CN202550592U - Induction device and induction head lamp thereof - Google Patents

Abstract

The utility model discloses an induction head lamp, including charging seat and illumination headlight, the charging seat charges to illumination headlight through non-contact electromagnetic induction's mode, has seted up unsmooth complex recess and convex body on its charging seat shell and the illumination headlight shell respectively, the protruding piece of block concave part and block connect respectively in on the unsmooth fitting surface of charging seat shell and illumination headlight shell, be equipped with two block grooves of opening opposite direction on the block concave part, the protruding piece of block includes two elastic arm, two be formed with on the elastic arm respectively with the block piece that the block groove corresponds, when charging the convex body stretches into in the recess, the block card is held in the block inslot. Compared with the prior art, the utility model discloses link together through the block of the protruding piece of block concave part and block between illumination headlight in the response headlight and the charging seat, not only connect stably, can directly insert the charging seat moreover and charge to on the power plug on the wall.

Description

Induction device and its induction headlight

technical field

The utility model relates to an induction headlamp, in particular to a non-contact induction headlamp capable of stably engaging the illumination headlamp on a charging stand. the

Background technique

With the improvement of people's living standards, electronic products (such as flashlights, small fans, electric shavers, table lamps, headlamps, camping lamps, etc.) Due to the limitation of frequency and place of use, frequent charging is required. There are two traditional charging methods. One is to directly connect the electronic product with the charging plug through the data cable, and the electric energy is imported from the charging plug into the battery of the mobile phone to store the electricity in the battery. The other is to disassemble the battery directly from the Dianzhi product and assemble it on the charger for charging. Because the first type needs to use the data cable to complete the charging, each time you charge, you need to plug one end of the data cable into the electronic product, and then unplug it after charging, which is not only troublesome, but also often leads to short wires, loose sockets, etc. The problem is that not only the charging effect is unstable, but also it will cause damage to electronic products. On the other hand, for products such as emergency lights and camping lights, since such electronic appliances are often in a charging state when not in use, it is sometimes difficult for users to remove the product from the charging stand in time when in use. A kind of non-contact charging device has been developed by technicians. the

Referring to patent US2010/0066251, an inductive emergency light applied to non-contact inductive charging is disclosed, which includes a lighting lamp, a charging base, an inductive transmitting module installed in the charging base, and an inductive receiving module installed in the lighting lamp , the charging base is provided with a groove, when working, the lighting lamp is inserted into the groove of the charging base, so that the large induction coil at the output end of the induction transmitting module is set on the induction receiving module In addition to the small induction coil at the input end, the large induction coil at the output end of the inductive transmission module converts the power input by the plug into magnetic energy, and the small induction coil at the input end of the induction receiving module converts the magnetic energy into an induced voltage And to charge the rechargeable batteries of the emergency lights. However, when the above-mentioned induction emergency light is charged, not only the charging stand is placed flat, but the lighting lamp is inserted vertically into the groove of the charging stand, and when the impact or vibration of an external force is applied, the lighting lamp will even turn out of the groove, affecting the induction. The induction between the transmitting module and the sensing receiving module. On the other hand, since the power input interface of the charging stand is a plug that protrudes from the shell of the charging stand, if the power socket is located on the wall or at a corner, due to gravity or the obstruction of the corner, the lighting lamp cannot be installed on the wall. on the charging stand. the

Therefore, there is an urgent need for a sensing device that can solve the above problems. the

Utility model content

The purpose of the utility model is to provide an induction device that can directly insert the charging stand into the power plug on the wall, and stably engage the electronic product on the charging stand. the

Another object of the present utility model is to provide an induction headlight that can directly insert the charging stand into a power plug on the wall, and stably engage the electronic product on the charging stand. the

In order to achieve purpose, the utility model provides an induction device for power supply and charging of electronic products, comprising a charging stand with a power input interface, installed in the shell of the charging stand and connected to the power input interface The inductive transmitting module, the inductive receiving module installed in the shell of the electronic product and corresponding to the inductive transmitting module, and the engaging mechanism for engaging and connecting the charging stand and the electronic product, the engaging mechanism includes mutually matched cards Engaging concave parts and engaging convex parts, the charging base housing and the electronic product housing are respectively provided with concave-convex matching grooves and convex bodies, and the engaging concave parts and engaging convex parts are respectively connected to the charging base housing On the concave-convex mating surface of the housing of the electronic product, the engaging concave part includes at least two engaging grooves opposite to the opening direction, and the engaging convex part includes at least two elastic arms, and the elastic arms are formed with The engaging block corresponding to the engaging groove, when the convex body extends into the groove, the engaging block is clamped in the engaging groove to restrict the convex body from exiting the groove. Wherein, the concave-convex mating surface includes a convex mating surface provided with the convex body and a concave mating surface provided with the groove; when the groove is installed on the shell of the charging stand, the convex body is installed On the housing of the electronic product, when the convex body is installed on the housing of the charging stand, the groove is installed on the housing of the electronic product; when the engaging concave part is installed on the concave mating surface, The engaging convex piece is installed on the convex matching surface, and when the engaging concave piece is installed on the convex matching surface, the engaging convex piece is installed on the concave matching surface. The power input interface can be a power plug protruding from the charging stand, or it can be an interface such as USB. the

Preferably, the at least two engaging grooves and the at least two elastic arms are respectively located on two opposite sides of the convex body. At least two engaging grooves and the at least two elastic arms are respectively located on two opposite sides of the convex body so that the locking part of the card number mechanism is located on both sides of the groove and the convex body, further preventing the concave Separation of slots and bumps. In this solution, at least two engaging grooves can be located at different heights on both sides of the convex body. When the engaging grooves are located at the same height, the openings of the engaging grooves can be opposite to each other or opposite to each other. Preferably, there are two elastic arms, and the ends of the two elastic arms are formed with two pressing ends opposite to each other. In this way, when the electronic product is pulled out from the charging stand, only the two pressing ends need to be pinched with fingers, and the two pressing ends drive the engaging block to exit the engaging groove through the two elastic arms. The elastic arm can be composed of a long arm made of elastic material (like tweezers or U-shaped clips), or it can be composed of a long arm rotatably mounted on a concave mating surface or a convex mating surface and connected to the long arm and the corresponding concave The mating surface or the convex mating surface is composed of a spring, and the spring provides a reset force for the long arm. This solution belongs to the above-mentioned first situation, and is not only simple in structure, but also low in cost. When the elastic arm belongs to the second situation, the two elastic arms are pivotally connected to a rotating shaft (the two elastic arms are cross-jointed and pivotally connected together, like scissors), and the contact pressure end can be located at the end of the end with the engaging block, It can also be formed on the other end of the elastic arm (relative to the rotation axis), which is generally applicable when the openings of the engaging slots are opposite to each other. the

Preferably, the engaging recess includes an engaging plate opposite to a concave mating panel surface provided with a groove, the engaging plate is installed on the concave mating surface, and the engaging plate is in contact with the groove. A through hole for the convex body and the engaging block to pass through is opened at the corresponding position, and there are two engaging grooves respectively opened on the walls of the two opposite sides of the through hole. the

Specifically, a guide edge for the engaging block to slide in is provided at the entrance of the through hole. The guide edge can guide the engaging block to slide into the engaging groove. the

Specifically, the engaging plate is rotatably connected to the housing with a concave mating surface and can rotate along the edge of the concave mating surface, and an arc-shaped concave-convex piece is installed at the connection between the engaging plate and the concave mating surface , the outer surface of the concave-convex member is provided with a wave-shaped or gear-shaped concave-convex body along its arc surface, and an engaging piece that elastically resists the concave-convex body is provided on the end of the engaging plate. When the engaging plate rotates, , the engaging piece collides with the concave-convex body and rotates along the concave-convex piece. the

