CN112152426A - Frequency converter with intracavity environment detection function and working method thereof - Google Patents
Frequency converter with intracavity environment detection function and working method thereof Download PDFInfo
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- CN112152426A CN112152426A CN202010942280.3A CN202010942280A CN112152426A CN 112152426 A CN112152426 A CN 112152426A CN 202010942280 A CN202010942280 A CN 202010942280A CN 112152426 A CN112152426 A CN 112152426A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
- H05K5/0047—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB
- H05K5/0056—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB characterized by features for protecting electronic components against vibration and moisture, e.g. potting, holders for relatively large capacitors
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
- H05K7/1427—Housings
- H05K7/1432—Housings specially adapted for power drive units or power converters
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/209—Heat transfer by conduction from internal heat source to heat radiating structure
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20945—Thermal management, e.g. inverter temperature control
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Inverter Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a frequency converter with an intracavity environment detection function and a working method thereof, and the frequency converter comprises a CPU chip, a first temperature sensor, a first radiator, a first semiconductor patch, an IGBT chip, a second temperature sensor, a second radiator, a second semiconductor patch, a rectifier, a third temperature sensor, a third radiator, a third semiconductor patch, a filter, a fourth temperature sensor, a fourth radiator, a fourth semiconductor patch, an inverter, a fifth temperature sensor, a fifth radiator, a fifth semiconductor patch, a harmful gas sensor, a humidity sensor, a smoke sensor, a wireless transmission chip, a capacitor and a radiating shell, the working state of each chip can be found in time by monitoring each chip in real time through the temperature sensor, the semiconductor patch maintains stable working temperature, and each obtained environmental parameter is uploaded, and carrying out real-time environmental monitoring.
Description
Technical Field
The invention relates to the technical field of frequency converters, in particular to a frequency converter with an intracavity environment detection function and a working method thereof.
Background
The frequency converter mainly comprises electronic devices such as rectification, filtering and inversion, output is adjusted by means of an internal IGBT chip, in practical application, the frequency converter is often in a severe environment exceeding the maximum or minimum limit temperature specified by the frequency converter, therefore, measures such as optimizing a heat dissipation air duct, water-cooling heat dissipation and air-conditioning heat dissipation can be adopted to cool the frequency converter at high temperature, and auxiliary heat sources such as an electric heater are added inside a cavity of the frequency converter to heat the frequency converter at low temperature.
However, different structures and circuit schemes are adopted for high temperature/low temperature respectively, which can cause poor universality of equipment, complex structure and higher cost; the electric heater is added to heat air around the device, so that the heating effect of the device such as an IGBT chip and the like which are tightly attached to the radiator is poor; meanwhile, the installation of the electric heating device is also limited by the space of the cavity of the frequency converter and the structure of the equipment; in addition, the general frequency converter does not have the functions of electric leakage detection, environmental monitoring and the like, and the use safety is poor.
Disclosure of Invention
The present invention is directed to provide a frequency converter with an intracavity environment detection function and a method for operating the same, which are simple in structural design and free of complex heat dissipation and heating mechanisms and control mechanisms, and can maintain each component of the frequency converter within a working temperature range, and can be directly installed in a suspended manner without drilling holes during installation, and can monitor the frequency converter and the environment in real time to facilitate timely adjustment of all devices.
