CN214960201U - Remote sectional timing switch device with electric energy metering display - Google Patents
Remote sectional timing switch device with electric energy metering display Download PDFInfo
- Publication number
- CN214960201U CN214960201U CN202121287976.3U CN202121287976U CN214960201U CN 214960201 U CN214960201 U CN 214960201U CN 202121287976 U CN202121287976 U CN 202121287976U CN 214960201 U CN214960201 U CN 214960201U
- Authority
- CN
- China
- Prior art keywords
- module
- energy metering
- electric energy
- power supply
- remote
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004891 communication Methods 0.000 claims abstract description 51
- 238000005259 measurement Methods 0.000 claims abstract description 8
- 230000011218 segmentation Effects 0.000 claims abstract description 8
- 238000005070 sampling Methods 0.000 claims description 17
- 230000000087 stabilizing effect Effects 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 8
- 239000004973 liquid crystal related substance Substances 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 239000013078 crystal Substances 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- 230000001629 suppression Effects 0.000 claims description 3
- 230000001052 transient effect Effects 0.000 claims description 3
- 230000006870 function Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a long-range segmentation time switch device of electrified ability measurement display to solve current time switch control distance closely, the not audio-visual technical problem of data display. The utility model discloses an electric energy metering module, remote communication module, bluetooth module, RTC real time clock module, LCD display module, low pressure power module, switching power supply module, relay switch module, wherein: the switching power supply module is connected with the low-voltage power supply module; the low-voltage power supply module is correspondingly connected with the electric energy metering module, the remote communication module, the Bluetooth module, the RTC real-time clock module and the LCD display module; the output end of the Bluetooth module is correspondingly connected with the LCD display module and the relay switch module; the electric energy metering module is correspondingly connected with the Bluetooth module through the remote communication module. The beneficial effects of the utility model reside in that: the remote control, the electric energy metering and the segmented timing functions are realized in a centralized manner.
Description
Technical Field
The utility model relates to a LED control circuit technical field, concretely relates to electrified ability measurement shows long-range segmentation time switch device.
Background
Along with popularization of intelligent mobile devices such as mobile phones and rapid development of internet of things technology, mobile phone mobile terminal control technology is more and more favored by people, and meanwhile, the fields of advertisement signboard lighting and LED lamp lightening need to be turned on and off in specific time periods. The time switch on the current market does not have the segmentation time switch function of intelligent mobile devices such as accessible cell-phone setting operation to and look up of data such as load operating voltage, electric current, power, the technique in the past need insert multiple independent controlgear, and system's comprehensive efficiency is on the low side, the wiring is complicated, the adjustment is inconvenient, and material and cost of labor are high.
The prior advertisement lighting and brightening timing switch products mainly comprise the following components:
and (3) common timing switch: the single fixed time switch control can be switched on and off once in one day, the setting in a segmented and timed mode cannot be realized, the wireless control cannot be realized, the data in the aspect of electric energy metering cannot be checked, and the time adjustment needs to be manually adjusted and cannot be set and operated through intelligent mobile equipment such as a mobile phone.
Bluetooth communication segmentation timer: the switch can be timed, but the parameters in the aspect of load electric energy metering can not be checked in real time, and the problem of setting missing due to coverage under the condition that a plurality of devices are close in transmission distance can occur.
Disclosure of Invention
The utility model provides a long-range segmentation time switch device of electrified ability measurement demonstration to solve current time switch control distance near, data display is not directly perceived, and can not know in real time what voltage environment of user load work, electric current, power size power consumption technical problem how much.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the design one kind is taken the electric energy to measure and show long-range segmentation timing switch device, including electric energy measurement module, remote communication module, bluetooth module, RTC real-time clock module, LCD display module, low voltage power supply module, switching power supply module, relay switch module, wherein:
the input end of the switching power supply module is connected with 220V alternating current, and the output end of the switching power supply module is connected with the low-voltage power supply module; the low-voltage power supply module is correspondingly connected with the electric energy metering module, the remote communication module, the Bluetooth module, the RTC real-time clock module and the LCD display module;
the input end of the Bluetooth module is correspondingly connected with the RTC real-time clock module, the output end of the Bluetooth module is correspondingly connected with the LCD display module and the relay switch module, and the Bluetooth module is in communication connection with the remote communication module; the electric energy metering module is correspondingly connected with the Bluetooth module through the remote communication module.
