CN220457425U - Electric energy pulse data acquisition gateway - Google Patents
Electric energy pulse data acquisition gateway Download PDFInfo
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- CN220457425U CN220457425U CN202322060566.0U CN202322060566U CN220457425U CN 220457425 U CN220457425 U CN 220457425U CN 202322060566 U CN202322060566 U CN 202322060566U CN 220457425 U CN220457425 U CN 220457425U
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Abstract
The utility model discloses an electric energy pulse data acquisition gateway, and relates to the technical field of electronic equipment. The electric energy pulse data acquisition gateway comprises a main control module, an electric energy pulse acquisition module, a communication module and a power supply module; the electric energy pulse acquisition module is electrically connected with the main control module and comprises a plurality of electric energy pulse acquisition circuits for acquiring electric energy pulse signals of a plurality of electric meters; the communication module is electrically connected with the main control module and comprises an SOC chip and an RS485 communication unit, and the SOC chip is used for driving the RS485 communication unit to acquire electricity consumption data of the ammeter through a built-in serial port; the power supply module is respectively and electrically connected with the main control module, the electric energy pulse acquisition module and the communication module. According to the electric energy pulse data acquisition gateway, remote centralized meter reading and metering of old electric meters of apartment users with wide industrial parks or partial distribution areas can be realized, so that the labor cost and time cost of electric energy meter reading of the industrial parks are effectively reduced.
Description
Technical Field
The utility model relates to the technical field of electronic equipment, in particular to an electric energy pulse data acquisition gateway.
Background
The old ammeter of apartment user that industrial park or part distribution area are wide exists that the group network wiring is difficult, the ammeter kind is many, communication interface and regulation are not unified scheduling problem, needs a large amount of manpower and materials when checking meter, and time cost and price cost are higher.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the electric energy pulse data acquisition gateway which can realize remote centralized meter reading of multiple electric meters and reduce labor cost and time cost.
According to an embodiment of the utility model, a gateway for collecting electric energy pulse data comprises:
a main control module;
the electric energy pulse acquisition module is electrically connected with the main control module and comprises a plurality of electric energy pulse acquisition circuits for acquiring electric energy pulse signals of a plurality of electric meters;
the communication module is electrically connected with the main control module and comprises an SOC chip and an RS485 communication unit, and the SOC chip is used for driving the RS485 communication unit to acquire electricity consumption data of the ammeter through a built-in serial port;
and the power supply module is respectively and electrically connected with the main control module, the electric energy pulse acquisition module and the communication module.
According to some embodiments of the utility model, each of the power pulse acquisition circuits includes a first optocoupler, a first resistor, a second resistor, a third resistor, a first capacitor, and a first diode; the first end of the first resistor is used for being connected with an electric energy pulse signal of the electric meter, the second end of the first resistor is electrically connected with the first input end of the first photoelectric coupler, and the second input end of the first photoelectric coupler is connected with power ground; the anode of the first diode is connected with the power ground, and the cathode of the first diode is electrically connected with the second end of the first resistor; the first end of the second resistor is electrically connected with the second end of the first resistor, and the second end of the second resistor is connected with the power ground; the first end of the first capacitor is electrically connected with the second end of the first resistor, and the second end of the first capacitor is connected with the power ground; the first output end of the first photoelectric coupler is electrically connected with the main control module, and the second output end of the first photoelectric coupler is grounded; the first output end of the first photoelectric coupler is also connected with a 5V power supply provided by the power supply module through the third resistor.
According to some embodiments of the utility model, the electric energy pulse data acquisition gateway further comprises a switching value output module, and the switching value output module is electrically connected with the main control module.
According to some embodiments of the present utility model, the switching value output module includes multiple switching value output circuits, each of which includes a second photocoupler, a fourth resistor, a fifth resistor, a second capacitor, a first MOS transistor, and a second diode; the first input end of the second photoelectric coupler is electrically connected with the main control module through the fourth resistor, the second input end of the second photoelectric coupler is grounded, and the first input end and the second input end of the second photoelectric coupler are connected through the second capacitor; the first end of the fifth resistor is electrically connected with the first output end of the second photoelectric coupler, and the second end of the fifth resistor is connected with a 12V power supply provided by the power supply module; the grid electrode of the first MOS tube is electrically connected with the second output end of the second photoelectric coupler, the drain electrode of the first MOS tube is electrically connected with the second end of the fifth resistor, the source electrode of the first MOS tube is electrically connected with the anode of the second diode, and the cathode of the second diode is electrically connected with the second end of the fifth resistor.
