CN220209451U - Plug-in mechanism and lightning arrester - Google Patents

Abstract

The utility model relates to the technical field of lightning protection mechanisms of small fans, and discloses a plug-in mechanism and a lightning protection device, comprises a shell unit, a shell unit and a shell unit, wherein the shell unit comprises a blade, a support frame, a connector and a plug-in connector; the plug-in unit comprises a conductive head, a plug-in assembly and a clamping assembly; and the conductive unit comprises a conductive strip and a boosting component. The utility model has the beneficial effects that the conductive head can be quickly installed at the tip of the blade by arranging the plug-in mechanism, the conductive head can be quickly disassembled after failure without fastening by using tools, and the conductive head is very convenient; through the design, electricity can be better guided to the grounding mechanism, damage to the blades by lightning is prevented, and the operation cost is increased.

Description

Plug-in mechanism and lightning arrester

Technical Field

The utility model relates to the technical field of lightning protection mechanisms of small fans, in particular to a plug-in mechanism and a lightning arrester.

Background

Wind energy is used as a renewable energy source, development is rapid in recent years, and is more and more emphasized by various countries, the wind power generation installation amount of China is continuously increased, a wind generating set is generally positioned at a place with higher topography, wind power blades are positioned at the highest position of a fan, lightning strokes are easy to occur, the blades are damaged greatly by the lightning strokes, and maintenance cost is extremely high;

at present, in the lightning protection mechanism of wind turbine blade, the current on the blade is led and reduce the destruction that the current caused to the blade through the electric current more in the use, this just has led to the blade still to receive the influence of a small amount of through current, and the blade takes place for a long time and still can take place to damage, and current most wind turbine blade apex all can install the conductor head, but the conductor head is often inconvenient to install and dismantle, and is difficult to laminate with the conductor bar, consequently need design a grafting mechanism and lightning arrester to solve above-mentioned problem.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

The utility model is provided in view of the problem that the conductive head of the wind power blade is inconvenient to assemble and disassemble and the conductive effect is affected by the broken contact in the prior art.

In order to solve the technical problems, the utility model provides the following technical scheme: the plug-in mechanism comprises a shell unit, a supporting frame, a connector and a plug-in connector, wherein the supporting frame is arranged in the blade, the connector is arranged at one end of the blade, and the plug-in connector is arranged at the other end of the blade;

the plug-in unit comprises a conductive head arranged on one side of the plug-in head, a plug-in assembly arranged on one side of the conductive head and a clamping assembly arranged on the lower portion of the plug-in assembly.

As a preferred embodiment of the plug-in connection according to the utility model, the plug-in connection comprises: the support frame including evenly set up in support on the blade lateral wall, and set up in the sleeve on support top.

As a preferred embodiment of the plug-in connection according to the utility model, the plug-in connection comprises: the plug comprises a tightening table arranged at the lower end of the side wall of the plug, a conductive hole arranged in the middle of the tightening table, a sliding block groove arranged in the middle of the side wall of the plug, and a positioning groove arranged at the end of the plug and penetrating through the sliding block groove.

As a preferred embodiment of the plug-in connection according to the utility model, the plug-in connection comprises: the conductive head comprises a lightning guiding head arranged at the top of the conductive head, a lightning guiding body arranged at the lower part of the lightning guiding head, a positioning ring arranged outside the lightning guiding body, a clamping groove arranged below the positioning ring and a slot arranged at the bottom of the lightning guiding body.

As a preferred embodiment of the plug-in connection according to the utility model, the plug-in connection comprises: the plug assembly comprises a plug cylinder arranged below the conductive head, a positioning block arranged below the plug cylinder, a sliding block arranged below the positioning block, a reset spring arranged inside the plug cylinder and a resistance spring arranged in the positioning block.

As a preferred embodiment of the plug-in connection according to the utility model, the plug-in connection comprises: the plug-in cylinder comprises through holes arranged at the top of the plug-in cylinder, reset rods arranged at the bottom of the plug-in cylinder in an array manner, guide blocks arranged on the side walls of the reset rods, and first inclined surfaces arranged at the end parts of the reset rods.

As a preferred embodiment of the plug-in connection according to the utility model, the plug-in connection comprises: the positioning block comprises a rod groove arranged on one side of the positioning block and a guide groove arranged on the side wall of the rod groove;

the sliding block comprises a second inclined plane arranged at one end of the sliding block and a chute penetrating through the sliding block.

As a preferred embodiment of the plug-in connection according to the utility model, the plug-in connection comprises: the clamping assembly comprises a flexible piece arranged below the conductive head and an arc-shaped plate arranged at the end part of the flexible piece.

The plug-in mechanism has the beneficial effects that: through setting up an grafting mechanism, can install the blade pointed end fast with the conducting head, need not to use the instrument to fasten, and also can dismantle fast after the conducting head inefficacy, it is very convenient.

In view of the problem that the conducting strip is not attached to the grounding structure and broken contact occurs, the lightning arrester is provided.

In order to solve the technical problems, the utility model also provides the following technical scheme: a lightning protection device, comprising a plug-in mechanism; and the conductive unit comprises a conductive strip arranged on one side of the conductive head and a boosting component arranged on one side of the conductive strip.

As a preferred embodiment of the lightning arrester of the present utility model, wherein: the boosting assembly comprises a boosting spring arranged in the connector and a contact arranged on one side of the boosting spring.

The lightning arrester has the beneficial effects that: through the design, electricity can be better guided to the grounding mechanism, damage to the blades by lightning is prevented, and the operation cost is increased.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is an overall schematic view of a housing unit in the present utility model.

Fig. 2 is an internal structural view of the housing unit in the present utility model.

Fig. 3 is an internal structural view of the plug unit in the present utility model.

Fig. 4 is a working position diagram of the plug-in unit in the present utility model.

Fig. 5 is an overall schematic view of the lightning arrester of the present utility model.

Fig. 6 is an internal structural view of the lightning arrester according to the present utility model.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 to 3, a plugging mechanism according to a first embodiment of the present utility model includes a housing unit 100, including a blade 101, a supporting frame 102 disposed inside the blade 101, a connector 103 disposed at one end of the blade 101, and a plug 104 disposed at the other end of the blade 101;

the plug unit 200 comprises a conductive head 201 arranged on one side of the plug connector 103, a plug assembly 202 arranged on one side of the conductive head 201, and a clamping assembly 203 arranged on the lower part of the plug assembly 202.

Further, the supporting frame 102 includes a bracket 102a uniformly disposed on the sidewall of the blade 101, and a sleeve 102b disposed on the top end of the bracket 102 a.

Further, the plug 104 includes a tightening table 104a disposed at a lower end of a sidewall thereof, a conductive hole 104b disposed in the middle of the tightening table 104a, a slider groove 104c disposed in the middle of the sidewall of the plug 104, and a positioning groove 104d disposed at an end of the plug 104 and penetrating the slider groove 104 c.

It should be noted that, the two ends of the blade 101 are fixedly connected with the connector 103 and the plug 104 respectively, the interior of the blade 101 is hollow, wherein, the connector 103 is connected with the wind generating set, the plug 104 is connected with the plug unit 200, and the conductive connector 201 can be quickly plugged, so that the lightning protection device can be quickly replaced.

Preferably, the top end of the plug 104 is fixedly provided with a sliding block groove 104c and a positioning groove 104d matched with the plug assembly 202 for implementing and positioning the plug assembly.

Preferably, the tightening table 104a is retracted to one side, so that the clamping assembly 203 can be tightened to clamp the conductive device.

In summary, by providing the plugging unit 200 at the tip of the blade 101, lightning can be connected to the ground through the conductive means by the conductive head 201 that is plugged fast, preventing damage to the blade caused by lightning, and increasing the operation cost.

Example 2

Referring to fig. 2-4, a second embodiment of the present utility model is further provided with a plugging mechanism. The device comprises a shell unit 100, a shell body and a shell body, wherein the shell body comprises a support frame 102, a connector 103 and a plug connector 104, the support frame 102 is arranged in the blade 101, the connector 103 is arranged at one end of the blade 101, and the plug connector 104 is arranged at the other end of the blade 101;

the plug unit 200 comprises a conductive head 201 arranged on one side of the plug connector 103, a plug assembly 202 arranged on one side of the conductive head 201, and a clamping assembly 203 arranged on the lower part of the plug assembly 202.

Further, the supporting frame 102 includes a bracket 102a uniformly disposed on the sidewall of the blade 101, and a sleeve 102b disposed on the top end of the bracket 102 a.

Further, the plug 104 includes a tightening table 104a disposed at a lower end of a sidewall thereof, a conductive hole 104b disposed in the middle of the tightening table 104a, a slider groove 104c disposed in the middle of the sidewall of the plug 104, and a positioning groove 104d disposed at an end of the plug 104 and penetrating the slider groove 104 c.

Further, the conductive head 201 includes a lightning guiding head 201a disposed at the top thereof, a lightning guiding body 201b disposed at the lower portion of the lightning guiding head 201a, a positioning ring 201c disposed outside the lightning guiding body 201b, a clamping groove 201d disposed below the positioning ring 201c, and a slot 201e disposed at the bottom of the lightning guiding body 201 b.

