KR101262829B1 - Surge protective device for light emitting diode converter and led device including the same - Google Patents

Abstract

PURPOSE: A surge protective device for a light emitting diode converter and an LED device including the same are provided to protect an LED converter from surge voltage and surge current by double-blocking the supply of the surge voltage and the surge current to the LED converter. CONSTITUTION: A housing part includes an upper housing(200) and a lower housing(100). The housing part is detachably connected to a part of the power line(C) to accommodate a part of a power line. The lower housing includes a lower accommodating part, a first front extension part(120), and a first back extension part(130). A surge protection circuit part(300) prevents surge voltage and surge current from flowing into an LED converter. A connection terminal(400) connects the power line to the surge protection circuit part.

Description

Surge protection device and LED lighting device including the same {SURGE PROTECTIVE DEVICE FOR LIGHT EMITTING DIODE CONVERTER AND LED DEVICE INCLUDING THE SAME}

The present invention relates to a surge protection device and an LED lighting device including the same, and more particularly, to a surge protection device and an LED lighting device that can be easily mounted on a wire and have improved connectivity with the wire.

Recently, the LED lighting device is widely used for indoor lighting or to improve the interior aesthetics of the room, and the LED lighting device generally receives power supplied from a power supply via an LED converter.

Here, the LED converter is a device for converting the AC power supplied from the power supply to the DC power used to drive the LED lighting device.

However, when the surge voltage and the surge current are introduced into the AC power flowing into the LED converter according to the related art, for example, due to a lightning strike, the LED converter and / or the LED lighting may be affected by not only the LED converter but the entire LED lighting device. This can cause temporary failure or permanent damage to the device.

Although a surge protector may be provided by itself in the LED converter according to the prior art, the LED converter and / or the LED lighting device may be exposed to the surge voltage and the surge current as it is when the surge protector of the LED converter malfunctions or fails. There has been only a problem, and the LED converter according to the prior art has a problem that the replacement and repair of a surge protector that is malfunctioning or broken is very inconvenient.

It is therefore an object of the present invention to provide a surge protection device and LED lighting device that solve the problems of the prior art.

In particular, it is an object of the present invention to provide a surge protection device and an LED lighting device which reliably prevents the surge voltage and the surge current from flowing into the LED converter.

It is also an object of the present invention to provide a surge protection device and an LED lighting device that are easy to mount.

It is also an object of the present invention to provide a surge protection device and an LED lighting device that improve the connectivity and contact with the wires.

It is also an object of the present invention to provide a surge protection device and an LED lighting device that are easy to replace and repair.

According to an embodiment of the present invention, the present invention includes a lower housing accommodating a portion of the power line therein so as to penetrate a power line connecting the power supply source and the LED converter, and including a plurality of first locking portions on one side thereof; A surge protection circuit unit accommodated in the lower housing and electrically connected to the power line to prevent surge voltage and surge current from flowing into the LED converter; A plurality of second locking parts provided on one side to be detachably fastened to the first locking part, and a connection part provided on the other side to be rotatably connected to the other side of the lower housing, and An upper housing covering the upper portion; A connection terminal portion disposed on a bottom path of the lower housing on a passage path of the power line and connecting the conductor portion of the power line to the surge protection circuit portion, wherein the connection terminal portion is disposed at an upper portion and covers a covering portion of the power line. It is possible to provide a surge protection device characterized in that it comprises a cutting blade portion for cutting in contact with the conductor portion of the power line.

In addition, preferably, the connection terminal portion supports the blade portion for connection and is integrally formed with the connection blade portion, and protrudes from one side of the body portion to be connected to a terminal provided in the surge protection circuit portion. And a protruding portion for protruding in a lower direction of the body portion and being inserted into and fixed to an insertion groove formed on a passage of the power line at a bottom surface of the lower housing.

Preferably, the connection blade portion is provided in a V shape.

Also, preferably, the lower housing may include a first accommodation part including the surge protection circuit part and the power line, and a front wire accommodation part extending in a forward direction from the bottom accommodation part to receive the power line. A first rear extension including an extension portion and a rear wire accommodation portion extending rearwardly from the lower accommodation portion to receive the power line, wherein the upper housing includes: an upper accommodation portion covering the lower accommodation portion; And a second front extension extending in a forward direction from the accommodation part to cover the first front extension part, and a second rear extension extending in the rear direction from the upper accommodation part to cover the first rear extension part. .

Further, preferably, the upper housing protrudes downward from the inner upper surface of the upper housing to press the power line so that the conductor portion of the power line disposed on the connecting blade portion contacts the connecting blade portion. It is characterized by comprising a first pressing projection.

