CN216600346U

CN216600346U - Novel automobile motor controller

Info

Publication number: CN216600346U
Application number: CN202122462675.6U
Authority: CN
Inventors: 王元宵; 周杰
Original assignee: Wuxi Huachen Control Technology Co ltd
Current assignee: Wuxi Huachen Control Technology Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-05-24
Anticipated expiration: 2031-10-13

Abstract

The utility model discloses a novel automobile motor controller which comprises a box body, a box cover and a mounting seat, wherein a driving circuit board and a control circuit board are arranged in the box body, an air inlet is formed in the side wall of the box body, a connecting plate is arranged on the outer side of the box body, and a bolt is arranged between the connecting plate and the mounting seat. A plurality of protection resistance can absorb a large amount of thunderbolt electric currents, and then relevant circuit board and electronic equipment normal operating in the assurance box, improve car machine controller's lightning protection protectiveness, the body can produce high temperature when protection resistance absorbs a large amount of thunderbolt electric currents, PLC in the control box can control the start-up fan, and carry out the effective heat dissipation to the formula to protection resistance, the normal life of protection resistance has been guaranteed, through the shock pad that sets up between box and mount pad, the waterproof layer, and have damping spring's bolt structure, whole shock attenuation and bottom waterproof nature after car machine controller installs have been improved greatly.

Description

Novel automobile motor controller

Technical Field

The utility model belongs to the technical field of motor controllers, and particularly relates to a novel automobile motor controller.

Background

With the development of the existing electric automobile technology, the application range of the electric automobile is wider and wider, with the increase of the quantity of the electric automobiles, higher requirements are put forward on the reliability and safety of the electric automobile, and the reliability and safety of the electric automobile are determined by the performance of the motor and the motor controller which are used as core components of the electric automobile.

The publication No. CN205004980U discloses an automobile motor controller, which comprises a controller box, a capacitor module, a power module, a DC bus and a plurality of connectors, wherein a cavity is arranged in the middle of the controller box, an open opening is formed at the top of the cavity, the capacitor module, the power module and the DC bus are all arranged in the cavity, the capacitor module is electrically connected with the power module through the DC bus, connectors are respectively arranged at the input end of the DC bus and the output end of the power module, the connectors are all arranged on the front end surface of the controller box, part of the connectors are connected into a row, the rest connectors are arranged below the connectors connected into a row, through holes are arranged on the outer side of the connectors below and the side wall of the controller box, the power module is arranged on the front end bottom wall of the cavity, the capacitor module is arranged on the rear end bottom wall of the cavity, the direct-current busbar is located on the side edge of the power module, the driving circuit board is installed at the top of the power module, the control circuit board is installed at the top of the capacitor module, and the capacitor circuit board is installed at the top of the direct-current busbar.

However, the motor controller for an automobile has low lightning protection performance, and also has poor overall shock absorption performance and bottom water resistance after installation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel automobile motor controller to solve the problems of low lightning protection performance, poor overall shock absorption performance after installation and poor bottom waterproofness in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel automobile motor controller, includes box, case lid, mount pad, be equipped with drive circuit board, control scheme board in the box, the lateral wall of box is equipped with the air intake, the outside of box is equipped with the connecting plate, installed the bolt between connecting plate and the mount pad, the top of air intake and fan all sets up the dust screen.

Preferably, be equipped with temperature controller, control box, tray on the lateral wall in the box, be equipped with heat insulating board, protection resistor in the box, be equipped with recess, fan on the case lid, the lower extreme of case lid is equipped with the probe, the built-in lightning rod that is equipped with of recess, be equipped with between lightning rod and the protection resistor and lead the thunder line, be equipped with the louvre on the heat insulating board, be equipped with the screw pin between heat insulating board and the tray, the heat insulating board adopts the expansion perlite board, has good heat-proof quality, and in addition, protection resistor has clearance distance with the heat insulating board, wholly avoids the high temperature of protection resistor to transmit the condition of the relevant circuit board in below.

Preferably, protective resistor and fan are transverse arrangement's three and align from top to bottom, connecting wire between every protective resistor, the probe is transverse arrangement's two and locates respectively between every protective resistor, probe, temperature controller, control box, fan electric connection preset PLC in the control box, can be to opening of the temperature value control fan of the protective resistor that the transmission comes, and protective resistor is transient state heavy current resistance, and the fan model is XZ-SF2-2, and the lightning rod model is TYB-04, and it is small-size lightning rod, and probe and temperature controller are a whole, for mechanical type temperature controller commonly used, and its model is F711, and relevant equipment all inserts through the power supply row that the wire is connected to in the car motor controller.

