CN217307655U

CN217307655U - Electric pulse circuit

Info

Publication number: CN217307655U
Application number: CN202121095406.4U
Authority: CN
Inventors: 黄华; 曾彦
Original assignee: Sichuan Buge Technology Co ltd
Current assignee: Sichuan Buge Technology Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2022-08-26
Anticipated expiration: 2031-05-21

Abstract

The utility model discloses an electric pulse circuit, this circuit include programmable logic device U3 and transformer T1, programmable logic device U3's input is used for the pulse signal configuration, transformer T1's former limit with programmable logic device U3's output is connected, transformer T1's vice limit is as electric pulse circuit's output pulse signal. The circuit adopts the programmable logic device to modulate the input pulse signal, and the programmable logic device has strong programmability, so the circuit can be used for various programming, and the applicability of the circuit is improved; the pulse signal modulated by the programmable logic device is amplified and output by the transformer and can be used by other required equipment.

Description

Electric pulse circuit

Technical Field

The utility model belongs to the electronic circuit field especially relates to an electric pulse circuit.

Background

The pulse signal can be used to represent information, can also be used as a carrier wave, such as pulse code modulation and pulse width modulation in pulse modulation, and can also be used as a clock signal of various digital circuits and high-performance chips. The pulse signal can also be used for triggering the single chip microcomputer, and when the single chip microcomputer for controlling the battery pack is powered on when the power is off, the battery pack can be charged and activated. In the medical field, the pulse signal can be used for driving the actuating mechanism to act, so that the actuating mechanism acts on the affected part and the fatigue part of a patient or a user to achieve the purposes of treatment and alleviation; or directly form micro-current pulse signals to act on the affected part and fatigue part of a patient or a user to achieve the purposes of treatment and relief. The pulse circuit of the existing design is complex, more during use, poor in programmability and reduced in circuit applicability.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem existing in the prior art, the present invention provides an electrical pulse circuit with simple circuit structure and strong circuit applicability.

In order to achieve the object of the present invention, the electrical pulse circuit provided herein includes a programmable logic device U3 and a transformer T1, an input terminal of the programmable logic device U3 is used for pulse signal configuration, a primary side of the transformer T1 is connected to an output terminal of the programmable logic device U3, and a secondary side of the transformer T1 is used as an output terminal of the electrical pulse circuit to output a pulse signal.

In some embodiments, based on the above technical solution, the electrical pulse circuit provided by the present invention further includes a potentiometer P2, wherein the pulse signal configured at the input end of the programmable logic device U3 is configured through the potentiometer P2, and the potentiometer P2 can adjust the amplitude of the pulse signal configured at the programmable logic device U3. The amplitude of an input pulse signal is changed by utilizing a potentiometer voltage division principle, so that adjustment is realized.

In some embodiments, on the basis of the above technical solution, the present invention provides an electric pulse circuit further comprising an output pulse intensity indicating circuit, including a driving chip U2 and at least one light emitting diode, wherein a cathode of the light emitting diode is connected to an output end of the driving chip U2, and an anode of the light emitting diode is connected to a circuit power supply; the input end of the driving chip U2 is connected with the output end of the programmable logic device U3.

In some embodiments, on the basis of the above technical solution, a resistor R5 and a capacitor C4 are connected in series between the input terminal of the driving chip U2 and the output terminal of the programmable logic device U3.

In some embodiments, based on the above technical solution, the output terminal of the driving chip U2 is grounded through a capacitor C3, and a resistor R7 is connected in parallel across the capacitor C3.

In some embodiments, on the basis of the above technical solution, the driving chip U2 is KA 2284.

In some embodiments, on the basis of the above technical solution, the present invention provides an electric pulse circuit further comprising a power indication circuit, the power indication circuit comprises a light emitting diode D9, an anode of the light emitting diode D9 is connected to a power supply through a resistor R9, and a cathode is connected to a circuit ground.

In some embodiments, on the basis of the above technical solution, a resistor R15 is connected in series between an input end and an output end of the programmable logic device U3; and a capacitor C8 is connected in series between the output end of the other path and the ground.

In some embodiments, based on the above technical solution, the pulse signal is configured at the input end of the programmable logic device U3 through a capacitor C7.

Adopt the utility model discloses above-mentioned technical scheme includes following beneficial effect at least:

1) the circuit adopts the programmable logic device to modulate the input pulse signal, and the programmable logic device has strong programmability, so the circuit can be used for various programming, and the applicability of the circuit is improved; the pulse signal modulated by the programmable logic device is amplified and output by the transformer and can be used by other required equipment.

2) The potentiometer is used for carrying out amplitude adjustment on the input pulse signal configured on the programmable logic device, so that the controllability of the circuit is improved, and the applicability of the circuit is further improved.

3) The indicating circuit can intuitively and effectively indicate the output pulse intensity and the power supply condition, so that the circuit condition is convenient to know.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

fig. 1 is a schematic circuit diagram of an electrical pulse circuit according to the present invention.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art.

Referring to fig. 1, the present invention provides an electrical pulse circuit, which includes a programmable logic device U3 storing a computer program for modulating a pulse signal, which is edited and successfully debugged, a transformer T1 for amplifying the pulse signal modulated by the programmable logic device U3, a potentiometer P2 for adjusting the amplitude of the pulse signal configured at the input end of the programmable logic device U3, an output pulse strength indicating circuit for indicating the output pulse strength of the electrical pulse circuit, and a power indicating circuit for indicating the power state of the electrical pulse circuit. The connection relationship of each functional circuit is as follows: the input end of the potentiometer P2 is used for being configured with a pulse signal, the output end is connected with the input end of the programmable logic device U3, two paths of outputs of the programmable logic device are connected to two ends of the primary side of the transformer T1, and the secondary side of the transformer T1 is used as the output end of the electric pulse circuit and used for outputting the pulse signal to be used by other equipment. The input end of the output pulse strength indicating circuit is connected with the output end of the editable logic device U3, and the output pulse strength indicating circuit controls the indicator light to display strength according to the strength of the output signal of the programmable logic device U3 so as to achieve output strength indication; the power end of the power indicating circuit loads a power supply through a switch P5, and the ground end is connected with the circuit ground; after the switch P5 is turned on, the power indication circuit is in an active state to indicate that the power is on.

Referring to fig. 1, in this embodiment, the output pulse strength indicating circuit includes a driving chip U2, a light emitting diode D1, a light emitting diode D2, a light emitting diode D3, a resistor R7, a capacitor C3, a resistor R6, and a resistor R4, wherein cathodes of the light emitting diode D1, the light emitting diode D2, and the light emitting diode D3 are respectively connected to an output terminal of the driving chip U2, and anodes of the light emitting diode D3 are respectively connected to a circuit power supply through the resistor R6; the capacitor C3 is connected in series between the output end of the driving chip U2 and the ground, the resistor R7 is connected in parallel with the two ends of the capacitor C3, and the capacitor C3 and the resistor R7 are connected in parallel to be used as output filtering of the U2 internal amplifier; the resistor R4 is connected in series between the input terminal of the driver chip U2 and circuit ground. A resistor R5 and a capacitor C4 are connected in series between the input end of the driving chip U2 and the output end of the programmable logic device U3.

In the output pulse intensity indicating circuit, the colors of the light emitting diode D1, the light emitting diode D2 and the light emitting diode D3 can be the same or different; only one led may be required. The driving chip U2 can be any chip capable of driving the light emitting diode to emit light, and KA2284 is used herein.

Of course, the output pulse intensity indicating circuit in the present embodiment is merely illustrative, and other circuit configurations may be employed.

In this embodiment, the power indicator circuit includes a light emitting diode D9, an anode of the light emitting diode D9 is connected to a switch P5 through a resistor R9, and a cathode thereof is connected to the circuit ground. When the switch-on light P5 is turned on, the LED D9 lights to indicate that the power is on.

Referring to fig. 1, in this embodiment, a resistor R15 is also connected in series between the output end of the programmable logic device U3 connected to the input end of the driver chip U2 and the input end of the programmable logic device U3, and the resistor R15 is used as a feedback resistor to determine the gain of the U3 internal amplifier; the output terminal not connected to the input terminal of the driver chip is also grounded through a capacitor C8. A capacitor C9 and a capacitor C12 are also arranged as external circuits, and the specific circuit connection relationship is shown in reference to FIG. 1; the resistor R9 is connected to the switch P5 at one end and is also connected to ground through the capacitor C9. The input end of the programmable logic device U3 is also connected in series with a capacitor C7, and the pulse signal is input into the programmable logic device U3 through the capacitor C7.

The pulse circuit provided by the invention utilizes a programmable logic device U3 to generate a pulse signal with adjustable pulse period and width, and the pulse signal is amplified and then pushed to a transformer T1 serving as an output end to be boosted. The transformer T1 can be used as a pulse transformer to raise the peak-to-peak value of 0-5V pulse signal to a high-voltage low-current signal of 0-500V. The current signal boosted by the transformer T1 can be used for any application, such as acting on human body to achieve therapeutic effect.

The pulse signals generated by the electric pulse circuit provided by the invention can be used for any equipment, such as the application in the medical field to stimulate the phase part of a patient or a wearer by driving the action of an actuating piece; or to a trigger relay; or as clock signals for various digital circuits, high performance chips.

The present disclosure has been described in terms of the above-described embodiments, which are merely exemplary of the implementations of the present disclosure. It must be noted that the disclosed embodiments do not limit the scope of the disclosure. Rather, variations and modifications are possible within the spirit and scope of the disclosure, and these are all within the scope of the disclosure.

Claims

1. An electrical pulse circuit, comprising: the circuit comprises a programmable logic device U3 and a transformer T1, wherein the input end of the programmable logic device U3 is used for pulse signal configuration, the primary side of the transformer T1 is connected with the output end of the programmable logic device U3, and the secondary side of the transformer T1 is used as the output end of an electric pulse circuit to output pulse signals.

2. The electric pulse circuit according to claim 1, wherein: the pulse signal configured at the input end of the programmable logic device U3 is configured through the potentiometer P2, and the potentiometer P2 can perform amplitude adjustment on the pulse signal configured at the programmable logic device U3.

3. The electric pulse circuit according to claim 1 or 2, wherein: the LED driving circuit also comprises an output pulse intensity indicating circuit, wherein the output pulse intensity indicating circuit comprises a driving chip U2 and at least one light-emitting diode, the cathode of the light-emitting diode is connected with the output end of the driving chip U2, and the anode of the light-emitting diode is connected with a circuit power supply; the input end of the driving chip U2 is connected with the output end of the programmable logic device U3.

4. An electrical pulse circuit according to claim 3, wherein: and a resistor R5 and a capacitor C4 are connected in series between the input end of the driving chip U2 and the output end of the programmable logic device U3.

5. An electrical pulse circuit according to claim 3, wherein: the output end of the driving chip U2 is grounded through a capacitor C3, and a resistor R7 is connected in parallel with two ends of the capacitor C3.

6. The electric pulse circuit according to claim 4 or 5, wherein: the driving chip U2 is KA 2284.

7. An electric pulse circuit according to claim 1 or 2, wherein: the power supply indicating circuit comprises a light emitting diode D9, wherein the anode of the light emitting diode D9 is connected with a power supply through a resistor R9, and the cathode is connected with the circuit ground.

8. The electric pulse circuit according to claim 1, wherein: a resistor R15 is connected in series between the input end and one output end of the programmable logic device U3; and a capacitor C8 is connected in series between the output end of the other path and the ground.

9. An electrical pulse circuit according to claim 1, wherein: the pulse signal is configured at the input end of the programmable logic device U3 through a capacitor C7.