CN205791511U - Surge protector - Google Patents

Abstract

This utility model surge protector, including pluggable surge protection module and base, described surge protection module includes support member, is installed on the gas-discharge tube within support member and is positioned at gas-discharge tube both sides the lug plate being installed on support member；The two ends of gas-discharge tube are connected with the lug plate of both sides by flexible circuit conductor respectively, the two ends of gas-discharge tube be connected with the lug plate of both sides after together with load in support member.This utility model surge protector; lug plate and gas-discharge tube is connected by flexible circuit conductor; directly it is connected with two ends soldering or the elasticity of gas-discharge tube relative to original lug plate, on the one hand can reduce the heat transmission damage to discharge tube, improve the security performance of surge protector；On the other hand, using flexible circuit conductor to connect, simplify the mounting structure of support member and the attachment structure that lug plate is complicated with gas-discharge tube two ends, technique is simple, and cost reduces, and the assembling of each element of surge protection module is more convenient.

Description

Surge protector

Technical field

This utility model relates to Low Voltage Electrical Apparatus, particularly relates to a kind of surge protector.

Background technology

Surge protector is called for short SPD, is that it is extremely for limiting transient overvoltage and the electrical equipment of surge current of releasing Comprise a non-linear element less.

In prior art, general employing discharge tube is as the overvoltage element of switching mode discharge module, and it has logical Stream ability is big, without features such as electric arc leak.Owing to discharge tube element is cylindrical, two ends are electrode, its with The electrical connection of miscellaneous part is typically by soldering or elastic connection.Soldering is for discharge tube inherently for a long time It is a kind of damage, and elastic connection is to discharge tube position, elastic component aeroelastic requirements, the intensity of plastic supporting pieces Require the highest, and be also difficult to ensure that reliable contacts at heavy current impact.

Prior art typically uses resilient connection in the electrical connection of over-voltage protection module Yu base, the most general It is allowed to electrically connect by the clamping action of flexure strip when connecting at module pins and base junction block.Existing product In order to ensure the reliability of electrical connection often flexure strip and junction block design complex, or electrically connect Reliability depends on the connected mode of flexure strip and junction block, and such as welding or riveting etc., and consumptive material is more, example As by junction block through repeatedly bending, not only add product cost, and its current path be longer, causes Residual voltage is the most high.

Summary of the invention

The purpose of this utility model is to overcome the defect of prior art, it is provided that a kind of simple in construction, reliability Height, simple installation, the surge protector of low cost.

This utility model adopts the technical scheme that for achieving the above object

A kind of surge protector, including pluggable surge protection module 1 and base 2, described surge protection mould Block 1 includes support member 14, is installed on the gas-discharge tube 11 within support member 14 and is positioned at gas-discharge tube 11 both sides the lug plate 13 being installed on support member 14；The two ends of gas-discharge tube 11 are led by soft respectively Line 12 is connected with the lug plate 13 of both sides, and the two ends of gas-discharge tube 11 are connected with the lug plate 13 of both sides After load together in support member 14.

Further, the two side up and down of described gas-discharge tube 11 is prolonged to the two ends of gas-discharge tube 11 respectively Stretching and be provided with a connecting piece 1101 and the second connection sheet 1102, a connecting piece 1101 and second connects sheet 1102 It is connected with the lug plate 13 of both sides by flexible circuit conductor 12 respectively.

Further, described flexible circuit conductor 12 uses spot welding to be connected with gas-discharge tube 11 and lug plate 13, described Flexible circuit conductor 12 includes columned conductor 121 and the insulated sleeve 122 being sleeved on outside conductor 121；Flexible circuit conductor 12 are arranged around columned gas-discharge tube 11.

Further, described support member 14 is frame structure, and gas-discharge tube 11 is installed in support member 14 Portion, the middle part of support member 14 is provided with the gas discharge tube seat 141 for installing gas-discharge tube 11；Lug plate The 13 both sides sidewalls being respectively arranged in support member 14, the lateral wall of support member 14 both sides is respectively provided with The wiring film trap 143 of lug plate 13 is installed.

