CN210517956U - Protection device of direct current brushless motor without Hall sensor - Google Patents
Protection device of direct current brushless motor without Hall sensor Download PDFInfo
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- CN210517956U CN210517956U CN201922085797.0U CN201922085797U CN210517956U CN 210517956 U CN210517956 U CN 210517956U CN 201922085797 U CN201922085797 U CN 201922085797U CN 210517956 U CN210517956 U CN 210517956U
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- shell
- motor
- brushless
- inner shell
- direct current
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- 239000000428 dust Substances 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims 1
- 230000032683 aging Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000630 rising effect Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Abstract
The utility model discloses a no hall sensor's brushless DC motor's protection device belongs to brushless DC motor field, including shell and inner shell, shell and inner shell between set up to the cavity, be equipped with into oil pipe on the shell, the inside brushless DC motor body that is equipped with of inner shell, the inner shell internalization is equipped with the multiunit clamp plate, the clamp plate inner wall is equipped with clamp bolt, clamp bolt passes the shell, the inner shell sets up, the clamp plate outer wall is equipped with the protection pad, be equipped with air vent and wire connecting pipe on shell and the inner shell, the inner shell inner wall is equipped with temperature sensor, install the alarm on the shell, be equipped with the dust catcher on the shell, be equipped. The utility model discloses in time take away the heat that long-time during operation produced, avoid the sudden rising of temperature to influence the ageing of component, improve the life of device, avoid the damage of direct current brushless motor bodies such as collision, avoid the contact failure of influence components such as dust, improve effect and safety that direct current brushless motor body used, facilitate the use.
Description
Technical Field
The utility model relates to a brushless DC motor field specifically is a brushless DC motor's of no hall sensor protection device.
Background
The brushless direct current motor is composed of a motor main body and a driver, and is a typical electromechanical integration product. A brushless motor refers to a motor without a brush and a commutator or a slip ring, and is also called a commutator-less motor. The brushless DC motor has the advantages of the traditional DC motor, and simultaneously, the structures of a carbon brush and a slip ring are cancelled; the device can run at low speed and high power, and can save a speed reducer to directly drive a large load; small volume, light weight and large output force; the torque characteristic is excellent, the medium and low speed torque performance is good, the starting torque is large, and the starting current is small; stepless speed regulation, wide speed regulation range and strong overload capacity; the soft start and soft stop have good braking characteristics, and the original mechanical braking or electromagnetic braking device can be saved; the efficiency is high, the motor has no excitation loss and carbon brush loss, the multi-stage speed reduction loss is eliminated, and the comprehensive power saving rate is high. The reliability is high, the stability is good, the adaptability is strong, and the maintenance is simple; the vibration and the jolt are resisted, the noise is low, the vibration is small, the operation is smooth, and the service life is long; does not generate sparks, is particularly suitable for explosive places and has explosion-proof type. The direct current brushless motor without the Hall sensor has stable operation and reliable starting, the volume of the motor cannot be increased during installation, signal transmission lines and the like of the sensor are not arranged, the interference on the motor cannot be caused, and the installation and the like cannot influence the operation performance of the motor.
The existing direct current brushless motor can generate a large amount of heat when working for a long time, elements of the motor are easy to age, the use safety of the motor work is influenced, and meanwhile, external dust and the like easily cause poor contact of the motor elements and influence the normal operation of the motor.
SUMMERY OF THE UTILITY MODEL
To the problem that has now, an object of the utility model is to provide a no hall sensor's brushless DC motor's protection device to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a no hall sensor's brushless DC motor's protection device, which comprises an outer shell and an inner shell, shell and inner shell between set up to the cavity, be equipped with into oil pipe on the shell, the inside brushless DC motor body that is equipped with of inner shell, the inner shell internalization is equipped with the multiunit clamp plate, the brushless DC motor body sets up between the multiunit clamp plate, clamp plate inner wall is equipped with clamp bolt, clamp bolt passes the shell, the inner shell sets up, the clamp plate outer wall is equipped with the protection pad, be equipped with air vent and wire connecting pipe on shell and the inner shell, the embedded protection ring that is equipped with of shell and inner shell, the output shaft of brushless DC motor body inserts and sets up in the protection ring, the inner shell inner wall is equipped with temperature sensor.
As a further aspect of the present invention: and a sealing cover is arranged on the oil inlet pipe.
As a further aspect of the present invention: and through holes are formed in the pressing plate and the protective pad.
As a further aspect of the present invention: and a plurality of groups of filter screens are arranged in the vent holes.
