JP2013033616A - Insulation displacement terminal fixation structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an insulation displacement terminal fixation structure which improves the connection reliability of an electric wire terminal and prevents a control board from increasing the size.SOLUTION: A substrate direct joining insulation displacement terminal (insulation displacement terminal) 11 directly connects an electric wire from the exterior of a control board 10 with a circuit conductor formed on the control board 10. This invention relates to a fixation structure for fixing the substrate direct joining insulation displacement terminal 11 to the substrate. The insulation displacement terminal 11 is formed by: an insulation displacement terminal part 12 which an electric wire terminal is connected through pressure application; a connection terminal part 13 provided at one side 12a of the insulation displacement terminal part 12 and connected with the circuit conductor; and a fixed leg part 14 which is provided at the other side 12b of the insulation displacement terminal part 12 and is folded along a side end part 10a of the control board 10 to be fixed.

Description

  The present invention relates to a structure for fixing a press contact terminal to a circuit board formed on a control board to directly connect an electric wire from the outside of the control board to the board, and is particularly suitable for a control board of a connection control body provided on an assembled battery. The present invention relates to a pressure contact terminal fixing structure.

Related.

  Conventionally, as a press contact terminal for directly connecting an electric wire from outside the control board to a circuit conductor formed on the control board, for example, a press contact terminal described in JP 2003-217699 A (Patent Document 1) has been proposed. Yes.

  The press contact terminal has a belt-like shape, and is substantially composed of a first press contact portion that presses the electric wire of the control board on one side and a second press contact portion that presses the electric wire from the outside of the control board on the other side. It is comprised and the connection of two types of different electric wires is possible by one press-contact terminal.

  Then, the press contact terminal configured in this manner is placed on the control board, and the mounting surface with the control board is fixed by soldering, or protrusions are provided on both sides in the longitudinal direction of the press contact terminal. The projecting pieces are passed through through holes (for connection and fixation) provided in the substrate, and are electrically fixed by soldering or press-fit connection.

  Moreover, the electric wire press-connected to the press contact terminal is caulked and connected to an electric wire holding portion provided on the press contact terminal as necessary, thereby preventing the disconnection.

JP 2003-217699 A

  However, when projecting pieces are provided on both sides in the longitudinal direction of the pressure contact terminal and these projecting pieces are inserted through the through holes provided in the substrate and fixed, the fixing through holes are located somewhat inside the side edge of the substrate. Since it has to be provided, there is a problem that the substrate is enlarged by the space for providing the fixing through hole.

  In addition, when an electric wire holding part is provided to prevent the electric wire from coming off from the press contact terminal, when the electric wire holding part is crimped after the electric wire terminal is press connected, the solder portion or the substrate is caused by the stress applied during the caulking. There is a risk that cracks will occur, resulting in a decrease in connection reliability.

  In addition, when press-fit connection of the press-contact terminal protrusion that penetrates the fixing hole of the board, it is necessary to avoid the interference between the crimping jig that presses the protrusion and the press-contact portion of the press contact terminal. It is necessary to provide it at a position apart from the crimped portion, the press contact terminal becomes large, and the control board on which the large press contact terminal is mounted is also enlarged.

  Accordingly, an object of the present invention is to provide a pressure contact terminal fixing structure capable of improving the connection reliability of the wire terminal to the pressure contact terminal and preventing an increase in the size of the control board on which the pressure contact terminal is mounted.

  In order to achieve the above object, the press-contact terminal fixing structure of the present invention described in claim 1 of the present invention is a structure for fixing a press-contact terminal to a circuit board that directly connects an electric wire from outside the control board to a circuit conductor formed on the control board. The pressure contact terminal is connected to the pressure contact terminal portion to which the electric wire terminal is pressure contacted, the connection terminal portion provided on one side of the pressure contact terminal portion and connected to the circuit conductor, and the pressure contact terminal portion. It is formed by a fixed leg portion which is provided on a side and is bent and fixed along a side end portion of the control board.

