Junction box capable of rapidly replacing module diode

Abstract

The utility model relates to the junction box field, and relates to a junction box capable of fast replacing a module diode, the junction box comprises a box body, an end cover, a module diode and a limiting rod, the end cover is clamped on the top of the box body, the lower end of the end cover is provided with a push rod, and the limiting rod is arranged at the bottom of the inner side of the box body. The module diode is clamped between the limiting rods, trapezoid protruding blocks are arranged on the outer sides of the limiting rods, the push rod is located on the outer sides of the limiting rods, a guide inclined face is arranged on the inner side of the bottom of the push rod, a trapezoid groove matched with the trapezoid protruding blocks is formed in the push rod, and the module diode can be locked in the end cover installing process. The module diode can be removed in the end cover taking-out process, and then the module diode is taken out, and operation is simple and efficient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of junction box relates to a junction box of quick replacement module diode. BACKGROUND

[0002] The photovoltaic junction box is an indispensable component in the photovoltaic power generation system, and is a key element for the photovoltaic module to normally deliver electric energy to the outside. The conventional photovoltaic junction box is installed on the back side of the photovoltaic module, and is used to lead the positive and negative poles of the photovoltaic module to the outside, so as to realize electrical connection with the adjacent photovoltaic module, thereby being connected in series to form the entire photovoltaic power generation system. The module diode is installed inside the box body of the junction box, and then the inside of the box body is filled with glue. The glue has certain viscosity, can keep the internal components stable, and avoid problems such as loosening and falling of the device during transportation or long-term use. The internal glue has certain heat conductivity, which can help dissipate heat and conduct heat under high temperature, so that the temperature is kept within the bearing range, and the junction box has good protection effect. However, the module diode is a consumable part, and needs to be replaced after long-term use. Due to the internal glue filling mode, the junction box is generally replaced as a whole for maintenance, which results in high maintenance cost.

[0003] Therefore, in order to solve the problems in the prior art, a junction box with simple structure for quick replacement of module diode needs to be designed. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a junction box for quick replacement of module diode to solve the problems in the prior art.

[0005] The utility model discloses a junction box for quick replacement of module diode to solve the problems in the prior art.

[0006] Further improvement, the limit rod upper end is equipped with the limit block, the limit block is located the outside of module diode before the push rod of end cover is not inserted.

[0007] Further improvement, the module diode is equipped with the guide hole, the inside of box body is equipped with the tapered guide rod of matching guide hole, the tapered guide rod is located the inside of limit rod.

[0008] Further improvement, the limit rod and push rod are symmetrically provided with four groups.

[0009] Further improvement, the box upper end is equipped with the rhombus clamping block symmetrically, the end cover upper end is equipped with the clamping groove symmetrically.

[0010] Compared with the prior art, the utility model discloses the beneficial effects of the junction box of the module diode are quickly replaced:

[0011] Module diode is installed in the box body, and the upper end of the limiting rod is located outside the module diode (not clamping the upper end surface of the module diode) at this time, when the end cover is installed in the box body, the push rod at the lower end of the end cover is lowered, the limiting rod is pushed inwards along the guide inclined plane, so that the upper end of the limiting rod clamps the upper end surface of the module diode, and the module diode is fixed, when the push rod pushes the bottom of the box body, the trapezoidal protrusion of the limiting rod is clamped into the trapezoidal recess of the push rod, the stable butt joint of the two is realized, and the stability of clamping and fixing the module diode is improved, when the module diode needs to be replaced, the push rod can be moved upwards until the push rod is separated from the limiting rod in the process of taking out the end cover upwards, the limiting rod is reset to release the limitation on the module diode, and then the module diode can be directly taken out, the module diode can be locked in the process of installing the end cover, and the module diode can be released in the process of taking out the end cover, and then the module diode is taken out, so that the operation is simple and efficient. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structural schematic diagram of the utility model

[0013] Figure 2 It is the structural schematic diagram of the utility model explosion map

[0014] Figure 3 It is the structural schematic diagram of the utility model internal module diode fixing

[0015] Figure 4 It is Figure 3 It is the structural schematic diagram of the partial enlarged view

[0016] Figure 5 It is the structural schematic diagram of the utility model internal module diode unfixed

[0017] Figure 6 It is Figure 5 It is the structural schematic diagram of the partial enlarged view

[0018] In the drawing, 1 is a box body, 11 is a rhombus clamping block, 12 is a conical guide rod, 2 is an end cover, 21 is a clamping groove, 3 is a module diode, 31 is a guide hole, 4 is a limiting rod, 41 is a trapezoidal protrusion, 42 is a limiting block, 5 is a push rod, 51 is a guide inclined plane, and 52 is a trapezoidal recess. DETAILED DESCRIPTION

[0019] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only is for the convenience of describing the utility model and simplifying the description, and is not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation structure and operation, therefore cannot be understood as the restriction of the utility model.

[0020] In the description of the utility model, it needs to explain, unless another explicit provision and limitation, the term "installation", "link", "connection" should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0021] The following will be combined with the embodiment and the attached Figures 1-6 The technical scheme of the utility model is further described.

[0022] Example 1

[0023] A kind of quick replacement module diode terminal box, comprising: box body 1, end cap 2, module diode 3 and limit rod 4, the end cap 2 is clamped in the top of box body 1, the push rod 5 of the lower end of end cap 2 is equipped, the limit rod 4 is set to inside bottom of box body 1, the module diode 3 is clamped in limit rod 4 between, the limit rod 4 outside is equipped with trapezoidal lug 41, the push rod 5 is located in the outside of limit rod 4, the push rod 5 bottom inside is equipped with guide inclined plane 51, the push rod 5 is equipped with trapezoidal recess 52 matching trapezoidal lug 41.

[0024] As Figures 1-6 The utility model uses principle: after module diode 3 is loaded into box body 1 inside, the upper end of limit rod 4 is located in the outside of module diode 3 (not clamped the upper end surface of module diode 3), when end cap 2 is loaded into the process in box body 1, push rod 5 of the lower end of end cap 2 is moved down, along with guide inclined plane 51 limit rod 4 is pushed to inside, further make the upper end of limit rod 4 clamps the upper end surface of module diode 3, further fixed module diode 3, when push rod 5 pushes the bottom of contact box body 1, trapezoidal lug 41 of limit rod 4 is inserted into trapezoidal recess 52 of push rod 5, realizes the stable butt joint of both, improves the stability of module diode 3 clamping fixation, when needing to replace module diode 3, the process of taking out end cap 2 upwards, the setting of trapezoidal recess 52 shape makes push rod 5 can move up until disengaging limit rod 4, limit rod 4 resets and removes the limitation to module diode 3, further can directly take out module diode 3, the process of loading end cap can lock module diode, the process of taking out end cap can remove module diode, further take out module diode, simple and efficient operation.

[0025] As a further preferred embodiment, the upper end of the limiting rod 4 is provided with a limiting block 42, which is located outside the module diode 3 before the push rod 5 of the end cover 2 is inserted, ensuring the smooth loading of the module diode 3 into the box body 1.

[0026] As a further preferred embodiment, the module diode 3 is provided with a guide hole 31, and the inside of the box body 1 is provided with a tapered guide rod 12 matching the guide hole 31, which is located inside the limiting rod 4. Through the cooperation of the tapered guide rod 12 and the guide hole 31, it can be ensured that the module diode 3 is installed in the correct direction and position when inserted into the box body 1, reducing assembly errors, improving assembly efficiency and positioning accuracy of the module diode 3.

[0027] As a further preferred embodiment, the limiting rod 4 and the push rod 5 are symmetrically provided with four groups. The four groups of symmetrically arranged limiting rods 4 can make the module diode 3 stably clamped in the box body 1 without falling off, improving the stability and reliability of the overall structure.

[0028] As a further preferred embodiment, the upper end of the box body 1 is symmetrically provided with a rhombic clamping block 11, and the upper end of the end cover 2 is symmetrically provided with a clamping groove 21. Through the cooperation of the rhombic clamping block 11 and the clamping groove 21, the connection strength between the end cover 2 and the box body 1 can be improved, and the overall sealing and protection performance of the junction box is enhanced.

[0029] The above describes the preferred embodiments of the present application in detail. It should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the present application. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment on the basis of the prior art according to the concept of the present application shall be within the protection scope determined by the claims.

Claims

1. A junction box for quick-replacement module diodes, characterized in that, include: The enclosure comprises a housing, an end cap, a module diode, and a limiting rod. The end cap is snapped onto the top of the housing. A push rod is located at the lower end of the end cap. The limiting rod is located at the bottom inner side of the housing. The module diode is snapped between the limiting rods. A trapezoidal protrusion is located on the outer side of the limiting rod. The push rod is located on the outer side of the limiting rod. A guide slope is located on the inner side of the bottom of the push rod. A trapezoidal groove matching the trapezoidal protrusion is provided on the push rod.

2. The junction box for quick-replacement module diodes according to claim 1, characterized in that, The upper end of the limiting rod is provided with a limiting block, which is located outside the module diode before the push rod of the end cover is inserted.

3. The junction box for quick-replacement module diodes according to claim 1, characterized in that, The module diode is provided with a guide hole, and the inside of the housing is provided with a tapered guide rod that matches the guide hole. The tapered guide rod is located inside the limiting rod.

4. The junction box for quick-replacement module diodes according to claim 1, characterized in that, The limiting rod and push rod are arranged in four sets symmetrically.

5. The junction box for quick-replacement module diodes according to claim 1, characterized in that, The upper end of the box is symmetrically provided with diamond-shaped locking blocks, and the upper ends of the end cap are symmetrically provided with locking slots on both sides.

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