Preferably, the engaging protrusion includes an engaging sleeve, the engaging sleeve is installed on the convex mating surface provided with the convex body and sleeved on the convex body, and the engaging sleeve The two opposite sides extend outward along the tangent thereof to form the elastic arm. the

Specifically, the engaging sleeve is rotatably sleeved on the convex body, and the convex body is located at the edge of the convex mating surface. In this way, by rotating the engaging sleeve, the electronic product can be inserted into the charging stand at different angles according to the different rotation angles, which solves the problem that the electronic product cannot be inserted into the charging stand when the power socket is located at a corner. Wherein, an operating arm extends outward from the engaging sleeve, and rotating the operating arm can control the engaging sleeve to rotate with the convex body as a rotation center. the

Preferably, the output end of the inductive transmitting module and the input end of the inductive receiving module are respectively provided with corresponding induction coils and electromagnetic rods, and the outer side of the groove is protruded in the shell of the charging stand or the shell of the electronic product, The induction coil is sleeved on the groove; the convex body is hollow inside, the electromagnetic rod is installed in the convex body, and when the convex body is inserted into the groove, the electromagnetic rod is inserted into the induction coil. In the coil, the induction coil or the electromagnetic rod of the induction receiving module is placed in the magnetic field of the electromagnetic rod or the induction coil of the induction transmission module and an induced voltage is generated. The above scheme makes the induction part of the present invention consist of an induction coil and an electromagnetic rod that cooperate with each other, and the electromagnetic rod is inserted into the induction coil, which effectively reduces the size of the induction coil and the coil in the electromagnetic rod, and the copper used Fewer wires make the induction device small in size, light in weight and low in cost. the

Compared with the prior art, the induction device of the utility model is equipped with engaging concave parts and engaging convex parts that can be engaged and connected on the concave-convex mating surface of the charging base and the electronic product. When charging or supplying power to the electronic product, the described The protruding body extends into the groove, and the engaging block is held in the engaging groove to restrict the protruding body from exiting the groove, which not only makes the connection between the charging stand and the electronic product more stable, In addition, when the charging stand is plugged into the power plug on the wall, the electronic product can still be firmly clamped on the charging stand. the

The utility model also provides an induction headlamp, comprising an illumination headlamp and the induction device, the induction device is used for power supply and charging of the illumination headlamp, a rechargeable battery, an illumination control circuit and lighting circuit, the inductive transmitting module is installed in the shell of the charging base and connected to the power input interface, the inductive receiving module is installed in the shell of the lighting headlamp and connected to the rechargeable battery, the The rechargeable battery is connected to the lighting circuit and provides power for the lighting circuit, and the lighting control circuit controls the opening and closing of the lighting circuit. Of course, the sensing device can also be used for power supply and charging of flashlights, small fans, electric razors, table lamps, emergency lights, and camping lights. the

Compared with the prior art, the lighting headlight and the charging seat in the induction headlight of the utility model are connected together through the engagement of the engaging concave part and the engaging convex part, which not only makes the connection between the charging seat and the lighting headlight The connection is more stable, and when the charging stand is plugged into the power plug on the wall, the lighting headlight can still be firmly clamped on the charging stand. the

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of the induction headlight of the present invention. the

Fig. 2a is a cross-sectional view of the induction headlight. the

Fig. 2b is another cross-sectional view of the induction headlight. the

Fig. 3 is a structural block diagram of the induction device in the present invention. the

Fig. 4a is a three-dimensional schematic diagram of the charging stand of the present invention. the

Fig. 4b is another perspective perspective view of the charging stand of the present invention. the

Fig. 5 is a cross-sectional view of the charging stand of the present invention. the

Fig. 6 is a three-dimensional exploded view of the charging stand of the present invention. the

Fig. 7 is a three-dimensional schematic diagram of the lighting headlight of the present invention. the

Fig. 8a is a cross-sectional view of the lighting headlight of the present invention. the

