CN211653527U - Energy consumption measurement and control circuit - Google Patents
Energy consumption measurement and control circuit Download PDFInfo
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- CN211653527U CN211653527U CN202020839965.0U CN202020839965U CN211653527U CN 211653527 U CN211653527 U CN 211653527U CN 202020839965 U CN202020839965 U CN 202020839965U CN 211653527 U CN211653527 U CN 211653527U
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Abstract
The invention relates to the technical field of circuit elements, in particular to an energy consumption measurement and control circuit, which comprises a shell, a power supply circuit, a voltage conversion circuit, a watchdog circuit, a Bluetooth control circuit, a 485 interface circuit, an electric quantity acquisition circuit, an I/O interface circuit, a relay and an indicator light circuit, wherein the power supply circuit is arranged in the shell and is connected with the voltage conversion circuit, 5V-3.3V voltage of the power supply circuit is converted into a 3.3V telephone through the voltage conversion circuit and provides power for the watchdog circuit, the Bluetooth control circuit, the 485 interface circuit, the electric quantity acquisition circuit, the I/O interface circuit, the relay and the indicator light circuit, and a power isolation conversion module is arranged between the voltage conversion circuit and the electric quantity acquisition circuit; the watchdog circuit is connected with the Bluetooth control circuit, and the Bluetooth control circuit detects according to the received Bluetooth signal.
Description
Technical Field
The invention relates to the technical field of circuit elements, in particular to an energy consumption measurement and control circuit.
Background
With the rapid development of economy, the demand of various industries on electricity is increasing, and the imagination that the electricity resource is in short supply and the electricity consumption is unbalanced at different times is still serious. The method aims to relieve the increasingly sharp power supply and demand contradiction in China, improve the imbalance of power consumption and advocate to save power consumption. The problems of improving the national electricity utilization efficiency and reasonably utilizing the power resources are urgently needed to be solved. Before the electric quantity is controlled, the electric quantity information needs to be collected, and electric quantity allocation is carried out on the collected electric energy.
At present, data acquisition terminal products such as various electric meters exist in the market, but the data acquisition terminal products have single functions of acquiring parameters such as electric quantity and the like and do not have active control functions. In many occasions in the industrial field, functions such as collecting electric quantity, processing electric quantity transmission, externally controlling power supply to be turned off and the like are needed. Even products with this complex functionality on the market are bulky and do not have sufficient space to fit in many application scenarios.
Disclosure of Invention
The invention provides an energy consumption measurement and control circuit, which comprises a shell, a power supply circuit, a voltage conversion circuit, a watchdog circuit, a Bluetooth control circuit, a 485 interface circuit, an electric quantity acquisition circuit, an I/O interface circuit, a relay and an indicator light circuit, wherein the power supply circuit is arranged in the shell and is connected with the voltage conversion circuit, 5V-3.3V voltage of the power supply circuit is converted into a 3.3V telephone through the voltage conversion circuit and provides power for the watchdog circuit, the Bluetooth control circuit, the 485 interface circuit, the electric quantity acquisition circuit, the I/O interface circuit, the relay and the indicator light circuit, and a power isolation conversion module is arranged between the voltage conversion circuit and the electric quantity acquisition circuit; the watchdog circuit is connected with the Bluetooth control circuit, and the Bluetooth control circuit detects according to the received Bluetooth signal; the Bluetooth circuit control circuit controls the 485 interface circuit, the electric quantity acquisition circuit, the I/O interface circuit and the relay.
Furthermore, one corner of the front side of the shell is downwards sunken, a first hole groove is formed in the sunken part, a second hole groove is also formed in the non-sunken side, a strong current interface and a relay interface are arranged on the front side face of the corresponding position of the first hole groove and the second hole groove, wherein the position of the first hole groove corresponds to the strong current interface, and the position of the second hole groove corresponds to the relay interface; the rear end of the shell is sunken downwards to form two steps of steps, a third hole groove is formed in the lower step, and a weak current access interface is arranged on the side face of the rear side corresponding to the position of the third hole groove.
Furthermore, the Bluetooth control circuit is also connected with an indicator light circuit, and an indicator light of the circuit is arranged beside the second hole groove.
Further, the voltage conversion circuit comprises a voltage reduction sub-circuit and a voltage stabilization sub-circuit, and the direct-current power supply outputs 5V voltage through the voltage reduction sub-circuit to provide power for the electric quantity acquisition module and the relay; the 5V voltage is continuously reduced through the voltage stabilizing sub-circuit, 3.3V voltage is output, and power is provided for the Bluetooth main control chip, the 485 interface chip and the IO interface.
Further, the bluetooth control circuit includes the bluetooth chip, 485 interface circuit and electric quantity acquisition circuit and bluetooth chip's general asynchronous receiving and dispatching interface connection, and the output interface and the relay of bluetooth chip are connected, and the IO mouth and the IO interface circuit of bluetooth chip are connected, and the bluetooth chip passes through bluetooth board and carries the antenna receiving and dispatching bluetooth signal.
Furthermore, the Bluetooth chip controls the electric quantity acquisition chip through the TTL level.
