CN2575921Y - Low-voltage power source movable lamp control circuit - Google Patents
Low-voltage power source movable lamp control circuit Download PDFInfo
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- CN2575921Y CN2575921Y CN 02254601 CN02254601U CN2575921Y CN 2575921 Y CN2575921 Y CN 2575921Y CN 02254601 CN02254601 CN 02254601 CN 02254601 U CN02254601 U CN 02254601U CN 2575921 Y CN2575921 Y CN 2575921Y
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Abstract
The utility model relates to a multiway IP telephone manager, which comprises user proximal end circuits, user distal end circuits, a number reception circuit, a number emitting circuit, an interface circuit and a central processing unit. The utility model is characterized in that the user proximal end circuits and the user distal end circuits are all multiple; the number reception circuit and the number emitting circuit are a plurality of public number receivers and number senders; the utility model is provided with an exchange circuit which is connected with a plurality of user proximal end circuits, a plurality of user distal end circuits, a plurality of public number receivers and a plurality of common number senders, and is connected with the central processing unit by the interface circuit. The multiway IP telephone manager not only can be installed on the telephone, but also can be installed on a telephone exchanger so that a unit extension telephone can use the IP telephone, and can automatically dial IP operator access numbers instead. An IP gateway is accessed in the mode that the ordinary long distance telephone is called. Users can base on own needs to select IP operators. The utility model has the advantages of automatic regulation and long distance telephone fee saving.
Description
Technical field
The utility model relates to a kind of IP phone terminal access device that is used for the telecommunication path field, particularly a kind of multichannel IP phone manager.
Background technology
What existing and the utility model had similar functions is all kinds of dialing devices, its basic composition as shown in Figure 1: formed by user's near-end circuit, user's remote circuitry, the circuit that collects the digits, signaling circuit, interface circuit and central processing unit; Wherein: the external telephone set of user's near-end circuit also is subjected to the change over switch of being located in user's near-end circuit of central processing unit control to connect user's remote circuitry by one, the output reception circuit of user's near-end circuit, the output of circuit of collecting the digits connects central processing unit by interface circuit, send central processing unit with off-hook and dialing signal, the signal that central processing unit is sent here according to the circuit that collects the digits judges to be long-distance or local telephone network, if toll telephone then is forwarded to user's remote circuitry by above-mentioned change over switch and connects the IP route, and called out the numbers by the signaling circuit forwarding; If local telephone network is connecting subscribers participating near-end circuit then, and transmit number or directly user's near-end circuit and user's remote circuitry connection number are directly sent by signaling circuit.In this type systematic, in order to reduce cost, various circuit are all simple as much as possible, and function is restricted, and can not realize the multichannel dialing, can only be used for a phone.
In addition, the present tame IP of domestic existing China Telecom, China Netcom, CHINAUNICOM, China Railway Telecom, China Jitong, China Mobile six operator, its access code, rate and service quality all have nothing in common with each other, and the area that can lead to is also variant.Existing dialing device can only insert a tame IP gateway, and limitation is too big concerning the user, can not enjoy the highest preferential that each IP operator provides simultaneously.
The weak point of existing dialing device:
1, existing dialing device is a single channel, and an equipment can only connect No. one phone.
2, existing dialing device generation the IP Number for access dialled, be pre-set, the user can't change.
Summary of the invention
Technical problem to be solved in the utility model is, above-mentioned deficiency at prior art, also can be contained on the phone on the telephone exchange and provide a kind of multichannel IP phone manager, this multichannel IP phone manager both can be contained in, the unit's of making extension telephone also can use IP phone; Automatically in generation, dialled IP operator Number for access, just can insert IP gateway with the mode of dialing common toll telephone, and can select IP operator according to the needs of oneself, adjusts automatically, saves long-distance telephone expenses.
Above-mentioned technical problem of the present utility model is realized by following technical scheme.
