CN112763897A - Wearable medical product mainboard function testing device - Google Patents
Wearable medical product mainboard function testing device Download PDFInfo
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- CN112763897A CN112763897A CN202110132740.0A CN202110132740A CN112763897A CN 112763897 A CN112763897 A CN 112763897A CN 202110132740 A CN202110132740 A CN 202110132740A CN 112763897 A CN112763897 A CN 112763897A
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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Abstract
The invention provides the wearable medical product mainboard function testing device which is high in efficiency, ensures the testing quality and has no damage to the product quality. The device comprises a pin point switching assembly (1), a plurality of product testing control assemblies (2), a common function control assembly (3), an upper computer (4), an electromechanical controller (5), a product positioning controller assembly (6), a power supply (7), a USB HUB (8), a network switch (9), a wireless module and a camera (10), wherein each group of testing pin points provided by the pin point switching assembly are connected with a product to be tested, each testing pin point is connected with one product testing control assembly, the other end of each product testing control assembly is respectively connected with the common function control assembly, the USB HUB and the network switch, and the common function control assembly is also respectively connected with the network switch and the camera. The invention can be applied to the field of wearable medical equipment.
Description
Technical Field
The invention relates to the field of wearable medical equipment, in particular to a wearable medical product mainboard function testing device.
Background
In order to improve the production qualification rate and the production efficiency of the wearable medical equipment, improve the production quality, reduce the repair rate and reduce the production cost; it is necessary to perform necessary tests on the functions of the wearable medical device motherboard before assembling it. In addition, the integration level of various main boards is higher and lower, and the size of the main boards is smaller and smaller, particularly for wearable equipment; thus bringing great difficulty to the detection in the production process. The test of the whole machine can be carried out after assembly, or a simple power-on test can be carried out before assembly, or test points can be led out by a customized tool and tested one by one manually.
However, in the above manner in the prior art, the main board is tested after being assembled into a finished product, and if the function of the whole machine is abnormal, the machine needs to be disassembled for maintenance or scrapped, which greatly reduces the production yield and increases the production cost; the mainboard is simply electrified and tested, the detection function is limited, and most functions of the equipment cannot be detected; the customized tool is used for manually testing the test points of the mainboard one by one after being switched out, so that the test time for testing all functions of the product is too long, the efficiency is low, the missed detection or the false detection is easy, the automatic production and the quality control in the production process are not facilitated. Therefore, the prior art is increasingly not suitable for testing the functions of a small mainboard, and a new scheme capable of solving the problems needs to be designed to solve the problems.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the wearable medical product mainboard function testing device which is high in efficiency, ensures the testing quality and has no damage to the product quality.
The technical scheme adopted by the invention is as follows: the device comprises a pin point switching assembly, a plurality of product testing control assemblies, a shared function control assembly, an upper computer, an electromechanical controller, a product positioning control assembly, a power supply, a USB HUB, a network switch, a wireless module and a camera, wherein the power supply supplies power to the whole device, the pin point switching assembly provides at least two groups of testing pin points, each group of testing pin points is connected with a product to be tested, each testing pin point is connected with one product testing control assembly, the other end of each product testing control assembly is respectively connected with the shared function control assembly, the USB HUB and the network switch, the shared function control assembly is also respectively connected with the network switch and the camera, the upper computer is respectively connected with the network switch and the USB HUB, and the wireless module and the electromechanical controller are both connected with the USB HUB, the product positioning control assembly is connected with the electromechanical controller.
The device also comprises a display component, wherein the display component is in electric signal connection with the electromechanical controller and is used for displaying the device state information transmitted by the electromechanical controller.
The product test control assembly comprises a first FPGA chip, a switch switching module, a switch switching control circuit, a DMM module, a POWER module, an ECG module and an EEPROM module,
the first FPGA chip completes test control and is controlled by an upper computer end to send test information of a product to the upper computer;
the switch switching module is connected with the test signal and the product and is controlled by the switch switching control circuit and the first FPGA chip;
the switch switching control circuit controls the switch switching module to work normally and is controlled by the first FPGA chip;
the DMM module is used for testing voltage, current, resistance and capacitance and is controlled by the first FPGA chip;
the POWER module is used for providing a test POWER supply for a product and is controlled by the first FPGA chip;
the ECG module is used for attenuating an input DDS signal and then simulating to generate an electrocardiosignal to be output to a product, and the electrocardiosignal is controlled by the first FPGA chip;
the EEPROM module is used for storing calibration parameters of DMM measurement.
The shared function control assembly comprises a second FPGA chip, a USB interface and an Fgen module, the second FPGA chip is connected with the camera through the USB interface, the second FPGA chip generates DDS signals through the Fgen module and provides the DDS signals for the ECG module of the product test control assembly, and the second FPGA chip is connected with the network switch through a network.
The electromechanical controller comprises an electromechanical MCU, a product positioning control assembly interface and a display assembly interface, the product positioning control assembly interface and the display assembly interface are connected with the electromechanical MCU, a solenoid valve driving module and a motor driving module are further connected between the product positioning control assembly interface and the electromechanical MCU, and the electromechanical MCU is connected with the USB HUB.
The product positioning control assembly comprises an input/output interface, a sensor, a cylinder and a servo motor, wherein the sensor is connected with the input/output interface through an electric signal, the cylinder is controlled through an electromagnetic valve, the servo motor is controlled through a motor controller, the sensor comprises a cylinder in-place sensor used for detecting whether the cylinder is in place, a photoelectric sensor used for detecting whether the motor is in place, and a product in-place sensor used for detecting whether a product is in place, and the product in-place sensor is a photoelectric sensor, a capacitance inductor or an air pressure sensor.
The display component comprises a display input and output control module, and a display input and output interface, a button, an indicator light and a loudspeaker which are connected with the display input and output control module.
The upper computer is used for completing human-computer interaction, acquiring the setting information of an operator, transmitting signals to the electromechanical controller, the camera, the product test control assembly, the wireless module and the FGen module to complete functional tests, then completing USB communication functional tests through the USB HUB, and meanwhile calculating, analyzing, storing and displaying data returned by all parts.
The DDS signal generated by the Fgen module is a positive selection wave signal, a square wave signal, a sawtooth wave signal or a rectangular wave signal.
The wireless module is a Bluetooth module.
The invention has the beneficial effects that: according to the invention, by arranging the needle point switching assembly, the function test of a plurality of wearable medical product main boards can be realized at the same time, the problem of low efficiency caused by a manual one-by-one test mode after the customized tool in the prior art is switched out of the main board test points is effectively solved, and the efficiency is greatly improved; the upper computer is used as a master control system, and the electromechanical controller is controlled to finish the accurate positioning of the product, so that the product and the testing device establish a testing link through the pin point switching assembly; the upper computer establishes basic original information of each tested product through controlling the camera, and then associates test data of product functions, which are completed through the USB HUB, the product test control assembly, the wireless module and the shared function control assembly, with the basic original information, so as to complete functional test of the product and traceable quality control of the production process; meanwhile, the wearable medical product mainboard can be tested simultaneously, the problems that the production cost is increased and the product quality is reduced due to the fact that the mainboard is tested after being assembled into a whole machine can be effectively solved, the defect that other functions of the mainboard cannot be tested due to the fact that the mainboard is simply electrified and tested is also solved, and in addition, the problems of missing detection, false detection, low efficiency and the like caused by the fact that a customized tool is used for testing one by one can be effectively solved; the invention can be easily connected into an automatic production line to control the quality of the generation process, accurately trace the production test process, refine the production and provide data support for iterative design of products.
Drawings
FIG. 1 is a simplified architectural diagram of the present invention;
FIG. 2 is a simplified architecture diagram of the product test control assembly;
FIG. 3 is a simplified architectural diagram of the electromechanical controller;
FIG. 4 is a simplified architectural diagram of the product positioning control assembly;
FIG. 5 is a simplified architectural diagram of the display assembly;
FIG. 6 is a simplified architecture diagram of the common function control assembly;
fig. 7 is a simplified schematic diagram of the power supply.
Detailed Description
The embodiments of the present invention are specifically as follows.
As shown in fig. 1 to 7, the wearable medical product motherboard function testing device of the present invention includes a pin point switching component 1, a plurality of product testing control components 2, a common function control component 3, an upper computer 4, an electromechanical controller 5, a product positioning control component 6, a power supply 7, a USB HUB 8 (USB HUB), a network switch 9, a wireless module, and a camera 10. The upper computer is a computer. Wireless module is bluetooth module, bluetooth module is connected with the USB HUB for detect the bluetooth communication function of product, the host computer end is controlled through the USB HUB. The Bluetooth module is selected from a Green Union US192 USB Bluetooth module. The power supply supplies power to the whole device, and the power supply provides 24V, 12V and 5V direct current power supply. The needle point switching component provides at least two sets of test needle points, and every group test needle point is connected with a product that awaits measuring, and every test needle point is with one product test control assembly is connected, every product test control assembly's the other end respectively with sharing function control assembly USB HUB reaches the network switch is connected, sharing function control assembly still respectively with the network switch reaches the camera is connected, the host computer respectively with the network switch reaches the USB HUB is connected, wireless module reaches electromechanical controller all with the USB HUB is connected, product location control assembly with electromechanical controller is connected.
The pin point switching component introduces the pin points required by the product test into the product test control component from the product, and provides a test link for the product test. The product test control assembly 2 comprises a first FPGA chip 21, a switch switching module 22, a switch switching control circuit 23, a DMM module 24, a POWER module 25, an ECG module 26 and an EEPROM module 27. The first FPGA chip 21 is respectively connected to the network switch 9, the switch switching module 22, the switch switching control circuit 23, the DMM module 24, the POWER module 25, the ECG module 26, and the EEPROM module 27, the switch switching module (22) is connected to the switch switching control circuit 23, the switch switching module 22 is connected to the pin point switching assembly 1, and the ECG module 26 is connected to a DDS signal. The model of the first FPGA chip 21 is ZYNQ 7020 of Xilinx company; the switch switching module is selected from ADG1408 electronic switches of ADI company; the switch switching control circuit adopts a CAT 9555I 2C parallel port conversion chip and an ULN2803 Darlington tube chip for power amplification to control; the DMM module consists of an ADC chip AD7172 of ADI company; the POWER module adopts a POWER operational amplifier OPA569 of TI company to simulate a POWER module for charging and discharging a battery; the ECG module consists of a DDS chip AD9833 of ADI company; the chip model of the EEPROM module is CAT24C 32.
The first FPGA chip 21 completes test control and is controlled by an upper computer end and is responsible for sending test information of a product to the upper computer; the switch switching module is connected with the test signal and the product and is controlled by the switch switching control circuit and the first FPGA chip; the switch switching control circuit controls the switch switching module to work normally and is controlled by the first FPGA chip; the DMM module is used for testing voltage, current, resistance and capacitance and is controlled by the first FPGA chip; the POWER module is used for providing a test POWER supply for a product and is controlled by the first FPGA chip; the ECG module is used for attenuating an input DDS signal and then simulating to generate an electrocardiosignal to be output to a product, and the electrocardiosignal is controlled by the first FPGA chip; the EEPROM module is used for storing calibration parameters of DMM measurement.
The product test control assembly is connected with an upper computer by a network cable after passing through the network switch, and is controlled by test software at the upper computer end to complete the test. The product test control assembly analyzes data sent by the upper computer, completes the test of the corresponding product according to the analyzed information, and returns the relevant test information of the product to the upper computer for the statistical analysis of the upper computer.
The shared function control assembly 3 comprises a second FPGA chip 31, a USB interface 32 and an Fgen module 33, the second FPGA chip is externally connected with the camera through the USB interface, the second FPGA chip generates DDS signals through the Fgen module and provides the DDS signals for the ECG module of the product test control assembly, and the second FPGA chip is connected with the network switch through a network. The model of the second FPGA chip is Xilinx ZYNQ 7020; the Fgen module consists of a DDS chip AD9833 of ADI company.
The shared function control assembly is connected with the upper computer through the network switch. The shared function control assembly controls the camera to scan the two-dimensional codes on the products, transmits the scanned data to the upper computer, and establishes basic original information of each product, so that each test data can be associated with the corresponding main board, and accurate tracing of the test data is realized. The upper computer transmits the setting information to the second FPGA chip, the second FPGA chip controls the FGen module to generate a DDS signal which is provided for the ECG module in the product test control assembly, and the DDS signal generated by the Fgen module is a positive selection wave signal, a square wave signal, a sawtooth wave signal or a rectangular wave signal and the like.
The device also comprises a display component 11, wherein the display component 11 is in electric signal connection with the electromechanical controller 5 and is used for displaying device state information transmitted by the electromechanical controller. The display component is an HMI interface. The state information of the assembly is displayed, and a means for completing off-line test operation under the condition of no upper computer is provided. Under the state, the relevant information of the product cannot be transmitted to the upper computer in real time, and the test can be carried out only according to the parameters preset by the upper computer. Its function is to display the device status information transmitted by the electromechanical controller and to transmit the operator's test request to the electromechanical controller. The display module 11 includes a display input/output control module 111, and a display input/output interface 112, a button 113, an indicator light, and a speaker 114, which are all connected to the display input/output control module 111. The indicator light and the horn 114 are used for outputting the current state of the device, and the button 113 is used for inputting operation information, such as test and reset, which the operator desires to perform by the device. The display input/output control module 111 controls the indicator light or the loudspeaker to output relevant information according to the instruction transmitted by the electromechanical controller, and transmits the control information input by the operator to the electromechanical controller for control.
The electromechanical controller comprises an electromechanical MCU 51, a product positioning control component interface 52 and a display component interface 53, wherein the product positioning control component interface 52 and the display component interface 53 are connected with the electromechanical MCU 51, an electromagnetic valve driving module 54 and a motor driving module 55 are further connected between the product positioning control component interface 52 and the electromechanical MCU 51, and the electromechanical MCU is connected with the USB HUB. The electromechanical MCU is selected from a single chip microcomputer with the model number of STM32F 407.
The electromechanical controller receives and processes control information transmitted from the upper computer terminal, and controls the product positioning control assembly to complete the connection of the product and the device according to the information; and receives the product position information transmitted by the product positioning control assembly so as to send out accurate control operation (such as two-dimensional code identification and starting test of the product); meanwhile, the current state information of the device is transmitted to a display component for output; and receiving a test instruction sent by the display component, transmitting the test instruction to an upper computer end after judging that the test instruction is effective, and controlling by the upper computer end to finish the test operation of the product. The electromagnetic valve driving module controls an electromagnetic valve used for driving the product positioning control assembly; the motor driving module is used for driving a motor controller of the product positioning control assembly. And the electromechanical MCU is used for receiving and processing various types of state information sent by each sensor of the product positioning control assembly and communicating with the upper computer terminal. And carrying out correct control according to the transmitted information from the upper computer terminal, and simultaneously sending the related information to the upper computer terminal so that the upper computer terminal can execute test operation.
The product positioning control assembly 6 comprises an input/output interface 61, sensors, an air cylinder 63 and a servo motor 65, wherein the sensors are connected with the input/output interface 61 through electric signals, the air cylinder 63 is controlled by an electromagnetic valve 62, the servo motor 65 is controlled by a motor controller 64, the sensors comprise an air cylinder in-place sensor 66 for detecting the in-place of the air cylinder, a photoelectric sensor 67 for detecting whether the motor is in-place, and a product in-place sensor 68 for detecting whether the product is in-place, and the product in-place sensor is a photoelectric sensor, a capacitance inductor or an air pressure sensor. The product positioning control assembly completes the connection operation of the product and the device according to the instruction sent by the electromechanical controller, and returns the relevant information generated in the execution process to the electromechanical controller. The product in-place detection sensor is used for detecting whether a product is placed at a specified position (detection can be completed by sensors such as a photoelectric sensor, a capacitor and an air pressure sensor) and transmitting the state to the electromechanical controller through the input and output interface; the electromagnetic valve is used for controlling the cylinder to fix a product on the device, and the cylinder in-place sensor is used for detecting the state of the cylinder and transmitting the state to the electromechanical controller through the input and output interface. The motor controller controls the motor to move the product to a specified position according to the instruction transmitted by the relay controller so as to place or take out the product or test the product. The photoelectric sensor transmits the position information of the movement of the product to the electromechanical controller.
The upper computer is used for completing human-computer interaction, acquiring the setting information of an operator, transmitting signals to the electromechanical controller, the camera, the product test control assembly, the wireless module and the FGen module to complete functional tests, then completing USB communication functional tests through the USB HUB, and meanwhile calculating, analyzing, storing and displaying data returned by all parts.
USB HUB connects USB test port, electromechanical control ware and the bluetooth module of product, and the host computer end passes through USB HUB and accomplishes their control to reach the test purpose. The test is started or stopped by the electromechanical controller.
The network switch is connected with the product test control component and the shared function test component, and the upper computer end completes the presetting of test parameters of each product through the network switch.
The test structure of the invention is easy to expand the number of products which can be tested simultaneously, and one station can complete various functional tests on the main board of the wearable medical product; the test data can be easily corresponding to the product through the camera, so that the test data is associated with the product, and the accurate tracing of the production detection process is realized. In addition, the device can be used for program-controlled testing, is easy to access an automatic production line, and can be used for simultaneously testing the functions of multiple products.
Compared with the prior art, the invention greatly improves the production efficiency and the product production qualification rate and ensures the product quality; greatly reduces the production cost, and also greatly reduces the reduction of the production qualification rate and the product quality caused by human factors; the statistical analysis of the test data is realized, and the iterative design of the product is facilitated; and the production process is accurately traced, which is far superior to the current tracing mode according to production batches.
Claims (10)
1. The utility model provides a wearing formula medical product mainboard functional test device which characterized in that: the device comprises a pin point switching assembly (1), a plurality of product testing control assemblies (2), a shared function control assembly (3), an upper computer (4), an electromechanical controller (5), a product positioning controller assembly (6), a power supply (7), a USB HUB (8), a network switch (9), a wireless module and a camera (10), wherein the power supply (7) supplies power to the whole device, the pin point switching assembly (1) provides at least two groups of testing pin points, each group of testing pin points is connected with a product to be tested, each testing pin point is connected with one product testing control assembly (2), the other end of each product testing control assembly (2) is respectively connected with the shared function control assembly (3), the USB HUB (8) and the network switch (9), and the shared function control assembly (3) is also respectively connected with the network switch (9) and the camera (10), host computer (4) respectively with network switch (9) reach USB HUB (8) are connected, wireless module reaches electromechanical controller (5) all with USB HUB (8) are connected, product positioning controller subassembly (6) with electromechanical controller (5) are connected.
2. The wearable medical product mainboard function testing device of claim 1, characterized in that: the device also comprises a display component (11), wherein the display component (11) is in electric signal connection with the electromechanical controller (5), and the display component is used for displaying the device state information transmitted by the electromechanical controller.
3. The wearable medical product mainboard function testing device of claim 1, characterized in that: the product test control component (2) comprises a first FPGA chip (21), a switch switching module (22), a switch switching control circuit (23), a DMM module (24), a POWER module (25), an ECG module (26) and an EEPROM module (27),
the first FPGA chip (21) completes test control and is controlled by an upper computer end and is responsible for sending test information of a product to the upper computer;
the switch switching module (22) is connected with a test signal and a product and is controlled by the switch switching control circuit and the first FPGA chip;
the switch switching control circuit (23) controls the switch switching module to work normally and is controlled by the first FPGA chip;
the DMM module (24) is used for testing voltage, current, resistance and capacitance and is controlled by the first FPGA chip;
the POWER module (25) is used for providing a test POWER supply for a product and is controlled by a first FPGA chip;
the ECG module (26) attenuates the input DDS signal, simulates the input DDS signal to generate an electrocardiosignal, outputs the electrocardiosignal to a product and is controlled by the first FPGA chip;
the EEPROM module (27) is used for storing calibration parameters of DMM measurements.
4. The wearable medical product mainboard function testing device of claim 3, characterized in that: the common function control assembly (3) comprises a second FPGA chip (31), a USB interface (32) and an Fgen module (33), the second FPGA chip (31) is externally connected with the camera (10) through the USB interface (32), the second FPGA chip (31) generates DDS signals through the Fgen module (33) and provides the DDS signals for the ECG module (26), and the second FPGA chip (31) is connected with the network switch (9) through a network.
5. The wearable medical product mainboard function testing device of claim 2, characterized in that: electromechanical controller (5) include electromechanical MCU (51), product positioning control subassembly interface (52) and display module interface (53), product positioning control subassembly interface (52) reach display module interface (53) all with electromechanical MCU (51) is connected, product positioning control subassembly interface (52) with still be connected with solenoid valve drive module (54) and motor drive module (55) between electromechanical MCU (51), electromechanical MCU (51) with USB HUB (8) are connected.
6. The wearable medical product mainboard function testing device of claim 5, characterized in that: product location controller subassembly (6) including input/output interface (61) and all with input/output interface (61) looks electric signal connection's sensor, cylinder (63) through solenoid valve (62) control, servo motor (65) through motor controller (64) control, the sensor is including cylinder that is used for detecting the cylinder and targets in place sensor (66), is used for detecting photoelectric sensor (67) that the motor targets in place, is used for detecting the product that the product targets in place sensor (68) whether the product targets in place, the product targets in place the sensor and is photoelectric sensor, electric capacity inductor or baroceptor.
7. The wearable medical product mainboard function testing device of claim 2, characterized in that: the display component (11) comprises a display input and output control module (111), and a display input and output interface (112), a button (113), an indicator light and a loudspeaker (114) which are connected with the display input and output control module (111).
8. The wearable medical product mainboard function testing device of claim 4, characterized in that: the upper computer is used for completing human-computer interaction, acquiring the setting information of an operator, transmitting signals to the electromechanical controller, the camera, the product test control assembly, the wireless module and the FGen module to complete functional tests, then completing USB communication functional tests through the USB HUB, and meanwhile calculating, analyzing, storing and displaying data returned by all parts.
9. The wearable medical product mainboard function testing device of claim 4, characterized in that: the DDS signal generated by the Fgen module (33) is a positive selection wave signal, a square wave signal, a sawtooth wave signal or a rectangular wave signal.
10. The wearable medical product mainboard function testing device of claim 1 or 8, wherein: the wireless module is a Bluetooth module.
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| CN202110132740.0A CN112763897A (en) | 2021-02-01 | 2021-02-01 | Wearable medical product mainboard function testing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115629288A (en) * | 2022-09-06 | 2023-01-20 | 广东若铂智能机器人有限公司 | Servo driver power board quality inspection system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115629288A (en) * | 2022-09-06 | 2023-01-20 | 广东若铂智能机器人有限公司 | Servo driver power board quality inspection system |
| CN115629288B (en) * | 2022-09-06 | 2024-05-24 | 广东若铂智能机器人有限公司 | Servo driver power board quality inspection system |
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