CN206322771U - One kind sampling line row - Google Patents

Abstract

The utility model provides a kind of sampling line row, is provided with sampling and patches female end, and the sampling line row, which can patch female end by the sampling and patch male end with the sampling on cell connector, to be electrically connected.Female end and the cooperation of cell connector in battery modules are patched by sampling, being reliably connected between sampling line row and cell connector is realized, easy to operate, low cost, process are simple.

Description

One kind sampling line row

Technical field

The utility model is related to battery sampling field, more particularly to a kind of sampling line row.

Background technology

With the development of science and technology the particularly development of new energy field, such as the fast development of new-energy automobile, lithium ion The use of battery/electrokinetic cell is more and more frequent.And during the use of battery modules, security performance is its development and used Need overriding concern；For the improvement of battery safety, on the one hand by being improved in itself to battery material, the opposing party Face, then be to carry out discharge and recharge safety management to battery modules；Security control is combined by sampling, it is ensured that the peace that battery modules are used Quan Xing.

In the prior art, it is general to be sampled and monitored using line 30 pairs of battery modules of row of sampling；In battery modules, lead to The connection neighboring unit cell of cell connector 10 is crossed to form battery modules, sampling line row 30 by with each phase of cell connector 10 Even, by the relevant information of the sampling battery module of cell connector 10, such as：Voltage, electric current or temperature etc..

Present battery modules use splicing structure, and both sides are tensed using arm-tie, and the data acquisition modes such as FPC or PCB should Mode can be on FPC or PCB while a variety of functions such as integrated voltage and temperature sampling.But, conventional sampling line is arranged at present 30 are with the connected mode of cell connector 10：As shown in figure 9, drawing sampling terminal 60, generally metal on sampling line row 30 Piece（Such as nickel sheet or aluminium flake）, sampling terminal 60 and cell connector 10 are carried out by way of riveting or welding or both is combined Fixed electrical connection.More specifically, sampling line row 30 is FPC plates（FPC）Or pcb board（Printed circuit board）.

And in battery modules, after above-mentioned sampling line row 30 installs and electrically connected with cell connector 10, cover protection Cover, then module after assembling installs BMU（The data that collection sampling line row 30 collects are transmitted to BMS again through processing）On, BMU docks sampling line row 30 with BMU after installing, and completes the production of module.

In such scheme, FPC or PCB are by way of the riveting of sampling terminal 60 is welded with and connect come gathered data, production process Numerous and diverse, production cost is high and during riveting because misoperation, abnormal be easily caused of riveting are not riveted tightly, cause failure welding and sampling not Continuous the problems such as, occurs, and directly results in connection reliability reduction.

The content of the invention

The utility model is intended to solve at least one above-mentioned technical problem to a certain extent, and there is provided one kind connection process letter Single, easy to operate, low cost and the high sampling line row of reliability.

Arranged therefore, the utility model provides a kind of sampling line, being provided with sampling on the sampling line row patches female end, institute State sampling line row and can patch female end by the sampling and patch male end with the sampling on cell connector and electrically connect.

In some embodiments, the sampling line row is FPC plates or pcb board.

In some embodiments, the end of the sampling line row is provided with power module, sampling module and balance module.

In some embodiments, thermistor is provided with the sampling line row, the thermistor is located at the sampling line Row and the sampling are patched between female end.

In some embodiments, the sampling, which patches female end, includes two fixed pins, locking mechanism and female end interface, described Fixed pin is fixedly connected with the sampling line row, and the female end interface is matched somebody with somebody for patching male end with the sampling on cell connector Connection is closed, the locking mechanism is fixed in female end interface for the sampling for inserting the female end interface to be patched into male end.

In some embodiments, thermistor is provided with the sampling line row, the thermistor is located at described two solid Determine between pin.

In some embodiments, the sampling, which patches female end, also includes protection structure, and the protection structure is set in the mother Outside end interface.

In some embodiments, the sampling, which is patched, is provided with inner shrapnel in female end, the inner shrapnel draws positioned at two fixations Between pin.