Also, preferably, the first front extension part is provided to face each of the front and rear ends of the first front extension part at an upper edge of the first front extension part to prevent the power line from being separated from the front wire receiving part. The first rear extension part is provided to face both front and rear ends of the first rear extension part at the upper edge of the first rear extension part so that the power line is separated from the rear wire accommodation part. It is characterized by having a plurality of departure prevention jaw to prevent.

Also, preferably, the upper housing protrudes downward from an inner upper surface of the second front extension part and the second rear extension part to lower the power line seated on the front wire reception part and the rear wire reception part. It further comprises a second pressing projection for pressing in the direction.

Further, preferably, the second pressing protrusion is lower than the lower edge of the second front extension and the lower edge of the second rear extension from the inner upper surface of the second front extension and the second rear extension. The gap between the protrusions protruding in the direction and opposing each other is greater than the width of the second pressing protrusion and smaller than the diameter of the power line.

In addition, preferably, at least one of the lower surface of the lower edge of the upper housing and the upper surface of the upper edge of the lower housing is characterized in that the waterproof packing is provided.

In addition, preferably, the size of the upper housing is larger than the size of the lower housing so that the inner surface of the lower rim of the upper housing covers the outer surface of the upper rim of the lower housing by a predetermined depth. do.

In addition, preferably, at least one of the inner surface of the lower edge of the upper housing and the outer surface of the upper edge of the lower housing is characterized in that the waterproof packing portion is provided.

In addition, preferably, the first locking portion is composed of one of the hook and the locking jaw, the second locking portion is characterized in that it is composed of the other of the hook and the locking jaw.

In addition, the locking jaw is characterized in that it has a locking surface engaging with the locking ring and an inclined surface extending from the locking surface to facilitate insertion into the locking ring.

In addition, according to another embodiment of the present invention, the present invention, the light source unit having an LED element; An LED converter converting electric power supplied from a power supply into driving power to supply the driving power to the light source unit, and a surge protector configured to block a surge voltage and a surge current primarily; It can provide an LED lighting device comprising a; surge protection device for secondaryly preventing the surge current and the surge voltage to flow into the LED converter.

Also, preferably, the surge protection device may include: a lower housing accommodating a portion of the power line therein so as to penetrate a power line connecting the power supply source and the LED converter, the lower housing including a plurality of first locking portions on one side thereof; A surge protection circuit unit accommodated in the lower housing and electrically connected to the power line to prevent surge voltage and surge current from flowing into the LED converter; A plurality of second locking parts provided on one side to be detachably fastened to the first locking part, and a connection part provided on the other side to be rotatably connected to the other side of the lower housing, and An upper housing covering the upper portion; A connection terminal portion disposed on a bottom path of the lower housing on a passage path of the power line and connecting the conductor portion of the power line to the surge protection circuit portion, wherein the connection terminal portion is disposed at an upper portion and covers a covering portion of the power line. It is characterized in that it comprises a cutting blade portion for cutting in contact with the conductor portion of the power line.

Therefore, according to the above-mentioned problem solving means, the present invention can reliably prevent the surge voltage and the surge current from flowing into the LED converter. For example, even if the present invention includes a surge protector in the LED converter, the surge protector may be further installed to protect the surge voltage and the surge current from flowing into the LED converter, and the surge protector of the LED converter. Even in the event of failure due to aging, the LED converter can be protected from surge voltage and surge current only with the surge protection device according to the present invention.

In addition, the present invention can be easily mounted on the power line flowing into the LED converter. For this reason, the present invention can facilitate replacement and repair of the surge protection device in the event of a failure of the surge protection device.

In addition, the present invention can improve the connectivity and contact between the surge protection device and the power line.

1 is a schematic perspective view of a surge protection device according to an embodiment of the present invention.
2 is a schematic exploded plan view of a surge protection device according to an embodiment of the present invention.
Figure 3 is a schematic exploded perspective view of the lower housing included in the surge protection device according to an embodiment of the present invention.
4 is a schematic front view of a connection terminal unit included in a surge protection device according to an embodiment of the present invention.
5 is a schematic cross-sectional view illustrating a state in which a power line is in contact with a connection terminal included in a surge protection device according to an exemplary embodiment of the present invention.
6 is a schematic exploded and partially enlarged perspective view of a lower housing according to a further embodiment of the present invention.
FIG. 7 is a schematic front view illustrating a state in which a power line is in contact with the connection terminal of FIG. 6.
8 is a schematic rear perspective view of an upper housing included in a surge protection device according to an embodiment of the present invention.
9 is a schematic side view of an upper housing included in a surge protection device according to an embodiment of the present invention.
10 is a schematic diagram of an LED lighting device including a surge protection device () according to an embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. In the accompanying drawings, it should be noted that the same reference numerals are used in the drawings to designate the same configuration in other drawings as much as possible. In addition, in describing the present invention, when it is determined that a detailed description of a related known function or known configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. And certain features shown in the drawings are enlarged or reduced or simplified for ease of description, the drawings and their components are not necessarily drawn to scale. However, those skilled in the art will readily understand these details.

