CN111903015A

CN111903015A - Multifunctional conversion device

Info

Publication number: CN111903015A
Application number: CN201880091293.5A
Authority: CN
Inventors: 董学章
Original assignee: Jiangsu Shushi Technology Co ltd
Current assignee: Jiangsu Shushi Technology Co ltd
Priority date: 2018-03-28
Filing date: 2018-03-28
Publication date: 2020-11-06
Also published as: WO2019183839A1

Abstract

The application provides a multifunctional conversion device. The conversion device has a housing and a circuit board. The circuit board is placed in the shell-shaped body. The shell-shaped body is provided with a first through hole and a second through hole. The first and second through holes may be shielded such that only one of the first and second through holes can be fully exposed at a time. The circuit board is provided with a first interface, a second interface and an output end. The first interface and the second interface are matched with the first through hole and the second through hole respectively in size. The positions of the first interface and the second interface respectively correspond to the positions of the first through hole and the second through hole. Thereby, the first interface and the second interface may be obscured such that only one of the first interface and the second interface can be fully exposed at the same time. The multifunctional conversion device can be matched with more than two power inputs and can prevent the two power inputs from working simultaneously.

Description

Multifunctional conversion device

Technical Field

The invention belongs to the field of electricity, and particularly relates to a multifunctional conversion device.

Background

Some charging devices exist in the market at present, some of the devices are provided with a plurality of external interfaces for connecting external wires to be powered on, but the following problems also exist: when the external interfaces are simultaneously connected with the external lines for working, the working voltages are different, voltage difference exists, short circuits are easily generated on the lines of the charging device, and potential safety hazards are caused.

Disclosure of Invention

The invention aims to provide a multifunctional conversion device which can at least ensure that only one external power supply interface works at the same time.

In order to achieve the above object, the present application provides a multifunctional conversion device, which includes a circuit board, wherein the circuit board is provided with a first interface, a second interface and an output end; the first interface is provided with a first positive terminal and a first negative terminal; the second interface is provided with a second positive terminal, a second negative terminal and a third negative terminal; the first positive end is electrically connected to the second positive end, the first negative end is electrically connected to the second negative end, a connection switch is electrically connected between the inside of the second negative end and the inside of the third negative end, and the connection switch is set to be switched on and off according to the switching-in condition of the second interface.

In a preferred embodiment, the multifunctional switching device has an upper cover plate and a lower base plate, the upper cover plate and the lower base plate are connected with each other to form a shell; the circuit board is arranged in the shell-shaped body; and a first through hole and a second through hole are formed in the front side wall of the upper cover plate, and the first interface and the second interface are opposite to the first through hole and the second through hole in position and are matched in size.

In another preferred embodiment, a groove is formed in the rear side wall of the upper cover plate, a protrusion is arranged on the lower base plate, the protrusion is opposite to the groove, and the upper cover plate and the lower base plate form an output hole through the cooperation of the protrusion and the groove.

In another preferred embodiment, the recess is located at the middle of the rear sidewall of the upper cover plate.

In another preferred embodiment, four corners of the lower plate are provided with first screw holes, four corners of the inside of the upper plate are provided with second screw holes, the second screw holes are opposite to the first screw holes respectively and are matched with the first screw holes in size, and screws are respectively inserted into the second screw holes from the first screw holes so as to fixedly connect the upper plate and the lower plate.

In another preferred embodiment, two third screw holes are formed in the lower base plate, two fourth screw holes are formed in the circuit board, the third screw holes and the fourth screw holes are opposite in position and matched in size, and screws penetrate through the third screw holes and the fourth screw holes respectively, so that the circuit board and the lower base plate are fixedly connected.

In another preferred embodiment, the rear side wall of the upper cover plate is further provided with a reset hole.

In another preferred embodiment, the second positive terminal and the third negative terminal are respectively connected to the positive power terminal and the negative power terminal of the circuit board.

In a preferred embodiment, the first interface and the second interface are located at the same end of the circuit board.

In another preferred embodiment, the middle part of the output end of the circuit board is matched with the groove of the upper cover plate, when the upper cover plate is connected with the lower cover plate, the middle part of the output end of the circuit board is buckled in the groove of the upper cover plate, and the head part of the output end of the circuit board is exposed out of the groove of the upper cover plate.

In another preferred embodiment, the first interface and the second interface are power input terminals with different specifications, and the output terminal of the circuit board is a power output terminal.

In another preferred example, the first interface and the second interface are a USB power port and a DC power port, respectively.

In another preferred embodiment, the output end of the circuit board is connected with a 3.5mm plug.

In one embodiment, the circuit board is configured to power and/or transmit data to a voice assistant via the 3.5mm plug.

In another preferred embodiment, the circuit board is provided with a wireless signal transceiver module for receiving and transmitting wireless signals.

In another preferred embodiment, the circuit board is provided with a conversion circuit for converting one type of wireless signals into other types of wireless signals.

