Arrangement structure in multi-channel battery testing device

Abstract

The utility model discloses an arrangement structure in a multichannel battery testing device, which comprises a bottom shell, an upper cover, a test circuit board, a main power supply, a main power supply transformer, a heat dissipation fan and a fan power supply, the bottom shell comprises a bottom plate, a pair of side plates, a front panel and a rear panel, a partition plate is arranged on the bottom plate between the front panel and the rear panel, the bottom shell is divided into a front part and a rear part, and the test circuit board is arranged on the bottom plate. The test circuit board is arranged in the front portion of the bottom shell, the fan power source, the main power source and the transformer of the fan power source are arranged in the rear portion of the bottom shell, the fan power source and the main power source are located on the two sides of the transformer of the main power source and close to the side plates on the corresponding sides respectively, and the side plates on the two sides are provided with air inlets facing the main power source or the fan power source. And the heat dissipation fan is arranged on the rear panel over against the air outlet. The multi-channel battery testing device adopting the arrangement structure is particularly suitable for testing various indexes of button batteries, small 3C batteries or small soft package batteries in design, development and pilot production testing, electrochemical research and material research.

Description

TECHNICAL FIELD

[0001] The utility model relates to a battery testing device, more particularly to a kind of arrangement structure in multi-channel battery testing device. BACKGROUND

[0002] It is known to those skilled in the art that it is necessary to test various indexes such as capacity, cycle life, safety, working condition and environment of the battery during the design and development test production test stage of button cell, small 3C battery or small soft package battery. At present, the traditional method is: manually holding the testing instrument to measure the battery one by one. Since the current is very small (usually only a few milliamperes) during testing, because the current is small, when doing electrochemical research of material research, since the internal resistance of experimental battery device is large, sampling equipment with input internal resistance of more than GΩ is needed, the input impedance of general handheld multimeter is usually about 1MΩ, and in addition, manual testing will easily produce cumulative error due to the contact resistance when the probe is in contact, thereby causing large measurement error, and further affecting the testing accuracy. Moreover, the efficiency of such manual testing is also low. CONTENT OF UTILITY MODEL

[0003] The utility model solves the technical problem that: provide a kind of arrangement structure in multi-channel battery testing device that can improve testing accuracy and efficiency.

[0004] The utility model provides to adopt the technical scheme that a kind of arrangement structure in the multi-channel battery testing device, comprising: bottom shell, and the upper cover being set on bottom shell, test circuit board and the main power supply and main power supply transformer for the power supply of test circuit board, cooling fan and the fan power supply for the power supply of cooling fan, the bottom shell includes: bottom plate and the front, rear panel and a pair of side plates being set on bottom plate, the bottom plate is set with baffle between front, rear panel, the bottom shell is separated into front, rear portion, the space in bottom shell front portion is front area, the space in bottom shell rear portion is rear area, the middle part of the baffle is provided with louver structure's ventilation opening, at least the baffle is provided with wire hole or wire gap on the side of ventilation opening, the test circuit board is set in the front area of bottom shell, the fan power supply, main power supply and main power supply transformer are set in the rear area of bottom shell, wherein the fan power supply, main power supply are located on the two sides of main power supply transformer, and are respectively close to the side plate of corresponding side, the side plate on two sides is provided with air inlet on the part between the baffle and rear panel, wherein the air inlet on one side of side plate is opposite fan power supply, the air inlet on the other side of side plate is opposite main power supply, the rear panel is provided with air outlet in the middle, the cooling fan is set on rear panel and is opposite air outlet, the front panel is provided with battery test connector, which is corresponding with the plurality of battery test channels on the test circuit board, the rear panel or the side plate is provided with ac power socket between the baffle and rear panel, ac power socket is connected with the primary coil of main power supply transformer, and the secondary coil of main power supply transformer is connected with the main power supply.

[0005] As a preferred scheme, in the arrangement structure in the multi-channel battery testing device, the bottom shell is provided with limiting fixed plate on the two sides of front panel, and the limiting fixed plate is parallel with front panel.

[0006] As a preferred scheme, in the arrangement structure in the multi-channel battery testing device, the specific installation mode of the limiting fixed plate is that the inner end of the limiting fixed plate is vertically provided with supporting fixed plate, and the supporting fixed plate is detachably arranged on the side plate.

[0007] As a preferred scheme, in the arrangement structure in the multi-channel battery testing device, the baffle is provided with wire hole or wire gap on the two sides of ventilation opening.

[0008] As a preferred scheme, in the arrangement structure in the multi-channel battery testing device, the front panel is provided with display window.

[0009] As a preferred scheme, in the arrangement structure in the multi-channel battery testing device, the front panel is provided with power switch.

[0010] As a preferred scheme, in the arrangement of the multi-channel battery testing device, the communication interface plate is arranged on the rear panel.

[0011] As a preferred scheme, in the arrangement of the multi-channel battery testing device, the AC power socket is arranged on the rear panel.

