Multigroup Hall switch motorTechnical field
Electric vehicle motor field is the utility model is related to, is more particularly to multigroup Hall switch motor.
Background technology
At present, Hall element is used in the brushless electric machine of electric car, and the main function in motor is to inform how is controllerWhen change phase current direction.It is provided only with one group of Hall subassembly in electric vehicle motor, is often walked and jolted due to electric carLu Shang, Hall subassembly easily break down.The failure of Hall subassembly mainly has Hall element to come off, Hall circuit board fails, suddenlyYour component lead disconnection etc..Hall element is once break down, and electric car cannot work, and user typically will not failure judgementReason, electric car can only be pushed into just place under repair at repairing, many inconvenience are caused to user.Although Hall subassembly costIt is relatively cheap, but need to disassemble whole back wheels of vehicle after easily breaking down, during maintenance, improve the cost of maintenance.
Utility model content
In order to solve the above problems, the utility model provides a kind of multigroup Hall switch motor, and its is simple in construction, HallDuring component faults, user can voluntarily repair, easy to operate.
According to one side of the present utility model, there is provided multigroup Hall switch motor, it includes motor outer ring, motor sideLid, motor shaft, iron core bracket and stator core, iron core bracket are installed on motor shaft, and stator core is sheathed on iron core bracket, fixedThe both sides of sub- iron core are provided with insulating frame, stator winding are wound with the groove of stator core, being provided with the groove of stator core prevents statorThe slot wedge of winding positioning, magnet steel is provided with motor outer ring, motor outer ring is installed on motor shaft by bearing, and motor outer ring is sheathed onOn the outside of stator core, motor side lid is installed on the side of motor outer ring, and stator core is connected with two groups of Hall subassemblies；
Every group of Hall subassembly includes Hall element A, Hall element B, Hall element C and Hall circuit board, Hall element A,Hall element B and Hall element C is fixedly connected on stator core, and Hall circuit board is located at the side of stator core, Hall circuitHall insulating trip is provided between plate and stator core, Hall element A, Hall element B and Hall element C are equipped with three pins,Three pins are respectively positive pole, negative pole and signal wire, and Hall element A, Hall element B and Hall element C pin are all connected toHall circuit board, an electrode line, a negative line, signal wire A, signal wire B, signal wire C are pooled by Hall circuit board,Electrode line, negative line, signal wire A, signal wire B and signal wire C are bundled into as a branch of Hall group line, and the end connection of Hall group lineThere is Hall connector；
Motor shaft is provided with threading hole, and the Hall group line of every group of Hall subassembly both passes through threading hole.
In some embodiments, Hall subassembly is provided with two groups, and two groups of Hall subassemblies are respectively arranged on stator core or so twoSide.
In some embodiments, Hall subassembly is provided with two groups, and two groups of Hall subassemblies are located at stator core the same side.
In some embodiments, Hall subassembly is provided with three groups, and three groups of Hall subassemblies are located at stator core the same side.
In some embodiments, Hall subassembly is provided with three groups, wherein two groups of Hall subassemblies are located at stator core the same side,Another group of Hall subassembly is located at the opposite side of stator core.
In some embodiments, Hall subassembly is provided with four groups, wherein two groups of Hall subassemblies are located at stator core the same side,Another two groups of Hall subassemblies are located at the opposite side of stator core.
In some embodiments, iron core bracket is provided with reinforcement.Thus, the bearing capacity of electric car is strengthened.
In some embodiments, Hall circuit board and electrode line, negative line, signal wire A, signal wire B, signal wire CJunction is reinforced with glue.Thus, it is possible to prevent electrode line, negative line, signal wire A, signal wire B, signal wire C and Hall circuitThe junction of plate disconnects.
Compared with prior art, the beneficial effects of the utility model are：The utility model is simple in construction, scientific and reasonable, ifAt least two groups of Hall subassemblies are put, when one of which Hall subassembly failure, user can pull out the Hall of this group of Hall subassemblyConnector, the Hall connector of another group of Hall subassembly is inserted, user can voluntarily repair, simple to operate；The Hall subassembly of failure can wait until to go to repair at odd times again, if electric vehicle motor is provided with multigroup Hall subassembly, usePerson can also select not repair.
Brief description of the drawings
Fig. 1 is the structural representation of an embodiment of the multigroup Hall switch motor of the utility model；
Fig. 2 is the structural representation of embodiment 2；
Fig. 3 is the structural representation of embodiment 3；
Fig. 4 is the structural representation of embodiment 4；
Fig. 5 is the structural representation of embodiment 5.
