CN104796521B - A kind of dispatching exchange network route test automatic answering device and its method - Google Patents
A kind of dispatching exchange network route test automatic answering device and its method Download PDFInfo
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- CN104796521B CN104796521B CN201510194401.XA CN201510194401A CN104796521B CN 104796521 B CN104796521 B CN 104796521B CN 201510194401 A CN201510194401 A CN 201510194401A CN 104796521 B CN104796521 B CN 104796521B
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Abstract
The invention discloses a kind of dispatching exchange network to route test automatic answering device and its method, including ring detection unit, DC/DC power circuits, phone takes machine testing unit, single-chip microcomputer, off-hook control circuit and voice transmitting element, wherein, ring detection unit connects interchanger by telephone wire, the bell signal of desampler, DC/DC power circuits, phone takes machine testing unit to pass through phone line parallel with ring detection unit, phone takes machine testing unit rear end to connect telephone set, DC/DC power circuits, phone takes machine testing unit to be all connected with single-chip microcomputer with ring detection unit, single-chip microcomputer carries out broadcast control, off-hook control circuit is driven to start, off-hook control circuit connects voice transmitting element, it is controlled to play the voice recorded, carry out phone auto-dial testing.The present invention being capable of passive function of supplying power and automatic answer function.
Description
Technical field
The present invention relates to a kind of dispatching exchange network to route test automatic answering device and its method.
Background technology
Power scheduling is the important core department of power grid operation, and dispatching telephone is important commander's hand of power scheduling
One of section.While dispatching telephone switching network scale constantly expands, the structure of network is increasingly complicated, to realize in the multistage of phone
After the automatic roundabout of route, along with occurring, phone actual selection route is difficult to judge, alternate path state can not be supervised in real time
The problems such as control.In order to improve dispatching telephone reliability, the guarantee of power scheduling production is carried out, it is necessary to strengthen to dispatching telephone exchange
The close tour of network and dispatching telephone.
Network routing state test is carried out using manual dialing test and the method manually to receive calls at present, existed following
Railway Project：
(1) if normal production number is engaged when the upper personnel that stand answer test phone, can not just realize normal
Call, has a strong impact on normal dispatching telephone business；
(2) if manual testing number is excessively frequent, it will give and dispatch the increase that person on duty causes workload, but testing
The low running status that cannot ensure to real-time monitor scheduling exchange network of number frequency；
(3) phone testing is carried out using manual type, it is low takes longer and waste of manpower cost, operating efficiency；
(4) carried forward vigorously as transformer station is unattended, future will not have operator on duty to coordinate completion phone testing work
Make, line test work is absorbed in bottleneck.
Need a kind of design dispatching exchange network route test automatic answering device badly, electric power administrative switched telephone network and remove
Center station is needed outside phone auto-dial testing device, it is also necessary to is increased phone automatic-answering back device terminal on each telephone terminal circuit and is entered
Row assists detection, solves the above problems.
The content of the invention
The present invention is in order to solve the above problems, it is proposed that a kind of dispatching exchange network route test automatic answering device and its
Method, the present apparatus can complete the automatic-answering back device of dispatching exchange network test phone, complete call test.
To achieve these goals, the present invention adopts the following technical scheme that：
A kind of dispatching exchange network route test automatic answering device, including ring detection unit, DC/DC power circuits,
Phone takes machine testing unit, single-chip microcomputer, off-hook control circuit and voice transmitting element, wherein, ring detection unit passes through phone
Line connects interchanger, the bell signal of desampler, and DC/DC power circuits, phone take machine testing unit and ring to detect list
Member is by phone line parallel, and phone takes machine testing unit rear end to connect telephone set, and DC/DC power circuits, phone take machine testing list
Member is all connected with single-chip microcomputer with ring detection unit, and single-chip microcomputer carries out broadcast control, and driving off-hook control circuit starts, off-hook control
Circuit connects voice transmitting element, controls it to play the voice recorded, and carries out phone auto-dial testing.
Loop current detection circuit is provided between the ring detection unit and interchanger, is identified by detection loop electric current
The getting machine of phone, the nonrecognition when loop current is less than 5mA, to take machine.
The DC/DC power circuits control power taking electric current is no more than 3mA.
By the outside line mouth of original call machine line extraction insertion automatic answering device during the automatic answering device installing, then from
The phone port of automatic answering device is wired to telephone set.
For the interchanger to ringing telephone stations, automatic answering device detects automatic start after ring twice, can after startup
Operating current is obtained, starts voice transmitting element and the DTMF Number Voices pre-recorded three times, power supply words automatic poking is sent to user's line
Survey device detection DTMF numbers.
Ring detection unit：Differentiate ringing signal, ringing signal is detected by bell flowing detecting circuit.
Power circuit：Using feed power taking technology, pass through voltage needed for transformation offer system.
Phone takes machine testing unit：Obtain phone and take machine status signal, used for single-chip microcomputer processing.
Single-chip microcomputer processing：Obtain automatic answering device input state in real time by single-chip microcomputer, by internal clocking, broadcast
Sound control system, realize that voice is sent, and by off-hook control circuit, there is provided and machine is answered.
Off-hook control circuit：Differentiate off hook state, used for single-chip microcomputer processing.
Voice transmitting element：Voice data, and digital-to-analogue conversion is realized, send voice signal.
A kind of method of work based on said apparatus, comprises the following steps：
(1) ring detection unit monitors the electric current of telephone wire line in real time, when electric current twice in succession and above produce change,
And each variable quantity, when being all higher than given threshold, ring detection unit is judged as sending a telegram here, and sends a signal to single-chip microcomputer, has informed
Incoming call；
(2) single-chip microcomputer reception signal, mode decision is operated, if test phone, which is in, uses independent Number pattern,
The loop opening between phone and interchanger is then controlled, establishes and converses with interchanger, be transferred to step (3)；If test at phone
When with other phone string use patterns, step (4) is transferred to；
(3) single-chip microcomputer plays out Voice command, and the automatic recording for playing recording is sent to user's line, plays three times, uses
Family line judges whether each recording is correct, if all correct, this route lines have no problem, and otherwise, represents line route
Road is faulty；
(4) phone takes machine testing unit, judges to test whether phone is the state of answering, and answers state if non-, repeats to walk
Suddenly (3), if answering state, then off-hook control circuit provide and machine answer, playback, prompt user dial setting by
Key, three times, whether the button that monolithic machine testing user presses is setting button, if it is, illustrating that this route for continuous prompting
Circuit has no problem, and otherwise, represents that route lines are faulty.
The present invention operation principle be：Original call machine line is extracted into insertion automatic answering device outside line mouth, then from response
Device phone port is wired to telephone set.Automatic answering device power consumption very little, voltage can be obtained from convertor user line feed for super
The single-chip microcomputer of low-power consumption uses.For interchanger to ringing telephone stations, automatic answering device detects automatic start after ring twice, opens
Larger operating current can be obtained after dynamic, sends what is pre-recorded three times from trend user line for starting sound circuit and amplifying circuit
10 seconds DTMF Number Voices, power supply words auto-dial testing device detection DTMF numbers.
Beneficial effects of the present invention are：
1st, the device being capable of the passive function of supplying power of realization device；
2nd, the device can phone realize automatic answer function；
3rd, the device can store touch-tone signal, signal can be entered into device；
4th, the device can realize the route test of dispatching exchange network.
Brief description of the drawings
Fig. 1 is the operation principle schematic diagram of the present invention；
Fig. 2 is the circuit connection diagram of the present invention.
Embodiment：
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, phone automatic answering device is controlled by the dedicated test single-chip microcomputer of super low-power consumption, mainly
Formed comprising DC/DC power circuits, ring detection unit, off-hook control circuit and voice transtation mission circuit.
Telephone wire power taking technology：Telephone line standard feed voltage is direct current 48V, and general interchanger passes through detection loop electricity
The getting machine of stream identification phone, when loop current is less than 5mA, nonrecognition is to take machine.For guarantee phone automatic answering device and simultaneously
The telephone set connect can obtain effective power supply from telephone line idle condition, while getting during ring will not be caused to judge by accident, electricity
Words automatic answering device should control power taking electric current to be no more than 3mA.5V maximum functionals electricity is obtained finally by the efficiency of DC/DC power supplys 80%
20mA is not to be exceeded in stream.
