JPH0353475A - Outlet with power conversion function and plug with information transmitting function - Google Patents

Abstract

PURPOSE:To convert power received from a power source into an output of specified voltage, amperage, and frequency required by a load by providing a power conversion means in an electric outlet. CONSTITUTION:An outlet 1 is provided with a conversion means 2 for converting power from a power source into a specified output and with a control means 3 for controlling the conversion means 2 so as to control and output of the conversion means 2 to be of the specified value as required by a load 5. The specifications of power required by the load 5 are converted into codes and inputted to the outlet 1. The control means 3 reads the codes and makes them the setting values for the control means 3. The power to meet the specifications required by the load is thus supplied.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention provides negative 4! In supplying power to i,
The present invention relates to an outlet means for connecting a power line and a load plug, and particularly relates to an outlet with a power conversion function, a plug with an information transmission function, and a method of receiving power from a load using the outlet.

[Conventional technology]

Household electrical appliances or OA equipment such as personal computers that receive power from commercial AC power wiring are equipped with a plug that serves as an input terminal on the power supply, and are connected to the outlet I connected to the commercial power wiring by connecting the above plug. , it becomes possible to receive electricity.

Here, the electrical outlets commonly used today are:
As shown in Figure 26, it has an input terminal section connected to the commercial power supply wiring and an output terminal section connected to the load plug, and the input terminal section and the output terminal section are connected by a conductor. . The output terminal part has a removable structure that allows it to be easily connected to or disconnected from the electrode part of the plug. In addition, the connection part between the commercial power wiring and the input terminal of the outlet, and
The connecting portions between the output terminals and the electrodes of the plug are each covered with a cover made of an insulating material to avoid exposure.

The output voltage of the outlet is equal to the input commercial AC voltage. On the other hand, the load side is often equipped with a switching power supply for converting the commercial AC voltage received from the outlet into the power level (DC 5V, 12V, etc.) required to drive the circuit inside the load.

In the case of loads that use batteries as a power source, AC-DC converters are often used because they can also receive power from commercial power sources. AC-DC converters are used by being plugged into an outlet as shown in Figure 27. and commercial exchange ioo
Converts v to DC 3V or 165V. The structure of the converter consists of a transformer, a rectifier, and smoothing means, as shown in FIG. In addition, there are some converters that allow tap switching of the transformer by operating a switch provided on the surface of the converter main body, and the output voltage can be selected between 3v and 1.5v.

[Problem to be solved by the invention]

In the above conventional technology, the voltage output from the outlet is a commercial AC voltage, and in order to obtain the power of the desired specifications for the load, it is necessary to
It was necessary to provide power conversion means.

An object of the present invention is to provide an outlet with a power conversion function that converts the electric power received from the power source into specifications such as voltage, current, frequency, etc. desired by the consumer and outputs it by providing a power conversion means inside the outlet. It is about providing. Further, another object of the present invention is to provide a function for controlling the supply or cutoff of power to the above-mentioned outlet with a power conversion function, and
It is an object of the present invention to provide a highly functional electrical outlet 1 which has a function of diagnosing the current capacity of a load.

Furthermore, another object of the present invention is to provide a load power reception method that eliminates the need for conversion means inside the load or between the outlet and the load, which was necessary in the prior art, by using the above-mentioned outlet with a power conversion function. It is about providing.

Another object of the present invention is to provide a plug for transmitting power specifications desired by a load to the above-mentioned outlet with a power conversion function.

[Means to solve the problem]

In order to achieve the above object, the present invention includes a converting means that converts and outputs electric power from a power supply to an arbitrary specification to an outlet, and a set value that is the specification desired by the load, and an output of the converting means that is set to the above set value. and control means for controlling the conversion means so that Here, the power specifications desired by the load are encoded and input to the outlet, and the control means or an identification means provided separately from the control means reads this code and sets the control means. value.

By using a PWM (pulse width modulation) controlled inverter, a cycloconverter, or the like as the conversion means, it is possible to control the voltage, current, and frequency.

Further, by providing a function of receiving a signal given from the outside and controlling driving and stopping of the converting means, it is possible to control the supply or cutoff of power to the load. Furthermore, if a signal indicating the maximum current capacity of the load is received and the output current exceeds the maximum value,
By providing a function to control current limitation or cutoff, it is possible to diagnose negative -1j current capacity.

As for the load, by using the above-mentioned outlet with a power conversion function in place of a conventional outlet, there is no need for a conventionally required switching power supply or voltage conversion means such as an external converter.

Further, the specifications of the power desired by the load can be transmitted to the above-mentioned power converting receptacle by being encoded and provided on the electrodes of the plug, or by outputting from a terminal provided on the plug.

[Effect]

Conventionally, an outlet has only served as a connector for connecting the wiring of a commercial power source and a plug serving as an input terminal of a load, and the output voltage and frequency have been limited to specifications equal to those of the commercial power source. According to the power outlet with power conversion function of the present invention, it is possible to supply power of any specification desired by the load, and even when using electrical products manufactured in other countries with different commercial power sources, it is possible to connect the power outlet with the power outlet. There is no need to provide a conversion means such as a transformer between the plugs. In addition, the safety of the five loads can be improved by making it possible to control the supply or cutoff of power to the loads by inputting signals. According to the function that diagnoses the current capacity of the load, it is negative 47? Even in the event of an accident such as a short circuit, it is possible to prevent an excessive increase in current and protect the load. Further, with the function of converting the frequency and outputting it, it is possible to provide a power source with a different frequency depending on the load, and it is possible to improve the efficiency of the load. Furthermore, by supplying power of a desired specification from the outlet with a power conversion function of the present invention, a switching power supply that was conventionally required inside the load becomes unnecessary, and the load can be made smaller.

〔Example〕

An embodiment of the present invention will be described below with reference to FIG. In Fig. 1, 1 is a power outlet with a power conversion function according to the present invention.
~, and the inside of this outlet includes a conversion means 2 and a control means 3. Further, the conversion f stage 2 is connected to a power source and has an output terminal 6 for supplying power to a load 5.
Equipped with The connection between the output terminal 6 and the electrode 7 of the plug 4, which is the input terminal of the load 5, is made by contact between the electrode 7 of the plaque 4 and the output terminal 6, and the contact is detachable like a conventional electrical outlet.

The feature of the electrical outlet with a power conversion function according to the present invention is that the power specification desired by the load 5 is given to the control means 3 from outside the electrical outlet. Next, the control means 3 controls the converting means 2 so that the output of the converting means 2 becomes the set value of the above specifications using the above specifications as a set value.

While conventional outlets supply the received commercial power to the load as is, the outlet with a power conversion function according to the present invention can convert the commercial power to the power of the specifications desired by the load and supply it. The feature is that it has been made possible.

According to the present invention, appropriate power can be supplied to loads having different power specifications, and the efficiency of the loads can be improved.

Another embodiment of the invention is shown in FIG. In Figure 2, the outlet with power conversion function 1 has a conversion means 2 and a control means 3.
, and the output terminal 6 are similar to the embodiment shown in FIG. Here, the feature of this embodiment is that the specification input terminal 8
from the specification output terminal 9 provided on the load 5.
The desired power specifications are communicated. This embodiment is characterized in that a command for a power value desired by the load 5 is inputted from the load 5 via terminals 8 and 9.

Note that the terminal 9 may be a signal output means specially provided to the load 5, or may also serve as the electrode 7 of the plug 4 for receiving power.

According to the present invention, the power specifications desired by the load are transmitted from the load, so that the user does not have to perform complicated operations.

Another embodiment of the present invention shown in FIG. 3 is characterized in that the power specifications desired by the load 5 are encoded and input to the control means 3 manually. 3 differs from the embodiment shown in FIG. 1 in that the control means 3 is provided with identification means 10 for decoding the encoded specification 11. The identification means 10 is
The encoded specification 11 is decoded according to a predetermined rule, and the power specification desired by the load 5 is identified. still,? } The method of inputting the coded specifications 11 into the power conversion function receptacle 1 may be to use the terminals 8 and 9 as shown in the embodiment of FIG.

By encoding specifications as in the present invention, it is possible to distinguish noise generated when connecting an outlet and a plug from specifications, and this has the effect of improving reliability.

FIG. 4 shows another embodiment of the invention. In this example,
Outlet 1 with a power conversion function shown in the embodiment shown in Fig. 1
The feature of this configuration is that it includes a display means l2. The display means 12 is provided on the surface of the main body of the power outlet with power conversion function 1, and receives a display command from the control means 3 and displays it. The display means 12 may display the value of the voltage, etc. desired by the load 5 numerically as shown in the embodiment of FIG. 4, or may be a plurality of light emitting means provided on the intangible surface of the outlet. It may also be displayed as

By providing the display means as in the present invention, the user can confirm that the desired power specifications of the load have been correctly read, and this has the effect of improving maintainability. Furthermore, since the user can know the current output status of the electrical outlets 1 to 1, even if the load does not have a signal means etc. to the conversion means, it is possible to prevent the user from accidentally inserting a plug into a power supply port with a different output. It also has the effect of preventing.

Another embodiment of the present invention shown in FIG. 5 is characterized in that an identification means IO is provided separately from the control means as a means for reading the specifications of the power desired by the load 5. Identification means 10
reads the above specification and transmits the value to the control means 3 as a set value. control means 3 after being given the set value;
The functions of the converting means 2 and the converting means 2 are similar to those of the embodiment shown in FIG. According to the present invention, when the control means is implemented as an IC, the sensor means, etc., which cannot be manufactured by an IC process, can be independently provided as an identification means, and the manufacturing can be facilitated.

Further, the embodiment shown in FIG. 6 is provided with a specified input terminal 8 and a terminal 9 provided on the load 5, similar to the embodiment shown in FIG.
The purpose is to transmit the desired power specifications of the load 5. Here, the present embodiment is characterized in that the command value of the power desired by the load 5 is transmitted to the identification means 10 via the terminals 8 and 9. Note that the function of the identification means 10 is the same as that in the embodiment shown in FIG. 5, and a description thereof will be omitted.

According to the present invention, similar to the embodiment shown in FIG. 2, complicated operations by the user can be omitted, and similar to the embodiment shown in FIG. 5, the effects of improving manufacturability are provided.

In the embodiment shown in FIG. 2 described above, the specification of the power desired by the load 5 is given from the load 5, but in another embodiment of the present invention shown in the following FIG. A plurality of types of power specifications are stored in advance in the power outlet 35, and the user can selectively turn on and off the switch means 36 to supply power with appropriate specifications to the load from the outlet 11. It is characterized by points. When there are only a few types of electric power supplied from an outlet, the present invention has the advantage of being easy to operate and preventing malfunctions.