Furthermore, the switching power supply module comprises a full-bridge rectifying unit, a filtering unit, a power management chip, a primary peak current detection unit, a secondary diode rectifying unit and a capacitor filtering output unit which are connected in sequence.
Further, the low-voltage power supply unit comprises a 3.8VDC-DC switching voltage stabilizing chip U501, a 3V linear voltage stabilizing chip U202 and a 5V voltage stabilizing chip U102.
Further, the bluetooth module includes bluetooth main control chip U201 and the corresponding external button, external crystal oscillator, transmitting antenna that connect, by Q401, 4G or 5G communication level converting circuit that Q402 constitutes.
Further, the remote communication module comprises an AIR724UG communication chip, and a D401 anti-static transient suppression chip is connected between the 9, 10, 11 and 12 pin connection ESIM cards of the communication chip.
Further, the RTC real-time clock module includes a clock chip PCF8563, an external crystal oscillator, and a backup memory battery power supply circuit.
Further, the relay switch module includes relay J101 and triode Q101, diode D104, surge absorption capacitor C100 and resistance R101 the output of bluetooth module pass through R204 connect in triode Q101 base, relay J101 coil one end is connected to triode Q101 collecting electrode, the other one end of relay J101 coil connect in switching power supply module, the coil both ends of relay J101 are connected with anti-peak absorption diode D104.
Further, the LCD display module comprises an HT1621 driving chip and a liquid crystal display screen which is correspondingly connected with the driving chip.
Further, the electric energy metering module comprises an electric energy metering chip U601, the input end of the electric energy metering chip U601 is connected with a current sampling resistor R601, a voltage sampling resistor R604 and a voltage sampling resistor R605, and the output end of the electric energy metering module is connected with the remote communication module through a photoelectric coupler.
Compared with the prior art, the utility model discloses a main beneficial technological effect lies in:
the utility model discloses integrated electric energy metering module, 4G communication module or 5G communication module, bluetooth module, RTC real time clock, LCD display element, switching power supply, low voltage power supply unit, the relay switch is in an organic whole, need not cable junction between them, but remote control device opens and closes, and can the voltage of real time monitoring load, electric current, electric energy parameters such as power, because the integration of system is on a device, thereby saved in the past the cable material between each discrete device has alleviateed intensity of labour and has practiced thrift the manual work, whole adult has been reduced, whole electric energy utilization efficiency has been improved, the wiring construction is simple, easy operation is easy to use, use widely does benefit to and reduces light pollution and green energy-conservation.
Drawings
Fig. 1 is a system structure diagram of the remote sectional timing switch device with electric energy metering display of the present invention.
Fig. 2 is a circuit diagram of a switching power supply with a remote sectional timing switch device for electric energy metering display according to the present invention.
Fig. 3 is a circuit diagram of a low-voltage power supply module with a remote sectional timing switch device for electric energy metering display according to the present invention.
Fig. 4 is a circuit diagram of the bluetooth control module with electric energy metering display remote section timing switch device of the present invention.
Fig. 5 is a circuit diagram of a remote communication module with an electric energy metering display remote sectional timing switch device according to the present invention.
Fig. 6 is a circuit diagram of the RTC real-time clock with remote sectional timing switch device for electric energy metering display according to the present invention.
Fig. 7 is a circuit diagram of a relay switch module with a remote sectional timing switch device for electric energy metering display according to the present invention.
Fig. 8 is a circuit diagram of an LCD display module with an electric energy metering display remote sectional timing switch device according to the present invention.
Fig. 9 is a circuit diagram of an electric energy metering module with an electric energy metering display remote sectional timing switch device according to the present invention.
Detailed Description
The following embodiments are only intended to illustrate the present invention in detail, and do not limit the scope of the present invention in any way.
Example 1: the utility model provides a long-range segmentation timing switch device of electrified ability measurement display, see figure 1, including switching power supply circuit, low pressure power supply unit, the electric energy measurement module, the LCD display element, bluetooth module, 4G or 5G communication module, the real-time clock, many major parts of relay switch unit constitute, switching power supply output two way voltage 5.5V and 12V, 5.5V supplies power for 5V electric energy measurement unit after the steady voltage, 12V supplies power for 4G communication master control through DC-DC step-down steady voltage output 3.8V, 12V supplies power for bluetooth module and RTC real-time clock and liquid crystal LCD display element through LDO-step-down power output 3V voltage, 12V supplies power for relay switch all the way in addition.