Using the dedicated test single-chip microcomputer of super low-power consumption【Exemplary operation electric current is about 11mA】Examined by ring detection unit
The bell signal surveyed on telephone wire, control off-hook control circuit to start after recognizing ring twice, can now be obtained from telephone wire
Larger operating current supply speech chip uses, and speech chip plays the 10 seconds DTMF to pre-record by voice transtation mission circuit automatically
Number Voice, automatic hand-up cut-out after playing three times, completes line test.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, model not is protected to the present invention
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need to pay various modifications or deformation that creative work can make still within protection scope of the present invention.
Claims (4)
1. a kind of dispatching exchange network route test automatic answering device, it is characterized in that：Including ring detection unit, DC/DC electricity
Source circuit, phone take machine testing unit, single-chip microcomputer, off-hook control circuit and voice transmitting element, wherein, ring detection unit is led to
Telephone wire connection interchanger is crossed, the bell signal of desampler, DC/DC power circuits, phone take machine testing unit and ring
Detection unit is by phone line parallel, and phone takes machine testing unit rear end to connect telephone set, and DC/DC power circuits, phone take machine
Detection unit is all connected with single-chip microcomputer with ring detection unit, and single-chip microcomputer carries out broadcast control, and driving off-hook control circuit starts, plucked
Machine control circuit connects voice transmitting element, controls it to play the voice recorded, and carries out phone auto-dial testing；
Loop current detection circuit is provided between the ring detection unit and interchanger, phone is identified by detection loop electric current
Getting machine, when loop current is less than 5mA, nonrecognition is takes machine；
The DC/DC power circuits control power taking electric current is no more than 3mA；
Original call machine line extracted to the outside line mouth of insertion automatic answering device during automatic answering device installing, then from automatic
The phone port of answering device is wired to telephone set；
The ring detection unit monitors the electric current of telephone wire line in real time, when electric current twice in succession and above produce change, and
When each variable quantity is all higher than given threshold, ring detection unit is judged as sending a telegram here, and sends a signal to single-chip microcomputer, has informed and
Electricity, single-chip microcomputer reception signal, is operated mode decision, if test phone, which is in, uses independent Number pattern, control electricity
Loop opening between words and interchanger, establish and converse with interchanger, single-chip microcomputer plays out Voice command, and automatic play is recorded
Recording be sent to user's line, play three times, user's line judges whether each recording correct, if all correctly, Ze Gaitiao roads
Had no problem by circuit, otherwise, represent that route lines are faulty；If test phone to be in and other phone string use patterns
When, phone takes machine testing unit, judges to test whether phone is the state of answering, answers state if non-, single-chip microcomputer plays out
Voice command, the automatic recording for playing recording are sent to user's line, played three times, just whether user's line judge each recording
Really, if all correct, this route lines have no problem, and otherwise, represent that route lines are faulty, if answering state,
Then off-hook control circuit is provided and machine is answered, playback, prompts user to dial setting button, continuous to prompt three times, single-chip microcomputer
Whether the button that detection user presses is setting button, if it is, illustrating that this route lines have no problem, otherwise, is represented
Route lines are faulty.
2. a kind of dispatching exchange network route test automatic answering device as claimed in claim 1, it is characterized in that：The exchange
For machine to ringing telephone stations, automatic answering device detects automatic start after ring twice, and operating current can be obtained after startup, starts
Voice transmitting element sends the DTMF Number Voices pre-recorded three times to user's line, and power supply words auto-dial testing device detects No. DTMF
Code.
3. a kind of dispatching exchange network route test automatic answering device as claimed in claim 1, it is characterized in that：The monolithic
Machine obtains automatic answering device input state in real time, by internal clocking, carries out broadcast control, realizes that voice is sent, and by
Off-hook control circuit, there is provided and machine is answered.
A kind of 4. work of the dispatching exchange network route test automatic answering device based on as any one of claim 1-3
Make method, it is characterized in that：Comprise the following steps：
(1) ring detection unit monitors the electric current of telephone wire line in real time, when electric current produces change twice in succession and above, and often
When secondary variable quantity is all higher than given threshold, ring detection unit is judged as sending a telegram here, and sends a signal to single-chip microcomputer, has informed and
Electricity；
(2) single-chip microcomputer reception signal, mode decision is operated, if test phone, which is in, uses independent Number pattern, controlled
Loop opening between phone and interchanger processed, establish and converse with interchanger, be transferred to step (3)；If test phone be in and
During other phone string use patterns, step (4) is transferred to；
(3) single-chip microcomputer plays out Voice command, and the automatic recording for playing recording is sent to user's line, plays three times, user's line
Judge whether each recording is correct, if all correct, this route lines have no problem, and otherwise, represent that route lines have
Failure；
(4) phone takes machine testing unit, judges to test whether phone is the state of answering, state, repeat step are answered if non-
(3), if answering state, then off-hook control circuit is provided and machine is answered, playback, prompts user to dial setting button,
Three times, whether the button that monolithic machine testing user presses is setting button, if it is, illustrating this route lines for continuous prompting
Have no problem, otherwise, represent that route lines are faulty.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510194401.XA CN104796521B (en) | 2015-04-22 | 2015-04-22 | A kind of dispatching exchange network route test automatic answering device and its method |
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| CN201510194401.XA CN104796521B (en) | 2015-04-22 | 2015-04-22 | A kind of dispatching exchange network route test automatic answering device and its method |
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| CN104796521A CN104796521A (en) | 2015-07-22 |
| CN104796521B true CN104796521B (en) | 2017-12-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113438371A (en) * | 2021-07-23 | 2021-09-24 | 国网青海省电力公司信息通信公司 | Method, device and system for automatically answering telephone |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102665012A (en) * | 2012-05-02 | 2012-09-12 | 江苏南大数码科技有限公司 | Device for automatically inspecting remote call voice inquiry platform failure |
| CN203482284U (en) * | 2013-10-17 | 2014-03-12 | 国家电网公司 | Electric power department voice channel-testing system capable of realizing automatic answering function |
| CN204598095U (en) * | 2015-04-22 | 2015-08-26 | 国家电网公司 | A kind of dispatching exchange network route test automatic answering device |
-
2015
- 2015-04-22 CN CN201510194401.XA patent/CN104796521B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102665012A (en) * | 2012-05-02 | 2012-09-12 | 江苏南大数码科技有限公司 | Device for automatically inspecting remote call voice inquiry platform failure |
| CN203482284U (en) * | 2013-10-17 | 2014-03-12 | 国家电网公司 | Electric power department voice channel-testing system capable of realizing automatic answering function |
| CN204598095U (en) * | 2015-04-22 | 2015-08-26 | 国家电网公司 | A kind of dispatching exchange network route test automatic answering device |
Non-Patent Citations (2)
| Title |
|---|
| 嵌入式电话自动拨测系统的设计与实现;刘顺成等;《科学技术与工程》;20080531;第8卷(第9期);第2454-2458页 * |
| 电话拨测模块软件的研究;朱红;《中国优秀硕士学位论文全文数据库》;20100415;参见第2.2-2.3节、3.3.4节，图2.1、3.3、3.4 * |
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Inventor after: Sun Lili Inventor after: Zhao Lianzeng Inventor after: Liu Xiaoyun Inventor after: Zhang Yong Inventor after: Cao Xinzhi Inventor after: Li Liang Inventor before: Sun Lili Inventor before: Zhao Lianzeng Inventor before: Liu Xiaoyun Inventor before: Cao Xinzhi Inventor before: Li Liang |
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Address after: 250001 Shandong City, Ji'nan province by the Central Road No. two, No. 150 Applicant after: State Grid Shandong Electric Power Company Information Communication Company Applicant after: State Grid Corporation of China Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant before: State Grid Corporation of China Applicant before: State Grid Shandong Electric Power Company Information Communication Company |
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