Kinetic energy recovery device applied to new energy elevator

Abstract

A kinetic energy recovery device applied to a new energy elevator comprises a fixed base, a movable base arranged on the fixed base in a guiding fit mode, a generator installed on the movable base and a driving unit used for driving the movable base to move, and the driving unit is fixedly installed on the fixed base; a driven seat is arranged on the movable seat, a driving seat is connected to the driven seat in a sliding and guiding mode, and the action output end of the driving unit is connected with and drives the driving seat to move; the driving base and the driven base are jointly connected with an elastic buffering assembly used for enabling the driving base to be in linkage with the driven base to move. When the pressing disc is matched with the flywheel, the pressing disc is subjected to the counter-acting force of the flywheel, the distance between the driving base and the driven base is shortened, the pressing disc and the flywheel are always kept in an attached state through the elastic force of the elastic piece of the elastic buffering assembly, and therefore buffering can be conducted between the flywheel and the pressing disc through the elastic piece; and the risks of deformation, abrasion or breakage caused by overlarge stress between the flywheel and the pressure plate are effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator technical field, concretely relates to a kinetic energy recovery device for new energy elevator. BACKGROUND

[0002] In the design of modern elevators, the power supply scheme of elevator system gradually turns to the direction of environmental protection, energy saving and high autonomy. In order to adapt to the development, the applicant has previously proposed a new energy elevator with application number 2025101172126. The elevator adopts double battery design and is connected with photovoltaic power supply device. Not only can the stable operation of the elevator be ensured, but also the utilization rate of the photovoltaic power supply device is used to reduce the dependence on commercial power, reduce carbon emissions and improve the environmental protection of the system. However, the technical scheme does not recycle the kinetic energy generated during the descent of the elevator car, resulting in resource waste.

[0003] At present, the kinetic energy recovery structure for recovering the kinetic energy generated during the descent of the elevator car disclosed on the market can refer to the technical scheme with application number 202320561536.5, which comprises a base, two T-shaped guide rails are fixed on one side of the upper surface of the base, a moving seat is slidably connected at the top of the two T-shaped guide rails, a DC generator is fixed on the upper surface of the moving seat, a CVT gearbox matched with the DC generator is fixed at the top of the DC generator, a pressure plate is fixedly connected with the input shaft of the CVT gearbox, a flywheel matched with the pressure plate is arranged, a driving shaft is fixed on the side of the flywheel away from the pressure plate, a fixed plate is fixed on the upper surface of the base near the T-shaped guide rail, a hydraulic telescopic rod for driving the moving seat to move is fixed on the surface of the fixed plate, and a storage battery is fixed on the upper surface of the base. The technical scheme presses the pressure plate on the surface of the flywheel to transmit power to the DC generator for power generation, so as to realize the recovery of kinetic energy during the descent of the elevator car.

[0004] However, the kinetic energy recovery structure disclosed in the technical scheme does not have a buffering function. When the hydraulic telescopic rod controls the movement of the moving plate, the pressure plate may be damaged due to excessive pushing force. UTILITY MODEL CONTENTS

[0005] In order to overcome the shortcomings of the prior art, the utility model provides a kinetic energy recovery device for new energy elevator.

[0006] The technical scheme adopted by the utility model to solve its technical problems is:

[0007] The utility model relates to a kinetic energy recovery device applied to new energy elevator, including fixed base, the mobile seat of guide cooperation on fixed base, the pressure disc of can move with mobile seat, install on the generator of mobile seat and the drive unit for driving mobile seat moves, drive unit fixed mounting on fixed base, pressure disc rotates through speed increaser drive generator's rotating shaft, speed increaser and generator install from left to right on mobile seat, its characterized in that:

[0008] The mobile seat is provided with a driven seat, the driven seat is slidably connected with a drive seat, and the action output end of the drive unit is connected to drive the drive seat to move.

[0009] The drive seat and the driven seat are jointly connected with an elastic buffer assembly for enabling the drive seat to move in linkage with the driven seat, the elastic buffer assembly includes an elastic member and a reset link, both ends of the elastic member are connected with the drive seat and the driven seat respectively, the reset link is slidably connected to the driven seat, the elastic member is configured to be driven by the action output end of the drive unit, one end of the reset link is connected to the driven seat, and the other end is provided with a reset limiting head for driving the driven seat to reset simultaneously when the drive unit resets.

