corresponding positions of the middle frame.

6. The multifunctional metal detector according to claim 5, further comprising a laser projection device integrated in the housing and connected to the control circuit board, wherein the laser projection device and the laser ranging device are arranged in parallel along a width direction of the middle frame or along a thickness direction of the middle frame, and a marking channel for a light source of the laser projection device to pass through is provided at a corresponding position of the middle frame.

7. The multifunctional metal detector according to claim 5, further comprising an illumination device integrated in the housing and connected to the control circuit board, wherein the illumination device and the laser ranging device are disposed on the same side of the middle frame, and an illumination channel for a light source of the illumination device to pass through is disposed at a corresponding position of the middle frame.

8. The multifunctional metal detector of claim 5, further comprising a test pencil integrated in the housing and connected to the control circuit board, wherein a first through hole is provided in a side of the intermediate frame corresponding to the test pencil, and the test pencil is slidably disposed in the housing between an extended position extending out of the first through hole and a hidden position retracted into the first through hole.

9. The multifunctional metal detector of claim 8, wherein the test pencil is provided with a toggle switch, and at least part of the toggle switch protrudes out of the surface of the shell so that the test pencil stretches out and draws back into the shell under the action of the toggle switch.

10. The multifunctional metal detector of claim 2, wherein the coupling assembly comprises a second coupling assembly, the functional device being configured to be movably switched between a first position, a second position, and a third position under the influence of the second coupling assembly, the functional device being disposed entirely within the housing when the functional device is in the first position; when the functional device is positioned at the second position, the functional device is wholly arranged outside the shell; when the functional device is in the third position, the functional device is disposed in the housing in a reverse orientation and at least a portion of the functional device extends out of the housing.

11. The multifunctional metal detector of claim 10, wherein the functional device comprises a first end side and a second end side, the first end side is provided with a conductive terminal, the second end side is provided with an elastic conductive element protruding from the second end side, the first end side is arranged opposite to the second end side and the conductive terminal is electrically connected with the elastic conductive element;

the conductive terminal of the first end side is located outside the housing when the functional device is located at the first position;

when the functional device is located at the third position, the elastic conductive element at the second end side is located outside the housing.

12. The multifunctional metal detector of claim 11, wherein the second coupling assembly comprises:

The support is arranged on the shell and defines a hidden groove, and the functional device is arranged in the hidden groove at the first position and the third position;

And the control mechanism is connected with the functional device to lock the functional device in the hidden groove when in the first position and the third position and unlock the functional device when in the second position.

13. The multifunctional metal detector of claim 12, wherein the second coupling assembly further comprises a coupling interface provided to the control circuit board, the coupling interface being connected to the conductive terminal when the functional device is in the third position.

14. The multifunctional metal detector of claim 12, wherein the support has a second through hole, the functional device has a first slot and a second slot that are opposite to the second through hole, the first slot and the second slot are opposite to each other on opposite sides of the functional device, and the control mechanism comprises:

The lever is hinged to the support, one end of the lever forms a key part, and the other end of the lever forms a clamping block corresponding to the second through hole in position and shape;

The elastic piece is arranged between the lever and the support, so that the lever moves between a locking position for locking the functional device and an unlocking position for unlocking the functional device, and the elastic conductive piece forms a telescopic conductive column;

When the lever is positioned at the locking position, the lever enables the clamping block to pass through the second through hole to be normally abutted against the first clamping groove or the second clamping groove under the action of the elastic piece;

When the lever is located at the unlocking position, the functional device is pushed out of the hidden groove under the action of the telescopic conductive column.

15. The multifunctional metal detector of claim 1, wherein the functional device is at least one of an ambient temperature detection device, an ambient humidity detection device, a tape measure device, an illumination device, a thermal imaging device, a laser ranging device, a laser marking device, an endoscope device, a thickness measurement device, a moisture content detection device, a gas detection device, a roller ranging device, or a brake oil moisture content detection device.

16. The utility model provides a multi-functional metal detection appearance, its includes casing and installs control circuit board, wall body detection circuit in the casing, its characterized in that includes:

At least one first coupling assembly connectable to the control circuit board, the first coupling assembly configured for detachably coupling at least one functional device to the multi-functional metal detector;

At least one second coupling assembly connectable to the control circuit board, the second coupling assembly being disposed in the housing, at least one other of the functional devices being configured to be movably switched between a first position, a second position and a third position under the influence of the second coupling assembly, the functional device being disposed entirely within the housing when the functional device is in the first position; when the functional device is positioned at the second position, the functional device is wholly arranged outside the shell; when the functional device is in the third position, the functional device is reversely arranged in the shell and at least part of the functional device extends out of the shell, wherein the functional device is used for providing other functions different from metal detection, and the wall detection circuit comprises: at least one transmitting coil; at least one receiving coil system inductively coupled with the transmitting coil, the receiving coil system comprising at least one first receiving coil and at least one second receiving coil located on the same plane of the control circuit board, wherein the transmitting coil forms a projection on the plane, the first receiving coil comprises the projection on the area formed by the plane, the second receiving coil is arranged around the projection in an opening shape on the area formed by the plane, and the first receiving coil and the second receiving coil are arranged in a winding mode in the same direction and are electrically connected with each other.

17. The multifunctional metal detector of claim 16, wherein the first coupling assembly comprises:

18. The multifunctional metal detector of claim 16, wherein the second coupling assembly comprises:

19. The multifunctional metal detector of claim 18, wherein the support has a second through hole, the functional device has a first slot and a second slot that are opposite to the second through hole, the first slot and the second slot are opposite to each other on opposite sides of the functional device, and the control mechanism comprises:

The elastic piece is arranged between the lever and the support, so that the lever moves between a locking position for locking the functional device and an unlocking position for unlocking the functional device;

When the lever is located at the unlocking position, the functional device is pushed out of the hidden groove under the action of the telescopic conductive column of the functional device.