CN209270680U - Battery tester - Google Patents

Abstract

The utility model embodiment discloses a kind of battery tester, including cabinet, fixture, the first fire extinguishing unit, the second fire extinguishing unit and control unit；Cabinet includes the box main body with accommodating cavity, and the top cover being covered on box main body；Fixture is arranged in the accommodating cavity, for fixing battery；First fire extinguishing unit includes the interlayer above fixture, and interlayer is for placing fire-fighting sand；Second fire extinguishing unit is used to convey fire-retardant gas into accommodating cavity；Control unit is moved for controlling the first fire extinguishing unit so that fire-fighting sand whereabouts, is also used for the flow that the second fire extinguishing unit of control conveys fire-retardant gas into accommodating cavity.In this way, it is more effective rapidly compared to the mode of single fire extinguishing, avoid Loss of Life and property caused by the intensity of a fire is further spread.

Description

Battery tester

Technical field

The utility model relates to battery technology field more particularly to a kind of battery testers.

Background technique

For battery in electric performance test, there are on fire or even explosion risks, thus generally require to be equipped with certain peace Full protection system is effectively protected, and security risk is avoided.But security protection provisioned in current battery test apparatus System has that fire-fighting mode is single, blow-off velocity is not fast enough more, often leads to put out a fire successfully even if finally, battery testing Device and battery itself are also by sizable damage.

Utility model content

The purpose of this utility model is to provide a kind of battery testers, to solve the fire prevention of conventional batteries test device The technical problem that system fire-fighting mode is single and blow-off velocity is slow.

In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of battery tester, including case Body, fixture, the first fire extinguishing unit, the second fire extinguishing unit and control unit；

The cabinet includes the box main body with accommodating cavity, and the top cover being covered on the box main body；

The fixture is located in the accommodating cavity, for fixing battery；

First fire extinguishing unit includes the interlayer being located in the accommodating cavity, and the interlayer is for placing fire-fighting It is husky；

Second fire extinguishing unit is connected to the accommodating cavity, for conveying fire-retardant gas into the accommodating cavity；

Described control unit is electrically connected with first fire extinguishing unit and second fire extinguishing unit respectively, for controlling First fire extinguishing unit moves so that the fire-fighting sand falls, and described control unit is also used for controlling second fire extinguishing unit The fire-retardant gas is conveyed into the accommodating cavity.

Further, first fire extinguishing unit further includes electric control element, the electric control element and described control unit electricity Property connection, described control unit can control the interlayer by controlling the electric control element and move, so that the fire-fighting sand falls.

Further, the cavity for being used to hold the fire-fighting sand with opening, the interlayer are offered on the interlayer With opposite first end and second end, the first end and the top cover are hinged, and the electric control element includes and the control The second end is connect by the electromagnet that unit is electrically connected, the electromagnet with the top cover magnetism.

Further, the interlayer includes interlayer one and interlayer two, and the interlayer one and/or interlayer two with In holding the fire-fighting sand, the interlayer one has opposite third end and the 4th end, and the interlayer two with opposite 5th end and the 6th end, the 5th end and third end are hinged with the top cover respectively, and the electric control element includes and the control The electromagnet that unit processed is electrically connected, the electromagnet connect at the 4th end with the 6th end magnetism.

Further, the battery tester further includes the detection unit for detecting battery, and for pushing State the elevating mechanism that battery leaves the detection unit, the elevating mechanism and the detection unit respectively with described control unit It is electrically connected.

Further, the detection unit includes two detection terminals, and two detection terminals are fixedly installed on described respectively On fixture, two detection terminals are respectively used in electrical contact with the Positive Poles of the battery and negative pole；The fixture On offer through-hole, the elevating mechanism can pass through the through-hole, and the battery is pushed away two detection terminals.

Further, the fixture includes the pedestal for being connected to the cabinet, and the bracket being set on the pedestal； For the bracket for fixing the battery, the bracket includes the support frame for being connected to the pedestal, and is located at the support The first block and the second block of frame opposite end；The battery tester further includes the detection unit for detecting battery, The detection unit includes two detection terminals, and two detection terminals are respectively arranged at first block and second block On；First block and second block are slidably matched with the pedestal, and the battery tester further includes being used for Adjust the regulating mechanism of spacing between first block and second block.

Further, the pedestal includes seat ontology, and be set to the seat ontology opposite end third block and Fourth gear block, the bracket is between the third block and four block；The regulating mechanism includes the first adjusting spiral shell Bar and the second adjusting screw rod, first adjusting screw rod pass through institute from the side backwards to first block of the third block The third block is stated, and is connect with first block；Second adjusting screw rod is from the fourth gear block backwards to described The side of second block passes through the third block, and connect with second block；First adjusting screw rod and institute The second adjusting screw rod is stated to be threadedly engaged with the third block and the fourth gear block respectively.

Further, the regulating mechanism further includes the first spring and second spring, and first spring pocket is set to described First adjusting screw rod periphery, the opposite end of first spring offset with first block and the third block respectively Top；The second spring is sheathed on second adjusting screw rod periphery, and the opposite end of the second spring is respectively with described Two blocks are mutually supported with the fourth gear block.

Further, second fire extinguishing unit includes the interior fire extinguisher for filling fire-retardant gas, is separately connected and is connected to The gas pipeline of the fire extinguisher and the cabinet, and the control valve for adjusting gas transmission flow, the control valve with it is described Control unit is electrically connected.

Implement the utility model embodiment, will have the following beneficial effects:

After above-mentioned battery tester, is fallen by the first fire extinguishing unit using fire-fighting sand and cover Combustion Source It is put out a fire in a manner of completely cutting off air, is gone out in such a way that the second fire extinguishing unit uses and conveys fire-retardant gas into cabinet Fire, and order the first fire extinguishing unit and the second fire extinguishing unit to carry out extinguishing action in time by control unit；It goes out compared to single Fiery mode is more effective rapidly, avoids Loss of Life and property caused by the intensity of a fire is further spread.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Wherein:

Fig. 1 is the structural schematic diagram of battery tester in one embodiment；

Fig. 2 is the structural schematic diagram of cabinet in one embodiment；

Fig. 3 is the schematic cross-sectional view one of cabinet in one embodiment；

Fig. 4 is the schematic cross-sectional view two of cabinet in one embodiment；

Fig. 5 is the structural schematic diagram of fixture in one embodiment.

Each appended drawing reference in figure are as follows:

10, cabinet；20, the first fire extinguishing unit；30, the second fire extinguishing unit；40, control unit；W, battery；11, box main body； 12, top cover；121, air inlet；122, gas outlet；111, main casing；112, chamber door；S, it latches；1111, vent window；1121, it sees Examine window；K, string holes；21, interlayer；22, electric control element；21a, first end；21b, second end；H1, accommodating cavity；H2, cavity； X, fire-fighting sand；211, interlayer one；212, interlayer two；211a, third end；211b, the 4th end；212a, the 5th end； 212b, the 6th end；31, fire extinguisher；32, gas pipeline；33, control valve；50, fixture；60, detection unit；M, pedestal；51, bottom Seat；52, bracket；521, support frame；522, the first block；523, the second block；H3, groove；61, detection terminal；611, thimble； 62, conducting wire；N, fastening nut；511, seat ontology；512, third block；513, fourth gear block；70, regulating mechanism；71, first Adjusting screw rod；72, the second adjusting screw rod；73, the first regulation handle；74, the second regulation handle；75, the first spring；76, second Spring；80, elevating mechanism；41, controller.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts Every other embodiment obtained, fall within the protection scope of the utility model.

It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element On one element or indirectly on another element.When an element is known as " being connected to " another element, it can To be directly to another element or be indirectly connected on another element.

