CN216486059U - Energy consumption monitoring control circuit - Google Patents
Energy consumption monitoring control circuit Download PDFInfo
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- CN216486059U CN216486059U CN202122843673.1U CN202122843673U CN216486059U CN 216486059 U CN216486059 U CN 216486059U CN 202122843673 U CN202122843673 U CN 202122843673U CN 216486059 U CN216486059 U CN 216486059U
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Abstract
The utility model provides an energy consumption monitoring control circuit, which belongs to the technical field of energy consumption monitoring and comprises a power supply module; the energy consumption acquisition module comprises a voltage sensor circuit, a current transformer circuit for acquiring current signals of a line to be measured and a power metering chip for converting the voltage signals and the current signals into corresponding power signals; the control chip is connected with the power metering chip and generates a corresponding control signal according to the power signal; and the data transmission module is connected with the control chip and transmits the control signal to an external server. The energy consumption monitoring system is provided with the energy consumption acquisition module, the control chip and the data transmission module, so that the energy consumption condition of household appliances can be observed in real time, the energy consumption use condition of each household appliance is analyzed, a user can reasonably arrange the use of energy according to the energy consumption monitoring result, the effective energy saving is realized, and the energy saving consciousness and the energy management and control efficiency of the user are greatly improved.
Description
Technical Field
The utility model belongs to the field of energy consumption monitoring, and particularly relates to an energy consumption monitoring control circuit.
Background
With the progress of information technology and the development of smart homes, people increasingly demand electric power. In view of the environmental pollution problem brought by the power generation process and the electric energy waste phenomenon at the power utilization side, the energy utilization condition of the household appliances is monitored, the household energy consumption structure is optimized, and therefore the household energy saving is very meaningful. However, most of the households do not have an energy consumption monitoring system for household appliances at present, so that effective implementation of household energy consumption management needs to collect energy consumption information of each household appliance, establish an electricity consumption information database for a user, help the user to analyze a household energy consumption structure, enable the user to know the influence of own behavior habits on household energy consumption, guide the user to consciously adopt energy-saving measures and develop good energy-saving habits. The collection of such detailed electricity usage information requires the support of a smart meter, and thus the development of a low-cost smart meter having multi-parameter measurement and bidirectional wireless communication capabilities is required.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art and provides an energy consumption monitoring control circuit capable of monitoring the energy consumption state of an electric appliance in real time.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a power consumption monitoring control circuit comprising:
the power supply module is used for converting an input power supply into a preset power supply and supplying power to the control circuit;
the energy consumption acquisition module comprises a voltage transformer circuit for acquiring voltage signals of a line to be detected, a current transformer circuit for acquiring current signals of the line to be detected, and a power metering chip for converting the voltage signals and the current signals into corresponding power signals;
the control chip is connected with the power metering chip and generates a corresponding control signal according to the power signal;
and the data transmission module is connected with the control chip and transmits the control signal to an external server.
In the above energy consumption monitoring and controlling circuit, the power metering chip is connected with a capacitor C26, a first pin of the power metering chip is grounded through a capacitor C26, the first pin of the power metering chip is further connected with the power supply module, a second pin and a third pin of the power metering chip are both connected with the current transformer circuit, a fourth pin of the power metering chip is connected with the voltage transformer circuit, a fifth pin of the power metering chip, and a sixth pin and a seventh pin of the power metering chip are both connected with the control chip.
In the above power consumption monitoring and controlling circuit, the voltage transformer circuit includes: the circuit comprises a voltage transformer CT2, a resistor R22, a resistor R29, a resistor R30 and a capacitor C29;
the first primary side of the voltage transformer CT2 is connected with a live wire of a circuit to be tested, the second primary side of the voltage transformer CT2 is connected with a zero line of the circuit to be tested through a resistor R30, the first secondary side of the voltage transformer CT2 is connected with the power metering chip through a resistor R22, the first secondary side of the voltage transformer CT2 is grounded through a resistor R29, one end of the resistor R22, which is connected with the power metering chip, is grounded through a capacitor C29, and the second secondary side of the voltage transformer CT2 is grounded.
