CN213818248U - Street lamp equipment based on power line carrier - Google Patents
Street lamp equipment based on power line carrier Download PDFInfo
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- CN213818248U CN213818248U CN202022848082.9U CN202022848082U CN213818248U CN 213818248 U CN213818248 U CN 213818248U CN 202022848082 U CN202022848082 U CN 202022848082U CN 213818248 U CN213818248 U CN 213818248U
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Abstract
The utility model discloses a street lamp equipment based on power line carrier, include: a monitoring center; a plurality of centralized controllers, each of which communicates with the monitoring center; each centralized controller is respectively connected with a plurality of control nodes, and the centralized controller transmits a first control signal to each control node in a power carrier wave mode so as to complete the control of the street lamp. The utility model discloses a mode through power line carrier carries out information transmission between centralized control ware end and LED street lamp, need not build the circuit again, reduces the consumptive material to application cost has been reduced.
Description
Technical Field
The utility model belongs to street lamp control field, concretely relates to street lamp equipment based on power line carrier.
Background
Power Line Communication (PLC) is a Communication method specific to a Power system, and Power carrier Communication is a technology for transmitting analog or digital signals at high speed by using an existing Power line in a carrier method. The power line is a widely-existing network, if the advantage is utilized, the network does not need to be built again for the street lamp system, and the data can be transmitted by only utilizing the existing power distribution network, so that the cost of infrastructure and maintenance is reduced to a great extent, the utilization rate of urban street lamps is improved, and convenience and energy conservation are realized. The intelligent street lamp can be modified by using the broadband power carrier communication device, which is an urgent problem in the industry.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a street lamp device based on power line carrier for solving at least one problem existing in the prior art.
In order to realize above-mentioned purpose and other relevant purpose, the utility model provides a street lamp equipment based on power line carrier, include:
a monitoring center;
a plurality of centralized controllers, each of which communicates with the monitoring center;
each centralized controller is respectively connected with a plurality of control nodes, and the centralized controller transmits a first control signal to each control node in a power carrier wave mode so as to complete the control of the street lamp.
Optionally, the control node comprises:
the integrated controller transmits a first control signal to the protector in a power carrier mode and generates a second control signal for controlling the street lamp according to the first control signal;
and the electroluminescent device is connected with the protector and is switched among different states according to the second control signal.
Optionally, the protector comprises:
a control module;
the AC/DC module is connected with the control module and is used for converting the alternating current transmitted by the power line into direct current;
the carrier communication module is connected with the control module and is communicated with the integrated controller in a power carrier mode;
the voltage acquisition module is connected with the control module, acquires the alternating current and transmits the acquired data to the control module;
the relay output module is connected with the control module and is switched between a first state and a second state according to a control signal of the control module;
optionally, the protector further comprises:
and the dimming module is connected with the control module and is used for adjusting the brightness of the electroluminescent device according to the control signal of the control module.
Optionally, the protector further comprises:
and the LED indicating module is connected with the control module and used for switching between different states according to the control signal of the control module, and each state corresponds to one state of the electroluminescent device.
Optionally, the LED lamp beads in the LED indication module represent different states of the electroluminescent device through different flashing frequencies.
Optionally, the monitoring center is in wireless communication with the centralized controller.
Optionally, the method further comprises:
and the lightning protection module is used for carrying out lightning protection filtering processing on the alternating current.
As described above, the utility model discloses a street lamp equipment based on power line carrier has following beneficial effect:
the utility model discloses a mode through power line carrier carries out information transmission between centralized control ware end and LED street lamp, need not build the circuit again, reduces the consumptive material to application cost has been reduced.
The utility model discloses a voltage acquisition carries out the comparison, carries out undervoltage overvoltage protection according to the comparative result, all-round protection electroluminescent device drive power supply's power supply safety. The utility model discloses excessive pressure undervoltage protection value can be nimble adjustable through the PLC communication, the power supply environment that very big adaptation is complicated, nimble multiple LED drive power supply of matching.
