CN2927538Y - Telephone circuit fault alarming device - Google Patents
Telephone circuit fault alarming device Download PDFInfo
- Publication number
- CN2927538Y CN2927538Y CN 200620018895 CN200620018895U CN2927538Y CN 2927538 Y CN2927538 Y CN 2927538Y CN 200620018895 CN200620018895 CN 200620018895 CN 200620018895 U CN200620018895 U CN 200620018895U CN 2927538 Y CN2927538 Y CN 2927538Y
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- power supply
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Abstract
The utility model belongs to an assistant electronic device of telephone which alarms when the telephone circuit is in trouble. The utility model comprises a commutating-detecting circuit, a logical speech control circuit, a speech synthesis circuit, a driving-magnifying circuit and a power-indicating circuit, etc. The device can monitor the condition of the telephone circuit in an effective way, alarms in sound in the event of short circuit, electric wire breaking off and confusing, etc, and reminds the user to remove the malfunction in time avoiding the loss caused by circuit malfunction. The device has the advantages of less elements, convenient operation, robustness, accurate alarm and efficient monitoring.
Description
Technical field
The utility model relates to a kind of telephone set auxiliary electronic device with telephone line fault alarm function.
Background technology
Along with the continuous development of communication career, phone has become requisite liaison method and office tools.Yet because the influence of various factors makes telephone line that faults such as telephone wire short circuit, broken string, swinging cross take place often; Existing telephone line fault generally is to accuse to the telecommunication department Shen after the user finds, carry out repair process by telecommunication department, from line fault to the discovery fault is long process, have only as the user to reuse phone and find that just the phone is out of order, this time generally all will half an hour between the several hrs.Phone is as office, enterprise, unit, individual important office tools and agencies of liaison, in case the telephone line fault takes place, causes phone normally to use, if the user can't learn immediately that fault takes place, this with normally the carrying out of work delays, will cause very serious consequence, all the more so for some industries and special place, for example bank, hospital, security against fire, government offices and each family; To this, telecommunication department and phone user wish can solve this difficult problem, but never be solved; And do not find the product of telephone line fault alarm in the market.
Summary of the invention
The purpose of this utility model provides a kind of telephone set auxiliary electronic device, the purpose of reporting to the police automatically during faults such as the realization telephone line is short-circuited, broken string, swinging cross.
The purpose of this utility model is such realization, it is characterized in that it and outside line, telephone set are linked together, and are made up of signal rectification testing circuit, logic voice control circuit, sound-compound-circuit, promotion amplifying circuit, power indicating circuit; Under the telephone line normal condition, the A3 of the signal rectification testing circuit that is connected with telephone wire, the direct voltage of B3 line is through diode rectification bridge circuit 2CZ1-4 rectification, the A line that guarantees circuit is anodal, the B line is a negative pole, pact+48V voltage is through resistance R 1 current limliting step-down on circuit A line, voltage stabilizing didoe 2CW voltage stabilizing, form the signal rectification testing circuit to B line negative pole, and in the formation 5V left and right sides, voltage stabilizing didoe 2CW two ends voltage difference, capacitor C 1 keeps voltage stabilizing didoe 2CW two ends that lasting 5V left and right sides voltage is arranged under ringing condition, voltage stabilizing didoe 2CW positive pole is delivered to the logic voice control circuit with 5V voltage, through resistance R 2 to the b utmost point of triode 3G1 to e best power supply E negative pole, make triode 3G1 conducting; Present logic low at the C of the triode 3G1 utmost point, deliver to 2 pin of the speech chip 10535 of sound-compound-circuit, speech chip is quit work do not report to the police.When the telephone line fault takes place, can not get 5V voltage at voltage stabilizing didoe 2CW two ends, the triode 3G1 of logic control circuit ends, and 2 pin of the speech chip 10535 of sound-compound-circuit obtain power supply E and send high level here through resistance R 4, make sound-compound-circuit work; 4 pin of speech chip 10535 are sent high level to the triode 3G2 that promotes amplifying circuit, make triode 3G2 conducting, form the loop with loud speaker Y and power supply E, promote loud speaker Y sounding alarm.Simultaneously, use for convenience, it also has A1, B1 line with A3, the corresponding connection of B3 line difference except having A3, B3 line; Realization links to each other simultaneously with host interface line A4, the B4 line of A0, B0 line and the telephone set of outside line, A3, B3 line are connected with A0, the B0 line of outside line, A1, B1 line link to each other with host interface line A4, the B4 line of telephone set, and promptly it is serially connected between outside line and the telephone set, is applicable to the telephone set that has or do not have the extension set interface simultaneously; For warning that can be more stable, it is in parallel with power supply E that it also has an external power supply slot E1, makes the user have the more work supply power mode to select.