The purpose of the invention can be realized by the following technical scheme:
a frequency converter with an intracavity environment detection function comprises a frequency converter body and a shock absorption box, wherein the frequency converter body comprises a CPU chip, a first temperature sensor, a first radiator, a first semiconductor patch, an IGBT chip, a second temperature sensor, a second radiator, a second semiconductor patch, a rectifier, a third temperature sensor, a third radiator, a third semiconductor patch, a filter, a fourth temperature sensor, a fourth radiator, a fourth semiconductor patch, an inverter, a fifth temperature sensor, a fifth radiator, a fifth semiconductor patch, a harmful gas sensor, a humidity sensor, a smoke sensor, a wireless transmission chip, a capacitor, a heat dissipation shell, a circuit board, an air inlet fan, an exhaust fan, a power supply, a heat insulation board, a dust screen, a frequency converter shell, a detector, a sixth temperature sensor, a display screen, a control button, an input terminal and an output terminal, a first temperature sensor is installed on one side of a CPU chip, a first semiconductor patch is installed on the upper surface of the CPU chip, a first radiator is installed on the upper surface of the first semiconductor patch, a second temperature sensor is installed on one side of an IGBT chip, a second semiconductor patch is installed on the upper surface of the IGBT chip, a second radiator is installed on the upper surface of the second semiconductor patch, a third temperature sensor is installed on one side of a rectifier, a third semiconductor patch is installed on the other side of the rectifier, a third radiator is installed on the other side of the third semiconductor patch, a fourth temperature sensor is installed on one side of a filter, a fourth semiconductor patch is installed on the other side of the filter, a fourth radiator is installed on the other side of the fourth semiconductor patch, a fifth temperature sensor is installed on one side of an inverter, a fifth semiconductor patch is installed on the upper surface of the inverter, and a fifth radiator is installed on the, the capacitor is sleeved with a heat dissipation shell, the circuit board is provided with a CPU chip, an IGBT chip, a rectifier, a filter, an inverter, a harmful gas sensor, a humidity sensor, a smoke sensor, a wireless transmission chip and a capacitor, the first temperature sensor, the first semiconductor patch, the IGBT chip, the second temperature sensor, the second semiconductor patch, the rectifier, the third temperature sensor, the third semiconductor patch, the filter, the fourth temperature sensor, the fourth semiconductor patch, the inverter, the fifth temperature sensor, the fifth semiconductor patch, the harmful gas sensor, the humidity sensor, the smoke sensor, the wireless transmission chip and the capacitor are connected with the CPU chip through wires on the circuit board, the circuit board is arranged inside the frequency converter shell through screws, the air inlet fans are symmetrically arranged on the bottom side inside the frequency converter shell, the air outlet fan is arranged on the top side inside the frequency converter shell, air inlet fan and air discharge fan pass through the wire and are connected to the circuit board and are connected with the CPU chip, the dust screen is installed in the air inlet fan outside, electric leakage detector installs inside the converter shell, sixth temperature sensor installs on the converter shell, the power is installed in converter shell one side, the heat insulating board is installed between power and converter shell and is continuous with the two, the display screen is installed at converter shell opposite side, control button installs on the converter shell and installs at the display screen downside, input terminal installs on the converter shell and installs on the control button homonymy, output terminal installs at the input terminal homonymy, a power supply, electric leakage detector, sixth temperature sensor, the display screen, control button, input terminal and output terminal pass through the wire and be connected to the circuit board and be connected with the CPU chip, install the converter body in the damper box.
Preferably, the damping box comprises a box body, a first spring, a heat dissipation grid, a mesh enclosure, a filter plate, a support, a permanent magnet sheet, a sucker, a support seat, a second spring, a support cylinder and a rubber pad, wherein the box body is provided with a box door, a frequency converter body is arranged in the box body, a plurality of first springs are distributed around the frequency converter body, one end of each first spring is connected with the frequency converter body, the other end of each first spring is connected with the inner wall of the box body, the top and two sides of the box body are provided with holes and provided with the filter plate, the heat dissipation grid is arranged at the top of the box body and arranged at the outer side of the filter plate, the mesh enclosure is arranged at two sides of the box body and arranged at the outer side of the filter plate, the support is L-shaped and arranged at two sides of the box body sheet, the permanent magnet sheet, the second spring is arranged in the supporting seat, one end of the second spring is connected in the supporting seat, and the other end of the second spring is connected in the supporting cylinder.