Drawings
Fig. 1 is a schematic diagram of a street lamp device based on power line carrier according to an embodiment of the present invention;
fig. 2 is a schematic view of a protector according to an embodiment of the present invention;
fig. 3 is a schematic view of a protector according to another embodiment of the present invention;
fig. 4 is a schematic view of a lightning protection module according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic concept of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation may be changed at will, and the layout of the components may be more complicated.
As shown in fig. 1, a street lamp apparatus based on a power carrier includes:
a monitoring center; the monitoring center comprises control equipment, a server, display equipment, monitoring software and the like and is used for managing, monitoring, scheduling and controlling the street lamps in real time. The server serves as a web gateway and a back-end server for the front-end web client. The database is used for numbering each street lamp, recording the position information of the street lamps, recording some descriptions of the street lamps, such as power, current, voltage, electric quantity and the like, and recording the replacement and maintenance records of equipment.
A plurality of centralized controllers, each of which communicates with the monitoring center; the monitoring center is in wireless communication with the centralized controller; for example, fig. 1 includes a centralized controller a, a centralized controller B, and a centralized controller C.
Each centralized controller is respectively connected with a plurality of control nodes, and the centralized controller transmits a first control signal to each control node in a power carrier wave mode so as to complete the control of the street lamp. For example, the centralized controller a transmits a first control signal to the control node a1, the control node a2, the control node AN by means of a power carrier; the centralized controller B transmits a first control signal to the control node B1, the control node B2, and the control node BN in a power carrier manner; the centralized controller C transmits the first control signal to the control node C1, the control node C2, and the control node CN by means of a power carrier.
The utility model discloses a mode through power line carrier carries out information transmission between centralized control ware end and LED street lamp, need not build the circuit again, reduces the consumptive material to application cost has been reduced.
Specifically, the control signal that centralized controller sent is converted into the power line carrier letter to on coupling to the power line, transmit power line carrier signal to corresponding control node through power line, corresponding control node sends the street lamp after filtering, mediation, the deciphering with the power line carrier signal that receives, and the street lamp switches between different states according to the signal after the deciphering. The different states may be on and off states, or may be states from low luminance to high luminance or from high luminance to low luminance.
In one embodiment, as shown in fig. 2, the control node includes:
the integrated controller transmits a first control signal to the protector in a power carrier mode and generates a second control signal for controlling the street lamp according to the first control signal;
and the electroluminescent device is connected with the protector and is switched among different states according to the second control signal. The electroluminescent device emits light under the condition of electrifying, and the electroluminescent device can be an LED street lamp.
In one embodiment, the protector comprises:
and the control module (CPU) is used for collecting input voltage and comparing the input voltage with a preset value. The preset value is a range value, an overvoltage instruction is sent out when the input voltage exceeds the maximum value of the preset values, and an undervoltage instruction is sent out when the input voltage is smaller than the minimum value of the preset values. Wherein the preset value can be modified. The control module may be implemented by a single chip, a Programmable Logic Controller (PLC), a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable Logic devices, a discrete Gate or transistor Logic device, a discrete hardware component, or the like.
The AC/DC module is connected with the control module and is used for converting the alternating current transmitted by the power line into direct current; wherein the alternating current is mains supply; the direct current is at least used for supplying power to the control module.
The carrier communication module is connected with the control module and is communicated with the integrated controller in a power carrier mode;
control signal that centralized control ware sent is converted into the power line carrier letter to on coupling to the power line, transmit power line carrier signal to corresponding control node through power line, corresponding control node sends the street lamp after filtering, mediation, the decryption with the power line carrier signal that receives, and the street lamp switches between different states according to the signal after the decryption.
