JP2023091518A - portable outlet device - Google Patents

Abstract

To provide a portable outlet device capable of avoiding the inconvenience of making it impossible to classify the power consumption when using another contractor's power supply on a temporary basis, reducing material and labor costs by eliminating the need for new installation or removal of power lines and meters, and reducing the time required to ensure temporary power.SOLUTION: A portable outlet device 1 at least includes a power supply plug 3 connectable to a consumer outlet 15 directly or through a relay device, a device-attached outlet 4 connectable to a load device directly or via a relay apparatus, a device-attached smart meter 5 electrically arranged between the power supply plug 3 and the device-attached outlet 4 for periodically transmitting meter instruction values to make a metering of a usage of the power supplied through the power supply plug 3, and a device-attached breaker 6 for shutting off the power when the set amperage is exceeded.SELECTED DRAWING: Figure 1

Description

TECHNICAL FIELD The present invention relates to a portable outlet device that can eliminate the installation work of lead wires and meters when using electricity temporarily.

If you need to use electricity temporarily for outdoor work, etc., you will need to apply for a temporary power contract. If there is a power source of another contractor nearby, it is possible to use that power source. When there is an application for a temporary power contract, after going through a prescribed examination, we are trying to carry out work such as pulling in wires and installing a watt-hour meter in order to secure the necessary power (see Non-Patent Document 1, etc.) ).

The Chugoku Electric Power Co., Inc. "Electricity Contract Summary" April 1, 2021

However, in the past, every time electricity was needed temporarily, lead-in work and meter installation work were required, so material and construction costs were high, and it took time before electricity could be used. . Moreover, when a service line and a meter are temporarily installed, it is necessary to remove the service line and the meter after the temporary use ends.

The present invention has been made in view of such circumstances, and it is possible to avoid the inconvenience of not being able to classify the amount of power used when using the power supply of another contractor temporarily. To provide a portable outlet device capable of reducing material and construction costs by eliminating the need for removal, and shortening the time required to secure temporary power.

In order to achieve the above object, the portable outlet device according to the present invention includes:
a power plug that can be connected directly to the outlet of the consumer or via a relay device;
an outlet attached to the device to which the load device can be connected directly or via a relay device;
a device-attached smart meter electrically disposed between the power plug and the device-attached outlet, the device-attached smart meter periodically transmitting a meter reading to measure the usage of the power supplied through the power plug; and , a device-attached breaker that cuts off the power supply when the set amperage is exceeded;
is characterized by comprising at least

Therefore, since the portable outlet device is provided with a device-attached smart meter and a device-attached breaker, after connecting the power plug to the consumer outlet and then connecting the load device to the device-attached outlet, the power plug can be removed. The power supplied through the device is measured by the smart meter attached to the device, making it possible to accurately grasp the amount of power used by the load equipment.

At this time, the smart meter installed at the consumer (consumer smart meter) measures the sum of the electric power used by the consumer and the electric power used by the portable outlet device. Since it is possible to accurately grasp the amount of power used by the portable outlet device, the amount of power grasped from the meter indicated value of the smart meter attached to the device can be calculated from the indicated value of the consumer's smart meter. By deducting, it is possible to accurately grasp the original amount of electric power used at the consumer's house.

Here, the portable outlet device may be attached to the wall of the consumer, placed flat on a suitable place, or suspended. It has no mechanical moving parts and is suitable for portable use.

By the way, since the portable outlet device is not permanently installed in a specific consumer, when the power plug is pulled out from the consumer outlet, the signal from the smart meter attached to the device will not be sent to the MDMS (meter data management system). , the status of the portable outlet device cannot be grasped. Therefore, the portable outlet device is provided with a temporary power-off button that transmits information indicating that the supply of power from the power plug is temporarily cut off, and a return button that transmits information indicating that the plug is to be returned after use. By pressing any button before pulling out the power plug from the consumer outlet, the current state of the portable outlet device may be notified to the MDMS to prevent loss.

