CN216490125U - Hall circuit board structure and motor - Google Patents
Hall circuit board structure and motor Download PDFInfo
- Publication number
- CN216490125U CN216490125U CN202122919739.0U CN202122919739U CN216490125U CN 216490125 U CN216490125 U CN 216490125U CN 202122919739 U CN202122919739 U CN 202122919739U CN 216490125 U CN216490125 U CN 216490125U
- Authority
- CN
- China
- Prior art keywords
- hall
- circuit board
- fixed
- hall circuit
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a Hall circuit board structure and a motor, which comprises a Hall circuit board assembly used for installation of Hall components and transfer connection of a motor stator and a lead, wherein the Hall circuit board assembly comprises a Hall circuit board, the outer side of the Hall circuit board is fixed with a Hall support frame, a plug-in Hall sensor is singly fixed outside the Hall support frame, a plurality of chip capacitors are fixed on the other side of the Hall circuit board assembly, and a power line assembly is fixed outside the Hall circuit board assembly. The axial size of the motor is greatly reduced, the compact structure of the product is improved, and the miniaturization of the motor is easy to realize.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a Hall circuit board structure and a motor, which are used for positioning, mounting and debugging a Hall PCB assembly of a coreless motor.
Background
The hollow cup brushless motor belongs to a DC permanent magnet servo micro special motor, and is mainly different from a common brushless DC motor in that a tooth socket is not arranged on an armature core, a motor winding is manufactured into a cup type motor according to a special winding process, the hollow cup brushless DC motor is generally composed of a motor body (comprising a stator, a rotor and the like), a position sensor and an electronic commutation circuit, the position sensor is used for detecting the phase position of a main rotor relative to a stator winding in the moving process, converting a position signal of a permanent magnet rotor magnetic field into an electric signal and providing correct commutation information for a logic switching circuit so as to control the conduction and the cut-off of the motor and the stator winding, so that the current in the motor armature winding is commutated in sequence along with the change of the rotor position to form a stepping rotating magnetic field in an air gap and drive the permanent magnet rotor to rotate continuously.
At present, the Hall installation of the coreless motor mainly adopts the following two structures of a plug-in Hall and a surface-mounted Hall, and because a stator end part of a motor stator exists, the plug-in Hall installation design structure usually adopts the installation of the Hall debugging and installation above an armature winding end part, and the structural design can cause the integral axial size of the motor to be increased by 5-8 mm; and the Hall plate is separated from the wiring board, so that the number of parts is increased; the surface-mounted Hall is mainly installed on a rear end cover and is limited by the fact that the end of a stator winding is high, an axially magnetized tracking magnetic steel assembly needs to be adopted facing the position of the front end of the surface-mounted Hall of about 1.2mm, so that parts are increased, in addition, if the motor needs to be maintained after the surface-mounted Hall is generally assembled, the original positioning Hall position fails, debugging and positioning must be carried out again, otherwise, the motor cannot be used, the maintainability of a product is poor, the interchangeability between the assemblies is poor after the assembly is completed, and the failure of a single part faces the risk of the overall failure of the motor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a Hall mounting bracket and a motor which are convenient to position, mount and debug a Hall PCB assembly of a coreless motor and have more compact structures, so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the Hall circuit board structure comprises a Hall circuit board assembly, wherein the Hall circuit board assembly is used for installing Hall components and a motor stator and is connected with a lead wire in a switching mode, the Hall circuit board assembly comprises a Hall circuit board, the outer side of the Hall circuit board is fixed with a Hall support frame, a plug-in Hall sensor is fixed outside the Hall support frame, a plurality of patch capacitors are fixed on the other side of the Hall circuit board assembly, and a power wire assembly is fixed outside the Hall circuit board assembly.
Preferably, the hall circuit board includes excircle and interior circle, the guiding gutter has been opened in the excircle outside, and the excircle outside is fixed with a plurality of winding pads, the excircle corresponds power cord subassembly position department and is fixed with lead wire location installation boss, and the excircle corresponds plug-in components formula hall sensor position department and is fixed with the hall pad, corresponds paster electric capacity position department and is fixed with the electric capacity pad, corresponds power cord subassembly position department and is fixed with the lead wire pad.
