KR101767476B1 - Surfboard propelled by waterjet - Google Patents

Abstract

The present invention relates to a surfboard propelled by a water jet, propelled by a self-propelled force without an effect of wind and a wave. To this end, disclosed is the module type surfboard propelled by a water jet, comprising: a handle unit controlling operation or the direction of the surfboard; a battery unit inserted and fixated to an upper surface or a lower surface of the surfboard; a rope fixing unit provided to one side of the surfboard to be connected to the handle unit through a rope; a driving unit controlling the thrust of the surfboard; and a water jet unit generating the thrust of the surfboard in accordance with a control signal of the driving unit. The driving unit and the battery unit are configured as a module type.

Description

A module-type surfer board driven by a water jet {Surfboard propelled by waterjet}

The present invention relates to a module-type surfer board driven by a water jet, and more particularly to a module-type surfer board driven by a water jet propelled by self propulsion without being affected by wind and waves .

Korean Patent Registration No. 10-1549669, which is a prior art document, discloses a water jet board which is easy to carry. In the prior art document No. 10-1549669, a water jet module (first module) and a battery (second module), which generate a water jet, are arranged in a modular manner. However, since the first module and the second module of the preceding document are provided inside the hull (or board), respectively, it is difficult to separate and attach the battery unit and the cooling system for cooling the generated heat is not disclosed. There is a problem that it can not be used for the time.

Korean Patent Publication No. 10-1549669 (entitled: Portable Water Jet Board)

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a cooling system in which a surfer board is manufactured as a module type to facilitate charging and replacement of a battery, and to cool a motor and a controller unit .

However, the objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

The above-described object of the present invention is achieved by a method of manufacturing a battery pack, comprising the steps of: fixing a foot on a top surface of a board, a plurality of packing grooves formed in a lower surface of a board, A second packing portion mounted in the second packing groove of the remaining one of the packing portion and the packing groove portion and having a driving portion for controlling driving force of the board and for sending and receiving data to and from the outside by wireless communication; And a water jet unit for generating driving force of the board according to a control signal of the driving unit.

In addition, the first packing portion includes a push button portion formed on the front surface to facilitate detachment and attachment, and an O-ring portion formed in the circumferential direction.

The driving unit includes a controller unit that controls the motor and manages data received from the outside or transmitted to the outside, and a communication unit that transmits and receives data to and from the outside by Bluetooth communication. The worm jet unit is connected to the second packing unit And a motor driven in accordance with a control signal of the controller, a shaft portion rotating according to the driving of the motor, and an impeller portion rotating and interlocking with the rotation of the shaft portion to generate propulsion force of the board.

In addition, the second packing portion is formed with a water intake port into which water is introduced in a predetermined shape, and a portion of the shaft portion and the impeller are housed inward, and the diameter of one side of the inlet portion of the water is larger than the diameter of one side of the water And a jet nozzle part having a water nozzle part provided inside at a predetermined angle to collect some of the incoming water.

In cooling the motor and the controller unit, the cooling water recovered from the water nozzle unit is injected into the injection port of the motor to cool the motor, and the cooling water discharged from the discharge port of the motor is injected into the inlet of the cold water jacket for cooling the controller unit, And is discharged to the discharge port of the jacket to cool the controller unit.

Further, the board further includes a fin portion which is fixed or detachably attached to the rear side of the lower surface of the board and is formed in a shark fin shape so as to serve as a reference for rotational movement of the board, wherein the pin portion has a flat inner surface, And a second fin portion which is formed in a smaller size relative to the first fin portion and the first fin portion and is formed to be convex on both sides.

The handle further includes a lever and a button for controlling the speed by a user's operation, and a controller for transmitting and receiving data through the Bluetooth communication with the driver. A handle portion including a battery portion for supplying power to the handle portion and a display portion for displaying the remaining amount of the battery or the remaining amount of the battery of the handle portion of the first packing portion and a support portion fixed to the board, Respectively.

On the other hand, a grip portion for manipulating the direction or operation of the surfer board, a battery portion inserted and fixed on the upper or lower surface of the surfer board, a rope fixing portion provided on one side of the surfer board and connected to the grip portion by a rope, And a water jet unit for generating a driving force of the surfer board in accordance with a control signal of the driving unit, wherein the driving unit and the battery unit are composed of a module type, and a module type surfer board driven by a water jet is proposed .

The grip portion includes a handle portion having a fan shape, a vibration portion for generating vibration in accordance with a control signal of the control portion, and a lever for operating the operation of the surfer board. The lever portion has a conductive portion The operation signal of the lever is generated by the coil provided at the handle portion of the lever.

The handle portion includes a support portion protruding outwardly from one side of the handle portion, and when the support portion is inserted into the external live portion by a coil provided inside the support portion, the handle portion is charged by wireless charging.

