JP3702149B2 - Power supply - Google Patents

Power supply Download PDF

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Publication number
JP3702149B2
JP3702149B2 JP2000163523A JP2000163523A JP3702149B2 JP 3702149 B2 JP3702149 B2 JP 3702149B2 JP 2000163523 A JP2000163523 A JP 2000163523A JP 2000163523 A JP2000163523 A JP 2000163523A JP 3702149 B2 JP3702149 B2 JP 3702149B2
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JP
Japan
Prior art keywords
power supply
end plate
supply device
circuit board
printed circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2000163523A
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Japanese (ja)
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JP2001345082A (en
Inventor
貴史 小田
Original Assignee
三洋電機株式会社
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Priority to JP2000163523A priority Critical patent/JP3702149B2/en
Publication of JP2001345082A publication Critical patent/JP2001345082A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage
    • Y02E60/12Battery technologies with an indirect contribution to GHG emissions mitigation

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention mainly relates to a high-current power supply device used for powering a motor that drives a vehicle such as a hybrid vehicle or an electric vehicle.
[0002]
[Prior art]
A high-current power supply device used as a power supply for driving a motor for driving a car has a large number of batteries connected in series to increase the output voltage. This is to increase the output of the drive motor. A power supply device used for this type of application is charged and discharged in a very severe environment, particularly with a very large current. For example, in a hybrid vehicle or the like, when starting or accelerating, the vehicle is accelerated by the output of the battery, so a very large charging current flows. In addition, when the vehicle suddenly stops or goes down a steep slope, the battery is charged with electric power generated by regenerative braking, and at this time, the battery may be charged with a large current. Power supply devices used for applications that are charged and discharged with a large current are charged and discharged while preventing overcharge and overdischarge while accurately detecting the state of the battery, for example, the remaining capacity and variation of each battery. It is important. This is because battery overcharge and overdischarge significantly reduce battery performance. In particular, since batteries for automobiles are extremely expensive, it is particularly important how long they can be used.
[0003]
In order to detect the battery voltage, the power supply device divides the whole into a plurality of blocks, and detects the voltage of each module battery in units of module batteries. Ideally, the battery voltage is detected by dividing it into as many blocks as possible. When charging and discharging a large number of batteries connected in series, the same charge current and discharge current flow for all batteries, but the remaining capacity cannot be matched exactly because each battery has a different capacity for full charge. is there.
[0004]
A circuit diagram of a power supply device for realizing this is shown in FIG. As shown in this figure, each module battery 1 is connected to a signal output line 9 for detecting a voltage. The power supply apparatus shown in the figure has a high reliability by connecting a fuse 8 to the signal output line 9. The fuse 8 prevents a large short-circuit current from flowing through the battery when the signal output line 9 is short-circuited. In the power supply device of this circuit diagram, as shown in FIG. 2, a number of signal output lines 9 are wired to the end plate 3. A large number of signal output lines 9 are connected to all the module batteries 1 in order to detect the voltage of each module battery 1. For example, in a power supply device in which several tens of sets of module batteries 1 are connected in series, the number of module batteries 1 plus one signal output line 9 needs to be wired to the end plate 3.
[0005]
[Problems to be solved by the invention]
In the power supply device having this structure, since it is necessary to wire a large number of signal output lines 9 to the end plate 3, it takes much time to wire the signal output lines 9. This is because the number of module batteries 1 is large. For example, since the power supply apparatus shown in FIGS. 1 and 2 contains 16 module batteries 1, it is necessary to connect 17 signal output lines 9 and further to them a fuse 8. For this reason, there is a drawback that assembling takes time and manufacturing cost is increased. In addition, since a large number of signal output lines 9 are connected, a connection error is likely to occur, and if a wiring error occurs, an abnormality of the module battery 1 is erroneously determined and charging / discharging cannot be performed normally. Since power supply devices used for automobiles and the like are required to have extremely high reliability, it is required to eliminate malfunctions.
