Battery module offline detection device

Abstract

The utility model relates to a battery module offline detection device in the field of battery detection, which comprises an FPC (flexible printed circuit) acquisition head, an acquisition wire harness and a polarity judgment circuit. The polarity judgment circuit is connected with the detection battery module through an FPC (Flexible Printed Circuit) acquisition head; the polarity judgment circuit comprises a plurality of unidirectional light-emitting diodes, a plurality of resistors, a plurality of wires and a circuit interface; and the wire harness of the acquisition wire harness is connected with a circuit interface of the polarity judgment circuit. The circuit polarity detection device specifically detects the polarity of a circuit, detects whether welding is firm or not, correctly judges the polarity of the circuit, and ensures that products are produced according to design requirements; and the production of unqualified products due to product defects caused by polarity errors is effectively avoided, so that the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery module detection field especially relates to a battery module offline detection device. BACKGROUND

[0002] In the test process, the battery pack will find that the module problem is mainly the pressure difference between the module battery, which leads to the final need to disassemble the module from the whole pack, and then measure the battery voltage respectively to determine the problem battery. In the research and development stage, due to small output and unstable module quality, the standardized production line will not be used, so when measuring the battery voltage in this stage, the module cover must be opened, and the operator holds the multimeter to measure the battery voltage one by one, and then records manually.

[0003] The manual recognition of module polarity cannot quickly and accurately judge the polarity due to the difference and instability of personnel, the production efficiency is low, the human operation error is much, and unqualified products are easily produced. UTILITY MODEL CONTENT

[0004] The utility model is directed to the problems in the prior art, and provides a battery module offline detection device.

[0005] A battery module offline detection device, comprising an FPC collection head, a collection wire harness, and a polarity judgment circuit.

[0006] The polarity judgment circuit and the detection battery module are connected through the FPC collection head.

[0007] The polarity judgment circuit comprises a plurality of unidirectional light emitting diodes, a plurality of resistors, a plurality of wires, and a circuit interface.

[0008] The wire harness of the collection wire harness is connected with the circuit interface of the polarity judgment circuit.

[0009] Further, a battery module offline detection device, the unidirectional light emitting diodes, resistors, and circuit interface are connected through wires.

[0010] Further, a battery module offline detection device, a single unidirectional light emitting diode and a single resistor are connected in series through wires.

[0011] Further, a battery module offline detection device, the wire harness of the collection wire harness and the wire number of the polarity judgment circuit are equal.

[0012] Further, a battery module offline detection device, the circuit interface has positive and negative polarity at both ends.

[0013] The utility model discloses a beneficial effect: a battery module offline detection device, according to the circuit interface definition, connect the detection battery module on FPC collection head, the polarity of the circuit is detected pertinently, whether the welding is firm, judges the circuit polarity correctly, ensures the product to produce according to the design demand, effectively avoids the product defect caused by polarity error and produces unqualified product, thereby improves production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a structural schematic diagram of a battery module offline detection device.

[0015] Fig. 2 It is a circuit schematic diagram of polarity judgment circuit.

[0016] In the drawing: 1-FPC collection head, 2-collection wire harness, 3-polarity judgment circuit, 4-detection battery module. DETAILED DESCRIPTION

[0017] In order to have more clear understanding to the technical features, object and effect of the utility model, now the specific implementation mode of the utility model is explained with the drawings.

[0018] As shown in the attached Figs. 1-2 A battery module offline detection device, including FPC collection head 1, collection wire harness 2, polarity judgment circuit 3;

[0019] The polarity judgment circuit 3 and detection battery module 4 are connected through FPC collection head 1;

[0020] The polarity judgment circuit 3 includes a plurality of unidirectional light emitting diodes, a plurality of resistors, a plurality of wires, a circuit interface;

[0021] The wire harness of collection wire harness 2 and the circuit interface of polarity judgment circuit 3 are connected.

[0022] Further, a battery module offline detection device, the unidirectional light emitting diode, resistor, circuit interface are all connected through the wire.

[0023] Further, a battery module offline detection device, a single unidirectional light emitting diode and a single resistor are connected in series through the wire.

[0024] Further, a battery module offline detection device, the wire harness of collection wire harness 2 and the wire number of polarity judgment circuit 3 are equal.

[0025] Further, a battery module offline detection device, the circuit interface both ends are positive and negative polarity.

[0026] A battery module offline detection device, the principle is:

[0027] FPC collection head 1: mainly used for polarity judgment circuit 3 and detection battery module 4 connection;

[0028] Collection harness 2: according to the circuit interface definition, adjust the harness line sequence, adapt to product characteristics;

[0029] Polarity judgment circuit 3: judge the polarity of the detection battery module 4, and have the effect of circuit detection, test whether the welding of the circuit is firm.

[0030] The scheme is through a kind of battery module offline detection device, detection battery module is connected on FPC collection head, the polarity of circuit is detected specifically, whether welding is firm, correct judgment circuit polarity, ensure that product is produced according to design requirement;Effectively avoid the product defect caused by polarity error and produce unqualified product, to improve production efficiency.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The skilled person in the art should understand that the utility model is not limited by the above examples, and the above examples and the description in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements. These changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A battery module off-line testing device, characterized in that, Includes FPC acquisition head (1), acquisition harness (2), and polarity determination circuit (3); The polarity determination circuit (3) and the detection battery module (4) are connected through the FPC acquisition head (1); The polarity determination circuit (3) includes several unidirectional light-emitting diodes, several resistors, several wires, and a circuit interface; The acquisition harness (2) is connected to the circuit interface of the polarity determination circuit (3).

2. The battery module off-line testing device as described in claim 1, characterized in that, The unidirectional light-emitting diode, resistor, and circuit interface are all connected by wires.

3. The battery module off-line testing device as described in claim 2, characterized in that, A single unidirectional light-emitting diode and a single resistor are connected in series via a wire.

4. The battery module off-line testing device as described in claim 1, characterized in that, The number of wires in the acquisition harness (2) is equal to the number of wires in the polarity determination circuit (3).

5. The battery module off-line testing device as described in claim 1, characterized in that, The two ends of the circuit interface are positive and negative polarities.

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