Preferably, the support block is a long strip block, the cross section of the support block is of an L-shaped structure, the heat dissipation holes are arranged in two groups in a front-back mode, the number of each group is thirteen in transverse arrangement, the support block is made of ABS plastic, and the support block is high in strength, easy to bond and insulating.

Preferably, the top end of the mounting seat is provided with a shock pad, the bolt penetrates through the connecting plate and is in threaded connection with the mounting seat, the outer wall of the bolt is sleeved with a shock absorption spring, the lower end of the box body is provided with a waterproof layer, and the shock pad is a polyurethane rubber pad, so that the shock absorption pad has high elasticity, wear resistance and corrosion resistance.

Preferably, damping spring's both ends respectively with connecting plate and mount pad extrusion contact, damping spring is spiral steel spring, adopts high-quality spring steel matter to make, and damping elasticity is strong and stable.

Preferably, the waterproof layer covers the lower end faces of the box body and the connecting plate integrally, and the waterproof layer is a PVC (polyvinyl chloride) foaming plate and has good waterproof performance.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the lightning-protection lightning-leading protection structure, when a box body is subjected to lightning current, the lightning current is led to the protection resistors through the lightning-leading wires, a plurality of protection resistors can absorb a large amount of lightning current, so that normal operation of related circuit boards and electronic equipment in the box body is guaranteed, the lightning protection performance of an automobile motor controller is improved, in addition, the arranged interlayer structure is provided with the self-starting heat dissipation structure, when the protection resistors absorb a large amount of lightning current, the body can generate high temperature, the PLC in the control box can control the starting fan, the protection resistors are subjected to targeted effective heat dissipation, and the normal service life of the protection resistors is guaranteed.

2. According to the utility model, the shock pad and the waterproof layer are arranged between the box body and the mounting seat, and the bolt structure with the shock absorbing spring is adopted, so that the overall shock absorption performance and the bottom waterproof performance of the automobile motor controller after installation are greatly improved.

Drawings

FIG. 1 is an elevational cross-sectional view of the overall construction of the present invention;

fig. 2 is a partial enlarged view of a single lightning protection structure of fig. 1 according to the utility model;

fig. 3 is a block diagram of the present invention.

In the figure: the device comprises a box body 1, a driving circuit board 11, a control circuit board 12, a temperature controller 13, a control box 14, an air inlet 15, a connecting plate 16, a mounting seat 2, a shock pad 21, a waterproof layer 3, bolts 31, damping springs 32, a supporting block 4, a screw pin 41, a heat insulation plate 5, heat dissipation holes 51, a box cover 6, a fan 61, a probe 62, a groove 7, a lightning rod 71, a lightning conductor 72, a protective resistor 73 and a lead 74.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, 2 and 3, a novel automobile motor controller shown in the figure includes a box body 1, a box cover 6 and a mounting seat 2, a driving circuit board 11 and a control circuit board 12 are arranged in the box body 1, an air inlet 15 is arranged on a side wall of the box body 1, a connecting plate 16 is welded on the outer side of the box body 1, a bolt 31 is arranged between the connecting plate 16 and the mounting seat 2, and the related structures are assembly structures of the automobile motor controller disclosed in the publication No. CN 205004980U.

The side wall in the box body 1 is provided with a temperature controller 13, a control box 14 and a support block 4, the box body 1 is internally provided with a heat insulation board 5 and a protective resistor 73, the box cover 6 is provided with a groove 7, the fan 61, the lower extreme of case lid 6 is equipped with probe 62, the built-in lightning rod 71 that is equipped with of recess 7, be equipped with between lightning rod 71 and the protective resistor 73 and lead thunder line 72, be equipped with louvre 51 on the heat insulating board 5, be equipped with screw pin 41 between heat insulating board 5 and the tray 4, protective resistor 73 and fan 61 are three and align from top to bottom of transverse arrangement, connecting wire 74 between every protective resistor 73, probe 62 is two of transverse arrangement and locates respectively between every protective resistor 73, probe 62, temperature controller 13, control box 14, fan 61 electric connection, tray 4 is rectangular piece and the cross-section is L shape structure, louvre 51 is two sets of tandem arrangement, every group quantity is thirteen of transverse arrangement.

