CN110735869B - Permanent-magnet power-off brake for stabilizing power supply - Google Patents
Permanent-magnet power-off brake for stabilizing power supply Download PDFInfo
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- CN110735869B CN110735869B CN201911000516.5A CN201911000516A CN110735869B CN 110735869 B CN110735869 B CN 110735869B CN 201911000516 A CN201911000516 A CN 201911000516A CN 110735869 B CN110735869 B CN 110735869B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/18—Electric or magnetic
- F16D2121/20—Electric or magnetic using electromagnets
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Abstract
The invention discloses a permanent magnet power-off brake with a stable power supply, which belongs to the field of permanent magnet brakes and comprises a flange, wherein a spring leaf is riveted on the flange, an armature is riveted on the spring leaf, a magnetic yoke inner pole is rotatably connected on the flange, a friction plate is fixedly connected at the position, close to the armature, of the magnetic yoke inner pole, one side, far away from the magnetic yoke inner pole, of the friction plate is fixedly connected with a magnetic yoke outer pole, an annular cavity is formed among the magnetic yoke outer pole, the magnetic yoke inner pole and the friction plate, a coil is fixedly connected at the position, corresponding to the inner part of the annular cavity, of the friction; the coil is fixedly connected with a power line, one end of the power line is fixedly connected with a frequency converter, the frequency converter is connected with a control circuit, and the control circuit comprises a rectifying module, a first filtering module, a voltage stabilizing module, a second filtering module, a power collecting module and a feedback module.
Description
Technical Field
The invention relates to the technical field of permanent magnet brakes, in particular to a permanent magnet power-off brake for stabilizing a power supply.
Background
The permanent magnet brake is a novel adjustable constant torque output device at present. The output shaft and the body are coupled through a magnetic pair, and stable braking torque is provided on the output shaft. The tension can be preset and accurately controlled, the tension is stable and reliable, the structure is simple, the service life is long, and the installation and the adjustment are convenient.
In the prior art, reference can be made to a Chinese patent with an authorized publication number of CN107504103B, which discloses a permanent magnet power-off brake, comprising a detection circuit, a flange, an outer magnetic pole, an inner magnetic pole, a coil, a permanent magnet, an armature, an elastic body and a shaft sleeve; the outer magnetic pole is fixed on the flange through a permanent magnet; the inner magnetic pole is fixed on the flange and is positioned at the radial inner side of the outer magnetic pole and the permanent magnet; a coil is arranged between the outer magnetic pole and the inner magnetic pole; the elastic body is arranged on the shaft sleeve; the armature is sleeved on the elastic body, and the permanent magnet, the outer magnetic pole, the inner magnetic pole and the flange form a magnet system; the armature and the magnet system realize separation and attraction in the energized and deenergized states of the coil; the detection circuit is connected with the outer pole and the flange. The invention also discloses a method for detecting and controlling the permanent magnet power-off brake.
The above prior art solutions have the following drawbacks: when the permanent magnet brake controls the action of the armature through the coil, the magnetic field of the coil and the magnetic field of the permanent magnet must be counteracted, the magnetic force of the coil needs to be kept in an accurate range, otherwise, the armature is attracted by the permanent magnet or cannot be separated, and the permanent magnet brake breaks down.
Disclosure of Invention
The invention aims to provide a permanent magnet power-off brake with a stable power supply, which can ensure the stability of the power supply of the permanent magnet brake, the accurate control of the magnetic force of a coil and the difficulty of the failure of the permanent magnet brake.
The technical purpose of the invention is realized by the following technical scheme:
a permanent magnet power-off brake for stabilizing a power supply comprises a flange, wherein a spring piece is riveted on the flange, an armature is riveted on the spring piece, a magnetic yoke inner pole is rotatably connected on the flange, a friction plate is fixedly connected at the position, close to the armature, of the magnetic yoke inner pole, one side, far away from the magnetic yoke inner pole, of the friction plate is fixedly connected with a magnetic yoke outer pole, an annular cavity is formed among the magnetic yoke outer pole, the magnetic yoke inner pole and the friction plate, a coil is fixedly connected at the position, corresponding to the inner part of the annular cavity, of the friction plate, one end, far away from the friction plate, of the magnetic yoke;
the coil is fixedly connected with a power line, the power line extends out of the outer pole of the magnetic yoke, one end of the power line, which extends out of the outer pole of the magnetic yoke, is fixedly connected with a frequency converter, the frequency converter is connected with a control circuit, and the control circuit comprises a rectifying module, a first filtering module, a voltage stabilizing module, a second filtering module, a power source acquisition module and a feedback module;
the rectification module is externally connected with an alternating current power supply, receives alternating current input from the outside and rectifies the alternating current into direct current for output;
the first filtering module comprises a plurality of unidirectional filtering capacitors connected in parallel, receives the direct current output by the rectifying module and filters the direct current, and outputs the filtered direct current;
the voltage stabilizing module comprises a linear voltage stabilizing chip, receives the direct current output by the first filtering module and performs voltage stabilizing treatment on the direct current, and outputs the stabilized direct current;
the second filtering module comprises a variable frequency filter, the variable frequency filter is electrically connected with the frequency converter, the second filtering module receives the direct current output by the voltage stabilizing module and filters the direct current, and the second filtering module transmits the filtered direct current to the frequency converter;
the power supply acquisition module detects the voltage value and the current value of the direct current output by the frequency converter and outputs the voltage value and the current value;
the feedback module receives the voltage value and the current value output by the power acquisition module and makes a difference between the voltage value and the current value and a preset voltage value and a preset current value, when the difference value is larger than a preset range value, the feedback module sorts and transmits the difference value to the frequency converter, and the frequency converter changes the voltage or the current of the output direct current according to the difference value.
By adopting the scheme, the control circuit receives three-phase power input by a power grid and converts the three-phase power into two-phase power, then performs multi-step sorting and filtering on the two-phase power, finally confirms the voltage value and the current value of direct current through the frequency converter, and corrects the direct current received by the coil through the feedback module, so that the voltage and the current of the direct current received by the coil can be stabilized within a certain value, the working state of the permanent magnet power-off brake can be stabilized, and the fault is not easy to occur.
The invention is further configured to: the flange is close to the bearing fixedly connected with the position of the magnetic yoke inner pole, and the magnetic yoke inner pole is fixedly connected with the outer side of the bearing.
By adopting the scheme, the bearing can enable the inner pole of the magnetic yoke to be flexible when the flange rotates outwards.
The invention is further configured to: one end of the inner pole of the magnetic yoke, which is far away from the armature, is riveted with a transition plate.
By adopting the scheme, the transition plate can protect the inner pole of the magnetic yoke and provide the connection position of the permanent magnet power-off brake and other objects.
The invention is further configured to: the control circuit also comprises a vibration detection module and a display module;
the vibration detection module comprises a vibration sensor fixedly connected to the outside of the flange, and the vibration sensor detects the vibration quantity received by the flange in real time and outputs the vibration quantity;
the display module comprises a display screen, and the display module receives the vibration quantity output by the vibration detection module and displays the vibration quantity through the display screen.
Through adopting above-mentioned scheme, the user can look over the vibration volume of permanent magnetism power-off brake during operation through the display screen, and the research and development personnel of being convenient for improve permanent magnetism power-off brake.
The invention is further configured to: the control circuit further comprises a vibration alarm module, the vibration alarm module receives the vibration quantity output by the vibration detection module and compares the vibration quantity with a preset vibration quantity, when the vibration quantity exceeds the preset vibration quantity, the vibration alarm module transmits an alarm signal to the display module, the display module records the vibration quantity when receiving the alarm signal, and the recorded vibration quantity is highlighted and displayed through the display screen.
By adopting the scheme, when the vibration quantity of the permanent magnet power-off brake exceeds the standard, the display screen can highlight the vibration quantity exceeding the standard, and a reference is provided for research personnel to improve the permanent magnet brake.
The invention is further configured to: the control circuit further comprises a time recording module, and the time recording module records the time at the moment when the vibration alarm module outputs the alarm signal and transmits the time to the display module for displaying.
By adopting the scheme, the display screen can display the time that the vibration quantity of the permanent magnet brake exceeds the standard, and a reference is provided for research personnel to improve the permanent magnet brake.