The invention also provides a multifunctional conversion device, which comprises an upper cover plate, a lower bottom plate and a sliding block; wherein the upper cover plate and the lower base plate are connected with each other to form a shell; a first through hole and a second through hole are formed in the front side wall of the upper cover plate; and the upper wall of the upper cover plate is provided with a sliding groove close to the front side wall, the sliding block is slidably arranged on the sliding groove, and the sliding block is arranged to be operable to shield the first through hole or the second through hole, so that only one of the first through hole and the second through hole can be completely exposed at the same time; and a circuit board is placed in the shell-shaped body, a first interface, a second interface and an output end are arranged on the circuit board, the sizes of the first interface and the second interface are respectively matched with the first through hole and the second through hole, and the positions of the first interface and the second interface are respectively corresponding to the positions of the first through hole and the second through hole.

In another preferred embodiment, the sliding block comprises a sliding part and a stop block, the sliding part and the stop block are connected up and down or formed into a whole, and at least part of the sliding part is exposed out of the sliding groove and used for operating the sliding block; and the stop block is used for shielding the first through hole or the second through hole.

In a further refinement, the stop is located completely within the sliding groove.

In another preferred embodiment, the length of the stopper is greater than the length of the first through hole and greater than the length of the second through hole, the height of the stopper is greater than the width of the first through hole and greater than the width of the second through hole, and the length of the stopper is greater than the distance between the first through hole and the second through hole.

In another preferred embodiment, a limiting block is arranged on the lower bottom plate, the position of the limiting block corresponds to the position of the sliding groove of the upper cover plate, and the sliding block is positioned between the limiting block and the front side wall of the upper cover plate.

In another preferred embodiment, the two ends of the limiting block are provided with a first limiting part and a second limiting part which are respectively used for limiting the sliding block to slide left and right.

In another preferred embodiment, a guide groove is arranged on the lower bottom plate, the guide groove is opposite to the sliding groove, and a first positioning ball groove and a second positioning ball groove are formed in the bottom of the guide groove.

In another preferred example, the distance between the first positioning ball groove and the second positioning ball groove is greater than the length of the first through hole and greater than the length of the second through hole.

In another preferred example, the distance between the first positioning ball groove and the second positioning ball groove is equal to the distance between the first through hole and the second through hole.

In another preferred embodiment, a blind hole is formed below the stop block of the slider, a spring and a ball are arranged in the blind hole, wherein one end of the spring abuts against the upper wall of the blind hole, the other end of the spring is opposite to the ball, and the ball is in clearance fit with the blind hole.

In another preferred embodiment, the blind hole is located at the center below the stop block, and the size of the ball is matched with the first positioning ball groove and the second positioning ball groove.

In another preferred embodiment, a guide groove is arranged on the lower bottom plate, and a third positioning ball groove, a fourth positioning ball groove, a fifth positioning ball groove and a sixth positioning ball groove are formed below the guide groove.

In another preferred embodiment, the third and fourth ball grooves have the same pitch and the fifth and sixth ball grooves have the same pitch.

In another preferred embodiment, a first blind hole and a second blind hole are formed below the stop block of the sliding block, a first spring and a first ball are arranged in the first blind hole, wherein one end of the first spring is connected to the upper wall of the first blind hole, the other end of the first spring is abutted against the first ball, the first ball is in clearance fit with the first blind hole, a second spring and a second ball are arranged in the second blind hole, one end of the second spring is connected to the upper wall of the second blind hole, the other end of the second spring is abutted against the second ball, and the second ball is in clearance fit with the second blind hole.

In another preferred example, the distance between the first blind hole and the second blind hole is the same as the distance between the third positioning ball groove and the fourth positioning ball groove, and the distance between the first blind hole and the second blind hole is the same as the distance between the fifth positioning ball groove and the sixth positioning ball groove.

In another preferred embodiment, the sliding groove is provided with a first buckling part and a second buckling part, and the stop block of the sliding block is provided with a third buckling part and a fourth buckling part which are respectively matched with the first buckling part and the second buckling part.

In another preferred embodiment, a circuit board is fixedly placed on the lower bottom plate, a first interface and a second interface are arranged at one end of the circuit board, the sizes of the first interface and the second interface are respectively matched with the first through hole and the second through hole, and the positions of the first interface and the second interface are respectively corresponding to the positions of the first through hole and the second through hole; the first interface and the second interface are power input ends with different specifications, and the output end of the circuit board is a power output end.

In another preferred example, the middle part of the output end of the circuit board is matched with the groove of the upper cover plate, when the upper cover plate is connected with the lower cover plate, the middle part of the output end of the circuit board is buckled in the groove of the upper cover plate, and the head of the output end of the circuit board is exposed out of the groove of the upper cover plate.

In another preferred example, the output end of the circuit board is connected with a 3.5mm plug.

In another preferred embodiment, the circuit board is provided with a wireless signal transceiver module for receiving and transmitting wireless signals; and the circuit board is provided with a conversion circuit for converting one type of wireless signals into other types of wireless signals.

The invention further provides a multifunctional conversion device, which comprises an upper cover plate, a lower bottom plate and a sliding block; wherein the upper cover plate and the lower base plate are connected with each other to form a shell; and a sliding groove is formed on the front side wall of the upper cover plate and is provided with a first through hole and a second through hole, the sliding block is installed in the sliding groove, and the sliding block is arranged to be operable to shield the first through hole or the second through hole, so that only one of the first through hole and the second through hole can be completely exposed at the same time; and a circuit board is placed in the shell-shaped body, a first interface, a second interface and an output end are arranged on the circuit board, the sizes of the first interface and the second interface are respectively matched with the first through hole and the second through hole, and the positions of the first interface and the second interface are respectively corresponding to the positions of the first through hole and the second through hole.

