CN107331131A - Power carrier warning system - Google Patents

Abstract

The present invention provides a power carrier alarm system, comprising: an alarm signal control device and an alarm signal receiving and playing device; the alarm signal control device includes a control button and a display, and when the control button is triggered, the first power carrier chip sends a predefined The alarm signal of the alarm signal playing area coding and the alarm signal type coding; the display shows the playing type and playing area of the alarm signal; the alarm signal receiving and playing device includes a controller and an alarm player, and the controller monitors the power line in real time through the second power carrier chip Then, according to the alarm signal playback area code carried by the alarm signal, it is judged whether the alarm signal is located in the playback area; if yes, after determining the playback type of the alarm signal, the alarm signal is sent to the alarm player for playback. Utilizing the invention can get rid of the dependence of the alarm system on the wired network or the wireless network.

Description

Power carrier warning system

technical field

The present invention relates to the technical field of electric power communication, and more specifically, relates to a power carrier alarm system.

Background technique

For some alarm occasions that do not have a network transmission channel and do not allow wireless transmission

In the existing alarm system, the alarm signal is either based on wired network transmission or wireless network transmission. The disadvantage of using wired network or wireless network to transmit alarm signal is that it is greatly affected by external factors such as network interference, network delay, and network failure. , the overall reliability of the alarm system is low, and for alarm occasions that do not have wired network transmission and wireless network transmission, the existing alarm system cannot operate normally.

Contents of the invention

In order to solve the above-mentioned technical problems, the object of the present invention is to provide a power carrier warning system to solve the problems raised by the above-mentioned background technology.

The power carrier alarm system provided by the present invention includes: an alarm signal control device and an alarm signal receiving and playing device; wherein,

The alarm signal control device includes: a control button and a display, and a first power carrier chip is arranged in the control button, which is used to couple the carrier to the power line and send a predefined alarm signal when the control button is pressed; the alarm signal carries:

The alarm signal playback area code is used to distinguish the playback area of different alarm signals;

The alarm signal type code is used to distinguish the playback types of different alarm signals;

The display is used to display the play type and play area of the alarm signal through the alarm signal play area code and the alarm signal type code;

The alarm signal receiving and playing device includes: a controller and an alarm player, wherein,

Controllers include:

The second power carrier chip is used for real-time monitoring of the alarm signal sent by the alarm signal control device on the power line of the same phase;

The alarm signal receiving module is used to receive the alarm signal detected by the second power carrier chip;

The warning area judging module is used to judge whether the warning signal is located in the playing area according to the warning signal playing area code carried by the warning signal;

The alarm type determination module is used to determine the playback type of the alarm signal according to the alarm signal type code carried by the alarm signal when the alarm signal is located in the playback area;

A confirmation broadcast signal receiving module is used to transmit the alarm signal to the alarm player after receiving the confirmation broadcast signal sent by the first power carrier chip;

Alert player to play when an alert signal is received.

Utilize the power carrier warning system provided by the present invention above, can obtain following technical effect:

1. The power carrier alarm system relies on the existing power transmission network, and does not need to be constructed or relied on other dedicated/combined wired or wireless networks.

2. The signal transmission through the power carrier is less affected by interference, blocking and failure, which makes the overall reliability of the system more stable.

3. Since the coupling signal transmission content can be customized, different playback ranges and different alarm signal types can be set according to actual needs, so as to realize the alarm control at multiple points, and realize the requirements of playing different alarm signals in different areas according to needs.

To the accomplishment of the above and related ends, one or more aspects of the invention comprise the features hereinafter described in detail and particularly pointed out in the claims. The following description and accompanying drawings detail certain exemplary aspects of the invention. These aspects are indicative, however, of but a few of the various ways in which the principles of the invention may be employed. Furthermore, the invention is intended to include all such aspects and their equivalents.