[0010] In the utility model, the elastic member adopts a compression spring sleeved on the reset link.

[0011] In the utility model, the driven seat is provided with a movable cooperation hole through which the reset link passes, and the hole diameter of the movable cooperation hole is greater than the diameter of the reset link.

[0012] In the utility model, the drive seat is provided with a drive connection screw hole, and one end of the reset link at least includes a link screw rod part threadedly matched with the drive connection screw hole.

[0013] In the utility model, the connecting screw rod part passes through the drive connection screw hole and is threadedly sleeved with a fixed nut located on the side of the drive seat away from the compression spring.

[0014] In the utility model, the connecting screw rod part is provided with a bolt hole, and a limiting pin for limiting the fixed nut from rotating away from the compression spring and disengaging the connecting screw rod part is inserted into the bolt hole.

[0015] In the utility model, the drive seat is provided with a guide hole module, and the mobile seat is provided with a linkage guide rail slidably and guideedly connected with the guide hole module.

[0016] In the utility model, the guide hole module includes a dovetail groove seat mounted on the drive seat and a dovetail-shaped guide groove opened on the dovetail groove seat, and the linkage guide rail is provided with a dovetail-shaped guide part adapted to the dovetail-shaped guide groove.

[0017] In the utility model, the elastic buffering assembly is two and is arranged at intervals, and the guide hole module is located between the two elastic buffering assemblies.

[0018] In the utility model, the driving base is equipped with a linkage hinge base, the fixed base is equipped with a mounting hinge base, the driving unit adopts an electric push rod, the fixed end of the electric push rod adopts a first rotating shaft and is connected to the mounting hinge base, and the action output end adopts a second rotating shaft and is connected to the movable hinge base.

[0019] The utility model discloses the beneficial effect: the utility model discloses when the pressure disc needs cooperation with the flywheel, the driving unit pushes the elastic piece through the driving base, and the elastic piece pushes the driven base to move to the flywheel direction, when the pressure disc cooperates with the flywheel, the pressure disc is acted on by the reaction force of the flywheel, and the distance between the driving base and the driven base is shortened, and the elastic force of the elastic piece can keep the pressure disc and the flywheel always in the state of sticking together, so that the flywheel and the pressure disc can be buffered through the elastic piece, effectively reduce the risk of deformation, wear or rupture of the flywheel and the pressure disc between the flywheel and the pressure disc, which helps to prolong the service life of the flywheel and the pressure disc and even the whole device, and reduce the cost of maintenance and replacement parts. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model will be further described below in combination with the drawings and embodiments:

[0021] Figure 1 It is the perspective view of kinetic energy recovery device;

[0022] Figure 2 It is the top view of kinetic energy recovery device;

[0023] Figure 3 It is the installation schematic drawing of elastic buffering assembly;

[0024] Figure 4 It is the installation schematic drawing of reset connecting rod;

[0025] Figure 5 It is the connection block diagram of this embodiment;

[0026] Figure 6 It is the installation schematic drawing of battery and battery holder cooperation. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment.

[0028] REFER Figures 1-6The kinetic energy recovery device applied to the new energy elevator comprises a fixed base 1, a moving base 2 guided and matched on the fixed base 1, a pressure plate 3 capable of moving along with the moving base 2, a generator 4 installed on the moving base 2 and a driving unit 5 for driving the moving base 2 to move, a guide rail sliding block assembly is arranged between the moving base 2 and the fixed base 1 for guiding, the driving unit 5 is fixedly installed on the fixed base 1, the driving unit 5 is connected and controlled by a controller 101 of a control device 100, the controller 101 is in communication connection with an elevator control cabinet, the pressure plate 3 drives the input shaft of the generator 4 to rotate through a speed increaser 6, the speed increaser 6 and the generator 4 are arranged and installed on the moving base 2 from left to right, and the input shaft of the generator 4 is in transmission connection with the output shaft of the speed increaser 6 through a shaft coupling.