It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is that orientation based on the figure or position are closed System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

Also referring to Fig. 1 to Fig. 4, now battery tester provided by the utility model is illustrated.The battery Test device mainly includes cabinet 10, the first fire extinguishing unit 20, the second fire extinguishing unit 30 and control unit 40, wherein to The battery W of detection is arranged in cabinet 10, and the first fire extinguishing unit 20 is set in cabinet 10, is fallen with fire-fighting sand X and is covered combustion It is put out a fire in a manner of completely cutting off air in burning source；Second fire extinguishing unit 30 is carried out in a manner of conveying fire-retardant gas into cabinet 10 Fire extinguishing, control unit 40 is for the case where monitoring cabinet 10 in real time to order the first fire extinguishing unit 20 and the second fire extinguishing unit in time 30 carry out extinguishing action, in this way, two kinds of fire-fighting modes that the utility model uses have more rapidly compared to single fire-fighting mode Effect avoids Loss of Life and property caused by the intensity of a fire is further spread.

Specifically, cabinet 10 includes box main body 11 and top cover 12, and box main body 11 is provided with accommodating cavity H1, and the lid of top cover 12 is set Accommodating cavity H1 is sealed on box main body 11.Air inlet 121 and gas outlet 122 are offered on top cover 12, wherein air inlet 121 are connected to the second fire extinguishing unit 30, and when fire behavior occurs, the second fire extinguishing unit 30 passes through the air inlet 121 to accommodating cavity Fire-retardant gas is inputted in H1, gas outlet 122 is used to be connected to exterior space, can be used for connecting with fume extractor, so as to To effectively prevent explosive incident caused by air pressure is excessive in accommodating cavity H1.Box main body 11 includes main casing 111 and chamber door 112, Chamber door 112 is detachably connected with main casing 111 by latching S, certainly, in other embodiments, chamber door 112 and main casing 111 It can also be connected using other modes, not limited uniquely herein；Vent window 1111, chamber door are offered on main casing 111 Watch window 1121 is offered on 112, and watch window 1121 is sealed by transparent material, consequently facilitating staff penetrates the sight It examines window 1121 and understands situation about accommodating in cavity H1 in time；It is to be appreciated that 1111 mouthfuls of vent window also can be set in case On door 112, watch window 1121 also be can be set in shell main body, not do unique restriction herein.

In one embodiment, the transparent material sealing explosion-proof by fire resisting of watch window 1121, it is further preferably explosion-proof Glass, certainly in the other embodiments of the utility model, which can also be carried out by other transparent materials Sealing, does not limit uniquely herein.

In one embodiment, main casing 111, chamber door 112 and top cover 12 are made of heating resisting metal material, preferably not Become rusty steel or aluminum alloy materials, and is coated with insulation fire resistant coating on the surface of main casing 111, chamber door 112 and top cover 12.

Certainly, in the other embodiments of the utility model, which can also be saved, and not made herein unique It limits.

Specifically, also referring to Fig. 3 to Fig. 4, the first fire extinguishing unit 20 includes interlayer 21 and electric control element 22, interlayer 21 and electric control element 22 be located in accommodating cavity H1, and interlayer 21 is located at the top of battery W, in the present embodiment, every It is provided with the cavity H2 with opening on layer 21, fire-fighting sand X can be placed in cavity H2, interlayer 21 is connect with electric control element 22, Electric control element 22 and control unit 40 are electrically connected, and it is living that control unit 40 can control interlayer 21 by control electric control element 22 It is dynamic, so that fire-fighting sand X is fallen.Certainly, in the other embodiments of the utility model, cavity H2 can also be omitted, and will directly be disappeared Sand prevention X is placed on interlayer 21.

In one embodiment, referring to Fig. 3, one end of interlayer 21 and top cover 12 are hinged, this one end in the present embodiment by Referred to as first end 21a, the other end opposite with the first end 21a of interlayer 21 are connect by electric control element 22 with 12 magnetism of top cover, This other end is referred to as second end 21b in the present embodiment, is able to maintain by the opposite end of this connection type interlayer 21 Balance, fire-fighting sand X, which is stabilized, to be placed on interlayer 21；In the present embodiment, electric control element 22 includes electromagnet, the electromagnet It is electrically connected with control unit 40, control unit 40 can control electromagnet to be powered or power off, and then influence electromagnet is had Magnetism, thus electronic control unit can disconnect the second end 21b and top cover 12 of interlayer 21 automatically under the instruction of control unit 40 Connection, so that the opposite end of interlayer 21 is unbalance, the second end 21b of interlayer 21 is rotated around its first end 21a rapidly, causes fire-fighting Husky X falls from interlayer 21 immediately, and covers on battery W below, so that Combustion Source and air exclusion are reached fire extinguishing Effect.

In another embodiment, referring to Fig. 4, above-mentioned interlayer 21 includes interlayer one 211 and interlayer two 212, interlayer Fire-fighting sand X, interlayer one 211 separate interlayer two 212 one end and top cover are placed on one 211 and interlayer two 212 12 is hinged, this one end is referred to as third end 211a, interlayer one 212 one end opposite with third end 211a in the present embodiment Referred to as the 4th end 211b, interlayer two 212 separate interlayer one 211 one end and top cover 12 are hinged, this one end is in this reality It applies and is referred to as the 5th end 212a in example, the interlayer two 212 referred to as sixth end 212bs opposite with the 5th end 212a, automatically controlled member Part 22 is arranged on interlayer one 211 and/or interlayer two 212, for connecting the 4th end 211b and the 6th end 212b So that interlayer one 211 two 212 opposite ends of opposite end and interlayer keep balancing, fire-fighting sand X is stabilized placement In on interlayer one 211 and interlayer two 212；In the present embodiment, electric control element 22 includes electromagnet, the electromagnet and control Unit 40 processed is electrically connected, and control unit 40 can control electromagnet to be powered or power off, and then influence magnetic possessed by electromagnet Property, thus electronic control unit can disconnect the connection of the 4th end 211b and the 6th end 212b automatically under the instruction of control unit 40, make It obtains interlayer one 211 opposite end and interlayer two 212 opposite ends is unbalance, the 4th end 211b and the 6th end 212b difference It is rotated around third end 211a and the 5th end 212a rapidly, causes fire-fighting sand X immediately from interlayer one 211 and interlayer two 212 Fall, and cover on battery W thereunder, so that Combustion Source and air exclusion are achieved the effect that fire extinguishing.

It should be noted that the electromagnet in above-described embodiment can also quilt in the other embodiments of the utility model Be substituted for it is other kinds of have the above-mentioned component for electricly connecting function, do not limit uniquely herein.

In one embodiment, referring to Fig. 1, the second fire extinguishing unit 30 includes fire extinguisher 31, gas pipeline 32 and control valve 33, wherein fire-retardant gas is loaded in fire extinguisher 31, fire extinguisher 31 is connected to by gas pipeline 32 with air inlet 121, control valve 33 It is electrically connected with control unit 40, control valve 33 can adjust the gas transmission flow of fire extinguisher 31 under the order of control unit 40.

In addition, please referring to Fig. 1 and Fig. 5, battery testing case provided by the utility model further includes having fixture 50 and detection single Member 60, wherein the setting of fixture 50 is in accommodating cavity H1, and for fixing battery W, detection unit 60 is connected on fixture 50, uses In the performance of detection battery W.Specifically, fixture 50 is arranged in accommodating cavity H1 by dismountable mode, specific structure are as follows: It is fixedly installed pedestal M in accommodating cavity H1, screw thread hole location (not shown) is provided on pedestal M, fixture 50 includes pedestal 51 and bracket 52, screw thread hole location corresponding with the screw thread hole location on pedestal M is offered on pedestal 51, pedestal M and pedestal 51 are logical It crosses bolt or screw connects, in this way, being replaced with can be convenient；Detection unit 60 is connected on bracket 52, bracket 52 For fixing battery W.The material of hot-face insulation material, such as phenoplasts can be used in bracket 52 and pedestal 51.