  A pressure contact terminal fixing structure according to a second aspect of the present invention is the pressure contact terminal fixing structure according to the first aspect, wherein the pressure contact terminal portions are a bottom plate portion and a pair that rises in the same direction from both sides of the bottom plate portion. And a press contact blade bent inward from these side walls.

  A press-contact terminal fixing structure according to a third aspect of the present invention is the press-contact terminal fixing structure according to the first or second aspect, wherein a wire terminal is pressed between the press-contact terminal portion and the fixed leg portion. And an electric wire holding part.

  A pressure contact terminal fixing structure according to a fourth aspect of the present invention is the pressure contact terminal fixing structure according to any one of claims 1 to 3, wherein the control board directly connects a plurality of unit cells. It is used for an assembled battery that is connected to output a desired voltage, and controls unit cell voltage detection, unit cell abnormality detection, and voltage equalization between unit cells based on the unit cell voltage.

  According to the press contact terminal fixing structure of the present invention described in claim 1, the press contact terminal is bent and fixed along the connection terminal portion connected to the circuit conductor of the control board and the side end portion of the control board. It is formed with fixed legs. For this reason, it is not necessary to solder the mounting surface of the press contact terminal and the control board, and stress caused by a press fit for fixing is not applied. Part) and the substrate are not cracked, and the connection reliability of the wire terminal can be improved.

  In addition, a connection terminal portion connected to the circuit conductor is formed on one side of the press contact terminal portion, and a fixed leg portion that is bent and fixed along the side end portion of the control board is formed on the other side. Yes. Since there is no need to form a fixing through hole on the side end portion side of the control board, a connecting portion (for example, a through hole) to which the connection terminal portion is connected can be formed on the side end side of the control board. And an increase in the size of the control board can be prevented.

  Therefore, it is possible to provide a pressure contact terminal fixing structure that can improve the connection reliability of the electric wire terminal and prevent the control board from becoming large.

  According to the press contact terminal fixing structure of the present invention as set forth in claim 2, the press contact terminal portion is formed by bending the bottom plate portion, the pair of side walls rising in the same direction from both sides of the bottom plate portion, and the inner side from these side walls. It consists of a press contact blade. Thereby, an electric wire terminal can be connected more reliably.

  According to the press contact terminal fixing structure of the present invention described in claim 3, the wire presser portion for pressing the wire end is provided between the press contact terminal portion and the fixed leg portion. Thereby, the connection reliability of an electric wire terminal can be improved more by preventing that an electric wire terminal slips out from a press-contact terminal part. Moreover, since the wire holding part which holds an electric wire terminal is provided in the fixed leg part side, the influence on the connection terminal part of the stress which arises when crimping the electric wire to a wire holding part can be reduced.

  According to the press contact terminal fixing structure of the present invention as set forth in claim 4, the control board is used in an assembled battery that directly connects a plurality of unit cells and outputs a desired voltage, thereby detecting a unit cell voltage and a unit. Control of cell abnormality detection and voltage equalization between unit cells based on unit cell voltage. Thereby, the connection reliability of the connection with the voltage detection electric wire of a unit cell can be improved by using a press-contact terminal for a control board.

  ADVANTAGE OF THE INVENTION According to this invention, the connection reliability of the electric wire terminal to a press-contact terminal can be improved, and the press-contact terminal fixing structure which can prevent the enlargement of the control board in which a press-contact terminal is mounted can be provided.

It is a perspective view which shows the press-contact terminal fixing structure which concerns on embodiment of this invention. (A) is a perspective view which shows the press-contact terminal (board | substrate direct press-contact terminal) which comprises the press-contact terminal fixing structure which concerns on embodiment of this invention. (B) is the side view which made the cross section the part which shows the press-contact terminal which concerns on embodiment of this invention. It is a perspective view which shows the bus-bar plate of the connection control body for assembled batteries using the press-contact terminal fixing structure which concerns on embodiment of this invention. It is a perspective view which shows the state which folded the board | substrate accommodating part which comprises the connection control body for assembled batteries using the press-contact terminal fixing structure which concerns on embodiment of this invention on the bus-bar accommodating part. It is sectional drawing cut | disconnected along the VV line | wire of FIG.