Fig. 8b is another sectional view of the illumination headlight described in the utility model

Fig. 9 is a three-dimensional exploded view of the illuminating headlight of the present invention. the

Fig. 10 is a schematic diagram of the connection between the engaging concave part and the engaging convex part of the present invention. the

Detailed ways

In order to describe the technical content, structural features, achieved goals and effects of the present utility model in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings. the

Referring to Figures 1 to 3, the utility model discloses an induction headlight 100, including an induction device 10 and a lighting headlight 20, referring to Figures 2b and 9, a rechargeable battery is installed in the housing 201 of the lighting headlight 20 21. Lighting control circuit (circuit board 22) and lighting circuit (LED lamp 231, light-transmitting cover 232, reflector 233), referring to FIG. 3, the induction device 10 includes a charging stand 11 with a power input interface 111, and The inductive transmitting module 12 connected to the power input interface 111 in the shell 101 of the charging base 11, the inductive receiving module 13 installed in the shell 201 of the lighting headlight 20 and corresponding to the inductive transmitting module 12, the The charging base 11 and the lighting headlight 20 are snap-fitted and connected together. Wherein, referring to FIG. 3 , the inductive transmitting module 12 is connected to the power input interface 111 and converts the power supply into magnetic energy for emission, and the inductive receiving module 13 accepts the magnetic energy output by the inductive transmitting module 12 and converts it into an induced voltage , and the induction receiving module 13 is connected to the rechargeable battery 21 to charge the rechargeable battery 21, and the rechargeable battery 21 is connected to the lighting circuit (LED lamp 23) and provides the lighting circuit (LED lamp 23) with power supply, the lighting control circuit (circuit board 22 ) controls the turning on and off of the lighting circuit (LED lamp 23 ). the

With reference to Fig. 3, described inductive transmission module 12 comprises the step-down circuit 121 that is connected with power supply input interface 11, the first rectification filter circuit 122 that is connected with the output end of described step-down circuit 121, and the first rectification filter circuit 122 that is connected to each other. The electromagnetic oscillating circuit 123 connected to the output end and the first induction circuit 124 connected to the output end of the electromagnetic oscillation circuit 123; the induction receiving module 13 includes a second induction circuit that cooperates with the first induction circuit 124 and generates an induced voltage Circuit 131, a second rectification and filtering circuit 132 connected to the second induction circuit 131, a voltage stabilizing circuit 133 connected to the output of the second rectification and filtering circuit 132, the output of the voltage stabilizing circuit 133 is connected to the load 134 connected. In this embodiment, the load 134 is specifically the rechargeable battery 21. When the induction device 10 is used for power supply or charging of other electronic products, the output end of the voltage stabilizing circuit 133 is connected to the electronic products (flashlight, small fan, electric razor, desk lamp, emergency lamp, camping lamp) on the corresponding load 134. Specifically, referring to FIG. 2 a and FIG. 2 b , the output end of the first induction circuit 124 is the electromagnetic rod 125 , and the input end of the second induction circuit 131 is the induction coil 135 . the

Referring to Figure 2a and Figure 2b, the housing 101 of the charging base 11 is provided with a convex body 112 and forms a convex mating surface 113, and the housing 201 of the lighting headlight 20 is concavely provided with a groove 202 and forms a concave mating surface 203. The concave mating surface 203 and the convex mating surface 113 are concave-convex matched with the convex body 112 through the groove 202 . Specifically, referring to Fig. 2a and Fig. 2b, the outer side of the groove 202 is protruded in the housing 201 of the lighting headlight 20, and the induction coil 135 is sleeved on the groove 202; the inside of the convex body 112 is hollow , the electromagnetic rod 125 is installed in the convex body 112, when the lighting headlight 20 is charged, the convex body 112 extends into the groove 202, and the electromagnetic rod 125 is inserted into the induction coil 135, The induction coil 135 is placed in the magnetic field of the electromagnetic rod 125 to generate an induced voltage. the

