Driver controller with reverse electricity prevention function
By introducing an anti-reverse current device and modular design into the driver controller, the reverse current problem caused by misoperation was solved, resulting in a driver controller with simple structure, stable performance, low failure rate, and long service life, thus avoiding the locomotive traction motor fire accident.
Patent Information
- Application Number
- CN202520131294.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing driver controllers are prone to reverse current due to misoperation during locomotive operation, leading to traction motor arcing accidents. They also suffer from complex structure, unreliable performance, high failure rate, and short service life.
A driver controller with anti-reverse current function was designed, including a reversing handle assembly and a speed control handle assembly. It adopts an anti-reverse current device and a modular structure. The anti-reverse current device avoids misoperation by locking the handle and a reset spring. Combined with limit wheels and gear transmission, it ensures reliable operation. The control panel uses a cold light sheet to provide nighttime illumination.
It effectively prevents misoperation during reversal, avoids locomotive traction motor arcing accidents, and improves the controller's structural simplicity, performance stability, failure rate, and service life.
Smart Images
Figure CN223590715U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a driver controller, in particular to a driver controller with reverse current prevention function. BACKGROUND
[0002] The driver controller is the control equipment of the railway locomotive, motor train unit and industrial automation, and is the main order electric appliance for locomotive reversing and speed adjusting. It is a kind of hand-operated electric appliance used by the driver to control the locomotive, which is mainly used to control the reversing of the locomotive and the speed adjustment of the diesel engine, and then control the running direction, power, traction and speed of the locomotive. At present, the driver controller used on the domestic electric power and diesel locomotive of railway has the following problems: if the driver operates out of position or makes a mistake when the locomotive is running, the gear of the reversing handle of the driver controller will change, which will cause the ring fire of the traction motor of the locomotive, burn the traction motor and cause huge economic loss. Moreover, the existing driver controller has the defects of complex structure, unstable and unreliable performance, high failure rate and short service life. SUMMARY
[0003] The utility model aims at overcoming the defects of prior art, and provides a driver controller with reverse current prevention function, which has simple structure, stable and reliable performance, low failure rate and long service life.
[0004] To achieve the above-mentioned purpose, the utility model adopts a driver controller with reverse current prevention function, which comprises a mechanism frame, a control panel, a reversing handle assembly and a speed adjusting handle assembly. The reversing handle assembly comprises a reversing shaft rotatably arranged in the mechanism frame, a reversing handle arranged on the reversing shaft, a plurality of reversing cams arranged on the reversing shaft in linkage, a plurality of micro switches arranged on the mechanism frame and matched with the plurality of reversing cams, and a reversing limiting wheel arranged on the reversing shaft in linkage. The reversing handle is internally provided with a reverse current prevention device. The reverse current prevention device comprises a locking handle rotatably arranged in the reversing handle, and a return compression spring arranged between the reversing handle and the locking handle. The reversing handle is provided with a locking groove matched with the locking handle. One end of the locking handle is provided with a locking block extending in the locking groove. The locking block is clamped in the locking groove, and forms a limiting cooperation between the locking block and the reversing handle. The other end of the locking handle is provided with an unlocking knob extending outside the reversing handle.
[0005] The beneficial effect of the above structure is that the reverse electricity prevention device is arranged in the reversing handle, the reverse electricity prevention device can avoid misoperation of the reversing handle, the unlocking operation is simple and practical, and when the locomotive speed is not returned to 0 during operation of the locomotive, the driver controller reversing handle is operated, overtravel or misoperation of the driver controller reversing handle occurs, the gear of the driver controller reversing handle is reversed, and the ring fire accident of the locomotive traction motor can be effectively avoided.
[0006] In particular, the locking groove is arranged with a positioning rotating shaft, the middle part of the locking handle is arranged with a positioning hole, the positioning rotating shaft is inserted into the positioning hole, and the locking handle and the positioning rotating shaft are rotationally connected and matched. The locking handle is rotationally arranged on the positioning rotating shaft in the locking groove, so that the locking handle can reliably act in the locking groove, and the working reliability of the driver controller is improved.
[0007] In particular, the mechanism frame is arranged with a limiting elastic sheet matched with the reversing limiting wheel, one end of the limiting elastic sheet is rotationally arranged with a limiting roller matched with the reversing limiting wheel, the reversing limiting wheel is respectively arranged with a plurality of arc-shaped limiting grooves matched with the limiting roller, and the limiting roller reciprocally switches in the plurality of arc-shaped limiting grooves when the reversing shaft rotates. The limiting roller plays a positioning role on the reversing limiting wheel, so that the speed regulating handle assembly can reliably act, and the working reliability of the driver controller is improved.
[0008] In particular, the speed regulating handle assembly comprises a speed regulating shaft rotationally arranged in the mechanism frame, a speed regulating handle arranged on the speed regulating shaft, a bevel gear rotationally arranged on the speed regulating shaft, a speed regulating cam shaft rotationally arranged in the mechanism frame, a plurality of speed regulating cams respectively arranged on the speed regulating cam shaft, a speed regulating micro switch arranged on the mechanism frame and matched with the plurality of speed regulating cams, a gear rotationally arranged on the speed regulating cam shaft and matched with the bevel gear, the speed regulating shaft is rotationally arranged with a limiting wheel, the mechanism frame is arranged with a speed regulating limiting elastic sheet matched with the limiting wheel, the speed regulating limiting elastic sheet is arranged with a speed regulating roller matched with the limiting wheel, and the limiting wheel is arranged with an arc-shaped positioning groove matched with the speed regulating roller. The speed regulating handle assembly adopts a modular structure design, so that modular assembly of the driver controller can be realized, the speed regulating handle adopts a gear transmission structure design, transmission is more reliable, the speed regulating roller plays a positioning role on the limiting wheel, so that the speed regulating handle assembly can reliably act, and the working reliability of the driver controller is improved.
[0009] Particularly, the control panel is provided with a recess corresponding to the reversing handle, and a cold light sheet and a reversing indicator are sequentially arranged in the recess. BRIEF DESCRIPTION OF DRAWINGS
[0010] Fig. 1 It is a perspective view of the embodiment of the utility model.
[0011] Fig. 2 It is an exploded view of the embodiment of the utility model. DETAILED DESCRIPTION
[0012] As Figs. 1-2The utility model discloses a driver controller with reverse electricity prevention function, including mechanism frame 10, control panel 11, reversing handle subassembly 20, speed regulating handle subassembly 30, reversing handle subassembly 20 including rotation setting in mechanism frame 10's reversing shaft 21, setting on reversing shaft 21's reversing handle 22, linkage setting on reversing shaft 21's multiple reversing cam 23, setting on mechanism frame 10 and with multiple reversing cam 23 cooperation's multiple microswitch 24, linkage setting on reversing shaft 21's reversing limit wheel 25, reversing handle 22 be provided with reverse electricity prevention device 40 in, reverse electricity prevention device 40 include rotation setting in reversing handle 22's locking handle 41, setting between reversing handle 22 and locking handle 41's reset compression spring 42, reversing handle 22 on be provided with with locking handle 41 cooperation's locking groove 221, locking handle 41 one end has the locking block 411 of extension in locking groove 221, locking block 411 is engaged in locking groove 221, and constitutes locking block 411 with reversing handle 22's limit cooperation, locking handle 41 other end has the unlocking knob 412 of extension in reversing handle 22 outside. Locking groove 221 be provided with positioning pivot 222 in, locking handle 41 middle part be provided with positioning hole 413, positioning pivot 222 is inserted in positioning hole 413, and constitute locking handle 41 with positioning pivot 222's rotation connection cooperation. Locking handle rotation setting is in the positioning pivot of locking groove, thereby can guarantee that locking handle can reliably act in locking groove, is favorable to improve the working reliability of this driver controller. Mechanism frame 10 be provided with with reversing limit wheel 25 cooperation's limit spring piece 26, limit spring piece 26 one end rotation setting has with reversing limit wheel 25 cooperation's limit roller 261, reversing limit wheel 25 be provided with multiple arc limit slot 251 with limit roller 261 cooperation respectively on, reversing shaft 21 rotation, limit roller 261 in multiple arc limit slot 251 reciprocating switching. Limit roller plays the positioning effect to reversing limit wheel, thereby can guarantee that speed regulating handle subassembly can reliably act, is favorable to improve the working reliability of this driver controller.
[0013] As Fig. 2As shown, the speed regulating handle assembly 30 comprises a speed regulating shaft 31 rotatably arranged in the mechanism frame 10, a speed regulating handle 32 arranged on the speed regulating shaft 31, a bevel gear 33 arranged in linkage with the speed regulating shaft 31, a speed regulating cam shaft 34 rotatably arranged in the mechanism frame 10, a plurality of speed regulating cams 35 arranged on the speed regulating cam shaft 34 respectively, a speed regulating micro switch 36 arranged on the mechanism frame 10 and matched with the plurality of speed regulating cams 35, a gear 37 arranged in linkage with the speed regulating cam shaft 35 and matched with the bevel gear 33, the speed regulating shaft 31 is arranged in linkage with a limiting wheel 38, the mechanism frame 10 is arranged with a speed regulating limiting spring 39 matched with the limiting wheel 38, the speed regulating limiting spring 39 is arranged with a speed regulating roller 391 matched with the limiting wheel 38, and the limiting wheel 38 is arranged with an arc-shaped positioning groove 381 matched with the speed regulating roller 391. The speed regulating handle assembly adopts a modular structure design, so that the modular assembly of the driver controller can be realized, and the speed regulating handle adopts a gear transmission structure design, the transmission is more reliable, and the speed regulating roller plays a positioning role on the limiting wheel, so that the speed regulating handle assembly can reliably act, which is beneficial to improve the working reliability of the driver controller. The control panel 11 is arranged with a recess 111 corresponding to the reversing handle 22, and the recess 111 is sequentially arranged with a cold light sheet 12 and a reversing indicator 13. The cold light sheet is arranged below the reversing indicator for night lighting. The cold light sheet is adopted, the light is uniform and soft, the service life is long, the appearance is more beautiful, and the failure points are reduced, and the failure rate is reduced.
[0014] The reversing handle is arranged with an anti-reverse electricity device, which can avoid misoperation of the reversing handle, and the unlocking operation is simple and practical. When the locomotive speed is not returned to 0 during operation, the driver operates the reversing handle of the driver controller, and the gear of the reversing handle of the driver controller is reversed, which can effectively avoid the ring fire accident of the locomotive traction motor. Therefore, the driver controller has the advantages of simple structure, stable and reliable performance, low failure rate, long service life and anti-reverse electricity function.
Claims
1. A driver controller with anti-reverse current function, comprising a frame, a control panel, a reversing handle assembly, and a speed control handle assembly, characterized in that: The reversing handle assembly includes a reversing shaft rotatably mounted within a mechanism frame, a reversing handle mounted on the reversing shaft, multiple reversing cams linked to the reversing shaft, multiple microswitches mounted on the mechanism frame and cooperating with the multiple reversing cams, and a reversing limit wheel linked to the reversing shaft. The reversing handle is equipped with an anti-reverse current device, which includes a locking handle rotatably mounted within the reversing handle and a reset spring positioned between the reversing handle and the locking handle. The reversing handle has a locking groove that cooperates with the locking handle. One end of the locking handle has a locking block extending into the locking groove, which engages with the locking groove and forms a limiting fit between the locking block and the reversing handle. The other end of the locking handle has an unlocking toggle extending outside the reversing handle.
2. The driver controller with anti-reverse current function according to claim 1, characterized in that: The locking groove is provided with a positioning shaft, and the locking handle is provided with a positioning hole in the middle. The positioning shaft is inserted into the positioning hole, and the locking handle and the positioning shaft are rotated together.
3. The driver controller with anti-reverse current function according to claim 1 or 2, characterized in that: The mechanism frame is provided with a limiting spring that cooperates with the reversing limiting wheel. One end of the limiting spring is rotatably provided with a limiting roller that cooperates with the reversing limiting wheel. The reversing limiting wheel is provided with a plurality of arc-shaped limiting grooves that cooperate with the limiting rollers. When the reversing shaft rotates, the limiting rollers reciprocate within the plurality of arc-shaped limiting grooves.
4. The driver controller with anti-reverse current function according to claim 1 or 2, characterized in that: The speed control handle assembly includes a speed control shaft rotatably mounted within a frame, a speed control handle mounted on the speed control shaft, a bevel gear linked to the speed control shaft, a speed control camshaft rotatably mounted within the frame, multiple speed control cams mounted on the speed control camshaft, a speed control micro switch mounted on the frame and cooperating with the multiple speed control cams, and a gear linked to the speed control camshaft and cooperating with the bevel gear. The speed control shaft is linked to a limit wheel, the frame is provided with a speed control limit spring that cooperates with the limit wheel, the limit spring is provided with a speed control roller that cooperates with the limit wheel, and the limit wheel is provided with an arc-shaped positioning groove that cooperates with the speed control roller.
5. The driver controller with anti-reverse current function according to claim 1 or 2, characterized in that: The control panel has a groove corresponding to the reversing handle, and a light-emitting sheet and a reversing indicator are arranged sequentially in the groove.