The present invention also includes a seating portion provided in a front region of the surfer board, a first fixing portion inserted and fixed to the seating portion to fix the rope, and a second fixing portion fixedly coupled to the first fixing portion.

The first fixing part includes first and second engaging parts formed with protrusions to fix the rope. The protrusions respectively formed on the first and second engaging parts are formed to be offset from each other. The ropes are inserted and fixed in the space between them, so that the ropes are fixed.

Further, the first fixing portion is screwed inwardly to the second fixing portion.

The portable terminal further includes a connection housing part fixed to the battery lid part to transmit power supplied from the outside to the battery part provided inside the surfer board and a charge connector inserted and fixed to the connection housing part to transmit power to the battery part And the connection housing portion includes an insertion groove into which the charging connector is inserted and a power source terminal connected to the charging connector.

The battery section includes a battery housing having a pizza piece shape in which a plurality of lithium ion batteries are formed and packed into one cell, and a battery fixing section fixing the battery housing in the circumferential direction from the upper side and the lower side.

As described above, according to the present invention, the surfer board is manufactured as a module type, so that it is easy to charge and replace the battery, and the surge board can be used for a sufficient time by cooling the motor and the controller.

In addition, according to the present invention, the entire shape of the surfer board is made into a stinging shape, so that anyone can easily enjoy the surfer board.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate preferred embodiments of the invention and, together with the description, serve to further the understanding of the technical idea of the invention, It should not be construed as limited.
FIG. 1 is a view illustrating a handle according to an embodiment of the present invention,
FIG. 2 is a view illustrating a structure of a handle and a driving unit according to an embodiment of the present invention,
FIG. 3 is a view showing a left-foot type surfer board according to an embodiment of the present invention,
4 is a diagram illustrating a right-foot type surfer board according to an embodiment of the present invention,
5 is a rear view of a server board according to an embodiment of the present invention,
6 is a view illustrating a battery of a first packing unit according to an embodiment of the present invention,
7 and 8 are views showing a water jet unit according to an embodiment of the present invention,
9 is a view showing a cold water jacket according to an embodiment of the present invention,
FIG. 10 is a view showing a charging configuration of the handle and an operation configuration of the lever according to an embodiment of the present invention,
11 to 13 are views showing the construction of a rope fixing part according to an embodiment of the present invention,
FIG. 14 is a view showing a placement position of a power supply unit and a battery charging connector according to an embodiment of the present invention,
15 is a view showing a configuration of a first packing unit according to an embodiment of the present invention,
16 is a view showing the internal configuration of a first packing unit according to an embodiment of the present invention,
17 is a view showing a connection structure of a charging connector and a connection housing part according to an embodiment of the present invention,
18 is a view showing a packing configuration of a lithium ion battery according to an embodiment of the present invention.

Hereinafter, a preferred embodiment of the present invention will be described with reference to the drawings. In addition, the embodiment described below does not unduly limit the content of the present invention described in the claims, and the entire structure described in this embodiment is not necessarily essential as the solution means of the present invention.

A surfer board according to an embodiment of the present invention is manufactured as a module type and is capable of enjoying a surfer in the sea or river by means of a water jet propulsion without being influenced by the wind. In addition, the inside of the surfer board is filled with urethane foam to strengthen durability and generate strong buoyancy on the surfer board. Hereinafter, a surfer board according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.

The surfer board 10 according to an embodiment of the present invention is composed of the grip part 100 and the surfer board part 200 and generates a constant speed and horsepower by its own propulsion force. Further, the motor and the controller are cooled by using the cooling water, and the battery and the driving unit are separated from each other and packed in a module form, thereby facilitating battery replacement and A / S, . Hereinafter, the detailed configuration and functions of the surfer board 10 will be described.

The handle 100 according to an embodiment of the present invention allows the user to change the direction of the surfer board and adjust the speed of the surfer board. As shown in FIGS. 1 and 2, the handle 100 includes a handle 110 and a support 120. The support part 120 according to an embodiment of the present invention is fixedly coupled to one side of the front surface of the surfer board part 200 to be described later to support the handle part 110. The button 111 of the handle 110 according to an embodiment of the present invention can be implemented as a push button so that the speed can be adjusted step by step. That is, it is possible to adjust the speed of the first step when the user presses it, and to increase the speed step by step according to the pressing sequentially. If the push button is pressed at the maximum speed, have. At this time, the speed of the push button is operated only when the lever 112 is pushed by the user. The lever 112 is configured as shown in FIG. 1 in a shape that can be easily pushed by the user, and when the user releases the lever 112 without pulling the lever 112, the driving force of the surfer board is stopped, You can also stop the surfer board. In the operation control according to the depression of the button 111, the button operation can be performed in a direction to optimally control the surfer board with one button 111, and the touch operation can be performed by the touch screen. The operations of the button 111 and the lever 112 are detected by the control unit 119 and transmitted to the controller unit 411 through the communication unit 117 so that the driving of the entire surfer board can be controlled do. The lever 112 prevents the wire connection to the outside of the handle case using the principle of the magnetic field proximity switch for the waterproof design of the handle 100.

