Summary of the invention
It is an object of the invention to provide a kind of fixed terminal and a kind of switch box comprising this fixed terminal. In the switch box utilizing this fixed terminal fixed electronic element and wire, when the one generation fault in electronic component or wire needs to replacing, the another one in electronic component or wire can not be had influence on.
In order to realize above-mentioned purpose, as an aspect of the present invention, a kind of fixed terminal is provided, wherein, this fixed terminal comprises conductive sleeve, the externally threaded inner fixing member that has first and have the 2nd externally threaded extenal fixation part, described conductive sleeve comprises the inner side end with the first threaded hole and has the outboard end of the 2nd threaded hole, and one end of described inner fixing member is arranged in described first threaded hole, and one end of described extenal fixation part is arranged in described 2nd threaded hole.
Preferably, described conductive sleeve is also formed the wire hole running through this conductive sleeve along this conductive sleeve radial direction.
Preferably, described inner fixing member comprises the first jackscrew and the first bolt, and described first jackscrew is positioned at one end of described first bolt, and is arranged in described first threaded hole, and one end of described first bolt is arranged in described first threaded hole.
Preferably, described extenal fixation part comprises the 2nd jackscrew and nut, and one end of described 2nd jackscrew is positioned at described 2nd threaded hole, and the other end protrudes from described conductive sleeve, and described nut is arranged on the other end of described 2nd jackscrew.
Preferably, described fixed terminal comprises insulator cap, and this insulator cap is arranged on the other end of described extenal fixation part.
Preferably, described first threaded hole and described 2nd threaded hole interpenetrate.
As a kind of switch box, this switch box comprises retaining plate, element fixed terminal, electronic component, supply lead and wire, described supply lead is arranged on the outside of described retaining plate, described electronic component is fixed on the outside of described retaining plate by described element fixed terminal, described wire is positioned at inside described retaining plate, and described element fixed terminal and described supply lead are electrically connected by described wire, wherein, described element fixed terminal is above-mentioned fixed terminal provided by the present invention, described electronic component is electrically connected with described conductive sleeve by described extenal fixation part, described wire is electrically connected with described conductive sleeve by described inner fixing member.
Preferably, described switch box comprises web member, and one end of this web member is fixing with described electronic component to be electrically connected, and the other end is provided with and connects hole, and described 2nd jackscrew passes described connection hole, to utilize described nut to be resisted against on described retaining plate by described web member.
Preferably, described electronic component comprises lightning-protection module, the input terminus of this lightning-protection module is fixed on described retaining plate by described element fixed terminal, and described lightning-protection module is electrically connected with described wire by described element fixed terminal, the output head grounding of described lightning-protection module.
Preferably, described switch box comprises input fixed terminal and exports fixed terminal, this input fixed terminal and output fixed terminal are above-mentioned fixed terminal provided by the present invention, described supply lead comprises power supply input line and power supply output line, described power supply input line is electrically connected with the described conductive sleeve of this input fixed terminal by the extenal fixation part of described input fixed terminal, described power supply output line is electrically connected with the described conductive sleeve of this output fixed terminal by the described extenal fixation part of described output fixed terminal, described wire is successively by described input fixed terminal, described element fixed terminal and the electrical connection of described output fixed terminal.
Preferably, one end of described wire is electrically connected with described input fixed terminal, and the other end is electrically connected with described output fixed terminal, and middle part is electrically connected through the described wire hole of described element fixed terminal with the described conductive sleeve with described element fixed terminal.
Preferably, described wire clamp is held in described wire hole by described first jackscrew of described element fixed terminal and described 2nd jackscrew of described element fixed terminal.
Preferably, this switch box also comprises the first elastic washer, and this first elastic washer is positioned at described conductive sleeve, and between described first jackscrew and described wire; And/or this switch box also comprises the 2nd elastic washer, the 2nd elastic washer is positioned at described conductive sleeve, and between described 2nd jackscrew and described wire.
Preferably, described electronic component also comprises switch, and one end of this switch is electrically connected with described element fixed terminal, and the other end is electrically connected with described lightning-protection module.
Described fixed terminal comprises the inner fixing member with conductive sleeve thread fit and extenal fixation part, and wire can be fixed on the inner side of retaining plate by inner fixing member, and electronic component can be fixed on the outside of retaining plate by extenal fixation part. When needing to change wire, remove inner fixing member, it is necessary to removing extenal fixation part when changing electronic component, the two can not influence each other.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail. Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
In the present invention, when not doing contrary explanation, it may also be useful to the noun of locality such as " inside and outside " refer in Fig. 3 and Fig. 4 the direction indicated by arrow. Further, the outside of the retaining plate shown in Figure 5, what show in figure 6 is the inner side of retaining plate.
As shown in Figures 1 and 2, as an aspect of the present invention, a kind of fixed terminal is provided, wherein, this fixed terminal comprises conductive sleeve 11, the externally threaded inner fixing member 12 that has first and have the 2nd externally threaded extenal fixation part 13, conductive sleeve 11 comprises the inner side end with the first threaded hole 11a and has the outboard end of the 2nd threaded hole 11b, and one end of inner fixing member 12 is arranged in the first threaded hole 11a, and one end of extenal fixation part 13 is arranged in the 2nd threaded hole 11b.
As shown in Figures 3 and 4, when utilizing the fixed terminal fixing cord 30 shown in Fig. 1 and electronic component 40, the conductive sleeve 11 of described fixed terminal is fixedly installed on retaining plate 20, and make the first threaded hole 11a be positioned at the inner side of retaining plate 20, make the 2nd threaded hole 11b be positioned at the outside of retaining plate 20. Utilize inner fixing member 12 that wire 30 is fixed on the inner side of retaining plate 20, utilize extenal fixation part 13 that electronic component 40 is fixed on the outside of retaining plate 20. Should be understood that, inner fixing member 12, extenal fixation part 13 are made by electro-conductive material.
Owing to inner fixing member 12 and extenal fixation part 13 are independent mutually, therefore, when changing wire 30 by dismounting inner fixing member 12, the electronic component 40 being fixed on outside retaining plate 20 can not be had influence on; When changing electronic component 40 by dismounting extenal fixation part 13, the wire 30 being fixed on inside retaining plate 20 can not be had influence on. Therefore, when utilizing fixed terminal of the present invention to fix wire 30 and electronic component 40, once wire 30 or electronic component 40 there be one generation fault need to change, can easily the one that fault occurs be changed, it is to increase maintenance efficiency.
In several ways wire 30 can be electrically connected with conductive sleeve 11. As shown in Figure 3, it is possible to arrange the connection terminal having and connecting hole in one end of wire 30, inner fixing member 12 can be formed as bolt. The connection terminal being electrically connected with wire 30 is enclosed within inner fixing member 12, then inner fixing member 12 is screwed in the first threaded hole 11a, and the connection terminal of wire 30 is resisted against on conductive sleeve 11.
Or, it is possible to the wire hole 15 running through this conductive sleeve 11 of radial direction along conductive sleeve 11 is set on conductive sleeve 11, when fixing cord 30, it is possible to by wire 30 through wire hole 15.
As shown in Figures 3 and 4, inner fixing member 12 can comprise the first jackscrew 12a and bolt 12b, and the first jackscrew 12a is positioned at one end of bolt 12b, and is arranged in the first threaded hole 11a, and one end of bolt 12b is arranged in the first threaded hole 11a. Bolt 12b may be used for being pressed against on conductive sleeve the wire 30 being provided with connection terminal, and the first jackscrew 12a may be used for remaining in wire hole 15 wire 30 being arranged in wire hole 15.
In the present invention, extenal fixation part 13 can be common bolt, it is also possible to have other form. Such as, in enforcement mode shown in figs. 3 and 4, extenal fixation part 13 comprises the 2nd jackscrew 13a and nut 13b, and one end of the 2nd jackscrew 13a is positioned at the 2nd threaded hole 11b, the other end protrudes from conductive sleeve 11, and nut 13b is arranged on the other end of the 2nd jackscrew 13a. When utilizing extenal fixation part 13 fixed electronic element 40, it is possible to electronic component 40 is connected with the 2nd jackscrew 13a, then nut 13b is tightened on the 2nd jackscrew 13a, thus electronic component 40 is fixedly installed on the outside of retaining plate 20.
In order to ensure the safety of operator, it may be preferred that described fixed terminal can also comprise insulator cap 14, this insulator cap 14 is arranged on the other end of extenal fixation part 13, shown in as shown in Figure 1 to Figure 4.
In the present invention, the first threaded hole 11a and the 2nd threaded hole 11b can be not connected, it is also possible to interpenetrates. For the ease of processing and manufacturing, it may be preferred that the first threaded hole 11a and the 2nd threaded hole 11b interpenetrates, further preferably, the first threaded hole 11a and the 2nd threaded hole 11b has identical diameter.
Another advantage that first threaded hole 11a and the 2nd threaded hole 11b interpenetrates is, when wire 30 is through wire hole 15, wire 30 can be remained in wire hole 15 by inner fixing member 12 and extenal fixation part 13 in the both sides of wire 30.
As another aspect of the present invention, a kind of switch box is also provided, as as shown in Fig. 3 to Fig. 6, this switch box comprises retaining plate 20, element fixed terminal 10a, electronic component 40, supply lead 50 and wire 30, supply lead 50 is arranged on the outside of retaining plate 20, electronic component 40 is fixed on the outside of retaining plate 20 by element fixed terminal 10a, wire 30 is positioned at inside retaining plate 20, and element fixed terminal 10a and supply lead 50 are electrically connected by wire 30, wherein, element fixed terminal 10a is above-mentioned fixed terminal provided by the present invention, electronic component 40 is electrically connected with conductive sleeve 11 by extenal fixation part 13, wire 30 is electrically connected with conductive sleeve 11 by inner fixing member 12.
Electronic component 40 is electrically connected with supply lead 50 by wire 30. When fault occurs electronic component 40, only extenal fixation part 13 need to be pulled down from conductive sleeve 11, the wire 30 inside retaining plate 20 can't be had influence on, therefore, after electronic component 40 is changed, it is not necessary to wire 30 is set again.
In the present invention, when electronic component 40 self is provided with web member, it is possible to directly electronic component 40 is connected with fixed terminal. When electronic component 40 does not have web member, preferably, as shown in Figure 3 and Figure 4, switch box of the present invention can also comprise web member 60, one end of this web member 60 is electrically connected with electronic component 40 is fixing, the other end is provided with and connects hole, and the 2nd jackscrew 13a passes and connects hole, to utilize nut 13b to be resisted against on retaining plate 20 by web member 60. It is understood that web member 60 is made up of the material that can conduct electricity. As shown in Figures 3 and 4, it is possible to use web member 60 is fixed on electronic component 40 by screw.
In order to avoid being damaged at thunder and lightning weather, preferably, the electronic component 40 being arranged in switch box of the present invention can comprise lightning-protection module 41, the input terminus of this lightning-protection module 41 is fixed on retaining plate 20 by element fixed terminal 10a, and lightning-protection module 41 is electrically connected with wire 30 by element fixed terminal 10a, the output head grounding of lightning-protection module 41.
When external voltage or electric current generation larger fluctuation, excessive electric current can be imported underground by lightning-protection module 41, thus protection power source line 50 and the load that is connected with supply lead are not damaged. Load can be protected not to be destroyed when thunder and lightning weather and voltage fluctuation are bigger after being arranged in switch box by described lightning-protection module 41. Further, without the need to arranging separately lightning protection box in switch box outside again after being arranged in switch box by lightning-protection module 41, construction procedure is simplified.
In the present invention, it is possible to adopt multiple mode to be connected with supply lead 50 by lightning-protection module 41. Such as, it is possible to wire is connected directly between supply lead 50 and lightning-protection module 41.
Preferably, it is possible to adopt " triumphant literary composition scott connection " to be electrically connected with supply lead 50 by lightning-protection module 41. specifically, as shown in Figure 5 and Figure 6, switch box of the present invention can comprise input fixed terminal 10b and export fixed terminal 10c, this input fixed terminal 10b and output fixed terminal 10c is above-mentioned fixed terminal provided by the present invention, supply lead 50 comprises power supply input line 51 and power supply output line 52, power supply input line 51 is electrically connected with the conductive sleeve 11 of this input fixed terminal 10b by inputting the extenal fixation part 13 of fixed terminal 10b, power supply output line 52 is electrically connected with the conductive sleeve 11 of this output fixed terminal 10c by exporting the extenal fixation part 13 of fixed terminal 10c, wire 30 will input fixed terminal 10b successively, element fixed terminal 10a and output fixed terminal 10c is electrically connected. element fixed terminal 10a is the bottom of V-shaped. utilize " triumphant literary composition scott connection " lightning-protection module 41 be electrically connected with supply lead 50 can eliminate on wire 30 because of lightning current by time self the volts lost of dead resistance inductance generation, it is possible to play the effect protecting load.
As shown in Figure 5, input terminal row's fixed power source input line 51 can be utilized, this input terminal package is drawn together and is arranged input fixed terminal 10b and be arranged on the maintenance part of first above this input fixed terminal, the function of input fixed terminal 10b is fixed power source input line 51 and power supply input line 51 is electrically connected with wire 30, and the function of the first maintenance part is then the outside that power supply input line 51 is fixed on retaining plate 20.
With reason, output terminal row's fixed power source output line 52 can also be utilized, this output terminal package is drawn together to arrange and is exported fixed terminal 10c and be arranged on the maintenance part of the 2nd above this output fixed terminal, the function of output fixed terminal 10c is fixed power source output line 52 and is electrically connected with wire 30 by power supply output line 52, and the function of the 2nd maintenance part is then the outside that power supply output line 52 is fixed on retaining plate 20.
When supply lead 50 and lightning-protection module 41 being electrically connected according to above-mentioned " triumphant literary composition scott connection ", wire 30 can comprise two sections, one section is connected between element fixed terminal 10a and input fixed terminal 10b, and another section is connected to element fixed terminal and exports between fixed terminal 10c. For the ease of arranging, preferably, wire 30 can be set in the following manner: one end of this wire 30 is electrically connected with input fixed terminal 10b, the other end with output fixed terminal 10c be electrically connected, and middle part pass element fixed terminal 10a wire hole 15 be electrically connected with the conductive sleeve 11 with element fixed terminal 10a.
When arranging wire 30 according to the method described above, wire 30 is clamped in wire hole 15 by the first jackscrew 12a and the 2nd jackscrew 13a, such that it is able to effectively prevent wire 30 from altering.
In order to more be securely fixed in wire hole 15 by wire 30, it may be preferred that described switch box can also comprise the first elastic washer 16, this first elastic washer 16 is positioned at conductive sleeve 11, and between the first jackscrew 12a and wire 30. After being worn by wire 30 in wire hole 15, tightening the first jackscrew 12a, the first jackscrew oppresses the first elastic washer 16 so that this first elastic washer 16 guiding line 30 applies pressure. Owing to the first elastic washer 16 has elasticity, so even the first jackscrew 12a occurs to loosen, wire 30 still can be resisted against in wire hole 15 by the first elastic washer 16. With reason, described switch box also comprises the 2nd elastic washer the 17, two elastic washer 17 and is positioned at conductive sleeve 11, and between the 2nd jackscrew 13a and wire 30. The effect of the 2nd elastic washer 17 is similar to the first elastic washer 16, repeats no more here. Further, the first elastic washer 16 can be only set in the present invention, it is also possible to the 2nd elastic washer 17 is only set, it is also possible to the first elastic washer 16 and the 2nd elastic washer 17 are set simultaneously.
For the ease of control, it may be preferred that electronic component 40 can also comprise switch 42, and one end of this switch 42 is electrically connected with element fixed terminal 10a, and the other end is electrically connected with lightning-protection module 41. As shwon in Figures 5 and 6, switch 42 is connected with lightning-protection module 41. When not needing lightning protection 41 module work, switch 42 disconnects, and when needs lightning-protection module 41 works, switch 42 closes.
Described fixed terminal comprises the inner fixing member with conductive sleeve thread fit and extenal fixation part, and wire can be fixed on the inner side of retaining plate by inner fixing member, and electronic component can be fixed on the outside of retaining plate by extenal fixation part. When needing to change wire, remove inner fixing member, it is necessary to removing extenal fixation part when changing electronic component, the two can not influence each other.
Below the preferred embodiment of the present invention is described by reference to the accompanying drawings in detail; but; the detail that the present invention is not limited in above-mentioned enforcement mode; within the scope of the technical conceive of the present invention; the technical scheme of the present invention can being carried out multiple simple variant, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each the concrete technology feature described in above-mentioned embodiment, when not contradiction, it is possible to combined by any suitable mode. In order to avoid unnecessary repetition, various possible array mode is illustrated by the present invention no longer separately.
In addition, can also carrying out arbitrary combination between the various different enforcement mode of the present invention, as long as it does not run counter to the thought of the present invention, it should be considered as content disclosed in this invention equally.