  Hereinafter, a pressure contact terminal fixing structure according to an embodiment of the present invention will be described with reference to the drawings. First, with reference to FIG.1 and FIG.2, the structure of the press-contact terminal used for the press-contact terminal fixing structure which concerns on embodiment of this invention and this press-contact terminal fixing structure is demonstrated.

  As shown in FIG. 1, in the press contact terminal fixing structure 1 according to the embodiment of the present invention, a plurality of substrate direct press contact terminals (hereinafter simply referred to as “press contact terminals”) 11 are provided on the control substrate 10 along the side end portion 10 a. Then, electric wires from outside the control board 10 are directly connected to circuit conductors (not shown) formed in the control board 10 that are fixed in parallel.

  As shown in FIGS. 1 and 2, the press contact terminal 11 used in the press contact terminal fixing structure 1 includes a press contact terminal portion 12 to which an electric wire terminal (not shown) is press contact connected, and one side 12 a of the press contact terminal portion 12. A connection terminal portion 13 that is provided and connected to a circuit conductor (not shown) formed on the control board 10, and is provided on the other side 12 b of the press contact terminal portion 12 and bent along the side end portion 10 a of the control board 10. It is formed with the fixed leg part 14 fixed.

  In addition, an electric wire pressing portion 15 that holds an electric wire terminal (not shown) is provided between the press contact terminal portion 12 and the fixed leg portion 14. Thereby, the connection reliability of an electric wire terminal improves more by preventing that an electric wire terminal slips out from the press-contact terminal part 12. FIG.

  As shown in FIG. 1, the press contact terminal portion 12 of the press contact terminal 11 includes a bottom plate portion 16, a pair of side walls 17, 17 rising in the same direction from both sides of the bottom plate portion 16, and the side walls 17, 17 facing each other. And press contact blades 18, 18 formed by bending in the direction (inner side). As described above, the press contact terminal portion 12 includes the bottom plate portion 16, the pair of side walls 17 that rise in the same direction from both sides of the bottom plate portion 16, and the press contact blade 18 that is bent inward from the side walls 17. Thereby, an electric wire terminal can be connected more reliably. A connection terminal portion 13 is provided on one side 12a side of the bottom plate portion 16, and a fixed leg portion 14 is integrally extended and formed on the other side 12b side.

  As shown in FIGS. 2A and 2B, the connection terminal portion 13 is bent at a substantially right angle from one side 12 a of the press contact terminal portion 12, and after being inserted into the through hole 10 b of the control board 10, The control board 10 is soldered and connected. Note that press-fit connection may be used in addition to soldering.

  As shown in FIGS. 2A and 2B, the fixed leg portion 14 includes an end wall 14 a bent from the other side 12 b of the bottom plate portion 16 along the side end portion 10 a side wall 10 c of the control board 10 at a substantially right angle. The distal end side of the end wall 14a is formed with an inner wall 14b bent at a substantially right angle so as to sandwich the side end portion 10a. Accordingly, the other side 12b, the end wall 14a, and the inner wall 14b of the bottom plate portion 16 are bent into a substantially U shape along the thickness A of the side end portion 10a of the control board 10. Thereby, the press contact terminal 11 is fixed to the side end portion 10 a of the control board 10. In this case, the press contact terminal 11 may be positioned on the side end portion 10a by forming a groove into which the other side 12b, the end wall 14a, and the inner wall 14b are fitted in the side end portion 10a of the control board 10. . Moreover, you may form the groove | channel in which the bottom wall part of the electric wire pressing part 15 and the press-contacting terminal part 12 which are continued from the other side 12b of the baseplate part 16 is also engage | inserted.

  A pair of wire holding portions 15 are formed so as to rise alternately in the same direction from both sides of the bottom plate portion 16, and a wire terminal from outside the control board 10 is inserted between the pair of wire holding portions 15 and bent inward. The electric wire terminal is held by pressing the outer periphery of the electric wire terminal.

