CN118301867A - Inverter with a power supply - Google Patents
Inverter with a power supply Download PDFInfo
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- CN118301867A CN118301867A CN202410719195.9A CN202410719195A CN118301867A CN 118301867 A CN118301867 A CN 118301867A CN 202410719195 A CN202410719195 A CN 202410719195A CN 118301867 A CN118301867 A CN 118301867A
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- component
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- pressure
- driving
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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
- H05K5/10—Casings, cabinets or drawers for electric apparatus comprising several parts forming a closed casing
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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
- 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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- 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)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
本申请涉及光伏设备技术领域，公开一种逆变器。逆变器包括外壳、元器组件、检测组件和泄压装置。外壳设有第一收容腔，元器组件和检测组件设置在第一收容腔内，检测组件与元器组件电连接。泄压装置包括气热交换组件和通闭组件，气热交换组件设置在外壳并且设有连通第一收容腔和外界的第一通道，通闭组件连接于气热交换组件并且与元器组件电连接，通闭组件根据检测组件的检测信号实现第一通道的打开和闭合。通过设置检测组件和泄压装置结合，使得逆变器能够对第一收容腔进行实时监控，使得泄压装置能够及时调节第一收容腔的气温和气压，降低高温高压或低温低压的环境对元器组件造成损伤，从而保证元器组件的工作性能。
The present application relates to the technical field of photovoltaic equipment, and discloses an inverter. The inverter includes a housing, a component assembly, a detection assembly, and a pressure relief device. The housing is provided with a first receiving chamber, the component assembly and the detection assembly are arranged in the first receiving chamber, and the detection assembly is electrically connected to the component assembly. The pressure relief device includes an air-heat exchange assembly and an opening-closing assembly, the air-heat exchange assembly is arranged in the housing and is provided with a first channel connecting the first receiving chamber and the outside, the opening-closing assembly is connected to the air-heat exchange assembly and is electrically connected to the component assembly, and the opening-closing assembly realizes the opening and closing of the first channel according to the detection signal of the detection assembly. By setting up a combination of the detection assembly and the pressure relief device, the inverter can monitor the first receiving chamber in real time, and the pressure relief device can timely adjust the air temperature and air pressure of the first receiving chamber, reduce the damage caused to the component assembly by the high temperature and high pressure or low temperature and low pressure environment, thereby ensuring the working performance of the component assembly.
Description
Technical Field
The embodiment of the application relates to the technical field of photovoltaic equipment, in particular to an inverter.
Background
The ventilation scheme used by the photovoltaic inverter and the energy storage machine at present is to install a ventilation valve or an explosion-proof valve, and the ventilation effect cannot be achieved by monitoring the internal pressure of the machine in real time; the ventilation efficiency of the ventilation valve can reach a normal peak value only when the pressure difference reaches more than 0.7MPa, and the ventilation efficiency is lower under the pressure difference of less than 0.7MPa, namely the ventilation is slow when the pressure difference in the machine is overlarge, so that the failure rate of some components is high under high pressure; the explosion-proof valve can be opened for venting only when the pressure difference reaches 8KPa, namely, a high pressure difference environment exists in the machine all the time, and the tightness and the reliability of the machine are affected.
And to the inside high heat that produces of machine, hardly take away heat through ventilative devices such as ventilative valve or explosion-proof valve, the inside environment state that is in a high temperature for a long time of machine, the reliability to components and parts is influenced easily, and the failure rate is high.
Disclosure of Invention
The technical problem to be solved by the embodiment of the application is to provide an inverter which can monitor the temperature and the air pressure in the inverter in real time, and can reduce the temperature in the inverter and keep the balance of internal and external pressure differences in a shorter time when the temperature and the air pressure reach or exceed safe preset values; in the event that the preset safety threshold is not reached, the interior of the inverter meets the air tightness requirement.
In order to solve the technical problems, one technical scheme adopted by the embodiment of the application is as follows: an inverter is provided that includes a housing, a component assembly, a detection assembly, and a pressure relief device. The shell is provided with a first accommodating cavity; the element device component is arranged in the first accommodating cavity; the detection component is arranged in the first accommodating cavity and is electrically connected with the element component; the pressure relief device comprises a gas heat exchange component and a closing component, the gas heat exchange component is arranged on the shell, and the gas heat exchange component is provided with a first channel which is communicated with the first accommodating cavity and the outside; the opening and closing assembly is connected with the air heat exchange assembly and is electrically connected with the element assembly, and the opening and closing assembly is used for opening and closing the first channel according to detection signals of the detection assembly.
In some embodiments, the housing is provided with a first through hole; the gas-heat exchange assembly comprises a connecting pipe, the connecting pipe is arranged in the first through hole, and a first through channel is arranged in the connecting pipe; the opening and closing assembly comprises a driving part and a sealing cover, wherein the driving part is arranged on the shell or the connecting pipe, the driving part is connected with the sealing cover, and the driving part drives the sealing cover to open or close the first channel.