For reference, "forward" or "forward direction" described below means a portion or direction toward the LED converter relative to the surge protection device, and "rear" or "rear direction" refers to a power supply source based on the surge protection device. It means a part or direction facing (for example, home outlet).

1 is a schematic perspective view of a surge protection device 1000 according to an embodiment of the present invention, Figure 2 is a schematic exploded plan view of a surge protection device 1000 according to an embodiment of the present invention.

As shown in Figure 1 and 2, the surge protection device 1000 according to an embodiment of the present invention, the upper housing 200 and the lower housing 100 is composed of a power line connecting the power supply and the LED converter A housing portion detachably coupled to a portion of the power line C to receive a portion of (C), and a surge protection circuit portion accommodated inside the housing portion and preventing surge voltage and surge current from flowing into the LED converter. 300 and a connection terminal 400 for connecting the power line C to the surge protection circuit 300.

The surge protection circuit unit 300 includes a surge protection circuit and a terminal 301 for allowing the connection terminal unit 400 to connect to the surge protection circuit, and the surge protection circuit unit 300 includes a printed circuit in which a surge protection circuit is formed. It may be composed of a chip (see Fig. 2 and 3) including a substrate or the printed circuit board.

The surge protection circuit unit 300 is connected to the power line C to block the surge voltage and / or the surge current when a surge voltage and / or a surge current flows through the power line C.

The housing part includes a lower housing 100 and an upper housing 200, and the housing part is detachably fixed and coupled to a portion of the power line C. To this end, the side of the lower housing 100 and the upper housing Sides of the 200 are pivotally connected to each other. The housing portion is preferably composed of a non-conductive material, for example plastic.

The lower housing 100 includes a lower accommodating part 110 in which the surge protection circuit part 300 is accommodated, and a first front part extending from the lower accommodating part 110 in a forward direction to accommodate a portion of the power line C. And an extension part 120 and a first rear extension part 130 extending rearward from the lower accommodating part 110 to receive a portion of the power line C.

The upper housing 200 extends forward from the upper accommodating part 210 and the upper accommodating part 210 to cover the upper part of the lower accommodating part 110 and the surge protection circuit part 300 of the lower housing 100. A second front extension part 220 covering the first front extension part 120 and a second rear extension part extending backward from the upper accommodating part 210 to cover the first rear extension part 130. The unit 230 is included.

The other side of the lower housing 100 and the other side of the upper housing 200 include a connection part such that the lower housing 100 and the upper housing 200 are rotatable relative to each other with respect to each other.

The connection part may be configured as a hinge connection part or as a flexible connection part which is integrally connected to each of the lower housing 100 and the upper housing 200 as shown in FIG. 2. When the connection part is composed of a flexible connection part, the housing part may be integrally formed as a whole.

Hereinafter, the lower housing 100 and the upper housing 200 will be described in more detail with reference to the drawings.

3 is a schematic exploded perspective view of a lower housing 100 included in a surge protection device 1000 according to an embodiment of the present invention, and FIG. 4 is a surge protection device 1000 according to an embodiment of the present invention. FIG. 5 is a schematic front view of a connection terminal 400 included therein, and FIG. 5 is a schematic view showing a state in which a power line C is in contact with a connection terminal 400 included in a surge protection device 1000 according to an exemplary embodiment. It is a cross-sectional view.

2 and 3, the lower housing 100 receives a portion of the power line C therein so that the power line C connecting the power supply source and the LED converter passes therethrough.

The lower housing 100 may include a lower accommodating part 110 accommodating a portion of the surge protection circuit part 300 and the power line C, and extends in a forward direction from the lower accommodating part 110, wherein A first front extension part 120 including a front wire reception part 121 for receiving C) and a rear wire reception part extending in a rearward direction from the lower accommodation part 110 to accommodate the power line C; A first rear extension 130 comprising 131.

The first front extension part 120 extends in the forward direction along the longitudinal direction (or front and rear longitudinal directions of the housing part) of the power line C accommodated in the housing part from the front side of the lower accommodating part 110 that is the main body. Referring to the drawings, since a portion of the two power lines (C) is accommodated in the surge protection device 1000, the two first front extension portion 120 extends forward from the lower receiving portion (110). However, this is merely an example and the present invention is not limited thereto. Accordingly, one or three first front extensions 120 may be provided.