Description of drawings

By referring to the following description combined with the accompanying drawings and the contents of the claims, and with a more comprehensive understanding of the present invention, other objectives and results of the present invention will be more clear and easy to understand. In the attached picture:

FIG. 1 is a logical structural diagram of a power carrier warning system according to Embodiment 1 of the present invention;

Fig. 2 is a logical structure diagram of a power carrier warning system according to Embodiment 2 of the present invention.

detailed description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that these embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.

The overall idea of the present invention is: using the existing power transmission network, when the sending end is triggered, the carrier is coupled to the power line, and after sending the alarm signal, the alarm signal is transmitted to the receiving end through the power carrier transmission mode, and the receiving end is receiving Play after the alarm signal.

When the sending end and the receiving end are on the same phase power line, the receiving end can receive the alarm signal from the sending end. When the sending end and the receiving end are on different phase power lines, the receiving end cannot directly receive the alarm signal from the sending end. , at this time, it is necessary to add a transfer station between the sending end and the receiving end to forward the alarm signal from the sending end to the receiving end.

Generally, the power distribution room is three-phase input (maybe 380V, generally higher), so, in order to balance the load, the sending end and the receiving end should be evenly distributed on three power lines with different phases in a power distribution area, so in In the power supply area of a power distribution room, unless the transmitter and receiver in a small area (same floor, room, etc.) can be sure to be on the same phase power line, phase detection is required in other cases to determine power lines on the same phase.

Two embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Embodiment one

Embodiment 1 is the case where the transmitting end and the receiving end are located on the power line with the same phase.

Fig. 1 shows the logical structure of a power carrier warning system according to Embodiment 1 of the present invention.

As shown in FIG. 1 , the power carrier alarm system 100 provided by the present invention includes an alarm signal control device 110 (referring to the above-mentioned sending end) and an alarm signal receiving and playing device 120 (referring to the above-mentioned receiving end). The two devices are described in detail below respectively.

The alarm signal control device 110 is installed in the alarm signal control room, and is plugged into the AC power socket by a power supply or a signal composite line. The alarm signal control device 110 includes: a control button and a display 112, and a first power carrier chip 111 is arranged in the control button , the first power carrier chip 111 is used to couple the carrier to the power line and send a predefined alarm signal when the control button is pressed.

The alarm signals are divided into different types, and each type is determined according to the preset scheme of the emergency, and the alarm signals can be divided according to the playback range and playback type. Specifically, the alarm signal carries an alarm signal play area code and an alarm signal type code, and the alarm signal play area code is used to distinguish different alarm signal play areas according to the preset schemes of different emergencies; the alarm signal type code is used for different The emergency preset scheme distinguishes the playing types of different alarm signals.

The display 112 is used to display the play type and play area of the alarm signal through the alarm signal play area code and the alarm signal type code.

The alarm signal receiving and playing device 120 is installed in the place where the alarm signal needs to be played, and is plugged into the AC power socket using a power supply/signal composite line. The alarm signal receiving and playing device 120 includes: a controller 121 and an alarm player 122, wherein,

The controller 121 includes: a second power carrier chip 1211 , an alarm signal receiving module 1212 , an alarm area judgment module 1213 , an alarm type determination module 1214 , a signal playing request module 1215 and a confirmation playing signal receiving module 1216 .

Wherein, the second power carrier chip 1211 is used for real-time monitoring of the alarm signal sent by the alarm signal control device 110 on the same-phase power line after power-on.

The alarm signal receiving module 1212 is used for receiving the alarm signal detected by the second power carrier chip 1111 .

The warning area judging module 1213 is used for judging whether the warning signal is located in the playing area according to the warning signal playing area code carried in the warning signal received by the warning signal receiving module 1112 .

An alarm signal receiving and playing device 110 will be set in each playing area to receive the alarm signal and play. In each playing area, there will be an alarm signal playing area code, that is, the alarm signal playing area code and the playing area are in the same shape. A corresponding relationship, when the alarm signal receiving module 1212 receives the alarm signal, it will judge that the alarm signal playback area code carried by the alarm signal is consistent with the alarm signal playback area code in this playback area, and if they are consistent, perform subsequent operations, If not, ignore it, and the second power carrier chip 1211 continues to monitor the power line.

