CN2525755Y - Modular switching monomer of telecommunication exchanging system - Google Patents
Modular switching monomer of telecommunication exchanging system Download PDFInfo
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- CN2525755Y CN2525755Y CN 02203874 CN02203874U CN2525755Y CN 2525755 Y CN2525755 Y CN 2525755Y CN 02203874 CN02203874 CN 02203874 CN 02203874 U CN02203874 U CN 02203874U CN 2525755 Y CN2525755 Y CN 2525755Y
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Abstract
The utility model relates to a modular switching monomer of telecommunication exchanging system, wherein, a normality terminal interface, a tracing terminal interface, a system terminal interface, an indicator light and so on are separately arranged outside a box body; a plurality of groups of modular connecting units are arranged inside the box body for connecting the terminal interfaces and the indicator light crosswise; each connecting unit further comprises a switching device, and a terminal resistance is connected with the terminal interface separating from a system so as to prevent the terminal interface from oscillating; adopting electrical connection between interfaces of terminals by the modular connecting units, the switching monomer is characterized in few parts and a simple assembly program.
Description
(1) technical field:
The utility model relates to the modularity switching monomer of a kind of telecommunication switching system, particularly a kind of telecommunication switching system, mainly is the electrical connection that utilizes between the modularity linkage unit formation intraware.
(2) background technology:
As shown in Figure 9, it is in order to as the circuit connection diagram that is connected the switching monomer of media between system and system in the telecommunication switching system, with regard to outside, the switching monomer has one and follows the trail of terminal interface 81, a conversion terminal interface 82, a system end sub-interface 83, one monitors a terminal interface 84 and an indicator light 85 etc., have a connection line in monomer, making system end sub-interface 83 be normality with tracking terminal interface 81 is connected, two jacks of conversion terminal interface 82 are respectively by a resistance R 2, a diverter switch is open in usual with system end sub-interface 83 and is connected, when other system inserts conversion terminal interface 82, to make diverter switch be the state of cutting off simultaneously, and tracking terminal interface 81 is cut off with system end sub-interface 83, simultaneously, following the trail of terminal interface 81 is connected with resistance R 2 by diverter switch, follow the trail of terminal interface 81 1 suitable loads to give, avoid it oscillatory occurences to occur because of sky connects.
Monitor that terminal interface 84 also is connected with the home loop of conversion terminal interface 82 by a resistance R 3, with under the prerequisite of shielding system not, the working condition of monitoring system, and when monitoring that terminal interface 84 has terminal to insert, connect the electric power loop of indicator light 85 simultaneously by another diverter switch, to light indicator light 85.
Connect and the switching effect though above-mentioned switching monomer only plays between each terminal interface, must use many lead, part, just can finish connection, and,, must consider quarantine measures simultaneously for preventing the phase mutual interference because of relating to the transmission of high-frequency signal.There are problems such as part is too many, processing procedure is complicated in existing switching monomer.
(3) summary of the invention:
But main purpose of the present utility model is to provide a kind of component part less and the modularity of the telecommunication switching system of ease of assembly switching monomer.
For achieving the above object, the utility model is taked following technical measures:
The modularity switching monomer of a kind of telecommunication switching system of the present utility model comprises: a framework is located at the indicator light in the framework, a supervision terminal interface, a conversion terminal interface, a tracking terminal interface and a system end sub-interface; Also comprise an output interface jockey and an input interface jockey;
The rectangular body of framework, indicator light, supervision terminal interface, conversion terminal interface and tracking terminal interface are located at respectively on the front side end of framework; The system end sub-interface is located at the rear side end of framework;
Output interface and input interface that conversion terminal interface, tracking terminal interface and system end sub-interface have mutual correspondence respectively;
The inside and outside of output interface jockey has conductive coating, its inside is formed with the semi-circular grooves of holding lead, in order to can constitute signal link between output interface corresponding on conversion terminal interface, tracking terminal interface and the system end sub-interface with switching;
The input interface jockey, its outside has conductive coating, and its inside is formed with the semi-circular grooves of holding lead, in order to can constitute signal link between input interface corresponding on conversion terminal interface, tracking terminal interface and the system end sub-interface with switching.
Wherein, the front side wall of described framework upper end tool certain width, its upper end is formed with a lamp socket, for the tracking indicator light of plant light-emitting diode formation; Be formed with fixing hole on the front side wall of framework between the output interface/input interface of conversion terminal interface respectively, for screwing togather the output interface/input interface jockey that is fixed in the framework inboard, fixing hole is outer and be provided with a port lid in order to involution;
The lower end of framework front side wall is formed with two semicircle orifices, is provided with one first intermediate plate at relative position, is formed with several semicircle orifices on the first intermediate plate inner side edge;
The centre position of framework rear wall also is formed with two semicircle orifices, and is provided with one second intermediate plate in relative position, is formed with several semicircle orifices on the inner side edge of second intermediate plate;
The first/the second intermediate plate can cooperate before and after the framework semicircle orifice on the sidewall will follow the trail of/output interface of system end sub-interface, input interface fix therebetween.
Wherein, be formed with a dividing plate on the top margin in the described framework, place, the dividing plate back side is provided with a circuit board, one end surfaces of dividing plate is formed with two projections, be arranged with the conduction spring coil on it respectively, one end of conduction spring coil is piercing in outside the rear wall of framework, for contacting with set power bus on the described casing correspondence position, draws power supply to connect; The other end of conduction spring coil bends 90 degree, and passes dividing plate and be connected with the circuit board of its another side;
Baffle surface is formed with two parallel grooves with respect to the other end place of projection, be respectively equipped with electroconductive elastic sheet in two grooves, can constitute with two pins of indicator light and contact, one end of electroconductive elastic sheet extends to form a protruding pin with 90 degree, and corresponding pass dividing plate and is connected with the circuit board of its another side, obtain by the circuit on the circuit board and conduct electricity the power supply of spring coil introducing.
Wherein, be respectively equipped with a contact flat spring on the output interface of described tracking terminal interface and the input interface, two contact flat springs are connected to a lead-in wire jointly, and are connected with described circuit board by lead-in wire.
Wherein, described output interface jockey makes up the casket body relatively by two and forms, each casket body extends to form the hollow pipe fitting of two semi-circular sections respectively, be provided with an output interface axle core in one of them casket body, be respectively equipped with lead in the two pipe fittings, wherein an end of a lead connects output interface axle core, and the other end connects the output interface of described system end sub-interface; One end of another lead corresponds to output interface axle core by a switching device shifter, and the other end connects the output interface of described tracking terminal interface.
Wherein, described input interface jockey makes up the casket body relatively by two and forms, each casket body extends to form the hollow pipe fitting of two semi-circular sections respectively, be provided with an input interface axle core in one of them casket body, be respectively equipped with lead in the two pipe fittings, wherein an end of a lead connects input interface axle core, and the other end connects the input interface of described system end sub-interface; One end of another lead corresponds to input interface axle core by a switching device shifter, and the other end connects the input interface of described tracking terminal interface.
Wherein, be folded with one first shell fragment between the voussoir of described switching device shifter by two mutual wedgings and one second shell fragment constitutes, first shell fragment is V-shaped, and its two ends constitute normally closed type with an end of described output interface axle core, lead respectively and contact; One end of corresponding first shell fragment of second shell fragment is provided with insulating case, and the end correspondence of same end does not all contact with the two between the output interface axle core and first shell fragment;
Be formed with a groove that holds a terminal resistance on the voussoir, an end of terminal resistance contacts with the casket body inwall that is formed with conductive coating, and the other end contacts with the other end of second shell fragment.
Wherein, the upper and lower side of the relative inner wall of the pipe fitting of described casket body is formed with fin respectively, and the upper and lower side of the pipe fitting relative inner wall of another casket body is formed with chase, so that engaging mutually;
The other end of the relative casket body of two pipe fittings and middle place are formed with corresponding wedge hole and wedge post respectively, with mutual wedging;
The certain position of two pipe fittings lateral surface is formed with recess respectively,, to avoid being in contact with one another with its pipe fitting side by side the time with described input interface jockey.
Wherein, also be provided with one in the casket body of described output interface jockey and monitor the axle core, it is connected with described output interface axle core by a resistance, and the described peripheral position of axle core that monitors is provided with a switch module;
Switch module is to be formed with twice slit up and down on the one side of an insulator, embed a switch shrapnel in two slits respectively, the contact jaw of two switch shrapnels is the rectangle salient point, contact with decussation, the corresponding simultaneously opening that passes on the insulator is connected with the circuit board at its back side, and constitutes the switch of described indicator light;
The insulator bottom is to the horizontal extension of an end, and the end of elongated end is formed with a pushing and pressing part, and the inclined-plane correspondence of bottom, pushing and pressing part is positioned at the described top that monitors the axle core.
Wherein, the upper and lower side of described framework is respectively equipped with a slide rail and a fastener, be fixed on the described casing for corresponding pegging graft, casing forms a coffin, be formed with a plurality of projections side by side respectively on the upper and lower plate relative inner face of coffin, be formed with the catching groove of a correspondence respectively in collinear outside, projection and catching groove correspond respectively to slide rail and the fastener on the switching monomer;
The dorsal part place of coffin is provided with a power bus, which is provided with the two poles of the earth power circuit that Copper Foil constitutes.
Compared with prior art, the utlity model has following effect:
Telecommunications patching monomer of the present utility model can reduce number of spare parts, ease of assembly.
(4) description of drawings:
Fig. 1: schematic perspective view of the present utility model;
Fig. 2: the schematic perspective view of the switching monomer in the utility model;
Fig. 3: three-dimensional exploded view of the present utility model;
Fig. 4: the connection diagram of output device in the utility model;
Fig. 5: the cutaway view of output device in the utility model;
Fig. 6: the switching state schematic diagram of output device in the utility model;
Fig. 7: the three-dimensional exploded view of switch module in the output device in the utility model;
Fig. 8: the schematic perspective view of another angle of the utility model;
Fig. 9: the circuit connection diagram of the utility model transfer order body.
(5) embodiment:
Reaching embodiment in conjunction with the accompanying drawings is described in detail as follows architectural feature of the present utility model:
As shown in Figure 1, it is a schematic perspective view of the present utility model, wherein, the adapting system of telecommunications switch, mainly be on a casing 10, to be provided with a plurality of switching monomers 20 side by side, only be shown with one group of switching monomer 20 among the figure, the embodiment of switching monomer 20 of the present utility model, shown in Fig. 2,3, switching monomer 20 comprises:
A framework 21, its upper and lower side is respectively equipped with a slide rail 211 and a fastener 212, peg graft and be fixed on the casing 10 for corresponding, be respectively equipped with on the front side end of framework 21 and follow the trail of indicator light 22, one and monitor that terminal interface 23, conversion terminal interface 24 and one follow the trail of terminal interface 25; The rear side end of framework 21 is provided with system end sub-interface 26; Wherein: output interface 241,251,261 and input interface 242,252,262 that conversion terminal interface 24, tracking terminal interface 25 and system end sub-interface 26 have mutual correspondence respectively;
An output interface jockey 30, its inside is provided with lead, constitutes signal link in order to 241,251,261 of output interfaces corresponding on conversion terminal interface 24, tracking terminal interface 25 and system end sub-interface 26, and can switch;
An input interface jockey 40, its inside is provided with lead, constitutes signal link in order to 242,252,262 of input interfaces corresponding on conversion terminal interface 24, tracking terminal interface 25 and system end sub-interface 26, and can switch; Wherein:
The front side wall upper end tool proper width of framework 21, its upper end is formed with a lamp socket 213, for the tracking indicator light 22 of plant light-emitting diode formation; 241/242 of the output/input interface of the conversion terminal interface 24 on the front side wall is formed with fixing hole 214 respectively, be provided with screw 215 therebetween, connect module 30/40 for screwing togather the output/input interface that is fixed in framework 21 inboards, outside the fixing hole 214, be provided with a port lid 215 and give involution.
The front side wall lower end of framework 21 is formed with two semicircle orifices, and be provided with one first intermediate plate 217 at relative position, be formed with several semicircle orifices on the inner side edge of first intermediate plate 217, it is fixing therebetween to cooperate aforementioned semicircle orifice to utilize high-frequency welding or screw-in version will follow the trail of the output interface 251 of terminal interface 25, input interface 252.
The rear wall centre position of framework 21 also is formed with two semicircle orifices, and be provided with one second intermediate plate 218 at relative position, be formed with several semicircle orifices on second intermediate plate, 218 inner side edges, can cooperate aforementioned semicircle orifice to utilize high-frequency welding or screw-in version that output interface 261, the input interface 262 of system end sub-interface 26 are fixed therebetween.
In addition on the interior top margin of framework 21, be formed with a dividing plate 27, the place, the back side of dividing plate 27 is provided with a circuit board 28, one end surfaces of dividing plate 27 is formed with two projections 27 1, be arranged with conduction spring coil 272 on it respectively, one end of conduction spring coil 272 is piercing in outside the rear wall of framework 21, for contacting with set power bus on casing 10 correspondence positions, draws power supply to connect; The other end of conduction spring coil 272 bends 90 degree, and passes dividing plate 27 and be connected with the circuit board 28 of its another side;
The surface of dividing plate 27 is formed with two parallel grooves 273 with respect to the other end place of projection 271, be respectively equipped with electroconductive elastic sheet 274 in two grooves 273, can constitute with two pins of following the trail of indicator light 22 and contact, one end of electroconductive elastic sheet 274 extends to form a protruding pin with 90 degree, and corresponding pass dividing plate 27 and is connected with the circuit board 28 of its another side, conduct electricity the power supply of spring coil 272 introducings and obtain by the circuit on the circuit board 28;
Moreover, be respectively equipped with 253, two contact flat springs 253 of a contact flat spring on the output interface 251 of following the trail of terminal interface 25 and the input interface 252 and be connected to a lead-in wire 254 jointly, and be connected with circuit board 28 by lead-in wire 254.
Shown in Fig. 4,5, output interface jockey 30 mainly makes up casket body 31,32 relatively by two and forms, each casket body 31,32 is made for the material of metal or overlay coating metal, and extend to form the hollow pipe fitting 310,320 of two semi-circular sections respectively, be provided with an output interface axle core 33 in one of them casket body 32, be respectively equipped with lead 34,35 in the two pipe fittings 310,320, wherein, one end of a lead 34 connects output interface axle core 33, the output interface 261 of other end connected system terminal interface 26; One end of another lead 35 is switchably corresponding to output interface axle core 33, and the other end then connects the output interface 251 of following the trail of terminal interface 25;
The upper and lower side of the relative inner wall of the pipe fitting 320 of casket body 32 is formed with fin 321 respectively, and the upper and lower side of the pipe fitting 310 relative inner walls of another casket body 31 is formed with the chase (not shown), so that engaging mutually; The other end of the relative casket body 31,32 of two pipe fittings 310,320 and middle place are formed with corresponding wedge hole 312 and wedge post 322 respectively, so that behind wedging mutually, with high-frequency welding involution in addition.The ad-hoc location of the lateral surface of two pipe fittings 310,320 is formed with recess 313 respectively, so that, avoid being in contact with one another with its pipe fitting side by side the time with input interface jockey 40, causes short circuit.
Moreover, switching device shifter in the relevant casket body 32, its particular content, as shown in Figure 5, the effect of switching device shifter is, under normal conditions, the output interface 261 of system end sub-interface 26 is connected with the output interface 251 of following the trail of terminal interface 25, when terminal inserts the output interface 241 of conversion terminal interface 24, will make tracking terminal interface 25 cut off system end sub-interface 26, replace by conversion terminal interface 24, and be connected with system end sub-interface 26.It is specifically constructed, as shown in Figure 6, and in the present embodiment, 36 of voussoirs at two mutual wedgings are folded with one first shell fragment 37 and one second shell fragment 38, shown in Fig. 5,6, first shell fragment 37 is V-shaped, and its two ends constitute normally closed type with output interface axle core 33, lead 35 1 ends respectively and contact; One end of second shell fragment, 38 corresponding first shell fragments 37 is provided with insulating case 380, the end correspondence of same end is between the output interface axle core 33 and first shell fragment 37, but all do not constitute with the two and to contact, and its insulating case 380 correspondences are positioned at the inboard of the output interface 241 of conversion terminal interface 24, when terminal is inserted by output interface 241, it is except that with output interface axle core 33 engages, the also insulating case 380 of ejection second shell fragment 38 simultaneously, make this end of second shell fragment 38 compress first shell fragment 37 downwards, make it break away from output interface axle core 33, in other words, promptly replace original tracking terminal interface 25 by conversion terminal interface 24.
For preventing that following the trail of terminal interface 25 connects back generation vibration in sky, can after cutting off, give a load, so be formed with a groove on the voussoir 36, to hold a terminal resistance 39, one end of terminal resistance 39 contacts with the inwall of the casket body 32 that is formed with conductive coating, the other end contacts with the other end of second shell fragment 38, when second shell fragment 38 compresses first shell fragment 37 with an end, the output interface 251 of following the trail of terminal interface 25 promptly is connected with terminal resistance 39 by lead 35, the first/the second shell fragment 37,38, and provides load by terminal resistance 35.
As shown in Figure 5, further be provided with one in the casket body 32 of output interface connection module 30 and monitor an axle core 50, it is connected with output interface axle core 33 by a damping resistance 51, monitor that axle core 50 correspondences are positioned at the inboard of set supervision terminal interface 23 on the framework 21, when terminal inserts supervision terminal interface 23, can monitor the signal on the output interface axle core 33 by monitoring axle core 50.Be provided with a switch module 60 at the peripheral position that monitors axle core 50, insert as terminal and monitor terminal interface 23, remove when monitoring that an axle core 50 is connected, this terminal will make switch module 60 conductings simultaneously, and the electric power loop of connecting tracking indicator light 22 is lighted it.The detailed construction of relevant switch module 60, as shown in Figure 7:
The insulator bottom is the horizontal-extending shape to an end, be formed with a pushing and pressing part 65 that is " 4 " font in the end of elongated end, the inclined-plane correspondence of 65 bottoms, pushing and pressing part is positioned at the top that monitors axle core 50, when terminal inserts, terminal except that with monitor that an axle core 50 is connected, also will replace pushing and pressing part 65 simultaneously, pushing and pressing part 65 is upward displacement then, and two switch shrapnels 6364 are in contact with one another via the relative make and break contact of an end, to connect the electric power loop of following the trail of indicator light 22.
It more than is the relativeness of 21 of the detailed construction of output interface jockey 30 and frameworks, the structure of input interface jockey 40, except that not possessing the axle of supervision core, other and output interface jockey 30 are roughly the same, for example, be respectively equipped with an input interface axle core in the relative casket body of input interface jockey 40 with two, lead and a switching device shifter, when making terminal insert the input interface of conversion terminal interface, inserting terminal will contact with input interface axle core, and the switching device shifter of ejection simultaneously, the end and the input interface that connect the lead of following the trail of terminal interface are isolated.In its casket body, also be provided with a terminal resistance, it is located between earth terminal and the switching device shifter, when the input interface no-terminal of conversion terminal inserts, this terminal resistance will be by switching device shifter and lead one end in contact that is connected tracking terminal input interface, give a load with terminal, avoid it oscillatory occurences to occur the system of cutting off.
Shown in Fig. 1,8, casing 10 is to be formed with a plurality of projections 110,120 side by side on upper and lower plate 11, the 12 relative inner faces of a coffin respectively, and be formed with corresponding catching groove 111,121 respectively in collinear outside, projection 110,120 and catching groove 111,121 correspond respectively to the slide rail 211 and fastener 212 on the switching monomer 10, so that switching monomer 10 utilizes slide rail 211 to be fastened on 110,120 of the relative projections of upper and lower plate 11,12, and buckle into catching groove 111,121 with fastener 212, with further fastening.
The coffin dorsal part place of casing 10 is provided with a power supply winding displacement 13, which is provided with the two poles of the earth power circuit 131,132 that Copper Foil constitutes, it corresponds respectively to the conduction spring coil 272 on the monomer 20 of respectively transferring, when switching monomer 20 inserts, the conduction spring coil 272 on it promptly with power supply winding displacement 13 on two power circuits 131,132 constitute electric power loops.
From the above, the utility model mainly provides a kind of process modular switching monomer, the switching monomer utilizes modular output/input interface jockey in a framework, make and monitor that terminal interface, conversion terminal interface, tracking terminal interface and indicator light etc. constitute signal link respectively, because the output/input interface jockey is through modularity, except that the switching monomer is provided original characteristic functions, more can effectively lack number of spare parts with subtracting, improve packaging efficiency.
Claims (10)
1, a kind of modularity of telecommunication switching system switching monomer comprises: a framework is located at the indicator light in the framework, a supervision terminal interface, a conversion terminal interface, a tracking terminal interface and a system end sub-interface; It is characterized in that, also comprise an output interface jockey and an input interface jockey;
The rectangular body of framework, indicator light, supervision terminal interface, conversion terminal interface and tracking terminal interface are located at respectively on the front side end of framework; The system end sub-interface is located at the rear side end of framework;
Output interface and input interface that conversion terminal interface, tracking terminal interface and system end sub-interface have mutual correspondence respectively;
The inside and outside of output interface jockey has conductive coating, its inside is formed with the semi-circular grooves of holding lead, in order to can constitute signal link between output interface corresponding on conversion terminal interface, tracking terminal interface and the system end sub-interface with switching;
The input interface jockey, its outside has conductive coating, and its inside is formed with the semi-circular grooves of holding lead, in order to can constitute signal link between input interface corresponding on conversion terminal interface, tracking terminal interface and the system end sub-interface with switching.
2. modularity switching monomer according to claim 1 is characterized in that, the front side wall upper end tool certain width of described framework, and its upper end is formed with a lamp socket, for the tracking indicator light of plant light-emitting diode formation; Be formed with fixing hole on the front side wall of framework between the output interface/input interface of conversion terminal interface respectively, for screwing togather the output interface/input interface jockey that is fixed in the framework inboard, fixing hole is outer and be provided with a port lid in order to involution;
The lower end of framework front side wall is formed with two semicircle orifices, is provided with one first intermediate plate at relative position, is formed with several semicircle orifices on the first intermediate plate inner side edge;
The centre position of framework rear wall also is formed with two semicircle orifices, and is provided with one second intermediate plate in relative position, is formed with several semicircle orifices on the inner side edge of second intermediate plate;
The first/the second intermediate plate can cooperate before and after the framework semicircle orifice on the sidewall will follow the trail of/output interface of system end sub-interface, input interface fix therebetween.
3. modularity switching monomer according to claim 2, it is characterized in that, be formed with a dividing plate on the top margin in the described framework, place, the dividing plate back side is provided with a circuit board, one end surfaces of dividing plate is formed with two projections, is arranged with the conduction spring coil on it respectively, and an end of conduction spring coil is piercing in outside the rear wall of framework, for contacting, draw power supply to connect with set power bus on the described casing correspondence position; The other end of conduction spring coil bends 90 degree, and passes dividing plate and be connected with the circuit board of its another side;
Baffle surface is formed with two parallel grooves with respect to the other end place of projection, be respectively equipped with electroconductive elastic sheet in two grooves, can constitute with two pins of indicator light and contact, one end of electroconductive elastic sheet extends to form a protruding pin with 90 degree, and corresponding pass dividing plate and is connected with the circuit board of its another side, obtain by the circuit on the circuit board and conduct electricity the power supply of spring coil introducing.
4. modularity switching monomer according to claim 3, it is characterized in that, be respectively equipped with a contact flat spring on the output interface of described tracking terminal interface and the input interface, two contact flat springs are connected to a lead-in wire jointly, and are connected with described circuit board by lead-in wire.
5. modularity switching monomer according to claim 1, it is characterized in that, described output interface jockey makes up the casket body relatively by two and forms, each casket body extends to form the hollow pipe fitting of two semi-circular sections respectively, be provided with an output interface axle core in one of them casket body, be respectively equipped with lead in the two pipe fittings, wherein an end of a lead connects output interface axle core, and the other end connects the output interface of described system end sub-interface; One end of another lead corresponds to output interface axle core by a switching device shifter, and the other end connects the output interface of described tracking terminal interface.
6. modularity switching monomer according to claim 1, it is characterized in that, described input interface jockey makes up the casket body relatively by two and forms, each casket body extends to form the hollow pipe fitting of two semi-circular sections respectively, be provided with an input interface axle core in one of them casket body, be respectively equipped with lead in the two pipe fittings, wherein an end of a lead connects input interface axle core, and the other end connects the input interface of described system end sub-interface; One end of another lead corresponds to input interface axle core by a switching device shifter, and the other end connects the input interface of described tracking terminal interface.
7. according to claim 5 or 6 described modularity switching monomers, it is characterized in that, be folded with one first shell fragment between the voussoir of described switching device shifter and one second shell fragment constitutes by two mutual wedgings, first shell fragment is V-shaped, and its two ends constitute normally closed type with an end of described output interface axle core, lead respectively and contact; One end of corresponding first shell fragment of second shell fragment is provided with insulating case, and the end correspondence of same end does not all contact with the two between the output interface axle core and first shell fragment;
Be formed with a groove that holds a terminal resistance on the voussoir, an end of terminal resistance contacts with the casket body inwall that is formed with conductive coating, and the other end contacts with the other end of second shell fragment.
8. according to claim 5 or 6 described modularity switching monomers, it is characterized in that the upper and lower side of the relative inner wall of the pipe fitting of described casket body is formed with fin respectively, the upper and lower side of the pipe fitting relative inner wall of another casket body is formed with chase, so that engaging mutually;
The other end of the relative casket body of two pipe fittings and middle place are formed with corresponding wedge hole and wedge post respectively, with mutual wedging;
The certain position of two pipe fittings lateral surface is formed with recess respectively,, to avoid being in contact with one another with its pipe fitting side by side the time with described input interface jockey.
9. modularity switching monomer according to claim 5, it is characterized in that, also be provided with one in the casket body of described output interface jockey and monitor the axle core, it is connected with described output interface axle core by a resistance, and the described peripheral position of axle core that monitors is provided with a switch module;
Switch module is to be formed with twice slit up and down on the one side of an insulator, embed a switch shrapnel in two slits respectively, the contact jaw of two switch shrapnels is the rectangle salient point, contact with decussation, the corresponding simultaneously opening that passes on the insulator is connected with the circuit board at its back side, and constitutes the switch of described indicator light;
The insulator bottom is to the horizontal extension of an end, and the end of elongated end is formed with a pushing and pressing part, and the inclined-plane correspondence of bottom, pushing and pressing part is positioned at the described top that monitors the axle core.
10. modularity switching monomer according to claim 1, it is characterized in that, the upper and lower side of described framework is respectively equipped with a slide rail and a fastener, be fixed on the described casing for corresponding pegging graft, casing forms a coffin, be formed with a plurality of projections side by side respectively on the upper and lower plate relative inner face of coffin, be formed with the catching groove of a correspondence in collinear outside respectively, projection and catching groove correspond respectively to slide rail and the fastener on the switching monomer;
The dorsal part place of coffin is provided with a power bus, which is provided with the two poles of the earth power circuit that Copper Foil constitutes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02203874 CN2525755Y (en) | 2002-02-07 | 2002-02-07 | Modular switching monomer of telecommunication exchanging system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02203874 CN2525755Y (en) | 2002-02-07 | 2002-02-07 | Modular switching monomer of telecommunication exchanging system |
Publications (1)
Publication Number | Publication Date |
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CN2525755Y true CN2525755Y (en) | 2002-12-11 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 02203874 Expired - Fee Related CN2525755Y (en) | 2002-02-07 | 2002-02-07 | Modular switching monomer of telecommunication exchanging system |
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CN (1) | CN2525755Y (en) |
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2002
- 2002-02-07 CN CN 02203874 patent/CN2525755Y/en not_active Expired - Fee Related
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