CN109274277B - Binding post and photovoltaic inverter, power equipment - Google Patents
Binding post and photovoltaic inverter, power equipment Download PDFInfo
- Publication number
- CN109274277B CN109274277B CN201811210805.3A CN201811210805A CN109274277B CN 109274277 B CN109274277 B CN 109274277B CN 201811210805 A CN201811210805 A CN 201811210805A CN 109274277 B CN109274277 B CN 109274277B
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- base
- guide
- vertical wall
- guide plate
- wiring
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 12
- 238000005192 partition Methods 0.000 abstract description 4
- 238000002955 isolation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/32—Electrical components comprising DC/AC inverter means associated with the PV module itself, e.g. AC modules
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
A wiring terminal, a photovoltaic inverter and power equipment. The wiring terminal comprises a base, a guide plate and a cover body, and the vertical wall of the base can be conveniently assembled on the shell of the power equipment, so that the base can be used as a wiring carrier outside the power equipment; the guide plate is arranged on the guide groove of the base in a matched manner, so that a user can directly connect the electric wire on the guide plate without introducing the electric wire into the electric equipment, and complicated work during wiring is avoided; when the base is provided with a plurality of guide grooves, the partition plates arranged on the vertical walls of the base can form isolation effects on the guide grooves, so that the short circuit condition caused by external touch among the lines can be avoided; because the detachable effect of lid on the base for the user can be convenient get rid of behind the lid and carry out the dismouting work of electric wire, in addition, the lid still has the closure effect to the guide slot on the base, can form the protection effect that waterproof dustproof prevented touching to the circuit, can effectively extend binding post's applicable environment.
Description
Technical Field
The application relates to the power technology, in particular to a wiring terminal, a photovoltaic inverter and power equipment.
Background
Along with the development of power technology and the popularization trend of power application, more and more power equipment has the application characteristics of miniaturization, precision and portability, and the power equipment is widely applied to various links of production and life, so that the cost is reduced for users. For example, electrical energy meters, earth leakage circuit breakers, fire alarms, load control switches, air switches, dc power supplies, photovoltaic inverters, etc. are common in production and life.
At present, the electric power devices are connected by adopting screw type wiring terminals, in order to ensure firm, airtight, waterproof and dustproof effects in the use process, the screw type wiring terminals are often arranged in the electric power devices, and wires are led into the screw type wiring terminals through wiring holes in an outer shell, such as common electric energy meters, fire alarms, direct current power supplies and photovoltaic inverters, and basically adopt the wiring mode. At that time, in the actual use process, the built-in wiring terminal often brings inconvenience to the disassembly and assembly process of the electric wire, the disassembly and assembly operation of the electric wire can be carried out only by opening the outer shell of the electric power equipment, when the application conditions such as wiring debugging, equipment maintenance or line change are met, the wiring efficiency is greatly influenced, larger workload is brought to wiring personnel, in addition, the repeated pulling and inserting process of the electric wire can also cause the effect of the waterproof and dustproof grade reduction at the wiring hole on the outer shell, and the electric wire is not beneficial to popularization and application in the occasion of some multi-electric power equipment.
For example, the photovoltaic inverter is mostly matched with the photovoltaic cell panel to be applied to the outdoor and open-field occasions, in order to achieve the waterproof and dustproof use effect, the screw type wiring terminal is arranged inside the shell of the photovoltaic inverter, the electric wires are led in from the outside through the waterproof and dustproof holes, and in the debugging or maintenance stage of photovoltaic power generation, the shell of the photovoltaic inverter is frequently opened to conduct wiring operation, so that the sealing performance of the shell is damaged, and the service life of the photovoltaic inverter in the outdoor and open-field is seriously influenced.
Disclosure of Invention
The application mainly solves the technical problem of inconvenient wiring caused by wiring of the existing power equipment built-in method. In order to solve the technical problems, the application provides a wiring terminal, a photovoltaic inverter and power equipment.
According to a first aspect, there is provided in one embodiment a terminal comprising:
a base for fitting to a housing of an electrical device to form a wiring carrier on the housing of the electrical device;
the guide plate is assembled on the base, one end of the guide plate is used for being connected with an internal circuit of the power equipment, and the other end of the guide plate is used for being connected with an external electric wire;
and the cover body is detachably connected with the base and is used for being matched with the base to form a protective shell.
The base includes:
the vertical wall is used for being connected with the shell of the power equipment so as to assemble and position the base;
the guide groove is vertically fixed on one side surface of the vertical wall and extends to the other side surface of the vertical wall, and the guide plate is installed in the groove body of the guide groove in a matching mode.
The other side face of the vertical wall, which is opposite to the guide groove, is provided with a plurality of first buckles, and the first buckles are used for enabling the vertical wall to be detachably connected with the shell of the electric equipment.
And a limiting block is formed on the other side surface of the vertical wall, which is opposite to the guide groove, and is used for being matched with a screw to limit the position of a guide plate installed in the groove body of the guide groove.
The number of the guide grooves is two, and the guide grooves are fixed on one side surface of the vertical wall in parallel; the number of the guide plates is two, and the guide plates are respectively matched with the two guide grooves.
The base also comprises a baffle plate, wherein the baffle plate is fixed on the vertical wall and separates two parallel fixed guide grooves.
The guide plates are respectively provided with end parts for wiring on two sides of the vertical wall, and screw holes are formed on each end part of the guide plates for screw type wiring.
The guide plate is made of copper, silver, aluminum or alloy thereof.
The cover body is provided with a cavity, and the cavity is used for closing the guide groove; a through hole is formed in one side wall of the cavity and is used for inserting an external electric wire, so that the electric wire can be connected with a guide plate which is installed in a matched mode in the groove body of the guide groove.
A plurality of second buckles extending outwards are formed on the other side wall of the cavity, a plurality of second clamping holes matched with the second buckles respectively are formed on the vertical wall of the base, and the second buckles are matched with the second clamping holes so that the cover body and the vertical wall of the base are detachably connected.
According to a second aspect, an embodiment provides a photovoltaic inverter, including:
a device housing;
the inverter circuit is arranged in the device shell and is used for carrying out power inversion on the photovoltaic electric energy;
a terminal as claimed in the first aspect;
the base of the wiring terminal is assembled on the side wall of the device shell, one end of the guide plate of the wiring terminal is connected with the inverter circuit, and the other end of the guide plate of the wiring terminal is connected with an external electric wire.
The side wall of the device shell is provided with a first clamping hole matched with the first clamping buckles, the first clamping buckles penetrate through the first clamping holes and are clamped on the inner side wall where the first clamping holes are located, and the device shell and the vertical wall of the base are detachably connected.
According to a third aspect, there is provided in an embodiment an electrical apparatus comprising:
an equipment housing;
a power circuit built in the equipment housing for performing power control;
a terminal as claimed in the first aspect;
the base of the wiring terminal is assembled on the side wall of the equipment shell, one end of the guide plate of the wiring terminal is connected with the power circuit, and the other end of the guide plate of the wiring terminal is connected with an external electric wire.
According to the wiring terminal, the photovoltaic inverter and the power equipment. The wiring terminal comprises a base, a guide plate and a cover body, and the vertical wall of the base can be conveniently assembled on the shell of the power equipment, so that the base can be a wiring carrier outside the power equipment; the guide plate is arranged on the guide groove of the base in a matched manner, so that a user can directly connect the electric wire on the guide plate without introducing the electric wire into the electric equipment, and complicated work during wiring is avoided; when the base is provided with a plurality of guide grooves, the partition plates arranged on the vertical walls of the base can form isolation effects on the guide grooves, so that the short circuit condition caused by external touch among the lines can be avoided; because the detachable effect of lid on the base for the user can be convenient get rid of behind the lid and carry out the dismouting work of electric wire, in addition, the lid still has the closure effect to the guide slot on the base, can form the protection effect that waterproof dustproof prevented touching to the circuit, can effectively extend binding post's applicable environment. The photovoltaic inverter and the power equipment disclosed by the application adopt the wiring terminals, so that the photovoltaic inverter and the power equipment have the wiring effect of being convenient for users to disassemble and assemble, the wiring efficiency of the equipment can be improved, and the practical value of the equipment can be enhanced.
Drawings
FIG. 1 is an exploded view of a terminal block;
fig. 2 is a perspective view of a connection terminal;
fig. 3 is a transverse cross-sectional view of the terminal;
fig. 4 is a longitudinal sectional view of the connection terminal;
fig. 5 is a schematic perspective view of a photovoltaic inverter;
fig. 6 is a schematic perspective view of a photovoltaic power plant.
Detailed Description
The application will be described in further detail below with reference to the drawings by means of specific embodiments. Wherein like elements in different embodiments are numbered alike in association. In the following embodiments, numerous specific details are set forth in order to provide a better understanding of the present application. However, one skilled in the art will readily recognize that some of the features may be omitted, or replaced by other elements, materials, or methods in different situations. In some instances, related operations of the present application have not been shown or described in the specification in order to avoid obscuring the core portions of the present application, and may be unnecessary to persons skilled in the art from a detailed description of the related operations, which may be presented in the description and general knowledge of one skilled in the art.
Furthermore, the described features, operations, or characteristics of the description may be combined in any suitable manner in various embodiments. Also, various steps or acts in the method descriptions may be interchanged or modified in a manner apparent to those of ordinary skill in the art. Thus, the various orders in the description and drawings are for clarity of description of only certain embodiments, and are not meant to be required orders unless otherwise indicated.
The numbering of the components itself, e.g. "first", "second", etc., is used herein merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "coupled" as used herein includes both direct and indirect coupling (coupling), unless otherwise indicated.
Referring to fig. 1-4, the present application discloses a connection terminal 1, which includes a base 11, a guide plate 13 and a cover 14, and is described below.
The base 11 is adapted to be mounted on a housing of an electrical device to form a wiring carrier on the housing of the electrical device. In one embodiment, the base 11 includes a vertical wall 110 and a guide groove 112, wherein the vertical wall 110 is used for being connected with a housing of the electric power equipment to assemble and position the base 11, the guide groove 112 is vertically fixed on one side surface of the vertical wall 110, extends to the other side surface of the vertical wall 110, and the guide plate 13 is cooperatively installed in the groove body of the guide groove 112.
In one embodiment, referring to fig. 1, the body of the guide groove 112 extends to the other side of the upright wall 110, and a through hole through which the guide plate 13 can pass is formed in the upright wall 110. In addition, the width and depth of the channel body of the guide channel 112 should be slightly larger than the width and height of the guide plate 13, so that the guide plate 13 does not shake due to a large fit clearance when the guide plate 13 is fitted in the guide channel 112.
It should be noted that, in order to satisfy the two-phase wiring method, two guide plates 13 are provided, two guide grooves 112 are provided on the base 11, and the two guide plates 13 are respectively mounted in cooperation with the two guide grooves. Those skilled in the art will appreciate that when two guide plates 13 and two guide grooves 112 are provided, a two-way wiring line can be formed, and a two-phase electrical wiring method can be satisfied.
Further, the base 11 further includes a partition 114, where the partition 114 is fixed on the vertical wall 110, and separates the two parallel fixed guide slots 112, so that the wiring lines of the two paths do not affect each other, and a short circuit caused by touching the lines is avoided.
Further, referring to fig. 1 and 2, a plurality of first hooks 1102 are formed on the other side of the standing wall 110 opposite to the guide groove 112, and the plurality of first hooks 1102 are used to detachably connect the standing wall 110 with the housing of the electrical device. In a specific embodiment, the number of the first hooks 1102 is four, and the first hooks 1102 are respectively disposed at four corners of the other side surface of the vertical wall 110 opposite to the guide groove 112, so that the vertical wall 110 can be firmly connected to the housing of the electrical device through the first hooks 1102. In another embodiment, the other side surface of the standing wall 110 opposite to the guide groove 112 is not formed 1102, but an adhesive material such as glue is formed on the other side surface so that the standing wall 110 can be adhered to the housing of the electric device.
