CN216391482U

CN216391482U - Multi-path electric energy monitoring intelligent lighting control device

Info

Publication number: CN216391482U
Application number: CN202122942643.6U
Authority: CN
Inventors: 李燕
Original assignee: Shandong Nuo Hui Power Saving Technology Development Corp ltd
Current assignee: Shandong Nuo Hui Power Saving Technology Development Corp ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-04-26
Anticipated expiration: 2031-11-26

Abstract

The application relates to a multichannel electric energy monitoring intelligence lighting control device includes: the control module is electrically connected with the metering module, the metering module comprises a multi-path current acquisition circuit and a multi-path voltage acquisition circuit, and the current acquisition circuit and the voltage acquisition circuit are linearly connected with the power supply module; the control module is electrically connected with the illumination driving module, and the illumination driving module is electrically connected with the illumination system; the control module is electrically connected with the communication module. The utility model provides a control module utilizes metering module to carry out alternating current supply current and supply voltage to multichannel lighting system and samples, and then calculates each way lighting system's actual consumption according to supply current and supply voltage, and control module passes to the energy management platform with the consumption through communication module, monitors lighting system's actual consumption.

Description

Multi-path electric energy monitoring intelligent lighting control device

Technical Field

The application relates to the field of lighting control, in particular to a multi-path electric energy monitoring intelligent lighting control device.

Background

The intelligent lighting controller is mainly applied to the control of a building lighting system of a large public building, and is generally applied to the lighting control of buildings such as shopping malls, supermarkets, office buildings, hospitals and the like.

In order to respond to national green building calls, most public intelligent buildings are connected with a government energy management platform, and the platform classifies building energy consumption, such as air conditioning energy, lighting energy consumption, power energy consumption and the like; the energy management platform needs to count the energy consumption of the lighting system, and market mainstream lighting control equipment is basically applied to simple lighting control and does not have an electric energy monitoring function. And the mainstream lighting control module in the market lacks the ability of communicating with the outside, and the main line connection is local upper controller through the circuit, with data transmission for upper controller, can't directly access government energy management platform.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem or at least partially solve the above technical problem, the present application provides a multi-channel power monitoring intelligent lighting control device.

The application provides a multichannel electric energy monitoring intelligence lighting control device, includes: a control module that, wherein,

the control module is electrically connected with the metering module, the metering module comprises a multi-path current acquisition circuit and a multi-path voltage acquisition circuit, and the current acquisition circuit and the voltage acquisition circuit are linearly connected with the power supply module;

the control module is electrically connected with the illumination driving module, and the illumination driving module is electrically connected with the illumination system;

the control module is electrically connected with the communication module.

Furthermore, the metering module comprises an ATT7022E metering chip, the ATT7022E metering chip is electrically connected with the multi-path current collecting circuit and the multi-path voltage collecting circuit through a current signal input end and a voltage signal input end respectively, and the current signal input end and the voltage signal input end are both electrically connected with the grounded filter capacitor.

Furthermore, the voltage acquisition circuit comprises any one or more of a resistance voltage division type voltage acquisition circuit, a voltage mutual inductance type voltage acquisition circuit, a differential current mutual inductance type voltage acquisition circuit and a single-ended current mutual inductance type voltage acquisition circuit.

Furthermore, the current acquisition circuit comprises one or more of a differential current mutual inductance type current acquisition circuit and a single-ended current mutual inductance type current acquisition circuit.

Furthermore, the power module includes an ac-to-dc converter circuit, an ac-to-dc converter circuit electric connection first voltage conversion unit, 12V power supply signal is exported to first voltage conversion unit, first voltage conversion unit electric connection second voltage conversion unit, second voltage conversion unit converts 12V power supply signal into 5V power supply signal, second voltage conversion unit electric connection third voltage conversion unit, third voltage conversion unit converts 5V power supply signal into 3.3V power supply signal.

Furthermore, the lighting driving module comprises a driving interface chip electrically connected with the control module, the driving interface chip is electrically connected with a plurality of relay switch coils, the relay switch coils are electrically connected with the power supply module, and the relay switch contacts are electrically connected with the lighting system.

Further, the communication module includes, but is not limited to, an RS485 communication module, an RS232 communication module, and a CAN bus communication module.

Furthermore, the control module is electrically connected to a clock module, the clock module includes a clock chip, a power-on pin of the clock chip is electrically connected to a clock power supply and a power supply module, and the clock chip is electrically connected to the control module via an I2C bus.

Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:

the utility model provides a control module utilizes metering module to carry out alternating current supply current and supply voltage to multichannel lighting system and samples, and then calculates each way lighting system's actual consumption according to supply current and supply voltage, and control module passes to the energy management platform with the consumption through communication module, monitors lighting system's actual consumption.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic overall architecture diagram of a multi-channel power monitoring intelligent lighting control device according to an embodiment of the present application;

FIG. 2 is a schematic diagram of a control module provided in an embodiment of the present application;

FIG. 3 is a schematic diagram of a metrology module provided in an embodiment of the present application;

fig. 4 is a schematic diagram of an illumination driving module provided in an embodiment of the present application;

fig. 5 is a schematic diagram of a communication module according to an embodiment of the present disclosure;

FIG. 6 is a schematic diagram of a clock module according to an embodiment of the present disclosure;

fig. 7 is a schematic diagram of a power module according to an embodiment of the present application.

