CN216904697U

CN216904697U - Intermediate frequency chip booster circuit for electric pulse physiotherapy equipment

Info

Publication number: CN216904697U
Application number: CN202123229861.1U
Authority: CN
Inventors: 袁海六; 郝强地
Original assignee: Shenzhen Xinkang Health Technology Co ltd
Current assignee: Shenzhen Xinkang Health Technology Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-07-05
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses an intermediate frequency chip booster circuit for electric pulse physiotherapy equipment, and belongs to the technical field of booster circuits. The circuit comprises a boosting chip, a control module and a boosting protection module, wherein the control module and the boosting protection module are connected to the boosting chip. Compared with the prior art, the utility model has the beneficial effects that: according to the intermediate frequency chip booster circuit, the pulse circuit is boosted through the booster chip, the boosting effect is stable, the continuity is good, and the use comfort of a user can be well improved.

Description

Intermediate frequency chip booster circuit for electric pulse physiotherapy equipment

Technical Field

The utility model belongs to the technical field of booster circuits, and particularly relates to an intermediate frequency chip booster circuit for electric pulse physiotherapy equipment.

Background

The electric pulse physical therapy method can simulate the Chinese medical techniques of pressing, rubbing, pushing, holding, rubbing and the like, and stimulate the preset part of the human body by micro electric pulses, thereby realizing the stimulation of human tissues such as skin, muscle, nerve, blood vessel and the like at the appointed position of the human body, and finally achieving the human health auxiliary effects of improving metabolism, relaxing muscle, improving the body fluid environment of the human body, promoting the blood circulation of the human body, dredging the channels and collaterals and the like.

The existing small-sized electric pulse physiotherapy equipment adopts intermediate frequency boosting, the boosting mode is realized through an inductor, the inductor boosting is unstable, the condition that energy cannot come exists, and the requirement on human body comfort can not be met during use.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, an object of the present invention is to provide an if chip voltage boost circuit, which boosts voltage for a pulse circuit through a voltage boost chip, has stable voltage boost effect and good persistence, and can improve the comfort of users.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

the utility model provides an intermediate frequency chip booster circuit for electric pulse physiotherapy equipment, which comprises a booster chip, a control module and a booster protection module, wherein the control module and the booster protection module are connected to the booster chip.

Further, the control module comprises a radio frequency resistor RF19, a radio frequency resistor RF30 and a breaker QF4, the radio frequency resistor RF19 and the radio frequency resistor RF30 are both connected to a CE pin of the boost chip, and the CE pin and the radio frequency resistor RF30 are connected through the breaker QF 4. In the utility model, the control module is used for controlling the circuit of the power supply of the boost chip, when the equipment is shut down, the power supply of the boost chip is disconnected, and after the power supply is disconnected, the boost chip does not consume electric quantity, so that the power consumption of the equipment can be reduced, and the service life of the equipment can be prolonged.

Further, the protection module that steps up is including the unit, the protection unit that step up, the unit that steps up is including circuit breaker QF1, circuit breaker QF2, the inductance that steps up, the protection unit is established ties mutually through the inductance that steps up and circuit breaker QF1, circuit breaker QF2, circuit breaker QF1 inserts the LD pin of the chip that steps up, circuit breaker QF2 inserts the HD pin of the chip that steps up.

Further, the protection unit comprises a radio frequency resistor RF15, a radio frequency resistor RF13, a radio frequency resistor RF12 and a capacitor CF5, wherein the radio frequency resistor RF15, the radio frequency resistor RF13, the radio frequency resistor RF12 and the capacitor CF5 form a closed loop and are connected to an SNS1P pin and an SNS1N pin of the boost chip. In the utility model, an external single chip microcomputer inputs PWM of 10K-100K through a VPWM pin of a boosting chip to accurately adjust boosted output voltage, and the boosting chip boosts the voltage through a circuit breaker QF1, a circuit breaker QF2 and other 2.2uh inductors on LD and HD pins. The radio frequency resistor RF15, the radio frequency resistor RF13, the radio frequency resistor RF12 and the capacitor CF5 form a current protection circuit, when the output current is increased to the set upper limit of the chip, the voltage boosting chip can read the current on the radio frequency resistor RF15 and judge whether the subsequent output is over-current, if the current exceeds the set range, the LD and HD outputs of the output chip are closed, and the perfect closed-loop operation can quickly protect the chip from being damaged.

Further, the circuit further comprises a discharge module, the discharge module comprises a radio frequency resistor RF17, a radio frequency resistor RF18, a radio frequency resistor RF27 and a circuit breaker QF3, the radio frequency resistor RF17 and the radio frequency resistor RF27 are connected in parallel and then are connected with the radio frequency resistor RF18 through the circuit breaker QF3, and the radio frequency resistor RF18 is connected to a VOUT pin of the boost chip. In the utility model, when the main MCU outputs the waveform, in order to output a clean and comfortable waveform, the boosted power is put down when the waveform output is stopped, so that clutter is not input into a human body, discomfort caused by interference waves to the human body is avoided, and the comfort of a user is improved.

Further, the circuit also comprises a loop compensation module, wherein the loop compensation module comprises a radio frequency resistor RF5, a capacitor CF1 and a capacitor CF11, the capacitor CF1 is connected in series with the radio frequency resistor RF5 and then connected in parallel with a capacitor CF11, and then the capacitor CF1 is connected to a COMP pin of the boost chip.

Further, the circuit further comprises a chip current setting module, wherein the chip current setting module comprises a radio frequency resistor RF3, a capacitor CF9, a capacitor CF10 and a radio frequency resistor RF4, the radio frequency resistor RF3 and the capacitor CF9 are connected in parallel and then connected to an ILIM1 pin of the boost chip, and the capacitor CF10 and the radio frequency resistor RF4 are connected in parallel and then connected to an OLIM2 pin of the boost chip.

Further, the circuit also comprises a boost output voltage setting module, wherein the boost output voltage setting module comprises a radio frequency resistor RF6 and a radio frequency resistor RF7, and the radio frequency resistor RF6 and the radio frequency resistor RF7 are connected in parallel and then connected to the FB pin of the boost chip.

Compared with the prior art, the utility model has the beneficial effects that: according to the intermediate frequency chip booster circuit, the pulse circuit is boosted through the booster chip, the boosting effect is stable, the continuity is good, and the use comfort of a user can be well improved.

Drawings

Fig. 1 is a circuit schematic of the present invention.

Fig. 2 is a schematic circuit diagram of the boost chip of the present invention.

Fig. 3 is a circuit schematic of the control module of the present invention.

Fig. 4 is a circuit schematic of the boost protection module of the present invention.

Fig. 5 is a circuit schematic of the discharge module of the present invention.

Fig. 6 is a circuit schematic of the loop compensation module of the present invention.

Fig. 7 is a circuit schematic of the chip current setting module of the present invention.

Fig. 8 is a circuit schematic of the boost output voltage setting module of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

please refer to fig. 1-8. The embodiment provides an intermediate frequency chip boost circuit for electric pulse physiotherapy equipment, and this circuit is including chip 1, control module 2, the protection module 3 that steps up of stepping up, control module 2, the protection module 3 that steps up all insert the chip that steps up.

The control module 2 comprises a radio frequency resistor RF19, a radio frequency resistor RF30 and a breaker QF4, wherein the radio frequency resistor RF19 and the radio frequency resistor RF30 are both connected to a CE pin of the boost chip, and the CE pin and the radio frequency resistor RF30 are connected through the breaker QF 4. In this embodiment, the control module is used for controlling the circuit of the power supply of the boost chip, and when the device is turned off, the power supply of the boost chip is turned off, and after the power supply is turned off, the boost chip does not consume electric quantity, so that the power consumption of the device can be reduced, and the service life of the device can be prolonged.

Boost protection module 3 is including the unit, the protection unit that steps up, the unit that steps up is including circuit breaker QF1, circuit breaker QF2, the inductance that steps up, the protection unit is established ties mutually with circuit breaker QF1, circuit breaker QF2 through the inductance that steps up, circuit breaker QF1 inserts the LD pin that steps up the chip, circuit breaker QF2 inserts the HD pin that steps up the chip.

The protection unit comprises a radio frequency resistor RF15, a radio frequency resistor RF13, a radio frequency resistor RF12 and a capacitor CF5, wherein the radio frequency resistor RF15, the radio frequency resistor RF13, the radio frequency resistor RF12 and the capacitor CF5 form a closed loop and are connected to an SNS1P pin and an SNS1N pin of the boost chip. In the embodiment, an external single chip microcomputer inputs PWM of 10K-100K through a VPWM pin of a boosting chip to accurately adjust boosted output voltage, and the boosting chip boosts the voltage through inductors of a circuit breaker QF1, a circuit breaker QF2 and other 2.2uh on LD and HD pins. The radio frequency resistor RF15, the radio frequency resistor RF13, the radio frequency resistor RF12 and the capacitor CF5 form a current protection circuit, when the output current is increased to the set upper limit of the chip, the voltage boosting chip can read the current on the radio frequency resistor RF15 and judge whether the subsequent output is over-current, if the current exceeds the set range, the LD and HD outputs of the output chip are closed, and the perfect closed-loop operation can quickly protect the chip from being damaged.

The circuit further comprises a discharge module 4, wherein the discharge module 4 comprises a radio frequency resistor RF17, a radio frequency resistor RF18, a radio frequency resistor RF27 and a breaker QF3, the radio frequency resistor RF17 and the radio frequency resistor RF27 are connected in parallel and then are connected with the radio frequency resistor RF18 through the breaker QF3, and the radio frequency resistor RF18 is connected to a VOUT pin of the boost chip. In this embodiment, when main MCU output waveform, in order to export clean comfortable waveform, can put the electricity that steps up when waveform output stops, just so can not have the clutter to input in the health, avoid appearing interference wave and cause the discomfort to the human body, promote user's comfort.

The circuit further comprises a loop compensation module 5, wherein the loop compensation module 5 comprises a radio frequency resistor RF5, a capacitor CF1 and a capacitor CF11, the capacitor CF1 is connected in series with the radio frequency resistor RF5 and then connected in parallel with a capacitor CF11, and then the capacitor CF1 is connected to a COMP pin of the boost chip.

The circuit further comprises a chip current setting module 6, wherein the chip current setting module 6 comprises a radio frequency resistor RF3, a capacitor CF9, a capacitor CF10 and a radio frequency resistor RF4, the radio frequency resistor RF3 and the capacitor CF9 are connected in parallel and then connected to an ILIM1 pin of the boost chip, and the capacitor CF10 and the radio frequency resistor RF4 are connected in parallel and then connected to an OLIM2 pin of the boost chip.

The circuit further comprises a boost output voltage setting module 7, wherein the boost output voltage setting module 7 comprises a radio frequency resistor RF6 and a radio frequency resistor RF7, and the radio frequency resistor RF6 and the radio frequency resistor RF7 are connected in parallel and then connected to an FB pin of the boost chip.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an intermediate frequency chip boost circuit for electric pulse physiotherapy equipment which characterized in that, this circuit is including chip, the control module, the protection module that steps up, control module, the protection module that steps up all insert the chip that steps up.

2. The intermediate frequency chip booster circuit for electric pulse physiotherapy equipment according to claim 1, wherein the control module comprises a radio frequency resistor RF19, a radio frequency resistor RF30 and a circuit breaker QF4, the radio frequency resistor RF19 and the radio frequency resistor RF30 are both connected to a CE pin of the booster chip, and the CE pin and the radio frequency resistor RF30 are connected through the circuit breaker QF 4.

3. The intermediate-frequency chip booster circuit for electric pulse physiotherapy equipment of claim 1, wherein the booster protection module comprises a booster unit and a protection unit, the booster unit comprises a circuit breaker QF1, a circuit breaker QF2 and a booster inductor, the protection unit is connected with a circuit breaker QF1 and a circuit breaker QF2 in series through the booster inductor, the circuit breaker QF1 is connected to an LD pin of the booster chip, and the circuit breaker QF2 is connected to an HD pin of the booster chip.

4. The intermediate frequency chip voltage boosting circuit for electric pulse physiotherapy equipment according to claim 3, wherein said protection unit comprises a radio frequency resistor RF15, a radio frequency resistor RF13, a radio frequency resistor RF12, and a capacitor CF5, and said radio frequency resistor RF15, radio frequency resistor RF13, radio frequency resistor RF12, and capacitor CF5 form a closed loop and are connected to SNS1P pin and SNS1N pin of the voltage boosting chip.

5. The intermediate frequency chip booster circuit for electric pulse physiotherapy equipment according to claim 1, further comprising a discharge module, wherein the discharge module comprises a radio frequency resistor RF17, a radio frequency resistor RF18, a radio frequency resistor RF27 and a circuit breaker QF3, the radio frequency resistor RF17 and the radio frequency resistor RF27 are connected in parallel and then connected with the radio frequency resistor RF18 through the circuit breaker QF3, and the radio frequency resistor RF18 is connected to a VOUT pin of the booster chip.

6. The intermediate frequency chip booster circuit for the electric pulse physiotherapy equipment according to claim 1, further comprising a loop compensation module, wherein the loop compensation module comprises a radio frequency resistor RF5, a capacitor CF1 and a capacitor CF11, the capacitor CF1 is connected in series with the radio frequency resistor RF5 and then connected in parallel with the capacitor CF11, and then connected to a COMP pin of the booster chip.

7. The intermediate frequency chip voltage boost circuit for electric pulse physiotherapy equipment according to claim 1, further comprising a chip current setting module, wherein said chip current setting module comprises a radio frequency resistor RF3, a capacitor CF9, a capacitor CF10 and a radio frequency resistor RF4, said radio frequency resistor RF3 and said capacitor CF9 are connected in parallel and then connected to ILIM1 pin of the voltage boost chip, and said capacitor CF10 and said radio frequency resistor RF4 are connected in parallel and then connected to OLIM2 pin of the voltage boost chip.

8. The intermediate frequency chip voltage boost circuit for electric pulse physiotherapy equipment according to claim 1, further comprising a voltage boost output voltage setting module, said voltage boost output voltage setting module comprising a radio frequency resistor RF6 and a radio frequency resistor RF7, said radio frequency resistor RF6 and said radio frequency resistor RF7 being connected in parallel and then connected to the FB pin of the voltage boost chip.