The voltage acquisition module is connected with the control module, acquires the alternating current and transmits the acquired data to the control module; the voltage acquisition module is used for acquiring the voltage value of alternating current and comparing the acquired voltage value with a set voltage threshold, wherein the number of the voltage thresholds is two, namely a high voltage threshold and a low voltage threshold; when the acquired voltage value exceeds a high voltage threshold value, indicating that the street lamp equipment is in an overvoltage state, and starting overvoltage turn-off protection at the moment; when the acquired voltage value is smaller than the low voltage threshold value, indicating that the street lamp equipment is in an undervoltage state, and starting undervoltage turn-off protection at the moment; when the acquired voltage value is between the high voltage threshold and the low voltage threshold, the street lamp equipment is in a normal processing state. Specifically, an overvoltage protection point AC295V and an undervoltage protection point AC 165V. When the collected voltage exceeds 295, the street lamp equipment is in an overvoltage state, and the collected voltage is lower than 165V; the street lamp equipment is in an under-voltage state; when the collected voltage is between 165V and 295V, the street lamp equipment processes a normal state. But the street lamp equipment works in an optimal state of 220V.
The relay output module is connected with the control module and is switched between a first state and a second state according to a control signal of the control module; here, the first state may be an on state, and the second state may be an off state. When the relay output module is in the first state, the LED emits light, and when the relay output module is in the second state, the LED is turned off and is in a non-bright state.
In one embodiment, the protector further comprises:
and the dimming module is connected with the control module and is used for adjusting the brightness of the electroluminescent device according to the control signal of the control module. The brightness of the electroluminescent device can be adjusted by adjusting the voltage at the input of the electroluminescent device, for example, the input voltage can be adjusted to 10V by 0V.
In one embodiment, the protector further comprises:
and the LED indicating module is connected with the control module and used for switching between different states according to the control signal of the control module, and each state corresponds to one state of the electroluminescent device. And the LED lamp beads in the LED indicating module represent different states of the electroluminescent device through different flashing frequencies. Specifically, the LED indication module may be a circuit module including an LED lamp bead, or may be an individual LED lamp bead. The LED indicating module is switched between different states under the control of the control module. For example, three states are represented by the blinking frequency of an LED lamp: A. the normal voltage flicker frequency is 1Hz, the overvoltage flicker frequency is 2Hz, and the undervoltage flicker frequency is 4Hz, so that the hardware cost is saved. Namely, when the street lamp equipment is in a normal state, the LED lamp beads flash at the frequency of 1 Hz; when the street lamp equipment is in an undervoltage state, the LED lamp beads flicker at the frequency of 4Hz, and undervoltage protection is needed at the moment; when the street lamp equipment is in an overvoltage state, the LED lamp beads flicker at the frequency of 2Hz, and overvoltage protection is needed at the moment.
In an embodiment, the street light apparatus further comprises: and the lightning protection module is used for carrying out lightning protection filtering processing on the alternating current.
Specifically, as shown in fig. 4, the lightning protection module includes a first-stage lightning protection circuit, a second-stage lightning protection circuit and a third-stage lightning protection circuit, which are connected in sequence, and an output end of the third-stage lightning protection circuit is connected with the protected device.
The primary lightning protection circuit comprises a tripolar gas discharge tube G, a first diode gas discharge tube G1, a second diode gas discharge tube G2, a first resistor R1 and a second resistor R2; the three-electrode gas discharge tube G is connected between a zero line and a live line, three electrodes of the three-electrode gas discharge tube G are respectively used as a first electrode 1, a second electrode 2 and a third electrode 3, the third electrode 3 is connected with a three-level lightning protection circuit, and the third electrode 3 is grounded; the two electrodes of the first dipolar gas discharge tube G1 are respectively used as a fourth electrode 4 and a fifth electrode 5, and the two electrodes of the second dipolar gas discharge tube G2 are respectively used as a sixth electrode 6 and a seventh electrode 7; the fourth electrode is connected with the first electrode 1 through a first resistor R1, the seventh electrode 7 is connected with the second electrode 2 through a second resistor R2, the fifth electrode 5 is connected with the sixth electrode 6, and the fourth electrode 4 and the seventh electrode 7 are respectively connected with a secondary lightning protection circuit; the first electrode 1 is connected with a secondary lightning protection circuit through a first resistor R2, and the second electrode 2 is connected with the secondary lightning protection circuit through a second resistor R2.
The secondary lightning protection circuit includes two discharge tubes, i.e., a first discharge tube T1 and a second discharge tube T2, and the fourth electrode 4 and the seventh electrode 7 are connected to the tertiary lightning protection circuit through one discharge tube, respectively.
