JPH10308242A - Battery charging/discharging facility - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the expansion of the influence of abnormality, if happening to part of a number of batteries when charging/discharging the batteries stored in a container. SOLUTION: This facility is formed with a casing 142 to store a container 40 in which a number of batteries are contained, a charging/discharging device to charge/discharge a number of batteries contained in the container 40, an environment measuring equipment 200 to measure an environment in the casing 142, a gas introducing pipe 194 communicated with the casing 142, the first and second shutters 164 and 168 as well as the first and second shutter mechanisms to put the casing 142 in a closed condition in accordance on the basis of a preset detection result from the environment measuring equipment 200 and an opening/closing valve 196 to introduce incombustible gas through the gas introducing pipe 194 into the casing 142 in accordance with the preset detection result from the environment measuring equipment 200.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a charge / discharge facility for a rechargeable secondary battery such as a Ni-Cd battery or a lithium battery.

[0002]

2. Description of the Related Art For example, cylindrical secondary batteries such as Ni-Cd batteries and lithium batteries are wound around a positive electrode plate and a negative electrode plate provided with current collecting leads, and a separator. It is configured by inserting an electrode group into a cylindrical case.

[0003] In these secondary batteries, the voltage across the battery and the current flowing through the battery during charge / discharge operation of the battery, that is, charge / discharge characteristics, are important monitoring parameters. As a method of measuring the charging / discharging characteristics, for example, charging is performed for a predetermined period from the start of the measurement, a current waveform and a voltage waveform during the charging are plotted, and then a discharging is performed, and a current waveform and a voltage waveform during the discharging are plotted. There are known ways to do this.

At present, a method has been proposed in which a container accommodating a large number of batteries is put into a charge / discharge facility as it is and charge / discharge processing for a large number of batteries is performed at once.

[0005]

By the way, the method of charging and discharging a large number of batteries using the container can be achieved by improving the shape of the container, the state of housing the batteries, and the like. Because they are housed close to each other, for example, if an abnormality occurs in charging and discharging of one battery,
The effect may extend to other batteries, and eventually lead to a system stop of the charge / discharge facility itself.

[0006] The present invention has been made in view of such problems. Normally, when performing charge / discharge processing on a large number of batteries contained in a container or the like, even if an abnormality occurs in each of the batteries, the battery has sufficient abnormality detection and prevention functions. SUMMARY OF THE INVENTION It is an object of the present invention to provide a battery charge / discharge facility having a further function capable of preventing the influence of the abnormality from spreading to the periphery when an abnormality occurs.

[0007]

A battery charging / discharging facility according to the present invention includes a housing having a space for accommodating a plurality of batteries, and a charging / discharging process for charging / discharging the plurality of batteries. Means, an environment measuring means for measuring an environment in the housing, a gas introduction pipe communicating with the inside of the housing, and a closing setting means for closing the inside of the housing based on a predetermined detection result from the environment measuring means. And gas introduction control means for introducing a non-combustible gas into the housing through the gas introduction pipe based on a predetermined detection result by the environment measurement means.

Thus, when performing the charge / discharge process on a plurality of batteries, first, the plurality of batteries are housed in the housing space in the housing. Then, charge and discharge processing is performed on the plurality of batteries housed in the housing through charge and discharge processing means.

During the charging / discharging process, if an abnormality occurs in charging / discharging of, for example, one of a plurality of batteries housed in the housing, the environment in the housing changes due to the abnormality. become. This change in the environment is detected through environment measurement means. This detection result is supplied to the block setting unit and the gas introduction control unit.

The blocking setting means sets the inside of the housing in a closed state based on a predetermined detection result from the environment measuring means, and the gas introduction control means introduces a nonflammable gas into the housing based on the predetermined detection result. I do.

As a result, since the noncombustible gas is introduced into the closed housing, it is possible to suppress a sudden change in the environment in the housing thereafter. That is, in the present invention, when performing charge / discharge processing on a plurality of batteries housed in a housing, even if an abnormality occurs in a part of the batteries, it is possible to prevent the abnormality from spreading to the periphery. Can be.

It is to be noted that the closing setting means includes an opening / closing shutter provided at an opening / closing port of the plurality of batteries in the housing, and the opening / closing shutter based on a predetermined detection result by the environment measuring means. It can be configured to have a shutter control mechanism for closing the entrance shutter.

