Hybrid electric connection structure between electric control unit boards

Abstract

The utility model relates to the technical field of electric control units, in particular to a hybrid electric connection structure between electric control unit boards, which comprises an upper layer board, a lower layer board, a connector between power boards, a connector between signal boards, a sleeve, a connector, a base and a fastening piece, and the upper layer board and the lower layer board are connected through the connector between the power boards, the connector between the signal boards and the sleeve. The signal inter-board connector comprises two positioning modules and a transfer module assembly, the head and the tail of the transfer module assembly are each provided with one positioning module, and the transfer module assembly is formed by connecting a plurality of transfer module bodies in the length direction. Compared with the prior art, the power inter-board connector, the signal inter-board connector and the sleeve are adopted to realize the connection of the upper layer board and the lower layer board, so that different requirements of inter-board power supplies and signals are met; due to the modular design of the connector between the signal boards, modular combination can be carried out according to different application conditions. The utility model has the advantages of simple installation and low cost.

Description

Technical Field

[0001] The utility model relates to the technical field of electric control units, in particular to a hybrid electric connection structure between boards of an electric control unit. Background Art

[0002] In the ECU electronic control unit of the automobile electric power steering system EPS, the electrical connection structure between traditional circuit boards PCB can no longer meet the needs of functional iteration and technological updates.

[0003] In order to reduce the radial size of the electronic control unit, a double-layer PCB structure is adopted. Since it needs to work in real time, the electrical connection between the double-layer PCBs is more important. At present, the communication between the two boards is mainly achieved through conventional connectors, but the connectors cannot meet the different power and signal requirements between the double-layer PCBs. Due to the fixed structure of the connectors, it cannot meet different application conditions.

[0004] Therefore, it is necessary to design a hybrid electrical connection structure between the boards of the electronic control unit to achieve normal operation of the electronic control unit through hybrid connection and meet different application conditions and requirements. Summary of the invention

[0005] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a hybrid electrical connection structure between boards of an electric control unit, so as to realize the normal operation of the electric control unit through a hybrid connection and meet different application conditions and requirements.

[0006] In order to achieve the above-mentioned purpose, the utility model is a hybrid electrical connection structure between boards of an electronic control unit, including an upper board, a lower board, a connector between power boards, a connector between signal boards, a sleeve, a connector, a base, and a fastener. The connector is welded and fixed to the upper board, and the upper board and the lower board are connected by a connector between power boards, a connector between signal boards, and a sleeve. The fastener passes through the connector, the upper board, the sleeve, and the lower board in sequence and is fixed to the base. The connector between power boards and the connector between signal boards are welded and fixed. The connector between signal boards includes two positioning modules and a transfer module assembly. A positioning module is respectively installed at the head and the tail of the transfer module assembly, and the transfer module assembly is composed of several transfer module bodies connected along the length direction.

[0007] The positioning module includes a module body, a positioning column, a signal PIN needle, and a connecting structure. Several signal PIN needles penetrate the upper and lower surfaces of the module body. The upper and lower ends of the signal PIN needle are electrically connected to the signal ends of the upper board and the lower board respectively. A positioning column is installed at one end of the module body. The upper and lower ends of the positioning column are respectively inserted into the positioning holes of the upper board and the lower board. The other end of the module body is provided with a connecting structure connected to the transfer module assembly.

[0008] The first connection structure is one of a mounting groove and a mounting protrusion. The head and tail of the transfer module assembly are provided with the other of the mounting groove and the mounting protrusion, and the mounting groove matches the mounting protrusion.

[0009] The surface of the transfer module body is penetrated by a plurality of signal PIN pins 2, the upper and lower ends of the signal PIN pins 2 are electrically connected to the signal ends of the upper board and the lower board respectively, a support block is provided on both sides of the transfer module body respectively, the upper and lower ends of the support block are respectively against the upper board and the lower board, and a set of connection structures 2 are provided at both ends of the transfer module body.

[0010] The second set of connection structures includes a mounting groove and a mounting protrusion, and the mounting groove matches the mounting protrusion.

[0011] The power board connector includes an insert, a positioning column 2, and a power PIN needle. A positioning column 2 is installed on both sides of the insert. The upper and lower ends of the positioning column 2 are respectively inserted into the positioning holes 2 of the upper board and the lower board. Several power PIN needles penetrate the upper and lower surfaces of the insert. The upper and lower ends of the power PIN needles are electrically connected to the power ends of the upper board and the lower board respectively.

[0012] The upper and lower surfaces of the insert are provided with supporting surfaces, and the supporting surfaces abut against the upper plate or the lower plate.

[0013] The sleeve is a stainless steel hollow structure, and the two ends of the sleeve are respectively welded and fixed to the upper plate and the lower plate.

[0014] The connector is connected to the signal end of the vehicle.

[0015] The fastener is a screw, and a bushing is provided between the screw and the connector.

