Electric control system and automobile device

Abstract

The utility model discloses an electric control system and an automobile device, the electric control system includes: a circuit board, provided with a Hall terminal; a Hall pin terminal, used to be arranged inside a driving part and connected with the Hall terminal signal; a detection element, arranged on the circuit board and used to obtain the speed information of the output shaft of the output end of the driving part; a control element, the Hall pin terminal is connected with the control element signal through the Hall terminal to transmit the speed information of the driving part, the detection element is connected with the control element signal to transmit the speed information of the output shaft, and the control element is used to adjust the voltage of the driving part to calibrate the speed of the output shaft. The above electric control system has a compact structure, can accurately detect and control the speed of the driving part, can realize the calibration of the output shaft, and better meet the operation requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical transmission, and more specifically, to an electric control system. In addition, the utility model also relates to an automobile device including the electric control system. Background Art

[0002] Hall devices are used to detect the armature current of the motor. They adopt non-contact current sampling, have little impact on the original circuit, and consume less power. They are widely used in the field of motor speed detection.

[0003] Among them, the Hall detection principle is to calculate the speed by detecting the change in magnetic field generated when the motor rotates. The specific operation in the relevant technology is to set a magnet on the tail shaft of the motor, which senses the Hall sensor on the printed circuit board, and the change in magnetic field can detect the speed of the motor shaft. However, in actual operation, the speed of the motor and the output shaft may be inconsistent. This method cannot accurately control and calibrate the speed of the motor output shaft, and the output shaft speed may be biased.

[0004] In summary, how to ensure that the detection and control of the motor speed is more accurate is a problem that needs to be urgently solved by those skilled in the art. Utility Model Content

[0005] In view of this, the purpose of the utility model is to provide an electric control system with a compact structure, which can accurately detect and control the rotation speed of the driving member, can realize the calibration of the output shaft, and better meet the working requirements. Another purpose of the utility model is to provide an automobile device including the above electric control system.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An electric control system, comprising:

[0008] A circuit board having a Hall terminal;

[0009] A Hall pin terminal, which is arranged inside the driving component and is connected to the Hall terminal signal;

[0010] A detection element, disposed on the circuit board and used to obtain the rotation speed information of the output shaft of the output end of the driving member;

[0011] The control element is connected to the Hall pin terminal through the Hall terminal and the control element signal to transmit the speed information of the driving element. The detection element is connected to the control element signal to transmit the speed information of the output shaft. The control element is used to adjust the voltage of the driving element to calibrate the speed of the output shaft.

[0012] Preferably, the detection element is an inductive Hall element, and the inductive Hall element is used to be arranged opposite to the magnetic element in the output shaft of the driving member to obtain the rotation speed information of the output shaft.

[0013] Preferably, the circuit board is arranged in the shell, and a pin pin is also provided in the shell, both ends of the pin pin are shell pin pin terminals, the shell pin pin terminal at the first end of the pin pin passes through the circuit board and is connected to the circuit board signal, and the shell pin pin terminal at the second end of the pin pin is connected to the shell to perform signal transmission and positive and negative power supply.

[0014] Preferably, the housing pin terminal at the second end of the pin pin is connected to the bottom of the housing, and the control element is signal-connected to the circuit board via the housing pin terminal at the second end of the pin pin.

[0015] Preferably, the housing pin terminal at the first end of the pin pin passes through the circuit board and is signal-connected to the circuit board, and the control element is signal-connected to the circuit board via the housing pin terminal at the first end of the pin pin.

[0016] Preferably, the shell comprises an upper shell and a lower shell, a sealing groove is provided on the top of the lower shell, and a sealing strip is provided in the sealing groove for achieving sealing between the upper shell and the lower shell.

[0017] Preferably, a snap-fitting portion for snap-fitting with the other is provided on either the upper shell or the lower shell.

[0018] The utility model also provides an automobile device, comprising:

[0019] Driving parts;

[0020] An electric control system, which is any of the electric control systems described above;

[0021] The transmission mechanism is characterized in that the output end of the driving member is connected to the transmission mechanism, the output end of the transmission mechanism is connected to the output shaft, a ferrule is provided on the output shaft, and a plurality of the magnetic members are arranged on the circumference of the ferrule.

[0022] Preferably, a plurality of placement grooves are provided on the circumference of the ferrule, and the magnetic member is arranged in the placement grooves.

[0023] Preferably, a motor positive and negative electrode module is also provided on the circuit board, and the motor positive and negative electrode module is connected to the motor pin terminal through a circuit.