In this embodiment, when the box body 1 is subjected to lightning current, the lightning rod 71 can conduct the lightning current to each protection resistor 73 through the lightning conducting wire 72 and the conducting wire 74, and the plurality of protection resistors 73 can absorb a large amount of lightning current, so that normal operation of related circuit boards and electronic equipment in the box body 1 is ensured, and the lightning protection performance of the automobile motor controller is improved;

in addition, probe 62 can carry out temperature monitoring to protective resistor 73, and the body can produce high temperature when protective resistor 73 absorbs a large amount of lightning current, and when the temperature exceeded the temperature of predetermineeing on temperature controller 13, the PLC in control box 14 can control start-up fan 61 to carry out the effective heat dissipation of formula to protective resistor 73, guaranteed protective resistor 73's normal life.

Example 2

Referring to fig. 1, in this embodiment, as further described in embodiment 1, a novel automobile motor controller shown in the figure includes a box body 1, a box cover 6, and a mounting seat 2, a driving circuit board 11 and a control circuit board 12 are disposed in the box body 1, an air inlet 15 is disposed on a side wall of the box body 1, a connecting plate 16 is disposed on an outer side of the box body 1, and a bolt 31 is disposed between the connecting plate 16 and the mounting seat 2.

The shock pad 21 has been bonded on the top of mount pad 2, and bolt 31 passes connecting plate 16 and with mount pad 2 threaded connection, and damping spring 32 has been cup jointed to the outer wall of bolt 31, and the lower extreme of box 1 bonds and has waterproof layer 3, and damping spring 32's both ends respectively with connecting plate 16 and 2 extrusion contact of mount pad, waterproof layer 3 with the whole cladding of the lower terminal surface of box 1 and connecting plate 16.

In this embodiment, install back on mount pad 2 through bolt 31 with box 1, waterproof layer 3 and shock pad 21 extrusion laminating this moment, when box 1 receives vibrations, the shaking force can extrude shock pad 21 and damping spring 32 simultaneously, both can be comprehensive simultaneously with shaking force buffering unload the power shock attenuation, whole shock attenuation nature after having improved car motor controller installation, in addition, the waterproof layer 3 structure of whole cladding formula has also improved the whole waterproof nature in box 1 bottom.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel automobile motor controller is characterized by comprising:

the novel air-conditioning box comprises a box body (1), a box cover (6) and a mounting seat (2), wherein a driving circuit board (11) and a control circuit board (12) are arranged in the box body (1), an air inlet (15) is formed in the side wall of the box body (1), a connecting plate (16) is arranged on the outer side of the box body (1), and a bolt (31) is arranged between the connecting plate (16) and the mounting seat (2).

2. The novel automobile motor controller according to claim 1, characterized in that: be equipped with temperature controller (13), control box (14), tray (4) on the lateral wall in box (1), be equipped with heat insulating board (5), protection resistance (73) in box (1), be equipped with recess (7), fan (61) on case lid (6), the lower extreme of case lid (6) is equipped with probe (62), the built-in lightning rod (71) that is equipped with in recess (7), be equipped with between lightning rod (71) and protection resistance (73) and lead thunder wire (72), be equipped with louvre (51) on heat insulating board (5), be equipped with between heat insulating board (5) and tray (4) spiral shell round pin (41).

3. The novel automobile motor controller according to claim 2, characterized in that: the protection resistors (73) and the fan (61) are three in transverse arrangement and are aligned up and down, a lead (74) is connected between each protection resistor (73), the probes (62) are two in transverse arrangement and are respectively arranged between each protection resistor (73), and the probes (62), the temperature controller (13), the control box (14) and the fan (61) are electrically connected.

4. The novel automobile motor controller according to claim 2, characterized in that: the support block (4) is a long strip block, the cross section of the support block is of an L-shaped structure, the heat dissipation holes (51) are arranged in two groups in a front-back mode, and the number of each group is thirteen in transverse arrangement.

5. The novel automobile motor controller according to claim 1, characterized in that: the shock pad (21) is arranged at the top end of the mounting seat (2), the bolt (31) penetrates through the connecting plate (16) and is in threaded connection with the mounting seat (2), the damping spring (32) is sleeved on the outer wall of the bolt (31), and the waterproof layer (3) is arranged at the lower end of the box body (1).

6. The novel automobile motor controller according to claim 5, characterized in that: and two ends of the damping spring (32) are respectively in extrusion contact with the connecting plate (16) and the mounting seat (2).

7. The novel automobile motor controller according to claim 5, characterized in that: the waterproof layer (3) integrally coats the lower end faces of the box body (1) and the connecting plate (16).