The invention is further configured to: the control circuit further comprises a temperature detection module, the temperature detection module comprises a temperature sensor fixedly connected with the armature, the temperature sensor detects the temperature of the armature in real time and transmits a temperature value to the display module, and the display module displays the temperature value through a display screen.
Through adopting above-mentioned scheme, the display screen can demonstrate the temperature value of permanent magnet brake, and the user of being convenient for carries out temperature monitoring to permanent magnet brake, prevents that permanent magnet brake is overheated.
The invention is further configured to: the control circuit further comprises a high-temperature alarm module, the high-temperature alarm module receives the temperature value output by the temperature detection module, the high-temperature alarm module compares the temperature value with a preset temperature value, the temperature value is timed when exceeding the preset temperature value, the timing is stopped when the temperature value is lower than the preset temperature value, the high-temperature alarm module transmits a high-temperature alarm signal to the display module after the timing time exceeds the preset time, and the display module displays the high-temperature alarm signal through the display screen after receiving the high-temperature alarm signal.
By adopting the scheme, when the temperature of the permanent magnet brake exceeds the standard, the display screen can display a high-temperature warning to remind a user that the temperature of the permanent magnet brake exceeds the standard.
The invention is further configured to: the outer utmost point of yoke is close to armature position department fixedly connected with interior annular semiconductor, the outer annular semiconductor of fixedly connected with of interior annular semiconductor, and interior annular semiconductor is N type semiconductor, and outer annular semiconductor is P type semiconductor, and the converter is all connected to interior annular semiconductor and outer annular semiconductor.
By adopting the scheme, when the inner annular semiconductor and the outer annular semiconductor are both electrified, the Peltier effect can be generated, and the outer annular semiconductor absorbs heat from the inner annular semiconductor to cool the permanent magnet brake.
The invention is further configured to: the control circuit further comprises a cooling module, the cooling module receives a high-temperature alarm signal output by the high-temperature alarm module, and the cooling module controls the inner annular semiconductor and the outer annular semiconductor to be electrified after receiving the high-temperature alarm signal.
Through adopting above-mentioned scheme, when permanent magnet brake high temperature, annular semiconductor and outer annular semiconductor circular telegram in control circuit can automatic control, for the cooling of permanent magnet brake, prevent that permanent magnet brake high temperature from causing the damage.
In conclusion, the invention has the following beneficial effects:
1. the control circuit receives three-phase power input by a power grid, converts the three-phase power into two-phase power, then carries out multi-step sorting and filtering on the two-phase power, finally confirms the voltage value and the current value of direct current through the frequency converter, and corrects the direct current received by the coil through the feedback module, so that the voltage and the current of the direct current received by the coil can be ensured to be stabilized within a certain value, the working state of the permanent magnet power-off brake can be stabilized, and faults are not easy to occur;
2. when the vibration quantity of the permanent magnet power-off brake exceeds the standard, the display screen can highlight the vibration quantity exceeding the standard and the time when the vibration quantity of the permanent magnet brake exceeds the standard, and a reference is provided for research personnel to improve the permanent magnet brake.
3. When the inner annular semiconductor and the outer annular semiconductor are both electrified, the Peltier effect can be generated, and the outer annular semiconductor absorbs heat from the inner annular semiconductor to cool the permanent magnet brake.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 is a schematic view of a protruding stopper in the embodiment;
FIG. 3 is a sectional view showing an inner structure of a protruding stopper in the embodiment;
FIG. 4 is a block diagram of a highlight control circuit in an embodiment;
FIG. 5 is a schematic circuit diagram highlighting a first filtering module, a voltage stabilization module, and a second filtering module in an embodiment;
FIG. 6 is a block diagram of a temperature detection block section in the highlight control circuit in the embodiment.
In the figure, 1, a flange; 11. a spring plate; 12. an armature; 121. an inner ring-shaped semiconductor; 122. an outer ring-shaped semiconductor; 13. an inner pole of the magnetic yoke; 131. a transition plate; 14. a friction plate; 15. a magnetic yoke outer pole; 151. magnetic steel; 16. an annular cavity; 17. a coil; 18. a power line; 19. a bearing; 2. a frequency converter; 3. a control circuit; 31. a rectification module; 32. a first filtering module; 321. a one-way filter capacitor; 33. a voltage stabilization module; 331. a linear voltage stabilization chip; 34. a second filtering module; 341. a variable frequency filter; 35. a power supply acquisition module; 351. a feedback module; 36. a vibration detection module; 361. a vibration sensor; 362. a vibration alarm module; 37. a display module; 371. a display screen; 38. a time recording module; 39. a temperature detection module; 391. a temperature sensor; 392. a high temperature alarm module; 393. and a cooling module.