The sampling line row that the utility model is provided, is provided with sampling and patches female end, the sampling patches female end can be with The sampling being arranged on cell connector patches male end and coordinates electrical connection, and operation more facilitates, process is simple, low cost, and By the cooperation of male end and female end, the connection similar to hot plug is realized, stability, the reliability of connection is improved.

Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description In become obvious, or by it is of the present utility model practice recognize.

Brief description of the drawings

Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined Become substantially and be readily appreciated that, wherein：

Fig. 1 is sampling line row's positive structure schematic in the utility model one embodiment.

Fig. 2 is the enlarged drawing of A in Fig. 1.

Fig. 3 is sampling line row's reverse structure schematic in the utility model one embodiment.

Fig. 4 is the enlarged drawing of B in Fig. 3.

Fig. 5 is the explosive view that sampling patches female end in the utility model one embodiment.

Fig. 6 is the explosive view of battery modules in the utility model one embodiment.

Fig. 7 is the assembly structure diagram of battery modules in the utility model one embodiment.

Fig. 8 is the structural representation of cell connector in the utility model one embodiment.

Fig. 9 is the battery module structure schematic diagram that prior art is provided.

Reference

Cell connector 10；Connection sheet body 11；Installation portion 12；Sampling patches male end 13；Body 14；It is spacing Portion 15；Sample line row 30；Sampling patches female end 31；Functional module 32；Thermistor 33；Fixed pin 41；Locking knot Structure 42；Female end interface 43；Protection structure 44；Inner shrapnel 45；Outlet 51；Sampling terminal 60.

Embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model Limitation.

In description of the present utility model, it is to be understood that term " length ", " width ", " thickness ", " on ", " under ", The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicate Or imply that the device or element of meaning must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that For to limitation of the present utility model.In addition, term " first ", " second " be only used for describe purpose, and it is not intended that indicate or Imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", the spy of " second " are defined One or more this feature can be expressed or implicitly include by levying.In description of the present utility model, " multiples' " contains Justice is two or more, unless otherwise specifically defined.

In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood as the case may be Concrete meaning in the utility model.

Below in conjunction with the accompanying drawings 1 to Fig. 8 illustratively the utility model provide cell connector 10 and battery modules.

In one embodiment of the present utility model, male end 13 can be patched with sampling and be connected by being provided with sampling line row 30 Sampling patch female end 31, sampling line row 30 patches female end 31 with the sampling on cell connector 10 by sampling and patches male end 13 Electrical connection.

It is so designed that so that when sampling connection, connected by plug-in, it is possible to relatively easier that sampling line is arranged 30 Sampling is carried out with cell connector 10 to be connected；I.e. sampling patches the insertion sampling of male end 13 and patched in female end 31, forms electrical connection, enters And realize the sampling to cell connector 10.And then make it that operation is more convenient, connection process is simple, low cost, and improve The stability and reliability of connection.

For the ease of being sampled to cell, above-mentioned sampling line row 30 can select FPC plates or pcb board.By inciting somebody to action One monoblock tabular sampling line row 30, is covered on the cell connector 10 for having carried out power connector, meanwhile, tabular sampling line row 30 patch male end 13 with the sampling on cell connector 10 electrically connects, and realizes the sampling to cell.Further, sampling line Sampling is provided with row 30 and patches female end 31, after tabular sampling line row 30 is covered on cell connector 10, sampling patches female end 31 and sampling patch male end 13 coordinate electrical connection, complete sampling process.

In the utility model, in order to further improve the terseness of whole battery modules, it will be arranged in the prior art Power module, sampling module or balance module in battery modules are arranged on sampling line row 30.As shown in figure 3, BMU modules （Functional module 32, including power module, sampling module and balance module）Just it is arranged on one end end of pcb board；Thus, only needing Outlet 51 is set in one end of pcb board, you can complete to gather signal from cell and handling, then passing through the outlet 51（Connector）BMS is uploaded in the form of CAN（Battery management unit）.

In this scenario, by the optimization to pcb board, each signal processing module is directly integrated in the end of pcb board, saved Traditional BMU structures have been gone, the cost of battery modules has been reduce further.Meanwhile, set sampling to patch female end on pcb board 31, and with the sampling on cell connector 10 patch male end 13 and coordinate and electrically connect, sampling of the completion to cell.