As a further aspect of the present invention: the inlet end of the dust suction pipe is arranged inside the inner shell.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model can facilitate the addition of cooling oil into the cavity of the net through the oil inlet pipe, is beneficial to taking away heat generated by the DC brushless motor inside the device in time when working for a long time, avoids sudden rise of temperature, avoids influencing the aging of elements, prolongs the service life of the device, the inner shell and the outer shell are beneficial to protecting the work of the DC brushless motor body, avoids the damage of the DC brushless motor body such as collision and the like, protects the safe work of the DC brushless motor body, adjusts the distance between the pressing plates by rotating the pressing bolts, leads the plurality of groups of pressing plates to tightly press the DC brushless motor body, ensures the stability of the motor, avoids the reciprocating sliding of the pressing plates from influencing the safety of the work of the motor, can reduce the error between the size of the motor and the size of the device, is beneficial to ensuring the stability of the motor, reduces the damage of the outside to the motor, the connection between the brushless DC motor body and an external power supply is facilitated, the work of the motor is facilitated, and the use is facilitated. The air vent does benefit to gaseous flow, makes things convenient for the inside timely heat dissipation of device, avoids the too high safety that influences the work of component of its temperature, and when temperature sensor measured the inside temperature of device and exceeded the rated value and constantly lasted rising, the alarm sounded and sent the warning, reminds workman's maintenance and maintenance that comes before, does benefit to the safety of guaranteeing the work of direct current brushless motor body. Regularly open the dust catcher, inhale away the inside dust of device through dust catcher and dust absorption pipe, avoid dust etc. to glue and paste on the motor, influence the contact failure of component, influence the security of the work of motor, improve the effect and the safety of direct current brushless motor body use, facilitate the use.
Drawings
Fig. 1 is a schematic structural diagram of a protection device of a brushless dc motor without hall sensors.
Fig. 2 is a schematic structural diagram of a pressure plate in the protection device of the brushless dc motor without the hall sensor.
Fig. 3 is a schematic structural diagram of a vent hole in a protection device of a brushless dc motor without a hall sensor.
In the figure: 1. the device comprises an outer shell, 2, an inner shell, 3, a cavity, 4, an oil inlet pipe, 5, a pressing plate, 6, a pressing bolt, 7, a protection pad, 8, a direct current brushless motor body, 9, an air vent, 10, a wire connecting pipe, 11, a protection ring, 12, a filter screen, 13, a through hole, 14, a temperature sensor, 15, an alarm, 16, a dust collector, 17 and a dust collection pipe.
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 work belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected" and "connected" are to be interpreted broadly, for example, as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows: referring to fig. 1-3, a protection device for a brushless dc motor without a hall sensor comprises an outer shell 1 and an inner shell, wherein a cavity 3 is arranged between the outer shell 1 and the inner shell, an oil inlet pipe 4 is arranged on the outer shell 1, a sealing cover is arranged on the oil inlet pipe 4, and cooling oil is added into the cavity 3 through the oil inlet pipe 4, so that heat generated by the brushless dc motor inside the device during long-time operation can be taken away in time, sudden rise of temperature is avoided, aging of elements is prevented from being influenced, the service life of the device is prolonged, and the device is convenient to use.
The inside brushless DC motor body 8 that is equipped with of inner shell 2, inner shell 2 and shell 1 do benefit to the work of protection brushless DC motor body 8, avoid the damage of brushless DC motor body 8 such as collision, and the safety of the work of protection brushless DC motor body 8 goes on, facilitates the use.
The activity is equipped with multiunit clamp plate 5 in the inner shell 2, DC brushless motor body 8 sets up between multiunit clamp plate 5, 5 inner walls of clamp plate are equipped with clamp bolt 6, clamp bolt 6 passes shell 1, inner shell 2 sets up, 5 outer walls of clamp plate are equipped with protection pad 7, adjust the distance between the clamp plate 5 through rotatory clamp bolt 6, make multiunit clamp plate 5 tightly push down DC brushless motor body 8, guarantee the stability of motor, avoid it to make a round trip to slide the security that influences its work, can reduce the error between motor size and the device size simultaneously, do benefit to the stability of guaranteeing the motor, reduce the outside damage to the motor, improve the result of use and the efficiency of motor, and convenient to use.
Be equipped with air vent 9 and wire connecting pipe 10 on shell 1 and the inner shell 2, wire connecting pipe 10 makes things convenient for the wiring, does benefit to the connection of direct current brushless motor body 8 and external power source, makes things convenient for the work of motor, does benefit to the use. The vent holes 9 are beneficial to the flowing of gas, so that the inside of the device can be conveniently and timely cooled, the working safety of elements is prevented from being influenced by too high temperature, and the use is convenient.
The embedded protection ring 11 that is equipped with of shell 1 and inner shell 2, the output shaft of direct current brushless motor body 8 inserts and sets up in protection ring 11, does benefit to the work of guaranteeing direct current brushless motor body 8, facilitates the use.
The inner wall of the inner shell 2 is provided with a temperature sensor 14, an alarm 15 is arranged on the outer shell 1, when the temperature sensor 14 measures that the temperature inside the device exceeds a rated value and continuously rises, the alarm 15 sounds to give an alarm to remind workers of coming maintenance and maintenance, and the safety of the work of the direct current brushless motor body 8 is guaranteed.
Be equipped with dust catcher 16 on shell 1, be equipped with dust absorption pipe 17 on dust catcher 16, dust absorption pipe 17 entry end sets up inside inner shell 2, regularly opens dust catcher 16, siphons away the dust of device inside through dust catcher 16 and dust absorption pipe 17, avoids dust etc. to glue and glues on the motor, influences the contact failure of component, influences the security of the work of motor, improves the effect and the safety of 8 uses of direct current brushless motor body, facilitates the use.
Example two: all be equipped with through-hole 13 on pressing plate 5 and the protection pad 7 on the basis of embodiment one, through-hole 13 makes things convenient for the flow on the gas, does benefit to the heat dissipation, makes things convenient for thermal transmission, does benefit to the cooling oil absorption heat in cavity 3, avoids the rising of its temperature to arouse easily that work element's is ageing, improves the life of device, facilitates the use.
The inside multiunit filter screen 12 that is equipped with of air vent 9, filter screen 12 avoid entering devices such as outside dust to arouse potential safety hazards such as contact failure, improve the result of use and the security of device, facilitate the use.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A protection device of a direct current brushless motor without a Hall sensor comprises an outer shell (1) and an inner shell, and is characterized in that a cavity (3) is arranged between the outer shell (1) and the inner shell, an oil inlet pipe (4) is arranged on the outer shell (1), a direct current brushless motor body (8) is arranged inside the inner shell (2), a plurality of groups of pressing plates (5) are movably arranged in the inner shell (2), the direct current brushless motor body (8) is arranged between the pressing plates (5), pressing bolts (6) are arranged on the inner wall of each pressing plate (5), the pressing bolts (6) penetrate through the outer shell (1) and the inner shell (2), a protection pad (7) is arranged on the outer wall of each pressing plate (5), vent holes (9) and wire connecting pipes (10) are arranged on the outer shell (1) and the inner shell (2), a protection ring (11) is embedded in the outer shell (1) and the inner shell (2), an output shaft of the direct current, the inner wall of the inner shell (2) is provided with a temperature sensor (14), the outer shell (1) is provided with an alarm (15), the outer shell (1) is provided with a dust collector (16), and the dust collector (16) is provided with a dust collection pipe (17).
2. The protection device of the brushless dc motor without hall sensor according to claim 1, wherein the oil inlet pipe (4) is provided with a sealing cover.
3. Protection device for a brushless dc motor without hall sensor according to claim 2, characterized in that the pressure plate (5) and the protection pad (7) are provided with through holes (13).
4. Protection device for brushless dc motor without hall sensor according to claim 3 characterized in that inside the ventilation hole (9) there are several sets of sieves (12).
5. Protection device for brushless dc motor without hall sensor according to any of claims 1-4 characterized in that the inlet end of the suction pipe (17) is arranged inside the inner casing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922085797.0U CN210517956U (en) | 2019-11-28 | 2019-11-28 | Protection device of direct current brushless motor without Hall sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922085797.0U CN210517956U (en) | 2019-11-28 | 2019-11-28 | Protection device of direct current brushless motor without Hall sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210517956U true CN210517956U (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922085797.0U Expired - Fee Related CN210517956U (en) | 2019-11-28 | 2019-11-28 | Protection device of direct current brushless motor without Hall sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210517956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111835122A (en) * | 2020-08-26 | 2020-10-27 | 茅台学院 | High-efficient radiating servo motor protective housing for spacecraft |
-
2019
- 2019-11-28 CN CN201922085797.0U patent/CN210517956U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111835122A (en) * | 2020-08-26 | 2020-10-27 | 茅台学院 | High-efficient radiating servo motor protective housing for spacecraft |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200512 |