The reference numbers and meanings in the figures are as follows: 1. the device comprises a control module 2, a metering module 3, an illumination driving module 4, a communication module 5, a power supply module 6 and a clock module.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all 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 application.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Referring to fig. 1, an embodiment of the present application provides a multi-channel power monitoring intelligent lighting control device, including: referring to fig. 2, the control module 1 is an ST single chip microcomputer, one possible model is STM32F103VET6, a first crystal oscillator circuit is electrically connected between a pin 12 and a pin 13 of the control module 1, the crystal oscillator frequency of the first crystal oscillator circuit is 8MHz, and the control module 1 is electrically connected to a reset circuit. And the power-on pin of the control module 1 is electrically connected with the 3.3V power supply signal provided by the power module 5.

Referring to fig. 3, the control module 1 is electrically connected to the metering module 2. The metering module 2 comprises an ATT7022E metering chip, the ATT7022E metering chip is electrically connected with a plurality of paths of current collecting circuits and a plurality of paths of voltage collecting circuits through a current signal input end and a voltage signal input end respectively, and the current signal input end and the voltage signal input end are both electrically connected with a grounded filter capacitor.

The voltage acquisition circuit comprises any one or more of a resistance voltage division type voltage acquisition circuit, a voltage mutual inductance type voltage acquisition circuit, a differential current mutual inductance type voltage acquisition circuit and a single-ended current mutual inductance type voltage acquisition circuit. The current acquisition circuit comprises one or more of a differential current mutual inductance type current acquisition circuit and a single-ended current mutual inductance type current acquisition circuit.

Resistance partial pressure formula voltage acquisition circuit includes: one end of the first voltage-dividing resistor is electrically connected with an alternating current power supply, the other end of the first voltage-dividing resistor is connected with a second voltage-dividing resistor in series, the second voltage-dividing resistor is grounded, and the second voltage-dividing resistor are connected with a voltage signal input end of the ATT7022E metering chip through resistor coupling.

The mutual inductance type voltage acquisition circuit of voltage includes: the primary side of the first mutual inductor is connected with an alternating current power supply, one end of the secondary side of the first mutual inductor is grounded, and two ends of the secondary side of the first mutual inductor are respectively connected with the voltage signal input end of the ATT7022E metering chip through resistance coupling.

The differential current mutual inductance type voltage acquisition circuit comprises a second mutual inductor, wherein the primary side of the second mutual inductor is connected with an alternating current power supply, the secondary side of the second mutual inductor is connected in series with two load resistors with the same voltage, the common end of the two load resistors is grounded, and the non-common end of the two load resistors is respectively connected with the voltage signal input end of the ATT7022E metering chip through resistance coupling.

The single-ended current mutual inductance type voltage acquisition circuit comprises a third mutual inductor, wherein the primary side of the third mutual inductor is connected with an alternating current power supply, the secondary side of the third mutual inductor is connected with a load resistor, one end of the secondary side of the third mutual inductor is grounded, and two ends of the load resistor are respectively connected with the voltage signal input end of the ATT7022E metering chip through resistance coupling.

The differential current mutual inductance type current acquisition circuit and the differential current mutual inductance type voltage acquisition circuit have the same structure, and the single-end current mutual inductance type current acquisition circuit and the single-end current mutual inductance type voltage acquisition circuit have the same structure.

Specifically, the metering module 2 is electrically connected to a second crystal oscillator circuit, and a crystal oscillator frequency of the second crystal oscillator circuit is 5.5296 MHz. The ATT7022E measurement chip is electrically connected to the control module 1 through the SPI bus, and specifically,

pins

35, 36, 37, and 38 of the ATT7022E measurement chip are electrically connected to

pins

33, 30, 32, and 31 of the control module 1, respectively. The power-on pin of the metering module 2 is electrically connected with a 3.3V power supply signal provided by the power module 5, the sleep pin of the ATT7022E metering chip is electrically grounded, the TEST pin of the ATT7022E metering chip is grounded, and the No. 1 pin of the ATT7022E metering chip is electrically connected with the No. 29 pin of the control module 1.

Referring to fig. 4, the lighting driving module 3 includes a driving interface chip, a driving interface chip electrically connected to the control module 1, a plurality of relay switches electrically connected to the driving interface chip, 12V power supply signals provided by the relay switches electrically connected to the

power module

5, 12V power supply signals provided by the driving interface chip electrically connected to the power module 5, a relay switch contact electrically connected to the lighting system and the power module 5, and a voltage collecting circuit and a current collecting circuit are disposed at the relay contact.