According to some embodiments of the utility model, the electric energy pulse data acquisition gateway further comprises an analog input module, and the analog input module is electrically connected with the main control module.
According to some embodiments of the utility model, the analog input module includes multiple analog input circuits, each of which includes a first operational amplifier, a sixth resistor, a seventh resistor, an eighth resistor, a third capacitor, and a fourth capacitor; the first end of the sixth resistor is electrically connected with the main control module, the second end of the sixth resistor is electrically connected with the non-inverting input end of the first operational amplifier, and the inverting input end of the first operational amplifier is electrically connected with the output end of the first operational amplifier; the first end of the seventh resistor is electrically connected with the main control module, and the second end of the seventh resistor is grounded; the first end of the third capacitor is electrically connected with the non-inverting input end of the first operational amplifier, and the second end of the third capacitor is grounded; the first end of the eighth resistor is electrically connected with the output end of the first operational amplifier, and the second end of the eighth resistor is connected with external equipment; the first end of the fourth capacitor is electrically connected with the second end of the eighth resistor, and the second end of the fourth capacitor is grounded.
According to some embodiments of the utility model, the SOC chip integrates a 4G chip and an MCU with various baud rates and various communication protocols built in, including but not limited to DLT645, CDT, modbus, and IEC101; and the SOC chip is used for driving the RS485 communication unit to acquire electricity consumption data of the ammeter through a built-in serial port.
According to some embodiments of the utility model, the electric energy pulse data acquisition gateway further comprises an isolation module, and the main control module and the communication module communicate through the isolation module.
According to some embodiments of the utility model, the electric energy pulse data acquisition gateway further comprises a reset monitoring module, and the reset monitoring module is electrically connected with the main control module.
According to some embodiments of the utility model, the electric energy pulse data acquisition gateway further comprises a storage module, and the storage module is electrically connected with the main control module.
The electric energy pulse data acquisition gateway provided by the embodiment of the utility model has at least the following beneficial effects: the acquisition of the electric energy pulse signals of a plurality of electric meters can be realized through a multi-channel electric energy pulse acquisition circuit in the electric energy pulse acquisition module; the remote acquisition of electricity consumption data of the ammeter can be realized through the SOC chip of the communication module and the RS485 communication unit; therefore, the electric energy pulse data acquisition gateway provided by the embodiment of the utility model can realize remote centralized meter reading and metering of old electric meters of apartment users in industrial parks or partial wide distribution areas, thereby effectively reducing the labor cost and time cost of electric energy meter reading in the industrial parks.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of a gateway for collecting electrical energy pulse data according to an embodiment of the present utility model;
FIG. 2 is a schematic circuit diagram of a main control module, an isolation module, a reset monitoring module and a memory module according to an embodiment of the present utility model;
FIG. 3 is a schematic circuit diagram of an electrical energy pulse acquisition module according to an embodiment of the present utility model;
fig. 4 is a schematic circuit diagram of a communication module according to an embodiment of the utility model;
FIG. 5 is a schematic circuit diagram of a switching value output module according to an embodiment of the present utility model;
FIG. 6 is a schematic circuit diagram of an analog input module according to an embodiment of the present utility model;
reference numerals:
the device comprises a main control module 100, an electric energy pulse acquisition module 200, an electric energy pulse acquisition circuit 210, a communication module 300, a power supply module 400, a switching value output module 500, a switching value output circuit 510, an analog value input module 600, an analog value input circuit 610, an isolation module 700, a reset monitoring module 800 and a storage module 900.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
The old ammeter of apartment user that industrial park or part distribution area are wide exists that the group network wiring is difficult, the ammeter kind is many, communication interface and regulation are not unified scheduling problem, needs a large amount of manpower and materials when checking meter, and time cost and price cost are higher.