A working method of a frequency converter with an intracavity environment detection function comprises the following specific steps:
the method comprises the following steps: setting initial data such as voltage, current, frequency and phase of the output current of the frequency converter body through a control button;
step two: the method comprises the steps that a first temperature of a CPU chip is obtained through a first temperature sensor, a second temperature of an IGBT chip is obtained through a second temperature sensor, a third temperature of a rectifier is obtained through a third temperature sensor, a fourth temperature of a filter is obtained through a fourth temperature sensor, a fifth temperature of an inverter is obtained through a fifth temperature sensor, and then temperature data are transmitted to the CPU chip through a circuit board;
step three: the CPU chip compares the obtained first to fifth temperatures with a preset rated temperature, when the temperature is higher than the rated temperature, the CPU chip conducts heat flow from the CPU chip, the IGBT chip, the rectifier, the filter and the inverter to the first to fifth radiators by conducting forward power on the first to fifth semiconductor patches, and when the temperature is lower than the rated temperature, the CPU chip conducts power in a reverse direction to heat all devices so as to maintain the devices at the working temperature;
step four: the CPU chip judges whether the frequency converter needs to dissipate heat or heat, when the frequency converter needs to dissipate heat, the heat dissipated by each radiator is transmitted to the outside of the frequency converter body through the air inlet fan and the exhaust fan, and when the frequency converter needs to heat, only the exhaust fan is started to exchange air;
step five: the CPU chip analyzes the data of the leakage detector, judges whether the frequency converter body leaks electricity or not, and closes each electronic device and sends out a maintenance request by using the wireless transmission chip when the electricity leaks;
step six: the CPU chip analyzes the data of the harmful gas sensor, the humidity sensor, the smoke sensor and the sixth temperature sensor to obtain the air composition, the humidity and the temperature of the environment;
step seven: the CPU chip sends all data to the outside through the wireless transmission chip, receives all instructions simultaneously, adjusts the output of devices such as IGBT chip, rectifier, wave filter and inverter to the output current of adjustment converter body.
The invention has the beneficial effects that:
first, the current flow direction of the semiconductor patch is different, and the conduction direction of heat can be changed accordingly, so that each electronic unit can be conveniently radiated or heated through the semiconductor patch, and stable working temperature is maintained.
And secondly, the working state of each chip can be found in time by monitoring the chips in real time through the temperature sensors, so that targeted adjustment is realized, and the frequency converter is prevented from being damaged due to the overheat problem of the chips and influencing other equipment.
And thirdly, detecting the air in the environment where the frequency converter is located through a harmful gas sensor, a humidity sensor and a smoke sensor, uploading all the obtained environmental parameters to the Internet, monitoring the environment in real time, ensuring safety and avoiding accidents.
And data exchange is carried out externally through the wireless transmission chip, so that each frequency converter can be managed in a network, real-time monitoring of each frequency converter is realized, fine control can be carried out on each frequency converter according to different requirements at any time, the adjusting time is shortened, the monitoring efficiency is improved, and a large amount of manpower and material resources are saved.
And fifthly, all the radiators of the frequency converter are distributed near the center line of the frequency converter, the air duct of the frequency converter is also designed at the center line, and heat flow can be quickly conducted to the outside by all the devices, so that quick temperature reduction and control are realized.
Sixth, this converter is small, and compact structure can adapt to different size requirements, and each part can both be changed, and the support can hang in other equipment outsides steadily, need not punch processing such as to other equipment, and support upper portion is provided with the handle, can conveniently install and carry.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a front view of a transducer body according to the present invention;
FIG. 2 is a side view of the transducer body of the present invention;
FIG. 3 is a front view of the transducer body of the present invention;
FIG. 4 is a front view of the appearance of the shock box of the present invention;
FIG. 5 is a schematic view of the internal structure of the shock-absorbing box of the present invention;