It is similar with the mode that row is commonly used in the trade, guarantor is provided with one embodiment of the present utility model, in battery modules Protecting cover, sampling line row 30 is located between protection cap and battery modules shell.Sampling line row 30 is encapsulated in by protection by protection cap Between lid and shell, it can preferably ensure the security of sampling line row 30, improve its connection reliability.

In the prior art, FPC or PCB carry sheet metal one end using riveting be welded with connect by the way of with cell connector 10 Connection, so as to realize the collection to cell data.Other end is placed on protection NTC above NTC, between sheet metal and NTC Gap makes the heat of sheet metal to be delivered on NTC by filling heat-conducting glue and filling up, and NTC is welded on FPC or PCB, passes through circuit Plate transmits data；Data are to be connected by connector with external BMU to end.

And in one embodiment of the present utility model, as shown in Fig. 2 in order to optimize（NTC）The position of thermistor 33, Thermistor 33 is arranged on sampling line row 30 and sampling is patched between female end 31.Ensure thermistor 33（NTC）It can adopt Signal acquisition effect is played on line-transect row 30, while patching the neighbouring setting of female end 31 with sampling again, the error of signal acquisition is reduced, Improve reliability.

Certainly, thermistor 33 can also be only located between two fixed pins 41, and it is located at which face of pcb board On, all it is possible.

In some specific embodiments of the present utility model, in order to sampling line row 30 and the sampling on cell connector 10 The cooperation for patching male end 13 is further described in more detail；Draw as shown in figure 5, above-mentioned sampling patches female end 31 including two fixations Pin 41, locking mechanism 42 and female end interface 43, fixed pin 41 are fixedly connected with sampling line row 30, and female end interface 43 is used for adopting Sample patches male end 13 and is connected, and locking mechanism 42 is fixed on female end for the sampling for inserting female end interface 43 to be patched into male end 13 In interface 43.

Generally, as on the FPC plates or pcb board of sampling line row 30, it is provided with sampling and patches the mounting hole of female end 31 （Generally two）, above-mentioned two fix pin 41 be inserted respectively into above-mentioned two mounting hole, by welding or other can be real Sampling is patched female end 31 and is fixed on FPC plates or pcb board by the mode now electrically connected.Thus, two fixed pins 41 of one side As mounting parts, on the other hand, make it that sampling patches female end 31 and FPC plates or pcb board are real by the fixation pin 41 Now electrically connect, and then sampling process is smoothly carried out.

As shown in figure 5, the setting of two fixed pins 41 so that sampling patches the concavity of one end formation indent of female end 31 Sampling in structure, with cell connector 10 patches male end 13（Bulge-structure）It is connected.In certain embodiments, sampling line Row 30（Such as pcb board）On be provided with thermistor 33, the thermistor 33 is located between two fixed pins 41.Such as Fig. 1 and Fig. 2 It is shown, above-mentioned thermistor 33 can for NTC thermistor 33 or other, do not limit herein；Thermistor 33 is welded on PCB On plate, while the thermistor 33 is located between two fixed pins 41；After welding, by the heat-conducting glue of high thermal conductivity coefficient to it It is packaged so that the space between fixed pin 41 forms closing, and can realize transmission and the protection NTC temperature-sensitives of heat The purpose of resistance 33.

Further, as shown in Figure 3 and Figure 4, in order to protect sampling to patch the female end interface 43 of female end 31, in female end interface 43 The side of opening is provided with protection structure 44, and the protection structure 44 is set in outside female end interface 43.

Inner shrapnel 45 is additionally provided with female end 31 in addition, being patched in sampling, inner shrapnel 45 be located at two fixed pins 41 it Between.By the setting of inner shrapnel 45, the sampling being inserted into female end interface 43 is patched into male end 13 and is fixed.Realize both it Between electrically and mechanically.

In the utility model, as shown in figure 1, front schematic view；Front is when sampling line row 30 is covered in battery herein After on module, a face structural representation located above；As shown in figure 3, reverse side schematic diagram, then be when sampling line row 30 is covered in After in battery modules, the structural representation of the one side relative with battery modules, that is, the face structural representation being located below.