[0012] As a preferred scheme, in the arrangement of the multi-channel battery testing device, the front panel is further provided with channel state indicator lamps corresponding to the plurality of battery testing channels on the testing circuit board.

[0013] As a preferred scheme, in the arrangement of the multi-channel battery testing device, the air inlet comprises a plurality of air inlet holes arranged vertically and parallel to each other.

[0014] The utility model discloses the beneficial effect is:

[0015] 1, the utility model discloses a plurality of battery testing channels are set up on the testing circuit board, and the battery testing connector corresponding to the plurality of battery testing channels is set up on the front panel, and a plurality of batteries can be reliably tested at one time, and the testing precision and efficiency are greatly improved.

[0016] 2, the utility model discloses setting up the baffle in the bottom shell, and the space in the bottom shell is divided into the front area and rear area, the air inlet is opened in the rear part of the bottom shell, the main power transformer, fan power and main power of large heat output are set up in the rear area of the bottom shell, and the testing circuit board of smaller heat output is placed in the front area (dust-free area), and the air vent of louver structure is set up on the baffle to solve the heat dissipation of the testing circuit board, so that the dust does not enter the front area of the bottom shell, and the testing circuit board in the front area is well protected.

[0017] 3, the utility model discloses setting up the main power transformer between the main power and fan power, and making it close to the air outlet of the heat dissipation fan, and the heat dissipation effect of the main power transformer is greatly improved.

[0018] 4, the utility model discloses setting up detachable limiting fixed plate, so that the testing device can be installed in various drawer type cabinets, and can be directly placed on the test bench, and is very convenient and flexible to use.

[0019] 5, the utility model discloses setting up the display window on the front panel, and can very intuitively know various states and information during testing.

[0020] 6, the utility model discloses setting up the channel state indicator lamp corresponding to the plurality of battery testing channels on the testing circuit board on the front panel, and the working state of various channels is more intuitive.

[0021] 7. The utility model discloses a power switch is set up on the front panel to not have to plug the power plug when the opening and closing of the machine, avoid the phenomenon of striking when plugging, prolong the service life of corresponding socket, also reduced the labor intensity of operating personnel. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a kind of arrangement structure's three-dimensional structure schematic diagram in the multi-channel battery testing device of the utility model.

[0023] Figure 1 The reference numerals in the drawings are as follows: 1, upper cover, 20, bottom plate, 21, left side plate, 22, right side plate, 221, air inlet, 23, front panel, 24, rear panel, 25, partition, 251, vent, 252, wire hole, 28, limit fixed plate, 281, support fixed plate, 30, test circuit board, 31, fan power, 32, main power transformer, 33, main power, 34, cooling fan, 35, communication interface board, 36, battery test connector, 361, channel state indicator light, 37, display window, 38, power switch, 39, AC power socket. DETAILED DESCRIPTION

[0024] The utility model discloses a kind of arrangement structure in the multi-channel battery testing device described in the detailed implementation scheme of the utility model.

[0025] As Figure 1The utility model discloses a kind of arrangement structures in the multi-channel battery testing device shown, comprising: bottom shell and setting on bottom shell upper cover 1, test circuit board 30 and main power transformer 32 and main power 33 for the power supply of test circuit board 30, heat dissipation fan 34 and fan power 31 for the power supply of heat dissipation fan 34, the bottom shell includes: bottom plate 20 and around bottom plate 20, with the corresponding edge of bottom plate 20, front panel 23, left side plate 21, rear panel 24 and right side plate 22, the bottom plate 20 is provided with transverse partition 25 between front panel 23 and rear panel 24, the bottom shell is separated into front, rear portion, the space in bottom shell front portion is front area (dust-free area), the space in bottom shell rear portion is rear area (centralized heat dissipation area), the middle part of partition 25 is provided with louver structure's ventilation opening 251, the partition 25 is provided with wire hole 252 on the two sides of ventilation opening 251 respectively, the test circuit board 30 is arranged in the front area of bottom shell, the fan power 31, main power transformer 32 and main power 33 are arranged in the rear area of bottom shell, fan power 31, main power 33 are located on the two sides of main power transformer 32, fan power 31 is close to left side plate 21, main power 33 is close to right side plate 22, right side plate 22 is provided with air inlet 221 on the side of main power 33, which is composed of multiple mutually parallel, vertical arrangement, left side plate 21 is provided with air inlet (see air inlet 211) on the side of fan power 31, the rear panel 24 is centrally provided with air outlet, the heat dissipation fan 34 is arranged on the rear panel 24 opposite the air outlet (belong to the conventional technology in the art, not expand description here), the front panel 23 is provided with display window 37 and power switch 38, and battery test connector 36 corresponding to multiple battery test channels on test circuit board 30, the rear panel 24 is provided with ac power socket 39 on one side thereof, the rear panel 24 is provided with communication interface board 35 on the other side thereof, the ac power socket 39 is connected with the primary coil of main power transformer 32, the secondary coil of main power transformer 32 is connected with main power 33 (belong to the conventional technology in the art, not expand description here);In the embodiment, the left side plate 21 and the left side of front panel 23, the right side plate 22 and the right side of front panel 23 are respectively provided with limit fixing plate 28 which is parallel to front panel 23, long circular through hole for fixing is opened on limit fixing plate 28, the specific installation mode of limit fixing plate 28 is that: the inner end of limit fixing plate 28 is vertically provided with supporting fixed plate 281, at least two mounting through holes are opened on the supporting fixed plate 281, mounting holes corresponding to the mounting through holes on the corresponding supporting fixed plate 281 are opened on the left side plate 21 and the right side plate 22, selected screw passes through the mounting through hole on the supporting fixed plate 281 and is arranged in the corresponding mounting hole on the left side plate 21 or the right side plate 22 (belong to the conventional technology in the art, not expand description here), form detachable structure.

