JP2001085070A - Battery, power supply control device, and charging device for strobe - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a battery allowing contacts to be concentrated, a power supply control device to hinder the current fed from the battery from exceeding the rated current determined according to the sort of battery, and a charging device capable of shortening the charging time. SOLUTION: The arrangement includes a single body of plus electrode 26 provided at one end 22 of a battery and a first 24 and a second minus electrode 28 provided at the same end 22. The plus electrode 26 and the first minus electrode 24 are located on the two sides of the under-part of the end 22. The electrode surface of the plus electrode 26 is formed with the end 22 to one end 22 of the first side face 25. The electrode surface of the plus electrode 26 is formed with the end 22 to one end 22 of the first side face 25. The electrode surface of the first minus electrode 24 is formed with the end 22 to one end 22 of the second side face 27. The second minus electrode 28 is located at the end 22 on its side with the first minus electrode 24.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery, a power supply control device, and a strobe charging device.
The present invention relates to a battery having a plurality of positive or negative electrodes, a power supply control device for controlling the supply of power to a power supply target according to the type of a power supply battery, and a charging device for charging a charge storage means for causing a strobe to emit light. .

[0002]

2. Description of the Related Art Hitherto, a large number of charging devices for charging a charge accumulating means such as a capacitor for emitting a strobe light have been proposed. For example, Japanese Patent Application Laid-Open Nos. 7-22191 and 8-122869 disclose such devices. Detects the voltage of the attached power supply battery, and controls the magnitude of the charging current based on the detected voltage to shorten the charging time.

[0003]

However, in recent years,
Although a plurality of types of batteries have come to exist, when the types of batteries are different, the characteristics of the dischargeable current and the output voltage of the power supply battery are different. That is, even if the output voltage is the same, the dischargeable current is different, and in a certain type of battery, the dischargeable current is not so different from the charge current value for charging the capacitor, but in other types of batteries, May be different. Therefore, it may take a long time (charging time) to complete the charging. Therefore, it is necessary to optimize the charging current according to the type of the battery and to shorten the charging time.

Further, the rated current is determined according to the type of the battery, and it is necessary that the current supplied from the battery does not exceed the rated current.

By the way, in order to detect the type of battery, conventionally, for example, Japanese Patent Application Laid-Open No. Hei 9-185963, a positive electrode is provided at one end, a negative electrode is provided at the other end, and a plurality of small electrodes are provided on a side surface. A battery has been proposed in which a small electrode is positively or negatively charged according to information such as the type of battery.

However, a battery provided with a positive electrode and a negative electrode at both ends and a plurality of small electrodes on the side surface so that the type of battery can be detected is an electrode for detecting information and a power supply voltage. Are dispersed, the contacts of these electrodes must also be dispersed.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and it is possible to prevent a battery capable of concentrating contacts and a supply current from the battery from exceeding a rated current determined according to a type of the battery. It is an object to provide a power supply control device and a charging device capable of reducing charging time.

[0008]

According to a first aspect of the present invention, there is provided a battery having a first electrode and a plurality of second electrodes having opposite polarities to the first electrode. And

As described above, since the first electrode and the second electrode are concentrated at one end of the battery, the contacts of the first electrode and the second electrode can be concentrated.

Further, the supply means according to the second aspect of the present invention supplies the power of the power supply battery to the power supply target.

[0011] The storage means is determined from the power consumption of the power supply target and the rated current of the power supply battery, and stores a cut-off voltage for the current supplied from the power supply battery not to exceed the rated current. It is stored corresponding to the type.

The type detecting means detects the type of the power supply battery, and the voltage detecting means detects the voltage of the power supply battery.

[0013] The judging means includes a cut-off voltage stored in the storage means corresponding to the type of the power supply battery, the type of the power supply battery detected by the type detection means, and the type of the power supply battery detected by the voltage detection means. Based on the voltage, it is determined whether or not the detected voltage of the power supply battery has become equal to or lower than the end voltage corresponding to the type of the detected power supply battery.

Here, the detected voltage of the power supply battery is:
If the supply voltage supplies the power of the power supply battery to the power supply target as it is below the final voltage corresponding to the type of the detected power supply battery, the supply current exceeding the rated current is supplied from the power supply battery. Will be supplied.