The alarm type determining module 1214 is configured to determine the playing type of the alarm signal according to the alarm signal type code carried by the alarm signal when the alarm area judging module 1213 determines that the alarm signal is located in the playing area.

An alarm signal corresponds to an alarm type. The type of alarm signal can be determined by judging the alarm signal type code. The alarm signal type code and the alarm signal playback area code are two types of codes that are independent and do not affect each other. For example: The alarm signal playback area code carried by one alarm signal is 1, and the alarm signal type code it carries is 2; Within one play area, but with different play types.

The signal play request module 1215 is used to send a request signal for playing the alarm signal to the alarm signal control device 110 after the alarm type determination module 1214 determines the play type of the alarm signal. request signal. The first power carrier chip 111 of the alarm signal control device 110 monitors the power line in real time, receives the request signal once it detects it, and sends a confirmation playback signal to the alarm player 122 .

When the first power carrier chip 111 receives the request signal, the display 112 displays the play type and play area of the alarm signal.

The confirmation play signal receiving module 1216 is used for transmitting the alarm signal to the alarm player 122 after receiving the confirmation play signal sent by the first power carrier chip 111, and the alarm player 122 plays the alarm signal after receiving the alarm signal.

Embodiment two

Embodiment 2 is the case where the alarm signal control device and the alarm signal receiving and playing device are located on power lines with different phases. The difference between the second embodiment and the first embodiment is that the alarm signal control device 210 and the alarm signal receiving and playing device 220 respectively send signals to power lines of different phases, and the alarm signal not only carries the alarm signal playing area code and the alarm signal type code , also carries the equipment type code and equipment code, the equipment type code is used to distinguish the alarm signal control device 210, the alarm signal receiving and playing device 220 and the cross-phase signal forwarding device 230, and indicates whether it is the forwarding information of the cross-phase signal forwarding device 230 , the equipment code is used to distinguish different devices of the same equipment type; in addition, the various types of signals sent by the alarm signal control device 210 and the alarm signal receiving and playing device 220 also carry equipment type codes and equipment codes, for example, alarm signal receiving The request signal sent by the playback device 220 and the alarm signal control the playback confirmation signal sent by the device 210 .

Fig. 2 shows the logical structure of the power carrier warning system according to Embodiment 2 of the present invention.

As shown in FIG. 2 , the power carrier alarm system 200 provided by the present invention includes an alarm signal control device 210 , an alarm signal receiving and playing device 220 and a cross-phase signal forwarding device 230 .

The alarm signal control device 210 is packaged and installed in the alarm signal control room, and is plugged into the AC power socket using a power supply or a signal composite line. The alarm signal control device 210 includes: a control button and a display 112, and a first power carrier chip is arranged in the control button 211. The first power carrier chip 211 is used to couple the carrier to the power line and send a predefined alarm signal when the control button is pressed.

The alarm signals are divided into different types, and each type is determined according to the preset scheme of the emergency, and the alarm signals can be divided according to the playback range and playback type. Specifically, the alarm signal carries an alarm signal play area code and an alarm signal type code, and the alarm signal play area code is used to distinguish different alarm signal play areas according to the preset schemes of different emergencies; the alarm signal type code is used for different The emergency preset scheme distinguishes the playing types of different alarm signals.

The display 212 is used to display the play type and play area of the alarm signal through the alarm signal play area code and the alarm signal type code.

The cross-phase signal transponder 230 is installed in an appropriate place equipped with a three-phase AC plug, and is used to avoid the alarm signal control device 210 from sending when the alarm signal control device 210 and the alarm signal receiving and playing device 220 are not on the power line of the same phase. The signal cannot be received by the alarm signal receiving and playing device 220, causing the alarm system to work abnormally.

