CN111897277A - Electric equipment control system - Google Patents
Electric equipment control system Download PDFInfo
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- CN111897277A CN111897277A CN202010990237.4A CN202010990237A CN111897277A CN 111897277 A CN111897277 A CN 111897277A CN 202010990237 A CN202010990237 A CN 202010990237A CN 111897277 A CN111897277 A CN 111897277A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 59
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- 238000006243 chemical reaction Methods 0.000 claims description 26
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
Abstract
The invention discloses an electric equipment control system, which comprises: the system comprises a switch signal sending node, an electric equipment control node and a communication node; the switch signal sending node comprises a passive wireless switch; the electric equipment control node comprises a switch signal receiving module, a main control module, an electric equipment control module and an electric quantity monitoring module of electric equipment. The passive wireless switch is used as a switch control signal sending node, power supply wiring and battery replacement are not needed, and construction cost is reduced; in addition, the electric quantity monitoring module of the electric equipment is directly connected to the power supply circuit of the electric equipment, the voltage and current data of the electric equipment can be sampled in real time, the electric quantity of the electric equipment can be obtained, and finally the electric quantity is transmitted to the server, so that the real-time monitoring of the electric quantity of the electric equipment can be realized, namely the system monitoring of the electric quantity of each electric appliance in the building is realized, and the intelligent management of a user on the electric appliances in the building is improved.
Description
Technical Field
The invention relates to the technical field of building electrical appliance control, in particular to an electric equipment control system.
Background
With the rapid development of the internet of things, the application field of the internet of things is more and more extensive, and the internet of things is gradually integrated into the daily life of people, for example, the internet of things home, the internet of things medical treatment, the internet of things automobile and the like, so that the convenience of the daily life of people is greatly improved.
Meanwhile, along with the continuous development of the building industry, the demand of the building intelligent market is more and more extensive, and the current scheme for building electric appliance intelligent control in the building intelligent market is mainly divided into the following two schemes: (1) based on the centralized control of a field bus, and a special electric line monitoring tool is adopted for periodic or online monitoring; (2) and intelligent control of the electric appliance is realized by adopting different types of intelligent switches and intelligent sockets.
According to the scheme (1), although the electric quantity detection of each electric appliance can be realized, rewiring is required, a special electric monitoring tool is used, and the construction engineering quantity and the cost are relatively high; scheme (2) can only realize the power consumption monitoring of single electrical apparatus, can't realize the power consumption monitoring of electrical apparatus in the whole building, does not form systematization and intellectuality, and still has the problem of wiring simultaneously. Therefore, how to realize systematic monitoring of each electric appliance in the building and avoid rewiring becomes a problem to be solved urgently.
Disclosure of Invention
The invention aims to solve the problems that wiring is needed and systematic monitoring cannot be realized in the existing intelligent control of electric appliances in a building, and provides an electric equipment control system which does not need wiring and can monitor the power consumption of each electric equipment in a systematic mode.
The technical scheme adopted by the invention is as follows:
the invention provides an electric equipment control system, comprising: the system comprises a switch signal sending node, an electric equipment control node and a communication node;
the switch signal transmitting node comprises a passive wireless switch;
the electric equipment control node comprises a switch signal receiving module, a main control module, an electric equipment control module and an electric quantity monitoring module of electric equipment;
the passive wireless switch is in communication connection with the switch signal receiving module, and the signal output end of the switch signal receiving module is electrically connected with the main control module;
the control signal output end of the master control module is electrically connected with the power switch control end of the electric equipment control module, the power input end of the electric equipment control module is electrically connected with a power supply, and the power output end of the electric equipment control module is electrically connected with electric equipment;
the power input end and the power output end of the electric equipment control module are respectively and electrically connected with the sampling end of the electric equipment electric quantity monitoring module, the main control module is electrically connected with the output end of the electric equipment electric quantity monitoring module, and the switch signal receiving module is also connected with the server and/or the mobile terminal through the communication node.
Based on the disclosure, the invention uses the passive wireless switch as the transmission node of the switch control signal of the electric equipment, and the essence is as follows: the passive wireless switch is used for sending a switch control signal to a switch signal receiving module of the electric equipment control node, and a main control module of the electric equipment control node can control the electric equipment control module to switch on or switch off the electric connection between the electric equipment and a power supply according to the switch control signal, so that the intelligent control of the electric equipment is realized; meanwhile, the invention is also provided with an electric equipment electricity quantity monitoring module, namely a sampling end of the electric equipment electricity quantity monitoring module is electrically connected with a power supply output end and an input end of the electric equipment control module, so that the voltage and the current of the electric equipment connected with the output end of the electric equipment control module are sampled in real time to obtain the electricity consumption, then the electricity consumption is transmitted to the main control module and is sent to the server and/or the mobile terminal through the communication node, and the real-time monitoring of the electricity consumption of the electric equipment is realized for a user to check in real time.
Through the design, on one hand, the passive wireless switch is used as a switch control signal sending node, power supply wiring and battery replacement are not needed, and construction cost is reduced; on the other hand, the power input end and the output end of the electric equipment control module are electrically connected with the electric equipment electricity quantity monitoring module, namely, the electric equipment electricity quantity monitoring module is directly connected to a power supply circuit of the electric equipment, so that the voltage and current data of the electric equipment are sampled in real time, the electricity consumption of the electric equipment can be obtained through the voltage and current data, and finally, the electricity consumption is transmitted to the server and/or the mobile terminal, so that the real-time monitoring of the electricity consumption of the electric equipment can be realized, namely, the system monitoring of the electricity consumption of each electric appliance in the building is realized, and the intelligent management of a user on the electric appliances in the building is improved.
In one possible design, the power consumption equipment power monitoring module includes an HLW8032 type power detection chip, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, and a first capacitor, where the fifth resistor is formed by connecting 4 resistors in series;
the CIP pin of the HLW8032 type electric quantity detection chip is electrically connected with the power output end of the electric equipment control module and one end of the second resistor through the first resistor respectively;
the CIN pin of the HLW8032 type electric quantity detection chip is electrically connected with the other end of the second resistor through the third resistor;
a VIP pin of the HLW8032 type electric quantity detection chip is electrically connected to one end of the fourth resistor, one end of the fifth resistor, and one end of the first capacitor, respectively, and the other end of the fifth resistor is electrically connected to a power input end of the power consumption device control module;
a TX pin of the HLW8032 type electric quantity detection chip is electrically connected to one end of the sixth resistor, and the other end of the sixth resistor is used as an output end of the electric quantity monitoring module of the electric equipment and is electrically connected to the main control module;
the other end of the sixth resistor is also electrically connected with the seventh resistor, and the seventh resistor, the fourth resistor and the other end of the first capacitor are respectively grounded.
Based on the above disclosure, the invention discloses a specific circuit composition of an electric quantity monitoring module for electric equipment, namely, a first resistor is used as a sampling resistor, a differential signal enters an HLW8032 type electric quantity detection chip through a second resistor and a third resistor, and a fourth resistor and a fifth resistor are matched to form an electric quantity detection circuit, detected current and voltage data are transmitted to the HLW8032 type electric quantity detection chip, so that the electric quantity of the electric equipment is obtained, and finally, the electric quantity, the sampled voltage and current data are sent to a main control module through a sixth resistor.
In one possible design, the electric device control module comprises a relay, an eighth resistor, a ninth resistor, a triode, a second capacitor and a diode;
the common contact of the relay is used as the power input end of the electric equipment control module and is electrically connected with the power supply;
a first coil end of the relay is electrically connected with a collector electrode of the triode and an anode of the diode, and a second coil end of the relay is electrically connected with a direct-current power supply, a cathode of the diode and one end of the second capacitor respectively;
the normally open contact of the relay is electrically connected with an alternating current output interface which is used as a power output end of the electric equipment control module and is electrically connected with the electric equipment;
a base electrode of the triode is electrically connected with one end of the eighth resistor and one end of the ninth resistor respectively, and the other end of the eighth resistor is used as a power switch control end of the power consumption equipment control module and is electrically connected with a control signal output end of the main control module;
the other end of the ninth resistor, the emitter of the triode and the other end of the second capacitor are respectively grounded.
Based on the disclosure, the invention discloses specific circuit components of the control module of the electric equipment, namely an eighth resistor, a ninth resistor, a triode, a second capacitor and a diode form a control circuit of the relay, the main control module transmits a switch control signal to the triode through the eighth resistor so as to control the on-off of the triode, and finally the on-off of the relay is realized, namely whether a common contact of the relay is connected with a normally open contact is controlled, so that the on-off of the electric equipment and a power supply is realized.
In one possible design, the electrical equipment control node further includes a power supply zero-crossing detection module for performing zero-crossing detection on a power supply, wherein a sampling end of the power supply zero-crossing detection module is electrically connected to a power input end of the electrical equipment control module, and an output end of the power supply zero-crossing detection module is electrically connected to the main control module.
Based on the disclosure, the zero-crossing detection module of the power supply is arranged for realizing zero-point detection of the power supply, the power supply generally adopts alternating current which has a positive period and a negative period, and the zero-point of the power supply is detected and transmitted to the main control module, so that the on-off control of the relay can be realized at the zero point, the spark is avoided when the relay is closed, the electric equipment and the relay are protected, and the use safety is improved.
In one possible design, the consumer control node further includes an AC-DC conversion module and a voltage reduction module;
the input end of the AC-DC conversion module is electrically connected with a 220V alternating current power supply, the output end of the AC-DC conversion module outputs a 5V direct current power supply, the input end of the voltage reduction module and the power supply end of the electric quantity monitoring module of the electric equipment are electrically connected, and the output end of the voltage reduction module is electrically connected with the switch signal receiving module and the power supply end of the main control module respectively.
Based on the disclosure, the 220V alternating current is directly used as a power supply of the control node of the electric equipment, so that the control node of the electric equipment can be directly connected into a power supply circuit of the electric equipment without an external power supply, the wiring of the power supply is avoided, the cost is reduced, and the convenience in use is improved; in addition, the 220V alternating current can be decompressed and converted into a direct current power supply through the AC-DC conversion module and the voltage reduction module, and power is supplied to each circuit module in the control node of the electric equipment.
In one possible design, the main control module adopts an STM8S103 type processing chip and peripheral circuits thereof.
In one possible design, the switching signal receiving module adopts a CC1101 type RF transceiver chip and peripheral circuits thereof.
Based on the disclosure, the invention discloses the chip types used by the main control module and the switch signal receiving module. Of course, the chip type disclosed above is only one of the chips for realizing the functions of the main control module and the switch signal receiving module.
In one possible design, the passive wireless switch comprises a switch key, an alternating current rectification module, a DC-DC conversion module, a control module and a switch signal sending module;
the input end of the alternating current rectification module is electrically connected with a self-generating output interface of the passive wireless switch, the output end of the alternating current rectification module is electrically connected with the input end of the DC-DC conversion module, and the output end of the DC-DC conversion module is respectively electrically connected with the power supply ends of the control module and the switch signal sending module;
the switch key is electrically connected with the signal input end of the control module, the signal output end of the control module is electrically connected with the input end of the switch signal sending module, and the output end of the switch signal sending module is in communication connection with the input end of the switch signal receiving module.
Based on the disclosure, the invention discloses a specific circuit module in a passive wireless switch, wherein the passive wireless switch can convert mechanical energy of a press switch key into electric energy to supply power for each module in the passive wireless switch; because the passive wireless switch is used for pressing to generate alternating current, the alternating current is required to be rectified by the alternating current rectifying module and is converted into direct current, and therefore power is supplied to each internal module; in addition, the switch button is still electric connection control module, when pressing the switch button promptly, can produce the switch control signal, and the rethread switch signal sending module is with signal transmission to switch signal receiving module at last, realizes the intelligent control of consumer.
In one possible design, the control module employs a STM8L101F3P6 type processing chip and its peripheral circuits, and the switch signaling module employs a CC115L type RF transmit chip and its peripheral circuits.
Based on the disclosure, the invention discloses chip signals used by a control module and a switch signal sending module. Of course, the chip type disclosed above is only one of the chips used by the control module and the switch signal sending module.
In one possible design, the communication node includes a wireless gateway.
Based on the disclosure, the communication connection between the electric equipment control node and the server and/or the mobile terminal is realized through the wireless gateway, so that the real-time uploading of the electricity consumption, the voltage and the current data of the electric appliance is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of a communication structure of a consumer control system according to the present invention.
Fig. 2 is a specific circuit diagram of an STM8S103 type processing chip provided by the present invention.
Fig. 3 is a specific circuit diagram of a CC1101 RF transceiver chip provided by the present invention.
Fig. 4 is a schematic diagram of a specific circuit connection between the electric device control module and the electric device power monitoring module provided by the present invention.
Fig. 5 is a specific circuit diagram of the power supply zero-crossing monitoring module provided by the invention.
Fig. 6 is a specific circuit diagram of the AC-DC conversion module provided by the present invention.
Fig. 7 is a specific circuit diagram of the voltage reduction module provided by the present invention.
FIG. 8 is a specific circuit diagram of an STM8L101F3P6 type processing chip provided by the present invention.
Fig. 9 is a specific circuit diagram of the CC115L RF transmitting chip provided by the present invention.
Fig. 10 is a circuit diagram of the connection between the ac rectifying module and the DC-DC converting module according to the present invention.
Fig. 11 is a specific circuit diagram of the switch button provided by the present invention.
Fig. 12 is a specific circuit diagram of the W600 Soc chip provided by the present invention.
Fig. 13 is a specific circuit diagram of the gateway communication module provided in the present invention.
Fig. 14 is a specific circuit diagram of the gateway memory provided by the present invention.
Fig. 15 is a circuit diagram of the connection between the gateway serial port module and the power supply module provided by the present invention.
Fig. 16 is a specific circuit diagram of the gateway reset module provided in the present invention.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. This invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.
It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments of the present invention.
It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes" and/or "including," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, and/or groups thereof.
Example one
As shown in fig. 1-16, the electric equipment control system provided by this embodiment can be used for intelligent control of electric equipment in each building, and simultaneously, monitoring of the power consumption of each electric equipment in the building and monitoring of the power consumption state (namely, whether the electric equipment is in a normal operation state is obtained through the acquired voltage and current data) can be realized, so that system monitoring of the power consumption of each electric equipment in the building is realized, and the intelligent management of a user on the electric equipment is improved.
The electric device control system provided in this embodiment may include, but is not limited to: the system comprises a switch signal sending node, a power utilization equipment control node and a communication node.
The switching signal transmitting node comprises a passive wireless switch.
The electric equipment control node comprises a switch signal receiving module, a main control module, an electric equipment control module and an electric quantity monitoring module of electric equipment.
The passive wireless switch is in communication connection with the switch signal receiving module, and the signal output end of the switch signal receiving module is electrically connected with the main control module.
The control signal output end of the master control module is electrically connected with the power switch control end of the electric equipment control module, the power input end of the electric equipment control module is electrically connected with the power supply, and the power output end of the electric equipment control module is electrically connected with the electric equipment.
The power input end and the power output end of the electric equipment control module are respectively and electrically connected with the sampling end of the electric equipment electric quantity monitoring module, the main control module is electrically connected with the output end of the electric equipment electric quantity monitoring module, and the switch signal receiving module is also connected with the server and/or the mobile terminal through the communication node.
As shown in fig. 1, in this embodiment, the switch signal transmitting node is used as a switch signal transmitting end of the electric device, and is used to implement switch control of each electric device, that is, a user controls the electric device by operating the switch signal transmitting node.
In this embodiment, the actual representation form of the switch signal sending node may be, but is not limited to: the passive wireless switch is used for controlling the on and off of the electric equipment by using the passive wireless switch; the passive wireless switch does not need to be wired, can send a wireless control signal to control the electric equipment, and meanwhile, the passive wireless switch is internally provided with an energy conversion module which can convert mechanical energy generated when a user presses a switch key on a panel into electric energy to supply power for the switch. Therefore, the passive wireless switch is used as a switch signal sending node, the troubles of wiring and battery replacement are avoided, the installation cost is reduced, and the use convenience is improved (namely, the installation position can be unfixed and can be installed at different positions according to the requirements of users).
And the electric equipment control node is used as actual control equipment of the electric equipment, namely, the electric connection between the electric equipment and the power supply is switched on or switched off according to the switch control signal by receiving the switch control signal sent by the passive wireless switch.
In this embodiment, the example powered device control node may include, but is not limited to: the device comprises a switch signal receiving module, a main control module, an electric equipment control module and an electric quantity monitoring module of electric equipment.
The switch signal receiving module is in communication connection with the passive wireless switch and used for receiving a switch control signal sent by the passive wireless switch and transmitting the switch control signal to the main control module after receiving the switch control signal, and the main control module controls the electric equipment control module to switch on or switch off the electric connection between the electric equipment and the power supply according to the switch control signal, so that the function of controlling the electric equipment switch by using the passive wireless switch is realized.
In this embodiment, still be provided with consumer electric quantity monitoring module, and consumer control module's power input end and output are connected respectively to consumer electric quantity monitoring module's sample terminal, be equivalent to consumer electric quantity monitoring module lug connection promptly in consumer's supply circuit, the voltage and the current data of real-time sampling consumer, and then reachs the power consumption of consumer according to voltage and current data, realize the real-time supervision to the consumer power consumption.
Meanwhile, in this embodiment, the switch signal receiving module is further in communication connection with the communication node, that is, the main control module can send the voltage, the current and the electricity consumption data to the server and/or the mobile terminal through the switch signal receiving module and the communication node after receiving the voltage, the current and the electricity consumption data sent by the electricity consumption monitoring module of the electric equipment, so that the real-time monitoring of the electricity consumption of the electric equipment in the building is realized, and the intelligent management of the user on the electric equipment in the building is improved.
In this embodiment, can set up the consumer control node that corresponds quantity according to the quantity of consumer, a consumer control node corresponds a consumer promptly, and passive wireless switch then is as total control switch, realizes the intelligent control to each consumer.
Through the design, the voltage and current data of the electric equipment can be monitored in real time, the power consumption is obtained by means of the voltage and current data, and the obtained voltage, current and power consumption are uploaded to the server and/or the mobile terminal, so that the systematic monitoring of the power consumption of the electric equipment in a building is realized, the problem that the traditional method can only realize the monitoring of the power consumption of a single electric appliance is avoided, and the supervision of the electric equipment is greatly improved; meanwhile, the passive wireless switch is used as a signal sending end, wiring and battery replacement are not needed, so that the installation cost is greatly reduced, the trouble of battery replacement is avoided, and the use convenience is improved.
In this embodiment, the server only has the functions of receiving and displaying voltage, current and electricity consumption data; and the analysis and calculation of data can be realized.
In this embodiment, the server may support a vector machine algorithm, and may analyze current and voltage data transmitted by the main control module, and identify a characteristic difference between the current operating state of the electric device and a normal period, so as to determine whether the electric device has a potential fault; meanwhile, the server can also count the power consumption of each piece of electric equipment in a given time period (for example, one hour), further obtain the power consumption characteristics of each piece of equipment, and finally, apply a vector machine algorithm and a long-term and short-term neural network to analyze whether the current power consumption state is reasonable or not, and predict the power consumption of the electric equipment according to the counted data.
In addition, due to the fact that the communication node is arranged, the server can also communicate with the mobile terminal of the user in a station through the communication node, analyzed data can be sent to the mobile terminal to be checked by the user, and management of the electric equipment is further improved.
In this embodiment, when the server determines that the electrical device is abnormal by analyzing the current and voltage data, the server sends the abnormal data to the mobile terminal through the communication node, so as to inform the user that the user equipment is abnormal; meanwhile, the server can also send a power-off instruction to the main control module through the communication node, and then the main control module controls the electric equipment control module to disconnect the electric connection between the electric equipment and the power supply, so that the electric equipment is automatically closed when abnormal, and the electric safety is greatly improved.
Example two
As shown in fig. 1 to 16, a specific circuit structure for implementing the electrical equipment control system provided in this embodiment is given below.
As shown in fig. 2, in this embodiment, an STM8S103 type processing chip and its peripheral circuits are used as an example of the main control module, and the whole circuit is connected to other modules through an interface J4, and a specific circuit diagram can be seen in fig. 2.
In this embodiment, a watchdog circuit, i.e., U5 in fig. 2, is further disposed in the main control module, and a TPL5010 timing chip is employed, so that when an exception occurs in an execution program of the STM8S103 processing chip, a reset signal can be provided by U5 to reset the STM8S103 processing chip, thereby ensuring normal operation of the STM8S103 processing chip.
J3 is the program burning interface of STM8S103 type processing chip, which is convenient for the user to perform the operations of program recording and function debugging, the resistor R17 and the capacitor C23 constitute the power-on reset circuit, and the reset signal is provided for the STM8S103 type processing chip at the power-on moment.
As shown in fig. 3, in this embodiment, the switch signal receiving module can adopt, but is not limited to: a CC1101 type RF (Radio Frequency) transceiver chip and its peripheral circuits. The CC1101 type RF transceiver chip is an ultra-low power consumption wireless transceiver, the working frequency band is 387 MHz-464 MHz, and the RF transceiver chip is widely applied to automatic control of families and buildings.
In this embodiment, the capacitor C37, the capacitor C36, and the crystal Y1 constitute a crystal circuit, which provides an hour hand frequency for the CC1101 type RF transceiver chip, and the inductor L6, the inductor L7, the inductor L8, the inductor L9, the capacitor C34, the capacitor C35, the capacitor C39, the capacitor C33, the capacitor C32, and the capacitor C31 constitute an antenna matching network of the CC1101 type RF transceiver chip, which is used for implementing data transceiving. Of course, please refer to fig. 2 and 3 for the connection relationship between the CC1101 RF transceiver chip and the STM8S103 processing chip.
As shown in fig. 4, the following describes specific circuits of the power consumption device power monitoring module and the power consumption device control module.
In this embodiment, for example, the electric device control module may include, but is not limited to: the circuit comprises a relay K1, an eighth resistor R13, a ninth resistor R14, a triode Q1, a second capacitor C17 and a diode D5.
As shown in fig. 4, the connection relationship of the electronic devices is as follows: a common contact K12 of the relay K1 is used as a power supply input end of the electric equipment control module and is electrically connected with the power supply; a first coil terminal K11 of the relay K1 is electrically connected to the collector of the transistor Q1 and the anode of the diode D5, and a second coil terminal K15 of the relay K1 is electrically connected to a dc power supply, the cathode of the diode D5 and one end of the second capacitor C17, respectively; the normally open contact K13 of the relay K1 is electrically connected with an alternating current output interface J2, and the alternating current output interface J2 is used as a power output end of the electric equipment control module and is electrically connected with the electric equipment; a base electrode of the triode Q1 is electrically connected to one end of the eighth resistor R13 and one end of the ninth resistor R14, respectively, and the other end of the eighth resistor R13 is used as a power switch control end of the power consumption device control module and is electrically connected to a control signal output end of the main control module; the other end of the ninth resistor R14, the emitter of the transistor Q1, and the other end of the second capacitor C17 are respectively grounded.
The working principle of the electric equipment control module is as follows: the eighth resistor R13, the ninth resistor R14, the triode Q1, the second capacitor C17 and the diode D5 constitute a control circuit of the relay K1, as can be seen from fig. 4 and fig. 2, the eighth resistor R13 is connected to the PC4 pin of the STM8S103 type processing chip, that is, after the STM8S103 type processing chip receives the switch control signal sent by the switch signal receiving module, the on-off of the triode Q1 is controlled by the PC4 pin, so as to open or close the relay K1 (that is, whether the common contact K12 of the relay is connected to the normally open contact K13) and further to connect or close the electrical connection between the power supply and the electrical equipment.
In this embodiment, the exemplary power supply may be, but is not limited to: 220V alternating current.
Through the design, the function of controlling the on or off of the electric equipment according to the switch control signal can be realized.
In this embodiment, for example, the power consumption device power monitoring module may include, but is not limited to: the HLW8032 type electric quantity detection circuit comprises an HLW8032 type electric quantity detection chip U3, a first resistor R1, a second resistor R3, a third resistor R4, a fourth resistor R5, a fifth resistor R6, a sixth resistor R7, a seventh resistor R8 and a first capacitor C14, wherein the fifth resistor R6 is formed by connecting 4 resistors in series.
As shown in fig. 4, the connection relationship of the electrical devices is as follows: the CIP pin of the HLW8032 type electric quantity detection chip U3 is electrically connected to the power output terminal (i.e., the ac year output interface J2) of the electric equipment control module and one end of the second resistor R3 through the first resistor R1; the CIN pin of the HLW8032 type electric quantity detection chip U3 is electrically connected with the other end of the second resistor R3 through the third resistor R4; a VIP pin of the HLW8032 type electricity quantity detection chip U3 is electrically connected to one end of the fourth resistor R5, one end of the fifth resistor R6, and one end of the first capacitor C14, respectively, and the other end of the fifth resistor R6 is electrically connected to a power input terminal of the electric equipment control module (i.e., the common contact K12 of the relay K1); a TX pin of the HLW8032 type electric quantity detection chip U3 is electrically connected with one end of a sixth resistor R7, the other end of the sixth resistor R7 is used as an output end of the electric quantity monitoring module of the electric equipment, and is electrically connected with the main control module (namely, the PD6 pin of the STM8S103 type processing chip is electrically connected, and the PD6 pin is an RXD pin in fig. 2, which is a data receiving pin substantially and can directly receive data transmitted by the HLW8032 type electric quantity detection chip U3); the other end of the sixth resistor R7 is further electrically connected to the seventh resistor R8, and the other ends of the seventh resistor R8, the fourth resistor R5 and the first capacitor C14 are respectively grounded.
