Electric bicycle controller integrated with voltameter

Abstract

The utility model relates to the technical field of electric bicycles, and discloses an electric bicycle controller integrated with a voltameter, which comprises a protective casing and a controller box body, a battery module is arranged in the protective casing, a mounting groove is arranged at the top end of the protective casing, cavities are arranged on two sides of the controller box body, pressing blocks are arranged in the cavities, and the battery module is arranged in the mounting groove. One end of the pressing block is connected with the inner wall of the cavity through an elastic piece, the other end of the pressing block penetrates through the controller box body, a clamping block is embedded in the controller box body, the inner end of the clamping block is connected with the pressing block, a first clamping groove matched with the clamping block is formed in the inner wall of the mounting groove, a control module is arranged in the controller box body, a first contact is arranged on the battery module, and a second contact is arranged on the second contact. The control module is provided with a second contact, and the second contact is electrically connected with the first contact. According to the utility model, the voltameter circuit is integrated into the controller as an optional accessory, and is additionally arranged on the produced or to-be-produced battery for compatibility, so that the accurate calculation of the electric quantity of the battery is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of electric bicycles, in particular to an electric bicycle controller with an integrated electricity meter. Background Art

[0002] Traditional electric bicycles usually use indicator lights to monitor the battery power, and the different colors of the indicator lights correspond to a certain range. However, during actual use, the battery voltage will increase after discharge and relaxation, resulting in a falsely high power level and jumps when going uphill or downhill. This method of power calculation is inaccurate. Therefore, the power display interface of electric bicycles in the current existing technology can only provide an estimated range for users to obtain power, and it is difficult to make an accurate judgment. However, for the use scenarios of electric bicycles, such as mountainous areas, woodlands and other areas, it is extremely necessary to accurately judge the power level of electric bicycles for the next riding plan. Therefore, it is extremely necessary to improve the adaptability of the battery compartment of existing electric bicycles so that it can adapt to the structure of existing electric bicycles on the one hand, and accurately judge the battery power on the other hand. Utility Model Content

[0003] The utility model aims to provide an electric bicycle controller with an integrated power meter to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric bicycle controller with an integrated fuel meter, comprising a protective shell, a battery module being arranged in the protective shell, and a controller box body, a mounting groove matching with the controller box body being opened at the top of the protective shell, cavities being arranged on both sides of the controller box body, a pressure block being arranged in the cavity, one end of the pressure block being connected to the inner wall of the cavity through an elastic member, and the other end passing through the controller box body, a card block being embedded in the controller box body below the pressure block, the inner end of the card block being connected to the pressure block, a card slot 1 matching with the card block being arranged on the inner wall of the mounting groove, a control module being arranged in the controller box body, a contact 1 being arranged on the battery module, a contact 2 being arranged on the control module, and the contact 2 being electrically connected to the contact 1.

[0005] The following improvement is made in the solution of the present application: a second card slot cooperating with the pressing block is provided at the top of the protective shell located on both sides of the installation slot.

[0006] The following improvements are made in the present application: the control module includes a controller primary circuit and a power supply circuit arranged in parallel, a sampling resistor is connected in series on one side of the controller primary circuit, and a fuel gauge circuit is connected in series on one side of the power supply circuit, and the fuel gauge circuit and the sampling resistor are bidirectionally connected via a sampling line. The battery module supplies power to the controller primary circuit, and the voltage of the battery module is reduced to 3.3V by the power supply circuit to supply power to the fuel gauge circuit, and the fuel gauge circuit collects the voltage difference of the sampling resistor to calculate the battery power.

[0007] The following improvements are made in the present application scheme: the power meter circuit includes a main chip U1, a capacitor C2 and a capacitor C55; pin 4 of the main chip U1 is connected to a parallel circuit of a resistor R45 and a resistor R79; the other end of the resistor R45 is connected to a 36V voltage; the other end of the resistor R79 is grounded; the capacitor C2 and the capacitor C55 are connected in parallel to the resistor R79; pins 5 and 6 of the main chip U1 are connected to a capacitor C63; the other end of the capacitor C63 is grounded; pin 7 of the main chip U1 is connected to a capacitor C38; the other end of the capacitor C38 is grounded; pin 8 of the main chip U1 is grounded; and pin 9 of the main chip U1 is connected to a capacitor C31 and a parallel circuit of a capacitor C64 and a resistor R101. A parallel circuit is formed, the other end of the resistor R101 is connected to a parallel circuit of a resistor R104 and a resistor XR4, the other end of the resistor R104 is grounded, the other end of the resistor R103 is grounded in common with the resistor XR4, the pin 10 of the main chip U1 is connected to the other end of the capacitor C31 and the parallel circuit of the capacitor C42 and the resistor R103, the other ends of the capacitor C64 and the capacitor C42 are grounded in common, the pin 12 of the main chip U1 is connected to the resistor R100, the other end of the resistor R100 is connected to INT, the pin 13 of the main chip U1 is connected to the resistor R110, the pin 14 of the main chip U1 is connected to the resistor R111, and the other ends of the resistor R110 and the resistor R111 are grounded in common.

