JPH1198711A - Power feeding apparatus with charge storage function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a power storage device usable as a power supply for another load through separation and movement of a DC power supply as needed, by configuring it to make separable from the main body of a power feeding apparatus. SOLUTION: In a power feeding apparatus 20, providing a charger 23 mounted on a main body 22 of the power feeding apparatus 20 connected with an AC power supply 21, a plurality of couplers 32a,..., and a plurality of couplers 33a,... are attached to a power storage device 31 connected with the charger 23 to so mount on the couplers a plurality of cells 24a,... as to make possible their separated uses. Further, in the battery cell 24a,..., connecting the single or plural batteries in series, parallel or serial-parallel with each other, they are stored in a single case, etc., to make them usable as a module of the single battery unit 24a, a plurality of cell units 24a, 24b,..., or the power storage device 31 by their separations from the main body 22 of the power feeding apparatus 20. As a result, since the power storage device 31 can be separated from the main body 22 of the power feeding apparatus 20 to use it as a power supply for another load, the use of the power storage device 31 can be augmented.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power supply device having a power storage function, and more particularly to a power supply device having a power storage function in which a power storage device or the like is separated and used as a power source for another load.

[0002]

2. Description of the Related Art Generally, a power supply device 10 having a power storage function is provided with a charging device 12 receiving power supply from an AC power source 11, as shown in FIG.
A power storage device 13 that is charged by the charging device 12 and a power conversion device 14 that converts the power of the power storage device 13 by DC / AC or DC / DC are included in the power supply device body 1
5, the AC power is converted into a DC voltage, which is converted into an AC voltage of an appropriate frequency or a DC voltage of an appropriate voltage and supplied to the load 16.

The power supply device having the power storage function is effective as a fixing type power supply used indoors or the like, but is not suitable as a portable type power supply used for leisure goods.

In particular, recently, there has been a long-awaited demand for using a DC power supply as a portable type, but there have been few suitable power supplies satisfying this demand.

Accordingly, an object of the present invention is to provide a power supply device having a power storage function in which a power storage device or the like, which is a DC power supply, is separated and moved as necessary to be used as a power source for another load. Things.

[0006]

According to the present invention, there is provided a power supply device having a power storage function, comprising a charging device and a power storage device charged by the charging device in a power supply device main body.
The power storage device is separated from the power supply device main body, and the separated power storage device is used as a power source of another load, thereby providing a power supply device having a power storage function.

The power storage device of the present invention includes a plurality of battery units in which one or a plurality of batteries are connected in series, in parallel, or in series / parallel, and is provided with a power supply device having a power storage function. To provide.

Further, the present invention provides a power supply device having a power storage function, wherein one or a plurality of battery units are separated from a power storage device, and this battery unit is used as a power source for another load. To provide.

Further, the present invention provides a power supply device having a power storage function, wherein the power supply device body of the present invention is provided with a recognition device for recognizing a separated state of a battery unit provided in the power storage device. is there.

[0010] Furthermore, the recognition device of the present invention provides a power supply device having a power storage function, which has a display device.

Further, the power supply device of the present invention is provided with a charge control unit for controlling charging of one or a plurality of battery units used separately from the power storage device. It is intended to provide a power supply device having the same.

Further, the charging control section of the present invention is provided with a connection control section for connecting one or more separately used battery units to another battery unit after being charged. An object of the present invention is to provide a power supply device having a function.

Further, the power supply device of the present invention is provided with a discharge device for preventing a memory effect of a battery unit used separately from the power storage device, wherein the power supply device has a power storage function. Is provided.

Furthermore, when the battery unit used separately from the power storage device is returned to the power storage device, the locking device cannot be separated until at least another battery unit is used separately. And a power supply device having a power storage function.

Further, the lock device of the present invention provides an electric power supply device having a power storage function, which is an electromagnetic lock device or a mechanical lock device.

Further, the present invention provides a power supply device having a power storage function, wherein each of the battery units of the present invention is provided with a power amount integrating device for integrating the power amount.

