CN101166207A - A plug access ringtone detection device - Google Patents
A plug access ringtone detection device Download PDFInfo
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- CN101166207A CN101166207A CNA2006101138993A CN200610113899A CN101166207A CN 101166207 A CN101166207 A CN 101166207A CN A2006101138993 A CNA2006101138993 A CN A2006101138993A CN 200610113899 A CN200610113899 A CN 200610113899A CN 101166207 A CN101166207 A CN 101166207A
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Abstract
Plug in and pull out type connection ringing detection device includes the input end and output end, and a plug-in board. The input end, output end, and detection circuit are fixed on the plug-in board. The plug-in board possesses input and output jacks in use for plugging in user circuit of switchboard magnet or circuit in telephone set. First input end, second input end, digital input end in high level, input end of ground wire, and output end of signal are installed on the jacks. Features are: good filtering effect, high sensitivity, convenient to maintain and replace, simple operation, and shortcut.
Description
Technical field
The present invention relates to switch or telephone set technology, particularly a kind of ringtone detection device that is used for switch or telephone set.
Background technology
In the existing technology, the switch that contains the magnetite user interface is mainly magneto exchange and a spot of common battery switchboard that contains multiple user interface and trunk interface, wherein the ring detecting circuit of magnetite user interface mainly is made up of rectification, voltage stabilizing, current limliting, isolated controlling, filter circuit several sections, but has following deficiency:
1, the filter circuit design is loaded down with trivial details, and filter effect is not ideal enough, causes the ring erroneous judgement sometimes, and the form of this part circuit employing two-stage drive and two-stage low-pass filtering, causes power consumption big, especially is unfavorable for the low power dissipation design of portable magneto exchange.
2, placement-and-routing is carried out in the components and parts of ring detecting circuit and user's communication circuit and other control unit unification in the user circuit board, cause taking the pcb board area greatly, not easily changeable problem, for switch, increase and decrease certain road magnetite user, the change user capacity need be done change to placement-and-routing, be difficult for to realize very much.
In addition, the ringer that is adopted in present electronic telephone is generally electronic bell, generally form by ring application-specific integrated circuit (ASIC), oscillating element and output transducer spare, it directly utilizes the energy of the AC signalling signal that switch sends, handle the high and low composite audio that back output replaces according to switching frequency through integrated circuit, promote loud speaker and send out bell, wherein produce the signal level of indication ring testing result, its shortcoming is the function expansion of telephone set that can not the adaptive zone microprocessor; And the current telephone set that possesses the ring detection adopts integrated circuit to finish the ring measuring ability usually, is unfavorable for the circuit debugging of development phase and the secondary development of telephone functionality.
Therefore, just need a kind of new ringtone detection device, this ringtone detection device preferably can plug-in inserts.
Summary of the invention
The objective of the invention is to overcome ring detecting circuit in existing switch magnetite subscriber line circuit or the telephone set in the deficiency of aspects such as electric property, placement-and-routing and function expansion, the ringtone detection device that provides a kind of plug-in to insert, this device is a kind of pluggable PCB plate module and for switch magnetite user interface, it can be embedded on the user circuit board motherboard, multichannel user utilizes corresponding this device of polylith can detect the bell signal that magnetite user separately sends, and can realize the magnetite user machine testing function of seting out; For telephone set, it can detect the bell signal that switch sends, and sends out bell or expands other function thereby start.
In order to achieve the above object, technical solution problem of the present invention adopts following technical scheme:
The ringtone detection device that provides a kind of plug-in to insert, this device comprises a plate, fixes following testing circuit on this plate:
Be used to import the first input end and second input of two wires bell signal, be connected to a rectification circuit with another input after being connected to a filter capacitor one of in the described first input end and second input, the cathode output end of described rectification circuit links to each other with an end of a current-limiting resistance, the cathode output end of described rectification circuit links to each other with the positive pole of a voltage stabilizing didoe, the other end of described current-limiting resistance and the negative pole of described voltage stabilizing didoe are connected to an isolation control circuit, this isolation control circuit also is connected with a digital high input, by this digital high input to described isolation control circuit input high level signal, the output of described isolation control circuit is connected to a bandwidth-limited circuit, this bandwidth-limited circuit links to each other with the ground wire input, and the output of this bandwidth-limited circuit is used to export the signal output part of ring detection signal for this ringtone detection device.