As shown in FIG. 10, the handle 100 may further include a vibration unit 140, a first coil 150, and a second coil 160. The vibration unit 140 may be disposed in a gripping region of the handle 110 where the user can grip the grip 100 and feel the vibration. The vibration unit 140 can transmit operation information, notification, warning information, and the like of the surfer board by giving a vibration to the user in accordance with the control signal of the controller 119. A conductive portion 112a is disposed on one side of the lever 112 of the handle portion and a first coil 150 is embedded in a grip region of the handle portion 110 facing the conductive portion 112a. The conductive part 112a may be made of an aluminum material and inserted into the lever 112. The first coil 150 is formed to be narrower than the conductive portion 112a, thereby preventing corrosion due to the insert. When the user pulls the lever 112, the conductive part 112a of the lever approaches the first coil 150, so that the control part 119 can sense the operation of the lever 112. [

The support portion 120 is formed to protrude outward from one side of the handle portion 110 and the second coil 160 is embedded in the substantially middle region of the support portion 120. The charging unit 20 for charging the knob 100 may be roughly constituted by the first coil 21, the second coil 22 and the charging groove 23. The first and second coils 21 and 22 are arranged on a line parallel to the second coil 160 of the supporting part and the supporting part 120 is inserted into the filling groove part 23 and the hand part 100 is inserted Can be charged.

The attaching / detaching unit 113 according to an embodiment of the present invention allows the handle 110 to be detached from the support 120 as shown in FIG. That is, the handle portion 110 may be detached from the support portion 120 to facilitate charging and A / S. As one example of the attaching / detaching unit 113, a plurality of grooves are formed at one end of the support 120, and a protrusion is formed at the other end of the handle 110 to be inserted into the grooves, And when it is detached, the engagement and disengagement can be released and depressed by depressing the push button releasing the engagement. However, the embodiment of the attaching / detaching unit 113 can be variously applied, and is not limited to any one example, and can be construed as belonging to the technical idea of the present invention.

The battery unit 114 according to an embodiment of the present invention generates power to be supplied to the handle unit 110 and may include a battery or a lithium ion battery or the like along with a related circuit depending on the used capacity. At this time, the battery to be used may be a disposable battery or a rechargeable battery. In the case of a rechargeable battery, the handle portion 110 may be detached and charged through the USB terminal portion 116, or the handle portion 110 may be charged while being fixed. However, it may be more convenient to remove and charge the battery. The type of the battery can be variously adopted, and the kind of the battery does not limit the present invention. In addition to the method of charging the battery through the USB terminal unit 116 in a state in which the handle unit 110 is fixed, wireless charging by an electromagnetic induction method may be possible as shown in FIG. Accordingly, the second coil 160 of the wireless charging unit 115 that enables wireless charging may be implemented in the support unit 112, and the manner of the wireless charging unit 115 may be implemented by various prior arts not departing from the technical idea of the present invention And the like. Although the battery unit 114 is described as being independently formed in the handle 100, power may be supplied from the battery unit 310 of the first packing unit 300, which will be described later.

The communication unit 117 according to an embodiment of the present invention exchanges data with the communication unit 412 of the second packing unit. Data is transmitted wirelessly to each other, and may be implemented as a Bluetooth module as an example. The Bluetooth module is capable of wireless communication with low power in the range of approximately 10m. However, the Bluetooth module is merely an example, and various short-range or long-distance wireless communication modules may be implemented as needed.

The display unit 118 according to an embodiment of the present invention displays the current speed of the surfer board, the current operation state (for example, "STOP", "GO"), the battery of the handle unit, or the remaining amount of the battery of the first packing unit in various patterns do. That is, the battery remaining amount can be displayed step by step on the scale or the remaining capacity amount can be displayed. The remaining battery level of the first packing unit is transmitted to the controller unit 411 by the calculation of the controller unit 411 or by the battery unit of the first packing unit and transmitted through the Bluetooth wireless communication, Can be displayed. The display unit 118 may be embodied in the button 111 or in one area of the handle 110. Such a display unit 118 is embodied as a high-brightness LED and can be sufficiently displayed to the user even during the daytime. By displaying the word to be represented by the combination of the LEDs or displaying the LED color separately, various warnings can be informed to the user. For example, the color of the LED is classified into red and blue, and the LED is displayed in a blue color in a normal operation. When the battery voltage falls to a minimum value, a red color is displayed to warn the user.

