High and low temperature environment chamber and use method thereof

Abstract

The invention relates to a to-be-tested battery test device, in particular to a high-low temperature environment chamber and a use method thereof, the high-low temperature environment chamber comprises a chamber body, the interior of the chamber body is hollow to form a test cavity; the cabin body is provided with a doorway, and a cabin door is arranged in the doorway; a sealing structure is arranged at the joint of the cabin door and the doorway; a liquid supply structure for supplying water liquid into the cabin body is arranged on the cabin body; the high and low temperature environment chamber disclosed by the invention is simple in overall structure, and in addition, the high and low temperature environment chamber can be improved on the basis of an existing old high and low temperature environment chamber, so that the production cost of the high and low temperature environment chamber is greatly reduced; meanwhile, through the arrangement of a sealing structure, tight connection between the cabin door and the cabin body is guaranteed; in addition, through the arrangement of the liquid supply structure, when the temperature of the to-be-detected battery in the cabin is abnormal or the to-be-detected battery is on fire; the liquid supply structure is started; the cooling or fire extinguishing operation of the to-be-tested battery is realized; and the test safety of the to-be-tested battery is ensured.

Description

Technical Field

[0001] The invention relates to a battery testing device to be tested, in particular to a high and low temperature environment chamber and a use method thereof. Background Art

[0002] Various types of high and low temperature environment chambers for automobile tests (without rotating hub). Due to the rapid development of new energy vehicles, there are more and more independent tests on automobile battery performance and system tests on vehicle battery performance.

[0003] Traditional high and low temperature environmental chambers have been mainly used for cold start, defrosting and defogger, low temperature air resistance test, air conditioning comfort test and other projects; for example, the content disclosed in Patent 201811264662.4 - A high and low temperature environmental chamber dew point control system.

[0004] In addition, due to the particularity of new energy vehicle battery performance testing, in order to prevent abnormal overheating or fire due to battery overheating during the test, a rapid battery cooling system needs to be installed in the cabin; traditional high and low temperature environment cabins do not have a rapid battery cooling system.

[0005] Therefore, in order to improve or solve at least one of the above problems, it is necessary to optimize the design of the existing high and low temperature environment chamber. Summary of the invention

[0006] The purpose of the present invention is to provide a high and low temperature environment chamber with high safety and protection.

[0007] In order to achieve the above object, the technical solution adopted by the present invention is:

[0008] A high and low temperature environment chamber, comprising a chamber body, wherein the chamber body is hollow inside to form a test cavity; a door is provided on the chamber body, and a chamber door is provided inside the door; and a sealing structure is provided at the connection between the chamber door and the door;

[0009] The cabin body is provided with a liquid supply structure for supplying water into the cabin body.

[0010] The liquid supply structure includes a water supply mechanism, and the water supply mechanism includes a water inlet arranged on the cabin; the water inlet is connected to a water supply unit;

[0011] The spray structure also includes a drainage mechanism; the drainage mechanism includes a drainage port arranged on the cabin body; the drainage port is connected to a drainage pipe.

[0012] The liquid supply structure also includes a spray structure; the spray structure includes a spray pipe arranged on the top of the cabin body, and a nozzle is arranged on the spray pipe; the spray pipe is connected to a water supply unit.

[0013] The sealing structure comprises a sealing strip arranged between the doorway and the cabin door.

[0014] The cabin is provided with a detection system, which includes a detection module, the detection module is connected to a control module, and the control module is connected to an execution module.

[0015] The cabin body includes a bottom plate, side plates and an upper plate; the bottom plate is connected to the upper plate through the side plates; the side plates include a plurality of lateral plates; each of the lateral plates includes a plurality of single plates, and adjacent single plates are connected in sequence; the bottom plate includes a bottom plate body, and the bottom plate body includes a plurality of supporting plates; adjacent supporting plates are connected in sequence.

[0016] Adjacent single plate members are connected in sequence, and the adjacent single plate members are connected by welding, and the welds between the adjacent single plate members are distributed along the longitudinal direction.

[0017] The supporting plate body comprises a plate body, and a crushing protrusion is arranged on the plate body.

[0018] The vertical cross section of the crushing protrusion is an isosceles triangle.