In some embodiments of the present utility model, pcb board（Sample line row 30）It is fixedly mounted on by buckle and screw In battery modules so that sampling structure is relatively reliable.

As shown in figure 5, the sampling that the utility model is provided patches the explosive view of female end 31, fixed pin is from top to bottom followed successively by 41st, inner shrapnel 45, locking mechanism 42 and protection structure 44.During assembling, fixed pin 41 is inserted in the mounting hole of pcb board, and And welded or other modes are fixedly connected, meanwhile, on the pcb board between two fixed pins 41 it is provided with NTC temperature-sensitives Resistance 33；Locking mechanism 42 and protection structure 44 then are successively set on into sampling again to patch in female end 31, complete adopt is obtained Sample patches female end 31.After sampling, which patches male end 13, to be inserted into sampling and patch in female end 31, sampling is connect by locking mechanism 42 Insert male end 13 and sampling patches female end 31 and carries out locking and spacing.

As is seen in fig. 6 or fig. 7, in battery modules, cell and cell connector 10 are consolidated by pull bar and end plate It is scheduled in battery modules, it is necessary to when being sampled, pcb board be covered in the upper end of battery modules, the sampling of pcb board patches female end 31 patch male end 13 with the sampling of cell connector 10 is connected, while pcb board is fixedly connected with battery modules shell.

In some embodiments of the present utility model, at least two row's cells are arranged side by side in battery modules, along it Electrically connected between the two neighboring cell of orientation by a cell connector 10；Thus, being formed along monomer Two mining samples of battery-arrangements direction extension patch male end 13.Correspond to therewith, the both sides on pcb board are provided with sampling and patch mother End 31 so that it, which patches male end 13 with above-mentioned two minings sample and corresponded, is connected and is sampled.Certainly, above-mentioned each two It is all interval setting that sampling, which patches male end 13, and it is patched according to the position of cell connector 10 and the up-sampling of cell connector 10 The position of male end 13 is adjusted and designed, and does not limit herein.

The signal that sampling is obtained, is transferred to power module, sampling module or the balance module of pcb board end setting, through place After reason, then led to outside battery modules by the outlet 51 of pcb board end, be that battery management or monitoring provide foundation.

As shown in figure 8, for the sampling line row 30 for coordinating the utility model to provide, the utility model additionally provides a kind of electricity Sampling, which is provided with, on pond connection sheet 10, the cell connector 10 patches male end 13.Above-mentioned sampling patches the setting of male end 13, to adopt There is provided basis for plug type connection between line-transect row 30 and cell connector 10.After two neighboring cell is connected, The sampling patches male end 13 and up-samples the mating connection of line row 30 with battery modules, and operation more facilitates, connection process is simple, cost It is low, and improve the stability and reliability of connection.

Generally, cell connector 10 is sheet, including the connecting portion positioned at two ends and the buffer part positioned at centre, The connecting portion and buffer part at above-mentioned two ends together constitute connection sheet body 11 described below；And in the utility model, Male end 13 and the mating connection of sampling line row 30 are patched for the ease of sampling, sampling is patched into male end 13 perpendicular to connection sheet body 11 are set.

In one embodiment of the present utility model, in order to set sampling to patch male end 13, battery connection is not interfered with again The performance of itself of piece 10, as shown in figure 8, cell connector 10 includes connection sheet body 11 and stretched out by connection sheet body 11 The installation portion 12 of formation, sampling patches male end 13 and is arranged on installation portion 12.Patching the setting of male end 13 for sampling, there is provided one Individual single mounting platform, i.e. installation portion 12；Thus, on the one hand make it that the installation that sampling patches male end 13 does not interfere with connection The performance of piece body 11, the position of adjustment installation portion 12 that on the other hand can be suitably and height, male end is patched to adjust sampling 13 horizontal level or vertical height, easily facilitates the space requirement adapted to inside battery modules.With reference to above to battery company The description of contact pin 10, above-mentioned installation portion 12 can be located in one of on connecting portion.