The cross-phase signal forwarding device 230 includes:

The data receiving module 231 is used to receive the data information coupled and transmitted on any one of the power lines of the three phases. The data information includes the alarm signal sent by the alarm signal control device 210 and the confirmation playback signal, and the alarm signal receiving playback device 220. request signal.

The data judging module 232 is used to judge whether the data information is forwarded by the cross-phase signal forwarding device according to the equipment type code and equipment code carried in the data information, and determine the sending end and receiving end of the data information.

When the alarm signal control device 210 and the alarm signal receiving and playing device 220 send out signals, they respectively carry their own codes. For example: when the device type code is 1, it represents the alarm signal control device 210, when the device type code is 2, it represents the alarm signal receiving and playing device 220, if the device type code of the current data information is 1, then the sending end of the data information is an alarm signal The control device 210 has an alarm signal receiving and playing device 220 at the receiving end.

The data forwarding module 233 is configured to synchronously couple and forward the data information to the power line of the three phases to the receiving end when the data information is not forwarded by the cross-phase signal forwarding device.

If the data judging module 232 judges that the data information is forwarded by the cross-phase signal forwarding device, the data forwarding module 233 does not forward the data information any more.

If the sender of the data information is the alarm signal control device 210, then the receiver of the data information is the alarm signal receiving and playing device 220, and the data judging module 232 forwards the data sent by the alarm signal controlling device 210 to the alarm signal receiving and playing device 220; if The sending end of the data information is the alarm signal receiving and playing device 220 , the receiving end of the data information is the alarm signal control device 210 , and the data judging module 232 forwards the data sent by the alarm signal receiving and playing device 220 to the alarm signal controlling device 210 .

The alarm signal receiving and playing device 220 is installed in the place where the alarm signal needs to be played, and is plugged into the AC power socket by using a power supply/signal composite line. The alarm signal receiving and playing device 220 includes: a controller 221 and an alarm player 222, wherein,

The controller 221 includes: a second power carrier chip 2211 , an alarm signal receiving module 2212 , an alarm area judgment module 2213 , an alarm type determination module 2214 , a signal playing request module 2215 and a confirmation playing signal receiving module 2216 .

Wherein, the second power carrier chip 2211 is used for real-time monitoring of the alarm signal forwarded by the data forwarding module 233 on the same-phase power line after power-on.

The alarm signal receiving module 2212 is used for receiving the alarm signal detected by the second power carrier chip 2211 .

The warning area judging module 2213 is used for judging whether the warning signal is located in the playing area according to the warning signal playing area code carried in the warning signal received by the warning signal receiving module 2212 .

In each playing area, an alarm signal receiving and playing device 210 will be set for receiving the alarm signal and playing. In each playing area, there will be an alarm signal playing area code, that is, the alarm signal playing area code and the playing area are in the same shape. A corresponding relationship, when the alarm signal receiving module 2212 receives the alarm signal, it will judge that the alarm signal playback area code carried by the alarm signal is consistent with the alarm signal playback area code in the current playback area, and if they are consistent, perform subsequent operations, If not, ignore it, and the second power carrier chip 2211 continues to monitor the power line.

The alarm type determining module 2214 is used to determine the playing type of the alarm signal according to the alarm signal type code carried by the alarm signal when the alarm area judging module 2213 determines that the alarm signal is located in the playing area.

An alarm signal corresponds to an alarm type. The type of alarm signal can be determined by judging the alarm signal type code. The alarm signal type code and the alarm signal playback area code are two types of codes that are independent and do not affect each other. For example: The alarm signal playback area code carried by one alarm signal is 1, and the alarm signal type code it carries is 2; Within one play area, but with different play types.

The signal play request module 2215 is used to send a request signal for playing the alarm signal to the alarm signal control device 110 after the alarm type determination module 2214 determines the play type of the alarm signal. request signal. The first power carrier chip 111 of the alarm signal control device 210 will monitor the power line in real time, once it detects the request signal forwarded by the data forwarding module 233, it will receive it immediately and send a confirmation playback signal to the alarm player 222 .

