A power dispatch telephone answering system for a booster station

Abstract

The utility model provides a kind of booster station electric power dispatching telephone receiving system, comprising: by being arranged first pulse code modulation equipment, audio wiring cabinet, first fiber conversion device, first middle telephone receiving device, first ground telephone receiving device first splitter and second splitter in unmanned telephone station, second fiber conversion device, second middle telephone receiving device and second ground telephone receiving device are arranged in manned telephone station, when middle and ground center initiates dispatching telephone, unmanned telephone station and manned telephone station can receive dispatching telephone, so as to save manpower and material resources, lack of the case of on-duty personnel, ensure that every independent on-duty station can have on-duty personnel to receive telephone, and comply with the industry regulation of electric power dispatching.

Description

Technical Field

[0001] This utility model relates to the field of power dispatching technology, and in particular to a power dispatching telephone answering system for booster substations. Background Technology

[0002] Generally, in the dispatching of new energy power, each booster station needs to have an independent duty station, and each duty station needs to have personnel on duty to answer dispatch calls. When the dispatch center needs to dispatch a target booster station, it calls the independent duty station of the target booster station, and the duty personnel manually dispatch the booster station according to the instructions given in the phone call. However, if the target booster station does not have duty personnel, it cannot answer calls and carry out manual dispatch in a timely manner, and multiple duty stations require multiple duty personnel, which consumes manpower and resources. Therefore, it is urgent to solve the problem of how to ensure that each independent duty station has personnel to answer calls while saving manpower and resources and addressing the shortage of duty personnel. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a power dispatch telephone answering system for booster stations, so as to solve the problem of how to ensure that each independent duty station has duty personnel to answer the phone while saving manpower and material resources and lacking duty personnel.

[0004] To solve the above-mentioned technical problems, the technical solution of this invention is as follows: Central and regional survey centers, manned and unmanned telephone stations; The unmanned telephone station includes: The first pulse code modulation device is connected to the central and ground modulation centers; An audio wiring cabinet connected to the first pulse code modulation device; A first splitter and a second splitter connected to the audio distribution cabinet; A first intermediate-level telephone answering device connected to the first splitter; A first local telephone answering device connected to the second splitter; A first fiber optic conversion device connected to the first splitter and the second splitter; The manned telephone station includes: A second optical fiber conversion device connected to the first optical fiber conversion device; A second intermediate-mode telephone answering device and a second local-mode telephone answering device connected to the second optical fiber conversion device; When the central and local dispatch centers initiate a dispatch call, the first pulse code modulation device of the unmanned telephone station receives the telephone signal sent by the central and local dispatch centers and sends the telephone signal to the audio distribution cabinet. The audio distribution cabinet sends the signal to the first splitter, and the first splitter sends the signal to the first central dispatch telephone answering device and the first fiber optic conversion device. The first fiber optic conversion device converts the telephone signal into an optical signal, and the optical signal is sent to the second central dispatch telephone answering device via the second fiber optic conversion device. Alternatively, the audio distribution cabinet sends the signal to the second splitter, which then sends it to the first local telephone answering device and the first fiber optic converter. The first fiber optic converter converts the telephone signal into an optical signal, which is then sent to the second local telephone answering device via the second fiber optic converter.

[0005] Optionally, the audio distribution cabinet includes a signal splitting module for splitting the received telephone signal into a medium-modulation signal and a ground-modulation signal. The medium-modulation signal is used to send to the first splitter, and the ground-modulation signal is used to send to the second splitter.

[0006] Optionally, the first optical fiber conversion device includes: a first telephone optical terminal and a first optical fiber distribution cabinet; The first splitter and the second splitter are respectively connected to the first telephone optical terminal; The first telephone optical terminal is connected to the first optical fiber distribution cabinet; The first telephone optical terminal converts the received telephone signal into an optical signal and sends it to the first optical fiber distribution cabinet, which then sends it to the second optical fiber distribution cabinet.

[0007] Optionally, the second optical fiber conversion device includes: a second telephone optical terminal and a second optical fiber distribution cabinet; The first fiber optic distribution cabinet is connected to the second fiber optic distribution cabinet; The second telephone optical transceiver is connected to the second fiber optic distribution cabinet; The second intermediate dialing telephone answering device and the second local dialing telephone answering device are respectively connected to the second telephone optical transceiver; The second fiber optic distribution cabinet sends the received optical signal to the second telephone optical terminal, which converts the optical signal into a telephone signal and sends the telephone signal to the second central telephone receiving device or the second local telephone receiving device.