  As described above, the press contact terminal 11 is fixed to the side end portion 10a of the control board 10 by the connection terminal portion 13 and the fixed leg portion 14, so that the mounting surface of the press contact terminal 11 and the control board 10 as in the prior art. There is no need to solder.

  Further, a connection terminal portion 13 connected to a circuit conductor is formed on one side 12a of the press contact terminal portion 12, and a fixed leg that is bent and fixed along the side end portion 10a of the control board 10 on the other side 12b. Part 14 is formed. For this reason, there is no need to provide a fixing through hole in the side end portion 10 a of the control board 10. Therefore, the connection through hole through which the connection terminal portion 13 penetrates is provided on the side end portion 10 a side of the control board 10. It is possible to prevent the control substrate 10 from becoming large.

  The press-contact terminal fixing structure 1 configured as described above is preferably applied to the connection between the control board 10 of the connection control body 21 for the assembled battery 23 and the voltage detection wire 62.

  Hereinafter, with reference to FIGS. 3, 4, and 5, the press contact terminal fixing structure 1 according to the embodiment of the present invention is applied to the connection between the control board 10 of the connection control body 21 for the assembled battery 23 and the voltage detection wire 62. The case will be described in detail.

  FIG. 3 is a perspective view showing the bus bar plate 31 of the connection control body 21 for the assembled battery 23, and FIG. 4 is a state in which the board housing portion 35 constituting the connection control body 21 is folded on the bus bar housing portion 34. FIG.

  As shown in FIGS. 3 and 4, the connection control body 21 is used in an assembled battery 23 that connects a plurality of unit cells 22 in series and outputs a desired voltage, and connects the plurality of unit cells 22 in series. , Unit cell voltage detection, unit cell anomaly detection, and voltage equalization between unit cells based on unit cell voltage are controlled.

  The connection control body 21 includes a bus bar plate 31 placed on a plurality of unit cells 22, an insulating cover body 41 (see FIG. 4) covering a part of the bus bar plate 31, and adjacent unit cells 22. The connection bus bar 51 is connected to each other.

  Further, the connection control body 21 is based on the voltage detection terminal 61 that detects the voltage of each unit cell 22, the detection of the unit cell voltage, the detection of abnormality of the unit cell, and the detection result by the voltage detection terminal 61. A control board 10 that controls voltage equalization between unit cells based on a plurality of unit cell voltages and a board direct press contact terminal 11 that directly connects an electric wire from the outside of the control board 10 described above.

  The bus bar plate 31 includes a case main body 32 that accommodates the connection bus bar 51 and the control board 10, and a hinge 33 that connects a part of the bus bar plate 31 to the bus bar plate 31 so as to be foldable.

  The case body 32 leads the bus bar housing part 34 for housing the connection bus bar 51, the board housing part 35 for housing the control board 10, and the voltage detection electric wire 62 connected to the voltage detection terminal 61 to the control board 10 side. And a voltage detection line deriving unit 36.

  The bus bar accommodating portion 34 is provided on the plurality of unit cells 22, and the substrate accommodating portion 35 is disposed from the bus bar accommodating portion 34 via the hinge 33 along the overlapping direction B (see FIG. 4) of the plurality of unit cells 22. It is extended.

  The substrate housing portion 35 extends from the bus bar housing portion 34 via the hinge 33 along the overlapping direction of the plurality of unit cells 22. For this reason, the board | substrate accommodating part 35 can be easily folded on the bus-bar accommodating part 34, and the enlargement of the connection control body 21 can be prevented.

  The hinge 33 is provided between the bus bar accommodating portion 34 and the substrate accommodating portion 35, and the substrate accommodating portion 35 is accommodated in the bus bar such that the bus bar accommodating portion 34 and the substrate accommodating portion 35 on the bus bar accommodating portion 34 can be folded. It is connected to the part 34.

