CN103682850A - Metering socket and control method thereof - Google Patents

Abstract

The invention discloses a metering socket and a control method thereof, relating to a socket. The metering socket includes: power line, power input end, output jack, power supply switch, metering module and current sampling device; wherein, the two ends of the power line are respectively connected with the power input end and the output jack; the power line is also connected to the The voltage input terminals of the measurement module are connected; the current sampling device is arranged on the power line, and the sampling output terminal of the current sampling device is connected with the current input terminal of the measurement module. The power supply switch is disconnected when no electrical equipment is inserted into the output jack, so that the metering module cannot be connected to the power line to work, so that the metering module does not work when the electrical equipment is not inserted, saving power consume.

Description

Metering socket and its control method

technical field

The invention relates to a socket, in particular to a metering socket and a control method thereof.

Background technique

With the improvement of residents' living standards, more and more electrical equipment has entered ordinary households, making residents' electricity consumption increase year by year, and residents are more and more concerned about their own electricity consumption, such as the power consumption of various electrical equipment How much is it, why is it used so much, is there something wrong with some electrical equipment, and so on. The power socket is one of the commonly used equipment in residents' lives, and is widely used in various electrical equipment, such as air conditioners, refrigerators, televisions, computers or microwave ovens, to provide power for user equipment. A metering socket, which can measure and display the power consumption of its connected electrical equipment, helps residents understand the power consumption of various electrical equipment in their homes, and residents can use the power consumption displayed by the metering socket To adjust the use of electrical equipment, in order to achieve a reasonable and economical use of electricity.

However, in specific applications, the metering socket starts to run after installation and consumes a certain amount of power. This will cause the electrical equipment to be plugged into the socket, and the metering socket itself will generate unnecessary power consumption, while an ordinary metering socket itself The power consumption of the meter is equivalent to that of an ordinary civilian single-phase electronic energy meter. If multiple (such as 10) metering sockets are installed in a family, then the unnecessary power consumption generated by the multiple metering sockets themselves is not to be ignored, it will be detrimental to power saving.

Contents of the invention

In order to solve the problems in the prior art, an embodiment of the present invention provides a metering socket and a control method thereof. Described technical scheme is as follows:

On the one hand, the present invention provides a metering socket, which is packaged in an insulating housing and used to supply power to electrical equipment. The metering socket includes: a power line, a power input terminal, an output jack, a power supply switch, a metering module and Current sampling device;

The two ends of the power line are respectively connected with the power input end and the output jack, and the power input end is used for connecting an AC power supply, so that there is an alternating current on the power line, and the output jack is used for To be connected to the plug of the electrical equipment, so that the electrical equipment can be connected to the power line to work;

The power supply line is also connected to the voltage input terminal of the metering module through the power supply switch. When no electrical equipment is inserted into the output jack, the power supply switch is in the off state by default, so that the metering module The module cannot be connected to the power line to work, and when the output jack is inserted into an electrical device, the power supply switch is closed, so that the metering module is connected to the power line to work;

The current sampling device is arranged on the power supply line, and the sampling output terminal of the current sampling device is connected to the current input terminal of the metering module, and the current sampling device is used to monitor the current flowing through the power supply line. Sampling is performed, and the current sampling is output to the metering module, so that the metering module calculates the power consumed on the power line according to the received current sampling.

The current sampling device is set on the power line between the power supply switch and the output jack, or the current sampling device is set on the power line between the power supply input terminal and the power supply switch;

When the current sampling device is arranged on the power line between the power supply switch and the output jack, the current sampling device is used to monitor the electrical equipment connected to the output jack on the power line sampling the current, and outputting the current sampling to the metering module, correspondingly, the metering module is used to calculate the power consumed by the electrical equipment on the power line according to the received current sampling;

When the current sampling device is arranged on the power line between the power supply input end and the power supply switch, the current sampling device is used to measure the metering module and the output jack on the power line Sampling the current of the connected electrical equipment, and outputting the current sampling to the metering module, correspondingly, the metering module is used to measure the metering module and the user on the power line Calculate the power consumed by electrical equipment.

The metering socket also includes a control module, the control module is connected in series on the power line between the current sampling device and the output jack, the control module is used to trigger the The electric device connected to the output jack performs power supply operation or power off operation.