Another embodiment of the present invention shown in FIG. 8 shows an embodiment of the converting means 2. As shown in FIG. In this embodiment, the voltage conversion means 2 includes a rectifier 13 that receives commercial voltage, a filter 14-1,
It is composed of an inverter 15, a transformer 16, a cycloconverter 7, and a filter 14-2. filter l
The output of 4-2 is transmitted to the detection means 19, passes through the photocoupler 18-2, and is inputted to the control IC3, which is the control means. The control IC 3 outputs a drive command to the inverter {5 and the cycloconverter 17.

In this embodiment, the control IC 3 is provided on the downstream side of the transformer 6, and the drive command for the cycloconverter 7 installed on the secondary side of the transformer 16 is provided by the pho 1.
It is transmitted via Hekapura ↓8-3. Above control IC3
The configuration of the converting means 2 and the converting means 2 are both known techniques and have no direct relation to the present invention. Similar to the embodiment shown in FIG. 5, the identification means 4 receives the specifications of the power desired by the load 5, and transmits to the control IC 3 an output setting value corresponding to the above specifications. The example is characterized in that a photocoupler ↑8-1 is provided between the identification means 10 and the control IC 3. The purpose of this photocoupler l8-1 is to insulate and transmit the optical signal, and an insulating means other than the photocoupler 18-1 may be used.

Next, the operation of this embodiment will be explained. The power supply voltage input to the outlet with power conversion function 1 is once converted into a DC voltage by the rectifier 13 and the filter 14-1. The control IC3 receives the set value from the identification means IO, and controls the inverter l5 using PWM (pulse width modulation). That is, the DC voltage output from the filter 14 - 1 is converted into a pulsed AC voltage by the inverter 15 and transmitted to the primary side of the transformer 16 . Here, the -1- pulsed AC voltage is insulated transmitted via the transformer 16 and input to the cycloconverter 7. Cycloconverter 17 controls the polarity of the pulse. lastly,
After passing through the filter l4-2, it is supplied to the load 5 from the output terminal 6 as a sinusoidal AC voltage. The detection means 19 detects the value, frequency, etc. of the voltage output to the load 5 and transmits it to the control IC 3. In the control IC 3, the detected voltage,
It is determined whether the current, frequency, etc. are equal to the set values given by the identifying means 10, and if they are different, the drive commands for the inverter 15 and the cycloconverter 17 are changed.

In this embodiment, by controlling the inverter 15, it is possible to output an arbitrary voltage, and it is possible to realize the function of supplying power with specifications desired by the load, which is a feature of the present invention. Furthermore, as a feature of this embodiment, the frequency of the output voltage can be changed by controlling the cycloconverter 17, and both the voltage and the frequency can be supplied with the specifications desired by the load.

According to the present invention, it is possible to set the frequency in addition to the voltage and current to a value desired by the load, and the efficiency of the negative finger can be improved, and the load can be downsized by feeding power at a high frequency.

Next, in another embodiment of the present invention shown in FIG. 9, another embodiment of the converting means 2 is shown. In this embodiment, the conversion means 2 includes a rectifier 13-1 that receives commercial voltage, a filter 14-1, an inverter 15, a transformer 1G, ! I flow device 1
3-2 and a filter 14-2. The output of the filter 14-2 is transmitted to the detection means 19, and the output of the filter 14-2 is transmitted to the detection means 19.
The input through the coupler 8-2 to the control IC 3, which is the control means, is the same as in the embodiment shown in FIG.

The control IC 3 outputs a drive command to the inverter 15. The control IC is provided on the primary side of the transformer 16 in this embodiment as well, as in the embodiment shown in FIG. The configuration of the control IC 3 and the converting means 2 described above are both known techniques for the configuration of a switching power supply, and have no direct relation to the present invention.

Similar to the embodiment shown in FIG. 8, the identification means 10 transmits the power specification desired by the load 5 to the control IC 3 as a set value, but in this embodiment, a photo is provided between the identification means 10 and the control IC 3. A coupler 18-1 is provided. Similar to the embodiment shown in FIG. 8, the purpose of photo coupler 18-1 is to insulate and transmit signals, and insulating means other than photocouplers may be used. Next, the operation of this embodiment will be explained. The voltage input to outlet 1 with power conversion function is
The voltage is once converted into a DC voltage by the v1 current transformer 13-1 and the filter 14-1. The control IC 3 receives the setting value from the identification means 10 and performs PWM control on the inverter 15. The DC voltage that is the output of the filter 14-1 is converted into a pulsed AC voltage by the inverter l5, and is transmitted to the primary side of the transformer 16. Here, the above-mentioned pulsed alternating current voltage is insulated transmitted via the transformer 16, and outputted via the rectifier 3-2 and the output smoothing filter 14-2. Here, a feature of this embodiment is that the voltage supplied to the load S is a DC voltage. Control IC3
Then, it is determined whether the voltage detected by the detection means 19 is equal to the set value given by the identification means 10, and if different, the drive command to the inverter 15 is changed.

In this embodiment, by controlling the inverter 15, it is possible to output an arbitrary DC voltage, and it is possible to realize the function of outputting power of specifications desired by the load, which is a feature of the present invention.

Many loads use alternating current voltage after it is received and then rectified and smoothed. However, according to the present invention, there is no need to provide such rectification and smoothing means inside the load, which has the effect of reducing the size of the load. .

According to the embodiments shown in FIGS. 8 and 9 above, it is possible to realize the function of supplying electric power with specifications desired by the load, which is a feature of the present invention. Although the configuration of the voltage conversion means in the embodiments of FIGS. 8 and 9 is a known technique as described above, in the outlet 1 with a power conversion function according to the present invention, the received commercial voltage and the output supplied to the load are Between the voltages, the converting means 2 is provided with a transformer 16, which is an insulating means.
It is characterized by having the following.

Further, the embodiments shown in FIGS. 8 and 9 are characterized in that the voltage received at the outlet 1 is once rectified and then converted into a form of power according to the specifications of the load. Although it has been described in FIGS. 8 and 9 that the inverter 15 is controlled at a constant voltage according to the specifications of the load, it is also possible to use a conversion means that outputs the current desired by the load by performing constant current type control. It is also possible to realize

Next, the embodiments shown in FIGS. 10 and 11 represent an embodiment of the identification means in the plug with the information transmission function and the outlet with the power conversion function of the present invention.

First, FIG. 10 corresponds to the plug 4 of the load 5 shown in the embodiments of FIGS. 1 to 9, and in this embodiment, the plug 4
A feature is that a reference numeral 20 representing the specification of the power desired by the load 5 is provided on the electric power 1 reference 7 corresponding to the input terminal provided in the load 5. In this embodiment, a plurality of protruding lines are provided on the surface of the electrode 7, and the arrangement and number of the lines correspond to the code representing the power specification desired by the load 5.

The reading of the above-mentioned mark Z is carried out using the configuration shown in the embodiment shown in FIG.

FIG. 1 is a sectional view showing a state in which the plug 4 shown in FIG. 1O is inserted into the electrical outlet 1 with a power conversion function according to the present invention.

In the embodiment of FIG. The conversion means 2 provided inside the outlet l has an output terminal 6- as in the previous embodiment.
1.6-2.6-3 and 6-4 supply power to the load 5, and in the embodiment of FIG. comes into contact with
Indicates an electrically connected state. A protrusion 20 representing a code provided on one of the electrodes 7 of the plug 4 is in contact with a plurality of terminals 21 provided on the identification means 10. Here, the terminal 21 is configured to be movable in the front-rear direction by an elastic means such as a spring (not shown), and can come into contact with the protrusion 20 after the plug 4 is inserted into the outlet 1. Also, the electrode 7 of the plug 4 is connected to the output terminal 6.
- a terminal 21 whose tip of the electrode is connected to the identification means 10 by being in full contact with the top, 6-2.6-3.6-4;
- Contact with 6. By this, terminal 2 1 G
+ The conductors of the electrode 7, protrusion 20, and terminal 21 of the plug 4 are electrically connected in series.

In Figure 1, as an example, it is assumed that the identification means 10 includes five terminals 21, and terminals 21-1, 21-3, and 21-5 are in contact with the protrusion 20, respectively. Here, the terminals 21-1.21-3.21-5 that are in contact with the protrusion 20 give a high level signal to the identification means IO by connecting conductors in series as described above, and 2
The terminals 21-2 and 21-4 that do not come into contact with 0 have the function of transmitting a low level signal to the identification means 10 with the circuit in an open state.

The identification means 10 constructs 5-bit information as shown in FIG. 11 based on the signal applied from the terminal 2l. This information corresponds to the specifications desired by the load 5, and is transmitted to the control means 3 as a set value. After obtaining the above set values, the functions of the control means 3 are the same as those in the embodiment shown in FIG. 8 or 9 described above.

As described above, this embodiment is characterized by having a function of reading the encoded specifications provided on the surface of the electrode 7 of the plug 4, and the method for converting the specifications shown in FIG. 1O. may be realized by other means such as forming a concave groove shape contrary to this embodiment, or by drilling a plurality of holes.
The technique for reading the above-mentioned Fuchin may also be realized by other means.

According to the present invention, the electrodes of the plug can be used for information transmission, and there is an effect that a low-cost information transmission means can be provided. The embodiment shown in FIG. 10 is characterized in that the surface of the electrode 7, which is the human power terminal of the plug 4, is provided with a code corresponding to the specifications, and the outlet 1 with a power conversion function according to the present invention is provided with a function to read the code. However, in the other embodiment shown in FIG. 12, the load plug 4 is connected to the input terminal
It is characterized by having a terminal 22 for transmitting a signal, which is different from A7. 1'3 shows the terminal 22 for outputting the signal.
An embodiment of a plug 4 with a power conversion function and a power conversion function-equipped outlet l with a function of reading signals from the terminal 22 is shown. In the embodiment shown in FIG. 13, the plug 4 is provided with a signal output means 23 connected to the signal output terminal 22. Further, the electrical outlet with power conversion function 1 includes identification means 10 having the same functions as those shown in FIGS. 5 to 9. FIG. 13 is a sectional view showing a state in which the plug 4 and the outlet 1 are connected, and the plug 4 is connected.
electrode 7 and output terminal 6-↓, 6-2.6 in the outlet
5 above terminal 22 when 3 and 6-4 are connected.
The signal output means 23 and the identification means ↓O are connected through
The specifications of the power desired by the load are transmitted from the signal output means 23 to the identification means 10.

The identification means 10 is similar to the embodiments shown in FIGS. 5 to 9 described above, and transmits the transmitted specifications to the control means 3 as set values. Furthermore, the control means 3 controls the voltage conversion means 2 based on this set value to supply a desired voltage to the load 5.

According to the present invention, an IC memory or the like can be used for the signal output means 23, and more information can be transmitted to the outlet, thereby making it possible to supply more appropriate power.

Note that the specification of the load can be determined by the identification means 1 by the arrangement of the terminals 22.
It is also possible to make a determination of 0, and in this case, not only is there no need to provide a power source for signal output on the plug side, but also
It is also possible to supply normal commercial power when a conventional plug is plugged into an outlet.

When an IC memory is used as the signal output means 23 in the embodiment shown in FIG. 13, a power source is required to operate the IC, but in another embodiment of the present invention shown in FIG. It is characterized by being supplied from an outlet with a conversion function. That is, as shown in FIG. 14, a power source 37 is provided inside the outlet ↓, and power for operating the signal output means 23 is supplied from this power source. In addition, power supply 3
7 may be provided as an independent function inside the outlet 1, or may be created from the output of the converting means 2.

According to the present invention, power can be provided to the signal output means 23 in addition to the original power supplied to the load from the outlet, and the reliability of the function of transmitting the power specifications desired by the load can be improved. .

In the embodiment shown in FIG. 14, the driving power for the signal output means 23 is supplied from the power converting power outlet l-1.
The embodiment shown in FIG. 15 is characterized in that a driving power source 37 is provided inside the load 5.

According to the present invention, it is possible to provide the signal output means 23 with a stable power supply that does not depend on the output of the outlet 1, and there is an effect that reliability can be improved.

FIG. 16 shows, in the form of a flowchart, one embodiment of the operation flow of the power outlet with power conversion function according to the present invention. The flow of operation in this example is as follows from the first step described above.
Although it can be applied to the structure of each of the embodiments shown in FIGS. 15 to 15 (excluding FIGS. The flow of operations in the converting means 2 will now be described.

First, the user connects the outlet ■ and the load plug 4 according to the present invention ↓oO. After proper contact between the outlet terminal 6 and the plug electrode 7, the control means 3 reads 110 the power specification desired by the load 5. Here, the control means 3 determines whether or not the read specification has been transmitted correctly 11↓, and if it has not been transmitted or has been transmitted incorrectly, it does not supply power to the load 51. ↓2. On the other hand, if the specifications are correctly transmitted, the control means 3 starts driving the conversion means 2,
Control is performed 113 using the above specification as a set value by a PWM control pipe method so that the output of the converting means 2 becomes the specification value commanded by the load 5. In this way, the desired power is supplied to the load 5 114.

The operation of the embodiment shown in FIG. 16 is characterized in that the control stage 3 has a function of determining whether specifications have been correctly transmitted from the load 5, and this determination function has the effect of improving safety. There is.

In other words, if plugs of different shapes are connected and the specifications provided on the electrodes 7 of the plugs are difficult to identify, or as a result of poor contact between the output terminal 6 of the outlet and the electrodes 7 of the plugs, the specifications may be incorrect. If an incorrect voltage, current, or frequency is supplied to the load 5, the load 5 may be destroyed, which is dangerous. 1st
According to the operation shown in FIG. 6, no power is supplied to the load 5 in such a case, and it is safe. Incidentally, the above judgment function may be provided in the control means 3 as described above, or may be provided in the identification means 10.
You can prepare for it.

Next, another embodiment of the present invention is shown in FIG.

In the embodiment shown in FIG. 17, the control means 3 of the electrical outlet 1 with power conversion function shown in FIG. 1 is provided with a receiving means 24 for receiving on/off commands given from the outside. Note that the configuration other than the on/off command receiving means 24 is the same as that shown in FIG. 1, so a description thereof will be omitted here.

The operation of the embodiment shown in FIG. 17 will be explained with reference to the following FIG. 18.

Figure 18 shows the voltage input from the power supply to outlet 1,
It shows the waveforms of an off command, an on command input from the outside, and the voltage output to the load 5. In the same figure, when the OFF command is manually input as a high-level signal, the load 5
The supply of power to is stopped and the output voltage becomes zero. Next, when the ON command is input as a high level signal, the supply of power to the load 5 is restarted. In this way, the present embodiment is characterized in that transmission of power to the load 5 can be stopped or started at any time by giving an external off or on command.

According to the present invention, the outlet 1 has the function of a switch, and has the effect of realizing high functionality.

Next, in another embodiment shown in FIG. 19, a load 5
The device is characterized in that it is provided with receiving means 24 for receiving a command representing the maximum value of the current to be supplied to the device. In addition, the receiving means 2
Since the configurations other than 4 are the same as those in the first drawing, detailed explanation will be omitted. The operation of the embodiment shown in FIG.
This will be explained using Figure 0.

Figure 20 shows the voltage input from the power supply to outlet 1,
The figure shows the current supplied to the load 5, the maximum current command value given to the control means 3 from the outside, and the waveform of the voltage output to the load 5. Note that any device may be used to transmit the maximum current command value, but here it is assumed that the maximum current command value is given from the load 5.

In the figure, when the load current exceeds the maximum allowable current level, the load 5 transmits the maximum current command value to the control means 3. When the above-mentioned command value is given, the control means 3 instructs the conversion means 2 to perform an operation to protect the load 5.There are various methods for this operation of protecting the load 5, but in the embodiment shown in FIG. 5 shows an example in which the supply of power to the load 5 is stopped and the current and voltage output to the load 5 are set to zero. According to the functions of this embodiment, the load 5 can be protected in the event of a load short circuit, etc.
It has the effect of improving safety. The maximum current command value may be given as a signal indicating the generation of the maximum current as in this embodiment, or may be given in advance as a specification of the maximum value of current allowed by the load. Alternatively, when the maximum current is generated, the supply of power to the load 5 may be stopped as in this embodiment, or the current supplied to the load 5 may be maintained below a permissible value.

The embodiment shown in FIG. 21 is a sectional view of a power converter power socket l-1 according to the present invention. In this embodiment, the connection portion between the output terminal 6 and the electrode 7 of the plug 4, the conversion means 2, the control means 3, and the identification means 10 are covered with a cover made of an electrically insulating member. The feature of this embodiment is that the identification means 1O is molded inside the cover with an insulating member. What is molded inside the cover may be the identification means 10 as in this embodiment, the control means 3, or the conversion means 2.

As described above, according to the present invention, there is an effect that it is possible to downsize the mounting of the outlet.

Another feature of this embodiment is that a shielding material 26 is provided on the inner surface of the cover to prevent noise generated from the conversion means 2 from leaking to the outside or noise from entering from the outside. Note that the shielding material may be provided on the inner surface of the cover 25 as in this embodiment, or may be provided on the outer surface.

According to the present invention, the intrusion or generation of noise is prevented,
This has the effect of improving the reliability of equipment.

The embodiment shown in FIG. 22 has a conversion means 2 connected to a power source.
The main feature is that the input terminal 27 of the power supply and the output terminal 28 of the power supply are detachable. According to this structure, the receptacle with power conversion function 1 of the present invention can be easily moved or carried, and has the effect of widening the range of uses.

The embodiment shown in FIG. 23 uses a power converter power outlet 1-1-1.1-2 according to the present invention to connect a plurality of loads 5-1, 5-2 and 5-3 from a common power source. This represents a power supply system that supplies power with different specifications. Here, as shown in outlet L-2, the outlet with a power conversion function according to the present invention has a plurality of output functions at ↓, and may simultaneously supply power of different specifications to a plurality of loads.

According to the present invention, there is an effect of improving usability for the user, such as being able to use products from other countries with different power specifications.

The embodiment shown in FIG. 24 shows a power receiving system for a load in which an outlet with a power conversion function according to the present invention is interposed between the power source and the power source. In the same figure, 1 is an outlet with a power conversion function, and the structure is the same as that shown in the embodiment shown in the construction drawing 9, so the explanation will be omitted.9 The features of this embodiment are as follows.
This is in the power reception mode of load 5. Conventionally, the load was W3. When receiving power from g via an outlet, a power conversion means such as a switching regulator is required between the plug 4 and the power supply target 29 inside the product 5, and a stable voltage is required. Loads etc. were equipped with these power conversion means inside.

However, according to the present invention, the plug 4 and the power supply target 29 inside the load 5 only need to be connected by the wiring 30, and there is no need to provide a power conversion means inside the load. As described above, the feature of this embodiment is that by interposing the electrical outlets 1 to 1 with a power conversion function according to the present invention between the load and the power source, no power conversion means such as a switching regulator is provided inside the load. . According to this embodiment, it is possible to reduce the size of the load.

The embodiment shown in FIG. 25 shows a load control method using the outlet 1 with power conversion function according to the present invention. In this embodiment, the outlet 1 is provided with a conversion means 2 and a control means 3, similar to the embodiment shown in FIG. t. Here, the feature of this embodiment is that it includes a signal receiving means 24 and controls the negative 41j5 by transmitting a control signal from an external signal transmitting means 3. Here, the receiving means 24 may be provided inside the outlet or, as shown in this embodiment, may be provided outside the outlet l. Further, the signal transmitting means 31 may be a propagation means such as radio waves, sound waves, or light that does not require wiring, as shown in this embodiment, or may be an electric signal using wiring. According to this embodiment, a command is transmitted from the signal transmitting means 31 to the receiving means 24, and the receiving means 24 transmits the said command to the control means. The content of the above-mentioned command is arbitrary, such as supplying or stopping power to the load, or changing the specification of power desired by the load. As described above, according to this embodiment, the outlet with a power conversion function can be used as a load control means, and has the effect of realizing high functionality.

〔Effect of the invention〕

According to the power outlet with power conversion function of the present invention, it is possible to supply power of any specification desired by the load, and in addition to being able to connect loads with different power specifications to a common power source, it is possible to improve the efficiency of the load. It has the effect of improving In addition, it is possible to control the zero (supply and cut-off) of power to the load using external signals, and the function to diagnose the current capacity of the load makes it possible to protect the load in the event of an accident such as a load short circuit. Further, by supplying power to a load using the power converting power outlet of the present invention, a switching power supply or the like that was conventionally required inside the load becomes unnecessary, and the load can be made smaller.

[Brief explanation of drawings]

Fig. 1 shows the first embodiment of the present invention, Fig. 2 shows the second embodiment of the invention, Fig. 3 shows the third example #i of the invention, and Fig. 4 shows the present invention. A fourth embodiment of the invention, FIG. 5 shows a fifth embodiment of the invention, FIG. 6 shows a sixth embodiment of the invention, and FIG. 7 shows a seventh embodiment of the invention. FIG. 8 shows an eighth embodiment of the present invention, in particular, the first embodiment regarding the conversion means,
FIG. 9 shows a ninth embodiment of the present invention, in particular, a second embodiment regarding the conversion means, FIG. 1O shows an upper embodiment of the plug with an information transmission function according to the present invention, and FIG. 2 shows the first embodiment of the present invention, in particular, the first embodiment regarding the identification means, and FIG. 2 is the second embodiment of the plug with an information transmission function according to the present invention. is the first aspect of the present invention
FIG. 14 shows a fourth embodiment of the present invention, particularly a second embodiment regarding the identification means.
5 shows a fifteenth embodiment of the present invention, FIG. 16 is a flowchart showing the operation of an outlet with a power conversion function according to the present invention, and FIG. 17 shows a first embodiment of the seventeenth embodiment of the present invention.
8 shows waveforms showing the operation of the embodiment of FIG. 17, FIG. 19 shows the waveform of the 18th embodiment of the present invention, FIG. 20 shows waveforms showing the operation of the embodiment of FIG. 19, and FIG. FIG. 22 shows the 20th embodiment of the present invention, and FIG. 23 shows the 23rd embodiment of the present invention.
The figure shows the first diagram regarding the power supply system to a load according to the present invention.
FIG. 24 shows a first embodiment of a load power receiving system according to the present invention, FIG. 25 shows a first embodiment of a load control system according to the present invention, and FIG. 26 shows a conventional technology. FIG. 27 shows a conventional AC-DC converter. DESCRIPTION OF SYMBOLS 1... Outlet with power conversion function, 2... Conversion means, 3 - Control means, 4... Plug, 5... Load,
6... Output terminal, 7... Plug electrode, 8... Signal input terminal, 9 Signal output terminal, 10... Identification means, 1
1... Encoded specifications, 12... Display means, 13
... Rectifier, 14 ... Filter, 15 ... Inverter, L6 ... Transformer, 17 ... Cycloconverter, 18 ... Photocoupler, 19 ... Detection means. 2
0... Line representing specifications, 21... Terminal, 22...
Signal output terminal, 23... Signal output means, 24... Receiving means, 25... Cover, 26... Shield material, 27...
- Input terminal, 28... Power supply terminal, 29 - Power supply target. 30...Wiring, 3l...Signal transmission means, 32.
...Smoothing capacitor, 33...Tap switching means, 3
4...AC-DC converter, 35 Fig. 1 Fig. 2 Fig. 3 Fig. 5 Fig. 6 Fig. 7 Fig. 8 Fig. 9 Fig. 10 Fig. l Fig. 11 Fig. 12 Fig. 14 Fig. 2 Fig. 15 Fig. 16 Fig. 17 Fig. 18 S Fig. 19 Fig. Winning 20 Fig. 21 Fig. 22 Fig. Tara 23 Fig. 24 Fig. 1 Lol 25 Fig. Broom 26 Fig. 27

Claims (1)