[0024] The electric control system provided by the utility model includes a circuit board, a Hall pin terminal, a detection element, a Hall terminal and a control element, wherein the Hall terminal is arranged on the circuit board, the Hall pin terminal is arranged inside the driver and is connected with the Hall terminal signal, the Hall pin terminal is connected with the control element signal through the Hall terminal, and transmits the rotational speed information of the driver to the control element; the detection element is arranged on the circuit board and is used to obtain the rotational speed information of the output shaft at the output end of the driver; further, the control element can adjust the voltage of the driver to calibrate the rotational speed of the output shaft according to the rotational speed information of both the driver and the output shaft when there is a deviation between the rotational speed information of the driver and the output shaft, thereby ensuring that the detection and control of the rotational speed of the driver is more accurate, ensuring that the rotational speed output by the driver is the rotational speed of the output shaft, and better meeting the operation requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0026] Figure 1 A schematic diagram of the structure of the electric control system provided by the utility model;

[0027] Figure 2 A schematic diagram of the structure of the driving member provided by the utility model;

[0028] Figure 3 A schematic diagram of the structure of the automobile device provided by the utility model;

[0029] Figure 4 A schematic diagram of the internal structure of the automobile device provided by the utility model;

[0030] Figure 5 This is a schematic structural diagram of the ferrule provided by the utility model.

[0031] Figure 1-Figure 5 , the reference numerals include:

[0032] Circuit board 1, shell pin terminal 2, motor positive and negative electrode module 3, Hall terminal 4, Hall pin terminal 5, driving part 6, output shaft 7, ring 8, lower shell 9, sealing strip 10, upper shell 11, detection element 12, transmission mechanism 13, motor pin terminal 14, pin pin 15, placement groove 81, and clamping part 91. DETAILED DESCRIPTION

[0033] 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.

[0034] The core of the utility model is to provide an electric control system with a compact structure, which can accurately detect and control the rotation speed of the driving member, realize the calibration of the output shaft, and better meet the operation requirements. Another core of the utility model is to provide an automobile device including the above electric control system.

[0035] The electric control system provided by the utility model includes a circuit board 1, a Hall terminal 4, a Hall pin terminal 5, a detection element 12 and a control element. Please refer to Figure 1 , Figure 2 , Figure 4 .

[0036] A Hall terminal 4 is provided on the circuit board 1, and a Hall pin terminal 5 is provided inside the driving member 6 to capture the rotation speed information of the driving member 6. Specifically, when the driving member 6 rotates, the Hall pin terminal 5 transmits the rotation speed information of the driving member 6 to the control element through the Hall terminal 4 on the circuit board 1.

[0037] The driving member 6 here can be a motor, and the specific motor type is not limited.

[0038] The detection element 12 is disposed on the circuit board 1 and is used to obtain the rotation speed information of the output shaft 7 . The specific structure of the detection element 12 is not limited and can be various types of sensors as long as the rotation speed information of the output shaft 7 can be obtained.

[0039] Furthermore, when the control element receives the rotational speed information of the output shaft 7 and the rotational speed information of the driving member 6, the rotational speed information of the two can be compared. When the rotational speed of the output shaft 7 is inconsistent with the output rotational speed of the driving member 6, the voltage of the driving member 6 can be adjusted by the control element to calibrate the rotational speed of the output shaft 7.

[0040] The voltage of the driving member 6 regulated by the control element may be regulated by an auxiliary regulating member, or may be regulated by a regulating module built into the control element.

[0041] Optionally, when the control element controls to calibrate the rotational speed information of the output shaft 7 , other adjustment measures may also be taken, not limited to being achieved by adjusting the voltage of the driving member 6 .

[0042] The control element is preferably a control panel that comes with the electric control system. Under certain specific requirements, the control element can also be a control panel outside the electric control system (an additional control panel), which can be designed in combination with actual processing and production requirements. The additional control panel here is actually part of the electric control system. The difference is that the additional control panel can be flexibly designed according to user needs, while the built-in control panel has pre-designed modules, functions, etc.

[0043] It should be noted that the pin terminal is a waterproof terminal, which avoids the use of excessive wiring harnesses and better ensures the waterproofness and operational safety of the control system.

[0044] The above-mentioned electric control system includes a circuit board 1, a Hall pin terminal 2, a detection element 12, a Hall terminal 4 and a control element, wherein the Hall terminal 4 is arranged on the circuit board 1, the Hall pin terminal 2 is arranged inside the driver 6 and is connected to the Hall terminal 4 signal, the Hall pin terminal 2 is connected to the control element signal through the Hall terminal 4, and transmits the speed information of the driver 6 to the control element; the detection element 12 is arranged on the circuit board 1 and is used to obtain the speed information of the output shaft 7 at the output end of the driver 6; further, the control element can adjust the voltage of the driver 6 to calibrate the speed of the output shaft 7 according to the speed information of both the driver 6 and the output shaft 7 when there is a deviation between the speed information of the driver 6 and the speed information of the output shaft 7, so as to ensure that the detection and control of the speed of the driver is more accurate, and ensure that the speed output by the driver is the speed of the output shaft, so as to better meet the operation requirements.

