CN216981600U - Circuit applied to demand response intelligent terminal equipment - Google Patents
Circuit applied to demand response intelligent terminal equipment Download PDFInfo
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- CN216981600U CN216981600U CN202220518544.7U CN202220518544U CN216981600U CN 216981600 U CN216981600 U CN 216981600U CN 202220518544 U CN202220518544 U CN 202220518544U CN 216981600 U CN216981600 U CN 216981600U
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Abstract
A circuit applied to demand response intelligent terminal equipment is provided with a core board, a power supply management module and a super capacitor module; the power management module is electrically connected with the core board and comprises an external power supply circuit, a lithium battery power supply circuit and a USB power supply circuit; the external power supply circuit is used for preferentially supplying power to the intelligent terminal equipment, the lithium battery power supply circuit is used for standby power supply to the intelligent terminal equipment when an external power supply is removed, and the USB power supply circuit is used for emergency power supply to the intelligent terminal equipment; the super capacitor module is electrically connected with the power management module and is used for delaying the outage of the intelligent terminal device after the outage of an external power supply circuit. The utility model has simple connection structure, has an ultra-stable power supply guarantee system and can adapt to complex and changeable application scenes; due to the design of the super capacitor module, the system can be maintained to normally operate after the external power supply is powered off, information is ensured not to be lost, and data transmission stability can be ensured.
Description
Technical Field
The utility model belongs to the technical field of intelligent terminal equipment, and particularly relates to a circuit applied to demand response intelligent terminal equipment.
Background
At present, an information technology and an automatic control technology are rapidly developed, an intelligent terminal device needs to integrate functions of data acquisition, communication, calculation and the like, application scenes in the field of demand response are increasingly complex, and various types of device systems need to be widely connected.
At the present stage, the development of intelligent terminal equipment tends to be miniaturized, the requirements on the circuit design of a core board are higher and higher, the existing intelligent terminal equipment does not have the capability of supporting multi-system participation demand response application, the connection among modules of a circuit design part is complex, and no partition planning is provided. Meanwhile, the structural design of uploading emergency power-on data during power failure is not considered. A few intelligent terminal devices can support power-off transmission in a power supply mode of a self-contained battery module, but the problems of high power consumption and low reliability exist. How to realize stable, reliable and efficient data transmission of the intelligent terminal equipment is a matter of practical significance.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a circuit applied to a demand response intelligent terminal device, and solves the problems that the intelligent terminal device is unstable in data transmission, poor in reliability, low in efficiency and incapable of adapting to complex scenes.
In order to achieve the above purpose, the utility model provides the following technical scheme: a circuit applied to demand response intelligent terminal equipment comprises a core board, a power management module and a super capacitor module; the power management module is electrically connected with the core board and comprises an external power supply circuit, a lithium battery power supply circuit and a USB power supply circuit;
the external power supply circuit is used for preferentially supplying power to the intelligent terminal equipment, the lithium battery power supply circuit is used for standby power supply to the intelligent terminal equipment when the external power supply is removed, and the USB power supply circuit is used for emergency power supply to the intelligent terminal equipment;
the super capacitor module is electrically connected with the power management module and is used for delaying the power failure of the intelligent terminal equipment after the power supply circuit of the external power supply is powered off.
As a preferred circuit scheme applied to the demand response intelligent terminal device, the external power supply circuit is input through a P23 terminal or a P22 terminal by an adapter, and supplies power to the core board after passing through a self-recovery fuse, an anti-reverse diode and an overvoltage protection circuit.
As a preferred circuit scheme applied to the demand response intelligent terminal device, the lithium battery power supply circuit comprises a chip PW4054, a 4.7UF capacitor, a 330R resistor, an Rprog resistor and an LED lamp;
chip PW4054 has VCC foot, GND foot, BAT foot, PROG foot, CHRG foot, and the VCC foot connects outside VIN, and through 4.7UF electric capacity ground connection between VCC foot and the outside VIN, BAT foot and GND foot connect the positive negative pole of lithium cell respectively, and the PROG foot connects the Rprog resistance, and the CHRG foot connects the LED lamp.