The control unit 119 according to an embodiment of the present invention receives and manages various data transmitted from the communication unit 412 of the second packing unit through the communication unit 117 and processes the data generated at the handle unit 110 To the communication unit 412 of the second packing unit via the communication unit 117. For example, when the lever 112 of the handle 110 is pulled, the controller 119 senses the lever 112 to generate a control signal, and transmits a control signal to the communication unit 412 of the second packing unit through the communication unit 117 So that the controller unit 411 cuts off the power or stops the driving of the motor 510. The control unit 119 may also include a control circuit for protecting the overdischarge of the battery. The control unit 119 described above can be embodied by analog and digital logic circuits.

1, a groove 130 is formed, and a user's hand is inserted into the groove 130 to grip the handle. The lever 112 allows the user's hand to be provided on one side of the upper portion of the area enclosing the handle so that the user can easily pull or release the lever.

The grip portion 100 described above is made to be waterproof to be enjoyed in the sea or in the river.

The surfer board unit 200 according to an embodiment of the present invention includes a top portion and a bottom portion. A user mounts the surfer board on the top portion, and the first and second packing portions described later are inserted. However, the first packing portion and the second packing portion may be mounted in the packing groove formed in the bottom portion, or may be mounted in each packing groove formed in the top portion. In addition, any one packing groove may be formed in the top portion, and the other one may be formed in the bottom portion so that the first packing portion and the second packing portion may be inserted in different regions. The top portion includes a non-slip pad portion 210, a foot fixing portion 220, and a rope fixing portion 230. In addition, if necessary, cooling water that has cooled the motor and the controller portion is blown out to one side region of the top portion And may have a discharge hole (not shown).

The non-slip pad portion 210 of the top portion according to an embodiment of the present invention is made of EVA material and is integrally formed so that it does not slip even when the user rides on the top portion. The slip pad unit 210 may be formed on the top portion in the shape as shown in FIGS. 3 and 4, but it is not limited thereto and may have various shapes and shapes. Further, they may be formed only on the portion where the user's feet are fixed, not formed integrally.

3 and 4, the foot fixing unit 220 according to an embodiment of the present invention may be formed differently according to the type of the user. That is, in FIG. 3, the left foot fixing region 221 is located on the front side, and the left foot fixing region 221 and the right foot fixing region 222 located on the rear side in the diagonal direction are shown. The left foot fixing area 221 and the right foot fixing area 222 may have screw grooves as an example, and the foot fastening part corresponding to the screw groove is fixed to the screw groove, thereby fixing the user's feet. At this time, the foot fastening part can be adopted various methods provided in the conventional surfer board. 4, the right foot fixing region 222 is formed on the front surface and the left foot fixing region 221 is formed on the rear surface. The above-mentioned screw grooves may be formed in the respective fixed regions of Fig. 3 is a left-handed (or left-footed) type foot fixing unit, and FIG. 4 is a right-handed (or right-footed) type foot fixing unit. 3 and 4 are shown for convenience of explanation, but their sizes and shapes are not limited thereto.

According to an embodiment of the present invention, a hole or a nozzle is formed to discharge cooling water to any one of a left side region and a right side region of a rear side region of a tower portion, and a watery surfer board It can be expressed realistically.

The rope fixing portion 230 according to an embodiment of the present invention may be formed in any one of the left, center, and right regions in the front region of the top portion, but preferably, Region. 11 to 13, the rope fixing unit 230 includes a seating part 240, a first fixing part 250, and a second fixing part 260 as shown in FIGS. As shown in FIG. 11, the seating portion 240 is formed to protrude slightly from the plane of the top portion in the central region of the end portion of the top portion. The cross section of the seating portion 240 is a circle or an ellipse, (250) is inserted and fixed. 12 and 13, the first and second supporting portions 251 and 252 and the first and second connecting portions 253 and 254 and the outer side And a threaded portion 255 formed in a circumferential direction. The first and second support portions 251 and 252 are arranged in a crossover shape such that the first and second support portions 251 and 252 face each other and the first and second coupling portions 253 and 254 are disposed in a space between the first and second support portions 251 and 252. 12, when the first and second support portions 251 and 252 are disposed in the north-south direction as shown in FIG. 12, the first and second coupling portions 253 and 254 are installed in the space between the first and second support portions 251 and 252, . The first and second engaging portions 253 and 254 are formed with protrusions 253a and 254a, respectively, as shown in FIG. The protrusion 253a of the first coupling portion and the protrusion 254a of the second coupling portion are arranged so as to be offset from each other to fix the rope 30. The rope 30 fixed to one side of the projections 253a and 254a is fixed to the handle 100. The protrusions 253a and 254a are formed on the entire surfaces of the first and second coupling parts 253 and 254 at regular intervals. The second fixing part 260 is slightly larger in cross-sectional diameter than the first fixing part 250, and a nasolating part 265 is formed inward. The second fixing part 260 penetrates the rope 30 inward and the nodal part of the second fixing part 260 is engaged with the threaded part of the first fixing part and locked. The entire cross-sectional shape of the first and second fixing portions 250 and 260 is formed by a circle or an ellipse. Various fixing schemes of the rope fixing portion 230 can be adopted within the scope of the present invention as long as they do not depart from the technical spirit of the present invention.