Furthermore, a power supply device having a power storage function including a charging device of the present invention, a power storage device charged by the charging device, and a power conversion device for receiving the power of the power storage device and supplying power to a load. Wherein the power storage device is separated from the power supply device main body together with the power conversion device, and the separated power storage device and the power conversion device are used as power sources for other loads. An apparatus is provided.

Furthermore, the power converter of the present invention has a DC /
An object of the present invention is to provide a power supply device having a power storage function, which converts AC or DC / DC power.

Further, the power converter of the present invention is provided with a power supply device having a power storage function, characterized by comprising means for storing the amount of power used.

[0020]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a power supply device having a power storage function according to the present invention will be described below with reference to the accompanying drawings.

Power supply device 2 having power storage function of the present invention
1, a charging unit 23a and a control unit 23 connected to an AC power supply 21 and mounted on the power supply device main body 22 as shown in FIG.
A charging device 23 having b and the like is provided.

The charging section 23a is composed of a rectifier or the like, and converts a commercial frequency alternating current supplied from the alternating current power supply 21 into an appropriate direct current voltage, and charges a plurality of battery units 24a,. It has become.

The control unit 23b is composed of a microcomputer or the like, stores various programs necessary for the power supply device 20, and controls the switch S1 according to the charging / discharging current i flowing through the battery units 24a,. ,…,
By controlling the control switch and the like, the charge and discharge of the battery units 24a,... Are controlled.

The charging device 23 is connected via a switch S1 to a refresh discharging device 25 for preventing a memory effect of a battery mounted on the power supply device main body 22.

This discharging device 25 is composed of a resistor 26 and a refresh switch 27, and is provided with a battery unit 24a.
,.., And the refresh switch 27 of the discharge device 25 are controlled to be opened and closed by the control unit 23b to provide a memory effect such as a nickel cadmium (NiCd) battery, a nickel (NiMn) battery, or the like. The purpose is to completely discharge the battery and extinguish its memory effect.

The power storage device 31 is connected to the charging device 23 via the switch S1, the couplers 29a,..., The couplers 30a,. The power storage device 31 includes a plurality of couplers 3 at intervals.
, A coupler 33a,..., And a plurality of battery units 24a,.

The battery units 24a,... Are connected in series or in parallel or in series / parallel, and are housed in one case or the like. A single battery unit 24a, , Or the unit of the power storage device 31 is used separately from the power supply device main body 22.

The battery unit 2 of the power storage device 31
At the lower part of 4a... As shown in FIG.
, Which are controlled by the control unit 23b of the charging device 23 mounted on the charging device 23, and the recognizing devices 36a,.
Are provided to limit removal of the battery units 24a,... From the power supply device main body 22, and to recognize whether or not the battery units 24a,. Has become.

Each of the lock devices 35a,... Comprises a drive section 35aa, such as an electromagnetic solenoid, and a stop section 35ab, such as a pin, which is driven and controlled by the drive section 35aa, and the battery units 24a,. When the battery unit 24a is returned to the power storage device 31, the stop units 35ab,.
Is locked so that the separation is temporarily stopped until another battery unit, for example, 24b, is separated and returned to the power storage device 31.

As the lock devices 35a, locks such as mechanical locks can be used in addition to the electromagnetic solenoid type.

Are constituted by micro switches 36aa,... And LEDs 36ab,..., And when the battery units 24a,. 36aa,…,
Are closed, and the LEDs 36aa,... Are turned on to make the user or the like aware.

The recognition devices 36a,.
The user may be notified by voice or the like in addition to the lighting types such as ab,.

The power converters 37 mounted on the power supply main body 22 are connected to the couplers 29a and 30a via switches S2. The power converter 37 is provided with input-side couplers 38a, 38b and load-side couplers 39a, 39b, and a power converter (not shown) such as a DC / AC or DC / DC provided therein. An output control unit for controlling the output is connected.

The couplers 39a, 3 of the power converter 37
A load 40 is connected to 9b via a switch S3 to drive the load.

The operation of the thus-configured power supply device 20 having a power storage function will be described.

First, the case where all the battery units 24a,... Of the power storage device 31 are charged will be described.