Further, the socket assembly 202 includes a socket barrel 202a disposed below the conductive head 201, a positioning block 202b disposed below the socket barrel 202a, a slider 202c disposed below the positioning block 202b, a return spring 202d disposed inside the socket barrel 202a, and a resistance spring 202e disposed inside the positioning block 202 b.

Further, the plugging tube 202a includes a through hole 202a-1 formed at the top thereof, a reset rod 202a-2 arranged at the bottom of the plugging tube 202a in an array, a guide block 202a-3 arranged on the sidewall of the reset rod 202a-2, and a first inclined surface 202a-4 arranged at the end of the reset rod 202 a-2.

Further, the positioning block 202b includes a bar groove 202b-1 provided at one side thereof, and a guide groove 202b-2 provided on a sidewall of the bar groove 202 b-1;

the slider 202c includes a second inclined surface 202c-1 provided at one end thereof, and a chute 202c-2 provided through the slider 202 c.

Further, the clamping assembly 203 includes a flexible member 203a disposed below the conductive head 201, and an arc-shaped plate 203b disposed at an end of the flexible member 203 a.

It should be noted that, the two ends of the blade 101 are fixedly connected with the connector 103 and the plug 104 respectively, the interior of the blade 101 is hollow, wherein, the connector 103 is connected with the wind generating set, the plug 104 is connected with the plug unit 200, and the conductive connector 201 can be quickly plugged, so that the lightning protection device can be quickly replaced.

Preferably, the top end of the plug 104 is fixedly provided with a sliding block groove 104c and a positioning groove 104d matched with the plug assembly 202 for implementing and positioning the plug assembly.

Preferably, the tightening table 104a is retracted to one side, so that the clamping assembly 203 can be tightened to clamp the conductive device, specifically, the tightening table 104a presses the flexible member 203a, and the arc plate 203b is retracted inwards to clamp the conductive strip.

Preferably, the slider 202c can be horizontally installed in the slider groove 104c of the plug 104, one end of the second inclined surface 202c-1 faces inwards, and when the conductive head 201 is inserted into the plug 104, the second inclined surface 202c-1 can be blocked in the blocking groove 201d to prevent the conductive head 201 from falling.

Preferably, the top of the plugging tube 202a is provided with a through hole 202a-1, so that the conductive head 201 can pass through, three reset rods 202a-2 are uniformly arranged at the lower part, the periphery of the reset rod 202a-2 is wrapped with a positioning block 202b, the positioning block 202b can move up and down along the reset rod 202a-2 under the limit of the guide block 202a-3, and when the first inclined plane is inserted into the inclined slot 202c-2, the positioning block 202b is blocked and cannot enter, so that the reset rod 202a-2 can be reset through a resistance spring 202e after working.

Preferably, a reset spring 202d is mounted on the top end of the inner part of the plugging tube 202a, and acts with a positioning ring 201c on the conductive head 201 to reset the plugging tube 202 a.

Preferably, the lower end of the conductive head 201 is chamfered, and the second inclined surface 202a-4 is extruded by the chamfer during plugging, so that the sliding block 202c is extruded into the sliding block groove 104c until the position of the sliding block 202c reaches the clamping groove 201d, and the sliding block is clamped into the clamping groove 201d under the action of the spring.

During operation, the conductive head 201 extends into the plugging tube 202a through the through hole 202a-1, the reset spring 202d is positioned between the positioning ring 201c and the upper surface of the plugging tube 202a, the conductive head 201 and the plugging tube 202a are inserted into the positioning groove 104d on the plugging head 104 together through the positioning block 202b outside the reset rod 202a-2, the conductive head 201 presses the sliding block 202c, the sliding block 202c is completely retracted into the sliding block groove 104c until the position of the sliding block 202c reaches the clamping groove 201d, the sliding block is clamped into the clamping groove 201d under the action of the spring, meanwhile, the tightening table 104a presses the flexible piece 203a, the arc-shaped plate 203b is promoted to shrink inwards, the top end of the conductive strip enters the slot 201e at the end of the conductive head 201 and is clamped by the clamping component 203, and the two are prevented from being in a broken contact, so that the conductive effect is affected. When the conductive head 201 is damaged and needs to be replaced, only the plugging tube 202a needs to be pressed down, the first inclined surface 202a-4 on the reset rod 202a-2 is inserted into the inclined groove 202c-2, but the positioning block 202b is blocked and does not move downwards, the sliding block 202c is pushed to be pushed into the sliding block groove 104c, the conductive head is not subjected to clamping effect, and the conductive head pops up under the action of the reset spring 202d, so that the conductive head is detached.

To sum up, this design through setting up an grafting mechanism, can install the blade pointed end fast with the conducting head, need not to fasten at the use instrument, and also can dismantle fast after the conducting head inefficacy, it is very convenient.

Example 3

Referring to fig. 5 and 6, in a third embodiment of the present utility model, unlike the previous two embodiments, there is provided a lightning arrester including a conductive unit 300 including a conductive strip 301 disposed at one side of a conductive head 201, and a boosting assembly 302 disposed at one side of the conductive strip 301.

Further, the booster assembly 302 includes a booster spring 302a disposed inside the connector 103, and a contact 302b disposed on one side of the booster spring 302 a.

It should be noted that, one end of the conductive strip 301 is in contact with the plug unit 200, and the other end is fixedly connected with the boosting component 302, and the conductive strip 301 may be flexible, so as to be convenient for stretching.

Preferably, the contact 302b is pressed against the grounding mechanism under the action of the boosting spring 302a, so as to prevent the conductive effect from being affected by the broken contact.

In summary, the boosting component 302 enables the conductive strip to be always communicated with the plug-in unit 200 and the grounding mechanism, so that the lightning protection effect is always maintained, the blade 101 is not damaged due to disconnection, and the operation and maintenance cost is increased.

It is important to note that the construction and arrangement of the present application as shown in a variety of different exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present utility model. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in order to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the utility model, or those not associated with practicing the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims (10)

1. A plug-in mechanism, characterized in that: the device comprises a shell unit (100), a supporting frame (102) and a connector (103), wherein the supporting frame (102) is arranged inside a blade (101) and comprises the blade (101), the connector (103) is arranged at one end of the blade (101), and the connector (104) is arranged at the other end of the blade (101);

the plug-in unit (200) comprises a conductive head (201) arranged on one side of the plug-in head (104), a plug-in assembly (202) arranged on one side of the conductive head (201), and a clamping assembly (203) arranged on the lower portion of the plug-in assembly (202).

2. The plugging mechanism of claim 1, wherein: the support frame (102) comprises a support frame (102 a) uniformly arranged on the side wall of the blade (101), and a sleeve (102 b) arranged at the top end of the support frame (102 a).

3. The plugging mechanism according to claim 1 or 2, wherein: the plug connector (104) comprises a tightening table (104 a) arranged at the lower end of the side wall of the plug connector, a conductive hole (104 b) arranged in the middle of the tightening table (104 a), a sliding block groove (104 c) arranged in the middle of the side wall of the plug connector (104), and a positioning groove (104 d) arranged at the end part of the plug connector (104) and penetrating through the sliding block groove (104 c).

4. A jack mechanism according to claim 3 wherein: the conductive head (201) comprises a lightning head (201 a) arranged at the top of the conductive head, a lightning body (201 b) arranged at the lower part of the lightning head (201 a), a positioning ring (201 c) arranged outside the lightning body (201 b), a clamping groove (201 d) arranged below the positioning ring (201 c) and a slot (201 e) arranged at the bottom of the lightning body (201 b).

5. The plug-in mechanism of claim 4, wherein: the plug assembly (202) comprises a plug tube (202 a) arranged below the conductive head (201), a positioning block (202 b) arranged below the plug tube (202 a), a sliding block (202 c) arranged below the positioning block (202 b), a reset spring (202 d) arranged inside the plug tube (202 a) and a resistance spring (202 e) arranged inside the positioning block (202 b).

6. The plug-in mechanism of claim 5, wherein: the plug tube (202 a) comprises a through hole (202 a-1) arranged at the top of the plug tube, reset rods (202 a-2) arranged at the bottom of the plug tube (202 a) in an array mode, guide blocks (202 a-3) arranged on the side walls of the reset rods (202 a-2), and first inclined planes (202 a-4) arranged at the end portions of the reset rods (202 a-2).

7. The plugging mechanism according to claim 5 or 6, wherein: the positioning block (202 b) comprises a rod groove (202 b-1) arranged on one side of the positioning block, and a guide groove (202 b-2) arranged on the side wall of the rod groove (202 b-1);

the sliding block (202 c) comprises a second inclined surface (202 c-1) arranged at one end of the sliding block, and a chute (202 c-2) penetrating through the sliding block (202 c).

8. The plugging mechanism of claim 7, wherein: the clamping assembly (203) comprises a flexible piece (203 a) arranged below the conductive head (201), and an arc-shaped plate (203 b) arranged at the end part of the flexible piece (203 a).

9. A lightning arrester, characterized in that: comprising a plug-in mechanism according to any one of claims 1 to 8; and a conductive unit (300) comprising a conductive strip (301) arranged on one side of the conductive head (201), and a boosting component (302) arranged on one side of the conductive strip (301).

10. A lightning protection device according to claim 9, wherein: the boosting assembly (302) comprises a boosting spring (302 a) arranged in the connector (103) and a contact (302 b) arranged on one side of the boosting spring (302 a).