[0006]
Such a drawback is the structure in which the signal output line of the wire harness is connected and connected to the path bar of the module battery in advance, as already used for automobile wiring. Can be resolved. However, it takes time to connect the wire harness connecting a large number of signal output lines to the end plate path bar. This is because troubles such as entanglement of the wire harnesses occur, and it takes time to eliminate the entanglement. In addition, when a part of the signal output line is entangled, the shape of the wire harness also changes, so that it cannot be accurately and efficiently connected to a pass bar or the like.
[0007]
Furthermore, since the wire harness becomes thick at the portion where many signal output lines are bundled, it is difficult to store the wire harness neatly on the surface of the end plate. Since the power supply device for automobiles is mounted at a predetermined place in the automobile, the entire outer shape is made compact, and it may be arranged so as not to cause adverse effects such as forcibly pressing the wire harness etc. Required.
[0008]
Further, as shown in FIG. 2, the power supply apparatus for connecting the fuse 8 to the signal output line 9 requires more labor to connect the fuse 8, and the end plate 3 has a special shape for fixing the fuse 8. Therefore, the manufacturing cost of the end plate 3 is increased.
[0009]
The present invention has been developed for the purpose of solving such drawbacks. An important object of the present invention is to provide a power supply apparatus capable of wiring a large number of signal output lines simply, easily, efficiently and quickly without fail.
Furthermore, another important object of the present invention is to provide a power supply apparatus capable of neatly wiring a large number of signal output lines.
[0010]
[Means for Solving the Problems]
The power supply device of the present invention is connected to a battery holder 2 that houses a plurality of module batteries 1 and an electrode terminal 5 of the module battery 1 that is housed in the battery holder 2 to connect the module battery 1. Pass bar 4, end plate 3 that is an insulating material that holds a plurality of pass bars 4 in place, and fixed to the surface of end plate 3, and connected to module battery 1, the voltage of module battery 1 is externally applied And a printed circuit board 10 on which signal output lines 9 to be output are wired.
[0011]
In the power supply device of the present invention, the printed circuit board 10 preferably has a connection terminal 11 connected to the pass bar 4. The printed circuit board 10 can be easily and easily connected to the pass bar 4 via the connecting terminal 11.
[0012]
Further, the power supply device of the present invention, preferably, by fixing the plurality of path bar 4 on opposite sides of the end plate 3, arranging the printed circuit board 10 between the opposite sides of the path bar 4. More preferably, on both sides of the printed circuit board 10, provided out butt the connection terminal 11 connected to the path bar 4, by connecting the connecting terminal 11 of the both sides path bar 4, the surface of the printed circuit board 10 of the end plate 3 Secure to. The printed circuit board 10 can also be fixed to the end plate 3 by both the connection terminal 11 and the fixture.
[0013]
Furthermore, the power supply device of the present invention preferably fixes the fuse 8 connected in series to the signal output line 9 to the printed circuit board 10. Furthermore, the power supply device of the present invention can also fix the output connector 12 connected to the signal output line 9 to the printed circuit board 10.
[0014]
Further, in the power supply device of the present invention, the end plate 3 preferably has a pass bar fitting recess 18 that holds the pass bar 4 in a fixed position. The end plate 3 connects the printed circuit board 10 to the pass bar 4 held in place.
[0015]
Further, in the power supply device of the present invention, the end plate 3 preferably includes a main body 3A that fixes the pass bar 4 and a cover 3B that is connected to the outer surface of the main body 3A. This end plate 3 arranges the printed circuit board 10 outside the cover portion 3B.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings. However, the embodiments described below exemplify a power supply device for embodying the technical idea of the present invention, and the present invention does not specify the power supply device as follows.
[0017]
Further, in this specification, in order to facilitate understanding of the scope of claims, the numbers corresponding to the members shown in the examples are referred to as “the scope of claims” and “the means for solving the problems”. It is added to the member shown by. However, the members shown in the claims are not limited to the members in the embodiments.
