A kind of battery temperature acquisition structure
Technical field
The utility model relates to battery temperature acquisition technique fields, and in particular to a kind of battery temperature acquisition structure.
Background technique
Power battery pack is the core component of the electrical equipments such as electric car, provides electric energy for electric car etc., thus
Drive the operating such as vehicle.Since the power battery used in the electrical equipments such as vehicle generally requires higher voltage level, institute
Usually to need for multiple battery cells to be connected in series.When monomer capacity is smaller, it is also necessary to multiple battery cells are in parallel, then
It connects.It requires connector when battery cell serial or parallel connection to connect the pole of adjacent cell, in order to ensure battery
Safe handling improves battery life, needs to monitor the use state of battery, and the temperature of pole connector is the data of monitoring
One of.
The acquisition of battery temperature is measured using flexible circuit board in the prior art, is set between flexible circuit board and battery
It is equipped with the nickel sheet for transmitting temperature, temperature when battery works is transmitted to the another of connection flexible circuit board from one end of nickel sheet
End, temperature can be lost during transmitting, and causing the collected temperature of flexible circuit board with actual battery temperature, there are larger
Deviation.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome defect in the prior art, to provide one kind
The battery temperature acquisition structure of battery temperature can accurately be measured.
A kind of battery temperature acquisition structure, including the battery pack as made of several battery combinations and setting are in the battery pack
The flexible circuit board of top, the edge of the flexible circuit board are arranged at intervals with several temperature reception areas, the battery with it is described
Nickel sheet is provided between temperature reception area, the temperature in the nickel sheet can be acquired and be transmitted to by being provided with above the nickel sheet
The temperature acquisition board in the temperature reception area.
The temperature acquisition board includes the tie point of fitting corresponding with the receiving point in the temperature reception area, along described
The temperature-sensitive collection point that nickel sheet extends to the battery direction, the tie point and the temperature-sensitive collection point pass through connection.
The receiving point includes positive receiving point and cathode receiving point;The receiving point is not connect with the nickel sheet.
The tie point corresponding with the receiving point include the positive tie point being connect with the positive receiving point and with
The cathode tie point of the cathode receiving point connection, the temperature-sensitive collection point includes that the positive temperature-sensitive opposite with the receiving point is adopted
Collection point and cathode temperature-sensitive collection point.
The anode temperature-sensitive collection point and cathode temperature-sensitive collection point are close to each other.
Bond plies are covered between the nickel sheet and the temperature acquisition board.
The stiffening plate for enhancing intensity is provided in the nickel sheet.
The receiving point and tie point are welded and fixed after the nickel sheet presses the stiffening plate by chip mounter.
Technical solutions of the utility model have the advantages that
1. battery temperature provided by the utility model acquires structure, including the battery pack as made of several battery combinations and set
Flexible circuit board square on the battery pack is set, the edge of flexible circuit board is arranged at intervals with several temperature reception areas, battery and temperature
It is provided with nickel sheet between degree reception area, the temperature that can be acquired in nickel sheet is provided with above nickel sheet and is transmitted to temperature reception area
Temperature acquisition board;The temperature acquisition board being connected to flexible circuit board is arranged in the top of nickel sheet for above-mentioned temperature acquisition structure, makes
The acquisition for obtaining temperature can reduce temperature difference existing for causing between nickel sheet both ends because of the loss of the temperature of nickel sheet close to battery,
The temperature for more accurately measuring battery guarantees the normal operation of battery, and then guarantees the safety of passenger.
2. battery temperature provided by the utility model acquires structure, temperature acquisition board includes the receiving point with temperature reception area
The tie point of corresponding fitting, along the temperature-sensitive collection point that nickel sheet extends to battery direction, tie point and temperature-sensitive collection point pass through route
Connection;The temperature-sensitive collection point of temperature acquisition board can thus be such that temperature acquisition board collects and most connect close to battery in above structure
Data, are then transmitted on flexible circuit board and controller by route and tie point, guarantee to adopt by the temperature of nearly battery itself
Collect the temperature closest to battery temperature, reduces loss of the temperature in transmittance process, enable controller to obtain temperature and more connect
Nearly actual temperature, so that adjusting accurate and reliable.
3. battery temperature provided by the utility model acquires structure, heat-conducting double-sided is covered between nickel sheet and temperature acquisition board
Glue;This structure can make the temperature of temperature acquisition board and the temperature close of nickel sheet, while guarantee between nickel sheet and temperature fixed plate
It is fixed.
4. battery temperature provided by the utility model acquires structure, the stiffening plate for enhancing intensity is provided in nickel sheet;
Receiving point and tie point are welded and fixed after nickel sheet presses stiffening plate by chip mounter;Nickel sheet is first welded to flexible circuit board
On, then stiffening plate is arranged on flexible circuit board, it is in order to by temperature acquisition piece so finally in connection temperature acquisition piece
Assembly is arranged in behind stiffening plate connection, is avoided that when installing stiffening plate and is damaged to temperature acquisition board.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram that battery temperature provided by the utility model acquires structure;
Fig. 2 is the partial enlarged view of A shown in Fig. 1;
Description of symbols: 1, battery pack;2, flexible circuit board;3, nickel sheet;4, temperature acquisition board;41, tie point;42,
Temperature-sensitive collection point;5, stiffening plate.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
As shown in Figure 1, battery temperature acquisition structure includes the battery pack 1 as made of several battery combinations and is arranged described
The flexible circuit board 2 of 1 top of battery pack, the both sides of the edge of the flexible circuit board 2 are arranged at intervals with several temperature reception areas, institute
It states temperature reception area and several batteries corresponds, be provided between the battery and the temperature reception area for transmitting
The nickel sheet 3 of temperature, the top of the nickel sheet 3 are fitted with the temperature that can be acquired in the nickel sheet 3 and are transmitted to the temperature reception
The temperature acquisition board 4 in area.
The temperature acquisition being connected to the flexible circuit board 2 is arranged in the top of the nickel sheet 3 for above-mentioned temperature acquisition structure
Plate 4 enables the acquisition of the temperature close to the battery, and reducing leads to 3 liang of the nickel sheet because of the loss of the temperature of nickel sheet 3
Existing temperature difference between end, more accurately measures the temperature of the battery, guarantees the normal operation of battery, and then guarantees to multiply
The safety of visitor.
As shown in Fig. 2, the temperature acquisition board 4 includes the company of fitting corresponding with the receiving point in the temperature reception area
Contact 41, along the temperature-sensitive collection point 42 that the nickel sheet 3 extends to the battery direction, the tie point 41 is acquired with the temperature-sensitive
Point 42 passes through connection;The temperature-sensitive collection point 42 of temperature acquisition board 4 described in above structure is close to the battery, in this way
The temperature acquisition board 4 can be made to collect the temperature closest to battery itself, data are then passed through into route and tie point 41
It is transmitted on flexible circuit board 2 and controller, guarantees to collect the temperature closest to the battery temperature, reduce temperature and transmitting
Loss in the process enables controller to obtain temperature closer to actual temperature, so that adjusting accurate and reliable.
The receiving point includes positive receiving point and cathode receiving point;The receiving point is not connect with the nickel sheet 3.With institute
State the corresponding tie point 41 of receiving point include the positive tie point 41 being connect with the positive receiving point and with the cathode
The cathode tie point 41 of receiving point connection, the temperature-sensitive collection point 42 includes the positive temperature-sensitive collection point opposite with the receiving point
With cathode temperature-sensitive collection point.
The anode temperature-sensitive collection point and cathode temperature-sensitive collection point are close to each other, also, the positive temperature-sensitive collection point and
Center line of the cathode temperature-sensitive collection point close to the temperature acquisition board 4;It is the accuracy in order to guarantee temperature collection in this way, in temperature
It spends in transmittance process, the middle position temperature leak of the nickel sheet 3 is slow compared with two sides, is thus avoided that the temperature of acquisition is inaccurate
Really.
Bond plies are covered between the nickel sheet 3 and the temperature acquisition board 4, the bond plies can be by temperature
It is rapidly performed by transmitting between the nickel sheet 3 and temperature acquisition board 4, while playing good fixed function;This structure energy
Make the temperature of the temperature acquisition board 4 and the temperature close of the nickel sheet 3, while guaranteeing that the nickel sheet 3 is fixed with the temperature
It is fixed between plate.
The stiffening plate 5 for enhancing intensity is provided in the nickel sheet 3;The receiving point and tie point 41 are in the nickel sheet
It is welded and fixed after the 3 pressing stiffening plates 5 by chip mounter;First the nickel sheet 3 is welded on the flexible circuit board 2, then
The stiffening plate 5 is arranged on the flexible circuit board 2, is finally connecting the temperature acquisition piece, is in order to by institute in this way
The assembly for stating temperature acquisition piece is arranged in behind the connection of stiffening plate 5, is avoided that when installing stiffening plate 5 to the temperature
Collection plate 4 damages.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.