In addition, since the power consumed by the portable outlet device is added to the consumer connected to the portable outlet device, in order to calculate the power consumption of the consumer's house, the power consumption Automatically send the meter readings from the home smart meter and the meter readings from the smart meter attached to the device to the meter data management system on a regular basis, and in the meter data management system,
Calculate the temporary power amount for 30 minutes at the consumer based on the meter indication value sent from the consumer smart meter,
Calculate the 30-minute power consumption in the portable outlet device based on the meter indication value sent from the smart meter attached to the device,
It is preferable to calculate the original 30-minute electric energy at the customer by subtracting the 30-minute electric energy at the portable outlet device from the 30-minute provisional electric energy at the customer.

As described above, according to the portable outlet device of the present invention, the power plug, the power outlet attached to the device, and the meter indication value are periodically transmitted to measure the amount of power supplied from the power plug. and a breaker attached to the device, so if there is a power source of another contractor near the work place where power is required, the power plug of this device can be connected to that power outlet. Since it is possible to secure temporary power by connecting the It becomes possible to

In addition, since the portable outlet device is equipped with a smart meter attached to the device, even when using the power supply of another contractor, By deducting the amount of power consumption ascertained by the meter indication value of the smart meter attached to the device from the amount of power used, it is possible to accurately calculate the original amount of power used by other contractors. It is possible to avoid the inconvenience of not being able to classify.

FIG. 1 is a diagram showing a schematic configuration of a portable outlet device according to the present invention and an existing smart meter communication system. 2A and 2B are diagrams showing a portable outlet device according to the present invention, where (a) is a front view thereof and (b) is a functional block diagram thereof. FIG. 3 is a flow chart showing the procedure for using this portable outlet device. FIG. 4 is a flow chart showing an example of operation processing for calculating power consumption in the meter data management system. FIG. 5 is a flow chart showing an example of operation processing for managing the state of the portable outlet device in the meter data management system.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

In FIG. 1, a portable outlet device 1 according to the present invention and an existing smart meter communication system 10 are shown.
The smart meter communication system 10 includes a consumer smart meter (hereinafter referred to as a consumer smart meter) 11 and a later-described smart meter attached to the portable outlet device 1 according to the present invention (hereinafter referred to as a device attached smart meter 5). ) collects data such as 30-minute indication values transmitted from ) at aggregating device (CR) 12, and the data collected at aggregating device (CR) 12 is collected by head end system (HES) 13 in a higher in-house system It is transmitted to a certain meter data management system (MDMS) 14, where the indicated value for 30 minutes is accumulated, and the indicated value taken in last time is subtracted from the indicated value this time to calculate the power consumption (30 minute value), It has a function of sorting and totalizing for each smart meter.

Further, when the smart meter communication system 10 works by temporarily using the electricity of a consumer contracted under the name of another person, the portable outlet device 1 according to the present invention is , consumer outlet 15) directly or via a relay device such as an extension cord, and by connecting a load device to this portable outlet device 1 and using it, the amount of electric power used by the consumer and the portable outlet It also has a function of distinguishing the amount of electric power used by the device 1 .

As shown in FIG. 2, the portable outlet device 1 can be connected to a portable housing 2 directly or via a relay device such as an extension cord to a consumer outlet 15 contracted under another person's name. A power plug 3, a device-attached outlet 4 to which a load device can be connected directly or via a relay device such as an extension cord, and a A device-attached smart meter 5 that periodically transmits a meter indication value to measure the amount of power supplied and is electrically arranged and set between the device-attached smart meter 5 and the device-attached outlet 4. and at least a device-attached breaker 6 that cuts off the current when the specified amperage is exceeded.

Here, the device-attached smart meter 5 has the same function as a normal smart meter that does not have a mechanical operating part, and periodically (every 30 minutes) indicates the meter reading while it is energized. It is designed to be transmitted via the communication section. In addition, the device-attached smart meter 5 is provided with a display section 5a for displaying the indicated value of the meter. It is changeable.
The device-attached breaker 6 is set to an amperage smaller than the contracted amperage of the customer to which the device is connected, as will be described later.

