CN215415606U - Electric energy metering circuit for socket - Google Patents
Electric energy metering circuit for socket Download PDFInfo
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- CN215415606U CN215415606U CN202121570044.XU CN202121570044U CN215415606U CN 215415606 U CN215415606 U CN 215415606U CN 202121570044 U CN202121570044 U CN 202121570044U CN 215415606 U CN215415606 U CN 215415606U
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- 238000001514 detection method Methods 0.000 claims abstract description 42
- 238000005259 measurement Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The utility model provides an electric energy metering circuit used on a socket, which comprises a main control module, a power supply access end used for externally connecting alternating current voltage, an AC-DC power supply module used for converting the alternating current voltage accessed by the power supply access end into direct current voltage and providing required power supply voltage for each module, an electric quantity detection module used for metering and detecting electric energy accessed by the power supply access end and sending a metering result to the main control module, a switch control module used for controlling the main control module to work or crash, a state indicator lamp module used for displaying the running working state of a circuit and a controlled switch module used for controlling the electric quantity detection module to work or crash. The electric energy metering circuit for the socket can simplify the circuit complexity, improve the working efficiency of the circuit and simultaneously meter power and electric energy.
Description
Technical Field
The utility model relates to the technical field of electronic circuits, in particular to an electric energy metering circuit for a socket.
Background
At present, along with the continuous development of an intelligent society, most of the existing sockets are intelligent, the power consumption of a single electric appliance in a certain time period can be informed to people, and certain convenience is brought to the daily life of people.
However, in practice, it is found that most of existing socket circuits capable of informing people of electricity consumption of a single electric appliance within a certain time period are prone to problems of unstable circuits, complex circuits, low efficiency, high process difficulty and the like, so that the manufacturing cost of the socket is increased to a certain extent, and the maintenance difficulty of the socket is increased.
Therefore, it is desirable to provide an electric energy metering circuit for use in a socket to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem of providing an electric energy metering circuit for a socket, which can simplify the circuit complexity, improve the working efficiency of the circuit and simultaneously meter power and electric energy.
In order to solve the above technical problems, one technical solution adopted by the present invention is to provide an electric energy metering circuit for a socket, including a main control module 5, a power access terminal 7 for externally connecting an alternating current voltage, an AC-DC power supply module 1 for converting the alternating current voltage accessed by the power access terminal 7 into a direct current voltage and providing a required power voltage for each module, an electric energy detection module 2 for measuring and detecting the electric energy accessed by the power access terminal 7 and sending a measurement result to the main control module 5, a switch control module 3 for controlling the main control module 5 to work or crash, a status indicator lamp module 4 for displaying a circuit operation working status, and a controlled switch module 6 for controlling the electric energy detection module 2 to work or crash;
the controlled switch module 6 is electrically connected between the power supply access end 7 and the detection signal input end of the electric quantity detection module 2, the control signal input end of the controlled switch module 6 is electrically connected with the main control module 5, the signal output end of the electric quantity detection module 2 is electrically connected with the main control module 5, and the signal input end of the status indicator lamp module 4 is electrically connected with the main control module 5.
In the examples, it is preferred that:
an electric energy metering chip circuit 21 for metering electric energy in a detection circuit and sending a metering result to the main control module 5 and an interference removing circuit 22 for eliminating common-mode interference signals of a ground wire GND and a zero line N in a power grid are arranged in the electric quantity detection module 2;
the controlled switch module 6 is electrically connected between the power supply access end 7 and the detection signal input end of the electric energy metering chip circuit 21, the signal output end of the electric energy metering chip circuit 21 is electrically connected with the main control module 5, one end of the interference removing circuit 22 is electrically connected between the ground wire GND and the zero line N, and the other end of the interference removing circuit is electrically connected with the electric energy metering chip circuit 21.
In the examples, it is preferred that:
an AC-DC switching power supply chip circuit 11 for converting the alternating current voltage accessed by the power access end 7 into direct current voltage and a stabilized voltage power supply chip circuit 12 for providing required power supply voltage for each module are arranged in the AC-DC power supply module 1, and the power output end of the AC-DC switching power supply chip circuit 11 is electrically connected with the stabilized voltage power supply chip circuit 12.