Furthermore, a power isolation conversion module is arranged between the electric quantity acquisition circuit and the power supply circuit.
The utility model has the advantages that:
1. the utility model discloses install wired 485 interface circuit, the bluetooth circuit of close range communication, can provide the control of many communication modes.
2. The volume is only the shell size of general 3P width product, directly blocks on U type groove and easy to assemble.
3. The utility model discloses install weak point interface and forceful electric power interface respectively at the both ends of casing, reduce the mutual interference and gather the precision.
4. The Bluetooth control circuit and the electric quantity acquisition circuit communicate with each other in a signal isolation mode, so that mutual interference and acquisition precision are reduced.
Drawings
Fig. 1 shows a preferred embodiment of the energy consumption measurement and control circuit of the present invention;
FIG. 2 is a preferred embodiment of the power acquisition circuit of the present invention;
fig. 3 is a preferred embodiment of the bluetooth control circuit of the present invention;
FIG. 4 shows a preferred embodiment of the signal isolation communication of the present invention;
FIG. 5 shows a preferred embodiment of the voltage-reducing current-stabilizing circuit of the present invention;
fig. 6 shows a preferred embodiment 1 of the housing according to the present invention;
fig. 7 shows a preferred embodiment 2 of the housing of the present invention;
wherein, 1, a first hole groove; 2. a second hole groove; 3. a strong current access interface; 4. the relay is connected into the interface; 5. an indicator light; 6. a third hole groove; 7. and a weak current access interface.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides an energy consumption measurement and control device, which comprises a shell, a power supply circuit, a voltage conversion circuit, a watchdog circuit, a Bluetooth control circuit, a 485 interface circuit, an electric quantity acquisition circuit, an I/O interface circuit, a relay and an indicator light circuit, wherein the power supply circuit is arranged in the shell and is connected with the voltage conversion circuit, 5V-3.3V voltage of the power supply circuit is converted into a 3.3V telephone through the voltage conversion circuit, and provides power for the watchdog circuit, the Bluetooth control circuit, the 485 interface circuit, the electric quantity acquisition circuit, the I/O interface circuit, the relay and the indicator light circuit, and a power isolation conversion module is arranged between the voltage conversion circuit and the electric quantity acquisition circuit; the watchdog circuit is connected with the Bluetooth control circuit, and the Bluetooth control circuit detects according to the received Bluetooth signal; the Bluetooth circuit control circuit controls the 485 interface circuit, the electric quantity acquisition circuit, the I/O interface circuit, the relay and the indicator light circuit.
Example 1
As shown in fig. 1, the present embodiment provides a connection manner of a power supply circuit, a voltage conversion circuit, a watchdog circuit, a bluetooth control circuit, a 485 interface circuit, an electric quantity acquisition circuit, an I/O interface circuit, a relay and an indicator light circuit installed inside a housing, as shown in fig. 1, the power supply circuit is connected with the voltage conversion circuit, converts a 5V-3.3V voltage of the power supply circuit into a 3.3V telephone through the voltage conversion circuit, and provides a power supply for the watchdog circuit, the bluetooth control circuit, the 485 interface circuit, the electric quantity acquisition circuit, the I/O interface circuit, the relay and the indicator light circuit, and a power isolation conversion module is arranged between the voltage conversion circuit and the electric quantity acquisition circuit; the watchdog circuit is connected with the Bluetooth control circuit, and the Bluetooth control circuit detects according to the received Bluetooth signal; the Bluetooth circuit control circuit controls the 485 interface circuit, the electric quantity acquisition circuit, the I/O interface circuit, the relay and the indicator light circuit.
As shown in fig. 2, the electric energy collection module in this embodiment includes a collection and processing chip, and the chip is connected to a bluetooth chip in the bluetooth control circuit through a TTL serial port (TTL level).
As shown in fig. 3, in this embodiment, in order to simplify the circuit structure, a bluetooth chip with a control function is adopted, for example, a CC2640 chip, a 485 interface circuit and an electric quantity acquisition circuit are connected to a universal asynchronous receiving and transmitting interface of the bluetooth chip, an output interface of the bluetooth chip is connected to a relay, an I/O port of the bluetooth chip is connected to an I/O interface circuit, and the bluetooth chip receives and transmits a bluetooth signal through a bluetooth onboard antenna.
As shown in fig. 4, in this embodiment, a power isolation and conversion module is disposed between the 5V dc power supply and the power acquisition chip.
Example 2
The embodiment provides a specific implementation mode of the shell.
As shown in fig. 6, one corner of the front side of the housing is recessed downward, a first hole groove is formed in the recessed portion, a second hole groove is also formed in the non-recessed side, and a strong current interface and a relay interface are arranged on the front side surface of the corresponding position of the first hole groove and the second hole groove, wherein the position of the first hole groove corresponds to a strong current access interface, and the position of the second hole groove corresponds to a relay interface; as shown in fig. 7, the rear end of the housing is recessed downward to form two steps, a third hole is formed in the lower step, and a weak current access interface is arranged on the rear side face corresponding to the third hole.
The first hole groove, the second hole groove and the third hole groove are used for conveniently installing or fixing the weak current access interface, the strong current access interface and the relay interface in the shell.
In addition, the weak current interface comprises interfaces with lower voltage, such as an interface of a 485 interface circuit, a grounding interface and the like, and the strong current interface comprises circuit interfaces with higher voltage, such as a mains supply access interface and the like.
Example 3
This embodiment shows an implementation of an indicator light, the indicator light circuit is connected to the bluetooth control circuit and controlled by the bluetooth control module, and the indicator light of the circuit is installed beside the second slot.
Example 4
The embodiment provides a specific implementation manner of a voltage reduction circuit, wherein the voltage conversion circuit comprises a voltage reduction sub-circuit and a voltage stabilization sub-circuit, and a direct-current power supply outputs 5V voltage through the voltage reduction sub-circuit to provide power for an electric quantity acquisition module and a relay; the 5V voltage is continuously reduced through the voltage stabilizing sub-circuit, 3.3V voltage is output, and power is provided for the Bluetooth main control chip, the 485 interface chip and the IO interface.
As shown in fig. 5, the voltage reduction chip adopted in this embodiment is XL1509, which is mainly used to reduce the voltage of the utility power to 5.5V, and in this embodiment, an ME6206 series low dropout linear regulator is also adopted to further perform voltage stabilization and rectification to output a voltage of 3.3V.
Fig. 5 shows a specific connection manner of the voltage conversion circuit, including the resistor. And (4) a capacitor. The connection mode of the devices such as the inductor and the diode can be obtained by those skilled in the art through the connection mode shown in fig. 5, and therefore, the details are not described here.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "outer", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "rotated," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An energy consumption measurement and control circuit comprises a shell, a power supply circuit, a voltage conversion circuit, a watchdog circuit, a Bluetooth control circuit, a 485 interface circuit, an electric quantity acquisition circuit, an I/O interface circuit, a relay and an indicator light circuit, wherein the power supply circuit is connected with the voltage conversion circuit, 5V-3.3V voltage of the power supply circuit is converted into 3.3V voltage through the voltage conversion circuit, and provides power for the watchdog circuit, the Bluetooth control circuit, the 485 interface circuit, the electric quantity acquisition circuit, the I/O interface circuit, the relay and the indicator light circuit, and a power isolation conversion module is arranged between the voltage conversion circuit and the electric quantity acquisition circuit; the watchdog circuit is connected with the Bluetooth control circuit, and the Bluetooth control circuit detects according to the received Bluetooth signal; the Bluetooth circuit control circuit controls the 485 interface circuit, the electric quantity acquisition circuit, the I/O interface circuit and the relay.
2. The energy consumption measurement and control circuit according to claim 1, wherein one corner of the front side of the housing is recessed downward, a first hole groove is formed in the recessed portion, a second hole groove is also formed in the non-recessed side, a strong current interface and a relay interface are arranged on the front side face of the first hole groove corresponding to the second hole groove, wherein the strong current interface is arranged in the first hole groove, and the relay interface is arranged in the second hole groove; the rear end of the shell is sunken downwards to form two steps of steps, a third hole groove is formed in the lower step, and a weak current access interface is arranged on the side face of the rear side corresponding to the position of the third hole groove.
3. The power consumption measurement and control circuit according to claim 2, wherein the bluetooth control circuit is further connected to an indicator light circuit, and an indicator light of the circuit is installed beside the second hole.
4. The power consumption measurement and control circuit according to claim 1, wherein the power supply circuit is a dc power supply, the voltage conversion circuit comprises a voltage reduction sub-circuit and a voltage stabilization sub-circuit, and the dc power supply outputs 5V voltage through the voltage reduction sub-circuit to provide power for the power acquisition module and the relay; the 5V voltage is continuously reduced through the voltage stabilizing sub-circuit, 3.3V voltage is output, and power is provided for the Bluetooth main control chip, the 485 interface chip and the IO interface.
5. The power consumption measurement and control circuit of claim 1, wherein the bluetooth control circuit comprises a bluetooth chip, the 485 interface circuit and the power acquisition circuit are connected to a universal asynchronous transceiver interface of the bluetooth chip, an output interface of the bluetooth chip is connected to the relay, an I/O port of the bluetooth chip is connected to the I/O interface circuit, and the bluetooth chip transmits and receives bluetooth signals through a bluetooth onboard antenna.
6. The power consumption measurement and control circuit of claim 5, wherein the Bluetooth chip controls the power acquisition chip through TTL level.
7. The energy consumption measurement and control circuit according to claim 1, wherein a power isolation and conversion module is arranged between the electric quantity acquisition circuit and the power supply circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020839965.0U CN211653527U (en) | 2020-05-19 | 2020-05-19 | Energy consumption measurement and control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020839965.0U CN211653527U (en) | 2020-05-19 | 2020-05-19 | Energy consumption measurement and control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211653527U true CN211653527U (en) | 2020-10-09 |
Family
ID=72690341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020839965.0U Active CN211653527U (en) | 2020-05-19 | 2020-05-19 | Energy consumption measurement and control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211653527U (en) |
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2020
- 2020-05-19 CN CN202020839965.0U patent/CN211653527U/en active Active
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