[0015] Then, when the judging means judges that the voltage of the detected power supply battery has become equal to or lower than the cut-off voltage corresponding to the type of the detected power supply battery,
The power supply to the power supply target is cut off. Therefore, it is possible to prevent the supply current from the battery from exceeding the rated current determined according to the type of the battery.

Here, the detecting means may be as follows.
A mounting means for mounting at least one end of the battery of claim 1, and a first means for mounting the battery of claim 1 on the mounting means.
The first electrode for the first electrode provided at a position corresponding to the first electrode
And a plurality of second contacts for the second electrode provided at positions corresponding to the plurality of second electrodes when the battery of claim 1 is mounted on the mounting means. Alternatively, the battery of claim 1 may be detected as one of the types of power supply batteries. Thereby, it is possible to configure a detection unit in which the first contact and the second contact are concentrated. The first contact and the plurality of second contacts may be fixed to one mold of the mounting means.

Further, in the above invention, as in claim 5,
Display means for displaying the state of the power supply battery may be provided in a manner determined according to the type of the power supply battery detected by the type detection means and the voltage of the power supply battery detected by the voltage detection means. Therefore, the user can easily grasp the state of the power supply battery.

In this case, the display means displays the state of the power supply battery in a different manner for each of a plurality of voltage ranges determined for each type of power supply battery. And
As in claim 7, the storage means stores the end voltage and the voltage before the end of the battery for a predetermined time before the voltage of the power supply battery becomes the end voltage,
When the detected voltage of the power supply battery is equal to or lower than the end voltage corresponding to the detected power supply battery type, the display unit stores the first voltage. When a warning is displayed and the detected voltage of the power supply battery is equal to or lower than the pre-termination voltage corresponding to the type of the detected power supply battery, a second warning display different from the first warning display is performed.

According to another aspect of the present invention, there is provided a power supply battery type detecting means for detecting a type of the power supply battery, and a charging current close to the optimum charging current including the optimum charging current of the detected type of power supply battery. A charging device for a strobe for supplying electric charge for accumulating electric charge for causing the strobe to emit light, wherein the type detecting means is attached to the mounting means for mounting at least the one end of the battery according to claim 1; A first contact for the first electrode provided at a position corresponding to the first electrode when the battery of item 1 is mounted, and a plurality of contacts when the battery of claim 1 is mounted on the mounting means. And a plurality of second contacts for a second electrode provided at positions corresponding to the second electrodes, respectively, so that one of the types of battery for power supply is provided.
Alternatively, the battery of claim 1 may be detected.

As described above, the charging current close to the optimal charging current including the optimal charging current of the detected type of battery is supplied to the charge storage means, so that the charging current according to the type of battery can be supplied. The charging time can be shortened, and the detection means in which the first contact and the second contact are concentrated can be configured. The first contact and the plurality of second contacts may be fixed to one mold of the mounting means.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of the present invention will be described in detail with reference to the drawings.

As shown in FIG. 1, a charging device 10 according to the first embodiment is provided in a camera (not shown) and serves as type detecting means for detecting the type of a battery 18 such as a three-electrode battery. The battery type detecting means 20 and a strobe unit 14 for emitting a strobe (flash discharge tube) (a strobe X1 described later with reference to FIG. 2) by an electric charge stored in a main capacitor (a main capacitor C1 described later with reference to FIG. 2). Strobe unit 1 including charging means 16
4 is provided with a control circuit 12. Control circuit 12
Is composed of a microcomputer including a CPU, a ROM, a RAM, and an input / output port.

As shown in FIG. 2, the strobe unit 14
The main components of the first embodiment will be described. C1 is a light-emitting capacitor, X1 is a flash discharge tube, T2 is a trigger coil, 5 is a trigger electrode connected to the secondary coil of the trigger coil T2, and Q6 is a control circuit shown in FIG. 12, the cathode side of the flash discharge tube X1 and the GND
And IGBTs respectively short-circuiting. T1 is an oscillation transformer, and D1 is a rectifying diode connected to a secondary coil of the oscillation transformer T1. Q1 is an oscillation transistor. R1 is a resistor for converting a charging current into a voltage. R2 and R3 divide the feedback terminal of T1 and the output voltage of the charging current conversion resistor R1 to apply a voltage to the transistor Q4.

