CN114977730A - Frequency converter equipment capable of avoiding condensation phenomenon and frequency converter equipment control method - Google Patents

Frequency converter equipment capable of avoiding condensation phenomenon and frequency converter equipment control method Download PDF

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Publication number
CN114977730A
CN114977730A CN202210619718.3A CN202210619718A CN114977730A CN 114977730 A CN114977730 A CN 114977730A CN 202210619718 A CN202210619718 A CN 202210619718A CN 114977730 A CN114977730 A CN 114977730A
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CN
China
Prior art keywords
cabinet body
frequency converter
condensation phenomenon
top end
side wall
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Pending
Application number
CN202210619718.3A
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Chinese (zh)
Inventor
李磊
李世清
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Nanjing Ruituo Electric Co ltd
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Nanjing Ruituo Electric Co ltd
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Publication date
Application filed by Nanjing Ruituo Electric Co ltd filed Critical Nanjing Ruituo Electric Co ltd
Priority to CN202210619718.3A priority Critical patent/CN114977730A/en
Publication of CN114977730A publication Critical patent/CN114977730A/en
Pending legal-status Critical Current

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
    • B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
    • 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
    • H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
    • 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
    • H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
    • H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
    • H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
    • H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
    • H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
    • 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
    • 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
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/06—Hermetically-sealed casings
    • H05K5/069—Other details of the casing, e.g. wall structure, passage for a connector, a cable, a shaft
    • 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
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
    • 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
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H05K7/20154—Heat dissipaters coupled to components
    • H05K7/20163—Heat dissipaters coupled to components the components being isolated from air flow, e.g. hollow heat sinks, wind tunnels or funnels
    • 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
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H05K7/20181—Filters; Louvers
    • 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
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20209—Thermal management, e.g. fan control
    • 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
    • H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
    • H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
    • 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
    • H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
    • H05K7/20281—Thermal management, e.g. liquid flow control
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
    • H05K7/20918—Forced ventilation, e.g. on heat dissipaters coupled to components the components being isolated from air flow, e.g. hollow heat sinks, wind tunnels or funnels
    • 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
    • H05K7/20927—Liquid coolant without phase change
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention discloses frequency converter equipment for avoiding condensation phenomenon and a frequency converter equipment control method, wherein the frequency converter equipment for avoiding condensation phenomenon comprises a fixed base, wherein the top end of the fixed base is provided with a cabinet body, the middle parts of the side walls at two sides in the cabinet body are provided with partition plates, a ventilation mechanism is arranged below the partition plates, and the top end of each partition plate is provided with a frequency converter body; the both sides lateral wall of the cabinet body all is provided with clearance mechanism, and the top of the cabinet body is provided with a plurality of support columns, and the top of support column is provided with the sunshading board, and the cabinet body is kept away from a lateral wall top of cabinet door and is provided with cooling body. The heat dissipation device has the advantages of compact and unique structure, convenience in operation and low use cost, can quickly dissipate heat inside the cabinet body, and can cool the inside of the cabinet body under the condition of ensuring that condensation phenomenon cannot be generated inside the cabinet body, so that normal work of frequency converter equipment can be ensured, and the stability of the frequency converter equipment during work is further ensured.

Description

Frequency converter equipment capable of avoiding condensation phenomenon and frequency converter equipment control method
Technical Field
The invention relates to the technical field of frequency converter equipment, in particular to frequency converter equipment for avoiding a condensation phenomenon and a frequency converter equipment control method.
Background
The frequency converter is an electric control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor. The frequency converter mainly comprises a rectifying unit (converting alternating current into direct current), a filtering unit, an inverting unit (converting direct current into alternating current), a braking unit, a driving unit, a detection unit micro-processing unit and the like. The frequency converter adjusts the voltage and frequency of an output power supply by switching on and off an internal IGBT, provides the required power supply voltage according to the actual requirement of the motor, and further achieves the purposes of energy saving and speed regulation. With the continuous improvement of the industrial automation degree, the frequency converter is also widely applied.