[0026] In actual application, the battery test connector 36 adopts an aviation connector; the front panel 23 is provided with a channel state indicating lamp 361 above each battery test connector 36. The main power transformer 32 is a step-down transformer, which converts 220V commercial power into 30V alternating current. The partition plate 25 can also be provided with a wire passing gap at the edge (which is a common technique in the art and will not be described here); the display window can be a digital tube for displaying module address and fault code, or a three-color LED for displaying communication state, or a liquid crystal screen for displaying channel current, voltage and more.

[0027] In actual use, the aviation connector outputs current signals and feedback voltage signals; the display window 37 is used for displaying module address and fault code; and the communication interface board 35 is used for communication with a host computer. The specific working process of the multi-channel battery test device belongs to the common technique in the art and will not be described here.

[0028] In summary, the above is only a preferred embodiment of the utility model, and is not used to limit the scope of the utility model. Any equivalent change and modification made according to the shape, structure, feature and spirit of the utility model shall be included in the scope of the utility model.

Claims

1. An arrangement structure in a multi-channel battery testing device, comprising: The bottom shell and the upper cover arranged on the bottom shell, the test circuit board and the main power supply and main power transformer for supplying power to the test circuit board, the heat dissipation fan and the fan power supply for supplying power to the heat dissipation fan, the bottom shell includes: a bottom plate, and front and rear panels and a pair of side panels arranged on the bottom plate, characterized in that a partition is arranged between the front and rear panels on the bottom plate to separate the bottom shell into front and rear parts, the space in the front part of the bottom shell is the front area, and the space in the rear part of the bottom shell is the rear area, a vent with a shutter structure is opened in the middle of the partition, and a wire hole or a wire notch is provided on at least one side of the vent, the test circuit board is arranged in the front area of ​​the bottom shell, and the fan power supply, main power supply and main power transformer are arranged in the rear area of ​​the bottom shell, wherein the fan power supply The source and the main power supply are located on both sides of the main power transformer and are close to the side panels on the corresponding side respectively. The side panels on both sides are provided with air inlets at the position between the partition and the rear panel, wherein the air inlet on one side panel faces the fan power supply, and the air inlet on the other side panel faces the main power supply. An air outlet is provided in the center of the rear panel, and the heat dissipation fan is arranged on the rear panel facing the air outlet. Battery test connectors corresponding to multiple battery test channels on the test circuit board are provided on the front panel. An AC power socket is provided on the rear panel or one side panel between the partition and the rear panel. The AC power socket is connected to the primary coil of the main power transformer, and the secondary coil of the main power transformer is connected to the main power supply.

2. The arrangement structure in a multi-channel battery testing device according to claim 1, characterized in that: The bottom shell is provided with position-limiting fixing plates on both sides of the front panel, which are flush with the front panel. The position-limiting fixing plates are provided with fixing through holes.

3. The arrangement structure in a multi-channel battery testing device according to claim 2, characterized in that: The specific installation method of the limit fixing plate is: a supporting fixing plate is vertically arranged at the inner end of the limit fixing plate, and the supporting fixing plate is detachably arranged on the side plate on the corresponding side.

4. The arrangement structure in a multi-channel battery testing device according to claim 1, characterized in that: The partition is provided with wire holes or wire gaps on both sides of the vent.

5. The arrangement structure in a multi-channel battery testing device according to claim 1, characterized in that: A display window is provided on the front panel.

6. The arrangement structure in a multi-channel battery testing device according to claim 1, characterized in that: A power switch is provided on the front panel.

7. The arrangement structure in a multi-channel battery testing device according to claim 1, characterized in that: A communication interface board is provided on the rear panel.

8. The arrangement structure in a multi-channel battery testing device according to claim 1, characterized in that: The AC power socket is arranged on the rear panel.

9. The arrangement structure in a multi-channel battery testing device according to claim 1, characterized in that: The front panel is also provided with channel status indicator lights corresponding one to one with the multiple battery test channels on the test circuit board.

10. The arrangement structure in a multi-channel battery testing device according to any one of claims 1 to 9, characterized in that: The air inlet comprises a plurality of air inlet holes which are parallel to each other and arranged vertically.

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