Here, the operation of the flash unit 14 during flash charging will be described. First, when not charged, the control circuit 12 outputs Hi to the CEN terminal. Strobe charging can be started by applying a low output to the CEN terminal. When a Low output is applied to the CEN terminal, a short circuit occurs between the collector and the emitter of the transistor Q3. As a result, current is supplied to the base of the oscillation transistor Q1 through the resistor R5. When the oscillation of the oscillation transistor Q1 starts, the base current of the oscillation transistor Q1 mainly comes from the oscillation transformer T1 to the resistor R4.
Supplied by the current passing through it. When the oscillation current further increases, the voltage (N1) generated at both ends of the current flowing through the resistor R1 increases, and the voltage at the node N3 connected to the feedback terminal (N2) of the oscillation transformer T1 and the resistors R2 and R3 also increases. I do. Since this node is connected to the base of the transistor Q4, this node
Due to the increase in the voltage of (N3), the collector current of the transistor Q4 increases, and the base current of the oscillation transistor Q1 decreases. Therefore, the charging current of the strobe unit is settled at a position where the base current of the oscillation transistor Q1 is balanced.

As shown in FIG. 3, a three-electrode battery can be used as the power supply battery 18 in the present embodiment.
The three-electrode battery includes a single positive electrode 26 provided on one end 22 side and a plurality of (two as an example in the present embodiment) first negative electrodes 24 provided on one end 22 side.
A second minus 28. Plus electrode 26
And the first negative electrode 24 are arranged on both ends of the lower part of the one end 22 side. The electrode surface of the plus electrode 26 has one end 2
2 to one end 22 of the first side surface 25. The electrode surface of the first negative electrode 24 is formed from one end 22 to one end 22 of the second side surface 27. The second minus 28 is arranged on one end 22 side of the first minus electrode 24. First negative electrode 24
And the second minus 28 are electrically connected, but appear to be divided by a mold in appearance.

As shown in FIG. 4, the battery type detecting means 20
Is provided at a position corresponding to a connector 32 for mounting at least one end side of a battery such as the three-electrode battery and a positive electrode 26 fixed to one mold of the connector 32 when the three-electrode battery is mounted. First contact 38
And a plurality (2 in this embodiment) provided at positions corresponding to the first negative electrode 24 and the second negative electrode 28 when the three-electrode battery is mounted on the connector 32.
And the second contacts 36 and 40) to detect the three-electrode battery.

The first contact 38 is connected to the first
And a metal plate spring arranged so as to be in contact with the electrode surface on one end 22 side of the side surface 25. The second contact 36 is
The first negative electrode 24 is formed of a metal plate spring arranged to be in contact with the electrode surface on the one end 22 side of the second side surface 27 of the first negative electrode 24. The second contact 40 is configured by a contact pin attached via a spring 33 to a printed circuit board 34 fixed from the back side of the connector 32 in the battery insertion direction. It should be noted that a leaf spring may be used instead of the contact pin. The plus electrode 26, the first minus electrode 24, and the second minus electrode 28 have one end 22.
Since the first contacts 38 and the second contacts 36 and 40 are arranged intensively on the side, they are soldered to the same printed circuit board 34.

Next, as an operation of the present embodiment, a strobe charging light emission processing routine shown in FIG. 5 will be described. The flash charging light emission processing routine starts when the camera enters the shooting mode.

At step 52 in FIG. 5, Lo is applied to the CEN terminal.
w output. Thus, flash charging is started as described above. In step 54, the battery type detecting means 20
It is determined whether or not the type of the power supply battery 18 is a three-electrode battery based on the output of the power supply.

If the type of the power supply battery 18 is a three-electrode battery, Hi is output to the LC terminal in step 56. Here, in the case of a three-electrode battery, it has the characteristic of A shown in FIG. Voltage V1 which is a normal use area in the three-electrode battery (A)
Let us consider the case of The current output from the battery in this state is I1. On the other hand, the current used to charge the strobe unit is IV1 from FIG. From this result, when voltage V1 is applied, I1>
Since the relationship IV1 is satisfied, that is, the discharge current I1 of the three-electrode battery (A) is larger than the current value IV1 required by the present system for charging, the problem (the charging time does not increase) in the above strobe charging state is as follows. Absent. Therefore, as described above, Hi output is performed to the LC terminal.