On the other hand, the present invention also provides a metering socket, which is packaged in an insulating shell and used to supply power to electrical equipment. The metering socket includes: a power line, a power input terminal, a power supply switch, a metering module and an output socket. hole;

The power supply input terminal, the power supply switch, the metering module and the output jack are sequentially connected in series on the power supply line;

The power supply input terminal is used to connect the AC power supply so that the AC power can pass through the power line, and the output jack is used to connect with the plug of the electrical equipment, when no electrical equipment is inserted into the output jack , the power supply switch is in the disconnected state by default, so that the metering module cannot be connected to the power line to work; The metering module is connected to the power line to work, the metering module is used to sample the current flowing on the power line, and calculate the power consumed on the power line according to the current sampling.

The metering module includes a metering unit and a current sampling unit; wherein, the voltage input end of the metering unit is connected to the power switch, the voltage output end of the metering unit is connected to the output jack, and the current sampling unit The unit is set on the power line between the metering unit and the power switch, or the current sampling unit is set on the power line between the metering unit and the output jack, and the current sampling unit The sampling output end of the meter is connected with the current input end of the metering unit.

When the current sampling unit is arranged on the power supply line between the metering unit and the power supply switch, the current sampling unit is used to measure the current flowing on the power supply line to the electrical equipment connected to the output jack. Sampling the current, and outputting the current sampling to the metering unit, correspondingly, the metering unit is used to calculate the power consumed by the electric device on the power line according to the received current sample;

When the current sampling unit is arranged on the power line between the metering unit and the output jack, the current sampling unit is used to monitor the flow from the power line to the metering unit and the output jack Sampling the current of the connected electrical equipment, and outputting the current sampling to the metering unit. Calculate the power consumed by electrical equipment.

The metering socket also includes a control module, the control module is connected in series on the power line between the metering module and the output jack, and the control module is used to trigger the operation of the The electrical equipment connected to the above-mentioned output jack performs the power supply operation or the power off operation.

Furthermore, the present invention also provides a method for controlling the metering socket described above, the method comprising:

When an electrical device is inserted into the output slot, the power supply switch is closed, and the metering module is connected to the power line to work, the metering module acquires current sampling on the power line;

The metering module determines whether to enter the standby state according to the acquired current sampling.

The acquisition of the current sampling on the power line by the metering module includes:

The metering module receives the current sampling on the power line sent by the current sampling device; or

The current sampling unit in the metering module samples the current on the power supply line to obtain the current sampling on the power supply line.

The metering module determining whether to enter the standby state according to the obtained current sampling includes:

When the acquired current sample is less than a predetermined value, the metering module enters a standby state, and stops calculating the power consumption on the power line;

When the acquired current sampling value is not less than a predetermined value, the metering module receives the current sampling sent by the current sampling device, and calculates the power consumed on the power line according to the received current sampling.

The metering module is also used to sample the voltage of the power line;

Correspondingly, the metering module determining whether to enter the standby state according to the obtained current sampling includes:

The metering socket calculates the power consumed on the power line according to the sampled voltage sample and the obtained current sample;

When the calculated power is less than a predetermined value, the metering module enters a standby state, and stops calculating the power consumed on the power line;

When the calculated current sampling value is not less than a predetermined value, the metering module receives the current sampling sent by the current sampling device, and calculates the power consumed on the power line according to the received current sampling.

The method also includes:

When the metering module enters the standby state, the metering module obtains the current sampling on the power supply line again when the predetermined wake-up time slot arrives, and determines whether to maintain the standby state according to the obtained current sampling.

The beneficial effect brought by the technical solution provided by the embodiment of the present invention is: the power supply switch is closed when the useful electrical equipment is inserted into the output jack, so that the metering module can be connected to the power line to work, and the power supply switch is in the output jack The realization of the technical solution that the metering module cannot be connected to the power line to work is disconnected when the electric device is not plugged in, so that the metering module does not work when the electric device is not plugged in, saving power consumption.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

Fig. 1 is a schematic diagram of the system structure of a metering socket provided by a specific embodiment of the present invention;

Fig. 2 is a schematic diagram of the system structure of another metering socket provided by a specific embodiment of the present invention;

Fig. 3 is a schematic diagram of the physical structure of a metering socket provided by a specific embodiment of the present invention;

Fig. 4 is a schematic diagram of the physical structure of a metering socket provided by a specific embodiment of the present invention when an electrical device is inserted;

Fig. 5 is a schematic diagram of the physical structure of another metering socket provided by a specific embodiment of the present invention;

Fig. 6 is a schematic diagram of the physical structure of another metering socket provided by a specific embodiment of the present invention when an electrical device is inserted;

Fig. 7 is a schematic diagram of the system structure of a metering socket provided by a specific embodiment of the present invention;