[0045] On the basis of the above-mentioned embodiment, the detection element is an inductive Hall element, which is used to be arranged opposite to the magnetic element in the output shaft 7 of the driving member to obtain the rotation speed information of the output shaft.

[0046] Please refer to Figures 1 to 3 The detection element 12 is an inductive Hall element, which is arranged on the circuit board 1 and is arranged opposite to the magnetic part in the output shaft 7 of the driving member 6. The output end of the driving member 6 is connected to the output shaft 7. The output shaft 7 is provided with a magnetic part. The shape and size of the magnetic part are not limited, as long as the detection element 12 can receive the magnetic field signal generated by it when the output shaft 7 rotates.

[0047] Optionally, in order to avoid multiple processing of the output shaft 7, holes may be processed on other components that rotate coaxially with the output shaft 7 to place the magnetic parts.

[0048] When the output shaft 7 rotates, the detection element 12 can sense the magnetic member to sense the change of the magnetic field, and can transmit the rotation speed information of the output shaft 7 to the control element.

[0049] Based on any of the above embodiments, the circuit board 1 is arranged in the shell, and a pin pin 15 is also provided in the shell, and both ends of the pin pin 15 are shell pin pin terminals 2. The shell pin pin terminal 2 at the first end of the pin pin 15 passes through the circuit board 1 and is connected to the circuit board 1 signal, and the shell pin pin terminal 2 at the second end of the pin pin 15 is connected to the shell to perform signal transmission and positive and negative power supply.

[0050] In this embodiment, the circuit board 1 is disposed in a housing, and the housing is preferably a detachable housing to facilitate assembly and disassembly operations, and the specific structural form is not limited.

[0051] A pin pin 15 is provided in the shell, and both ends of the pin pin are shell pin pin terminals 2. The shell pin pin terminal 2, as an important component of the pin pin 15, is used to pass through the circuit board 1 and be connected to the circuit board 1 signal to transmit signals between the circuit board 1 and the control element, as well as to supply power to the positive and negative poles of the motor through the motor positive and negative pole modules 3 on the circuit board 1.

[0052] Preferably, the shell pin pin terminal 2 at the first end of the pin pin 15 passes through the circuit board 1 and is welded to the circuit board 1, and the shell pin pin terminal 2 at the second end of the pin pin 15 is injection molded with the shell to ensure reliable connection between the shell pin pin terminal 2 and the circuit board 1 and reliable transmission of signals.

[0053] Based on any of the above embodiments, the housing pin terminal 2 at the second end of the pin pin 15 is connected to the bottom of the housing, and the control element is signal-connected to the circuit board 1 through the housing pin terminal 2 at the second end of the pin pin 15 .

[0054] In this embodiment, the control element is a control board outside the electric control system, which is flexibly matched according to user needs. The external control element is connected to the shell pin terminal 2 at the second end of the pin pin 15. The specific connection method is plug-in, so as to realize the signal connection with the external control board and the circuit board 1, so that the control element can obtain the speed information of the output shaft 7 and the driving member 6.

[0055] The housing pin terminal 2 at the second end of the pin needle 15 is connected to the bottom of the housing. In essence, the pin needle 15 body and the housing bottom are injection-molded as one, and the housing pin terminal 2 at the second end passes through the side of the housing and is connected to the external control element.

[0056] On the basis of any of the above embodiments, the housing pin terminal 2 at the first end of the pin pin 15 passes through the circuit board 1 and is signal-connected to the circuit board 1 , and the control element is signal-connected to the circuit board 1 .

[0057] In this embodiment, the electric control system has its own control board, and the control board has its own electronic control unit, and no external control box is required. The housing pin terminal 2 at the first end of the pin pin 15 penetrates the circuit board 1 and is connected to its signal, playing the role of signal transmission, and the circuit board 1 is directly connected to the control board signal of the control system through the housing pin terminal 2 at the first end of the pin pin 15.

[0058] Based on any of the above embodiments, the shell includes an upper shell 11 and a lower shell 9 , a sealing groove is provided on the top of the lower shell 9 , and a sealing strip 10 is provided in the sealing groove for achieving sealing between the upper shell 11 and the lower shell 9 .