[0008] The following improvement is made in the present application solution: the model of the main chip U1 is set to the BQ34Z100-G1 power meter chip.

[0009] The following improvements are made in the present application: the capacitor C2 and the capacitor C55 are 10nF, the capacitor C63, the capacitor C38, the capacitor C31, the capacitor C64 and the capacitor C42 are 100nF, the resistor R45 is 255k, the resistor R79 is 5.1k, the resistor R100 is 1k, and the resistor R1110 and the resistor R111 are 10k.

[0010] The following improvements are made in the present application: the main chip model of the original circuit of the controller is set to APM32F103RBT6.

[0011] Compared with the prior art, the utility model provides an electric bicycle controller with an integrated power meter, which has the following beneficial effects:

[0012] The utility model integrates a fuel gauge circuit into the controller as an optional accessory, which can be added to batteries that have been produced or are to be produced for compatibility, and the battery power can be accurately calculated. The connection and fixation between the controller box body and the battery protection shell is achieved through the matching arrangement between the pressing block, the card block and the card slot. The pressing block is pressed and the elastic member is compressed to move into the cavity, and the pressing block drives the card block to be received into the controller box body. After the controller box body is placed in the installation groove on the protection shell, the pressing of the pressing block is released, and the card block is reset under the action of the elastic member, so that the card block is inserted into the card slot for engagement. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0014] Figure 1 It is a cross-sectional view of the utility model;

[0015] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0016] Figure 3 This is a circuit diagram of an electric meter of the utility model.

[0017] In the figure: 1. Protective shell; 11. Mounting slot; 12. Card slot 1; 13. Card slot 2; 2. Battery module; 21. Contact 1; 3. Controller box; 31. Cavity; 32. Pressure block; 33. Elastic member; 34. Card block; 4. Controller original circuit; 41. Sampling resistor; 5. Voltage circuit; 51. Electricity meter circuit; 6. Sampling line. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] Example

[0021] like Figure 1-3 As shown, an electric bicycle controller with an integrated fuel meter is mainly composed of a protective shell 1 and a controller box body 3, wherein a battery module 2 is arranged in the protective shell 1, a control module is arranged in the controller box body 3, a contact 1 21 is arranged on the battery module 2, and a contact 2 is arranged on the control module, the contact 2 is electrically connected to the contact 1 21, and the current on the battery module 2 is output to the control module; a mounting groove 11 matching with the controller box body 3 is opened at the top of the protective shell 1, cavities 31 are arranged on both sides of the controller box body 3, a pressure block 32 is arranged in the cavity 31, one end of the pressure block 32 is connected to the cavity 31 through an elastic member 33, and the other end passes through the controller box body 3, a card block 34 is embedded in the controller box body 3 located below the pressure block 32, and the inner end of the card block 34 is connected to the pressure block 32, a card slot 12 matching with the card block 34 is arranged on the inner wall of the mounting groove 11, and a card slot 2 13 matching with the pressure block 32 is opened on the top of the protective shell 1 located on both sides of the mounting groove 11.

[0022] The control module includes a controller original circuit 4 and a power supply circuit 5 arranged in parallel, a sampling resistor 41 is connected in series on one side of the controller original circuit 4, and an electric meter circuit 51 is connected in series on one side of the power supply circuit 5, and the electric meter circuit 51 is bidirectionally connected to the sampling resistor 41 through a sampling line 6; the electric meter circuit 51 includes a main chip U1, a capacitor C2 and a capacitor C55, the model of the main chip U1 is set to BQ34Z100-G1 electric meter chip, and the model of the main chip of the controller original circuit 4 is set to APM32F103RBT6; pin 4 of the main chip U1 is connected to a parallel circuit of resistors R45 and R79, the other end of resistor R45 is connected to a 36V voltage, the other end of resistor R79 is grounded, capacitors C2 and capacitors C55 are connected in parallel to resistor R79, pins 5 and 6 of the main chip U1 are connected to capacitor C63, the other end of capacitor C63 is grounded, pin 7 of the main chip U1 is connected to capacitor C38, the other end of capacitor C38 is grounded, pin 8 of the main chip U1 is grounded, and pin 9 of the main chip U1 is connected to capacitor C31 and capacitor C55. The parallel circuit of capacitor C64 and resistor R101, the other end of resistor R101 is connected to the parallel circuit of resistor R104 and resistor XR4, the other end of resistor R104 is grounded, the other end of resistor R103 is grounded in common with resistor XR4, pin 10 of main chip U1 is connected to the other end of capacitor C31 and the parallel circuit of capacitor C42 and resistor R103, the other ends of capacitor C64 and capacitor C42 are grounded in common, pin 12 of main chip U1 is connected to resistor R100, the other end of resistor R100 is connected INT, pin 13 of the main chip U1 is connected to resistor R110, pin 14 of the main chip U1 is connected to resistor R111, and the other ends of resistors R110 and R111 are grounded in the same line; wherein, capacitors C2 and C55 are 10nF, capacitors C63, C38, C31, C64 and C42 are 100nF, resistor R45 is 255k, resistor R79 is 5.1k, resistor R100 is 1k, and resistors R1110 and R111 are 10k.