Further, in the above configuration, a cool air inlet for introducing cool air into the housing may be provided. In this case, in addition to the shutter for the entrance and exit, a shutter for cold air provided at the cold air inlet is provided as the closing setting means, and the shutter control mechanism includes a predetermined shutter for the environment measuring means. The cold air shutter may be closed together with the access shutter based on the detection result.

In the battery charging / discharging facility according to the present invention, the plurality of batteries are housed in a container, and the container is housed in a housing space of a housing, so that the plurality of batteries housed in the container are provided. May be subjected to charge / discharge processing.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION A battery charging / discharging facility according to the present invention will be described below as a charging / discharging facility for a cylindrical secondary battery (hereinafter simply referred to as a battery) such as a Ni-Cd battery or a lithium battery. Embodiments to which the present invention is applied (hereinafter simply referred to as charge / discharge equipment according to the embodiment) will be described with reference to FIGS. 1 to 8. The configuration of a battery to be processed, the configuration of a container capable of accommodating a large number of these batteries, and the configuration of a charge / discharge processing device that performs charge / discharge processing on a large number of batteries accommodated in the container will be described.

First, as shown in FIG. 1, a battery 10 includes a battery can 12 having a bottomed cylindrical shape, and an electrode plate group 16 enclosed in the battery can 12 together with a non-aqueous electrolyte 14 containing a lithium salt. And a sealing body 18.

The electrode group 16 includes a positive electrode plate 20 having a layer mainly composed of a lithium-containing metal oxide, a mixture layer mainly composed of a negative electrode material, and a metal material mainly composed of lithium superposed on the mixture layer. The formed negative electrode plate 22 is wound around a separator 24, and a positive electrode lead 26 is provided at an end of the positive electrode plate 20, and a negative electrode lead 28 is provided at an end of the negative electrode plate 22. .

The positive electrode lead 26 extends from the winding center of the electrode group 16 toward the opening 12a of the battery can 12, and
It is welded to the sealing body 18. The sealing body 18 is fixed to an end of the battery can 12 on the side of the opening 12 a via a gasket 30. The negative electrode lead 28 extends from the outer peripheral side of the electrode plate group 16 toward the inner bottom portion 12b of the battery can 12, and is welded to the inner bottom portion 12b.

An annular groove 32 is formed in the battery can 12 near the opening 12a. In the battery can 12, a lower insulating plate 34 and an upper insulating plate 36 are provided for the electrode group 16.

The batteries 10 are arranged in a large number and stored in one container 40 (see FIG. 2). As shown in FIG. 2, the container 40 has a box-like boxed body 44 having a bottom and a substantially square shape (for example, about 560 mm on a side) and four side walls (for example, about 100 mm in height) 42A to 42D. The bottom 46 of this box 44
, A total of 256 through holes 48 (see FIGS. 3A and 3B) are arranged in a matrix, 16 in the vertical direction and 16 in the horizontal direction.

A holder 50 for holding the battery 10 is formed integrally with each of the through holes 48.

As shown in FIG. 3B, the holder 50 has a corresponding through hole 48 having a bottom opening (for example, a circular opening having a diameter of about 15 mm) and an opening at the top (for example, having a diameter of about 21 mm).
(For example, a height of about 28)
mm) 54, and the cylindrical portion 54 has
A plurality of (six in the illustrated example) rib portions 56 extending in the height direction and having a small width d (for example, about 3 mm) and projecting in the axial direction of the cylindrical portion 54 are integrally formed on the inner wall thereof. Is formed.

Each of the ribs 56 is formed at its upper end with a tapered surface 58 inclined downward in the axial direction. Also,
Each rib portion 56 has a step at an arbitrary position in the height direction. For example, in the example of FIG.
6 and about 1 mm above, and about 10 mm from the bottom 46.
A step (hereinafter, referred to as a lower step 60a and an upper step 60b for convenience) is formed at a position above mm, and the protrusion width d3 of the protrusion (upper protrusion 56a) on the upper step 60b in the rib portion 56 is cylindrical. The protrusion width d2 of the overhanging portion (center overhanging portion 56b) below the upper step 60b is, for example, approximately 2.25 mm from the inner wall surface of the cylindrical portion 54 (upper overhanging portion). 56
a protruding width from the end face of a = about 0.85 mm), lower step 6
Projection width d1 of overhang below 0a (lower overhang 56c)
Is set to, for example, about 4.5 mm from the inner wall surface of the cylindrical portion 54 (the protrusion width from the end face of the central protruding portion 56b = about 2.25 mm).

