CN116470892A - PWM signal control circuit with timing and time-delay functions - Google Patents
PWM signal control circuit with timing and time-delay functions Download PDFInfo
- Publication number
- CN116470892A CN116470892A CN202310413219.3A CN202310413219A CN116470892A CN 116470892 A CN116470892 A CN 116470892A CN 202310413219 A CN202310413219 A CN 202310413219A CN 116470892 A CN116470892 A CN 116470892A
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- timing
- pwm
- delay
- pwm signal
- module
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- 230000003111 delayed effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K2005/00013—Delay, i.e. output pulse is delayed after input pulse and pulse length of output pulse is dependent on pulse length of input pulse
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Dc-Dc Converters (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses a PWM signal control circuit with timing and delay functions, which comprises a PWM signal generator, a timing/delay module and a PWM control signal output module, wherein the timing/delay module is used for outputting a PWM signal; a PWM module of the PWM signal generator generates a PWM control signal; the timing/delay module performs timing/delay on/off switching on the PWM control signal generated by the PWM signal generator; the PWM control signal output module is used for carrying out switching control on products through PWM control signals. The invention adopts a modularized design; the device has a timing/delay function; the frequency and the duty ratio of the PWM signal are variable, and one or more devices can be operated; the through function and the timing/delay function can be freely switched; integrating the required power supply, the fixed/delayed time and the PWM signal generator into a whole; the number of required instruments is reduced.
Description
Technical Field
The invention relates to the technical field of PWM signal control, in particular to a PWM signal control circuit with timing and time delay functions.
Background
In the process of testing products, a plurality of required instruments are needed, if a plurality of people perform the same test, the requirements on the instruments are more, and the instruments are idle after the test is finished, so that the waste of resources is caused. In order to solve the phenomenon, the PWM signal control circuit with the timing and delay functions is designed, some functions of the needed instrument are integrated, and the data waste is reduced.
Disclosure of Invention
The invention aims to provide a PWM signal control circuit with timing and time delay functions so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a PWM signal control circuit with timing and delay functions comprises a PWM signal generator, a timing/delay module and a PWM control signal output module; a PWM module of the PWM signal generator generates a PWM control signal; the timing/delay module performs timing/delay on/off switching on the PWM control signal generated by the PWM signal generator; the PWM control signal output module is used for carrying out switching control on products through PWM control signals.
Preferably, the control system also comprises a PWM signal start-stop and timing/delay function selection switch.
Compared with the prior art, the invention has the beneficial effects that: adopting a modularized design; the device has a timing/delay function; the frequency and the duty ratio of the PWM signal are variable, and one or more devices can be operated; the through function and the timing/delay function can be freely switched; integrating the required power supply, the fixed/delayed time and the PWM signal generator into a whole; the number of required instruments is reduced.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a circuit diagram of a PWM signal generator of the present invention;
FIG. 2 is a circuit diagram of the inventive timing/delay module;
FIG. 3 is a circuit diagram of a PWM control signal output module according to the present invention;
fig. 4 is a circuit diagram of a PWM signal start-stop and timing/delay function selector switch of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
Referring to fig. 1-3, in an embodiment of the present invention, a PWM signal control circuit with timing and delay functions includes a PWM signal generator, a timing/delay module, and a PWM control signal output module; a PWM module of the PWM signal generator generates a PWM control signal; the timing/delay module performs timing/delay on/off switching on the PWM control signal generated by the PWM signal generator; the PWM control signal output module is used for carrying out switching control on products through PWM control signals.
Preferably, the control system also comprises a PWM signal start-stop and timing/delay function selection switch.
Adopting a modularized design; the device has a timing/delay function; the frequency and the duty ratio of the PWM signal are variable, and one or more devices can be operated; the through function and the timing/delay function can be freely switched; integrating the required power supply, the fixed/delayed time and the PWM signal generator into a whole; the number of required instruments is reduced.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A PWM signal control circuit with timing and time delay functions is characterized in that: the device comprises a PWM signal generator, a timing/delay module and a PWM control signal output module;
a PWM module of the PWM signal generator generates a PWM control signal;
the timing/delay module performs timing/delay on/off switching on the PWM control signal generated by the PWM signal generator;
the PWM control signal output module is used for carrying out switching control on products through PWM control signals.
2. The PWM signal control circuit with timing and delay function according to claim 1, wherein: the system also comprises a PWM signal start-stop and timing/delay function selection switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310413219.3A CN116470892A (en) | 2023-04-18 | 2023-04-18 | PWM signal control circuit with timing and time-delay functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310413219.3A CN116470892A (en) | 2023-04-18 | 2023-04-18 | PWM signal control circuit with timing and time-delay functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116470892A true CN116470892A (en) | 2023-07-21 |
Family
ID=87174775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310413219.3A Pending CN116470892A (en) | 2023-04-18 | 2023-04-18 | PWM signal control circuit with timing and time-delay functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116470892A (en) |
-
2023
- 2023-04-18 CN CN202310413219.3A patent/CN116470892A/en active Pending
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