Detailed Description
Example (b): a permanent magnet power-off brake for stabilizing a power supply is shown in figure 1 and comprises a frequency converter 2, a display screen 371 and a flange 1.
As shown in fig. 2 and 3, a spring plate 11 is riveted to the flange 1, and an armature 12 is riveted to the spring plate 11. The flange 1 is rotatably connected with a magnetic yoke inner pole 13, the flange 1 is fixedly connected with a bearing 19 at the position close to the magnetic yoke inner pole 13, and the magnetic yoke inner pole 13 is fixedly connected to the outer side of the bearing 19. A friction plate 14 is fixedly connected to the position, close to the armature 12, of the inner pole 13 of the magnetic yoke. A yoke outer pole 15 is fixedly connected to the side of the friction plate 14 away from the yoke inner pole 13. An annular cavity 16 is formed among the yoke outer pole 15, the yoke inner pole 13 and the friction plate 14, and a coil 17 is fixedly connected to the friction plate 14 corresponding to the inner position of the annular cavity 16. The end, far away from the friction plate 14, of the outer magnetic yoke pole 15 is fixedly connected with a magnetic steel 151, and the end, far away from the outer magnetic yoke pole 15, of the magnetic steel 151 is fixedly connected to the inner magnetic yoke pole 13. The magnetic field generated by the energization of the coil 17 and the magnetic field of the magnetic steel 151 are mutually offset, so that the armature 12 loses the magnetic force of the magnetic steel 151 and is pushed onto the friction plate 14 by the spring piece 11, and the armature 12 is contacted with the friction plate 14 to achieve the braking effect.
As shown in fig. 2 and 3, a transition plate 131 is riveted to an end of the yoke inner pole 13 away from the armature 12. The transition plate 131 can protect the inner pole 13 of the magnetic yoke and provide a connection position of the permanent magnet power-off brake and other objects.
As shown in fig. 2 and 3, an inner ring-shaped semiconductor 121 is fixedly connected to the yoke outer pole 15 at a position close to the armature 12, an outer ring-shaped semiconductor 122 is fixedly connected to the outside of the inner ring-shaped semiconductor 121, the inner ring-shaped semiconductor 121 is an N-type semiconductor, the outer ring-shaped semiconductor 122 is a P-type semiconductor, and both the inner ring-shaped semiconductor 121 and the outer ring-shaped semiconductor 122 are connected to the frequency converter 2. When the inner ring-shaped semiconductor 121 and the outer ring-shaped semiconductor 122 are both powered on, the peltier effect is generated, and the outer ring-shaped semiconductor 122 absorbs heat from the inner ring-shaped semiconductor 121 to cool the permanent magnet brake.
As shown in fig. 1 and 3, the coil 17 is fixedly connected with a power line 18, the power line 18 is disposed to extend out of the yoke outer pole 15, and the frequency converter 2 is fixedly connected with one end of the power line 18 extending out of the yoke outer pole 15.
As shown in fig. 4, the frequency converter 2 is connected to a control circuit 3, and the control circuit 3 includes a rectifying module 31, a first filtering module 32, a voltage stabilizing module 33, a second filtering module 34, a power collecting module 35, and a feedback module 351. The rectifying module 31 is externally connected with an alternating current power supply, and the rectifying module 31 receives alternating current input from the outside and rectifies the alternating current into direct current for output.
As shown in fig. 4 and 5, the first filtering module 32 includes a plurality of unidirectional filtering capacitors 321 connected in parallel, the first filtering module 32 receives the dc power output by the rectifying module 31 and filters the dc power, and the first filtering module 32 outputs the filtered dc power. The voltage stabilizing module 33 includes a linear voltage stabilizing chip 331, the voltage stabilizing module 33 receives the dc power output by the first filtering module 32 and stabilizes the dc power, and the voltage stabilizing module 33 outputs the stabilized dc power. The second filtering module 34 includes a frequency conversion filter 341, the frequency conversion filter 341 is electrically connected to the frequency converter 2, the second filtering module 34 receives the dc power output by the voltage stabilizing module 33 and filters the dc power, and the second filtering module 34 transmits the filtered dc power to the frequency converter 2. The control circuit 3 receives three-phase power input by a power grid, converts the three-phase power into two-phase power, and then carries out multi-step sorting and filtering on the two-phase power.
As shown in fig. 4, the power source collecting module 35 detects a voltage value and a current value of the direct current output by the frequency converter 2 and outputs the voltage value and the current value. The feedback module 351 receives the voltage value and the current value output by the power collecting module 35 and subtracts the voltage value and the current value from a preset voltage value and a preset current value. When the difference is greater than the preset range value, feedback is performed, and the feedback module 351 sorts the difference and transmits the sorted difference to the frequency converter 2. The frequency converter 2 changes the voltage or current of the output direct current according to the difference. The control circuit 3 confirms the voltage value and the current value of the direct current through the frequency converter 2, and then corrects the direct current received by the coil 17 through the feedback module 351, so that the voltage and the current of the direct current received by the coil 17 can be ensured to be stabilized within a certain value.
As shown in fig. 6, the control circuit 3 further includes a vibration detection module 36, a vibration alarm module 362, a time recording module 38, a temperature detection module 39, a high temperature alarm module 392, a temperature reduction module 393, and a display module 37. The vibration detection module 36 includes a vibration sensor 361 (see fig. 2) fixedly connected to the outside of the flange 1, and the vibration sensor 361 detects the amount of vibration received by the flange 1 in real time and outputs the amount of vibration. The display module 37 receives the vibration amount output from the vibration detection module 36 and displays the vibration amount through the display screen 371. The user can look over the vibration volume of permanent magnetism power-off brake during operation through display screen 371, and the research and development personnel of being convenient for improves permanent magnetism power-off brake.
As shown in fig. 6, the vibration alarming module 362 receives the vibration amount output from the vibration detecting module 36 and compares the vibration amount with a preset vibration amount. When the vibration amount exceeds the preset vibration amount, the vibration alarm module 362 transmits an alarm signal to the display module 37. The display module 37 records the vibration amount when the alarm signal is received, and highlights and displays the recorded vibration amount through the display screen 371. When the vibration quantity of the permanent magnet power-off brake exceeds the standard, the display screen 371 highlights the vibration quantity exceeding the standard.
As shown in fig. 6, the time recording module 38 records the time at that time when the vibration alarm module 362 outputs the alarm signal and transmits the time to the display module 37 for display. The display screen 371 displays the time when the vibration level of the permanent magnet brake exceeds the standard.
As shown in fig. 6, the temperature sensing module 39 includes a temperature sensor 391 (see fig. 2) fixedly attached to the outside of the armature 12. The temperature sensor 391 may be a PT1000 type sensor. The temperature sensor 391 detects the temperature of the armature 12 in real time and transmits the temperature value to the display module 37, and the display module 37 displays the temperature value through the display screen 371. Display screen 371 can demonstrate the temperature value of permanent magnet brake, and the user of being convenient for carries out temperature monitoring to permanent magnet brake, prevents that permanent magnet brake is overheated.
As shown in fig. 6, the high temperature alarm module 392 receives the temperature value output by the temperature detection module 39, and the high temperature alarm module 392 compares the temperature value with a preset temperature value. And timing when the temperature value exceeds the preset temperature value, and stopping timing when the temperature value is lower than the preset temperature value. When the timing duration exceeds the preset time, the high temperature alarm module 392 transmits a high temperature alarm signal to the display module 37. The display module 37 receives the high temperature alarm signal and displays the high temperature alarm signal through the display screen 371. When the temperature of the permanent magnet brake exceeds the standard, the display screen 371 can display a high temperature warning to remind a user that the temperature of the permanent magnet brake exceeds the standard.