Thus, a circular opening having a diameter of 12 mm is formed by connecting the respective end surfaces of the lower overhang portion 56c, and a circular opening having a diameter of 16.5 mm is formed by connecting the respective end surfaces of the central overhang portion 56b. By connecting the end faces of the upper overhang portion 56a, the diameter is 18.
A 2 mm circular opening will be formed.

Therefore, the lower step 60a has an outer diameter of 12
A cylindrical battery having a diameter greater than 16.5 mm and less than 18.2 mm can be placed on the upper step 60b.
That is, the holder 50 can hold, for example, two types of batteries 10 having different outer diameters.

On the other hand, the housing body 44 has a flange portion 62 integrally formed on the upper portion thereof. Of the corner portions C1 to C4 of the flange portion 62, three corner portions C1, C
3 and C4 are formed in a curved shape having the same curvature,
The remaining corner portion C2 is chamfered in an oblique direction, and a tapered surface 64 orthogonal to a diagonal line of the bottom portion 46 of the housing 44.
It is formed as.

The flange portion 62 has a rectangular annular step 66 formed inside thereof, and the shape defined by the step 66 is substantially the same as or slightly larger than the bottom outer shape of the housing 44. . Therefore, when placing another container 40 on one container 40, the container 40
Is inserted into the step 66 of the flange portion 62 of the container 40 located below, so that a plurality of containers 40 can be stably stacked.

Further, a plurality of openings 68 are formed in each of the side walls 42A to 42D of the box body 44. In particular, among the outer surfaces of the side walls 42C constituting the sides that are in contact with the corners C4,
A card storage unit 70 in which a data storage card (data card) DC can be detachably attached is formed in a portion close to the corner C4.

In a storage unit (IC chip or magnetic recording surface) built in the data card DC, a result of an inspection process, for example, a charge / discharge process for 250 batteries is stored in, for example, coordinate information or bit information (0/1). = GO / NG).

The container 40 is integrally formed of a self-extinguishing, self-flame-retardant material.
For example, ABS (acrylonitrile-butadiene-styrene copolymer) and PBT (polybutylene terephthalate)
And a material obtained by mixing glass fiber with a synthetic resin obtained by mixing the above-mentioned materials with the glass fiber as a molding material. As a commercially available product, for example, Novalloy-B (a trade name of Daicel Chemical Industries, Ltd., and Novalloy is a registered trademark of Daicel Chemical Industries, Ltd.) can be used.

In this container 40, a large number of batteries 10 are stored. In this case, this is performed by individually putting the holders 50 arranged on the bottom 46 of the housing 44 through the openings 52 individually. This container 40
The transfer of the battery 10 to and from the battery is performed by an automated transport mechanism.

Next, the charge / discharge processing device 80 will be described with reference to FIG. The charge processing device 80 is a device that performs constant current charging, constant voltage charging, and constant current discharging on the battery 10, controls various circuits, and performs input and data processing of multi-channel detection and measurement data. A computer 82 in which hardware and software are incorporated so as to be able to operate, and a constant voltage circuit 84 which generates a constant voltage necessary for constant voltage charging of the power supply voltage Vc and supplies it to a subsequent circuit system under the control of the computer 82 And a constant current circuit 86 that generates a constant current required for constant current charging under the control of the computer 82 and supplies the constant current to a subsequent circuit system, a constant voltage circuit 84, a constant current circuit 86, or a discharge circuit 8 described later.
8, a constant current / voltage switching circuit 90 for selectively connecting any one of the circuits based on the switching control of the computer 82, a current that is activated (power supply or the like) at the time of discharging and that flows from the battery 10. And a current measuring circuit 92 that measures the current flowing to the battery 10 and the current flowing from the battery 10 and supplies the digital data (current measurement data) to the computer 82.
A voltage measuring circuit 94 for measuring the voltage between both ends of the battery 10 and supplying the digital data (voltage measurement data) to the computer 82; and measuring the temperature of the battery 10 and transmitting the digital data (temperature measurement data) to the computer 82. And a temperature measuring circuit 96 for supplying the temperature measuring circuit 96.

The current measuring circuit 92 and the voltage measuring circuit 94
A / D converters 98, 100, and 102 are connected to the final stage of the temperature measurement circuit 96, respectively, and the analog measurement current waveform, the measurement voltage waveform, and the measurement temperature waveform (electric signal waveform corresponding to the temperature) are respectively digitalized. The data is converted and output as current measurement data, voltage measurement data, and temperature measurement data. Each A / D converter 98, 100
And the sampling time at 102 is, for example, 1 second or 2 seconds.
The sampling pulse Ps for each of the A / D converters 98, 100, and 102 is hard-wired so as to be supplied from the timing generator 104.