Claims

1. An electric bicycle controller with an integrated power meter, comprising a protective housing (1), wherein a battery module (2) is arranged in the protective housing (1), characterized in that: It also includes a controller box body (3), the top of the protective shell (1) is provided with a mounting groove (11) matched with the controller box body (3), cavities (31) are provided on both sides of the controller box body (3), a pressure block (32) is provided in the cavity (31), one end of the pressure block (32) is connected to the inner wall of the cavity (31) through an elastic member (33), and the other end passes through the controller box body (3), a card block (34) is embedded on the controller box body (3) below the pressure block (32), the inner end of the card block (34) is connected to the pressure block (32), the inner wall of the mounting groove (11) is provided with a card slot 1 (12) matched with the card block (34), a control module is provided in the controller box body (3), a contact 1 (21) is provided on the battery module (2), and a contact 2 is provided on the control module, and the contact 2 is electrically connected to the contact 1 (21); The control module comprises a controller primary circuit (4) and a power supply circuit (5) arranged in parallel, a sampling resistor (41) being connected in series on one side of the controller primary circuit (4), an electric quantity meter circuit (51) being connected in series on one side of the power supply circuit (5), and the electric quantity meter circuit (51) and the sampling resistor (41) being bidirectionally connected via a sampling line (6).

2. The electric bicycle controller with integrated fuel meter according to claim 1, characterized in that: A second clamping groove (13) matching with the pressing block (32) is provided at the top of the protective shell (1) located on both sides of the installation groove (11).

3. The electric bicycle controller with integrated fuel meter according to claim 1, characterized in that: The electric quantity meter circuit (51) comprises a main chip U1, a capacitor C2 and a capacitor C55, wherein the pin 4 of the main chip U1 is connected to a parallel circuit of a resistor R45 and a resistor R79, the other end of the resistor R45 is connected to a 36V voltage, the other end of the resistor R79 is grounded, the capacitor C2 and the capacitor C55 are connected in parallel to the resistor R79, the pins 5 and 6 of the main chip U1 are connected to a capacitor C63, the other end of the capacitor C63 is grounded, the pin 7 of the main chip U1 is connected to a capacitor C38, the other end of the capacitor C38 is grounded, the pin 8 of the main chip U1 is grounded, the pin 9 of the main chip U1 is connected to a capacitor C31 and a parallel circuit of a capacitor C64 and a resistor R101, and the The other end of the resistor R101 is connected to the parallel circuit of the resistor R104 and the resistor XR4, the other end of the resistor R104 is grounded, the other end of the resistor R103 is grounded in common with the resistor XR4, the pin 10 of the main chip U1 is connected to the other end of the capacitor C31 and the parallel circuit of the capacitor C42 and the resistor R103, the other ends of the capacitor C64 and the capacitor C42 are grounded in common, the pin 12 of the main chip U1 is connected to the resistor R100, the other end of the resistor R100 is connected to INT, the pin 13 of the main chip U1 is connected to the resistor R110, the pin 14 of the main chip U1 is connected to the resistor R111, and the other ends of the resistor R110 and the resistor R111 are grounded in common.

4. The electric bicycle controller with integrated fuel meter according to claim 3, characterized in that: The model of the main chip U1 is set to BQ34Z100-G1 fuel gauge chip.

5. The electric bicycle controller with integrated fuel meter according to claim 4, characterized in that: The capacitors C2 and C55 are 10 nF, the capacitors C63, C38, C31, C64 and C42 are 100 nF, the resistor R45 is 255 k, the resistor R79 is 5.1 k, the resistor R100 is 1 k, and the resistors R1110 and R111 are 10 k.

6. The electric bicycle controller with integrated fuel meter according to claim 1, characterized in that: The main chip model of the controller original circuit (4) is set to APM32F103RBT6.

Images