A power display device and an electric vehicle

Abstract

This application relates to the field of electric vehicle auxiliary equipment technology, and specifically discloses a power display device and an electric vehicle. The power display device includes a housing, a display module, and a circuit board. The housing has a receiving cavity; the display module is connected to the housing, and at least a portion of the display module is located outside the receiving cavity. The circuit board is disposed within the receiving cavity and is electrically connected to the display module. The circuit board is provided with a power detection module, a signal conversion module, and a control module. The power detection module is connected to the signal conversion module, the signal conversion module is electrically connected to the control module, and the control module is electrically connected to the display module. Through the above method, this application embodiment can improve the accuracy of power detection of the energy storage module of the electric vehicle.

Description

Technical Field

[0001] This application relates to the field of electric vehicle auxiliary equipment technology, and in particular to a power display device and an electric vehicle. Background Technology

[0002] Electric vehicles have become a major mode of transportation due to their low price, practicality, and convenience. However, with their widespread adoption, electric vehicle products have become increasingly homogenized and lack diverse functions. The advent and explosion of the mobile internet information age has given rise to intelligent electric vehicles, meeting people's demand for smart transportation tools. Currently, the dashboard on electric vehicles displays parameters such as battery level, speed, mileage, steering, and lights. These parameters are crucial for maintaining normal driving and ensuring driver safety.

[0003] In the process of developing this application, the inventors discovered that the battery level display method of traditional electric vehicles mainly relies on mechanical pointer instruments. Pointer instruments can only provide a rough estimate of the battery level. If the battery level display is inaccurate, the user is prone to running out of power while riding, which can easily affect the user's normal riding and is quite inconvenient. Utility Model Content

[0004] In view of the above problems, this application provides a power display device and an electric vehicle, which overcomes or at least partially solves the above problems.

[0005] According to one aspect of this application, a power display device is provided, including a housing with a receiving cavity; a display module connected to the housing, at least a portion of which is located outside the receiving cavity; and a circuit board disposed within the receiving cavity, electrically connected to the display module. The circuit board is provided with a power detection module, a signal conversion module, and a control module, wherein the power detection module is connected to the signal conversion module, the signal conversion module is electrically connected to the control module, and the control module is electrically connected to the display module.

[0006] In one alternative embodiment, an alarm light is provided on the display module; a power detection module is used to detect the voltage information of the energy storage module of the electric vehicle; a signal conversion module is used to convert the analog signal of the voltage information into a digital pulse signal; a control module receives the digital pulse signal; the display module is used to display the voltage data of the energy storage module; when the voltage data of the energy storage module is in a first state, the alarm light is in a first color; when the voltage data of the energy storage module is in a second state, the alarm light is in a second color; and when the voltage data of the energy storage module is in a third state, the alarm light is in a third color.

[0007] In one alternative embodiment, the housing is further provided with a through hole communicating with the receiving cavity; the power display device also includes a first connector, which passes through the through hole and is connected to the power detection module. The first connector is also used for electrical connection with the energy storage module on the electric vehicle.

[0008] In one alternative embodiment, the power display device further includes an elastic clamp, a second connector, and a locking member. The elastic clamp is connected to the housing via the second connector, and the locking member is located at the interface of the elastic clamp. The locking member can be used to adjust the inner diameter of the elastic clamp.

[0009] In one alternative embodiment, the housing includes a main shell and a cover plate, which are detachably connected. The main shell has a receiving cavity, and the cover plate seals the receiving cavity. The cover plate has a connecting protrusion located outside the receiving cavity. A connecting groove is recessed on the connecting protrusion, and a second connector is located within the connecting groove.

[0010] In one alternative approach, the connecting protrusion is arc-shaped away from the outer surface of the cover plate, and the arc-shaped outer surface of the connecting protrusion is used to mate with the outer surface of the handlebars of the electric vehicle.

[0011] In one alternative embodiment, the housing includes a main shell and a cover plate, which are detachably connected. The main shell has a receiving cavity, and the cover plate has a limiting post located within the receiving cavity. One end of the limiting post facing away from the cover plate abuts against a circuit board.

[0012] In one alternative embodiment, the main housing is provided with a first support block and a second support block, both of which are located within a receiving cavity and abut against the side of the circuit board away from the cover plate. The main housing is also provided with a limiting block, which is located within the receiving cavity. Along the depth direction of the receiving cavity, a preset space is spaced between the limiting block and the first support block. At least a portion of the circuit board is located within the preset space, and the limiting block abuts against the side of the circuit board near the cover plate.

[0013] In one alternative embodiment, the housing includes a main shell and a cover plate, which are detachably connected. The main shell has the receiving cavity, and an annular groove is provided at one end of the main shell near the cover plate. The power display device also includes a waterproof sealing ring, which is disposed in the annular groove and located between the main shell and the cover plate.

[0014] In one alternative embodiment, a limiting notch is provided on the circuit board, the limiting notch being located at the edge of the circuit board; the housing is also provided with a limiting protrusion, at least a portion of which is located within the limiting notch, and the outer surface of the limiting protrusion is arc-shaped.

[0015] According to another aspect of this application, an electric vehicle is provided, which includes the battery level display device as described above.

[0016] This application comprises a housing, a display module, and a circuit board. The housing has a receiving cavity, the display module is connected to the housing, at least a portion of the display module is located outside the receiving cavity, and the circuit board is disposed inside the receiving cavity and electrically connected to the display module. The circuit board has a power detection module, a signal conversion module, and a control module. The power detection module is connected to the signal conversion module, the signal conversion module is electrically connected to the control module, and the control module is electrically connected to the display module. Compared to related technologies that use mechanical pointer instruments to display power, this application uses a power detection module to detect the voltage information of the electric vehicle's energy storage module, and the signal conversion module converts the analog signal of the voltage information into a digital pulse signal. The control module receives the digital pulse signal and directly displays the voltage data of the energy storage module through the display module. This configuration provides more accurate power detection of the electric vehicle's energy storage module, and users can obtain the voltage data of the energy storage module more intuitively through the display module, making it more convenient. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the specific embodiments of this application or the prior art, the accompanying drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0018] Figure 1 This is a schematic diagram of the overall structure of the power display device according to an embodiment of this application;

[0019] Figure 2 This is an exploded view of the overall structure of the power display device according to an embodiment of this application;

[0020] Figure 3 This is an exploded view of the overall structure of the power display device according to an embodiment of this application from another angle;

[0021] Figure 4 This is a schematic diagram of the housing structure of the power display device according to an embodiment of this application;

[0022] Figure 5 This is a schematic diagram of the overall structure of another embodiment of the power display device of this application;

[0023] Figure 6 This is an exploded view of the overall structure of another embodiment of the power display device of this application;

[0024] Figure 7 This is an exploded view of the overall structure of another embodiment of the power display device of this application from another angle. Detailed Implementation

[0025] To facilitate understanding of this application, a more detailed description is provided below with reference to the accompanying drawings and specific embodiments. It should be noted that when an element is described as being "fixed to" another element, it can be directly on the other element, or one or more intermediate elements may exist between them. When an element is described as being "connected" to another element, it can be directly connected to the other element, or one or more intermediate elements may exist between them. When an element is described as being "abutting" another element, it can be that the two elements are in direct contact, or that one or more intermediate elements exist between the two elements, causing them to abut indirectly.

[0026] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the scope of this application.

[0027] Unless otherwise stated, the term "multiple" as used herein refers to two or more.

[0028] The following description, in conjunction with the accompanying drawings, will illustrate some embodiments of this application. The technical features described in the different embodiments of this application below can be combined with each other as long as they do not conflict with each other.

[0029] It should be noted that: In this application, the power display device 1000 is used as an example in electric vehicles. It can be understood that the power display device 1000 in this application can also be used in other electrical equipment, such as household appliances, energy storage systems, etc.

[0030] Please see Figure 1 and Figure 2 The power display device 1000 includes a housing 10, a display module 20, and a circuit board 30. The display module 20 is connected to the housing 10, with at least a portion of the display module 20 located outside the housing 10. The circuit board 30 is disposed inside the housing 10 and is electrically connected to the display module 20. The display module 20 can display the energy storage module's power percentage, battery voltage, battery current, battery temperature, battery capacity, battery health status, remaining usage time, charging status, fault information, etc. It is understood that the user can set the displayed data on the display module 20 according to actual needs, and this application does not impose specific limitations.

[0031] In some embodiments, the housing 10 is provided with a receiving cavity 10a, which can be used to receive the circuit board 30 or other electronic components. In some embodiments, at least a portion of the display module 20 is located outside the receiving cavity 10a.

[0032] In some embodiments, the circuit board 30 is disposed within the receiving cavity 10a and is electrically connected to the display module 20. The circuit board 30 is equipped with a power detection module, a signal conversion module, and a control module. The power detection module is connected to the signal conversion module, the signal conversion module is electrically connected to the control module, and the control module is electrically connected to the display module. Specifically, the power detection module detects the voltage information of the energy storage module of the electric vehicle; the signal conversion module converts the analog signal of the voltage information into a digital pulse signal; the control module receives the digital pulse signal, processes the received digital pulse signal, and sends the processing result to the display module 20, which displays the voltage data of the energy storage module. In some embodiments, the signal conversion module is an A / D conversion module (Analog-to-Digital Converter, abbreviated as ADC).

[0033] In some embodiments, an alarm light 201 is provided on the display module 20, which can serve as an alarm and reminder.

[0034] In some embodiments, when the voltage data of the energy storage module is in a first state, the warning light 201 is in a first color; when the voltage data of the energy storage module is in a second state, the warning light 201 is in a second color; and when the voltage data of the energy storage module is in a third state, the warning light 201 is in a third color. Users can determine the state of the energy storage module based on the different colors emitted by the warning light 201, and thus determine whether they can continue riding the electric vehicle.

[0035] In some embodiments, the first state refers to the energy storage module being in a normal state. In the normal state, the energy storage module has sufficient power to provide enough electricity for the electric vehicle to operate at its rated power. The second state refers to the energy storage module being in a low-power state. In the low-power state, the energy storage module has a low power level but can still be used, although the user should be reminded to charge it as soon as possible. The third state refers to the energy storage module being in an undervoltage state. In the undervoltage state, the voltage of the energy storage module is below the safe operating range, and continued use may cause irreversible damage to the battery or even safety problems. Users can determine the state of the energy storage module according to the different colors displayed by the warning light 201.

[0036] It is understood that this application does not impose specific limitations on the different color settings of the alarm light 201. Users can set it according to their actual needs. For example, when the voltage data of the energy storage module is in the first state, the alarm light 201 is in the green state; when the voltage data of the energy storage module is in the second state, the alarm light 201 is in the yellow state; and when the voltage data of the energy storage module is in the third state, the alarm light 201 is in the red state.

[0037] In some embodiments, the control module obtains voltage data in real time based on the power detection module and the signal conversion module, and then calculates the remaining driving range of the electric vehicle according to the algorithm based on the load status of the electric vehicle. The remaining driving range can be displayed on the display module 20. Users can compare the distance between themselves and their destination with the remaining driving range of the electric vehicle to determine whether the electric vehicle can reach the destination and whether it needs to be charged in time.

[0038] In some embodiments, please refer to the following: Figure 3 The housing 10 includes a main housing 101 and a cover plate 102, which are detachably connected. A receiving cavity 10a is located in the main housing 101, and the cover plate 102 seals the receiving cavity 10a. The cover plate 102 is provided with a limiting post 1021, which is located inside the receiving cavity 10a. One end of the limiting post 1021 facing away from the cover plate 102 abuts against the circuit board 30. The limiting post 1021 can limit the position of the circuit board 30 to reduce the movement of the circuit board 30 in the thickness direction of the cover plate 102. It can be understood that the detachable connection between the main housing 101 and the cover plate 102 includes, but is not limited to, screw connection, riveting, snap-fit, threaded connection, etc.

[0039] In some embodiments, a transparent plate 1013 is also provided on the housing 10. The transparent plate 1013 covers the outer surface of the display module 20 and can reduce the amount of dust or water droplets falling into the display module 20.

[0040] In some embodiments, please refer to the following: Figure 4 The main shell 101 is provided with a first support block 1014 and a second support block 1015. The first support block 1014 and the second support block 1015 are located in the receiving cavity 10a. The first support block 1014 and the second support block 1015 abut against the side of the circuit board 30 away from the cover plate 102. The main shell 101 is also provided with a limiting block 1016. The limiting block 1016 is located in the receiving cavity 10a. Along the depth direction of the receiving cavity 10a, the limiting block 1016 and the first support block 1014 are spaced apart by a preset space. At least a part of the circuit board 30 is located in the preset space. The limiting block 1016 abuts against the side of the circuit board 30 near the cover plate 102. The first support block 1014 and the second support block 1015 can provide limiting support for the circuit board 30. At the same time, the first support block 1014 and the limiting block 1016 cooperate to reduce the movement of the circuit board 30 in the depth direction of the receiving cavity 10a, so as to confine the circuit board 30 within the receiving cavity 10a.

[0041] In some embodiments, a limiting notch 301 is provided on the circuit board 30, the limiting notch 301 is located at the edge of the circuit board 30, and a limiting protrusion 1012 is also provided on the inner wall of the housing 10. At least a portion of the limiting protrusion 1012 is located within the limiting notch 301, and the outer surface of the limiting protrusion 1012 is arc-shaped. The limiting protrusion 1012 and the limiting notch 301 cooperate to limit the circuit board 30 and reduce the wobbling of the circuit board 30 within the receiving cavity 10a.

[0042] In some embodiments, please refer to Figure 5 and Figure 6 The power display device also includes a first connector 40. The housing 10 is also provided with a through hole 10b that connects to the receiving cavity 10a. The first connector 40 passes through the through hole 10b and is connected to the power detection module. The first connector 40 is also used to electrically connect with the energy storage module on the electric vehicle, thereby realizing the electrical connection between the circuit board 30 and the energy storage module.

[0043] In some embodiments, the first connector 40 is a connecting cable.

[0044] In some embodiments, one end of the first connector 40 is electrically connected to the power detection module, and the other end of the first connector 40 extends from the through hole 10b. The other end of the first connector 40 is used to connect to the energy storage module on the electric vehicle, thereby realizing the electrical connection between the power detection module and the energy storage module on the electric vehicle. The power detection module can detect the relevant voltage information of the energy storage module. In some embodiments, the other end of the first connector 40 is provided with a plug-in terminal, and the energy storage module is provided with a plug-in groove. When the plug-in terminal is inserted into the plug-in groove, the power detection module and the energy storage module are in an electrically connected state. When the plug-in terminal is separated from the plug-in groove, the power detection module and the energy storage module are in an electrically disconnected state. The provision of the plug-in terminal and the plug-in groove facilitates the installation, connection, disassembly, and separation of the power display device 1000 and the energy storage module.

[0045] In some embodiments, the power display device 1000 further includes a waterproof sealing ring 50, which is disposed between the main housing 101 and the cover plate 102. The waterproof sealing ring 50 is used to reduce the entry of external dust or water droplets into the receiving cavity 10a.

[0046] In some embodiments, an annular groove 1011 is provided at one end of the main housing 101 near the cover plate 102, and a waterproof sealing ring 50 is disposed in the annular groove 1011. The annular groove 1011 can be used for the installation of the waterproof sealing ring 50, thereby improving the installation stability of the waterproof sealing ring 50.

[0047] In some embodiments, please refer to the following: Figure 7The power display device 1000 also includes a locking component 60, which is detachably connected to the housing 10. The locking component 60 is used to fix the housing 10 to the electric vehicle, so as to fix the entire power display device 1000 to the electric vehicle.

[0048] In some embodiments, the locking assembly 60 includes an elastic clamp 601, a second connector 602, and a locking member 603. The elastic clamp 601 is connected to the housing 10 via the second connector 602. The locking member 603 is disposed at the interface of the elastic clamp 601 and can be used to adjust the inner diameter of the elastic clamp 601. The second connector 602 connects the elastic clamp 601 to the housing 10. The elastic clamp 601 is fitted onto the electric vehicle. The locking member 603 adjusts the inner diameter of the elastic clamp 601 to lock it onto the electric vehicle or to release it from the electric vehicle. In some embodiments, the second connector 602 is a screw. To allow the user to more easily see the display module 20 on the power display device 1000, the elastic clamp 601 is fitted onto the handlebars of the electric vehicle.

[0049] It is understood that the user can adjust the inner diameter of the elastic clamp 601 through the locking component 603, thereby locking the elastic clamp 601 onto the electric vehicle or loosening the elastic clamp 601 from the electric vehicle. When the elastic clamp 601 is loose from the electric vehicle, the user can rotate the elastic clamp 601 to adjust the position of the power display device 1000 so that the power display device 1000 is within the user's field of vision. The specific rotation angle of the elastic clamp 601 is not specifically limited in this application, and the user can set it according to actual needs.

[0050] In some embodiments, the cover plate 102 is provided with a connecting protrusion 1022, which is located outside the receiving cavity 10a. A connecting groove 1022a is recessed on the connecting protrusion 1022, and the second connector 602 is located in the connecting groove 1022a. The connecting groove 1022a can be used to accommodate the second connector 602 to reduce the second connector 602 from protruding from the outer surface of the cover plate 102, thereby reducing the wear caused by the second connector 602 on the electric vehicle.

[0051] In some embodiments, the connecting protrusion 1022 is arc-shaped away from the outer surface of the cover plate 102. The arc-shaped outer surface of the connecting protrusion 1022 is in contact with the outer surface of the handlebar of the electric vehicle. The arc-shaped outer surface can increase the contact area between the cover plate 102 and the handlebar of the electric vehicle, and increase the friction between the cover plate 102 and the handlebar of the electric vehicle, so as to improve the connection stability between the housing 10 and the handlebar of the electric vehicle.

[0052] In this embodiment, a housing 10, a display module 20, and a circuit board 30 are provided. The housing 10 has a receiving cavity 10a. The display module 20 is connected to the housing 10, with at least a portion of the display module 20 located outside the receiving cavity 10a. The circuit board 30 is disposed within the receiving cavity 10a and is electrically connected to the display module 20. The circuit board 30 is equipped with a power detection module, a signal conversion module, and a control module. The power detection module is connected to the signal conversion module, the signal conversion module is electrically connected to the control module, and the control module is electrically connected to the display module 20. Compared to the method of displaying power using mechanical pointer instruments in related technologies, this application uses a power detection module to detect the voltage information of the electric vehicle's energy storage module. The signal conversion module converts the analog signal of the voltage information into a digital pulse signal. The control module receives the digital pulse signal and directly displays the voltage data of the energy storage module through the display module 20. This configuration provides more accurate power detection of the electric vehicle's energy storage module, and users can obtain the voltage data of the energy storage module more intuitively through the display module 20, making it more convenient.

[0053] This application also provides an embodiment of an electric vehicle, which includes the power display device 1000 as described above. The function and structure of the power display device 1000 can be found in the above embodiments, and will not be repeated here.

[0054] The above description is merely an embodiment of this application and does not limit the patent scope of this application. Any equivalent structural or procedural transformations made using the content of this application's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this application.

Claims

1. A power display device, applied to an electric vehicle, characterized in that, include: The housing has a receiving cavity; A display module is connected to the housing, and at least a portion of the display module is located outside the receiving cavity; A circuit board is disposed within the receiving cavity. The circuit board is electrically connected to the display module. The circuit board is provided with a power detection module, a signal conversion module, and a control module. The power detection module is connected to the signal conversion module, the signal conversion module is electrically connected to the control module, and the control module is electrically connected to the display module.

2. The power display device according to claim 1, characterized in that, The display module is equipped with an alarm light; The power detection module is used to detect the voltage information of the energy storage module of the electric vehicle; The signal conversion module is used to convert analog voltage information signals into digital pulse signals; The control module receives the digital pulse signal; The display module is used to display the voltage data of the energy storage module; When the voltage data of the energy storage module is in a first state, the alarm light is in a first color; when the voltage data of the energy storage module is in a second state, the alarm light is in a second color; and when the voltage data of the energy storage module is in a third state, the alarm light is in a third color.

3. The power display device according to claim 1, characterized in that, The housing is also provided with a through hole communicating with the receiving cavity; The power display device further includes a first connector, which passes through the through hole and is connected to the power detection module. The first connector is also used to electrically connect to the energy storage module on the electric vehicle.

4. The power display device according to claim 1, characterized in that, The power display device further includes an elastic clamp, a second connector, and a locking member. The elastic clamp is connected to the housing through the second connector, and the locking member is disposed at the interface of the elastic clamp. The locking member can be used to adjust the inner diameter of the elastic clamp.

5. The power display device according to claim 4, characterized in that, The housing includes a main shell and a cover plate, which are detachably connected. The main shell has the receiving cavity, and the cover plate seals the receiving cavity. The cover plate has a connecting protrusion located outside the receiving cavity. A connecting groove is recessed on the connecting protrusion, and the second connecting member is located in the connecting groove.

6. The power display device according to claim 5, characterized in that, The connecting protrusion is arc-shaped away from the outer surface of the cover plate, and the arc-shaped outer surface of the connecting protrusion is used to mate with the outer surface of the handlebars of the electric vehicle.

7. The power display device according to claim 1, characterized in that, The housing includes a main shell and a cover plate, which are detachably connected. The main shell has the receiving cavity, and the cover plate has a limiting post located in the receiving cavity. One end of the limiting post away from the cover plate abuts against the circuit board.

8. The power display device according to claim 7, characterized in that, The main shell is provided with a first support block and a second support block, both of which are located within the receiving cavity and abut against the side of the circuit board away from the cover plate. The main shell is also provided with a limiting block, which is located in the receiving cavity. Along the depth direction of the receiving cavity, the limiting block and the first support block are spaced apart by a preset space. At least a portion of the circuit board is located in the preset space, and the limiting block abuts against the side of the circuit board near the cover plate.

9. The power display device according to claim 1, characterized in that, The circuit board is provided with a limiting notch, which is located at the edge of the circuit board; The housing is also provided with a limiting protrusion, at least a portion of which is located within the limiting notch, and the outer surface of which is arc-shaped.

10. An electric vehicle, characterized in that, Includes the power display device according to any one of claims 1-9.

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