  The bus bar plate 31 is formed by a bus bar accommodating portion 34 and a hinge 33 that connects the substrate accommodating portion 35 to the bus bar accommodating portion 34 so that the substrate accommodating portion 35 can be folded on the bus bar accommodating portion 34. For this reason, it is not necessary to secure a space for accommodating the control board 10 in the bus bar accommodating portion 34, and the layout of the connection bus bar 51 can be freely changed in the bus bar accommodating portion 34.

  In addition, since the layout of the connection bus bar 51 can be freely changed, it is not necessary to design a large area of the bus bar plate 31 in accordance with the layout change of the connection bus bar 51. Therefore, the large size of the connection control body 21 for the assembled battery. Can be prevented.

  The voltage detection line deriving unit 36 is provided between the two bus bar housing units 34 together with the voltage detection terminal 61, and guides the voltage detection electric wire 62 drawn from the voltage detection terminal 61 to the control board 10 side.

  The case body 32 is provided with a voltage detection line lead-out portion 36 for leading the voltage detection electric wire 62 drawn out from the voltage detection terminal 61 to the control board 10 side between the two bus bar accommodating portions 34. For this reason, when the board | substrate accommodating part 35 is folded on the bus-bar accommodating part 34, it can prevent that the voltage detection electric wire 62 comes off from the voltage detection terminal 61. FIG.

  The insulating cover body 41 covers the bus bar accommodating portion 34 in a state where the connection bus bar 51 is accommodated in the bus bar accommodating portion 34 of the bus bar plate 31 and is disposed between the bus bar accommodating portion 34 and the substrate accommodating portion 35 (see FIG. 4).

  The insulating cover body 41 covers the bus bar accommodating portion 34 of the bus bar plate 31 and is disposed between the bus bar accommodating portion 34 and the substrate accommodating portion 35. For this reason, it is not necessary to cover the board | substrate accommodating part 35 with the insulating cover body 41, and reduction of manufacturing cost can be aimed at by reducing a number of parts.

  The control board 10 controls unit cell voltage detection, unit cell abnormality detection, voltage equalization between unit cells based on the respective voltage detection results of the plurality of unit cells 22, and the voltage of the unit cell 22 is also controlled. A board body 71 that detects and detects an abnormality of the unit cell 22, a ribbon electric wire 72 that connects the control boards 10, and a PCB (Print Circuit Board) connector 73 that is connected to a mating connector (male connector) Have.

  The pressure contact terminal fixing structure described above is used for connection between the control board 10 and the voltage detection wire 62. Specifically, the terminal of the voltage detection electric wire 62 is press-connected to the press contact terminal portion 12 and connected to the control board 10.

  Next, the case where the board | substrate accommodating part 35 which comprises the connection control body 21 for assembled batteries using the press-contact terminal fixing structure which concerns on embodiment of this invention is folded on the bus-bar accommodating part 34 is demonstrated in detail.

  First, as shown in FIG. 3, the bus bar plate 31 is placed on the plurality of unit cells 22, and the adjacent unit cells 22 are connected to each other by the connection bus bar 51 (see FIG. 3). The bus bar accommodating portion 34 is covered with an insulating cover body 41.

  Next, the insulating cover body 41 is placed between the bus bar accommodating portion 34 and the substrate accommodating portion 35 by folding the substrate accommodating portion 35 connected to the bus bar accommodating portion 34 via the hinge 33 on the bus bar accommodating portion 34. Be placed.

  Thereby, the connection control body 21 for the assembled battery connects the plurality of unit cells 22 in series, detects the voltage of each unit cell 22 by the voltage detection terminal 61 (see FIG. 3), and detects the voltage of each unit cell 22. The output voltage is controlled by the control board 10 (see FIG. 3) based on each voltage detection result of each unit cell 22 detected by the above.

  Thus, since the insulating cover body 41 is disposed between the bus bar housing portion 34 and the substrate housing portion 35 by folding the substrate housing portion 35 on the bus bar housing portion 34, It is not necessary to cover the accommodating portion 35 with the insulating cover body 41. For this reason, the manufacturing cost can be reduced by reducing the number of parts.

