CN103675442B - Household green power utilization indicating device and an achieving method - Google Patents

Abstract

The invention discloses a household green electricity consumption indicator device and a realization method. The invention consists of two parts: a real-time current pulse signal acquisition device and a real-time electricity consumption indicating device. The real-time power consumption indicator adopts the shape of a green leaf, and is composed of an infrared sensor switch, a power consumption warning indicator light, a DSP touch screen module, a radio signal indication and receiving module, and a power supply. The clamp-type current transformer in the real-time current pulse signal acquisition device is clamped at the end of the existing incoming line, which can realize real-time power consumption indication without any modification to the existing circuit. Clamp-type current transformer, voltage doubler rectifier module, super capacitor, voltage comparator, oscillator, power amplifier, radio pulse transmission module transmits pulse trains of different frequencies through the radio pulse transmission module, and the warning indication of power consumption will increase with the frequency The light gradually turns from green to red, intuitively reminding the user that the power consumption is close to the set threshold at that time, and the structure is simple.

Description

Household green electricity consumption indicator device and implementation method

technical field

The invention relates to a household green electricity consumption indicating device and a realization method thereof, in particular to an intelligent household green electricity consumption indicating device using a wireless pulse transmitting module, which belongs to the field of intelligent household green electricity consumption indicating.

Background technique

With the development of smart grid technology and more and more industry experts and research institutions paying close attention to and investing heavily in smart grid research, building smart grids, enhancing the reliability of power grid operation, and improving the quality of power supply services have been adopted by many countries and regions. Put it on the agenda or include it in a development plan. Therefore, building a set of intelligent household electricity control terminals is the inevitable way for the development of smart grid. The existing power collection terminal has basic data collection, processing, storage and control functions, collects and stores power consumption information through smart sockets, and at the same time, the terminal interacts with the upper-level power application system to realize power consumption control for the home, but the installation The way is complicated, and the existing circuit needs to be modified.

Patent: Intelligent household electricity comprehensive monitoring system, application number 201220343563, which discloses an intelligent household electricity comprehensive monitoring system, including a controller for controlling multiple household appliances installed in the monitored household, An indoor environmental status monitoring device that monitors the current indoor environmental conditions of the family in real time, a power consumption monitoring device that monitors the current month's power consumption of the monitored family in real time, and when it is detected that the current month's power consumption is close to the set alarm threshold The alarm prompt unit for automatic alarm prompt, the parameter setting unit for setting the alarm threshold of the alarm prompt unit according to the electricity consumption corresponding to each step segment in the ladder electricity price, and the clock circuit and wireless communication respectively connected with the controller The module communicates bidirectionally with the remote controller through the wireless communication module. Patent: A flexible and interactive intelligent power service terminal device, application number 201220222535.X, discloses a flexible and interactive intelligent power service terminal device, including a touch screen module, a power consumption information collection unit, and network communication; the power consumption information The acquisition unit includes 485 communication a\b ports and power carrier communication; the network port for network communication is an Ethernet port; the power consumption information acquisition unit is connected to the meter through 485 signal lines or power lines, and the network communication is connected to the power application system through network cables. Patent: A household electricity and gas safety and energy-saving monitoring terminal, application number 201210294264.3, which discloses a household electricity and gas safety and energy-saving monitoring terminal, whose liquefied gas sensor and carbon monoxide sensor detect harmful gases in the room and can automatically control The exhaust fan works to discharge harmful gas. If harmful gas is still detected after exhausting for a period of time, it will alarm through sound, light and mobile phone text messages; it can control the air conditioner and socket connected to the air conditioner and socket through keyboard input, infrared remote control or mobile phone text messages. The work of the relay controls its power supply; by detecting the magnetic control switch of the door and window, the power supply of the air conditioner is automatically turned off when the door or window is opened, so as to achieve the effect of energy saving; the LCD liquid crystal displays the status of each switch, relay and sensor, which is convenient for observation and operation; You can remotely query the status of sensors, switches, and relays through mobile phone text messages, understand the situation at home, and remotely control the work of relays.

The above patents are all intelligent monitoring systems for electricity consumption, but none of them describe how to collect electricity consumption.

Patent: Lighting lamp power consumption collection and wireless control device, application number 201210461957.7, which discloses a lighting lamp power consumption collection device with a specific access method.

Contents of the invention

The invention aims at the problems existing in the prior art of the intelligent electricity consumption monitoring system, and proposes a household green electricity consumption indicating device and a realization method. The main purpose is to use the power consumption collection and indication device of the present invention to realize real-time power consumption indication without any modification to the existing circuit.

The purpose of the present invention is achieved like this:

The invention consists of a real-time current pulse signal acquisition device and a real-time power consumption indicating device.

The real-time current pulse signal acquisition device is composed of a clamp-type current transformer, a voltage doubler rectification module, a super capacitor, a voltage comparator, an oscillator, a power amplifier, and a radio pulse transmission module. The clamp-type current transformer clamp is placed at the end of the existing incoming line to collect current information in real time. The voltage doubler rectifier module and the supercapacitor supply power to the voltage comparator, oscillator, power amplifier and radio pulse transmission module. Oscillators, power amplifiers, and radio pulse transmitting modules transmit pulse numbers of different frequencies according to the magnitude of the current.

The real-time power consumption indicator adopts the shape of a green leaf, and is composed of an infrared sensor switch, a power consumption warning indicator light, a DSP touch screen module, a radio signal indication and receiving module, and a power supply. The infrared sensor switch is an indicator device that is only displayed when people watch it, which can effectively save power consumption. The power consumption warning indicator is used to display the power consumption in real time. As the power consumption increases, the indicator light will gradually turn from green to red, intuitively reminding the user that the power consumption is close to the set threshold. The DSP touch screen module can store power consumption data and realize human-computer interaction, receive current and voltage collection data, store them after logic operations, and display the current day's power consumption curve in real time, and can query this month's power consumption curve and historical power consumption curve , electricity price for this time period, current electricity consumption suggestion. The radio signal indication and receiving module is used to receive the radio pulse transmission signal and send it to the touch screen module. The power supply part has two modes: mobile battery and plug.

Due to the use of the above-mentioned technical solutions, the present invention has the following advantages and effects compared with the prior art:

One effect of the present invention is that in the present invention, the clamp-type current transformer is clamped at the end of the existing incoming line, so that real-time power consumption indication can be realized without any modification to the existing circuit.

An effect of the present invention is that in the present invention, the magnitude of the current on the incoming line determines the charging speed of the supercapacitor, and the charging speed of the supercapacitor determines the frequency at which the radio pulse transmitting module transmits pulse trains: when the incoming line clamp-type current transformer When the current is large, the charging speed of the supercapacitor is fast, and the frequency of the pulse train transmitted by the radio pulse transmission module is high; The frequency is low.

An effect of the present invention is that in the present invention, the radio pulse transmitting module transmits pulse trains of different frequencies to indicate the real-time power consumption situation, and the structure is simple.

One effect of the present invention is that in the present invention, the power consumption indicating device adopts an infrared sensor switch, and the device is only displayed when people watch it, which can effectively save power.

Description of drawings

Fig. 1 is a schematic diagram of a real-time power consumption indicating device of a household green power consumption indicating device in the present invention;

Fig. 2 is a schematic diagram of a real-time current pulse signal acquisition device of a household green electricity indicating device in the present invention;

Fig. 3 is a graph showing the relationship between the incoming current i and the radio pulse transmission frequency f in the present invention.

detailed description

Example:

The household green electricity consumption indicating device includes two parts: a real-time current pulse signal acquisition device and a real-time electricity consumption indicating device. It is composed of a device 104, an oscillator 105, a power amplifier 106, and a radio pulse transmitting module 107. The real-time power consumption indicating device is composed of an infrared sensor switch 201 , a power consumption warning indicator light 202 , a DSP touch screen module 203 , a radio signal indication and receiving module 204 , and a power supply 205 .

The clamp-type current transformer 101 is clamped at the end of the existing incoming line to collect the incoming current in real time. Charge the supercapacitor 103 through the voltage doubler rectifier module 102, and when the voltage reaches the specified voltage through the voltage comparator 104, the oscillator 105 generates a set of oscillating pulse signals, which are amplified by the power amplifier 106 and transmitted to the radio pulse transmitting module 107 for transmission to the radio Signal indicating and receiving module 204 . At this time, the supercapacitor 103 is discharged, and the voltage is lower than the voltage setting value of the voltage comparator 104, and continues to charge the supercapacitor 103 through the voltage doubler rectifier module 102. When the voltage reaches the voltage setting value of the voltage comparator 104, the oscillator 105 continues to generate a A group of oscillating pulse signals are amplified by the power amplifier 106 and transmitted to the radio pulse transmitting module 107 for transmission. In this way, when the current of the household wire clamp type current transformer is large, that is, when the power consumption of the user is high, the charging speed of the supercapacitor 103 is fast, and the frequency of the radio pulse transmitting module 107 transmitting pulse trains is high. When the device current is small, that is, when the power consumption of the user is low, the frequency of the radio pulse transmitting module 107 transmitting bursts is low.

The radio signal indicating and receiving module 204 displays whether the wireless transmission signal is normal and receives the pulse train sent by the radio pulse transmitting module 107 and sends the pulse train to the DSP touch screen module 203 for calculation and storage. The touch screen module 203 identifies and stores the transmission frequency of the pulse train within 1 minute, and then calculates and stores the current and power consumption data, so as to realize human-computer interaction, data collection, and real-time display of the power consumption curve of the day. Power curve, historical power consumption curve, electricity price in this period, current power consumption suggestion. On the power consumption warning indicator light 202, the indicator light gradually changes from green to red as the frequency increases, intuitively reminding the user that the power consumption is close to the set threshold at that time.

The power consumption indicating device adopts an infrared induction switch 201, so that the device is only displayed when people watch it, which can effectively save power. The power supply 205 part is two modes of mobile battery and plug.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (3)

1. A household green electricity consumption indicating device is characterized in that it consists of two parts, a real-time current pulse signal acquisition device and a real-time electricity consumption indicating device, wherein, The real-time current pulse signal acquisition device includes a clamp-type current transformer (101), a voltage doubler rectification module (102), a supercapacitor (103), a voltage comparator (104), an oscillator (105), a power amplifier (106), a radio The pulse transmitting module (107); the clamp-type current transformer (101) is clamped on the existing incoming line end of the household, and is used for collecting the incoming current in real time, and charges the supercapacitor (103) through the voltage doubler rectification module (102), After the voltage comparator (104) when the voltage reaches the specified voltage, the oscillator (105) generates a group of oscillating pulse signals, which are amplified by the power amplifier (106) and passed to the radio pulse transmitting module (107); The real-time power consumption indication device includes an infrared sensor switch (201), a power consumption warning indicator light (202), a DSP touch screen module (203), a radio signal indication and receiving module (204), and a power supply (205); the real-time power consumption indication device adopts The infrared sensor switch (201), the device is only displayed when people watch it; the touch screen module (203) is used to identify and store the transmission frequency of the pulse train within 1 minute, and then calculate and store the current and power consumption data, so as to realize Human-computer interaction, data collection, real-time display of the electricity consumption curve of the day, query the electricity consumption curve of this month, the historical electricity consumption curve, the electricity price of this period, and the current electricity consumption suggestion; The radio signal indicating and receiving module (204) is connected with the radio pulse transmitting module (107) through radio waves. 2. A household green power consumption indicator device according to claim 1, characterized in that the power consumption warning indicator light (202) gradually changes from green to red as the frequency increases, reminding the user that the power consumption is close to the set value at that time. threshold level. 3. A method for realizing household green electricity consumption indication, characterized in that, implementing the household green electricity consumption indication device according to one of claims 1-2 to realize the electricity consumption indication comprises the following steps: Step 1: The clamp-type current transformer (101) is clamped on the existing incoming line terminal to collect the incoming current in real time; Step 2: charging the supercapacitor (103) through the voltage doubler rectification module (102) through the current collected in step 1; Step 3: After the supercapacitor (103) is charged, after the voltage comparator (104), when the voltage reaches the specified voltage, the oscillator (105) generates a set of oscillating pulse signals, which are amplified by the power amplifier (106) and transmitted to radio pulses Transmitting module (107), transmits to radio signal indication and receiving module (204) through radio pulse transmitting module (107), and radio signal indication and receiving module transmits to DSP touch screen module (203) after receiving pulse string and carries out calculation, storage and Show, this process supercapacitor (103) discharges; Step 4: After the supercapacitor (103) is discharged, when its voltage is lower than the voltage setting value of the voltage comparator (104), the oscillator (105) no longer generates an oscillating pulse signal, and the current collected in step 1 continues to pass through the multiplier The voltage rectifier module (102) charges the supercapacitor (103), thereby repeating steps 2 and 3, so that the magnitude of the current on the incoming line determines the charging speed of the supercapacitor (103), and the charging speed of the supercapacitor (103) determines the radio The pulse transmission module (107) transmits the frequency of the pulse train.