[0018]
The power supply device shown in FIG. 3 is housed in the battery holder 2 that is located at the end of the battery holder 2 that houses the module battery 1 in which a plurality of batteries are connected in series. A path bar 4 that is fixed by screwing to an electrode provided at the end of the module battery 1, and an end plate 3 that is disposed at a fixed position and fixed to the end of the battery holder 2. Prepare.
[0019]
The module battery 1 has a plurality of secondary batteries 6 connected in a straight line, and the module battery 1 in the figure has six secondary batteries 6 connected in series in a straight line. In the module battery 1 shown in FIG. 4, a cylindrical secondary battery 6 is linearly connected directly or via a dish-like connecting body 7. The module battery 1 has an electrode terminal 5 composed of a positive electrode terminal 5A and a negative electrode terminal 5B connected to both ends. The secondary battery 6 of the module battery 1 is a nickel-hydrogen battery. However, the secondary battery of the module battery may be a nickel-cadmium battery, a lithium ion secondary battery, or the like.
[0020]
The power supply device shown in FIG. 3 incorporates 8 rows × 2 stages of module batteries 1 in the same manner as the conventional power supply device shown in FIG. Each module battery 1 is connected in series by a pass bar 4. A signal output line 9 for detecting the voltage of the module battery 1 is connected to the path bar 4 to which each module battery 1 is connected.
[0021]
An exploded perspective view of the battery holder 2 is shown in FIG. The battery holder 2 in this figure includes a lid case 2A shown in the upper and lower sides, and an intermediate case 2B disposed between the upper and lower lid cases 2A. The lid case 2A and the intermediate case 2B are entirely made of plastic. The lid case 2A and the intermediate case 2B are integrally formed with a holder rib 15 in order to sandwich the module battery 1 and hold it in place. The lid case 2A and the intermediate case 2B shown in the drawing are provided with a plurality of rows of holder ribs 15 in parallel between both end edges. The holder ribs 15 are provided on the inner surface of the lid case 2A and on both surfaces of the intermediate case 2B. The holder rib 15 is provided with a semicircular holding recess 15A that is curved along the outer shape of the module battery 1 in order to hold the cylindrical module battery 1 in a fixed position. The holding recess 15 </ b> A of the holder rib 15 is formed in a shape along the surface of the module battery 1. Therefore, when the module battery has a polygonal column shape, the shape of the holding recess is formed into a shape along the polygonal column.
[0022]
The module battery 1 is fitted in the holding recess 15A and held in a fixed state at a fixed position. The holder rib 15 can improve the impact resistance of the battery by connecting the rubber-like elastic buffer packing 16 along the holding recess 15A. The battery holder 2 of FIG. 5 has a buffer packing 16 connected to two rows of holder ribs 15. The buffer packing 16 is formed in a shape along the holder rib 15. The battery holder 2 in which the buffer packing 16 is connected to the holder rib 15 can absorb the vibration in the buffer packing 16 and prevent the battery from vibration.
[0023]
The holder rib 15 is provided with a guide groove 17 for guiding the temperature sensor 13 and the sensor lead 14 projecting in a convex shape on the surface of the module battery 1 at the bottom of the holding recess 15A. The temperature sensor 13 and the sensor lead 14 are placed in the holding recess 15A, and the holder rib 15 holds the module battery 1 in the holding recess 15A and holds it in place. Although not shown, the plurality of sensor leads 14 are connected in series with each other with the tips connected outside or inside the end plate 3 when the end plate 3 is connected to the battery holder 2.
[0024]
The battery holder 2 having the above structure is assembled in the following state to hold the module battery 1 in parallel.
(1) The lower lid case 2A is placed horizontally, and the module batteries 1 are placed in the holding recesses 15A of the holder ribs 15 and arranged in parallel. In the illustrated lid case 2 </ b> A, the module batteries 1 are arranged in eight rows on the holder rib 15. The module battery 1 is arranged on the holder rib 15 so that both end faces are on the same plane. At this time, the temperature sensor 13 and the sensor lead 14 protruding from the surface of the module battery 1 are guided to the guide groove 17 of the holder rib 15.
