CN209844866U - Circuit breaker electric chassis vehicle system and electric automobile - Google Patents
Circuit breaker electric chassis vehicle system and electric automobile Download PDFInfo
- Publication number
- CN209844866U CN209844866U CN201920361568.4U CN201920361568U CN209844866U CN 209844866 U CN209844866 U CN 209844866U CN 201920361568 U CN201920361568 U CN 201920361568U CN 209844866 U CN209844866 U CN 209844866U
- Authority
- CN
- China
- Prior art keywords
- terminal
- motor
- button
- circuit breaker
- limit switch
- 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.)
- Expired - Fee Related
Links
- 101710179734 6,7-dimethyl-8-ribityllumazine synthase 2 Proteins 0.000 claims abstract description 8
- 101710186609 Lipoyl synthase 2 Proteins 0.000 claims abstract description 8
- 101710122908 Lipoyl synthase 2, chloroplastic Proteins 0.000 claims abstract description 8
- 101710101072 Lipoyl synthase 2, mitochondrial Proteins 0.000 claims abstract description 8
- 101710179738 6,7-dimethyl-8-ribityllumazine synthase 1 Proteins 0.000 claims abstract description 4
- 101710186608 Lipoyl synthase 1 Proteins 0.000 claims abstract description 4
- 101710137584 Lipoyl synthase 1, chloroplastic Proteins 0.000 claims abstract description 4
- 101710090391 Lipoyl synthase 1, mitochondrial Proteins 0.000 claims abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000010892 electric spark Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The utility model discloses a circuit breaker electric chassis car system and electric automobile, the system includes: a motor control circuit and a DC brushless driver; the direct-current brushless driver comprises a first terminal V +, a second terminal Ve, a third terminal V-, a motor running terminal EN and a motor steering terminal DR; the motor control circuit comprises a first button T1, a second button T2, a position switch S1, a first limit switch LS1 and a second limit switch LS 2; the first terminal V +, the second terminal Ve and the third terminal V-are respectively connected with the slide rheostat R1; first ends of the first button T1 and the second button T2 are respectively connected with a motor running terminal EN; a second end of the first button T1 is connected with a first end of the position switch S1; a second terminal of the second button T2 is connected to a second terminal of the position switch S1; the third end of the position switch S1 is connected with the first end of the first limit switch LS 1; the second end of the first limit switch LS1 is connected with the first end of the second limit switch LS 2; a second end of the second limit switch LS2 is connected to the motor steering terminal DR. The safety and the reliability of the circuit breaker are improved.
Description
Technical Field
The utility model relates to an electric motor car technical field especially relates to a circuit breaker electric chassis car system and electric automobile.
Background
At present, most of motors used by electric chassis of the vacuum circuit breaker are direct current brush motors. The direct current brush motor is easy to drive and control, but needs a carbon brush and a phase change sheet in structure, is worn after long-term use, needs regular maintenance and is heavy in maintenance work; because the direct current brush motor has large starting current in the starting process, strong electromagnetic interference can be caused; in high-speed rotation, electric sparks are generated in the reversing process of the carbon brush, potential safety hazards are generated on the whole circuit breaker, the carbon brush is easy to break, and the maintenance cost is high; in addition, strong electromagnetic fields are generated by electric sparks during commutation, and interference is caused on control and communication of a secondary loop. The direct current brush motor has a mechanical commutator, so that the rotation speed of the direct current brush motor is limited. Therefore, in the circuit breaker, the application of the dc brush motor not only needs to pay attention to the application situation, but also brings about complicated maintenance work.
SUMMERY OF THE UTILITY MODEL
The utility model provides a circuit breaker electric chassis car system and electric automobile can eliminate the interference of commutation device to circuit breaker secondary circuit, has improved circuit breaker operational safety and reliability, and simple structure, low in cost.
The embodiment of the utility model provides a circuit breaker electric chassis car system, include: a motor control circuit, a DC brushless driver; the direct current brushless driver comprises a first terminal V +, a second terminal Ve, a third terminal V-, a motor running terminal EN and a motor steering terminal DR, and the motor control circuit comprises a first button T1, a second button T2, a position switch S1, a first limit switch LS1 and a second limit switch LS 2; wherein,
the first terminal V + is connected to a first end of the sliding varistor R1; the second end of the sliding varistor R1 is connected to the second terminal Ve, and the third end of the sliding varistor R1 is connected to the third terminal V-; a first end of the first button T1 is connected with a motor running terminal EN; a second end of the first button T1 is connected with a first end of a position switch S1; a first end of the second button T2 is connected with a motor running terminal EN; a second terminal of the second button T2 is connected with a second terminal of the position switch S1; the third terminal of the position switch S1 is connected with the first terminal of the first limit switch LS 1; a second terminal of the first limit switch LS1 is connected with a first terminal of the second limit switch LS 2; a second end of the second limit switch LS2 is connected to the motor steering terminal DR.
Preferably, the DC brushless driver is ZM-6405E.
Preferably, the first button T1 is a shake-out button; the second button T2 is a shake-in button; the first limit switch LS1 is a closing locking switch, and the second limit switch LS2 is a ground knife locking switch.
Preferably, the brushless direct current driver further comprises a motor body, wherein the motor body comprises a Hall position sensor, and the Hall position sensor is used for acquiring a position signal of a motor rotor and sending the position signal to the brushless direct current driver.
Preferably, the dc brushless driver further comprises a controller and an inverter; and the controller generates pwm waveform for controlling the inverter according to the position signal of the motor rotor acquired by the Hall sensor so as to control the on-off of the inverter.
Preferably, the motor further comprises a direct current power supply, and the direct current power supply is used for supplying power to the motor body through the motor phase line.
The embodiment of the utility model provides an electric automobile is still provided, include as above-mentioned circuit breaker electric chassis car system.
Implement the embodiment of the utility model provides a, following beneficial effect has:
1. the brushless direct current motor has the advantages that no mechanical commutation device exists, the on-off of armature current and the rotation direction of an armature magnetic field are controlled through the switch of a power element, the output torque is adjusted by changing the input voltage or the duty ratio of an input inverter, the interference of the commutation device on a secondary circuit of the circuit breaker is eliminated, and the operation safety and the reliability of the circuit breaker are improved.
2. Simple structure and low cost.
Drawings
Fig. 1 is a schematic structural diagram of a circuit breaker electric chassis vehicle system according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a motor control circuit provided in an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model discloses a first embodiment:
referring to fig. 1 and fig. 2, the structure schematic diagram of the electric chassis car system of circuit breaker that the embodiment of the present invention provides, fig. 2 is the circuit schematic diagram of the motor control circuit that the embodiment of the present invention provides, include:
a motor control circuit 2 and a direct current brushless driver 1; the brushless DC driver 1 comprises a first terminal V +, a second terminal Ve, a third terminal V-, a motor running terminal EN and a motor steering terminal DR, and the motor control circuit comprises a first button T1, a second button T2, a position switch S1, a first limit switch LS1 and a second limit switch LS 2; wherein,
the first terminal V + is connected to a first end of the sliding varistor R1; the second end of the sliding varistor R1 is connected to the second terminal Ve, and the third end of the sliding varistor R1 is connected to the third terminal V-; a first end of the first button T1 is connected with a motor running terminal EN; a second end of the first button T1 is connected with a first end of a position switch S1; a first end of the second button T2 is connected with a motor running terminal EN; a second terminal of the second button T2 is connected with a second terminal of the position switch S1; the third terminal of the position switch S1 is connected with the first terminal of the first limit switch LS 1; a second terminal of the first limit switch LS1 is connected with a first terminal of the second limit switch LS 2; a second end of the second limit switch LS2 is connected to the motor steering terminal DR.
In this embodiment, the dc brushless driver is ZM-6405E, but it should be noted that, in other embodiments, the type of the dc brushless driver is defined according to actual conditions, and the present invention is not limited thereto.
In this embodiment, the dc brushless driver 1 further includes a controller and an inverter; and the controller generates pwm waveform for controlling the inverter according to the position signal of the motor rotor acquired by the Hall sensor so as to control the on-off of the inverter. Wherein, the dc-to-ac converter is three-phase bridge type dc-to-ac converter, through the break-make of MOS pipe on the control bridge arm, gives three-phase armature winding circular telegram according to certain law, drives electric motor rotor and rotates, of course, it is to explain that the utility model discloses in other embodiments, the dc-to-ac converter also can be the dc-to-ac converter of other models, here, the utility model discloses do not specifically prescribe.
In this embodiment, the circuit breaker electric chassis vehicle system further includes a motor body 4, the motor body 4 includes a hall position sensor, the hall position sensor is used for collecting a position signal of a motor rotor, and sends the position signal to the dc brushless driver 1.
In this embodiment, the electric chassis vehicle system with the circuit breaker further comprises a direct current power supply 3, wherein the direct current power supply 3 is used for supplying power to the motor body 4 through the motor phase line.
The direct current power supply DC1 supplies power to the whole system, the direct current becomes a three-phase power supply for the brushless direct current motor through the inverter, and the three-phase power supply is supplied to the motor body 4 through a motor phase line terminal; with Hall position sensors in the motor body M forAnd the position signal is transmitted to the driver, the brushless direct current driver 1 controls the on-off of the inverter, and the Hall power supply supplies power to a Hall position sensor in the motor. Specifically, a first end of the motor body 4 is connected with a W terminal of a motor phase line; the second end of the motor body 4 is connected with a V terminal of a phase line of the motor; the third end of the motor body 4 is connected with a U terminal of a phase line of the motor; the fourth end of the motor body 4 and the H of the Hall signalWConnecting; the fifth end of the motor body 4 and the H of the Hall signalVConnecting; the sixth end of the motor body 4 and the H of the Hall signalUConnecting; the seventh end of the motor body 4 and the H of the Hall power supply+Connecting; the seventh end of the motor body 4 and the H of the Hall power supply-And (4) connecting.
In this embodiment, the first button T1 is a shake-out button; the second button T2 is a shake-in button; the first limit switch LS1 is a closing locking switch, and the second limit switch LS2 is a ground knife locking switch. In particular, the first terminal V + and the third terminal V-are connected as a control circuit power supply. The third terminal Ve and the sliding resistor R1 form a voltage regulator. When the motor running terminal EN is connected, the motor starts to rotate, and the rotating direction is determined by the motor steering terminal DR. When the motor steering terminal DR is switched on, the motor rotates forwards, and the chassis vehicle is rocked to a working position; when the motor steering terminal DR is disconnected, the motor rotates reversely, and the circuit breaker runs to the test position from the working position. When the chassis is at the test position and the circuit breaker is at the closing and opening ground switch, the first limit switch LS1 is at position 1, and the first limit switch LS1 and the second limit switch LS2 are in the closed state. When the second button T2 is pressed, the second button T2 and the second button T2' are simultaneously switched on, the motor rotates forwards, and the chassis moves from the shaking-in position to the working position. When the operating position is reached, the position switch S1 is changed from position 1 to position 2 in preparation for chassis shake out. When the circuit breaker is in a working position and is switched off, and the grounding knife is not switched on, the first button T1 is pressed, the motor operation terminal EN is switched on, the motor steering terminal DR is switched off, the motor rotates reversely, the chassis vehicle is driven to run to a test position from the working position, and the shaking-out action is completed. When the circuit breaker is in a closed state or a ground switch closed state, the first limit switch LS1 or the second limit switch LS2 is in an open state, and the EN cannot be conducted, that is, the motor does not rotate. Therefore, the faults caused by arc discharge or electrified grounding knife switching caused by the operation of the chassis vehicle in the switching-on state are avoided. The brushless direct current motor is applied to a control circuit of a circuit breaker electric chassis vehicle. The chassis vehicle can be controlled to shake in and out, and meanwhile, the chassis vehicle has closing locking and grounding knife locking, and the requirements of a circuit breaker on a power system of the chassis vehicle are met.
In summary, the brushless DC motor has the advantages of no mechanical commutation device, the switch of the power element is used for controlling the on-off of the armature current and the rotation direction of the armature magnetic field, and the input voltage or the duty ratio of the input inverter is changed for adjusting the output torque, so that the interference of the commutation device on the secondary circuit of the circuit breaker is eliminated, the operation safety and reliability of the circuit breaker are improved, the structure is simple, and the manufacturing cost is low.
The embodiment of the utility model provides an electric automobile is still provided, include as above embodiment circuit breaker electric chassis car system.
Although the present invention has been disclosed in the preferred embodiments, it is not intended to limit the present invention, and any person skilled in the art can use the above-mentioned method and technical contents to make possible changes and modifications to the technical solution of the present invention without departing from the spirit and scope of the present invention, therefore, any simple modification, equivalent changes and modifications made to the above embodiments by the technical substance of the present invention all belong to the protection scope of the technical solution of the present invention. The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.
Claims (7)
1. A circuit breaker electric chassis system, comprising: a motor control circuit, a DC brushless driver; the direct current brushless driver comprises a first terminal V +, a second terminal Ve, a third terminal V-, a motor running terminal EN and a motor steering terminal DR, and the motor control circuit comprises a first button T1, a second button T2, a position switch S1, a slide rheostat R1, a first limit switch LS1 and a second limit switch LS 2; wherein,
the first terminal V + is connected to a first end of the sliding varistor R1; the second end of the sliding varistor R1 is connected to the second terminal Ve, and the third end of the sliding varistor R1 is connected to the third terminal V-; a first end of the first button T1 is connected with a motor running terminal EN; a second end of the first button T1 is connected with a first end of a position switch S1; a first end of the second button T2 is connected with a motor running terminal EN; a second terminal of the second button T2 is connected with a second terminal of the position switch S1; the third terminal of the position switch S1 is connected with the first terminal of the first limit switch LS 1; a second terminal of the first limit switch LS1 is connected with a first terminal of the second limit switch LS 2; a second end of the second limit switch LS2 is connected to the motor steering terminal DR.
2. The circuit breaker electric chassis system of claim 1, wherein the dc brushless drive is ZM-6405E.
3. The circuit breaker electric chassis system of claim 1, wherein the first button T1 is a swing-out button; the second button T2 is a shake-in button; the first limit switch LS1 is a closing locking switch, and the second limit switch LS2 is a ground knife locking switch.
4. The circuit breaker electric chassis system of claim 1, further comprising a motor body including a hall position sensor for collecting a position signal of a motor rotor and sending the position signal to the dc brushless driver.
5. The circuit breaker electric chassis system of claim 4, wherein the DC brushless drive further comprises a controller and an inverter; and the controller generates pwm waveform for controlling the inverter according to the position signal of the motor rotor acquired by the Hall position sensor so as to control the on-off of the inverter.
6. The circuit breaker electric chassis system of claim 4, further comprising a DC power source for powering the motor body via a motor phase line.
7. An electric vehicle comprising a circuit breaker electric chassis system according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920361568.4U CN209844866U (en) | 2019-03-21 | 2019-03-21 | Circuit breaker electric chassis vehicle system and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920361568.4U CN209844866U (en) | 2019-03-21 | 2019-03-21 | Circuit breaker electric chassis vehicle system and electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209844866U true CN209844866U (en) | 2019-12-24 |
Family
ID=68907350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920361568.4U Expired - Fee Related CN209844866U (en) | 2019-03-21 | 2019-03-21 | Circuit breaker electric chassis vehicle system and electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209844866U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109936314A (en) * | 2019-03-21 | 2019-06-25 | 厦门理工学院 | A kind of electronic chassis system of breaker and electric car |
-
2019
- 2019-03-21 CN CN201920361568.4U patent/CN209844866U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109936314A (en) * | 2019-03-21 | 2019-06-25 | 厦门理工学院 | A kind of electronic chassis system of breaker and electric car |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101656503B (en) | Drive method of brushless electric bike controller | |
| EP1168593A3 (en) | Mechanical power outputting apparatus and inverter | |
| JP2004015892A (en) | Inverter controlling device and electric vehicle | |
| CN209844866U (en) | Circuit breaker electric chassis vehicle system and electric automobile | |
| JP5979924B2 (en) | Wiper device | |
| CN100421348C (en) | Motor driving device | |
| CN109936314A (en) | A kind of electronic chassis system of breaker and electric car | |
| JP5406429B2 (en) | Drive control device | |
| US20230283220A1 (en) | Power tool and control method therefor | |
| CN111512537B (en) | Rotary electric machine device | |
| JP3763291B2 (en) | Control method for driving device of hybrid vehicle | |
| CN102780429B (en) | AC drive motors | |
| CN102368676B (en) | Variable-speed constant-voltage direct-current brushless generator | |
| CN218570123U (en) | Controller of direct-current brushless electric grease machine | |
| CN214993423U (en) | Sanitation sweeping control system and sanitation vehicle | |
| CN110994927A (en) | Double-excitation double-control self-excitation constant-voltage permanent magnet power frequency brushless synchronous generator | |
| CN104410335A (en) | Control circuit and control method of intelligent small-power motor controller | |
| CN202686293U (en) | Electric windshield wiper of electric locomotive | |
| CN219999221U (en) | Bridge type driving circuit and vehicle | |
| US12081152B2 (en) | Transient current management of electric machine in an electrified vehicle | |
| US20240146227A1 (en) | Transient current management of electric machine in an electrified vehicle | |
| CN217347467U (en) | Drive device | |
| CN112640295B (en) | Motor drive control device for vehicle and control method for motor drive control device for vehicle | |
| CN208028798U (en) | brushless direct current motor drive circuit and system | |
| KR101000121B1 (en) | A pwm method for controlling bldc motors and a system thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |