CN206194917U - Detection apparatus for be used for battery safety capability test - Google Patents

Abstract

The utility model relates to a detection apparatus for be used for battery safety capability test. Including the explosion -proof box that is used for placing the battery, explosion -proof box on be equipped with temperature sensor, pressure sensor and wire energizing device, temperature sensor and pressure sensor press close to the battery surface and set up, the wire of wire energizing device and battery link to each other. Can know by above -mentioned technical scheme, the utility model discloses a temperature sensor and pressure sensor can fill the the discharge process moderate temperature and the variation in pressure condition by accurate reflection battery, through wire energizing device the drawing forth of test cell circular telegram wire of can being convenient for, are just effectively preventing simultaneously, the negative pole short circuit, the the device manufacture process is simple, and is with low costs, and the equipment is convenient, can use by the recirculation.

Description

A kind of detection means for battery safety test

Technical field

The utility model is related to a kind of detection means for battery safety test.

Background technology

Motive-power battery has the good characteristics such as operating voltage is high, energy density is big, self discharge is small, is China's new energy Project is given priority to, popularization and application are accelerated in fields such as electric automobiles.With the increase of electrokinetic cell volume, the change of energy High, use environment becomes severe, and the potential safety hazard of battery is increasingly serious.Therefore, many scholars have carried out to battery both at home and abroad , there is thermal runaway, the understanding of fire root in thermal characteristics and the research of thermal runaway, grasp induction battery dangerous to deepen to battery Main cause.Meanwhile, there is the spies such as thermal runaway in the thermal safety energy of quantitative assessment battery unit and module, quantitative clear and definite battery The performance and harm of different phenomenon, have certain directive significance to research and development high security battery system, reduce battery and safe thing occurs Therefore possibility, for the commercial application for realizing large-sized battery provides theoretical foundation and technical support.Needed during battery testing Want the safety device of Erecting and improving, with prevent battery is carried out overcharge, cross put, battery occurs in the case of many electric currents Blast, to personnel and environmental pollution.

Utility model content

The purpose of this utility model is to provide a kind of detection means for battery safety test, and the device can be with On the premise of support personnel's safety, under the extreme condition such as detection battery is put in overshoot, excessively, thermal runaway, blast, battery anti-explosion case The bursting strength of the situation of change and battery of body temperature and pressure.

To achieve the above object, the utility model employs following technical scheme：Including the explosion-proof tank for placing battery Body, described anti-explosion box body is provided with temperature sensor, pressure sensor and wire power device, described temperature sensor with Pressure sensor presses close to battery surface setting, and described wire power device is connected with the wire of battery.

Described anti-explosion box body is seal case, by the foreboard and back plate, upper plate and lower plate, left plate that are respectively symmetrically setting It is assembled by screw with right plate, the volume of the interior chamber size slightly larger than battery of the anti-explosion box body.

Described wire power device is arranged on the upper plate of anti-explosion box body, and wire power device includes insulator, conductor Rod and insulating lid, the pylon that described insulator includes the platform of cube shape and is arranged at Platform center, the insulator Inside is provided with the internal thread through hole coordinated with conductor bar construction screw thread, and the top of the platform is provided be engaged with insulating lid outer Thread segment, described insulating lid is provided with the internal thread hole being engaged with external thread section, and described stub lower end is provided with and electricity The connected connecting hole of pond wire.

Described wire power device sets two, two wire power devices respectively with the positive and negative electrode wire phase of battery Even.

The upper plate of the anti-explosion box body is provided with the shoulder hole passed through for wire power device, described shoulder hole include with Square hole that platform is engaged and the circular hole being engaged with pylon.

Described pressure sensor and temperature sensor are separately positioned on the back plate of anti-explosion box body and foreboard, it is described after Plate is provided with the first screwed hole being engaged with pressure sensor, and described foreboard is provided be engaged with temperature sensor Two screwed holes.

Described temperature sensor sets six.

As shown from the above technical solution, the utility model can accurately reflect electricity by temperature sensor and pressure sensor The situation of change of pond temperature and pressure in charge and discharge process, test cell electrified wire can be easy to by wire power device Extraction, while effectively prevent positive and negative electrode short circuit；The device fabrication is simple, low cost, and easy to assembly, can repeat Recycle.

Brief description of the drawings

Fig. 1 is three-dimensional structure diagram of the present utility model；

Fig. 2 is three-dimensional structure diagram of the present utility model two；

Fig. 3 is the structural representation of the utility model wire power device；

Fig. 4 is the cooperation schematic diagram of the utility model wire power device and anti-explosion box body.

Specific embodiment

The utility model is described further below in conjunction with the accompanying drawings：

A kind of detection means for battery safety test as shown in Figure 1, including for the explosion-proof of placing battery Casing 1, anti-explosion box body 1 is provided with temperature sensor 2, pressure sensor 3 and wire power device 4, temperature sensor 2 and pressure Sensor 3 presses close to battery surface setting, and wire power device 4 is connected with the wire of battery.

Further, anti-explosion box body 1 is seal case, by be respectively symmetrically the foreboard 11 of setting and back plate 12, upper plate 13 with Lower plate 14, left plate 15 are assembled by screw 17 with right plate 16, the body of the interior chamber size slightly larger than battery of anti-explosion box body 1 Product.