In some embodiments, the connecting tube comprises a first section and a second section connected, the first section having a diameter greater than the diameter of the first through hole, the second section having a diameter less than the diameter of the first through hole, the second section passing through the first through hole; the air heat exchange assembly further comprises a first fastener, the first fastener is connected to the second section, and the first fastener and the first section are respectively arranged on two sides of the shell; or the gas-heat exchange assembly further comprises a first fastener and a first sealing element, the first fastener is connected to the second section, the first fastener and the first section are respectively arranged on two sides of the shell, the first sealing element is arranged between the first fastener and the shell, and/or the first sealing element is arranged between the first section and the shell.
In some embodiments, the diameter D of the first channel satisfies: d is more than or equal to 10mm and less than or equal to 50mm.
In some embodiments, the opening and closing assembly further comprises a second fastener and a support rod, the second fastener is arranged on the housing, the support rod is provided with a first end and a second end which are opposite, the first end of the support rod is rotationally connected with the second fastener, and the sealing cover is arranged on the second end of the support rod; the driving part is connected with the supporting rod to drive the supporting rod to rotate, so that the sealing cover is abutted with or separated from the connecting pipe.
In some embodiments, the housing is provided with a second through hole; the driving part comprises an electric cylinder and a third fastening piece, the electric cylinder comprises a main body piece and a telescopic rod, the main body piece is arranged through the second through hole in a penetrating mode, the third fastening piece is connected with the main body piece, and the shell is clamped between the third fastening piece and the main body piece; the main part is connected with the metaware subassembly electricity, and the telescopic link is connected in the inside of main part and can do telescopic motion for the main part, and the telescopic link is connected with the bracing piece to drive the bracing piece and rotate.
In some embodiments, the inverter further comprises a fan assembly disposed within the first housing cavity, the fan assembly electrically connected to the component assembly, the fan assembly configured to accelerate the flow of gas within the first channel.
In some embodiments, the detection assembly includes a temperature detection component and a pressure detection component; the element device assembly comprises a circuit board arranged in the first accommodating cavity, a driving board electrically connected with the circuit board, a first relay and a second relay; the temperature detection component and the pressure detection component are electrically connected with the driving plate, the first relay is electrically connected with the fan assembly, and the second relay is electrically connected with the driving component.
In some embodiments, the circuit board is provided with a first control circuit, and the first relay and the second relay are both electrically connected with the first control circuit; or the circuit board is provided with a first control circuit and a second control circuit, the first relay is electrically connected with the first control circuit, and the second relay is electrically connected with the second control circuit.
In some embodiments, the drive board is provided with a first drive circuit, the temperature detection component and the pressure detection component are both electrically connected with the first drive circuit, and the first control circuit and the second control circuit are both electrically connected with the first drive circuit; or the driving plate comprises a first plate and a second plate, the first plate is provided with a first driving circuit, the second plate is provided with a second driving circuit, the temperature detection part and the pressure detection part are electrically connected with the first driving circuit and the second driving circuit at the same time, the first control circuit is electrically connected with the first driving circuit, and the second control circuit is electrically connected with the second driving circuit.
In some embodiments, the temperature detection component includes a temperature sensor electrically connected to the drive plate; and/or the pressure detection component comprises a first pressure sensing probe, a second pressure sensing probe and a pressure difference sensor, wherein the pressure difference sensor is electrically connected with the driving plate, the first pressure sensing probe and the second pressure sensing probe are both electrically connected with the pressure difference sensor, the first pressure sensing probe is positioned in the first accommodating cavity, and the second pressure sensing probe is positioned outside the first accommodating cavity.
In some embodiments, the housing is further provided with a third through hole; the inverter further comprises a ventilation device, and the ventilation device is arranged on the third through hole; the ventilation device is used for adjusting the air temperature and the air pressure in the first accommodating cavity. When the air temperature and the air pressure in the first accommodating cavity are within a preset safety threshold range, the ventilation device responds and adjusts preferentially compared with the pressure relief device; when the air temperature and the air pressure in the first accommodating cavity are out of the preset safety threshold range, the pressure relief device responds and adjusts preferentially compared with the ventilation device.
In some embodiments, the ventilation device includes a ventilation valve and a protection cover, the ventilation valve is disposed in the third through hole, the ventilation valve is used for adjusting the air temperature and the air pressure in the first accommodating cavity, the protection cover is connected to the ventilation valve, and the protection cover is used for opening the ventilation valve or covering the ventilation valve.
The inverter provided by the embodiment of the application comprises a shell, a component assembly, a detection assembly and a pressure relief device. The shell is provided with a first accommodating cavity, the element assembly and the detection assembly are arranged in the first accommodating cavity, and the detection assembly is electrically connected with the element assembly. The pressure relief device comprises a gas heat exchange component and a closing component, wherein the gas heat exchange component is arranged on the shell and is provided with a first channel communicated with the first accommodating cavity and the outside, the closing component is connected with the gas heat exchange component and is electrically connected with the element device component, and the closing component is used for realizing the opening and closing of the first channel according to a detection signal of the detection component. Through setting up detection component and pressure relief device and combining for the dc-to-ac converter can carry out real time monitoring to first chamber of acceping, makes pressure relief device can in time adjust first chamber of acceping and atmospheric pressure, reduces high temperature high pressure or low temperature low pressure's environment and causes the damage to the element ware subassembly, thereby guarantees the working property of element ware subassembly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are used in the description of the embodiments will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
Fig. 1 is a schematic diagram of an inverter according to an embodiment of the application.
