Plate-end photovoltaic fuse connector
Technical Field
The utility model relates to a fuse accessory field especially relates to a board end photovoltaic fuse connector.
Background
Chinese patent application No. 201922231390.4 discloses a fuse connector including a positive connector body having a positive terminal, a negative connector body having a negative terminal, a connecting pipe having a fuse, and a pipe sealing structure for sealing. One end of the connecting pipe is connected with the positive connector body, and the other end of the connecting pipe is connected with the negative connector body; the connecting pipe comprises a positive claw head connected with the positive terminal and a negative claw head connected with the negative terminal, the fuse card is inserted between the positive claw head and the negative claw head, the positive terminal is provided with a flat-plate-shaped plug extending along the axial direction, the positive claw head is provided with an opening and a flat-plate-shaped insertion sheet, the plug is attached to the insertion sheet after being inserted into the positive claw head along the opening to realize electric conduction, the negative terminal is provided with a flat-plate-shaped plug extending along the axial direction, the negative claw head is provided with an opening and a flat-plate-shaped insertion sheet, and the plug is attached to the insertion sheet after being inserted into the positive claw head along the opening to realize electric conduction.
Chinese patent application No. 201220378162.5 discloses a can change fuse, photovoltaic connector of diode, including the male joint, female joint with the male joint connection, the connection chamber has been seted up to the male joint left part, it is provided with convex male terminal to connect the intracavity, right holding chamber has been seted up to the male joint right part, the female joint right part is provided with elasticity hasp, elasticity hasp down, be provided with the spliced pole between last elasticity hasp and the elasticity hasp down, spliced pole right part inner chamber is connected with the cydariform terminal, the left holding chamber corresponding with right holding chamber is seted up to the female joint left part, fuse or the diode that can change are put to right holding chamber and left holding intracavity.
The photovoltaic fuse holder is complex in structure, the existing photovoltaic products are only photovoltaic fuse holders, the fuse holders can only be installed in parallel, the heat dissipation performance is poor, and the assembly is inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's above-mentioned defect, provide a board end photovoltaic fuse connector.
In order to achieve the above purpose, the utility model provides a technical scheme as follows: the utility model provides a board end photovoltaic fuse connector, including the connector housing, the inside bottom of connector housing still is equipped with the internal thread, connector housing bottom spiro union is equipped with the connector, the connector top corresponds the internal thread and is equipped with the connector external screw thread, the connector housing is equipped with the fuse with connector inside, the fuse top joint that the inside top of connector housing is connected is equipped with first terminal, the fuse bottom joint that the inside bottom of connector is connected is equipped with the second terminal, the connector housing outside is equipped with the connector external screw thread, connector external screw thread department spiro union is equipped with the nut.
Furthermore, the connector comprises a locking wire end connector, a male end connector and a female end connector.
Furthermore, the connector of connector housing bottom spiro union is lockwire end connector, is equipped with lockwire connector sealing washer between lockwire end connector top and the connector housing, and lockwire end connector bottom spiro union is equipped with lockwire connector nut, is equipped with the waterproof circle of cylindricality between lockwire connector nut and the lockwire end connector.
Furthermore, the connector screwed at the bottom of the connector shell is a male end connector, and a male end connector sealing ring is arranged between the top end of the male end connector and the connector shell.
Further, the connector of connector housing bottom spiro union is female end joint, is equipped with first female end joint sealing washer between female end joint top and the connector housing, and the inside bottom of female end joint still is equipped with the female end of second and connects the sealing washer, and the second terminal of bottom connection still is equipped with the shell fragment terminal in the female end joint.
Furthermore, the connector shell is provided with a plurality of heat dissipation through holes.
The utility model discloses an useful part is: simple structure, effectual solution heat dissipation, equipment, be convenient for change the fuse and reduce cost in order to reach the price/performance ratio that promotes collection flow box and dc-to-ac converter.
Drawings
Fig. 1 is an exploded view of a first embodiment of a board end photovoltaic fuse connector of the present invention;
fig. 2 is an exploded view of a second embodiment of a board end photovoltaic fuse connector of the present invention;
fig. 3 is an exploded view of a third embodiment of a board end photovoltaic fuse connector according to the present invention.
Detailed Description
The technical solution of the present invention will be further described with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1-3, a board end photovoltaic fuse connector, including connector housing 1, the inside bottom of connector housing 1 still is equipped with the internal thread (not shown in the figure), connector housing 1 bottom spiro union is equipped with the connector, the connector top corresponds the internal thread and is equipped with connector external screw thread 22, connector housing 1 and the inside fuse 3 that is equipped with of connector, the 3 top joints of the fuse of the inside top connection of connector housing 1 are equipped with first terminal 41, the 3 bottom joints of the fuse of the inside bottom connection of connector are equipped with second terminal 42, connector housing 1 outside is equipped with connector external screw thread 51, connector external screw thread 51 department spiro union is equipped with nut 52.
Further, the connectors include a locking wire end connector 21, a male end connector 22 and a female end connector 23.
Further, as shown in fig. 1, the connector screwed at the bottom of the connector housing 1 is a locking wire end connector 21, a locking wire connector sealing ring 211 is arranged between the top end of the locking wire end connector 21 and the connector housing 1, a locking wire connector nut 212 is screwed at the bottom end of the locking wire end connector 21, and a cylindrical waterproof ring 213 is arranged between the locking wire connector nut 212 and the locking wire end connector 21.
Further, as shown in fig. 2, the connector screwed at the bottom of the connector housing 1 is a male connector 22, and a male connector sealing ring 221 is disposed between the top end of the male connector 22 and the connector housing 1.
Further, as shown in fig. 3, a connector screwed at the bottom of the connector housing 1 is a female terminal connector 23, a first female terminal connector sealing ring 231 is arranged between the top end of the female terminal connector 23 and the connector housing 1, a second female terminal connector sealing ring 232 is further arranged at the bottom end inside the female terminal connector 23, and a spring plate terminal 421 is further arranged at the second terminal 42 connected to the bottom inside the female terminal connector 23.
Furthermore, the connector housing 1 is provided with a plurality of heat dissipating through holes 11.
More than, the utility model discloses simple structure adopts the spiro union to be connected between connector housing 1 and the connector respectively, and the installation equipment is comparatively convenient, through being connected different connectors with connector housing 1, carries out different connections according to customer's actual demand, and a plurality of heat dissipation through-holes 11 of seting up on through connector housing 1, has effectively played the heat dissipation function, is worth extensively promoting.
What has been described above is merely the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several modifications and improvements can be made, and the protection scope of the present invention should be considered.