CN107482883B - Power inverter with circuit protection device - Google Patents

Power inverter with circuit protection device Download PDF

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Publication number
CN107482883B
CN107482883B CN201710763094.1A CN201710763094A CN107482883B CN 107482883 B CN107482883 B CN 107482883B CN 201710763094 A CN201710763094 A CN 201710763094A CN 107482883 B CN107482883 B CN 107482883B
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CN
China
Prior art keywords
dissipating pipe
heat
protection device
power
circuit protection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201710763094.1A
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Chinese (zh)
Other versions
CN107482883A (en
Inventor
王金鹏
李志杰
李建平
吴晓燕
陈兆春
殷永恒
张铭昕
隋广胜
赵伟
王华一
王飞
孟涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Longkou Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
Longkou Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Longkou Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical Longkou Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority to CN201710763094.1A priority Critical patent/CN107482883B/en
Publication of CN107482883A publication Critical patent/CN107482883A/en
Application granted granted Critical
Publication of CN107482883B publication Critical patent/CN107482883B/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M1/00Details of apparatus for conversion
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M7/00Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/003Constructional details, e.g. physical layout, assembly, wiring or busbar connections
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
    • H02H7/125Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for rectifiers
    • H02H7/1252Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for rectifiers responsive to overvoltage in input or output, e.g. by load dump
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
    • H02H7/125Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for rectifiers
    • H02H7/1255Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for rectifiers responsive to internal faults, e.g. by monitoring ripple in output voltage
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20927Liquid coolant without phase change
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20945Thermal management, e.g. inverter temperature control

Abstract

Safe power inverter is used the invention discloses a kind of, including device housing, the bottom of described device shell is fixedly installed with symmetrical two root posts, power conversion apparatus and central controller are installed in the inner cavity of described device shell, alarm lamp and wireless sensor are respectively equipped at the top of described device shell, there is water pump in the outside of described device shell by the connection of main heat-dissipating pipe, the main heat-dissipating pipe is equipped with flow regulator, is also symmetrically arranged with the first heat-dissipating pipe and the second heat-dissipating pipe in the inner cavity of described device shell.This is passed through using safe power inverter using main heat-dissipating pipe, the first heat-dissipating pipe and the second heat-dissipating pipe, reaches saving water resource, while the effect of rapid cooling again;By the way that circuit protection device is arranged, reaches intelligent power-off, protect the effect of circuit, the effect of the safety of the device of reinforcement in use.

Description

Power inverter with circuit protection device
Technical field
The present invention relates to electrical equipment technical fields, specially have the power inverter of circuit protection device.
Background technique
In general, power inverter (for example, transformer) is exchanged for being converted by using electromagnetic induction phenomenon The device of current or voltage value, and be connected in series in transmission and distribution system, power inverter (for example, transformer) It is to receive the electrical equipment of AC power being introduced into primary side and by electromagnetic induction conversion voltage or electric current with will be through The voltage or electric current of conversion are supplied in primary side, and industrial development and quickling increase for electricity needs need high capacity electrically to set It applies, therefore is researching and developing the converter and small-sized and light weight electric power facility of high voltage and high capacity, the electric utility is logical It is usually used in pay high to execute when power inverter breaks down or damages due to power loss in good environment Your cost or fatal work, usually can be because of electric current in the circuit inside it when power inverter is worked Index is larger or produces biggish heat in the process of work, cause influence power inverter using the safe and longevity Life.
Summary of the invention
The purpose of the present invention is to provide the power inverters for having circuit protection device, to solve above-mentioned background technique The problem of middle proposition.
To achieve the above object, the invention provides the following technical scheme: having the power inverter of circuit protection device, Including device housing, the bottom of described device shell is fixedly installed with symmetrical two root posts, described device shell it is interior Power conversion apparatus and central controller are installed in chamber, alarm lamp and wireless is respectively equipped at the top of described device shell There is water pump in the outside of sensor, described device shell by the connection of main heat-dissipating pipe, and the main heat-dissipating pipe is equipped with flow regulator, Alarm lamp, wireless sensor, water pump and flow regulator are electrically connected the output end of central controller, and main heat-dissipating pipe It extends in the inner cavity of device housing, the first heat-dissipating pipe and the second heat-dissipating pipe is also symmetrically arranged in the inner cavity of described device shell, The first solenoid valve and second solenoid valve, the first solenoid valve and the second electricity are respectively equipped in first heat-dissipating pipe and the second heat-dissipating pipe Magnet valve is electrically connected central controller, has been fixed by the bracket temperature biography respectively on first heat-dissipating pipe and the second heat-dissipating pipe Sensor, the temperature sensor are electrically connected central controller, include circuit protection device in the power conversion apparatus.
Preferably, the circuit protection device includes microprocessor, power transformer, rectifier cell, filter, converter And capacitor, the power transformer, rectifier cell, filter, converter and capacitor are electrically connected with microprocessor.
Preferably, the inside of the power conversion apparatus is equipped with circuit board, and the output end of the circuit board is electrically connected center Controller, the circuit protection device are located at the electric connection of the input terminal on the circuit board and with the circuit board.
Preferably, exhaust fan, the control of exhausting mechatronics center are symmetrically arranged on first heat-dissipating pipe and the second heat-dissipating pipe Device processed, and exhaust fan enters wind scooper by guide duct, the wind scooper is located at the lower edges of device housing.
Preferably, the another port signal of the wireless sensor is connected to wireless control terminal.
Preferably, the side of the power conversion apparatus is additionally provided with power interface end, the input terminal of the central controller It is electrically connected to each other with power interface end.
Preferably, the output end of the filter is electrically connected voltage regulator circuit.
Compared with prior art, the beneficial effects of the present invention are: this is passed through using safe power inverter utilizes master Heat-dissipating pipe, the first heat-dissipating pipe and the second heat-dissipating pipe, so that the heat that temperature sensor senses generate when working to power conversion apparatus Amount, by the way that different temperature units is arranged, so that different signals is transferred to central control to different temperature by temperature sensor Device processed, central controller by the judgement of the processing scheme to different temperatures, thus control flow regulator, the first solenoid valve or The work of second solenoid valve regulates and controls the water being pumped by water pump effectively, reaches saving water resource, while rapid cooling again Effect;By the way that circuit protection device is arranged, so that when setting certain current limit value, microprocessor control rectification The unidirectional pulse voltage of the positive and negative alternate positive process of sinusoidal voltage, treated signal are transferred to filtering by element Device, filter remove the ripple component in unidirectional pulse voltage, and output voltage is made to become more smooth DC voltage, By accessing filter in voltage regulator circuit, alternating voltage is just thus become into DC voltage, capacitor phase in DC circuit When therefore, when the voltage in circuit has been more than certain value, controlling the circuit conversion property, reaching intelligent power-off in open circuit, protect The effect of protection circuit, the effect of the safety of the device of reinforcement in use.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention;
Fig. 2 is power conversion apparatus schematic diagram of internal structure.
In figure: 1 device housing, 2 power conversion apparatus, 201 circuit boards, 202 power interface ends, 3 central controllers, 4 electricity Line protection device, 401 microprocessors, 402 power transformers, 403 rectifier cells, 404 filters, 405 converters, 406 capacitors Device, 5 first heat-dissipating pipes, 501 first solenoid valves, 6 second heat-dissipating pipes, 601 second solenoid valves, 7 exhaust fans, 8 guide ducts, 9 wind-guidings Cover, 10 alarm lamps, 11 temperature sensors, 12 wireless sensors, 13 columns, 14 flow regulators, 15 water pumps, 16 main heat dissipations Pipe.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2: the power inverter with circuit protection device, packet Device housing 1 is included, the bottom of described device shell 1 is fixedly installed with symmetrical two root posts 13, described device shell 1 Power conversion apparatus 2 and central controller 3 are installed in inner cavity, the inside of the power conversion apparatus 2 is equipped with circuit board 201, The output end of the circuit board 201 is electrically connected central controller 3, the circuit protection device 4 be located on the circuit board 201 and with The input terminal of the circuit board 201 is electrically connected, and the side of the power conversion apparatus 2 is additionally provided with power interface end 202, it is described in The input terminal of centre controller 3 is electrically connected to each other with power interface end 202, and the top of described device shell 1 is respectively equipped with alarm and refers to Show lamp 10 and wireless sensor 12, there are water pump 15, the main heat dissipation in the outside of described device shell 1 by the connection of main heat-dissipating pipe 16 Pipe 16 is equipped with flow regulator 14, and alarm lamp 10, wireless sensor 12, water pump 15 and flow regulator 14 are electrically connected respectively The output end of central controller 3 is connect, the another port signal of the wireless sensor 12 is connected to wireless control terminal, and main scattered Heat pipe 16 extends in the inner cavity of device housing 1, and the first heat-dissipating pipe 5 and are also symmetrically arranged in the inner cavity of described device shell 1 It is respectively equipped with the first solenoid valve 501 and second solenoid valve 601 in two heat-dissipating pipes 6, first heat-dissipating pipe 5 and the second heat-dissipating pipe 6, First solenoid valve 501 and second solenoid valve 601 are electrically connected central controller 3, first heat-dissipating pipe 5 and the second heat-dissipating pipe Temperature sensor 11 is fixed by the bracket on 6 respectively, the temperature sensor 11 is electrically connected central controller 3, temperature sensing Device 11 senses the heat generated when power conversion apparatus 2 works, by the way that different temperature units is arranged, so that temperature sensor Different signals is transferred to central controller 3 by 11 pairs of different temperature, and central controller 3 passes through the processing side to different temperatures The judgement of case makes to be taken out by water pump 15 to control the work of flow regulator 14, the first solenoid valve 501 or second solenoid valve 601 The water entered is effectively regulated and controled, and saving water resource is reached, while the effect of rapid cooling again, first heat-dissipating pipe 5 and Exhaust fan 7 is symmetrically arranged on two heat-dissipating pipes 6, exhaust fan 7 is electrically connected central controller 3, and exhaust fan 7 is entered by guide duct 8 Wind scooper 9, the wind scooper 9 are located at the lower edges of device housing 1, include that circuit is protected in the power conversion apparatus 2 Protection unit 4, the circuit protection device 4 include microprocessor 401, power transformer 402, rectifier cell 403, filter 404, Converter 405 and capacitor 406, the power transformer 402, rectifier cell 403, filter 404, converter 405 and capacitor Device 406 is electrically connected with microprocessor 401, and the output end of the filter 404 is electrically connected voltage regulator circuit, circuit protection device 4, so that microprocessor 401 controls rectifier cell 403 for positive and negative alternate sine when setting certain current limit value The unidirectional pulse voltage of the positive process of alternating voltage, treated signal are transferred to filter 404, and filter 404 is by folk prescription To pulse voltage in ripple component removal, so that output voltage is become more smooth DC voltage, by by filter 404 It accessing in voltage regulator circuit, alternating voltage is just thus become into DC voltage, capacitor 406 is equivalent to open circuit in DC circuit, Therefore, when the voltage in circuit has been more than certain value, the circuit conversion property is controlled, reaches intelligent power-off, protects circuit Effect, the effect of the safety of the device of reinforcement in use.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (5)