Preferably, the plug-in hall sensors and the hall support frames are both provided with a plurality of plug-in hall sensors, the included angle between the adjacent hall pads is theta, the two chip capacitors are arranged, the capacitors are connected between the positive and negative electrodes of the two adjacent plug-in hall sensors in parallel, the included angle between the adjacent capacitor pads is theta, and the included angle between the capacitor pads and the hall pads is theta/; the power line assembly consists of root lines, wherein three phase lines of the motor are connected with the stator winding, and the rest root lines are connected with the plug-in Hall sensor; the plug-in Hall sensor is smaller than the step height of the Hall support frame.
Preferably, the motor comprises a Hall circuit board assembly, an annular stator core, a stator core and a Hall mounting support, the Hall circuit board assembly is mounted on a positioning step of the Hall mounting support, the plug-in Hall sensor is mounted in a Hall mounting groove of the Hall mounting support, the Hall mounting support is arranged on the upper portion of the annular stator core, a hollow cup winding lead is welded on a winding pad of the Hall circuit board assembly, and the Hall circuit board assembly and the Hall mounting support are fixed by dispensing.
Preferably, the motor includes hall circuit board subassembly, armature assembly, hall installing support, rotor, rubber insulation piece and rear end cap, plug-in components formula hall sensor is tangent with stator core, be equipped with the rubber insulation piece to hall board assembly ware protection and isolation between hall circuit board subassembly and the rear end cap.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, through integrating the switching function of the Hall components and the lead wires, adopting plug-in Hall installation, and through accurately positioning the Hall position by combining with peripheral components, the bottom of the Hall is contacted with the annular iron core, the inner wall of the Hall is tangent to the excircle of the winding, and the magnetic leakage flux of the main magnetic field of the rotor is induced, the detection magnetic steel of the rotor can be eliminated, the axial space of the rotor and the end part of the winding is fully utilized, the axial size of the motor is greatly compressed, the compact structure of the product is improved, the space utilization rate of the motor product is improved, and the miniaturization of the motor is easily realized; the winding enameled wire is welded on the Hall circuit board and is directly conducted with a three-phase power line, the Hall element is connected and conducted with the Hall power line, all outgoing lines are welded at the outgoing line position of the circuit board and are led out from the gap positions formed by the debugging boss groove position of the mounting bracket, the rubber insulating sheet and the outgoing line groove of the rear end cover, the assembly process is optimized, the product reliability is improved, the debugging difficulty is simplified, the product integration and the interchangeability are good, the universality of a rotor can be realized after the debugging is finished, the positioning can be realized after the one-time debugging is in place, the maintenance of the motor assembling and disassembling machine does not influence the original Hall debugging positioning precision, and the product assembly efficiency is improved. The motor parts are reduced, and the motor cost is reduced; the circuit board sets up a plurality of breachs, and cooperation hall installing support carries out whole embedment or the processing of moulding plastics with annular iron core, is favorable to improving the mobility of casting glue or injection moulding material.
Drawings
FIG. 1 is a schematic structural diagram of a Hall circuit board assembly according to the present invention;
FIG. 2 is a front view and a side view of a Hall circuit board assembly of the present invention;
FIG. 3 is a schematic structural view of a Hall circuit board assembly assembled on a stator according to the present invention;
fig. 4 is a schematic structural diagram of the hall circuit board assembly assembled on the motor.
In the figure: 01. a Hall circuit board assembly; 02. an armature assembly; 03. a Hall mounting bracket; 04. a rotor; 05. A rubber insulating sheet; 06. a rear end cap; 011. a Hall circuit board; 012. a Hall support frame; 013. a plug-in Hall sensor; 014. a chip capacitor; 015. a power line assembly; 0111. the excircle of the circuit board; 0112. the inner circle of the circuit board; 0113. a diversion trench; 0114. a winding pad; 0115. a lead positioning and mounting boss; 0116. a Hall pad; 0117. a capacitor pad; 0118. a lead pad; 021. an annular stator core; 022. and a stator winding.
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. 1-4, a hall circuit board structure shown in the drawings includes a hall circuit board assembly 01 for mounting hall components and switching a motor stator and a lead wire, where the hall circuit board assembly 01 includes a hall circuit board 011, the outer side of the hall circuit board 011 is fixed to a hall supporting frame 012, a plug-in hall sensor 013 is fixed to the outer side of the hall supporting frame 012, a plurality of chip capacitors 014 are fixed to the other side of the hall circuit board assembly 01, and a power line assembly 015 is fixed to the outer side of the hall circuit board assembly 01.
Wherein, please refer to fig. 2, hall circuit board 011 in the figure includes excircle 0111 and interior circle 0112, open the excircle 0111 outside has the guiding gutter 0113, and the excircle 0111 outside is fixed with a plurality of winding pads 0114, excircle 0111 corresponds power line subassembly 015 position department and is fixed with lead wire location installation boss 0115, and excircle 0111 corresponds plug-in components formula hall sensor 013 position department and is fixed with hall pad 0116, corresponds that paster electric capacity 014 position department is fixed with electric capacity pad 0117, corresponds power line subassembly 015 position department and is fixed with lead wire pad 0118.
In the scheme, the Hall mounting bracket is integrally processed and manufactured by injection molding of high-strength, high-toughness and high-temperature-resistant plastic, and the material is preferably made of PA6 or PBT and a proper amount of glass fiber.
Referring to fig. 1, in the illustration, a plurality of, preferably three, plug-in hall sensors 013 and hall supporting frames 012 are provided, an included angle between adjacent hall pads 0116 is θ, θ is 120N/P °, θ is not greater than 120 °, two patch capacitors 014 are provided, the capacitors are connected in parallel between positive and negative electrodes of two adjacent plug-in hall sensors 013, an included angle between adjacent capacitor pads 0117 is θ, and an included angle between each capacitor pad 0117 and the hall pad 0116 is θ/2; the power line assembly 015 is composed of 8 lines, wherein three phase lines of the motor are connected with a stator winding, the other 5 lines are connected with a plug-in Hall sensor 013, the height of the plug-in Hall sensor 013 is h, and preferably the h value is 3-8 mm; the height h1, preferably the value h1, of the Hall support frame 012 is 0.5-5 mm; preferably, H and the step height H of the hall mounting bracket satisfy: h is less than or equal to H.
It is worth noting that in the scheme, the plug-in type Hall sensor 013 and the chip capacitor 014 are installed on the reverse side of the Hall circuit board 011, and the power line assembly 015 and the stator winding head are installed on the front side of the Hall circuit board 011, so that components can be protected better.
In addition, it should be noted that: referring to fig. 3, the hall circuit board 011 has an outer diameter Φ do, preferably a Φ do value of 15 to 60 mm; the inner diameter of the Hall circuit board 011 is phi di, the preferred value of phi do is between 8 and 50mm, and the preferred value of phi di and the inner diameter of the stator winding phi dg satisfy the following conditions: phi di-phi dg is more than or equal to 0.5mm, and preferably, the difference between the outer diameter phi do and the inner diameter phi di satisfies the following condition: phi do-phi di is more than or equal to 3 mm; the lead positioning and mounting boss 0115 is b in width, preferably b is 6-20 mm, the number of the diversion trenches 0113 is N, N is a positive integer, and preferably N is 3; an included angle between adjacent diversion trenches 0113 is theta, and preferably, an included angle between each diversion trench 0113 and the corresponding Hall bonding pad 0116 is theta/2; preferably, the diversion trench 0113 does not limit the shape in the schematic diagram, the winding pad 0114 can be set to be an open type for conveniently inserting the winding wire end, an included angle between adjacent winding pads 0114 is theta/2, and an included angle between adjacent winding pads 0114 and the hall pad 0116 is theta.
Referring to fig. 3, the illustrated motor includes a hall circuit board assembly 01, an annular stator core 021, a stator core 022, and a hall mounting bracket 03, the hall circuit board assembly 01 is mounted on a positioning step of the hall mounting bracket 03, the hall sensor 013 is mounted in a hall mounting groove of the hall mounting bracket 03, the hall mounting bracket 03 is disposed on the annular stator core 021, a coreless winding lead is welded to a winding pad 0114 of the hall circuit board assembly 01, and the hall circuit board assembly 01 and the hall mounting bracket 03 are fixed by dispensing.
It should be noted that: the available standard rotor of stator module puts the hall fine setting in place, and fixed hall circuit board subassembly 01 and hall installing support 03 are glued to the point, carries out whole embedment or the processing of moulding plastics after stator module debugging is accomplished, and resin or engineering plastics fill between the winding and between winding and iron core installation gap, improve stator module intensity and heat dissipation.