The patent No. CN114244075A discloses a frequency converter device and a control method thereof, which specifically include a cabinet, a frequency converter, an air pressure adjusting device, a humidity adjusting device, and a drying processing device, wherein the cabinet has a closed accommodating space, and the frequency converter is assembled in the accommodating space. Temperature regulation apparatus locates the temperature stabilization that is used for adjusting in the accommodation space to setting for the temperature, and this converter equipment inside accommodation space's stable constant temperature and constant pressure and humidity control, the effectual condensation phenomenon of avoiding converter equipment. However, the inside of the cabinet body is refrigerated and heated through the semiconductor refrigeration piece in the frequency converter equipment, and the semiconductor refrigeration piece is good in heating efficiency and half of the cooling efficiency, so that the frequency converter equipment is easy to enable the semiconductor refrigeration piece to generate more heat when the cabinet body is cooled, the cooling efficiency of the frequency converter equipment can be reduced, the use cost can be increased, and waste is caused.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
The present invention provides a frequency converter device and a frequency converter device control method for avoiding a condensation phenomenon, so as to overcome the above technical problems in the related art.
Therefore, the invention adopts the following specific technical scheme:
according to one aspect of the invention, the frequency converter equipment for avoiding the condensation phenomenon comprises a fixed base, wherein a cabinet body is arranged at the top end of the fixed base, a cabinet door is hinged to one side of the cabinet body, openings are formed in the bottoms of the side walls of the two sides of the interior of the cabinet body, a filter plate is arranged on one side of the interior of each opening, and an opening and closing mechanism is arranged on one side of each filter plate; the middle parts of the side walls at two sides in the cabinet body are provided with partition plates, a ventilation mechanism is arranged below the partition plates, and the top ends of the partition plates are provided with a frequency converter body; the side walls of two sides of the cabinet body are respectively provided with a cleaning mechanism, the top end of the cabinet body is provided with a plurality of supporting columns, the top ends of the supporting columns are provided with a sun shield, and the top of one side wall of the cabinet body, which is far away from the cabinet door, is provided with a cooling mechanism; a temperature detector, a humidity detector and a control panel are sequentially arranged at the top of one side wall in the cabinet body from top to bottom; vent holes are formed in the four corners of the top end of the partition plate.
Further, in order to realize the sealing of the bottom end of the internal portion of the cabinet, simultaneously, when the internal portion of the cabinet is required to be cooled, the baffle is opened under the action of the electric telescopic handle to realize the ventilation of the internal portion of the cabinet, the opening and closing mechanism comprises a hinged baffle arranged on one side of the opening, the mounting plate is arranged above the opening, the electric telescopic handle is movably arranged at the bottom of one end of the mounting plate, and one end of a piston rod of the electric telescopic handle is movably connected with one side of the baffle.
Furthermore, in order to realize heat dissipation and cooling of the interior of the cabinet body, the flow velocity of gas in the ventilation pipe is improved through the arrangement of the blades and the spiral flow guide grooves, so that the gas in the cabinet body is driven to enter the air inlet pipe to flow out in the flowing process of the gas in the ventilation pipe, cold air cannot contact with equipment in the cabinet body, condensation can be avoided, and normal work of frequency converter equipment is guaranteed; the top end of the accelerating tube is provided with a conical tube, the top end of the conical tube is provided with a ventilation tube, and the top end of the ventilation tube sequentially penetrates through the partition plate and the top end of the cabinet body; two groups of blades are arranged in the middle of the inner side wall of the accelerating tube, the two groups of blades are obliquely arranged, and an adjacent side wall of the two groups of blades is crosswise arranged to be in an X-shaped structure; the top of the side wall in the accelerating tube is uniformly and annularly provided with a plurality of spiral diversion trenches; an air inlet pipe penetrates through the top of the circumferential side wall of the ventilating pipe and is positioned in the cabinet body, and the height of one end, far away from the ventilating pipe, of the air inlet pipe is lower than that of one end, close to the ventilating pipe, of the air inlet pipe; one end of the air inlet pipe and the top end of the ventilation pipe are provided with check valves.