As shown in FIG. 5, the bottom portion according to an embodiment of the present invention is formed with first and second packing grooves for allowing the first packing portion 300 and the second packing portion 400 to be detached and attached, respectively, A plurality of fin portions 700 are fixedly coupled to the rear side (tail side) so as to serve as a reference for rotational movement of the board.

The first packing part 300 according to an embodiment of the present invention is detachably attached to the first packing groove. The first packing groove is not shown in the figure but is formed in a shape corresponding to the shape of the first packing portion 300. The first packing part 300 is packed with a rechargeable lithium ion battery as an example, and the number of batteries to be packed may be variously provided as needed. However, the first packing part 300 may be detachably attached to the top part. The reason why the first packing part 300 and the second packing part 400 are separated from each other and mounted in the respective packing grooves is that when the battery pack is integrally formed, In this case, the battery unit 310 and the driving unit 410 are separated from each other, and the battery module 310 and the driving unit 410 are separated from each other, So as to be provided in the respective packing grooves, so that only the battery part can be conveniently and easily replaced.

The first packing part 300 has a substantially circular shape in section and is formed to conform to the shape of the first packing groove into which the first packing part 300 is inserted as shown in FIG. The battery unit 310 is packed in the first packing unit 300 and the plurality of battery units 310 are packed as necessary to increase the propulsion time of the surfer board. 6, the battery unit 310 is detachably attached to the bottom portion of the battery unit 310, and an O-ring 330 is formed on the outer circumference of the battery unit 310 in the circumferential direction, So that the waterproof function can be maintained even if the body 300 is detachably attached. The detachable button unit 320 is formed on one side of the upper surface of the first packing unit 300. When the user applies an external force to the detachable button unit 320, the detachable button unit 320 is disengaged from the first packing groove, When the user inserts the first packing part 300 into the first packing groove, the detachable button part 320 binds to the first packing groove to prevent the detachment of the first packing part 300 . The detachable button unit 320 can be implemented by various implementations and is not limited by any of the binding schemes. The power supplied from the first packing part 300 is supplied to the second packing part 400 to be described later, and drives the motor and the controller part and the circuit linked to the motor and the controller part.

As another example of the battery part 310, the battery part 310 may be detachably attached to the top part as shown in FIGS. In more detail, the battery lid unit 340 formed on the top of the surfer board is detachably attached to the tower unit by screwing. In addition, by removing the charging connector lid 342 from the top portion of the surfer board, a first charging connector 351 for transferring power from the outside when charging the battery of the surfer board is connected to the connection housing portion 353 shown in Fig. 16 . The second charging connector 352 connected to the battery unit 310 and the connection housing unit 353 of the first charging connector 351 are connected to the connection housing unit 353, (310). The charging connector lid 342 is fixedly attached to the top portion in a rubber stopper manner together with the waterproof structure and can charge the battery portion seated inside the top portion by releasing the rubber stopper from the top portion during charging. Various structures of the charging connector cover 342 can be adopted within a range not departing from the technical idea of the present invention. The power supply unit 341 turns on / off the power for driving the surfer board. The on / off operation of the power supply unit 341 is detected by the battery management unit 380, and the battery management unit 380 can shut off unnecessary leakage current when the surfer board power supply is off.

As shown in FIG. 15, the battery lid unit 340 is detachably attached to the battery lid unit 340 by fixing screws to the screw fixing units 343 and 360. The battery unit 310 can be removed from the top of the surfer board to be charged or repaired by attaching and detaching the battery cover unit 340. [ When the battery unit 310 is taken out of the top part of the surfer board, the screws fixed to the second charging connector 352 and the screw fixing parts 343 and 360 connected to the connection housing part 353 can be removed and removed. The connection housing portion 353 is fixed to the fill connector fixing portion 344 and the fill connector fixing portion 344 is fixed to the lower side of the battery cover portion 340 as shown in Figs. As shown in FIG. 15, the first packing part 300 includes the battery part 310 inside and is seated in the packing groove provided in the tower part. When the battery part 310 needs to be filled and repaired, Can be separated from the portion 300 as described above.