Owing to adopted such scheme, utilize direct voltage that telephone line provides as the signal acquisition source, in case the short circuit of circuit generation telephone wire, faults such as broken string, swinging cross, the warning of promptly sounding of alarm loud speaker, so can inform in time that the user takes measures; The utility model is as the telephone set auxiliary electronic device, can the effective monitoring telephone line the whether normal and warning of when fault takes place, sounding at once, in time notice subscriber complaint fault restoration makes the user avoid the various losses that cause because of line fault, communicating interrupt, contact interruption; This device element is few, and circuit is simple and reliable; This device can directly be connected between outside line and the telephone set, and telephone line is had no effect, and plays the fault alarm effect of order monitoring phone at night circuit; Simultaneously, because it is to utilize direct voltage that telephone line provides as the signal acquisition source, therefore can also realize the purpose of telephone line cable cutting-theft-proof alarm; The more important thing is that its can be used for fault alarm into fixed telephone line by general user, it is simple to operate, easy to use, circuit is reliable and stable, report to the police promptly and accurately, and can be widely used in places such as office, enterprise, unit, individual family, can and be contained on any subscriber's telephone line, and easy for installation, lineman, with can oneself finishing installation per family.
Description of drawings
Fig. 1 is the utility model functional-block diagram;
Fig. 2 is the circuit theory diagrams of functional-block diagram shown in Figure 1;
Fig. 3 is the another kind of circuit theory diagrams of functional-block diagram shown in Figure 1;
Fig. 4 is a structure installation diagram of the present utility model.
Embodiment
Accompanying drawing is embodiment of the present utility model.
Below in conjunction with drawings and Examples the utility model is further specified.
Among Fig. 1,1 is the signal rectification testing circuit, and 2 is the logic voice control circuit, and 3 is sound-compound-circuit, and 4 for promoting amplifying circuit, and 5 is circuit such as power supply indication; 0 is outside line.
Circuit theory diagrams of the present utility model are provided by Fig. 2, in Fig. 2, the utility model and outside line, telephone set are linked together, and are made up of signal rectification testing circuit, logic voice control circuit, sound-compound-circuit, promotion amplifying circuit, power indicating circuit;＜1〉diode rectification bridge circuit 2CZ1-4, resistance R 1, voltage stabilizing didoe 2CW, the capacitor C 1 be made up of 4 diodes of described signal rectification testing circuit formed, it is connected with extension set interface line A2, the B2 line of telephone set by A3, B3 line on the one hand, links to each other with the logic voice control circuit on the other hand;＜2〉described logic voice control circuit is made up of resistance R 2, resistance R 3, triode 3G1, and it connects the signal rectification testing circuit on the one hand, connects sound-compound-circuit on the one hand;＜3〉sound-compound-circuit is made up of speech chip 10535, and it connects the logic voice control circuit by 2 pin of speech chip 10535 on the one hand, and 4 pin by speech chip 10535 connect the promotion amplifying circuit on the one hand;＜4〉promote amplifying circuit and be made up of resistance R 6, triode 3G2, loud speaker Y, it connects sound-compound-circuit on the one hand, connects power indicating circuit on the one hand;＜5〉power indicating circuit is made up of light-emitting diode 2CF, resistance R 7, power supply E, K switch, and it is connected with the promotion amplifying circuit.
In Fig. 2, between the A3 of＜1〉signal rectification testing circuit, the B3 line, be in series with diode rectification bridge circuit 2CZ1-4, the output of diode rectification bridge circuit 2CZ1-4 is respectively A, B line; Behind the series resistance R1, voltage stabilizing didoe 2CW, capacitor C 1 are connected in parallel between A line and the B line in turn on the A line, and the B line directly links to each other with the negative pole of power supply E;＜2〉be in series with resistance R 2 between the base stage b of triode 3G1 and the resistance R 1, be in series with resistance R 3 between the base stage b of triode 3G1 and the B line, the emitter e of triode 3G1 directly links to each other with the negative pole of power supply E;＜3〉the collector electrode c of triode 3G1 links to each other with power supply E with resistance R 4, K switch back in sequential series, the collector electrode c of triode 3G1 directly links to each other with 2 pin of sound-compound-circuit by speech chip 10535,9 pin of speech chip 10535 directly link to each other with the negative pole of power supply E, in sequential series between the collector electrode c of triode 3G1 and 3 pin of speech chip 10535 have resistance R 4 and a resistance R 5, be in series with resistance R 4 between the collector electrode c of triode 3G1 and 1 pin of speech chip 10535, be in series with resistance R 6 between 4 pin of speech chip 10535 and the negative pole of power supply E;＜4〉4 pin of speech chip 10535 directly link to each other with the base stage b of triode 3G2, are in series with loud speaker Y between the collector electrode c of triode 3G2 and the K switch, and the emitter e of triode 3G2 directly links to each other with the negative pole of power supply E;＜5〉K switch, light-emitting diode 2CF, resistance R 7, in sequential series between the both positive and negative polarity of power supply E.
Circuit working process of the present utility model is as follows:
Telephone line just often, circuit is in static state: signal rectification testing circuit A3, B3 is connected on the A0 of telephone wire, B0 line or extension interface line A2, on the B2 line, under the telephone line normal condition, A3, the B3 line is through 4 diode rectification bridge circuit 2CZ1-4 rectification, the A line that guarantees circuit is+utmost point, the B line is an one-level, pact+48V voltage is through resistance R 1 current limliting step-down on circuit A line, voltage stabilizing didoe 2CW voltage stabilizing, form the signal rectification testing circuit to B line negative pole, at this moment form 5V left and right sides voltage difference at voltage stabilizing didoe 2CW two ends, capacitor C 1 keeps voltage stabilizing didoe 2CW two ends that lasting 5V left and right sides voltage is arranged under ringing condition, voltage stabilizing didoe 2CW positive pole is delivered to the logic voice control circuit with 5V voltage, through resistance R 2 to the b utmost point of triode 3G1 to e best power supply E negative pole, make triode 3G1 conducting; Present logic low at the C of the triode 3G1 utmost point, deliver to sound-compound-circuit 2 pin, speech chip 10535 is quit work; This device is by power supply E or external power supply slot E1 power supply.
When telephone line generation swinging cross, ground connection, during fault such as it mixes, broken string, cause that promptly line voltage distribution changes, circuit is in dynamically: signal rectification testing circuit A3, B3 are connected on A0, B0 line or extension interface line A2, the B2 line of telephone wire, A, B line 48V voltage change, can not get 5V voltage at voltage stabilizing didoe 2CW two ends, the triode 3G1 of logic control circuit is ended, 2 pin of the speech chip 10535 of sound-compound-circuit obtain power supply E and send high level here through resistance R 4, and sound-compound-circuit is started working.4 pin of speech chip 10535 are sent the b utmost point of high level to the triode 3G2 that promotes amplifying circuit, the positive voltage that the b utmost point obtains speech chip 10535 makes triode 3G2 conducting, positive pole forms the loop to negative pole to loud speaker Y to power supply E through the c of triode 3G2 through the e of the triode 3G2 utmost point, and telephone line fault warning purpose is alarmed, finished to the signal of sending of the speech chip 10535 of sound-compound-circuit through promoting, amplify and promoting loud speaker Y sounding; As power supply E or external power supply slot E1 power supply, started working after K switch was closed, and the luminous expression of light-emitting diode 2CF is arranged by the telephone line fault alarm by battery pack for this device.
In Fig. 3, the utility model device also has A1, B1 line with A3, the corresponding connection of B3 line difference except having A3, B3 line; Realization links to each other simultaneously with host interface line A4, the B4 line of A0, B0 line and the telephone set of outside line, A3, B3 line are connected with A0, the B0 line of outside line, A1, B1 line link to each other with host interface line A4, the B4 line of telephone set, and promptly it is serially connected between outside line and the telephone set.It is in parallel with power supply E that it also has an external power supply slot E1.
In Fig. 4, all elements are loaded on the wiring board 6, and are installed in the box body 7, and box body 7 has the slot 8 that is connected with outside line, also has the slot 9 that is connected with telephone set, the operating state of K switch control the utility model device circuit break-make.