In the above power consumption monitoring and controlling circuit, the current transformer circuit includes a current transformer CT1, a resistor R19, a resistor R20, a resistor R21, a capacitor C27, and a capacitor C28;
the first port of the current transformer CT1 is connected with the power metering chip through a resistor R20, the second port of the current transformer CT1 is connected with the power metering chip through a resistor R19, a resistor R21 is connected in parallel with two ends of the current transformer CT1, one end of the resistor R20 connected with the power metering chip is grounded through a capacitor C28, and one end of the resistor R19 connected with the power metering chip is grounded through a capacitor C27.
In the above power consumption monitoring and controlling circuit, the control chip includes first to thirty-ninth pins, wherein the thirteenth pin and the fourteenth pin of the control chip are all connected to the power metering chip, the tenth pin, the eleventh pin, the twelfth pin, the twenty-fifth pin, the twenty-eighth pin, the twenty-ninth pin, the thirty-eleventh pin, the thirty-third pin, the thirty-sixth pin and the thirty-seventh pin of the control chip are all connected to the data transmission module, the first pin, the fifteenth pin, the thirty-eighth pin and the thirty-ninth pin of the control chip are all grounded, and the second pin of the control chip is connected to the power module.
In the above power consumption monitoring and controlling circuit, the data transmission module includes an ethernet control chip, a crystal oscillator Y1, a resistor R32, a resistor R35, a resistor R36, a resistor R38, a resistor R39, a resistor R40, a resistor R41, a resistor R42, a resistor R47, a resistor R50, and a resistor R51;
wherein, the twelfth pin of the Ethernet control chip is connected with the thirty-third pin of the control chip, the twelfth pin of the Ethernet control chip is further connected with the power module through a resistor R39, the thirteenth pin of the Ethernet control chip is connected with the thirty-seventh pin of the control chip, the seventeenth pin of the Ethernet control chip is connected with the thirty-first pin of the control chip, the eighteenth pin of the Ethernet control chip is connected with the thirty-sixth pin of the control chip, the sixteenth pin of the Ethernet control chip is connected with the thirty-third pin of the control chip, the eighth pin of the Ethernet control chip is connected with the tenth pin of the control chip through a resistor R40, the seventh pin of the Ethernet control chip is connected with the eleventh pin of the control chip through a resistor R42, the tenth pin of the Ethernet control chip is connected with the power module through a resistor R38, the one end that resistance R38 connects the power module still passes through the twelfth pin of resistance R32 connection control chip, the one end that resistance R38 connects the power module still passes through resistance R35 connection control chip's tenth pin, resistance R38 connects the power module's one end still passes through resistance R36 connection control chip's eleventh pin, the eleventh pin of ethernet control chip is connected with the twelfth pin of control chip, the fifteenth pin of ethernet control chip passes through resistance R41 connection power module, the fifteenth pin of ethernet control chip still passes through electric capacity C18 ground connection, the fifteenth pin of ethernet control chip still connects the twenty-ninth pin of control chip.
In the above power consumption monitoring control circuit, the power module includes:
the first voltage transformation circuit is used for converting an input power supply into a first preset power supply;
and the second voltage transformation circuit is connected with the first voltage transformation circuit and converts the first preset power supply into a second preset power supply.
In the above power consumption monitoring and controlling circuit, the power consumption monitoring and controlling circuit further includes a reset module, the reset module includes a KEY1, a resistor R2, and a capacitor C1, wherein a first pin of the KEY1 is connected to a twenty-fourth pin of the control chip, a first pin of the KEY1 is further connected to the power module through a resistor R2, a second pin of the KEY1 is grounded, and the capacitor C1 is connected in parallel to two ends of the KEY 1.
In the above power consumption monitoring control circuit, the power consumption monitoring control circuit further includes an indicator light module, the indicator light module includes a light emitting diode LED1, a light emitting diode LD2, a light emitting diode LED3, a resistor R23, a resistor R24, and a resistor R25, wherein a negative electrode of the light emitting diode LED1 is connected to a twenty-seventh pin of the control chip, a positive electrode of the light emitting diode LED1 is connected to the power supply module through a resistor R23, a negative electrode of the light emitting diode LED2 is connected to a twenty-sixth pin of the control chip, a positive electrode of the light emitting diode LED2 is connected to the power supply module through a resistor R24, a negative electrode of the light emitting diode LED3 is connected to a twenty-third pin of the control chip, and a positive electrode of the light emitting diode LED3 is connected to the power supply module through a resistor R25.
