CN211375344U - Circuit breaker and topological characteristic signal generating system - Google Patents
Circuit breaker and topological characteristic signal generating system Download PDFInfo
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- CN211375344U CN211375344U CN202020235192.5U CN202020235192U CN211375344U CN 211375344 U CN211375344 U CN 211375344U CN 202020235192 U CN202020235192 U CN 202020235192U CN 211375344 U CN211375344 U CN 211375344U
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Abstract
The utility model provides a circuit breaker and topological characteristic signal generating system. Compared with the prior art, the technical field of the circuit breaker is related. The circuit breaker includes: circuit breaker body, mutual-inductor, control panel and communication module, wherein: the mutual inductor, the communication module and the control panel are all arranged on the circuit breaker body; the control panel is provided with: the device comprises a processor, a sampling unit and a signal generating unit; the input ends of the sampling unit and the signal generating unit are respectively and electrically connected with the processor; one end of the mutual inductor is electrically connected with the sampling unit, the processor is electrically connected with the communication module, the other end of the mutual inductor is connected with the power line, the output end of the signal generation unit is further connected with the power line, and the communication module is used for connecting an upper computer. Compared with the prior art, the problems that the circuit breaker in the prior art does not have the sending function of the topological characteristic signal, an independent topological characteristic signal generating module needs to be configured, wiring is complex, and wiring errors are easily caused are solved.
Description
Technical Field
The utility model relates to a circuit breaker technical field particularly, relates to a circuit breaker and topological characteristic signal generating system.
Background
The ubiquitous power internet of things is an intelligent service system which is characterized by comprehensive state sensing, efficient information processing and convenient and flexible application, fully applies modern information technologies such as mobile interconnection and artificial intelligence and advanced communication technologies around each link of a power system, realizes the mutual object interconnection and man-machine interaction of each link of the power system and has the advantages of comprehensive state sensing, efficient information processing and convenient and flexible application.
With the construction of the national grid on the ubiquitous power internet of things, the power distribution equipment is required to have a topological characteristic signal sending function.
However, the existing circuit breaker does not have the function of sending the topological characteristic signals, an independent topological characteristic signal generating module needs to be configured, and the topological characteristic signal generating module is connected with the circuit breaker body through a voltage line, so that the wiring is complex, and the wiring is easy to make mistakes.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a various circuit breaker, topological characteristic signal's sending method and device to the not enough among the above-mentioned prior art to solve prior art breaker and do not possess topological characteristic signal's transmitting function, need dispose independent topological characteristic signal and take place the module, be connected through the voltage line between topological characteristic signal takes place module and the circuit breaker body, cause not only that the wiring is complicated, and the problem of making mistakes of working a telephone switchboard easily.
In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:
in a first aspect, an embodiment of the present invention provides a circuit breaker, the circuit breaker includes: circuit breaker body, mutual-inductor, control panel and communication module, wherein:
the mutual inductor, the communication module and the control panel are all arranged on the circuit breaker body; the control panel is provided with: the device comprises a processor, a sampling unit and a signal generating unit; the input ends of the sampling unit and the signal generating unit are respectively electrically connected with the processor, and the signal generating unit is used for generating a topological characteristic signal;
the one end of mutual-inductor with the sampling unit electricity is connected, the treater with the communication module electricity is connected, the power line is connected to the other end of mutual-inductor, the output of signal generation unit still is connected the power line, communication module is used for connecting the host computer.
Optionally, the communication module comprises: a power carrier communication unit and/or a cable communication unit.
Optionally, the signal generating unit includes: the signal generation unit includes: resistors R22, R23, R24 and R25; an inductance L4; capacitance Cx 1; an optical coupler U11; a thyristor D32; and a piezoresistor RV 4.
Wherein:
one end of the optocoupler U11 is respectively connected with the resistor R22 and the digital ground, and the other end of the optocoupler U11 is respectively connected with the resistor R23 and the controlled silicon D32;
the resistor R23, the resistor R25, the inductor L4 and the controlled silicon D32 are respectively connected with the piezoresistor RV 4;
the resistor R24, the capacitor Cx1 and the voltage dependent resistor RV4 are respectively connected with the controllable silicon D32, and the resistor R25 is connected with the capacitor Cx 1.
Optionally, the optical coupler U11 includes: 1 foot, 2 foot, 4 feet and 6 feet, wherein:
the resistor R22 is connected with a pin 1 of the optocoupler U11;
2 pins of the optical coupler U11 are grounded;
the 4 pins of the optocoupler U11, the resistor R24, the capacitor Cx1 and the piezoresistor RV4 are respectively connected with the controllable silicon D32, and the resistor R25 is connected with the capacitor Cx 1;
one end of the resistor R23 is connected with the 6 pins of the optocoupler U11, and the other end of the resistor R23 is respectively connected with the resistor R25, the inductor L4, the controlled silicon D32 and the piezoresistor RV 4.
In a second aspect, the embodiment of the present invention further provides a system for generating a topological characteristic signal, where the system includes: first host computer, circuit breaker and power line, the circuit breaker is above-mentioned first aspect any the circuit breaker, wherein:
the first upper computer is connected with the communication module in the circuit breaker; the power line is respectively connected with the signal generating unit in the circuit breaker and one end of the mutual inductor.
Optionally, the first upper computer is a control device of the power device connected to the power line.
Optionally, the system further comprises: and the second upper computer is a control device of the power equipment connected with the power line.
Adopt the utility model provides a circuit breaker, this circuit breaker includes: the circuit breaker comprises a circuit breaker body, a mutual inductor, a control panel and a communication module, wherein a processor, a sampling unit and a signal generating unit are arranged on the control panel, the processor is electrically connected with the communication module, the signal generating unit can generate topological characteristic signals in the setting, and meanwhile, the output end of the signal generating unit is also connected with a power line, so that after the processor receives control instructions sent to the communication module by an upper computer, the control signal generating unit generates corresponding topological characteristic signals according to the control instructions and transmits the topological characteristic signals to the power line. Therefore, the circuit breaker provided by the application can generate and send the topological characteristic signal to the power line without additionally arranging an additional topological characteristic signal generating module, the topological characteristic signal sending function of the circuit breaker is realized, and the wiring error caused by complex wiring can be avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a circuit breaker according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a circuit breaker according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of a signal generating unit according to another embodiment of the present invention;
FIG. 4 is a waveform diagram of the current signal and the topological characteristic signal after superposition;
fig. 5 is a schematic structural diagram of a topological feature signal generating system according to an embodiment of the present invention.
Icon: icon: 100-a circuit breaker; 110-a circuit breaker body; 120-a transformer; 130-a control panel; 131-a processor; 132-a sampling unit; 133-a signal generating unit; 140-a communication module; 141-power carrier communication unit; 142-a cable communication unit; 200-a topological feature signal generating system; 211-an upper computer; 220-power line.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Fig. 1 is a schematic structural diagram of a circuit breaker according to an embodiment of the present invention, as shown in fig. 1, the circuit breaker 100 includes: circuit breaker body 110, mutual inductor 120, control panel 130 and communication module 140, wherein:
the transformer 120, the communication module 140 and the control board 130 are all disposed on the circuit breaker body 110; the control board 130 is provided with: a processor 131, a sampling unit 132, and a signal generation unit 133; wherein, the input terminals of the sampling unit 132 and the signal generating unit 133 are electrically connected to the processor 131, respectively, and the signal generating unit 133 is configured to generate the topology characteristic signal.
One end of the mutual inductor 120 is electrically connected with the sampling unit 132, the processor 131 is electrically connected with the communication module 140, the other end of the mutual inductor 120 is connected with the power line 220, the output end of the signal generating unit 133 is also connected with the power line 220, and the communication module 140 is used for connecting an upper computer.
Alternatively, in the circuit breaker 100 provided by the present application, the transformer 120 may be a current transformer, one end of the transformer 120 may be a primary coil of the transformer 120, and the other end of the transformer 120 may be a secondary coil of the transformer 120, that is, the primary coil of the transformer 120 may be electrically connected to the sampling unit 132, and the secondary coil of the transformer 120 is connected to one end of the power line 220. The other end of the power line 220 may connect to any type of electrical device in the power distribution network.
Optionally, the upper computer may be configured to receive the topology characteristic signal sent by the circuit breaker 100 through the communication module 140; if the circuit breaker 100 needs to be controlled to send a certain topological characteristic signal, the upper computer can also be used for sending a control instruction to the processor 131 through the communication module 140, and the processor 131 controls the signal generating unit 133 to send a corresponding topological characteristic signal according to the control instruction after receiving the control instruction; the upper computers for receiving the signals and sending the control instructions can be the same upper computer or different upper computers, and can be designed according to user requirements.
After receiving an instruction sent by the upper computer through the communication module 140, the processor 131 performs zero crossing point detection on the current signal through the sampling unit 132, and when a zero crossing point of the current signal is detected, the processor sends an execution instruction to the signal generation unit 133 according to the instruction sent by the upper computer, so as to control the signal generation unit 133 to generate and output a topology characteristic signal to the power line 220 according to the execution instruction, so that the topology characteristic signal is superposed with the current signal on the power line 220.
The circuit breaker comprises a control panel, a processor, a sampling unit, a signal generating unit, a power line and a control signal generating unit, wherein the control panel is provided with the processor, the sampling unit and the signal generating unit, the processor is electrically connected with a communication module, the signal generating unit can generate a topological characteristic signal through the setting, and meanwhile, the output end of the signal generating unit is also connected with the power line.
Optionally, the communication module 140 includes: and each communication unit is used for connecting an upper computer and used as a communication medium between the processor 131 and the upper computer. In one embodiment of the present application, the at least one cell comprises: the power carrier communication unit 141 and/or the cable communication unit 142, and the selection of the specific communication unit may be designed according to the user's needs, and the application is not limited herein.
Of course, the at least one communication unit may also include other types of communication units, not limited to the power carrier communication unit 141 and/or the cable communication unit 142 described above. If the communication module 140 includes various types of communication units, reliability of information transmission between the circuit breaker 100 and an upper computer can be effectively ensured, information transmission faults caused by faults of a certain type of communication unit can be effectively avoided, and normal use of the circuit breaker 100 is ensured.
Fig. 2 is a schematic structural diagram of a circuit breaker according to another embodiment of the present invention, if at least one type of communication unit includes: a power carrier communication unit 141 and a cable communication unit 142, and a schematic diagram of the circuit breaker 100 at this time is shown in fig. 2.
Fig. 3 is a schematic structural diagram of a signal generating unit according to another embodiment of the present invention, and fig. 4 is a waveform diagram of a current signal and a topological characteristic signal after being superimposed, as shown in fig. 4, the signal generating unit 133 includes: resistors R22, R23, R24 and R25; an inductance L4; capacitance Cx 1; the input interface is used for receiving a PWN signal, after the signal generating unit 133 receives an execution instruction sent by the processor 131, the U11 in the signal generating unit 133 is turned on, the R23 and R24 loops generate a voltage signal and a current signal, so that the D23 and L4 loops generate a topology characteristic signal waveform, the amplitude of the loop current is limited by the action of the inductor L4, and the generated topology characteristic signal waveform is superimposed on the current signal on the power line 220 through the output interface, wherein the waveform obtained by superimposing the topology characteristic signal and the current signal is as shown in fig. 4.
For example, the complete application process of the circuit breaker is described above, first, the processor 131 obtains the current signal on the power line 220 sensed by the transformer 120 through the sampling unit 132; the processor 131 then detects the zero crossing point of the current signal, and if the zero crossing point of the current signal is detected, the processor 131 sends an execution instruction to the signal generation unit 133, so that the signal generation unit 133 generates a topology characteristic signal according to the execution instruction and outputs the topology characteristic signal to the power line 220.
Wherein, since one end of the transformer 120 is connected to the sampling unit 132 and the other end is connected to the power line 220, the transformer 120 can transmit the sensed current signal on the power line 220 to the sampling unit 132. After receiving the instruction of the upper computer through the communication module 140, the processor 131 may obtain the current signal on the power line 220 sampled by the sampling unit 132 through the sampling unit 132. The processor 131 may perform zero crossing detection on the acquired current signal after the acquired current signal, and determine whether the current signal crosses the zero crossing point, that is, whether the ordinate of the current signal on the waveform diagram is the zero crossing point.
The execution instruction is used to enable the signal generation unit 133 to generate a topology characteristic signal according to the execution instruction, and output the topology characteristic signal to the power line 220.
Wherein, in an embodiment of the present invention, the execution instruction may be a pulse modulation signal PWN, and the signal generating unit 133 generates the topology characteristic signal according to the PWN signal and the preset signal generating rule after receiving the PWN signal, and sends the generated topology characteristic signal to the power line 220, so as to realize the superposition of the topology characteristic signal and the current signal.
Optionally, in an embodiment of the present invention, executing the instruction includes: and the characteristic parameters are used for enabling the signal generation unit 133 to generate topology characteristic signals corresponding to the characteristic parameters according to the characteristic parameters.
Optionally, in an embodiment of the present invention, the execution instruction is a pulse modulation instruction, and the characteristic parameter includes at least one modulation parameter corresponding to the pulse modulation instruction; the pulse modulation command is used for enabling the signal generating unit 133 to generate a topology characteristic signal corresponding to the pulse modulation command according to the pulse modulation command.
The signal generating unit is controlled to generate the corresponding topological characteristic signal according to the pulse modulation instruction, so that the signal generating unit 133 can generate the topological characteristic signal required by the user according to the pulse modulation instruction, the generation of the topological characteristic signal can be controlled according to the requirement of the user, and if the user needs different topological characteristic signals, only different pulse modulation instructions need to be sent, so that the generation of the topological characteristic signal meets the requirement of the user. Optionally, the at least one modulation parameter includes a preset pulse width, and the pulse width modulation instruction of the preset pulse width is used to enable the signal generating unit 133 to generate the topological characteristic signal of the preset pulse width.
Optionally, the at least one modulation parameter further comprises at least one of: and presetting pulse amplitude, pulse number and pulse frequency. The content included in the specific modulation parameters can be designed according to the user's needs, and is not limited to the parameters given in the above embodiments, and the present invention is not limited thereto.
For example, taking the execution instruction as a pulse modulation instruction and the communication module 140 as the power carrier communication module 140 as an example for description, in an embodiment of the present application, when the processor 131 receives an instruction of an upper computer through the power carrier communication module 140, the processor 131 obtains a current signal on the power line 220 induced by the transformer 120 through the sampling unit 132, and performs zero-crossing point detection and judgment on the current signal. When detecting the zero crossing point of the current signal, the processor 131 sends a PWN signal with a preset pulse width to the signal generating unit 133 at the time of the zero crossing point, in an embodiment of the present invention, the preset pulse width is 1.5ms, but in a specific application, the value of the preset pulse width given in the above embodiment is not limited; after receiving the preset pulse width, the signal generating unit 133 generates a corresponding topology characteristic signal waveform according to a preset modulation parameter, repeatedly sends the topology characteristic signal waveform with a preset pulse amplitude according to a preset period or a preset number of pulses and a preset pulse frequency, and outputs and superimposes the topology characteristic signal generated each time on the current signal of the power line 220.
Adopt the utility model provides a circuit breaker, the treater passes through after the communication unit receives the instruction that the host computer sent, acquires the current signal on the power line through the sampling unit after, carries out the detection at zero point to current signal, after detecting the current signal zero crossing point, sends the execution instruction to signal generation unit, and control signal generation unit produces topological characteristic signal according to the execution instruction to power line output topological characteristic signal, so far accomplish the sending of topological characteristic signal, because signal generation unit is integrated on the circuit breaker, consequently, the utility model provides a circuit breaker need not dispose extra topological characteristic signal generation module, has realized the topological characteristic signal transmission function of circuit breaker, can avoid the wiring mistake that the wiring complicacy caused.
Fig. 5 is a schematic structural diagram of a topological characteristic signal generating system according to an embodiment of the present invention, and as shown in fig. 5, the topological characteristic signal generating system 200 includes: host computer 211, power line 220 and the circuit breaker 100 that fig. 1-4 provided above, wherein:
the upper computer 211 is connected with a communication module 140 in the circuit breaker 100; for sending control commands to the circuit breaker 100; the power line 220 is respectively connected to the signal generating unit 133 of the circuit breaker 100 and one end of the transformer 120, and is configured to transmit a current signal to the circuit breaker 100 and obtain a topological characteristic signal generated by the circuit breaker 100.
Optionally, the utility model discloses an in the embodiment, the host computer can also be for the controlgear of the power equipment of power line connection, wherein, the host computer of being connected with communication module 140 and the host computer of control power equipment can be for same host computer, also can be different host computers, specifically designs according to user's needs, the utility model discloses do not any restriction here.
Adopt the utility model provides a topological characteristic signal generating system, after the treater passes through the instruction that communication unit received first host computer, current signal through the sampling unit collection, carry out the zero crossing point to this current signal and detect the judgement, when this current signal zero crossing point, the treater sends an execution instruction for signal generation unit, control signal generation unit produces the topological characteristic signal waveform that corresponds according to the modulation parameter who predetermines, and with topological characteristic signal output and stack on the current signal of power line, because signal generation unit is direct integrated on the circuit breaker, so need not to add extra topological characteristic signal generation module, alright produce and send topological characteristic signal to the power line, the topological characteristic signal transmission function of circuit breaker has been realized, can avoid the wiring mistake that the wiring complicacy caused.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A circuit breaker, characterized in that the circuit breaker comprises: circuit breaker body, mutual-inductor, control panel and communication module, wherein:
the mutual inductor, the communication module and the control panel are all arranged on the circuit breaker body; the control panel is provided with: the device comprises a processor, a sampling unit and a signal generating unit; the input ends of the sampling unit and the signal generating unit are respectively electrically connected with the processor, and the signal generating unit is used for generating a topological characteristic signal;
the one end of mutual-inductor with the sampling unit electricity is connected, the treater with the communication module electricity is connected, the power line is connected to the other end of mutual-inductor, the output of signal generation unit still is connected the power line, communication module is used for connecting the host computer.
2. The circuit breaker of claim 1, wherein the communication module comprises: a power carrier communication unit and/or a cable communication unit.
3. The circuit breaker according to any one of claims 1-2, characterized in that the signal generation unit comprises: resistors R22, R23, R24 and R25; an inductance L4; capacitance Cx 1; an optical coupler U11; a thyristor D32; a piezoresistor RV4, wherein:
one end of the optocoupler U11 is respectively connected with the resistor R22 and the digital ground, and the other end of the optocoupler U11 is respectively connected with the resistor R23 and the controlled silicon D32;
the resistor R23, the resistor R25, the inductor L4 and the controlled silicon D32 are respectively connected with the piezoresistor RV 4;
the resistor R24, the capacitor Cx1 and the voltage dependent resistor RV4 are respectively connected with the controllable silicon D32, and the resistor R25 is connected with the capacitor Cx 1.
4. The circuit breaker of claim 3, wherein the optocoupler U11 includes: 1 foot, 2 foot, 4 feet and 6 feet, wherein:
the resistor R22 is connected with a pin 1 of the optocoupler U11;
2 pins of the optical coupler U11 are grounded;
the 4 pins of the optocoupler U11, the resistor R24, the capacitor Cx1 and the piezoresistor RV4 are respectively connected with the controllable silicon D32, and the resistor R25 is connected with the capacitor Cx 1;
one end of the resistor R23 is connected with the 6 pins of the optocoupler U11, and the other end of the resistor R23 is respectively connected with the resistor R25, the inductor L4, the controlled silicon D32 and the piezoresistor RV 4.
5. A topological feature signal generation system, said system comprising: host computer, circuit breaker and power line, the circuit breaker be the circuit breaker of any one of above-mentioned claim 1-4, wherein:
the upper computer is connected with the communication module in the circuit breaker; the power line is respectively connected with the signal generating unit in the circuit breaker and one end of the mutual inductor.
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| CN202020235192.5U CN211375344U (en) | 2020-02-28 | 2020-02-28 | Circuit breaker and topological characteristic signal generating system |
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| CN202020235192.5U CN211375344U (en) | 2020-02-28 | 2020-02-28 | Circuit breaker and topological characteristic signal generating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111198516A (en) * | 2020-02-28 | 2020-05-26 | 上海良信电器股份有限公司 | Circuit breaker, topological characteristic signal generation system, method and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111198516A (en) * | 2020-02-28 | 2020-05-26 | 上海良信电器股份有限公司 | Circuit breaker, topological characteristic signal generation system, method and device |
| CN111198516B (en) * | 2020-02-28 | 2024-06-18 | 上海良信电器股份有限公司 | Circuit breaker, topology characteristic signal generation system, method and device |
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