The three-stage lightning protection circuit comprises a first bipolar transient voltage suppressor D1, a second bipolar transient voltage suppressor D2 and a third bipolar transient voltage suppressor D3; the first bipolar transient voltage suppressor D1 and the second bipolar transient voltage suppressor D2 are connected in series and then connected in parallel to two ends of the secondary lightning protection circuit, the common end of the first bipolar transient voltage suppressor D1 and the second bipolar transient voltage suppressor D2 is connected with the third electrode 3 of the three-pole gas discharge tube G, and the third bipolar transient voltage suppressor D3 is connected in parallel to two ends of the secondary lightning protection circuit; the current output by the secondary lightning protection circuit firstly passes through the first bipolar transient voltage suppressor D1 and the second bipolar transient voltage suppressor D2 and then passes through the third bipolar transient voltage suppressor D3, and the third bipolar transient voltage suppressor D3 is connected in parallel at two ends of the protected device.
In the lightning protection module shown in fig. 4, a gas discharge tube is firstly used as a first-stage overvoltage protection to suppress overvoltage interference signals. In order to improve the protection effect, a discharge tube is used as the second-stage overvoltage protection; the line resistance between the two-stage overvoltage devices provides coupling, and forms two-stage cooperative overvoltage protection together with the two-stage overvoltage devices, and further, a three-stage lightning protection circuit formed by a common-mode circuit and a differential-mode circuit is added behind the two-stage lightning protection circuit, so that the protected telecommunication equipment is ensured to be prevented from being damaged by lightning surge.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. The utility model provides a street lamp equipment based on power line carrier which characterized in that includes:
a monitoring center;
a plurality of centralized controllers, each of which communicates with the monitoring center;
each centralized controller is respectively connected with a plurality of control nodes, and transmits a first control signal to each control node in a power carrier mode so as to complete control of the street lamp; the control node includes:
the integrated controller transmits a first control signal to the protector in a power carrier mode and generates a second control signal for controlling the street lamp according to the first control signal;
and the electroluminescent device is connected with the protector and is switched among different states according to the second control signal.
2. The power carrier-based street light apparatus according to claim 1, wherein the protector comprises:
a control module;
the AC/DC module is connected with the control module and is used for converting the alternating current transmitted by the power line into direct current;
the carrier communication module is connected with the control module and is communicated with the integrated controller in a power carrier mode;
the voltage acquisition module is connected with the control module, acquires the alternating current and transmits the acquired data to the control module;
and the relay output module is connected with the control module and is switched between a first state and a second state according to a control signal of the control module.
3. The power-carrier-based street light apparatus according to claim 2, wherein the protector further comprises:
and the dimming module is connected with the control module and is used for adjusting the brightness of the electroluminescent device according to the control signal of the control module.
4. The power-carrier-based street light apparatus according to claim 2, wherein the protector further comprises:
and the LED indicating module is connected with the control module and used for switching between different states according to the control signal of the control module, and each state corresponds to one state of the electroluminescent device.
5. The power carrier-based street lamp device as claimed in claim 4, wherein the LED lamp beads in the LED indication module represent different states of the electroluminescent device by different flashing frequencies.
6. The power carrier-based street lamp device according to claim 1, wherein the monitoring center is in wireless communication with the centralized controller.
7. The power carrier-based street light apparatus according to claim 2, further comprising:
and the lightning protection module is used for carrying out lightning protection filtering processing on the alternating current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022848082.9U CN213818248U (en) | 2020-12-01 | 2020-12-01 | Street lamp equipment based on power line carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022848082.9U CN213818248U (en) | 2020-12-01 | 2020-12-01 | Street lamp equipment based on power line carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213818248U true CN213818248U (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022848082.9U Active CN213818248U (en) | 2020-12-01 | 2020-12-01 | Street lamp equipment based on power line carrier |
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|---|---|
| CN (1) | CN213818248U (en) |
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- 2020-12-01 CN CN202022848082.9U patent/CN213818248U/en active Active
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