In addition, the first front extension part 120 includes a front wire receiving part 121 in which a power line C is accommodated and a power line C seated on the front wire receiving part 121. The departure prevention jaw 140 is formed to face each other to prevent the departure from 121).

The departure prevention jaw 140 is provided to face each other at the front and rear ends of the first front extension part 120 at the upper edge of the first front extension part 120.

In this way, by providing the departure stop 140, the power line (C) can be maintained in the front wire receiving portion 121 in the process of mounting the surge protection device 1000 according to the present invention to the power line (C), the power line ( The process of mounting the surge protection device 1000 in C) can be made easy and convenient.

The first rear extension part 130 extends in the rear direction along the longitudinal direction (or front and rear longitudinal directions of the housing part) of the power line C accommodated in the housing part from the rear side of the lower accommodating part 110 that is the main body. Referring to the drawings, since a portion of the two power lines (C) is accommodated in the surge protection device 1000, the two first rear extensions 130 extend in the rear direction from the lower receiving portion (110). However, this is exemplary and the present invention is not limited thereto, and thus, the first rear extension 130 may be provided with one or three.

The first rear extension part 130 includes a rear wire accommodation part 131 in which a power line C is accommodated, and a power wire C seated on the rear wire reception part 131. 131 includes a departure prevention jaw 140 formed to face each other to prevent the departure.

The detachment prevention jaw 140 is provided to face each other at the front and rear ends of the first rear extension 130 at the edge of the upper end of the first rear extension 130.

By providing the separation prevention barrier 140 in this way, in the process of mounting the surge protection device 1000 according to the present invention on the power line (C), it is possible to maintain the power line (C) in the rear wire receiving unit 131, the power line ( The process of mounting the surge protection device 1000 in C) can be made easy and convenient.

The lower housing 100 includes a plurality of first locking parts disposed on one side and a connection part disposed on the other side to connect the upper housing 200 and the lower housing 100.

As shown in FIG. 3, the first locking part is formed on the side of the first front extension part 120 and the side of the first rear extension part 130.

The first locking part may be preferably configured as a locking step 150. At this time, the locking step 150 is a locking surface to be engaged with the locking ring 260 provided in the upper housing 200 to be described later and an inclined surface extending from the locking surface to facilitate insertion into the locking ring 260. Equipped.

The lower housing 100 accommodates the surge protection circuit part 300 therein (ie, in the lower accommodating part 110).

The lower housing 100 is an insertion groove 101 into which the connection terminal 400 and the connection terminal 400 are inserted and fixed, which are arranged on the passage of the power line C at the bottom of the lower accommodating part 110. ).

The insertion groove 101 is formed on the passage path of the power line (C). In detail, the insertion groove 101 is disposed between the first front extension part 120 and the first rear extension part 130 which is in line with the first front extension part 120 (that is, the lower receiving part ( At the bottom of 110) at an adjacent portion of the first front extension 120 or at an adjacent portion of the first rear extension 130.

The connection terminal part 400 is made of a conductive material, and the conductor part I of the power line C is brought into contact with the terminal 301 of the surge protection circuit part 300 to connect the power line C and the surge protection circuit part 300 to each other. Connect.

The connection terminal part 400 includes a body part 410, a connection blade part 440 integrally formed on an upper part of the body part 410, and a surge protection circuit part from one side of the body part 410. A protruding portion 430 protruding from the terminal 301 of the 300 to be connected to the terminal 301 provided in the surge protection circuit 300, and protruding downward from the body 410; It includes an insertion protrusion 420 is extended and inserted into and fixed to the insertion groove 101 formed on the passage of the power line (C) in the bottom surface of the lower housing (100).

The connection blade portion 440 is disposed on the upper portion of the body portion 410 and is configured to contact the conductor portion I of the power line C by cutting the covering portion O of the power line C. . The connection blade portion 440 may be preferably provided in a V-shape, thereby forming a V-shaped insertion groove 101.

By having the connection blade portion 440, the power line (C) is seated on the upper portion of the connection terminal 400, and when the power line (C) is pressed downward, the power line (C) by the connection blade portion 440 ), The coating portion (O) may be cut and finally, the conductor portion (I) of the power line (C) may be brought into contact with the connection blade portion (440). Therefore, the present invention can facilitate the connection between the power line (C) and the surge protection circuit unit 300 by simply pressing the power line (C) in the downward direction without the covering peeling process of the power line (C), power line (C) It is possible to facilitate the mounting of the surge protection device 1000 to.

As shown in the figure, when the surge protection device 1000 is mounted on two power lines C at the same time, two insertion grooves 101 are formed on the bottom surface of the lower accommodating part 110. At this time, one of the insertion groove 101 of the two insertion grooves 101 is formed in the adjacent portion of the first front extension portion 120 on the passage path of one power line (C), the two insertion grooves ( The other insertion groove 101 of the 101 is formed in the adjacent portion of the first rear extension 130 on the passage path of the other power line (C). This prevents spatial interference with each power line C when the two first pressure protrusions 240 provided in the upper housing 200 pressurize the two power lines C, as described below. Excessive pressing force and pressure depth are provided to one of the two connection terminals 400 inserted and fixed in the insertion groove 101 and one of the two power lines C seated on the two connection terminals 400. This is to prevent it.

6 is a schematic exploded perspective view and a partially enlarged perspective view of a lower housing 100 according to a further embodiment of the present invention, Figure 7 is a schematic diagram showing a state in which the power line (C) is in contact with the connection terminal 400 of FIG. It is a front view that is.

The lower housing 100 according to a further embodiment of the present invention has a lower portion shown in FIGS. 3 to 5 except that the support protrusion 160 is provided in the lower housing 100 shown in FIGS. 3 to 5. Since the housing 100 has the same configuration and structure, the description thereof will be omitted as much as possible to avoid overlapping description.

As shown in FIG. 6 and FIG. 7, the lower housing 100 is formed from the bottom surface of the lower housing 100 on both sides in the front-rear direction of the insertion groove 101 on the passage of the power line C. As shown in FIG. It includes two support protrusions 160 protruding upwards.

In addition, the upper end surface of the support protrusion 160 is formed of a curved surface to reliably support the lower portion of the covering portion O of the power line C.

The support protrusion 160 is connected to the conductor portion I of the power line C when the connection blade portion 440 is pressed when the power line C seated on the connection blade portion 440 is pressed downward. It is formed to a height in contact with.

In this case, preferably, the width of the first pressing protrusion 240 to be described later may be equal to or greater than the sum of the thicknesses of the two support protrusions 160 and the thickness of the connection blade 440.

By providing the support protrusion 160 in this way, the power line C seated on the connecting blade portion 440 can be pressed downward (by the first pressing protrusion 240 of the upper housing 200 to be described later). When the pressurization depth of the lower portion of the power line (C) can be limited, because of this, the power line (C) is pressed to an excessive depth in the downward direction so that the connection blade portion 440 is not only the covering portion (O) of the power line (C) In addition, it is possible to prevent cutting to the conductor portion (I). As a result, it is possible to prevent a poor contact between the power line C and the surge protection device 1000 due to the cutting of the conductor portion I of the power line C due to the excessive pressurization depth. In addition, the support protrusion 160 can firmly support both side surfaces of the connection terminal 400 in the front-rear direction so that the connection terminal 400 is damaged or the insertion groove 101 due to the pressing force applied to the power line C. ) Can be prevented from deviating.

8 is a schematic rear perspective view of the upper housing 200 included in the surge protection device 1000 according to an embodiment of the present invention, and FIG. 9 is a surge protection device 1000 according to an embodiment of the present invention. It is a schematic side view of the upper housing 200 included.

8 and 9, the upper housing 200 is formed in a shape corresponding to the lower housing 100 to cover the lower housing 100 to seal the inside of the lower housing 100. Element.

The upper housing 200 is provided on one side and a plurality of second locking parts detachably fastened to the first locking part, and provided on the other side to be rotatably connected to the other side of the lower housing 100. It includes a connecting portion.

The second locking portion is configured to be detachably fastened to the first locking portion. Preferably, the second locking portion may be composed of a hook 260 is integrally formed in the upper housing 200. The locking ring 260 is configured to engage the locking step 150 of the lower housing 100 described above.

As a modified embodiment, the first locking portion of the lower housing 100 may be configured as a locking ring 260, and the second locking portion of the lower housing 100 may be configured as a locking jaw 150.

In addition, the upper housing 200 includes an upper accommodating part 210 covering the lower accommodating part 110 and an agent extending in the forward direction from the upper accommodating part 210 to cover the first front extension part 120. 2 includes a front extension 220 and a second rear extension 230 extending rearward from the upper accommodating portion 210 to cover the first rear extension 130.

In other words, the upper receptacle 210, the second front extension 220, and the second rear extension 230 are the lower receptacle 110, the first front extension 120, and the As a part corresponding to the first rear extension 130, the second front extension 220 and the second rear extension 230 when the upper housing 200 and the lower housing 100 are coupled to each other. Is configured to cover the lower receiving portion 110, the first front extension portion 120 and the first rear extension portion 130.

As such, the upper housing 200 and the lower housing 100 include the front extension part and the rear extension part, and the front wire receiving part 121 and the rear electric wire receiving part 131, thereby providing a surge protection device to the power line C. When the 1000 is mounted, the path of the power line C may be defined. As a result, the forward and backward movement of the power line C in the surge protection device 1000 may be restricted, and thus, when the upper housing 200 and the lower housing 100 are coupled to each other, the power line C is correctly connected to the terminal 400. After being seated in), the conductor portion (I) of the power line (C) can be accurately connected to the connecting blade portion (440), and the ease of mounting the surge protection device (1000) to the power line (C) Can be improved.

In addition, according to the present invention, the upper housing 200 and the lower housing 100 are provided with the front extension part and the rear extension part, and the front wire receiving part 121 and the rear electric wire receiving part 131, so that the upper housing 200 is When coupled to the lower housing 100, the first pressing protrusion 240, which will be described later, may limit the pressing depth at which the power line C is pressed. As a result, when the power line C seated on the connecting blade portion 440 is pressed downward (by the first pressing protrusion 240 of the upper housing 200 to be described later), the lower pressure of the power line C is pressed. The depth can be limited, which causes the power line C to be pressurized to an excessive depth in the downward direction so that the connection blade portion 440 cuts not only the covering portion O of the power line C but also the conductor portion I. Can be prevented. As a result, it is possible to prevent a poor contact between the power line C and the surge protection device 1000 due to the cutting of the conductor portion I of the power line C due to the excessive pressurization depth. In addition, the support protrusion 160 can firmly support both side surfaces of the connection terminal 400 in the front-rear direction so that the connection terminal 400 is damaged or the insertion groove 101 due to the pressing force applied to the power line C. ) Can be prevented from deviating.

In addition, the upper housing 200 may include a first pressurizing protrusion 240 and a second front extension part 220 provided in the left and right width directions of the upper housing 200 within the upper accommodating part 210. And a second pressing protrusion 250 provided in the front and rear longitudinal directions of the upper housing 200 in the second rear extension 230.

The first pressing protrusion 240 is configured to protrude downward from an inner upper surface of the upper housing 200, and the first pressing protrusion 240 is the upper housing 200 and the lower housing 100. Is configured to press the power line (C) so that the conductor portion (I) of the power line (C) disposed above the connecting blade portion 440 in contact with the connecting blade portion (440) when coupling do.

To this end, the first pressing protrusion 240 is configured to protrude in a lower direction than the lower edge surface of the upper receiving portion 210.

Also, preferably, the lower end portion (ie, the pressing surface) of the first pressing protrusion 240 may have a curved shape that is the same as or similar to the shape of the outer circumferential surface of the power line C. Thus, when the first pressing protrusion 240 presses the power line C, the power line C may be prevented from being properly pressed out of the pressing direction of the first pressing protrusion 240.

In addition, the first pressing protrusion 240 is disposed at a position corresponding to the insertion groove 101 and the connection terminal 400 inserted and fixed to the insertion groove 101 in the upper receiving portion 210.

As shown in the figure, when there are two power lines C passing through the surge protection device 1000, two first pressurizing protrusions 240 are provided in the upper accommodating portion 210. In this case, one of the first pressing protrusions 240 of the two first pressing protrusions 240 is provided in the adjacent portion of the second front extension part 220 in the upper receiving portion 210, The other first pressurizing protrusion 240 of the other pressurizing protrusion 240 is provided at an adjacent portion of the second rear extension 230 in the upper accommodating portion 210.

Thus, by providing the 1st press protrusion part 240, the conductor part I of the electric power line C can be connected to the connection terminal part 400 (or the connection blade part 440 of the said connection terminal part 400) more reliably. It is possible to make contact, thereby improving the connection and contact of the surge protection device 1000 to the power line (C).

The second pressing protrusion 250 is configured to protrude downward from an inner upper surface of the second front extension 220 and the second rear extension 230. In addition, the second pressing protrusion 250 may include the front wire receiving part 121 of the first front extension part 120 provided in the lower housing 100 and the first rear extension part provided in the lower housing 100. The power line C seated on the rear wire receiving portion 131 of the 130 is configured to press down.

To this end, the second pressing protrusion 250 has a lower edge surface of the second front extension 220 from the inner upper surface of the second front extension 220 and the second rear extension 230 and It may be configured to protrude in a lower direction than the lower edge surface of the second rear extension 230.

Preferably, the lower end (that is, the pressing surface) of the second pressing protrusion may have a curved shape that is the same as or similar to the shape of the outer circumferential surface of the power line (C). Thus, when the second pressing protrusion 250 presses the power line C, the power line C may be prevented from being properly pressed out of the pressing direction of the second pressing protrusion 250.

As such, the second pressing protrusion 250 may be coupled to the upper housing 200 and the lower housing 100 in the state where the power line C passes to mount the surge protection device 1000 on the power line C. FIG. At this time, the second pressing protrusion 250 may press and fix both front and rear ends of the portion of the power line C passing through the surge protection device 1000. As a result, after the surge protection device 1000 is installed, the surge protection device ( 1000 can be firmly fixed to the power line (C).

Preferably, the separation bumps 140 facing each other may be configured such that a gap between the separation bumps 140 facing each other is greater than a width of the second pressure protrusion and smaller than a diameter of the power line C.

2 and 5, preferably, at least one of the lower surface of the lower edge of the upper housing 200 and the upper surface of the upper edge of the lower housing 100 is provided with a waterproof packing part 500. Can be. For this reason, the waterproof performance of the surge protection device 1000 can be improved.

As a variant embodiment, although not shown in the drawings, the upper housing 200 and the lower housing 100 are configured to have a size larger than that of the lower housing 100. Specifically, the upper housing 200 and the lower housing 100 may cover the inner surface of the lower edge of the upper housing 200 while surrounding the outer surface of the upper edge of the lower housing 100 by a predetermined depth. It is configured to be.

In this case, preferably, at least one of the inner surface of the lower edge of the upper housing 200 and the outer surface of the upper edge of the lower housing 100 may be provided with a waterproof packing part 500.

For this reason, the internal waterproof performance of the surge protection device 1000 can be improved.

10 is a schematic diagram of an LED lighting device 2000 including a surge protection device 1000 according to an embodiment of the present invention.

As shown in FIG. 10, the LED lighting apparatus 2000 according to the present invention includes a light source unit 1200 including an LED element; An LED converter 1100 converting power supplied from a power supply source into driving power to supply the driving power to the light source unit 1200, and including a surge protector therein; And a surge protection device 1000 according to an embodiment of the present invention for preventing surge current and surge voltage from flowing into the LED converter 1100.

Here, the surge protection device 1000 accommodates a portion of the power line therein so that the power line connecting the power supply source S and the LED converter 1100 penetrates, and includes a plurality of first locking portions on one side thereof. A lower housing; A surge protection circuit unit accommodated in the lower housing and electrically connected to the power line to prevent surge voltage and surge current from flowing into the LED converter; A plurality of second locking parts provided on one side to be detachably fastened to the first locking part, and a connection part provided on the other side to be rotatably connected to the other side of the lower housing, and An upper housing covering the upper portion; A connection terminal portion disposed on a bottom path of the lower housing on a passage path of the power line and connecting the conductor portion of the power line to the surge protection circuit portion, wherein the connection terminal portion is disposed at an upper portion and covers a covering portion of the power line. It is provided with the cutting blade part which cuts and contacts the conductor part of the said power line.

That is, the surge protection device includes both the configuration and technical features of the surge protection device 1000 included in FIGS. 1 to 9.

Therefore, the LED lighting apparatus according to the present invention primarily blocks the surge voltage and the surge current in the above-described surge protection device, and secondly blocks the surge voltage and the surge current by the surge protector provided inside the LED converter. As a result, it is possible to reliably prevent the surge voltage and the surge current from flowing into the AC-DC converter and the light source portion of the LED converter.

Therefore, according to the above-mentioned problem solving means, the present invention can reliably prevent the surge voltage and the surge current from flowing into the LED converter. For example, even if the present invention includes a surge protector in the LED converter, the surge protector may be further installed to protect the surge voltage and the surge current from flowing into the LED converter, and the surge protector of the LED converter. Even in the event of failure due to aging, the LED converter can be protected from surge voltage and surge current only with the surge protection device according to the present invention.

In addition, the present invention can be easily mounted on the power line flowing into the LED converter. For this reason, the present invention can facilitate replacement and repair of the surge protection device in the event of a failure of the surge protection device.

In addition, the present invention can improve the connectivity and contact between the surge protection device and the power line.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, . ≪ / RTI > Accordingly, such modifications are deemed to be within the scope of the present invention, and the scope of the present invention should be determined by the following claims.