On the other hand, when the type of the power supply battery 18 is a two-electrode battery, a low output is made to the LC terminal in step 58. Here, in the case of a two-electrode battery, it has the characteristic B shown in FIG. Consider the case of voltage V2, which is a normal use area in the two-electrode battery (B). The current that the battery can output in this state is I2. On the other hand, the current used to charge the strobe unit is IV2 from FIG. From this result, when the voltage V2 is applied, the relationship of I2 <IV2 is satisfied, that is, the two-electrode battery (B)
Is smaller than the current value IV2 required by the present system for charging, the protection circuit of the battery operates in the above strobe charging state, which leads to a system down. In order to avoid this system down, in the present embodiment, a Low output is output to the LC terminal. As a result, a short circuit occurs between the collector and the emitter of the transistor Q5, and N3
, The base current of the transistor Q4 increases, and the base current of the oscillation transistor Q1 decreases. As described above, the charging current of the oscillation transistor Q1 is reduced, so that the charging current can be set such that the system does not go down.

In the next step 60, the voltage of the main capacitor C1 detected by the voltage detecting means (not shown) is
It is determined whether or not the strobe can emit light. If the voltage of the main capacitor C1 is a voltage at which the strobe can emit light, Hi is output to the CEN terminal in step 62, and the strobe charging is stopped as described above.
By outputting Hi (light emission trigger SY) to the Y terminal, the cathode side of the flash discharge tube X1 and GND are short-circuited, and the flash discharge tube X1 emits light.

As described above, a charging current according to the detected battery type can be supplied.

Next, a second embodiment of the present invention will be described. This embodiment has substantially the same configuration as that of the above-described first embodiment.
The description of the same parts will be omitted.

As shown in FIG. 8, the charging device according to the present embodiment is the same as the charging device 1 according to the first embodiment described above.
0, furthermore, a battery voltage detecting means 76 connected to the control circuit 12, a display device 70 connected to the control circuit 12, a circuit power control means 72 whose on / off is controlled by the control circuit 12, a circuit power control means When the circuit power control means 72 is off, the connection with the battery 18 is opened, and the connection with the battery 18 is released. Is further provided with a signal processing circuit 74 for interrupting the supply of the signal.

Next, the operation of the present embodiment will be described. In the present embodiment, the above-described flash charging / light emission processing (FIG. 5)
9), a power supply battery state display processing routine shown in FIG. 9 is executed. The power supply battery state display processing routine is executed at predetermined time intervals.

That is, in step 78, it is determined whether the type of the power supply battery 18 is a three-electrode battery based on the output of the battery type detection means 20.

If the type of the power supply battery 18 is a three-electrode battery, a display control process for the three-electrode battery is performed in step 79.
If the type of the power supply battery 18 is a two-electrode battery, display and control processing for the two-electrode battery is performed in step 80.

Here, the display / control processing for the three-electrode battery,
Since the display / control processing for the two-electrode battery is substantially the same,
Only the display / control process for the three-electrode battery (step 79) will be described, and the description of the display / control process for the two-electrode battery (step 80) will be omitted. The difference between the display / control process for the three-electrode battery and the display / control process for the two-electrode battery is that the print end voltage (pre-end voltage) and the end voltage (end voltage) to be described later are different as shown in Table 1. On the point.

[0040]

[Table 1]

That is, the pre-end voltage and the end voltage are 3.0 V and 3.38 V for a two-electrode battery, and 2.6 V and 2.69 V for a three-electrode battery, respectively. The values are stored in correspondence with battery types (two-electrode battery, three-electrode battery).

Here, in the present embodiment, the pre-end voltage and the end voltage of each battery are determined as follows.

The maximum current (rated current) of a two-electrode battery is:
The maximum current (rated current) of a 1.5 [A] three-electrode battery is
1.8 [A], and the minimum voltage of the two-electrode battery is 2.8.
[V] The minimum voltage of the three-electrode battery is 2.6 [V].

The power consumption of the signal processing circuit 74 is 4.5.
[W], the end voltage of the two-electrode battery is 4.5.
[W] /1.5 [A] = 3.0 V, and the end voltage of the three-electrode battery is 4.5 [W] /1.8 [A] = 2.5 V.
However, it is 2.6 [V] due to the restriction of the minimum voltage.

The voltage of the two-electrode battery is the end voltage (3.0
V) is 67 minutes, as shown in FIG. 11, and the time when the voltage of the three-electrode battery reaches the end voltage (2.6 [V]) is 75 minutes.

