Inner core of lightning protection device

Abstract

The utility model relates to an inner core of a lightning protection device, which comprises a shell in which an installation cavity is arranged, and is characterized in that the installation cavity is provided with a first rotating shaft, a second rotating shaft and an electrode leading-out point, the first rotating shaft is provided with a rotatable indicator, the second rotating shaft is provided with a rotatable separating rod, and the separating rod is provided with a plurality of electrode leading-out points. The end, opposite to the first rotating shaft, of the indicator is provided with a pre-tightening spring, the pre-tightening spring exerts force rotating towards the separating rod on the indicator, the installation cavity is provided with a tin soldering point, the tin soldering point is electrically connected with an electrode leading-out point, the top of the separating rod is in tin soldering connection with the tin soldering point, and the indicator abuts against the separating rod. One side, opposite to the indicator, of the disengagement rod is provided with a swing cavity for the disengagement rod to rotate around a second rotating shaft, a connecting wire is connected between the disengagement rod and one electrode leading-out point, the disengagement rod has an obvious disconnection distance, so that the tin soldering point and the disengagement rod are completely disconnected, and the arc discharge phenomenon is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lightning protection device field, concretely relates to a lightning protection device's inner core. BACKGROUND

[0002] The existing lightning protection module inner core usually includes a shell, an indicator arranged in the shell and capable of swinging, a swing arranged disengaging rod, and an electrode leading point, the disengaging rod is welded with a soldering tin point on the inner wall of the shell, and the disengaging rod is connected with the electrode leading point by a connecting wire, in the actual use process of the product, when the soldering tin point is fused and tripped, the disengaging rod and the electrode leading point will produce a pull arc phenomenon. SUMMARY

[0003] The utility model relates to the technical problem that the utility model wants to solve is in view of the insufficient of prior art,

[0004] Provide a lightning protection device's inner core, the disengaging rod has obvious breaking distance, makes the soldering tin point and the disengaging rod completely break, avoids the pull arc phenomenon.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a lightning protection device's inner core, including the shell, the shell is equipped with the installation cavity, and it is characterized by: the installation cavity is equipped with the first rotation axis, the second rotation axis and the electrode leading point, the first rotation axis is equipped with the rotatable indicator, the second rotation axis is equipped with the rotatable disengaging rod, the indicator is equipped with the pre-tight spring opposite the first rotation axis one end, the pre-tight spring exerts the force towards the disengaging rod rotation to the indicator, the installation cavity is equipped with the soldering tin point, and the soldering tin point is electrically connected with an electrode leading point, the top of the disengaging rod is connected with the soldering tin point, the indicator and the disengaging rod abut, the disengaging rod is equipped with the swing cavity for the disengaging rod rotation around the second rotation axis opposite the indicator side, and the connecting wire is connected between the disengaging rod and an electrode leading point.

[0006] The utility model further provides: the indicator includes the rod part, the connecting part of setting in the rod part one end and with the first rotation axis rotation connection and the indication part of setting in the rod part the other end, the pre-tight spring one end is connected with the indication part, and the installation cavity is equipped with the spring hang point, and the pre-tight spring other end is connected with the spring hang point.

[0007] The utility model has the characteristics that: the pre-tight spring exerts the force to the indicator, the indicator and the disengaging rod abut, that is, the disengaging rod is always subjected to the force transmitted by the indicator under the condition that the soldering tin point is not disconnected, when the current overload, the soldering tin point is fused, the indicator pushes the disengaging rod and rotates away from the soldering tin point quickly, and the swing cavity ensures that the disengaging rod has enough space to move away from the soldering tin point, avoiding the pull arc.

[0008] The utility model further sets up: the distance between the indication part and the spring hanging point is maximum under the condition that the soldering point is not disconnected.

[0009] The utility model has the characteristics that: ensure that the spring produces the maximum driving force to the indicator in the limited space.

[0010] The utility model further sets up: the rod part is equipped with the abutment, and the abutment is in abutment with the disengagement rod under the condition that the soldering point is not disconnected.

[0011] The utility model has the characteristics that: the setting of the abutment can make the indication part connected with the pre-tightening spring further away from the spring hanging point, that is, further increase the deformation degree of the pre-tightening spring, and then increase the force generated to the indicator, make the indicator push the disengagement rod away from the soldering point faster, avoid the arc phenomenon.

[0012] The utility model has the advantages that: the disengagement rod has the obvious disconnecting distance, makes the soldering point and the disengagement rod completely disconnected, avoids the arc phenomenon.