In this embodiment, the working principle of the power consumption device power monitoring module is as follows: use first resistance R1 as sampling resistor, via second resistance R3 and third resistance R4, differential signal gets into HLW8032 type electricity quantity detection chip, and cooperate fourth resistance R5 and fifth resistance R6 to constitute the electricity quantity detection circuit, current and voltage data transmission that will detect to HLW8032 type electricity quantity detection chip, and then reach the power consumption of consumer, finally, will use electric quantity through sixth resistance R7, and the voltage and the current data transmission of sampling to STM8S103 type processing chip.
In the present embodiment, the fifth resistor R6 is composed of 4 resistors connected in series, as shown in fig. 4, that is, the resistor R12, the resistor R11, the resistor R10 and the resistor R9 are connected in series to form the fifth resistor R6.
Through above-mentioned design, use consumer electric quantity monitoring module, can sample consumer ' S voltage and current data in real time, and reachd the power consumption of consumer through HLW8032 type electric quantity detection chip, transmit to STM8S103 type through sixth resistance R7 at last and handle the chip, and through CC1101 type RF transceiver chip and communication node, realize the transmission of data, let user real-time supervision consumer ' S power consumption, reach real-time supervision ' S purpose.
In this embodiment, a power supply zero crossing detection module for performing zero point detection on the power supply is further provided, as shown in fig. 5, the power supply zero crossing detection module may include, but is not limited to, a TLV7011 type comparator, a resistor R15, a resistor R16, a diode D6, and a capacitor C19.
Namely, the resistor R16 is used as a sampling end of the power supply ZERO-crossing detection module, and is electrically connected with a power input end of the electric equipment control module (namely, the common contact point K12 of the relay K1), and an output end of the TLV7011 type comparator (namely, a ZERO end in fig. 5) is used as an output end of the power supply ZERO-crossing detection module, and is electrically connected with a PD5 pin of the STM8S103 type processing chip.
In this embodiment, the power supply zero-crossing detection module is configured to detect a zero point of the power supply (since the power supply is 220V ac, the power supply has a positive and negative cycle), and functions as: make STM8S103 type handle the chip and when power supply zero point, open or close relay K1 to avoid relay K1 to produce the spark when opening or closing, reach the function of protective relay K1 and consumer.
In this embodiment, for example, the electrical device control node is directly connected to the power supply circuit of the electrical device, that is, the electrical device control module directly adopts 220V ac power to supply power. Therefore, in order to realize safe power supply of each circuit module in the control node of the electric equipment, an AC-DC conversion module and a voltage reduction module are arranged.
Namely, the input end of the AC-DC conversion module is electrically connected with a 220V alternating current power supply, the output end of the AC-DC conversion module outputs a 5V direct current power supply, and is electrically connected with the input end of the voltage reduction module and the power supply end of the power consumption equipment electric quantity monitoring module respectively, and the output end of the voltage reduction module is electrically connected with the power supply ends of the switch signal receiving module and the main control module respectively.
In this embodiment, for example, the AC-DC conversion module may be, but is not limited to, an LNK304 power conversion chip, and a specific circuit diagram is shown in fig. 6, which can convert 220V AC power into 5V DC power to supply power to the second coil terminal K15 of the relay K1 (i.e. the aforementioned DC power), and also serve as a power input of the voltage reduction module.
In the present embodiment, the exemplary voltage reduction module can adopt, but is not limited to, a TVL70233DBVR type voltage reduction chip and its peripheral circuits, and the specific circuit composition can be seen in fig. 7. Namely, a TVL70233DBVR type voltage reduction chip converts a 5V direct current power supply into a 3V direct current power supply, and supplies power for an STM8S103 type processing chip and a CC1101 type RF transceiver chip.
Through the disclosure, the embodiment provides a specific circuit composition of the control node of the electrical equipment, and can realize the functions of turning on or turning off the electrical equipment according to the switch control signal and monitoring the electricity consumption of the electrical equipment in real time.
Specific circuit compositions of the passive wireless switch are given below, as shown in fig. 8-11.
In this embodiment, the example passive wireless switch may include, but is not limited to: the device comprises a switch key, an alternating current rectification module, a DC-DC conversion module, a control module and a switch signal sending module.
The connection relationship of the modules is as follows: the input end of the alternating current rectification module is electrically connected with a self-generating output interface of the passive wireless switch (namely, the passive wireless switch can convert mechanical energy of the press switch key into electric energy, and the self-generating output interface is an electric energy output interface of the passive wireless switch). The output end of the alternating current rectification module is electrically connected with the input end of the DC-DC conversion module, and the output end of the DC-DC conversion module is electrically connected with the power supply ends of the control module and the switch signal sending module respectively.
Because the passive wireless switch converts the pressing mechanical energy into electric energy and generates alternating current, the alternating current rectification module is required to convert the alternating current into direct current, so that power is supplied to each module in the passive wireless switch. Meanwhile, voltage reduction is needed to meet the requirement of normal power supply of chips in each module, and a DC-DC conversion module is further arranged.
In the present embodiment, the DC-DC conversion module adopts an SD8906A type buck chip, and the connection relationship between the DC-DC conversion module and the ac rectification module can be seen in fig. 10. As can be seen from fig. 10, P3 and P2 are self-generating output interfaces of the passive wireless switch, and are electrically connected to diodes D1 and D2, that is, rectified by diodes D1 and D2, and then connected to an SD8906A voltage reduction chip, so as to convert the voltage into 2V, thereby supplying power to each circuit module in the passive wireless switch.
In this embodiment, the switch button is electrically connected to the signal input terminal of the control module, the signal output terminal of the control module is electrically connected to the input terminal of the switch signal transmitting module, and the output terminal of the switch signal transmitting module is communicatively connected to the input terminal of the switch signal receiving module.
In this embodiment, the control module may be, but is not limited to, an STM8L101F3P6 type processing chip and its peripheral circuits, and the specific circuits thereof can be seen in fig. 8.
In this embodiment, for example, the switch signal sending module may adopt, but is not limited to, a CC115L type RF transmitting chip and its peripheral circuits, and its specific circuit can refer to fig. 9, that is, the CC1101 type RF transceiving chip is communicatively connected through a CC115L type RF transmitting chip, so as to implement sending of the switch control signal.
In the present embodiment, at least 1 switch key is provided on the panel of the passive wireless switch, and in the present embodiment, 3 switch keys are provided, as shown in fig. 11, three switch keys, that is, SW1, SW2 and SW3 are electrically connected to the 1 st, 2 nd and 20 th pins of the processing chip of STM8L101F3P6 type, respectively, and when pressed, a switch control signal is generated by the processing chip of STM8L101F3P6 type.
Through the design, the embodiment discloses a specific circuit composition of the passive wireless switch, and the function of generating and sending the switch control signal can be realized. Even if the passive wireless switch is used, wiring and battery replacement are avoided, the cost is reduced, and the use convenience is improved.
In this embodiment, the communication node may be, but is not limited to: the wireless gateway, i.e. the CC1101 type RF transceiver chip, is communicatively connected to the wireless gateway, and is communicatively connected to the server and/or the mobile terminal via the wireless gateway.
As shown in fig. 12 to 16, a circuit structure for implementing the wireless gateway is given below.
In this embodiment, the example wireless gateway may include, but is not limited to: the gateway control module, the gateway communication module, the gateway memory, the gateway serial port module, the power module and the gateway reset module.
The connection relationship of the modules is as follows: the gateway control module is respectively in communication connection with the gateway communication module and the gateway memory, the gateway control module is also respectively and electrically connected with the gateway serial port module and the gateway reset module, and the power supply module is respectively and electrically connected with the power supply ends of the gateway control module, the gateway communication module, the gateway memory, the gateway serial port module and the gateway reset module.
In this embodiment, the example gateway control module may adopt, but is not limited to: a specific circuit diagram of a Soc (System-on-a-Chip) Chip of W600 type can be seen in fig. 12.
In this embodiment, the exemplary gateway communication module also employs a CC1101 RF transceiver chip, which is connected to: the connection relationship of the W600 Soc chip can be seen in FIGS. 13 and 12.
In this embodiment, the gateway Memory may be, but is not limited to, an EEPRO (electrically erasable Programmable Read-Only Memory) with a model of ATC24C08 type Memory chip, that is, a W600 type Soc chip that can store data in an ATC24C08 type Memory chip, and a specific circuit diagram of the ATC24C08 type Memory chip is shown in fig. 14.
In this embodiment, for example, the gateway serial port module may be but is not limited to a CH330N serial port chip, which is used for downloading and debugging the firmware of the W600 Soc chip; an exemplary power supply module may be, but is not limited to, a TLV1117LV type power supply chip, and its specific circuit composition may be as shown in fig. 15.
In this embodiment, for example, the gateway reset module may adopt, but is not limited to, a TPL5010 timing chip, that is, an ultra-low power consumption timer circuit having a watchdog function and a manual reset function is formed by a resistor R42, a capacitor C56, and the TPL5010 timing chip, to form a reset circuit of a W600 Soc chip, and a specific circuit structure may be as shown in fig. 16.
Through the disclosure, the specific circuit composition for realizing the passive wireless switch, the electric equipment control node and the communication node has been provided in the embodiment, and the functions of realizing the intelligent control of the electric equipment and the real-time monitoring of the power consumption can be supported in the embodiment.
In summary, the electrical equipment control system provided by the invention has the following technical effects:
(1) on one hand, the passive wireless switch is used as a switch control signal sending node, power supply wiring and battery replacement are not needed, and construction cost is reduced; on the other hand, the power input end and the power output end of the electric equipment control module are electrically connected with the electric equipment electricity quantity monitoring module, namely, the electric equipment electricity quantity monitoring module is directly connected to a power supply circuit of the electric equipment, so that the voltage and current data of the electric equipment are sampled in real time, the electricity consumption of the electric equipment is obtained through aunt and current data, and finally, the electricity consumption is transmitted to the server and/or the mobile terminal, so that the real-time monitoring of the electricity consumption of the electric equipment can be realized, namely, the system monitoring of the electricity consumption of each electric appliance in the building is realized, and the intelligent management of a user on the electric appliances in the building is improved.
The invention is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present invention, but any changes in shape or structure thereof, which fall within the scope of the present invention as defined in the claims, fall within the scope of the present invention.