Compared with the prior art, the utility model has the following beneficial effects:
the household appliance energy consumption monitoring system is provided with an energy consumption acquisition module, a control chip and a data transmission module, wherein the energy consumption acquisition module can acquire voltage and current signals of the whole household appliance power supply system, converts the acquired voltage and current signals into corresponding power signals through a power metering chip, and can monitor the energy consumption of household appliances through real-time monitoring of the power signals.
Drawings
Fig. 1 is a block diagram of a circuit configuration in the present invention.
Fig. 2 is a circuit diagram of the energy consumption acquisition module in the utility model.
Fig. 3 is a circuit diagram of a control chip in the present invention.
Fig. 4 is a circuit diagram of a data transmission module in the present invention.
Fig. 5 is a circuit diagram of a power module in the present invention.
Fig. 6 is a circuit diagram of a reset module in the present invention.
Fig. 7 is a circuit diagram of an indicator light module in the present invention.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
Example one
As shown in fig. 1 to 7, the present invention provides a power consumption monitoring control circuit, including:
the power supply module is used for converting an input power supply into a preset power supply and supplying power to the control circuit;
the energy consumption acquisition module comprises a voltage transformer circuit for acquiring voltage signals of a line to be detected, a current transformer circuit for acquiring current signals of the line to be detected, and a power metering chip for converting the voltage signals and the current signals into corresponding power signals;
the control chip is connected with the power metering chip and generates a corresponding control signal according to the power signal;
and the data transmission module is connected with the control chip and transmits the control signal to an external server.
The utility model provides an energy consumption monitoring control circuit, which is provided with an energy consumption acquisition module, a control chip and a data transmission module, wherein the energy consumption acquisition module can acquire voltage and current signals of the whole household appliance power supply system, converts the acquired voltage and current signals into corresponding power signals through a power metering chip, can monitor the energy consumption of household appliances through real-time monitoring of the power signals, and simultaneously can transmit the power signals to the data transmission module through the control chip and further transmit the power signals to an external server, namely, a user can observe the energy consumption condition of the household appliances in real time through the external server, analyzes the energy consumption using conditions of various household appliances, can reasonably arrange the energy consumption according to the energy consumption monitoring result, realizes effective energy saving, and greatly improves the energy saving consciousness and energy management and control efficiency of the user, in addition, the server can also store initial energy consumption data, if the change value of the load exceeds a set value, the abnormal state can be displayed externally through the server, or the server is connected with an APP or an applet to display the abnormal state for a user, so that the user can simply and visually observe energy consumption information.
Preferably, as shown in fig. 1 to 7, the power metering chip is connected to a capacitor C26, the first pin of the power metering chip is grounded through a capacitor C26, the first pin of the power metering chip is further connected to the power supply module, the second pin and the third pin of the power metering chip are both connected to the current transformer circuit, the fourth pin of the power metering chip is connected to the voltage transformer circuit, the fifth pin of the power metering chip, and the sixth pin and the seventh pin of the power metering chip are both connected to the control chip.
In this embodiment, the power metering chip is U10, preferably chip HLW8032, and power metering chip U10 is through 5V power supply, and the input is voltage current signal, and the output is power signal, carries out conversion calculation to household electrical appliance energy consumption through power metering chip U10, and the precision is high, and the energy consumption is little, and the reliability is high, and adaptability environment is strong, has promoted accuracy and the reliability of household electrical appliance energy consumption monitoring greatly.
Preferably, as shown in fig. 1 to 7, the voltage transformer circuit includes: the circuit comprises a voltage transformer CT2, a resistor R22, a resistor R29, a resistor R30 and a capacitor C29;
the first primary side of the voltage transformer CT2 is connected with a live wire of a circuit to be tested, the second primary side of the voltage transformer CT2 is connected with a zero line of the circuit to be tested through a resistor R30, the first secondary side of the voltage transformer CT2 is connected with a power metering chip U10 through a resistor R22, the first secondary side of the voltage transformer CT2 is grounded through a resistor R29, one end of the resistor R22, which is connected with the power metering chip U10, is grounded through a capacitor C29, and the second secondary side of the voltage transformer CT2 is grounded.