When the first power carrier chip 211 receives the request signal, the display 212 displays the play type and play area of the alarm signal.

The confirmation play signal receiving module 2216 is used to transmit the alarm signal to the alarm player 222 after receiving the confirmation play signal sent by the first power carrier chip 111, and the alarm player 222 plays the alarm signal after receiving the alarm signal.

The above is only a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Anyone skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present invention. Should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (7)

1. A power carrier alarm system, comprising: an alarm signal control device and an alarm signal receiving and playing device; wherein, The alarm signal control device includes: a control button and a display, and a first power carrier chip is arranged in the control button, which is used to couple the carrier wave to the power line and send a predefined alarm signal when the control button is pressed. ; The alarm signal carries: The alarm signal playback area code is used to distinguish the playback area of different alarm signals; The alarm signal type code is used to distinguish the playback types of different alarm signals; The display is used to display the play type and play area of the alarm signal through the alarm signal play area code and the alarm signal type code; The device for receiving and playing the alarm signal includes: a controller and an alarm player, wherein, The controller includes: The second power carrier chip is used for real-time monitoring of the alarm signal sent by the alarm signal control device on the same-phase power line; An alarm signal receiving module, configured to receive the alarm signal detected by the second power carrier chip; An alarm area judging module, configured to determine whether the alarm signal is located in the playback area according to the alarm signal playback area code carried by the alarm signal; An alert type determination module, configured to determine the play type of the alert signal according to the alert signal type code carried by the alert signal when the alert signal is located within the play area; A signal playing request module, configured to send a request signal for playing the warning signal to the warning signal control device after determining the playing type of the warning signal; A confirmation play signal receiving module, configured to transmit the alarm signal to the alarm player after receiving the confirmation play signal sent by the first power carrier chip; The alarm player is used to play the alarm signal after receiving the alarm signal. 2. The power carrier alarm system according to claim 1, further comprising a cross-phase signal transponder, the alarm signal, the request signal and the confirmation broadcast signal all carry: Equipment type code, used to distinguish the alarm signal control device, the alarm signal receiving and playing device and the cross-phase signal forwarding device, and indicate whether it is the forwarding information of the cross-phase signal forwarding device; Device code, used to distinguish different devices of the same device type. 3. The power carrier alarm system according to claim 2, wherein the cross-phase signal transponder is used to transmit to the The alarm signal control device forwards the alarm signal and the confirmation broadcast signal sent by the alarm signal receiving and playing device, and forwards the request signal for playing the alarm signal sent by the alarm signal controlling device to the alarm signal receiving and playing device; The cross-phase signal forwarding device includes: The data receiving module is used to receive the data information coupled and sent on any one of the power lines of the three phases, the data information includes the alarm signal, the request signal and the confirmation broadcast signal; A data judging module, configured to judge whether the data information is forwarded by the cross-phase signal forwarding device according to the equipment type code and equipment code carried in the data information, and determine the sending end and receiving end of the data information; A data forwarding module, configured to synchronously couple and forward the data information to the receiving end on the power lines of the three phases when the data information is not forwarded by the cross-phase signal forwarding device. 4. The power carrier warning system according to claim 3, wherein the cross-phase signal transponder is installed in a suitable place with a three-phase AC plug. 5. The power carrier alarm system according to claim 1, wherein the alarm signal control device is installed in the alarm signal control room, and is plugged into an AC power socket by a power supply or a signal composite line. 6. The power carrier alarm system according to claim 1, wherein the alarm signal receiving and playing device is installed in the place where the alarm signal is to be played, and plugged into an AC power socket by using a power supply or a signal composite line. 7. The electric power carrier warning system according to claim 1, wherein, after the warning signal control device receives the request signal of playing the warning signal sent by the warning signal control device, the display shows the The play type and play area of the alarm signal.