[0019] A method for using a high and low temperature environment chamber, the method comprising the following steps:

[0020] Step 1: Place the battery to be tested in the cabin;

[0021] Step 2: Then perform the test operation of the battery to be tested;

[0022] During the battery test;

[0023] When the temperature of the battery to be tested is abnormal or catches fire, the water supply unit starts to cool down the battery to be tested or extinguish the fire;

[0024] Step 3: After step 2 is completed, the drainage mechanism is turned on to discharge the water in the cabin;

[0025] Step 4: After completing step 3, remove the battery to be tested.

[0026] The advantages of the present invention are:

[0027] The invention discloses a high and low temperature environment chamber and a use method thereof.

[0028] The high and low temperature environment chamber disclosed by the present invention has a simple overall structure and can also be improved on the basis of the existing old high and low temperature environment chamber, thereby greatly reducing the production cost of the high and low temperature environment chamber.

[0029] At the same time, the present invention ensures the tight connection between the cabin door and the cabin body by setting a sealing structure.

[0030] In addition, the present invention can start the liquid supply structure to cool down or extinguish the battery under test when the temperature of the battery under test is abnormal or a fire occurs in the cabin, thereby ensuring the safety of the battery under test. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The following is a brief description of the contents expressed in the drawings of the present invention and the symbols in the drawings:

[0032] Figure 1 It is a schematic diagram of the structure of the present invention.

[0033] Figure 2 It is a cross-sectional view of the cabin body in the present invention.

[0034] Figure 3 It is a top view of the cabin in the present invention.

[0035] Figure 4 This is the liquid supply structure in the present invention.

[0036] Figure 5 It is a schematic diagram of the structure of the optimized support plate in the present invention.

[0037] Support plate

[0038] The marks in the above figure are:

[0039] 1. Cabin hull, 2. Side panels, 3. Bottom panel, 4. Hatch door. DETAILED DESCRIPTION

[0040] The specific implementation of the present invention will be further explained in detail below by describing the optimal embodiment with reference to the accompanying drawings.

[0041] A high and low temperature environment chamber comprises a chamber body 1, wherein the chamber body 1 is hollow inside to form a test cavity; a door 41 is provided on the chamber body 1, and a chamber door 4 is provided inside the door 41; a sealing structure is provided at the connection between the chamber door 4 and the door 41; a liquid supply structure for supplying water to the chamber body 1 is provided on the chamber body 1; the high and low temperature environment chamber disclosed by the present invention can be improved on the basis of the existing old high and low temperature environment chamber, which greatly reduces the production cost of the high and low temperature environment chamber.

[0042] At the same time, the present invention ensures the tight connection between the cabin door 4 and the cabin body 1 by setting a sealing structure.

[0043] In addition, the present invention provides a liquid supply structure, which can be activated when the temperature of the battery 5 to be tested in the cabin is abnormal or a fire occurs; the battery 5 to be tested can be cooled down or the fire can be extinguished; and the safety of the test of the battery 5 to be tested is ensured.

[0044] The present invention discloses a high and low temperature environment chamber, comprising a chamber 1, wherein the chamber 1 is hollow inside to form a test cavity; a door 41 is provided on the chamber 1, and a chamber door 4 is provided inside the door 41; the chamber 1 is generally a rectangular box structure, and is hollow inside; the test cavity is a space for storing a battery 5 to be tested. In addition, in the present invention, a door 41 is provided on the chamber 1, and a chamber door 4 is provided inside the door 41, and the chamber door 4 facilitates the opening and closing of the chamber 1 and the removal and entry of the battery 5 to be tested.

[0045] In addition, in the present invention, a sealing structure is provided at the connection between the hatch 4 and the doorway 41; the sealing structure is mainly arranged at the connection between the hatch 4 and the doorway 41 to ensure the tightness of the connection between the hatch 4 and the doorway 41, and the sealing method can refer to the existing hatch 4 structure; the purpose is to make the sealing effect of the connection between the hatch 4 and the doorway 41 meet the design requirements after the hatch 4 is closed, so as to facilitate subsequent water storage operations; the sealing structure includes a sealing strip arranged between the doorway 41 and the hatch 4.

[0046] In addition, in the present invention, the cabin 1 is provided with a liquid supply structure for supplying water into the cabin 1; the liquid supply structure mainly plays the role of extinguishing water.