More specifically, referring to Fig. 5, bracket 52 is set to the top of above-mentioned pedestal 51, bracket 52 include support frame 521, First block 522 and the second block 523；Wherein support frame 521 is detachably connected with pedestal 51, is offered on support frame 521 For the groove H3 of set battery W, here, groove H3 can be the circular groove for accommodating circular batteries W, be also possible to use It in the square groove of accommodating rectangular cell W, does not limit uniquely herein, and can also have different support frames by replacement 521 carry out the application range of its battery tester of further expansion；First block 522 and the second block 523 are sliding with pedestal 51 Dynamic connection, and the first block 522 and the second block 523 are located at the opposite sides of support frame 521.

More specifically, also referring to Fig. 1 and Fig. 5, detection unit 60 include detection main body (not shown), conducting wire 62 and Above-mentioned two detection terminal 61, in the present embodiment, conducting wire 62 pass through the string holes K being opened on main casing 111, will be located at accommodating Two detection terminals 61 in cavity H1 and the detection main body outside accommodating cavity H1 connect.Here, two detection terminal 61 It is detachably connected respectively with the first block 522 and the second block 523, and is respectively used to battery W Positive Poles in electrical contact and bears Pole pole.Each detection terminal 61 includes thimble 611, test battery W when, the positive and negative electrode pole of battery W respectively with thimble 611 contacts, and 611 resilientiy stretchable of thimble, detection terminal 61 are the metal material of good conductivity, preferably copper, aluminum material；Separately Outside, by an at least fastening nut N that a part for being connected to detection terminal 61 nearby and detection terminal 61 of conducting wire 62 is opposite It is fixed up, to cause detection terminal 61 unstable when preventing the conducting wire for being connected to detection terminal 61 62 by external collision.

Also referring to Fig. 1 and Fig. 5, pedestal 51 includes seat ontology 511, third block 512 and fourth gear block 513, third Block 512 and fourth gear block 513 are connected to the opposite end of an ontology 511, and are located at the top of seat ontology 511, at this In embodiment, seat ontology 511 is fixedly connected with third block 512, fourth gear block 513, and seat ontology 511, third block 512 " U " the font frame body with through slot is collectively formed with fourth gear block 513；Bracket 52 is located in through slot, that is, is set to third gear Between block 512 and four blocks, wherein support frame 521 is detachably connected with seat ontology 511, the first block 522 and the second block 523 are slidably matched with seat ontology 511 respectively, and specifically, in the present embodiment, the top surface of seat ontology 511 offers slideway, and (figure is not Show), the bottom end of the first block 522 and the second block 523 is connected with sliding block (not shown), which is slidably connected with slideway, from And it realizes the first block 522, the second block 523 and is slidably matched respectively with seat ontology 511.

In one embodiment, also referring to Fig. 1 and Fig. 5, battery tester further includes regulating mechanism 70, the adjusting machine Structure 70 is used to adjust the spacing of the first block 522 and the second block 523.Specifically, which includes the first adjusting spiral shell Bar 71 and the second adjusting screw rod 72 offer threaded hole on above-mentioned third block 512 and fourth gear block in the present embodiment (not shown), the first adjusting screw rod 71 is threaded through the threaded hole on third block 512, and fixes and connect with the first block 522 It connects, and is additionally provided with the first regulation handle 73 on the one end of the first adjusting screw rod 71 far from the first block 522, the first adjusting hand Handle 73 can turn the rotation of the first adjusting screw rod 71 convenient for user, so that the first block 522 be pushed to slide along slideway；Second adjusts spiral shell Bar 72 is threaded through the threaded hole on fourth gear block 513, and is rotatablely connected with the second block 523, and the second adjusting screw rod 72 It is additionally provided with the second regulation handle 74 on one end far from the second block 523, which can turn convenient for user Second adjusting screw rod 72 rotation, so that the second block 523 be pushed to slide along slideway；In this way, then realizing the first block 522 and Spacing between two blocks 523 is adjustable, and the spacing between the first block 522 and the second block 523 is adjustable, then two detection terminals 61 Between spacing it is also adjustable, when detecting to battery W, battery W need to be between two detection terminals 61, thus the battery testing Device can be adapted for the battery W of different length, expand the scope of application of battery tester.

It is appreciated that in other embodiments, the first regulation handle 73 and the second regulation handle 74 can be omitted, by Additional means rotate the first adjusting screw rod 71 and the second adjusting screw rod 72.