Therefore, the embodiment of the utility model provides the electric energy pulse data acquisition gateway which can realize remote centralized meter reading and metering of old electric meters of apartment users with wide industrial parks or partial distribution areas, thereby effectively reducing the labor cost and time cost of electric energy meter reading of the industrial parks.
The power pulse data acquisition gateway according to an embodiment of the present utility model is described in detail below with reference to fig. 1 to 6.
As shown in fig. 1, the electric energy pulse data acquisition gateway according to the embodiment of the present utility model includes a main control module 100, an electric energy pulse acquisition module 200, a communication module 300 and a power supply module 400; the main control module 100 is responsible for controlling the operation of the whole gateway; the electric energy pulse acquisition module 200 is electrically connected with the main control module 100, and the electric energy pulse acquisition module 200 comprises a multi-path electric energy pulse acquisition circuit 210 for acquiring electric energy pulse signals of a plurality of electric meters; the communication module 300 is electrically connected with the main control module 100, the communication module 300 comprises an SOC chip and an RS485 communication unit, and the SOC chip is used for driving the RS485 communication unit to collect electricity consumption data of the ammeter through a built-in serial port; the power supply module 400 is electrically connected with the main control module 100, the electric energy pulse acquisition module 200 and the communication module 300 respectively, and is used for supplying power to each module, so that the gateway can work normally.
According to the electric energy pulse data acquisition gateway provided by the embodiment of the utility model, the acquisition of electric energy pulse signals of a plurality of electric meters can be realized through the multi-channel electric energy pulse acquisition circuit 210 in the electric energy pulse acquisition module 200; the remote acquisition of electricity consumption data of the ammeter can be realized through the SOC chip of the communication module 300 and the RS485 communication unit; therefore, the electric energy pulse data acquisition gateway provided by the embodiment of the utility model can realize remote centralized meter reading and metering of old electric meters of apartment users in industrial parks or partial wide distribution areas, thereby effectively reducing the labor cost and time cost of electric energy meter reading in the industrial parks.
Specifically, as shown in fig. 2, in some embodiments of the present utility model, the main control module 100 includes a single-chip microcomputer U1, where a specific model of the single-chip microcomputer U1 may adopt STM32F071OCBT and the like; the singlechip U1 is connected with a crystal oscillator X2 and a crystal oscillator X3.
As shown in fig. 3, in some embodiments of the present utility model, the power pulse acquisition module 200 includes a multi-path power pulse acquisition circuit 210 (fig. 3 shows a four-path power pulse acquisition circuit 210), each path of power pulse acquisition circuit 210 including a first photo-coupler (i.e., TF1/TF2/TF3/TF 4), a first resistor (i.e., resistor R21/R24/R27/R30), a second resistor (i.e., resistor R20/R23/R26/R29), a third resistor (i.e., resistor R19/R22/R25/R28), a first capacitor (i.e., capacitor C19/C20/C21/C22), and a first diode (i.e., D1/D2/D3/D4), respectively; the first end of the first resistor is used for being connected with an electric energy pulse signal of the ammeter, the second end of the first resistor is electrically connected with the first input end of the first photoelectric coupler, and the second input end of the first photoelectric coupler is connected with power ground; the anode of the first diode is connected with the power supply ground, and the cathode of the first diode is electrically connected with the second end of the first resistor; the first end of the second resistor is electrically connected with the second end of the first resistor, and the second end of the second resistor is connected with power ground; the first end of the first capacitor is electrically connected with the second end of the first resistor, and the second end of the first capacitor is connected with power ground; the first output end of the first photoelectric coupler is electrically connected with the main control module 100, and the second output end of the first photoelectric coupler is grounded; the first output end of the first photocoupler is also connected with a 5V power supply provided by the power supply module 400 through a third resistor.
Taking one path of electric energy pulse acquisition circuit 210 as an example for detailed description, the electric energy pulse acquisition circuit 210 includes a first photoelectric coupler TF1, a first resistor R21, a second resistor R20, a third resistor R19, a first capacitor C19 and a first diode D1; the first end of the first resistor R21 is used for being connected with an electric energy pulse signal YX2 of an electric meter, the second end of the first resistor R21 is electrically connected with the first input end (namely the 1 st pin) of the first photoelectric coupler TF1, and the second input end (namely the 2 nd pin) of the first photoelectric coupler TF1 is connected with the power supply ground 12VGND; the anode of the first diode D1 is connected with the power ground 12VGND, and the cathode of the first diode D1 is electrically connected with the second end of the first resistor R21; the first end of the second resistor R20 is electrically connected with the second end of the first resistor R21, and the second end of the second resistor R20 is connected with the power ground 12VGND; a first end of the first capacitor C19 is electrically connected with a second end of the first resistor R21, and a second end of the first capacitor C19 is connected with the power ground 12VGND; the first output end (namely the 4 th pin) of the first photoelectric coupler TF1 is electrically connected with the IN0 pin of the singlechip U1 of the main control module 100, and the second output end (namely the 3 rd pin) of the first photoelectric coupler TF1 is grounded; the first output terminal of the first photocoupler TF1 is further connected to a 5V power supply provided by the power supply module 400 through a third resistor R19.
The electric energy pulse acquisition module 200 acquires electric energy pulse signals of a plurality of electric meters through the multipath electric energy pulse acquisition circuit 210, and performs electric isolation through the photoelectric coupler, so that the stability of system operation is effectively ensured.
As shown in fig. 4, in some embodiments of the present utility model, the communication module 300 includes an SOC chip (the model may employ AIR724UG, etc.) and an RS485 communication unit (not shown), where the SOC chip integrates a 4G chip and an MCU, and multiple baud rates and multiple communication protocols are built in, where the communication protocols include DLT645, CDT, modbus, IEC101, etc.; the SOC chip is used for driving the RS485 communication unit to collect electricity consumption data of the ammeter through the built-in serial port. The SOC chip internally comprises a 4G radio frequency loop, an ARM9 integrated MCU, a storage loop, auxiliary peripherals and the like, the SOC chip drives the RS485 loop to acquire electricity data of an ammeter through a built-in serial port, the chip internally is internally provided with a plurality of baud rates from 1200 to 115200, simultaneously supports a plurality of communication protocols such as DLT645, CDT, modbus, IEC101 protocols and the like, and can automatically detect the ammeter protocol under the combination of the plurality of baud rates and the electric power protocol and automatically lock the ammeter protocol after detection is finished. Because the communication module 300 supports multiple baud rates and multiple power specifications, the same gateway can be uniformly adopted for collecting electricity consumption data of the electric meters by multiple electric meters of different types, so that the on-site installation, construction and debugging are greatly facilitated, and the centralized meter reading cost is saved.
As shown in fig. 5, in some embodiments of the present utility model, the power pulse data acquisition gateway further includes a switching value output module 500, and the switching value output module 500 is electrically connected to the main control module 100. The switching value output module 500 is configured to send a switching value signal to an external device, so as to implement digital signal communication with the external device.
Specifically, in this example, the switching value output module 500 includes a multi-path switching value output circuit 510 (8-path switching value output circuit 510 is shown in fig. 5), each path of switching value output circuit 510 including a second photo-coupler (i.e., TF5/TF6/TF7/TF8/TF9/TF10/TF11/TF 12), a fourth resistor (i.e., resistor R31/R33/R35/R37/R39/R41/R43/R45), a fifth resistor (i.e., resistor R32/R34/R36/R38/R40/R42/R44/R46), a second capacitor (i.e., capacitor C23/C24/C25/C26/C27/C28/C29/C30), a first MOS transistor (i.e., MOS1/MOS2/MOS3/MOS4/MOS5/MOS6/MOS7/MOS 8), and a second diode (i.e., diode D5/D6/D7/D8/D9/D10/D11/D12), respectively; the first input end of the second photoelectric coupler is electrically connected with the main control module 100 through a fourth resistor, the second input end of the second photoelectric coupler is grounded, and the first input end and the second input end of the second photoelectric coupler are connected through a second capacitor; the first end of the fifth resistor is electrically connected with the first output end of the second photoelectric coupler, and the second end of the fifth resistor is connected with a 12V power supply provided by the power supply module 400; the grid electrode of the first MOS tube is electrically connected with the second output end of the second photoelectric coupler, the drain electrode of the first MOS tube is electrically connected with the second end of the fifth resistor, the source electrode of the second MOS tube is electrically connected with the anode of the second diode, and the cathode of the second diode is electrically connected with the second end of the fifth resistor.
