CN218888570U - Motor drive control system and image forming device - Google Patents
Motor drive control system and image forming device Download PDFInfo
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- CN218888570U CN218888570U CN202320448928.0U CN202320448928U CN218888570U CN 218888570 U CN218888570 U CN 218888570U CN 202320448928 U CN202320448928 U CN 202320448928U CN 218888570 U CN218888570 U CN 218888570U
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Abstract
The utility model discloses a motor drive control system and an image forming device using the same, which comprises a controller, a controller and a controller, wherein the controller is used for outputting motor drive control signals and multiplexing selection signals; the signal processing module is used for receiving and processing the motor driving control signal output by the controller; the time-sharing multiplexing selection module is used for receiving and processing the multiplexing selection signal output by the controller and selecting the motor to be driven according to the multiplexing selection signal; the motor module at least comprises a first motor and a second motor. The utility model discloses can optimize the double motor drive control process, reduce control signal's output, save the control resource of controller.
Description
Technical Field
The utility model relates to a print technical field, concretely relates to motor drive control system and image forming device.
Background
Generally, an image forming apparatus is a device for printing an input image signal on a printing medium, and can be classified into a printer, a copier, a multifunction printer in which copying and printing functions are integrated, and the like.
The image forming apparatus includes a scanning section for scanning an image recorded by a document. In order to ensure that the scanning section reads information from the document, it is necessary to move the scanning sensor of the scanning section or to move the document.
Therefore, there are two ways of scanning a document, one is a flatbed type scanning in which a scanning sensor is moved in a state in which the document is fixed, i.e., FB (flat panel scanning), and the other is a sheet-feed type scanning in which the document is moved in a state in which the scanning sensor is fixed, i.e., ADF (auto document feeder). In recent years, regardless of whether the scanning is of a flat-type or a sheet-feeding type, a separate motor driving integrated circuit is required to drive and control the motor to complete the scanning operation, and fig. 1 shows a conventional dual-motor control system of the image forming apparatus. As shown in fig. 1, the image forming apparatus needs to output a motor driving control signal to the ADF motor driver and the FB motor driver, respectively, and further drive the ADF motor or the FB motor to operate. However, when the image forming apparatus performs the scanning operation, only one of the ADF scanning mode and the FB scanning mode can be selected, and therefore, the other motor is not driven until the user selects any scanning mode. Moreover, because the scanning operation requires more precise position control, no matter ADF scanning or FB scanning, the stepping motor is usually selected for travel control, and the stepping motor driving control signal is usually fixed, even if signals such as energy, direction, pulse, and the like are available, the controller of the image forming apparatus is required to output the motor driving control signal of the same type of signal, and the controller resource of the controller is occupied.
SUMMERY OF THE UTILITY MODEL
In order to solve one or more of the above problems, the present invention provides a motor driving control system and an image forming apparatus using the same, wherein one motor driving integrated circuit and a time-sharing multiplexing selection module are used to control two motors, thereby avoiding the idle of the motor driving integrated circuit and reducing the production cost; and control signals required to be output by the controller are reduced, and control resources are saved.
According to an aspect of the present invention, there is provided a motor drive control system, including:
a controller for outputting a motor drive control signal and a multiplexing selection signal;
the signal processing module is used for receiving and processing the motor driving control signal output by the controller;
the time-sharing multiplexing selection module is used for receiving and processing the multiplexing selection signal output by the controller and selecting the motor to be driven according to the multiplexing selection signal;
the motor module at least comprises a first motor and a second motor.
As an improvement of the above technical solution, the multiplexing selection signal includes:
the multiplexing selection signal is a level signal.
As a further improvement of the above technical solution, the time division multiplexing selection module includes:
the time division multiplexing selection module selects the started motor drive according to the level of the multiplexing selection signal, wherein when the multiplexing selection signal is in a high level, the first motor is driven; and driving the second motor when the multiplexing selection signal is in a low level.
As a further improvement of the above technical solution, the time-division multiplexing selection module includes a first multiplexing selection module, wherein a first output end of the first multiplexing selection module is connected to the first driving circuit, and a first output end of the first multiplexing selection module is configured to output a first driving sub-signal to the first driving circuit according to the motor driving control signal and the multiplexing selection signal;
the second output end of the first multiplexing selection module is connected with a third drive circuit, and the second output end of the first multiplexing selection module is used for correspondingly outputting a third drive sub-signal to the third drive circuit according to the motor drive control signal and the multiplexing selection signal.
As a further improvement of the above technical solution, the time-division multiplexing selection module includes a second multiplexing selection module, wherein a first output end of the second multiplexing selection module is connected to the second driving circuit, and the first output end of the second multiplexing selection module is configured to output a second driving sub-signal to the second driving circuit according to the motor driving control signal and the multiplexing selection signal;
the second output end of the second multiplexing selection module is connected with the fourth driving circuit, and the second output end of the second multiplexing selection module is used for correspondingly outputting a fourth driving sub-signal to the fourth driving circuit according to the motor driving control signal and the multiplexing selection signal.
As a further improvement of the above technical solution, when the multiplexing selection signal is at a high level, the first multiplexing selection module outputs a first driving signal to the first driving circuit;
when the multiplexing selection signal is at a low level, the first multiplexing selection module outputs a third driving signal to a third driving circuit. As a further improvement of the above technical solution, when the multiplexing selection signal is at a high level, the second multiplexing selection module outputs a second driving signal to the second driving circuit;
when the multiplexing selection signal is at low level, the second multiplexing selection module outputs a fourth driving signal to a fourth driving circuit.
As a further improvement of the above technical solution, when the multiplexing selection signal is at a high level, the first multiplexing selection module outputs a first driving signal to a first driving circuit for driving the first motor;
when the multiplexing selection signal is at a low level, the first multiplexing selection module outputs a third driving signal to a third driving circuit for driving the second motor.
As a further improvement of the above technical solution, when the multiplexing selection signal is at a high level, the second multiplexing selection module outputs a second driving signal to a second driving circuit for driving the first motor;
when the multiplexing selection signal is at a low level, the second multiplexing selection module outputs a fourth driving signal to a fourth driving circuit for driving the second motor.
According to another aspect of the present invention, there is provided an image forming apparatus using the control system.
Compared with the prior art, the utility model has the advantages that the time-sharing multiplexing selection module is arranged, the gating is carried out according to the high and low levels of the multiplexing signals, the use of a driving integrated circuit can be reduced, and the production cost can be reduced; and for conventional control mode, the controller output is repeated two sets of control signal and is carried out the drive control of two motors promptly, the utility model discloses only need controller output a set of control signal and a multiplex selection signal can satisfy the drive control of two motors, can practice thrift the control resource of controller.
Drawings
FIG. 1 is a schematic diagram of a conventional dual motor control system for an image forming apparatus;
fig. 2 is an architecture diagram of the dual motor driving control system of the present invention.
Detailed Description
For better understanding of the technical solutions of the present application, the following detailed descriptions of the embodiments of the present application are provided with reference to the accompanying drawings.
It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
The utility model provides a new motor drive control system, as shown in figure 2. A controller of the image forming apparatus transmits a motor drive control signal to the signal processing module and transmits a multiplexing selection signal to the time-division multiplexing selection module; the signal processing module processes and analyzes the signals, converts the motor driving control signals into corresponding digital signals and outputs the digital signals, and controls the starting or advancing control of the motor and the like; the time division multiplexing selection module receives a multiplexing selection signal output from the image forming apparatus controller, and selects the H-type driving circuit to be turned on according to the high and low levels, so that any one of an ADF (auto document feeder) motor and an FB (flat panel scanning) motor can be controlled to operate.
Wherein, motor drive control signal is mainly including enabling signal, pulse signal, a plurality of signals such as direction signal, the utility model discloses an use the multiplexing selection module of timesharing, realize that the controller only needs output a multiplexing selection signal can replace a set of motor drive control signal's effect, can reduce a motor drive integrated circuit's use, save the control resource of controller.
The signal processing module comprises an input control unit, a digital control logic unit, a micro-step control unit, a PWM control unit and a gate drive unit. A controller of the image processing device outputs a motor driving control signal to an input control unit, and the input control unit distinguishes and processes the input control signal to obtain an initial input signal and an initial output signal. The input control unit is connected with the digital control logic unit and outputs an initial output signal to the digital control logic unit; the digital control logic unit receives and amplifies the initial output signal from the input control unit, and then outputs the initial output signal to the micro-step control unit after analog-to-digital conversion; the micro-step control unit is respectively connected with two PWM control units for controlling the first motor and the second motor and is used for selecting the torque of the motors; the PWM control unit is used for adjusting the size of the pulse and indirectly adjusting the rotating speed of the motor by adjusting the size of the driving pulse of the motor; the gate driving unit is respectively connected with the PWM control unit and the time-sharing multiplexing selection module and controls whether to start the H-shaped driving circuit or not; the time-sharing multiplexing selection module selects the H-type drive circuit needing to work through the high and low levels of the multiplexing selection signal; the H-type drive circuit module is used for starting a corresponding drive circuit through an output signal of the time-sharing multiplexing selection module; the motor module comprises a first motor, namely an ADF motor and a second motor, namely an FB motor, and is selectively used according to the started H-shaped driving circuit module. In addition, the signal processing module also comprises a chip protection unit which is used for protecting the digital control logic unit from being damaged under the conditions of circuit faults, such as short circuit and the like, thereby being beneficial to prolonging the service life of the digital control logic unit; and the power supply control unit is used for supplying the running power supply of the whole signal processing module.
In a specific embodiment, the time division multiplexing selection module selects a motor to be turned on according to a level of a multiplexing selection signal, wherein when the multiplexing selection signal is at a high level, the motor drives a first motor, namely an ADF motor; when the multiplexing selection signal is at a low level, the second motor, i.e., the FB motor, is driven. In a specific embodiment, the time division multiplexing selection module includes a first multiplexing selection module and a second multiplexing selection module. The H-type driving circuit module comprises a first H-type driving circuit, a second H-type driving circuit, a third H-type driving circuit and a fourth H-type driving circuit.
In this embodiment, the first output terminal of the first multiplexing selection module is connected to the first H-type driving circuit, and the first output terminal of the first multiplexing selection module is configured to correspondingly output the first driving sub-signal to the first H-type driving circuit according to the motor driving control signal and the multiplexing selection signal;
the second output end of the first multiplexing selection module is connected with the second H-type drive circuit, and the second output end of the first multiplexing selection module is used for correspondingly outputting a third drive division signal to a third H-type drive circuit according to the motor drive control signal and the multiplexing selection signal.
In this embodiment, the first output terminal of the second multiplexing selection module is connected to the second H-type driving circuit, and the first output terminal of the second multiplexing selection module is configured to correspondingly output the second driving sub-signal to the second H-type driving circuit according to the motor driving control signal and the multiplexing selection signal;
and the second output end of the second multiplexing selection module is connected with a fourth H-type drive circuit, and the second output end of the second multiplexing selection module is used for correspondingly outputting a fourth drive sub-signal to the fourth H-type drive circuit according to the motor drive control signal and the multiplexing selection signal.
In the present embodiment, the first motor, i.e., the ADF motor, is driven by turning on the first H-type driving circuit and the second H-type driving circuit; the second motor, i.e., the FB motor, is driven by turning on the third H-type drive circuit and the fourth H-type drive circuit.
In a specific embodiment, the time division multiplexing selection module includes a first multiplexing selection module and a second multiplexing selection module. The H-type driving circuit module comprises a first H-type driving circuit, a second H-type driving circuit, a third H-type driving circuit and a fourth H-type driving circuit.
In this embodiment, when the multiplexing selection signal is at a high level, the first multiplexing selection module outputs a first driving signal to the first H-type driving circuit, and the second multiplexing selection module outputs a second driving signal to the second H-type driving circuit, for driving the first motor, i.e., the ADF motor;
when the multiplexing selection signal is at a low level, the first multiplexing selection module outputs a third driving signal to the third H-type driving circuit, and the second multiplexing selection module outputs a fourth driving signal to the fourth H-type driving circuit for driving the second motor, i.e., the FB motor.
The utility model provides an image forming device, including the utility model discloses an arbitrary embodiment motor drive control system.
The ADF motor and the FB motor of the image forming device share one signal processing module, the motor device needing to be started is selected through the time division multiplexing selection module, the motor driving control signal and the multiplexing selection signal can be output through a controller of the image forming device, and the purpose of controlling the two motors through one motor driving integrated circuit is achieved.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present specification, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A motor drive control system, comprising:
a controller for outputting a motor drive control signal and a multiplexing selection signal;
the signal processing module is used for receiving and processing the motor driving control signal output by the controller;
the time-sharing multiplexing selection module is used for receiving and processing the multiplexing selection signal output by the controller and selecting the motor to be driven according to the multiplexing selection signal;
the motor module at least comprises a first motor and a second motor.
2. A motor drive control system according to claim 1, wherein the multiplex selection signal comprises:
the multiplexing selection signal is a level signal.
3. The motor drive control system of claim 2, wherein the time division multiplexing selection module comprises:
the time division multiplexing selection module selects a started motor according to the level of the multiplexing selection signal, wherein the multiplexing selection signal drives the first motor when being at a high level; and driving the second motor when the multiplexing selection signal is in a low level.
4. A motor drive control system according to claim 3, wherein the time division multiplexing selection module comprises:
the first multiplexing selection module, wherein a first output end of the first multiplexing selection module is connected with the first driving circuit, and the first output end of the first multiplexing selection module is used for correspondingly outputting a first driving sub-signal to the first driving circuit according to the motor driving control signal and the multiplexing selection signal;
the second output end of the first multiplexing selection module is connected with the third drive circuit, and the second output end of the first multiplexing selection module is used for correspondingly outputting a third drive division signal to the third drive circuit according to the motor drive control signal and the multiplexing selection signal.
5. A motor drive control system according to claim 3, wherein the time division multiplexing selection module comprises:
the first output end of the second multiplexing selection module is used for correspondingly outputting a second driving sub-signal to the second driving circuit according to the motor driving control signal and the multiplexing selection signal;
the second output end of the second multiplexing selection module is connected with the second driving circuit, and the second output end of the second multiplexing selection module is used for correspondingly outputting a fourth driving sub-signal to the fourth driving circuit according to the motor driving control signal and the multiplexing selection signal.
6. The motor driving control system of claim 4, wherein when the multiplexing selection signal is high, the first multiplexing selection module outputs a first driving signal to the first driving circuit;
when the multiplexing selection signal is at a low level, the first multiplexing selection module outputs a third driving signal to a third driving circuit.
7. The motor driving control system of claim 5, wherein when the multiplexing selection signal is high, the second multiplexing selection module outputs a second driving signal to the second driving circuit;
when the multiplexing selection signal is at low level, the second multiplexing selection module outputs a fourth driving signal to a fourth driving circuit.
8. A motor drive control system according to claim 6,
when the multiplexing selection signal is at a high level, the first multiplexing selection module outputs a first driving signal to a first driving circuit for driving the first motor;
when the multiplexing selection signal is at a low level, the first multiplexing selection module outputs a third driving signal to a third driving circuit for driving the second motor.
9. A motor drive control system according to claim 7,
when the multiplexing selection signal is at a high level, the second multiplexing selection module outputs a second driving signal to a second driving circuit for driving the first motor;
when the multiplexing selection signal is at a low level, the second multiplexing selection module outputs a fourth driving signal to a fourth driving circuit for driving the second motor.
10. An image forming apparatus characterized by performing motor control using the motor drive control system according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320448928.0U CN218888570U (en) | 2023-03-10 | 2023-03-10 | Motor drive control system and image forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320448928.0U CN218888570U (en) | 2023-03-10 | 2023-03-10 | Motor drive control system and image forming device |
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| Publication Number | Publication Date |
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| CN218888570U true CN218888570U (en) | 2023-04-18 |
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| CN202320448928.0U Active CN218888570U (en) | 2023-03-10 | 2023-03-10 | Motor drive control system and image forming device |
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| CN (1) | CN218888570U (en) |
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- 2023-03-10 CN CN202320448928.0U patent/CN218888570U/en active Active
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