Further, in order to realize the clearance to the filter, thereby can drive under the drive of motor two and scrape the pole and carry out reciprocating motion from top to bottom, and clear up the surface of filter through the effect of scraping the pole, and then can prevent that the filter from causing the jam after long-time the use, the life of converter equipment has been improved, clearance mechanism is including setting up the casing at cabinet side wall, the inside lateral wall of casing is provided with the backup pad, the top of backup pad is provided with motor two, motor two's output shaft one end is provided with the disc, the one end of disc is provided with the carriage release lever that runs through the casing bottom, the bottom of carriage release lever is provided with scrapes the pole.
Furthermore, in order to realize the matched installation between the disc and the moving rod and further ensure that the moving rod can reciprocate up and down under the rotation of the disc, the outer side of the side wall of the disc, which is close to the second motor, is fixedly connected with the output shaft of the second motor; an annular groove is formed in the side wall of the disc, which is far away from the motor II; one side of the top end of the moving rod is provided with a circular truncated cone matched with the annular groove.
Furthermore, in order to realize cooling of the outside of the cabinet body, rainwater can be collected in rainy days under the action of the water storage tank, and the rainwater is sprayed to the outside of the cabinet body under the action of the water pump in high-temperature weather, so that the outside of the cabinet body can be cooled, the waste of resources is also saved, the cooling mechanism is energy-saving and environment-friendly, the cooling mechanism comprises a water storage tank arranged at the top of one side wall of the cabinet body, which is far away from the cabinet door, water inlet pipes are arranged at the tops of two sides of the water storage tank, water suction pumps are arranged inside the water storage tank, water outlet pipes are arranged at two sides of each water suction pump, and a plurality of water sprayers are uniformly arranged at the top of the circumferential side wall of each water outlet pipe; the cooling mechanism further comprises water storage tanks arranged on two sides of the sun shield, and a water inlet matched with the water inlet pipe is formed in the bottom of one end of each water storage tank.
According to another aspect of the present invention, there is provided a frequency converter apparatus control method including the steps of:
the opening and closing mechanism is controlled by the control panel to open the baffle and ventilate the bottom of the cabinet body;
the ventilation mechanism is controlled by the control panel to ventilate and radiate the top end in the cabinet body;
the cleaning mechanism is controlled by the control panel to clean the filter plate;
the cooling mechanism is controlled by the control panel to cool the outer side of the cabinet body.
The invention has the beneficial effects that:
1. the heat dissipation device has the advantages of compact and unique structure, convenience in operation and low use cost, can quickly dissipate heat inside the cabinet body, and can cool the inside of the cabinet body under the condition of ensuring that condensation phenomenon cannot be generated inside the cabinet body, so that normal work of frequency converter equipment can be ensured, and the stability of the frequency converter equipment during work is further ensured.
2. Through setting up the mechanism that opens and shuts to realized the sealed of the internal portion bottom of cabinet, simultaneously, when needs dispel the heat to the internal portion of cabinet, open the baffle under electric telescopic handle's the effect and realize taking a breath to the inside of the cabinet body.
3. Through setting up ventilation mechanism to realized dispelling the heat and cooling to the inside of the cabinet body, through the setting of lamina and spiral guiding gutter, improved gaseous velocity of flow in the ventilation pipe inside, make gaseous the in-process that flows in the ventilation pipe drive the internal portion of cabinet gas and enter into the air-supply line and flow out, make air conditioning can not contact with the equipment of the internal portion of cabinet, and then can avoid the production of condensation phenomenon, guaranteed the normal work of converter equipment.
4. Through setting up clearance mechanism to realized the clearance to the filter, can drive under the drive of motor two and scrape the pole and carry out up-and-down reciprocating motion, and clear up the surface of filter through the effect of scraping the pole, and then can prevent that the filter from causing the jam after using for a long time, improved the life of converter equipment.