1. a kind of power inverter with circuit protection device, including device housing (1), the bottom of described device shell (1) Portion is fixedly installed with symmetrical two root posts (13), is equipped with power conversion apparatus in the inner cavity of described device shell (1) (2) and central controller (3), it is characterised in that: alarm lamp (10) and nothing are respectively equipped at the top of described device shell (1) Line sensor (12), the outside of described device shell (1) is connected by main heat-dissipating pipe (16) to be had water pump (15), the main heat-dissipating pipe (16) flow regulator (14) are equipped with, alarm lamp (10), wireless sensor (12), water pump (15) and flow regulator (14) it is electrically connected the output end of central controller (3), and main heat-dissipating pipe (16) extends in the inner cavity of device housing (1), The first heat-dissipating pipe (5) and the second heat-dissipating pipe (6), first heat-dissipating pipe are also symmetrically arranged in the inner cavity of described device shell (1) (5) and in the second heat-dissipating pipe (6) the first solenoid valve (501) and second solenoid valve (601), the first solenoid valve (501) are respectively equipped with It is electrically connected central controller (3) with second solenoid valve (601), divides on first heat-dissipating pipe (5) and the second heat-dissipating pipe (6) It has not been fixed by the bracket temperature sensor (11), the temperature sensor (11) is electrically connected central controller (3), the electric power Include in conversion equipment (2) circuit protection device (4);
The circuit protection device (4) includes microprocessor (401), power transformer (402), rectifier cell (403), filter (404), converter (405) and capacitor (406), the power transformer (402), rectifier cell (403), filter (404), Converter (405) and capacitor (406) are electrically connected with microprocessor (401);
The inside of the power conversion apparatus (2) is equipped with circuit board (201), in the output end electrical connection of the circuit board (201) It entreats controller (3), the circuit protection device (4) is located on the circuit board (201) and electric with the input terminal of the circuit board (201) Property connection.
2. a kind of power inverter with circuit protection device according to claim 1, it is characterised in that: the filter The output end of wave device (404) is electrically connected voltage regulator circuit.
3. a kind of power inverter with circuit protection device according to claim 1, it is characterised in that: described It being symmetrically arranged with exhaust fan (7) on one heat-dissipating pipe (5) and the second heat-dissipating pipe (6), exhaust fan (7) is electrically connected central controller (3), and Exhaust fan (7) enters wind scooper (9) by guide duct (8), and the wind scooper (9) is located at the upper following of device housing (1) Edge.
4. a kind of power inverter with circuit protection device according to claim 3, it is characterised in that: the nothing The another port signal of line sensor (12) is connected to wireless control terminal.
5. a kind of power inverter with circuit protection device according to claim 4, it is characterised in that: the electricity The side of power conversion equipment (2) is additionally provided with power interface end (202), the input terminal and power interface of the central controller (3) End (202) is electrically connected to each other.
CN201710763094.1A 2016-03-22 2016-03-22 Power inverter with circuit protection device Active CN107482883B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710763094.1A CN107482883B (en) 2016-03-22 2016-03-22 Power inverter with circuit protection device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610163452.0A CN105634294B (en) 2016-03-22 2016-03-22 A kind of power inverter
CN201710763094.1A CN107482883B (en) 2016-03-22 2016-03-22 Power inverter with circuit protection device

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201610163452.0A Division CN105634294B (en) 2016-03-22 2016-03-22 A kind of power inverter

Publications (2)

Publication Number Publication Date
CN107482883A CN107482883A (en) 2017-12-15
CN107482883B true CN107482883B (en) 2019-07-19

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CN201610163452.0A Expired - Fee Related CN105634294B (en) 2016-03-22 2016-03-22 A kind of power inverter

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108337861B (en) * 2018-02-22 2020-02-21 德清利维通讯科技股份有限公司 Filter protection device
CN108922804A (en) * 2018-07-13 2018-11-30 周惠荣 One kind being used for civil construction electric power switching protective device
CN114698295B (en) * 2022-03-16 2023-10-03 国网山东省电力公司惠民县供电公司 Electric power simulation signal conversion device

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CN204242746U (en) * 2014-12-10 2015-04-01 广发电器集团有限公司 Heat radiating type triangle winding iron core transformer
CN104604115A (en) * 2013-05-21 2015-05-06 日立汽车系统株式会社 Power conversion apparatus
CN105210467A (en) * 2015-04-28 2015-12-30 株式会社小松制作所 Cooling housing for electronic device, electronic device, and construction machine
CN205610485U (en) * 2016-03-22 2016-09-28 国网山东省电力公司龙口市供电公司 Power conversion device safe in utilization

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CN104604115A (en) * 2013-05-21 2015-05-06 日立汽车系统株式会社 Power conversion apparatus
CN204242746U (en) * 2014-12-10 2015-04-01 广发电器集团有限公司 Heat radiating type triangle winding iron core transformer
CN105210467A (en) * 2015-04-28 2015-12-30 株式会社小松制作所 Cooling housing for electronic device, electronic device, and construction machine
CN205610485U (en) * 2016-03-22 2016-09-28 国网山东省电力公司龙口市供电公司 Power conversion device safe in utilization

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CN105634294A (en) 2016-06-01
CN107482883A (en) 2017-12-15
CN105634294B (en) 2018-04-10

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