CN105634294B - A kind of power inverter - Google Patents

Abstract

The invention discloses a power conversion device, which comprises a device housing, two mutually symmetrical uprights are fixedly mounted on the bottom of the device housing, and a power conversion device and a central controller are installed in the inner cavity of the device housing , the top of the device housing is respectively provided with an alarm indicator light and a wireless sensor, the outside of the device housing is connected to a water pump through the main heat dissipation pipe, and the main heat dissipation pipe is provided with a water flow regulator. The inner cavity of the body is also symmetrically provided with a first heat dissipation pipe and a second heat dissipation pipe. This power conversion device achieves the effect of saving water resources and rapidly dissipating heat by using the main heat dissipation pipe, the first heat dissipation pipe and the second heat dissipation pipe; by setting the circuit protection device, it can achieve the effect of intelligent power-off and circuit protection, and the enhanced The effect of the safety of the device during use.

Description

A power conversion device

technical field

The invention relates to the technical field of power equipment, in particular to a power conversion device.

Background technique

In general, a power conversion device (such as a transformer) is a device for converting an alternating current or voltage value by using an electromagnetic induction phenomenon, and is connected in series to a transmission and distribution system, and a power conversion device (such as a transformer) is a receiving Electric equipment that introduces AC power into the primary side and converts voltage or current by electromagnetic induction to supply the converted voltage or current into the secondary side, industrial development and rapid increase in power demand require high-capacity electric facilities, and therefore are being To develop high-voltage and high-capacity converters and small and light-weight electric facilities, which are generally used in benign environments, to perform operations that would be costly due to power loss or Fatal work, when the power conversion device is working, it often affects the safety and life of the power conversion device due to the large current index in the internal circuit or the large heat generated during the work process.

Contents of the invention

The purpose of the present invention is to provide a power conversion device to solve the problems raised in the background art above.

In order to achieve the above object, the present invention provides the following technical solution: a power conversion device, including a device housing, two mutually symmetrical uprights are fixedly installed on the bottom of the device housing, and the inner cavity of the device housing is installed There are power conversion equipment and a central controller, and the top of the device housing is respectively provided with an alarm indicator light and a wireless sensor. The outside of the device housing is connected to a water pump through the main heat dissipation pipe, and the main heat dissipation pipe is provided with The water flow regulator, the alarm indicator light, the wireless sensor, the water pump and the water flow regulator are respectively electrically connected to the output end of the central controller, and the main cooling pipe extends into the inner cavity of the device housing, and the inner cavity of the device housing is also A first heat dissipation pipe and a second heat dissipation pipe are arranged symmetrically, and a first solenoid valve and a second solenoid valve are respectively arranged in the first heat dissipation pipe and the second heat dissipation pipe, and the first solenoid valve and the second solenoid valve are respectively electrically connected to the central A controller, the first cooling pipe and the second cooling pipe are respectively fixed with temperature sensors through brackets, the temperature sensors are electrically connected to the central controller, and the power conversion equipment includes a circuit protection device.

Preferably, the circuit protection device includes a microprocessor, a power transformer, a rectifier, a filter, a converter and a capacitor, and the power transformer, the rectifier, a filter, a converter and a capacitor are all electrically connected to the microprocessor .

Preferably, a circuit board is arranged inside the power conversion equipment, the output end of the circuit board is electrically connected to the central controller, and the circuit protection device is located on the circuit board and electrically connected to the input end of the circuit board.

Preferably, the first heat dissipation pipe and the second heat dissipation pipe are symmetrically provided with an exhaust fan, the exhaust fan is electrically connected to the central controller, and the exhaust fan enters the air guide cover through the air guide pipe, and the air guide cover is respectively located in the device housing. the upper and lower edges.

Preferably, another port of the wireless sensor is signal-connected to the wireless control terminal.

Preferably, one side of the power conversion device is further provided with a power interface terminal, and the input terminal of the central controller is electrically connected to the power interface terminal.

Preferably, the output end of the filter is electrically connected to a voltage stabilizing circuit.

Compared with the prior art, the beneficial effect of the present invention is: the safe power conversion device makes use of the main heat dissipation pipe, the first heat dissipation pipe and the second heat dissipation pipe, so that the temperature sensor senses the heat generated when the power conversion equipment works , by setting different temperature units, the temperature sensor transmits different signals to the central controller for different temperatures, and the central controller controls the water flow regulator, the first solenoid valve or the second solenoid valve by judging the processing schemes for different temperatures. The work of the second solenoid valve makes the water pumped in by the pump effectively regulated, achieving the effect of saving water resources and quickly dissipating heat; by setting a circuit protection device, when a certain current limit value is set, the micro-processing The rectifier controls the rectifier element to forward the alternating positive and negative sinusoidal AC voltage to the unidirectional pulse voltage, and the processed signal is transmitted to the filter, and the filter removes the pulsation component in the unidirectional pulse voltage to make the output voltage smoother By connecting the filter to the voltage stabilizing circuit, the AC voltage is changed into a DC voltage. The capacitor is equivalent to an open circuit in the DC circuit. Therefore, when the voltage in the circuit exceeds a certain value, the control of the The nature of the circuit conversion achieves the effect of intelligent power-off and circuit protection, and the effect of enhancing the safety of the device during use.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a schematic diagram of the internal structure of the power conversion equipment.

In the figure: 1 device shell, 2 power conversion equipment, 201 circuit board, 202 power interface terminal, 3 central controller, 4 circuit protection device, 401 microprocessor, 402 power transformer, 403 rectifying element, 404 filter, 405 Converter, 406 capacitor, 5 first heat dissipation pipe, 501 first solenoid valve, 6 second heat dissipation pipe, 601 second solenoid valve, 7 exhaust fan, 8 air guide pipe, 9 air guide cover, 10 alarm indicator light, 11 Temperature sensor, 12 wireless sensors, 13 column, 14 water flow regulator, 15 water pump, 16 main cooling pipe.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-2, the present invention provides a technical solution: a power conversion device, including a device housing 1, the bottom of the device housing 1 is fixedly installed with two mutually symmetrical uprights 13, the device housing A power conversion device 2 and a central controller 3 are installed in the inner cavity of the body 1, and a circuit board 201 is arranged inside the power conversion device 2, and the output end of the circuit board 201 is electrically connected to the central controller 3, and the circuit board 201 is electrically connected to the central controller 3. The protection device 4 is located on the circuit board 201 and is electrically connected to the input end of the circuit board 201. One side of the power conversion device 2 is also provided with a power interface end 202. The input end of the central controller 3 is connected to the power supply. The interface ends 202 are electrically connected to each other. The top of the device housing 1 is respectively provided with an alarm indicator light 10 and a wireless sensor 12. The outside of the device housing 1 is connected to a water pump 15 through a main heat dissipation pipe 16. The pipe 16 is provided with a water flow regulator 14, the alarm indicator light 10, the wireless sensor 12, the water pump 15 and the water flow regulator 14 are respectively electrically connected to the output end of the central controller 3, and the other port signal of the wireless sensor 12 is connected to the wireless control terminal, and the main cooling pipe 16 extends into the inner cavity of the device housing 1, and the inner cavity of the device housing 1 is also symmetrically provided with a first cooling tube 5 and a second cooling tube 6, and the first cooling tube A first solenoid valve 501 and a second solenoid valve 601 are respectively arranged in the pipe 5 and the second heat dissipation pipe 6, and the first solenoid valve 501 and the second solenoid valve 601 are respectively electrically connected to the central controller 3, and the first heat dissipation pipe 5 and the second radiating pipe 6 are respectively fixed with temperature sensors 11 through brackets, and the temperature sensors 11 are electrically connected to the central controller 3, and the temperature sensors 11 sense the heat generated when the power conversion equipment 2 works. By setting different temperature units, The temperature sensor 11 transmits different signals to the central controller 3 for different temperatures, and the central controller 3 controls the water flow regulator 14, the first solenoid valve 501 or the second solenoid valve by judging the processing schemes for different temperatures The work of 601 makes the water sucked in by the water pump 15 be effectively regulated, so as to save water resources and quickly dissipate heat. The first heat dissipation pipe 5 and the second heat dissipation pipe 6 are symmetrically provided with exhaust fans 7, The exhaust fan 7 is electrically connected to the central controller 3, and the exhaust fan 7 enters the air guide cover 9 through the air guide pipe 8, and the air guide cover 9 is respectively located on the upper and lower edges of the device housing 1, and the power conversion device 2 includes a circuit Protection device 4, described circuit protection device 4 comprises microprocessor 401, power transformer 402, rectification element 403, filter 404, converter 405 and capacitor 406, described power transformer 402, rectification element 403, filter 404, conversion Both the filter 405 and the capacitor 406 are electrically connected to the microprocessor 401, and the output terminal of the filter 404 is electrically connected to the voltage stabilizing circuit and the circuit protection device 4, so that when a certain current limit value is set, the microprocessor 401 The control rectifier element 403 converts the alternating positive and negative sinusoidal AC voltage into a single-directional pulse voltage, and the processed signal is transmitted to Output to the filter 404, the filter 404 removes the pulsating components in the unidirectional pulse voltage, so that the output voltage becomes a relatively smooth DC voltage, and by connecting the filter 404 to the voltage stabilizing circuit, the AC voltage It becomes a DC voltage, and the capacitor 406 is equivalent to an open circuit in the DC circuit. Therefore, when the voltage in the circuit exceeds a certain value, the conversion property of the circuit is controlled to achieve the effect of intelligent power-off and circuit protection. The device is strengthened in use The effect on process safety.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (4)

1. A power conversion device, comprising a device housing (1), the bottom of the device housing (1) is fixed with two mutually symmetrical columns (13), the inner cavity of the device housing (1) A power conversion device (2) and a central controller (3) are installed in it, and it is characterized in that: an alarm indicator light (10) and a wireless sensor (12) are respectively provided on the top of the housing (1) of the device, and the device The outer side of the casing (1) is connected with a water pump (15) through the main heat dissipation pipe (16), and the main heat dissipation pipe (16) is provided with a water flow regulator (14), an alarm indicator light (10), a wireless sensor ( 12), the water pump (15) and the water flow regulator (14) are respectively electrically connected to the output end of the central controller (3), and the main cooling pipe (16) extends into the inner cavity of the device housing (1), the device The inner cavity of the housing (1) is also symmetrically provided with a first heat dissipation pipe (5) and a second heat dissipation pipe (6), and the first heat dissipation pipe (5) and the second heat dissipation pipe (6) are respectively provided with The first solenoid valve (501) and the second solenoid valve (601), the first solenoid valve (501) and the second solenoid valve (601) are respectively electrically connected to the central controller (3), and the first cooling pipe (5) The temperature sensor (11) is respectively fixed on the second cooling pipe (6) through the bracket, and the temperature sensor (11) is electrically connected to the central controller (3), and the power conversion equipment (2) includes a circuit protection device ( 4); the inside of the power conversion equipment (2) is provided with a circuit board (201), the output end of the circuit board (201) is electrically connected to the central controller (3), and the circuit protection device (4) is located in the on the circuit board (201) and electrically connected with the input end of the circuit board (201). 2. A power conversion device according to claim 1, characterized in that: the first heat dissipation pipe (5) and the second heat dissipation pipe (6) are symmetrically provided with an exhaust fan (7), and the exhaust fan (7 ) is electrically connected to the central controller (3), and the exhaust fan (7) enters the air guide cover (9) through the air guide pipe (8), and the air guide cover (9) is respectively located on the upper and lower edges of the device housing (1) . 3. The power conversion device according to claim 1, characterized in that: the other port of the wireless sensor (12) is signal-connected to a wireless control terminal. 4. The power conversion device according to claim 1, characterized in that: one side of the power conversion equipment (2) is also provided with a power interface (202), and the input of the central controller (3) The terminal and the power interface terminal (202) are electrically connected to each other.