17, the connection housing part 353 is fixed to the battery lid part 340, and more specifically, the connection housing part 353 is fixed to the charging connector fixing part 344. [ The connection housing part 353 and the first and second charging connectors 351 and 352 have a substantially circular cross section. A first charging connector 351 is connected to the upper side of the connection housing part 353, and a second charging connector 352 is connected to the lower side. The first charging connector 351 transfers power from the outside and supplies power to the battery unit 353 through the connection housing unit 353 and the second charging connector 352 connected to the battery unit 310, 310 are charged. The connection housing part 353 is formed with insertion grooves 353a and 353b in the upper side and the lower side part, respectively, so as to be connected to the first and second charging connectors 351 and 352. The first and second charging connectors 351 and 352 are formed with power terminal insertion slots 351a and 352a into which the power terminals 353c and 353d of the connection housing portion 353 are inserted. In other words, the power supply terminals 353c and 353d of the connection housing part 353 are formed of male parts, and the power supply terminal insertion grooves 351a and 352a are formed of the female parts and connected to each other. The above-described connection and connection of the power supply terminals may be changed in overall configuration so as to change the number of male and female according to need. Power terminals 353c and 353d and power terminal insertion slots 351a and 352a provided in the upper and lower portions are formed in pairs at corresponding positions to supply +/- electricity.

As shown in FIG. 18, the battery unit 310 includes a battery management unit 380 disposed at an upper portion thereof, and a battery packed at a lower portion of the battery management unit 380. The battery unit 310 includes, for example, a predetermined number of cells of a lithium ion battery, and a plurality of cells are gathered to form a battery unit 310. [ That is, as shown in FIG. 18, each lithium ion battery 391a is assembled into one battery cell 391, and each battery cell 391 is packed in a pizza-shaped plastic housing 392. Each of the battery cells is packed in a respective plastic housing 392 in the form of a pizza piece, and the plastic housing 392 in the shape of a pizza piece is assembled into a battery part 310. A fixing portion 393 for fixing the respective housings 392 is formed on the upper side of each of the housings. Although not shown in the figure, the lower fixing portion is formed at the same position as the upper fixing portion. The entire shape of the battery part 310 is formed in the shape of a cross section, and each battery housing 392 is coupled and fixed in the shape of a pizza piece so that the center area of the circle is empty.

As shown in FIG. 5, the second packing unit 400 according to an embodiment of the present invention includes a drive unit 410 and a motor of the water jet unit 500. The driving unit 410 according to an embodiment of the present invention includes a controller unit 411 for driving the motor 510 of the water jet unit to be described later and for managing and processing data and a communication unit 411 for communicating with the communication unit 117 of the handle unit via Bluetooth (412). The controller unit 411 may be embodied including analog and digital logic circuits, and may include a microcontroller if necessary. The controller unit 411 drives the rotation speed of the motor 510 according to the operation of the button 111 of the handle 100 and immediately stops the operation of the motor 510 when the user places the lever 112 Or the supply of power is interrupted to prevent the surfer board from advancing. The communication unit 412 is equipped with the same module so that the communication unit 411 can communicate with the communication unit 117 of the handle unit through wireless communication, and a Bluetooth module can be provided as an example. The controller unit 411 controls the overall operation and functions of the surfer board. However, the handle portion may be provided with an independent controller unit as required.

The second packing part 400 is formed with a water suction port 420 as shown in FIG. The water intake port 420 is formed in a shape of a water droplet, and is formed so as to have a smaller diameter toward the front side from the rear side, so that water can be sucked by the advancing surfboard. The water sucked in the water intake port 420 is supplied to the impeller 530 and the jet nozzle unit 540 to be described later so that the surfer board is propelled by the water jet.

Since the first packing part 300 and the second packing part 400 are located below the water surface, it is preferable that the first packing part 300 and the second packing part 400 have a waterproof function. O-ring can be installed to make it waterproof.

The water jet unit 500 according to an embodiment of the present invention may be roughly composed of a motor 510, a shaft 520, and an impeller 530. The motor 510 is provided in the second packing part 400 so that the motor and the motor related circuit are waterproofed. A shaft 520 is coupled to a rotating shaft of the motor 510. A motor rotates in accordance with the operation of the button 111 to transmit rotational force to the shaft 520. The impeller 530 is interlocked with the rotation of the shaft 520, Rotates and injects water to generate propulsive force. At this time, the impeller 530 is located on the rear side of the surfer board, and generates the driving force of the surfer board by rotating and pushing the water supplied from the water intake port 420 located in the front of the surfer board relatively. The motor 510 may use a BLDC motor (brushless DC motor) as an example. The motor 510 and the controller 411 described above generate heat in accordance with the use time, and thus a cooling system for cooling the motor and the controller is provided and will be described later.