[0059] Please refer to Figure 3 , Figure 4 The upper shell 11 and the lower shell 9 are detachably connected, and a reliable connection between the two can be achieved by means of fasteners, a snap-on structure, etc.

[0060] A sealing groove is provided at the top of the lower shell 9, and a sealing strip is provided in the sealing groove. When the upper and lower shells are connected, the reliable waterproofness of the internal structure can be ensured, and the problem of difficult disassembly caused by laser welding in the past can be avoided, thereby facilitating the disassembly of the shell.

[0061] Based on any of the above embodiments, a plurality of electronic components are provided on the circuit board 1 to resist electromagnetic interference.

[0062] In this embodiment, a plurality of electronic components are arranged on the circuit board 1 to avoid electromagnetic radiation interference and electromagnetic induction interference generated when the driving member 6 is in operation, thereby improving the electromagnetic compatibility of the entire electric control system.

[0063] Optionally, some shielding and insulation measures may be provided to reduce electromagnetic interference, ensure good grounding connection, etc.

[0064] On the basis of any of the above embodiments, a snap-fitting portion 91 for snap-fitting with the other is provided on either the upper shell 11 or the lower shell 9 .

[0065] One of the upper shell 11 and the lower shell 9 is provided with a clamping portion 91 , and the other is clamped with the clamping portion 91 to achieve a detachable connection between the upper and lower shells, which is convenient for installation and removal of internal components.

[0066] For a specific implementation example, please refer to Figure 3 , Figure 4 The snap-fitting portion 91 is a protrusion or snap-fitting portion provided on the middle position of the outer wall of the lower shell 9, and a portion snap-fitting with the snap-fitting portion 91 is provided at a corresponding position of the upper shell 11, so as to ensure the compactness of the overall structure of the electric system and avoid taking up too much space when the middle part of the shell is locked with screws.

[0067] In addition to the above electric control system, the present invention also provides an automobile device including the electric control system disclosed in the above embodiment, including:

[0068] Driving member 6;

[0069] The motor control system is the electric control system described in any of the above embodiments;

[0070] The transmission mechanism 13, the output end of the driving member 6 is connected to the transmission mechanism 13, the output end of the transmission mechanism 13 is connected to the output shaft 7, the output shaft 7 is provided with a ferrule 8, and the ferrule 8 is provided with a plurality of magnetic members on its circumference.

[0071] Please refer to Figures 1 to 5 The automobile device 6 includes a transmission mechanism 13, a driving member 6 and an electric control system, wherein the transmission mechanism 13 is used for power transmission between the driving member 6 and the output shaft 7, and can be a gear, a worm gear, a helical gear, etc., and can be a single-stage transmission or a two-stage or multi-stage transmission, so as to facilitate the transmission of the power of the driving member 6. No excessive restrictions are made in this embodiment.

[0072] The output end of the driving member 6 is connected to the transmission mechanism 13, and the output gear of the transmission mechanism 13 is further connected to the output shaft 7 to realize coaxial rotation. A ring 8 is provided on the output shaft 7, and a plurality of magnetic parts are provided on the circumference of the ring 8. The ring 8 and the output shaft 7 are in a synchronous rotation relationship. When the output shaft 7 rotates, the ring 8 rotates synchronously. Furthermore, the position of the magnetic parts provided on the circumference of the ring 8 also changes accordingly, so that the detection element 12 (inductive Hall element) can sense the magnetic field and transmit the rotation speed information of the output shaft 7.

[0073] Taking the control board outside the electric control element as an example, the control board can be custom designed according to user needs. The control board is plugged into the pin terminal 2 of the shell. The control board generates a control signal and transmits it to the driving member 6 connected to the circuit board 1, so that the driving member 6 drives to further drive the transmission mechanism 13 to transmit. The transmission mechanism 13 drives to drive the output shaft 7 to rotate, thereby driving the output device at the output end of the output shaft 7 to rotate, realizing the entire driving process.

[0074] In addition, the automobile device also includes components such as a body and wheels, which can be referred to in conjunction with the existing technology without further elaboration.

[0075] On the basis of the above-mentioned embodiment, a plurality of placement grooves 81 are provided on the circumference of the ferrule 8 , and the magnetic members are arranged in the placement grooves 81 .

[0076] Please refer to Figures 1 to 5The specific structure of the placement slot 81 can be designed in combination with the structural form of the magnetic part without any restriction. Magnetic parts are arranged in several placement slots. Any magnetic part can sense the detection element 12 (induction Hall element) on the circuit board 1 to detect the rotation angle of the output shaft 7 to obtain the rotation speed of the output shaft 7.

