CN210246605U - Booster circuit motor system - Google Patents
Booster circuit motor system Download PDFInfo
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- CN210246605U CN210246605U CN201921569070.3U CN201921569070U CN210246605U CN 210246605 U CN210246605 U CN 210246605U CN 201921569070 U CN201921569070 U CN 201921569070U CN 210246605 U CN210246605 U CN 210246605U
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Abstract
The utility model discloses a booster circuit motor system, which comprises a direct current motor, a BOOST booster circuit and a detection control circuit; the BOOST booster circuit and the detection control circuit are arranged, the detection control circuit outputs a PWM (pulse-width modulation) regulation and control signal according to a voltage signal, a current signal and a rotating speed signal of the direct-current motor to change the on-off time of a switching tube of the BOOST booster circuit, so that the voltage regulation and control of the output end of a power supply are realized, the BOOST booster circuit can be suitable for working occasions with constant speed, constant torsion and constant power, and the applicability is strong; and the control circuit board is integrally arranged in the motor base, so that the whole motor system is more compact and the motor is small in size.
Description
Technical Field
The invention relates to the field of motors, in particular to a booster circuit motor system.
Background
The DC motor has excellent speed regulating performance and starting performance, and may be used widely in different industries. However, the system has significant disadvantages, and particularly, on some special occasions, such as the states of constant speed, constant torque force, constant power operation and the like, the direct current permanent magnet brush motor and the series excited motor applied by direct current cannot be realized, although the brushless permanent magnet motor and the switched reluctance motor system can realize the working conditions, the system cannot normally work or even work under the conditions of unstable power grid and extremely low voltage (such as single battery condition), and the defects greatly limit the use of the direct current motor.
Disclosure of Invention
The invention aims to solve at least one of the technical problems in the prior art, and provides a booster circuit motor system which can be suitable for working occasions with constant speed, constant torque and constant power and has strong applicability.
The invention provides a BOOST circuit motor system, which comprises a direct current motor, a power input end, a BOOST circuit, a detection control circuit and a power output end for supplying power to the direct current motor, wherein the BOOST circuit comprises an energy storage inductor, a diode and a switch tube, the power input end is connected with one end of the energy storage inductor, the other end of the energy storage inductor is connected with one switch pin of the switch tube and the anode of the diode, the other switch pin of the switch tube is grounded, the cathode of the diode is connected with the power output end, the power output end is connected with the direct current motor, the power output end is also connected with the voltage detection end of the detection control circuit, a current detection unit and a rotating speed detection unit are arranged in the direct current motor, the current detection unit is connected with the current detection end of the detection control circuit, the rotating speed detection unit is connected with a rotating speed detection end of the detection control circuit, and a PWM (pulse-width modulation) regulation signal output end of the detection control circuit is connected with a control end of the switch tube so as to control the on-off of the switch tube.
The booster circuit motor system at least has the following beneficial effects: through being provided with BOOST BOOST circuit and detection control circuit, detection control circuit is according to direct current motor's voltage signal, current signal and rotational speed signal, and output PWM regulates and control the signal and change the break-make time of BOOST BOOST circuit's switch tube, realizes the voltage regulation and control of power output end, can be applicable to the work occasion of constant speed, constant torsion, constant power, and the suitability is strong.
The BOOST circuit motor system according to the first aspect of the present invention further includes a motor base, the dc motor is disposed on the upper portion of the motor base, the lower portion of the motor base is provided with a control circuit board, and the power input terminal, the BOOST circuit, the detection control circuit, and the power output terminal are disposed on the control circuit board. The control circuit board is integrally arranged in the motor base, so that the whole motor system is more compact, and the motor is small in size.
According to the BOOST circuit motor system of the first aspect of the invention, the diode, the switching tube and the detection control circuit are replaced by a BOOST IC. The special BOOST IC is adopted to replace a diode, a switch tube and a detection control circuit, so that the circuit integration level is higher, and the working reliability of the circuit is higher.
According to the boost circuit motor system of the first aspect of the present invention, the detection control circuit is an MCU chip, a DSP chip or a digital circuit integrated chip.
According to the boost circuit motor system of the first aspect of the present invention, the dc motor is a dc brush motor or a dc brushless motor.
According to the boost circuit motor system in the first aspect of the present invention, the dc motor further includes a front end cover, and a stator assembly and a rotor assembly located between the front end cover and the dc motor base, wherein a lower bearing seat is disposed in the middle of the dc motor base, an upper bearing seat is disposed in the middle of the front end cover, and a rotating shaft of the rotor assembly is mounted on the upper bearing seat and the lower bearing seat through an upper bearing and a lower bearing, respectively.
According to the booster circuit motor system in the first aspect of the present invention, the front end cover and/or the dc motor base is provided with a mounting portion, and the mounting portion is provided with a mounting hole.
In a second aspect of the present invention, a BOOST circuit motor system is provided, which includes a dc motor, a power input terminal, a BOOST circuit, a detection control circuit, and a power output terminal for supplying power to the dc motor, where the BOOST circuit includes an energy storage inductor, a diode, and a switching tube, the power input terminal is connected to one end of the energy storage inductor, the other end of the energy storage inductor is connected to one switching pin of the switching tube and an anode of the diode, another switching pin of the switching tube is grounded, a cathode of the diode is connected to the power output terminal, the power output terminal is connected to the dc motor, the power output terminal is further connected to a voltage detection terminal of the detection control circuit, the dc motor is provided with a current detection unit, the current detection unit is connected to a current detection terminal of the detection control circuit, and a PWM control signal output terminal of the detection control circuit is connected to a control terminal of the switching tube to control the switching on/off of the dc motor Closing the tube.
The BOOST circuit motor system comprises a direct current motor, a power input end, a BOOST circuit, a detection control circuit and a power output end for supplying power to the direct current motor, wherein the BOOST circuit comprises an energy storage inductor, a diode and a switch tube, the power input end is connected with one end of the energy storage inductor, the other end of the energy storage inductor is connected with one switch pin of the switch tube and the anode of the diode, the other switch pin of the switch tube is grounded, the cathode of the diode is connected with the power output end, the power output end is connected with the direct current motor, the power output end is also connected with a voltage detection end of the detection control circuit, the direct current motor is provided with a rotating speed detection unit, the rotating speed detection unit is connected with a rotating speed detection end of the detection control circuit, and a PWM (pulse width modulation) signal output end of the detection control circuit is connected with the control end of the switch tube to control the opening of the direct current motor Closing the tube.
Drawings
The invention is further described below with reference to the accompanying drawings and examples;
fig. 1 is an overall schematic diagram of a boost circuit motor system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a motor system of a boost circuit according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of a boost circuit motor system according to an embodiment of the present invention;
fig. 4 is an exploded cross-sectional view of a boost circuit motor system according to an embodiment of the present invention;
fig. 5 is a circuit diagram of a control circuit board of a booster circuit motor system according to an embodiment of the present invention;
fig. 6 is a circuit diagram of a control circuit board of a booster circuit motor system according to another embodiment of the present invention;
fig. 7 is a circuit diagram of a control circuit board of a booster circuit motor system according to another embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 5, an embodiment of the present invention provides a BOOST circuit motor system, including a dc motor 20, a power input terminal Vin, a BOOST circuit 31, a detection control circuit 32, and a power output terminal Vout for supplying power to the dc motor 20, where the BOOST circuit 31 includes an energy storage inductor L1, a diode D1, and a switch tube T1, the power input terminal Vin is connected to one end of the energy storage inductor L1, the other end of the energy storage inductor L1 is connected to one switch pin of the switch tube T1 and the anode of the diode D1, the other switch pin of the switch tube T1 is grounded, the cathode of the diode D1 is connected to a power output terminal Vout, the power output terminal Vout is connected to the dc motor 20, the power output terminal Vout is further connected to a voltage detection terminal of the detection control circuit 32, a current detection unit 21 and a rotation speed detection unit 22 are disposed in the dc motor 20, the current detection unit 21 is connected to a current detection terminal of the detection, the rotation speed detecting unit 22 is connected to the rotation speed detecting end of the detection control circuit 32, and the PWM control signal output end of the detection control circuit 32 is connected to the control end of the switch tube T1 to control the on/off of the switch tube T1.
In the embodiment, by providing the BOOST circuit 31 and the detection control circuit 32, the detection control circuit 32 outputs a PWM control signal to change the on-off time of the switching tube T1 of the BOOST circuit 31 according to the voltage signal, the current signal and the rotation speed signal of the dc motor 20, so as to realize the voltage control of the power output terminal Vout, which can be applied to the working occasions with constant speed, constant torque and constant power, and has strong applicability; and the control circuit board 30 is integrally arranged in the motor base 10, so that the whole motor system is more compact and the motor is small in size.
Referring to fig. 1 to 4, another embodiment of the present invention further provides a BOOST circuit motor system, which further includes a motor base 10, wherein the dc motor 20 is disposed on an upper portion of the motor base 10, a control circuit board 30 is disposed on a lower portion of the motor base 10, and a power input terminal Vin, a BOOST circuit 31, a detection control circuit 32, and a power output terminal Vout are disposed on the control circuit board 30.
In this embodiment, the control circuit board 30 is integrally disposed in the motor base 10, so that the whole motor system is more compact and the motor is small in size.
Another embodiment of the present invention also provides a BOOST circuit motor system, wherein the diode D1, the switch tube T1 and the detection control circuit 32 are replaced with a BOOST IC.
In this embodiment, a dedicated BOOST IC is used instead of the diode D1, the switching tube T1 and the detection control circuit 32, so that the circuit has a higher integration level and a higher reliability of the circuit operation.
Another embodiment of the present invention further provides a boost circuit motor system, wherein the detection control circuit 32 is an MCU chip, a DSP chip or a digital circuit integrated chip.
Preferably, the dc motor 20 is a dc brush motor or a dc brushless motor.
Referring to fig. 1 to 4, another embodiment of the present invention further provides a boost circuit motor system, wherein the dc motor 20 further includes a front end cover 23, a stator assembly 24 and a rotor assembly 25 located between the front end cover 23 and the base 10 of the dc motor 20, a lower bearing seat 26 is disposed in the middle of the base 10 of the dc motor 20, an upper bearing seat 27 is disposed in the middle of the front end cover 23, and a rotating shaft of the rotor assembly 25 is mounted on the upper bearing seat 27 and the lower bearing seat 26 through an upper bearing 28 and a lower bearing 29, respectively.
Referring to fig. 1 to 4, another embodiment of the present invention further provides a booster motor system, wherein a mounting portion 50 is disposed on the front end cover 23 and/or the base 10 of the dc motor 20, and a mounting hole 51 is disposed on the mounting portion 50.
In the present embodiment, the provision of the mounting portion 50 and the mounting hole 51 facilitates mounting and fixing of the motor.
Referring to fig. 6, another embodiment of the present invention further provides a BOOST circuit motor system, including a dc motor 20, a power input terminal Vin, a BOOST circuit 31, a detection control circuit 32, and a power output terminal Vout for supplying power to the dc motor 20, where the BOOST circuit 31 includes an energy storage inductor L1, a diode D1, and a switch tube T1, the power input terminal Vin is connected to one end of the energy storage inductor L1, the other end of the energy storage inductor L1 is connected to one switch pin of the switch tube T1 and the anode of the diode D1, the other switch pin of the switch tube T1 is grounded, the cathode of the diode D1 is connected to the power output terminal Vout, the power output terminal Vout is connected to the dc motor 20, the power output terminal Vout is further connected to a voltage detection terminal of the detection control circuit 32, the dc motor 20 is provided with a current detection unit 21, the current detection unit 21 is connected to the current detection terminal of the detection control circuit 32, and the PWM regulation signal output terminal of the detection control circuit 32 is connected to the control terminal of the switch tube T73 And (7) breaking.
This embodiment is suitable for a scenario in which rotation speed detection is not necessary, by reducing the number of the rotation speed detecting unit 22 compared to the embodiment shown in fig. 5.
Referring to fig. 7, another embodiment of the present invention further provides a BOOST circuit motor system, including a dc motor 20, a power input terminal Vin, a BOOST circuit 31, a detection control circuit 32, and a power output terminal Vout for supplying power to the dc motor 20, where the BOOST circuit 31 includes an energy storage inductor L1, a diode D1, and a switch tube T1, the power input terminal Vin is connected to one end of the energy storage inductor L1, the other end of the energy storage inductor L1 is connected to one switch pin of the switch tube T1 and the anode of the diode D1, the other switch pin of the switch tube T1 is grounded, the cathode of the diode D1 is connected to the power output terminal Vout, the power output terminal Vout is connected to the dc motor 20, the power output terminal Vout is further connected to a voltage detection terminal of the detection control circuit 32, the dc motor 20 is provided with a rotation speed detection unit 22, the rotation speed detection unit 22 is connected to a rotation speed detection terminal of the detection control circuit 32, a PWM regulation signal output terminal of the detection control circuit 32 is connected to a control terminal of the switch tube T And (7) breaking.
This embodiment is suitable for a scenario in which current detection is not necessary, in which the current detection unit 21 is reduced as compared with the embodiment shown in fig. 5.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (7)
1. A BOOST circuit motor system is characterized by comprising a direct current motor, a power input end, a BOOST BOOST circuit, a detection control circuit and a power output end for supplying power to the direct current motor, wherein the BOOST BOOST circuit comprises an energy storage inductor, a diode and a switch tube, the power input end is connected with one end of the energy storage inductor, the other end of the energy storage inductor is connected with a switch pin of the switch tube and the anode of the diode, the other switch pin of the switch tube is grounded, the cathode of the diode is connected with the power output end, the power output end is connected with the direct current motor, the power output end is also connected with a voltage detection end of the detection control circuit, the direct current motor is provided with a current detection unit and a rotating speed detection unit, the current detection unit is connected with the current detection end of the detection control circuit, the rotating speed detection unit is connected with a rotating speed detection end of the detection control circuit, and a PWM (pulse-width modulation) regulation signal output end of the detection control circuit is connected with a control end of the switch tube so as to control the on-off of the switch tube.
2. A BOOST circuit motor system according to claim 1, further comprising a motor base, wherein the dc motor is disposed on an upper portion of the motor base, a control circuit board is disposed on a lower portion of the motor base, and the power input terminal, the BOOST circuit, the detection control circuit, and the power output terminal are disposed on the control circuit board.
3. A BOOST circuit motor system according to claim 1, wherein said diode, switching tube and detection control circuit are replaced by a BOOST IC.
4. A boost circuit motor system according to claim 1, wherein the dc motor further comprises a front end cover, a stator assembly and a rotor assembly located between the front end cover and the dc motor base, a lower bearing seat is provided in the middle of the dc motor base, an upper bearing seat is provided in the middle of the front end cover, and a rotating shaft of the rotor assembly is mounted on the upper bearing seat and the lower bearing seat through an upper bearing and a lower bearing, respectively.
5. A booster circuit motor system as claimed in claim 4, wherein the front end cap and/or the DC motor base is provided with mounting portions, and the mounting portions are provided with mounting holes.
6. The utility model provides a BOOST circuit motor system, its characterized in that, include direct current motor, power input end, BOOST BOOST circuit, detection control circuit and give the power output end of direct current motor power supply, BOOST BOOST circuit includes energy storage inductance, diode and switch tube, power input end connects the one end of energy storage inductance, the other end of energy storage inductance is connected a switch pin of switch tube with the positive pole of diode, another switch pin ground connection of switch tube, the negative pole of diode is connected power output end, power output end connects direct current motor, power output end still inserts detection control circuit's voltage detection end, direct current motor is provided with current detection unit, current detection unit connects detection control circuit's current detection end, detection control circuit's PWM regulation and control signal output part connects the control end of switch tube is with control the control of switch tube And (5) switching on and off.
7. The utility model provides a BOOST circuit motor system, its characterized in that, include direct current motor, power input end, BOOST BOOST circuit, detection control circuit and give the power output end of direct current motor power supply, BOOST BOOST circuit includes energy storage inductance, diode and switch tube, power input end connects the one end of energy storage inductance, the other end of energy storage inductance is connected a switch pin of switch tube with the positive pole of diode, another switch pin ground connection of switch tube, the negative pole of diode is connected power output end, power output end connects direct current motor, power output end still inserts detection control circuit's voltage detection end, direct current motor is provided with rotational speed detecting element, rotational speed detecting element connects detection control circuit's rotational speed detection end, detection control circuit's PWM regulation and control signal output end connects the control end of switch tube is with control the control of switch tube And (5) switching on and off.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019214891014 | 2019-09-06 | ||
| CN201921489101 | 2019-09-06 |
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| Publication Number | Publication Date |
|---|---|
| CN210246605U true CN210246605U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921569070.3U Active CN210246605U (en) | 2019-09-06 | 2019-09-20 | Booster circuit motor system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110601530A (en) * | 2019-09-06 | 2019-12-20 | 佛山市至和智能科技有限公司 | Booster circuit motor system and control method thereof |
| CN112713771A (en) * | 2020-12-23 | 2021-04-27 | 浙江飞越机电有限公司 | Power supply circuit of direct-current brushless motor with ultra-wide input voltage |
-
2019
- 2019-09-20 CN CN201921569070.3U patent/CN210246605U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110601530A (en) * | 2019-09-06 | 2019-12-20 | 佛山市至和智能科技有限公司 | Booster circuit motor system and control method thereof |
| CN112713771A (en) * | 2020-12-23 | 2021-04-27 | 浙江飞越机电有限公司 | Power supply circuit of direct-current brushless motor with ultra-wide input voltage |
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Address after: 528311 Guangjiao community residents committee, Beijiao Town, Shunde District, Foshan City, Guangdong Province Patentee after: Guangdong Zhihe Technology Co.,Ltd. Address before: 528311 Guangjiao community residents committee, Beijiao Town, Shunde District, Foshan City, Guangdong Province Patentee before: Foshan Zhihe Intelligent Technology Co.,Ltd. |