As shown in fig. 6, the cooling module 393 receives the high-temperature alarm signal output by the high-temperature alarm module 392, and controls the inner annular semiconductor 121 and the outer annular semiconductor 122 to be powered after the cooling module 393 receives the high-temperature alarm signal. When the temperature of the permanent magnet brake is too high, the control circuit 3 can automatically control the energization of the inner annular semiconductor 121 and the outer annular semiconductor 122, so that the temperature of the permanent magnet brake is reduced, and the damage caused by the too high temperature of the permanent magnet brake is prevented.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. The utility model provides a permanent magnetism of stable power loses electric brake which characterized in that: the magnetic steel type magnetic field generating device comprises a flange (1), a spring piece (11) is riveted on the flange (1), an armature (12) is riveted on the spring piece (11), a magnetic yoke inner pole (13) is connected on the flange (1) in a rotating mode, a friction plate (14) is fixedly connected to the position, close to the armature (12), of the magnetic yoke inner pole (13), one side, far away from the magnetic yoke inner pole (13), of the friction plate (14) is fixedly connected with a magnetic yoke outer pole (15), an annular cavity (16) is formed among the magnetic yoke outer pole (15), the magnetic yoke inner pole (13) and the friction plate (14), a coil (17) is fixedly connected to the position, corresponding to the annular cavity (16), of the friction plate (14), one end, far away from the friction plate (14), of the magnetic yoke outer pole (15) is fixedly connected with a magnetic steel (151);
the coil (17) is fixedly connected with a power line (18), the power line (18) extends out of the magnetic yoke outer pole (15), one end of the power line (18) extending out of the magnetic yoke outer pole (15) is fixedly connected with a frequency converter (2), the frequency converter (2) is connected with a control circuit (3), and the control circuit (3) comprises a rectifying module (31), a first filtering module (32), a voltage stabilizing module (33), a second filtering module (34), a power acquisition module (35) and a feedback module (351);
the rectifying module (31) is externally connected with an alternating current power supply, and the rectifying module (31) receives alternating current input from the outside and rectifies the alternating current into direct current for output;
the first filtering module (32) comprises a plurality of unidirectional filtering capacitors (321) connected in parallel, the first filtering module (32) receives the direct current output by the rectifying module (31) and filters the direct current, and the first filtering module (32) outputs the filtered direct current;
the voltage stabilizing module (33) comprises a linear voltage stabilizing chip (331), the voltage stabilizing module (33) receives the direct current output by the first filtering module (32) and performs voltage stabilizing treatment on the direct current, and the voltage stabilizing module (33) outputs the direct current after voltage stabilizing;
the second filtering module (34) comprises a variable frequency filter (341), the variable frequency filter (341) is electrically connected with the frequency converter (2), the second filtering module (34) receives the direct current output by the voltage stabilizing module (33) and filters the direct current, and the second filtering module (34) transmits the filtered direct current to the frequency converter (2);
the power supply acquisition module (35) detects the voltage value and the current value of the direct current output by the frequency converter (2) and outputs the voltage value and the current value;
the feedback module (351) receives the voltage value and the current value output by the power acquisition module (35) and makes a difference between the voltage value and the current value and a preset voltage value and a preset current value, when the difference value is larger than a preset range value, the feedback module (351) sorts and transmits the difference value to the frequency converter (2), and the frequency converter (2) changes the voltage or the current of the output direct current according to the difference value;
the control circuit also comprises a vibration detection module and a display module; the vibration detection module comprises a vibration sensor fixedly connected to the outside of the flange, and the vibration sensor detects the vibration quantity received by the flange in real time and outputs the vibration quantity; the display module comprises a display screen, and the display module receives the vibration quantity output by the vibration detection module and displays the vibration quantity through the display screen.
2. The power-stabilized permanent magnet power-loss brake of claim 1, characterized in that: the flange (1) is close to the position of the magnetic yoke inner pole (13) and is fixedly connected with a bearing (19), and the magnetic yoke inner pole (13) is fixedly connected to the outer side of the bearing (19).
3. The power-stabilized permanent magnet power-loss brake of claim 1, characterized in that: one end of the inner pole (13) of the magnetic yoke, which is far away from the armature (12), is riveted with a transition plate (131).
4. The power-stabilized permanent magnet power-loss brake of claim 1, characterized in that: control circuit (3) still include vibration alarm module (362), vibration alarm module (362) receive the vibration volume of vibration detection module (36) output and compare vibration volume and predetermined vibration volume, and when vibration volume exceeded predetermined vibration volume, vibration alarm module (362) transmitted alarm signal to display module (37), and display module (37) record the vibration volume when receiving alarm signal to carry out high light processing and show through display screen (371) with the vibration volume of record.