[0077] Preferably, two placement grooves 81 are provided on the ring 8, and the magnetic parts in the two placement grooves 81 respectively correspond to the starting position and the ending position when the output shaft 7 rotates. When the rotation angle of the output shaft 7 is less than 180°, the positions of the two placement grooves 81 can be flexibly set to facilitate the detection element 12 to sense and accurately detect the rotation angle of the output shaft 7.

[0078] On the basis of any of the above embodiments, a motor positive and negative electrode module 3 is further provided on the circuit board 1, and the motor positive and negative electrode module 3 is connected to the motor pin terminal 14 through a line.

[0079] Please refer to Figure 1 , Figure 2 , Figure 4 In this embodiment, the driving component 6 is a motor, and the motor pin terminal 14 is arranged on one side of the Hall pin terminal 5. The motor positive and negative pole modules 3 arranged on the circuit board 1 are connected to the motor pin terminal 14, and the signal connection between the control element and the motor positive and negative pole modules 3 is combined to realize the operation requirements of the positive and negative pole power supply of the driving component 6.

[0080] The motor positive and negative pole modules 3 are connected to the motor pin terminals 14 through lines. The specific line thickness, type, etc. are not limited. The structure can be as compact as possible to reduce the floor space while meeting the operational requirements.

[0081] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0082] The above is a detailed introduction to an electric control system and automobile device provided by the utility model. This article uses specific examples to illustrate the principle and implementation method of the utility model. The description of the above embodiment is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. An electric control system, characterized in that: include: A circuit board (1) is provided with a Hall terminal (4); A Hall pin terminal (5), which is arranged inside the driving component (6) and is connected to the Hall terminal (4) for signal connection; A detection element (12) is disposed on the circuit board (1) and is used to obtain rotation speed information of an output shaft (7) at an output end of the driving member (6); The control element comprises a Hall pin terminal (5) connected to the control element signal through the Hall terminal (4) to transmit the rotation speed information of the driving element (6); the detection element (12) is connected to the control element signal to transmit the rotation speed information of the output shaft (7); and the control element is used to adjust the voltage of the driving element (6) to calibrate the rotation speed of the output shaft (7).

2. The electric control system according to claim 1, characterized in that: The detection element (12) is an inductive Hall element, and the inductive Hall element is used to be arranged opposite to the magnetic element in the output shaft (7) of the driving element (6) to obtain the rotation speed information of the output shaft (7).

3. The electric control system according to claim 2, characterized in that: The circuit board (1) is arranged in a shell, and a pin needle (15) is also arranged in the shell, and both ends of the pin needle (15) are shell pin needle terminals (2). The shell pin needle terminal (2) at the first end of the pin needle (15) passes through the circuit board (1) and is connected to the circuit board (1) by signal, and the shell pin needle terminal (2) at the second end of the pin needle (15) is connected to the shell to perform signal transmission and positive and negative power supply.

4. The electric control system according to claim 3, characterized in that: The housing pin terminal (2) at the second end of the pin pin (15) is connected to the bottom of the housing, and the control element is signal-connected to the circuit board (1) via the housing pin terminal (2) at the second end of the pin pin (15).

5. The electric control system according to claim 3, characterized in that: The housing pin terminal (2) at the first end of the pin pin (15) passes through the circuit board (1) and is signal-connected thereto, and the control element is signal-connected to the circuit board (1) via the housing pin terminal (2) at the first end of the pin pin (15).

6. The electric control system according to claim 4 or 5, characterized in that: The shell comprises an upper shell (11) and a lower shell (9); a sealing groove is provided at the top of the lower shell (9); a sealing strip (10) is provided in the sealing groove for achieving sealing between the upper shell (11) and the lower shell (9).

7. The electric control system according to claim 6, characterized in that: Either the upper shell (11) or the lower shell (9) is provided with a clamping portion (91) for clamping with the other.

8. An automobile device, characterized in that: include: A driving member (6); An electric control system, which is the electric control system according to any one of claims 1 to 7; A transmission mechanism (13), wherein the output end of the driving member (6) is connected to the transmission mechanism (13), the output end of the transmission mechanism (13) is connected to the output shaft (7), a ferrule (8) is provided on the output shaft (7), and a plurality of magnetic members are provided on the circumference of the ferrule (8).

9. The automobile device according to claim 8, characterized in that: A plurality of placement grooves (81) are provided on the circumference of the ferrule (8), and the magnetic member is arranged in the placement grooves (81).

10. The automobile device according to claim 9, characterized in that: The circuit board (1) is also provided with a motor positive and negative electrode module (3), and the motor positive and negative electrode module (3) is connected to the motor pin terminal (14) via a circuit.

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