CN2173473Y - Multi-output device - Google Patents
Multi-output device Download PDFInfo
- Publication number
- CN2173473Y CN2173473Y CN 93211642 CN93211642U CN2173473Y CN 2173473 Y CN2173473 Y CN 2173473Y CN 93211642 CN93211642 CN 93211642 CN 93211642 U CN93211642 U CN 93211642U CN 2173473 Y CN2173473 Y CN 2173473Y
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- Prior art keywords
- circuit
- fuse
- line
- live wire
- socket
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Abstract
The utility model relates to a multi-output device, comprising a series of circuits: a voltage surge suppression circuit, a power wire laying fault detecting circuit and a reverse connection detecting circuit of signal grounded wire connections. Each circuit is in series connection with a signal device for indicating whether a protector is in a protect action or not. A suppressor and one indicator are in series connection with a fuse, so the fuse can be burnt out when the voltage surge is higher than a preset limit values, so the indicator can be prompted to change the status. A wire laying failure indicator bridges circuits and a load, the indicator is provided with two forms, one form is used for a three-stage system, and the other form is used for a two-wire system.
Description
Put it briefly, the utility model relates to circuit brake, and specifically, the utility model relates to a kind of many output devices that can make circuit avoid the transient voltage influence.
Most of existing many output devices all do not have luminous indication.Existing its shell of many output electric device is so with bakelite or phenolic materials, thus shell be impacted or fall ground after break easily, become fragile when particularly being heated, and make the user cause danger when removing device dialling, this in addition material can not be reused.In addition, not insulation between the opposite polarity in the existing design.
Outer multitudinous transient voltage may be by directly or the thunderbolt of induction cause, also may be switching manipulation by electric power system, for example switch on or off high capacity motor or generator is caused.The outside outer multitudinous transient voltage that produces is at random, does not predict.The rise time of these transient processes is often very fast, and its crest voltage may be low greater than 10 kilovolts, energy.Although energy is low, high voltage can damage the electronic equipment of family and office.
As everyone knows, voltage surge can be attenuated or shift.Fulfil the protector of these measures and must handle desired energy, and can fast reaction.If the protector action is fast inadequately, then voltage surge will enter each electronic equipment by protector, causes damage.
Protector is damaged, and perhaps these protectors are through finishing their useful life after repeatedly voltage surge impacts.Therefore, the user need possess and predicts the certain methods whether protector still can shield.This can be realized by the combination of alarm, luminous, other indicating device or these modes.
The wiring of power line, phone and other system is made mistakes through regular meeting.The system of perhaps correct wiring because of lead wherein in the misoperation that fractures of storm or construction period.Many equipment may earth-free work, or ground wire and the neutral line exchange, or live wire and the neutral line are exchanged even.Just have the danger of electric shock when like this, the user touches these equipment.
The polarity of some equipment requirements lead is correct.For example, phone can be worked under the situation of each lead reversal connection usually, but fax, modulator-demodulator and other telecommunication apparatus are quite different.
The purpose of this invention is to provide a kind of many output devices that can protect electric and electronic product to avoid voltage surge and overload influence effectively.This is to finish with a kind of design to one's profit.Whether correct the luminous indication of being installed plays a part optical signal, indicating system whether still in work, and indicate system's wiring.
Another object of the present invention provides a kind of so many output devices, this many output devices make people see luminous indication easily owing to forming an inclined-plane on its shell, a large amount of easily production the owing to adopt thermoplastic material, and owing between opposite polarity, adopting plastics to make it to separate.
A further object of the present invention provides a kind of many output devices that have such as functions such as power line protection, telephone line protection and/or wiring trouble detections.