To perform this charging, the switch S1 and the control switch 2 are controlled by the charging control program of the control unit 23b.
8a,... Are closed, and all battery units 24a,.
Is connected to the charging section 23a.

With this connection, the electric power from the AC power supply 21 is supplied to the charging unit 23a by the charging unit 23a, for example, for DC 24V, 48V, 9
, Etc., and the output voltage charges all the battery units 24a,... To a predetermined potential.

When all the battery units 24a,... Are charged to a predetermined value, the switch S1 and the control switches 28a,... Are opened by the charge control program to stop charging and complete the charge control.

The control unit 2 controls charging of one or more battery units 24a,... Of the power storage device 31.
The selection charge control program 3b is selected. The control switches 28a,... Are selected and closed so that one or a plurality of battery units 24a,... To be charged by the selective charge control program are selected, and the corresponding battery units 24a,. Connect to

The selected one or a plurality of battery units 24a are charged by the output voltage of the charging unit 23a, and when charged, the charging is stopped to complete the charging control.

The charged battery units 24a,...
In order to supply power to the load 40 via the power converter 37 by the power storage device 31 having the power supply device 37, the switches S2 and S3 are closed by the discharge control program of the controller 23b, and the appropriate frequency converted by the power converter 37 is applied. AC power or DC power of an appropriate value is supplied to the load 40.

The battery unit 24a of the power storage device 31
When using as a power source for lighting a campground and a power source for a motor at a boatyard, the required number of battery units 24a,... Or all battery units 24a,. The device 31 is separated and taken out.

The battery units 24a,... Are connected to a lighting and a motor and used as a lighting power supply and a motor power supply.

.., Or all the battery units 24a,... May be recharged in substantially the same manner as in the initial charging.

In such charging, the battery units 24a,
,.., And the amount of electricity used, that is, the amount of electricity calculated by the discharge current i and the discharge time h used by the battery units 24a,.
By performing a calculation process using the discharge control program 3b and charging the battery to a value of about 105% of the calculated value, the battery can be fully charged to a value substantially similar to the initial charge value.

When one or more of the battery units 24a,... Are used separately, it is checked whether this is returned to a predetermined position of the power storage device 31 and set properly. There is a need.

When the battery units 24a,... Are returned to the power storage device 31, the case ends of the battery units 24a,... Are brought into contact with the microswitches 36aa,. When the contacts of the micro switches 36aa,... Are closed, the LEDs 36ab,... Are energized by the recognition control program of the control unit 23b, and are turned on, and the battery unit 24a. Recognize that.

Further, when the battery units 24a,... Are separately used only for the same battery units 24a,.

The battery units 24a,..., Which have been separately used and returned so as not to bias the use of the battery units 24a,.
4b, ... are used separately and locked so that they cannot be used until they are returned.

To perform this lock, the micro switch 3
When the contacts of 6aa,... Are closed, the drive unit 3 of the lock devices 35a,.
Are driven, the pins of the stop portions 35ab,... Are applied to the ends of the cases of the battery units 24a,... Until the other battery units 24b,. The battery units 24a,... Are temporarily stopped from being separated.

By this stop, the specific battery unit 24a
,... Are avoided, and the life of the specific battery units 24a,.

Furthermore, some of the battery units 24a,... Have a memory effect such as a nickel cadmium (NiCd) battery, a nickel (NiMn) battery, or the like.

The battery unit 2 having this memory effect
In order to charge the battery units 4a,..., It is necessary to fully discharge the battery units 24a,.

When the battery units 24a,... Having such a memory effect are charged, the battery units 24a,... Are detected in advance by the refresh control program of the control unit 23b based on the power consumption, the discharge power, and the like.

The detected battery units 24a,.
Closes the refresh switch 27 and the control switch 28a according to the refresh control program.
are connected to the resistor 26. By this connection, the electric power of the battery units 24a,... Is consumed by the resistor 26 and completely discharged and disappeared.

When the discharge is completed, the refresh switch 27 is opened by the refresh control program, the switch S1 is closed, and the battery units 24a,... Are fully charged to the initial charge value. By this discharging operation, the battery units 24a,... Having the memory effect are properly and fully charged.