It is noted that the first adjusting screw rod 71 or the can also be saved in the other embodiments of the utility model Two adjusting screw rods 72 are only pushed the first block 522 or the second block 523 to move by a wherein adjusting screw rod, can also reached To the technical effect for adjusting the spacing between the first block 522 and the second block 523.

Certainly, it in the other embodiments of the utility model, can also be adjusted by the regulating mechanism 70 of other structures Spacing between first block 522 and the second block 523, does not do unique restriction herein.

In one embodiment, also referring to Fig. 1 and Fig. 5, regulating mechanism 70 further includes the first spring 75 and second spring 76, which is sheathed on 71 periphery of the first adjusting screw rod, and the opposite end of the first spring 75 respectively with the first block 522 mutually support with third block 512；Second spring 76 is sheathed on 72 periphery of the second adjusting screw rod, and opposite the two of second spring 76 It is supported respectively with the second block 523 and 513 phase of fourth gear block at end.So that the first block 522 has always towards second gear block The trend of 523 directions movement, and the second block 523 has the tendency that moving towards 522 direction of first gear block always, therefore The Positive Poles and negative pole that can make two detection terminal 61 and battery W are in close contact, and are not easy to connect because of External force interference Touch bad phenomenon.

In one embodiment, referring to Fig. 1, battery tester further includes elevating mechanism 80, the elevating mechanism 80 setting On pedestal M, it is electrically connected positioned at the lower section of battery W, while with control unit 40.Specifically, elevating mechanism 80 is located at seat sheet The lower section of body 511 offers the through-hole (not shown) passed through for elevating mechanism 80 on seat ontology 511, which is located at battery The lower section of W, when fire behavior or other dangerous situations occur, which passes through seat ontology under the order of control unit 40 511 jack up battery W upwards, so that the battery W on fixture 50 be made to be detached from two detection terminals 61, and then interrupt Detection task, keep away Exempt from further loss.Certainly in the other embodiments of the utility model, which may be replaced by other can So that battery W is detached from the structure of two detection terminals 61 in time, battery W is picked up for example, by using manipulator, is not limited uniquely herein.

In one embodiment, referring to Fig. 1, control unit 40 includes controller 41, display (not shown) and sensing Device (not shown), which is located in accommodating cavity H1, and sensor is also electrically connected with control unit 40, in this implementation In example, sensor is used to monitor the temperature and/or smokescope in accommodating cavity H1, and the data that will test pass to control Unit 40.Certainly in the other embodiments of the utility model, which can be also used for wet in detection accommodating cavity H1 The other parameters such as degree, do not do unique restriction herein.The controller 41 and display are electrically connected with sensor, and controller 41 is also It is electrically connected with the first fire extinguishing unit 20, the second fire extinguishing unit 30 and elevating mechanism 80, in this way, the number that sensor sensing arrives According to can real-time display observed over the display for user, moreover, controller 41 is more than certain face in received data When boundary's range, then the first fire extinguishing unit 20, the second fire extinguishing unit 30 and 80 sending of elevating mechanism can be acted in time and be ordered It enables, plays the role of power-off of putting out a fire in time.

In one embodiment, control unit 40 further includes alarm (not shown), and alarm electrically connects with controller 41 It connects, controller 41, then can order alarm equipment alarm in time when received data are more than certain critical range.

Above disclosures are merely preferred embodiments of the utility model, the utility model cannot be limited with this certainly Interest field, therefore equivalent variations made according to the claim of the utility model still fall within the scope of the utility model.

Claims (10)

1. battery tester, it is characterised in that: including cabinet, fixture, the first fire extinguishing unit, the second fire extinguishing unit, and control Unit processed；

The cabinet includes the box main body with accommodating cavity, and the top cover being covered on the box main body；

The fixture is located in the accommodating cavity, for fixing battery；

First fire extinguishing unit includes the interlayer being located in the accommodating cavity, and the interlayer is for placing fire-fighting sand；

Second fire extinguishing unit is connected to the accommodating cavity, for conveying fire-retardant gas into the accommodating cavity；

Described control unit is electrically connected with first fire extinguishing unit and second fire extinguishing unit respectively, described for controlling First fire extinguishing unit moves so that the fire-fighting sand falls, and described control unit is also used for controlling second fire extinguishing unit to institute State the conveying fire-retardant gas in accommodating cavity.

2. battery tester as described in claim 1, it is characterised in that: first fire extinguishing unit further includes automatically controlled member Part, the electric control element and described control unit are electrically connected, and described control unit can be controlled by controlling the electric control element The interlayer movement, so that the fire-fighting sand falls.

3. battery tester as claimed in claim 2, it is characterised in that: offer on the interlayer and be used for opening The cavity of the fire-fighting sand is held, the interlayer has opposite first end and second end, and the first end and the top cover are cut with scissors It connects, the electric control element includes the electromagnet being electrically connected with described control unit, and the electromagnet is by the second end and institute State the connection of top cover magnetism.

4. battery tester as claimed in claim 2, it is characterised in that: the interlayer includes interlayer one and interlayer two Portion, and the interlayer one and/or interlayer two, for holding the fire-fighting sand, the interlayer one has opposite third end With the 4th end, the interlayer two have opposite the 5th end and the 6th end, the 5th end and third end respectively with the top Lid is hinged, and the electric control element includes the electromagnet being electrically connected with described control unit, and the electromagnet is by the 4th end It is connected with the 6th end magnetism.

5. such as the described in any item battery testers of Claims 1-4, it is characterised in that: the battery tester also wraps The detection unit for detecting battery is included, and for pushing the battery to leave the elevating mechanism of the detection unit, it is described Elevating mechanism and the detection unit are electrically connected with described control unit respectively.

6. battery tester as claimed in claim 5, it is characterised in that: the detection unit include two detection terminals, two The detection terminal is fixedly installed on respectively on the fixture, and two detection terminals are respectively used to the positive pole with the battery Column and negative pole are in electrical contact；Through-hole is offered on the fixture, the elevating mechanism can pass through the through-hole, by the electricity Pond pushes away two detection terminals.

7. such as the described in any item battery testers of Claims 1-4, it is characterised in that: the fixture includes being connected to institute The pedestal of cabinet is stated, and the bracket being set on the pedestal；For fixing the battery, the bracket includes the bracket It is connected to the support frame of the pedestal, and the first block and the second block positioned at support frame as described above opposite end；The electricity Pond test device further includes the detection unit for detecting battery, and the detection unit includes two detection terminals, two detections Terminal is respectively arranged on first block and second block；First block and second block with it is described Pedestal is slidably matched, and the battery tester further includes for adjusting spacing between first block and second block Regulating mechanism.

8. battery tester as claimed in claim 7, it is characterised in that: the pedestal includes seat ontology, and is set to The third block and fourth gear block of the seat ontology opposite end, the bracket be located at the third block and four block it Between；The regulating mechanism includes the first adjusting screw rod and the second adjusting screw rod, and first adjusting screw rod is from the third block The side backwards to first block pass through the third block, and connect with first block；Described second adjusts spiral shell Bar passes through the third block from the side backwards to second block of the fourth gear block, and connects with second block It connects；First adjusting screw rod and second adjusting screw rod are matched with the third block and the fourth gear block screw thread respectively It closes.

9. battery tester as claimed in claim 8, it is characterised in that: the regulating mechanism further includes the first spring and Two springs, first spring pocket be set to first adjusting screw rod periphery, the opposite end of first spring respectively with institute It states the first block and the third block offsets top；The second spring is sheathed on second adjusting screw rod periphery, and described The opposite end of two springs is mutually supported with second block and the fourth gear block respectively.

10. such as the described in any item battery testers of Claims 1-4, it is characterised in that: second fire extinguishing unit includes The fire extinguisher for inside filling fire-retardant gas is separately connected and is connected to the gas pipeline of the fire extinguisher and the cabinet, Yi Jiyong In the control valve of adjustment gas transmission flow, the control valve and described control unit are electrically connected.