  Further, as described above, the case main body 32 is provided with the voltage detection wire 62 (see FIG. 3) drawn from the voltage detection terminal 61 (see FIG. 3) between the two bus bar accommodating portions 34, and the control board 10 (FIG. 3). A voltage detection line deriving unit 36 (see FIG. 3) leading to the reference) side is provided.

  For this reason, even when the board | substrate accommodating part 35 is folded over on the bus-bar accommodating part 34, it can prevent that the electric wire 62 for voltage detection pulls out from the voltage detection terminal 61. FIG.

  Thus, by using the press contact terminal fixing structure 1 (see FIGS. 1 and 2) according to the embodiment of the present invention for the control board 10 and the voltage detection electric wire 62 of the connection control body 21 for the assembled battery, the control board 10 is a battery pack 2 that directly connects a plurality of unit cells 22 and outputs a desired voltage, and detects unit cell voltage, unit cell abnormality, unit cell voltage based on unit cell voltage. By controlling the equalization, by using the substrate direct contact pressure contact terminal 11 for the control substrate 10, the connection reliability of the connection of the unit cell 22 with the voltage detection wire 62 can be improved.

  The pressure contact terminal fixing structure 1 according to the embodiment of the present invention fixes a substrate direct contact pressure contact terminal (pressure contact terminal) 11 that directly connects an electric wire from outside the control board 10 to a circuit conductor formed on the control board 10. The pressure contact terminal 11 includes a pressure contact terminal portion 12 to which a wire end is pressure connected, a connection terminal portion 13 provided on one side 12a of the pressure contact terminal portion 12 and connected to a circuit conductor, and a pressure contact terminal. It is formed with a fixed leg portion 14 provided on the other side 12 b of the portion 12 and bent and fixed along the side end portion 10 a of the control board 10.

  Further, in the press contact terminal fixing structure 1 according to the embodiment of the present invention, the press contact terminal portion 12 includes a bottom plate portion 16, a pair of side walls 17 and 17 rising in the same direction from both sides of the bottom plate portion 16, and the side walls 17. , 17 and the press contact blade 18 bent inward.

  Furthermore, the press-contact terminal fixing structure 1 according to the embodiment of the present invention includes an electric wire pressing portion 15 that holds the electric wire terminal between the press-contact terminal portion 12 and the fixed leg portion 14.

  In addition, in the press-contact terminal fixing structure 1 according to the embodiment of the present invention, the control board 10 is used in the assembled battery 23 that directly connects a plurality of unit cells 22 and outputs a desired voltage. 22 output voltage is controlled.

  According to the present embodiment, the press contact terminal 11 is connected to the connection terminal portion 13 connected to the circuit conductor of the control board 10, and the fixed leg portion 14 is bent and fixed along the side end portion 10a of the control board 10. It is formed with. For this reason, it is not necessary to solder the mounting surface of the press contact terminal 11 and the control board 10, and stress caused by a press fit for fixing is not applied. (Soldering part) and a board | substrate are not cracked, and the connection reliability of an electric wire terminal can be improved.

  In addition, a connection terminal portion 13 connected to a circuit conductor is formed on one side of the press contact terminal portion 12, and a fixed leg portion 14 that is bent and fixed along the side end portion 10a of the control board 10 on the other side. And are formed. Since there is no need to form a fixing through hole on the side end 10 a side of the control board 10, a connection portion (for example, a through hole) to which the connection terminal portion 13 is connected is connected to the side end 10 a side of the control board 10. The control board 10 can be prevented from being enlarged.

  Therefore, the connection reliability of the electric wire terminal can be improved and the control board 10 can be prevented from being enlarged.

  The press contact terminal portion 12 includes a bottom plate portion 16, a pair of side walls 17 and 17 that rise in the same direction from both sides of the bottom plate portion 16, and press contact blades 18 and 18 that are bent inward from the side walls 17 and 17. Consists of. Thereby, an electric wire terminal can be connected more reliably.

