CN215070599U

CN215070599U - Protection device of photovoltaic connector

Info

Publication number: CN215070599U
Application number: CN202121103135.2U
Authority: CN
Inventors: 李前进; 张真玮; 朱第保; 施杰
Original assignee: Yangzhong Shangyao Photovoltaic Co ltd
Current assignee: Yangzhong Shangyao Photovoltaic Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-12-07
Anticipated expiration: 2031-05-21

Abstract

The utility model provides a protection device of a photovoltaic connector, which comprises an upper protection cover and a lower protection cover, wherein the upper protection cover consists of a main body I and a conical end part I positioned at two ends of the main body I, a baffle is fixedly arranged at two sides of the main body I, a baffle block is arranged at the inner side of the conical end part I, a wire clamping port is arranged on the baffle, a groove I is arranged in the wire clamping port, a limiting plate is arranged on the baffle through a first spring, a groove II which is uniformly and symmetrically arranged is arranged in the inner cavity of the main body I, a connecting seat is movably arranged in the groove II through a second spring arranged at two ends, an arc limiting block is arranged on the connecting seat through a spring, an elastic arc plate I is arranged at one end of the main body, an arc groove I is arranged on the main body II, a clamping plate is symmetrically arranged at the other end of the main body I of the upper protection cover, an elastic clamping hook is arranged on the clamping plate, and a limiting clamping groove is arranged at the other end of the main body II of the lower protection cover, the inner structures of the second main body and the second conical end part of the lower protective cover are the same as and symmetrical to the upper protective cover.

Description

Protection device of photovoltaic connector

Technical Field

The utility model belongs to the technical field of photovoltaic power generation, concretely relates to protection device of photovoltaic connector.

Background

In order to collect a large number of elements and enter an inverter, a cable and a connector are required, the photovoltaic connector is a key part of a photovoltaic power generation system, the photovoltaic system is exposed in severe environments such as wind and rain for a long time, and therefore the photovoltaic system needs to have the performances of sealing, water resistance, high temperature resistance, ultraviolet resistance and the like, and a plug-in copper core and a copper core of the cable are arranged inside the photovoltaic connector, so that good sealing performance is necessary.

For example, a publication number CN207117567U discloses a photovoltaic connector protection device, which comprises a bottom cover, a top cover and a cavity formed between the bottom cover and the top cover for accommodating a photovoltaic connector, wherein the bottom cover is provided with a strip-shaped main body part and tapered end parts positioned at two ends of the main body part, two ends of the main body part are provided with partition plates, the partition plates are arranged between the tapered end parts and the main body part, the photovoltaic connector protection device is sleeved on the photovoltaic connector, and the mutually-contacted positions of the photovoltaic connector and an outer covering wire of a connecting wire are protected, so that the photovoltaic connector is prevented from being damaged, the abrasion of the outer covering wire, the breakage and the electric leakage caused by friction and frequent bending of the connecting wire can be avoided, the shock-proof effect can be achieved, the insulation performance is improved, the structure is simple, and the operation and the installation are simple.

Among the current photovoltaic connector protection device, opening and shutting of bottom and top cap is realized through the pivot, and during the closure, the sealed effect of bottom and top cap pivot junction is poor, and along with the increase of live time, inside rainwater, dust etc. can enter into protection device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art, the utility model provides a photovoltaic connector's protection device.

The utility model provides a following technical scheme:

a protection device of a photovoltaic connector comprises an upper protection cover and a lower protection cover, wherein the upper protection cover and the lower protection cover are connected through a hinge, the upper protection cover consists of a main body I and conical end parts I positioned at two ends of the main body I, the baffles are fixedly arranged at two sides of the main body I, the inner sides of the conical end parts I are provided with baffle blocks, the baffle blocks are provided with converging holes, the baffle plates are provided with wire clamping ports, the wire clamping ports are internally provided with first grooves, limiting plates are arranged on the baffle plates through first springs, one ends of the first springs are arranged in the first grooves, the inner cavity of the main body I is provided with second grooves which are uniformly and symmetrically arranged, a connecting seat is movably arranged in the second grooves through second springs arranged at two ends, an arc limiting block is arranged on the connecting seat through springs, one end of the main body of the upper protection cover is fixedly provided with a first elastic arc-shaped plate, the main body of the lower protection cover is provided with a first arc-shaped groove corresponding to the first arc-shaped plate, the other end of the first main body of the upper protective cover is symmetrically provided with a clamping plate, the clamping plate is provided with an elastic clamping hook, the other end of the second main body of the lower protective cover is provided with a limiting clamping groove corresponding to the clamping plate and the elastic clamping hook, and the inner structures of the second main body of the lower protective cover and the second conical end part of the lower protective cover are the same as and symmetrical to the upper protective cover.

Furthermore, an elastic arc-shaped plate II is fixedly arranged at one end of the conical end part of the upper protective cover, and an arc-shaped groove II corresponding to the elastic arc-shaped plate II is arranged on the conical end part II of the lower protective cover.

Furthermore, a splitter plate is fixedly mounted in the first conical end portion, is located between the stop block and the baffle, and is provided with through holes corresponding to the number of the photovoltaic connector connecting lines.

Further, the upper protection cover and the lower protection cover are made of heat insulation materials.

Furthermore, the heat insulation materials for manufacturing the upper protective cover and the lower protective cover adopt a nano plate.

Furthermore, a layer of polyurethane waterproof paint is brushed on the inner walls of the upper protective cover and the lower protective cover.

Furthermore, a button is movably mounted on the outer wall of the lower protective cover, and one end of the button penetrates through the second main body to be communicated with the limiting clamping groove.

The utility model has the advantages that:

1. the hinge joint of the upper protective cover and the lower protective cover is respectively matched with the first arc-shaped groove and the second arc-shaped groove through the first elastic arc-shaped plate and the second elastic arc-shaped plate, so that the sealing performance of the joint is ensured, and dust is prevented from entering.

2. Polyurethane waterproof paint is uniformly coated in the upper protective cover and the lower protective cover, so that the waterproof performance of the protective covers is ensured.

3. The upper protective cover and the lower protective cover are made of nano plates, so that the heat resistance of the protective covers is improved, and the service life of the protective covers is prolonged.

4. The elastic limiting blocks in the first main body and the second main body are adjustable in position through the springs connected with the connecting seats and the connecting seats, and are suitable for photovoltaic connectors with different diameters and sizes, and the applicability of the protective cover is improved.

5. The connecting wire converges line hole department again through the reposition of redundant personnel on the flow distribution plate, because the connecting wire cross-section is circular, and many connecting wires converge when gathering line hole, dust such as rainwater can get into the visor from the connecting wire gap, sets up the flow distribution plate, further keeps apart main part and toper tip.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is an isometric view of an upper protective cover of the present invention;

fig. 2 is a top view of the upper protection cover of the present invention;

fig. 3 is an isometric view of the lower protective cover of the present invention;

fig. 4 is a top view of the lower protection cover of the present invention;

fig. 5 is a sectional view of the limiting slot of the present invention.

Labeled as: 100. an upper protective cover; 101. a first conical end; 102. a first main body; 103. clamping a plate; 104. an elastic hook; 105. a wire converging hole; 106. a stopper; 107. a second groove; 108. a first elastic arc-shaped plate; 109. a second elastic arc-shaped plate; 110. a connecting seat; 111. a second spring; 112. an elastic limiting block; 113. a wire clamping port; 114. a baffle plate; 115. a hinge; 116. a limiting plate; 117. a flow distribution plate; 118. a first spring; 119. a first groove; 200. a lower protective cover; 201. a button; 202. an arc-shaped groove II; 203. a first arc-shaped groove; 204. a limiting clamping groove; 205. a second conical end; 206. and a second main body.

Detailed Description

As shown in fig. 1 to 4, a protection device for a photovoltaic connector comprises an upper protection cover 100 and a lower protection cover 200, wherein the upper protection cover 100 and the lower protection cover 200 are connected through a hinge 115, the upper protection cover 100 is composed of a first main body 102 and a first tapered end 101 located at two ends of the first main body 102, a baffle 114 is fixedly installed at two sides of the first main body 102, a stopper 106 is arranged at the inner side of the first tapered end 101, a wire converging hole 105 is arranged on the stopper 106, a wire clamping port 113 is arranged on the baffle 114, a first groove 119 is arranged in the wire clamping port 113, a limiting plate 116 is installed on the baffle 114 through a first spring 118, one end of the first spring 118 is installed in the first groove 119, a second groove 107 which is uniformly and symmetrically arranged is arranged in an inner cavity of the first main body 102, a connecting seat 110 is movably installed in the second groove 107 through a second spring 111 which is installed at two ends, an arc limiting block 112 is installed on the connecting seat 110 through a spring, one end of the first main body 102 of the upper protection cover 100 is fixedly installed with a first elastic arc plate 108, the second main body 206 of the lower protection cover 200 is provided with a first arc-shaped slot 203 corresponding to the first arc-shaped plate 108, one end of the first tapered end 101 of the upper protection cover 100 is fixedly provided with a second elastic arc-shaped plate 109, and the second tapered end 205 of the lower protection cover 200 is provided with a second arc-shaped slot 202 corresponding to the second elastic arc-shaped plate 109.

When the upper protective cover 100 and the lower protective cover 200 are closed, the first main body 102 and the second main body 206 form a cavity for accommodating a photovoltaic connector, the first conical end 101 and the second conical end 205 form a cavity for connecting wires through the photovoltaic connector, and the first conical end 101 and the second conical end 205 are different in size, so that the elastic limiting block 112 for supporting the photovoltaic connector is movably arranged, the automatic adjustment and fixation according to the size of the photovoltaic connector are facilitated, the connecting base 110 and the second springs 111 installed at two ends of the connecting base 110 adjust the axial position of the elastic limiting block 112, and the springs between the elastic limiting block 112 and the connecting base 110 adjust the radial position of the elastic limiting block 112, so that different photovoltaic connectors are clamped conveniently, and the photovoltaic connectors are prevented from colliding in the cavity of the protective cover; in order to improve the sealing performance of the hinged part of the upper protective cover 100 and the lower protective cover 200, the first elastic arc-shaped plate 108 and the second elastic arc-shaped plate 109 on the upper protective cover 100 are respectively positioned in the first arc-shaped groove 203 and the second arc-shaped groove 202 on the lower protective cover 200, and when the upper protective cover 100 and the lower protective cover 200 are opened, the first elastic arc-shaped plate 108 and the second elastic arc-shaped plate 109 move in the first arc-shaped groove 203 and the second arc-shaped groove 202, so that rainwater and dust are prevented from entering the cavity from the joint.

As shown in fig. 1 to 5, the other end of the first main body 102 of the upper protective cover 100 is symmetrically provided with a clamping plate 103, the clamping plate 103 is provided with an elastic hook 104, the other end of the second main body 206 of the lower protective cover 200 is provided with a limit slot 204 corresponding to the clamping plate 103 and the elastic hook 104, the outer wall of the lower protective cover 200 is movably provided with a button 201, one end of the button 201 passes through the second main body 206 and is communicated with the limit slot 204, the inner structures of the second main body 206 and the second conical end 205 of the lower protective cover 200 are the same as and symmetrical to the upper protective cover 100, the first conical end 101 is also fixedly provided with a shunt plate 117, the shunt plate 117 is positioned between the stopper 106 and the baffle 114, the shunt plate 117 is provided with through holes corresponding to the number of the photovoltaic connector connecting lines, the upper protective cover 100 and the lower protective cover 200 are made of thermal insulation material, the thermal insulation material for making the upper protective cover 100 and the lower protective cover 200 is made of nano plate, the upper protective cover 100 is made of thermal insulation material, and the lower protective cover 200 is made of nano plate, the upper protective cover 100, The inner wall of the lower protective cover 200 is brushed with a layer of polyurethane waterproof paint.

In order to facilitate the opening and closing of the upper protective cover 100 and the lower protective cover 200, the lower protective cover 200 is further provided with a button 201, when the lower protective cover 200 is closed, the clamping plate 103 and the elastic clamping hook 104 are located in the limiting clamping groove 204, at the moment, the elastic clamping hook 104 is pressed by the limiting clamping groove 204 to be close to one side of the clamping plate 103, when the elastic clamping hook 104 moves to one side of a hole where the button 201 is located, the elastic clamping hook 104 returns to the original position to clamp the hole where the button 201 is located, if the upper protective cover 100 needs to be opened, the button 201 is pushed inwards, when the elastic clamping hook 104 is pushed out of the hole into the limiting clamping groove 204, the upper protective cover 100 can be opened, and the button 201 and the hole wall of the hole where the button is located are provided with springs, so that the button 201 can be reset conveniently; connecting wires on the photovoltaic connector respectively penetrate through holes in the flow distribution plate 117 and are collected to the line collecting hole 105, so that dust and rainwater are prevented from entering the accommodating cavity from gaps of the connecting wires, meanwhile, the upper protective cover 100 and the lower protective cover 200 are further waterproof through brushing waterproof coatings, the waterproof performance of the protective covers is improved, and the service life of the photovoltaic connector is further guaranteed.