FIG. 3 shows a plurality of battery units 24a,... Of a power storage device 31 connected in series. In FIG. 1, a plurality of battery units 24a,... Of the power storage device 31 are connected in parallel to increase the current capacity. However, a plurality of battery units 24a,. The power is doubled and supplied to the load 40 and the like.

In order to connect the battery units 24a,... In series, a series connection line 50ab is connected between the coupler 33a at the lower end of the battery unit 24a and the coupler 32b at the upper end of the next battery unit 24b. A series connection line 50bc is connected between the coupler 33b at the lower end of the battery unit 24b and the coupler 32c at the upper end of the next battery unit 24c, and so on. Coupler 3
3n-1 and the coupler 3 at the upper end of the next battery unit 24n
2n and a series connection line 50n-1n.

Further, the coupler 30a and the coupler 33a, the coupler 30b and the coupler 33b,..., The coupler 30n and the coupler 3
Control switches 28aa, 28bb,..., 26nn
Connect.

The charging of the battery units 24a,... Of the power storage device 31 connected in this manner is substantially the same as that in the case of the parallel connection, but the charging voltage differs depending on the number of the battery units 24a,. The magnification is increased by the number of connections or reduced by the number of connections by the serial control program stored in the controller 23b.

In this manner, a plurality of battery units 24
,... can be used as a whole or one or more of them can be used separately, and the whole or one or more can be charged.

In addition, control such as recognition, lock, and discharge can be performed in the same manner as in the case of parallel connection.

FIG. 4 shows Ah in the battery units 24a,.
The accumulators 60a,..., Are incorporated, and the amount of electric power used is easily integrated.

The Ah integrating devices 60a,.
, And the battery element group,..., A resistor 61a,
, Are provided, and an amplifier 62 is connected to the resistors 61a,.
Ah having a microcomputer or the like via a,.
, Are connected.

A current i when charging or discharging the battery units 24a,... Flows through the resistors 61a,..., And the current i is amplified and used or discharged by the Ah integrating sections 63a,. Calculate and store the power consumption integrated in. This value is sent to a charge control unit 23bb provided in the control unit 23b to control the control switches 28a,..., The control switches 28aa, etc., and to control the charging so that the battery units 24a are not overcharged.

A battery voltage detecting device 64a,... Is connected to the battery units 24a,..., And sends a voltage value detected by the battery voltage detecting device 64a to a discharge control unit 23bc provided in the control unit 23b. Is controlled so as not to be overdischarged.

In the above embodiment, only the power storage device 31 is separated. However, the power storage device 31 and the power converter 37 are used separately and used for DC / AC conversion and DC / AC conversion.
DC conversion power may be supplied to another load. In this case, the storage means of the used electric energy is used as the power converter 3
7 can be provided.

In this way, the range of use as a portable power storage device or a power storage device and a power converter can be greatly expanded.

[0070]

According to the present invention, in a power supply device having a power storage function, the power storage device is separated from a power supply device main body.
Since the separated power storage device is used as a power source for another load, the use of the power storage device can be expanded.

Further, since the power storage device of the present invention is provided with a plurality of battery units in which one or more batteries are connected in series, in parallel, or in series / parallel, any voltage and power can be obtained.

Further, according to the present invention, one or a plurality of battery units are separated from the power storage device, and this battery unit is used as a power source for another load.

Furthermore, since the power supply device body of the present invention is provided with a recognition device for recognizing the separated state of the battery unit provided in the power storage device, it is possible to grasp the past state of the separated use of the battery unit. .

Further, since the recognition device of the present invention has the display device, the user can easily know the past separated use situation.

Furthermore, the main body of the power supply device of the present invention is provided with a charge control section for controlling charging of one or a plurality of battery units used separately from the power storage device. It can be charged without adverse effects.

Further, the charge control unit of the present invention is provided with a connection control unit for connecting one or more separately used battery units to another battery unit after the battery unit is charged. It can be stable.

Further, since the power supply device body of the present invention is provided with a discharge device for preventing the memory effect of the battery unit used separately from the power storage device, it is possible to reliably charge the battery unit. it can.

Further, when the battery unit used separately from the power storage device is returned to the power storage device, the lock device cannot be separated until at least another battery unit is used separately. Is provided, so that the use of the battery unit is not biased and the life thereof is not shortened.

Further, since the lock device of the present invention is an electromagnetic lock device or a mechanical lock device, various lock devices can be used.

Further, by using the battery unit of the present invention provided with the power amount integrating device for integrating the power amount, accurate charging and discharging of the battery unit can be performed.

Further, in the power supply device having a power storage function of the present invention, the power storage device is separated from the power supply device main body together with the power conversion device, and the separated power storage device and the power conversion device are used as power sources for other loads. Since it is used, the use can be expanded to various loads.

Further, the power converter of the present invention has a DC /
Since it converts AC or DC / DC power, its use can be expanded.

Further, since the power converter of the present invention is provided with a means for storing the amount of power used, it is possible to perform reliable charge / discharge control.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an outline of a power supply device having a power storage function of the present invention.

FIG. 2 is a block diagram extracting and showing a part of FIG. 1;

FIG. 3 is a block diagram illustrating another power storage device.

FIG. 4 is a block diagram showing another battery unit.

FIG. 5 is a block diagram showing an outline of a conventional power supply device having a power storage function.

[Explanation of symbols]

 10, 20 power supply device 11, 21 AC power supply 12, 23 charging device 13, 31 power storage device 14, 37 power conversion device 15, 22 power supply device main body 16, 40 load 23a charging unit 23b control unit 24a, ..., battery unit 25 Discharge device 35a, ..., Lock device 36a, ..., Recognition device 60a, ..., Ah integrating device

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification code FI H02J 7/00 301 H02J 7/00 301A

Claims (14)

[Claims] 1. A power supply device having a power storage function including a charging device and a power storage device charged by the charging device in a power supply device main body, wherein the power storage device is separated from the power supply device main body and separated. A power supply device having a power storage function, wherein the power storage device is used as a power source for another load. 2. The power supply having a power storage function according to claim 1, wherein the power storage device includes a plurality of battery units in which one or more batteries are connected in series, in parallel, or in series / parallel. apparatus. 3. A power supply having a power storage function according to claim 2, wherein one or more battery units are separated from the power storage device, and this battery unit is used as a power source for another load. apparatus. 4. The power supply device having a power storage function according to claim 2, wherein a recognition device for recognizing a separated state of the battery unit provided in the power storage device is provided in the power supply device main body. 5. The power supply device having a power storage function according to claim 4, wherein the recognition device has a display device. 6. The power supply device according to claim 1, further comprising a charge control unit for controlling charging of one or more battery units used separately from the power storage device. A power supply device having a power storage function according to 2, 3, 4, or 5. 7. The charging control unit according to claim 6, further comprising a connection control unit for connecting one or more separately used battery units to another battery unit after charging. A power supply device having a power storage function. 8. The power supply device according to claim 1, further comprising a discharging device for preventing a memory effect of the battery unit used separately from the power storage device.
A power supply device having the power storage function according to 2, 3, 4, 5, 6, or 7. 9. The power supply device main body is provided with a lock device that cannot be separated when at least another battery unit is separated and used when a battery unit used separately from the power storage device is returned to the power storage device. The power supply device having a power storage function according to claim 2 or 3, wherein: 10. The power supply device having a power storage function according to claim 9, wherein the lock device is an electromagnetic lock device or a mechanical lock device. 11. The power storage device according to claim 2, wherein each of the battery units is provided with an electric energy integrating device for integrating the electric energy. Power supply device with functions. 12. A power supply device having a power storage function including a charging device, a power storage device charged by the charging device, and a power conversion device for receiving power of the power storage device and supplying power to a load. A power supply device having a power storage function, wherein the power storage device and the power conversion device are separated from the power supply device main body together with the power conversion device, and the separated power storage device and the power conversion device are used as power sources for other loads. 13. A DC / AC or DC power converter.
15. The power supply device having a power storage function according to claim 14, wherein the power supply device converts / DC power. 14. The power supply device having a power storage function according to claim 12, wherein said power conversion device has means for storing an amount of electric power used.