When the pre-end voltage is set a predetermined time before the end voltage is reached (for example, 15 minutes in the present embodiment), the following is obtained. That is, a voltage (pre-end voltage) at a time (52 minutes) a predetermined time before the voltage of the two-electrode battery reaches the end voltage (3.0 V) (67 minutes) is 3.38 V
Becomes Also, the voltage of the three-electrode battery is the end voltage (2.6
V) (60 minutes) a predetermined time before (75 minutes)
(Pre-end voltage) is 2.96V.

Display / control processing for three-electrode battery (step 7)
9) As shown in FIG. 10, first, in step 82,
The voltage of the battery 18 is detected, and in step 84, it is determined whether the detected battery voltage is equal to or lower than the end voltage (2.6 V). If the battery voltage is greater than the end voltage, at step 86 the detected battery voltage is reduced to the pre-end voltage (2.
96V) is determined.

If the detected battery voltage is higher than the pre-end voltage, at step 88, a full battery remaining amount indicating that there is enough remaining battery amount is displayed.

If it is determined in step 86 that the detected battery voltage is equal to or lower than the pre-end voltage (the detected battery voltage is higher than the end voltage), the remaining time is used (15 minutes in the above example). Since the battery voltage is reached, a battery level warning indicating that the battery level is low is displayed, and in step 92, the circuit power control means is turned on.

If it is determined in step 84 that the detected battery voltage is equal to or lower than the end voltage, if the battery is used as it is, the supply current from the battery exceeds the rated current.
, A battery remaining amount indicating that there is no battery remaining is displayed, and in step 96, the circuit power control means is turned off.

As described above, the state of the power supply battery (remaining amount of battery) is displayed according to the detected voltage, so that the user can easily grasp the state of the power supply battery.

When the detected battery voltage becomes equal to or lower than the end voltage, the circuit power control means is turned off, so that the supply current from the battery can be prevented from exceeding the rated current.

In the above-described second embodiment, the battery voltage detected as the remaining battery level is displayed, but the present invention is not limited to this, and the remaining battery available level may be displayed. .

In the first and second embodiments, the charging means 16 of the strobe unit 14 is not limited to the above circuit.

In the first and second embodiments described above, one positive electrode and a plurality of negative electrodes of the battery are provided. However, the present invention is not limited to this. May be provided with a plurality of electrodes and one negative electrode (contacts may be made to correspond accordingly).

Here, the first contact 38 and the second contact 3
6, 40 will be described in detail. As shown in FIG.
The contact 38 of the metal plate spring portion 3 in contact with the plus electrode 26
8A and a plate portion 38C provided with a projection 38B that is connected to the metal plate spring portion 38A, enters the contact opening 31 of the printed circuit board 34, and is soldered to the printed circuit board 34. As described above, the protrusion 38B is connected to the contact opening 31.
The metal plate spring portion 38A is connected to the printed circuit board 34 via the plate portion 38C. The first contact 38 is brought into contact with the plus electrode 26 at a predetermined contact pressure by the metal leaf spring 38A. The second contact 36 has the same configuration as the first contact 38. The second contact 40 is soldered to the printed circuit board 34 through the spring 33 and into the contact opening 31. Since the second contact 40 is soldered to the printed circuit board 34 through the spring 33, the contact pressure to the second minus electrode 28 is improved.

[0057]

As described above, according to the present invention, since the first electrode and the second electrode are concentrated on one end of the battery, the contacts of the first electrode and the second electrode are concentrated. Has the effect of being able to

Further, the present invention has an effect that the supply current from the battery can be prevented from exceeding the rated current determined according to the type of the battery.

Further, according to the present invention, it is possible to supply a charging current according to the type of the battery, to shorten the charging time, and to constitute a detecting means in which the first contact and the second contact are concentrated. Has the effect of being able to

[Brief description of the drawings]

FIG. 1 is a block diagram of a charging device according to a first embodiment.

FIG. 2 is a block diagram of a strobe unit.

FIG. 3 is a diagram showing a configuration of an electrode unit of a three-electrode battery.

FIG. 4 is a diagram illustrating a configuration of a battery type detection unit.

FIG. 5 is a flowchart showing a flash charging light emission processing routine.

FIG. 6 is a graph showing a relationship between dischargeable current and battery voltage of two types of batteries.

FIG. 7 is a graph showing a relationship between a flash charging current of a flash unit and a battery voltage.

FIG. 8 is a block diagram of a charging device according to a second embodiment.

FIG. 9 is a flowchart illustrating a control routine of the charging device according to the second embodiment.

FIG. 10 is a flowchart showing a subroutine of step 79 (80) in FIG. 9;

FIG. 11 is a graph showing voltage-time characteristics of a two-electrode battery and a three-electrode battery.

FIG. 12 is another diagram showing the configuration of the battery type detection means.

[Explanation of symbols]

 26 plus electrode (first electrode) 24 first minus electrode (second electrode) 28 second minus electrode (second electrode) 20 battery type detecting means (detecting means) X1 Flash discharge tube (strobe) C1 Main capacitor (charge storage means) 32 Connector (mounting means) 38 Contact (first contact) 36 Contact (second contact) 40 Contact (second contact) 76 Battery voltage detecting means (voltage detecting means) 70 Display device (Display means) 72 Circuit power control means (cutoff means) 73 Power supply line (supply means)

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2H053 AA00 AA04 AC13 AC21 CA00 3K098 AA07 AA17 EE37 5G003 AA04 BA01 DA04 DA13 DA16 EA05 FA03 GB04 GC05 5H030 AA03 AS11 AS18 BB01 DD09 DD20 FF43 FF51

Claims (8)

[Claims] 1. A battery comprising: a first electrode provided on one end side; and a plurality of second electrodes provided on the one end side and having a polarity opposite to that of the first electrode. 2. A power supply unit for supplying power of a power supply battery to a power supply target, wherein the power supply target is determined from power consumption of the power supply target and a rated current of the power supply battery, and a current supplied from the power supply battery is determined by the power supply target. Storage means for storing a cut-off voltage for not exceeding the rated current in accordance with the type of power supply battery; type detection means for detecting the type of power supply battery; and voltage for detecting the voltage of the power supply battery. Detecting means, an end voltage stored in the storage means corresponding to a type of power supply battery, a type of power supply battery detected by the type detection means, and a power supply battery detected by the voltage detection means. Determining means for determining whether or not the detected voltage of the power supply battery is equal to or lower than a final voltage corresponding to the detected type of power supply battery, based on the voltage; Sa When the voltage of the battery for power supply is determined to be equal to or lower than the cut-off voltage corresponding to the type of the battery for power supply detected, a cutoff unit for cutting off the supply of power to the power supply target. Control device. 3. The type detecting means corresponds to mounting means for mounting at least the one end of the battery of claim 1, and corresponding to the first electrode when the battery of claim 1 is mounted on the mounting means. And a first contact provided for the first electrode provided at a position corresponding to the plurality of second electrodes when the battery of claim 1 is mounted on the mounting means. 2
3. The power supply control device according to claim 2, further comprising: a plurality of second contacts for the electrode; and detecting the battery according to claim 1 as one of the types of power supply batteries. 4. 4. The power supply control device according to claim 3, wherein said first contact and said plurality of second contacts are fixed to one mold of said mounting means. 5. A display means for displaying a state of the power supply battery in a manner determined according to a type of the power supply battery detected by the type detection means and a voltage of the power supply battery detected by the voltage detection means. The power supply control device according to any one of claims 2 to 4, further comprising: 6. The power supply control device according to claim 5, wherein the display means displays the state of the power supply battery in a manner different for each of a plurality of voltage ranges determined for each type of power supply battery. 7. The storage means stores the end voltage and a voltage before the end of a predetermined time before the voltage of the power supply battery becomes the end voltage in accordance with the type of the power supply battery. The detected voltage of the power supply battery is:
If the voltage is equal to or lower than the end voltage corresponding to the detected type of power supply battery, a first warning is displayed, and the detected voltage of the power supply battery corresponds to the detected type of power supply battery. The power supply control device according to claim 5, wherein a second warning display different from the first warning display is performed when the voltage is equal to or lower than the pre-end voltage. 8. A type detecting means for detecting a type of a power supply battery, and a strobe for emitting a charge current close to the optimum charge current including an optimum charge current of the detected type of power supply battery. 2. A strobe charging device for supplying electric charge to charge storage means, wherein the type detection means includes: mounting means for mounting at least the one end of the battery according to claim 1; A first contact for a first electrode provided at a position corresponding to the first electrode when a battery is mounted; and the plurality of contacts when the battery according to claim 1 is mounted on the mounting means. The second electrode provided at each position corresponding to the second electrode
And a plurality of second contacts for the electrode of (b), wherein the battery of claim 1 is detected as one of the types of battery for power supply.