In another preferred example, the length of the sliding block is greater than the length of the first through hole and greater than the length of the second through hole, and the height of the sliding block is the same as the height of the sliding groove.

In another preferred embodiment, the sliding block comprises a sliding part and a stop block, the sliding part is connected with the stop block in a front-back manner, the upper side of the stop block is provided with a first clamping part and a second clamping part, and the lower side of the stop block is provided with a third clamping part and a fourth clamping part; and the upper edge of the sliding groove is provided with a guide groove, the guide groove is provided with a first fixing part and a second fixing part, and the first fixing part and the second fixing part are respectively matched with the first clamping part and the second clamping part.

In another preferred embodiment, the sliding part is provided with a plurality of strip-shaped parts.

In another preferred embodiment, the output end of the circuit board is connected with a 3.5mm plug; and the circuit board is configured to power and/or transmit data to the voice assistant via the 3.5mm plug.

In another preferred embodiment, the circuit board is provided with a wireless signal transceiver module and a conversion circuit, the wireless signal transceiver module is used for receiving and transmitting wireless signals, and the conversion circuit is used for converting one type of wireless signals into other types of wireless signals.

In another preferred embodiment, a guide groove is formed in the lower plate, the guide groove in the lower plate corresponds to the guide groove in the sliding groove, a third fixing portion and a fourth fixing portion are arranged in the guide groove in the lower plate, and the third fixing portion and the fourth fixing portion are respectively matched with the third clamping portion and the fourth clamping portion.

In another preferred embodiment, a groove is formed in the other side surface of the upper cover plate, a protrusion matched with the groove of the upper cover plate is arranged on the lower base plate and opposite to the other end of the guide groove of the lower base plate, and the upper cover plate and the lower base plate are connected in a matched mode through the groove and the protrusion.

In another preferred embodiment, the middle part of the output end of the circuit board is matched with the groove of the upper cover plate, when the upper cover plate is connected with the lower cover plate, the middle part of the output end of the circuit board is clamped in the groove of the upper cover plate, and the head of the output end of the circuit board is exposed out of the groove of the upper cover plate.

The multifunctional conversion device has the following advantages:

1. the connecting switch between the two interfaces can be automatically switched on and off, so that the problem of short circuit caused by simultaneous working of the two interfaces at the same time is avoided.

2. Through setting up the slider structure, carry out the alternative to two through-holes and shelter from, can guarantee that only interface of the same kind can work at one time.

3. Can also realize signal conversion to external equipment charges, the function is comprehensive.

4. Simple structure, low cost, beautiful appearance and convenient use.

Brief description of the drawings

Fig. 1 is a schematic structural diagram of a multi-way incision switching apparatus according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of the upper cover plate.

Fig. 3 is another structural schematic diagram of the upper cover plate.

Fig. 4 is a schematic structural view of the upper cover plate and the lower base plate in a matching connection.

Fig. 5 is a schematic structural view of the slider.

Fig. 6 is a schematic view of a structure in which a slider is placed on a lower plate.

Fig. 7 is a schematic view of a structure in which a slider and a circuit board are placed on a lower base plate.

FIG. 8 is a cross-sectional view of a mating connection of an upper plate and a lower plate according to another embodiment of the present invention.

Fig. 9 is a sectional view of a multi-functional conversion apparatus using the upper and lower plates of fig. 8.

FIG. 10 is a cross-sectional view of a mating connection of an upper plate and a lower plate according to yet another embodiment of the present invention.

Fig. 11 is a sectional view of a multi-function switching apparatus using the upper and lower plates of fig. 8.

Fig. 12 is a schematic view of the structure of the sliding block in the sliding groove.

Fig. 13 is a schematic structural view of a multifunctional conversion device according to another embodiment of the invention.

Fig. 14 is a schematic structural view of the multifunctional switching device of fig. 13.

Fig. 15 is a schematic view of the structure of the slider.

Fig. 16 is a schematic structural view of the upper cover plate of fig. 13.

Fig. 17 is a schematic structural view of the lower plate of fig. 13.

Fig. 18 is a schematic structural view of a multi-functional conversion apparatus according to still another embodiment of the present invention.

Fig. 19 is a schematic view of a structure in which a circuit board is placed on a lower plate.

Fig. 20 is a schematic diagram of the connection between the first interface and the second interface.

Fig. 21 is a schematic view showing connection of the multi-function switching device of fig. 18 with an external device.

