CN105845510A - Electromagnetic switch - Google Patents
Electromagnetic switch Download PDFInfo
- Publication number
- CN105845510A CN105845510A CN201610369084.5A CN201610369084A CN105845510A CN 105845510 A CN105845510 A CN 105845510A CN 201610369084 A CN201610369084 A CN 201610369084A CN 105845510 A CN105845510 A CN 105845510A
- Authority
- CN
- China
- Prior art keywords
- iron core
- shell
- level
- stage
- order
- 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.)
- Pending
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 42
- 230000003068 static effect Effects 0.000 claims abstract description 22
- 229920001342 Bakelite® Polymers 0.000 claims description 3
- 239000004637 bakelite Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000003111 delayed effect Effects 0.000 abstract 1
- 238000003801 milling Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention relates to an electromagnetic switch. The electromagnetic switch comprises a switch cover assembly and a shell assembly; one end of the switch cover assembly is equipped with a binding screw, and the other end of the switch cover assembly is connected with the shell assembly through a riveting piece or a fastener; the switch cover assembly is connected with a control system; the shell assembly comprises a first-stage shell and a second-stage shell which are connected with each other through a fixed bolt; the first-stage shell is internally provided with a first-stage moving iron core, a first-stage coil assembly and a first-stage static iron core; a moving iron core reset spring is arranged between the first-stage moving iron core and the first-stage static iron core; the second-stage shell is internally provided with a second-stage moving iron core, a second-stage coil assembly and a second-stage static iron core; a cross-shaped guide bar penetrates through the middle part of the second-stage static iron core; and one end of the guide bar is contacted with the second-stage moving iron core, and the other end of the guide bar is orderly sleeve-jointed with a contact spring and a moving contact, and the end face of the other end is contacted with a moving contact reset spring which is arranged in a groove of a switch cover. According to the electromagnetic switch provided by the invention, through delayed connection, the problems of apical gear and gear milling when starting can be solved fundamentally.
Description
Technical field
The present invention relates to Mechanical & Electrical Transmission technical field, particularly to a kind of electromagnetic switch.
Background technology
Electromagnetic switch, as the term suggests being exactly with the switch of magnet control, namely electromagnet and the combination of switch.When producing electromagnetic attraction after electromagnet coil power, movable core pushes and pulls switch contact Guan Bi, thus connects institute's control circuit.Electromagnetic switch is widely used in every profession and trade.In Mechanical & Electrical Transmission technical field, if starter gear does not engages with engine flywheel, then can produce the problem such as apical tooth, mill teeth.
Summary of the invention
It is an object of the invention to the defect overcoming prior art to exist, it is provided that one utilizes mechanical action to combine with electronic high and new technology, solve the electromagnetic switch starting apical tooth problem with mill teeth problem.
The technical scheme realizing the object of the invention is: a kind of electromagnetic switch, has switch cover assembly and cage assembly；One end of described switch cover assembly is provided with terminal screw, and the other end passes through riveted or securing member connected with outer casing assembly；Connect on described switch cover assembly and have control system；Described cage assembly includes by fixing bolted first order shell and second level shell；It is provided with the first order in described first order shell and moves iron core, first order coil block and first order static iron core；The described first order is moved and is provided with dynamic iron core return-spring between iron core and first order static iron core；It is provided with the second level in the shell of the described second level and moves iron core, second level coil block and second level static iron core；It is installed with in the middle of the static iron core of the described second level and leads " ten " font guide rod；Described guide rod is moved iron core with the second level and is contacted, and the other end is socketed with touch spring and moving contact successively, and the end face of the other end contacts with the moving contact back-moving spring being placed in switch cover upper groove.
First order coil block described in technique scheme and second level coil block include the bobbin winder bracket arranged along shell axis of correspondence and the coil being wound on bobbin winder bracket respectively.
Described in technique scheme, the cross section of first order static iron core is stepped, and fixing is stuck between first order coil block and the demarcation strip between first order shell and second level shell；The cross section of described second level static iron core is "convex" shaped, and fixing is stuck between second level coil block and the bakelite part between switch cover assembly and second level shell.
Control system described in technique scheme includes DC-DC reduction voltage circuit, ignition switch SW, electronic chip MCU, photoelectrical coupler U2 and U3, starting motor stem valve and starts motor supply relay；The power input of the output termination electronic chip MCU of described DC-DC reduction voltage circuit；The two ends of described ignition switch SW are connected on the input of electronic chip MCU；Two terminals of described electronic chip MCU are connected to start motor stem valve and start motor supply relay by photoelectrical coupler U2 and U3 respectively.