Referring to fig. 4, the illustrated motor includes a hall circuit board assembly 01, an armature assembly 02, a hall mounting bracket 03, a rotor 04, a rubber insulating sheet 05 and a rear end cover 06, the plug-in hall sensor 013 is tangent to the stator core 022, and the rubber insulating sheet 05 for protecting and isolating the hall plate assembly is disposed between the hall circuit board assembly 01 and the rear end cover 06.
It should be noted that the rubber insulation sheet 05 between the hall circuit board assembly 01 and the rear end cover 06 mainly plays a role in protecting and isolating the hall circuit board assembly, so that the product is ensured to be in contact with the rear end cover 06 due to vibration or long-term movement during operation, the product is ensured to be invalid, and meanwhile, the axial distance of the rotor magnetic steel extends out by about 2-4 mm relative to the annular iron core, so that the hall circuit board assembly is ensured to have enough magnetic main field leakage for inducing correct signals.
In the scheme, the Hall circuit board assembly 01 integrates Hall components and lead switching functions, adopts plug-in Hall installation, accurately positions the Hall position by combining with peripheral components, the bottom of the Hall is contacted with the annular iron core, the inner wall of the Hall position is tangent to the excircle of the winding, and the magnetic leakage flux of the main magnetic field of the rotor is induced, so that the detection magnetic steel of the rotor can be cancelled, the axial space of the rotor and the end part of the winding is fully utilized, the axial size of the motor is greatly compressed, the compact structure of the product is improved, the space utilization rate of the motor product is improved, and the miniaturization of the motor is easily realized;
on the other hand, winding enameled wires are welded on a Hall circuit board and are directly conducted with a three-phase power line, a Hall element is connected and conducted with the Hall power line, all outgoing wires are welded at the outgoing line position of the circuit board and are led out from the gap position formed by the groove position of a debugging boss of a mounting bracket, a rubber insulating sheet and the outgoing line groove of a rear end cover, the assembly process is optimized, the reliability of a product is improved, the debugging difficulty is simplified, the integration and interchangeability of the product are good, the universality of a rotor can be realized after the debugging is finished, the positioning can be realized after the one-time debugging is in place, the maintenance of a motor assembling and disassembling machine does not influence the positioning precision of the original Hall debugging, and the assembly efficiency of the product is improved. The motor parts are reduced, and the motor cost is reduced; the circuit board sets up a plurality of breachs, and cooperation hall installing support carries out whole embedment or the processing of moulding plastics with annular iron core, is favorable to improving the mobility of casting glue or injection moulding material.
In addition, g Hall sensing distance in figure 3; phi do Hall circuit board outer diameter; phi di Hall circuit board inner diameter; phi dg stator winding inner diameter; b, the width of the lead positioning installation boss; h, the height of the Hall mounting bracket; h Hall sensor height; h1 Hall support height; theta is adjacent to the Hall included angle.
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 (5)
1. The utility model provides a hall circuit board structure, is including hall circuit board subassembly (01) that is used for hall components and parts's installation and motor stator and lead wire switching, its characterized in that:
hall circuit board subassembly (01) includes Hall circuit board (011), Hall circuit board (011) outside is fixed mutually with Hall support frame (012), and Hall support frame (012) outer singly is fixed with plug-in components formula hall sensor (013), Hall circuit board subassembly (01) opposite side is fixed with a plurality of paster electric capacity (014), and is fixed with power line subassembly (015) in Hall circuit board subassembly (01) outside.
2. The hall circuit board structure of claim 1 wherein: hall circuit board (011) includes excircle (0111) and interior circle (0112), open in excircle (0111) outside has guiding gutter (0113), and excircle (0111) outside is fixed with a plurality of winding pads (0114), excircle (0111) corresponds power line subassembly (015) position department and is fixed with lead wire location installation boss (0115), and excircle (0111) corresponds plug-in components formula Hall sensor (013) position department and is fixed with Hall pad (0116), corresponds paster electric capacity (014) position department and is fixed with electric capacity pad (0117), corresponds power line subassembly (015) position department and is fixed with lead wire pad (0118).
3. The hall circuit board structure of claim 2 wherein: the plug-in Hall sensors (013) and the Hall support frames (012) are respectively provided with a plurality of Hall pads (0116), the included angle between the adjacent Hall pads (0116) is theta, two of the patch capacitors (014) are provided, the capacitors are connected between the positive and negative electrodes of the two adjacent plug-in Hall sensors (013) in parallel, the included angle between the adjacent capacitor pads (0117) is theta, and the included angle between the capacitor pads (0117) and the Hall pads (0116) is theta/2; the power line assembly (015) consists of 8 lines, wherein three phase lines of the motor are connected with the stator winding, and the other 5 lines are connected with the plug-in Hall sensor (013); the plug-in Hall sensor (013) is shorter than the step height of the Hall support frame (012).