As a preferred circuit scheme applied to the demand response intelligent terminal device, the lithium battery power supply circuit comprises a chip MT3608, a 1K resistor, 4 10UF capacitors, a 2.2uH inductor, an SR54 diode, a 1M resistor, and a 130K resistor;
the MT3608 chip is provided with an MT3608-1 pin, an MT3608-2 pin, an MT3608-3 pin, an MT3608-4 pin, an MT3608-5 pin and an MT3608-6 pin;
the MT3608-1 pin is connected with a 2.2uH inductor and an SR54 diode, the MT3608-2 pin is grounded, the MT3608-3 pin is connected with a 1M resistor and a 130K resistor, the MT3608-4 pin is connected with a 1K resistor, the MT3608-5 pin is connected with two 10uF capacitors, and the MT3608-6 pin is suspended.
As a preferred circuit scheme applied to the demand response intelligent terminal device, the USB power supply circuit directly supplies power to the core board through a backplane MICRO _ USB interface.
As a preferred circuit scheme applied to the demand response intelligent terminal device, the super capacitor module comprises a super capacitor, a first relay, a power detection module, a voltage detection module, a second relay and a voltage stabilization module;
the charging end of the super capacitor is electrically connected with the power detection module through the first relay, and the discharging end of the super capacitor is electrically connected with the second relay through the voltage detection module; the second relay with voltage stabilizing module electricity is connected, first relay, the second relay, power detection module with voltage stabilizing module all with nuclear core plate electricity is connected.
The circuit optimization scheme applied to the demand response intelligent terminal device further comprises a Wi-Fi module and a 4G module, wherein the Wi-Fi module and the 4G module are electrically connected with the core board, and the Wi-Fi module and the 4G module are used for wireless data communication.
As the circuit optimization scheme applied to the demand response intelligent terminal equipment, the intelligent terminal equipment further comprises an LED indicating lamp, wherein the LED indicating lamp is electrically connected with the core board and is used for power supply indication.
The circuit optimization scheme applied to the demand response intelligent terminal device further comprises an ESAM module, wherein the ESAM module is electrically connected with the core board, and the ESAM module is used for safely storing data of the intelligent terminal device.
As the preferred scheme of the circuit applied to the demand response intelligent terminal equipment, the demand response intelligent terminal equipment further comprises an RS485 interface and an RJ45 interface, wherein the RS485 interface is electrically connected with the UART serial port of the core board through an isolation module, and the RJ45 interface is electrically connected with the core board through a PHY port physical layer chip.
The utility model has the following advantages: the device is provided with a core board, a power supply management module and a super capacitor module; the power management module is electrically connected with the core board and comprises an external power supply circuit, a lithium battery power supply circuit and a USB power supply circuit; the external power supply circuit is used for preferentially supplying power to the intelligent terminal equipment, the lithium battery power supply circuit is used for standby power supply to the intelligent terminal equipment when the external power supply is removed, and the USB power supply circuit is used for emergency power supply to the intelligent terminal equipment; the super capacitor module is electrically connected with the power management module and is used for delaying the power failure of the intelligent terminal equipment after the power supply circuit of the external power supply is powered off. The utility model has simple connection structure, has an ultra-stable power supply guarantee system, fully considers the electromagnetic interference from the aspects of region division and chip isolation, has rich interfaces and strong expansibility, and can adapt to complicated and changeable application scenes; due to the design of the super capacitor module, the normal operation of the system can be maintained for at least 15 seconds after the external power supply is powered off, so that the information is ensured not to be lost, and the stability of data transmission can be ensured; the 4G module is designed in a plug-in mode, and the data transmission requirement of a complex working condition environment is met.
Drawings
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. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.
Fig. 1 is a schematic diagram of a circuit architecture applied to a demand response intelligent terminal device provided in an embodiment of the present invention;
fig. 2 is a schematic diagram of an external power supply circuit in the power management module according to the embodiment of the present invention;
fig. 3 is a schematic diagram of a power supply circuit of a lithium battery in the power management module according to the embodiment of the present invention;
FIG. 4 is a schematic diagram of a USB power supply circuit in the power management module according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a super capacitor module provided in an embodiment of the present invention.