In addition, to the portable outlet device 1, a temporary power-off button 7 for transmitting information to temporarily cut off the power supply from the power plug 3 and information to the effect that the device is to be returned after use is transmitted. A return button 8 is further provided. These temporary power off button 7 and return button 8 are electrically arranged, for example, between the power plug 3 and the smart meter 5 attached to the device, and send information using the communication unit of the smart meter 5 attached to the device. In order to do so, it may be incorporated into the smart meter 5 attached to the device.

FIG. 3 shows a series of flow in the case of using the power source of another contractor nearby when electricity is temporarily required for outdoor work or the like in the above configuration.
First, if the customer wishes to temporarily use the power source of another contractor, he/she applies for a temporary power contract to the electric power company. When applying for this application, the applicant must provide the smart meter ID (consumer SMID) used by the other contractor's power supply (consumer power supply contracted under the name of another person) and the contract amperage of the consumer's home. Confirm the number (for example, 75A) and apply (step 50).

In response to this, the electric power company conducts a predetermined examination, selects the portable outlet device 1 in which the device-attached breaker 6 with a smaller capacity (for example, 60 A) than the contracted ampere capacity of the consumer's house is installed, Information (for example, application The ID of the customer's smart meter under the name of another person (customer's SMID) and the ID of the device-attached smart meter provided in the selected portable outlet device 1 (device-attached SMID) are registered (step 52). After that, the registered portable outlet device 1 is lent to the applicant (step 54).

The applicant inserts the power plug 3 of the lent portable outlet device 1 into the consumer outlet 15 of the other contractor, inserts the load device he wishes to use into the device-attached outlet 4 of the portable outlet device 1, and starts using it. (step 56). As a result, the meter indication value of the smart meter 5 attached to the portable outlet device 1 is automatically transmitted to the centralization device (CR) every 30 minutes, and then the meter data management system ( MDMS) 14.

When the applicant pulls out the power plug 3 of the portable outlet device 1 from the consumer outlet 15 in order to suspend the use of the portable outlet device 1, the applicant presses the temporary power off button 7 before pulling out the power plug 3 to stop using it. A signal to interrupt is sent to the MDMS 14 .
In addition, when the power plug 3 of the device is pulled out from the consumer outlet 15 after using the device (after the end of the work), the return button 8 is pressed before the power plug 3 is pulled out to send a signal indicating that the device is to be returned. After that, the portable outlet device 1 is returned to the electric power company (step 58).

As a result of such a series of uses of the portable outlet device 1, the MDMS 14 performs a process of calculating the power consumption as shown in FIG.
This will be explained below. After lending the portable outlet device 1 to the applicant, the MDMS 14 receives the meter readings of the consumer smart meter 11 and device-attached smart meter 5 every 30 minutes (step 60). Each meter indication value (30-minute indication value) is recorded, and the previous indicated value is subtracted from the current indication value to determine the amount of electricity used by the customer (temporary 30-minute electricity amount on the customer side) and the portable The amount of power used in the outlet device 1 (30-minute power consumption on the device side) is calculated (step 62).

Since the temporary 30-minute electric energy on the consumer side includes the electric energy used by the portable outlet device 1 (30-minute electric energy on the device side), the original electric energy used only at the consumer's house (demand In order to calculate the power consumption on the home side), the power consumption (temporary 30-minute power consumption on the consumer side) calculated from the meter indication value of the consumer smart meter 11 is used, and the meter indication value of the smart meter 5 attached to the device is used. The calculated power consumption (30-minute power consumption on the device side) is subtracted, and the deducted power consumption (30-minute power consumption on the consumer side) is integrated (step 64).
In addition, the amount of power used by the portable outlet device 1 (device-side power consumption) is the power amount (device-side 30-minute power consumption) calculated from the meter indication value of the smart meter attached to the device calculated in step 62. Accumulate.

As a result, even when the power supply of another contractor is used by using the portable outlet device 1, the amount of electric power used by the portable outlet device 1 can be accurately distinguished from the original amount of electric power used by the other contractor. Since it is possible to calculate, it is possible to avoid the inconvenience of not being able to classify the power consumption.

After the power plug 3 of the portable outlet device 1 is connected to the consumer outlet 15 and the smart meter 5 attached to the device becomes communicable, the MDMS 14 performs the processing shown in FIG. The state of the portable outlet device 1 indicated by 5 is also managed.
To explain this, it is determined whether or not the temporary power-off button 7 of the portable outlet device 1 has been pressed and whether or not the return button 8 has been pressed after power supply to the smart meter 5 attached to the device is started. (steps 66 and 68), and when it is determined that the temporary power-off button 7 has been pressed, the fact that the portable outlet device 1 is pulled out of the consumer outlet 15 and the power is temporarily off is registered (steps 66 and 68). 70). Further, when the return button 8 is pressed, the state that the portable outlet device 1 is unplugged from the consumer outlet 15 and returned is registered (step 72), and the consumer smart meter 11 and the smart meter 5 attached to the device are disconnected (step 74).

On the other hand, when it is determined that the temporary power-off button 7 has not been pressed and the return button 8 has not been pressed, the smart meter 5 attached to the portable outlet device 1 It is determined whether or not there is communication (step 76), and if it is determined that there is no communication from the device-attached smart meter 5, even though the device-attached smart meter 5 is not energized, any button is pressed. (Temporary power off button 7 or return button 8) is also not pressed, so there is a risk of losing the portable outlet device 1. Contact (step 78).

Therefore, if the portable outlet device 1 as described above is used, power can be secured temporarily by connecting this device to the consumer outlet 15 when there is a power source of another contractor near the work site. This eliminates the need to install or remove service lines and meters, reducing material and construction costs, and shortening the time required to secure temporary power.
Furthermore, since the temporary power-off button 7 and the return button 8 are provided, it is possible to grasp the current state of the portable outlet device 1 and prevent loss.

Since the above-described portable outlet device 1 is often used outdoors, it should be covered with a transparent cover 9 (shown in FIG. 2) in preparation for rainy weather or in preparation for use in dusty locations. can be In this case, the portion facing the device-attached receptacle 4 may be provided with a cut to the extent that the power plug of the load device can be inserted, or may be provided with an opening/closing portion.

1 Portable outlet device 3 Power plug 4 Outlet attached to device 5 Smart meter attached to device 6 Breaker attached to device 7 Temporary power off button 8 Return button 11 Consumer smart meter 14 Meter data management system 15 Consumer outlet

Claims (3)

a power plug that can be connected directly to the outlet of the consumer or via a relay device;
an outlet attached to the device to which the load device can be connected directly or via a relay device;
a device-attached smart meter electrically disposed between the power plug and the device-attached outlet, the device-attached smart meter periodically transmitting a meter reading to measure the usage of the power supplied through the power plug; and , a device-attached breaker that cuts off the power supply when the set amperage is exceeded;
A portable outlet device comprising at least: a temporary power off button for transmitting information indicating that power supply from the power plug is temporarily cut;
a return button for sending information to the effect that the product will be returned after use;
2. The portable outlet device of claim 1, further comprising: a. A method for calculating the power amount of the consumer using the portable outlet device according to claim 1 or 2,
periodically automatically transmitting the meter indication value from the consumer smart meter installed at the consumer and the meter indication value from the device-attached smart meter to a meter data management system;
In the meter data management system,
Calculate a 30-minute tentative power amount at the consumer based on the meter indication value transmitted from the consumer smart meter,
Calculate the 30-minute power consumption at the portable outlet device based on the meter indication value transmitted from the smart meter attached to the device;
calculating the original 30-minute power amount at the consumer by subtracting the 30-minute power amount at the portable outlet device from the 30-minute provisional power amount at the customer;
A consumer power amount calculation method for a consumer, characterized by:

Images