Embodiment
The utility model is further described with reference to embodiment.
Embodiment 1
As shown in figure 1, multigroup Hall switch motor of an embodiment described in the utility model, including motor outer ring 1, electricityMachine side lid 2, motor shaft 3, iron core bracket 4 and stator core 5.Iron core bracket 4 is fixedly installed in motor shaft 3, and stator core 5 is arrangedIn on iron core bracket 4, the both sides of stator core 5 are provided with insulating frame 6, and stator winding 7, stator are wound with the groove of stator core 5Being provided with the groove of iron core 5 prevents the slot wedge 8 of the positioning of stator winding 7, is provided with magnet steel 11 in motor outer ring 1, motor outer ring 1 passes through axleHold 12 and be installed on motor shaft 3, motor outer ring 1 is sheathed on the outside of stator core 5, and motor side lid 2 is installed on the side of motor outer ring 1Face, stator core 5 are provided with two groups of Hall subassemblies 9, and two groups of Hall subassemblies 9 are respectively arranged on the left and right sides of stator core 5.
Every group of Hall subassembly 9 includes Hall element A91, Hall element B92, Hall element C93 and Hall circuit board 94, suddenlyYour element A91, Hall element B92 and Hall element C93 are fixedly connected on stator core 5, and Hall circuit board 94 is located at stator ironThe side of core 5,5 are provided with Hall insulating trip 95 between Hall circuit board 94 and stator core.Hall element A91, Hall element B92Three pins are equipped with Hall element C93, three pins are respectively positive pole, negative pole and signal wire.Hall element A91, HallElement B92 and Hall element C93 pin are all connected to Hall circuit board 94, and a positive pole is pooled by Hall circuit board 94Line, a negative line, signal wire A, signal wire B, signal wire C, electrode line, negative line, signal wire A, signal wire B and signal wire CIt is bundled into as a branch of Hall group line 96, and the end of Hall group line 96 is connected with Hall connector 97.Motor shaft 3 is provided with threading hole31, the Hall group line 96 of every group of Hall subassembly 9 and the motor phase line of stator winding 7 both pass through threading hole 31.
Iron core bracket 4 is provided with reinforcement 41, strengthens the bearing capacity of electric car.
(schemed with glue the junction of Hall circuit board 94 and electrode line, negative line, signal wire A, signal wire B, signal wire CIt is not shown) reinforce.The connection of electrode line, negative line, signal wire A, signal wire B, signal wire C and Hall circuit board 94 can be preventedPlace disconnects.
Embodiment 2
As shown in Fig. 2 the difference of embodiment 2 and embodiment 1 is, Hall subassembly 9 is provided with two groups, two groups of Hall subassemblies9 are respectively positioned on the same side of stator core 5.
Embodiment 3
As shown in figure 3, the difference of embodiment 3 and embodiment 1 is, Hall subassembly 9 is provided with three groups, three groups of Hall subassemblies9 are located at the same side of stator core 5.
Embodiment 4
As shown in figure 4, the difference of embodiment 4 and embodiment 1 is, Hall subassembly 9 is provided with three groups, wherein two groups of Hall groupsPart 9 is located at the same side of stator core 5, and another group of Hall subassembly 9 is located at the opposite side of stator core 5.
Embodiment 5
As shown in figure 5, the difference of embodiment 5 and embodiment 1 is, Hall subassembly 9 is provided with four groups, wherein two groups of Hall groupsPart 9 is located at the same side of stator core 5, and another two groups of Hall subassemblies 9 are located at the opposite side of stator core 5.
In the production of reality, the group number and position of Hall subassembly 9 can according to setting is actually needed, be not limited toUpper embodiment.
The utility model is simple in construction, scientific and reasonable, sets multigroup Hall subassembly 9, when the failure of one of which Hall subassembly 9When, user can pull out the Hall connector 97 of this group of Hall subassembly 9, insert the Hall grafting of another group of Hall subassembly 9Device 97, user can voluntarily repair, simple to operate.The Hall subassembly 9 of failure can wait until at odd times againGo to repair, if electric vehicle motor is provided with multigroup Hall subassembly 9, user can also select not repair.
Above-described is only some embodiments of the present utility model, it is noted that for the ordinary skill of this areaFor personnel, on the premise of creation design of the present utility model is not departed from, other modification and improvement can also be made, these are allBelong to the scope of protection of the utility model.