A multi-channel medical management power supply

By designing multiple medical management power supplies, the problems of different power supply demands and high-voltage interference of ultrasonic equipment are solved, and the multi-channel power management and intelligent adjustable high voltage are realized, which meets the diversified needs of ultrasonic equipment and improves the performance and service life of equipment.

CN111834992BActive Publication Date: 2025-01-14ZHUHAI XINHE ELECTR ONIC CO LTD
View PDF 3 Cites 0 Cited by

Patent Information

Application Number
CN202010782188.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-08-06
Publication Date
2025-01-14
Estimated Expiration
2040-08-06

AI Technical Summary

Technical Problem

The existing medical ultrasound equipment has different power supply requirements for ultrasonic motherboards, operating panels and monitors. The high-voltage transmitting signal of the probe will interfere with the ultrasonic image and affect the performance of the equipment. The different application scenarios of color Doppler ultrasonic equipment have different requirements for the transmission voltage, which lacks Unified multi-channel management power supply solution.

Method used

Design a multi-channel medical management power supply, including a power box and a power management circuit, which can output multiple voltages, and is realized through AC-DC module, MCU timing control circuit, positive high voltage module, negative high voltage module and high voltage output control circuit. 5 sets of voltage outputs support the power supply requirements of different equipment, and improves the heat dissipation and fixability of the power management circuit through heat dissipation devices and fixing devices.

Benefits of technology

Multi-channel power management for ultrasonic equipment is realized, which meets the power supply needs of different equipment, avoids high-voltage interference, improves equipment performance, and meets customer requirements through intelligent adjustable high-voltage and timing control, extending the service life of the power management circuit.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN111834992B_ABST
    Figure CN111834992B_ABST
Patent Text Reader

Abstract

The present invention discloses a multi-channel medical management power supply, comprising a power supply box, a power supply management circuit and an equipment application end. The power supply box is provided with a power supply management circuit inside, and the power supply management circuit is connected to the equipment application end. The power supply box is used to control the power supply management circuit, and the power supply management circuit can provide working current for the equipment application end. The power supply management circuit comprises a positive high-voltage module, a negative high-voltage module, and a high-voltage output control circuit. The positive high-voltage module and the negative high-voltage module are used to provide multi-channel output power, and the high-voltage output control circuit is used to control the positive high-voltage module and the negative high-voltage module. The present invention is scientific and reasonable, safe and convenient to use, and can provide multi-channel output power for medical ultrasound equipment by using the positive high-voltage module and the negative high-voltage module. The high-voltage setting is intelligent and adjustable, and can generate corresponding power according to different application scenarios to meet the needs of ultrasound equipment.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to the technical field of medical equipment, in particular to a multi-channel medical management power supply. Background Art

[0002] Medical ultrasound equipment is a device that detects human tissue information and images through ultrasound. It is a commonly used diagnostic method in clinical practice. It is mainly composed of four parts: display, operation panel, host and probe. Due to the advantages of ultrasound imaging such as safety, non-invasiveness, portability, ease of use and low price, ultrasound examination has become one of the four major medical imaging technologies at the end of the 20th century. Currently, ultrasound widely used in clinical practice is mainly divided into B-ultrasound and color ultrasound. Color ultrasound obtains richer information. B-type ultrasound diagnostic equipment in supermarkets detects pulse echo intensity information and converts it into a two-dimensional grayscale image to reflect a certain section of human tissue. Color ultrasound is a color Doppler ultrasound diagnosis Color Doppler ultrasound is a device that uses Doppler frequency signals to detect blood flow or tissue movement information. After color coding, it is superimposed with a two-dimensional grayscale image for display. Color ultrasound can not only display tissue fault structure information, but also provide hemodynamics or tissue movement information. However, existing medical ultrasound equipment has different power supply requirements for the ultrasound motherboard, operation panel and display. The high-voltage transmission signal of the probe in the ultrasound industry built-in ultrasound motherboard will interfere with the ultrasound image and affect the performance of the product. In addition, different application scenarios of color Doppler ultrasound equipment have different requirements for the transmission voltage. Therefore, people urgently need a multi-channel medical management power supply to solve the above problems. Summary of the invention

[0003] The purpose of the present invention is to provide a multi-channel medical management power supply to solve the problem that the power supply used in the existing ultrasonic medical equipment proposed in the prior art has different power supply requirements for the ultrasonic mainboard, operation panel and display, and the built-in ultrasonic mainboard of the probe high-voltage transmission signal in the ultrasonic industry will interfere with the ultrasonic image and affect the performance of the product. In addition, different application scenarios of color Doppler ultrasound equipment have different requirements for the transmission voltage.