The switching power supply unit mainly provides 5.5V and 12V voltage to provide enough power for the low-voltage stabilizing unit, and comprises a full-bridge rectifying unit, a filtering unit, a power control chip, primary peak current detection, secondary diode rectification and a capacitor filtering output unit which are connected in sequence, wherein the full-bridge rectifying unit, the filtering unit, the power control chip, the primary peak current detection and the secondary diode rectification are connected in sequence. The 300V direct current voltage after the 220V alternating current is rectified by the D101 and filtered by the C101 is divided into two paths to reach pins 5, 6, 7 and 8 of the U101, the other path of the 300V direct current voltage is subjected to voltage reduction by the R100 and the R102 to supply power to a pin 4 of a power management IC of the U101, when the power supply voltage of the U101 reaches a starting voltage threshold value, the U101 starts to work, 2-pin output switch pulses pass through a current sampling resistor to a primary winding of a switch transformer, the primary voltage sampling is formed by connecting R104 and R111 in parallel and then connecting the R105 in series to form divided voltage sampling, a voltage sampling signal is sent to a 3-pin FB voltage stabilizing control circuit of the U101, the U101 controls the pulse width of a winding of the switch transformer according to the height of an FB pin to adjust the output voltage and keep the stability of the output voltage to realize voltage stabilizing control, a 1-pin peak current detection end of a power supply control chip is externally connected with the current sampling resistor R103, and two paths of output windings of a secondary side of the transformer output two paths of low voltages of 12V and 5.5V after two paths of rectification filtering. The 12V output is divided into three paths, one path supplies power to the U501 DC-DC voltage stabilizing circuit and outputs 3.8V to supply power to the 4G communication module, the other path supplies power to the LDO linear voltage stabilizing U202 and outputs 3V to supply power to the Bluetooth module, the real-time clock unit and the liquid crystal driving unit, the third path supplies power to the relay, and 5.5V voltage output by the switching power supply supplies power to the electric energy metering unit U601 after being output 5V through the U102 voltage stabilizing.
The low-voltage-stabilizing power supply unit is used for supplying power to a low-voltage circuit, 12V voltage output by a switching power supply is divided into two paths, one path of 12V power supply supplies power to 3 pins of a DC-DC switching voltage-stabilizing chip U501, the other path of 12V power supply outputs 3.8V power to supply power to a 4G communication module after 6 pins pass through an L501 inductor, the other path of 12V power supply supplies power to 2 pins of a low-voltage difference linear voltage-stabilizing chip U202 through D201, R201 supplies power to an LCD driver HT1621, an RTC clock circuit and a Bluetooth communication module after 3 pins output 3V power, 5.5V power supply of output voltage of a switching transformer supplies power to 3 pins of U102, and 5V power supply is output to the electric energy metering unit at 2 pins of U102.
The bluetooth control module is composed of a bluetooth main control chip U201, external keys, an external crystal oscillator, a transmitting antenna and a 4G or 5G communication level conversion circuit composed of Q401 and Q402, pins 14 and 15 of the bluetooth module U201 are connected with a real-time clock module through an I2C bus to exchange year, month and day time data, and operate according to read internally memorized time value and brightness value information and the obtained real-time data to output corresponding control voltage to control a switch composed of Q101 and a relay to perform switching action to control the lighting module to be on and off, the 4G or 5G communication module is connected to pins 9, 11 and 12 of the bluetooth chip through the level conversion circuit to perform electric energy metering parameter exchange and receive and send mobile phone control signals, pins 1 and 3 of the bluetooth module are communication ports with a liquid crystal drive module, display data are transmitted to a display driver through the ports to transmit the data to be displayed to an LCD display unit, the electric energy metering parameter is displayed on the liquid crystal display, the Bluetooth module is connected with a plurality of AD keys through a pin 10 of the U201, a user can control the device through a mobile phone or a key, a pin 16 of the Bluetooth module is a pin for controlling a switch of a DC-DC power supply module of the 4G module, the output of a 3.8V power supply module of the U501 for supplying power to the 4G module can be controlled, so that the 4G module is controlled to work and stop, a pin 13 of the Bluetooth module is a pin for controlling a relay switch, when the pin 13 outputs a high level, the relay attracts and closes a load to work, and when the pin 13 outputs a low level, the relay disconnects the load to stop working.
The remote communication module unit is shown in fig. 5, 4G or 5G communication can be selected, in this embodiment, 4G is taken as an example, pins 9, 10, 11, and 12 of the module are SIM communication interfaces connected to an ESIM card, the ESIM communication interface is connected to a D401 anti-static transient suppression chip, pins 59 and 60 of the 4G module are 3.8V power supply pins and 3.8V output of a DC-DC switching voltage stabilization chip U501, 1.8V voltage output by a 65 pin is responsible for providing bias power for level conversion, 34 and 46 pins are externally connected with a transceiver antenna for receiving and transmitting electromagnetic waves from space, a reset capacitor is externally connected to a pin 1 of the 4G communication module, IIC _ SDA and 32 pins IIC _ SCL communication lines are connected with a bluetooth chip, a real-time clock chip and the 4G module, year, month and day time data are read and stored by a bluetooth chip, and RXD2 of the 4G communication module is connected with an electric energy metering unit through a photocoupler and is used for communicating and transmitting electric energy parameters, the electric energy metering unit sends data parameters to the 4G communication module through the photoelectric coupler, meanwhile, the 4G communication module transmits data to the Bluetooth chip, the data is transmitted to the display unit to be displayed on the display screen after being decoded by the Bluetooth chip, the 4-pin TXD2 is connected with the Bluetooth chip through the level conversion circuit and communicates to transmit control instructions, and the 4G or 5G communication module part is mainly used for carrying out remote communication with the computer internet and mobile phone mobile terminal equipment; the 4G or 5G module sends the received control data and the received electric energy parameters to the Bluetooth module through serial communication and stores the control data and the electric energy parameters, and meanwhile, the 4G module sends some electric energy parameter data to mobile equipment such as a mobile phone through the 4G or 5G module.
The RTC real-time clock circuit is composed of an RTC clock chip PCF8563, an external crystal oscillator and a backup memory battery power supply circuit and is used for providing real-time data such as year, month, day, hour, minute, week and the like, the PCF8563 chip uses output voltage to supply power through 3.8V after a voltage stabilizing chip when power is on, the backup memory battery is used for ensuring that the clock runs continuously in a timing mode after power failure, pins 5 and 6 of the PCF8563 chip are an I2C bus, Bluetooth master control and a 4G or 5G module for data communication.
The relay switch unit is composed of a relay J101, a relay Q101, a relay D104, a relay R601, a relay R101 and a relay C100, wherein a pin of a Bluetooth communication main control IC 13 outputs a relay on-off control signal to a base electrode of a triode Q101 through a resistor R204, a collector electrode of the relay Q101 is connected with one end of a relay coil, the other end of the relay coil is connected with a 12V power supply, two ends of the relay coil are connected with an anti-peak absorption diode D104, when the pin 13 of the Bluetooth chip outputs a high-level starting signal, the Q101 is conducted, the relay coil is electrified, the contact of the pull-in switch is closed, the load is powered on to start working, when the pin 13 of the Bluetooth chip outputs a low level shutdown signal, the Q101 cuts off the relay to cut off the load and stop working, the relay switch is provided with a surge interference absorption circuit, the sudden wave peak absorption circuit formed by connecting the resistors R101 and C100 at the output end of the load can reduce the interference generated by the inductive load at the moment when the relay is closed and opened.
The LCD display unit is composed of an HT1621 driving chip and an LCD screen, a U202 outputs 3V power to a pin 20 of the HT1621, a Bluetooth module transmits display DATA to the HT1621 through three DATA lines of LCD _ DATA, LCD _ CLK and LCD _ CS, and the HT1621 drives the LCD to display the DATA on the LCD screen.
