Intelligent power management system and device for voltage stabilization protection

Abstract

The invention discloses an intelligent power management system and device with voltage stabilization protection, and the system comprises a power management system disposed in a power management device body, and the power management system comprises a main chip, and a metering module, a voltage stabilization protection module, an output driving module and a communication module which are connected with the main chip. The main chip measures the power supply characteristics of the intelligent power supply management equipment through the metering module; the main chip controls on and off of a shunt load of the intelligent power supply management equipment through the output driving module; the main chip is connected with an upper computer through the communication module or connected with equipment with the same communication interface of the communication module; comprising a power management device body, an equipment base, a U-shaped seat, a mounting shaft and a connecting structure, and the power management device body is sleeved with a protective shell. And the other end of the power management device main body is connected with the fixed power management device main body.

Description

Technical Field

[0001] The present invention relates to the technical field of intelligent power management, and in particular to an intelligent power management system and device for voltage stabilization protection. Background Art

[0002] With the development of society, household electricity consumption has become increasingly intelligent, and home networks have gradually taken shape, making the collaboration and security of household electricity consumption and home networks the key to smart home appliances. The intelligent power management system is one of the basic devices for data collection in smart home appliance systems. It undertakes the tasks of collecting, measuring and transmitting original power data, and is the basis for realizing information integration, analysis optimization and information display. It is also an important part of smart homes. At present, due to the rapid development of smart homes, the demand for intelligent power management systems has increased rapidly. In order to respond to the country's requirements for energy conservation and emission reduction and to consider electricity safety, the society urgently needs an intelligent power management system and device with voltage stabilization and protection to solve the above problems. Summary of the invention

[0003] The purpose of the present invention is to provide an intelligent power management system and device for voltage stabilization protection to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned object, the present invention provides the following technical solutions: an intelligent power management system with voltage stabilization protection, comprising a power management system installed in a main body of a power management device, the power management system comprising a main chip, a metering module, a voltage stabilization protection module, an output drive module and a communication module respectively connected to the main chip, the main chip measures the power characteristics of the intelligent power management device through the metering module; The main chip controls the opening and closing of the shunt load of the intelligent power management device through the output drive module; The main chip is connected to the host computer through the communication module, or is connected to the device with the same communication interface as the communication module, so as to realize remote control of the branch loads of the intelligent power management device, configuration of power pre-alarm parameters, configuration of network parameters and reporting of working status data of each branch load; the main chip builds a web server through the Ethernet controller of the communication module, is connected to the host computer through the network interface, accesses or modifies network parameters and power pre-alarm parameter configuration, including overvoltage parameters, undervoltage parameters and overcurrent parameters, and communicates with external CAN devices through high-speed CAN transceivers to realize data reporting and remote control; The voltage stabilization protection module includes a rectifier filter circuit, a switch voltage stabilization circuit, a voltage stabilization DC output circuit, a control circuit and an overvoltage protection circuit; The detection module includes a main control chip, a power detection module, a power conversion module, an RFID radio frequency identification module and a relay module; The RFID radio frequency identification module includes a reader / writer module, an electronic tag module, a data processing and transmission module and an RF energy collection module.

[0005] Preferably, the main chip is connected to a power module, a reset circuit, a crystal oscillator, a memory, an alarm and a debugging serial port, and the detection module also includes an LED dimming module and a communication module.

[0006] Preferably, the metering module includes a power metering chip and a Hall current sensor, the power metering chip is used to measure the power supply characteristics of the total input AC power supply, the Hall current sensor is used to convert the current signal of the shunt load into a voltage signal receivable by the main chip, and the electronic tag module includes a passive tag and an active tag.

[0007] Preferably, the output drive module includes an isolation drive chip and an electromagnetic relay, wherein the isolation drive chip is used to provide sixteen isolation drive channels, and the output current of the isolation drive chip can reach 500mA; the electromagnetic relay is used to control the cutting off and recovery of the power supply output circuit, and its contact load current can reach up to 30A at most.