Referring to FIG. 2a, FIG. 2b and FIG. 10 , the engaging mechanism includes engaging recessed pieces 30 and engaging convex pieces 40 that cooperate with each other. On the mating surface 203, the engaging protrusion 40 is connected to the convex mating surface 113 of the housing 101 of the charging stand 11, and the engaging concave member 30 includes at least two engaging grooves 311 with opposite opening directions. The engaging protrusion 40 includes at least two elastic arms 41, and an engaging block 411 corresponding to the engaging groove 311 is formed on the elastic arm 41. When the protrusion 112 extends into the groove 202, the locking The block 411 is locked in the engaging groove 311 to restrict the protrusion 112 from exiting the groove 202 . the

Referring to FIG. 7 to FIG. 10 , the engaging recess 30 includes an engaging plate 31 opposite to the concave matching surface 203 of the illuminating headlight 20 , the engaging plate 31 is installed on the concave matching surface 203 , and The position corresponding to the groove 202 of the engaging plate 31 is provided with a through hole 312 through which the convex body 112 and the engaging block 411 pass through. There are two engaging grooves 311 respectively opened in the On the hole walls of the two opposite sides of the through hole 312, when the engaging protrusion 411 extends into the engaging groove 311, the two engaging grooves 311 are located on the two opposite sides of the convex body 112, and the entrance of the through hole 312 A guide edge 313 for sliding the engaging block 411 is defined. Specifically, referring to FIG. 2b and FIG. 7 to FIG. 9, the engaging plate 31 is rotatably connected to the housing 201 of the lighting headlight 20 and can rotate along the edge of the concave mating surface 203, and the engaging plate 31 and the An arc-shaped concave-convex piece 32 is installed at the joint of the concave mating surface 203, and the outer surface of the concave-convex piece 32 is provided with a wave-shaped or gear-shaped concave-convex body along its arc-shaped surface. There is an engaging piece 314 elastically resisting the concave-convex body. When the engaging plate 31 rotates, the engaging piece 314 collides with the concave-convex body and rotates along the arc-shaped concave-convex member 32 . the

Referring to FIG. 4a to FIG. 6 and FIG. 10 , the engaging protrusion 40 includes an engaging sleeve 42 , and the engaging sleeve 42 is installed on the convex mating surface 113 of the charging stand 11 and sleeved on the convex body 112 , and the two opposite sides of the engaging sleeve 42 extend outward along its tangent to form the elastic arm 41 , and there are two engaging blocks 411 formed on the elastic arm 41 and located on opposite sides of the convex body 112 , and the end of the elastic arm 41 is formed with two opposite pressing ends 412, when the lighting headlight 20 is unplugged from the charging base 11, you only need to pinch the two pressing ends 412 with your fingers to drive The engaging block 411 withdraws from the engaging slot 311 . Specifically, the engaging sleeve 42 is rotatably sleeved on the convex body 112, the convex body 112 is located at the edge of the convex mating surface 113, and the operating arm 421 extends outward from the engaging sleeve 42. , rotating the operating arm 421 can control the engaging sleeve 42 to rotate with the convex body 112 as the rotation center. In this embodiment, the engaging protrusion 40 is U-shaped. the

Specifically, referring to FIG. 2b, FIG. 9 and FIG. 10, a backing plate 33 is fixed on the outer surface of the engaging plate 31 (the side facing away from the concave mating surface 203), and the backing plate 33 is made of a flexible material. When charging, the backing plate 33 is located between the engaging plate 31 and the convex mating surface 113 to fill the gap caused by the engaging sleeve 42 and prevent the engaging plate 31 and the convex mating surface 113 from directly contacting and rotating. the

What is disclosed above is only the preferred embodiment of the present utility model, and of course the scope of rights of the present utility model cannot be limited with this. Therefore, the equivalent changes made according to the patent scope of the utility model still belong to the scope covered by the utility model . the

Claims (10)

1. An inductive device, used for power supply and charging of electronic products, comprising a charging stand with a power input interface, an inductive transmitting module installed in the shell of the charging stand and connected to the power input interface, installed in the electronic product The inductive receiving module inside the housing and corresponding to the inductive transmitting module is characterized in that it also includes engaging concave parts and engaging convex parts that cooperate with each other, and concave-convex fittings are respectively provided on the charging base shell and the electronic product shell. grooves and protrusions, the engaging recesses and engaging protrusions are respectively connected to the concave-convex mating surfaces of the charging stand shell and the electronic product shell, and the engaging recesses include at least two cards with opposite opening directions. The engaging groove, the engaging protruding piece includes at least two elastic arms, and an engaging block corresponding to the engaging groove is formed on the elastic arm. When the convex body extends into the groove, the engaging The block is clamped in the engaging groove to restrict the protrusion from exiting the groove. 2 . The sensing device according to claim 1 , wherein the at least two engaging grooves and the at least two elastic arms are respectively located on two opposite sides of the protrusion. 3 . 3 . The sensing device as claimed in claim 1 , wherein there are two elastic arms, and two contact pressing ends opposite to each other are formed at the ends of the two elastic arms. 4 . 4. The induction device according to claim 1, wherein the engaging concave part comprises an engaging plate opposite to the surface of the concave mating panel provided with grooves, and the engaging plate is installed on the concave mating surface , and the position corresponding to the engaging plate and the groove is provided with a through hole for the convex body and the engaging block to pass through, and there are two engaging grooves respectively set on two sides of the through hole on the hole wall on the opposite side. 5 . The sensing device according to claim 4 , wherein a guide edge for the engaging block to slide in is provided at the entrance of the through hole. 5 . 6. The induction device according to claim 4, wherein the engaging plate is rotatably connected to the housing having a concave mating surface and can rotate along the edge of the concave mating surface, and the engaging plate and the An arc-shaped concave-convex piece is installed at the connection of the concave-convex surface, and the outer surface of the concave-convex piece is provided with a wave-shaped or gear-shaped concave-convex body along the arc surface, and the end of the engaging plate is convexly provided with an elastic contact surface. The engaging piece of the concave-convex body, when the engaging plate rotates, the engaging piece collides with the concave-convex body and rotates along the concave-convex piece. 7. The sensing device according to claim 1, wherein the engaging convex piece comprises an engaging sleeve, and the engaging sleeve is installed on the convex mating surface on which the convex body is protruded and sleeved on On the convex body, two opposite sides of the engaging sleeve extend outward along a tangent thereof to form the elastic arm. 8. The induction device according to claim 7, wherein the engaging sleeve is pivotally connected to the convex body and rotates with the convex body as the rotation center, and the convex body is arranged on the convex fitting edge of the face. 9. The induction device according to claim 1, characterized in that: the output end of the inductive transmitting module and the input end of the inductive receiving module are respectively provided with corresponding induction coils and electromagnetic rods, and the outer side of the groove is convexly arranged In the shell of the charging stand or the shell of the electronic product, the induction coil is sleeved on the groove; the interior of the convex body is hollow, the electromagnetic rod is installed in the convex body, and the convex body is inserted into the When the groove is inserted, the electromagnetic rod is inserted into the induction coil, so that the induction coil or electromagnetic rod of the induction receiving module is placed in the magnetic field of the electromagnetic rod or induction coil of the induction transmitting module and an induced voltage is generated . 10. An induction headlamp, characterized in that it comprises an illumination headlamp and the induction device as claimed in any one of claims 1-9, a rechargeable battery, an illumination control circuit and lighting circuit, the inductive transmitting module is installed in the shell of the charging base and connected to the power input interface, the inductive receiving module is installed in the shell of the lighting headlamp and connected to the rechargeable battery, the The rechargeable battery is connected with the lighting circuit and provides power for the lighting circuit, and the lighting control circuit controls the opening and closing of the lighting circuit.

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