7, the diameter d1 of the region (water inlet) to which water is supplied is the diameter (d1) of the region where the water is discharged (the water outlet) d2. In addition, the region where the water is discharged (the water outlet) is formed so as to taper (gradually decrease in diameter) in the direction in which the water is discharged. The jet nozzle unit 540 includes a part of the impeller 530 and the shaft 520 inwardly. The water nozzle portion 541 is disposed above the one side of the inner peripheral region of the jet nozzle portion 540 so as to have a certain angle with respect to the longitudinal direction of the water nozzle portion 541. Accordingly, the water supplied from the water intake port 420 is supplied to the impeller 530 to generate the propulsive force by discharging the water, and is supplied to the water nozzle unit 541 to function as cooling water for cooling the motor and the controller unit.

The jet nozzles 540 have different diameters at both ends and can increase the water pressure of the water supplied from the water inlet 420. Due to the small diameter of the water pressure and the water outlet, So that it can be sprayed.

The cooling system for cooling the motor and the controller according to an embodiment of the present invention is roughly constituted by a water nozzle portion 541 formed inside the jet nozzle portion 540, a cooling water supply lake, and a cold water jacket. The cooling water flowing into the water nozzle unit 541 is injected into a cooling water inlet of the motor 510 along a supply lake (not shown), and the cooling water that has cooled the motor 510 is discharged to the cooling water outlet of the motor 510 . The cooling water discharged from the cooling water outlet of the motor 510 flows into the inlet port of the cold water jacket formed to surround the controller unit 411 or located on the upper surface or the lower surface of the controller unit 411, And is discharged through the discharge port of the controller unit 410 to cool the controller unit 411.

8, a shaft supporter 550 for supporting the shaft 520 is disposed in a front region of the jet nozzle unit 540 and an impeller 530 is disposed in a rear region of the jet nozzle unit 540 . The shaft support 550 supports the rotational force of the shaft 520 and can support the shaft by various shapes and structures according to the shape of the jet nozzle unit 540. As an example, a through hole corresponding to the diameter of the shaft may be formed in the central region of the shaft support 550 so that the shaft 520 is penetrated.

One example of the cold water jacket 610 is shown in Fig. The first cold water jacket is located on the upper side of the controller unit 411 and the second cold water jacket is located on the lower side of the controller unit 411, respectively. The first cold water jacket has a first inlet portion 611 through which cooling water discharged from a cooling water outlet of the motor flows and a cooling water introduced into the first inlet portion 611 circulate through the first cold water jacket, And a first discharge portion 612 for discharging the cooling water to the inflow portion 613. In the second cold water jacket, the cooling water introduced into the second inlet portion 613 and the second inlet portion 613 through which the cooling water supplied from the first discharge portion 612 flows is circulated through the second cold water jacket, And a second discharging portion 614 for discharging. The cooling water discharged from the second discharge portion 614 is supplied to a discharge hole or discharge nozzle formed in the top portion of the above-described surfer board portion 200 and discharged to the outside. 9 shows an example of the cold water jacket 610. The cooling water supplied from the water nozzle 541 cools the controller 510 after cooling the motor 510, Various implementation means can be adopted without departing from the technical idea.

In the cooling system according to the embodiment of the present invention, the water sucked through the water inlet port 420 is supplied to the jet nozzle unit 540, and a part of the water is supplied to the water nozzle unit 540 located inside the jet nozzle unit 540 (541) to sequentially cool the motor (510) and the controller unit (411).

4 and 5, the fin 700 according to an embodiment of the present invention includes a first fin 710 and a first fin 710 fixedly coupled to the bottom of the surfer board 200, And a second fin portion 720 located on the tail side. However, the number and position of the fin portions can be variously arranged and arranged as needed. The fin 700 is formed in a shark fin shape so as to serve as a reference for rotational movement of the board. The first fin 710 is disposed on both sides of the second fin 720 in a width larger than that of the second fin 720 and the second fin 720 is disposed on both sides of the first fin 710 in a narrower width than the first fin 710. In addition, the first fin 710 is formed to have a larger overall size as compared with the second fin 720. The inner surface of either one of the first fin portions 710 is flat and the outer surface thereof is convex. Any one of the second fin portions 720 is formed so that both surfaces thereof are convex. The first and second fin portions 710 and 720 are symmetrically provided on the left and right sides to constitute a total of four fin portions. The wide width and the large pin are advantageous for the straightness, and the narrow pin is advantageous for the rotation, so that the fin can be installed considering these individual characteristics.

The outer surface of the surfer board part 200 is formed as a seamless one-piece structure. The inside of the surfer board part 200 is made of urethane foam to enhance durability and Board floating effect at the same time. Further, as shown in FIG. 5, the surfer board is formed in a loudspeaker shape so that the front, rear, left, and right sides are symmetrical to each other.

The configuration and functions of the above-described components have been described separately from each other for convenience of description, and any of the components and functions may be integrated with other components or may be further subdivided as needed.

Although the present invention has been described with reference to the embodiment thereof, the present invention is not limited thereto, and various modifications and applications are possible. In other words, those skilled in the art can easily understand that many variations are possible without departing from the gist of the present invention. In the following description, well-known functions or constructions relating to the present invention as well as specific combinations of the components of the present invention with respect to the present invention will be described in detail with reference to the accompanying drawings. something to do.

10: Surfer board
20:
21: first coil
22: second coil
23: Charging groove
30: Rope
100: Handle portion
110:
111: Button
112: Lever
112a:
113:
114:
115:
116: USB terminal
117:
118:
119:
120: Support
130: Groove
140:
150: first coil
160: second coil
200: Surfer board section
210: Non slip pad part
220:
221: Left foot fixed area
222: right foot fixing area
230: rope fixing portion
240:
250: first fixing unit
251:
252:
253:
253a:
254:
254a:
255:
260: second fixing portion
265:
300: first packing part
310: Battery section
320: detachable button portion
330: O-ring portion
340: Battery cover
341:
342: Charging connector cover
343:
344:
350: Charging connector
351: first charge connector
351a: Power terminal insertion groove
352: Second charging connector
352a: Power terminal insertion groove
353: connection housing part
353a, 353b: insertion groove
353c, 353d: power terminal
360:
371: first o-
372: second o-
380: Battery management section
391: Battery cell
391a: Lithium-ion battery
392: Battery housing
393: battery fixing section
400: second packing portion
410:
411:
412:
420: Water inlet
500: Water jet part
510: Motor
520: shaft
530: impeller
540: jet nozzle part
541: Water nozzle part
600: cooling section
610: Cold water jacket
611: first inlet
612:
613:
614:
700:
710:
720: second fin portion

Claims (8)

A grip portion for operating a direction or an operation of the surfer board,
A battery unit inserted and fixed on an upper surface or a lower surface of the surfer board,
A rope fixing part provided on one side of the surfer board and connected to the grip part by a rope,
A driving unit for controlling the driving force of the surfer board;
And a water jet unit for generating driving force of the surfer board in accordance with a control signal of the driving unit,
Wherein the driving unit and the battery unit are of a module type,
The handle portion
The handle portion,
A vibration section for generating vibration in accordance with a control signal of the control section, and
And a lever for operating the operation of the surfer board,
And a lever provided on the lever, and a coil provided on the handle portion at a position corresponding to the conductive portion provided on the inside of the lever to generate an operation signal of the lever.
The method according to claim 1,
Wherein the handle portion is of a fan shape. ≪ RTI ID = 0.0 > 11. < / RTI >
The method according to claim 1,
The handle portion
And a support portion protruding outward at one side of the handle portion,
And a coil provided on the inside of the support portion is adapted to charge the grip portion by wireless charging when the support portion is inserted into the external charging portion.
A grip portion for operating a direction or an operation of the surfer board,
A battery unit inserted and fixed on an upper surface or a lower surface of the surfer board,
A rope fixing part provided on one side of the surfer board and connected to the grip part by a rope,
A driving unit for controlling the driving force of the surfer board,
A water jet unit for generating driving force of the surfer board in accordance with a control signal of the driving unit,
A seating part provided in a front area of the surfer board,
A first fixing part inserted and fixed in the seating part to fix the rope, and
And a second fixing part fixedly coupled to the first fixing part,
Wherein the first fixing portion comprises:
And first and second engaging portions on which protrusions are formed to fix the rope,
The protrusions formed on the first and second coupling parts are formed to be offset from each other. The ropes are inserted and fixed in the space between the first and second coupling parts to fix the rope,
Wherein the driving unit and the battery unit are of a module type.
delete 5. The method of claim 4,
Wherein the first fixing part is threadedly coupled inwardly to the second fixing part. ≪ Desc / Clms Page number 13 >
The method according to claim 1 or 4,
A connection housing part fixed to the battery lid part for transmitting the power supply to the battery part provided inside the surfer board,
And a charging connector inserted and fixed in the connection housing portion to transmit power to the battery portion,
The connection housing part
An insertion groove into which the filling connector is inserted, and
And a power supply terminal connected to the charging connector.
The method according to claim 1 or 4,
The battery unit includes:
A battery housing in which a plurality of lithium ion batteries are formed and packed into one cell,
And a battery fixing part fixing the battery housing in the circumferential direction from the upper side and the lower side of the battery housing.

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