[0016] Compared with the prior art, the utility model uses a power board connector, a signal board connector and a sleeve to achieve the connection between the upper board and the lower board, meeting the different power and signal requirements between the boards; the modular design of the signal board connector can be modularly combined according to different application conditions. The utility model has the advantages of simple installation and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 The figure is a schematic diagram of the structure of the signal board connector of the utility model.

[0019] Figure 3 It is a structural schematic diagram of the signal board connector positioning module of the utility model.

[0020] Figure 4It is a structural schematic diagram of the signal board connector transfer module body of the utility model.

[0021] Figure 5 It is a structural schematic diagram of the sleeve of the utility model.

[0022] Figure 6 It is a schematic diagram of the structure of the power board connector of the utility model. DETAILED DESCRIPTION

[0023] The utility model is now further described with reference to the accompanying drawings.

[0024] See also Figure 1 The utility model is a hybrid electrical connection structure between boards of an electric control unit, including an upper board, a lower board, a power board connector, a signal board connector, a sleeve, a connector, a base, and a fastener. The connector 1 is welded and fixed to the upper board 2. The upper board 2 and the lower board 4 are connected by a power board connector 3, a signal board connector 7, and a sleeve 8. The sleeve 8 supports the upper board 2 and the lower board 4. The power board connector 3 and the signal board connector 7 serve as electrical connections between the upper board 2 and the lower board 4. The fastener 6 passes through the connector 1, the upper board 2, the sleeve 8, and the lower board 4 in sequence, and is fixed to the base 5. The power board connector 3 and the signal board connector 7 are welded and fixed. The power board connector 3 and the signal board connector 7 play a certain auxiliary fixing role for the upper board 2 and the lower board 4.

[0025] See also Figure 2 The signal board connector 7 includes two positioning modules 71 and a transfer module assembly 72. A positioning module 71 is installed at the head and tail of the transfer module assembly 72 respectively. The transfer module assembly 72 is composed of a plurality of transfer module bodies 721 connected along the length direction.

[0026] See also Figure 3 The positioning module 71 includes a module body 711, a positioning column 712, a signal PIN needle 713, and a connection structure 714. A plurality of signal PIN needles 713 penetrate the upper and lower surfaces of the module body 711. The upper and lower ends of the signal PIN needle 713 are electrically connected to the signal ends of the upper plate 2 and the lower plate 4, respectively. A positioning column 712 is installed at one end of the module body 711. The upper and lower ends of the positioning column 712 are inserted into the positioning holes of the upper plate 2 and the lower plate 4, respectively. The other end of the module body 711 is provided with a connection structure 714 connected to the transfer module assembly 72. During installation, the positioning column 712 is connected to the base 5 to play a positioning role.

[0027] The connection structure 714 is one of the mounting grooves or mounting protrusions. The head and tail of the transfer module assembly 72 are provided with the other of the mounting grooves or mounting protrusions. The mounting grooves match the mounting protrusions to achieve the connection between the positioning module 71 and the transfer module assembly 72 and prevent them from falling out.

[0028] See also Figure 4 The surface of the transfer module body 721 is penetrated by a plurality of signal PIN pins 722, the upper and lower ends of the signal PIN pins 722 are electrically connected to the signal ends of the upper board 2 and the lower board 4 respectively, a support block 723 is provided on both sides of the transfer module body 721, the upper and lower ends of the support block 723 are respectively against the upper board 2 and the lower board 4, and a set of connection structures 724 are provided at both ends of the transfer module body 721. The support block 723 is used to maintain the distance between the upper board 2 and the lower board 4.

[0029] The signal PIN pin 1 713 and the signal PIN pin 2 722 are mainly used to transmit sensor signals between the upper board 2 and the lower board 4.

[0030] A second set of connection structures 724 includes a mounting groove and a mounting protrusion, and the mounting groove matches the mounting protrusion to achieve the connection between two transfer module bodies 721 and prevent them from coming out. A plurality of transfer module bodies 721 cooperate to achieve the function of a connector between signal boards.

[0031] See also Figure 6 The power board connector 3 includes an insert 31, a positioning column 32, and a power PIN needle 33. A positioning column 32 is installed on both sides of the insert 31. The upper and lower ends of the positioning column 32 are respectively inserted into the positioning holes 2 of the upper board 2 and the lower board 4. A plurality of power PIN needles 33 penetrate the upper and lower surfaces of the insert 31. The upper and lower ends of the power PIN needles 33 are respectively electrically connected to the power ends of the upper board 2 and the lower board 4. In order to meet the requirements of excessive current and positive and negative poles, two groups of power PIN needles 33 are generally used in pairs.

[0032] The upper and lower surfaces of the insert 31 are provided with support surfaces 311, which abut against the upper board 2 or the lower board 4, so that the power board connector 3 is stably placed on the lower board 4, and the power board connector 3 provides auxiliary support for the upper board 2. Considering the tolerance, a certain gap is designed between the support surface 311 and the upper board 2.