[0004] To achieve the above-mentioned object, the present invention provides the following technical solutions: a multi-channel medical management power supply, comprising a power supply box, a power supply management circuit and a device application end, wherein the power supply box is provided with a power supply management circuit inside, the power supply management circuit is connected to the device application end, the power supply box is used to control the power supply management circuit, and the power supply management circuit can provide working current for the device application end;

[0005] The multi-channel medical management power supply can realize multi-channel voltage management output. The power supply can output 5 groups of voltages at the same time. For the medical ultrasound industry, 3 groups of conventional outputs can meet the power supply requirements of ultrasound equipment for ultrasound motherboard, industrial control, display and heat dissipation fan. At the same time, the demand for high-voltage transmission signals of ultrasound industry probes can also be achieved through this power supply circuit. Users can generate corresponding transmission voltages according to different equipment, which provides convenience for medical ultrasound equipment and is highly practical.

[0006] The power management circuit includes AC-DC, MCU timing control circuit, DC module A, DC module B, DC module C, positive high voltage module, negative high voltage module, high voltage output control circuit and external control signal, the AC-DC is used to provide power, the MCU timing control circuit is used to sequentially open or close the power output of the DC module, the positive high voltage module and the negative high voltage module are used to provide multi-channel output power, the high voltage output control circuit is used to control the positive high voltage module and the negative high voltage module, the AC-DC is connected to DC module A, DC module B, DC module C, positive high voltage module, and negative high voltage module, the MCU timing control circuit is connected to DC module A, DC module B, DC module C, positive high voltage module, and negative high voltage module, the device application end is connected to DC module A, DC module B, DC module C, positive high voltage module, and negative high voltage module, the device application end is connected to the external control signal, the external control signal is connected to the high voltage output control circuit, and the high voltage output control circuit is connected to the positive high voltage module and the negative high voltage module;

[0007] DC modules A, B, and C are DC-DC conversion modules that can convert different voltages into the voltages required by the device application end to achieve multi-channel voltage management output. Many existing devices have timing requirements for the power supply of the application part. The DC modules A, B, and C are configured with the timing through the MCU timing control circuit to meet the customer's timing requirements. External control signals control the device application end and the high-voltage output control circuit to achieve multi-channel power output.

[0008] The positive high voltage module includes a digital circuit control port D0, a digital circuit control port D1, a digital circuit control port D3 and a digital circuit control port D2, wherein the digital circuit control port D0 is electrically connected to a first end of a resistor R45, a second end of the resistor R45 is electrically connected to a first end of a capacitor C48, a second end of the capacitor C48 is electrically connected to ground, a second end of the resistor R45 is electrically connected to a gate of a field effect transistor Q7, a source of the field effect transistor Q7 is electrically connected to ground, a drain of the field effect transistor Q7 is electrically connected to a first end of a resistor R68, and The first end of the resistor R68 is electrically connected to the first end of the resistor R69, the digital circuit control port D1 is electrically connected to the first end of the resistor R46, the second end of the resistor R46 is electrically connected to the first end of the capacitor C49, the second end of C49 is electrically connected to the ground, the second end of the resistor R46 is electrically connected to the gate of the field effect transistor Q8, the source of the field effect transistor Q8 is electrically connected to the ground, the drain of the field effect transistor Q8 is electrically connected to the first end of the resistor R70, the first end of the resistor R70 is electrically connected to the first end of the resistor R71, and the digital circuit control port D1 is electrically connected to the first end of the resistor R46. The control port D3 is electrically connected to the first end of the resistor R47, the second end of the resistor R47 is electrically connected to the first end of the capacitor C50, the second end of the capacitor C50 is electrically connected to the ground, the second end of the resistor R47 is electrically connected to the gate of the field effect transistor Q9, the source of the field effect transistor Q9 is electrically connected to the ground, the drain of the field effect transistor Q9 is electrically connected to the first end of the resistor R72, the first end of the resistor R72 is electrically connected to the first end of the resistor R73, the digital circuit control port D2 is electrically connected to the first end of the resistor R48, the first end of the resistor R48 is electrically connected to the first end of the resistor R48 Two ends are electrically connected to the first end of the capacitor C51, the second end of the capacitor C51 is electrically connected to the ground, the second end of the resistor R48 is electrically connected to the gate of the field effect transistor Q10, the source of the field effect transistor Q10 is electrically connected to the ground, the drain of the field effect transistor Q10 is electrically connected to the first end of the resistor R74, the first end of the resistor R74 is electrically connected to the first end of the resistor R75, and the second end of the resistor R68 is electrically connected to the second ends of the resistors R69, R70, R71, R72, R73, R74 and R75;

[0009] The negative high voltage module includes a digital circuit control port D0, a digital circuit control port D1, a digital circuit control port D3 and a digital circuit control port D2, wherein the digital circuit control port D0 is electrically connected to a first end of a resistor R49, a second end of the resistor R49 is electrically connected to a first end of a resistor R144, a second end of the resistor R49 is electrically connected to a first end of a capacitor C52, a first end of the capacitor C52 is electrically connected to a gate of a field effect transistor Q11, a drain of the field effect transistor Q11 is electrically connected to a first end of a resistor R76, and a first end of the resistor R76 is electrically connected to a gate of a field effect transistor Q11. The first end of the field effect tube Q12 is electrically connected to the first end of the resistor R77, the second ends of the field effect tube Q11, the capacitor C52 and the resistor R144 are electrically connected to the ground, the digital circuit control port D1 is electrically connected to the first end of the resistor R50, the second end of the resistor R50 is electrically connected to the resistor R145 and the first end of the capacitor C53, the first end of the capacitor C53 is electrically connected to the gate of the field effect tube Q12, the drain of the field effect tube Q12 is electrically connected to the first ends of the resistors R78 and R79, the source of the field effect tube Q12, the capacitor C53 and the second end of the resistor R145 are electrically connected to the ground, and the gate of the field effect tube Q12 is electrically connected to the gate of the field effect tube Q12. The digital circuit control port D3 is electrically connected to the first end of the resistor R51, the second end of the resistor R51 is electrically connected to the first end of the resistor R146, the second end of the resistor R51 is electrically connected to the first end of the capacitor C54 and the gate of the field effect transistor Q13, the drain of the field effect transistor Q13 is electrically connected to the first ends of the resistors R80 and R81, the source of the field effect transistor Q13, the second end of the capacitor C54 and the second end of the resistor R146 are electrically connected to the ground, the digital circuit control port D2 is electrically connected to the first end of the resistor R52 The second end of the resistor R52 is electrically connected to the resistor R147 and the first end of the capacitor C55, the first end of the capacitor C55 is electrically connected to the gate of the field effect transistor Q14, the drain of the field effect transistor Q14 is electrically connected to the first ends of the resistors R82 and R83, the source of the field effect transistor Q14, the second end of the capacitor C55 and the second end of the resistor R147 are electrically connected to the ground, and the second end of the resistor R83 is electrically connected to the second ends of the resistors R82, R81, R80, R79, R78, R77 and R76;

[0010] Different high-voltage outputs can be achieved through the external four digital circuit control ports DO, D1, D2 and D3. Different combination configurations can form 16 configuration circuits. Different configuration circuits can change the FB feedback control parameters of the positive high-voltage module and the negative high-voltage module, thereby generating 16 high-voltage outputs to meet the different high-voltage requirements of ultrasonic equipment. The high voltage is designed to be intelligent and adjustable, which can control the power supply to generate the corresponding voltage, which is convenient and efficient.

[0011] The power supply box comprises a box body, a heat dissipation device and a fixing device. The heat dissipation device is arranged inside the box body, and the fixing device is connected to the top of the box body;

[0012] The power management circuit is connected to the device application end through a power box. The built-in heat sink of the power box can dissipate heat for the power management circuit to prevent the internal module of the power management circuit from being damaged due to excessive temperature, which is beneficial to improving the utilization efficiency. When multiple ultrasonic devices need to be used at the same time, multiple power boxes are required. Through the fixing device, multiple power boxes can be overlapped from bottom to top to achieve a fixing effect.

[0013] The heat dissipation device comprises a semiconductor condensing sheet, a conduit and a heat dissipation fan, wherein the semiconductor condensing sheet is vertically placed inside the groove, the groove is fixedly connected to the inside of the box, the conduit is fixedly connected to one end of the groove, the heat dissipation fan is placed near the groove, and a vent is provided on the box, and the vent corresponds to the position of the heat dissipation fan;

[0014] The groove is provided with a first notch, a second notch and a third notch, the semiconductor condenser is located inside the second notch, one end of the conduit is fixedly connected to the first notch port, the other end of the conduit is fixedly connected to the third notch port, and the cooling fan is located on one side of the third notch;

[0015] When the power management circuit is working, its internal module generates heat, which is cooled by the cooling end of the semiconductor condenser. When a certain temperature is reached, liquid water will be generated at the cooling end. The liquid water will drip into the first slot and be transported to the third slot by a conduit. The third slot corresponds to the heat dissipation end of the semiconductor condenser. The high temperature at the heat dissipation end vaporizes the liquid water to achieve a circulating heat dissipation effect. The cooling fan and liquid water can both dissipate heat for the circuit module and the heat dissipation end of the semiconductor condenser.

[0016] The groove platform of the connecting end of the first notch and the conduit is lower than the groove platform of the other end;

[0017] The height design of the trough is conducive to delivering liquid water into the conduit.

[0018] The fixing device includes a first airbag, a second airbag and a baffle, the first airbag and the second airbag are connected by a pipe, the first airbag is a deformable airbag, the second airbag is fixedly connected to the baffle, the first airbag is fixedly connected to the top of the box, the second airbag is fixedly connected to the side of the box, the baffle is fitted and connected to the side of the box, the first airbag is a deformable airbag, and the second airbag is a rubber airbag. ;

[0019] When the power boxes are overlapped, the power-type extrusion deformation airbag located on the upper side squeezes the gas to the second airbag through the pipe, thereby pushing the baffle upward, and so on. When multiple power boxes are overlapped, the function of fixing them in sequence from bottom to top can be achieved.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. The heat dissipation device can be used to dissipate heat for the power management circuit. The power management circuit generates heat when working. The semiconductor condenser can be used to avoid cooling the power box, which can effectively avoid the problem of damage to the power management circuit caused by high temperature.

[0022] 2. A plurality of overlapping power boxes can be fixed from bottom to top by using a fixing device, and the baffle is pushed up by the linkage work of the first airbag and the second airbag. The airbag has a simple structure, simple operation and convenient use.

[0023] 3. Provide multi-channel management power supply for ultrasonic medical equipment. The power supply can output multiple power supplies and 5 groups of voltages at the same time. In addition, the high-voltage circuit is designed to be intelligent and adjustable. The voltage can be automatically adjusted according to different ultrasonic equipment, and the control power supply generates corresponding voltage and issues high-voltage control instructions to meet the needs of the equipment.

[0024] 4. Many existing ultrasound devices have timing requirements for power supply of some applications. The power supply configuration is equipped with a timing control circuit. The DC module is configured with timing through the MCU timing control circuit to meet the customer's timing requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the power management circuit of the present invention;

[0026] Figure 2 It is a structural schematic diagram of the positive high voltage module of the present invention;

[0027] Figure 3 It is a structural schematic diagram of the negative high voltage module of the present invention;

[0028] Figure 4 It is a schematic structural diagram of the heat dissipation device of the present invention;

[0029] Figure 5 It is a schematic diagram of the structure of the fixing device of the present invention;

[0030] Figure numerals: 1. housing; 2. heat dissipation device; 3. fixing device; 4. semiconductor condenser; 5. duct; 6. groove; 7. cooling fan; 8. vent; 9. first slot; 10. second slot; 11. third slot; 12. first air bag; 13. second air bag; 14. baffle; 15. pipe. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] Example: Figures 1 to 5 As shown, the present invention provides a technical solution, a multi-channel medical management power supply, including a power box, a power management circuit and a device application end, the power box is provided with a power management circuit inside, the power management circuit is connected to the device application end, the power box is used to control the power management circuit, and the power management circuit can provide working current for the device application end;

[0033] The power management circuit includes AC-DC, MCU timing control circuit, DC module A, DC module B, DC module C, positive high voltage module, negative high voltage module, high voltage output control circuit and external control signal, AC-DC is connected with DC module A, DC module B, DC module C, positive high voltage module and negative high voltage module, MCU timing control circuit is connected with DC module A, DC module B, DC module C, positive high voltage module and negative high voltage module, device application end is connected with DC module A, DC module B, DC module C, positive high voltage module and negative high voltage module, device application end is connected with external control signal, external control signal is connected with high voltage output control circuit, high voltage output control circuit is connected with positive high voltage module and negative high voltage module, AC-DC is used to provide power, MCU timing control circuit is used to turn on or off the power output of DC module in sequence, positive high voltage module and negative high voltage module are used to provide multi-channel output power, high voltage output control circuit is used to control positive high voltage module and negative high voltage module, external control signal is used to control device application end and high voltage output control circuit, device application end is used to issue high voltage control instructions according to different application scenarios of the device;

[0034] The positive high voltage module includes a digital circuit control port D0, a digital circuit control port D1, a digital circuit control port D3 and a digital circuit control port D2, the digital circuit control port D0 is electrically connected to the first end of the resistor R45, the second end of the resistor R45 is electrically connected to the first end of the capacitor C48, the second end of the capacitor C48 is electrically connected to the ground, the second end of the resistor R45 is electrically connected to the gate of the field effect transistor Q7, the source of the field effect transistor Q7 is electrically connected to the ground, the drain of the field effect transistor Q7 is electrically connected to the first end of the resistor R68, The first end of the resistor R68 is electrically connected to the first end of the resistor R69, the digital circuit control port D1 is electrically connected to the first end of the resistor R46, the second end of the resistor R46 is electrically connected to the first end of the capacitor C49, the second end of C49 is electrically connected to the ground, the second end of the resistor R46 is electrically connected to the gate of the field effect transistor Q8, the source of the field effect transistor Q8 is electrically connected to the ground, the drain of the field effect transistor Q8 is electrically connected to the first end of the resistor R70, the first end of the resistor R70 is electrically connected to the first end of the resistor R71, and the digital circuit control port D1 is electrically connected to the first end of the resistor R46. Port D3 is electrically connected to a first end of a resistor R47, a second end of the resistor R47 is electrically connected to a first end of a capacitor C50, a second end of the capacitor C50 is electrically connected to ground, a second end of the resistor R47 is electrically connected to a gate of a field effect transistor Q9, a source of the field effect transistor Q9 is electrically connected to ground, a drain of the field effect transistor Q9 is electrically connected to a first end of a resistor R72, a first end of the resistor R72 is electrically connected to a first end of a resistor R73, a digital circuit control port D2 is electrically connected to a first end of a resistor R48, a second end of the resistor R48 is electrically connected to A first end of the capacitor C51 is electrically connected, a second end of the capacitor C51 is electrically connected to the ground, a second end of the resistor R48 is electrically connected to the gate of the field effect transistor Q10, a source of the field effect transistor Q10 is electrically connected to the ground, a drain of the field effect transistor Q10 is electrically connected to a first end of the resistor R74, a first end of the resistor R74 is electrically connected to a first end of the resistor R75, a second end of the resistor R68 is electrically connected to second ends of the resistors R69, R70, R71, R72, R73, R74 and R75;

[0035] The negative high voltage module includes a digital circuit control port DO, a digital circuit control port D1, a digital circuit control port D3 and a digital circuit control port D2, the digital circuit control port D0 is electrically connected to the first end of the resistor R49, the second end of the resistor R49 is electrically connected to the first end of the resistor R144, the second end of the resistor R49 is electrically connected to the first end of the capacitor C52, the first end of the capacitor C52 is electrically connected to the gate of the field effect transistor Q11, the drain of the field effect transistor Q11 is electrically connected to the first end of the resistor R76, the first end of the resistor R76 is electrically connected to the first end of the resistor R77, the field effect transistor Q11, the The second end of capacitor C52 and resistor R144 are electrically connected to the ground, the digital circuit control port D1 is electrically connected to the first end of resistor R50, the second end of resistor R50 is electrically connected to resistor R145 and the first end of capacitor C53, the first end of capacitor C53 is electrically connected to the gate of field effect transistor Q12, the drain of field effect transistor Q12 is electrically connected to the first ends of resistors R78 and R79, the source of field effect transistor Q12, capacitor C53 and the second end of resistor R145 are electrically connected to the ground, the digital circuit control port D3 is electrically connected to the first end of resistor R51, the second end of resistor R51 is electrically connected to the gate of resistor R146 The first end of the digital circuit is electrically connected to the first end of the resistor R52, the second end of the resistor R52 is electrically connected to the first end of the capacitor C54 and the gate of the field effect transistor Q13, the drain of the field effect transistor Q13 is electrically connected to the first ends of the resistors R80 and R81, the source of the field effect transistor Q13, the second end of the capacitor C54 and the second end of the resistor R146 are electrically connected to the ground, the digital circuit control port D2 is electrically connected to the first end of the resistor R52, the second end of the resistor R52 is electrically connected to the resistor R147 and the first end of the capacitor C55, the first end of the capacitor C55 is electrically connected to the gate of the field effect transistor Q14, the drain of the field effect transistor Q14 is electrically connected to the resistors R82 and The first end of R83 is electrically connected, the source of the field effect transistor Q14, the second end of the capacitor C55 and the second end of the resistor R147 are electrically connected to the ground, the second end of the resistor R83 is electrically connected to the second ends of the resistors R82, R81, R80, R79, R78, R77 and R76, the positive high voltage module and the negative high voltage module are used for multi-channel voltage output, and different combination configuration circuits can be formed through the external 4 digital circuit control ports D0, D1, D2 and D3 to generate 16 different high voltage outputs, and the high voltage is designed to be intelligently adjustable to issue different high voltage control instructions;

[0036] The power supply box includes a box body 1, a heat dissipation device 2 and a fixing device 3. The heat dissipation device 2 is arranged inside the box body 1, and the fixing device 3 is connected to the top of the box body 1. The heat dissipation device 2 is used for heat dissipation of the power management circuit, and the fixing device 3 is used for fixing a plurality of overlapping power supply boxes;

[0037] The heat dissipation device 2 includes a semiconductor condensing sheet 4, a conduit 5 and a heat dissipation fan 7. The semiconductor condensing sheet 4 is vertically placed inside the groove 6, the groove 6 is fixedly connected to the inside of the box 1, the conduit 5 is fixedly connected to one end of the groove 6, the heat dissipation fan 7 is placed near the groove 6, and a vent 8 is provided on the box 1, and the vent 8 corresponds to the position of the heat dissipation fan 7. The cooling end of the semiconductor condensing sheet 4 can cool the heat energy generated by the power management circuit, and the conduit 5 is used to transmit the liquid water flowing into the first slot 9 after cooling at the cooling end of the semiconductor condensing sheet 4 to the third slot 11. The heat dissipation end of the semiconductor condensing sheet 4 corresponds to the third slot 11. The heat dissipation end can vaporize the liquid water, and the heat dissipation end can be cooled. At the same time, the heat dissipation effect in the entire box 1 can also be achieved. The better the heat dissipation effect of the heat dissipation end, the better the cooling effect of the cooling end of the semiconductor condensing sheet 4. The heat dissipation fan 7 is used to dissipate the heat of the semiconductor condensing sheet 4, and the vent 8 is used for ventilation inside the entire box 1;

[0038] A first notch 9, a second notch 10 and a third notch 11 are provided inside the groove 6, the semiconductor condensing sheet 4 is located inside the second notch 10, one end of the conduit 5 is fixedly connected to the port of the first notch 9, and the other end of the conduit 5 is fixedly connected to the port of the third notch 11, and the cooling fan 7 is located on one side of the third notch 11. The first notch 9 is used to hold liquid water flowing from the semiconductor condensing sheet 4 after refrigeration, the second notch 10 is used to install the semiconductor condensing sheet 4, and the third notch 11 is used to hold liquid water transmitted by the conduit 5. The transmitted liquid water is used to vaporize the liquid water transmitted from the heat dissipation end, and the cooling fan 7 and the liquid water can both have a heat dissipation effect on the circuit module and the heat dissipation end of the semiconductor condensing sheet 4;

[0039] The fixing device 3 includes a first airbag 12, a second airbag 13 and a baffle 14. The first airbag 12 and the second airbag 13 are connected by a pipe 15. The first airbag 12 is a deformable airbag. The second airbag 13 is fixedly connected to the baffle 14. The first airbag 12 is fixedly connected to the top of the box body 1, and the second airbag 13 is fixedly connected to the side of the box body 1. The baffle 14 is tightly connected to the side of the box body 1. The first airbag 12, the pipe 15, the second airbag 15 and the baffle 14 work in conjunction. The overlapping power boxes squeeze the first airbag 12 to make the baffle 14 rise, which is beneficial to the fixation of multiple overlapping power boxes.

[0040] Working principle: Powered by AC-DC switching power supply, the MCU timing control circuit turns on or off the power output of the DC module in sequence, converts different voltages into the voltage required by the device application end, and realizes multi-channel voltage management output. The MCU timing control circuit configures the timing of DC modules A, B, and C to meet the customer's timing requirements. The device application end and the high-voltage output control circuit are controlled by external control signals to realize multi-channel power output. The 4 digital circuit control ports can generate 16 kinds of high-voltage outputs, and different high-voltage control instructions can be issued according to the different needs of the equipment. It is very convenient and efficient for the medical ultrasound industry;

[0041] When the power supply working circuit is working, heat will be generated, which will be cooled by the cooling end of the semiconductor condenser. When a certain temperature is reached, liquid water will be formed on the cooling end. The liquid water flows into the first slot. The high and low slots are conducive to the rapid flow of liquid water to the conduit, and then transmitted to the third slot through the conduit. The heat dissipation end of the semiconductor condenser vaporizes the liquid water in the third slot, which can cool the heat dissipation end and the entire box. The better the heat dissipation effect of the heat dissipation end, the better the cooling effect of the cooling end. The cooling fan can dissipate heat inside the entire box and exhaust air through the vents. The heat dissipation device can effectively increase the service life of the power management circuit.

[0042] When multiple power boxes need to be used at the same time, the power boxes are overlapped by a fixing device, and the baffle is raised by the linkage principle of the first airbag and the second airbag to achieve the effect of fixing the power boxes.

[0043] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A multi-channel medical management power supply, characterized in that: It includes a power supply box, a power supply management circuit and a device application end. The power supply box is provided with a power supply management circuit inside. The power supply management circuit is connected to the device application end. The power supply box is used to control the power supply management circuit. The power supply management circuit can provide working current for the device application end. The power supply box comprises a box body (1), a heat dissipation device (2) and a fixing device (3); the heat dissipation device (2) is arranged inside the box body (1), and the fixing device (3) is connected to the top of the box body (1); The heat dissipation device (2) comprises a semiconductor condensing sheet (4), a conduit (5) and a heat dissipation fan (7); the semiconductor condensing sheet (4) is vertically placed inside a groove (6); the groove (6) is fixedly connected to the inside of a box (1); the conduit (5) is fixedly connected to one end of the groove (6); the heat dissipation fan (7) is placed near the groove (6); and a vent (8) is provided on the box (1); the vent (8) corresponds to the position of the heat dissipation fan (7); The groove (6) is provided with a first notch (9), a second notch (10) and a third notch (11); the semiconductor condenser sheet (4) is located inside the second notch (10); one end of the conduit (5) is fixedly connected to a port of the first notch (9); the other end of the conduit (5) is fixedly connected to a port of the third notch (11); and the cooling fan (7) is located on one side of the third notch (11); The fixing device (3) comprises a first airbag (12), a second airbag (13) and a baffle (14); the first airbag (12) and the second airbag (13) are connected via a pipe (15); the second airbag (13) and the baffle (14) are fixedly connected; the first airbag (12) is fixedly connected to the top of the box body (1); the second airbag (13) is fixedly connected to the side of the box body (1); and the baffle (14) is closely connected to the side of the box body (1).

2. A multi-channel medical management power supply according to claim 1, characterized in that: The groove platform at the connecting end of the first notch (9) and the catheter is lower than the groove platform at the other end.

3. A multi-channel medical management power supply according to claim 1, characterized in that: The first airbag (12) is a deformable airbag, and the second airbag (13) is a rubber airbag.

4. The multi-channel medical management power supply according to claim 1, characterized in that: The power management circuit includes AC-DC, MCU timing control circuit, DC module A, DC module B, DC module C, positive high voltage module, negative high voltage module, high voltage output control circuit and external control signal, the AC-DC is used to provide power, the MCU timing control circuit is used to sequentially open or close the power output of the DC module, the positive high voltage module and the negative high voltage module are used to provide multi-channel output power, the high voltage output control circuit is used to control the positive high voltage module and the negative high voltage module, the AC-DC is connected to DC module A, DC module B, DC module C, positive high voltage module, and negative high voltage module, the MCU timing control circuit is connected to DC module A, DC module B, DC module C, positive high voltage module, and negative high voltage module, the device application end is connected to DC module A, DC module B, DC module C, positive high voltage module, and negative high voltage module, the device application end is connected to the external control signal, the external control signal is connected to the high voltage output control circuit, and the high voltage output control circuit is connected to the positive high voltage module and the negative high voltage module.

5. A multi-channel medical management power supply according to claim 4, characterized in that: The positive high voltage module includes a digital circuit control port D0, a digital circuit control port D1, a digital circuit control port D3 and a digital circuit control port D2, wherein the digital circuit control port D0 is electrically connected to a first end of a resistor R45, a second end of the resistor R45 is electrically connected to a first end of a capacitor C48, a second end of the capacitor C48 is electrically connected to ground, a second end of the resistor R45 is electrically connected to a gate of a field effect transistor Q7, a source of the field effect transistor Q7 is electrically connected to ground, a drain of the field effect transistor Q7 is electrically connected to a first end of a resistor R68, and The first end of the resistor R68 is electrically connected to the first end of the resistor R69, the digital circuit control port D1 is electrically connected to the first end of the resistor R46, the second end of the resistor R46 is electrically connected to the first end of the capacitor C49, the second end of C49 is electrically connected to the ground, the second end of the resistor R46 is electrically connected to the gate of the field effect transistor Q8, the source of the field effect transistor Q8 is electrically connected to the ground, the drain of the field effect transistor Q8 is electrically connected to the first end of the resistor R70, the first end of the resistor R70 is electrically connected to the first end of the resistor R71, and the digital circuit control port D1 is electrically connected to the first end of the resistor R46. The control port D3 is electrically connected to the first end of the resistor R47, the second end of the resistor R47 is electrically connected to the first end of the capacitor C50, the second end of the capacitor C50 is electrically connected to the ground, the second end of the resistor R47 is electrically connected to the gate of the field effect transistor Q9, the source of the field effect transistor Q9 is electrically connected to the ground, the drain of the field effect transistor Q9 is electrically connected to the first end of the resistor R72, the first end of the resistor R72 is electrically connected to the first end of the resistor R73, the digital circuit control port D2 is electrically connected to the first end of the resistor R48, the first end of the resistor R48 is electrically connected to the first end of the resistor R48 The two ends are electrically connected to the first end of the capacitor C51, the second end of the capacitor C51 is electrically connected to the ground, the second end of the resistor R48 is electrically connected to the gate of the field effect transistor Q10, the source of the field effect transistor Q10 is electrically connected to the ground, the drain of the field effect transistor Q10 is electrically connected to the first end of the resistor R74, the first end of the resistor R74 is electrically connected to the first end of the resistor R75, and the second end of the resistor R68 is electrically connected to the second ends of the resistors R69, R70, R71, R72, R73, R74 and R75.

6. A multi-channel medical management power supply according to claim 4, characterized in that: The negative high voltage module includes a digital circuit control port DO, a digital circuit control port D1, a digital circuit control port D3 and a digital circuit control port D2, wherein the digital circuit control port D0 is electrically connected to a first end of a resistor R49, a second end of the resistor R49 is electrically connected to a first end of a resistor R144, a second end of the resistor R49 is electrically connected to a first end of a capacitor C52, a first end of the capacitor C52 is electrically connected to a gate of a field effect transistor Q11, a drain of the field effect transistor Q11 is electrically connected to a first end of a resistor R76, and a drain of the resistor R76 is electrically connected to a gate of a field effect transistor Q11. The first end is electrically connected to the first end of the resistor R77, the second ends of the field effect tube Q11, the capacitor C52 and the resistor R144 are electrically connected to the ground, the digital circuit control port D1 is electrically connected to the first end of the resistor R50, the second end of the resistor R50 is electrically connected to the resistor R145 and the first end of the capacitor C53, the first end of the capacitor C53 is electrically connected to the gate of the field effect tube Q12, the drain of the field effect tube Q12 is electrically connected to the first ends of the resistors R78 and R79, the source of the field effect tube Q12, the capacitor C53 and the resistor R145 are electrically connected to the first end of ... The two ends are electrically connected to the ground, the digital circuit control port D3 is electrically connected to the first end of the resistor R51, the second end of the resistor R51 is electrically connected to the first end of the resistor R146, the second end of the resistor R51 is electrically connected to the first end of the capacitor C54 and the gate of the field effect transistor Q13, the drain of the field effect transistor Q13 is electrically connected to the first ends of the resistors R80 and R81, the source of the field effect transistor Q13, the second end of the capacitor C54 and the second end of the resistor R146 are electrically connected to the ground, and the digital circuit control port D2 is electrically connected to the first end of the resistor R52. The second end of the resistor R52 is electrically connected to the resistor R147 and the first end of the capacitor C55, the first end of the capacitor C55 is electrically connected to the gate of the field effect transistor Q14, the drain of the field effect transistor Q14 is electrically connected to the first ends of the resistors R82 and R83, the source of the field effect transistor Q14, the second end of the capacitor C55 and the second end of the resistor R147 are electrically connected to the ground, and the second end of the resistor R83 is electrically connected to the second ends of the resistors R82, R81, R80, R79, R78, R77 and R76.

Citation Information

Patent Citations

  • Intelligent dehumidification system in electric equipment cabinet

    CN201967290U

  • Direct current supply circuit

    CN203103952U

  • Various super equipment and power supply unit thereof

    CN206595892U