[0008] Preferably, the communication module includes an Ethernet controller and a high-speed CAN transceiver.

[0009] An intelligent power management device for voltage stabilization protection comprises a power management device body, a device base, a U-shaped seat, a mounting shaft and a connecting structure, wherein a protective shell is sleeved on the outside of the power management device body, the mounting shaft is mounted on the U-shaped seat, a mounting block is assembled at the bottom end of the protective shell, and the mounting block is mounted on the mounting shaft through a connecting structure, wherein the connecting structure comprises a connecting portion, an L-shaped slot, a groove, a limit block and a spring; The connecting part is installed on the mounting block, the L-shaped groove is opened on the connecting part, the mounting shaft is placed in the L-shaped groove, the groove is opened on the L-shaped groove, the limit block is placed in the groove, the spring is installed between the groove and the limit block, and the limit block is tightly pressed in the L-shaped groove.

[0010] Preferably, a cylinder is installed in the spring, a block is installed on the cylinder, a slot is provided on the groove, the block is clamped in the slot, an annular groove is provided on the block, an elastic part is installed in the slot, the number of the elastic parts is not less than six, the elastic parts are distributed in the slot in an annular shape and equidistantly, and the elastic part is clamped in the annular groove.

[0011] Preferably, a slot is provided on the L-shaped groove, the limit block is inserted into the slot, a bolt is installed at the bottom end of the U-shaped seat, a threaded hole is provided on the equipment base, and the bolt is sleeved in the threaded hole.

[0012] Preferably, the protective shell includes a rubber shell a and a rubber shell b, and the rubber shell a and the rubber shell b are connected by a snap-fit ​​structure, and the snap-fit ​​structure includes a buckle installed on the side wall of the rubber shell b and a clamping cavity opened on the side wall of the rubber shell a, the buckle is snapped in the clamping cavity, and a spring cavity is opened at the top of the clamping cavity, and a filling piece is installed inside the spring cavity.

[0013] Compared with the prior art, this solution designs an intelligent power management system and device for voltage stabilization protection, which has the following beneficial effects: The solution provides two working modes: manual control and remote control. It monitors the total input power and branch load current. When power consumption is abnormal, it automatically shuts down the corresponding output drive module to cut off the power supply and notifies maintenance personnel through the alarm. At the same time, it provides equipment fault logs to improve maintenance efficiency, thereby ensuring the safety and reliability of the entire power system.

[0014] The scheme enables the power management device body to be adjusted at any angle, while the other end of the power management device body is connected to fix the power management device body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a functional block diagram of the power management system of the present invention; Figure 2 This is a functional block diagram of voltage stabilization protection of the present invention; Figure 3 is a schematic diagram of the main body of the power management device of the present invention; Figure 4 It is a schematic diagram of the structure of the equipment base, mounting holes and threaded holes of the present invention; Figure 5 It is a schematic diagram of the clamping structure of the present invention; Figure 6 It is a schematic diagram of the groove, limit block and spring structure of the present invention; Figure 7 It is a structural schematic diagram of A of the present invention; In the figure: 1. Power management device body; 2. U-shaped seat; 3. Equipment base; 4. Connection structure; 401. Connection part; 402. L-shaped groove; 403. Groove; 404. Limit block; 405. Spring; 5. Card cavity; 6. Buckle; 7. Bolt; 8. Threaded hole; 9. Slot; 10. Cylinder; 11. Card block; 12. Card groove; 13. Annular groove; 14. Elastic member; 15. Mounting shaft; 16. Filling member; 17. Spring cavity; 201. Rubber shell a; 202. Rubber shell b. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] See also Figures 1 to 7 , a technical solution provided by the present invention: an intelligent power management system with voltage stabilization protection, comprising a power management system installed in a power management device body 1, the power management system comprising a main chip, a metering module, a voltage stabilization protection module, an output drive module and a communication module respectively connected to the main chip, the main chip measures the power characteristics of the intelligent power management device through the metering module; The main chip controls the opening and closing of the shunt load of the intelligent power management device through the output drive module; The main chip is connected to the host computer through the communication module, or is connected to the device with the same communication interface as the communication module, so as to realize remote control of the branch loads of the intelligent power management device, configuration of power pre-alarm parameters, configuration of network parameters and reporting of working status data of each branch load; the main chip builds a web server through the Ethernet controller of the communication module, is connected to the host computer through the network interface, accesses or modifies network parameters and power pre-alarm parameter configuration, including overvoltage parameters, undervoltage parameters and overcurrent parameters, and communicates with external CAN devices through high-speed CAN transceivers to realize data reporting and remote control; The voltage stabilization protection module includes a rectifier filter circuit, a switch voltage stabilization circuit, a voltage stabilization DC output circuit, a control circuit and an overvoltage protection circuit.