Indicator lamp D1 it is connected on the output of electronic chip MCU described in technique scheme.
Using after technique scheme, the present invention has a following positive effect:
(1) present invention is two-stage type working electromagnet switch, first order coil is utilized to be got by shift fork, complete the mechanical action that gear engages with flywheel, then second level coil (0.3～0.5s) in the case of the timing of electronic chip is connected, complete the connection of main contacts, flywheel driven High Rotation Speed, fundamentally solves apical tooth when starting and mill teeth problem.
Accompanying drawing explanation
Being clearly understood to make present disclosure be easier to, below according to specific embodiment and combine accompanying drawing, the present invention is further detailed explanation, wherein
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the circuit diagram of the control system of the present invention；
Detailed description of the invention
(embodiment 1)
See that Fig. 1, the present invention have switch cover assembly 5 and cage assembly；One end of switch cover assembly 5 is provided with terminal screw 1, and the other end passes through riveted or securing member connected with outer casing assembly；Connect on switch cover assembly 5 and have control system 4；Cage assembly includes first order shell 14 and the second level shell 10 connected by fixing bolt 11；It is provided with the first order in first order shell 14 and moves iron core 15, first order coil block 13 and first order static iron core 12；The first order is moved and is provided with dynamic iron core return-spring 16 between iron core 15 and first order static iron core 12；It is provided with the second level in second level shell 10 and moves iron core 9, second level coil block 8 and second level static iron core 7；It is installed with in the middle of second level static iron core 7 and leads " ten " font guide rod 6；Guide rod 6 one end is moved iron core 9 and is contacted with the second level, and the other end is socketed with touch spring 17 and moving contact 3 successively, and the end face of the other end contacts with moving contact 3 back-moving spring 2 being placed in switch cover upper groove.
First order coil block 13 and second level coil block 8 include the bobbin winder bracket arranged along shell axis of correspondence and the coil being wound on bobbin winder bracket respectively.
The cross section of first order static iron core 12 is stepped, and fixing is stuck between first order coil block 13 and the demarcation strip between first order shell 14 and second level shell 10；The cross section of second level static iron core 7 is "convex" shaped, and fixing is stuck between second level coil block 8 and the bakelite part between switch cover assembly 5 and second level shell 10.
See that Fig. 2, control system 4 include DC-DC reduction voltage circuit 18, ignition switch SW, electronic chip MCU, photoelectrical coupler U2 and U3, starting motor stem valve D4 and start motor supply relay D5；The power input of the output termination electronic chip MCU of DC-DC reduction voltage circuit 18；The two ends of ignition switch SW are connected on the input of electronic chip MCU；Two terminals of electronic chip MCU are connected to start motor stem valve D4 and start motor supply relay D5 by photoelectrical coupler U2 and U3 respectively.The two ends starting motor stem valve D4 are parallel with inductance L1, and the two ends of inductance L1 are connected to photoelectrical coupler U2 by after Q1 and diode D2 respectively；The two ends starting motor supply relay D5 are parallel with inductance L2, and the two ends of inductance L2 are connected to photoelectrical coupler U3 by after Q2 and diode D3 respectively.The output of electronic chip MCU is by ground connection after resistance R1 and indicator lamp D1.When starting the engine, starting motor stem valve D4 is opened immediately when MCU receives high level, after opening starting motor stem valve D4,0.3～0.5s (starting electricity according to difference to adjust) opens starting motor supply relay D5, now starts motor and starts to start.
The operation principle of the present invention is: the present invention is two-stage type working electromagnet switch, first order coil is utilized to be got by shift fork, complete the mechanical action that gear engages with flywheel, then second level coil (0.3～0.5s) in the case of the timing of electronic chip MCU is connected, complete the connection of main contacts, flywheel driven High Rotation Speed, fundamentally solves apical tooth when starting and mill teeth problem.
Particular embodiments described above; the purpose of the present invention, technical scheme and beneficial effect are further described; it is it should be understood that; the foregoing is only the specific embodiment of the present invention; it is not limited to the present invention; all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, should be included within the scope of the present invention.