In the figure, 1, a core board; 2. a power management module; 3. a super capacitor module; 4. an external power supply circuit; 5. a lithium battery power supply circuit; 6. a USB power supply circuit; 7. a super capacitor; 8. a first relay; 9. a power detection module; 10. a voltage detection module; 11. a second relay; 12. a voltage stabilization module; 13. a Wi-Fi module; 14. a 4G module; 15. an LED indicator light; 16. an ESAM module; 17. an RS485 interface; 18. and an RJ45 interface.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a circuit applied to a demand response intelligent terminal device, including a core board 1, a power management module 2, and a super capacitor module 3; the power management module 2 is electrically connected with the core board 1, and the power management module 2 comprises an external power supply circuit 4, a lithium battery power supply circuit 5 and a USB power supply circuit 6;
the external power supply circuit 4 is used for preferentially supplying power to the intelligent terminal equipment, the lithium battery power supply circuit 5 is used for standby power supply to the intelligent terminal equipment when the external power supply is removed, and the USB power supply circuit 6 is used for emergency power supply to the intelligent terminal equipment;
In this embodiment, through the design of subregion planning, the design of super capacitor module 3, external power supply circuit 4, the multimode power supply structural design of lithium cell supply circuit 5 and USB supply circuit 6, can support external power source, three kinds of power supply modes of lithium cell and USB, improved data acquisition under special operating mode greatly, the communication, the stability of calculation, the electromagnetic interference of equipment during operation has also been reduced, the work efficiency of equipment is further improved, can use in all kinds of collection equipment that require higher to data transmission stability.
In this embodiment, the external power supply circuit 4 is input through the P23 terminal or the P22 terminal by using an adapter, and supplies power to the core board 1 through the self-recovery fuse, the reverse connection prevention diode, and the overvoltage protection circuit.
Referring to fig. 2, in the external power supply circuit 4, a 5V adapter is used to be input through a P23 terminal or a P22 terminal, and power is preferentially supplied to the core board 1 after passing through a self-recovery fuse, an anti-reverse diode and an overvoltage protection circuit. VCC _3V3 output by the PMIC of the core board 1 controls the power-on of the baseboard VCC5V and supplies power to the baseboard 3.3V network, so that the core board 1 is ensured to be powered on first and then to be powered on, and the CUP of the core board 1 is prevented from being damaged by latch-up.
In the external power supply circuit 4, one end of an SR54 diode D6 is connected with resistors R130-R132, the other end of a diode D6 is grounded, one end of a diode D7 is connected with the resistors R130-R132, the other end of a diode D7 is grounded, a triode Q7-1 is connected with a resistor R135, a triode Q7-2 is connected with the resistor R130-R132, a triode Q7-3 is connected with a resistor R143, one end of an LED8 is grounded, one end of an LED8 is connected with the R143, 1, 2 and 3 ends of an FDS4435 chip U18 are connected with the resistors R130-R132 and capacitors C98 and U18-4 respectively connected with a resistor R140, 5, 6, 7 and 8 ends of a U18 are connected with a capacitor C102, a capacitor C99, a capacitor C100, a resistor R138, a resistor R136 and an FDS4435 chip U9, 1, 2 and 3 ends, a capacitor C102, a capacitor C99 and an FDS4435, the other end of the chip U82869 are connected with the other ends of the capacitors C102 and C100 and the other ends of the resistors R138 and the resistor R867 and the triode C867, the resistor R867 and the resistor R867 of the FDS4435 chip R867, the transistor Q8-2 is grounded, and the transistor Q8-3 is connected with the FDS4435 chip U19-4.
Referring to fig. 3, in this embodiment, the lithium battery power supply circuit 5 includes a chip PW4054, a 4.7UF capacitor, a 330R resistor, an Rprog resistor, and an LED lamp;
chip PW4054 has VCC foot, GND foot, BAT foot, PROG foot, CHRG foot, and the VCC foot connects outside VIN, and through 4.7UF electric capacity ground connection between VCC foot and the outside VIN, BAT foot and GND foot connect the positive negative pole of lithium cell respectively, and the PROG foot connects the Rprog resistance, and the CHRG foot connects the LED lamp.
When external power supply circuit 4 normally supplies power, charge to the lithium cell when guaranteeing the entire system power supply, the lithium cell can be exported stably at any time when guaranteeing external power supply goes wrong, PW4054 chip is selected for use to the part of charging of lithium battery supply circuit 5, cooperate the peripheral circuit to accomplish the charging process of reserve lithium cell, PW4054 chip is from taking the thermal limitation, the undervoltage is forced and the automatic cycle function of charging, adopt the undercurrent power supply to the lithium cell when lithium cell voltage is less than 2.9V, when lithium cell voltage is greater than 2.9V, adopt the constant current mode to charge, guarantee the safety and the stability of charging process.