[0008] Optionally, both the central and regional survey centers include: Dispatch operator console; The scheduling switch is connected to the scheduling operator console; The second pulse code modulation device connected to the scheduling switch; The first pulse code modulation device is connected to the second pulse code modulation device; Telephone signals generated by making calls through the dispatch operator console are transmitted via the dispatch exchange to the second pulse code modulation device, and then from the second pulse code modulation device to the first pulse code modulation device.

[0009] Optionally, the dispatch operator console, the dispatch switch, and the second pulse code modulation device are connected via an audio telephone line; The first pulse code modulation device and the second pulse code modulation device are connected by a circuit.

[0010] Optionally, the first pulse code modulation device, the audio distribution cabinet, the first splitter, the second splitter, and the first fiber optic conversion device are connected via an audio telephone line.

[0011] Optionally, the first fiber optic distribution cabinet and the second fiber optic distribution cabinet are connected by fiber optic cables.

[0012] Optionally, the first telephone optical transceiver is connected to the first fiber optic distribution cabinet via a double-ended pigtail, and the second telephone optical transceiver is connected to the second fiber optic distribution cabinet via a double-ended pigtail.

[0013] The above-described solution of this utility model has at least the following beneficial effects: The above-mentioned solution of this utility model, by setting up a first pulse code modulation device, an audio distribution cabinet, a first optical fiber conversion device, a first central dispatch telephone answering device, a first local dispatch telephone answering device splitter and a second splitter in unmanned telephone stations, and setting up a second optical fiber conversion device, a second central dispatch telephone answering device and a second local dispatch telephone answering device in manned telephone stations, enables both unmanned and manned telephone stations to receive dispatch calls when the central and local dispatch centers initiate dispatch calls. This ensures that each independent duty station has duty personnel to answer calls while saving manpower and material resources and having fewer duty personnel, and complies with the industry regulations for power dispatch. Attached Figure Description

[0014] Figure 1 This is a schematic diagram illustrating an application scenario of a power dispatch telephone answering system for a booster station according to this utility model. Detailed Implementation

[0015] Exemplary embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this invention will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

[0016] like Figure 1 As shown, an embodiment of this utility model proposes a power dispatch telephone answering system for a booster station, including: a central dispatch center and a local dispatch center, manned telephone stations and unmanned telephone stations; The unmanned telephone station includes: The first pulse code modulation device is connected to the central and ground modulation centers; An audio wiring cabinet connected to the first pulse code modulation device; A first splitter and a second splitter connected to the audio distribution cabinet; A first intermediate-level telephone answering device connected to the first splitter; A first local telephone answering device connected to the second splitter; A first fiber optic conversion device connected to the first splitter and the second splitter; The manned telephone station includes: A second optical fiber conversion device connected to the first optical fiber conversion device; A second intermediate-mode telephone answering device and a second local-mode telephone answering device connected to the second optical fiber conversion device; When the central and local dispatch centers initiate a dispatch call, the first pulse code modulation device of the unmanned telephone station receives the telephone signal sent by the central and local dispatch centers and sends the telephone signal to the audio distribution cabinet. The audio distribution cabinet sends the signal to the first splitter, and the first splitter sends the signal to the first central dispatch telephone answering device and the first fiber optic conversion device. The first fiber optic conversion device converts the telephone signal into an optical signal, and the optical signal is sent to the second central dispatch telephone answering device via the second fiber optic conversion device. Alternatively, the audio distribution cabinet sends the signal to the second splitter, which then sends it to the first local telephone answering device and the first fiber optic converter. The first fiber optic converter converts the telephone signal into an optical signal, which is then sent to the second local telephone answering device via the second fiber optic converter.

[0017] In some optional embodiments, the audio distribution cabinet includes a signal splitting module for splitting the received telephone signal into a medium-modulation signal and a ground-modulation signal. The medium-modulation signal is used to send to the first splitter, and the ground-modulation signal is used to send to the second splitter.

[0018] In some alternative embodiments, the first pulse code modulation device, the audio distribution cabinet, the first splitter, the second splitter, and the first fiber optic conversion device are connected via an audio telephone line.

[0019] In this embodiment, the central and regional dispatch centers are used to initiate dispatch commands. Staff at the central and regional dispatch centers contact the on-duty personnel at manned or unmanned telephone stations via telephone. When a power grid anomaly occurs, staff at the central and regional dispatch centers need to immediately contact the on-duty personnel at the booster station via a dedicated dispatch telephone to conduct manual power dispatch.

[0020] In this embodiment, the first pulse code modulation device (i.e., PCM device) is used to receive analog telephone signals from the central and local dispatch centers, and to sample, quantize, and encode the analog voice signals to convert them into standard digital signals. It is the terminal device of the dispatch communication network (digital microwave or fiber optic network) at the booster station, ensuring that dispatch instructions can be transmitted to the station in digital form with high quality and over long distances.

[0021] In this embodiment, the audio distribution cabinet is a distribution frame / cabinet, which is used to receive digital signals from the first pulse code modulation device and connect them to different physical lines. That is, it distributes a telephone signal from the dispatch center to different paths simultaneously and in parallel.

[0022] In this embodiment, the first intermediate dispatch telephone answering device and the first local dispatch telephone answering device are dedicated dispatch telephones installed at unmanned telephone stations.

[0023] In this embodiment, the first fiber optic conversion device receives the electrical signal (telephone signal) from the audio distribution cabinet and modulates it into an optical signal. The optical signal is then transmitted via optical fiber to a manned telephone station located several kilometers or even tens of kilometers away. Because optical fiber transmission has strong anti-interference capabilities, low loss, and long distances, it saves manpower and resources.

[0024] In this embodiment, the second optical fiber conversion device is used to modulate and convert the received optical signal into an electrical signal (telephone signal).

[0025] In this embodiment, the second intermediate dispatch telephone answering device and the second local dispatch telephone answering device are dedicated dispatch telephones installed at manned telephone stations, used to receive electrical signals emitted by the second fiber optic conversion device.

[0026] In this embodiment, by setting up a first pulse code modulation device, an audio distribution cabinet, a first fiber optic converter, a first central dispatch telephone answering device, and a first local dispatch telephone answering device in unmanned telephone stations; and by setting up a second fiber optic converter, a second central dispatch telephone answering device, and a second local dispatch telephone answering device in manned telephone stations, the analog audio telephone signal is converted into an optical signal, saving manpower and resources. When the central and local dispatch centers initiate dispatch calls, both unmanned and manned telephone stations can receive the dispatch calls. This ensures that each independent duty station has a duty person to answer the phone even when there are few duty personnel, without violating the requirements of the dispatch center and meeting the needs of the owner.

[0027] In this embodiment, the first splitter and the second splitter are used to perform secondary distribution and redundancy backup of the electrical signals received from the audio distribution cabinet.

[0028] In this embodiment, a splitter is introduced, enabling the system to extend to multiple remote duty points, thus meeting the extremely high reliability requirements of power dispatching for communication.

[0029] In some alternative embodiments, the first optical fiber conversion device includes a first telephone optical terminal and a first optical fiber distribution cabinet; The first splitter and the second splitter are respectively connected to the first telephone optical terminal; The first telephone optical terminal is connected to the first optical fiber distribution cabinet; The first telephone optical terminal converts the received telephone signal into an optical signal and sends it to the first optical fiber distribution cabinet, which then sends it to the second optical fiber distribution cabinet.

[0030] In this embodiment, the first telephone optical transceiver is the core device for photoelectric conversion. It is used to receive electrical signals (telephone signals) from the first splitter and the second splitter respectively, and to modulate and convert these two signals into optical signals that can be transmitted in optical fibers.

[0031] In this embodiment, the first fiber optic distribution cabinet serves as the physical connection, distribution, and dispatch center for the fiber optic lines. It receives optical signals from the first telephone optical terminal and reliably connects to the long-distance transmission optical cable via fiber optic patch cords, directionally transmitting the optical signals carrying dispatch telephone information to the second fiber optic distribution cabinet in a remote manned telephone station.

[0032] In this embodiment, the first fiber optic conversion device is refined into a modular structure consisting of a first telephone optical transceiver and a first fiber optic distribution cabinet, clarifying the separation and collaboration of signal conversion and physical wiring functions. This improves the flexibility of system deployment and maintenance, facilitates independent debugging or replacement of the optical transceiver equipment, and ensures the standardization and reliability of fiber optic connections through standardized fiber optic distribution cabinets, further guaranteeing the stability and efficiency of the remote transmission link for dispatch telephone signals.

[0033] In some alternative embodiments, the second fiber optic conversion device includes: a second telephone optical terminal and a second fiber optic distribution cabinet; The first fiber optic distribution cabinet is connected to the second fiber optic distribution cabinet; The second telephone optical transceiver is connected to the second fiber optic distribution cabinet; The second intermediate dialing telephone answering device and the second local dialing telephone answering device are respectively connected to the second telephone optical transceiver; The second fiber optic distribution cabinet sends the received optical signal to the second telephone optical terminal, which converts the optical signal into a telephone signal and sends the telephone signal to the second central telephone receiving device or the second local telephone receiving device.

[0034] In some alternative embodiments, the first fiber optic distribution cabinet and the second fiber optic distribution cabinet are connected by optical fiber.

[0035] In some alternative embodiments, the first telephone optical transceiver is connected to the first fiber optic distribution cabinet via a pigtail, and the second telephone optical transceiver is connected to the second fiber optic distribution cabinet via a pigtail.

[0036] In this embodiment, the second fiber optic conversion device corresponds to the first fiber optic conversion device in the unmanned telephone station, and its core function is to complete the reception and reconstruction of remote optical signals. Specifically, the second fiber optic distribution cabinet is used for receiving optical signals on the manned telephone station side; it receives optical signals from the first fiber optic distribution cabinet in the unmanned telephone station via optical fiber. The second telephone optical transceiver is a key device for photoelectric conversion, responsible for accurately demodulating and reconstructing the optical signals transmitted from the second fiber optic distribution cabinet into standard analog telephone electrical signals.

[0037] In this embodiment, the first fiber optic distribution cabinet and the second fiber optic distribution cabinet are connected by optical fiber, forming a backbone transmission channel for dispatch telephone signals with long distance, low loss, and anti-interference between unmanned telephone stations and manned telephone stations.

[0038] In this embodiment, the first telephone optical transceiver and the first fiber optic distribution cabinet, as well as the second telephone optical transceiver and the second fiber optic distribution cabinet, are connected via pigtails. This connection method is a standard, reliable, and flexible device interconnection solution. A pigtail is a short fiber optic patch cord with fiber optic connectors (such as FC or SC type) at both ends. It can easily and reliably achieve physical optical path connection between the optical ports of the optical transceiver and the optical ports of the fiber optic distribution cabinet, facilitating construction cabling and subsequent maintenance, testing, or link adjustment.

[0039] This embodiment refines the second optical fiber conversion device into a second telephone optical terminal and a second optical fiber distribution cabinet, and clarifies the key connection media, thus forming a complete, clear, and standardized remote optical transmission and reception link. This makes the architecture of the entire system clearly hierarchical, enhances the system's reliability, maintainability, and scalability, and meets the requirements of the power dispatch communication system for long-term stable operation and high-standard maintenance.

[0040] In some alternative embodiments, both the central and regional survey centers include: Dispatch operator console; The scheduling switch is connected to the scheduling operator console; The second pulse code modulation device connected to the scheduling switch; The first pulse code modulation device is connected to the second pulse code modulation device; Telephone signals generated by making calls through the dispatch operator console are transmitted via the dispatch exchange to the second pulse code modulation device, and then from the second pulse code modulation device to the first pulse code modulation device.

[0041] In this embodiment, the dispatch operator console is the manual initiator of dispatch instructions. On-duty personnel initiate calls through the telephone terminal on the console. The dispatch exchange is the core switching equipment within the dispatch center, responsible for receiving call signals from the console and accurately connecting the call to the designated trunk port leading to the target booster station (unmanned telephone station) according to preset routing logic.

[0042] In this embodiment, the second pulse code modulation device is deployed on the dispatch center side, and its function corresponds to that of the first pulse code modulation device on the booster station side, together forming a complete digital transmission channel. The second pulse code modulation device receives local analog telephone signals from the dispatch exchange, performs pulse code modulation, and converts the signals into standard digital signals for long-distance, high-quality transmission through digital transmission networks (such as SDH / MSTP fiber optic networks or digital microwave circuits in power communication private networks).

[0043] In some alternative embodiments, the dispatch operator console, the dispatch switch, and the second pulse code modulation device are connected via an audio telephone line; The first pulse code modulation device and the second pulse code modulation device are connected by a circuit.

[0044] In this embodiment, the dispatch operator console, the dispatch switch, and the second pulse code modulation device are connected via an audio telephone line, forming a standard voice signal acquisition and internal switching link within the dispatch center.

[0045] In this embodiment, the first pulse code modulation device and the second pulse code modulation device are connected by a circuit, specifically through a digital transmission channel in the form of E1 relay, optical fiber, or digital microwave. This constitutes an "end-to-end" digital transmission backbone between the dispatch center and the remote booster station, ensuring that the dispatch command voice signal is carried in digital form throughout the entire transmission path. It has significant advantages such as strong anti-interference capability, stable transmission quality, and ease of multiplexing and management.

[0046] In one application scenario, when staff at the central and local dispatch centers make a call to an unmanned telephone station via the dispatch operator console (at this time, both the first central dispatch telephone answering device at the unmanned telephone station and the second central dispatch telephone answering device at the manned telephone station will ring), the electrical signal is sent to the audio distribution cabinet of the unmanned telephone station via the dispatch operator console, dispatch exchange, second pulse code modulation equipment, and the first pulse code modulation equipment of the unmanned telephone station. The audio distribution cabinet of the unmanned telephone station then sends the central electrical signal (central dispatch electrical signal) to the first splitter. The first splitter then distributes the electrical signal to the first central dispatch telephone answering device, at which point the first central dispatch telephone call to the unmanned telephone station rings. Simultaneously, the first splitter also sends the electrical signal to the first optical terminal and the first fiber optic distribution cabinet of the unmanned telephone station, completing the conversion between electrical and optical signals. The first fiber optic distribution cabinet of the unmanned telephone station sends the signal to the second fiber optic distribution cabinet and the second optical terminal of the manned telephone station. The second optical terminal of the manned telephone station converts the optical signal into an electrical signal and sends the electrical signal to the second intermediate-dial telephone receiving device. At this time, the second intermediate-dial telephone of the manned telephone station rings.

[0047] In another application scenario, when staff at the dispatch and local dispatch centers make a dispatch call to a manned telephone station via the dispatch operator console (at this time, both the first dispatch call answering device at the unmanned telephone station and the second dispatch call answering device at the manned telephone station will ring), the electrical signal is sent to the audio distribution cabinet of the unmanned telephone station via the dispatch operator console, dispatch exchange, second pulse code modulation equipment, and first pulse code modulation equipment of the unmanned telephone station. The audio distribution cabinet of the unmanned telephone station then sends the electrical signal (dispatch signal) to the first splitter. The first splitter then distributes the electrical signal to the first dispatch call answering device, at which point the first dispatch call at the unmanned telephone station rings. Simultaneously, the first splitter also sends the electrical signal to the first optical terminal and the first fiber optic distribution cabinet of the unmanned telephone station, completing the conversion between electrical and optical signals. The first fiber optic distribution cabinet of the unmanned telephone station sends the signal to the second fiber optic distribution cabinet and the second optical terminal of the manned telephone station. The second optical terminal of the manned telephone station converts the optical signal into an electrical signal and sends the electrical signal to the second intermediate-dial telephone receiving device. At this time, the second intermediate-dial telephone rings when dialing the manned telephone station.

[0048] In another application scenario, when staff at the dispatch and local dispatch centers make a local dispatch call to an unmanned telephone station via the dispatch operator console (at this time, both the first local dispatch telephone answering device at the unmanned telephone station and the second local dispatch telephone answering device at the manned telephone station will ring), the electrical signal is sent to the audio distribution cabinet of the unmanned telephone station via the dispatch operator console, dispatch exchange, second pulse code modulation equipment, and the first pulse code modulation equipment of the unmanned telephone station. The audio distribution cabinet of the unmanned telephone station sends the electrical signal (local dispatch electrical signal) to the second splitter, which then splits the electrical signal to the first local dispatch telephone answering device. At this time, the first local dispatch telephone call to the unmanned telephone station rings. Simultaneously, the second splitter also sends the electrical signal to the first optical terminal and the first fiber optic distribution cabinet of the unmanned telephone station, completing the conversion between electrical and optical signals. The first fiber optic distribution cabinet of the unmanned telephone station sends the signal to the second fiber optic distribution cabinet and the second optical terminal of the manned telephone station. The second optical terminal of the manned telephone station converts the optical signal into an electrical signal and sends the electrical signal to the second local telephone answering device. At this time, the second local telephone rings at the manned telephone station.