Fig. 2 is an exploded view of an inverter according to an embodiment of the present application.
Fig. 3 is an exploded view of a pressure relief device of an inverter according to an embodiment of the present application.
Fig. 4 is an enlarged view of a portion a of the inverter in fig. 5 when the driving part opens the first passage.
Fig. 5 is a schematic diagram of the inverter according to the embodiment of the present application, with the first housing omitted.
Fig. 6 is a schematic diagram of a first circuit connection of an inverter according to an embodiment of the application.
Fig. 7 is a schematic diagram of a second circuit connection of an inverter according to an embodiment of the application.
Fig. 8 is a schematic diagram of a third circuit connection of an inverter according to an embodiment of the application.
Detailed Description
In order that the application may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "upper," "lower," "inner," "outer," "vertical," "horizontal," and the like as used in this specification, refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.
In addition, the technical features mentioned in the different embodiments of the application described below can be combined with one another as long as they do not conflict with one another.
Referring to fig. 1 and 2, an inverter 100 is provided in an embodiment of the present application, and the inverter 100 includes a housing 10, a pressure relief device 20, a detection assembly 30, and a component assembly 40. The housing 10 is provided with a first accommodating cavity 13, the detecting assembly 30 and the element assembly 40 are arranged in the first accommodating cavity 13, and the detecting assembly 30 is electrically connected with the element assembly 40. A pressure relief device 20 is provided on the housing 10. The pressure relief device 20 comprises a gas heat exchange assembly 21 and a closing assembly 22, wherein the gas heat exchange assembly 21 is arranged on the shell 10, the gas heat exchange assembly 21 is provided with a first channel 211a (shown in fig. 3), and the first channel 211a communicates the first accommodating cavity 13 with the outside. The opening and closing assembly 22 is connected with the air-heat exchange assembly 21, and the opening and closing assembly 22 is electrically connected with the element assembly 40, and the opening and closing assembly 22 can realize the opening and closing of the first channel 211a according to the detection signal processed by the element assembly 40, so that the first accommodating cavity 13 can realize air-heat exchange with the outside through the first channel 211a, or the tightness of the first accommodating cavity 13 can be maintained.
According to the inverter 100 provided by the embodiment of the application, the detection assembly 30 is arranged to monitor the interior of the shell 10 in real time, the detection assembly 30 sends detection signals to the element assembly 40, and the detection signals are processed by the element assembly 40 and then sent to the pressure relief device 20, so that the pressure relief device 20 can timely and accurately regulate the air temperature and the air pressure in the shell 10, the damage to the element assembly 40 caused by the high-temperature and high-pressure environment or the low-pressure environment is reduced, the element assembly 40 is ensured to work in the environment with temperature and pressure adaptation, and the working performance of the element assembly 40 is ensured.
For the above-mentioned housing 10, referring to fig. 2, the housing 10 includes a first housing 11 and a second housing 12, the second housing 12 is a container with an opening, the first housing 11 covers the opening of the second housing 12, and the first housing 11 and the second housing 12 are connected to form a first accommodating cavity 13 together. In some embodiments, to further enhance the sealability of the connection between the first housing 11 and the second housing 12, the case 10 further includes a sealing strip 14, the sealing strip 14 being disposed between the first housing 11 and the second housing 12, thereby sealing the gap between the first housing 11 and the second housing 12.
Referring to fig. 2 and 3, a first through hole 121 is formed in a sidewall of the second housing 12. The gas-heat exchange assembly 21 comprises a connecting pipe 211, the connecting pipe 211 is arranged in the first through hole 121 in a penetrating way, a first channel 211a which is axially penetrated is arranged in the connecting pipe 211, and the first accommodating cavity 13 is communicated with the outside through the first channel 211a. Referring to fig. 4 together, the opening and closing assembly 22 includes a driving part 221 and a sealing cover 222, the driving part 221 is disposed on the second housing 12 or in the first passage 211a of the connection tube 211, the driving part 221 is connected with the sealing cover 222, and the sealing cover 222 is driven to move to open or close the first passage 211a. Through setting up the motion that drive part 221 driven sealed lid 222, on the one hand, when needs carry out temperature and atmospheric pressure to first chamber 13 and adjust, can realize quick opening and the quick closure of first passageway 211a, improve the efficiency and the degree of accuracy of adjusting, on the other hand, compare in the disposable adjusting device such as explosion-proof valve and relief valve among the prior art or along with adjusting the device that the number of times increases and the regulation effect reduces, drive the mode that sealed lid 222 moved through drive part 221 and adjusted, the number of times of adjusting can greatly increased and guarantee the effect of adjusting.