Claims (10)
1. An electrical equipment control system, comprising: the system comprises a switch signal sending node, an electric equipment control node and a communication node;
the switch signal transmitting node comprises a passive wireless switch;
the electric equipment control node comprises a switch signal receiving module, a main control module, an electric equipment control module and an electric quantity monitoring module of electric equipment;
the passive wireless switch is in communication connection with the switch signal receiving module, and the signal output end of the switch signal receiving module is electrically connected with the main control module;
the control signal output end of the master control module is electrically connected with the power switch control end of the electric equipment control module, the power input end of the electric equipment control module is electrically connected with a power supply, and the power output end of the electric equipment control module is electrically connected with electric equipment;
the power input end and the power output end of the electric equipment control module are respectively and electrically connected with the sampling end of the electric equipment electric quantity monitoring module, the main control module is electrically connected with the output end of the electric equipment electric quantity monitoring module, and the switch signal receiving module is also connected with the server and/or the mobile terminal through the communication node.
2. The electric equipment control system of claim 1, wherein the electric equipment power monitoring module comprises an HLW8032 type power detection chip (U3), a first resistor (R1), a second resistor (R3), a third resistor (R4), a fourth resistor (R5), a fifth resistor (R6), a sixth resistor (R7), a seventh resistor (R8) and a first capacitor (C14), wherein the fifth resistor (R6) is formed by connecting 4 resistors in series;
the CIP pin of the HLW8032 type electric quantity detection chip (U3) is electrically connected with the power supply output end of the electric equipment control module and one end of the second resistor (R3) through the first resistor (R1);
the CIN pin of the HLW8032 type electric quantity detection chip (U3) is electrically connected with the other end of the second resistor (R3) through the third resistor (R4);
a VIP pin of the HLW8032 type electric quantity detection chip (U3) is electrically connected with one end of the fourth resistor (R5), one end of the fifth resistor (R6) and one end of the first capacitor (C14) respectively, and the other end of the fifth resistor (R6) is electrically connected with a power supply input end of the electric equipment control module;
a TX pin of the HLW8032 type electric quantity detection chip (U3) is electrically connected with one end of the sixth resistor (R7), and the other end of the sixth resistor (R7) is used as an output end of the electric quantity monitoring module of the electric equipment and is electrically connected with the main control module;
the other end of the sixth resistor (R7) is also electrically connected with the seventh resistor (R8), and the other ends of the seventh resistor (R8), the fourth resistor (R5) and the first capacitor (C14) are respectively grounded.
3. The consumer control system of claim 1, wherein the consumer control module comprises a relay (K1), an eighth resistor (R13), a ninth resistor (R14), a transistor (Q1), a second capacitor (C17), and a diode (D5);
the common contact (K12) of the relay (K1) is used as a power supply input end of the electric equipment control module and is electrically connected with the power supply;
a first coil end (K11) of the relay (K1) is electrically connected with a collector electrode of the triode (Q1) and a positive electrode of the diode (D5), and a second coil end (K15) of the relay (K1) is electrically connected with a direct current power supply, a negative electrode of the diode (D5) and one end of the second capacitor (C17) respectively;
the normally open contact (K13) of the relay (K1) is electrically connected with an alternating current output interface (J2), and the alternating current output interface (J2) is used as a power output end of the electric equipment control module and is electrically connected with the electric equipment;
the base electrode of the triode (Q1) is respectively and electrically connected with one end of the eighth resistor (R13) and one end of the ninth resistor (R14), and the other end of the eighth resistor (R13) is used as the power switch control end of the electric equipment control module and is electrically connected with the control signal output end of the main control module;
the other end of the ninth resistor (R14), the emitter of the triode (Q1) and the other end of the second capacitor (C17) are respectively grounded.
4. The electrical equipment control system according to claim 1, wherein the electrical equipment control node further comprises a power supply zero-crossing detection module for performing zero-crossing detection on a power supply, wherein a sampling end of the power supply zero-crossing detection module is electrically connected to a power input end of the electrical equipment control module, and an output end of the power supply zero-crossing detection module is electrically connected to the main control module.
5. The consumer control system of claim 1 wherein the consumer control node further comprises an AC-DC conversion module and a voltage reduction module;
the input end of the AC-DC conversion module is electrically connected with a 220V alternating current power supply, the output end of the AC-DC conversion module outputs a 5V direct current power supply, the input end of the voltage reduction module and the power supply end of the electric quantity monitoring module of the electric equipment are electrically connected, and the output end of the voltage reduction module is electrically connected with the switch signal receiving module and the power supply end of the main control module respectively.
6. The consumer control system of claim 1 wherein the master control module employs an STM8S103 processing chip and its peripheral circuitry.
7. The electrical equipment control system of claim 1, wherein the switch signal receiving module employs a CC1101 RF transceiver chip and its peripheral circuits.
8. The electrical equipment control system of claim 1, wherein the passive wireless switch comprises a switch button, an alternating current rectification module, a DC-DC conversion module, a control module and a switch signal transmission module;
the input end of the alternating current rectification module is electrically connected with a self-generating output interface of the passive wireless switch, the output end of the alternating current rectification module is electrically connected with the input end of the DC-DC conversion module, and the output end of the DC-DC conversion module is respectively electrically connected with the power supply ends of the control module and the switch signal sending module;
the switch key is electrically connected with the signal input end of the control module, the signal output end of the control module is electrically connected with the input end of the switch signal sending module, and the output end of the switch signal sending module is in communication connection with the input end of the switch signal receiving module.
9. The consumer control system of claim 8 wherein the control module employs a STM8L101F3P6 type processing chip and its peripheral circuitry, and the switch signaling module employs a CC115L type RF transmitting chip and its peripheral circuitry.
10. The consumer control system of claim 1 wherein the communication node comprises a wireless gateway.
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