The electric energy metering unit is shown in fig. 9 and comprises an electric energy metering chip U601, a peripheral circuit sampling resistor and a voltage sampling part, one path of input alternating current 220V voltage passes through voltage division points of voltage division resistors R605 and R604 to be sampled at a pin U601-4, the other path of input alternating current 220V voltage is connected with a pin 5 GND of the U601 and is connected to an output end of the alternating current 220V through a R60110 milliohm current sampling resistor to a relay switch, one end of the sampling resistor R601 grounded passes through a pin R602 to a pin 2 of the U601, the other end of the R601 passes through a pin R603 to complete current sampling at the pin 3 of the U601, a pin 6 of the U601 drives a photoelectric coupler through a R609 to transmit electric energy metering parameters to a 4G module for data transceiving, and the 4G module is responsible for transmitting electric energy data parameters to a Bluetooth module and finally displaying on a liquid crystal display screen.
The remote sectional timing switch device with the electric energy metering display function is composed of a 4G or 5G communication module, a Bluetooth module, an RTC real-time clock, a switch power supply, a relay switch, a liquid crystal display module and an electric energy meter module which are combined together, so that connecting cables among the modules are saved, a control function is added, a plurality of 4G or 5G remote communication sectional timing switch power supplies with the electric energy display function can be controlled by a computer provided with an upper computer APP, a mobile phone or other mobile terminals, and the on-off control action which can be realized only by combining a plurality of devices can be completed, when the remote control is used for inconvenient field operation of high-altitude high-rise buildings and the like, the voltage, the current, the power, the electric energy parameters and the control on-off can be checked by the mobile phone or other mobile terminals in an office in a remote mode, the labor is saved, and the overall cost is reduced; the overall electric energy utilization efficiency is improved; the wiring construction is simplified; the mobile equipment is convenient to remotely set, a large amount of labor is saved, and the operation and the installation are easy; the control in different time periods is beneficial to reducing light pollution and green energy conservation.
While the present invention has been described in detail with reference to the drawings and the embodiments, those skilled in the art will understand that various changes and modifications can be made to the specific parameters in the embodiments without departing from the spirit of the present invention, or equivalent substitutions of related elements, circuit structures and materials can be made to form a plurality of specific embodiments, which are common variations of the present invention and will not be described in detail herein.
Claims (9)
1. The utility model provides a long-range segmentation timing switch device of electrified ability measurement display which characterized in that: including electric energy metering module, remote communication module, bluetooth module, RTC real-time clock module, LCD display module, low pressure power module, switching power supply module, relay switch module, wherein:
the input end of the switching power supply module is used for connecting 220V alternating current, and the output end of the switching power supply module is connected with the low-voltage power supply module; the low-voltage power supply module is correspondingly and electrically connected with the electric energy metering module, the remote communication module, the Bluetooth module, the RTC real-time clock module and the LCD display module;
the input end of the Bluetooth module is correspondingly connected with the RTC real-time clock module, the output end of the Bluetooth module is correspondingly and electrically connected with the LCD display module and the relay switch module, and the Bluetooth module is in communication connection with the remote communication module; the electric energy metering module is correspondingly connected with the Bluetooth module through the remote communication module.
2. The live energy metering display remote sectionalizing timing switch device of claim 1, wherein: the switching power supply module comprises a full-bridge rectifying unit, a filtering unit, a power management chip, a primary peak current detection unit, a secondary diode rectifying unit and a capacitor filtering output unit which are connected in sequence.
3. The live energy metering display remote sectionalizing timing switch device of claim 1, wherein: the low-voltage power supply unit comprises a 3.8VDC-DC switching voltage stabilizing chip U501, a 3V linear voltage stabilizing chip U202 and a 5V voltage stabilizing chip U102.
4. The live energy metering display remote sectionalizing timing switch device of claim 1, wherein: the Bluetooth module comprises a Bluetooth main control chip U201, an external key, an external crystal oscillator, a transmitting antenna and a 4G or 5G communication level conversion circuit consisting of Q401 and Q402, wherein the external key, the external crystal oscillator and the transmitting antenna are correspondingly connected.
5. The live energy metering display remote sectionalizing timing switch device of claim 1, wherein: the remote communication module comprises an AIR724UG communication chip, pins 9, 10, 11 and 12 of the remote communication module are connected with an ESIM card, and a D401 anti-static transient suppression chip is connected between the ESIM card and the ESIM card.