Further preferably, the current transformer circuit comprises a current transformer CT1, a resistor R19, a resistor R20, a resistor R21, a capacitor C27, and a capacitor C28;
the first port of the current transformer CT1 is connected with the power metering chip U10 through a resistor R20, the second port of the current transformer CT1 is connected with the power metering chip U10 through a resistor R19, the resistor R21 is connected with the two ends of the current transformer CT1 in parallel, one end of the resistor R20 connected with the power metering chip U10 is grounded through a capacitor C28, one end of the resistor R19 connected with the power metering chip U10 is grounded through a capacitor C27
In this embodiment, the voltage transformer CT2 is a current type voltage transformer, preferably a voltage transformer ZMPT107, the current transformer CT1 is preferably TA21a11, a live wire of a line to be tested passes through the current transformer CT1 for detecting a current of the line to be tested, the voltage transformer CT2 is connected in parallel to the line to be tested, and a voltage coefficient is obtained by a ratio of the resistor R30 to the resistor R29, so that an input high voltage is converted into a preset low voltage, and the operation is stable and reliable.
Preferably, as shown in fig. 1 to 7, the control chip is U4, the control chip U4 includes first to thirty-ninth pins, wherein the thirteenth pin and the fourteenth pin of the control chip U4 are connected to the power metering chip U10, the tenth pin, the eleventh pin, the twelfth pin, the twenty-fifth pin, the twenty-eighth pin, the twenty-ninth pin, the thirty-eleventh pin, the thirty-third pin, the thirty-sixth pin and the thirty-seventh pin of the control chip U4 are connected to the data transmission module, the first pin, the fifteenth pin, the thirty-eighth pin and the thirty-ninth pin of the control chip U4 are grounded, and the second pin of the control chip U4 is connected to the power supply module.
In this embodiment, the control chip U4 is preferably a chip ESP32-S, and the control chip U4 is a core of the entire control circuit, and is configured to generate a corresponding control signal according to the power signal, and control other function modules to execute related actions through the control signal, on one hand, transmit the control signal to the data transmission module, upload the energy consumption information of the circuit to be tested to an external server through the data transmission module for storage and analysis, and provide for a user to observe, on the other hand, control the indicator light module through the control signal to display an operating state of the control circuit.
Preferably, as shown in fig. 1 to 7, the ethernet control chip is U7, and the data transmission module includes an ethernet control chip U7, a crystal oscillator Y1, a resistor R32, a resistor R35, a resistor R36, a resistor R38, a resistor R39, a resistor R40, a resistor R41, a resistor R42, a resistor R47, a resistor R50, a resistor R51, a capacitor C21, and a capacitor C22;
wherein, the twelfth pin of the ethernet control chip U7 is connected to the thirty-third pin of the control chip U4, the twelfth pin of the ethernet control chip U7 is further connected to the power module through the resistor R39, the thirteenth pin of the ethernet control chip U7 is connected to the thirty-seventh pin of the control chip U4, the seventeenth pin of the ethernet control chip U7 is connected to the thirty-eleventh pin of the control chip U4, the eighteenth pin of the ethernet control chip U7 is connected to the thirty-sixth pin of the control chip U4, the sixteenth pin of the ethernet control chip U7 is connected to the thirty-third pin of the control chip U4, the eighth pin of the ethernet control chip U7 is connected to the tenth pin of the control chip U4 through the resistor R40, the seventh pin of the ethernet control chip U7 is connected to the eleventh pin of the control chip U4 through the resistor R42, the tenth pin of the ethernet control chip U7 is connected to the power module through the resistor R38, one end of the resistor R38 connected with the power supply module is further connected with a twelfth pin of the control chip U4 through a resistor R32, one end of the resistor R38 connected with the power supply module is further connected with a tenth pin of the control chip U4 through a resistor R35, one end of the resistor R38 connected with the power supply module is further connected with an eleventh pin of the control chip U4 through a resistor R36, an eleventh pin of the Ethernet control chip U7 is connected with a twelfth pin of the control chip U4, a fifteenth pin of the Ethernet control chip U7 is connected with the power supply module through a resistor R41, a fifteenth pin of the Ethernet control chip U7 is further grounded through a capacitor C18, a fifteenth pin of the Ethernet control chip U7 is further connected with a twenty-ninth pin of the control chip U4, a fifth pin of the Ethernet control chip U7 is connected with a twenty-eighth pin of the control chip U4, a fifth pin of the Ethernet control chip U7 is connected with one end of the resistor R47, and one end of the other end of the resistor R47 is connected with a resistor R50, the other end of the resistor R50 is connected with a twenty-fifth pin of a control chip U4, a third pin of a crystal oscillator Y1 is connected with a joint of a resistor R47 and a resistor R50, a first pin and a second pin of a crystal oscillator Y1 are both grounded through the resistor R51, a fifth pin of an Ethernet control chip U7 is further connected with a joint of a first pin and a second pin of the crystal oscillator Y1, a fourth pin of the crystal oscillator Y1 is connected with a second preset power supply, a twenty-first pin, a twentieth pin, a twenty-third pin and a twenty-second pin of the Ethernet control chip U7 are all connected with an external connector, a twenty-first pin of the Ethernet control chip U7 is connected with the second preset power supply through a resistor R54, a twentieth pin of the Ethernet control chip U7 is connected with the second preset power supply through a resistor R53, a twenty-third pin of the Ethernet control chip U7 is connected with the second preset power supply through a resistor R52, and a second pin of the Ethernet control chip U7 is connected with the second preset power supply through a resistor R49, the twenty-fourth pin of the ethernet control chip U7 is grounded through the resistor R48, the third pin and the second pin of the ethernet control chip U7 are both connected to the external connector, the ninth pin, the first pin and the nineteenth pin of the ethernet control chip U7 are both connected to the second preset power supply, the twenty-fifth pin of the ethernet control chip U7 is grounded, the sixth pin of the ethernet control chip U7 is grounded through the capacitor C21, and the capacitor C22 is connected in parallel to the two ends of the capacitor C21.
In this embodiment, the ethernet control chip U7 is preferably a LAN8720A, and the energy consumption information is transmitted to the external server through the ethernet control chip U7, so that a user can observe the energy consumption information of the home appliance in real time through the server, and reasonably arrange resource allocation and reconfiguration of the home appliance according to the energy consumption information, for example, when it is observed how much energy consumption of a certain home appliance is, reduce the frequency of use of the home appliance or change the home appliance into a brand model with lower energy consumption, so as to facilitate the user to optimize the home energy consumption structure.
Preferably, as shown in fig. 1 to 7, the power supply module includes:
the first voltage transformation circuit is used for converting an input power supply into a first preset power supply;
and the second voltage transformation circuit is connected with the first voltage transformation circuit and converts the first preset power supply into a second preset power supply.
Further preferably, the first voltage transformation circuit comprises a power chip U2 and a capacitor C5, a first pin of the power chip U2 is connected to a zero line of an input power, a second pin of the power chip U2 is connected to a live line of the input power, a third pin of the power chip U2 is grounded, a fourth pin of the power chip U2 outputs a first preset power, a fourth pin of the power chip U2 is further connected to an anode of the capacitor C5, and a third pin of the power chip U2 is further connected to a cathode of the capacitor C5.
Further preferably, the second voltage transformation circuit includes a voltage regulation chip U1, a capacitor C11 and a capacitor C15, the first pin of the voltage regulation chip U1 is grounded, the third pin of the voltage regulation chip U1 is connected to the first preset power supply, the third pin of the voltage regulation chip U1 is also grounded through the capacitor C11, the second pin of the voltage regulation chip U1 outputs the second preset power supply, and the second pin of the voltage regulation chip U1 is also grounded through the capacitor C15.
In this embodiment, the input power is 220V, the 220V is reduced to a first preset power 5V by the power chip U2, and the first preset power 5V is converted to a second preset power 3.3V by the voltage regulation chip U1, where the power chip U2 is preferably a chip HLK-PM01, and the voltage regulation chip U1 is preferably AMS1117-3.3_ C880752. The power supply circuit is used for converting an input alternating current power supply into a direct current power supply and providing power supplies with different amplitudes for the whole circuit, the simple power supply circuit can provide required power supplies for different functional modules, the size of the whole energy consumption monitoring system is effectively reduced, the environment adaptability of the whole energy consumption monitoring system is higher, and the power supply circuit is suitable for various scenes.
Preferably, as shown in fig. 1 to 7, the mobile terminal further includes a reset module, the reset module includes a KEY1, a resistor R2, and a capacitor C1, wherein a first pin of the KEY1 is connected to a twenty-fourth pin of the control chip U4, a first pin of the KEY1 is further connected to the power module through the resistor R2, a second pin of the KEY1 is grounded, and the capacitor C1 is connected in parallel to two ends of the KEY 1.
In this embodiment, the power consumption monitoring circuit further includes a reset module, configured to control a reset state of the control chip U4 during a power-on or reset process: the control chip U4 is kept in the reset state in the period of time, and does not work after being powered on or just reset, so that the control chip U4 is prevented from sending wrong instructions and executing wrong operations, and the electromagnetic compatibility performance can be improved.
Preferably, as shown in fig. 1 to 7, the electronic device further includes an indicator light module, the indicator light module includes a light emitting diode LED1, a light emitting diode LD2, a light emitting diode LED3, a resistor R23, a resistor R24, and a resistor R25, wherein a negative electrode of the light emitting diode LED1 is connected to the twenty-seventh pin of the control chip U4, a positive electrode of the light emitting diode LED1 is connected to the power supply module through the resistor R23, a negative electrode of the light emitting diode LED2 is connected to the twenty-sixth pin of the control chip U4, a positive electrode of the light emitting diode LED2 is connected to the power supply module through the resistor R24, a negative electrode of the light emitting diode LED3 is connected to the twenty-third pin of the control chip U4, and a positive electrode of the light emitting diode LED3 is connected to the power supply module through the resistor R25.
In this embodiment, the light emitting diode LED1 is used for displaying the operation state of the whole energy consumption monitoring circuit, the light emitting diode LED2 is used for displaying the fault state of the whole energy consumption monitoring circuit, the light emitting diode LED3 is used for displaying the communication state with the outside world of the whole energy consumption monitoring circuit, and the user can obtain the working state of the energy consumption monitoring circuit according to the states of different indicator lights, so that the user can find the abnormality of the energy consumption monitoring circuit in time and maintain the energy consumption monitoring circuit in time.
It should be noted that the descriptions related to "first", "second", "a", etc. in the present invention are only used for descriptive purposes and are not to be construed as indicating or implying relative importance or implicit indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. The terms "connected," "fixed," and the like are to be construed broadly, e.g., "fixed" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
Claims (9)
1. A power consumption monitoring control circuit, comprising:
the power supply module is used for converting an input power supply into a preset power supply and supplying power to the control circuit;
the energy consumption acquisition module is connected with the power supply module and comprises a voltage transformer circuit for acquiring voltage signals of a line to be detected, a current transformer circuit for acquiring current signals of the line to be detected and a power metering chip for converting the voltage signals and the current signals into corresponding power signals;
the control chip is connected with the power metering chip and generates a corresponding control signal according to the power signal;
and the data transmission module is connected with the control chip and transmits the control signal to an external server.
2. The energy consumption monitoring and control circuit of claim 1, wherein the power metering chip is connected with a capacitor C26, the first pin of the power metering chip is grounded through a capacitor C26, the first pin of the power metering chip is further connected with a power supply module, the second pin and the third pin of the power metering chip are both connected with a current transformer circuit, the fourth pin of the power metering chip is connected with a voltage transformer circuit, the fifth pin of the power metering chip, the sixth pin and the seventh pin of the power metering chip are both connected with the control chip.
3. The power consumption monitoring and control circuit of claim 1, wherein the voltage transformer circuit comprises: the circuit comprises a voltage transformer CT2, a resistor R22, a resistor R29, a resistor R30 and a capacitor C29;
the first primary side of the voltage transformer CT2 is connected with a live wire of a circuit to be tested, the second primary side of the voltage transformer CT2 is connected with a zero line of the circuit to be tested through a resistor R30, the first secondary side of the voltage transformer CT2 is connected with the power metering chip through a resistor R22, the first secondary side of the voltage transformer CT2 is grounded through a resistor R29, one end of the resistor R22, which is connected with the power metering chip, is grounded through a capacitor C29, and the second secondary side of the voltage transformer CT2 is grounded.
4. The circuit for monitoring and controlling energy consumption of claim 1, wherein the current transformer circuit comprises a current transformer CT1, a resistor R19, a resistor R20, a resistor R21, a capacitor C27, a capacitor C28;
the first port of the current transformer CT1 is connected with the power metering chip through a resistor R20, the second port of the current transformer CT1 is connected with the power metering chip through a resistor R19, a resistor R21 is connected in parallel with two ends of the current transformer CT1, one end of the resistor R20 connected with the power metering chip is grounded through a capacitor C28, and one end of the resistor R19 connected with the power metering chip is grounded through a capacitor C27.
5. The energy consumption monitoring and control circuit according to any one of claims 1 to 4, wherein the control chip includes first to thirty-ninth pins, wherein the thirteenth pin and the fourteenth pin of the control chip are connected to the power metering chip, the tenth pin, the eleventh pin, the twelfth pin, the twenty-fifth pin, the twenty-eighth pin, the twenty-ninth pin, the thirty-eleventh pin, the thirty-third pin, the thirty-sixth pin and the thirty-seventh pin of the control chip are connected to the data transmission module, the first pin, the fifteenth pin, the thirty-eighth pin and the thirty-ninth pin of the control chip are grounded, and the second pin of the control chip is connected to the power supply module.
6. The circuit for monitoring and controlling energy consumption of claim 5, wherein the data transmission module comprises an Ethernet control chip, a resistor R32, a resistor R35, a resistor R36, a resistor R38, a resistor R39, a resistor R40, a resistor R41 and a resistor R42;
wherein, the twelfth pin of the Ethernet control chip is connected with the thirty-third pin of the control chip, the twelfth pin of the Ethernet control chip is further connected with the power module through a resistor R39, the thirteenth pin of the Ethernet control chip is connected with the thirty-seventh pin of the control chip, the seventeenth pin of the Ethernet control chip is connected with the thirty-first pin of the control chip, the eighteenth pin of the Ethernet control chip is connected with the thirty-sixth pin of the control chip, the sixteenth pin of the Ethernet control chip is connected with the thirty-third pin of the control chip, the eighth pin of the Ethernet control chip is connected with the tenth pin of the control chip through a resistor R40, the seventh pin of the Ethernet control chip is connected with the eleventh pin of the control chip through a resistor R42, the tenth pin of the Ethernet control chip is connected with the power module through a resistor R38, one end of the resistor R38 connected with the power module is further connected with the twelfth pin of the control chip through a resistor R32, the resistor R38 is connected with one end of the power supply module and is also connected with a tenth pin of the control chip through a resistor R35, the resistor R38 is connected with one end of the power supply module and is also connected with an eleventh pin of the control chip through a resistor R36, the eleventh pin of the Ethernet control chip is connected with a twelfth pin of the control chip, a fifteenth pin of the Ethernet control chip is connected with the power supply module through a resistor R41, the fifteenth pin of the Ethernet control chip is also grounded through a capacitor C18, and the fifteenth pin of the Ethernet control chip is also connected with a twenty-ninth pin of the control chip.
7. The power consumption monitoring and control circuit of claim 1, wherein the power module comprises:
the first voltage transformation circuit is used for converting an input power supply into a first preset power supply;
and the second voltage transformation circuit is connected with the first voltage transformation circuit and converts the first preset power supply into a second preset power supply.
8. The power consumption monitoring and control circuit according to any one of claims 1-4, further comprising a reset module, wherein the reset module comprises a KEY button 1, a resistor R2, and a capacitor C1, wherein the first pin of the KEY button 1 is connected to the twenty-fourth pin of the control chip, the first pin of the KEY button 1 is further connected to the power module through a resistor R2, the second pin of the KEY button 1 is grounded, and the capacitor C1 is connected in parallel to two ends of the KEY button 1.
9. The power consumption monitoring and controlling circuit according to any one of claims 1-4, further comprising an indicator light module, wherein the indicator light module comprises a light emitting diode LED1, a light emitting diode LD2, a light emitting diode LED3, a resistor R23, a resistor R24 and a resistor R25, wherein a cathode of the light emitting diode LED1 is connected to the twenty-seventh pin of the control chip, an anode of the light emitting diode LED1 is connected to the power supply module through a resistor R23, a cathode of the light emitting diode LED2 is connected to the twenty-sixth pin of the control chip, an anode of the light emitting diode LED2 is connected to the power supply module through a resistor R24, a cathode of the light emitting diode LED3 is connected to the twenty-third pin of the control chip, and an anode of the light emitting diode LED3 is connected to the power supply module through a resistor R25.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117111533A (en) * | 2023-10-09 | 2023-11-24 | 佛山市芯耀环保科技有限公司 | Control circuit of ice machine, PCB and ice machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117111533A (en) * | 2023-10-09 | 2023-11-24 | 佛山市芯耀环保科技有限公司 | Control circuit of ice machine, PCB and ice machine |
| CN117111533B (en) * | 2023-10-09 | 2024-05-14 | 佛山市芯耀环保科技有限公司 | Control circuit of ice machine, PCB and ice machine |
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