[0013] The utility model will be further explained in detail in connection with the drawings and examples. DRAWINGS

[0014] Figure 1 It is the three-dimensional schematic view of the utility model embodiment one.

[0015] Figure 2 It is the three-dimensional schematic view of the indicator of the utility model embodiment one.

[0016] Figure 3 It is the three-dimensional schematic view of the utility model embodiment two. CONCRETE IMPLEMENTING METHOD

[0017] Example one: as Figure 1 , Figure 2The inner core of a lightning protection device shown includes a housing 1 with an observation window 11 for viewing an indicator 5. The housing 1 contains a mounting cavity 101, which includes a first rotating shaft 2, a second rotating shaft 3, and opposing electrode leads 4. The second rotating shaft 3 is positioned diagonally opposite the first rotating shaft 2. The first rotating shaft 2 has a rotatable indicator 5, and the second rotating shaft 3 has a rotatable release rod 6. A preload spring 7 is located at one end of the indicator 5 opposite the first rotating shaft 2, applying a force to the indicator 5 to rotate towards the release rod 6. The mounting cavity 101 has a solder point 8 electrically connected to an electrode lead 4. The top of the release rod 6 is soldered to the solder point 8, and the indicator 5 abuts against the release rod 6, detaching from it. The rod 6 is provided with a swing cavity 102 on the side opposite to the indicator 5, which allows the release rod 6 to rotate around the second rotating axis 3. A connecting wire 9 is provided between the release rod 6 and the other electrode lead-out point 4. The indicator 5 includes a rod part 501, a connecting part 502 provided at one end of the rod part 501 and rotatably connected to the first rotating axis 2, and an indicator part 503 provided at the other end of the rod part 501. One end of the pre-tension spring 7 is connected to the indicator part 503. A spring abutment point 10 is provided in the mounting cavity 101. The other end of the pre-tension spring 7 is connected to the spring abutment point 10. The distance between the indicator part 503 and the spring abutment point 10 is the largest when the solder point 8 is not disconnected. The rod part 501 is provided with an abutment part 504. The abutment part 504 abuts against the release rod 6 when the solder of the solder point 8 is not disconnected.

[0018] Example 2: Figure 3 As shown, the second rotating shaft 3 can also be set on one side of the first rotating shaft 2. The release rod 6 is still rotatably connected to the second rotating shaft. The release rod 6 is also provided with a swing cavity 102 for swinging on the side opposite to the indicator 5. The indicator 5 is changed accordingly. The position of the abutting part 504 provided on the rod part 501 moves toward the first rotating shaft 2 so that it abuts against the release rod 6.

[0019] In both of the above embodiments, the contact part 504 and the contact point of the release rod 6 are always close to the side of the release rod 6 that is close to the second rotation axis 3, so that when the indicator 5 pushes the release rod 6 to rotate, the release rod responds faster. In addition, when the angle at which the indicator can rotate around the first rotation axis is fixed, the shorter the contact part, the greater the angle at which the indicator drives the release rod to swing, that is, the farther the release rod is from the solder point.

Claims

1. The inner core of a lightning protection device, comprising a housing, wherein the housing has an installation cavity, characterized in that: The mounting cavity is provided with a first rotating shaft, a second rotating shaft, and an electrode lead-out point. The first rotating shaft is provided with a rotatable indicator, and the second rotating shaft is provided with a rotatable release rod. The indicator is provided with a pre-tension spring at one end opposite to the first rotating shaft. The pre-tension spring applies a force to the indicator to rotate toward the release rod. The mounting cavity is provided with a solder point, which is electrically connected to an electrode lead-out point. The top of the release rod is soldered to the solder point. The indicator abuts against the release rod. The release rod is provided with a swing cavity on the side opposite to the indicator, allowing the release rod to rotate around the second rotating shaft. A connecting wire is provided between the release rod and the electrode lead-out point.

2. The inner core of a lightning protection device according to claim 1, characterized in that: The indicator includes a rod, a connecting part disposed at one end of the rod and rotatably connected to a first rotating shaft, and an indicator part disposed at the other end of the rod. One end of the pre-tension spring is connected to the indicator part, and a spring abutment point is provided in the mounting cavity. The other end of the pre-tension spring is connected to the spring abutment point.

3. The inner core of a lightning protection device according to claim 2, characterized in that: The distance between the indicator and the spring contact point is at its maximum when the solder joint is not disconnected.

4. The inner core of a lightning protection device according to claim 2, characterized in that: The rod is provided with an abutting part, which abuts against the release rod when the solder joint is not broken.

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