[0029] Further, a driven base 7 is arranged on the moving base 2, a driving base 8 is slidably and guidingly connected on the driven base 7, and the action output end of the driving unit 5 is connected to drive the driving base 8 to move. The driving base 8 and the driven base 7 are jointly connected with an elastic buffer assembly 9 for enabling the driving base 8 to drive the driven base 7 to move, the elastic buffer assembly 9 comprises an elastic member 91 and a reset connecting rod 92, both ends of the elastic member 91 are connected with the driving base 8 and the driven base 7 respectively, the reset connecting rod 92 is slidably connected on the driven base 7, the elastic member 91 is arranged to be driven by the action output end of the driving unit 5, one end of the reset connecting rod 92 is connected on the driven base 7, and the other end is provided with a reset limiting head 921 for driving the driven base 7 to reset at the same time when the driving unit 5 resets, and the reset limiting head 921 is integrally formed with the reset connecting rod 92, and the structure is simple and stable.

[0030] When the pressure plate 3 needs to cooperate with the flywheel, the driving unit 5 pushes the elastic member 91 through the driving base 8, the elastic member 91 pushes the driven base 7 to move towards the flywheel, when the pressure plate 3 cooperates with the flywheel, the pressure plate 3 is subjected to the reaction force of the flywheel, the distance between the driving base 8 and the driven base 7 is shortened, the elastic force of the elastic member 91 enables the pressure plate 3 to always keep in contact with the flywheel, so that the flywheel and the pressure plate 3 can be buffered through the elastic member 91, the risk of deformation, wear or rupture caused by excessive stress between the flywheel and the pressure plate 3 is effectively reduced, which helps to prolong the service life of the flywheel, the pressure plate 3 and even the whole device, and reduce the cost of maintenance and replacement of parts.

[0031] In the embodiment, the elastic member 91 adopts a compression spring sleeved on the reset connecting rod 92, one side of the driven base 7 towards the compression spring is provided with a movable spring groove, one side of the driving base 8 towards the compression spring is provided with a driving spring groove, and both ends of the compression spring are respectively inserted into the movable spring groove and the driving spring groove, so as to realize the positioning installation of the compression spring.

[0032] In the embodiment, the driven seat 7 is provided with a movable matching hole through which the reset link 92 passes, and the diameter of the movable matching hole is greater than the diameter of the reset link 92, so that the reset link 92 can move in the movable matching hole.

[0033] In the embodiment, the driving seat 8 is provided with a driving connection screw hole, and one end of the reset link 92 comprises at least a link screw rod part which threadedly matches the driving connection screw hole, so that the reset link 92 is fixed on the driving seat 8. Further, the connecting screw rod part passes through the driving connection screw hole and is threadedly sleeved with a fixing nut 923 located on the side of the driving seat 8 away from the compression spring, and by pressing the driving seat 8 through the fixing nut 923, the combined strength between the reset link 92 and the driving seat 8 can be higher. In addition, the connecting screw rod part is provided with a bolt hole, and a limiting pin 924 for limiting the fixing nut 923 from rotating away from the compression spring and separating from the connecting screw rod part is inserted into the bolt hole. The limiting pin 924 is an open pin, which can prevent the fixing nut 923 from separating from the connecting screw rod part and ensure the use stability of the elastic buffer assembly 9.

[0034] As a preferred embodiment, the driving seat 8 is provided with a guide hole module, and the moving seat 2 is provided with a linkage guide rail 21 which is in sliding guide connection with the guide hole module. Further, the guide hole module comprises a dovetail groove seat 81 mounted on the driving seat 8 and a dovetail-shaped guide groove opened on the dovetail groove seat 81, and the linkage guide rail 21 is provided with a dovetail-shaped guide part for matching the dovetail-shaped guide groove. This design structure is compact and has good guiding quality.

[0035] As a preferred embodiment, the elastic buffer assembly 9 is provided in two and is spaced apart, and the guide hole module is located between the two elastic buffer assemblies 9, so as to ensure the balance of elastic buffer support and make the driving seat 8 better link the driven seat 7 to act.

[0036] As a preferred embodiment, the driving seat 8 is provided with a linkage hinge seat, the mounting and fixing base 1 is provided with a mounting hinge seat, and the driving unit 5 adopts an electric push rod, the fixed end of the electric push rod adopts a first rotating shaft which is connected to the mounting hinge seat, and the action output end adopts a second rotating shaft which is hingedly connected to the movable hinge seat, so as to complete the installation of the electric push rod.