List of reference numerals

An upper cover plate-100, a lower bottom plate-200, a sliding groove-101, a first through hole-102, a second through hole-103, a sliding block-300, a groove-104, a protrusion-201, a sliding part-301, a stopper-302, a lower bottom plate-200, a protrusion-201, a stopper-202, a first stopper-203, a second stopper-204, a sliding block-300, a circuit board-400, a first interface-401, a second interface-402, an output end-403 of the circuit board, a guide groove-205, a first positioning ball groove-206, a second positioning ball groove-207, a blind hole-303, a spring-304, a ball-305, a guide groove-208, a third positioning ball groove-209, a fourth positioning ball groove-210, a fifth positioning ball groove-211, a sixth positioning ball groove-212, a first blind hole-309, a second blind hole-306, a first spring-310, a second spring-307, a first ball-311, a second ball-308, a first buckling part-105, a second buckling part-106, a second through hole-102, a second stopper-202, a first limiting part-203, Third buckling part-312, fourth buckling part-313, upper cover plate-500, lower bottom plate-600, sliding chute-501, first through hole-502, second through hole-503, sliding block-700, sliding part-702, stopper-701, first clamping part-703, second clamping part-704, third clamping part-705, fourth clamping part-706, strip-707, guide groove-504, first fixing part-505, second fixing part-506, groove-507, lower bottom plate-600, guide groove-601, third fixing part-603, fourth fixing part-602, protrusion-604, upper cover plate-800, lower bottom plate-900, first through hole-801, second through hole-802, lower bottom plate-900, circuit board-1000, first interface-1001, second interface-1002, output end-1003 of circuit board, first interface-1001, second interface-1002, first positive terminal-1004, first negative terminal-1005, second positive terminal-1006-1001, second positive terminal-1002, Second negative terminal-1007, third negative terminal-1008, component-1009, external device-2000

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the invention can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the present invention, but are merely intended to illustrate the spirit of the technical solution of the present invention.

In the following description, for the purposes of illustrating various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. One skilled in the relevant art will recognize, however, that the embodiments may be practiced without one or more of the specific details. In other instances, well-known devices, structures and techniques associated with this application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.

Throughout the specification and claims, the word "comprise" and variations thereof, such as "comprises" and "comprising," are to be understood as an open, inclusive meaning, i.e., as being interpreted to mean "including, but not limited to," unless the context requires otherwise.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

As used in this specification and the appended claims, the singular forms "a", "an", and "the" include plural referents unless the context clearly dictates otherwise. It should be noted that the term "or" is generally employed in its sense including "and/or" unless the context clearly dictates otherwise.

In the following description, for the purposes of clearly illustrating the structure and operation of the present invention, directional terms will be used, but terms such as "front", "rear", "left", "right", "outer", "inner", "outer", "inward", "upper", "lower", etc. should be construed as words of convenience and should not be construed as limiting terms.

Fig. 1 to 12 show the structure of a multifunctional conversion apparatus according to an embodiment of the present invention. As shown in fig. 1 to 12, the device includes an upper cover plate 100, a lower base plate 200, and a slider 300, wherein the upper cover plate 100 and the lower base plate 200 are connected up and down to form a shell-like member. Within which a circuit board 400 is placed. The front side wall of the upper cover plate is provided with a first through hole 102 and a second through hole 103.

The upper wall of the upper cover plate is provided with a sliding groove 101 near the side surface. The slider 300 is mostly located in the chute 101. Preferably, the thickness of the slider 300 is greater than the width of the runner 101, avoiding the slider being pulled out of the runner. The first through hole 102 or the second through hole 103 can be shielded by moving the slider.

As shown in fig. 3, the other side surface of the upper cover plate 100 is formed with a groove 104. The lower base plate 200 is provided with a protrusion 201 matched with the groove 104. The upper cover plate 100 and the lower base plate 200 are aligned by the engagement of the groove 104 and the protrusion 201 and are coupled together by screws. As shown in fig. 5, the slider 300 includes a sliding portion 301 and a stopper 302. The sliding part and the stopper are connected up and down or formed as a whole. The sliding portion is at least partially exposed from the slide groove 101 for enabling sliding of the slider. The stopper 302 may be completely located in the sliding groove 101, and is used for shielding the first through hole or the second through hole. In one embodiment, the length of the stopper 302 is greater than the length of the first through hole 102 and greater than the length of the second through hole 103. The height of the stop 302 is greater than the first via width and greater than the second via width. The length of the stopper 302 is greater than the distance between the first through hole and the second through hole.

As shown in fig. 6, in an embodiment, a limiting block 202 is disposed on the lower plate 200. The position of the stop block 202 corresponds to the position of the sliding slot of the upper cover plate 100. The stopper of the slider 300 is located between the stopper 202 and a side of the upper cover plate 100. The two ends of the limiting block 202 are provided with a first limiting part 203 and a second limiting part 204 for limiting the sliding block to slide left and right.

As shown in fig. 7, in an embodiment, a circuit board 400 is fixedly disposed on the bottom plate, and a first interface 401 and a second interface 402 are disposed on one end of the circuit board 400, and have sizes respectively matched with the first through hole and the second through hole, and positions respectively corresponding to the first through hole and the second through hole. In one embodiment, the first interface is a USB power port and the second interface is a DC power port. The other end of the circuit board is an output terminal 403. The output may be a power supply output. The middle portion of the output end 403 of the circuit board 400 matches the groove of the upper cover plate. When the upper cover plate is connected with the lower base plate, the middle part of the output end of the circuit board is buckled in the groove of the upper cover plate. The head of the output end of the circuit board is exposed from the groove of the upper cover plate and is used for accessing an external wire, such as an external wire with a 3.5mm plug.

Fig. 8 and 9 show a structural view of a modification of the above embodiment. As shown in fig. 8 to 9, the lower plate 200 is provided with a guide groove 205. A first positioning ball groove 206 and a second positioning ball groove 207 are arranged below the guide groove. The distance between the first ball groove 206 and the second ball groove 207 is greater than the length of the first through hole and greater than the length of the second through hole. In another embodiment, the distance between the first positioning ball groove and the second positioning ball groove is equal to the distance between the first through hole and the second through hole. As shown in fig. 9, a blind hole 303 is formed below the stopper of the slider. A spring 304 and a ball 305 are provided in the blind bore 303. One end of the spring 304 abuts against the upper wall of the blind hole 303, and the other end of the spring is opposite to the ball 305. The balls 305 are in clearance fit with the blind holes 303. In one embodiment, the blind hole 303 is centrally located below the stop. The ball size all matches with first location ball groove and second location ball groove.

Fig. 10 and 11 show a structural view of still another modification of the above-described embodiment. As shown in fig. 10, the lower plate 200 is provided with a guide groove 208. A third ball positioning groove 209, a fourth ball positioning groove 210, a fifth ball positioning groove 211 and a sixth ball positioning groove 212 are formed below the guide groove 208. In one embodiment, the third ball detent groove 209 is spaced from the fourth ball detent groove 210 by the same distance as the fifth ball detent groove 211 is spaced from the sixth ball detent groove 212. Correspondingly, as shown in fig. 11, in an embodiment, a first blind hole 309 and a second blind hole 306 are formed below the stopper of the slider, and a first spring 310 and a first ball 311 are disposed in the first blind hole, wherein one end of the first spring abuts against an upper wall of the first blind hole, and the other end of the first spring is opposite to the first ball. The first ball is in clearance fit with the first blind hole. A second spring 307 and a second ball 308 are disposed in the second blind hole, wherein one end of the second spring abuts against the upper wall of the second blind hole, and the other end of the second spring is opposite to the second ball. The second ball is in clearance fit with the second blind hole. In one embodiment, the distance between the first blind hole and the second blind hole is the same as the distance between the third ball positioning groove and the fourth ball positioning groove, and the distance between the first blind hole and the second blind hole is the same as the distance between the fifth ball positioning groove and the sixth ball positioning groove.

The operation of the slider 300 is as follows: the sliding part of the hand-pushed sliding block slides leftwards and rightwards, when the ball below the stop block rolls to the second positioning ball groove (the first positioning ball groove), the ball is pushed into the second positioning ball groove (the first positioning ball groove) by the thrust of the spring, the sliding block cannot continuously slide, and the positioning effect is realized. At this time, the stopper of the slider completely blocks the first through hole (second through hole), and the second through hole (first through hole) is completely exposed. Further, the user penetrates an interface wire matched with the second through hole (first through hole) through the second through hole (first through hole) and is connected with a second interface (first interface) on the circuit board to provide power for the circuit board. The head of the output end of the circuit board can be connected with an external power line and connected to an external device (such as Alexa) for supplying power.

In one embodiment, the external power line connected to the head of the output end of the circuit board is provided with a 3.5mm plug. The 3.5mm plug may accommodate connecting different types of voice assistants (e.g., Alexa, Google Home) that support the plug. In an embodiment, the circuit board is provided with a wireless signal transceiver module for receiving and transmitting wireless signals, such as WiFi, Zigbee or bluetooth.

Fig. 12 shows another way of securing the slider. As shown in fig. 12, the chute is provided with a first latching portion 105 and a second latching portion 106. The stopper of the slider is provided with a third buckling part 312 and a fourth buckling part 313 which are respectively matched with the first buckling part 105 and the second buckling part 106. When the sliding part of the hand-pushed sliding block slides leftwards or rightwards, and the third buckling part (the fourth buckling part) on the stop block of the sliding block is buckled with the first buckling part (the second buckling part) of the sliding groove, the sliding block is difficult to continue to slide, and the positioning effect is realized. At this time, the stopper of the slider completely blocks the first through hole (second through hole), and the second through hole (first through hole) is completely exposed.

Fig. 13 to 17 show a multi-functional conversion apparatus according to another embodiment of the present invention. As shown in fig. 13 to 17, the apparatus includes an upper cover plate 500, a lower plate 600, a slider 700, and a circuit board. The upper plate 500 and the lower plate 600 are coupled to each other to form a housing-like member. A sliding groove 501 is formed on one side surface of the upper cover plate 500. The chute is provided with a first through hole 502 and a second through hole 503. The slider 700 is installed in the sliding groove 501, and the first through hole or the second through hole is shielded by sliding in the sliding groove. Preferably, the length of the slider 700 is greater than the length of the first through-hole 502 and greater than the length of the second through-hole 503. The height of the slider 700 is the same as the height of the chute.

As shown in fig. 15, the slider 700 includes a sliding portion 702 and a stopper 701. The slide portion 702 is connected to the stopper 701 in the front-rear direction. The upper edge of the stopper is provided with a first clamping part 703 and a second clamping part 704, and the lower edge of the stopper is provided with a third clamping part 705 and a fourth clamping part 706. In one embodiment, the sliding portion has a plurality of bars 707 to increase the contact friction and increase the sliding speed.