Further, the charging / discharging processing device 80 is connected in multiple channels so that, for example, 250 batteries 10 can be simultaneously charged with constant current, constant voltage and constant current, respectively. I have.

Specifically, first, the current measuring circuit 92, the voltage measuring circuit 94, and the temperature measuring circuit 96 are respectively connected to the battery 1
0 corresponding to the number of 0, these 250 current measuring circuit groups, 250 voltage measuring circuit groups and 25
It is derived from each of the zero temperature measurement circuit groups (250
× 3) The wires are connected to the computer 82.

A detection jig 110 shown in FIG. 5 is used in order to simultaneously measure 250 batteries 10.

The detection jig 110 includes the container 40 (see FIG. 2) capable of accommodating, for example, 250 batteries 10 arranged in a matrix, and the container 4.
0, an upper contact mounting plate 116 disposed above the container 40 and having a plurality of upper contacts 114 attached thereto corresponding to each battery 10, and an upper contact mounting plate 116. An upper contact arm 118 for vertically moving the upper and lower contacts 116; a lower contact mounting plate 122 disposed below the container 40 and having a plurality of lower contacts 120 corresponding to each battery 10; Lower contact mounting plate 12
2 is configured to have a lower contact arm 124 for moving the arm 2 up and down.

The fixing of the container 40 to the fixing base 112 is as follows.
This is performed as follows. First, the bottom of the container 40 is placed on the fixed base 112, and is roughly positioned using an air cylinder (not shown). Then, the positioning of the container 40 is performed on set pins (not provided at two locations on the diagonal). The openings (not shown) are aligned and fixed. As a result, the container 40 is positioned and fixed to the fixed base 112 with high accuracy. The set pins are mounted on the lower contact mounting plate 122.

Further, the frame opening 112a of the fixing base 112
Has an opening width that allows the lower contactor mounting plate 122 to be inserted. Accordingly, the lower contact mounting plate 122 is moved by the lower contact arm 124 to the frame opening 112a of the fixing base 112.
By entering the lower side of the container 40 through
Many lower contacts 120 attached to the lower contact mounting plate 122 come into contact with, for example, a negative electrode of the corresponding battery 10.

The same is true for the upper contact mounting plate 116. The upper contact mounting plate 116 is advanced toward the upper side of the container 40 by the upper contact arm 118, whereby the upper contact mounting plate 116 is moved. Are contacted with, for example, the positive electrode of the corresponding battery 10 respectively.

Upper contact cables 126 are led out of the upper contacts 114, respectively, and connected to the corresponding current measuring circuits 92 and voltage measuring circuits 94, respectively. Lower contactor cables 128 are also respectively derived from a large number of lower contactors 120, and are respectively connected to a common negative power supply -Vc or ground (potential Vss) with the corresponding voltage measuring circuit 94.

A large number of surface contacts 130 for detecting the temperature of the battery 10 are attached to the upper contact mounting plate 116, in addition to the large number of upper contacts 114. Each battery is positioned so as to contact the surface of the battery 10. A surface contact cable (not shown) is led out from each of these surface contacts 130, and a corresponding temperature measurement circuit 96 is provided.
Is to be connected to. The surface contact 13
0 can be composed of, for example, a thermistor or a thermocouple.

When the charge / discharge measurement is performed on the 250 batteries 10, the 250 batteries 1 are stored in the container 40.
0, for example, with the positive electrode facing upward,
Is placed on the frame of the fixed base 112 using a transfer arm or the like. Thereafter, the upper contact mounting plate 116 is moved downward by the upper contact arm 118 so that a large number of the upper contacts 11 are moved.
4 is brought into contact with the corresponding positive electrode of the battery 10, and the lower contact arm mounting plate 1
By moving 22 upward, many lower contacts 120 are brought into contact with the corresponding negative electrodes of the battery 10.

In this state, the constant current voltage switching circuit 90 is selectively switched and controlled by the computer 82, so that constant current charging, constant voltage charging and constant current discharging are performed on the 250 batteries 10. Become. The current measurement data, the voltage measurement data, and the temperature measurement data for the 250 batteries 10 are supplied to the computer 82, and under the program control of the CPU in the computer 82, the data RAM is used as a transfer buffer and a hard disk, a flexible disk (FD) is used. ), Magneto-optical disk, CD-
The data is transferred to an external storage device 132 such as R.

As shown in FIG. 6, the charge / discharge facility 140 according to the present embodiment has a space (container accommodation space) for accommodating a container 40 accommodating a large number of batteries 10 (see FIG. 1). 142 that has
A duct 144 for outputting cool air for cooling the 42;
The control unit 146 includes a control unit 146 for controlling the charge / discharge processing device 80 (see FIG. 4) installed in the housing 142 and a monitoring unit 148 for monitoring the charge / discharge processing.

The housing 142 is provided with a container inlet / outlet 150 (see FIG. 7) on the front surface thereof for taking in / out the container 40, and a cold air inlet 152 (see FIG. 8) on the side opposite to the duct 144. Is provided. The cool air inlet 152 is connected to the duct 1 through the cool air inlet pipe 154.
44, and the duct 144
The cool air blown out of the housing is guided into the housing 142 through the cool air inlet pipe 154 and the cool air inlet 152. The cool air guided into the housing 142 is distributed throughout the housing 142 by rotation of a fan 158 provided near the cool air inlet 152.

The controller 146 controls the charge / discharge processing device 80
Are installed, and a plurality of fans 162 are installed to cool the circuit boards 160.

In the vicinity of the outside of the container entrance 150, the container entrance 15 due to an environmental change described later.
A first shutter 164 that closes the container 0 is provided.
Four pedestals 166 are provided.

On the other hand, a second shutter 168 that closes the cool air inlet 152 due to an environmental change described later is provided near the inside of the cool air inlet 152.
52, the cradle 1 of the second shutter 168
70 are provided.

As shown in FIG. 7, the first shutter 164 has a plurality of through holes 172 at its upper part (only one through hole is shown in FIG. 7). A first shutter mechanism 174 for closing the first shutter 164 includes a plurality of locking pins 176 respectively inserted into the plurality of through holes 172 of the first shutter 164, and a control signal indicating “shutter closed”. The plurality of locking pins 17 are
6 is provided with a solenoid 178 for magnetically guiding the 6 through the plurality of through holes 172. When the plurality of locking pins 176 are pulled out of the corresponding through holes 172 by the solenoid 178, the first shutter 164 falls downward. Is stopped. At this time, the container entrance 150 is closed by the first shutter 164.

On the other hand, the second shutter mechanism 180 for closing the second shutter 168 is provided with the second shutter 1.
68, and a plurality of locking pins 182 supporting the second shutter 168 at the lower end surface of the lower shutter 68. The plurality of locking pins 182 are It is configured to have a solenoid 184 for magnetically guiding in a direction of being pulled out from the position. Solenoid 18
By pulling out the plurality of locking pins 182 from the lower end surface of the second shutter 168 by 4,
The second shutter 168 falls downward, but when the second shutter 168 falls by a predetermined distance, the fall is stopped by the receiving base 170. At this time, the cool air inlet 152 is closed by the second shutter 168.

As shown in FIG. 6, the housing 142 has gas supply means 190 (gas cylinder 19) installed outside.
2 including a gas introduction pipe 194. The gas supply means 190 is provided with an on-off valve 196. When the on-off valve 196 is opened, the non-combustible gas (for example, CO ₂ gas) is supplied from the gas supply means 190.
Is output. Usually, the on-off valve 196
Is closed, and the supply of the nonflammable gas into the housing 142 is stopped.

An environment measuring device 200 for measuring the environment in the housing 142 is provided in the housing 142.
As the environment measuring device 200, for example, a temperature measuring device, a flame detector, a smoke detector, and the like are used. The environment measuring device 200 includes a housing 142 that is performing charge / discharge processing on a large number of batteries 10 housed in the container 40.
And converts it into an electric signal Sd (detection signal) having a level corresponding to the detection result and outputs the electric signal Sd.

The monitoring section 148 takes in the detection signal Sd from the environment measuring device 200 and determines whether or not the level is within a predetermined range (the range of the environment suitable for the charging / discharging process). Then, during the charge / discharge process,
For example, when the level of the detection signal Sd output from the environment measuring device 200 deviates from the predetermined range due to a change in the environment inside the housing 142 due to an abnormality of one battery 10, the monitoring unit 148 sets the first And second shutter mechanism 1
Control signals Sc1 and Sc2 indicating “shutter closed” are output to 74 and 180, and a control signal Sc3 indicating “open” is output to the on-off valve 196 of the gas supply means 190.

As a result, the first and second shutter mechanisms 174 and 180 close the respective shutters (first and second shutters 164 and 168), and the opening and closing valve 1
Reference numeral 96 performs an opening operation. As a result, the inside of the housing 142 is the first
Then, the non-combustible gas is introduced into the closed housing 142 by the closing operation of the second shutters 164 and 168.

Since the non-combustible gas is introduced into the closed enclosure 142, the subsequent enclosure 142
It is possible to suppress a rapid change in the environment inside the vehicle.
That is, in the charging / discharging facility 140 according to the present embodiment, when performing charging / discharging processing on a large number of batteries 10 housed in the container 40, even if some of the batteries 10 have an abnormality, the abnormality does not occur. It can be prevented from being enlarged to the periphery.

In the above embodiment, the cylindrical secondary battery 1
Although an example in which the present invention is applied to 0 is shown, the present invention can also be applied to a button-type secondary battery and secondary batteries of various shapes.

The battery charging / discharging equipment according to the present invention is not limited to the above-described embodiment, but may employ various configurations without departing from the gist of the present invention.

[0059]

As described above, according to the battery charging / discharging equipment of the present invention, a housing having a space for accommodating a plurality of batteries, and a charging / discharging process for the plurality of batteries are performed. Charge / discharge processing means for performing, environment measurement means for measuring the environment in the housing, a gas introduction pipe leading to the inside of the housing, and closing the inside of the housing based on a predetermined detection result from the environment measurement means. And a gas introduction control means for introducing a non-combustible gas into the housing through the gas introduction pipe based on a predetermined detection result by the environment measurement means.

Therefore, in the case where a plurality of batteries are subjected to charge / discharge processing, the effect is achieved that if an abnormality occurs, the influence of the abnormality can be prevented from spreading to the periphery. You.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a configuration of a battery that is subjected to a charge / discharge process in a charge / discharge facility according to the present embodiment.

FIG. 2 is a perspective view showing a configuration of a container capable of accommodating a large number of batteries.

FIG. 3A is a plan view showing the configuration of a holder provided on the bottom of the container, and FIG. 3B is a longitudinal sectional view of the holder.

FIG. 4 is a block diagram illustrating a hardware configuration of the charge / discharge processing device.

FIG. 5 is a configuration diagram of a detection jig used when performing a charge / discharge process on a battery housed in a container.

FIG. 6 is a configuration diagram showing a charge / discharge facility according to the present embodiment.

FIG. 7 is a configuration diagram showing a first shutter and a first shutter mechanism.

FIG. 8 is a configuration diagram showing a second shutter and a second shutter mechanism.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 ... Battery 40 ... Container 80 ... Charge / discharge processing apparatus 110 ... Jig for detection 140 ... Charge / discharge equipment 142 ... Housing 144 ... Duct 146 ... Control part 148 ... Monitoring part 150 ... Container entrance / exit 152 ... Cold air inlet 164 ... first shutter 168 ... second shutter 174 ... first shutter mechanism 180 ... second shutter mechanism 190 ... gas supply means 194 ... gas introduction pipe 196 ... open / close valve

Claims (4)

[Claims] 1. A housing having a space for accommodating a plurality of batteries, charge / discharge processing means for performing charge / discharge processing on the plurality of batteries, and environment measurement means for measuring an environment in the housing. A gas introduction pipe communicating with the inside of the housing, a closing setting unit for closing the inside of the housing based on a predetermined detection result from the environment measuring unit, and a predetermined detection result by the environment measuring unit. Gas charging control means for introducing a non-flammable gas into the housing through the gas introducing pipe. 2. The battery charging / discharging equipment according to claim 1, wherein the closing setting means includes an access shutter provided at an access port of the plurality of batteries in the housing, and the environment measuring means. A charging / discharging facility for a battery, comprising a shutter control mechanism for closing the entrance / exit shutter based on a predetermined detection result in the above. 3. The battery charge / discharge facility according to claim 2, further comprising: a cold air inlet for introducing cold air into the housing; A shutter for cold air provided at the cold air inlet, wherein the shutter control mechanism closes the shutter for cold air together with the shutter for inlet and outlet based on a predetermined detection result by the environment measuring means. Battery charging and discharging equipment. 4. The battery charge / discharge facility according to claim 1, wherein the plurality of batteries are housed in a container.