5. The power-stabilized permanent magnet power-loss brake of claim 4, wherein: the control circuit (3) further comprises a time recording module (38), and the time recording module (38) records the current time when the vibration alarm module (362) outputs the alarm signal and transmits the time to the display module (37) for displaying.
6. The power-stabilized permanent magnet power-loss brake of claim 1, characterized in that: control circuit (3) still includes temperature detection module (39), temperature detection module (39) include fixedly connected with armature (12) outer temperature sensor (391), and temperature sensor (391) detect the temperature of armature (12) in real time and to display module (37) transmission temperature value, and display module (37) passes through display screen (371) and shows the temperature value.
7. The power-stabilized permanent magnet power-loss brake of claim 6, wherein: control circuit (3) still includes high temperature alarm module (392), high temperature alarm module (392) receives the temperature value of temperature detection module (39) output, high temperature alarm module (392) compares the temperature value with preset temperature value, time when the temperature value exceedes preset temperature value, when the temperature value is less than the time of stopping timing behind the preset temperature value, when the time duration of timing surpass the time of presetting after, high temperature alarm module (392) transmits high temperature alarm signal to display module (37), display module (37) receive behind the high temperature alarm signal through display screen (371) demonstration high temperature alarm signal.
8. The power-stabilized permanent magnet electric-loss brake as recited in claim 7, wherein: the position, close to the armature (12), of the magnetic yoke outer pole (15) is fixedly connected with an inner annular semiconductor (121), the outer annular semiconductor (122) of the inner annular semiconductor (121) is fixedly connected with the outer annular semiconductor, the inner annular semiconductor (121) is an N-type semiconductor, the outer annular semiconductor (122) is a P-type semiconductor, and the inner annular semiconductor (121) and the outer annular semiconductor (122) are both connected with the frequency converter (2).
9. The power-stabilized permanent magnet electric-loss brake as recited in claim 8, wherein: the control circuit (3) further comprises a cooling module (393), the cooling module (393) receives a high-temperature alarm signal output by the high-temperature alarm module (392), and the inner annular semiconductor (121) and the outer annular semiconductor (122) are controlled to be powered on after the cooling module (393) receives the high-temperature alarm signal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911000516.5A CN110735869B (en) | 2019-10-21 | 2019-10-21 | Permanent-magnet power-off brake for stabilizing power supply |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911000516.5A CN110735869B (en) | 2019-10-21 | 2019-10-21 | Permanent-magnet power-off brake for stabilizing power supply |
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| CN110735869B true CN110735869B (en) | 2021-01-08 |
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| CN208503313U (en) * | 2018-07-11 | 2019-02-15 | 深圳三火科技有限公司 | A kind of electricity loss brake |
| CN109611469A (en) * | 2019-01-23 | 2019-04-12 | 山东中车风电有限公司 | Electro-magnetic braking device, system and braking method |
| CN110002308A (en) * | 2019-04-02 | 2019-07-12 | 冯光辉 | The method of real-time monitoring elevator brake stopping power |
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| CN204883446U (en) * | 2015-07-15 | 2015-12-16 | 成都阜特科技股份有限公司 | Permanent magnetism AC motor's inside dehydrating unit |
| CN205559652U (en) * | 2016-03-31 | 2016-09-07 | 山东正凯机械科技有限公司 | Semiconductor refrigeration formula car brake disc device |
| CN107215740A (en) * | 2017-07-24 | 2017-09-29 | 苏州通润驱动设备股份有限公司 | The control circuit and its method of a kind of safety protection apparatus for elevator |
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| CN109611469A (en) * | 2019-01-23 | 2019-04-12 | 山东中车风电有限公司 | Electro-magnetic braking device, system and braking method |
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Denomination of invention: Permanent magnet power loss brake with stable power supply Effective date of registration: 20220718 Granted publication date: 20210108 Pledgee: Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Huandong sub branch Pledgor: ZHUJI XUNJIE CLUTCH Co.,Ltd. Registration number: Y2022980010660 |