As shown in fig. 16, the upper edge of the sliding slot is provided with a guide slot 504, the guide slot is provided with a first fixing portion 505 and a second fixing portion 506, and the first fixing portion and the second fixing portion are respectively matched with the first clamping portion and the second clamping portion. As shown in fig. 17, a guide slot 601 is formed on the lower plate, the guide slot on the lower plate corresponds to the guide slot of the sliding slot, and the guide slot on the lower plate is provided with a third fixing portion 603 and a fourth fixing portion 602. The third fixing part and the fourth fixing part are respectively matched with the third clamping part and the fourth clamping part.

During operation, the sliding part of the hand-push sliding block slides leftwards and rightwards, when the first clamping part (the second clamping part) of the stop block is clamped and fixed with the first fixing part (the second fixing part) of the sliding groove and the third clamping part (the fourth clamping part) is clamped and fixed with the third fixing part (the fourth fixing part) of the guide groove on the lower bottom plate, the sliding cannot continue to slide, and the positioning effect is realized. At this time, the stopper completely blocks the second through hole (first through hole), and the first through hole (second through hole) is completely exposed.

The other mode that this scheme realized the slider location is similar with above-mentioned scheme, and two location ball grooves that have certain interval are opened to the guide way below on the lower plate. A blind hole is arranged below the stop block. The blind hole is internally provided with a spring and a ball. One end of the spring is abutted against the upper wall of the blind hole, and the other end of the spring is abutted against the ball. The ball is in clearance fit with the blind hole. In one embodiment, the blind hole is located in the center below the stop block, and the ball is matched with the two positioning ball grooves in size. When the sliding part of the sliding block is pushed to slide left or right, when the ball below the stop block rolls to a positioning ball groove (another positioning ball groove), the thrust of the spring pushes the ball into the positioning ball groove (another positioning ball groove), and the sliding block can not slide continuously, so that the positioning effect is realized. At this time, the stopper completely blocks the second through hole (first through hole), and the first through hole (second through hole) is completely exposed. As shown in fig. 16-17, in one embodiment, the other side of the upper cover plate is provided with a groove 507, the other end of the lower base plate opposite to the guide groove of the lower base plate is provided with a protrusion 604 matching with the groove of the upper cover plate, and the upper cover plate and the lower base plate are aligned by the matching of the groove and the protrusion.

Similar to the above scheme, in an embodiment of the scheme, a circuit board is fixedly placed on the lower bottom plate, one end of the circuit board is provided with two interfaces, the sizes of the two interfaces are respectively matched with the first through hole and the second through hole, and the positions of the two interfaces are respectively corresponding to the first through hole and the second through hole. In one embodiment, the first interface is a USB power port and the second interface is a DC power port. The middle part of the output end of the circuit board is matched with the groove of the upper cover plate, when the upper cover plate is connected with the lower cover plate, the middle part of the output end of the circuit board is buckled in the groove of the upper cover plate, and the head of the output end of the circuit board is exposed out of the groove of the upper cover plate and used for being connected into an external power line.

When the stop block completely blocks the second through hole (the first through hole), the first through hole (the second through hole) is completely exposed, and a user penetrates a power line matched with the first through hole (the second through hole) through the first through hole (the second through hole) and is connected with a corresponding first interface (a second interface) on the circuit board. The head of the output end of the circuit board is connected into an external output power line and is connected to an external device (such as Alexa) so as to supply power to the external device. Similarly, the external output power cord may be provided with a 3.5mm plug that may accommodate connection to different types of voice assistants (e.g., Alexa, Google Home) that support the plug. In an embodiment, the circuit board is provided with a wireless signal transceiver module for receiving and transmitting wireless signals, such as WiFi, Zigbee or bluetooth signals.

Fig. 18 to 20 show a multi-functional conversion apparatus according to another embodiment of the present invention. As shown in fig. 18 to 20, the conversion apparatus includes an upper plate 800 and a lower plate 900. The upper cover plate and the lower base plate are connected up and down to form a shell. A first through hole 801 and a second through hole 802 are formed in one side face of the upper cover plate. Similar to the scheme, the other side surface of the upper cover plate is provided with a groove, the lower bottom plate is provided with a bulge, the bulge is opposite to the groove, and the upper cover plate and the lower bottom plate are connected through the matching of the bulge and the groove. In one embodiment, the groove is located in the middle of the other side of the upper cover plate. In an embodiment, four corners of the lower plate are provided with first screw holes, four corners of the inside of the upper plate are provided with second screw holes, the second screw holes are opposite to the first screw holes respectively and are matched with the first screw holes in size, and screws are respectively inserted into the second screw holes from the first screw holes so as to fixedly connect the upper plate and the lower plate.

As shown in fig. 19-20, a circuit board 1000 is placed on the bottom plate, a first interface 1001, a second interface 1002 and a component 1009 are disposed at one end of the circuit board, the first interface and the second interface are respectively opposite to the first through hole and the second through hole and are matched in size, and an output terminal 1003 is disposed at the other end of the circuit board. The middle part of the output end of the circuit board is matched with the groove of the upper cover plate. When the upper cover plate is connected with the lower base plate, the middle part of the output end of the circuit board is buckled in the groove of the upper cover plate. The head of the output end of the circuit board is exposed out of the groove of the upper cover plate and is used for connecting an external output power line and connecting to an external device (such as Alexa) to supply power to the external device. In one embodiment, an external output power line connected to the head of the output end of the circuit board is provided with a 3.5mm plug, which can be adapted to connect different types of voice assistants (such as Alexa and Google Home) supporting the plug. In an embodiment, the circuit board is provided with a wireless signal transceiver module for receiving and transmitting wireless signals, such as WiFi, Zigbee or bluetooth signals.