[0033] See also Figure 5The sleeve 8 is a stainless steel hollow structure, and the two ends of the sleeve 8 are respectively welded and fixed to the upper plate 2 and the lower plate 4. Before assembly, the lower end of the sleeve 8 is pre-connected with the lower plate 4 by wave soldering and fed as a component. After the upper plate 2 is installed, the upper end of the sleeve 8 is connected to the upper plate 2 by soldering. The stainless steel material has a certain overcurrent capacity, and under some working conditions, the residual electricity on the upper plate 2 can be introduced into the lower plate 4, thereby enhancing the ESD capability.

[0034] Connector 1 is connected to the signal terminal of the whole vehicle to realize the communication of the whole vehicle.

[0035] The fastener 6 is a screw, and a bushing 11 is provided between the screw and the connector 1. The screw specification is selected to be M4 or above.

[0036] The utility model uses a power board connector, a signal board connector and a sleeve to connect the upper board and the lower board, meeting different power and signal requirements between boards; the modular design of the signal board connector can be modularly combined according to different application conditions. The utility model has the advantages of simple installation and low cost.

Claims

1. A hybrid electrical connection structure between boards of an electric control unit, comprising an upper board, a lower board, a connector between power boards, a connector between signal boards, a sleeve, a connector, a base, and a fastener, characterized in that: The connector (1) is fixed to the upper plate (2) by welding, and the upper plate (2) and the lower plate (4) are connected by a power plate connector (3), a signal plate connector (7), and a sleeve (8). The fastener (6) passes through the connector (1), the upper plate (2), the sleeve (8), and the lower plate (4) in sequence and is fixed to the base (5). The power plate connector (3) and the signal plate connector (7) are fixed by welding. The signal board connector (7) comprises two positioning modules (71) and a transfer module assembly (72). A positioning module (71) is respectively installed at the head and tail of the transfer module assembly (72). The transfer module assembly (72) is formed by connecting a plurality of transfer module bodies (721) along the length direction.

2. The hybrid electrical connection structure between boards of an electric control unit according to claim 1, characterized in that: The positioning module (71) comprises a module body (711), a positioning column (712), a signal PIN needle (713), and a connection structure (714). A plurality of signal PIN needles (713) penetrate the upper and lower surfaces of the module body (711). The upper and lower ends of the signal PIN needle (713) are electrically connected to the signal ends of the upper plate (2) and the lower plate (4), respectively. A positioning column (712) is installed at one end of the module body (711). The upper and lower ends of the positioning column (712) are inserted into the positioning holes of the upper plate (2) and the lower plate (4), respectively. The other end of the module body (711) is provided with a connection structure (714) connected to the transfer module assembly (72).

3. The hybrid electrical connection structure between boards of an electric control unit according to claim 2, characterized in that: The connection structure 1 (714) is one of a mounting groove and a mounting protrusion, and the head and tail of the transfer module assembly (72) are provided with the other of the mounting groove and the mounting protrusion, and the mounting groove matches the mounting protrusion.

4. The hybrid electrical connection structure between boards of an electric control unit according to claim 1, characterized in that: A plurality of signal PIN pins (722) are provided through the surface of the transfer module body (721), and the upper and lower ends of the signal PIN pins (722) are electrically connected to the signal ends of the upper plate (2) and the lower plate (4) respectively. A support block (723) is provided on both sides of the transfer module body (721), and the upper and lower ends of the support block (723) are respectively against the upper plate (2) and the lower plate (4). A set of connection structures (724) are provided at both ends of the transfer module body (721).

5. The hybrid electrical connection structure between boards of an electric control unit according to claim 4, characterized in that: The second set of connection structures (724) comprises a mounting groove and a mounting protrusion, and the mounting groove matches the mounting protrusion.

6. The hybrid electrical connection structure between boards of an electric control unit according to claim 1, characterized in that: The power board connector (3) comprises an insert (31), a second positioning column (32), and a power PIN needle (33). A second positioning column (32) is installed on both sides of the insert (31), and the upper and lower ends of the second positioning column (32) are respectively inserted into the second positioning hole of the upper board (2) and the lower board (4). A plurality of power PIN needles (33) penetrate the upper and lower surfaces of the insert (31), and the upper and lower ends of the power PIN needles (33) are respectively electrically connected to the power ends of the upper board (2) and the lower board (4).

7. The hybrid electrical connection structure between boards of an electric control unit according to claim 6, characterized in that: The upper and lower surfaces of the insert (31) are provided with support surfaces (311), and the support surfaces (311) are against the upper plate (2) or the lower plate (4).

8. The hybrid electrical connection structure between boards of an electric control unit according to claim 1, characterized in that: The sleeve (8) is a stainless steel hollow structure, and the two ends of the sleeve (8) are respectively welded and fixed to the upper plate (2) and the lower plate (4).

9. The hybrid electrical connection structure between boards of an electric control unit according to claim 1, characterized in that: The connector (1) is connected to the signal end of the vehicle.

10. The hybrid electrical connection structure between boards of an electric control unit according to claim 1, characterized in that: The fastener (6) is a screw, and a bushing (11) is provided between the screw and the connector (1).

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