[0037] As a preferred embodiment, the fixed base 1 is provided with two storage batteries 10, and the power supply circuit module 102 for storing the generated power of the generator 4 into the storage battery 10 for charging is electrically connected to the generator 4. The power generated by the generator 4 is converted by the power supply circuit module 102 and charged to the storage battery 10. The control device 100 includes a controller 101 capable of being communicatively connected to an elevator control cabinet, a charging switch 103 for controlling the power supply circuit module 102 to charge the two storage batteries 10 respectively, a power detection module 104 for monitoring the stored power in the storage battery 10 in real time, a power transmission switch 105 for connecting the elevator power supply system, and a power supply switch 106 for controlling the connection of the two storage batteries 10 to the power transmission switch 105. The drive unit 5, the power supply circuit module 102, the charging switch 103, the power detection module 104, and the power transmission switch 105 are electrically connected to the controller 101. The connection end of the charging switch 103 is connected to the power supply circuit module 102 and the two storage batteries 10, so as to control the power supply circuit module 102 to store the power generated by the generator 4 into the two storage batteries 10 respectively. The connection end of the power supply switch 106 is connected to the power transmission switch 105 and the two storage batteries 10, and the power supply switch 106 is used to control the connection and disconnection of the storage battery 10 to the power transmission switch 105. The structure principle of charging the two storage batteries 10 can refer to the new energy elevator disclosed by the applicant in the past, with the application number 2025101172126, and therefore will not be described in detail.

[0038] In the embodiment, the power supply circuit module 102, the controller 101, the charging switch 103, the power supply switch 106, and the power detection module 104 are integrated and installed in a protective shell, and the protective shell is installed on the fixed base 1.

[0039] As a preferred embodiment, the fixed base 1 is provided with two battery seats 11, and each battery seat 11 is provided with a storage battery 10. The battery seat 11 is provided with a battery positioning groove for positioning the lower end of the storage battery 10, and the battery seat 11 is provided with a battery fixing assembly for limiting the storage battery 10 from being separated from the battery positioning groove. The middle part of the battery fixing assembly corresponds to the top of the storage battery 10 and applies pressure to the top of the storage battery 10, and the left and right ends of the battery fixing assembly are connected to the battery seat 11.

[0040] In the embodiment, the battery fixing assembly comprises a battery pressing head 12 for pressing the position of the storage battery 10 and a battery mounting frame 13 for connecting the battery seat 11, the battery mounting frame 13 is of an "n" type structure, the battery mounting frame 13 comprises a top metal strip above the top of the storage battery 10, two side metal strips integrally connected to the left and right ends of the top metal strip respectively, the left and right ends of the battery seat 11 are provided with hook holes 111, the bottom of the side metal strip is provided with a hook for being hooked in the hook hole 111, the battery pressing head 12 is below the top metal strip, the top metal strip is provided with a pressing screw hole, the pressing screw hole is threadedly connected with a pressing screw rod 14 which can move up and down, and the top of the pressing screw rod 14 is provided with a screw rod head. During installation, the hooks of the two side metal strips are hooked in the hook holes 111 at the left and right ends of the battery seat 11 respectively, and then the pressing screw rod 14 is tightened through the screw rod head, so that the battery pressing head 12 is pressed on the top of the storage battery 10, the structure is simple, and the installation stability of the storage battery 10 is better. In addition, the top center of the battery pressing head 12 is provided with a pressing rotation groove 121 for inserting and positioning the pressing screw rod 14, so that the displacement of the battery pressing head 12 during the tightening of the pressing screw rod 14 is avoided, the matching quality between the pressing screw rod 14 and the battery pressing head 12 is ensured, and the stability of the pressing storage battery 10 is ensured.

[0041] As a preferred embodiment, the fixed base 1 is provided with a start point detection switch 15 for monitoring whether the moving seat 2 is located at the start point of the stroke and an end point detection switch 16 for detecting whether the moving seat 2 is located at the end point of the stroke, the start point detection switch 15 and the end point detection switch 16 are electrically connected with the controller 101, and the moving seat 2 is provided with a start point detection part for cooperating with the start point detection switch 15 to detect and an end point detection part for cooperating with the end point detection switch 16 to detect. The controller 101 monitors the position of the moving seat 2 by using the start point detection switch 15 and the end point detection switch 16, when the start point detection part is monitored by the start point detection switch 15, the flywheel and the pressing disc 3 are in a separated state, and when the end point detection part is monitored by the end point detection switch 16, the flywheel and the pressing disc 3 are in a adhered state, so as to control the moving seat 2 to move by the controller 101 controlling the driving unit 5.