Referring to fig. 3, the discharging portion of the lithium battery power supply circuit 5 includes a chip MT3608, a 1K resistor, 4 capacitors 10UF, a 2.2uH inductor, an SR54 diode, a 1M resistor, and a 130K resistor;
the MT3608 chip is provided with an MT3608-1 pin, an MT3608-2 pin, an MT3608-3 pin, an MT3608-4 pin, an MT3608-5 pin and an MT3608-6 pin;
the MT3608-1 pin is connected with a 2.2uH inductor and an SR54 diode, the MT3608-2 pin is grounded, the MT3608-3 pin is connected with a 1M resistor and a 130K resistor, the MT3608-4 pin is connected with a 1K resistor, the MT3608-5 pin is connected with two 10uF capacitors, and the MT3608-6 pin is suspended.
Referring to fig. 3, in the discharging part of the lithium battery, pin 1 of P21 is connected with the positive pole of the battery, pin 2 is connected with the negative pole of the battery, and pin 3 is connected with the temperature-sensitive resistor of the battery. The lithium battery directly supplies power to the core board 1, and the core board 1PMIC outputs VCC _3V3 to supply power to the bottom board 3.3V network. The power supply voltage of the lithium battery is 3.5-4.2V, if larger current is needed, the power supply network of the lithium battery can be directly boosted to 5V to supply power for the peripheral of the bottom plate, the MT3608 chip and the peripheral circuit of the bottom plate can be welded, VCC-3V 3 is used as the enable of the chip, and the maximum output current is 1A.
In this embodiment, the USB power supply circuit 6 directly supplies power to the core board 1 through the MICRO _ USB interface of the backplane.
Referring to fig. 4, specifically, a user may directly supply power to the core board 1 through the MICRO _ USB interface of the backplane with a supply voltage of 5V and a current of 900 mA. Since the USB _ VBUS pin of the PMIC has limited power capability, it is not recommended to supply it as a main power source.
In the USB power supply circuit 6, an AO3415 field effect transistor, a resistor R21, a resistor R177, a resistor R180, a resistor R181, a triode S8050, a resistor R182 and a capacitor C123-C125 are connected with a MICRO _ USB-1 pin, a resistor R186 is connected with a MICRO _ USB-2 pin, a resistor R187 is connected with a MICRO _ USB-3 pin, a resistor R183 and a resistor R188 are connected with a MICRO _ USB-4 pin, and ESD RClamp0502B is connected with a MICRO _ USB-2 pin and a MICRO _ USB-3 pin.
Referring to fig. 5, in the present embodiment, the super capacitor module 3 includes a super capacitor 7, a first relay 8, a power detection module 9, a voltage detection module 10, a second relay 11, and a voltage stabilization module 12; the charging end of the super capacitor 7 is electrically connected with the power detection module 9 through a first relay 8, and the discharging end of the super capacitor 7 is electrically connected with a second relay 11 through a voltage detection module 10; the second relay 11 is electrically connected with the voltage stabilizing module 12, and the first relay 8, the second relay 11, the power detection module 9 and the voltage stabilizing module 12 are electrically connected with the core board 1.
When an external power supply supplies power normally, the power detection module 9 is used for detecting power data required by charging the super capacitor 7 and feeding the data back to the core board 1 in time. Therefore, the charging process of the super capacitor 7 is controlled, when the voltage detection module 10 detects that the power supply of the external power supply is abnormal, information is fed back to the core board 1 in time, the super capacitor 7 is further controlled to perform discharging action, and therefore energy can be supplied to the system within a certain time.
In this embodiment, the core board further includes a Wi-Fi module 13 and a 4G module 14, both the Wi-Fi module 13 and the 4G module 14 are electrically connected to the core board 1, and the Wi-Fi module 13 and the 4G module 14 are used for performing wireless data communication. The LED core board is characterized by further comprising an LED indicating lamp 15, the LED indicating lamp 15 is electrically connected with the core board 1, and the LED indicating lamp 15 is used for power supply indication. The intelligent terminal equipment further comprises an ESAM module 16, the ESAM module 16 is electrically connected with the core board 1, and the ESAM module 16 is used for data safety storage of the intelligent terminal equipment. The novel USB interface circuit also comprises an RS485 interface 17 and an RJ45 interface 18, wherein the RS485 interface 17 is electrically connected with a UART serial port of the core board 1 through an isolation module, and the RJ45 interface 18 is electrically connected with the core board 1 through a PHY port physical layer chip.