Claims (5)
1. an electromagnetic switch, has switch cover assembly (5) and cage assembly；Described switch cover is total
The one end becoming (5) is provided with terminal screw (1), and the other end is total by riveted or securing member connected with outer casing
Become；It is characterized in that: the upper connection of described switch cover assembly (5) has control system (4)；Described shell
Assembly includes first order shell (14) and the second level shell (10) connected by fixing bolt (11)；
It is provided with the first order in described first order shell (14) and moves iron core (15), first order coil block (13)
With first order static iron core (12)；The described first order move iron core (15) and first order static iron core (12) it
Between be provided with dynamic iron core return-spring (16)；It is provided with the second level in described second level shell (10) and moves iron core
(9), second level coil block (8) and second level static iron core (7)；Described second level static iron core (7)
Centre is installed with leads " ten " font guide rod (6)；Iron core (9) is moved in described guide rod (6) one end and the second level
Contact, the other end is socketed with touch spring (17) and moving contact (3), and the end face of the other end successively
Contact with moving contact (3) back-moving spring (2) being placed in switch cover upper groove.
Electromagnetic switch the most according to claim 1, it is characterised in that: described first order coil groups
Part (13) and second level coil block (8) include the coiling arranged along shell axis of correspondence respectively
Frame and the coil being wound on bobbin winder bracket.
Electromagnetic switch the most according to claim 2, it is characterised in that: described first order static iron core
(12) cross section is stepped, and fixing be stuck in first order coil block (13) and be positioned at first
Between demarcation strip between level shell (14) and second level shell (10)；Described second level static iron core
(7) cross section is "convex" shaped, and fixing be stuck in second level coil block (8) and be positioned at out
Close between the bakelite part between cap assembly (5) and second level shell (10).
Electromagnetic switch the most according to claim 3, it is characterised in that: described control system (4)
Including DC-DC reduction voltage circuit (18), ignition switch SW, electronic chip MCU, photoelectrical coupler U2
With U3, starting motor stem valve D4 and starting motor supply relay D5；Described DC-DC is depressured electricity
The power input of the output termination electronic chip MCU on road (18)；The two ends of described ignition switch SW
It is connected on the input of electronic chip MCU；Two terminals of described electronic chip MCU lead to respectively
Cross photoelectrical coupler U2 and U3 to be connected to start motor stem valve D4 and start motor supply relay D5.
Electromagnetic switch the most according to claim 4, it is characterised in that: described electronic chip MCU
Output on be connected to indicator lamp D1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610369084.5A CN105845510A (en) | 2016-05-30 | 2016-05-30 | Electromagnetic switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610369084.5A CN105845510A (en) | 2016-05-30 | 2016-05-30 | Electromagnetic switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105845510A true CN105845510A (en) | 2016-08-10 |
Family
ID=56595005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610369084.5A Pending CN105845510A (en) | 2016-05-30 | 2016-05-30 | Electromagnetic switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105845510A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637555A (en) * | 2011-02-10 | 2012-08-15 | 株式会社电装 | Electromagnetic switch device |
| CN102751143A (en) * | 2012-07-16 | 2012-10-24 | 苏州工业园区和顺电气股份有限公司 | Control circuit for relay |
| DE102012207739B3 (en) * | 2012-05-09 | 2013-10-31 | Robert Bosch Gmbh | Switching relay has contact bridge and bridging switch that are formed in change-over contact to occupy intermediate position in which switch and bridge are closed during switchover of retracted position into holding position |
| CN105023806A (en) * | 2014-04-17 | 2015-11-04 | 三菱电机株式会社 | Electromagnetic switch apparatus for starter |
| CN205789747U (en) * | 2016-05-30 | 2016-12-07 | 常州市松泽电器有限公司 | Electromagnetic switch |
-
2016
- 2016-05-30 CN CN201610369084.5A patent/CN105845510A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637555A (en) * | 2011-02-10 | 2012-08-15 | 株式会社电装 | Electromagnetic switch device |
| DE102012207739B3 (en) * | 2012-05-09 | 2013-10-31 | Robert Bosch Gmbh | Switching relay has contact bridge and bridging switch that are formed in change-over contact to occupy intermediate position in which switch and bridge are closed during switchover of retracted position into holding position |
| CN102751143A (en) * | 2012-07-16 | 2012-10-24 | 苏州工业园区和顺电气股份有限公司 | Control circuit for relay |
| CN105023806A (en) * | 2014-04-17 | 2015-11-04 | 三菱电机株式会社 | Electromagnetic switch apparatus for starter |
| CN205789747U (en) * | 2016-05-30 | 2016-12-07 | 常州市松泽电器有限公司 | Electromagnetic switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160810 |