The utility model discloses when using, put the photovoltaic connector on the elasticity limiting plate 112 in main part two 206, with the connecting wire at photovoltaic connector both ends earlier through card line mouth 113, the through-hole on the flow distribution plate 117 is passed respectively to the subdividing, collect collection line hole 105 department again, arrange the connecting wire after, will go up visor 100 and lower visor 200 closure, if need open visor 100, press button 201, can be manual open visor 100, and easy operation, simple to operate, waterproof, dustproof, the heat resistance is good.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A protection device of a photovoltaic connector comprises an upper protection cover (100) and a lower protection cover (200), wherein the upper protection cover (100) and the lower protection cover (200) are connected through a hinge (115), the upper protection cover (100) is composed of a first main body (102) and first conical end portions (101) located at two ends of the first main body (102), a baffle (114) is fixedly installed on two sides of the first main body (102), a stop block (106) is arranged on the inner side of the first conical end portions (101), a line converging hole (105) is formed in the stop block (106), the protection device is characterized in that a line clamping port (113) is formed in the baffle (114), a first groove (119) is formed in the line clamping port (113), a limiting plate (116) is installed on the baffle (114) through a first spring (118), one end of the first spring (118) is installed in the first groove (119), and second grooves (107) which are uniformly and symmetrically arranged are formed in the inner cavity of the first main body (102), the connecting seat (110) is movably arranged in the second groove (107) through second springs (111) arranged at two ends, the arc-shaped limiting block (112) is arranged on the connecting seat (110) through the springs, one end of a first main body (102) of the upper protective cover (100) is fixedly provided with a first elastic arc-shaped plate (108), a second main body (206) of the lower protective cover (200) is provided with a first arc-shaped groove (203) corresponding to the first arc-shaped plate (108), the other end of the first main body (102) of the upper protective cover (100) is symmetrically provided with a clamping plate (103), the clamping plate (103) is provided with an elastic clamping hook (104), the other end of the second main body (206) of the lower protective cover (200) is provided with a limiting clamping groove (204) corresponding to the clamping plate (103) and the elastic clamping hook (104), the internal structures of the second main body (206) and the second conical end (205) of the lower protective cover (200) are the same as and symmetrical to the upper protective cover (100).

2. The protection device for the photovoltaic connector according to claim 1, wherein one end of the first tapered end portion (101) of the upper protection cover (100) is fixedly provided with a second elastic arc-shaped plate (109), and the second tapered end portion (205) of the lower protection cover (200) is provided with a second arc-shaped groove (202) corresponding to the second elastic arc-shaped plate (109).

3. The protection device for the photovoltaic connector is characterized in that a shunt plate (117) is fixedly installed in the first tapered end portion (101), the shunt plate (117) is located between the stop block (106) and the baffle (114), and through holes corresponding to the number of the photovoltaic connector connecting lines are formed in the shunt plate (117).

4. The protection device for photovoltaic connectors according to claim 1, characterized in that the upper protection cover (100) and the lower protection cover (200) are made of a heat insulating material.

5. The protection device for photovoltaic connectors as claimed in claim 4, wherein the thermal insulation material for making the upper protective cover (100) and the lower protective cover (200) is made of nano-plate.

6. The protection device for photovoltaic connectors as claimed in claim 1, wherein the inner walls of the upper protection cover (100) and the lower protection cover (200) are coated with a layer of polyurethane waterproof paint.

7. The protection device of the photovoltaic connector is characterized in that a button (201) is movably mounted on the outer wall of the lower protection cover (200), and one end of the button (201) penetrates through the second main body (206) to be communicated with a limiting clamping groove (204).