Taking one of the switching value output circuits 510 as an example for detailed description, the switching value output circuit 510 includes a second photo-coupler TF5, a fourth resistor R31, a fifth resistor R32, a second capacitor C23, a first MOS transistor MOS1, and a second diode D5; the first input end (i.e. the 1 st pin) of the second photoelectric coupler TF5 is electrically connected with the DO1 pin of the singlechip U1 of the main control module 100 through a fourth resistor R31, the second input end (i.e. the 2 nd pin) of the second photoelectric coupler TF5 is grounded, and the first input end and the second input end of the second photoelectric coupler TF5 are connected through a second capacitor C23; a first end of the fifth resistor R32 is electrically connected to the first output end (i.e. the 4 th pin) of the second photocoupler TF5, and a second end of the fifth resistor R32 is connected to the 12V power supply provided by the power supply module 400; the gate of the first MOS transistor MOS1 is electrically connected to the second output end (i.e., the 3 rd pin) of the second optocoupler TF5, the drain of the first MOS transistor MOS1 is electrically connected to the second end of the fifth resistor R32, the source of the first MOS transistor MOS1 is electrically connected to the anode of the second diode D5, and the cathode of the second diode D5 is electrically connected to the second end of the fifth resistor R32.
The main control module 100 can transmit a switching value signal to an external device through the multi-path switching value output circuit 510 in the switching value output module 500, thereby realizing digital signal communication with the external device and control of the external device.
As shown in fig. 6, in some embodiments of the present utility model, the electric energy pulse data acquisition gateway further includes an analog input module 600, and the analog input module 600 is electrically connected to the main control module 100. The analog input module 600 is configured to receive an analog signal sent by an external device, and send the analog signal to the main control module 100.
Specifically, in this example, the analog input module 600 includes multiple analog input circuits 610 (7 analog input circuits 610 are shown in fig. 6), each analog input circuit 610 including a first operational amplifier (i.e., U7A/U7B/U7C/U8A/U9B/U8C/U8D), a sixth resistor (i.e., resistor R47/R50/R53/R56/R59/R62/R65), a seventh resistor (i.e., resistor R48/R51/R54/R57/R60/R63/R66), an eighth resistor (i.e., resistor R49/R52/R55/R58/R61/R64/R67), a third capacitor (i.e., capacitor C32/C34/C36/C38/C40/C42/C44), and a fourth capacitor (i.e., capacitor C33/C35/C37/C39/C41/C43/C45); the first end of the sixth resistor is electrically connected with the main control module 100, the second end of the sixth resistor is electrically connected with the non-inverting input end of the first operational amplifier, and the inverting input end of the first operational amplifier is electrically connected with the output end of the first operational amplifier; the first end of the seventh resistor is electrically connected with the main control module 100, and the second end of the seventh resistor is grounded; the first end of the third capacitor is electrically connected with the non-inverting input end of the first operational amplifier, and the second end of the third capacitor is grounded; the first end of the eighth resistor is electrically connected with the output end of the first operational amplifier, and the second end of the eighth resistor is connected with external equipment; the first end of the fourth capacitor is electrically connected with the second end of the eighth resistor, and the second end of the fourth capacitor is grounded.
Taking one analog input circuit 610 as an example, the analog input circuit 610 includes a first operational amplifier U7A, a sixth resistor R47, a seventh resistor R48, an eighth resistor R49, a third capacitor C32, and a fourth capacitor C33; the first end of the sixth resistor R47 is electrically connected with an AI1 pin of the singlechip U1 of the main control module 100, the second end of the sixth resistor R47 is electrically connected with the non-inverting input end of the first operational amplifier U7A, and the inverting input end of the first operational amplifier U7A is electrically connected with the output end of the first operational amplifier U7A; the first end of the seventh resistor R48 is electrically connected with an AI1 pin of the singlechip U1 of the main control module 100, and the second end of the seventh resistor R48 is grounded; the first end of the third capacitor C32 is electrically connected with the non-inverting input end of the first operational amplifier U7A, and the second end of the third capacitor C32 is grounded; a first end of the eighth resistor R49 is electrically connected with the output end of the first operational amplifier U7A, and a second end of the eighth resistor R49 is connected with external equipment; the first end of the fourth capacitor C33 is electrically connected to the second end of the eighth resistor R49, and the second end of the fourth capacitor C33 is grounded.
The analog input module 600 receives analog signals transmitted from the external device through the multi-channel analog input circuit 610, filters and amplifies the analog signals, and transmits the filtered analog signals to the main control module 100.
As shown in fig. 2, in some embodiments of the present utility model, the power pulse data collection gateway further includes an isolation module 700, and the main control module 100 and the communication module 300 communicate through the isolation module 700. Specifically, the isolation module 700 includes a photo-coupler TF13 and a photo-coupler TF14; the 1 st pin of the photoelectric coupler TF13 is connected with 1V8_G, the 2 nd pin of the photoelectric coupler TF13 is connected with the TXD1 pin of the communication module 300 through a resistor R8, the 3 rd pin of the photoelectric coupler TF13 is grounded, the 4 th pin of the photoelectric coupler TF13 is connected with a 5V power supply through a resistor R7, and the 4 th pin of the electric coupler TF13 is also connected with the RXD pin of the main control module 100; the 1 st pin of the photoelectric coupler TF14 is connected with a 5V power supply, the second pin of the photoelectric coupler TF14 is connected with the TXD pin of the main control module 100 through a resistor R9, the 3 rd pin of the photoelectric coupler TF14 is connected with SGND, the 4 th pin of the photoelectric coupler TF14 is connected with the RXD1 pin of the communication module 300, and the 4 th pin of the photoelectric coupler TF14 is also connected with 1V8_G through a resistor R10. The isolation module 700 realizes the electrical isolation of the main control module 100 and the communication module 300 through the photoelectric coupler TF13 and the photoelectric coupler TF14, and ensures the stable operation of the system.
As shown in fig. 2, in some embodiments of the present utility model, the power pulse data acquisition gateway further includes a reset monitoring module 800, where the reset monitoring module 800 is electrically connected to the main control module 100. In this example, the reset monitoring module 800 includes a reset monitoring chip U5, where the U5 may be of a model such as SP706SE, and the reset monitoring chip U5 can monitor the operation process of the main control module 100 and can reset the main control module 100 when an abnormality occurs.
As shown in fig. 2, in some embodiments of the present utility model, the power pulse data acquisition gateway further includes a memory module 900, and the memory module 900 is electrically connected to the main control module 100. In this example, the memory module 900 includes a memory chip U6, where the memory chip U6 may be of a model such as FM24C64B, and the memory chip U6 is used to store data acquired/processed by the main control module 100.
In some embodiments of the present utility model, the power supply module 400 may employ a common DC-DC chip, and after rectifying and filtering the 220V ac power provided by the external power supply, the 220V power supply is converted into voltages of 12V, 5V, 3.3V, etc. required by each module of the gateway through the corresponding DC-DC chip.
In the description of the present specification, a description referring to the terms "one embodiment," "further embodiment," "some specific embodiments," or "some examples," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. An electrical energy pulse data collection gateway, comprising:
a main control module;
the electric energy pulse acquisition module is electrically connected with the main control module and comprises a plurality of electric energy pulse acquisition circuits for acquiring electric energy pulse signals of a plurality of electric meters;
the communication module is electrically connected with the main control module and comprises an SOC chip and an RS485 communication unit, and the SOC chip is used for driving the RS485 communication unit to acquire electricity consumption data of the ammeter through a built-in serial port;
and the power supply module is respectively and electrically connected with the main control module, the electric energy pulse acquisition module and the communication module.
2. The electrical energy pulse data collection gateway of claim 1, wherein each of the electrical energy pulse collection circuits comprises a first optocoupler, a first resistor, a second resistor, a third resistor, a first capacitor, and a first diode; the first end of the first resistor is used for being connected with an electric energy pulse signal of the electric meter, the second end of the first resistor is electrically connected with the first input end of the first photoelectric coupler, and the second input end of the first photoelectric coupler is connected with power ground; the anode of the first diode is connected with the power ground, and the cathode of the first diode is electrically connected with the second end of the first resistor; the first end of the second resistor is electrically connected with the second end of the first resistor, and the second end of the second resistor is connected with the power ground; the first end of the first capacitor is electrically connected with the second end of the first resistor, and the second end of the first capacitor is connected with the power ground; the first output end of the first photoelectric coupler is electrically connected with the main control module, and the second output end of the first photoelectric coupler is grounded; the first output end of the first photoelectric coupler is also connected with a 5V power supply provided by the power supply module through the third resistor.
3. The electrical energy pulse data collection gateway of claim 1, further comprising a switching value output module electrically connected to the master control module.
4. The electrical energy pulse data collection gateway of claim 3, wherein the switching value output module comprises a plurality of switching value output circuits, each switching value output circuit comprising a second photo-coupler, a fourth resistor, a fifth resistor, a second capacitor, a first MOS transistor and a second diode; the first input end of the second photoelectric coupler is electrically connected with the main control module through the fourth resistor, the second input end of the second photoelectric coupler is grounded, and the first input end and the second input end of the second photoelectric coupler are connected through the second capacitor; the first end of the fifth resistor is electrically connected with the first output end of the second photoelectric coupler, and the second end of the fifth resistor is connected with a 12V power supply provided by the power supply module; the grid electrode of the first MOS tube is electrically connected with the second output end of the second photoelectric coupler, the drain electrode of the first MOS tube is electrically connected with the second end of the fifth resistor, the source electrode of the first MOS tube is electrically connected with the anode of the second diode, and the cathode of the second diode is electrically connected with the second end of the fifth resistor.
5. The electrical energy pulse data collection gateway of claim 1, further comprising an analog input module electrically connected to the master control module.
6. The electrical energy pulse data collection gateway of claim 5, wherein the analog input module comprises a plurality of analog input circuits, each of the analog input circuits comprising a first operational amplifier, a sixth resistor, a seventh resistor, an eighth resistor, a third capacitor, and a fourth capacitor; the first end of the sixth resistor is electrically connected with the main control module, the second end of the sixth resistor is electrically connected with the non-inverting input end of the first operational amplifier, and the inverting input end of the first operational amplifier is electrically connected with the output end of the first operational amplifier; the first end of the seventh resistor is electrically connected with the main control module, and the second end of the seventh resistor is grounded; the first end of the third capacitor is electrically connected with the non-inverting input end of the first operational amplifier, and the second end of the third capacitor is grounded; the first end of the eighth resistor is electrically connected with the output end of the first operational amplifier, and the second end of the eighth resistor is connected with external equipment; the first end of the fourth capacitor is electrically connected with the second end of the eighth resistor, and the second end of the fourth capacitor is grounded.
7. The electrical energy pulse data collection gateway of claim 1, wherein the SOC chip integrates a 4G chip and an MCU with a plurality of baud rates and a plurality of communication protocols built in, including but not limited to DLT645, CDT, modbus and IEC101; and the SOC chip is used for driving the RS485 communication unit to acquire electricity consumption data of the ammeter through a built-in serial port.
8. The electrical energy pulse data collection gateway of claim 1, further comprising an isolation module, wherein the master control module communicates with the communication module via the isolation module.
9. The electrical energy pulse data collection gateway of claim 1, further comprising a reset monitoring module electrically connected to the master control module.
10. The electrical energy pulse data collection gateway of claim 1, further comprising a memory module electrically connected to the master control module.
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| CN202322060566.0U CN220457425U (en) | 2023-08-01 | 2023-08-01 | Electric energy pulse data acquisition gateway |
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| CN202322060566.0U CN220457425U (en) | 2023-08-01 | 2023-08-01 | Electric energy pulse data acquisition gateway |
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