[0049] In another application scenario, when staff at the dispatch and local dispatch center make a local dispatch call to a manned telephone station via the dispatch operator console (at this time, both the first local dispatch telephone answering device at the unmanned telephone station and the second local dispatch telephone answering device at the manned telephone station will ring), the electrical signal is sent to the audio distribution cabinet of the unmanned telephone station via the dispatch operator console, dispatch exchange, second pulse code modulation equipment, and the first pulse code modulation equipment of the unmanned telephone station. The audio distribution cabinet of the unmanned telephone station sends the electrical signal (local dispatch electrical signal) to the second splitter, which then splits the electrical signal to the first local dispatch telephone answering device. At this time, the first local dispatch telephone at the unmanned telephone station rings. Simultaneously, the second splitter also sends the electrical signal to the first optical terminal and the first fiber optic distribution cabinet of the unmanned telephone station, completing the conversion between electrical and optical signals. The first fiber optic distribution cabinet of the unmanned telephone station sends the signal to the second fiber optic distribution cabinet and the second optical terminal of the manned telephone station. The second optical terminal of the manned telephone station converts the optical signal into an electrical signal and sends the electrical signal to the second local telephone answering device. At this time, the second local telephone rings when dialing the manned telephone station.

[0050] In another application scenario, when staff at the dispatch center and the local dispatch center make calls to manned telephone stations via the dispatch operator console (at this time, the first local dispatch telephone answering device and the first local dispatch telephone answering device at the unmanned telephone station, and the second local dispatch telephone answering device and the second local dispatch telephone answering device at the manned telephone station will all ring), the electrical signal is sent to the audio distribution cabinet of the unmanned telephone station through the dispatch operator console, the dispatch exchange, the second pulse code modulation equipment, and the first pulse code modulation equipment of the unmanned telephone station. The audio distribution cabinet of the unmanned telephone station sends the electrical signal (local dispatch electrical signal) to the second splitter, and the second splitter distributes the electrical signal to the first local dispatch telephone answering device. At this time, the first local dispatch telephone at the unmanned telephone station rings. Simultaneously, the second splitter also sends the electrical signal to the first optical terminal and the first fiber optic distribution cabinet of the unmanned telephone station, completing the conversion between electrical and optical signals. The first fiber optic distribution cabinet of the unmanned telephone station sends the signal to the second fiber optic distribution cabinet and the second optical terminal of the manned telephone station. The second optical terminal of the manned telephone station converts the optical signal into an electrical signal and sends the electrical signal to the second local telephone answering device. At this time, the second local telephone rings when dialing the manned telephone station.

[0051] Simultaneously, the audio distribution cabinet of the unmanned telephone station sends the electrical signal (intermediate modulation signal) to the first splitter. The first splitter then distributes the electrical signal to the first intermediate modulation telephone receiving device, at which point the first intermediate modulation telephone at the unmanned telephone station rings. At the same time, the first splitter also sends the electrical signal to the first telephone optical transceiver and the first fiber optic distribution cabinet of the unmanned telephone station, completing the conversion between electrical and optical signals. The first fiber optic distribution cabinet of the unmanned telephone station then sends the signal to the second fiber optic distribution cabinet and the second telephone optical transceiver of the manned telephone station. The second telephone optical transceiver of the manned telephone station converts the optical signal back into an electrical signal and sends the electrical signal to the second intermediate modulation telephone receiving device, at which point the second intermediate modulation telephone at the manned telephone station rings.

[0052] This invention newly configures two one-in-two-out splitters in an unmanned telephone station. One line connects to the dispatch telephone, and the other connects to a newly configured optical transceiver. The optical transceiver converts the analog audio telephone signal into an optical signal, which is then transmitted to the manned telephone station via the core optical fiber in the existing connecting optical cable between the unmanned and manned telephone stations. The optical transceiver then converts the signal back into an analog audio telephone signal for the newly configured dispatch telephone. When a dispatcher dials the dispatch telephone number at the unmanned telephone station to issue a command, both the dispatch telephone at the unmanned station and the newly added dispatch telephone at the manned telephone station will ring simultaneously, and the call can be answered at either station. No approval from the power company is required to connect to the existing dispatch telephone line. The additional cost is minimal.

[0053] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.