[0047] Furthermore, in the present invention, the liquid supply structure includes a water supply mechanism, and the water supply mechanism includes a water inlet 1-1 arranged on the cabin 1; the water inlet 1-1 is connected to a water supply unit; the water supply unit is mainly used to supply liquid to the water inlet 1-1, and the water supply unit may include a water supply pipe 9, a control valve is provided on the water supply pipe 9, a water supply pump is connected to the water supply pipe 9, and the water supply pump is connected to a water supply tank; based on such a setting, when the cabin 1 catches fire, the water supply pump supplies water to the water supply pipe 9, and the supplied water enters the interior of the cabin 1 through the water inlet 1-1, which facilitates the water to enter the cabin 1 to realize the fire extinguishing operation of the battery.

[0048] In addition, the spray structure in the present invention also includes a drainage mechanism; the drainage mechanism includes a drainage port 1-2 arranged on the cabin 1; the drainage port 1-2 is connected to a drainage pipe 93; the setting of the drainage mechanism can discharge the fire extinguishing water after the fire in the cabin 1 is completed; a control valve can be set on the drainage pipe 93, and a drainage pump 94 can be connected.

[0049] Furthermore, in the present invention, the liquid supply structure also includes a spray structure; the spray structure includes a spray pipe 91 arranged on the top of the cabin 1, and a nozzle 92 is provided on the spray pipe 91; the spray pipe 91 is connected to a water supply unit; the spray structure is another fire extinguishing method. The above-mentioned water supply mechanism of the present invention supplies water into the cabin 1 so that the water submerges the battery 5 to be tested, thereby controlling the fire, and the spray structure of the present invention mainly sprays water from the upper plate of the cabin 1, and the basic purpose is to realize the spray fire extinguishing operation; the water supply mechanism in the present invention uses a large amount of water for fire extinguishing, but has a good fire extinguishing effect, and the spray structure uses a small amount of water for fire extinguishing, but has a low fire extinguishing efficiency for large fires.

[0050] Furthermore, in the present invention, a detection system is provided in the cabin 1, and the detection system includes a detection module, the detection module is connected to a control module, and the control module is connected to an execution module; the detection module is mainly attached to a temperature sensor 6 on the battery 5 to be tested, a smoke sensor 8 arranged on the inner wall of the cabin 1, and a liquid level sensor 7 arranged in the cabin 1; the detection module is mainly used to receive and identify the signal transmitted by the detection module, and perform identification and judgment, and then issue instructions to control the action of the execution module. In the present invention, the control module can be a controller, an industrial computer or a PLC controller; the execution module can be a water pump or a drainage pump.

[0051] Furthermore, in the present invention, the cabin body 1 includes a bottom plate 3, a side plate 2 and an upper plate; the bottom plate 3 is connected to the upper plate through the side plate 2; based on the coordinated use of the bottom plate 3, the side plate 2 and the upper plate, it is convenient to form an internal hollow box structure.

[0052] In addition, the side panel 2 described in the present invention includes a plurality of lateral panels 21; each of the lateral panels 21 includes a plurality of single panels 22, and adjacent single panels 22 are connected in sequence; based on such a setting, it can be known that the side panel 2 disclosed in the present invention is composed of a plurality of lateral panels 21, and at the same time, the lateral panel 21 is composed of a plurality of single panels 22. Based on such a design, the assembly operation of the lateral panels 21 is facilitated. In addition, the bottom plate 3 described in the present invention is provided with a bottom plate body 31, and the bottom plate body 31 includes a plurality of support plate bodies 32; adjacent support plate bodies 32 are connected in sequence; the support plate bodies 32 are spliced ​​with each other to form the overall structure of the bottom plate 3.

[0053] At the same time, in the present invention, adjacent single panels 22 are connected in sequence, and adjacent single panels 22 are connected by welding, and the welds 101 between adjacent single panels 22 are distributed longitudinally; based on such a setting, it is convenient for water to flow along the welds 101 into the cabin 1; and the existence of the welds 101 is avoided, which causes water to accumulate on the side panels 2.

[0054] Furthermore, in the present invention, the support plate body 32 includes a plate body, and a crushing protrusion 323 is provided on the plate body; the plate body is a flat plate structure, and the crushing protrusion 323 is provided on the plate body, so that the plate body has a protrusion. Such a configuration not only increases the roughness of the upper surface of the support plate body 32, but also enables the crushing protrusion 323 to crush the sprayed water, thereby increasing the crushing probability of the sprayed water, thereby optimizing the atomization of the initial sprayed water, and better reducing the flammability of combustibles; at the same time, increasing the water content of the air in the cabin 1; reducing the probability of a small fire turning into a large fire.

[0055] In addition, in the present invention, the vertical cross-section of the crushing protrusion 323 is an isosceles triangle; adjacent crushing protrusions 323 are distributed in parallel at intervals, based on such a setting.

[0056] The crushing protrusion 323 has a good protective function during normal use, preventing operators from slipping when entering the cabin. In addition, it also has a crushing effect during early use; it mainly impacts the water sprayed by the spraying mechanism in the early stage, increases the atomization degree of the water, and is beneficial to subsequent fire extinguishing and cooling operations. In addition, during subsequent use, the crushing and draining disclosed by the present invention also plays a good role in diversion and drainage, which facilitates the subsequent water discharge operation and avoids the formation of vortices at the bottom of the cabin 1.

[0057] Furthermore, in the present invention, the plate body includes a substrate body 321 and an upper plate body 322; the upper plate body 322 is arranged on the substrate body 321, and the upper plate body 322 includes a plurality of splicing plates 3221; adjacent splicing plates 3221 are butted against each other on the sides; adjacent splicing plates 3221 can also be connected by welding. Based on the above design, it can be known that the plate body of the present invention can be assembled to reduce the difficulty of producing the plate body.

[0058] In addition, in the present invention, the above-mentioned crushing protrusions 323 are respectively arranged on the upper plate body 322.

[0059] A method for using a high and low temperature environment chamber, the method comprising the following steps:

[0060] Step 1: Place the battery 5 to be tested in the cabin 1;

[0061] Step 2: Then, the test operation of the battery 5 to be tested is performed;

[0062] During the test of the battery 5 under test;

[0063] When the temperature of the battery 5 to be tested is abnormal or a fire occurs, the water supply unit is started to cool down the battery 5 to be tested or to extinguish the fire;

[0064] Step 3: After step 2 is completed, the drainage mechanism is turned on to discharge the water in the cabin;

[0065] Step 4: After step 3 is completed, remove the battery 5 to be tested.

[0066] Based on the above design, the protection operation during the test of the battery 5 can be more conveniently implemented.

[0067] specific:

[0068] The present invention discloses a high and low temperature environment chamber, comprising a chamber body 1, wherein the chamber body 1 is hollow inside to form a test cavity; a doorway 41 is provided on the chamber body 1, and a chamber door 4 is provided inside the doorway 41; a sealing structure is provided at the connection between the chamber door 4 and the doorway 41; a liquid supply structure for supplying water to the chamber body 1 is provided on the chamber body 1; the high and low temperature environment chamber disclosed in the present invention can be improved based on an old high and low temperature environment chamber, thereby reducing the production cost of the main structure of the high and low temperature environment chamber.

[0069] In addition, the high and low temperature environment chamber disclosed in the present invention is mainly used for the development and verification needs of independent testing of automobile battery performance and system testing of whole vehicle battery performance.

[0070] At the same time, it can quickly respond and handle situations such as hidden dangers or fires caused by the particularity of the battery test section during the test.

[0071] The cabin 1 of the present invention is mainly provided with a sealing structure, a liquid supply mechanism and a control system.

[0072] The control system detects the temperature of the battery 5 to be tested through the temperature sensor 6 and quickly responds to hidden dangers or fires; and meets the requirements of rapid cooling of abnormal conditions such as over-temperature or fire.

[0073] This protects the battery 5 to be tested and the testing equipment.

[0074] The present invention realizes the performance test of the battery 5 to be tested or the battery of a whole vehicle by modifying the old high and low temperature environment chamber; the modification can effectively prevent the potential safety hazard caused by the abnormal temperature of the battery 5 to be tested during the test; the modification plan adopts a new method of re-welding and sealing the joints of the cabin body 1 and improving the sealing of the cabin door 4, and monitoring the temperature of the battery 5 to be tested and quickly responding to abnormal conditions such as overheating or fire. The purpose is to meet the need that the traditional high and low temperature environment chamber does not have the safety measures for automobile battery performance testing, facilitate the improvement of equipment development and verification capabilities, and protect the functions of the battery 5 to be tested and the battery testing equipment of the whole vehicle.