Further, referring to fig. 1 to 4, a stopper 1101 is formed on the other side surface of the standing wall 110 opposite to the guide groove 112, and the stopper 1101 is adapted to cooperate with a screw to position-define the guide plate 13 installed in the groove body of the guide groove 112. In a specific embodiment, as shown in fig. 3 to 4, two limiting blocks 1101 are provided, and each of the two guide plates 13 mounted in the two guide grooves 112 in a matched manner is defined in position; for any of the stoppers 1101, the guide plate 13 may be fixed to the stopper 1101 by a screw D2 passing through a corresponding through hole in the guide plate 13. In another embodiment, for any of the stoppers 1101, the guide plate 13 may be fixed to the stopper 1101 by an adhesive material such as glue. It should be noted that, the limiting block 1101 is beneficial to fixing the guide plate 13, so that the guide plate 13 forms a relatively stable state in the guide slot 112, and the situation that the single plate 13 is shifted or falls off due to shaking is avoided.
A guide plate 13 is mounted on the base 11, one end of the guide plate 13 being for connection to an internal circuit of the power equipment, and the other end being for connection to an external electric wire L1. In a specific embodiment, referring to fig. 1 and 3, the guide plate 13 is formed with end portions for wiring on both sides of the standing wall, respectively, and screw holes 130 and 132 are formed on each end portion of the guide plate 13 for screw-type wiring; for example, when the guide plate 13 is fitted to the guide groove 112, the external electric wire L1 may be connected to the guide plate 13 through the screw hole 130 and the screw D1 fitted thereto. The end of the electric wire L1 may be an electric wire that is connected to the guide plate 13 by being twisted around the screw D1, or a conventional electric connector that is flat and has a through hole may be connected to the guide plate 13 by being fitted around the screw D1.
Further, the guide plate 13 is a conductive carrier, and the material thereof may be copper, silver, aluminum or an alloy thereof. The length, width and height dimensions (or cross-sectional area) of the guide plate 13 should be set according to the actual power supply capability, and are not limited herein.
The cover 15 is detachably connected to the base 11 for cooperation with the base 11 to form a protective enclosure. In an embodiment, as shown in fig. 1 and 4, the cover 15 is formed with a chamber for closing the guide 112, and a through hole 150 is formed on one side wall of the chamber, and the through hole 150 is used for inserting an external electric wire L1, so that the electric wire L1 can be connected with the guide plate 13 mounted in the groove body of the guide groove 112 in a matching manner. In another embodiment, the through hole 150 may be a circular hole or a rectangular opening to facilitate easy insertion of the wire L1.
Further, as shown in fig. 1, 3 and 4, a plurality of second buckles 152 extending outwards are formed on the other side wall of the cavity of the cover 15, a plurality of second clamping holes 1103 respectively matched with the plurality of second buckles 152 are formed on the vertical wall of the base 11, and the plurality of second buckles 152 are matched with the plurality of second clamping holes 1103 to enable the cover 15 to be detachably connected with the vertical wall 110 of the base. In a specific embodiment, the number of the second buckles 152 is two, and the second buckles are respectively disposed on two side walls of the cover 15; the number of the second clamping holes 1103 is two, and the two second clamping holes 1103 are respectively arranged at the positions close to the edge of the vertical wall 110, so that the other second clamping buckles 152 conveniently penetrate into the two second clamping holes 1103, thereby detachably connecting the cover body 15 on the vertical wall 110. When the user needs to connect the wire, the second buckle 152 may be pressed to disengage from the base 11, so as to expose the guide groove 112 and the guide plate 13, and at this time, the wire L1 may be connected to the guide plate 13.
In another embodiment, if the user needs to perform single-phase or three-phase wiring, one or three guide grooves 112 may be fixed on the vertical wall 110 in parallel, and one guide plate 13 may be respectively and cooperatively installed in each guide groove 112, so as to achieve the single-phase or three-phase wiring requirement.
Referring to fig. 5, the present application discloses a photovoltaic inverter 2, which includes a device housing 21, an inverter circuit 22, and a connection terminal 1 disclosed in the first embodiment, and is described below.
The inverter circuit 22 is disposed inside the device housing 21 for electrically inverting the photovoltaic power. Since the photovoltaic inverter circuit belongs to the prior art, the structure and the working principle thereof are not described here.
The base 11 of the terminal 1 is fitted to the side wall of the device housing 21, and one end of the guide plate 13 of the terminal 1 is connected to the inverter circuit 22 and the other end is connected to the external electric wire L1. In a specific embodiment, as shown in fig. 1 and 5, a first fastening hole 210 that is matched with the first fastening holes 1102 is formed on a side wall of the device housing 21, and the first fastening holes 1102 pass through the first fastening holes 210 and are fastened on an inner side wall where the first fastening holes 210 are located, so that the device housing 21 and the standing wall 110 of the base form a detachable connection. It should be noted that, when the first buckle 1102 is connected to the device housing 21, it is beneficial to increase the assembly speed of the connection terminal 21 on the photovoltaic inverter 2, and brings convenience to the user.
In one embodiment, referring to fig. 1 and 5, one end of the guide plate 13 is connected to the inverter circuit 22 through the screw hole 132 and the screw D3 engaged therewith, so that the photovoltaic power transmitted on the electric wire L1 is transmitted to the inverter circuit 22, so that the inverter circuit operates.
In order to protect the application scheme of the connection terminal 1 on other devices, the application also correspondingly discloses an electric device 3, please refer to fig. 6, wherein the electric device 3 comprises a device housing 31, a control circuit (not labeled in the figure) and the connection terminal 1.
The control circuit is disposed inside the device housing 31 for power control. The power equipment 3 may include power control devices such as an electric energy meter, an electric leakage breaker, a fire alarm, a load control switch, an air switch, a dc power supply, etc., and the control circuit is an internal circuit of the corresponding power control device, which belongs to the prior art and will not be described in detail herein.
The base 11 of the terminal 1 is fitted to the side wall of the device housing 31, and one end of the guide plate 13 of the terminal 1 is connected to the control circuit and the other end is connected to the external electric wire L1.
The foregoing description of the application has been presented for purposes of illustration and description, and is not intended to be limiting. Several simple deductions, modifications or substitutions may also be made by a person skilled in the art to which the application pertains, based on the idea of the application.
Claims (2)
1. A photovoltaic inverter, comprising:
a device housing;
the inverter circuit is arranged in the device shell and is used for carrying out power inversion on the photovoltaic electric energy;
a terminal, comprising: a base for fitting over the device housing to form a wiring carrier on the device housing; the guide plate is assembled on the base, one end of the guide plate is used for being connected with an internal circuit of the power equipment, and the other end of the guide plate is used for being connected with an external electric wire; the cover body is detachably connected with the base and is used for being matched with the base to form a protective shell;
the base includes: a standing wall for connecting with the device housing to assemble and position the base; the guide groove is vertically fixed on one side surface of the vertical wall and extends to the other side surface of the vertical wall, and the guide plate is arranged in the groove body of the guide groove in a matching way;
wherein,,
a plurality of first buckles are formed on the other side face, opposite to the guide groove, of the vertical wall, and the first buckles are used for enabling the vertical wall to be detachably connected with the device shell;
a limiting block is formed on the other side face of the vertical wall, which is opposite to the guide groove, and is used for being matched with a screw to limit the position of a guide plate installed in the groove body of the guide groove;
the number of the guide grooves is two, and the guide grooves are fixed on one side surface of the vertical wall in parallel; the number of the guide plates is two, and the guide plates are respectively matched with the two guide grooves;
the base also comprises a baffle plate, wherein the baffle plate is fixed on the vertical wall and separates two parallel fixed guide grooves;
the guide plates are respectively provided with end parts for wiring at two sides of the vertical wall, and screw holes are formed at each end part of the guide plates for screw type wiring;
the guide plate is made of copper, silver, aluminum or alloy thereof;
the cover body is provided with a cavity, and the cavity is used for closing the guide groove; a through hole is formed on one side wall of the cavity, and is used for inserting an external electric wire so that the electric wire can be connected with a guide plate which is arranged in a groove body of the guide groove in a matched manner;
a plurality of second buckles extending outwards are formed on the other side wall of the cavity, a plurality of second clamping holes matched with the second buckles respectively are formed on the vertical wall of the base, and the second buckles are matched with the second clamping holes so that the cover body and the vertical wall of the base are detachably connected;
the base of the wiring terminal is assembled on the side wall of the device shell, one end of the guide plate of the wiring terminal is connected with the inverter circuit, and the other end of the guide plate of the wiring terminal is connected with an external electric wire;
the side wall of the device shell is provided with a first clamping hole matched with the first clamping buckles, the first clamping buckles penetrate through the first clamping holes and are clamped on the inner side wall where the first clamping holes are located, and the device shell and the vertical wall of the base are detachably connected.