5. Through setting up cooling body to realized cooling down to the outside of the cabinet body, the effect through the catch basin makes can collect the rainwater rainy day, and sprays the outside of the cabinet body under the weather of high temperature through the effect of suction pump down, not only can cool down the outside of the cabinet body, has still saved the waste of resource, and is energy-concerving and environment-protective.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is one of schematic structural diagrams of a frequency converter apparatus for avoiding a condensation phenomenon according to an embodiment of the present invention;
fig. 2 is a second schematic structural diagram of a frequency converter apparatus for avoiding the condensation phenomenon according to an embodiment of the present invention;
FIG. 3 is a third schematic structural diagram of a frequency converter apparatus for avoiding condensation according to an embodiment of the present invention;
FIG. 4 is a fourth schematic structural diagram of a frequency converter apparatus for avoiding the condensation phenomenon according to an embodiment of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 3 at A;
FIG. 6 is a partial enlarged view at B in FIG. 3;
FIG. 7 is an assembled perspective view of a cleaning mechanism in a frequency converter apparatus for avoiding condensation in accordance with an embodiment of the present invention;
fig. 8 is a schematic structural view of a ventilation mechanism in a frequency converter device for avoiding a condensation phenomenon according to an embodiment of the present invention;
fig. 9 is a partial enlarged view at C in fig. 8;
fig. 10 is a sectional view of a water storage tank in a frequency converter apparatus for preventing a condensation phenomenon according to an embodiment of the present invention.
In the figure:
1. a fixed base; 2. a cabinet body; 3. a cabinet door; 4. a filter plate; 5. an opening and closing mechanism; 501. a baffle plate; 502. mounting a plate; 503. an electric telescopic rod; 6. a partition plate; 7. a ventilation mechanism; 701. a first motor; 702. a fan; 703. an accelerating tube; 7031. a leaf plate; 7032. a spiral diversion trench; 704. a tapered tube; 705. a ventilation pipe; 7051. an air inlet pipe; 7052. a non-return valve; 8. a frequency converter body; 9. a cleaning mechanism; 901. a housing; 902. a support plate; 903. a second motor; 904. a disc; 9041. an annular groove; 905. a travel bar; 9051. a circular truncated cone; 906. a scraping rod; 10. a support pillar; 11. a sun visor; 12. a cooling mechanism; 1201. a water storage tank; 1202. a water inlet pipe; 1203. a water pump; 1204. a water outlet pipe; 1205. a water sprayer; 1206. a water storage tank; 13. a temperature detector; 14. a humidity detector; 15. a control panel; 16. and (4) a vent hole.
Detailed Description
For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.
According to the embodiment of the invention, the frequency converter equipment for avoiding the condensation phenomenon and the frequency converter equipment control method are provided.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, as shown in fig. 1 to 10, according to an embodiment of the present invention, a frequency converter apparatus for avoiding a condensation phenomenon is provided, which includes a fixing base 1, a cabinet body 2 is disposed at the top end of the fixing base 1, a cabinet door 3 is hinged to one side of the cabinet body 2, openings are disposed at the bottoms of the side walls at both sides of the inside of the cabinet body 2, a filter plate 4 is disposed at one side of the inside of the opening, and an opening and closing mechanism 5 is disposed at one side of the filter plate 4; the middle parts of the side walls at two sides in the cabinet body 2 are provided with partition plates 6, a ventilation mechanism 7 is arranged below the partition plates 6, and the top end of each partition plate 6 is provided with a frequency converter body 8; the side walls of two sides of the cabinet body 2 are respectively provided with a cleaning mechanism 9, the top end of the cabinet body 2 is provided with a plurality of support columns 10, the top ends of the support columns 10 are provided with a sun shield 11, and the top of one side wall of the cabinet body 2, which is far away from the cabinet door 3, is provided with a cooling mechanism 12; a temperature detector 13, a humidity detector 14 and a control panel 15 are sequentially arranged on the top of one side wall inside the cabinet body 2 from top to bottom (in addition, when in specific application, a PLC controller is arranged inside the control panel 15); vent holes 16 are formed in four corners of the top end of the partition plate 6, wherein the electric telescopic rod 503, the first motor 701, the second motor 903, the water pump 1203, the temperature detector 13 and the humidity detector 14 are electrically connected with the control panel 15 in sequence;
specifically, the inside of the vent hole 16 is filled with a desiccant.
By means of the technical scheme, the heat dissipation cabinet has the advantages of compact and unique structure, convenience in operation and low use cost, can quickly dissipate heat inside the cabinet body 2, and can also ensure that the heat dissipation and cooling can be performed on the inside of the cabinet body 2 under the condition that no condensation phenomenon is generated inside the cabinet body 2, so that the normal operation of frequency converter equipment can be ensured, and the stability of the frequency converter equipment during operation is further ensured.