Fig. 8 is a schematic diagram of the system structure of another metering socket provided by a specific embodiment of the present invention;

Fig. 9 is a schematic diagram of the system structure of a metering socket provided by a specific embodiment of the present invention;

Fig. 10 is a schematic diagram of the system structure of a metering socket provided by a specific embodiment of the present invention;

Fig. 11 is a schematic structural diagram of a metering socket system provided by a specific embodiment of the present invention;

Fig. 12 is a schematic diagram of the physical structure of a metering socket provided by a specific embodiment of the present invention;

Fig. 13 is a schematic diagram of the physical structure of a metering socket provided by a specific embodiment of the present invention when an electrical device is inserted;

Fig. 14 is a schematic diagram of the physical structure of another metering socket provided by a specific embodiment of the present invention;

Fig. 15 is a schematic diagram of the physical structure of another metering socket provided by a specific embodiment of the present invention when an electrical device is inserted;

Fig. 16 is a schematic structural diagram of a metering socket system provided by a specific embodiment of the present invention;

Fig. 17 is a schematic flowchart of a method for controlling a metering socket provided by a specific embodiment of the present invention.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

Referring to Fig. 1 or Fig. 2, as an optional embodiment, an embodiment of the present invention provides a metering socket, which is packaged in an insulating housing and used to supply power to electrical equipment. Specifically, the metering socket The metering socket includes: a power line 100 , a power input terminal 101 , an output jack 102 , a power supply switch 103 , a metering module 104 and a current sampling device 105 .

Specifically, both ends of the power supply line 100 are respectively connected to the power input terminal 101 and the output jack 102. In addition, the power supply line 100 can also be connected to the voltage input terminal of the metering module 104 through the power supply switch 103. In the embodiment of the present invention, The current sampling device 105 is arranged on the power supply line 100, specifically referring to Fig. 1, the current sampling device 105 may be provided on the power supply line 100 between the power supply switch 103 and the output jack 102, specifically referring to Fig. 2 , in specific implementation, The current sampling device 105 can also be set on the L line of the power supply line between the power input terminal 101 and the power supply switch 103 , and the sampling output terminal of the current sampling device 105 is connected to the current input terminal of the metering module 104 .

In the embodiment of the present invention, the power input terminal 101 can be specifically used to connect to an AC power supply. When the power input terminal 101 is connected to the AC power supply, there will be AC power passing through the power supply line 100. At this time, the power supply line 100 can be used to insert the AC power supply The electrical equipment of the metering socket supplies power, and at the same time, the power line 100 can also supply power to the metering module 104 connected thereto.

The output jack 102 is used to connect with the plug of the electrical equipment, so as to use the electrical equipment to access the power line 100 for work; here, it can be known from FIG. 1 or FIG. , the electrical equipment is connected to the power line 100, the power line 100 supplies power to the electrical equipment, and the electrical equipment starts to work.

The power supply switch 103 is used to control the power supply of the metering module 104, and whether the power supply switch 103 is closed or not is controlled by the output jack 102; when no electrical equipment is inserted into the output jack 102, the power supply switch 103 is in the off state by default , at this time, the metering module 104 cannot be connected to the power line 100, and the power line 100 cannot supply power to the metering module 104, so the metering module 104 cannot work; when a useful electrical device is inserted into the output jack 102, the power supply switch 103 is triggered Closed, at this time, the metering module 104 is connected to the power line 100, the power line 100 supplies power to the metering module 104, and the metering module 104 starts to work.

In the embodiment of the present invention, the power supply switch 103 is closed when the useful electrical equipment is inserted in the output jack 102, so that the metering module 104 can be connected to the power line 100 to work, and the power supply switch 103 is not powered in the output jack 102. The realization of the technical solution that the metering module 104 cannot be connected to the power line 100 to work is disconnected when the device is plugged in, so that the metering module 104 does not work when the electric device is not plugged in, saving power consumption.

The current sampling device 105 is arranged on the power line 100, samples the current flowing on the power line 100, and outputs the current sampling to the metering module 104. Specifically, the current sampling device 105 can be a mutual inductance or series current An induction coil (such as a manganin sheet), the current induction coil can be set on the power line, when the power line 100 has an alternating current passing through, the current induction coil can sample the current flowing on the power line 100; the metering module 104 It is used to receive the current sampling input by the current sampling device 105, calculate the power consumption on the power line where the metering socket is located according to the received current sampling, and display the calculated power to the user.

In the embodiment of the present invention, when the power supply input terminal 101 is connected to the AC power, the flow direction of the AC power on the power supply line 100 is: from the power supply input terminal 101 to the output jack 102, to supply power for the electrical equipment inserted into the output jack 102, Or/and the power supply output terminal 101 flows to the metering module 104 through the power supply switch 103 to supply power to the metering module 104 . Specifically, it can be known from FIG. 1 that when the current sampling device 105 is arranged on the power line 100 between the power supply switch 103 and the output jack 102, the current sampling device 105 is used to connect the current on the power line 100 to the output jack 102. The current consumed by the electrical equipment is sampled, and the current sampling is output to the metering module 104. At this time, the metering module 104 calculates the power consumed by the electrical equipment on the power line 100 according to the received current sampling; specifically, it is shown in FIG. 2 It can be known that when the current sampling device 105 is installed on the power line 100 between the power input terminal 101 and the power supply switch 103, the current sampling device 105 can control the power consumption connected to the metering module 104 and the output jack 102 on the power line 100. The current of the device is sampled, and the current sample is output to the metering module 104. At this time, the metering module 104 calculates the power consumed by the metering module 104 and the electric device on the power line 100 according to the received current sample. In this way, the user Then you can clearly understand all the electricity consumed on the line where the metering socket is located, so that you can truly control the electricity consumption of the family.

In the embodiment of the present invention, the power supply line 100 can specifically be composed of N wire and L wire; When the metering socket described in the example is a fixed socket, the access terminal point of the N line and the L line is the power input terminal 101 of the metering socket; the output jack 102 can be constructed of conductive material; the power switch 103 includes Elastic switch K1 and elastic switch K2.

Based on this, the embodiment of the present invention provides a schematic diagram of the physical structure of a metering socket corresponding to the metering socket shown in Figure 1, specifically referring to Figure 3, the N line and the L line in the metering socket are respectively connected to the output jack; in addition , the N line is connected to the metering module 103 through the elastic switch K1, and the L line is connected to the metering module 104 through the elastic switch K2. In the default state, the elastic switch K1 and the elastic switch K2 are in the pop-up (that is, disconnected) state. At this time, The metering module 104 cannot connect the N line and the L line, so it cannot operate; the current sampling device 105 is arranged on the L line between the elastic switch K2 and the output jack 102, and the sampling output terminal of the sampling device 105 is connected to the metering module 104. connected to the current input.

FIG. 4 is a schematic diagram of the physical structure of the metering socket shown in FIG. 3 when the electrical equipment is inserted. When the input plug of the electrical equipment is inserted into the output jack 102, the electrical equipment is connected to the N line and the L line, and the L line The alternating current will enter the electrical equipment to supply power for the electrical equipment. At the same time, the input plug of the electrical equipment will squeeze the contact strips on the elastic switches K1 and K2, so that the elastic switches K1 and K2 are closed. At this time, the metering The module will be connected to the N line and the L line, and the alternating current on the L line enters the metering module 104 to supply power for the metering module 104, and the metering module 104 starts to work. At the same time, the current sampling device 105 arranged on the L line between the elastic switch K2 and the output jack 102 samples the current flowing to the electrical equipment, and outputs the current sampling to the metering module 104, so that the metering module 104 receives The current sampling is used to calculate the power consumed by the electrical equipment.

Fig. 5 is a schematic diagram of the physical structure of a metering socket corresponding to the metering socket shown in Fig. 2 provided by an embodiment of the present invention. The difference between the metering socket described in this schematic diagram and the metering socket described in Fig. 3 is that: The current sampling device 105 in the metering socket shown is set on the L line between the power input terminal 101 and the elastic switch K2, and the others are the same as the metering socket shown in FIG. 4 , and will not be repeated here.

Fig. 6 is a schematic diagram of the physical structure of the metering socket shown in Fig. 5 when the electric device is inserted. When the electric device is inserted into the metering socket shown in Fig. 5, the L The current sampling device 105 on the line samples the current flowing to the electrical equipment and the metering module 104, and outputs the current sampling to the metering module 104, so that the metering module 104 can measure the electricity consumed by the metering module of the electrical equipment according to the received current sampling. power calculation.

Further, referring to FIG. 7 or FIG. 8, the metering socket shown in FIG. 1 or FIG. On the line, it is used to trigger the operation of supplying power to the electric device connected to the output jack 102 or the operation of powering off according to the user's operation instruction or preset conditions.

Specifically, the control module 106 can monitor the usage of the electrical equipment inserted into the output jack 102 in real time, such as the power of the electrical equipment, etc., and when the power of the monitored electrical equipment is greater than a predetermined threshold value, an alarm will be issued. Prompt the user in a way so that the user can determine whether to disconnect the power supply to the electrical equipment, or automatically disconnect the power supply to the electrical equipment, so as to achieve the control of the power supply of the electrical equipment and the protection of the electrical equipment and the metering socket ;

Alternatively, the control module 106 is provided with an operation keyboard, so that the user can set the use period information through the operation keyboard, and the control module 106 can automatically turn on or disconnect the power supply of the electric device according to the use period set by the user, thereby Make high-power and infrequently used electrical equipment avoid the peak period of electricity consumption (generally, the electricity price is high at this time), so as to achieve the purpose of saving energy and money;

Alternatively, the control module 106 provides a remote control or non-remote control button to enable the user to manually power off the electric device, so as to control the power supply of the electric device.

As another optional implementation example, the embodiment of the present invention also provides a metering socket, which is packaged in an insulating housing and used to supply power to electrical equipment. Referring to Figure 9, the metering socket includes a power supply The line 200, the power input terminal 201, the power switch 202, the metering module 203 and the output jack 204, specifically, the power input terminal 201, the power switch 202, the metering module 203 and the output jack 204 are sequentially connected in series on the power line 200.

In the embodiment of the present invention, the power input terminal 201 can be specifically used to connect to an AC power supply. When the power input terminal 201 is connected to the AC power supply, there will be AC power passing through the power supply line 200. At this time, the power supply line 200 can be inserted into the AC power supply The electrical equipment of the metering socket supplies power, and at the same time, the power line 200 can also supply power to the metering module 203 connected thereto.

The output jack 204 is used to connect with the plug of the electrical equipment, so that the electrical equipment can be connected to the power line 200 for work. The electrical equipment performs power supply control, and whether the power supply switch 202 is closed or not is controlled by the output jack 204; when no electrical equipment is plugged into the output jack 204, the power supply switch 202 is in an open state by default, so that the metering module 203 Unable to connect to the power line 200 to work, when the output jack 204 is inserted into the electrical equipment, the power supply switch 202 is closed, so that the metering module 203 is connected to the power line 200 to work, and the electrical equipment inserted into the output jack 204 is also The power line 200 is connected to work. At this time, the metering module 203 is used to sample the current flowing on the power line 200 and calculate the power consumption on the power line 200 according to the current sampling.

In the embodiment of the present invention, the power supply switch 202 is closed when the power supply switch 202 is inserted into the output jack 204, so that the metering module 203 can be connected to the power line 200 to work, and the power supply switch 202 has no power supply equipment in the output jack 204 It is disconnected when plugged in, so that the metering module 203 cannot be connected to the power line 200 to work, so that the metering module 203 does not work when the electric device is not plugged in, saving power consumption.

Referring to Fig. 10 or 11, the metering module 203 shown in Fig. 9 of the embodiment of the present invention includes a metering unit 2031 and a current sampling unit 2032; wherein, the voltage input terminal of the metering unit 2031 is connected to the power supply switch 202, and the voltage output terminal of the metering unit 2031 Then it is connected to the output jack 204. Referring to FIG. 10 for details, the current sampling unit 2032 is set on the power line 200 between the metering unit 2031 and the power switch 202, or, referring to FIG. 11 for details, the current sampling unit 2032 is set on the metering unit 2031 and the power line 200 between the output jack 204 , and the sampling output end of the current sampling unit 2032 is connected to the current input end of the metering unit 2031 .

In the embodiment of the present invention, when the output jack 204 is plugged with an electrical device and the power supply switch 202 is closed, the flow direction of the alternating current on the power line 200 is: from the power supply input terminal 201 to the metering module 203 through the power supply switch 202 and then inserted into the output plug. Hole 204 for the consumer. Specifically, it can be known from FIG. 10 that when the current sampling unit 2032 is arranged on the power line 200 between the metering unit 2031 and the power supply switch 202, the current sampling unit 2032 is used to monitor the power consumption connected to the output jack 204 on the power line 200. The current of the device is sampled, and the current sample is output to the metering unit 2031. Correspondingly, the metering unit 2031 is used to calculate the power consumed by the electric device on the power line 200 according to the received current sample; see FIG. 11, when the current When the sampling unit 2032 is arranged on the power supply line 200 between the metering unit 2031 and the output jack 204, the current sampling unit 2032 is used to conduct the current on the power line 200 flowing to the electrical equipment connected to the metering unit 2031 and the output jack 204. sampling, and output the current sampling to the metering unit 2031. Correspondingly, the metering unit 2031 is used to calculate the power consumed by the metering unit 2031 and the electrical equipment on the power line 200 according to the received current sampling, so that the user can clearly It can accurately understand all the electricity consumed on the line where the metering socket is located, so that it can truly control the electricity consumption of the family.

In the embodiment of the present invention, the current sampling unit 2032 can specifically be a mutual inductance or series current induction coil (such as a manganin sheet), the current induction coil can be set on the power line, when the power line 200 has an alternating current passing through , the current induction coil can sample the current flowing on the power line 200 .

In the embodiment of the present invention, the power supply line 200 can specifically be composed of N wire and L wire; When the metering socket described in the example is a fixed socket, the access terminal point of the N line and the L line is the power input terminal 201 of the metering socket; the output jack 204 can be constructed of conductive material; the power switch 202 includes Elastic switch K1 and elastic switch K2.

Based on this, the embodiment of the present invention provides a schematic diagram of the physical structure of a metering socket corresponding to the metering socket shown in FIG. The L line is connected to the metering unit 2031 in the metering module 203 through the elastic switch K2. In the default state, the elastic switch K1 and the elastic switch K2 are in the pop-up (that is, off) state. At this time, the metering unit 2031 cannot be connected to the N line. and the L line, so it cannot operate; the current sampling unit 2032 is arranged on the L line between the metering unit 2031 and the output jack 204, and the sampling output end of the current sampling unit 2032 is connected to the current input end of the metering unit 2031. After that, the metering unit 2031 in the metering module 203 is connected to the output jack 204 through the N line and the L line respectively.

Fig. 13 is a schematic diagram of the physical structure of the metering socket shown in Fig. 10 when the electric device is inserted. When the input plug of the electric device is inserted into the jack 1 and the jack 2 in the output jack and connected to the metering module 203, the The input plug of the electrical equipment will squeeze the contact strips on the elastic switches K1 and K2, so that the elastic switches K1 and K2 are closed. At this time, the metering module will be connected to the N line and the L line, and the alternating current on the L line will enter the metering module. 203. Supply power to the metering module 203, and the metering module 203 starts to work. At the same time, the AC power on the L line enters the electric device inserted into the output jack through the metering module 203, supplies power to the electric device, and the power supply device starts to work. At the same time, the current sampling unit 2032 arranged on the L line between the elastic switch K2 and the output jack 102 samples the current flowing to the electrical equipment, and outputs the current sampling to the metering unit 2031, so that the metering unit 2031 receives The current sampling is used to calculate the power consumed by the electrical equipment.

Fig. 14 is a schematic diagram of the physical structure of a metering socket corresponding to the metering socket shown in Fig. 11 provided by an embodiment of the present invention. The difference between the metering socket described in this schematic diagram and the metering socket described in Fig. 12 is: The current sampling unit 2032 in the metering socket shown is set on the L line between the elastic switch K2 and the metering unit 2031. Others are the same as the metering socket shown in FIG. 4 , and will not be repeated here.

Fig. 15 is a schematic diagram of the physical structure of the metering socket shown in Fig. 14 when a useful electric device is inserted. When the electric device is inserted into the jack 1 and jack 2 in the metering socket shown in Fig. 14, the elastic switch K2 is set The current sampling unit 2032 on the L line between the metering unit 2031 samples the current flowing to the electrical equipment and the metering unit 2031, and outputs the current sampling to the metering unit 2031, so that the metering unit 2031 can measure the current according to the received current sampling. Calculate the electricity consumed by the electrical equipment metering module.

Further, referring to FIG. 16, the metering socket shown in FIG. 9 according to the embodiment of the present invention may also include a control module 205, which is connected in series on the power line between the metering module 203 and the output jack 204, and is used to The operation instruction or the preset condition triggers the operation of supplying power to the electric device connected to the output jack 204 or the operation of powering off.

For the detailed description of the control module 205 , please refer to the above description about the control module 106 , and details will not be repeated here.

In order to make the metering socket also enter the standby state when the electrical equipment inserted into the metering socket enters the standby state, and further save the power consumption of the above-mentioned metering socket, the embodiment of the present invention also provides a method for controlling the above-mentioned The method for metering socket, specifically referring to Fig. 17, said method comprises:

Step 301: When an electrical device is inserted into the output slot, the power supply switch is closed, and the metering module is connected to the power line to work, the metering module acquires a current sample on the power line;

Based on the metering socket shown in Figure 1 or Figure 2, the metering module acquiring the current sampling on the power line may include: the metering module receiving the current sampling on the power line sent by the current sampling device ;

When based on the metering socket as shown in Figure 10 or 11, the metering module obtaining the current sampling on the power line may include: the current sampling unit in the metering module samples the current on the power line , to obtain the current sampling on the power line.

Step 302: The metering module determines whether to enter a standby state according to the acquired current sampling.

Preferably, the metering module determining whether to enter the standby state according to the acquired current sampling may include:

When the obtained current sample is less than a predetermined value, the metering module enters a standby state, and stops calculating the power consumed on the power line, so as to save the power consumption of the metering socket;

When the acquired current sampling value is not less than a predetermined value, the metering module receives the current sampling sent by the current sampling device, and calculates the power consumed on the power line according to the received current sampling.

In the embodiment of the present invention, the metering module is also used to sample the voltage of the power line, then, correspondingly, the metering module determines whether to enter the standby state according to the obtained current sampling may also include:

The metering socket calculates the power consumed on the power line according to the sampled voltage sample and the obtained current sample;

When the calculated power is less than a predetermined value, the metering module enters a standby state, and stops calculating the power consumption on the power line, so as to save the power consumption of the metering socket;

When the calculated current sampling value is not less than a predetermined value, the metering module receives the current sampling sent by the current sampling device, and calculates the power consumed on the power line according to the received current sampling.

Further, the method provided by the embodiment of the present invention may also include:

When the metering module enters the standby state, the metering module obtains the current sampling on the power supply line again when the predetermined wake-up time slot arrives, and determines whether to maintain the standby state according to the obtained current sampling.

Specifically, when the metering module enters the standby state, the metering module acquires a current sample on the power line every predetermined time, and then, when the acquired current sample or the power calculated according to the acquired current sample is not less than When the predetermined value is reached, the metering module restarts to work; otherwise, the metering module remains in the standby state.

The embodiment of the present invention obtains the current sampling on the power supply line, and determines whether the metering module enters the standby state according to the acquired current sampling. The current on the meter is controllable, so that the power consumption of the metering socket can be controlled to save power.

Those of ordinary skill in the art can understand that all or part of the steps for implementing the above embodiments can be completed by hardware, and can also be completed by instructing related hardware through a program. The program can be stored in a computer-readable storage medium. The above-mentioned The storage medium mentioned may be a read-only memory, a magnetic disk or an optical disk, and the like.

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 (12)

1. a Metering socket, is encapsulated in an insulation shell, is used to power consumption equipment power supply, it is characterized in that, described Metering socket comprises: power circuit, power input, output plughole, power switch, metering module and current sampling device;

The two ends of described power circuit are connected with described output plughole with described power input respectively, described power input is used for connecting alternating-current power supply, so that have alternating current to pass through on described power circuit, described output plughole, for being connected with the plug of power consumption equipment, carries out work so that described power consumption equipment accesses described power circuit;

Described power circuit is also connected with the voltage input end of described metering module by described power switch, while not inserting power consumption equipment in described output plughole, described power switch is defaulted as off-state, so that cannot accessing described power circuit, described metering module carries out work, while inserting power consumption equipment in described output plughole, described power switch is closed, so that described metering module accesses described power circuit, carries out work;

Described current sampling device is arranged on described power circuit, and the sampling output of described current sampling device is connected with the current input terminal of described metering module, described current sampling device is for sampling to the electric current of flowing through on described power circuit, and current sample is exported to described metering module, so that described metering module calculates the electric weight consuming on described power circuit according to received current sample.

2. Metering socket according to claim 1, it is characterized in that, described current sampling device is arranged on the power circuit between described power switch and described output plughole, or described current sampling device is arranged on the power circuit between described power input and described power switch;

When described current sampling device is arranged on the power circuit between described power switch and described output plughole, described current sampling device is for sampling to flowing to the electric current of the power consumption equipment of described output plughole connection on described power circuit, and current sample is exported to described metering module, correspondingly, described metering module is for calculating the electric weight of the above power consumption equipment consumption of described power circuit according to the current sample receiving;

When described current sampling device is arranged on the power circuit between described power input and described power switch, described current sampling device is for sampling to flowing to the electric current of the power consumption equipment of described metering module and the connection of described output plughole on described power circuit, and current sample is exported to described metering module, correspondingly, described metering module is for calculating the electric weight of the above metering module of described power circuit and described power consumption equipment consumption according to the current sample receiving.

3. Metering socket according to claim 1 and 2, it is characterized in that, described Metering socket also comprises control module, described control module is connected on the power circuit between described current sampling device and described output plughole, the operation that described control module is powered for the power consumption equipment described output plughole being connected according to user's operational order or pre-conditioned triggering or the operation of power-off.

4. a Metering socket, is encapsulated in an insulation shell, is used to power consumption equipment power supply, it is characterized in that, described Metering socket comprises: power circuit, power input, power switch, metering module and output plughole;

Described power input, described power switch, described metering module and described output plughole are connected on described power circuit successively;

Described power input is used for connecting alternating-current power supply, so that have alternating current to pass through on described power circuit, described output plughole is for being connected with the plug of power consumption equipment, while not inserting power consumption equipment in described output plughole, described power switch is defaulted as off-state, so that cannot accessing described power circuit, described metering module carries out work, while inserting power consumption equipment in described output plughole, described power switch is closed, so that accessing described power circuit, described metering module carries out work, described metering module is for sampling to the electric current of flowing through on described power circuit, and according to current sample, the electric weight consuming on described power circuit is calculated.

5. Metering socket according to claim 4, is characterized in that, described metering module comprises metering units and current sampling unit; Wherein, the voltage input end of described metering units is connected with described power switch, the voltage output end of described metering units is connected with described output plughole, described current sampling unit is arranged on the power circuit between described metering units and described power switch, or described current sampling unit is arranged on the power circuit between described metering units and described output plughole, and the sampling output of described current sampling unit is connected with the current input terminal of described metering units.

6. Metering socket according to claim 5, it is characterized in that, when described current sampling unit is arranged on the power circuit between described metering units and described power switch, described current sampling unit is for sampling to flowing to the electric current of the power consumption equipment of described output plughole connection on described power circuit, and current sample is exported to described metering units, correspondingly, described metering units is for calculating the electric weight of the above power consumption equipment consumption of described power circuit according to the current sample receiving;

When described current sampling unit is arranged on the power circuit between described metering units and described output plughole, described current sampling unit is for sampling to flowing to the electric current of the power consumption equipment of described metering units and the connection of described output plughole on described power circuit, and current sample is exported to described metering units, correspondingly, described metering units is for calculating the electric weight of the above metering units of described power circuit and described power consumption equipment consumption according to the current sample receiving.

7. according to the Metering socket described in claim 4 to 6 any one, it is characterized in that, described Metering socket also comprises control module, described control module is connected on the power circuit between described metering module and described output plughole, the operation that described control module is powered for the power consumption equipment described output plughole being connected according to user's operational order or pre-conditioned triggering or the operation of power-off.

8. a method for control Metering socket as described in claim 1 to 7 any one, is characterized in that, described method comprises:

In described output slot, insert power consumption equipment, described power switch is closed, and described metering module accesses described power circuit while carrying out work, and described metering module obtains the current sample on described power circuit;

Described metering module determines whether to enter holding state according to obtained current sample.

9. method according to claim 8, is characterized in that, the current sample that described metering module obtains on described power circuit comprises:

Described metering module receives the current sample on the described power circuit that described current sampling device sends; Or

Described current sampling unit in described metering module is sampled to the electric current on described power circuit, obtains the current sample on described power circuit.

10. method according to claim 8, is characterized in that, described metering module determines whether to enter holding state according to obtained current sample and comprises:

When the current sample obtaining is less than predetermined value, described metering module enters holding state, stops the calculating of the electric weight to consuming on described power circuit;

When the current sampling data obtaining is not less than predetermined value, described metering module receives the current sample that described current sampling device sends, and according to received current sample, the electric weight consuming on described power circuit is calculated.

11. methods according to claim 8, is characterized in that, described metering module is also sampled for the voltage to described power circuit;

Correspondingly, described metering module determines whether to enter holding state according to obtained current sample and comprises:

Described Metering socket calculates according to the voltage sample sampling and the current sample obtaining the power consuming on described power circuit;

When the power calculating is less than predetermined value, described metering module enters holding state, stops the calculating of the electric weight to consuming on described power circuit;

When the current sampling data calculating is not less than predetermined value, described metering module receives the current sample that described current sampling device sends, and according to received current sample, the electric weight consuming on described power circuit is calculated.

Method described in 12. according to Claim 8 to 11 any one, is characterized in that, described method also comprises:

When described metering module enters holding state, described metering module, again obtains the current sample on described power circuit, and determines whether to keep holding state according to obtained current sample when waking time slot up and arriving predetermined.

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