(2) Place the intermediate case 2B on the lower lid case 2A. The intermediate case 2B is stacked at a predetermined position by inserting the module battery 1 into the holding recess 15A of the holder rib 15 protruding from the lower surface.
(3) The module batteries 1 are placed in the holding recesses 15A of the holder ribs 15 protruding from the upper surface of the intermediate case 2B and arranged in parallel. Also at this time, the module batteries 1 are arranged so that both ends of the module battery 1 are on the same plane.
(4) The upper lid case 2A is placed on the module battery 1, and the lid case 2A is stacked in place. In this state, the module battery 1 is guided to the holding recess 15A of the holder rib 15 protruding from the lower surface of the lid case 2A.
(5) The upper and lower lid cases 2A are connected by connecting screws, and the upper and lower lid cases 2A and the intermediate case 2B are connected and fixed. The connecting screw passes through the upper and lower lid cases 2A and 2B and connects them. The connecting screws connect the four corners of the upper and lower lid cases 2A and the middle thereof.
[0025]
In the above state, the end plate 3 is fixed to the battery holder 2 that holds the battery in place. As shown in FIGS. 6 to 9, the end plate 3 has a printed circuit board 10 fixed to the surface thereof. The printed circuit board 10 is connected to the module battery 1 and wired with a signal output line 9 that outputs the voltage of the module battery 1 to the outside. As shown in FIG. 7, the printed circuit board 10 is connected to a connection terminal 11 for connection to a pass bar 4 fixed to the end plate 3. The connection terminal 11 opens a through hole 11A through which a set screw 25 for connecting the module battery 1 to the pass bar 4 can be inserted. The connecting terminal 11 can connect the connecting terminal 11 to the pass bar 4 with a set screw 25 when connecting the module battery 1 to the pass bar 4. The connection terminal 11 protrudes from the printed circuit board 10 and is fixed to a position where the printed circuit board 10 can be disposed at a fixed position of the end plate 3. The connecting terminal 11 is fixed to the printed circuit board 10 by soldering. The end plate 3 in FIGS. 6 to 9 has a printed circuit board 10 disposed between a plurality of pass bars 4 disposed on both sides, and the printed circuit board 10 has connection terminals coupled to the pass bars 4 on both sides. 11 is provided to protrude on both sides. The printed circuit board 10 is fixed at a fixed position on the surface of the end plate 3 by connecting the connecting terminals 11 on both sides to the pass bar 4. Although the printed circuit board 10 can be fixed to the end plate 3 only by the connecting terminal 11, the printed circuit board 10 of FIGS. 6 and 9 is fixed to the surface of the end plate 3 by both the connecting terminal 11 and the fixing screw 21. are doing.
[0026]
The printed circuit board 10 of FIG. 6 has a signal output line 9 wired on the front surface side, and has a surface facing the end plate 3 on the back surface side as an insulating surface. This printed circuit board 10 can be fixed in contact with the end plate 3 to insulate the signal output line 9 from the path bar 4.
[0027]
Further, the printed circuit board 10 shown in FIGS. 6 and 7 has a fuse 8 connected in series to the signal output line 9 fixed to the surface. The fuse 8 fixed on the surface can be easily replaced without removing the printed circuit board 10. Further, the printed circuit board 10 shown in the figure has an output connector 12 connected to the signal output line 9 fixed to the end. In the printed circuit board 10 in this figure, the output connector 12 is directly fixed. However, as shown in FIG. 10, the output connector 12 can be connected to the printed circuit board 10 via a lead wire 22.