Further, wire power device 4 is arranged on the upper plate 13 of anti-explosion box body 1, and wire power device 4 includes insulation Body 41, stub 42 and insulating lid 43, insulator 41 include the platform 411 of cube shape and are arranged on the post of the center of platform 411 Platform 412, the inside of insulator 41 is provided with and constitutes the internal thread through hole 413 that screw thread coordinates with stub 42, and the top of platform 411 sets There is the external thread section 414 being engaged with insulating lid 43, insulating lid 43 is provided with the internal thread hole being engaged with external thread section 414 431, the lower end of stub 42 is provided with the connecting hole 421 being connected with battery lead.

Further, wire power device 4 sets two, and two wire power devices 4 are led with the positive and negative electrode of battery respectively Line is connected.

Further, the upper plate 13 of anti-explosion box body 1 is provided with the shoulder hole 131 passed through for wire power device 4, shoulder hole The circular hole being engaged including the square hole being engaged with platform and with pylon.

Further, pressure sensor 3 is separately positioned on the back plate 12 and foreboard 11 of anti-explosion box body 1 with temperature sensor 2 On, back plate 12 is provided with the first screwed hole being engaged with pressure sensor 3, and foreboard 11 is provided with and matches with temperature sensor 2 The second screwed hole for closing.

Further, temperature sensor 2 sets six.

Use process of the present utility model and operation principle are as follows：

When needing test, cell to be measured or battery modules are put into anti-explosion box body, and the energization of battery is led Line is connected on the stub of wire power device, after with screw, Battery case is completed, power positive cathode is connect respectively It is powered to battery on to corresponding stub.Can be measured by pressure sensor and temperature sensor quick-fried during battery testing Temperature, the situation of change of pressure in broken casing.

The beneficial effects of the utility model are：1）The interior chamber size of anti-explosion box body is slightly larger than the volume of battery body, because This temperature sensor and pressure sensor being arranged on anti-explosion box body is close to battery surface, and the battery for measuring is in charge and discharge process The change of the temperature and pressure in middle anti-explosion box body can more accurately reflect the change of battery temperature and pressure in charge and discharge process Change situation；2）Wire power device on anti-explosion box body can be easy to the extraction of test cell electrified wire, wire power device In insulator and insulating lid there is insulation characterisitic, can effectively prevent battery during energization both positive and negative polarity short circuit, while It is connected through a screw thread between electrified wire device and anti-explosion box body, increased the air-tightness of anti-explosion box body；3）Anti-explosion box body passes through Six pieces of steel plate splicings are formed, and manufacturing process is simple, low cost, and easy to assembly.When changing battery, by bolt disassembly, Can be used with repetitive cycling.

Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality New scope is defined, and on the premise of the utility model design spirit is not departed from, those of ordinary skill in the art are to this Various modifications and improvement that the technical scheme of utility model is made, all should fall into the protection of the utility model claims determination In the range of.

Claims (7)

1. it is a kind of for battery safety test detection means, it is characterised in that：Including the explosion-proof tank for placing battery Body（1）, described anti-explosion box body（1）It is provided with temperature sensor（2）, pressure sensor（3）And wire power device（4）, institute The temperature sensor stated（2）With pressure sensor（3）Press close to battery surface setting, described wire power device（4）With battery Wire be connected.

2. it is according to claim 1 for battery safety test detection means, it is characterised in that：Described is explosion-proof Casing（1）It is seal case, by the foreboard for being respectively symmetrically setting（11）With back plate（12）, upper plate（13）With lower plate（14）, left side Plate（15）With right plate（16）By screw（17）It is assembled, the anti-explosion box body（1）Interior chamber size slightly larger than battery Volume.

3. it is according to claim 2 for battery safety test detection means, it is characterised in that：Described wire Power device（4）It is arranged on anti-explosion box body（1）Upper plate（13）On, wire power device（4）Including insulator（41）, stub （42）And insulating lid（43）, described insulator（41）Platform including cube shape（411）And it is arranged on platform（411）Center Pylon（412）, the insulator（41）Inside be provided with and stub（42）Constitute the internal thread through hole that screw thread coordinates （413）, the platform（411）Top be provided with and insulating lid（43）The external thread section being engaged（414）, described insulating lid （43）It is provided with and external thread section（414）The internal thread hole being engaged（431）, described stub（42）Lower end is provided with and battery The connected connecting hole of wire（421）.

4. according to claim 1 or 3 for battery safety test detection means, it is characterised in that：Described Wire power device（4）Two, two wire power devices are set（4）It is connected with the positive and negative electrode wire of battery respectively.

5. it is according to claim 3 for battery safety test detection means, it is characterised in that：The explosion-proof tank Body（1）Upper plate（13）It is provided with for wire power device（4）The shoulder hole for passing through（131）, described shoulder hole includes and flat Square hole that platform is engaged and the circular hole being engaged with pylon.

6. it is according to claim 2 for battery safety test detection means, it is characterised in that：Described pressure Sensor（3）With temperature sensor（2）It is separately positioned on anti-explosion box body（1）Back plate（12）With foreboard（11）On, it is described after Plate（12）It is provided with and pressure sensor（3）The first screwed hole being engaged, described foreboard（11）It is provided with and TEMP Device（2）The second screwed hole being engaged.

7. according to claim 1 or 6 for battery safety test detection means, it is characterised in that：Described Temperature sensor（2）Set six.