In technique scheme, further, described filter circuit is a π type RC bandwidth-limited circuit.
In technique scheme, further, described plate has the input and output socket that is used for being inserted into switch magnetite subscriber line circuit or telephone set network, settles described first input end, described second input, described digital high input, described ground wire input and described signal output part on this socket.
In technique scheme, further, the output of this bandwidth-limited circuit is connected to a schmitt inverter shaping, and the output of this inverter is used to export the signal output part of ring detection signal as this ringtone detection device, and effect will be better.
The ringtone detection device that plug-in of the present invention inserts can realize that the ring of switch magnetite user interface detects (be user set out machine) function, also can realize the ring measuring ability of telephone set, and, this device has pluggable input and output socket, can be used as standalone module and links to each other with slot on switch or the telephone set network plate and embed wherein.Beneficial effect of the present invention be in particular in following some:
(1) in this device, the bandpass filtering design of ring detection signal is succinct, the filter effect ideal, highly sensitive to bell signal, and power consumption significantly reduces, and helps to reduce switch and telephone set power consumption, is particularly advantageous in the low power dissipation design of realization with battery powered switch and telephone set;
(2) be convenient to maintenance and replacing; Adverse circumstances such as thunder and lightning or other fault may cause the magnetite subscriber line circuit or the telephone set of switch to be smashed, adopt " can plug ringtone detection device " to help the maintenance personal to conclude fault zone in the subscriber line circuit, search fault and keep in repair very convenient, change certain road subscriber line circuit if desired, can the plug characteristics making of this device do not need instrument in the maintenance process, directly plug is changed and got final product, and is simple to operate, convenient;
(3), help increasing and decreasing the capacity of switch for switch; Producer can be realized any user's door number in the maximum user capacity of exchange function carrying according to requirement of client, and can increase and decrease number of users at any time, and implementation is flexible, convenient;
(4),, be convenient to realize the function expansion and the secondary development of telephone set for the design of multi-feature telephone provides a precondition for telephone set;
(5) placement-and-routing of optimization magnetite user circuit board, the anti-interference of raising circuit board; After adopting this device, the placement-and-routing of each subscriber line circuit is all identical, helps optimizing the placement-and-routing of magnetite user circuit board, improves the anti-interference of circuit board;
(6) save the area of magnetite user circuit board motherboard, helped dwindling the volume of magneto exchange or telephone set.
Description of drawings
Fig. 1 is a ringtone detection device circuit diagram of the present invention;
Fig. 2 is the ringtone detection device circuit diagram of the embodiment of the invention 1;
Fig. 3 is the input and output socket schematic diagram of the PCB plate in the embodiment of the invention 1;
Fig. 4 is the schematic diagram that the embodiment of the invention 1 is used for magneto exchange;
Fig. 5 is the schematic diagram that the embodiment of the invention 2 is used for telephone set.
The drawing explanation:
The 1----filter capacitor, the 2------rectification circuit,
The 3----voltage stabilizing didoe, the 4-------current-limiting resistance,
The 5----isolation control circuit, 6-------π type RC bandwidth-limited circuit,
7----digital high input, 8-------ground wire input,
P1, P2 are two wires ring input signal, and P3 is the output of ring detection signal level.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:
The invention provides the ringtone detection device that a kind of plug-in inserts, this device is a kind of pluggable PCB plate module.For switch magnetite user interface, it can be embedded on the user circuit board motherboard, and multichannel user utilizes this device of polylith can detect magnetite user's separately the bell signal of sending, and can realize the magnetite user machine testing function of seting out; For telephone set, it can detect the bell signal that switch sends, and sends out bell or expands other function thereby start, as individual character the tinkle of bells, telephone message, caller identification, alarm and formulate multiple User Defined function.Below with two embodiment explanations:
Present embodiment is used for switch magnetite user board dislodging machine testing, as shown in Figure 4, RD1-RDn represents n magnetite user interface respectively among the figure, being applied to 20 line magnetite stored-program control exchanges with ringtone detection device is example, if the magnetite customer volume demand of switch is 20 the tunnel, the ringtone detection device that 20 these plug-ins insert can be inserted in 20 road slots of user's plate motherboard.If the customer volume demand is 16 the tunnel, can extract any 4 road these devices as required, not only provided cost savings but also need not special customization.The circuit diagram of present embodiment as shown in Figure 2.