[0028]
The end plate 3 is fixed to both ends of the battery holder 2 and connects all the module batteries 1. The power supply device that detects the voltages of all the module batteries 1 has the printed circuit board 10 mounted on the end plate 3 connected to both sides of the battery holder 2, and the signal output line 9 of the printed circuit board 10 is connected to the end plate 3. Connect to pass bar 4. The printed circuit board 10 of the end plate 3 fixed to both sides of the battery holder 2 is connected to a control unit (not shown) via an extension lead (not shown) connected to the output connector 12.
[0029]
As shown in FIG. 8, the end plate 3 includes a main body portion 3A and a cover portion 3B fixed to the surface of the main body portion 3A. The main body portion 3A and the cover portion 3B are manufactured by separately integrally molding with plastic. The main body 3A is disposed on the side facing the battery, and the cover 3B is disposed on the back surface of the main body 3A.
[0030]
The main body 3A has a back bar 4 for connecting the module batteries 1 in series attached to the back surface. The pass bar 4 disposed here is sandwiched between the main body 3 </ b> A and the cover 3 </ b> B and is held at a fixed position of the end plate 3. The main body 3A shown in the drawing has a pass bar fitting recess 18 for holding the pass bar 4 at a fixed position formed on the back surface. The pass bar fitting recess 18 is substantially equal to the outer shape of the rectangular pass bar 4 so that the pass bar 4 which is a metal plate can be fitted in a fixed position, and is a rectangle slightly larger than this. The main body 3 </ b> A shown in the perspective view of FIG. 8 is provided on both sides of the end plate 3 with the pass bar fitting recesses 18 extending in the lateral direction. The main body 3 </ b> A in FIG. 8 is provided on both sides of the pass bar fitting recess 18 extending in the longitudinal direction of the end plate 3.
[0031]
A stopper claw 19 for preventing the pass bar 4 from coming out is integrally formed in the opening of the pass bar fitting recess 18. The stopper claw 19 is provided so as to protrude inward from the opening of the pass bar fitting recess 18. The stopper claw 19 shown in the drawing is provided in the opening of the pass bar fitting recess 18 and protrudes inward at substantially the center of the long side. When the protrusion height of the stopper claw 19 is increased, the pass bar 4 is difficult to come out of the pass bar fitting recess 18. However, it becomes difficult to insert the pass bar fitting recess 18 into the pass bar 4. On the other hand, when the stopper claw 19 is lowered, the pass bar 4 can be easily put into the pass bar fitting recess 18, but the pass bar 4 can easily come out of the pass bar fitting recess 18. The stopper claw 19 can smoothly insert the pass bar 4 into the pass bar fitting recess 18 and can effectively prevent the pass bar 4 put in the pass bar fitting recess 18 from coming out. It is provided to project inward from the opening.
[0032]
The battery holder 2 shown in FIG. 3 has two stages, upper and lower, each housing eight rows of module batteries 1, and all the module batteries 1 are connected in series with a path bar 4 attached to an end plate 3. are doing. Accordingly, the end plate 3 fixed to the end of the battery holder 2 is connected to the electrode terminal 5 of the module battery 1 and disposed at a position where the module battery 1 can be connected in series.
[0033]
The main body 3 </ b> A has opening windows 20 that connect the pass bar 4 to the electrode terminals 5 of the module battery 1 at both ends of the pass bar fitting recess 18. The opening window 20 is opened in such a shape that the electrode terminal 5 fixed to the electrode of the module battery 1 can be inserted without rotating. In the module battery 1 shown in the figure, rectangular electrode terminals 5 are fixed to both ends. In order to fit the electrode terminal 5, the opening window 20 is opened to have an inner shape that is substantially equal to the outer shape of the electrode terminal 5 and is slightly larger than the electrode terminal 5. The main body 3A having this structure can connect the pass bar 4 by fitting the electrode terminal 5 of the module battery 1 into the opening window 20 and holding the module battery 1 so as not to rotate.
