CN-224231915-U - Test fixture of hydrodynamic force treatment equipment PCB board

CN224231915UCN 224231915 UCN224231915 UCN 224231915UCN-224231915-U

Abstract

The utility model provides a test fixture for a PCB of hydrodynamic therapy equipment, and relates to the technical field of test fixtures. The tool comprises a control switch, a main control chip, a power supply circuit and a motor control circuit, wherein the power supply circuit is connected with the main control chip, the motor control circuit is connected with the main control chip, the control switch comprises a power failure analog switch and a motor failure analog switch, the power failure analog switch is connected with a first trigger pin of the main control chip and used for controlling the on-off of the power supply circuit, and the motor failure analog switch is connected with a second trigger pin of the main control chip and used for controlling the on-off of the motor control circuit. The tool can simulate the condition of power failure or motor failure, does not need to frequently disassemble the electric wire, and is simple in operation process.

Inventors

QI MIN
Yan Chaoda
GUAN YU
XIE ZIHAO
LIN CHEN
ZHAO ZHEN
XIAO PENG

Assignees

杭州归领医疗器械有限公司

Dates

Publication Date: 20260512
Application Date: 20250519

Claims (9)

1. The test fixture for the PCB of the hydrodynamic treatment equipment is characterized by comprising a control switch, a main control chip, a power supply circuit and a motor control circuit; the power supply circuit is connected with the main control chip, and the motor control circuit is connected with the main control chip; The control switch comprises a power failure simulation switch and a motor failure simulation switch, wherein the power failure simulation switch is connected with a first trigger pin of the main control chip and used for controlling the on-off of a power circuit, and the motor failure simulation switch is connected with a second trigger pin of the main control chip and used for controlling the on-off of a motor control circuit.
2. The tool for testing the PCB of the hydrodynamic therapeutic apparatus according to claim 1, wherein the motor control circuit includes a first switch, a fixed end of the first switch is connected to an interface of one end of the hall sensor of the brushless motor, a movable end of the first switch is connected to an interface of the other end of the hall sensor of the brushless motor, and a control end of the first switch is connected to the main control chip.
3. The tool for testing a PCB of a hydrodynamic therapeutic apparatus according to claim 1, wherein the power supply circuit includes a second switch, a fixed end of the second switch is connected to an interface of one end of the first power supply, a movable end of the second switch is connected to an interface of the other end of the first power supply, and a control end of the second switch is connected to the main control chip.
4. The tool for testing a PCB of a hydrodynamic therapeutic apparatus according to claim 1, wherein the motor control circuit further comprises an electric regulator, a PWM signal output pin of the main control chip is connected to a PWM signal input pin of the electric regulator, a hall signal input end of the electric regulator is connected to a signal output end of a hall sensor of the brushless motor, a control output end of the electric regulator is connected to the brushless motor, a power failure output pin of the electric regulator is connected to a power failure input pin of the main control chip, and a motor failure output pin of the electric regulator is connected to a motor failure input pin of the main control chip.
5. The tool for testing the PCB of the hydrodynamic therapeutic apparatus according to claim 1, further comprising an indication circuit, wherein the indication circuit comprises two parallel indicator lamps, one ends of the two indicator lamps are connected to the power supply interface of the main control chip, the other end of one indicator lamp is connected to the first indicator pin of the main control chip, and the other end of the other indicator lamp is connected to the second indicator pin of the main control chip.
6. The tool for testing the PCB of the hydrodynamic therapeutic apparatus according to claim 1, further comprising a power conversion circuit, wherein the power conversion circuit comprises a power conversion chip, an input end of the power conversion chip is connected to the second power supply, and an output end of the power conversion chip is connected to a power supply interface of the main control chip.
7. The tool for testing the PCB of the hydrodynamic therapeutic apparatus according to claim 2, wherein when the first switch is a first relay, one end of a control coil of the first relay is connected to the power supply interface of the main control chip, and the other end of the control coil of the first relay is connected to the first control pin of the main control chip.
8. The test fixture of the PCB of the hydrodynamic therapeutic apparatus according to claim 3, wherein when the second switch is a second relay, one end of a control coil of the second relay is connected with a power supply interface of the main control chip, and the other end of the control coil of the second relay is connected with a second control pin of the main control chip.
9. The tool for testing a PCB of a hydrodynamic therapeutic apparatus according to claim 1, wherein the control switch further comprises a start switch and a shift switch, the start switch is connected to the third trigger pin of the main control chip, and the shift switch is connected to the fourth trigger pin of the main control chip.

Description

Test fixture of hydrodynamic force treatment equipment PCB board Technical Field The utility model relates to the technical field of test tools, in particular to a test tool for a PCB of hydrodynamic treatment equipment. Background The existing technical scheme for detecting the water jet power panel is that a PCB is mounted on an assembled host, and then various parameters of the assembled host are tested by manual actions after power-on. For example, when the PCB board needs to detect power failure and alarm, the existing method simulates the power failure by removing a 240V power line in the power supply, and when detecting motor failure (pressure overrun) and alarm, the existing method simulates the motor failure (pressure overrun) by removing a three-phase power line or a sensor line of the motor. In the existing detection process, a special matched host and foot switch are needed, the PCB is also fixed by screws, during detection, the corresponding wires are required to be dismantled to simulate faults, potential safety hazards exist in the dismantling of the high-voltage lines, the operation of related professionals of the circuits is required, and the detection result is not popular and easy to understand. The whole existing detection process is complex, time and labor cost is high, and detection universality is not strong. Disclosure of utility model The utility model aims to solve the problems that the existing PCB detection process is complex, the time and labor cost is high, and the detection universality is not strong. In order to solve the problems, in a first aspect, the utility model provides a test fixture for a PCB of a hydrodynamic treatment device, which comprises a control switch, a main control chip, a power supply circuit and a motor control circuit; the power supply circuit is connected with the main control chip, and the motor control circuit is connected with the main control chip; The control switch comprises a power failure simulation switch and a motor failure simulation switch, wherein the power failure simulation switch is connected with a first trigger pin of the main control chip and used for controlling the on-off of a power circuit, and the motor failure simulation switch is connected with a second trigger pin of the main control chip and used for controlling the on-off of a motor control circuit. Optionally, the motor control circuit includes a first switch, the stiff end of a first switch links to each other with brushless motor's hall sensor's one end interface, the expansion end of a first switch links to each other with brushless motor's hall sensor's other end interface, the control end of a first switch links to each other with main control chip. Optionally, the power supply circuit includes a second switch, the stiff end of the second switch links to each other with the one end interface of first power, the expansion end of the second switch links to each other with the other end interface of first power, the control end of the second switch links to each other with main control chip. Optionally, the motor control circuit further includes an electric regulator, the PWM signal output pin of the main control chip is connected with the PWM signal input pin of the electric regulator, the hall signal input end of the electric regulator is used for being connected with the signal output end of the hall sensor of the brushless motor, the control output end of the electric regulator is connected with the brushless motor, the power failure output pin of the electric regulator is connected with the power failure input pin of the main control chip, and the motor failure output pin of the electric regulator is connected with the motor failure input pin of the main control chip. Optionally, the test fixture of the PCB of the hydrodynamic therapy device further comprises an indicating circuit, wherein the indicating circuit comprises two indicator lamps connected in parallel, one end of each of the two indicator lamps is connected with the power supply interface of the main control chip, the other end of each of the two indicator lamps is connected with the first indicating pin of the main control chip, and the other end of each of the two indicator lamps is connected with the second indicating pin of the main control chip. Optionally, the test fixture of the PCB of the hydrodynamic therapy device further comprises a power conversion circuit, the power conversion circuit comprises a power conversion chip, the input end of the power conversion chip is connected with the second power supply, and the output end of the power conversion chip is connected with a power supply interface of the main control chip. Optionally, when the first switch is a first relay, one end of a control coil of the first relay is connected with a power supply interface of the main control chip, and the other end of the control coil of the first relay is connected with a first control pin of the main contro