2. An electrical device, comprising:
an equipment housing;
a power circuit built in the equipment housing for performing power control;
a terminal, comprising: a base for fitting to the equipment enclosure to form a wiring carrier on the equipment enclosure; the guide plate is assembled on the base, one end of the guide plate is used for being connected with an internal circuit of the power equipment, and the other end of the guide plate is used for being connected with an external electric wire; the cover body is detachably connected with the base and is used for being matched with the base to form a protective shell;
the base includes: the vertical wall is used for being connected with the equipment shell so as to assemble and position the base; the guide groove is vertically fixed on one side surface of the vertical wall and extends to the other side surface of the vertical wall, and the guide plate is arranged in the groove body of the guide groove in a matching way;
wherein,,
a plurality of first buckles are formed on the other side face, opposite to the guide groove, of the vertical wall, and the first buckles are used for enabling the vertical wall to be detachably connected with the equipment shell;
a limiting block is formed on the other side face of the vertical wall, which is opposite to the guide groove, and is used for being matched with a screw to limit the position of a guide plate installed in the groove body of the guide groove;
the number of the guide grooves is two, and the guide grooves are fixed on one side surface of the vertical wall in parallel; the number of the guide plates is two, and the guide plates are respectively matched with the two guide grooves;
the base also comprises a baffle plate, wherein the baffle plate is fixed on the vertical wall and separates two parallel fixed guide grooves;
the guide plates are respectively provided with end parts for wiring at two sides of the vertical wall, and screw holes are formed at each end part of the guide plates for screw type wiring;
the guide plate is made of copper, silver, aluminum or alloy thereof;
the cover body is provided with a cavity, and the cavity is used for closing the guide groove; a through hole is formed on one side wall of the cavity, and is used for inserting an external electric wire so that the electric wire can be connected with a guide plate which is arranged in a groove body of the guide groove in a matched manner;
a plurality of second buckles extending outwards are formed on the other side wall of the cavity, a plurality of second clamping holes matched with the second buckles respectively are formed on the vertical wall of the base, and the second buckles are matched with the second clamping holes so that the cover body and the vertical wall of the base are detachably connected;
the base of the wiring terminal is assembled on the side wall of the equipment shell, one end of the guide plate of the wiring terminal is connected with the power circuit, and the other end of the guide plate of the wiring terminal is connected with an external electric wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811210805.3A CN109274277B (en) | 2018-10-17 | 2018-10-17 | Binding post and photovoltaic inverter, power equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811210805.3A CN109274277B (en) | 2018-10-17 | 2018-10-17 | Binding post and photovoltaic inverter, power equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
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| CN109274277B true CN109274277B (en) | 2023-09-05 |
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| CN205142129U (en) * | 2015-11-25 | 2016-04-06 | 苏州瀚德能源科技有限公司 | Low resistance solar junction box |
| CN206004055U (en) * | 2014-02-28 | 2017-03-08 | 艾思玛太阳能技术股份公司 | Seal the device running through and inverter for providing |
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| CN102318455A (en) * | 2009-02-12 | 2012-01-11 | 弗罗纽斯国际有限公司 | The method that is used for the installed part of DC-AC converter and is used to install DC-AC converter |
| CN101877466A (en) * | 2009-04-29 | 2010-11-03 | 无锡尚德太阳能电力有限公司 | Photovoltaic system, junction box and voltage conversion device thereof |
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| CN109274277A (en) | 2019-01-25 |
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