4. The utility model provides a motor with hall circuit board structure which characterized in that: the Hall circuit board structure comprises the Hall circuit board assembly (01), an annular stator core (021), a stator core (022) and a Hall mounting bracket (03), wherein the Hall circuit board assembly (01) is mounted on a positioning step of the Hall mounting bracket (03), the plug-in Hall sensor (013) is mounted in a Hall mounting groove of the Hall mounting bracket (03), the Hall mounting bracket (03) is arranged on the upper portion of the annular stator core (021), a coreless winding lead is welded on a winding pad (0114) of the Hall circuit board assembly (01), and the Hall circuit board assembly (01) and the Hall mounting bracket (03) are fixed by dispensing.
5. The utility model provides a motor with hall circuit board structure which characterized in that: the Hall circuit board structure comprises the Hall circuit board assembly (01), an armature assembly (02), a Hall mounting bracket (03), a rotor (04), a rubber insulation sheet (05) and a rear end cover (06), wherein the plug-in Hall sensor (013) is tangent to a stator core (022), and the rubber insulation sheet (05) for protecting and isolating the Hall board assembly is arranged between the Hall circuit board assembly (01) and the rear end cover (06).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122919739.0U CN216490125U (en) | 2021-11-25 | 2021-11-25 | Hall circuit board structure and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122919739.0U CN216490125U (en) | 2021-11-25 | 2021-11-25 | Hall circuit board structure and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216490125U true CN216490125U (en) | 2022-05-10 |
Family
ID=81401543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122919739.0U Active CN216490125U (en) | 2021-11-25 | 2021-11-25 | Hall circuit board structure and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216490125U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114726142A (en) * | 2022-06-07 | 2022-07-08 | 苏州赛鼎机电有限公司 | Motor stator assembly for moped effectively reducing axial dimension |
-
2021
- 2021-11-25 CN CN202122919739.0U patent/CN216490125U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114726142A (en) * | 2022-06-07 | 2022-07-08 | 苏州赛鼎机电有限公司 | Motor stator assembly for moped effectively reducing axial dimension |
| CN114726142B (en) * | 2022-06-07 | 2022-08-26 | 苏州赛鼎机电有限公司 | Motor stator assembly for moped effectively reducing axial dimension |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109555891B (en) | Electronic expansion valve | |
| JP5630650B2 (en) | Motor and motor manufacturing method | |
| CN201830125U (en) | Structure of direct-current brushless motor sensing with Hall element | |
| CN216490125U (en) | Hall circuit board structure and motor | |
| KR20100070065A (en) | Connecting structure between spindle motor and printed circuit board | |
| WO2017107315A1 (en) | Plastic package stator of external rotor motor and external rotor motor having same | |
| CN101588089A (en) | Motor | |
| CN101588100A (en) | Motor | |
| CN101071974A (en) | Direct current brushless motor Hall device sensor | |
| CN203445753U (en) | Motor with external paster type Hall | |
| CN110896681A (en) | Stator structure of motor, stator assembly structure and motor | |
| CN217282592U (en) | Hall installing support and motor | |
| CN216312885U (en) | Compact annular Hall installing support and motor | |
| CN204835832U (en) | Motor with circuit board | |
| CN110829736A (en) | Hall installation mechanism | |
| CN216794797U (en) | Permanent magnet brushless direct current motor Hall detection system | |
| CN212163128U (en) | Assembly structure of brushless direct current motor insulation framework and Hall assembly | |
| CN218514248U (en) | Outer rotor permanent magnet motor | |
| CN113315290A (en) | Motor stator insulation framework assembly, motor stator, motor and air conditioner | |
| CN216774394U (en) | Disc type motor | |
| CN112217368A (en) | Double-layer staggered iron-free core linear motor | |
| CN112467953A (en) | Built-in drive integration permanent magnet brushless motor structure | |
| CN1427526A (en) | Motor | |
| CN219322234U (en) | Intelligent high-precision servo motor | |
| CN220087132U (en) | Brushless gearless motor with phase adjusting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |