CN210761143U - Electric bicycle power supply circuit and electric bicycle power supply - Google Patents
Electric bicycle power supply circuit and electric bicycle power supply Download PDFInfo
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- CN210761143U CN210761143U CN201921005579.5U CN201921005579U CN210761143U CN 210761143 U CN210761143 U CN 210761143U CN 201921005579 U CN201921005579 U CN 201921005579U CN 210761143 U CN210761143 U CN 210761143U
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Abstract
The utility model belongs to the technical field of the power, a electric bicycle power supply circuit and electric bicycle power are provided, electric bicycle power supply circuit includes: the battery module is used for providing a battery power supply; a first detection module for detecting a connection state of a first external load to generate a first detection signal; the key module is used for generating a key signal according to user input; the main control module is connected with the first detection module and the key module and used for generating a first enabling signal according to the first detection signal or the key signal and generating a dimming signal according to the key signal; the first power supply conversion module is connected with the battery module and the main control module and used for generating a first power supply according to the battery power supply and the first enabling signal; and the lighting module is connected with the first power supply conversion module and used for generating a driving signal according to the first power supply and the dimming signal so as to drive the LED lamp to emit light. Therefore, the functions of the power supply of the electric bicycle are expanded, and the utilization rate of the power supply of the electric bicycle is improved.
Description
Technical Field
The application belongs to the technical field of power supplies, and particularly relates to an electric bicycle power circuit and an electric bicycle power supply.
Background
An electric bicycle is a mechatronic personal transportation tool which takes a storage battery as auxiliary energy and is provided with a motor, a controller, the storage battery, a rotating handle and other operating components and a display instrument system on the basis of a common bicycle. The novel energy-saving LED lamp is favored by more and more consumers due to the advantages of light weight, environmental protection, energy conservation and the like.
The existing power system of the electric bicycle generally only supplies power to the power required and the power required by the instrument panel, can not charge the electronic equipment carried on the body in the riding process, can not be independently used as the power of other power supply equipment, and has single function.
Disclosure of Invention
An object of this application is to provide an electric bicycle power supply circuit and electric bicycle power, aims at solving current electric bicycle electrical power generating system and can't charge for the electronic equipment that the in-process of riding carried on one's body, also can't regard as other power supply unit's power to use alone, the comparatively single technical problem of function.
The present application is achieved as such, an electric bicycle power circuit, comprising:
the battery module is used for providing a battery power supply;
a first detection module for detecting a connection state of a first external load to generate a first detection signal;
the key module is used for generating a key signal according to user input;
the main control module is connected with the first detection module and the key module and used for generating a first enabling signal according to the first detection signal or the key signal and generating a dimming signal according to the key signal;
the first power supply conversion module is connected with the battery module and the main control module and used for generating a first power supply according to the battery power supply and the first enabling signal;
and the lighting module is connected with the first power supply conversion module and the main control module and used for generating a driving signal according to the first power supply and the dimming signal so as to drive the LED lamp to emit light.
In one embodiment, the battery module includes:
a plurality of unit batteries for providing unit power;
and the balancing unit is arranged between two adjacent single batteries and is used for carrying out energy transfer according to the single power supply.
In one embodiment, the master control module comprises a master control chip; the first data input and output end of the main control chip is the first detection signal input end of the main control module, the second data input and output end of the main control chip is the key signal input end of the main control module, the third data input and output end of the main control chip is the first enabling signal output end of the main control module, and the fourth data input and output end of the main control chip is the dimming signal output end of the main control module.
In one embodiment, the electric bicycle power supply circuit further comprises:
the second detection module is connected with the main control module and used for detecting the connection state of a second external load to generate a second detection signal;
the second power supply conversion module is connected with the battery module and used for generating a second power supply according to a second enabling signal and the battery power supply;
the main control module is further configured to generate the second enable signal according to the second detection signal.
In one embodiment, the first power conversion module and the second power conversion module each include a power conversion unit and a USB interface, and the power conversion unit includes: the power supply conversion circuit comprises a power supply conversion chip, a first capacitor, a second capacitor, a first inductor, a first resistor and a second resistor; the power supply end of the power conversion chip is a battery power supply input end of the power conversion unit, the enable end of the power conversion chip is connected with an enable signal input end of the power conversion unit, the switch end of the power conversion chip is connected with the first end of the first inductor, the second end of the first inductor is connected with the USB interface, the first end of the first inductor is connected with the overcurrent protection end of the power conversion chip through the first capacitor, the first resistor and the second resistor are connected in series between the second end of the first inductor and the ground, the common connecting end of the first resistor and the second resistor is connected with the feedback end of the power conversion chip, and the second capacitor is connected between the second end of the first inductor and the ground.
In one embodiment, further comprising: and the voltage reduction module is connected with the battery module and the main control module and used for generating a working power supply according to the power supply.
In one embodiment, further comprising:
the electric quantity indicating module is connected with the main control module and used for indicating the electric quantity information of the battery module according to the electric quantity indicating signal;
the main control module is further used for generating the electric quantity indication signal according to the battery power supply.
Another object of the present application is to provide an electric bicycle power supply, which includes the above electric bicycle power supply circuit.
According to the power supply circuit of the electric bicycle, the main control module judges whether a load is connected or not according to the first detection signal output by the first detection module, generates the first enabling signal to control the first power supply conversion module to output the first power supply to the load, judges whether lighting needs to be turned on or not according to the key signal, and generates the dimming signal to control the lighting module to light or extinguish the LED lamp. The power supply of the electric bicycle can be used as a power supply required by the running of the electric bicycle, and can also be used as a power supply of an external load and lighting equipment, so that the functions of the power supply of the electric bicycle are expanded, and the utilization rate of the power supply of the electric bicycle is improved.
Drawings
Fig. 1 is a schematic circuit structure diagram of a power circuit of an electric bicycle provided in an embodiment of the present application;
FIG. 2 is an exemplary electrical schematic diagram of a battery module in a bicycle power circuit provided in an embodiment of the present application;
fig. 3 is an exemplary circuit structure of a main control module of a bicycle power circuit provided in an embodiment of the present invention;
fig. 4 is an exemplary circuit structure of a first power conversion module of a bicycle power circuit according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.
In order to explain the technical solutions of the present application, the following detailed descriptions are made with reference to specific drawings and examples.
Fig. 1 is a schematic circuit structure diagram of a power circuit of an electric bicycle according to an embodiment of the present application. Referring to fig. 1, an embodiment of the present application provides a power circuit for an electric bicycle, including: the device comprises a battery module, a detection module 20, a key module 30, a main control module 40, a first power conversion module 50 and a lighting module 60. The battery module 10 is used for providing a battery power supply; the first detection module 20 is configured to detect a connection state of a first external load to generate a first detection signal; the key module 30 is used for generating a key signal according to user input; the main control module 40 is connected to the first detection module 20 and the key module 30, and is configured to generate a first enable signal according to the first detection signal or the key signal, and generate a dimming signal according to the key signal; the first power conversion module 50 is connected to the battery module 10 and the main control module 40, and is configured to generate a first power supply according to the battery power and the first enable signal; the lighting module 60 is connected to the first power conversion module 50 and the main control module 40, and is configured to generate a driving signal according to the first power supply and the dimming signal to drive the LED lamp to emit light.
In the power supply circuit for the electric bicycle, the main control module 40 determines whether a load is connected according to the first detection signal output by the first detection module 20, generates the first enable signal to control the first power conversion module 50 to output the first power supply to the load, the main control module 40 determines whether lighting needs to be turned on according to the key signal, and generates the dimming signal to control the lighting module 60 to turn on or turn off the LED lamp. The power supply of the electric bicycle can be used as a power supply required by the running of the electric bicycle, and can also be used as a power supply of an external load and lighting equipment, so that the functions of the power supply of the electric bicycle are expanded, and the utilization rate of the power supply of the electric bicycle is improved.
As shown in fig. 2, in one embodiment, the battery module 10 includes: a plurality of unit batteries for providing unit power; and the balancing unit is arranged between two adjacent single batteries and is used for carrying out energy transfer according to the single power supply. In this embodiment, the battery module 10 is a battery module 10 composed of a plurality of lithium batteries, and provides a required power supply. In practical application, due to the influence of factors such as the performance of the battery, the stored electric energy in each single battery is different, which affects the stability of the power supply of the output of the battery module 10, so in this embodiment, an equalizing unit is disposed between two adjacent single batteries to transfer the energy in the single battery with a large electric quantity to the single battery with a small electric quantity, so as to finally keep the dynamic balance of the electric quantity in all the single batteries, and keep the output of the battery module 10 stable.
In one embodiment, the electric bicycle power supply circuit further includes: a second detection module connected to the main control module 40, for detecting a connection state of a second external load to generate a second detection signal; the second power supply conversion module is connected with the battery module 10 and used for generating a second power supply according to the second enabling signal and the battery power supply; the main control module 40 is further configured to generate a second enable signal according to the second detection signal.
In one embodiment, the bicycle power circuit further comprises: and the voltage reduction module is connected with the battery module 10 and the main control module 40 and is used for generating a working power supply according to the power supply.
In one embodiment, the bicycle power circuit further comprises: the electric quantity indicating module is connected with the main control module 40 and is used for indicating the electric quantity information of the battery module 10 according to the electric quantity indicating signal; the main control module 40 is further configured to generate a power indication signal according to the power supply. In one embodiment, the power indication module includes: the LED lamp module is connected with the main control module 40 and used for emitting light according to the electric quantity indicating signal; the LED lamp module includes a plurality of indication LED lamps, and the amount of light emitted from the indication LED lamps indicates the electric quantity information of the battery module 10. In this embodiment, the LED lamp module includes five indication LED lamps that set up side by side, and this five indication LED lamps are connected with a control port of main control module 40 respectively, adopt five grades to show, and the luminous quantity of indication LED lamp indicates the electric quantity information of battery module 10, and an indication LED lamp is luminous, and two indication LED lamps are luminous, and three indication LED lamps are luminous, and four indication LED lamps are luminous, and five indication LED lamps are luminous can show 20%, 40%, 60%, 80%, 100% electric quantity in proper order.
Fig. 3 shows an exemplary circuit structure of the main control module 40 of the bicycle power circuit provided in the embodiment of the present invention, and for convenience of illustration, only the parts related to the embodiment of the present invention are shown, and detailed descriptions are as follows:
the main control module 40 comprises a main control chip U1; the first data input/output end P21/AIN8 of the main control chip U1 is a first detection signal input end of the main control module, the second data input/output end P10/AIN0/INT0 of the main control chip U1 is a key signal input end of the main control module, the third data input/output end P07/T2 of the main control chip U1 is a first enable signal output end of the main control module, and the fourth data input/output end P15/AIN5/PWM21/MISO of the main control chip U1 is a dimming signal output end of the main control module.
Fig. 4 shows an exemplary circuit structure of a first power conversion module 50 of a bicycle power circuit provided in an embodiment of the present invention, and for convenience of illustration, only the parts related to the embodiment of the present invention are shown, and detailed descriptions are as follows:
first power conversion module and second power conversion module all include power conversion unit and USB interface, and power conversion unit includes: the power conversion circuit comprises a power conversion chip U2, a first capacitor C1, a second capacitor C2, a first inductor L1, a first resistor R1 and a second resistor R2; a power supply terminal VIN of the power conversion chip U2 is a battery power supply input terminal of the power conversion unit, an enable terminal EN of the power conversion chip U2 is an enable signal input terminal of the power conversion unit, a switch terminal SW of the power conversion chip U2 is connected to a first terminal of a first inductor L1, a second terminal of the first inductor L1 is connected to the USB interface, a first terminal of a first inductor L1 is connected to an overcurrent protection terminal BOOT of the power conversion chip U2 through a first capacitor C1, a first resistor R1 and a second resistor R2 are connected in series between the second terminal of the first inductor L1 and ground, a common connection terminal of the first resistor R1 and the second resistor R2 is connected to a feedback terminal FB of the power conversion chip U2, and a second capacitor C2 is connected between the second terminal of the first inductor L1 and ground.
The following further description of fig. 3 and 4 is made in conjunction with the working principle:
the first data input and output end P21/AIN8 of the main control chip U1 receives the first detection signal outputted by the detection module, the second data input and output end P10/AIN0/INT0 of the main control chip U1 receives the key signal outputted by the key module 30, and generates the first enable signal according to the first detection signal or the key signal, and outputs the first enable signal to the enable end EN of the first power conversion chip U2 of the U2 through the third data input and output end P07/T2 of the main control chip U1, the first power conversion chip U2 outputs the switch signal through the switch end of the first power conversion chip U2 according to the battery power and the first enable signal, and charges and discharges the first inductor L1, so as to generate the first power supply at the second end of the first inductor L1, wherein the feedback end FB of the power conversion chip U2 receives the feedback signal of the common connection end of the first resistor R1 and the second resistor R2, and stabilizing the output of the first power supply by changing the duty ratio of the switching signal and outputting the first power supply to a first external load through the USB interface. The main control chip U1 is further configured to generate a dimming signal according to the key signal, and output the dimming signal to the lighting module through the fourth data input/output terminal P15/AIN5/PWM21/MISO of the main control chip U1, and the lighting module generates a driving signal according to the first power supply and the dimming signal to drive the LED to emit light.