A kind of multichannel IP phone manager comprises: user's near-end circuit, user's remote circuitry, the circuit that collects the digits, signaling circuit, interface circuit and central processing unit is characterized in that:
This user's near-end circuit and this user's remote circuitry are a plurality of; This collect the digits circuit and signaling circuit are a plurality of public digit receivers and a plurality of public impulse sender;
Be provided with a switched circuit, this switched circuit is connected, and connects central processing unit by interface circuit with above-mentioned a plurality of user's near-end circuit, a plurality of user's remote circuitry, a plurality of public digit receiver, a plurality of public impulse sender.
Except that above-mentioned essential features, in specific implementation process, also can replenish following technology contents:
This switched circuit is made up of 8980 serial exchange chips, and per 4 the tunnel use a slice exchange chip.
In these a plurality of user's near-end circuit each all is made up of internal and external line diverter switch, constant-current source, and wherein: the internal and external line diverter switch is a double-contact relay, and its two normally closed contact makes phone meet the LB0 and the AA0 of user's remote circuitry, directly communicates with outside line; Its two normal opened contact makes this phone be connected in series this constant-current source; This constant-current source is made up of triode Q20, Q40; Triode Q20 constitutes amplifying circuit, and its collector electrode is by clamping diode circuit connection interface circuit, to detect the state of receiver off-book or on-hook; The collector electrode of triode Q30 is by capacitor C 050 connection interface circuit, and the dtmf signal that phone is sent when the interior line states is delivered and changed circuit; This relay coil is connected in series a switching tube Q10, and the base stage of switching tube Q10 is with K0 connection interface circuit; Whether the first number that central processing unit is transfered according to the family is differentiated is long-distancely to send instruction and carry out inside and outside line and switch; If not long-distance, then K0 is " 0 ", and Q10 ends, and relay is failure to actuate, and phone meets the LB0 and the AA0 of user's remote circuitry, directly communicates with outside line; If long-distance, then K0 is " 1 ", the Q10 conducting, and the actuating of relay, Q30, Q40 provide circulation to phone, provide the phone state by the RC0 point to interface circuit; By the C050 switched circuit double-tone frequency (DTMF) signal that phone sends is delivered to shared digit receiver via switched circuit.
This public digit receiver is made up of a plurality of unit circuit that collects the digits, each unit circuit that collects the digits is made of the digit receiver chip, the SD0-SD3 of external bus in this chip Q1-4 pin connection interface circuit, STD pin connection interface circuit, the TOE pin is the Enable Pin of transceiver, connect decoder by inverter in the interface circuit, IN-is by resistance and connect after connect switched circuit by capacitor C 01; All the other each pin connect in accordance with regulations; This digit receiver is controlled by central processing unit, receives double-tone frequently during number at needs, and the digit receiver of free time is connected by switched circuit with corresponding near-end or remote circuitry, and the double-tone frequency number of its reception is read by central processing unit by interface circuit.
This public impulse sender is made up of a plurality of unit signaling circuit, and each unit signaling circuit is constituted by sending out the digit receiver chip; Two audio number are sent out in the D0-D3 pin decision of this chip, meet the SD0-SD3 of external bus, and the latch in the TONE EN connection interface circuit is also controlled by it, and the duration and the bit interval of dtmf signal sent in decision; TONE OUT pin meets switched circuit Y4 through buffer amplifier circuit by capacitor-coupled; This public impulse sender is controlled by central processing unit, sends out double-tone frequently during number at needs, and the impulse sender of free time is connected by switched circuit with corresponding remote circuitry, and the double-tone frequency number that produces is sent on the outside line by remote circuitry.
This central processing unit is made up of central processing unit and program storage, data storage, realizes multiple function by program and the data of setting.
Advantage of the present utility model is:
1, the utility model is a multichannel, and equipment can connect the phone more than 4 ones.
2, the utility model can be contained on single phone or the telephone exchange, makes extension telephone also can use IP phone.