It should be noted that the super capacitor 7, the first relay 8, the power detection module 9, the voltage detection module 10, the second relay 11, the voltage stabilization module 12, the Wi-Fi module 13, the 4G module 14, the LED indicator light 15, the ESAM module 16, the RS485 interface 17, the RJ45 interface 18, and the isolation module themselves all belong to the prior art.
In summary, the utility model is provided with a core board 1, a power management module 2 and a super capacitor module 3; the power management module 2 is electrically connected with the core board 1, and the power management module 2 comprises an external power supply circuit 4, a lithium battery power supply circuit 5 and a USB power supply circuit 6; the external power supply circuit 4 is used for preferentially supplying power to the intelligent terminal equipment, the lithium battery power supply circuit 5 is used for standby power supply to the intelligent terminal equipment when an external power supply is removed, and the USB power supply circuit 6 is used for emergency power supply to the intelligent terminal equipment; super capacitor module 3 and power management module 2 electricity are connected, and super capacitor module 3 is used for the external power supply circuit 4 back to carry out the time delay outage to intelligent terminal equipment after cutting off the power supply. In the external power supply circuit 4, a 5V adapter is adopted to be input through a P23 terminal or a P22 terminal, and power is preferentially supplied to the core board 1 after passing through a self-recovery fuse, an anti-reverse diode and an overvoltage protection circuit. VCC _3V3 output by the PMIC of core board 1 controls the power up of backplane VCC5V and provides power to the backplane 3.3V network. The core board 1 is ensured to be powered on after the bottom board is powered on, so that the CUP of the core board 1 is prevented from being damaged due to latch-up. When external power supply circuit 4 normally supplies power, charge to the lithium cell when guaranteeing the entire system power supply, the lithium cell can output stably at any time when guaranteeing external power supply goes wrong, PW4054 chip is selected for use to the part of charging of lithium cell power supply circuit 5, the charging process of reserve lithium cell is accomplished to cooperation peripheral circuit, PW4054 chip is from taking the thermal constraint, the undervoltage is forced and the automatic cycle function of charging, adopt the undercurrent power supply to the lithium cell when lithium cell voltage is less than 2.9V, when lithium cell voltage is greater than 2.9V, adopt the constant current mode to charge, guarantee the safety and the stability of charging process. Meanwhile, a USB power supply mode is reserved, and an emergency common point mode can be adopted to provide power for the system under special conditions. When an external power supply supplies power normally, the power detection module 9 is used for detecting power data required by charging the super capacitor 7 and feeding the data back to the core board 1 in time. Therefore, the charging process of the super capacitor 7 is controlled, when the voltage detection module 10 detects that the power supply of the external power supply is abnormal, information is fed back to the core board 1 in time, the super capacitor 7 is further controlled to perform discharging action, and therefore energy can be supplied to the system within a certain time. The utility model has simple connection structure, has an ultra-stable power supply guarantee system, fully considers the electromagnetic interference from the aspects of region division and chip isolation, has rich interfaces and strong expansibility, and can adapt to complicated and changeable application scenes; due to the design of the super capacitor module, the normal operation of the system can be maintained for at least 15 seconds after the external power supply is powered off, so that the information is ensured not to be lost, and the stability of data transmission can be ensured; the 4G module is designed in a plug-in mode, and the data transmission requirement of a complex working condition environment is met.
Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, it is intended that all such modifications and alterations be included within the scope of this invention as defined in the appended claims.
Claims (10)
1. A circuit applied to demand response intelligent terminal equipment is characterized by comprising a core board (1), a power management module (2) and a super capacitor module (3); the power management module (2) is electrically connected with the core board (1), and the power management module (2) comprises an external power supply circuit (4), a lithium battery power supply circuit (5) and a USB power supply circuit (6);
the external power supply circuit (4) is used for preferentially supplying power to the intelligent terminal equipment, the lithium battery power supply circuit (5) is used for supplying standby power to the intelligent terminal equipment when the external power supply is removed, and the USB power supply circuit (6) is used for supplying emergency power to the intelligent terminal equipment;
the super capacitor module (3) is electrically connected with the power management module (2), and the super capacitor module (3) is used for delaying the power failure of the intelligent terminal equipment after the power failure of the external power supply circuit (4).
2. The circuit applied to the demand response intelligent terminal equipment as claimed in claim 1, wherein the external power supply circuit (4) is input through a P23 terminal or a P22 terminal by an adapter, and supplies power to the core board (1) after passing through a self-recovery fuse, an anti-reverse diode and an overvoltage protection circuit.
3. The circuit applied to the demand response intelligent terminal equipment is characterized in that the lithium battery power supply circuit (5) comprises a chip PW4054, a 4.7UF capacitor, a 330R resistor, an Rprog resistor and an LED lamp;
chip PW4054 has VCC foot, GND foot, BAT foot, PROG foot, CHRG foot, and the VCC foot connects outside VIN, through 4.7UF electric capacity ground connection between VCC foot and the outside VIN, BAT foot and GND foot connect the positive negative pole of lithium cell respectively, the PROG foot connects the Rprog resistance, the CHRG foot connects the LED lamp.
4. The circuit applied to the demand response intelligent terminal device is characterized in that the lithium battery power supply circuit (5) comprises a chip MT3608, a 1K resistor, 4 10UF capacitors, a 2.2uH inductor, an SR54 diode, a 1M resistor and a 130K resistor;
the MT3608 chip is provided with an MT3608-1 pin, an MT3608-2 pin, an MT3608-3 pin, an MT3608-4 pin, an MT3608-5 pin and an MT3608-6 pin;
the MT3608-1 pin is connected with a 2.2uH inductor and an SR54 diode, the MT3608-2 pin is grounded, the MT3608-3 pin is connected with a 1M resistor and a 130K resistor, the MT3608-4 pin is connected with a 1K resistor, the MT3608-5 pin is connected with two 10uF capacitors, and the MT3608-6 pin is suspended.
5. The circuit applied to the demand response intelligent terminal device is characterized in that the USB power supply circuit (6) directly supplies power to the core board (1) through a motherboard MICRO _ USB interface.
6. The circuit applied to the demand response intelligent terminal equipment is characterized in that the super capacitor module (3) comprises a super capacitor (7), a first relay (8), a power detection module (9), a voltage detection module (10), a second relay (11) and a voltage stabilizing module (12);
the charging end of the super capacitor (7) is electrically connected with the power detection module (9) through the first relay (8), and the discharging end of the super capacitor (7) is electrically connected with the second relay (11) through the voltage detection module (10); the second relay (11) with voltage stabilizing module (12) electricity is connected, first relay (8), second relay (11), power detection module (9) with voltage stabilizing module (12) all with nuclear core plate (1) electricity is connected.
7. The circuit applied to the demand response intelligent terminal device is characterized by further comprising a Wi-Fi module (13) and a 4G module (14), wherein the Wi-Fi module (13) and the 4G module (14) are electrically connected with the core board (1), and the Wi-Fi module (13) and the 4G module (14) are used for wireless data communication.
8. The circuit applied to the demand response intelligent terminal device is characterized by further comprising an LED indicator lamp (15), wherein the LED indicator lamp (15) is electrically connected with the core board (1), and the LED indicator lamp (15) is used for indicating power supply.
9. The circuit applied to the demand response intelligent terminal device is characterized by further comprising an ESAM module (16), wherein the ESAM module (16) is electrically connected with the core board (1), and the ESAM module (16) is used for data security storage of the intelligent terminal device.
10. The circuit applied to the demand response intelligent terminal device as claimed in claim 1, further comprising an RS485 interface (17) and an RJ45 interface (18), wherein the RS485 interface (17) is electrically connected to the UART serial port of the core board (1) through an isolation module, and the RJ45 interface (18) is electrically connected to the core board (1) through a PHY port physical layer chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220518544.7U CN216981600U (en) | 2022-03-09 | 2022-03-09 | Circuit applied to demand response intelligent terminal equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220518544.7U CN216981600U (en) | 2022-03-09 | 2022-03-09 | Circuit applied to demand response intelligent terminal equipment |
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| CN216981600U true CN216981600U (en) | 2022-07-15 |
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| CN202220518544.7U Active CN216981600U (en) | 2022-03-09 | 2022-03-09 | Circuit applied to demand response intelligent terminal equipment |
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