In some embodiments, the inside of the connection tube 211 forms a cylindrical first passage 211a, and the diameter D of the first passage 211a satisfies: d is more than or equal to 10mm and less than or equal to 50mm. By setting the diameter of the first passage 211a in the range of 10mm to 50mm, the first passage 211a can be made sufficiently large, so that rapid adjustment of the air temperature and the air pressure in the first housing chamber 13 can be achieved when the seal cover 222 opens the first passage 211 a.
Referring to fig. 3, in some embodiments, the connection tube 211 includes a first section 2111 and a second section 2112 connected, wherein the first section 2111 has a diameter larger than that of the first through hole 121, the second section 2112 has a diameter smaller than that of the first through hole 121, the second section 2112 is disposed through the first through hole 121, and the first section 2111 abuts against a sidewall of the second housing 12. The gas-heat exchange assembly 21 further includes a first fastener 212, the first fastener 212 is coupled to the second section 2112 and the first fastener 212 abuts against the sidewall of the second housing 12, and the first fastener 212 and the first section 2111 are respectively located at both sides of the sidewall of the second housing 12 to clamp the sidewall of the second housing 12, so that the connection pipe 211 can be fixed to the second housing 12. It will be appreciated that in some embodiments, the first segment 2111 is located within the first receiving cavity 13 and the first fastener 212 is located outside of the first receiving cavity 13. Of course, in other embodiments, the first segment 2111 can be located outside of the first receiving cavity 13 and the first fastener 212 can be located within the first receiving cavity 13.
With continued reference to fig. 3, in some embodiments, the gas-heat exchange assembly 21 further includes a first seal 213, the first seal 213 disposed between the first fastener 212 and the second housing 12 to seal a gap between the first fastener 212 and the second housing 12 and a gap between the first fastener 212 and the second section 2112; and/or the first sealing member 213 is provided between the first section 2111 and the second housing 12, thereby sealing a gap between the first section 2111 and the second housing 12, thereby improving the air tightness in the first housing chamber 13.
The driving part 221 mentioned above may be provided on the second housing 12 or in the first passage 211a of the connection pipe 211, the driving part 221 being connected with the sealing cover 222, and driving the sealing cover 222 to move to open or close the first passage 211a.
As an example, the driving part 221 may be provided in the first passage 211a of the connection pipe 211, i.e., the driving part 221 is connected to the connection pipe 211, and the driving part 221 drives the sealing cap 222 to move in the axial direction of the first passage 211a, thereby realizing that the sealing cap 222 opens the end of the first passage 211a or that the sealing cap 222 closes the end of the first passage 211 a.
As another embodiment, referring to fig. 3 and 4, the driving part 221 is provided on the second housing 12. The closure assembly 22 further includes a second fastener 223 and a support rod 224, the second fastener 223 being disposed on the outside of the second housing 12, the support rod 224 having opposite first and second ends 224a and 224b, the first end 224a of the support rod 224 being rotatably coupled to the second fastener 223, the seal cap 222 being disposed on the second end 224b of the support rod 224 and being on a side adjacent to the connecting tube 211. The driving part 221 is connected with the support bar 224 to drive the support bar 224 to rotate, so that the sealing cover 222 is abutted with the end of the connection tube 211 to close the first passage 211a, or the sealing cover 222 is separated from the end of the connection tube 211 to open the first passage 211a. It will be understood that fig. 1 is a schematic view of the driving part 221 driving the sealing cap 222 to close the first passage 211a, and fig. 4 is a schematic view of the driving part 221 driving the sealing cap 222 to open the first passage 211a.
With continued reference to fig. 3 and 4, the second through hole 122 is formed in the side wall of the second housing 12, the driving component 221 includes an electric cylinder 2211 and a third fastening member 2212, the electric cylinder 2211 includes a main body 22111 and a telescopic rod 22112, the main body 22111 is disposed at the second through hole 122 and abuts against the side wall of the second housing 12, the third fastening member 2212 is connected to the main body 22111, and the third fastening member 2212 and the main body 22111 are respectively located on two sides of the side wall of the second housing 12 to clamp the second housing 12, so as to fix the main body 22111 on the second housing 12. The main body 22111 is electrically connected with the element assembly 40, the telescopic rod 22112 is connected inside the main body 22111, and the telescopic rod 22112 can perform telescopic movement relative to the main body 22111 in the axial direction of the main body 22111, and the end part of the telescopic rod 22112 is also connected with the supporting rod 224 so as to drive the supporting rod 224 to rotate, so that the sealing cover 222 is driven to move.
In some embodiments, the driving part 221 further includes a second sealing member 2213, where the second sealing member 2213 is disposed between the main body 22111 and the third fastening member 2212, so as to seal a gap between the main body 22111 and the second housing 12, and ensure that the air tightness of the first receiving cavity 13 is good.
It should be noted that, in the above embodiment, the driving component 221 may be an electric cylinder 2211, or may be other structures that drive the sealing cover 222 to move, for example, a telescopic cylinder, a worm gear assembly, a motor assembly, a gear assembly, etc., and only need to drive the sealing cover 222 to move to open or close the first channel 211 a.
In some embodiments, referring to fig. 2 and 4, the inverter 100 further includes a fan assembly 50, where the fan assembly 50 is disposed in the first accommodating cavity 13 and electrically connected to the component assembly 40, and the fan assembly 50 is used to accelerate the flow of the gas in the first channel 211a, so as to accelerate the speed of the heat exchange between the first accommodating cavity 13 and the outside air. As an example, the fan assembly 50 includes a fan 51 and a fourth fastener 52, the fan 51 being fixed to the inside of the second housing 12 by the fourth fastener 52, the fan 51 being electrically connected to the cell assembly 40. Wherein the fan 51 has two states of forward rotation and reverse rotation, for example, when the first accommodating chamber 13 is in a high-temperature or high-pressure state, the component assembly 40 controls the fan 51 to forward rotate, so as to accelerate and blow out the gas in the first accommodating chamber 13 from the first channel 211a, and reduce the air temperature and the air pressure in the first accommodating chamber 13; when the first accommodating chamber 13 is in a low pressure state, the actuator assembly 40 controls the fan 51 to rotate reversely, so that the external air is sucked into the first accommodating chamber 13 from the first channel 211a at a high speed, and the air pressure in the first accommodating chamber 13 is increased.
For the above-mentioned detecting assembly 30, referring to fig. 5, the detecting assembly 30 includes a temperature detecting component 31 and a pressure detecting component 32, where the temperature detecting component 31 and the pressure detecting component 32 are electrically connected with the component 40, the temperature detecting component 31 is used to detect temperature information in the first accommodating cavity 13 and transmit the detected temperature information to the component 40, the pressure detecting component 32 is used to detect first pressure information in the first accommodating cavity 13 and second pressure information outside the inverter 100, calculate the first pressure information and the second pressure information and transmit the calculated first pressure information and second pressure information to the component 40, and the component 40 controls the driving component 221 to drive the sealing cover 222 to move according to the temperature information, the first pressure information and the second pressure information and controls the fan 51 to be turned on or off, so as to implement rapid adjustment of the temperature and the air pressure in the first accommodating cavity 13.
The temperature detecting member 31 includes a temperature sensor 311, and the temperature sensor 311 is provided on the cell assembly 40. The pressure detecting component 32 includes a first pressure sensing probe 321, a second pressure sensing probe 322, and a differential pressure sensor 323, where the differential pressure sensor 323 is disposed on the component 40, the first pressure sensing probe 321 and the second pressure sensing probe 322 are both electrically connected with the differential pressure sensor 323, the first pressure sensing probe 321 is located in the first accommodating cavity 13 to detect first pressure information in the first accommodating cavity 13, and the second pressure sensing probe 322 is located outside the first accommodating cavity 13 to detect second pressure information of the outside. The differential pressure sensor 323 receives the first pressure information and the second pressure information, calculates the pressure difference information, and transmits the pressure difference information to the cell unit 40.
For the above-described component 40, referring to fig. 5, the component 40 includes a circuit board 41, a driving board 42, a first relay 43, and a second relay 44. The circuit board 41 is provided on the second housing 12, and the drive board 42, the first relay 43, and the second relay 44 are all provided on the circuit board 41 and electrically connected to the circuit board 41. Wherein both the temperature detecting member 31 and the pressure detecting member 32 are electrically connected to the driving plate 42, the first relay 43 electrically connects the driving plate 42 to the fan assembly 50, and the second relay 44 electrically connects the driving plate 42 to the driving member 221. The circuit board 41 is a PCB circuit board, and the circuit board 41 is electrically connected with other operating components in addition to the driving board 42, the first relay 43, the second relay 44, the temperature sensor 311, and the differential pressure sensor 323, which is not limited herein.
Referring to fig. 5 and 6, the driving board 42 is provided with a first driving circuit, and the temperature sensor 311 and the differential pressure sensor 323 are electrically connected to the first driving circuit. The circuit board 41 is provided with a first control circuit, and the first relay 43 and the second relay 44 are electrically connected to the first control circuit, i.e., the first relay 43 and the second relay 44 share the first control circuit.
In the present embodiment, when the differential pressure sensor 323 outputs a processed electric signal after calculating the first pressure information and the second pressure information, the first driving circuit responds to the electric signal. If the absolute value of the voltage difference corresponding to the electric signal is smaller than 0.5KPa, the first driving circuit filters the signal, namely the first driving circuit is not started; if the absolute value of the differential pressure corresponding to the electric signal is greater than or equal to 0.5KPa, the first driving circuit responds to the signal, and the first driving circuit starts to work and forms a first response signal; the first driving circuit transmits a first response signal to the first control circuit, the first control circuit outputs a first control signal, and the first control signal turns on the first relay 43 and the second relay 44, respectively; the first relay 43 controls the fan 51 to be started; the second relay 44 controls the driving part 221 to drive the sealing cover 222 to move so as to open the first passage 211a, the inside and outside environments of the inverter 100 start ventilation, and take away heat inside the inverter 100 until the inside and outside pressures of the inverter 100 are balanced (the pressure difference is less than 80 Pa), triggers the electric signal to control the fan 51 to be turned off, and controls the driving part 221 to drive the sealing cover 222 to move so as to close the first passage 211a, maintaining the tightness of the first receiving chamber 13.
After the temperature sensor 311 outputs the processed electric signal, the first driving circuit responds to the electric signal. If the temperature corresponding to the electric signal is less than 50 ℃, the first driving circuit filters the electric signal, and the first driving circuit is not started; if the temperature corresponding to the electric signal is greater than or equal to 50 ℃, the first driving circuit responds to the electric signal, and the first driving circuit starts to work and forms a second response signal; the first driving circuit transmits a second response signal to the first control circuit, the first control circuit outputs a second control signal, and the second control signal turns on the first relay 43 and the second relay 44 respectively; the first relay 43 controls the fan 51 to be started; the second relay 44 controls the driving part 221 to drive the sealing cover 222 to move so as to open the first passage 211a, the inside and the outside environment of the inverter 100 start ventilation, and take away heat inside the inverter 100 until the temperature inside the first accommodating chamber 13 is reduced to 30 ℃, triggers the electric signal to control the fan 51 to be turned off, and controls the driving part 221 to drive the sealing cover 222 to move so as to close the first passage 211a and maintain the tightness of the first accommodating chamber 13.
Referring to fig. 5 and 7, the driving board 42 is provided with a first driving circuit, and the temperature sensor 311 and the differential pressure sensor 323 are electrically connected to the first driving circuit. The circuit board 41 is provided with a first control circuit and a second control circuit, both of which are electrically connected to the first driving circuit. The first relay 43 is electrically connected to the first control circuit, and the second relay 44 is electrically connected to the second control circuit. The difference from the above embodiment is that: the first relay 43 and the second relay 44 in this embodiment each have an independent control circuit.
In the present embodiment, when the differential pressure sensor 323 outputs a processed electric signal after calculating the first pressure information and the second pressure information, the first driving circuit responds to the electric signal. If the absolute value of the voltage difference corresponding to the electric signal is smaller than 0.5KPa, the first driving circuit filters the signal, namely the first driving circuit is not started; if the absolute value of the differential pressure corresponding to the electric signal is greater than or equal to 0.5KPa, the first driving circuit responds to the signal, and the first driving circuit starts to work and forms a first response signal; the first driving circuit transmits a first response signal to the first control circuit and the second control circuit respectively, the first control circuit outputs the first control signal to conduct the first relay 43, and the first relay 43 controls the fan 51 to start; the second control circuit outputs a second control signal to turn on the second relay 44, the second relay 44 controls the driving part 221 to drive the sealing cover 222 to move so as to open the first channel 211a, the inside and outside environments of the inverter 100 start ventilation and take away heat inside the inverter 100 until the inside and outside pressures of the inverter 100 are balanced (the pressure difference is less than 80 Pa), the electric signal is triggered to control the fan 51 to be turned off, and the driving part 221 is controlled to drive the sealing cover 222 to move so as to close the first channel 211a and maintain the tightness of the first accommodating cavity 13.
After the temperature sensor 311 outputs the processed electric signal, the first driving circuit responds to the electric signal. If the temperature corresponding to the electric signal is less than 50 ℃, the first driving circuit filters the electric signal, and the first driving circuit is not started; if the temperature corresponding to the electric signal is greater than or equal to 50 ℃, the first driving circuit responds to the electric signal, and the first driving circuit starts to work and forms a second response signal; the first driving circuit transmits the second response signals to the first control circuit and the second control circuit respectively, the first control circuit outputs a third control signal to conduct the first relay 43, and the first relay 43 controls the fan 51 to start; the second control circuit outputs a fourth control signal to turn on the second relay 44, the second relay 44 controls the driving part 221 to drive the sealing cover 222 to move so as to open the first channel 211a, ventilation is started between the inside and the outside environment of the inverter 100, heat in the inverter 100 is taken away until the temperature in the first accommodating cavity 13 is reduced to 30 ℃, the electric signal is triggered to control the fan 51 to be closed, and the driving part 221 is controlled to drive the sealing cover 222 to move so as to close the first channel 211a and keep the tightness of the first accommodating cavity 13.
Referring to fig. 5 and 7, the driving board 42 includes a first board 421 and a second board 422, wherein the first board 421 is provided with a first driving circuit, and the second board 422 is provided with a second driving circuit, and the temperature sensor 311 and the differential pressure sensor 323 are electrically connected to the first driving circuit and the second driving circuit at the same time. The circuit board 41 is provided with a first control circuit electrically connected to the first driving circuit and a second control circuit electrically connected to the second driving circuit. The first relay 43 is electrically connected to the first control circuit, and the second relay 44 is electrically connected to the second control circuit. The difference from the above embodiment is that: the first control circuit and the second control circuit in this embodiment each have an independent driving circuit.
In the present embodiment, when the differential pressure sensor 323 outputs a processed electric signal after calculating the first pressure information and the second pressure information, the first driving circuit and the second driving circuit respond to the electric signal at the same time. If the absolute value of the voltage difference corresponding to the electric signal is smaller than 0.5KPa, the first driving circuit and the second driving circuit filter the signal at the same time, namely, the first driving circuit and the second driving circuit are not started; if the absolute value of the differential pressure corresponding to the electric signal is greater than or equal to 0.5KPa, the first driving circuit and the second driving circuit respond to the signal at the same time, the first driving circuit starts to work and forms a first response signal, and the second driving circuit starts to work and forms a second response signal; the first driving circuit transmits a first response signal to the first control circuit, the first control circuit outputs the first control signal to conduct the first relay 43, and the first relay 43 controls the fan 51 to start;
The second driving circuit transmits a second response signal to the second control circuit, the second control circuit outputs the second control signal to turn on the second relay 44, the second relay 44 controls the driving part 221 to drive the sealing cover 222 to move to open the first passage 211a, the inside and outside environments of the inverter 100 start ventilation and take away heat inside the inverter 100 until the inside and outside pressures of the inverter 100 are balanced (the pressure difference is less than 80 Pa), the electric signal is triggered to control the fan 51 to be turned off, and the driving part 221 is controlled to drive the sealing cover 222 to move to close the first passage 211a to maintain the sealing property of the first housing cavity 13.
After the temperature sensor 311 outputs the processed electric signal, the first driving circuit and the second driving circuit respond to the electric signal at the same time. If the temperature corresponding to the electric signal is less than 50 ℃, the first driving circuit and the second driving circuit simultaneously filter the electric signal, and neither the first driving circuit nor the second driving circuit is started; if the temperature corresponding to the electric signal is greater than or equal to 50 ℃, the first driving circuit and the second driving circuit simultaneously respond to the electric signal, the first driving circuit starts to work and forms a third response signal, and the second driving circuit starts to work and forms a fourth response signal; the first driving circuit transmits a third response signal to the first control circuit, the first control circuit outputs the third control signal to conduct the first relay 43, and the first relay 43 controls the fan 51 to start; the second driving circuit transmits a fourth response signal to the second control circuit, the second control circuit outputs the fourth control signal to turn on the second relay 44, the second relay 44 controls the driving part 221 to drive the sealing cover 222 to move so as to open the first channel 211a, the inside and the outside environment of the inverter 100 start ventilation and take away heat in the inverter 100 until the temperature in the first accommodating cavity 13 is reduced to 30 ℃, the electric signal is triggered to control the fan 51 to be turned off, and the driving part 221 is controlled to drive the sealing cover 222 to move so as to close the first channel 211a and keep the tightness of the first accommodating cavity 13.
In some embodiments, referring to fig. 2 and 3, the inverter 100 further includes a ventilation device 60. The sidewall of the second housing 12 is provided with a third through hole 123 penetrating therethrough, the ventilation device 60 is disposed at the third through hole 123, and the ventilation device 60 is also used for adjusting the air temperature and the air pressure in the first accommodating cavity 13. The ventilation means 60 and the pressure relief means 20 operate under different air temperature and air pressure conditions, respectively. When the air temperature and the air pressure in the first accommodating cavity 13 are within the preset safety threshold range, the ventilation device 60 responds and adjusts preferentially to the pressure relief device 20; when the air temperature and the air pressure in the first accommodating cavity 13 are outside the preset safety threshold range, the pressure relief device 20 responds and adjusts preferentially compared with the ventilation device 60. As an example, the preset safety threshold may be a pressure of 0.5KPa and a temperature of 50 ℃. In other embodiments, the preset safety threshold may be set according to actual use requirements.
In some embodiments, referring to fig. 3, the ventilation device 60 includes a ventilation valve 61 and a protective cover 62, where the ventilation valve 61 is disposed at the third through hole 123, and of course, a sealant may be disposed between the ventilation valve 61 and the second housing 12 for sealing treatment. The ventilation valve 61 is used to regulate the air temperature and the air pressure in the first housing chamber 13. The protective cover 62 is connected to the ventilation valve 61 and is located outside the first receiving cavity 13, and the protective cover 62 is used for opening the ventilation valve 61 so that the ventilation valve 61 can work normally, or the protective cover 62 is used for covering the end of the ventilation valve 61 so as to protect the ventilation valve 61 from being damaged by external objects during transportation.
The inverter 100 of the embodiment of the present application includes a housing 10, a component assembly 40, a detection assembly 30, and a pressure relief device 20. The housing 10 is provided with a first accommodating cavity 13, the component assembly 40 and the detection assembly 30 are arranged in the first accommodating cavity 13, and the detection assembly 30 is electrically connected with the component assembly 40. The pressure relief device 20 includes a gas-heat exchange assembly 21 and a closing assembly 22, the gas-heat exchange assembly 21 is disposed on the housing 10 and is provided with a first channel 211a communicating the first accommodating cavity 13 with the outside, the closing assembly 22 is connected to the gas-heat exchange assembly 21 and is electrically connected to the component 40, and the closing assembly 22 realizes opening and closing of the first channel 211a according to a detection signal of the detection assembly 30. Through setting up detection component 30 and pressure relief device 20 and combining, can make inverter 100 carry out real-time supervision to first acceping chamber 13 to make pressure relief device 20 in time and accurately adjust the inside temperature of shell 10 and atmospheric pressure, reduce high temperature high pressure's environment or low pressure's environment and cause the damage to the element ware subassembly 40, guarantee that element ware subassembly 40 is working in the environment of adaptation temperature adaptation pressure, thereby guarantee the working property of element ware subassembly 40.