Further, described lug plate 13 includes lug plate main body 132, and the two ends of lug plate main body 132 are respectively Being provided with pin 131 and supporting part 133, one end of the wiring film trap 143 of the sidewall of described support member 14 is provided with Installing, with one end of lug plate 13, the first mounting groove 1431 coordinated, one end of wiring film trap 143 is provided with and props up The second mounting groove 1434 coordinated is installed in support part 133, and the other end of wiring film trap 143 is provided with and pin 131 The 3rd mounting groove 1433 coordinated is installed；Described supporting part 133 is parallel with lug plate main body 132 mutual dislocation It is Z-shaped that formation is set, be connected sheet 134 by lug plate between supporting part 133 with lug plate main body 132 and connect, Described first mounting groove 1431 is located at the other end of the second mounting groove 1434, the end of supporting part 133 and institute The first mounting groove 1431 stated is installed and is coordinated.

Further, described lug plate 13 protrudes, towards the side sidewall of outer housing 15, the wedge shape being provided with diagonally downward Arm 130 is installed.

Further, the end of the pin 131 of described lug plate 13 is provided with pin tip 1311.

Further, the upper edge of the medial wall of the gas discharge tube seat 141 on described support member 14 is to gas Projecting inward being provided with of electric discharge tube seat 141 installs the barb 142 coordinated, gas-discharge tube 11 with gas-discharge tube 11 After the opposite side of gas discharge tube seat 141 loads, bottom is stopped spacing by barb 142.

Further, the bottom of described support member 14 is provided with location bar 144, and location bar 144 is positioned at support member 14 Bottom side, described location bar 144 be cross section be the column structure of water-drop-shaped.

Further, described surge protection module 1 also includes outer housing 15, gas-discharge tube 11, lug plate 13 Being installed along with in outer housing 15 with after support member 14 installation, the pin 131 of both sides lug plate 13 stretches out Bottom outer housing 15；Described base 2 becomes U-shape structure, is symmetrically arranged on two with two terminations, U-shape structure Two sides and base vertical；The U-shaped knot of surge protection module 1 squarely structure, size and base 2 The U-type groove 201 of structure is mated, and surge protection module 1 is fixed on the U-shaped of base 2 in the way of grafting In groove 201, and electrically connect with the termination within base 2.

This utility model surge protector, connects lug plate and gas-discharge tube by flexible circuit conductor, relative to former First lug plate is directly connected with two ends soldering or the elasticity of gas-discharge tube, on the one hand can reduce heat and pass Pass the damage to discharge tube, improve the security performance of surge protector；On the other hand, use flexible circuit conductor to connect, Simplify the mounting structure of support member and the attachment structure that lug plate is complicated with gas-discharge tube two ends, technique letter Single, cost reduces, and the assembling of each element of surge protection module is more convenient.Flexible circuit conductor and gas discharge Between pipe and lug plate, spot welding connects, and connects more solid and reliable.

Accompanying drawing explanation

Fig. 1 is the overall structure schematic diagram of surge protector of the present utility model；

Fig. 2 is the structural representation of the surge protection module of surge protector of the present utility model；

Fig. 3 is the structural representation after surge protection module of the present utility model removes support member；

Fig. 4 is the side view of the adapter of surge protector of the present utility model；

Fig. 5 is the schematic perspective view of the adapter of surge protector of the present utility model.

Detailed description of the invention

The embodiment be given below in conjunction with accompanying drawing 1 to 5 further illustrates surge protector of the present utility model Detailed description of the invention.Surge protector of the present utility model is not limited to the following description.

As it is shown in figure 1, this utility model surge protector is by pluggable surge protection module 1 and base 2 Composition.Surge protection module 1 is internal is provided with anti-surge circuit, absorbable thunder and lightning indirect, direct and other The surge impact that the many reasons such as instantaneous overvoltage bring to electric power system, protection rear end electrical equipment.Base 2 Become U-shape structure, be symmetrically arranged on two with two terminations, two sides of U-shape structure and base vertical；Electricity Gushing protection module 1 squarely structure, size is mated with the U-type groove of the U-shape structure of base 2, surge protection Module 1 is fixed in the U-type groove of base 2 in the way of grafting, and with the termination of chassis interior Electrical connection, realizes surge protection module internal circuit and externally fed by being located at the termination of chassis interior The electrical connection of system.

As shown in Figure 2,3, described surge protection module 1 includes support member 14, is installed on support member 14 Internal gas-discharge tube 11 and be positioned at gas-discharge tube 11 both sides and be installed on the lug plate on support member 14 13.The two ends of described gas-discharge tube 11 are connected with the lug plate 13 of both sides by flexible circuit conductor 12 respectively, gas The two ends of body discharge tube 11 be connected with the lug plate 13 of both sides after together with load in support member 14, then put Outer housing 15, loads in the U-type groove of base 2 together.This utility model surge protector, is led to by flexible circuit conductor The technique crossing spot welding connects lug plate and gas-discharge tube, and gas-discharge tube direct relative to original lug plate Two ends soldering or elastic connect, on the one hand can reduce the heat transmission damage to discharge tube, improve electricity The security performance of surge protector；On the other hand, use flexible circuit conductor connect, simplify support member mounting structure with And the attachment structure that lug plate is complicated with gas-discharge tube two ends, technique is simple, and cost reduces, surge protection The assembling of each element of module is more convenient.

This utility model flexible circuit conductor 12 refers to have good bending performance, and is not easy the wire fractureed.

Specifically, the two side up and down of described gas-discharge tube 11 is prolonged to the two ends of gas-discharge tube 11 respectively Stretch and be provided with a connecting piece 1101 and the second connection sheet 1102.A connecting piece 1101 and second connects sheet 1102 It is connected with the lug plate 13 of both sides by a flexible circuit conductor 12 respectively.The two ends of gas-discharge tube 11 only need to set Put a connecting piece 1101 and the second connection sheet 1102 can be connected with flexible circuit conductor 12, relative to traditional bullet Property connect, a connecting piece 1101 and second connects the simple in construction of sheet 1102, easy to process, low cost. Flexible circuit conductor 12 is arranged around columned gas-discharge tube 11, makes compact conformation volume little.

As it is shown on figure 3, flexible circuit conductor 12 is by putting insulated sleeve 122 structure outside the conductor 121 of cylindrical shape Become.Described flexible circuit conductor 12 is connected by spot welding with lug plate and the gas-discharge tube 11 of both sides, uses point Welding technology shortens weld interval, reduces the heat transmission damage to discharge tube.On the other hand, lug plate 13 He The two ends of gas-discharge tube 11 use flexible circuit conductor 12 connection to make spot welding be connected to become possibility.Certainly, soft lead The lug plate of line and both sides and gas-discharge tube 11 can also use other connected modes, such as at lug plate or Offer installing hole on person's a connecting piece 1101 and the second connection sheet 1102, between flexible circuit conductor, insert installing hole Interior connection.

As in figure 2 it is shown, support member 14 is the frame structure that elastoplast integrated injection molding becomes, the gas after welding Discharge tube and lug plate are as in an integral installation to support member, and wherein gas-discharge tube is fixed on support member Middle part, two panels lug plate 13 is separately fixed at the both sides of support member 14.Quick and easy for installation.

As in figure 2 it is shown, be respectively provided with the wiring film trap 143 of rectangle on the side, two, left and right of support member 14, two The lug plate 13 of side is respectively arranged in the lug plate 13 of both sides and is arranged in wiring film trap 143.Described support One end of the wiring film trap 143 of the sidewall of part 14 is provided with the one end with lug plate 13 and installs the first peace coordinated Tankage 1431.

Specifically, described lug plate 13 includes lug plate main body 132, and the two ends of lug plate main body 132 are respectively Being provided with pin 131 and supporting part 133, described supporting part 133 is parallel with lug plate main body 132 mutual dislocation to be set Putting formation Z-shaped, one end of wiring film trap 143 is provided with installs, with supporting part 133, the second mounting groove 1434 coordinated, The other end of wiring film trap 143 is provided with installs, with pin 131, the 3rd mounting groove 1433 coordinated；Supporting part 133 Connecting with being connected sheet 134 by lug plate between lug plate main body 132, described first mounting groove 1431 is located at The other end of the second mounting groove 1434, the end of supporting part 133 is installed with the first described mounting groove 1431 Coordinate.Lug plate 13 protrude towards the side sidewall of outer housing 15 be provided with diagonally downward coordinate peace with outer housing 15 The wedge shape of dress installs arm 130.

As in figure 2 it is shown, be provided with a cylindrical gas discharge tube seat 141 in the middle part of support member 14, gas is put Fulgurite is fixed in the gas discharge tube seat 141 at the middle part of support member 14.The inner side of gas discharge tube seat 141 The upper edge of wall is protruded to gas discharge tube seat 141 and is provided with four barbs 142.The shape sum of barb 142 Amount can make change according to practical situation, and such as, barb is in the triangular prism-shaped structure kept flat.By cylindric Gas-discharge tube 11 load in gas discharge tube seat 141, barb 142 can be with fixed gas discharge tube 11. During installation, gas-discharge tube is falling by gas discharge tube seat 141 opposite side after the side of support member 14 loads 142 buckles of hook are spacing, and mounting structure is solid and reliable.

As in figure 2 it is shown, especially, the leading flank of bracing frame 14 also sets up a protruding locating dowel 144. Locating dowel 144 is arranged on the side at support member leading flank center, is the cross section column that presents drop shape Structure, locating dowel may indicate that the installation direction of support member 14, positions surge protection module 1, prevents anti-loaded Surge protection module.

Such as Fig. 1, shown in 4, the base 2 of this utility model surge protector is symmetrically arranged on two with two wiring dresses Put.Each termination includes wire frame and adapter 3 respectively, surge protection module 1 pass through two bottom sides Pin 131 and adapter grafting, it is achieved the electricity between the termination of surge protection module 1 and base 2 Connect.

As shown in Figures 4 and 5, adapter includes connector body and flexible connection piece 34, flexible connection piece 34 It is connected to one end of connector body, connector body is provided with the opening 311 that pin 131 inserts, connect Device body forms contact plate side 312 in the end, one end of opening 311, and flexible connection piece 34 is located at opening 311 Lower section, between flexible connection piece 34 and contact plate side 312 formed pin 131 insert connecting hole, insert After foot 131 inserts connecting hole, flexible connection piece 34 provides pretension for the connection of pin 131 with connector body Power.This utility model surge protector includes connector body and flexible connection piece, by connector body On the opening that pin inserts is set, flexible connection piece provides, for pin, the pretightning force that is connected with connector body, Novel structure is simple, easy to process.

As illustrated in figures 4-5, concrete, described connector body is formed Z by whole piece strip metal plate bending Shape, including contact plate 31, connecting plate 32 and patch panel 33.Patch panel 33 and contact plate 31 are respectively perpendicular Being connected to the two ends of connecting plate 32, and lay respectively at the both sides of connecting plate 32, described flexible connection piece 34 is even Being connected to connecting plate 32 one end near contact plate 31, described opening 311 is located on contact plate 31, contact plate Side 312 is located at the end of contact plate 31.Adapter is by a whole piece strip metal plate bending and molding, processing side And adapter is respectively provided with the patch panel 33 of wiring and for the contact plate being connected with pin 131 just, 31, novel structure is succinct, and performance safety is stable.Contact plate 31 is perpendicular to vertical pin 131, described in connect Line plate 33 is parallel to outer lead, and the pin 131 of overvoltage module can be inserted perpendicularly into opening of contact plate 31 At mouth 311, outer lead can also forward be linked together by junction block with patch panel 33.So connect Device 3 is all very convenient with the connection of pin 131 and outer lead respectively, and adapter has only to twice bending The most plastic, bending times is few, and operation is simple.

As shown in Figures 4 and 5, the lower end of connecting plate 32 is provided with the connecting plate for supporting flexible connection piece 34 Extension board 321, cuts out three limits of connecting plate extension board 321, will connect in contact plate 31 position before bending Touch panel 31 bending is vertical with connecting plate 32, the formed below connecting plate extension board not bent of connecting plate 32 321, contact plate 31 is then formed opening 311, connecting plate extension board 321 is identical with opening 311 area. Connecting plate extension board 321 cuts out opening 311 again through being bent to form for contact plate 31, easy to process, simultaneously Connecting plate extension board 321 provides support force for flexible connection piece 34, prevents the deformation of flexible connection piece 34, Improve the security performance of adapter.After bending and molding, connecting plate 32 and contact plate 31 collectively constitute one Font punching structure, connecting plate extension board 321 is the firmest, can provide powerful propping up for flexible connection piece 34 Support force.

As shown in Figure 4,5, described flexible connection piece 34 is the elastic foldable sheet of U-shaped, elastic including first Connecting sheet 341 and the second flexible connection piece 342, one end of described first flexible connection piece 341 is with adapter originally The lower end of the connecting plate 32 of body connects, and the other end inserts the lower section stretching to opening 311 from opening 311, and first Flexible connection piece 341 is parallel with the connecting plate 32 of connector body, and the second flexible connection piece 342 is positioned at opening The lower section of 311, one end of the second flexible connection piece 342 is connected with the other end of the first flexible connection piece 341, The connection that pin 131 inserts is formed between the other end and the contact plate side 312 of the second flexible connection piece 342 Hole, after pin 131 inserts connecting hole, the second flexible connection piece 342 deform upon into pin 131 with contact The connection of plate side 312 provides pretightning force.Flexible connection piece 34 overall construction design is reasonable, elastic good, And flexible connection piece also can play the effect of conduction simultaneously, reduce pin 131 and adapter 3 junction Resistance.Flexible connection piece 34 also includes circular arc bending segment 344, one end of circular arc bending segment 344 and the second bullet Property connect the connection of one end of sheet 342, the other end connection of the other end and the first flexible connection piece 341.The The junction of one flexible connection piece 341 and the second flexible connection piece 342 arranges circular arc bending segment 344 so that bullet Property connect sheet 34 there is preferable elasticity.

Concrete, the other end of the second flexible connection piece 342 is provided with is easy to the arc section 343 that pin 131 inserts, The circular arc of arc section 343 protrudes towards contact plate side 312 side, and pin 131 inserts arc section 343 On arc surface, continue into so that the second flexible connection piece 342 deforms upon along arc surface.Arc surface makes When pin 131 inserts, the second flexible connection piece 342 deforms upon, and arc surface prevents pin 131 from inserting simultaneously Time feel smooth and easy, prevent pin 131 from clamping stagnation occurring.Can also set in the end of the second flexible connection piece 342 Put inclined-plane.

As it is shown in figure 5, patch panel 33 rectangular shaped.Rectangle is offered respectively in the middle part of the long limit of patch panel two Installation gap 331, end just formed installation arm 332, such patch panel defines an I-shaped structure. During installation, snap in wire frame in the installation gap 331 of patch panel both sides, be inserted in parallel into connecing by outer lead Wire frame and patch panel parallel contact, make patch panel tight with outer lead extruding with screw.Installation gap 331 Wire frame can be positioned, arm 332 is installed and prevents wire frame from coming off.Concrete, the lower surface of patch panel 33 is also Being provided with wavy bulge 333, wavy bulge 333 increases the degree of roughness on patch panel surface, makes patch panel Quiet frictional force between 333 and outer lead increases, and then makes connection relatively reliable.

Above content is to combine concrete preferred implementation further detailed description of the utility model It cannot be assumed that of the present utility model being embodied as is confined to these explanations.For technology belonging to this utility model Some letters can also be made without departing from the concept of the premise utility for the those of ordinary skill in field Single deduction or replace all should be considered as belonging to protection domain of the present utility model.

Claims (10)

1. a surge protector, including pluggable surge protection module (1) and base (2), its feature It is: described surge protection module (1) includes support member (14), is installed on support member (14) inside Gas-discharge tube (11) and be positioned at gas-discharge tube (11) both sides and be installed on connecing on support member (14) Line sheet (13)；The two ends of gas-discharge tube (11) are respectively by the lug plate (13) of flexible circuit conductor (12) with both sides Connect, the two ends of gas-discharge tube (11) be connected with the lug plate (13) of both sides after together with load support member (14) in.

Surge protector the most according to claim 1, it is characterised in that: described gas-discharge tube (11) Two side up and down respectively to the two ends of gas-discharge tube (11) extend be provided with a connecting piece (1101) and Second connects sheet (1102), and a connecting piece (1101) and second connects sheet (1102) is led by soft respectively Line (12) is connected with the lug plate (13) of both sides.

Surge protector the most according to claim 1 and 2, it is characterised in that: described flexible circuit conductor (12) Using spot welding to be connected with gas-discharge tube (11) and lug plate (13), described flexible circuit conductor (12) includes circle The conductor (121) of column and be sleeved on conductor (121) insulated sleeve (122) outward；Flexible circuit conductor (12) Arrange around columned gas-discharge tube (11).

Surge protector the most according to claim 1 and 2, it is characterised in that: described support member (14) For frame structure, gas-discharge tube (11) is installed on the middle part of support member (14), support member (14) Middle part is provided with the gas discharge tube seat (141) for installing gas-discharge tube (11)；Lug plate (13) point It is not installed on the both sides sidewall of support member (14), the lateral wall of support member (14) both sides is respectively equipped with use In the wiring film trap (143) installing lug plate (13).

Surge protector the most according to claim 4, it is characterised in that: described lug plate (13) wraps Include lug plate main body (132), lug plate main body (132) be respectively arranged at two ends with pin (131) and support Portion (133), one end of the wiring film trap (143) of the sidewall of described support member (14) is provided with and lug plate (13) One end install coordinate the first mounting groove (1431), one end of wiring film trap (143) is provided with and supporting part (133) installing the second mounting groove (1434) coordinated, the other end of wiring film trap (143) is provided with and pin (131) the 3rd mounting groove (1433) coordinated is installed；Described supporting part (133) and lug plate main body (132) Mutual dislocation be arranged in parallel formation Z-shaped, between supporting part (133) and lug plate main body (132) pass through connect Line sheet connects sheet (134) and connects, and described first mounting groove (1431) is located at the second mounting groove (1434) The other end, the end of supporting part (133) is installed with described the first mounting groove (1431) and is coordinated.

Surge protector the most according to claim 5, it is characterised in that: described lug plate (13) court Protrude, to the side sidewall of outer housing (15), the wedge shape being provided with diagonally downward and arm (130) is installed.

Surge protector the most according to claim 5, it is characterised in that: described lug plate (13) It is most advanced and sophisticated (1311) that the end of pin (131) is provided with pin.

Surge protector the most according to claim 4, it is characterised in that: on described support member (14) The upper edge of medial wall of gas discharge tube seat (141) set to gas discharge tube seat (141) is projecting inward Having and install, with gas-discharge tube (11), the barb (142) coordinated, gas-discharge tube (11) is from gas discharge After the opposite side of tube seat (141) loads, bottom is stopped spacing by barb (142).

Surge protector the most according to claim 1, it is characterised in that: described support member (14) Bottom is provided with location bar (144), and location bar (144) is positioned at the side of support member (14) bottom, described fixed Position bar (144) be cross section be the column structure of water-drop-shaped.

Surge protector the most according to claim 1, it is characterised in that: described surge protection module (1) also include that outer housing (15), gas-discharge tube (11), lug plate (13) and support member (14) are installed Being installed along with after completing in outer housing (15), the pin (131) of both sides lug plate (13) stretches out outer housing (15) Bottom；Described base (2) becomes U-shape structure, is symmetrically arranged on two with two terminations, the two of U-shape structure Individual side and base vertical；Surge protection module (1) squarely structure, size is U-shaped with base (2) U-type groove (201) coupling of structure, surge protection module (1) is fixed on base in the way of grafting (2) termination in U-type groove (201) and internal with base (2) electrically connects.