Claims

1. A power dispatch telephone answering system for a booster station, characterized in that, include: Central and regional survey centers, manned and unmanned telephone stations; The unmanned telephone station includes: The first pulse code modulation device is connected to the central and ground modulation centers; An audio wiring cabinet connected to the first pulse code modulation device; A first splitter and a second splitter connected to the audio distribution cabinet; A first intermediate-level telephone answering device connected to the first splitter; A first local telephone answering device connected to the second splitter; A first fiber optic conversion device connected to the first splitter and the second splitter; The manned telephone station includes: A second optical fiber conversion device connected to the first optical fiber conversion device; A second intermediate-mode telephone answering device and a second local-mode telephone answering device connected to the second optical fiber conversion device; When the central and local dispatch centers initiate a dispatch call, the first pulse code modulation device of the unmanned telephone station receives the telephone signal sent by the central and local dispatch centers and sends the telephone signal to the audio distribution cabinet. The audio distribution cabinet sends the signal to the first splitter, and the first splitter sends the signal to the first central dispatch telephone answering device and the first fiber optic conversion device. The first fiber optic conversion device converts the telephone signal into an optical signal, and the optical signal is sent to the second central dispatch telephone answering device via the second fiber optic conversion device. Alternatively, the audio distribution cabinet sends the signal to the second splitter, which then sends it to the first local telephone answering device and the first fiber optic converter. The first fiber optic converter converts the telephone signal into an optical signal, which is then sent to the second local telephone answering device via the second fiber optic converter.

2. The power dispatch telephone answering system for substations according to claim 1, characterized in that, The audio distribution cabinet includes a signal splitting module for splitting the received telephone signal into a medium-modulation signal and a ground-modulation signal. The medium-modulation signal is sent to the first splitter, and the ground-modulation signal is sent to the second splitter.

3. The power dispatch telephone answering system for substations according to claim 1, characterized in that, The first optical fiber conversion device includes: a first telephone optical terminal and a first optical fiber distribution cabinet; The first splitter and the second splitter are respectively connected to the first telephone optical terminal; The first telephone optical terminal is connected to the first optical fiber distribution cabinet; The first telephone optical terminal converts the received telephone signal into an optical signal and sends it to the first optical fiber distribution cabinet, which then sends it to the second optical fiber distribution cabinet.

4. The power dispatch telephone answering system for substations according to claim 3, characterized in that, The second optical fiber conversion device includes: a second telephone optical terminal and a second optical fiber distribution cabinet; The first fiber optic distribution cabinet is connected to the second fiber optic distribution cabinet; The second telephone optical transceiver is connected to the second fiber optic distribution cabinet; The second intermediate dialing telephone answering device and the second local dialing telephone answering device are respectively connected to the second telephone optical transceiver; The second fiber optic distribution cabinet sends the received optical signal to the second telephone optical terminal, which converts the optical signal into a telephone signal and sends the telephone signal to the second central telephone receiving device or the second local telephone receiving device.

5. The power dispatch telephone answering system for substations according to claim 1, characterized in that, Both the Central Survey and the Regional Survey Center include: Dispatch operator console; The scheduling switch is connected to the scheduling operator console; The second pulse code modulation device connected to the scheduling switch; The first pulse code modulation device is connected to the second pulse code modulation device; Telephone signals generated by making calls through the dispatch operator console are transmitted via the dispatch exchange to the second pulse code modulation device, and then from the second pulse code modulation device to the first pulse code modulation device.

6. The power dispatch telephone answering system for substations according to claim 5, characterized in that, The dispatch operator console, dispatch switch, and second pulse code modulation device are connected via an audio telephone line. The first pulse code modulation device and the second pulse code modulation device are connected by a circuit.

7. The power dispatch telephone answering system for substations according to claim 1, characterized in that, The first pulse code modulation device, the audio distribution cabinet, the first splitter, the second splitter, and the first fiber optic conversion device are connected via an audio telephone line.

8. The power dispatch telephone answering system for substations according to claim 4, characterized in that, The first fiber optic distribution cabinet and the second fiber optic distribution cabinet are connected by fiber optic cables.

9. The power dispatch telephone answering system for substations according to claim 4, characterized in that, The first telephone optical transceiver is connected to the first fiber optic distribution cabinet via a double-ended pigtail, and the second telephone optical transceiver is connected to the second fiber optic distribution cabinet via a double-ended pigtail.

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