The control module 1 is electrically connected with the communication module 4, and the communication module 4 is electrically connected with the power supply module. The communication module 4 includes, but is not limited to, an RS485 communication module, an RS232 communication module and a can bus communication module.

Specifically, referring to fig. 5, the communication module 4 is described by taking an RS485 communication module as an example, a 485 communication chip with the model number ADM2483 is adopted as a feasible RS485 communication module, and the pin 25 and the pin 26 of the control module 1 are electrically connected to the pin 6 and the pin 3 of the 485 communication chip. No. 12 and No. 13 pins of the 485 communication chip are electrically connected with the 485 interface. The store pin of the 485 communication chip is electrically connected with the 5V power supply signal provided by the power supply module.

The control module 1 is electrically connected to the clock module 6, the clock module 6 includes a clock chip, an electrifying pin of the clock chip is electrically connected to a clock power supply and the power module 5, specifically, a 3.3V power supply signal provided by the power module 5 is electrically connected to the electrifying pin of the clock chip through a diode D1 and a resistor R51, a positive electrode of the clock power supply is electrically connected to the electrifying pin of the clock chip, a negative electrode of the clock chip is grounded, and the electrifying pin is electrically connected to the filter capacitor C57. The clock chip is electrically connected with the control module 1 through an I2C bus.

Referring to fig. 7, the power module includes an ac-to-dc converter circuit, the ac-to-dc converter circuit is electrically connected to a first voltage conversion unit, the first voltage conversion unit outputs a 12V power supply signal, the first voltage conversion unit is electrically connected to a second voltage conversion unit, the second voltage conversion unit converts the 12V power supply signal into a 5V power supply signal, the second voltage conversion unit is electrically connected to a third voltage conversion unit, and the third voltage conversion unit converts the 5V power supply signal into a 3.3V power supply signal.

In the embodiments provided in the present invention, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.

The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a multichannel electric energy monitoring intelligence lighting control device which characterized in that includes: a control module (1) in which,

the control module (1) is electrically connected with the metering module (2), the metering module (2) comprises a multi-path current acquisition circuit and a multi-path voltage acquisition circuit, and the current acquisition circuit and the voltage acquisition circuit are linearly connected with the power supply module (5);

the control module (1) is electrically connected with the illumination driving module (3), and the illumination driving module (3) is electrically connected with the power supply module (5) and the illumination system;

the control module (1) is electrically connected with the communication module (4).

2. The multi-path electric energy monitoring intelligent lighting control device is characterized in that the metering module (2) comprises an ATT7022E metering chip, the ATT7022E metering chip is electrically connected with a multi-path current acquisition circuit and a multi-path voltage acquisition circuit through a current signal input end and a voltage signal input end respectively, and the current signal input end and the voltage signal input end are both electrically connected with a grounded filter capacitor.

3. The multi-channel electric energy monitoring intelligent lighting control device as claimed in claim 2, wherein the voltage acquisition circuit comprises any one or more of a resistance voltage division type voltage acquisition circuit, a voltage mutual inductance type voltage acquisition circuit, a differential current mutual inductance type voltage acquisition circuit and a single-end current mutual inductance type voltage acquisition circuit.

4. The multi-channel electric energy monitoring intelligent lighting control device as claimed in claim 2, wherein the current collection circuit comprises one or more of a differential current mutual inductance type current collection circuit and a single-ended current mutual inductance type current collection circuit.

5. The multi-channel electric energy monitoring intelligent lighting control device according to claim 1, wherein the power module (5) comprises an ac-to-dc converter circuit, the ac-to-dc converter circuit is electrically connected to a first voltage conversion unit, the first voltage conversion unit outputs a 12V power supply signal, the first voltage conversion unit is electrically connected to a second voltage conversion unit, the second voltage conversion unit converts the 12V power supply signal into a 5V power supply signal, the second voltage conversion unit is electrically connected to a third voltage conversion unit, and the third voltage conversion unit converts the 5V power supply signal into a 3.3V power supply signal.

6. The multi-channel electric energy monitoring intelligent lighting control device as claimed in claim 1, wherein the lighting driving module (3) comprises a driving interface chip, the driving interface chip is electrically connected with the control module (1), the driving interface chip is electrically connected with a plurality of coils of the relay switch, the coils of the relay switch are electrically connected with the power supply module (5), and the contacts of the relay switch are electrically connected with the lighting system.

7. The multi-path electric energy monitoring intelligent lighting control device is characterized in that the communication module (4) comprises but is not limited to an RS485 communication module, an RS232 communication module and a CAN bus communication module.

8. The multi-channel electric energy monitoring intelligent lighting control device is characterized in that the control module (1) is electrically connected with a clock module (6), the clock module (6) comprises a clock chip, a power-on pin of the clock chip is electrically connected with a clock power supply and a power supply module (5), and the clock chip is electrically connected with the control module (1) through an I2C bus.