FIG. 6 is a side view of the shock box structure of the present invention;
FIG. 7 is a schematic diagram of a CPU chip heat dissipation structure according to the present invention;
FIG. 8 is a schematic diagram of the heat dissipation of the IGBT chip of the invention;
FIG. 9 is a schematic diagram of a rectifier according to the present invention;
FIG. 10 is a schematic diagram of a heat dissipation structure of a filter according to the present invention;
FIG. 11 is a schematic diagram of the inverter heat dissipation of the present invention;
in the figure: 1. a CPU chip; 2. a first temperature sensor; 3. a first heat sink; 4. a first semiconductor patch; 5. an IGBT chip; 6. a second temperature sensor; 7. a second heat sink; 8. a second semiconductor patch; 9. a rectifier; 10. a third temperature sensor; 11. a third heat sink; 12. a third semiconductor patch; 13. a filter; 14. a fourth temperature sensor; 15. a fourth heat sink; 16. a fourth semiconductor patch; 17. an inverter; 18. a fifth temperature sensor; 19. a fifth heat sink; 20. a fifth semiconductor patch; 21. a harmful gas sensor; 22. a humidity sensor; 23. a smoke sensor; 24. a wireless transmission chip; 25. a capacitor; 26. a heat dissipation housing; 27. a circuit board; 28. an air inlet fan; 29. an exhaust fan; 30. a power source; 31. a heat insulation plate; 32. a dust screen; 33. a frequency converter housing; 34. a leakage detector; 35. a sixth temperature sensor; 36. a display screen; 37. a control button; 38. an input terminal; 39. an output terminal; 40. a frequency converter body; 41. a damper box; 42. a box body; 43. a first spring; 44. a heat dissipation grid; 45. a mesh enclosure; 46. a filter plate; 47. a support; 48. a permanent magnet sheet; 49. a suction cup; 50. a supporting seat; 51. a second spring; 52. a support cylinder; 53. a rubber pad.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 11, a frequency converter with an intracavity environment detection function includes a frequency converter body 40 and a damper box 41, where the frequency converter body 40 includes a CPU chip 1, a first temperature sensor 2, a first heat sink 3, a first semiconductor patch 4, an IGBT chip 5, a second temperature sensor 6, a second heat sink 7, a second semiconductor patch 8, a rectifier 9, a third temperature sensor 10, a third heat sink 11, a third semiconductor patch 12, a filter 13, a fourth temperature sensor 14, a fourth heat sink 15, a fourth semiconductor patch 16, an inverter 17, a fifth temperature sensor 18, a fifth heat sink 19, a fifth semiconductor patch 20, a harmful gas sensor 21, a humidity sensor 22, a smoke sensor 23, a wireless transmission chip 24, a capacitor 25, a heat dissipation case 26, a circuit board 27, an intake fan 28, an exhaust fan 29, a smoke sensor 23, a wireless transmission chip 25, a heat dissipation case 26, a circuit board 27, an intake fan 28, an exhaust, The temperature control circuit comprises a power supply 30, a heat insulation board 31, a dust screen 32, a frequency converter shell 33, a leakage detector 34, a sixth temperature sensor 35, a display screen 36, a control button 37, an input terminal 38 and an output terminal 39, wherein one side of a CPU chip 1 is provided with a first temperature sensor 2, the upper surface of the CPU chip 1 is provided with a first semiconductor patch 4, the upper surface of the first semiconductor patch 4 is provided with a first radiator 3, one side of an IGBT chip 5 is provided with a second temperature sensor 6, the upper surface of the IGBT chip 5 is provided with a second semiconductor patch 8, the model of the IGBT chip 5 is UCC 27DB511 VR, the upper surface of the second semiconductor patch 8 is provided with a second radiator 7, one side of a rectifier 9 is provided with a third temperature sensor 10, the other side of the rectifier 9 is provided with a third semiconductor patch 12, the other side of the third semiconductor patch 12 is provided with a third radiator 11, the model of the rectifier, a fourth temperature sensor 14 is installed on one side of the filter 13, a fourth semiconductor patch 16 is installed on the other side of the filter 13, a fourth heat radiator 15 is installed on the other side of the fourth semiconductor patch 16, the model of the filter 13 is EMI2121MTTAG, a fifth temperature sensor 18 is installed on one side of the inverter 17, a fifth semiconductor patch 20 is installed on the upper surface of the inverter 17, a fifth heat radiator 19 is installed on the upper surface of the fifth semiconductor patch 20, the model of the inverter 17 is sg3525, a heat radiation shell 26 is installed on the surface of the capacitor 25, a CPU chip 1, an IGBT chip 5, a rectifier 9, the filter 13, the inverter 17, a harmful gas sensor 21, a humidity sensor 22, a smoke sensor 23, a wireless transmission chip 24 and a capacitor 25 are installed on the circuit board 27, a first temperature sensor 2, a first semiconductor patch 4, an IGBT chip 5, a second temperature sensor 6, a second semiconductor patch 8, the rectifier 9, the third temperature sensor 10, the third semiconductor chip 12, the filter 13, the fourth temperature sensor 14, the fourth semiconductor chip 16, the inverter 17, the fifth temperature sensor 18, the fifth semiconductor chip 20, the harmful gas sensor 21, the humidity sensor 22, the smoke sensor 23, the wireless transmission chip 24 and the capacitor 25 are connected with the CPU chip 1 through wires on the circuit board 27, the model of the harmful gas sensor 21 is MC106, the model of the humidity sensor 22 is 2230SMD, the model of the smoke sensor 23 is MQ-2, the circuit board 27 is installed inside the frequency converter housing 33 through screws, the air intake fan 28 is symmetrically installed on the inner bottom side of the frequency converter housing 33, the exhaust fan 29 is installed on the inner top side of the frequency converter housing 33, the air intake fan 28 and the exhaust fan 29 are connected with the circuit board 27 through wires and connected with the CPU chip 1, the dust screen 32 is installed outside the air intake fan 28, the electric leakage detector 34 is installed inside the frequency converter shell 33, the sixth temperature sensor 35 is installed on the frequency converter shell 33, the power supply 30 is installed on one side of the frequency converter shell 33, the heat insulation board 31 is installed between the power supply 30 and the frequency converter shell 33 and connected with the two, the display screen 36 is installed on the other side of the frequency converter shell 33, the control button 37 is installed on the frequency converter shell 33 and installed on the lower side of the display screen 36, the input terminal 38 is installed on the frequency converter shell 33 and installed on the same side of the control button 37, the output terminal 39 is installed on the same side of the input terminal 38, the power supply 30, the electric leakage detector 34, the sixth temperature sensor 35, the display screen 36, the control button 37, the input terminal 38 and the output terminal 39 are connected to the circuit board 27 through wires and connected with the CPU chip 1, the frequency converter body 40 is installed in the damper box 41, all the temperature sensors are GA2K7MCD1, all the semiconductor, CPU chip 1 carries out temperature monitoring to each chip through the temperature data of receiving each temperature sensor, the operating condition of each chip is mastered in real time, one side of semiconductor paster is the cold junction, the another side is the hot junction, dispel the heat or heat through the forward current or the reverse current of control semiconductor chip, thereby maintain each chip in operating temperature range, each radiator cooperation air inlet fan 28 and exhaust fan 29 conduct the heat flow outside converter body 40 fast, heat conduction rate has greatly been improved, carry out real-time supervision through harmful gas sensor 21, humidity transducer 22 and smoke transducer 23 to the air that flows through converter body 40, can monitor the operational environment of converter at any time, ensure the security.
The shock absorption box 41 comprises a box body 42, a first spring 43, a heat dissipation grid 44, a mesh enclosure 45, a filter plate 46, a support 47, a permanent magnet sheet 48, a suction disc 49, a support seat 50, a second spring 51, a support cylinder 52 and a rubber cushion 53, the box body 42 is provided with a box door, the box body 42 is internally provided with a frequency converter body 40, a plurality of first springs 43 are distributed around the frequency converter body 40, one end of each first spring 43 is connected with the frequency converter body 40, the other end of each first spring is connected with the inner wall of the box body 42, the top and two sides of the box body 42 are provided with holes and provided with the filter plate 46, the heat dissipation grid 44 is arranged at the top of the box body 42 and arranged at the outer side of the filter plate 46, the mesh enclosure 45 is arranged at two sides of the box body 42 and arranged at the outer side of the filter plate 46, the support 47 is L-shaped and arranged, the one end fluting of a support section of thick bamboo 52 and the cover is at the 50 tip of supporting seat, cushion 53 is installed to the other end of a support section of thick bamboo 52, second spring 51 is installed in supporting seat 50, second spring 51 one end is even in supporting seat 50, the other end is even in a support section of thick bamboo 52, first spring 43 plays support and cushioning effect to converter body 40, make each chip can not receive the influence of vibrations and reduce efficiency at the during operation, filter 46 can filter dust and steam effectively when the gas circulation, keep dustless and dry of incasement environment, there is the handle on the upper portion of support 47, sucking disc 49 and the permanent magnet piece 48 of upper end can be fixed with the converter and hang on the shell of other equipment, easy to assemble and dismantle, the second spring 51 of lower extreme, a support section of thick bamboo 52 and cushion 53 play support and absorbing effect, help the stable installation of converter.