[0034]
In order to hold the cover 3B in a fixed position, the main body 3A protrudes from the back surface and is provided with a peripheral wall 26 integrally formed along the periphery. The main body 3A having the peripheral wall 26 can be laminated and fixed inside the peripheral wall 26 so that the cover 3B is not accurately displaced. Furthermore, the end plate can also be disposed by laminating a waterproof cover on the outer surface of the cover portion, as indicated by a chain line in FIG. The connecting structure for fixing the waterproof cover to the inside of the peripheral wall has a feature that the end plate can be surely made into a waterproof structure by making the outer periphery of the waterproof cover and the inner surface of the peripheral wall waterproof.
[0035]
The cover portion 3B is laminated and fixed on the back surface of the main body portion 3A, and closes the pass bar fitting recess 18. In this state, the pass bar 4 is disposed between the main body 3A and the cover 3B. In a state where the cover portion 3B is connected and fixed to the main body portion 3A, the pass bar 4 is set at a fixed position and is not exposed to the outside. The cover portion 3B has an outer shape substantially equal to the inner shape of the peripheral wall 26 provided in the main body portion 3A. This is because the cover portion 3B is stacked at a fixed position of the main body portion 3A.
[0036]
8 and 9 has an opening window 20 at the same position as the opening window 20 provided in the main body 3A. The end plate 3 has an opening window 20 at a position where both the main body 3A and the cover 3B face each other, and the pass bar 4 built in the end plate 3 is attached to the electrode terminal 5 of the module battery 1 with a set screw 25. Can be linked.
[0037]
The cover portion 3B is provided with the stopper convex portion 23 integrally formed on the outer peripheral surface so that the cover portion 3B can be fitted and connected to the peripheral wall 26 of the main body portion 3A. The cover portion 3B shown in the drawing is formed so that a plurality of stopper convex portions 23 protrude from each side of the cover portion 3B having a square shape as a whole. The stopper recess 24 for guiding the stopper protrusion 23 is provided on the inner surface of the peripheral wall 26 of the main body 3A. The stopper recess 24 can be a through hole provided in the peripheral wall. The cover portion 3B guides the stopper convex portion 23 to the stopper concave portion 24, and is fixedly connected to a fixed position of the main body portion 3A. The end plate 3 in this figure is provided with a stopper convex portion 23 on the cover portion 3B and a stopper concave portion 24 on the main body portion 3A, but has a stopper concave portion on the cover portion and a stopper convex portion on the main body portion. The cover part can be connected to a fixed position of the main body part. It is also possible to provide a stopper convex portion only on the inner surface of the peripheral wall of the main body portion, and push the cover portion inside the stopper convex portion to connect the cover portion to the main body portion.
[0038]
The end plate 3 that connects the cover portion 3B and the main body portion 3A with the above-described fitting structure has a feature that the cover portion 3B can be connected to the main body portion 3A easily, easily, and quickly. However, the cover portion can be connected to the main body portion by a structure such as spot welding, local adhesion, screwing, or the like.
[0039]
In the end plate 3 having the above structure, the pass bar 4 is disposed at a predetermined position on the main body 3A, and the cover 3B is fixed to the back surface. In this state, the end plate 3 is fixed to the battery holder 2 holding the module battery 1 in a fixed position, and the pass bar 4 of the end plate 3 is attached to the module battery 1 with a set screw 25 inserted into the opening window 20 of the cover portion 3B. The electrode terminal 5 is connected.
[0040]
Since the end plate 3 having the above structure has the cover portion 3B fixed to the surface of the main body portion 3A, a part of the pass bar 4 can be insulated by the cover portion 3B. Further, the pass bar 4 attached to the main body 3A can be covered with the cover 3B so that it cannot be removed. However, the power supply device of the present invention does not necessarily need to be provided with a cover portion on the end plate, and the end plate can be constituted only by a main body portion that places the pass bar at a fixed position.
[0041]
【The invention's effect】
The power supply device of the present invention has a feature that a large number of signal output lines can be wired easily and easily, efficiently and quickly. This is because the power supply device of the present invention fixes the printed circuit board, which is connected to the module battery and has a signal output line for outputting the voltage of the module battery, to the surface of the end plate. The power supply unit with this structure has signal output lines wired on the printed circuit board, so it can be wired cleanly even with a large number of signal output lines. realizable.
[Brief description of the drawings]
1 is a circuit diagram of a conventional power supply device. FIG. 2 is a front view of an end plate of a conventional power supply device. FIG. 3 is an exploded perspective view of a power supply device according to an embodiment of the present invention. FIG. 5 is an exploded perspective view of a battery holder of the power supply device shown in FIG. 3. FIG. 6 is a front view of an end plate of the power supply device shown in FIG. FIG. 8 is an exploded perspective view of the end plate shown in FIG. 6. FIG. 9 is a cross-sectional view showing a connection structure between the end plate and the module battery shown in FIG. Front view of an end plate of a power supply device according to another embodiment of the present invention
DESCRIPTION OF SYMBOLS 1 ... Module battery 2 ... Battery holder 2A ... Cover case 2B ... Intermediate case 3 ... End plate 3A ... Main-body part 3B ... Cover part 4 ... Pass bar 5 ... Electrode terminal 6 ... Secondary battery 7 ... Dish-shaped connection body 8 ... Fuse 9 ... Signal output line 10 ... Printed circuit board 11 ... Connection terminal 11A ... Through hole 12 ... Connector 13 ... Temperature sensor 14 ... Sensor lead 15 ... Holder rib 15A ... Holding recess 16 ... Buffer packing 17 ... Guide groove 18 ... Passbar fitting recess 19 ... Stopper claw 20 ... Opening window 21 ... Fixing screw 22 ... Lead wire 23 ... Stopper convex part 24 ... Stopper concave part 25 ... Set screw 26 ... Peripheral wall 27 ... Waterproof cover 27A ... Drawer cutout 27B ... Extraction hole

Claims (9)

  1.   A battery holder (2) containing a plurality of module batteries (1) and a module battery (1) connected to the electrode terminals (5) of the module battery (1) housed in the battery holder (2) Is fixed to the surface of the end plate (3), the end plate (3) that is the insulating material that holds the pass bar (4), the plurality of pass bars (4) in place, and the module. A power supply device comprising a printed circuit board (10) connected to a battery (1) and wired with a signal output line (9) for outputting the voltage of the module battery (1) to the outside.
  2.   The power supply device according to claim 1, wherein the printed circuit board (10) has a connecting terminal (11) connected to the pass bar (4).
  3. End plate and securing the plurality of path bar (4) on both sides of (3), which are described in claim 1 or 2 a printed board (10) is disposed between said opposite sides of the path bar (4) Power supply.
  4. And it provided out both sides butt the connection terminal (11) connected to a pass-bar (4) of the printed circuit board (10), coupled the both sides of the connecting pin (11) to a pass-bar (4), printed circuit board ( The power supply device according to claim 3, wherein 10) is fixed to the surface of the end plate (3).
  5.   The power supply device according to claim 4, wherein the printed circuit board (10) is fixed to the end plate (3) by both the connecting terminal (11) and the fixture.
  6.   The power supply device according to claim 1, wherein a fuse (8) connected in series to the signal output line (9) is fixed to the printed circuit board (10).
  7.   The power supply device according to claim 1, wherein the printed circuit board (10) fixes an output connector (12) connected to the signal output line (9).
  8.   The end plate (3) has a pass bar fitting recess (18) for holding the pass bar (4) in a fixed position, and the printed circuit board (10) is attached to the pass bar (4) held in a fixed position of the end plate (3). The power supply device according to claim 1 or 4, wherein
  9.   The end plate (3) includes a main body (3A) that fixes the pass bar (4) and a cover (3B) that is connected to the outer surface of the main body (3A). The power supply device according to claim 1, wherein the power supply device is disposed outside the cover portion (3 B).
JP2000163523A 2000-05-31 2000-05-31 Power supply Active JP3702149B2 (en)

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JP3702149B2 true JP3702149B2 (en) 2005-10-05

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