6. The live energy metering display remote sectionalizing timing switch device of claim 1, wherein: the RTC real-time clock module comprises a clock chip PCF8563, an external crystal oscillator and a backup memory battery power supply circuit.
7. The live energy metering display remote sectionalizing timing switch device of claim 1, wherein: the relay switch module comprises a relay J101, a triode Q101, a diode D104, a current sampling resistor R601, a surge absorption capacitor C100 and a resistor R101, wherein the output end of the Bluetooth module is connected with the base electrode of the triode Q101 through a R204, the collector electrode of the triode Q101 is connected with one end of a coil of the relay J101, the other end of the coil of the relay J101 is connected with the switching power supply module, and two ends of the coil of the relay J101 are connected with a reverse peak absorption diode D104.
8. The live energy metering display remote sectionalizing timing switch device of claim 1, wherein: the LCD display module comprises an HT1621 driving chip and a liquid crystal display screen which is electrically connected correspondingly.
9. The live energy metering display remote sectionalizing timing switch device of claim 1, wherein: the electric energy metering module comprises an electric energy metering chip U601, the input end of the electric energy metering module is connected with a current sampling resistor R601, a voltage sampling resistor R604 and a voltage sampling resistor R605, and the output end of the electric energy metering module is electrically connected with the remote communication module through a photoelectric coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121287976.3U CN214960201U (en) | 2021-06-09 | 2021-06-09 | Remote sectional timing switch device with electric energy metering display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121287976.3U CN214960201U (en) | 2021-06-09 | 2021-06-09 | Remote sectional timing switch device with electric energy metering display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214960201U true CN214960201U (en) | 2021-11-30 |
Family
ID=79052951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121287976.3U Active CN214960201U (en) | 2021-06-09 | 2021-06-09 | Remote sectional timing switch device with electric energy metering display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214960201U (en) |
-
2021
- 2021-06-09 CN CN202121287976.3U patent/CN214960201U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103167691B (en) | Light emitting diode (LED) driving power supply and dimming system | |
| CN104701583B (en) | Battery charging method based on USB interface, adapter, electric equipment and system | |
| CN203340336U (en) | LED driving power and light modulation system | |
| CN202149374U (en) | Portable multifunctional power supply and illuminator | |
| CN211656036U (en) | Direct current generator power supply system based on Internet of things | |
| CN214960201U (en) | Remote sectional timing switch device with electric energy metering display | |
| CN203708602U (en) | LED drive device controlled intelligently | |
| CN209343165U (en) | A kind of blue-tooth intelligence switch controller | |
| CN102185358A (en) | Simple and practical movable uninterruptible power supply | |
| CN103376785A (en) | Intelligent management and control system for electric devices based on wireless communications | |
| CN203596754U (en) | Isolated ac-dc converter | |
| CN213183071U (en) | Unit controller control circuit based on bluetooth | |
| CN205509153U (en) | Smart jack group control system based on thing networking | |
| CN214849400U (en) | Bluetooth segmentation timing power supply | |
| CN204009391U (en) | A kind of clock and watch with wireless charger | |
| CN203812065U (en) | Intelligent dormitory processing model based on single-chip microcomputer | |
| CN203274306U (en) | Solar water heater control system remotely controlled by Bluetooth through CPLD | |
| CN201927985U (en) | Remote wireless power off device | |
| CN215580535U (en) | Remote segmented timing power supply | |
| CN215581794U (en) | Remote dimming power supply | |
| CN205248878U (en) | Power supply circuit of power is provided for intelligent bracelet | |
| CN102968151B (en) | Power supply output control module and control method for linearly and automatically adjusting temperature and power | |
| CN204925192U (en) | Removable system of electric energy meter communication module | |
| CN217109946U (en) | Air conditioner control device | |
| CN220823448U (en) | Bluetooth automatic power control box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Remote sectional timing switch device for live energy measurement and display Effective date of registration: 20221114 Granted publication date: 20211130 Pledgee: Bank of China Limited by Share Ltd. Luohe branch Pledgor: Luohe Red, Yellow and Blue Electronic Technology Co.,Ltd. Registration number: Y2022980021968 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20211130 Pledgee: Bank of China Limited by Share Ltd. Luohe branch Pledgor: Luohe Red, Yellow and Blue Electronic Technology Co.,Ltd. Registration number: Y2022980021968 |