On the basis of existing technology, above-mentioned buffer part can be arch, and sampling patches male end 13 and is disposed therein one On connecting portion.Sampling, which patches male end 13, includes the body 14 that is vertically arranged and by the outstanding limiting section in the edge of body 14 15, the body 14 is used to insert and patch female end 31 with sampling to be connected, and limiting section 15 is used to limit body 14 Position is patched inside female end 31 in sampling, is formed pre-determined bit or is fixedly connected.

Further, the inner shrapnel 45 or locking mechanism 42 for patching female end 31 with sampling coordinate, and are fixedly connected.

On the basis of being set in the above-mentioned position of installation portion 12, in one embodiment of the present utility model, in order to save list Spacing between body battery upper surface and battery modules shell, makes full use of battery modules inner space, the installation portion 12 Upper surface is less than the upper surface of connection sheet body 11.That is, the sunk type of installation portion 12 is arranged on connection sheet body 11, Thus, the gap between the lower section of connection sheet body 11, two cells can be made full use of, and then save to cell top The utilization in space between portion and battery modules shell.

Above-mentioned cell connector 10, its connection sheet body 11 and sampling patch male end 13, can be formed, also may be used with integrated injection molding To process by other means, only mechanical structure is described herein, without carrying out any limit to processing mode.Tool In the manufacturing process of body, can be by cell connector 10 by punching press, stretching after, process a sampling and patch male end 13. In the utility model, sampling patch male end 13 can be rectangle, circular or other appropriate shapes, in the present embodiment, It is preferred that rectangular sampling patches male end 13.

On the basis of above-mentioned cell connector 10, the utility model additionally provides a kind of battery modules, such as Fig. 6 and Fig. 7 It is shown, including some cells and the cell connector 10 for connecting adjacent two cell, wherein, the battery connection The cell connector 10 that piece 10 provides for the utility model.

In the utility model, the above-mentioned cell of connection " adjacent " two, " adjacent " therein can be that position is adjacent, Such as two cells are provided immediately in together；It can also be electric current between deeper implication, two cells Or signal is directly connected, can also so it turn into " adjacent ".That is, " adjacent " here is used only to describe two monomers Battery is connected by a cell connector 10, if position is close to, and does not do restriction in this respect.

In the utility model, sampling line row 30, sampling line row 30 and cell connector are provided with above-mentioned battery modules Sampling on 10 patches male end 13 and electrically connected.Thus, just can realize that sampling line row 30 and the plug-in type of cell connector 10 connect Connect, connection process is simple and convenient to operate, low cost and reliability are high.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be Combined in an appropriate manner in any one or more embodiments or example.

Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is not departing from the utility model Principle and objective in the case of above-described embodiment can be changed in the range of the utility model, change, replace and Modification.

Claims (8)

1. one kind sampling line row, it is characterised in that sampling is provided with the sampling line row and patches female end, the sampling line row can Patch female end by the sampling and patch male end with the sampling on cell connector and electrically connect.

2. sampling line row according to claim 1, it is characterised in that the sampling line row is FPC plates or pcb board.

3. sampling line row according to claim 1, it is characterised in that the end of the sampling line row is provided with power supply mould Block, sampling module and balance module.

4. sampling line row according to claim 1, it is characterised in that be provided with thermistor on the sampling line row, institute Thermistor is stated between the sampling line row and the sampling patch female end.

5. sampling line row according to claim 1, it is characterised in that the sampling patches female end and drawn including two fixations Pin, locking mechanism and female end interface, the fixed pin are fixedly connected with the sampling line row, and the female end interface is used for and electricity Sampling in the connection sheet of pond patches male end mating connection, and the locking mechanism is used to patch the sampling for inserting the female end interface Male end is fixed in female end interface.

6. sampling line row according to claim 5, it is characterised in that be provided with thermistor on the sampling line row, institute Thermistor is stated between described two fixed pins.

7. sampling line row according to claim 5, it is characterised in that the sampling, which patches female end, also includes protection structure, The protection structure is set in outside the female end interface.

8. sampling line row according to claim 5, it is characterised in that the sampling, which is patched, is provided with inner shrapnel in female end, The inner shrapnel is located between two fixed pins.