  Moreover, it has the electric wire press part 15 which hold | suppresses an electric wire terminal between the press-contact terminal part 12 and the fixed leg part 14. FIG. Thereby, the connection reliability of an electric wire terminal can be improved more by preventing that an electric wire terminal slips out from the press-contact terminal part 12. FIG. In addition, since the wire retainer 15 that holds the wire terminal is provided on the fixed leg portion 14 side, the influence on the connection terminal portion 13 of the stress generated when the wire is crimped onto the wire retainer 15 is reduced. be able to.

  Further, the control board 10 is used in a battery pack 23 that directly connects a plurality of unit cells 22 and outputs a desired voltage, thereby detecting a unit cell voltage, detecting a unit cell abnormality, and a plurality of unit cell voltages. Controls voltage equalization between unit cells based on. Thereby, the connection reliability of the connection with the voltage detection electric wire 62 of the unit cell 22 can be improved by using the press contact terminal 11 for the control board 10.

  The press contact terminal fixing structure of the present invention has been described based on the illustrated embodiment. However, the present invention is not limited to this, and the configuration of each part is replaced with an arbitrary configuration having the same function. be able to.

  For example, in the embodiment of the present invention, the case where the insulating cover body 41 covers only the bus bar accommodating portion 34 has been described, but the present invention is not limited to this. For example, both the bus bar accommodating portion 34 and the substrate accommodating portion 35 may be covered with the insulating cover body 41, and the substrate accommodating portion 35 may be folded over the bus bar accommodating portion 34.

  In the above embodiment, the fixed leg portion 14 is provided so as to extend in the longitudinal direction of the bottom plate portion 16, but it may be provided so as to extend in a direction intersecting with the longitudinal direction of the bottom plate portion 16. In this case, the press contact terminal 11 can be fixed along the end wall of the side plate portion 10 a of the control board 10.

  INDUSTRIAL APPLICABILITY The present invention is extremely useful for a structure for fixing a press contact terminal to a substrate for directly connecting an electric wire from outside the control substrate to a circuit conductor formed on the control substrate.

1 Pressure contact terminal fixing structure 11 Board direct contact pressure contact terminal (pressure contact terminal)
DESCRIPTION OF SYMBOLS 12 Press-contact terminal part 13 Connection terminal part 14 Fixed leg part 15 Electric wire press part 16 Bottom plate part 17 Side wall 18 Press-contact blade 21 Connection control body 22 Unit cell 23 Battery assembly 31 Bus bar plate 32 Case main body 33 Hinge 34 Bus bar accommodating part 35 Substrate accommodating part 36 Voltage detection line lead-out part 41 Insulation cover body 51 Connection bus bar 61 Voltage detection terminal 62 Voltage detection wire 71 Board body 72 Ribbon wire 73 PCB connector

Claims (4)

A structure for fixing a press contact terminal to a circuit board directly connected to a circuit conductor formed on the control board to the circuit board,
The press contact terminal is provided on the other side of the press contact terminal portion, the press contact terminal portion to which the wire end is press connected, the connection terminal portion provided on one side of the press contact terminal portion and connected to the circuit conductor. And a fixed leg portion that is bent and fixed along a side end portion of the control board. The press-contact terminal fixing structure according to claim 1,
The pressure contact terminal fixing structure includes a bottom plate portion, a pair of side walls rising in the same direction from both sides of the bottom plate portion, and a pressure contact blade bent inward from the side walls. The press-contact terminal fixing structure according to claim 1 or 2,
A press-contact terminal fixing structure having an electric wire pressing portion for pressing an electric wire end between the press-contact terminal portion and the fixed leg portion. The press-contact terminal fixing structure according to any one of claims 1 to 3,
The control board is used in an assembled battery that directly connects a plurality of unit cells and outputs a desired voltage, and detects unit cell voltage, unit cell abnormality, and unit cell voltage based on unit cell voltage. Pressure contact terminal fixing structure characterized by controlling equalization.