The ringtone detection device that this plug-in inserts comprises a PCB (Printed Circuit Board is called for short PCB) plate, fixes following circuit on this plate:
Be used to import the first input end and second input of two wires bell signal, be connected to a rectification circuit with another input after being connected to a filter capacitor one of in the described first input end and second input, it is 1uF that filter capacitor adopts the appearance value, withstand voltage is the electric capacity of 250V, and rectification circuit adopts the rectifier bridge of 1A/400V to realize; The cathode output end of described rectification circuit links to each other with an end of a current-limiting resistance, this resistance ratio is as being 10K ohm, and the cathode output end of described rectification circuit links to each other with the positive pole of a voltage stabilizing didoe, and this voltage stabilizing didoe adopts 1N4735, its voltage stabilizing value is 6.2V, and power is 1W; The other end of described current-limiting resistance and the negative pole of described voltage stabilizing didoe are connected to an isolation control circuit, this isolation control circuit also is connected with a digital high input, by this digital high input to described isolation control circuit input high level signal, this isolation control circuit can be realized with the Darlington optocoupler, as MCA231; The output of described isolation control circuit is connected to a π type RC bandwidth-limited circuit, this bandwidth-limited circuit links to each other with the ground wire input, the output of this bandwidth-limited circuit is connected to a schmitt inverter shaping, and the output of this inverter is used to export the signal output part of ring detection signal for this ringtone detection device.
In the above-mentioned π type RC bandwidth-limited circuit, two electric capacity value respectively is 0.33uF and 1uF, and resistance value is 620K ohm.
In addition, the circuit that can utilize a diode and resistance to be composed in series is in parallel with above-mentioned π type RC filter circuit, and diode can adopt 1N4148, and resistance can be 22K ohm.Particularly, the input of π type RC filter circuit links to each other with above-mentioned diode cathode, and the negative pole of diode links to each other with an end of above-mentioned resistance, and the other end of resistance links to each other with the output of π type RC filter circuit.The adding of the circuit that above-mentioned diode and resistance are composed in series can be accelerated the time of filter circuit output rising edge and the time that delays its output trailing edge, to strengthen the sensitivity (to gather trailing edge as examination criteria) of gathering bell signal.
As shown in Figure 3, the PCB plate has the input and output socket that is used for being inserted into switch magnetite subscriber line circuit, on this socket, comprise described first input end P1, the described second input P2, described digital high input VCC and described signal output part P3, ground wire input GND in addition.
In the present embodiment, the design of the bandpass filtering of ring detection signal is succinct, the filter effect ideal, highly sensitive to bell signal, and power consumption significantly reduces, and helps to reduce switch and is particularly advantageous in realization with battery powered switch low power dissipation design, helps increasing and decreasing the capacity of switch; Producer can be realized any user's door number in the maximum user capacity of exchange function carrying according to requirement of client, and can increase and decrease number of users at any time, and implementation is flexible, convenient.And the placement-and-routing of each subscriber line circuit is all identical, helps optimizing the placement-and-routing of magnetite user circuit board, improves the anti-interference of circuit board.
The ringtone detection device of present embodiment is applied to telephone set.When this built-in device of telephone set detected the bell signal that switch sends, the microprocessor of telephone set inside can be realized multiple operation according to this information, as starting the individual character the tinkle of bells or opening telephone message etc.The present embodiment schematic diagram is seen shown in Figure 5, ringtone detection device is plugged on the circuit board of telephone set, makes ringtone detection device and microprocessor form circuit and be connected that the bell circuit sent out by telephone set or the telephone message module is connected with microprocessor.Import the two wires bell signal by the first input end P1 and the second input P2.Other circuit such as embodiment 1.
The ringtone detection device of the plug-in type in the present embodiment is convenient to maintenance and is changed; Adverse circumstances such as thunder and lightning or other fault may make telephone set be smashed, employing can plug ringtone detection device and help the maintenance personal to conclude fault zone in the subscriber line circuit, search fault and keep in repair very convenient, can the plug characteristics making of this device do not need instrument in the maintenance process, directly plug is changed and got final product, and is simple to operate, convenient; And, for the design of multi-feature telephone provides a precondition, be convenient to realize the function expansion and the secondary development of telephone set.
It should be noted last that above embodiment is only unrestricted in order to technical scheme of the present invention to be described.Although the present invention is had been described in detail with reference to embodiment, those of ordinary skill in the art is to be understood that, technical scheme of the present invention is made amendment or is equal to replacement, do not break away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (6)
1. the ringtone detection device that plug-in inserts comprises input and output; It is characterized in that, comprise a plate, fixedly input, output and testing circuit on this plate.
2. the ringtone detection device that inserts according to the described plug-in of claim 1, it is characterized in that, described testing circuit comprises: the first input end and second input that are used to import the two wires bell signal, be connected to a rectification circuit with another input after being connected to a filter capacitor one of in the described first input end and second input, the cathode output end of described rectification circuit links to each other with an end of a current-limiting resistance, the cathode output end of described rectification circuit links to each other with the positive pole of a voltage stabilizing didoe, the other end of described current-limiting resistance and the negative pole of described voltage stabilizing didoe are connected to an isolation control circuit, this isolation control circuit also is connected with a digital high input, by this digital high input to described isolation control circuit input high level signal, the output of described isolation control circuit is connected to a bandwidth-limited circuit, this bandwidth-limited circuit links to each other with the ground wire input, and the output of this bandwidth-limited circuit is used to export the signal output part of ring detection signal for this ringtone detection device.
3. the ringtone detection device that inserts according to the described plug-in of claim 2 is characterized in that described filter circuit is a π type RC bandwidth-limited circuit.
4. the ringtone detection device that inserts according to claim 2 or 3 described plug-ins, it is characterized in that, described plate has the input and output socket that is used for being inserted into switch magnetite subscriber line circuit or telephone set network, settles described first input end, described second input, described digital high input, described ground wire input and described signal output part on this socket.
5. the ringtone detection device that inserts according to claim 2 or 3 described plug-ins, it is characterized in that, the output of described bandwidth-limited circuit is connected to a schmitt inverter, and the output of this inverter is the signal output part that this ringtone detection device is used to export the ring detection signal.
6. the ringtone detection device that inserts according to the described plug-in of claim 4, it is characterized in that, the output of described bandwidth-limited circuit is connected to a schmitt inverter, and the output of this inverter is the signal output part that this ringtone detection device is used to export the ring detection signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101138993A CN100563270C (en) | 2006-10-20 | 2006-10-20 | The ringtone detection device that a kind of plug-in inserts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101138993A CN100563270C (en) | 2006-10-20 | 2006-10-20 | The ringtone detection device that a kind of plug-in inserts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101166207A true CN101166207A (en) | 2008-04-23 |
| CN100563270C CN100563270C (en) | 2009-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101138993A Expired - Fee Related CN100563270C (en) | 2006-10-20 | 2006-10-20 | The ringtone detection device that a kind of plug-in inserts |
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| Country | Link |
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| CN (1) | CN100563270C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792871A (en) * | 2014-02-24 | 2014-05-14 | 南京捷泰电力设备有限公司 | Low-voltage intelligent switch control module with electric hot plug and unplug mode |
| CN108696623A (en) * | 2018-08-01 | 2018-10-23 | 南通理工学院 | A kind of call maintenance instrument |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1319982A (en) * | 2001-04-12 | 2001-10-31 | 刘向华 | Intelligent domestic electric appliance control system and realizing method |
-
2006
- 2006-10-20 CN CNB2006101138993A patent/CN100563270C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792871A (en) * | 2014-02-24 | 2014-05-14 | 南京捷泰电力设备有限公司 | Low-voltage intelligent switch control module with electric hot plug and unplug mode |
| CN108696623A (en) * | 2018-08-01 | 2018-10-23 | 南通理工学院 | A kind of call maintenance instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100563270C (en) | 2009-11-25 |
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Granted publication date: 20091125 Termination date: 20161020 |
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