The foregoing description is only illustrative of the present application and is not intended to limit the scope of the application, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present application.
Claims (13)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410719195.9A CN118301867A (en) | 2024-06-05 | 2024-06-05 | Inverter with a power supply |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410719195.9A CN118301867A (en) | 2024-06-05 | 2024-06-05 | Inverter with a power supply |
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| CN118301867A true CN118301867A (en) | 2024-07-05 |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205207330U (en) * | 2015-11-20 | 2016-05-04 | 上海凯伟电气设备有限公司 | Malleation explosion proof cabinet's pneumatic control system |
| CN205422418U (en) * | 2015-11-11 | 2016-08-03 | 深圳市博德维环境技术股份有限公司 | A sealed entry and exit door with a pressure relief device and an air film building |
| CN210404372U (en) * | 2019-05-28 | 2020-04-24 | 无锡市洛普斯自动化设备有限公司 | Explosion-proof structure of electric control cabinet |
| CN212517950U (en) * | 2020-05-25 | 2021-02-09 | 邯郸市瑞银电气有限公司 | Safety pressure relief device of switch cabinet |
| CN214334162U (en) * | 2021-03-02 | 2021-10-01 | 北京车和家信息技术有限公司 | Battery package and vehicle |
| CN214478919U (en) * | 2021-03-17 | 2021-10-22 | 无锡逊捷自动化科技有限公司 | Pressure relief device for positive pressure type explosion-proof power distribution cabinet |
| CN114243161A (en) * | 2021-12-27 | 2022-03-25 | 华南理工大学 | Battery pack heat dissipation and thermal runaway protection integrated device and method |
| CN114258217A (en) * | 2020-09-24 | 2022-03-29 | 广东小天才科技有限公司 | Portable electronic device, wearable electronic device and control method thereof |
| CN217056507U (en) * | 2022-03-04 | 2022-07-26 | 广东小天才科技有限公司 | Waterproof ventilation valve and electronic equipment |
| CN114899752A (en) * | 2022-07-01 | 2022-08-12 | 广东电网有限责任公司 | Prefabricated cabin type ventilation explosion-proof pressure relief device |
| CN217486738U (en) * | 2022-03-17 | 2022-09-23 | 固德威电源科技(广德)有限公司 | Explosion-proof shell and photovoltaic inverter applying same |
| CN217608111U (en) * | 2022-05-24 | 2022-10-18 | 锦浪科技股份有限公司 | Explosion-proof inverter |
| US20230241944A1 (en) * | 2022-01-29 | 2023-08-03 | Illinois Tool Works Inc. | Pressure relief valve |
-
2024
- 2024-06-05 CN CN202410719195.9A patent/CN118301867A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205422418U (en) * | 2015-11-11 | 2016-08-03 | 深圳市博德维环境技术股份有限公司 | A sealed entry and exit door with a pressure relief device and an air film building |
| CN205207330U (en) * | 2015-11-20 | 2016-05-04 | 上海凯伟电气设备有限公司 | Malleation explosion proof cabinet's pneumatic control system |
| CN210404372U (en) * | 2019-05-28 | 2020-04-24 | 无锡市洛普斯自动化设备有限公司 | Explosion-proof structure of electric control cabinet |
| CN212517950U (en) * | 2020-05-25 | 2021-02-09 | 邯郸市瑞银电气有限公司 | Safety pressure relief device of switch cabinet |
| CN114258217A (en) * | 2020-09-24 | 2022-03-29 | 广东小天才科技有限公司 | Portable electronic device, wearable electronic device and control method thereof |
| CN214334162U (en) * | 2021-03-02 | 2021-10-01 | 北京车和家信息技术有限公司 | Battery package and vehicle |
| CN214478919U (en) * | 2021-03-17 | 2021-10-22 | 无锡逊捷自动化科技有限公司 | Pressure relief device for positive pressure type explosion-proof power distribution cabinet |
| CN114243161A (en) * | 2021-12-27 | 2022-03-25 | 华南理工大学 | Battery pack heat dissipation and thermal runaway protection integrated device and method |
| US20230241944A1 (en) * | 2022-01-29 | 2023-08-03 | Illinois Tool Works Inc. | Pressure relief valve |
| CN217056507U (en) * | 2022-03-04 | 2022-07-26 | 广东小天才科技有限公司 | Waterproof ventilation valve and electronic equipment |
| CN217486738U (en) * | 2022-03-17 | 2022-09-23 | 固德威电源科技(广德)有限公司 | Explosion-proof shell and photovoltaic inverter applying same |
| CN217608111U (en) * | 2022-05-24 | 2022-10-18 | 锦浪科技股份有限公司 | Explosion-proof inverter |
| CN114899752A (en) * | 2022-07-01 | 2022-08-12 | 广东电网有限责任公司 | Prefabricated cabin type ventilation explosion-proof pressure relief device |
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Application publication date: 20240705 |