Many output devices of the present utility model is characterized in that comprising:
Plastic casing comprises main shell, bottom and panel, and mechanical, electric and electronic component disposes or is bearing on the shell,
Adopt public access cylindrical or square public contact to touch plug, comprise neutral line plug, ground wire plug and live wire plug;
The ground line socket is T-shaped, and with the position of distribution front socket, left side socket and right side socket, these sockets are connected to the ground plug by screw, and are supported by bottom,
Neutral sheet links together left side neutral line socket, right side neutral line socket and front neutral line socket, and is assembled on the main shell with screw, and wherein neutral line socket in front is connected to neutral line plug by screw,
The live wire brace goes out end with left side live wire socket, front live wire socket, right side live wire socket and fuse clip and couples together, and is assembled on the main shell with screw;
The power supply printed circuit board (PCB) is equipped with electronic component on it and fuse sandwiches end, and is fixed on the bottom;
Fuse is taken out cabinet, and fuse and spare fuse are housed on it, and is inserted on the bottom, makes fuse sandwich end and fuse clip with fuse and goes out to form between the end and electrically contact;
Flexible conductor is with formation electrically contacts between the end so that live wire plug and fuse sandwich;
The electric power line voltage surge protection circuit of protection three-wire system;
The three-way wiring trouble indicator circuit that is used for power circuit.
Comprehensive, many output devices of the present utility model singly do not provide overload protection, and are provided with spare fuse, so that fuse can instantaneously changing after melting.This device more has surge protection and wiring trouble indicating circuit in addition.Avoiding surge voltage in order to the electric power of protection electric power three-wire system impacts.And be used for the power line failure indicator circuit more can show three-way plug into whether correct.
Referring now to accompanying drawing, the utility model is carried out detailed description by example.
Fig. 1 shows connection lead, rivet, front and the side metal contact of each output, the front view of display part and main shell.
Fig. 2 shows each connecting line in main shell, bottom and the front plate and the side cutaway view of each parts of assembling.This assembly is represented the present invention's a kind of design required for protection, in " A " part a telephone channel is arranged, and in " B " part a luminous indication is arranged.As can also be seen from Figure, the neutral pin of assembly is connected to neutral socket with screw.
Another side cutaway view of Fig. 3 shows live wire and earth pin is contained in the situation that also is connected to live wire Outlet line and ground line socket on the shell respectively with screw.
Fig. 4 is the present invention's another kind of design required for protection, shows the coaxial consent that the telephone channel that replaces in Fig. 2 " A " part adopts similar shell.
Fig. 5 is the present invention's another kind of design required for protection; respectively not with telephone channel or the coaxial consent shown in Fig. 2 " A " part and Fig. 4; and can be used for the present invention's another kind design that is provided with voltage surge protection and luminous indication that does not have the basic design of voltage surge protection and be used for the similar shell of the present invention's employing required for protection required for protection.
Fig. 6 is a part that does not have the present invention's basic design required for protection of the luminous indication shown in " B " part among Fig. 2.
Fig. 7 is the exploded view of the present invention's basic design required for protection.
Fig. 8 is the schematic diagram of the voltage-transition protective circuit of power circuit or three-wire system.
Fig. 9 is the schematic diagram of voltage-transition protective circuit that resembles the two-wire system of telephone line or camera cable and so on.
With reference to accompanying drawing, shunting device of the present invention has a shell, and this shell is made up of main shell 1, bottom 2 and panel 15, and they are preferably made by the thermoplastic molding.Machinery, the Electrical and Electronic element is all installed or be supported on these shells.Neutral line pin 7 is made, is contained on the bottom 2 by brass, and is linked together by screw 8 together with the front neutral line socket 11 that the brass material that is contained in brass neutral sheet 20 tops is made, and main shell 1 also is assembled together with screw 8 and bottom 2.Neutral sheet 20 usefulness rivets 12 are connected on the neutral line socket 13 and the neutral line socket 39 on right side in left side, and are assembled on the main shell 1 with screw 37.
