CN210327127U - Linear energy recovery system and electrical device - Google Patents
Linear energy recovery system and electrical device Download PDFInfo
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- CN210327127U CN210327127U CN201921257528.1U CN201921257528U CN210327127U CN 210327127 U CN210327127 U CN 210327127U CN 201921257528 U CN201921257528 U CN 201921257528U CN 210327127 U CN210327127 U CN 210327127U
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Abstract
A linear energy recovery system and electrical device having an input voltage source, at least one load and at least one linear drive module, comprising: the energy recovery module is electrically coupled to the linear driving module and used for recovering the energy of the linear driving module and generating energy recovery voltage; the energy recovery boosting module is electrically coupled to the energy recovery module, performs boosting conversion on the energy recovery voltage, generates energy recovery boosting voltage and supplies power to the intelligent control module and the linear driving module; the intelligent control module is electrically coupled to the energy recovery boosting module, receives the energy recovery boosting voltage and generates a level shift intelligent control signal; and the linear energy recovery system intelligently controls the linear driving module through the level shift intelligent control signal. The system is powered by recycling the energy of the linear drive, so that the energy is saved, the cost is reduced, and the efficiency is improved.
Description
Technical Field
The utility model relates to an integrated circuit technical field especially relates to a linear energy recovery system and adopted this linear energy recovery system's electric device.
Background
The existing linear intelligent control system comprises a linear driving module, an intelligent control module and an auxiliary power supply module for supplying power to the intelligent control module.
Referring to fig. 1, a conventional linear intelligent control system 100 is shown in which an input voltage source 110 (typically including a rectifier, a filter circuit, etc.) outputs an uncontrolled dc bus voltage Vbus that provides a desired voltage or current to a load 140 (typically an LED) via a linear drive module 150. The Vbus voltage also supplies power to the intelligent control module 130 through the auxiliary power supply module 120, and the intelligent control module 130 outputs an intelligent control signal to control the linear driving module 150, so as to realize intelligent control of the load 140, such as brightness adjustment and/or temperature adjustment. Because the intelligent control module 130 increases the overall cost of the system, the auxiliary power supply module 120 can only take power from the bus voltage Vbus (usually 220Vac voltage, and Vbus voltage after rectification is 310V), and the generated power supply voltage is 3.3V or 5V, so that the voltage conversion efficiency is very low, and the overall efficiency of the system is also reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a linear energy recovery system to and adopted this linear energy recovery system's electric device, through the energy recuperation to linear drive module, can effectively utilize the resource, promote linear drive system's efficiency.
According to the utility model discloses a linear performance ability recovery system of an embodiment has an input voltage source, an at least load and an at least linear drive module, include: the energy recovery module is electrically coupled to the linear driving module and used for recovering the energy of the linear driving module and generating energy recovery voltage; the energy recovery boosting module is electrically coupled to the energy recovery module, performs boosting conversion on the energy recovery voltage, generates energy recovery boosting voltage and supplies power to the intelligent control module and the linear driving module; the intelligent control module is electrically coupled to the energy recovery boosting module, receives the energy recovery boosting voltage and generates a level shift intelligent control signal; and the linear energy recovery system intelligently controls the linear driving module through the level shift intelligent control signal.
According to the utility model discloses a linear performance ability recovery system of an embodiment has an input voltage source, an at least load and an at least linear drive module, include: the energy recovery module is electrically coupled to the linear driving module and used for recovering the energy of the linear driving module and generating energy recovery voltage; the energy recovery boosting module is electrically coupled to the energy recovery module, performs boosting conversion on the energy recovery voltage, generates energy recovery boosting voltage and supplies power to the intelligent control module and the linear driving module; the intelligent control module is electrically coupled to the energy recovery module, receives the energy recovery voltage and generates an intelligent control signal; the level shift module is electrically coupled to the energy recovery boosting module and the intelligent control module, receives the energy recovery boosting voltage and the intelligent control signal and generates a level shift intelligent control signal; and the linear energy recovery system intelligently controls the linear driving module through the level shift intelligent control signal.
According to the utility model discloses a linear performance ability recovery system of an embodiment has an input voltage source, an at least load and an at least linear drive module, include: the energy recovery module is electrically coupled to the linear driving module and used for recovering the energy of the linear driving module and generating energy recovery voltage; the energy recovery boosting module is electrically coupled to the energy recovery module, performs boosting conversion on the energy recovery voltage, generates energy recovery boosting voltage and supplies power to the intelligent control module and the linear driving module; the energy recovery voltage reduction module is electrically coupled to the energy recovery module, and is used for performing voltage reduction conversion on the energy recovery voltage to generate energy recovery voltage reduction and supply power to the intelligent control module; the intelligent control module is electrically coupled to the energy recovery voltage reduction module, receives the energy recovery voltage reduction and generates an intelligent control signal; the level shift module is electrically coupled to the energy recovery boosting module and the intelligent control module, receives the energy recovery boosting voltage and the intelligent control signal and generates a level shift intelligent control signal; and the linear energy recovery system intelligently controls the linear driving module through the level shift intelligent control signal.
According to the utility model discloses a linear energy recovery system of embodiment, the energy recuperation module includes: an energy storage capacitor having a first end electrically coupled to the linear drive module and a second end electrically coupled to ground; a clamp bleeder circuit having a first end electrically coupled to the linear drive module and a second end electrically coupled to ground.
According to the utility model discloses a linear performance volume recovery module of embodiment, energy storage capacitor retrieves the energy of storage linear drive module, produces energy recuperation voltage, when the recovered energy surpassed required energy, discharges unnecessary energy to ground through the clamp bleeder circuit to ensure energy recuperation voltage be stable value.
According to the utility model discloses a linear performance volume recovery module of embodiment, the sampling of clamp bleeder circuit proportion energy recovery voltage carries out the error comparison with a reference voltage signal with the sampling signal and produces error signal, through an error signal control power tube switches on or turn-offs to it is stable to maintain energy recovery voltage.
According to the utility model discloses a linear energy recovery system of embodiment, energy recuperation boost module includes a boost circuit, it can with energy recuperation voltage converts the energy recuperation boost voltage of higher level into.
According to the utility model discloses a linear energy recovery system of embodiment, energy recuperation step-down module includes a step-down circuit, it can with energy recuperation voltage converts the energy recuperation step-down voltage of lower level into.
According to the utility model discloses an energy recuperation boost module of embodiment, boost circuit is an inductance type boost circuit.
According to the utility model discloses an energy recuperation step-down module of embodiment, the step-down circuit is an inductance type step-down circuit.
According to the utility model discloses an energy recuperation boost module of embodiment, boost circuit is an electric capacity boost circuit.
According to the utility model discloses an energy recuperation step-down module of embodiment, the step-down circuit is a electric capacity step-down circuit.
According to the utility model discloses an energy recuperation boost module of embodiment, electric capacity boost circuit is a 2 times charge pump circuit that steps up.
According to the utility model discloses an energy recuperation step-down module of embodiment, electric capacity step-down circuit is a 0.5 times step-down charge pump circuit.
According to the utility model relates to a linear performance recovery system of embodiment, intelligent control module is bluetooth module, WIFI module, radar module or infrared module, exports at least a set of intelligent control signal.
According to an embodiment of the present invention, a linear energy recovery system has one or more linear driving modules and a load connected in series/parallel and then electrically coupled to the energy recovery module.
According to the utility model discloses an electric device of embodiment has adopted energy recuperation system.
The system is powered by recycling the energy of the linear drive, so that the energy is saved, the cost is reduced, and the efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a conventional linear intelligent control system;
fig. 2 is a schematic view of a linear energy recovery system according to an embodiment of the present invention;
fig. 3 is a schematic view of a linear energy recovery system according to another embodiment of the present invention;
fig. 4 is a schematic view of a linear energy recovery system according to another embodiment of the present invention;
fig. 5A is a schematic diagram of an energy recovery module according to an embodiment of the present invention;
fig. 5B is a schematic diagram of a boost circuit module according to an embodiment of the present invention;
fig. 5C is a schematic diagram of a voltage step-down circuit module according to another embodiment of the present invention.
Detailed Description
Specific embodiments of the present invention will be described in detail below, and it should be noted that the embodiments described herein are only for illustration and are not intended to limit the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the invention. In other instances, well-known circuits, materials, or methods have not been described in detail in order to avoid obscuring the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment," "in an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may be present. In contrast, when an element is referred to as being "directly connected" or "directly coupled" to another element, there are no intervening elements present. Like reference numerals refer to like elements. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Fig. 2 is a block diagram of a linear energy recovery system 200 having an input voltage source 201, at least one load 210 and at least one linear driving module 240 according to an embodiment of the present invention, comprising: an energy recovery module 220 electrically coupled to the linear driving module 240, for recovering energy of the linear driving module 240 (the energy refers to a current Iout flowing through the linear driving module 240, and is equivalent to the following) to generate an energy recovery voltage VCC; the energy recovery boosting module 230 is electrically coupled to the energy recovery module 220, and performs boosting conversion on the energy recovery voltage VCC to generate an energy recovery boosting voltage VCCH for supplying power to the intelligent control module 280 and the linear driving module 240; an intelligent control module 280 electrically coupled to the energy recovery boosting module 230, for receiving the energy recovery boosting voltage VCCH and generating a level shift intelligent control signal PWMH; wherein the linear performance recovery system 200 intelligently controls the linear driving module 240 through the level shift intelligent control signal PWMH.
In one embodiment, the intelligent control module 280 is electrically coupled to the energy recovery boosting module 230 and the energy recovery module 220, and intelligently controls the linear driving module 240 by using the energy recovery voltage VCC as a reference ground voltage and using the energy recovery boosting voltage VCCH as a supply voltage, and generating a level shift intelligent control signal PWMH with a low level as the energy recovery voltage VCC and a high level as the energy recovery boosting voltage VCCH.
In one embodiment, the intelligent control module 280 is electrically coupled to the energy recovery boosting module 230, has the same reference ground voltage as the energy recovery boosting module 230 and the energy recovery boosting module 220, and generates a level shift intelligent control signal PWMH with a low level of zero voltage and a high level of energy recovery boosting voltage VCCH as a supply voltage, so as to intelligently control the linear driving module 240.
Fig. 3 is a diagram illustrating an exemplary linear energy recovery system 300 having an input voltage source 201, at least one load 210 and at least one linear driving module 240, comprising: the energy recovery module 220 is electrically coupled to the linear driving module 240, and recovers energy of the linear driving module 240 to generate an energy recovery voltage VCC; the energy recovery boosting module 230 is electrically coupled to the energy recovery module 220, and performs boosting conversion on the energy recovery voltage VCC to generate an energy recovery boosting voltage VCCH for supplying power to the level shift module 390 and the linear driving module 240; the intelligent control module 380 is electrically coupled to the energy recovery module 220, receives the energy recovery voltage VCC and generates an intelligent control signal PWM; a level shift module 390 electrically coupled to the energy recovery voltage boost module 230 and the intelligent control module 380, for receiving the energy recovery voltage boost VCCH and the intelligent control signal PWM and generating a level shift intelligent control signal PWMH; wherein the linear performance recycling system 300 intelligently controls the linear driving module 240 through the level shift intelligent control signal PWMH.
In one embodiment, the intelligent control module 380 is electrically coupled to the energy recovery module 220, and both have the same reference ground voltage, and the intelligent control module 380 uses the energy recovery voltage VCC as a power supply voltage, and generates the intelligent control signal PWM with a low level being zero voltage and a high level being the energy recovery voltage VCC.
In one embodiment, the level shift module 390 is electrically coupled to the energy recovery voltage boost module 230 and the intelligent control module 380, and performs level shift on the intelligent control signal PWM, and converts the intelligent control signal PWM into a level shift intelligent control signal PWMH with a low level being a zero voltage and a high level being an energy recovery voltage boost VCCH, and performs intelligent control on the linear driving module.
In one embodiment, the level shift module 390 is electrically coupled to the energy recovery boosting module 230, the energy recovery module 220 and the intelligent control module 380, and performs level shift on the intelligent control signal PWM, and converts the intelligent control signal PWM whose low level is zero voltage and whose high level is the energy recovery voltage VCC into a level shift intelligent control signal PWMH whose low level is the energy recovery voltage VCC and whose high level is the energy recovery boosting voltage VCCH, so as to perform intelligent control on the linear driving module.
Fig. 4 is a diagram illustrating an exemplary linear energy recovery system 400 having an input voltage source 201, at least one load 210 and at least one linear driving module 240, according to an embodiment of the present invention, comprising: the energy recovery module 220 is electrically coupled to the linear driving module 240, and recovers energy of the linear driving module 240 to generate an energy recovery voltage VCC; the energy recovery boosting module 230 is electrically coupled to the energy recovery module 220, and performs boosting conversion on the energy recovery voltage VCC to generate an energy recovery boosting voltage VCCH for supplying power to the level shift module 490 and the linear driving module 240; the energy recovery voltage reduction module 470 is electrically coupled to the energy recovery module 220, and performs voltage reduction conversion on the energy recovery voltage VCC to generate an energy recovery voltage reduction VCCL for supplying power to the intelligent control module 480; the intelligent control module 480 is electrically coupled to the energy recovery voltage reduction module 470, receives the energy recovery voltage reduction VCCL, and generates an intelligent control signal PWML; a level shift module 490, electrically coupled to the energy recovery boosting module 230 and the intelligent control module 480, receiving the energy recovery boosting voltage VCCH and the intelligent control signal PWML, and generating a level shift intelligent control signal PWMH; wherein the linear performance recycling system 400 intelligently controls the linear driving module 240 through the level shift intelligent control signal PWMH.
In one embodiment, the intelligent control module 480 is electrically coupled with the energy recovery voltage reduction module 470, and the energy recovery voltage reduction module 470 has the same reference ground voltage, the intelligent control module 480 uses the energy recovery voltage reduction VCCL as a power supply voltage, and the low level of the generated intelligent control signal PWML is zero voltage, and the high level is the energy recovery voltage reduction VCCL.
In one embodiment, the level shift module 490 is electrically coupled to the energy recovery boosting module 230 and the intelligent control module 480, and performs level shift on the intelligent control signal PWML, and converts the intelligent control signal PWML into a level shift intelligent control signal PWMH, where the low level is zero voltage and the high level is the energy recovery down voltage VCCL, and the low level is zero voltage and the high level is the energy recovery boosting voltage VCCH, so as to perform intelligent control on the linear driving module.
In one embodiment, the level shift module 490 is electrically coupled to the energy recovery boosting module 230, the energy recovery module 220, the energy recovery voltage reducing module 470 and the intelligent control module 480, and performs level shift on the intelligent control signal PWML, and converts the intelligent control signal PWML into a level shift intelligent control signal PWMH, where the low level is zero voltage, the high level is the energy recovery voltage VCCL, the low level is the energy recovery voltage VCC, and the high level is the energy recovery voltage VCCH, so as to perform intelligent control on the linear driving module.
According to an embodiment of the present invention, a linear energy recovery system (200 or 300 or 400), as shown in fig. 5A, the energy recovery module includes: an energy storage capacitor 224 (for convenience of description, the energy recovery voltage VCC on the energy storage capacitor 224 is the same name as the first terminal of the energy storage capacitor 224), having a first terminal and a second terminal, wherein the first terminal VCC is electrically coupled to the linear driving module 240, and the second terminal is electrically coupled to ground; a clamp bleeder circuit having a first terminal electrically coupled to the linear drive module 240 and a second terminal electrically coupled to ground, the clamp bleeder circuit and the energy storage capacitor 224 having the same common terminal VCC.
According to an embodiment of the present invention, as shown in fig. 5A, the energy storage capacitor 224 recovers and stores the energy of the linear driving module 240 to generate the energy recovery voltage VCC, and when the recovered energy exceeds the required energy, the excess energy is discharged to the ground through the clamp discharging circuit to ensure that the energy recovery voltage VCC is a stable value.
According to the utility model discloses a linear performance volume recovery system (200 or 300 or 400), as shown in fig. 5A, clamp bleeder circuit proportional sampling (proportionality coefficient K is a constant) energy recuperation voltage VCC inputs error comparator 222 with sampling signal K VCC and a reference voltage signal VREF together, carries out the error comparison and produces error signal GC2, through error signal GC2 controls a power tube MD and switches on or turn-off to it is stable to maintain energy recuperation voltage VCC.
When the sampling voltage K × VCC is smaller than the reference voltage VREF, the error signal GC2 enables the power tube MD to be closed, the energy recovery capacitor C2 starts to be charged for energy recovery, and the VCC voltage rises; when sampling voltage K VCC is greater than reference voltage VREF, error signal GC2 turns on power tube MD, discharges unnecessary energy, and keeps energy recovery voltage VCC on energy recovery capacitor C2 at the set value of reference voltage VREF, that is: k VCC — VREF.
According to an embodiment of the present invention, the energy recovery voltage boost module 230 includes a boost circuit, which can convert the energy recovery voltage VCC into a higher level energy recovery boost voltage VCCH.
In one embodiment, the boost circuit 230 is an inductive boost circuit.
In one embodiment, the boost circuit 230 is a capacitor boost circuit.
In one embodiment, as shown in fig. 5B, the voltage boosting circuit 230 is a 2-fold voltage boosting charge pump circuit, and includes switches SW1A, SW1B, SW1C and SW1D, and capacitors CP1 and CO 1.
According to the utility model discloses a linear energy recovery system (400) of an embodiment, energy recuperation step-down module 470 includes a step-down circuit, it can with energy recuperation voltage VCC converts the energy recuperation step-down voltage VCCL of lower level into.
In one embodiment, the voltage dropping circuit 470 is a capacitor voltage dropping circuit.
In one embodiment, the voltage step-down circuit 470 is an inductive voltage step-down circuit.
In one embodiment, as shown in fig. 5C, the voltage-reducing circuit 470 is a 0.5-fold voltage-reducing charge pump circuit, and includes switches SW2A, SW2B, SW2C and SW2D, capacitors CP2 and CO2
According to the utility model relates to a linear performance recovery system (200 or 300 or 400) of embodiment, intelligent control module is wireless module such as bluetooth module, WIFI module, radar module or infrared module, can export at least a set of intelligent control signal.
An in-line energy recovery system (200 or 300 or 400) according to an embodiment of the present invention has one or more linear drive modules (240 to 24N) and loads (210 to 21N) electrically coupled to an energy recovery module 220 after series/parallel connection.
According to the utility model discloses an electric device of embodiment has adopted energy recuperation system.
While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims. For those skilled in the art, without departing from the principle of the present invention, several improvements and decorations can be made, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (11)
1. A linear energy recovery system having an input voltage source, at least one load, and at least one linear drive module, comprising:
the energy recovery module is electrically coupled to the linear driving module and used for recovering the energy of the linear driving module and generating energy recovery voltage;
the energy recovery boosting module is electrically coupled to the energy recovery module, performs boosting conversion on the energy recovery voltage, generates energy recovery boosting voltage and supplies power to the intelligent control module and the linear driving module;
the intelligent control module is electrically coupled to the energy recovery boosting module, receives the energy recovery boosting voltage and generates a level shift intelligent control signal; wherein
And the linear energy recovery system intelligently controls the linear driving module through the level shift intelligent control signal.
2. A linear energy recovery system having an input voltage source, at least one load, and at least one linear drive module, comprising:
the energy recovery module is electrically coupled to the linear driving module and used for recovering the energy of the linear driving module and generating energy recovery voltage;
the energy recovery boosting module is electrically coupled to the energy recovery module, performs boosting conversion on the energy recovery voltage, generates an energy recovery boosting voltage and supplies power to the level shift module and the linear driving module;
the intelligent control module is electrically coupled to the energy recovery module, receives the energy recovery voltage and generates an intelligent control signal;
the level shift module is electrically coupled to the energy recovery boosting module and the intelligent control module, receives the energy recovery boosting voltage and the intelligent control signal and generates a level shift intelligent control signal; wherein
And the linear energy recovery system intelligently controls the linear driving module through the level shift intelligent control signal.
3. A linear energy recovery system having an input voltage source, at least one load, and at least one linear drive module, comprising:
the energy recovery module is electrically coupled to the linear driving module and used for recovering the energy of the linear driving module and generating energy recovery voltage;
the energy recovery boosting module is electrically coupled to the energy recovery module, performs boosting conversion on the energy recovery voltage, generates an energy recovery boosting voltage and supplies power to the level shift module and the linear driving module;
the energy recovery voltage reduction module is electrically coupled to the energy recovery module, and is used for performing voltage reduction conversion on the energy recovery voltage to generate energy recovery voltage reduction and supply power to the intelligent control module;
the intelligent control module is electrically coupled to the energy recovery voltage reduction module, receives the energy recovery voltage reduction and generates an intelligent control signal;
the level shift module is electrically coupled to the energy recovery boosting module and the intelligent control module, receives the energy recovery boosting voltage and the intelligent control signal and generates a level shift intelligent control signal; wherein
And the linear energy recovery system intelligently controls the linear driving module through the level shift intelligent control signal.
4. The linear energy recovery system of claim 1 or claim 2 or claim 3, wherein the energy recovery module comprises:
an energy storage capacitor having a first end electrically coupled to the linear drive module and a second end electrically coupled to ground;
a clamp bleeder circuit having a first end electrically coupled to the linear drive module and a second end electrically coupled to ground.
5. The linear energy recovery system of claim 4, wherein the energy storage capacitor recovers energy stored in the linear driving module to generate an energy recovery voltage, and when the recovered energy exceeds the required energy, the excess energy is discharged to ground through the clamp discharging circuit to ensure that the energy recovery voltage is a stable value.
6. The linear energy recovery system of claim 4, wherein the clamp bleed-off circuit proportionally samples the energy recovery voltage, performs an error comparison between the sampled signal and a reference voltage signal to generate an error signal, and controls a power transistor to be turned on or off through the error signal to maintain the energy recovery voltage stable.
7. A linear energy recovery system according to claim 1 or claim 2 or claim 3, wherein the energy recovery boost module includes a boost circuit which can convert the energy recovery voltage to a higher level energy recovery boost voltage.
8. The linear energy recovery system of claim 3, wherein the energy recovery voltage reduction module includes a voltage reduction circuit that converts the energy recovery voltage to a lower level energy recovery voltage.
9. The linear energy recovery system of claim 1, claim 2 or claim 3, wherein the intelligent control module is a Bluetooth module, a WIFI module, a radar module or an infrared module, and outputs at least one set of intelligent control signals.
10. The linear energy recovery system of claim 1 or claim 2 or claim 3 having one or more linear drive modules and a load connected in series/parallel and electrically coupled to the energy recovery module.
11. An electrical apparatus, characterized in that a linear energy recovery system according to any one of claims 1-10 is used.
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| CN201921257528.1U CN210327127U (en) | 2019-08-05 | 2019-08-05 | Linear energy recovery system and electrical device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116094412A (en) * | 2021-11-05 | 2023-05-09 | 荣耀终端有限公司 | Linear motor driving method, circuit and related device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116094412A (en) * | 2021-11-05 | 2023-05-09 | 荣耀终端有限公司 | Linear motor driving method, circuit and related device |
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Effective date of registration: 20211014 Address after: 610000 room 1009, floor 10, unit 1, building 2, No. 68, Zhiquan section, East Street, Jinjiang District, Chengdu, Sichuan Patentee after: Chengdu Zhongqi Yilian Technology Co.,Ltd. Address before: No.2126 and 2127, 21 / F, building 1, No.56, Tianhui middle street, hi tech Zone, Chengdu, Sichuan Province 610000 Patentee before: Xinhao semiconductor (Chengdu) Co.,Ltd. |