1000: Surge Protection Device
100: lower housing
200: upper housing
300: surge protection circuit
400: connecting terminal part
500: waterproof packing

Claims (15)

A lower housing accommodating a portion of the power line therein so as to penetrate a power line connecting the power supply source and the LED converter, the lower housing including a plurality of first locking portions on one side thereof;
A surge protection circuit unit accommodated in the lower housing and electrically connected to the power line to prevent surge voltage and surge current from flowing into the LED converter;
A plurality of second locking parts provided on one side to be detachably fastened to the first locking part, and a connection part provided on the other side to be rotatably connected to the other side of the lower housing, and An upper housing covering the upper portion;
A connection terminal part disposed on a bottom path of the lower housing on a passage path of the power line and connecting the conductor part of the power line to the surge protection circuit part;
And the connection terminal portion includes a connection blade portion disposed at an upper portion and cut off the covering portion of the power line to contact the conductor portion of the power line. The method of claim 1,
The connection terminal portion
A body portion which supports the blade portion for connection and is integrally formed with the blade portion for connection;
A protruding portion for protruding from one side of the body and connected to a terminal provided in the surge protection circuit;
And a protruding portion which protrudes downwardly from the body portion and is inserted into and fixed to an insertion groove formed on a passage of the power line at a bottom surface of the lower housing. The method of claim 1,
Surge protection device characterized in that the blade for connection is provided in a V shape. The method of claim 1,
The lower housing may include a first front extension part including the surge protection circuit part and a lower accommodating part for receiving the power line, a front wire accommodating part extending forward from the lower accommodating part and accommodating the power line, and the lower part. A first rear extension part extending rearward from the accommodation part and including a rear wire receiving part for receiving the power line;
The upper housing may include an upper accommodating part covering the lower accommodating part, a second front extension part extending in a forward direction from the upper accommodating part to cover the first front extension part, and extending in a rearward direction from the upper accommodating part, And a second rear extension covering the first rear extension. 5. The method of claim 4,
The upper housing,
And a first pressing protrusion protruding downward from an inner upper surface of the upper housing to press the power line so that the conductor portion of the power line disposed on the connection blade portion contacts the connection blade portion. Surge protection device. 5. The method of claim 4,
The first front extension part includes a plurality of separation prevention jaws that are provided at opposite front and rear ends of the first front extension part at the upper edge of the first front extension part to prevent the power line from being separated from the front wire receiving part. Equipped,
The first rear extension part is provided so as to face each other at the front and rear ends of the first rear extension part at the upper edge of the first rear extension part has a plurality of departure prevention jaw to prevent the power line from being separated from the rear wire receiving portion Surge protection device, characterized in that. The method according to claim 6,
The upper housing,
And a second pressing protrusion protruding downward from an inner upper surface of the second front extension part and the second rear extension part to press a power line seated in the front wire receiving part and the rear wire receiving part in a downward direction. Surge protection device, characterized in that. The method of claim 7, wherein
The second pressing protrusion protrudes from the inner upper surface of the second front extension portion and the second rear extension portion in a lower direction than the lower edge surface of the second front extension portion and the lower edge surface of the second rear extension portion,
Surge protection device, characterized in that the interval between the separation bumps facing each other is larger than the width of the second pressing projection portion and smaller than the diameter of the power line. The method of claim 1,
And at least one of a lower surface of the lower edge of the upper housing and an upper surface of the upper edge of the lower housing is provided with a waterproof packing part. The method of claim 1,
And the size of the upper housing is larger than that of the lower housing so that the inner surface of the lower edge of the upper housing covers and covers the outer surface of the upper edge of the lower housing by a predetermined depth. The method of claim 10,
And at least one of an inner side surface of the lower edge of the upper housing and an outer side surface of the upper edge of the lower housing is provided with a waterproof packing part. The method of claim 1,
The first locking part is composed of one of a hook and a locking jaw,
The second locking portion is a surge protection device, characterized in that composed of the other one of the hook and the locking jaw. The method of claim 12,
The locking jaw has a locking surface that is engaged with the locking ring and an inclined surface extending from the locking surface to facilitate insertion into the locking ring. A light source unit having an LED element;
An LED converter converting electric power supplied from a power supply into driving power to supply the driving power to the light source unit, and a surge protector configured to block a surge voltage and a surge current primarily;
Includes; a surge protection device for secondaryly preventing the surge current and the surge voltage flowing into the LED converter;
The surge protection device,
A lower housing accommodating a portion of the power line therein so as to penetrate a power line connecting the power supply source and the LED converter, the lower housing including a plurality of first locking portions on one side thereof;
A surge protection circuit unit accommodated in the lower housing and electrically connected to the power line to prevent surge voltage and surge current from flowing into the LED converter;
A plurality of second locking parts provided on one side to be detachably fastened to the first locking part, and a connection part provided on the other side to be rotatably connected to the other side of the lower housing, and An upper housing covering the upper portion;
A connection terminal part disposed on a bottom path of the lower housing on a passage path of the power line and connecting the conductor part of the power line to the surge protection circuit part;
The connection terminal portion is provided with a connection blade portion disposed on the upper portion and in contact with the conductor portion of the power line by cutting the covering portion of the power line. delete

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