In the examples, it is preferred that:
the controlled switch module 6 is internally provided with a relay switch circuit 61 for controlling the connection and disconnection of the electric quantity detection module 2 and the power supply access end 7 and a relay coil circuit 62 for controlling the connection and disconnection of the relay switch circuit 61, the control signal input end of the relay coil circuit 62 is electrically connected with the main control module 5, and the relay switch circuit 61 is electrically connected between the power supply access end 7 and the detection signal input end of the electric quantity detection module 2.
In the examples, it is preferred that:
a relay coil K1 and a triode Q1 for controlling the on-off of the relay coil K1 are arranged in the relay coil circuit 62;
the collector of the triode Q1 is electrically connected with the relay coil K1, the emitter of the triode Q1 is grounded, the base of the triode Q1 is used as the control signal input end of the relay coil circuit 62 and is electrically connected with the main control module 1 through a resistor R12, a resistor R5 is electrically connected between the emitter and the base of the triode Q1, and two ends of the relay coil K1 are connected with a diode D5 in parallel.
The utility model has the beneficial effects that: the electric energy metering circuit for the socket can simplify the circuit complexity, improve the working efficiency of the circuit and simultaneously meter power and electric energy.
Drawings
FIG. 1 is a schematic block diagram of the electrical circuit configuration of an electrical energy metering circuit for use in an electrical outlet in accordance with the present invention;
FIG. 2 is a schematic diagram of the circuit configuration of an electrical energy metering circuit for use in a receptacle of the present invention;
fig. 3 is a block diagram of a receptacle for use with a power metering circuit on the receptacle of the present invention.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the drawings.
Referring to fig. 1, the electric energy metering circuit for a socket according to the present embodiment includes a main control module 5, a power supply access terminal 7 for externally connecting an AC voltage, an AC-DC power supply module 1 for converting the AC voltage accessed by the power supply access terminal 7 into a DC voltage and providing a required power supply voltage for each module, an electric quantity detection module 2 for measuring and detecting the electric energy accessed by the power supply access terminal 7 and sending a measurement result to the main control module 5, a switch control module 3 for controlling the main control module 5 to operate or crash, a status indicator lamp module 4 for displaying an operating status of a circuit, and a controlled switch module 6 for controlling the electric quantity detection module 2 to operate or crash;
wherein, controlled switch module 6 electricity is connected between power incoming end 7 and electric quantity detection module 2 detection signal input end, and main control module 5 is connected to controlled switch module 6's control signal input end electricity, and main control module 5 is connected to electric quantity detection module 2's signal output part electricity, and main control module 5 is connected to the signal input part electricity of status indicator lamp module 4.
In this embodiment, when the switch control module 3 is pressed to start the operation of the main control module 5, the main control module 5 can drive the controlled switch module 6 to connect the power access terminal 7 and the detection signal input terminal of the electric quantity detection module 2, so that the electric quantity detection module 2 measures and detects the electric energy accessed by the power access terminal 7 and sends the measurement result to the main control module 5, and then the main control module 5 can send the measurement result to the user terminal in a wireless manner to make the user learn the power consumption of the socket in a certain period of time, and meanwhile, the status indicator lamp module 4 can be electrically connected to the main control module 5 through the RLY LED pin to display the network operating status, and the status indicator lamp module 4 can be electrically connected to the main control module 5 through the NET LED pin to display the relay operating status.
Preferably, the AC voltage is externally obtained at the power access terminal 7 by connecting the live line L and the ground line GND, and then the AC-DC power supply module 1 can convert the AC voltage into a DC voltage and provide the required power voltage for each module.
Referring to fig. 2, in the embodiment of the present invention, it is preferable that:
an electric energy metering chip circuit 21 for metering electric energy in the detection circuit and sending a metering result to the main control module 5 and an interference removing circuit 22 for eliminating common mode interference signals of a ground wire GND and a zero line N in a power grid are arranged in the electric quantity detection module 2;
the controlled switch module 6 is electrically connected between the power supply access end 7 and the detection signal input end of the electric energy metering chip circuit 21, the signal output end of the electric energy metering chip circuit 21 is electrically connected with the main control module 5, one end of the interference removing circuit 22 is electrically connected between the ground wire GND and the zero line N, and the other end of the interference removing circuit is electrically connected with the electric energy metering chip circuit 21.
In this embodiment, be equipped with the single-phase multi-functional electric energy metering chip of wide range that the model is BL0937 in the electric energy metering chip circuit 21 in this application, it is applicable in single-phase socket meter, single-phase row of inserting, applications such as intelligent household electrical appliances control circuit, can measure parameters such as single-phase active energy, active power, current voltage effective value, can fully satisfy the needs in fields such as socket meter, single-phase row of inserting, intelligent household electrical appliances.
Preferably, when the electric energy accessed by the power access terminal 7 is electrically connected to the electric energy metering chip circuit 21, the electric energy can pass through the plurality of resistors connected in series, and the resistance value increased by the plurality of resistors connected in series can increase the heat dissipation power, and then the capacitor C13 connected in parallel can allow the alternating current signal or the alternating current component to pass through the capacitor by-pass, so as to achieve the filtering effect.
Preferably, because the electric energy metering chip circuit 21 needs to be directly connected to the power supply access terminal 7 to connect to the external power grid, and the common mode interference caused by the power grid can cause the electric current obtained by the electric energy metering chip circuit 21 to be different in magnitude, and further can influence the accuracy of the metering result obtained by the electric energy metering chip circuit 21, the interference removing circuit 22 designed in the present application can deal with this problem.
Referring to fig. 2, in the embodiment of the present invention, it is preferable that:
an AC-DC switching power supply chip circuit 11 for converting alternating current voltage accessed by the power access end 7 into direct current voltage and a stabilized voltage power supply chip circuit 12 for providing required power supply voltage for each module are arranged in the AC-DC power supply module 1, and the power output end of the AC-DC switching power supply chip circuit 11 is electrically connected with the stabilized voltage power supply chip circuit 12.
Referring to fig. 2, in the embodiment of the present invention, it is preferable that:
the controlled switch module 6 is internally provided with a relay switch circuit 61 for controlling the connection and disconnection of the electric quantity detection module 2 and the power supply access end 7 and a relay coil circuit 62 for controlling the connection and disconnection of the relay switch circuit 61, the control signal input end of the relay coil circuit 62 is electrically connected with the main control module 5, and the relay switch circuit 61 is electrically connected between the power supply access end 7 and the detection signal input end of the electric quantity detection module 2.
Referring to fig. 2, in the embodiment of the present invention, it is preferable that:
a relay coil K1 and a triode Q1 for controlling the on-off of the relay coil K1 are arranged in the relay coil circuit 62;
the collector of the triode Q1 is electrically connected with the relay coil K1, the emitter of the triode Q1 is grounded, the base of the triode Q1 is used as the control signal input end of the relay coil circuit 62 and is electrically connected with the main control module 1 through the resistor R12, the resistor R5 is electrically connected between the emitter and the base of the triode Q1, and the two ends of the relay coil K1 are connected with the diode D5 in parallel.
In this embodiment, when the switch control module 3 is pressed to start the operation of the main control module 5, the main control module 5 may send a conducting signal to the base of the transistor Q1, and then the transistor Q1 may drive the relay coil K1 to move so as to close the relay switch circuit 61, thereby achieving the connection between the electric quantity detection module 2 and the power supply access terminal 7, so that the electric quantity detection module 2 measures and detects the electric energy accessed by the power supply access terminal 7 and sends the measurement result to the main control module 5, and then the main control module 5 may send the measurement result to the user terminal in a wireless manner so that the user can obtain the electric quantity used by the socket in a certain period of time.
Preferably, the socket is the same as a common socket in use method, is used for providing power connection or power switching function of electrical appliances, and is convenient to use and operate.
Preferably, the application can enable a user to know the power consumption and the consumed electric energy of the electric appliance in real time, know the power consumption condition of the electric appliance, improve the power saving consciousness, facilitate reasonable use of the electric appliance, achieve the purpose of saving the electric energy and also promote an electric appliance manufacturer to design and produce the electric appliance with more energy saving on the basis of meeting the original use conditions.
It can be seen that, by implementing the electric energy metering circuit for the socket described in fig. 1 to 3, the complexity of the circuit can be simplified, and the power and the electric energy can be metered while the working efficiency of the circuit is improved.
In addition, the electric energy metering circuit used on the socket described in fig. 1 to fig. 3 can be implemented to conveniently monitor the electric energy of various electric appliances, so as to greatly improve the monitoring and management capabilities of various electric appliances and provide a necessary means for saving and using the electric energy.
In addition, the electric energy metering circuit for the socket described in the figures 1-3 is implemented, the electric energy metering circuit is simple in structure, novel and reasonable in design, convenient and fast to use and operate, high in intelligent degree, complete in function, low in implementation cost and capable of effectively improving the power saving consciousness of the electric appliance user.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. An electric energy metering circuit for a socket, characterized in that: the intelligent power supply system comprises a main control module (5), a power supply access end (7) for externally connecting alternating current voltage, an AC-DC power supply module (1) for converting the alternating current voltage accessed by the power supply access end (7) into direct current voltage and providing required power supply voltage for each module, an electric quantity detection module (2) for measuring and detecting electric energy accessed by the power supply access end (7) and sending a measurement result to the main control module (5), a switch control module (3) for controlling the main control module (5) to work or crash, a status indicator lamp module (4) for displaying the operating state of a circuit and a controlled switch module (6) for controlling the electric quantity detection module (2) to work or crash;
the power supply control device comprises a power supply access end (7), an electric quantity detection module (2), a controlled switch module (6), a main control module (5), a signal output end of the electric quantity detection module (2), and a state indicator lamp module (4), wherein the controlled switch module (6) is electrically connected between the power supply access end (7) and a detection signal input end of the electric quantity detection module (2), the control signal input end of the controlled switch module (6) is electrically connected with the main control module (5), the signal output end of the electric quantity detection module (2) is electrically connected with the main control module (5), and the signal input end of the state indicator lamp module (4) is electrically connected with the main control module (5).
2. The power metering circuit for use with an outlet of claim 1, wherein:
an electric energy metering chip circuit (21) used for metering electric energy in a detection circuit and sending a metering result to the main control module (5) and an interference removing circuit (22) used for removing common-mode interference signals of a ground wire GND and a zero line N in a power grid are arranged in the electric quantity detection module (2);
the controlled switch module (6) is electrically connected between the power supply access end (7) and the detection signal input end of the electric energy metering chip circuit (21), the signal output end of the electric energy metering chip circuit (21) is electrically connected with the main control module (5), one end of the interference removing circuit (22) is electrically connected between the ground wire GND and the zero line N, and the other end of the interference removing circuit is electrically connected with the electric energy metering chip circuit (21).
3. The power metering circuit for use with an outlet of claim 1, wherein:
an AC-DC switching power supply chip circuit (11) used for converting the alternating current voltage accessed by the power supply access end (7) into direct current voltage and a stabilized voltage power supply chip circuit (12) used for providing required power supply voltage for each module are arranged in the AC-DC power supply module (1), and the power output end of the AC-DC switching power supply chip circuit (11) is electrically connected with the stabilized voltage power supply chip circuit (12).
4. An electric energy metering circuit for an outlet according to any one of claims 1 to 3, wherein:
the power supply control device is characterized in that a relay switch circuit (61) for controlling connection and disconnection of the electric quantity detection module (2) and the power supply access end (7) and a relay coil circuit (62) for controlling connection and disconnection of the relay switch circuit (61) are arranged in the controlled switch module (6), a control signal input end of the relay coil circuit (62) is electrically connected with the main control module (5), and the relay switch circuit (61) is electrically connected between the power supply access end (7) and a detection signal input end of the electric quantity detection module (2).
5. The power metering circuit for use with an outlet of claim 4, wherein:
a relay coil K1 and a triode Q1 for controlling the on-off of the relay coil K1 are arranged in the relay coil circuit (62);
the collector of the triode Q1 is electrically connected with the relay coil K1, the emitter of the triode Q1 is grounded, the base of the triode Q1 is used as the control signal input end of the relay coil circuit (62) and is electrically connected with the main control module (5) through the resistor R12, the resistor R5 is electrically connected between the emitter and the base of the triode Q1, and the two ends of the relay coil K1 are connected with the diode D5 in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121570044.XU CN215415606U (en) | 2021-07-08 | 2021-07-08 | Electric energy metering circuit for socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121570044.XU CN215415606U (en) | 2021-07-08 | 2021-07-08 | Electric energy metering circuit for socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215415606U true CN215415606U (en) | 2022-01-04 |
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ID=79648600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121570044.XU Expired - Fee Related CN215415606U (en) | 2021-07-08 | 2021-07-08 | Electric energy metering circuit for socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215415606U (en) |
-
2021
- 2021-07-08 CN CN202121570044.XU patent/CN215415606U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220104 |
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| CF01 | Termination of patent right due to non-payment of annual fee |