[Claims] 1. In an outlet that is interposed between a power source and a load and transmits power from the power source to the load, a conversion means that converts the power from the power source into power of arbitrary specifications, and a power outlet desired by the load. A specification setting means for setting specifications, a control means for controlling the conversion means so that the output of the conversion means becomes an output value of the specification setting means, and a means for supplying the output of the conversion means to the load. An outlet with a power conversion function. 2. The electric power converter according to claim 1, further comprising information transmission means for encoding specifications desired by the load and transmitting the encoded specifications from the load to the control means. Outlet. 3. The power conversion function according to claim 1, characterized by comprising a storage means for storing in advance a plurality of specifications desired by the load, and a switch means for selecting the stored specifications. Outlet. 4. The outlet with a power conversion function according to claim 1, wherein the control means has a function of identifying a specification desired by the load. 5. The outlet with a power conversion function according to claim 2, wherein the information transmission means receives the desired specifications of the load through a dedicated input terminal or a plug that supplies power to the load. . 6. In claim 2, the first power supply means supplies power to the signal output means of the load, and the second power supply means outputs power according to the encoded specifications of the signal output means to the load. An outlet with a power conversion function characterized by being equipped with a power supply means. 7. In an outlet interposed between a power supply with different power specifications and a load, a conversion means for converting the power from the power supply into power of an arbitrary specification, a specification setting means for setting the specifications desired by the load, and the above-mentioned A power conversion function characterized by comprising: control means for controlling the conversion means so that the output of the conversion means becomes the output value of the specification setting means; and means for outputting the output of the conversion means to the load. with outlet. 8. The power conversion function according to claim 7, characterized in that the specifications desired by the load are encoded, and information transmission means is provided for transmitting the encoded specifications from the load to the control means. with outlet. 9. The outlet with power conversion function according to claim 7, characterized in that it comprises a storage means for storing in advance a plurality of specifications desired by the load, and a switch means for selecting the stored specifications. 10. The outlet with a power conversion function according to claim 7, wherein the control means has a function of identifying a specification desired by the load. 11. The outlet with a power conversion function according to claim 8, wherein the information transmission means receives the desired specifications of the load through a dedicated input terminal or a plug that supplies power to the load. . 12. In claim 8, a first power supply means supplies power to a signal output means of a load, and a first power supply means outputs power from the signal output means according to the encoded specification to the load. 2. An electrical outlet with a power conversion function characterized by being equipped with a power supply means. 13. An electrical outlet with a power conversion function, characterized in that the electrical outlet has a display means for displaying current output specifications. 14. In an outlet with a power conversion function that is interposed between a power source and a load and transmits power from the power source to the load, there is a conversion means that converts the power from the power source into power with arbitrary specifications, and a power converter with the specifications desired by the load. an identification means having a function of reading and outputting a set value; a control means that receives the set value and controls the converting means so that the output of the converting means becomes the set value; An outlet with a power conversion function, characterized in that it comprises means for outputting to the load. 15. The power conversion device according to claim 14, characterized in that the specifications desired by the load are encoded, and information transmission means is provided for transmitting the encoded specifications from the load to the control means. Functional outlet. 16. The outlet with a power conversion function according to claim 14, characterized by comprising a storage means for storing in advance a plurality of specifications desired by the load, and a switch means for selecting the specifications. 17. The outlet with a power conversion function according to claim 15, wherein the information transmission means receives the desired specifications of the load through a dedicated input terminal or a plug that supplies power to the load. . 18. Claim 15, wherein the first power supply means supplies power to the signal output means of the load, and the second power supply means outputs power according to the encoded specifications of the signal output means to the load. An outlet with a power conversion function characterized by being equipped with a power supply means. 19. Claim 14, further comprising a cover formed of an electrically insulating member to prevent exposure of a connecting portion between the converting means and the load, and the converting means, the control means, or the identification An electrical outlet with a power conversion function, characterized in that at least one of the means is formed integrally with the cover using a member having electrical insulation properties. 20. The electrical outlet with a power conversion function according to claim 19, characterized in that the cover is provided with a shielding material on the inner or outer surface thereof to prevent emission or intrusion of electromagnetic noise. 21. In an outlet interposed between a power source with different power specifications and a load, a conversion means that converts the power from the power source into power of an arbitrary specification, and a function that reads the specifications desired by the load and outputs the set value. a control means that receives the set value and controls the converter so that the output of the converter becomes the set value; and a means that outputs the output of the converter to the load. An outlet with a power conversion function characterized by comprising: 22. The electrical outlet with a power conversion function according to claim 21, wherein specifications desired by the load are encoded, and information transmission means is provided for transmitting the encoded specifications from the load to the control means. An outlet with a power conversion function. 23. The electrical outlet with a power conversion function according to claim 21, further comprising a storage means for storing in advance a plurality of specifications desired by the load, and a switch means for selecting the stored specifications. Outlet with power conversion function. 24. The outlet with a power conversion function according to claim 22, wherein the information transmission means receives the desired specifications of the load through a dedicated input terminal or a plug that supplies power to the load. . 25. Claim 22, wherein the first power supply means supplies power to the signal output means of the load, and the second power supply means outputs power to the load according to the encoded specification of the signal output means. An outlet with a power conversion function characterized by being equipped with a power supply means. 26. An outlet with a power conversion function, comprising a conversion means for converting the voltage, current, or frequency of a power source to an arbitrary value desired by a load, and a power supply means for supplying the output of the conversion means to the load. An outlet with a power conversion function. 27. An outlet with a power conversion function, which is characterized in that the power from the power supply is insulated and transmitted to the load. 28. An outlet with a power conversion function, which is equipped with a transformer means, and is connected to the primary side of the transformer means, or
An electrical outlet with a power conversion function, characterized in that at least one of the following sides is equipped with a converter capable of converting a frequency. 29. An outlet with a power conversion function, which rectifies the voltage received from a power source into a DC voltage, and then converts the DC voltage into power desired by a load. 30. An electrical outlet with a power conversion function, comprising a conversion means including at least a rectification means, a smoothing means, a frequency conversion means, and a transformer means, and an output detection means, and a detection result or output of the detection means. and a control means for controlling the conversion means according to a set value of the power conversion function. 31. An electrical outlet with a power conversion function, which starts supplying power to the load after normally reading a signal from the load. 32. The outlet with a power conversion function according to claim 31, characterized in that it has a function of receiving a signal instructing the supply or cutoff of power to the load. 33. The outlet with a power conversion function according to claim 31, characterized by having a function of receiving a signal instructing the maximum value of the current to be supplied to the load. 34. An electrical outlet with a power conversion function, which includes an input terminal for receiving power, and the input terminal has no mechanical contact,
An outlet with a power conversion function, characterized in that it has a function of receiving or cutting off the power source by disconnecting the power source. 35. In a plug connected to an outlet interposed between a power source and a load, information characterized in that it has a terminal connected to a power output terminal of the outlet, and information encoded in the terminal is provided. Plug with transmission function. 36. The plug with an information transmission function according to claim 35, wherein the encoded information is provided in a shape that projects on the terminal surface or in a shape that the terminal surface is depressed. 37. The plug with an information transmission function according to claim 36, wherein the encoded information is displayed on the surface of the terminal. 38. A plug with an information transmission function, which is connected to an outlet interposed between a power source and a load, and is characterized by having a terminal for receiving electric power and a terminal for outputting a signal. 39. In a plug connected to an outlet interposed between a power source and a load, a signal output means for transmitting a desired power specification of the load to the outlet, and a signal output means for transmitting power to the outlet for driving the signal output means. A plug with an information transmission function, comprising: a first power receiving means for receiving power from the outlet; and a second power receiving means for receiving power from the outlet for driving the load. 40. In a power supply system that supplies power from a power source to a load, by interposing an outlet with a power conversion function between the power source and the load, it is possible to supply power with different specifications from the power source to a plurality of loads. Characteristic power supply system. 41. In a power supply whose power specifications fluctuate and a power supply method that supplies power from the power supply to a load, an outlet with a power conversion function is interposed between the power supply and the load in order to supply stable power to the load. A power supply method characterized by 42. In a control method for a load that receives power from a commercial power source, an outlet with a power conversion function is interposed between the commercial power source and the load, and the outlet with a power conversion function receives a signal from the outside. A load control method characterized by having a function of changing the specification of electric power supplied to the load or cutting off the electric power, and controlling power supply to the load using the function. 43. In a control method for a load supplied with power from a power supply whose power specifications fluctuate, an outlet with a power conversion function has the ability to change the output power specifications or cut off power based on signals received from the outside. A control method for a load, characterized in that the power supply to the load is controlled by interposing the power supply and the load between the power supply and the load and controlling the power conversion function-equipped outlet based on the signal from the outside.