[0018] The main chip is connected with a power supply module, a reset circuit, a crystal oscillator, a memory, an alarm and a debugging serial port.

[0019] The metering module includes a power metering chip and a Hall current sensor. The power metering chip is used to measure the power supply characteristics of the total input AC power supply. The Hall current sensor is used to convert the current signal of the shunt load into a voltage signal that can be received by the main chip.

[0020] The output drive module includes an isolation drive chip and an electromagnetic relay, wherein the isolation drive chip is used to provide sixteen isolation drive channels, and the output current of the isolation drive chip can reach 500mA; the electromagnetic relay is used to control the cutting off and recovery of the power output circuit, and its contact load current can reach up to 30A at most.

[0021] The communication module includes an Ethernet controller and a high-speed CAN transceiver.

[0022] The detection module includes a main control chip, a power detection module, a power conversion module, an RFID radio frequency identification module and a relay module; The RFID radio frequency identification module includes a reader / writer module, an electronic tag module, a data processing and transmission module and an RF energy collection module. The detection module also includes an LED dimming module and a communication module. The electronic tag module includes a passive tag and an active tag. Common coupling methods in RFID systems include inductive coupling (Inductive Coupling) and backscatter coupling (Backscatter Coupling). Inductive coupling is suitable for short-range radio frequency identification working at low and high frequencies; while backscatter coupling is suitable for long-range radio frequency identification working at ultra-high and ultra-high frequencies. The RFID radio frequency module realizes automatic identification and data transmission through the radio signal between the reader / writer and the electronic tag. It is widely used in logistics management, production control, identity authentication and other fields. It has the advantages of non-contact, good environmental resistance, and reusability. It uses STM32F103RCT6 as the main control chip, and is composed of a power detection module, a power conversion module, a Wi-Fi communication module, an RFID radio frequency identification module, a relay module, and an LED dimming module. The system is as follows Figure 1 As shown in the figure, the system has an external power detection module, a 3V regulated power supply provides stable power, an RFID radio frequency identification module is used for identity recognition, a relay module controls the on and off of the 220V power supply, and an LED dimming module controls the switch and brightness adjustment of the lighting. At the same time, a mobile phone app for the power management system is designed, which realizes data communication and command control between the microcontroller and the client through the Wi-Fi communication module.

[0023] An intelligent power management device for voltage stabilization protection, comprising a power management device body 1, a device base 3, a U-shaped seat 2, a mounting shaft 15 and a connecting structure 4, wherein the power management device body 1 is provided with a protective shell on the outside, the mounting shaft 15 is installed on the U-shaped seat 2, a mounting block is assembled at the bottom end of the protective shell, and the mounting block is installed on the mounting shaft 15 through the connecting structure 4, and the connecting structure 4 comprises a connecting portion 401, an L-shaped groove 402, a groove 403, a limit block 404 and a spring 405; The connecting portion 401 is installed on the mounting block, the L-shaped groove 402 is provided on the connecting portion 401, the mounting shaft 15 is placed in the L-shaped groove 402, the groove 403 is provided on the L-shaped groove 402, the limit block 404 is placed in the groove 403, the spring 405 is installed between the groove 403 and the limit block 404, and the limit block 404 is pressed tightly against the L-shaped groove 402; In this technical solution, the L-shaped groove 402 on the connecting portion 401 of the mounting seat rotates along the mounting axis 3 on the U-shaped seat 2, so that the mounting seat can be adjusted at an angle at will, and the other end connection of the mounting seat can fix the mounting seat. A protective shell can be installed on the outside of the power management device body 1 for protection and installed on the equipment base 3, and the equipment base 3 is a prefabricated part.

[0024] In some technical solutions, reference Figure 1-5 A cylinder 10 is installed in the spring 405, a clamping block 11 is installed on the cylinder 10, a clamping slot 12 is opened on the groove 403, and the clamping block 11 is clamped in the clamping slot 12; The block 11 is provided with an annular groove 13, and an elastic member 14 is installed in the groove 12. The number of the elastic members 14 is not less than six, and the elastic members 14 are distributed in the groove 12 in an annular shape and at equal intervals. The elastic members 14 are clamped in the annular groove 13; The L-shaped groove 402 is provided with a slot 9, and the limit block 404 is inserted into the slot 9; An equipment base 3 is installed below the U-shaped seat 2; A bolt 7 is installed at the bottom end of the U-shaped seat 2, and a threaded hole 8 is opened on the equipment base 3, and the bolt 7 is sleeved in the threaded hole 8; In this technical solution, the limit block 404 is moved upward in the groove 403 to tilt the limit block 404 so that the limit block 404 can be removed and the spring 405 can be removed for replacement.

[0025] In some technical solutions, reference Figure 1-5 The protective shell includes a rubber shell a201 and a rubber shell b202, and the rubber shell a201 and the rubber shell b202 are connected by a clamping structure, and the clamping structure includes a buckle 6 installed on the side wall of the rubber shell b202 and a clamping cavity 5 opened on the side wall of the rubber shell a201, and the buckle 6 is clamped in the clamping cavity 5. The top of the clamping cavity 5 is provided with a bullet cavity 17, and a filling piece 16 is installed inside the bullet cavity 17; In this technical solution, the rubber shell a201 and the rubber shell b202 are relatively sleeved on the outside of the power management device body 1 to protect it, and the mounting base is installed at the bottom end of the rubber shell a201 and can be connected to the device base 3.

[0026] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An intelligent power management system for voltage stabilization protection, comprising a power management system installed in a power management device body (1), the power management system comprising a main chip, a metering module connected to the main chip, a voltage stabilization protection module, an output drive module, a communication module and a detection module, the main chip measures the power characteristics of the intelligent power management device through the metering module; The main chip controls the opening and closing of the shunt load of the intelligent power management device through the output drive module; The main chip is connected to the host computer through the communication module, or is connected to the device with the same communication interface as the communication module, so as to realize remote control of the branch loads of the intelligent power management device, configuration of power pre-alarm parameters, configuration of network parameters and reporting of working status data of each branch load; the main chip builds a web server through the Ethernet controller of the communication module, is connected to the host computer through the network interface, accesses or modifies network parameters and power pre-alarm parameter configuration, including overvoltage parameters, undervoltage parameters and overcurrent parameters, and communicates with external CAN devices through high-speed CAN transceivers to realize data reporting and remote control; The voltage stabilization protection module includes a rectifier filter circuit, a switch voltage stabilization circuit, a voltage stabilization DC output circuit, a control circuit and an overvoltage protection circuit; The detection module includes a main control chip, a power detection module, a power conversion module, an RFID radio frequency identification module and a relay module; The RFID radio frequency identification module includes a reader / writer module, an electronic tag module, a data processing and transmission module and an RF energy collection module.

2. The intelligent power management system for voltage stabilization protection according to claim 1, characterized in that: The main chip is connected to a power module, a reset circuit, a crystal oscillator, a memory, an alarm and a debugging serial port; The detection module also includes an LED dimming module and a communication module.

3. The intelligent power management system for voltage stabilization protection according to claim 1, characterized in that: The metering module includes a power metering chip and a Hall current sensor. The power metering chip is used to measure the power supply characteristics of the total input AC power supply. The Hall current sensor is used to convert the current signal of the shunt load into a voltage signal that can be received by the main chip. The electronic tag module includes a passive tag and an active tag.

4. The intelligent power management system for voltage stabilization protection according to claim 1, characterized in that: The output drive module includes an isolation drive chip and an electromagnetic relay, wherein the isolation drive chip is used to provide sixteen isolation drive channels, and the output current of the isolation drive chip can reach 500mA; the electromagnetic relay is used to control the cutting off and recovery of the power output circuit, and its contact load current can reach up to 30A at most. The receiving antenna of the data processing and transmission module receives the carrier signal sent by the tag, extracts the target identification code after processing by the reader and writer, and sends it to the computer system for related data processing.

5. The intelligent power management system for voltage stabilization protection according to claim 1, characterized in that: The communication module includes an Ethernet controller and a high-speed CAN transceiver. The RFID system can also perform anti-collision, security and error detection / correction functions as needed to ensure the accuracy and security of the data.

6. An intelligent power management device for voltage stabilization protection, characterized in that: The power management device comprises a main body (1), a device base (3), a U-shaped seat (2), a mounting shaft (15) and a connecting structure (4), wherein the main body (1) of the power management device is sleeved with a protective shell, the mounting shaft (15) is mounted on the U-shaped seat (2), a mounting block is mounted on the bottom end of the protective shell, and the mounting block is mounted on the mounting shaft (15) through the connecting structure (4), the connecting structure (4) comprises a connecting portion (401), an L-shaped groove (402), a groove (403), a limit block (404) and a spring (405), and the main body (1) of the power management device is sleeved with a protective shell; The connecting portion (401) is mounted on the mounting block, the L-shaped groove (402) is formed on the connecting portion (401), the mounting shaft (15) is placed in the L-shaped groove (402), the groove (403) is formed on the L-shaped groove (402), the limiting block (404) is placed in the groove (403), the spring (405) is mounted between the groove (403) and the limiting block (404), and the limiting block (404) is tightly pressed against the L-shaped groove (402).

7. The intelligent power management device for voltage stabilization protection according to claim 6, characterized in that: A cylinder (10) is installed in the spring (405), a clamping block (11) is installed on the cylinder (10), a clamping slot (12) is provided on the groove (403), the clamping block (11) is clamped in the clamping slot (12), an annular groove (13) is provided on the clamping block (11), an elastic member (14) is installed in the clamping slot (12), the number of the elastic members (14) is not less than six, the elastic members (14) are distributed in the clamping slot (12) in an annular shape and at equal intervals, and the elastic member (14) is clamped in the annular groove (13).

8. The intelligent power management device for voltage stabilization protection according to claim 6, characterized in that: The L-shaped groove (402) is provided with a slot (9), the limit block (404) is inserted into the slot (9), a bolt (7) is installed at the bottom end of the U-shaped seat (2), a threaded hole (8) is provided on the equipment base (3), and the bolt (7) is sleeved in the threaded hole (8).

9. The intelligent power management device for voltage stabilization protection according to claim 6, characterized in that: The protective shell comprises a rubber shell a (201) and a rubber shell b (202), wherein the rubber shell a (201) and the rubber shell b (202) are connected via a snap-fit ​​structure, wherein the snap-fit ​​structure comprises a snap buckle (6) mounted on a side wall of the rubber shell b (202) and a snap-fit ​​cavity (5) provided on a side wall of the rubber shell a (201), wherein the snap buckle (6) is snap-fitted into the snap-fit ​​cavity (5), wherein a spring cavity (17) is provided at the top end of the snap-fit ​​cavity (5), and a filling piece (16) is installed inside the spring cavity (17).

Images