The electronic component of mentioning in the Figure of description is as follows:
Resistance: R1-R7 electric capacity: C1
Diode rectification bridge circuit: 2CZ1-4 Zener diode: 2CW
Light emitting diode: 2CF triode: 3G1-3G2
Speech chip: 10535 loudspeakers: Y
Power supply: E external power supply slot: E1
Switch: K
Claims (5)
1, a kind of telephone line fault alarm is characterized in that: itself and outside line, telephone set are linked together, and are made up of signal rectification testing circuit, logic voice control circuit, sound-compound-circuit, promotion amplifying circuit, power indicating circuit;＜1〉bridge path rectification 2CZ1-4, resistance R 1, voltage stabilizing didoe 2CW, the capacitor C 1 be made up of 4 diodes of described signal rectification testing circuit formed, it is connected with extension set interface line A2, the B2 line of telephone set by A3, B3 line on the one hand, links to each other with the logic voice control circuit on the other hand;＜2〉described logic voice control circuit is made up of resistance R 2, resistance R 3, triode 3G1, and it connects the signal rectification testing circuit on the one hand, connects sound-compound-circuit on the one hand;＜3〉sound-compound-circuit is made up of speech chip 10535, and it connects the logic voice control circuit by 2 pin of speech chip 10535 on the one hand, and 4 pin by speech chip 10535 connect the promotion amplifying circuit on the one hand;＜4〉promote amplifying circuit and be made up of resistance R 6, triode 3G2, loud speaker Y, it connects sound-compound-circuit on the one hand, connects power indicating circuit on the one hand;＜5〉power indicating circuit is made up of light-emitting diode 2CF, resistance R 7, power supply E, K switch, and it is connected with the promotion amplifying circuit.
2, telephone line fault alarm according to claim 1, it is characterized in that:＜1 between the A3 of signal rectification testing circuit, B3 line, be in series with diode bridge rectification circuit 2CZ1-4, the output of diode bridge rectification circuit 2CZ1-4 is respectively A, B line; Behind the series resistance R1, voltage stabilizing didoe 2CW, capacitor C 1 are connected in parallel between A line and the B line in turn on the A line, and the B line directly links to each other with the negative pole of power supply E;＜2〉be in series with resistance R 2 between the base stage b of triode 3G1 and the resistance R 1, be in series with resistance R 3 between the base stage b of triode 3G1 and the B line, the emitter e of triode 3G1 directly links to each other with the negative pole of power supply E;＜3〉the collector electrode c of triode 3G1 links to each other with power supply E with resistance R 4, K switch back in sequential series, the collector electrode c of triode 3G1 directly links to each other with 2 pin of sound-compound-circuit by speech chip 10535,9 pin of speech chip 10535 directly link to each other with the negative pole of power supply E, in sequential series between the collector electrode c of triode 3G1 and 3 pin of speech chip 10535 have resistance R 4 and a resistance R 5, be in series with resistance R 4 between the collector electrode c of triode 3G1 and 1 pin of speech chip 10535, be in series with resistance R 6 between 4 pin of speech chip 10535 and the negative pole of power supply E;＜4〉4 pin of speech chip 10535 directly link to each other with the base stage b of triode 3G2, are in series with loud speaker Y between the collector electrode c of triode 3G2 and the K switch, and the emitter e of triode 3G2 directly links to each other with the negative pole of power supply E;＜5〉K switch, light-emitting diode 2CF, resistance R 7, in sequential series between the both positive and negative polarity of power supply E.
3, telephone line fault alarm according to claim 1 and 2 is characterized in that: it also has A1, B1 line with A3, the corresponding connection of B3 line difference except having A3, B3 line; Realization links to each other simultaneously with host interface line A4, the B4 line of A0, B0 line and the telephone set of outside line, A3, B3 line are connected with A0, the B0 line of outside line, A1, B1 line link to each other with host interface line A4, the B4 line of telephone set, and promptly it is serially connected between outside line and the telephone set.
4, telephone line fault alarm according to claim 1 and 2 is characterized in that: it is in parallel with power supply E that it also has an external power supply slot E1.
5, telephone line fault alarm according to claim 1 and 2 is characterized in that: all elements are loaded on the wiring board (6), and are installed in the box body (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620018895 CN2927538Y (en) | 2006-04-28 | 2006-04-28 | Telephone circuit fault alarming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620018895 CN2927538Y (en) | 2006-04-28 | 2006-04-28 | Telephone circuit fault alarming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2927538Y true CN2927538Y (en) | 2007-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620018895 Expired - Fee Related CN2927538Y (en) | 2006-04-28 | 2006-04-28 | Telephone circuit fault alarming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2927538Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108616664A (en) * | 2018-05-15 | 2018-10-02 | 安徽天卓信息技术有限公司 | A kind of telephone line health monitoring device |
-
2006
- 2006-04-28 CN CN 200620018895 patent/CN2927538Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108616664A (en) * | 2018-05-15 | 2018-10-02 | 安徽天卓信息技术有限公司 | A kind of telephone line health monitoring device |
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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 |