3, the inside and outside line of the utility model is isolated fully, and the user is when dialing toll telephone, and the IP Number for access that outside line is sent out is to not influence of interior lines, user's sensation with dial common long-distance the same.
4, the utility model can be realized by software: (1) automatically generation dial IP operator Number for access, makes the user needn't remove the access code of remembeing that each are different, just can insert IP gateway with the mode of dialing common toll telephone, saved the inconvenience that the user uses IP phone.(2) user can select IP operator according to the needs of oneself, and can according to each operator provide different preferential, adjust automatically, reach the purpose of the maximum long-distance telephone expenses of saving.(3) provide management function, user cipher can be set as required, the user of service of restriction toll telephone, and can get inventory at any time, make the utilization of the more effective management resource of management level.(4) called number of record toll telephone is dialled and is cried the time, the duration of call, and selected IP route makes the user accomplish to know what's what to the use of IP phone.
5, this equipment is multichannel, is convenient to unified management, more can use on subordinate machine system, is more suitable for the business user than existing dialer.
6, needn't change facsimile machine, this equipment can be got fax by IP network, make the user save more expenses.
For structure of the present utility model, feature and effect thereof are had further understanding, enumerate specific embodiment now and be described with reference to the accompanying drawings as follows:
Description of drawings:
Fig. 1 is the block diagram of existing dialing device.
Fig. 2 is a block diagram of the present utility model.
Fig. 3 is the utility model user near-end circuit diagram.
Fig. 4 is the circuit diagram of public digit receiver of the present utility model.
Fig. 5 is the circuit diagram of public impulse sender of the present utility model.
Fig. 6 is concrete application of the present utility model.
Embodiment
As shown in Figure 2, a kind of multichannel IP phone manager provided by the utility model comprises: user's near-end circuit, user's remote circuitry, the circuit that collects the digits, signaling circuit, interface circuit and central processing unit, wherein; The annexation of user's remote circuitry, interface circuit and central processing unit is art technology person to be known, and does not do detailed description.
This user's near-end circuit and this user's remote circuitry are a plurality of; This collect the digits circuit and signaling circuit are a plurality of public digit receivers and a plurality of public impulse sender;
Be provided with a switched circuit, this switched circuit is connected, and connects central processing unit by interface circuit with above-mentioned a plurality of user's near-end circuit, a plurality of user's remote circuitry, a plurality of public digit receiver, a plurality of public impulse sender.
This switched circuit is that the exchange chip of 8980 series is formed, and per 4 the tunnel use a slice exchange chip.This serial exchange chip normally is used for telephone exchange, and its annexation is known by those skilled in the art, does not do detailed description at this.
Owing to adopted exchange chip, can according to the process needs, finish the multiple function that continues by the program setting of central processing unit.As: the dtmf signal of far-end is received digit receiver, the dtmf signal of near-end is received digit receiver, the dtmf signal that impulse sender sends is received user's remote circuitry etc.When not needing to connect, switched circuit can disconnect corresponding contact by the instruction of central processing unit again.
Exchange chip can be finished the operation of a plurality of contacts, provides the information of a plurality of ports to central processing unit, so this product can realize that multichannel generation dials and management function.
Be in a plurality of user's near-end circuit of the present utility model as shown in Figure 3, in these a plurality of user's near-end circuit each all is made up of internal and external line diverter switch, constant-current source, wherein: the internal and external line diverter switch is a double-contact relay, its two normally closed contact makes phone meet the LB0 and the AA0 of user's remote circuitry, directly communicates with outside line; Its two normal opened contact makes this phone be connected in series this constant-current source; This constant-current source is made up of triode Q20, Q40; Triode Q20 constitutes amplifying circuit, and its collector electrode is by clamping diode circuit connection interface circuit, to detect the state (off-hook or on-hook) of receiver off-book or on-hook; The collector electrode of triode Q30 is by capacitor C 050 connection interface circuit, and the dtmf signal that phone is sent when the interior line states is delivered and changed circuit; This relay coil is connected in series a switching tube Q10, and the base stage of switching tube Q10 is with K0 connection interface circuit; Whether the first number that central processing unit is transfered according to the family is differentiated is long-distancely to send instruction and carry out inside and outside line and switch; If not long-distance, then K0 is " 0 ", and Q10 ends, and relay is failure to actuate, and phone meets the LB0 and the AA0 of user's remote circuitry, directly communicates with outside line; If long-distance, then K0 is " 1 ", the Q10 conducting, and the actuating of relay, Q30, Q40 provide circulation to phone, provide the phone state by the RC0 point to interface circuit; By the C050 switched circuit double-tone frequency (DTMF) signal that phone sends is delivered to shared digit receiver via switched circuit.
Each this user's near-end circuit connects a phone, can form 4,8,16,32,,,, various configurations.M0, N0 are two lines of the machine of answering the call among the figure, and LB0 and AA0 connect outer telephone wire by user's remote circuitry.During transmitting number, relay normally open point adhesive, Q30 and Q40 are constant-current sources, for phone provides circulation, two audio number of phone being sent by C050 are passed through switching networks and are delivered to public digit receiver.
Adopt triode Q20 output to detect the phone state to RC0 by clamp circuit, during according to the utility model forwardings fully with the characteristics of external circuit disconnection, photoelectricity certificate that need not be common is closed device, can simplify circuit.
Shown in Figure 4 is the circuit diagram of public digit receiver of the present utility model.This public digit receiver is made up of a plurality of unit circuit that collects the digits, and each unit circuit that collects the digits is made of by 8880 digit receiver chip model, connects decoder by inverter in the interface circuit, IN-by resistance after connect switched circuit by capacitor C 010; All the other each pin connect in accordance with regulations; This digit receiver is controlled by central processing unit, receives double-tone frequently during number at needs, and the digit receiver of free time is connected by switched circuit with corresponding near-end or remote circuitry, and the double-tone frequency number of its reception is read by central processing unit by interface circuit.
This public digit receiver, used quantity is by 4 tunnel, 8 tunnel, 16 tunnel, 32 tunnel, 64 tunnel configurations.Receive the double-audio signal that phone sends by switching network.
Fig. 5 is the circuit of public impulse sender of the present utility model.This public impulse sender by central processing unit control, is sent out double-tone frequently during number at needs, and the impulse sender of free time is connected by switched circuit with corresponding remote circuitry, and the double-tone frequency number that produces is sent on the outside line by remote circuitry.This public impulse sender is made up of a plurality of unit signaling circuit, and each unit signaling circuit is made of by 8880 the digit receiver chip of sending out model; Two audio number are sent out in the D0-D3 pin decision of this chip, meet the SD0-SD3 of external bus, and the latch in the TONEEN connection interface circuit is also controlled by it, and the duration and the bit interval of dtmf signal sent in decision; TONE OUT pin connects switched circuit through buffer amplifier circuit by capacitor-coupled; This public impulse sender is controlled by central processing unit, sends out double-tone frequently during number at needs, and the impulse sender of free time is connected by switched circuit with corresponding remote circuitry, and the double-tone frequency number that produces is sent on the outside line by remote circuitry.This public impulse sender, used quantity is by 4 tunnel, 8 tunnel, 16 tunnel, 32 tunnel, 64 tunnel configurations.
This equipment is positioned at before the phone, and the outside line from switch inserts the outside line of this equipment, receives on the phone from the interior lines of this equipment again.As shown in Figure 6:
This equipment is to place on the subscriber's telephone line, when the phone off-hook, after receiving the number that the user dials, judge whether it is toll telephone, relay is isolated internal and external line, this equipment is given the phone feed by interior lines, continues to receive called number, and central processing unit is then selected suitable toll route according to trunk code, and the IP Number for access that sets dialed away by the outside line impulse sender, transmit called number simultaneously, after called connection, connect internal and external line.In number process of sending out, the user is unheard fully, and like this, the user just can insert suitable IP route with the mode of dialing common toll telephone.
Claims (4)
1, a kind of multichannel IP phone manager, comprising: user's near-end circuit, user's remote circuitry, the circuit that collects the digits, signaling circuit, interface circuit and central processing unit is characterized in that:
This user's near-end circuit and this user's remote circuitry are a plurality of; This collect the digits circuit and signaling circuit are a plurality of public digit receivers and a plurality of public impulse sender;
Be provided with a switched circuit, this switched circuit is connected, and connects central processing unit by interface circuit with above-mentioned a plurality of user's near-end circuit, a plurality of user's remote circuitry, a plurality of public digit receiver, a plurality of public impulse sender.
2, multichannel IP phone manager according to claim 1, it is characterized in that: each in these a plurality of user's near-end circuit all is made up of internal and external line diverter switch, constant-current source, wherein: the internal and external line diverter switch is a double-contact relay, its two normally closed contact makes phone meet the LB0 and the AA0 of user's remote circuitry, directly communicates with outside line; Its two normal opened contact makes this phone be connected in series this constant-current source; This constant-current source is made up of triode Q20, Q40; Triode Q20 constitutes amplifying circuit, and its collector electrode is by the RC0 end of clamping diode circuit connection interface circuit, to detect the state of receiver off-book or on-hook; The collector electrode of triode Q30 is by capacitor C 050 connection interface circuit, and the dtmf signal that phone is sent when the interior line states is delivered and changed circuit; This relay coil is connected in series a switching tube Q10, and the base stage of switching tube Q10 is with K0 connection interface circuit.
3, multichannel IP phone manager according to claim 1, it is characterized in that: this public digit receiver is made up of a plurality of unit circuit that collects the digits, each unit circuit that collects the digits is made of the digit receiver chip, the SD0-SD3 of external bus in this chip Q1-4 pin connection interface circuit, STD pin connection interface circuit, the TOE pin is the Enable Pin of transceiver, connects decoder by inverter in the interface circuit, and IN-is by resistance and connect after connect switched circuit by capacitor C 010.
4, multichannel IP phone manager according to claim 1, it is characterized in that: this public impulse sender is made up of a plurality of unit signaling circuit, and each unit signaling circuit is constituted by sending out the digit receiver chip; Two audio number are sent out in the D0-D3 pin decision of this chip, meet the SD0-SD3 of external bus, TONEEN connection interface circuit, and the duration and the bit interval of dtmf signal sent in decision; TONE OUT pin connects switched circuit through buffer amplifier circuit by capacitor-coupled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02254601 CN2575921Y (en) | 2002-09-09 | 2002-09-09 | Low-voltage power source movable lamp control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02254601 CN2575921Y (en) | 2002-09-09 | 2002-09-09 | Low-voltage power source movable lamp control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2575921Y true CN2575921Y (en) | 2003-09-24 |
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ID=33723368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02254601 Expired - Fee Related CN2575921Y (en) | 2002-09-09 | 2002-09-09 | Low-voltage power source movable lamp control circuit |
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| Country | Link |
|---|---|
| CN (1) | CN2575921Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108282590A (en) * | 2017-12-22 | 2018-07-13 | 中国电子科技集团公司第三十研究所 | A kind of multichannel dialing control system and control method |
-
2002
- 2002-09-09 CN CN 02254601 patent/CN2575921Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108282590A (en) * | 2017-12-22 | 2018-07-13 | 中国电子科技集团公司第三十研究所 | A kind of multichannel dialing control system and control method |
| CN108282590B (en) * | 2017-12-22 | 2020-04-03 | 中国电子科技集团公司第三十研究所 | Multi-path dialing control system |
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| Date | Code | Title | Description |
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| 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 |