A working method of a frequency converter with an intracavity environment detection function comprises the following specific steps;
the method comprises the following steps: setting initial data such as voltage, current, frequency and phase of the output current of the frequency converter body 40 through the control button 37;
step two: obtaining a first temperature of the CPU chip 1 through the first temperature sensor 2, a second temperature of the IGBT chip 5 through the second temperature sensor 6, a third temperature of the rectifier 9 through the third temperature sensor 10, a fourth temperature of the filter 13 through the fourth temperature sensor 14, a fifth temperature of the inverter 17 through the fifth temperature sensor 18, and then transmitting these temperature data to the CPU chip 1 through the circuit board 27;
step three: comparing the obtained first to fifth temperatures with a preset rated temperature by the CPU chip 1, when the temperature is higher than the rated temperature, the CPU chip 1 conducts heat flow from the CPU chip 1, the IGBT chip 5, the rectifier 9, the filter 13 and the inverter 17 to each radiator by conducting forward power on each semiconductor patch, and when the temperature is lower than the rated temperature, the CPU chip 1 conducts reverse power on the CPU chip 1, the IGBT chip 5, the rectifier 9, the filter 13 and the inverter 17 to maintain the working temperature;
step four: the CPU chip 1 judges whether the frequency converter needs heat dissipation or heating, when the frequency converter needs heat dissipation, the heat dissipated by each radiator is transmitted to the outside of the frequency converter body 40 through the air inlet fan 28 and the air exhaust fan 29, and when the frequency converter needs heating, only the air exhaust fan 29 is started for air exchange;
step five: the CPU chip 1 analyzes the data of the leakage detector 34, judges whether the frequency converter body 40 leaks electricity, and closes each electronic device and sends out a maintenance request by using the wireless transmission chip 24 when the electricity leaks;
step six: the CPU chip 1 analyzes the data of the harmful gas sensor 21, the humidity sensor 22, the smoke sensor 23 and the sixth temperature sensor 35 to obtain the air composition, the humidity and the temperature of the environment;
step seven: the CPU chip 1 transmits all data to the outside through the wireless transmission chip 24, and receives instructions to adjust the output of the devices such as the IGBT chip 5, the rectifier 9, the filter 13, and the inverter 17, thereby adjusting the output current of the inverter body 40.
When the invention is used, the frequency converter is manually set through the control button 37, temperature data corresponding to the chip and the frequency converter is obtained through each temperature sensor, the CPU chip 1 is used for carrying out various adjustments on the frequency converter and judging whether each chip needs to dissipate heat or heat, each chip is maintained within a working temperature range through a semiconductor patch, air exchange and diversion are carried out through the air inlet fan 28 and the air outlet fan 29, the environment where the frequency converter is located is subjected to gas analysis and monitoring through the harmful gas sensor 21, the humidity sensor 22 and the smoke sensor 23, all data are transmitted outwards through the wireless transmission chip 24 and instructions are received so that the CPU chip 1 can adjust the frequency converter, the frequency converter is quickly installed on required equipment through the shock absorption box 41, so that the frequency converter can work in various severe environments, the wireless transmission chip 24 connects the frequency converter to the Internet, the contact with other equipment has been strengthened for this converter can detect the environment, the adjustment output, and the concentrated design of radiator makes the quick discharge converter body 40 of thermal current ability so that the heat dissipation, and the surge tank 41 has not only avoided processing operations such as punching on the shell of other equipment, thereby can also make the converter not receive the influence of external environment and stabilize work, has promoted work efficiency.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (3)
1. The utility model provides a converter with intracavity environment detects function, its characterized in that, includes converter body (40) and damper box (41), converter body (40) include circuit board (27), first temperature sensor (2), first radiator (3), first semiconductor paster (4), second temperature sensor (6), second radiator (7), second semiconductor paster (8), third temperature sensor (10), third radiator (11), third semiconductor paster (12), fourth temperature sensor (14), fourth radiator (15), fourth semiconductor paster (16), fifth temperature sensor (18), fifth radiator (19), fifth semiconductor paster (20), heat dissipation shell (26), air inlet fan (28), air discharge fan (29), power (30), heat insulating board (31), dust screen (32) The device comprises a frequency converter shell (33), a leakage detector (34), a sixth temperature sensor (35), a display screen (36), a control button (37), an input terminal (38) and an output terminal (39);
the high-power LED lamp is characterized in that a CPU chip (1), an IGBT chip (5), a rectifier (9), a filter (13), an inverter (17), a harmful gas sensor (21), a humidity sensor (22), a smoke sensor (23), a wireless transmission chip (24) and a capacitor (25) are installed on the circuit board (27), a first temperature sensor (2) is installed on one side of the CPU chip (1), a first semiconductor patch (4) is installed on the upper surface of the CPU chip (1), a first radiator (3) is installed on the upper surface of the first semiconductor patch (4), a second temperature sensor (6) is installed on one side of the IGBT chip (5), a second semiconductor patch (8) is installed on the upper surface of the IGBT chip (5), a second radiator (7) is installed on the upper surface of the second semiconductor patch (8), a third temperature sensor (10) is installed on one side of the rectifier (9), a third semiconductor patch (12) is arranged on the other side of the rectifier (9), a third radiator (11) is arranged on the other side of the third semiconductor patch (12), a fourth temperature sensor (14) is arranged on one side of the filter (13), a fourth semiconductor patch (16) is arranged on the other side of the filter (13), a fourth radiator (15) is arranged on the other side of the fourth semiconductor patch (16), a fifth temperature sensor (18) is arranged on one side of the inverter (17), a fifth semiconductor patch (20) is arranged on the upper surface of the inverter (17), a fifth radiator (19) is arranged on the upper surface of the fifth semiconductor patch (20), a heat dissipation shell (26) is sleeved outside the capacitor (25), and the circuit board (27) is installed inside the frequency converter shell (33) through screws;
the utility model discloses a high-efficient electronic ballast, including converter shell (33), air inlet fan (28) symmetry install the inside bottom side at converter shell (33), air discharge fan (29) are installed on the inside top side of converter shell (33), air inlet fan (28) and air discharge fan (29) are connected to circuit board (27) and are connected with CPU chip (1) through the wire, dust screen (32) are installed in the air inlet fan (28) outside, electric leakage detector (34) are installed inside converter shell (33), sixth temperature sensor (35) are installed on converter shell (33), power (30) are installed in converter shell (33) one side, heat insulating board (31) are installed between power (30) and converter shell (33) and are continuous with the two, display screen (36) are installed at converter shell (33) opposite side, control button (37) are installed on converter shell (33), be located display screen (36) downside, install on converter shell (33) input terminal (38) and install at control button (37) homonymy, input terminal (38) homonymy is installed in output terminal (39), power (30), electric leakage detector (34), sixth temperature sensor (35), display screen (36), control button (37), input terminal (38) and output terminal (39) are connected to circuit board (27) through the wire and are connected with CPU chip (1), install converter body (40) in surge tank (41).
2. The frequency converter with the intracavity environment detecting function as claimed in claim 1, wherein said shock-absorbing box (41) comprises a box body (42), a first spring (43), a heat-dissipating grid (44), a mesh (45), a filter plate (46), a bracket (47), a permanent magnet sheet (48), a suction cup (49), a support seat (50), a second spring (51), a support cylinder (52) and a rubber pad (53), wherein the box body (42) is provided with a box door, the box body (42) is internally provided with a frequency converter body (40), a plurality of said first springs (43) are distributed around the frequency converter body (40), one end of said first spring (43) is connected with the frequency converter body (40), the other end is connected with the inner wall of the box body (42), the top and two sides of the box body (42) are provided with holes and the filter plate (46), said heat-dissipating grid (44) is installed on the top of the box body (42) and is installed outside the filter plate (46), mesh enclosure (45) are installed in box (42) both sides and are installed in filter (46) outside, support (47) are L shape and install in box (42) both sides, permanent magnet piece (48) are installed to support (47) upper end, sucking disc (49) are installed in the upper end of support (47) and are wrapped up permanent magnet piece (48), the lower extreme at support (47) is installed in supporting seat (50), the one end fluting and the cover of a supporting cylinder (52) are at supporting seat (50) tip, and cushion (53) are installed to the other end of a supporting cylinder (52), install in supporting seat (50) second spring (51), and second spring (51) one end is even in supporting seat (50), and the other end is even in supporting cylinder (52).
3. A working method of a frequency converter with an intracavity environment detection function is characterized by comprising the following specific steps:
the method comprises the following steps: setting initial data such as voltage, current, frequency and phase of the output current of the frequency converter body (40) through a control button (37);
step two: obtaining a first temperature of the CPU chip (1) through a first temperature sensor (2), obtaining a second temperature of the IGBT chip (5) through a second temperature sensor (6), obtaining a third temperature of a rectifier (9) through a third temperature sensor (10), obtaining a fourth temperature of a filter (13) through a fourth temperature sensor (14), obtaining a fifth temperature of an inverter (17) through a fifth temperature sensor (18), and then transmitting the temperature data to the CPU chip (1) through a circuit board (27);
step three: comparing the first temperature to the fifth temperature obtained in the step two with a preset rated temperature by the CPU chip (1), when the temperature is higher than the rated temperature, conducting heat flow from the CPU chip (1), the IGBT chip (5), the rectifier (9), the filter (13) and the inverter (17) to the first radiator (19) to the fifth radiator by the CPU chip (1) through forward energization of the first semiconductor patch (20) to the fifth semiconductor patch (20), and when the temperature is lower than the rated temperature, reversely energizing the semiconductor patches by the CPU chip (1) so as to heat the devices and maintain the devices at the working temperature;
step four: the CPU chip (1) judges whether the frequency converter needs heat dissipation or heating, when the frequency converter needs heat dissipation, heat dissipated by each radiator is transmitted to the outside of the frequency converter body (40) through the air inlet fan (28) and the air exhaust fan (29), and when the frequency converter needs heating, only the air exhaust fan (29) is started for air exchange;
step five: the CPU chip (1) analyzes the data of the leakage detector (34), judges whether the frequency converter body (40) leaks electricity, and closes each electronic device and sends out a maintenance request by using the wireless transmission chip (24) when the electricity leaks;
step six: the CPU chip (1) analyzes data of the harmful gas sensor (21), the humidity sensor (22), the smoke sensor (23) and the sixth temperature sensor (35) to obtain air composition, humidity and temperature of the environment;
step seven: the CPU chip (1) sends all data to the outside through the wireless transmission chip (24), and simultaneously receives various instructions to adjust the output of devices such as the IGBT chip (5), the rectifier (9), the filter (13), the inverter (17) and the like, thereby adjusting the output current of the frequency converter body (40).
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CN202010942280.3A CN112152426B (en) | 2020-09-09 | 2020-09-09 | Frequency converter with intra-cavity environment detection function and working method thereof |
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CN113012402A (en) * | 2021-02-22 | 2021-06-22 | 台州市菱士达电器有限公司 | Intelligent monitoring system and intelligent monitoring method for frequency converter |
CN115242058A (en) * | 2022-09-19 | 2022-10-25 | 广州东芝白云菱机电力电子有限公司 | High-voltage frequency converter protection device based on self energy consumption of frequency converter |
DE202022102043U1 (en) | 2022-04-14 | 2023-07-18 | Sma Solar Technology Ag | Power electronic device with gas sensor |
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CN104035459A (en) * | 2014-06-06 | 2014-09-10 | 广东美的暖通设备有限公司 | Frequency converter and method for controlling temperature of frequency converter |
CN207992851U (en) * | 2018-03-26 | 2018-10-19 | 江西锐天科创电气科技有限公司 | A kind of injection molding machine Special frequency converter |
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CN104035459A (en) * | 2014-06-06 | 2014-09-10 | 广东美的暖通设备有限公司 | Frequency converter and method for controlling temperature of frequency converter |
CN207992851U (en) * | 2018-03-26 | 2018-10-19 | 江西锐天科创电气科技有限公司 | A kind of injection molding machine Special frequency converter |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113012402A (en) * | 2021-02-22 | 2021-06-22 | 台州市菱士达电器有限公司 | Intelligent monitoring system and intelligent monitoring method for frequency converter |
CN113012402B (en) * | 2021-02-22 | 2022-07-15 | 台州市菱士达电器有限公司 | Intelligent monitoring system and intelligent monitoring method for frequency converter |
DE202022102043U1 (en) | 2022-04-14 | 2023-07-18 | Sma Solar Technology Ag | Power electronic device with gas sensor |
CN115242058A (en) * | 2022-09-19 | 2022-10-25 | 广州东芝白云菱机电力电子有限公司 | High-voltage frequency converter protection device based on self energy consumption of frequency converter |
CN115242058B (en) * | 2022-09-19 | 2022-12-13 | 广州东芝白云菱机电力电子有限公司 | High-voltage frequency converter protection device based on self energy consumption of frequency converter |
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