Another object of the present application is to provide an electric bicycle power supply, including: the power supply circuit of the electric bicycle is disclosed. It should be noted that the power supply of the electric bicycle is a detachable power supply device, and is configured with a dedicated dual-purpose universal port, and the dual-purpose universal port is connected with the battery module, and is used for charging the battery module of the power supply of the electric bicycle and outputting electric energy of the battery module, so that the charging current of 15A and the output current of 20A can be supported to the maximum. The electric bicycle power disposes the dedicated connection line that matches with the general mouth of double-purpose, commercial power adapter can be connected to the general mouth of double-purpose, convert mains power into 54.6V direct current power supply and charge the battery module, also connect the general mouth of double-purpose through this dedicated connection line and directly charge for electric bicycle power supply or for the battery module, this general mouth of double-purpose is connected to electric bicycle's driving system through dedicated connection line, loads such as panel board, provide the required power of electric bicycle, guarantee electric bicycle normal operating.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (8)
1. An electric bicycle power supply circuit, comprising:
the battery module is used for providing a battery power supply;
a first detection module for detecting a connection state of a first external load to generate a first detection signal;
the key module is used for generating a key signal according to user input;
the main control module is connected with the first detection module and the key module and used for generating a first enabling signal according to the first detection signal or the key signal and generating a dimming signal according to the key signal;
the first power supply conversion module is connected with the battery module and the main control module and used for generating a first power supply according to the battery power supply and the first enabling signal;
and the lighting module is connected with the first power supply conversion module and the main control module and used for generating a driving signal according to the first power supply and the dimming signal so as to drive the LED lamp to emit light.
2. The power supply circuit for an electric bicycle according to claim 1, wherein the battery module includes:
a plurality of unit batteries for providing unit power;
and the balancing unit is arranged between two adjacent single batteries and is used for carrying out energy transfer according to the single power supply.
3. The power supply circuit for an electric bicycle of claim 1, wherein the main control module comprises a main control chip; the first data input and output end of the main control chip is the first detection signal input end of the main control module, the second data input and output end of the main control chip is the key signal input end of the main control module, the third data input and output end of the main control chip is the first enabling signal output end of the main control module, and the fourth data input and output end of the main control chip is the dimming signal output end of the main control module.
4. The electric bicycle power supply circuit of claim 1, further comprising:
the second detection module is connected with the main control module and used for detecting the connection state of a second external load to generate a second detection signal;
the second power supply conversion module is connected with the battery module and used for generating a second power supply according to a second enabling signal and the battery power supply;
the main control module is further configured to generate the second enable signal according to the second detection signal.
5. The power supply circuit for electric bicycles of claim 4, wherein the first power conversion module and the second power conversion module each comprise a power conversion unit and a USB interface, the power conversion unit comprising: the power supply conversion circuit comprises a power supply conversion chip, a first capacitor, a second capacitor, a first inductor, a first resistor and a second resistor; the power supply end of the power conversion chip is a battery power supply input end of the power conversion unit, the enable end of the power conversion chip is an enable signal input end of the power conversion unit, the switch end of the power conversion chip is connected with the first end of the first inductor, the second end of the first inductor is connected with the USB interface, the first end of the first inductor is connected with the overcurrent protection end of the power conversion chip through the first capacitor, the first resistor and the second resistor are connected in series between the second end of the first inductor and the ground, the common connecting end of the first resistor and the second resistor is connected with the feedback end of the power conversion chip, and the second capacitor is connected between the second end of the first inductor and the ground.
6. The electric bicycle power supply circuit of claim 1, further comprising: and the voltage reduction module is connected with the battery module and the main control module and used for generating a working power supply according to the power supply.
7. The electric bicycle power supply circuit of claim 1, further comprising:
the electric quantity indicating module is connected with the main control module and used for indicating the electric quantity information of the battery module according to the electric quantity indicating signal;
the main control module is further used for generating the electric quantity indication signal according to the battery power supply.
8. An electric bicycle power supply, comprising: an electric bicycle power supply circuit as defined in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921005579.5U CN210761143U (en) | 2019-06-28 | 2019-06-28 | Electric bicycle power supply circuit and electric bicycle power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921005579.5U CN210761143U (en) | 2019-06-28 | 2019-06-28 | Electric bicycle power supply circuit and electric bicycle power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210761143U true CN210761143U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921005579.5U Active CN210761143U (en) | 2019-06-28 | 2019-06-28 | Electric bicycle power supply circuit and electric bicycle power supply |
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| Country | Link |
|---|---|
| CN (1) | CN210761143U (en) |
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2019
- 2019-06-28 CN CN201921005579.5U patent/CN210761143U/en active Active
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Effective date of registration: 20210512 Address after: 518000 509, No.1, langrong Road, Xinshi community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN JILING TECHNOLOGY Co.,Ltd. Address before: 518000 partition 1300, 13th floor, building 3, Jincheng Industrial Park, Tongsheng community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee before: Shenzhen LingDian Technology Co.,Ltd. |
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Effective date of registration: 20221228 Address after: 523000 Room 702, Building 6, No. 71, Fumin South Road, Dalang Town, Dongguan City, Guangdong Province Patentee after: Dongguan Jiling Technology Co.,Ltd. Address before: 518000 509, No.1, langrong Road, Xinshi community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN JILING TECHNOLOGY CO.,LTD. |
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