The live wire pin 26 usefulness screws made from brass 40 are assemblied on the bottom 2 and connect the AWG(American wire gage) No. 14 cord 27.Live wire 27 is connected to the fuse made from the nickel-plated brass material and sandwiches on the end 30.Fuse sandwiches end 30 usefulness rivets 41 and is contained in power supply PCB(printed circuit board (PCB)) on 17.Power supply PCB17 then is welded on the bottom 2.Fuse is taken out cabinet 4 fuse 29 and spare fuse 5 is fixed, and fuse 29 is connected to also is that the fuse clip of being made by the brass material of nickel plating goes out on the end 3.
Fuse clip goes out end 3 usefulness rivets 41 and is assemblied on the live wire brace 6 that brass material makes.Live wire brace 6 couples together left side live wire socket 14, front live wire socket 22 and right side live wire socket 21 by means of rivet 42, and is installed in the main shell 1 with screw 36.
A among Fig. 2 partly represents to have the telephone channel 10 of telecommunications protection type; it is contained on the phone printed circuit board (PCB) 9; and supported by main shell 1, and the Test Switchboard of testing button 24 and spring leaf 25 formations shows that device 23 also is contained on the phone printed circuit board (PCB) 9 into main shell 1 supporting with opening the light to retouch.
Fig. 4 is coaxial circuit protection model, and coaxial consent 32 is contained on the printed circuit board (PCB) 34, and is supported by metal framework 33 and to be fixed on the main shell 1.
And Fig. 5,6 is A, the B part of base type.
Fig. 8 is the schematic diagram of electric power line voltage protection from transients circuit.Fuse 29 protection circuits are avoided overload.The voltage surge protection has two stages.Phase I is protected by line filter 65.This line filter makes the decay of high energy high voltage surge, but voltage level still may be very high after the decay.Second stage is protected by voltage surge protector 49,50,51.The voltage surge protector can be bi-directional zener diode, metal oxide piezo-resistance, discharging capacitor or other nonlinear voltage clamping device.Bi-directional zener diode is used for response and accurate voltage clamp fast.Discharging capacitor then is used for the high energy voltage surge that dissipates.If want to do high-energy, fast the response and accurate voltage clamp, can be with bi-directional zener diode use in parallel with discharging capacitor.If estimate to have only low-energy voltage surge, then can only adopt the metal oxide piezo-resistance.These only are to adopt bi-directional zener diode, metal oxide piezo-resistance, discharging capacitor and other non-linear voltage clamping device wherein two examples as the various variations of voltage surge protector.The signal circuit that is used for the power line protector is by fuse 48, voltage surge protector 49,50, sounding circuit for alarming 53,54,55,64 and have resistor 56 and the luminous indicating circuit of luminous indication 16 is formed.Resemble MOV(metal oxide piezo-resistance) and some protectors of diode and so on, its useful life is limited.If voltage surge protector end-of-life, then voltage surge suppressor 49 and/or 50 resistance are low, so fuse 48 can fuse because of overcurrent.This can make the luminous indication 16 of common light yellow extinguish.Resistor 56 is current-limiting resistances of luminous indication 16.The sounding circuit for alarming is made up of diode 54, capacitor 53 and resistor 64, the electric current of diode 54 restrictions 54 directions along resistor 64 to diode, and the forward part of capacitor 53 filtered signal ripples, 64 of resistors are the current-limiting resistance of buzzer 55.During fuse 48 short circuits, the electric current sounding circuit for alarming of not flowing through.During the end of life of voltage surge suppressor, its resistance step-down makes a large amount of electric currents flow through fuse 48, with fuse 48 fusing.So electric current leaves fuse 48 and changes its course and be introduced to the sounding circuit for alarming through element 55,54,64, thereby siren is sounded.Fig. 9 is the protective circuit of two-wire system.The 67th, the voltage surge protector.The lighting function element comprises resistor 72 and luminous indication 73, and the alarm function element comprises capacitor 68, diode 70, resistor 71 and buzzer 69.The operation principle of this protector circuit was with described power system signal circuit was identical just now, just was connected to the protector on ground with one from signal, to replace three protectors.
If the voltage surge that surpasses voltage surge protector disposal ability was through fuse 48,52 and 66 o'clock, the fuse 48,52 and 66 that connects along voltage surge protection path will fuse.Fuse 48 protection voltage surge protectors 49,50.Fuse 52 protection voltage surge protectors 51.Fuse 66 protection voltage surge protectors 67.
The wiring faults indicating device has two kinds of circuit forms.Fig. 8 shows the wiring faults indicating device of power line.This indicating device is made up of diode 58, resistor 59,60,61, transistor 62 and luminous indication 63.Have only when the correct wiring of live wire, the neutral line and ground wire or the neutral line and ground wire exchange luminous indication 63 just bright.Diode 58 just needs when luminous indication 63 or transistor 62 puncture because of reverse voltage reaches maximum, it also can with resistor 61 configured in series.When live wire, the neutral line and ground wire correctly were connected, the neutral line had identical voltage with ground wire in other words, does not have the base stage of electric current inflow transistor 62, thereby transistor 62 ends.Electric current also passes through luminous indication 63 from diode 58 by resistor 61, thereby makes luminous indication 63 shinny.
If live wire or ground wire open circuit, then do not have the path stream luminous indication 63 of flowing through of can powering, thereby luminous indication 63 does not work.If when ground wire open circuit or live wire and neutral line exchange or live wire and ground wire exchanged, electric current impelled transistor 62 conductings with regard to the base stage of inflow transistor 62, and from luminous indication 63 current drawn, so luminous indication 63 extinguishes.
Fig. 9 shows the wiring faults indicating device of two-wire system.This indicating device is made up of switch 24, resistor 74, two-way LED 23.Switch 24 prevents to add load to circuit when not testing the wiring reversal connection.When pushing testing button, if holding wire is being over the ground for just, then two-way LED is with certain colour light emitting, not then two-way LED with another kind of colour light emitting.Whether correct LED represent the wiring of each lead or reversal connection.Resistor then limits the electric current of the circuit of flowing through.
The output positive and side can change over any international standard, and the color of panel 15 can change and be encoded into and has claimed required function, and makes appearance more attractive.
Though the just basic embodiment of the present invention is described in detail, can changing and revising above-mentioned example described in the following claims and under the prerequisite of the spirit of restricted portion not breaking away from the present invention.
Claims (12)
1, a kind of many output devices is characterized in that comprising:
Plastic casing comprises main shell 1, bottom 2 and panel 15, and mechanical, electric and electronic component disposes or is bearing on the shell,
Adopt public access cylindrical or square public contact to touch plug, comprise neutral line plug 7, ground wire plug 28 and live wire plug 26;
Ground line socket 19 is T-shaped, and with the position of distribution front socket 45, left side socket 46 and right side socket 44, these sockets are connected to ground plug 28 by screw 43, and are supported by bottom 2,
Neutral sheet 20 links together left side neutral line socket 13, right side neutral line socket 39 and front neutral line socket 11, and is assembled on the main shell 1 with screw 37, and wherein front neutral line socket 11 is connected to neutral line plug 7 by screw 8,
Live wire brace 6 goes out end 3 with left side live wire socket 14, front live wire socket 22, right side live wire socket 21 and fuse clip and couples together, and is assembled on the main shell 1 with screw 36;
Power supply printed circuit board (PCB) 17 is equipped with electronic component and fuse and sandwiches end 30, and is fixed on the bottom 2 on it;
Fuse is taken out cabinet, and fuse 29 and spare fuse 5 are housed on it, and is inserted on the bottom 2, makes fuse sandwich end 30 and fuse clip with fuse 29 and goes out to form between the end 3 and electrically contact;
Flexible conductor 27 is with so that live wire plug 26 and fuse sandwich end forms between 30 and electrically contact;
The electric power line voltage surge protection circuit of protection three-wire system;
The three-way wiring trouble indicator circuit that is used for power circuit.
2, according to many output devices of claim 1, it is characterized in that comprising:
Luminous indication 16 and add-on parts:
Telephone channel 10 is contained on the phone printed circuit board (PCB) 9, and is supported by main shell 1;
Testing button 24 and luminous indication 23 also are contained on the phone printed circuit board (PCB) 9, and are supported by main shell 1;
The two-wire voltage surge protective circuit that is used for telephone line;
The wiring reversal connection indicating device that is used for telephone line.
3, according to many output devices of claim 1, it is characterized in that comprising:
Luminous indication 16 and other add-on parts:
Coaxial consent 32 is contained on the printed circuit board (PCB) 34, and is supported by metal framework 33;
The two-wire voltage surge protective circuit that is used for coaxial line.
4,, it is characterized in that its power voltage line surge protection circuit comprises according to many output devices of claim 1:
A voltage surge protector; be located between live wire output and the neutral line output, another voltage surge protector is connected between live wire output and the ground line output terminal; also have a voltage surge protector to be connected between neutral line output and the ground line output terminal
Described protector can be the combination of bi-directional zener diode, metal oxide piezo-resistance, discharging capacitor or these devices,
According to many output devices of claim 2 or 3, it is characterized in that 5, this two-wire voltage surge protective circuit has a protector.
6, according to many output devices of claim 4, it is characterized in that comprising circuit for alarming,
This circuit for alarming comprises:
A capacitor and a buzzer of being connected in parallel, this parallel circuits and a diode and a resistance are in series, and this series-parallel circuit is in parallel with a fuse again, and this circuit for alarming is connected between live wire and the protector.
7, according to many output devices of claim 4, it is characterized in that comprising the luminous indication circuit,
Described luminous indication circuit comprises neon lamp or the diode with resistor in series, and described luminous indication circuit and the protector from live wire to the neutral line are in parallel.
8, according to many output devices of claim 4, it is characterized in that comprising line filter,
This line filter has two magnetic-coupled coils, and one of them coil and power circuit are in series, and another coil and the neutral line are in series.
9,, it is characterized in that comprising the fuse that connects along live wire according to many output devices of claim 4.
10, according to many output devices of claim 1, it is characterized in that comprising the line-failure indicator circuit,
Described line-failure indicator circuit has a transistor, and this transistorized collector electrode is connected with the neutral line, and base stage is connected with live wire and with ground wire by resistor,
Luminous indication is connected with transistorized base stage, collector electrode and emitter, and luminous indication can be light-emitting diode or neon lamp.
According to many output devices of claim 10, it is characterized in that 11, a diode is connected between live wire and the transistorized collector electrode, puncture to prevent transistor or light-emitting diode.
12, according to many output devices of claim 1, it is characterized in that comprising circuit reversal connection indicator circuit,
Described circuit reversal connection indicator circuit comprises two diodes, and the latter connects into bidirectional diode, and bidirectional diode connects into and sends signal and return, and a switch is connected with this diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93211642 CN2173473Y (en) | 1993-05-11 | 1993-05-11 | Multi-output device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93211642 CN2173473Y (en) | 1993-05-11 | 1993-05-11 | Multi-output device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2173473Y true CN2173473Y (en) | 1994-08-03 |
Family
ID=33793203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93211642 Expired - Fee Related CN2173473Y (en) | 1993-05-11 | 1993-05-11 | Multi-output device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2173473Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113219214A (en) * | 2020-04-01 | 2021-08-06 | 湾流航空公司 | Apparatus and method for electrical wiring of test equipment |
-
1993
- 1993-05-11 CN CN 93211642 patent/CN2173473Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113219214A (en) * | 2020-04-01 | 2021-08-06 | 湾流航空公司 | Apparatus and method for electrical wiring of test equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |