CN215731498U - Switch controller and system - Google Patents

Switch controller and system Download PDF

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Publication number
CN215731498U
CN215731498U CN202121250728.1U CN202121250728U CN215731498U CN 215731498 U CN215731498 U CN 215731498U CN 202121250728 U CN202121250728 U CN 202121250728U CN 215731498 U CN215731498 U CN 215731498U
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signal
control
module
switch
control module
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刘定忠
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Guangdong Fanfan Industrial Investment Co ltd
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Guangdong Fanfan Industrial Investment Co ltd
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Abstract

The utility model relates to a switch controller, which comprises a control module, a communication module and a protector, wherein the control module is respectively connected with the communication module and the protector; the protector includes two switch tubes, and the control pole parallel connection of two switch tubes is to control module, and the first utmost point of two switch tubes is series connection each other, and the second pole of one of them switch tube is used for being connected with the input of power consumption return circuit, and the second pole of another switch tube is used for being connected with the output of power consumption return circuit, wherein: the communication module is used for receiving a first control signal sent by external equipment and inputting the first control signal to the control module; the control module is used for inputting a level signal to a control electrode of the switching tube under the driving of a first control signal; and the switching tube is used for realizing conduction or disconnection under the driving of the level signal. The utility model also relates to a system applying the switch controller. The switch controller and the system have the advantages of high response speed, high protection reliability and high operation safety.

Description

Switch controller and system
Technical Field
The utility model relates to the technical field of switch control, in particular to a switch controller and a system.
Background
At present, with the continuous development of switch control technology, switch controllers are widely applied to various power utilization occasions.
In the related art, the switch controller includes a relay installed at an input side of the power consumption circuit, and controls the on/off of the power consumption circuit by controlling the engagement or the disengagement of a contact of the relay, and the engagement or the disengagement of the relay is a mechanical movement process, and thus, it takes a certain time to control the engagement or the disengagement of the contact of the relay.
SUMMERY OF THE UTILITY MODEL
However, in practical applications, circuit faults (such as short circuit, severe sparking phenomenon, and fire) of the power utilization circuit often occur in a moment, and the power utilization circuit which fails to be in fault cannot be timely powered off due to the fact that the time consumed in the disconnection process of the relay is long, that is, the response speed of disconnection is slow, so that the occurrence of the circuit faults is suppressed, the power utilization circuit is damaged, and the protection reliability of the relay on the power utilization circuit is low; because the user need control at the setting scene of switch controller, through controlling the button on the switch controller, just can realize controlling the relay, when circuit fault, there is certain potential safety hazard in user direct contact switch controller, leads to the security low.
Accordingly, there is a need for a switch controller and system with fast response, high protection reliability, and high operational safety.
The utility model provides a switch controller, which comprises a control module, a communication module and a protector, wherein the control module is respectively connected with the communication module and the protector; the protector comprises two switching tubes, control electrodes of the two switching tubes are connected to the control module in parallel, first electrodes of the two switching tubes are connected with each other in series, a second electrode of one switching tube is used for being connected with an input end of an electricity utilization loop, and a second electrode of the other switching tube is used for being connected with an output end of the electricity utilization loop, wherein:
the communication module is used for receiving a first control signal sent by external equipment and inputting the first control signal to the control module;
the control module is used for inputting a level signal to a control electrode of the switching tube under the driving of the first control signal;
and the switching tube is used for realizing connection or disconnection under the drive of the level signal.
In one embodiment, the switching tube includes field effect transistors, the gates of two of the field effect transistors are connected in parallel to the control module, the sources of two of the field effect transistors are connected in series, and the drain of one of the field effect transistors is used for connecting with the input end of the power utilization loop, and the drain of the other field effect transistor is used for connecting with the output end of the power utilization loop.
In one embodiment, the switch controller further comprises an electrical acquisition unit connected to the control module, wherein:
the electrical acquisition unit is connected between the second pole of the switch tube and the input end of the electricity utilization loop so as to acquire an electrical signal of the electricity utilization loop and input the electrical signal to the control module;
the control module is used for comparing the electrical signal with a preset signal threshold value, judging and generating a judgment signal, generating a second control signal under the driving of the judgment signal, and inputting a level signal to a control electrode of the switching tube under the driving of the second control signal so as to control the switching tube to be switched on or switched off.
In one embodiment, the control module includes a main control unit and a comparator, a first input end of the comparator is connected to the electrical acquisition unit, and a second output end and an output end of the comparator are respectively connected to the main control unit, wherein:
the comparator is used for receiving the electrical signal through a first input end of the comparator, receiving a preset signal threshold value sent by the main control unit through a second input end of the comparator, comparing the electrical signal with the preset signal threshold value, judging and generating a judgment signal, and inputting the judgment signal to the main control unit through an output end of the comparator;
and the main control unit is used for generating a second control signal under the driving of the judgment signal so as to control the on/off of the switching tube.
In one embodiment, the main control unit is connected to the communication module, wherein:
the communication module is used for receiving a threshold updating signal sent by the external equipment and inputting the threshold updating signal to the main control unit; the threshold updating signal is used for indicating the main control unit to update the preset signal threshold;
and the main control unit is used for updating the current preset signal threshold under the driving of the threshold updating signal and inputting the updated preset signal threshold to the second input end of the comparator.
In one embodiment, the switch controller further comprises a switch module connected to the control module, the switch module being configured to be connected between the second pole of the switching tube and the end of the utilization circuit, wherein:
the control module is used for inputting the first control signal to the switch module;
the switch module is used for being switched on or switched off under the driving of the first control signal.
In one embodiment, the switch controller further comprises a signal acquisition module connected to the control module, wherein:
the signal acquisition module is used for acquiring a signal to be transmitted and inputting the signal to be transmitted to the control module; the signal to be transmitted comprises an image signal and/or an electric signal of an electricity utilization loop;
the control module is used for inputting the signal to be transmitted to the external equipment through the communication module.
In one embodiment, the signal acquisition module comprises an electrical acquisition unit and/or an image acquisition unit, wherein:
the electric acquisition unit is connected between the second pole of the switch tube and the input end of the electricity utilization loop, acquires an electric signal of the electricity utilization loop and inputs the electric signal to the control module;
the image acquisition unit is used for acquiring the image signal and inputting the image signal to the control module.
In one embodiment, the communication module includes at least one of a power carrier communication unit for communicatively coupling with the external device by way of power carrier communication, a remote communication unit for communicatively coupling with the external device by way of remote communication, and a short-range communication unit for communicatively coupling with the external device by way of short-range communication.
A switch control system comprises gateway equipment and the switch controller, wherein the switch controller is in communication connection with the gateway equipment through a communication module.
In the switch controller and the system, the switch protection module is formed by two mutually connected switch tubes, the switch driver inputs a control signal (namely a level signal) to the switch tubes under the driving of the first judgment signal so as to control the on-off of the switch tubes, and the switch protection module can be switched on or off at a high speed due to the high response speed of the switch tubes to the level signal, so that a condition is provided for realizing the high-speed on-off function of the protector, and the response speed of the control signal and the protection reliability of a power circuit are improved; moreover, through the arrangement of the communication module, the switch controller can receive a first control signal of the external equipment, namely, a condition is provided for the switch controller through the control of the external equipment by a user, the switch controller does not need to be directly contacted, the operation safety is improved, a foundation is provided for unified management and centralized control of multiple power utilization loops, and the use convenience of the switch controller is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a switch controller according to an embodiment;
FIG. 2 is a schematic diagram of an embodiment of an electrical collection unit applied to a switch controller;
FIG. 3 is a circuit diagram of one embodiment of the switch controller of FIG. 2;
FIG. 4 is a schematic diagram of a switch module of an embodiment applied to a switch controller;
fig. 5 is a schematic structural diagram of a signal acquisition module applied to a switch controller according to an embodiment;
FIG. 6 is a circuit diagram of one embodiment of the switch controller of FIG. 5;
fig. 7 is a schematic structural diagram of a communication module of an embodiment applied to a switch controller;
fig. 8 is a schematic structural diagram of a switch control system according to an embodiment.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another. For example, a first resistance may be referred to as a second resistance, and similarly, a second resistance may be referred to as a first resistance, without departing from the scope of the present application. The first resistance and the second resistance are both resistances, but they are not the same resistance.
It is to be understood that "connection" in the following embodiments is to be understood as "electrical connection", "communication connection", and the like if the connected circuits, modules, units, and the like have communication of electrical signals or data with each other.
As used herein, the singular forms "a", "an" and "the" may include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises/comprising," "includes" or "including," etc., specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof. Also, as used in this specification, the term "and/or" includes any and all combinations of the associated listed items.
As shown in fig. 1, the switch controller 100 of an embodiment, the switch controller 100 is applied to a power utilization circuit 40 powered by an AC power source, and includes a control module 10, a communication module 20, and a protector 30.
It should be noted that, in some embodiments, the switch controller 100 may be applied to the power utilization circuit 40 with a single-phase single-circuit structure, and report the operation state of the power utilization circuit 40 with the single-phase single-circuit structure to the external device 50, so as to provide conditions for remote management and control of the single power utilization circuit 40; in other embodiments, the switch controller 100 may also be applied to the power utilization circuits 40 with a single-phase multi-path structure, that is, the switch controller 100 simultaneously monitors the multi-path power utilization circuits 40, and reports the operating states of the power utilization circuits 40 of each path to the external device 50, thereby providing conditions for unified management and centralized control of the multi-path power utilization circuits 40; of course, in other embodiments, the switch controller 100 may also be applied to the three-phase single-circuit power utilization circuit 40.
Specifically, the method comprises the following steps:
the control module 10 is respectively connected with the communication module 20 and the protector 30; it should be noted that the control module 10 is used as a control center, and is not only used for controlling and managing other modules in the control circuit 10 to work, but also used for performing signal processing on related electrical signals, and the specific structural form of the control module 10 is not limited, for example, in some embodiments, the control module 10 includes a DSP chip and a single chip.
The protector 30 includes two switching tubes M1, M2, control electrodes of the two switching tubes are connected to the control module 10 IN parallel, first electrodes of the two switching tubes M1, M2 are connected IN series with each other, a second electrode of one of the switching tubes M1 is used for being directly or indirectly connected with an input terminal IN of the power utilization circuit 40 (that is, another device is also connected between the second electrode of the switching tube M1 and the input terminal IN of the power utilization circuit 40), and a second electrode of the other switching tube M2 is used for being directly or indirectly connected with an output terminal OUT of the power utilization circuit 40 (that is, another device is also connected between the second electrode of the switching tube M2 and the output terminal OUT of the power utilization circuit 40).
It should be noted that the switch includes, but is not limited to, field effect transistors (i.e., MOS transistors, abbreviated as MOSFETs), the sources (i.e., first poles) of two field effect transistors (i.e., M1 and M2) are connected IN series with each other, the gates (i.e., control poles) of the two field effect transistors are connected IN parallel to the control module 10, and when the protector 30 is applied to the power utilization circuit 40, the drain (i.e., second pole) of one of the field effect transistors M1 is connected to the input terminal IN of the power utilization circuit 40, and the drain (i.e., second pole) of the other field effect transistor M2 is connected to the output terminal OUT of the power utilization circuit 40. Of course, in other embodiments, the switching transistor with other structures is also feasible, and the detailed description thereof is omitted.
In addition, it should be noted that:
the communication module 20 is configured to receive a first control signal sent by the external device 50, and input the first control signal to the control module 10. It should be noted that the specific configuration of the external device 50 is not limited, and the external device 50 includes a first device communicatively connected to the Communication module 20 by Power Line Communication (PLC), and a second device communicatively connected to the Communication module 20 by wireless Communication, where the wireless Communication includes long-range Communication and short-range Communication.
And the control module 10 is used for inputting a level signal to the control electrode of the switching tube under the driving of the first control signal.
And the switching tubes M1 and M2 are used for realizing the on or off under the driving of the level signal.
In the switch controller 100, a switch protection module is composed of two interconnected switch tubes, and a switch driver inputs a control signal (i.e. a level signal) to the switch tubes under the driving of a first judgment signal to control the on/off of the switch tubes, so that the switch protection module can be switched on or off at a high speed due to the high response speed of the switch tubes to the level signal, and a condition is provided for realizing the high-speed on/off function of the protector 30, in some embodiments, the single off time or the on time of the protector 30 of the present invention reaches 6 microseconds, and the response speed to the control signal and the protection reliability to the power utilization loop 40 are effectively improved; moreover, through the arrangement of the communication module 20, the switch controller 100 can receive the first control signal of the external device 50, that is, a condition is provided for the switch controller 100 through the control of the external device 50 by a user, and the switch controller 100 does not need to be directly contacted, so that the operation safety is improved, a basis is provided for the unified management and the centralized control of the multiple power utilization circuits 40, and the use convenience of the switch controller 100 is improved.
As shown in fig. 1-3, in one embodiment, the switch controller 100 further comprises an electrical acquisition unit 61, the electrical acquisition unit 61 being connected to the control module 10, wherein:
and the electrical acquisition unit 61 is connected between the second pole of the switching tube M1 and the input terminal IN of the power utilization circuit 40, and is used for acquiring an electrical signal of the power utilization circuit 40 and inputting the electrical signal to the control module 10.
The control module 10 has a threshold judgment function and an on-off control function, specifically:
in the threshold judgment stage, the control module 10 is configured to compare and judge the electrical signal with a preset signal threshold, and generate a judgment signal according to a comparison and judgment result.
Wherein the judgment signal is actually a threshold judgment result, the judgment signal is the basis for the control module 10 to control the protector 30, that is, the control module 10 provides a condition for identifying a control demand for the protector 30 based on the determination signal, for example, if it is set that a demand for opening the protector 30 is generated when the electrical signal is outside a range of a preset signal threshold, the need to turn on the protector 30 occurs when the electrical signal is within a preset signal threshold, then, in actual use, when the control module 10 determines that the electrical signal is outside of the range of the preset signal threshold, a first judgment signal indicating that the electrical signal is outside the range of the preset signal threshold is input to the control module 10, and when the control module 10 judges that the electrical signal is within the range of the preset signal threshold, a second determination signal indicative of the electrical signal being within a predetermined signal threshold is input to the control module 10.
In the on-off control phase, the control module 10 generates a second control signal under the driving of the determination signal, and inputs a level signal to the gates of the switching tubes M1 and M2 under the driving of the second control signal to control the switching tubes M1 and M2 to be turned on or off.
Specifically, when the control module 10 receives the first determination signal, it generates an off control signal under the driving of the first determination signal, and inputs a level signal to the control electrodes of the switching tubes M1 and M2 under the driving of the off control signal, so as to open the protector 30, thereby powering off the electric circuit 40; when the control module 10 receives the second determination signal, the control module 10 generates a conduction control signal under the driving of the second determination signal, and under the driving of the conduction control signal, the control module 10 inputs a level signal to the control electrodes of the switching tubes M1 and M2 to turn on the protector 30, so that the electric circuit 40 is used for conduction; of course, the specific setting of the first determination signal and the second determination signal is only an example, and the specific embodiment is not limited thereto, and the user may set the on and off conditions of the protector 30 by setting the preset signal threshold and setting the relative magnitude relationship between the electrical signal and the preset signal threshold according to the actual use requirement, which is not described herein again.
And the switching tubes M1 and M2 are used for realizing the on or off under the driving of the level signal. Specifically, the switching tubes M1 and M2 are turned off by the off control signal, and the switching tubes M1 and M2 are turned on by the on control signal.
In the above structure, the electric acquisition unit 61 and the control module 10 are matched, so that the control module 10 can control the on/off of the switching tubes M1 and M2 according to the real-time running state of the power utilization circuit 40, and when the power utilization circuit 40 has a power utilization fault, the automatic control protector 30 can be rapidly disconnected, the power utilization circuit 40 can be better protected, and the use reliability is improved.
It should be noted that the specific structural form of the control module 10 is not limited, for example, in one embodiment, the control module 10 includes a main control unit 11 and a comparator 12, a first input end of the comparator 12 is connected to the electrical collecting unit 61, and a second output end and an output end of the comparator 12 are respectively connected to the main control unit 11, where:
the comparator 12 is configured to receive an electrical signal through a first input end thereof, receive a preset signal threshold value sent by the main control unit 11 through a second input end thereof, compare the electrical signal with the preset signal threshold value, judge and generate a judgment signal, and input the judgment signal to the main control unit 11 through an output end thereof;
and the main control unit 11 is used for generating a second control signal under the driving of the judgment signal so as to control the switching tube to be switched on or switched off.
In one embodiment, the main control unit 11 is connected with the communication module 20, wherein:
a communication module 20, configured to receive a threshold update signal sent by the external device 50 and input the threshold update signal to the main control unit 11; the threshold updating signal is used for instructing the main control unit 11 to update a preset signal threshold;
the main control unit 11 is configured to update the current preset signal threshold under the driving of the threshold update signal, and input the updated preset signal threshold to the second input end of the comparator 12.
Through the setting, a condition is provided for a user to remotely configure the preset signal threshold, so that the switch controller 100 can better adapt to the change of the power utilization scene where the power utilization loop 40 is located under the user-defined threshold setting operation of the user, and the applicability of the switch controller 100 is improved.
As shown in fig. 1 and 4, in one embodiment, the switch controller 100 further includes a switch module 70, the switch module 70 is connected to the control module 10, the switch module 70 is configured to be connected between the second pole of the switch M2 and the output OUT of the power utilization circuit 40, wherein:
the control module 10 is configured to input a first control signal to the switch module 70. Specifically, for example, in some embodiments, a user operates the external device 50 to input a first control signal to the communication module 20 of the switch controller 100, the communication module 20 inputs the first control signal to the control module 10, the control module 10 generates a corresponding level signal to control the protector 30 to be turned on or off under the driving of the first control signal, and the control module 10 inputs the first control signal to the switch module 70 at the same time, so as to provide a condition for controlling the switch module 70, so that the switch controller 100 has a remote control function.
And the switching module 70 is used for switching on or off under the driving of the first control signal. It should be noted that the specific configuration and number of the switch modules 70 are not limited, and the switch modules 70 include, but are not limited to, at least one of a circuit breaker and a relay, for example, in some embodiments, the switch modules 70 are relays.
It should be noted that the first control signal includes at least one of an off control signal and an on control signal, when the communication module 20 receives the off control signal, the control module 10 controls the switch module 70 to be turned off in the off control signal, so as to control the power consumption circuit 40 to be turned off, and when the communication module 20 receives the on control signal, the control module 10 controls the switch module 70 to be turned on in the on control signal, so as to control the power consumption circuit 40 to be turned on.
When the control module 10 controls the protector 30 to be disconnected, the control module 10 controls the contact of the relay to be disconnected, and when the power utilization loop 40 cannot be subjected to power-off protection through the switching tube, the contact of the relay is disconnected, so that the power utilization loop 40 can be ensured to be disconnected, and the reliability of power-off protection is improved; when the need for conduction of the power consumption circuit 40 arises after the event of power-off protection of the power consumption circuit 40 is eliminated, the contact of the control relay is engaged before the protector 30 is controlled to conduct, so that the subsequent high-speed conduction control of the protector 30 is based.
Of course, in other embodiments, the control module 10 may also input the second control signal into the switch module 70 to control the switch module 70 to be turned on or off, which is not described herein again.
As shown in fig. 1 and 5, in one embodiment, the switch controller 100 further includes a signal acquisition module 60, and the signal acquisition module 60 is connected to the control module 10, wherein:
the signal acquisition module 60 is configured to acquire a signal to be transmitted and input the signal to be transmitted to the control module 10; the signal to be transmitted includes an image signal and/or an electrical signal of the power utilization circuit 40, the image signal is a signal related to an image of an application scene where the switch controller 100 is located, and the electrical signal of the power utilization circuit 40 is an electrical signal for representing an operation state of the power utilization circuit 40.
The control module 10 is configured to input a signal to be transmitted to the external device 50 through the communication module 20.
As shown IN fig. 1 and 6, IN one embodiment, the signal acquisition module 60 includes an electrical acquisition unit 61 connected to the control module 10, and the electrical acquisition unit 61 is configured to be connected between the second pole of the switching tube M1 and the input terminal IN of the power utilization circuit 40, acquire an electrical signal of the power utilization circuit 40, and input the electrical signal to the control module 10.
The electrical signal includes a current signal and/or a voltage signal, and the current signal includes, but is not limited to, an operating current signal of the power utilization circuit 40 (which is a current signal for providing power when the power utilization circuit 40 operates) and a residual current signal of the power utilization circuit 40 (which is a current signal with a sum of phase current vectors in the power utilization circuit 40 that is different from zero, and is commonly referred to as a leakage current signal).
It should be noted that, the specific structural form of the electrical collecting unit 61 is not limited, and the electrical collecting unit 61 includes but is not limited to at least one of a current collecting unit for collecting an operating current signal of the power consumption circuit 40, a current transformer for collecting a residual current signal of the power consumption circuit 40, and a voltage collecting unit for collecting a voltage signal of the power consumption circuit 40, and the electrical collecting unit may be specifically configured according to a requirement of actual use.
For example, in some embodiments, the electrical collecting unit 61 includes a current collecting unit, a current transformer, and a voltage collecting unit, and the current collecting unit collects the operating current signal IAThe current transformer collects residual current signals IBThe voltage acquisition unit acquires a voltage signal V, and at the moment, the electrical acquisition unit 61 acquires an operating current signal IAResidual current signal IBAnd the voltage signal V is input to the communication module 20 via the control module 10, and the communication module 20 transmits the above-mentioned electric signal (i.e., I)A、IBAnd V) power carrier to external device 50 over the power line, for external device 50 to respond to the electrical signal (i.e., I)A、IBAnd V) displays to provide a basis for characterizing operational status information of the power utilization circuit 40.
As shown in fig. 1 and 6, in one embodiment, the signal acquisition module 60 includes an image acquisition unit 62 connected to the control module 10, and the image acquisition unit 62 is configured to acquire an image signal and input the image signal to the control module 10.
For example, in some embodiments, the image acquisition unit 62 is a video camera, the video camera records the application scene where the switch controller 100 is located, acquires video picture data, processes the video picture data into a video signal, and finally inputs the video signal to the communication module 20 via the control module 10, and the communication module 20 transmits the video signal to the external device 50 through a power line in a power carrier manner, so as to provide a basis for the external device 50 to display the video picture of the application scene where the switch controller 100 is located according to the video signal. Of course, in other embodiments, it is also feasible that the image capture unit 62 takes a picture of the application scene where the switch controller 100 is located to obtain the photo image data, and thus the photo image signal.
It should be noted that, as shown in fig. 7, the specific structural form of the communication module 20 is not limited, in one embodiment, the communication module 20 includes but is not limited to at least one of the power carrier communication unit 21, the remote communication unit 22 and the short-range communication unit 23, and the communication mode adopted by the communication module 20 with different structural forms is not limited, and for convenience of description, the specific structural form is:
in one embodiment, the communication module 20 includes a power carrier communication unit 21, and the power carrier communication unit 21 (also called PLC communication module 20) is configured to be connected to the external device 50 by power carrier communication, so that the power carrier communication unit 21 can transmit an electrical signal to the first device 51 through a power line.
The first device 51 is a device provided with the power carrier communication unit 21, for example, in some embodiments, the external device 50 is a gateway device provided with the power carrier communication unit 21, and the switch controller 100 is connected to the gateway device through a power line, so that power transmission between the gateway device and the switch controller 100 is realized, and signal interaction through power carrier communication is also realized.
The control module 10 is configured to input a signal to be transmitted to the first device 51 through the power carrier communication unit 21. For example, in some embodiments, the control module 10 inputs a signal to be transmitted to the power carrier communication unit 21, and the power carrier communication unit 21 is configured to input the signal to be transmitted to the gateway device through the power line.
In the switch controller 100, the power carrier communication unit 21 is provided, and the power carrier communication unit 21 is in communication connection with the first device 51 in a power carrier communication manner, that is, a condition is provided for the switch controller 100 to communicate with the first device 51 in the power carrier communication manner through a power line, a condition is provided for the remote control of the switch controller 100, and the switch controller 100 does not need to additionally provide a communication line, so that the circuit arrangement is simplified, and the structure is simplified.
For another example, in one embodiment, the switch controller 100 further includes a remote communication unit 22 connected to the control module 10, the remote communication unit 22 is communicatively connected to the second device by remote communication to implement signal interaction between the switch controller 100 and the second device 52, the remote communication unit 22 is configured to receive the first control signal sent by the second device 52, and the switch controller 100 controls the protector 30 under the driving of the first control signal.
Further, the remote communication unit 22 includes, but is not limited to, at least one of a narrowband internet of things communication module (i.e., NB-IoT communication module) and a mobile communication module, and the manner of remote communication depends on the specific setting of the remote communication unit 22, wherein the narrowband internet of things communication module is in communication connection with the second device 52 through a wide area network, and the mobile communication module includes, but is not limited to, one of a 2G communication module, a 3G communication module, a 4G communication module, and a 5G communication module, and the mobile communication module is in communication connection with the second device 52 through a mobile network.
It should be noted that the specific type of the remote communication unit 22 is not limited, and in practical applications, the specific type of the remote communication unit 22 may be specifically set according to the remote communication connection mode required in different application scenarios. For example, in the present embodiment, the remote communication unit 22 is a narrow-band internet-of-things communication module, the switch controller 100 is connected to the wide area network through the narrow-band internet-of-things communication module, the second device 52 inputs the first control signal to the switch controller 100 through the narrow-band internet-of-things communication module through the wide area network, and the first control signal includes one of a turn-off control signal and a turn-on control signal, and the switch controller 100 controls the protector 30 to be turned on under the driving of the turn-off control signal, or controls the protector 30 to be turned on under the driving of the turn-on control signal.
In one embodiment, the switch controller 100 further includes a short-range communication unit 23 connected to the control module 10, the short-range communication unit 23 is communicatively connected to the external device 50 by short-range communication to implement signal interaction between the switch controller 100 and the second device 52, and the short-range communication unit 23 is configured to receive the first control signal transmitted by the second device 52.
Further, the short-range communication unit 23 includes at least one of a bluetooth communication module, a Wi-Fi module, an infrared communication module, a ZigBee (i.e., ultraviolet band) communication module, and a UVB (Ultra WideBand) communication module, and the short-range communication mode is determined according to a specific setting of the long-range communication unit 22.
It should be noted that the specific type of the short-range communication unit 23 is not limited, and in practical applications, the specific type of the short-range communication unit 23 may be specifically set according to the short-range communication connection mode required in different application scenarios. For example, in the present embodiment, the short-range communication unit 23 is a bluetooth communication module 20, the switch controller 100 forms a bluetooth connection with the second device 52 through the bluetooth communication module 20, the second device 52 inputs a first control signal to the switch controller 100 through the bluetooth communication module 20 by means of bluetooth transmission, the first control signal includes one of a turn-off control signal and a turn-on control signal, and the switch controller 100 controls the protector 30 to be turned on under the driving of the turn-off control signal or controls the protector 30 to be turned on under the driving of the turn-on control signal.
In the above structure, the second device 52 includes, but is not limited to, a remote control device, a mobile terminal (e.g., a mobile phone, a tablet computer) or a computer, which can be selected according to actual situations.
As shown in fig. 1 and 8, a switch control system of an embodiment includes the switch controller 100 of any one of the above embodiments, which may include various modifications, and for convenience of description, a specific structure of the switch control system is described below by taking one of the embodiments as an example, specifically:
the switch control system 800 includes a gateway device 51a and a switch controller 100, and the switch controller 100 is communicatively connected to the gateway device 51a through a communication module 20.
Preferably, when the communication module 20 is a power carrier communication unit, that is, between the switch controller 100 and the gateway 51a device, power carrier communication can be realized through a power line.
Further, the user may operate the gateway device to enable the gateway device 51a to generate the first control signal, and input the first control signal into the switch controller 100 through the power line; or, when the gateway device 51a is in communication connection with the cloud server, the user may upload the first control signal to the cloud server through the second device 52a (for example, a mobile terminal), issue the first control signal to the gateway device 51a through the cloud server, input the first control signal to the switch controller 100 through the power line, and the control module 10 controls the protector 30 to be turned on or turned off under the driving of the first control signal.
In the switch control system 800, no additional communication line is required to be arranged between the switch controller 100 and the gateway device, so that the circuit arrangement is simplified, and the circuit structure is simplified.
In the description herein, references to the description of "some embodiments," "other embodiments," "desired embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, a schematic description of the above terminology may not necessarily refer to the same embodiment or example.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A switch controller is characterized by comprising a control module, a communication module and a protector, wherein the control module is respectively connected with the communication module and the protector; the protector comprises two switching tubes, control electrodes of the two switching tubes are connected to the control module in parallel, first electrodes of the two switching tubes are connected with each other in series, a second electrode of one switching tube is used for being connected with an input end of an electricity utilization loop, and a second electrode of the other switching tube is used for being connected with an output end of the electricity utilization loop, wherein:
the communication module is used for receiving a first control signal sent by external equipment and inputting the first control signal to the control module;
the control module is used for inputting a level signal to a control electrode of the switching tube under the driving of the first control signal;
and the switching tube is used for realizing connection or disconnection under the drive of the level signal.
2. The switch controller of claim 1, wherein the switch tube comprises two field effect transistors, gates of the two field effect transistors are connected to the control module in parallel, sources of the two field effect transistors are connected in series, and a drain of one of the field effect transistors is used for connecting with an input end of the power utilization loop, and a drain of the other field effect transistor is used for connecting with an output end of the power utilization loop.
3. The switch controller of claim 1, further comprising an electrical acquisition unit coupled to the control module, wherein:
the electrical acquisition unit is connected between the second pole of the switch tube and the input end of the electricity utilization loop so as to acquire an electrical signal of the electricity utilization loop and input the electrical signal to the control module;
the control module is used for comparing the electrical signal with a preset signal threshold value, judging and generating a judgment signal, generating a second control signal under the driving of the judgment signal, and inputting a level signal to a control electrode of the switching tube under the driving of the second control signal so as to control the switching tube to be switched on or switched off.
4. The switch controller of claim 3, wherein the control module comprises a main control unit and a comparator, a first input terminal of the comparator is connected to the electrical acquisition unit, and a second output terminal and an output terminal of the comparator are respectively connected to the main control unit, wherein:
the comparator is used for receiving the electrical signal through a first input end of the comparator, receiving a preset signal threshold value sent by the main control unit through a second input end of the comparator, comparing the electrical signal with the preset signal threshold value, judging and generating a judgment signal, and inputting the judgment signal to the main control unit through an output end of the comparator;
and the main control unit is used for generating a second control signal under the driving of the judgment signal so as to control the on/off of the switching tube.
5. The switch controller of claim 4, wherein the master control unit is connected to the communication module, and wherein:
the communication module is used for receiving a threshold updating signal sent by the external equipment and inputting the threshold updating signal to the main control unit; the threshold updating signal is used for indicating the main control unit to update the preset signal threshold;
and the main control unit is used for updating the current preset signal threshold under the driving of the threshold updating signal and inputting the updated preset signal threshold to the second input end of the comparator.
6. The switch controller according to any of claims 1-5, further comprising a switch module coupled to the control module, the switch module configured to be coupled between the second pole of the switching tube and the end of the utilization circuit, wherein:
the control module is used for inputting the first control signal to the switch module;
the switch module is used for being switched on or switched off under the driving of the first control signal.
7. The switch controller of claim 1, further comprising a signal acquisition module coupled to the control module, wherein:
the signal acquisition module is used for acquiring a signal to be transmitted and inputting the signal to be transmitted to the control module; the signal to be transmitted comprises an image signal and/or an electric signal of an electricity utilization loop;
the control module is used for inputting the signal to be transmitted to the external equipment through the communication module.
8. The switch controller of claim 7, wherein the signal acquisition module comprises an electrical acquisition unit and/or an image acquisition unit, wherein:
the electric acquisition unit is connected between the second pole of the switch tube and the input end of the electricity utilization loop, acquires an electric signal of the electricity utilization loop and inputs the electric signal to the control module;
the image acquisition unit is used for acquiring the image signal and inputting the image signal to the control module.
9. The switch controller of claim 7, wherein the communication module comprises at least one of a power carrier communication unit configured to communicatively couple with the external device via power carrier communication, a remote communication unit configured to communicatively couple with the external device via remote communication, and a short range communication unit configured to communicatively couple with the external device via short range communication.
10. A switch control system comprising a gateway device and a switch controller according to any one of claims 1 to 9, said switch controller being communicatively coupled to said gateway device via a communication module.
CN202121250728.1U 2021-06-04 2021-06-04 Switch controller and system Active CN215731498U (en)

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CN202121250728.1U CN215731498U (en) 2021-06-04 2021-06-04 Switch controller and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121250728.1U CN215731498U (en) 2021-06-04 2021-06-04 Switch controller and system

Publications (1)

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