In an embodiment, for the opening and closing mechanism 5, the opening and closing mechanism 5 includes a baffle 501 hinged to one side of the opening (in addition, in a specific application, a sealing gasket is disposed between the baffle 501 and the filter plate 4), a mounting plate 502 is disposed above the opening, an electric telescopic rod 503 is movably disposed at the bottom of one end of the mounting plate 502 (in addition, in a specific application, the electric telescopic rod 503 may also adopt a hydraulic telescopic rod or an air cylinder), and one end of a piston rod of the electric telescopic rod 503 is movably connected with one side of the baffle 501, so as to seal the bottom end inside the cabinet body 2, and meanwhile, when heat dissipation needs to be performed on the inside of the cabinet body 2, the baffle 501 is opened under the action of the electric telescopic rod 503 to realize ventilation of the inside of the cabinet body 2.
In one embodiment, for the ventilation mechanism 7, the ventilation mechanism 7 includes a first motor 701 disposed at the bottom end of the interior of the cabinet 2 (in particular application, the first motor 701 is configured as a servo motor), one end of an output shaft of the first motor 701 is provided with a fan 702, and an outside of the output shaft of the first motor 701 is provided with an acceleration pipe 703; the top end of the accelerating tube 703 is provided with a conical tube 704, the top end of the conical tube 704 is provided with a vent tube 705, and the top end of the vent tube 705 sequentially penetrates through the partition plate 6 and the top end of the cabinet body 2; two groups of blades 7031 are arranged in the middle of the inner side wall of the accelerating tube 703, the two groups of blades 7031 are both arranged obliquely, and an adjacent side wall of the two groups of blades 7031 is arranged in an X-shaped structure in a crossed manner; the top of the side wall in the accelerating tube 703 is uniformly and annularly provided with a plurality of spiral diversion trenches 7032; an air inlet pipe 7051 penetrates through the top of the circumferential side wall of the ventilation pipe 705 and is positioned inside the cabinet body 2, and the height of one end, away from the ventilation pipe 705, of the air inlet pipe 7051 is lower than the height of one end, close to the ventilation pipe 705, of the air inlet pipe 7051; one end of the air inlet pipe 7051 and the top of the ventilation pipe 705 are all provided with the check valve 7052, thereby the inside to the cabinet body 2 is cooled down, setting through the leaf plate 7031 and the spiral guiding gutter 7032, the flow rate of gas inside the ventilation pipe 705 is improved, make gas flow in the inside in-process of ventilation pipe 705 drive the inside gas of the cabinet body 2 and flow out in entering into the air inlet pipe 7051, make air conditioning can not contact with the inside equipment of the cabinet body 2, and then can avoid the production of condensation phenomenon, the normal work of converter equipment has been guaranteed.
In one embodiment, for the cleaning mechanism 9, the cleaning mechanism 9 includes a housing 901 disposed on a side wall of the cabinet 2, a supporting plate 902 is disposed on an inner side wall of the housing 901, a second motor 903 is disposed on a top end of the supporting plate 902 (in addition, in a specific application, the second motor 903 is a servo motor), a disc 904 is disposed at one end of an output shaft of the second motor 903, a moving rod 905 penetrating through a bottom end of the housing 901 is disposed at one end of the disc 904, and a scraping rod 906 is disposed at a bottom end of the moving rod 905; the outer side of the side wall of the disc 904 close to the second motor 903 is fixedly connected with an output shaft of the second motor 903; an annular groove 9041 is formed in the side wall, away from the second motor 903, of the disc 904; the top one side of carriage release lever 905 is provided with the round platform 9051 with ring channel 9041 complex to realized the clearance to filter 4, can drive under the drive of motor two 903 and scrape pole 906 and carry out reciprocating motion from top to bottom, and clear up filter 4's surface through the effect of scraping pole 906, and then can prevent that filter 4 from causing the jam after long-time the use, improved the life of converter equipment.
In one embodiment, for the cooling mechanism 12, the cooling mechanism 12 includes a water storage tank 1201 arranged on the top of a side wall of the cabinet body 2 away from the cabinet door 3, water inlet pipes 1202 are arranged on the tops of both sides of the water storage tank 1201, a water suction pump 1203 is arranged inside the water storage tank 1201, water outlet pipes 1204 are arranged on both sides of the water suction pump 1203, and a plurality of water sprayers 1205 are uniformly arranged on the top ends of the circumferential side walls of the water outlet pipes 1204; cooling body 12 is still including setting up the catch basin 1206 in 11 both sides of sunshading board, and the one end bottom of catch basin 1206 seted up with inlet tube 1202 complex water inlet (in addition, when concrete application, the inside of water inlet is provided with the filter screen), thereby realized cooling the outside of the cabinet body 2, the effect through catch basin 1206 makes can collect the rainwater rainy day, and spray the outside of the cabinet body 2 under the effect through suction pump 1203 under the weather of high temperature, not only can cool down the outside of the cabinet body 2, the waste of resource has still been saved, energy saving and environmental protection.
According to another embodiment of the present invention, there is provided a frequency converter device control method including the steps of:
the opening and closing mechanism 5 is controlled by the control panel 15 to open the baffle 501 and ventilate the bottom of the cabinet body 2;
the ventilation mechanism 7 is controlled by the control panel 15 to ventilate and radiate the top end of the cabinet body 2;
the cleaning mechanism 9 is controlled by the control panel 15 to clean the filter plate 4;
the cooling mechanism 12 is controlled by the control panel 15 to cool the outside of the cabinet 2.
For the convenience of understanding the technical solutions of the present invention, the working principle or the operation mode of the present invention in the practical process will be described in detail below.
In practical application, when ventilation and heat dissipation are required to be performed on the inside of the cabinet body 2, the control panel 15 is used for starting the electric telescopic rod 503, so that the piston rod of the electric telescopic rod 503 is shortened, the bottom end of the baffle plate 501 is driven to be lifted, outside air can enter the inside of the cabinet body 2, the control panel 15 is used for starting the motor one 701, the output shaft of the motor one 701 is used for driving the fan 702 to rotate and generate air flow, when the air flow meets the blade plate 7031 and the spiral diversion groove 7032, the air flow forms vortex air flow, the air flow is uniformly distributed, the flow rate of the air flow is increased, then the air flow passes through the conical pipe 704 and the ventilation pipe 705 and flows from the top end of the ventilation pipe 705, after the air flow in the ventilation pipe 705 passes through the air inlet pipe 7051, the air in the cabinet body 2 can enter the air inlet pipe 7051 according to the principle of pressure difference, and heat in the cabinet body 2 can be taken away, the ventilation and heat dissipation of the interior of the cabinet body 2 are realized;
in addition, when the filter plate 4 needs to be cleaned, the second motor 903 is started through the control panel 15, so that the output shaft of the second motor 903 drives the disc 904 to rotate, and under the matching action of the annular groove 9041, the circular truncated cone 9051 and the shell 901, the moving rod 905 is driven to reciprocate up and down, so that the scraping rod 906 is driven to reciprocate up and down, and the filter plate 4 is cleaned;
in addition, when needing to cool down the cabinet body 2 outside through cooling body 12, at first, through the retaining that carries on of passing through catch basin 1206 in rainy day for the rainwater enters into storage water tank 1201 through inlet tube 1202 and stores, then starts suction pump 1203 through control panel 15, makes the rainwater in the storage water tank 1201 enter into outlet pipe 1204, and sprays through sprinkler 1205, and then has realized that the outside of the cabinet body 2 is cooled down and is handled.
In conclusion, by means of the technical scheme, the heat dissipation cabinet has the advantages of compact and unique structure, convenience in operation and low use cost, can quickly dissipate heat inside the cabinet body 2, and can also ensure that the heat dissipation and cooling can be performed on the inside of the cabinet body 2 under the condition that no condensation phenomenon is generated inside the cabinet body 2, so that the normal operation of frequency converter equipment can be ensured, and the stability of the frequency converter equipment during operation is further ensured; by arranging the opening and closing mechanism 5, the bottom end inside the cabinet body 2 is sealed, and meanwhile, when the inside of the cabinet body 2 needs to be radiated, the baffle 501 is opened under the action of the electric telescopic rod 503 to realize ventilation inside the cabinet body 2; through the arrangement of the ventilation mechanism 7, heat dissipation and cooling of the inside of the cabinet body 2 are realized, the flow velocity of gas in the ventilation pipe 705 is improved through the arrangement of the blades 7031 and the spiral diversion grooves 7032, so that the gas in the cabinet body 2 is driven to enter the air inlet pipe 7051 to flow out in the process of flowing in the ventilation pipe 705, then the gas below the partition plate 6 enters the upper part of the partition plate 6 through the vent holes 16, and then the gas can filter moisture in the gas through a drying agent, so that the gas is not in contact with equipment in the cabinet body 2 to generate condensation, and normal operation of frequency converter equipment is ensured; by arranging the cleaning mechanism 9, the filter plate 4 is cleaned, the scraping rod 906 can be driven by the motor II 903 to reciprocate up and down, the surface of the filter plate 4 is cleaned under the action of the scraping rod 906, the filter plate 4 can be prevented from being blocked after being used for a long time, and the service life of the frequency converter equipment is prolonged; through setting up cooling body 12 to realized cooling down to the outside of the cabinet body 2, the effect through catch basin 1206 makes can collect the rainwater rainy day, and sprays the outside of the cabinet body 2 under the effect through suction pump 1203 under the weather of high temperature, not only can cool down the outside of the cabinet body 2, has still saved the waste of resource, and is energy-concerving and environment-protective.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. The utility model provides an avoid converter equipment of condensation phenomenon, includes unable adjustment base (1), its characterized in that:
a cabinet body (2) is arranged at the top end of the fixed base (1), a cabinet door (3) is hinged to one side of the cabinet body (2), openings are formed in the bottoms of the side walls of the two sides in the cabinet body (2), a filter plate (4) is arranged on one side in each opening, and an opening and closing mechanism (5) is arranged on one side of the filter plate (4);
the middle parts of the side walls at two sides in the cabinet body (2) are provided with partition plates (6), a ventilation mechanism (7) is arranged below the partition plates (6), and the top end of each partition plate (6) is provided with a frequency converter body (8);
the cleaning mechanism (9) is arranged on the side wall of each of two sides of the cabinet body (2), a plurality of supporting columns (10) are arranged at the top end of the cabinet body (2), a sun shield (11) is arranged at the top end of each supporting column (10), and a cooling mechanism (12) is arranged at the top of one side wall of the cabinet body (2) far away from the cabinet door (3);
a temperature detector (13), a humidity detector (14) and a control panel (15) are sequentially arranged at the top of one side wall in the cabinet body (2) from top to bottom;
vent holes (16) are formed in the four corners of the top end of the partition plate (6).
2. The frequency converter equipment for avoiding the condensation phenomenon according to claim 1, wherein the opening and closing mechanism (5) comprises a baffle (501) hinged on one side of the opening, a mounting plate (502) is arranged above the opening, an electric telescopic rod (503) is movably arranged at the bottom of one end of the mounting plate (502), and one end of a piston rod of the electric telescopic rod (503) is movably connected with one side of the baffle (501).
3. A frequency converter device for avoiding condensation phenomenon according to claim 2, characterized in that said ventilation mechanism (7) comprises a motor I (701) arranged at the bottom end of the inside of said cabinet body (2), one end of the output shaft of said motor I (701) is provided with a fan (702), and the outside of the output shaft of said motor I (701) is provided with an accelerating tube (703);
the top end of the accelerating tube (703) is provided with a conical tube (704), the top end of the conical tube (704) is provided with a ventilating tube (705), and the top end of the ventilating tube (705) sequentially penetrates through the partition plate (6) and the top end of the cabinet body (2).
4. The frequency converter equipment for avoiding the condensation phenomenon according to claim 3, characterized in that two groups of blades (7031) are arranged in the middle of the inner side wall of the accelerating tube (703), the two groups of blades (7031) are both arranged obliquely, and the adjacent side walls of the two groups of blades (7031) are arranged in an X-shaped structure in a crossed manner;
the top of the side wall in the accelerating tube (703) is uniformly and annularly provided with a plurality of spiral diversion trenches (7032).
5. The frequency converter equipment for avoiding the condensation phenomenon according to claim 4, characterized in that an air inlet pipe (7051) penetrates through the top of the circumferential side wall of the ventilating pipe (705) and is positioned inside the cabinet body (2), and the height of one end, far away from the ventilating pipe (705), of the air inlet pipe (7051) is lower than the height of one end, close to the ventilating pipe (705), of the air inlet pipe (7051);
one end of the air inlet pipe (7051) and the top end of the ventilation pipe (705) are provided with check valves (7052).
6. The frequency converter equipment for avoiding the condensation phenomenon according to claim 4, wherein the cleaning mechanism (9) comprises a casing (901) arranged on the side wall of the cabinet body (2), a supporting plate (902) is arranged on the inner side wall of the casing (901), a second motor (903) is arranged at the top end of the supporting plate (902), a disc (904) is arranged at one end of an output shaft of the second motor (903), a moving rod (905) penetrating through the bottom end of the casing (901) is arranged at one end of the disc (904), and a scraping rod (906) is arranged at the bottom end of the moving rod (905).
7. A frequency converter device for avoiding condensation phenomenon according to claim 6, characterized in that the outer side of the side wall of the disc (904) close to the second motor (903) is fixedly connected with the output shaft of the second motor (903);
and an annular groove (9041) is formed in the side wall, away from the second motor (903), of the disc (904).
8. A frequency converter device for avoiding condensation phenomenon according to claim 7, characterized in that the top end side of the moving rod (905) is provided with a circular truncated cone (9051) which is matched with the annular groove (9041).
9. The frequency converter equipment for avoiding the condensation phenomenon according to claim 6, wherein the cooling mechanism (12) comprises a water storage tank (1201) arranged at the top of one side wall of the cabinet body (2) far away from the cabinet door (3), water inlet pipes (1202) are arranged at the tops of two sides of the water storage tank (1201), a water suction pump (1203) is arranged inside the water storage tank (1201), water outlet pipes (1204) are arranged at two sides of the water suction pump (1203), and a plurality of water sprayers (1205) are uniformly arranged at the top ends of the circumferential side wall of the water outlet pipes (1204);
the cooling mechanism (12) further comprises water storage tanks (1206) arranged on two sides of the sun shield (11), and a water inlet matched with the water inlet pipe (1202) is formed in the bottom of one end of each water storage tank (1206).
10. A frequency converter device control method for a frequency converter device for avoiding a condensation phenomenon according to any one of claims 1 to 9, characterized in that the method comprises the steps of:
the opening and closing mechanism (5) is controlled by the control panel 15 to open the baffle (501) and ventilate the bottom of the cabinet body (2);
the ventilation mechanism (7) is controlled by the control panel (15) to ventilate and radiate the top end in the cabinet body (2);
the cleaning mechanism (9) is controlled by the control panel (15) to clean the filter plate (4);
the control panel 15 controls the cooling mechanism (12) to cool the outer side of the cabinet body (2).
CN202210619718.3A 2022-06-01 2022-06-01 Frequency converter equipment capable of avoiding condensation phenomenon and frequency converter equipment control method Pending CN114977730A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210619718.3A CN114977730A (en) 2022-06-01 2022-06-01 Frequency converter equipment capable of avoiding condensation phenomenon and frequency converter equipment control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210619718.3A CN114977730A (en) 2022-06-01 2022-06-01 Frequency converter equipment capable of avoiding condensation phenomenon and frequency converter equipment control method

Publications (1)

Publication Number Publication Date
CN114977730A true CN114977730A (en) 2022-08-30

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ID=82960579

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210619718.3A Pending CN114977730A (en) 2022-06-01 2022-06-01 Frequency converter equipment capable of avoiding condensation phenomenon and frequency converter equipment control method

Country Status (1)

Country Link
CN (1) CN114977730A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117424089A (en) * 2023-03-23 2024-01-19 昆山盛英电气有限公司 Power distribution cabinet structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117424089A (en) * 2023-03-23 2024-01-19 昆山盛英电气有限公司 Power distribution cabinet structure
CN117424089B (en) * 2023-03-23 2024-04-26 昆山盛英电气有限公司 Power distribution cabinet structure

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