[0075] In addition, in the present invention, the seams of the cabin 1 are welded and the hatch 4 is modified with a sealing strip to ensure that there is no leakage after the water is stored in the cabin 1; when the battery 5 to be tested has an abnormal temperature or catches fire, the water injected into the cabin through the liquid supply structure can quickly cool the battery 5 to be tested;

[0076] As shown in the figure, the control system detects the temperature of the test unit in the cabin 1 and the ambient temperature in the cabin 1 in real time through the smoke sensor on the upper plate of the cabin 1 and the patch temperature sensor 6 on the battery 5 to be tested; when the temperature of the battery 5 to be tested is abnormal or catches fire, the liquid supply structure is started to realize the water supply operation.

[0077] When supplying water, different water supply methods can be selected based on different fire conditions. Of course, water can also be supplied simultaneously, specifically, the water supply mechanism and / or the sprinkler structure can work.

[0078] In the present invention, the control valve on the corresponding pipeline can be a solenoid valve.

[0079] After the liquid supply structure supplies water into the cabin 1, the battery can be cooled by spraying water from top to bottom in all directions, thereby preventing the battery 5 to be tested and the environmental chamber equipment itself from being damaged.

[0080] When the abnormal situation of the battery 5 to be tested is properly handled, the drainage solenoid valve and the drainage pump can be manually started to drain the water in the cabin; and the test samples and tooling are removed.

[0081] Obviously, the specific implementation of the present invention is not limited to the above-mentioned methods. As long as various non-substantial improvements are made using the method concept and technical solution of the present invention, they are all within the protection scope of the present invention.

Claims

1. A high and low temperature environment chamber, characterized in that: It comprises a cabin, the interior of which is hollow to form a test cavity; a door is provided on the cabin, a cabin door is provided inside the door; a sealing structure is provided at the connection between the cabin door and the door; The cabin body is provided with a liquid supply structure for supplying water into the cabin body.

2. A high and low temperature environment chamber according to claim 1, characterized in that: The liquid supply structure includes a water supply mechanism, and the water supply mechanism includes a water inlet arranged on the cabin; the water inlet is connected to a water supply unit; The spray structure also includes a drainage mechanism; the drainage mechanism includes a drainage port arranged on the cabin; The drain outlet is connected with a drain pipe.

3. A high and low temperature environment chamber according to claim 2, characterized in that: The liquid supply structure also includes a spray structure; the spray structure includes a spray pipe arranged on the top of the cabin body, and a nozzle is arranged on the spray pipe; the spray pipe is connected to a water supply unit.

4. A high and low temperature environment chamber according to claim 1, characterized in that: The sealing structure comprises a sealing strip arranged between the doorway and the cabin door.

5. A high and low temperature environment chamber according to claim 1, characterized in that: The cabin is provided with a detection system, which includes a detection module, the detection module is connected to a control module, and the control module is connected to an execution module.

6. A high and low temperature environment chamber according to claim 1, characterized in that: The cabin body includes a bottom plate, side plates and an upper plate; the bottom plate is connected to the upper plate through the side plates; the side plates include a plurality of lateral plates; each of the lateral plates includes a plurality of single plates, and adjacent single plates are connected in sequence; the bottom plate includes a bottom plate body, and the bottom plate body includes a plurality of supporting plates; adjacent supporting plates are connected in sequence.

7. A high and low temperature environment chamber according to claim 7, characterized in that: Adjacent single plate members are connected in sequence, and the adjacent single plate members are connected by welding, and the welds between the adjacent single plate members are distributed along the longitudinal direction.

8. A high and low temperature environment chamber according to claim 6, characterized in that: The supporting plate body comprises a plate body, and a crushing protrusion is arranged on the plate body.

9. A high and low temperature environment chamber according to claim 7, characterized in that: The vertical cross section of the crushing protrusion is an isosceles triangle.

10. A method for using a high and low temperature environment chamber, characterized in that: The method of use comprises the following steps: Step 1: Place the battery to be tested in the cabin; Step 2: Then perform the test operation of the battery to be tested; During the battery test; When the temperature of the battery to be tested is abnormal or catches fire, the water supply unit starts to cool down the battery to be tested or extinguish the fire; Step 3: After step 2 is completed, the drainage mechanism is turned on to discharge the water in the cabin; Step 4: After completing step 3, remove the battery to be tested.

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