[0042] In the above structure, the surface of the pressing disc 3 for cooperating with the flywheel can be provided with a convex tooth, so that the pressing disc 3 and the convex tooth form a pressing disc gear, and the corresponding flywheel is also provided as a cooperating gear, so as to drive the flywheel to rotate the pressing disc 3 by using the transmission between the gears. The convex tooth is not shown in the drawings.

[0043] The above only describes the preferred embodiments of the present application, and any technical solutions achieving the same purpose by basically the same means shall fall within the protection scope of the present application.

Claims

1. A kinetic energy recovery device applied to a new energy elevator, comprising a fixed base (1), a moving seat (2) guided and matched on the fixed base (1), a pressure plate (3) capable of moving with the moving seat (2), a generator (4) installed on the moving seat (2) and a driving unit (5) for driving the moving seat (2) to move, wherein the driving unit (5) is fixedly installed on the fixed base (1); the pressure plate (3) drives the rotating shaft of the generator (4) to rotate through a speed increaser (6), characterized in that: a driven seat (7) is arranged on the moving seat (2), a driving seat (8) is slidably and guidingly connected on the driven seat (7), and the action output end of the driving unit (5) is connected to drive the driving seat (8) to move; the driving seat (8) and the driven seat (7) are jointly connected with an elastic buffer assembly (9) for enabling the driving seat (8) to move in linkage with the driven seat (7), the elastic buffer assembly (9) comprises an elastic member (91) and a reset connecting rod (92), both ends of the elastic member (91) are connected with the driving seat (8) and the driven seat (7) respectively, the reset connecting rod (92) is slidably connected on the driven seat (7), the elastic member (91) is arranged to be driven by the action output end of the driving unit (5), one end of the reset connecting rod (92) is connected on the driven seat (7), and the other end is provided with a reset limiting head (921) for driving the driven seat (7) to reset at the same time when the driving unit (5) resets. The elastic member (91) is a compression spring sleeved on the reset connecting rod (92).

2. The kinetic energy recovery device applied to the new energy elevator according to claim 1, characterized in that: The driven seat (7) is provided with a movable matching hole through which the reset connecting rod (92) passes, and the hole diameter of the movable matching hole is greater than the diameter of the reset connecting rod (92).

3. The kinetic energy recovery device for use in a new energy elevator according to claim 1, characterized in that: The driving seat (8) is provided with a driving connection screw hole, and one end of the reset connecting rod (92) comprises at least a connecting screw rod portion which is screwedly matched with the driving connection screw hole.

4. The kinetic energy recovery device for use in a new energy elevator according to claim 1, characterized in that: The connecting screw rod portion passes through the driving connection screw hole and is screwedly sleeved with a fixed nut (923) located on the side of the driving seat (8) away from the compression spring.

5. The kinetic energy recovery device for use in a new energy elevator according to claim 4, characterized in that: The connecting screw rod portion is provided with a bolt hole, and a limiting pin (924) is inserted in the bolt hole for limiting the fixed nut (923) from rotating away from the compression spring to disengage the connecting screw rod portion.

6. The kinetic energy recovery device for use in a new energy elevator according to claim 5, characterized in that: The driving seat (8) is provided with a guide hole module, and the moving seat (2) is provided with a linkage guide rail (21) slidably and guidingly connected with the guide hole module.

7. The kinetic energy recovery device for use in a new energy elevator according to claim 1, characterized in that: The guide hole module comprises a dovetail groove seat (81) installed on the driving seat (8) and a dovetail-shaped guide groove opened on the dovetail groove seat (81), and the linkage guide rail (21) is provided with a dovetail-shaped guide portion adapted to the dovetail-shaped guide groove.

8. The kinetic energy recovery device for use in a new energy elevator according to claim 7, characterized in that: There are two elastic buffer assemblies (9) which are spaced apart, and the guide hole module is located between the two elastic buffer assemblies (9).

9. The kinetic energy recovery device for use in a new energy elevator according to claim 7, characterized in that: The driving seat (8) is provided with a linkage hinge seat, the fixed base (1) is provided with an installation hinge seat, the driving unit (5) is an electric push rod, the fixed end of the electric push rod is connected to the first rotating shaft of the installation hinge seat, and the action output end is connected to the second rotating shaft of the movable hinge seat.

10. The kinetic energy recovery device for use in a new energy elevator according to claim 1, characterized in that: ​

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