In one embodiment, the first interface and the second interface are a USB power port and a DC power port, respectively. In an embodiment, two third screw holes are formed in the lower base plate, two fourth screw holes are formed in the circuit board, the third screw holes and the fourth screw holes are opposite in position and matched in size, and screws penetrate through the third screw holes and the fourth screw holes respectively so that the circuit board and the lower base plate are fixedly connected. In one embodiment, the other side surface of the upper cover plate is provided with a reset hole close to the groove. As shown in fig. 20, the first interface has a first positive terminal 1004 and a first negative terminal 1005, and the second interface has a second positive terminal 1006, a second negative terminal 1007, and a third negative terminal 1008, wherein the first positive terminal is electrically connected to the second positive terminal and the first negative terminal is electrically connected to the second negative terminal. The connection switch is electrically connected between the inside of the second negative end and the inside of the third negative end, when the second interface is not inserted with an external interface line, the connection switch is closed, and when the second interface is inserted with an external interface line, the connection switch is disconnected. In one embodiment, the second interface is component DC-092. In one embodiment, the second positive terminal and the third negative terminal are respectively connected with the power supply positive terminal and the power supply negative terminal of the circuit board.

The working process of the scheme is as follows: when the external interface line only penetrates through the first through hole and is connected with the corresponding first interface on the circuit board, the connection switch between the interior of the second negative end and the interior of the third negative end is closed, and the circuit between the first interface and the component is conducted. When the external interface line only penetrates through the second through hole and is connected with the corresponding second interface on the circuit board, the connection switch between the inside of the second negative end and the inside of the third negative end is disconnected, and the circuit between the second interface and the component is conducted. When two external interface lines penetrate through the first through hole and the second through hole simultaneously and are connected with the corresponding first interface and the second interface on the circuit board respectively, the connecting switch between the inside of the second negative end and the inside of the third negative end is disconnected, the circuit between the first interface and the component is disconnected, and the circuit between the second interface and the component is conducted, so that the problem that the two interfaces work simultaneously at the same time to cause circuit short circuit is avoided. As shown in fig. 21, the first through hole of the multifunctional conversion device is connected to an external interface line (USB power line), and the other end (the head of the output end of the circuit board) is connected to an external device 2000(Alexa) through a power line to supply power to the external device 2000.

The multifunctional conversion device can adapt to more than two power inputs at the same time, but only one power input works at the same time, so that the conversion device can be prevented from being damaged due to the fact that more than two different voltages or currents are input at the same time. The multifunctional conversion device can supply power to equipment, also can receive wireless signals, converts the wireless signals and transmits the wireless signals to corresponding equipment.

While the preferred embodiments of the present invention have been described in detail above, it should be understood that aspects of the embodiments can be modified, if necessary, to employ aspects, features and concepts of the various patents, applications and publications to provide yet further embodiments.

These and other changes can be made to the embodiments in light of the above detailed description. In general, in the claims, the terms used should not be construed to be limited to the specific embodiments disclosed in the specification and the claims, but should be construed to include all possible embodiments along with the full scope of equivalents to which such claims are entitled.

Claims

A multifunctional conversion device is characterized by comprising a circuit board, wherein the circuit board is provided with a first interface, a second interface and an output end; the first interface is provided with a first positive terminal and a first negative terminal; the second interface is provided with a second positive terminal, a second negative terminal and a third negative terminal; the first positive end is electrically connected to the second positive end, the first negative end is electrically connected to the second negative end, a connection switch is electrically connected between the inside of the second negative end and the inside of the third negative end, and the connection switch is set to be switched on and off according to the switching-in condition of the second interface.
The multi-functional switching device of claim 1, wherein the multi-functional switching device has an upper cover plate and a lower base plate, the upper cover plate and the lower base plate being connected to each other to form a housing; the circuit board is arranged in the shell-shaped body; and a first through hole and a second through hole are formed in the front side wall of the upper cover plate, and the first interface and the second interface are opposite to the first through hole and the second through hole in position and are matched in size.
The multifunctional conversion device of claim 2, wherein a groove is formed on the rear side wall of the upper cover plate, a protrusion is arranged on the lower base plate, the protrusion is opposite to the groove, and the upper cover plate and the lower base plate form an output hole through the cooperation of the protrusion and the groove.
The multi-functional conversion attachment of claim 3, wherein the rear side wall of the upper cover plate is further provided with a reset hole.
The multi-functional switching device of claim 1, wherein the second positive terminal and the third negative terminal are connected to a positive power terminal and a negative power terminal of the circuit board, respectively.
The multi-functional conversion device of claim 3, wherein the middle portion of the output end of the circuit board is matched with the groove of the upper cover plate, when the upper cover plate is connected with the lower cover plate, the middle portion of the output end of the circuit board is snapped into the groove of the upper cover plate, and the head portion of the output end of the circuit board is exposed from the groove of the upper cover plate.
The multi-functional conversion device of claim 4, wherein the first interface and the second interface are power inputs of different specifications, and the output of the circuit board is a power output.
The multi-functional conversion device of claim 1, wherein a 3.5mm plug is connected to the output of the circuit board.
The multi-functional conversion device of claim 1, wherein the circuit board is provided with a wireless signal transceiver module for receiving and transmitting wireless signals.
The multi-functional converting means of claim 9, wherein the circuit board is provided with a converting circuit for converting one type of wireless signal into another type of wireless signal.
A multifunctional conversion device is characterized by comprising an upper cover plate, a lower bottom plate and a sliding block; wherein the upper cover plate and the lower base plate are connected with each other to form a shell; a first through hole and a second through hole are formed in the front side wall of the upper cover plate; and the upper wall of the upper cover plate is provided with a sliding groove close to the front side wall, the sliding block is slidably arranged on the sliding groove, and the sliding block is arranged to be operable to shield the first through hole or the second through hole, so that only one of the first through hole and the second through hole can be completely exposed at the same time; and a circuit board is placed in the shell-shaped body, a first interface, a second interface and an output end are arranged on the circuit board, the sizes of the first interface and the second interface are respectively matched with the first through hole and the second through hole, and the positions of the first interface and the second interface are respectively corresponding to the positions of the first through hole and the second through hole.
The multi-functional switching device of claim 11, wherein the slider comprises a sliding portion and a stopper, the sliding portion and the stopper being connected or formed integrally up and down, the sliding portion being at least partially exposed from the sliding groove for operating the slider; and the stop block is used for shielding the first through hole or the second through hole.
The multifunctional conversion device according to claim 11, wherein a limiting block is disposed on the lower base plate, the position of the limiting block corresponds to the position of the sliding groove of the upper cover plate, and the sliding block is disposed between the limiting block and the front side wall of the upper cover plate.
The multifunctional switching device according to claim 11, wherein a guide groove is formed on the lower base plate, the guide groove is opposite to the slide groove, and a first positioning ball groove and a second positioning ball groove are formed on the bottom of the guide groove.
The multifunctional switching device according to claim 12, wherein a blind hole is formed below the stopper of the slider, a spring and a ball are disposed in the blind hole, wherein one end of the spring abuts against the upper wall of the blind hole, the other end of the spring abuts against the ball, and the ball is in clearance fit with the blind hole.
The multifunctional conversion device according to claim 12, wherein the sliding groove is provided with a first buckling portion and a second buckling portion, and the stopper of the slider is provided with a third buckling portion and a fourth buckling portion respectively matched with the first buckling portion and the second buckling portion.
The multifunctional conversion device according to claim 11, wherein a circuit board is fixedly disposed on the lower base plate, a first interface and a second interface are disposed on one end of the circuit board, the first interface and the second interface are respectively matched with the first through hole and the second through hole in size, and the first interface and the second interface are respectively corresponding to the first through hole and the second through hole in position; the first interface and the second interface are power input ends with different specifications, and the output end of the circuit board is a power output end.
The multifunctional switching device according to claim 11, wherein the circuit board is provided with a wireless signal transceiver module for receiving and transmitting wireless signals; and the circuit board is provided with a conversion circuit for converting one type of wireless signals into other types of wireless signals.
A multifunctional conversion device is characterized by comprising an upper cover plate, a lower bottom plate and a sliding block; wherein the upper cover plate and the lower base plate are connected with each other to form a shell; and a sliding groove is formed on the front side wall of the upper cover plate and is provided with a first through hole and a second through hole, the sliding block is installed in the sliding groove, and the sliding block is arranged to be operable to shield the first through hole or the second through hole, so that only one of the first through hole and the second through hole can be completely exposed at the same time; and a circuit board is placed in the shell-shaped body, a first interface, a second interface and an output end are arranged on the circuit board, the sizes of the first interface and the second interface are respectively matched with the first through hole and the second through hole, and the positions of the first interface and the second interface are respectively corresponding to the positions of the first through hole and the second through hole.
The multifunctional switching device according to claim 19, wherein the sliding block comprises a sliding part and a stop block, the sliding part is connected with the stop block in a front-back manner, the upper side of the stop block is provided with a first clamping part and a second clamping part, and the lower side of the stop block is provided with a third clamping part and a fourth clamping part; and the upper edge of the sliding groove is provided with a guide groove, the guide groove is provided with a first fixing part and a second fixing part, and the first fixing part and the second fixing part are respectively matched with the first clamping part and the second clamping part.
The multi-functional switching device of claim 19, wherein the first interface and the second interface are power inputs of different sizes, and the output of the circuit board is a power output.
The multi-functional conversion device of claim 19, wherein a 3.5mm plug is connected to the output of said circuit board; and the circuit board is arranged to be able to power and/or transmit data for a voice assistant via the 3.5mm plug.
The multi-functional converting means of claim 19, wherein the circuit board is provided with a wireless signal transceiver module and a converting circuit, the wireless signal transceiver module is used for receiving and transmitting wireless signals, and the converting circuit is used for converting one type of wireless signals into other types of wireless signals.
The multi-functional switching device of claim 20, wherein the lower plate has a guiding slot, the guiding slot of the lower plate corresponds to the guiding slot of the sliding slot, the guiding slot of the lower plate has a third fixing portion and a fourth fixing portion, and the third fixing portion and the fourth fixing portion are respectively matched with the third clamping portion and the fourth clamping portion.