CN208508751U - A kind of immersion permanent-magnet brushless DC electric machine device that power can be provided under high pressure - Google Patents
A kind of immersion permanent-magnet brushless DC electric machine device that power can be provided under high pressure Download PDFInfo
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- CN208508751U CN208508751U CN201820695046.3U CN201820695046U CN208508751U CN 208508751 U CN208508751 U CN 208508751U CN 201820695046 U CN201820695046 U CN 201820695046U CN 208508751 U CN208508751 U CN 208508751U
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- pressure
- magnet brushless
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- 238000007654 immersion Methods 0.000 title description 7
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000004804 winding Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 abstract description 28
- 238000005259 measurement Methods 0.000 abstract description 13
- 238000011161 development Methods 0.000 abstract description 2
- 238000000691 measurement method Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 14
- 239000003921 oil Substances 0.000 description 10
- 238000013461 design Methods 0.000 description 5
- 238000011160 research Methods 0.000 description 4
- 230000010354 integration Effects 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 241001522296 Erithacus rubecula Species 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
本实用新型公开了一种可在高压条件下提供动力的浸没式永磁无刷直流电机装置，包括整体耐压外壳、永磁无刷直流电机动力机构和受迫旋转执行机构；该动力装置是基于永磁无刷直流电机的原理，对其进行了高压耐受性的改装和优化，在实际运用中可配合以旋转圆筒的液体粘度测量方法，一体化装配形成一套全封闭的高压液体粘度测量装置。本实用新型的动力装置可实现直流电机在高压液体中平稳启动和运转，通过连轴结构可以带动旋转测量筒工作进行粘度的测量，能够有效地解决液体粘度测量中的密封问题，提高液体在高压条件下粘度测量的可靠性和便捷性。此外该耐压永磁直流无刷电机还可以应用于其他特种场合，为深海条件下海洋工程装备的研制与使用提供支持。
The utility model discloses a submerged permanent magnet brushless direct current motor device capable of providing power under high voltage conditions, comprising an integral pressure-resistant casing, a permanent magnet brushless direct current motor power mechanism and a forced rotation actuator; the power device is a Based on the principle of the permanent magnet brushless DC motor, the high-voltage tolerance is modified and optimized. In practical application, it can be combined with the liquid viscosity measurement method of the rotating cylinder to form a set of fully enclosed high-voltage liquid. Viscosity measuring device. The power device of the utility model can realize the smooth start and operation of the DC motor in the high-pressure liquid, and can drive the rotating measuring cylinder to work to measure the viscosity through the connecting shaft structure, which can effectively solve the sealing problem in the liquid viscosity measurement, and improve the liquid's high-pressure operation. Reliability and convenience of viscosity measurement under conditions. In addition, the voltage-resistant permanent magnet brushless DC motor can also be used in other special occasions to provide support for the development and use of marine engineering equipment under deep sea conditions.
Description
Technical field
The utility model relates to a kind of permanent-magnet brushless DC electric machine devices more particularly to one kind to provide under high pressure
The immersion permanent-magnet brushless DC electric machine device of power, the device are the immersions with pressure-resistant interlayer between stator and rotor
Permanent-magnet brushless DC electric machine power device, the device can realize power output of the shaft under liquid high pressure air-proof condition, in conjunction with
The accurate measurement of High Voltage liquid viscosity may be implemented in rotary process, is particularly suitable for the branch of deep-sea ocean engineering hydraulic equipment research
Hold device.
Background technique
Important attribute one of of the viscosity as liquid is an important factor for influencing liquid condition and characteristic.It is accurate to obtain liquid
The viscosity number of body is very beneficial for carrying out the research in the fields such as material science and engineer equipment.Wherein, people are in deep-sea ocean
Using hydraulic system as common power device in engineer equipment, and viscosity characteristics of the hydraulic oil under deep-sea high-pressure environment will be right
Complete equipment operation generates very big influence.Existing universal viscosity measurement mechanism is based on rotary process, falling ball method, tubule method etc.
Principle can be realized liquid viscosity and more accurately measure, but universal viscosity measuring instrument does not have tolerance condition of high voltage still
Under ability that liquid viscosity is measured, lead to not provide support for the research of deep-sea engineering hydraulic equipment in this way, also without
Method meets the needs of other carry out scientific Journal of Sex Research to highly pressurised liquid viscosity number.In addition, also having exclusively for condition of high voltage design
Viscosimeter, but such device mostly uses the external structure design for providing power, thus can be related to it is more serious move it is close
Envelope problem causes complex structural designs, technology difficulty increase and measurement effect bad.Currently, can still be integrated without a set of
Power and measurement structure carry out the totally-enclosed liquid viscosity measuring meter of high pressure of integrated design.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a set of can stablize in condition of high voltage and export
The DC electric machine of power.The device can not be measured under high pressure or high pressure for current liquid viscosity measuring meter
Under the conditions of the power of a set of completely new machine liquid integrated whole-closed highly pressurised liquid viscosimeter that there are problems that leakproofness, and propose
Mechanism.The device innovation formula installed interlayer additional between direct current generator internal stator and rotor, can be used for integrated design and
Using the liquid viscosity measuring mechanism of eddy-canister viscometer and the power mechanism of built-in permanent-magnet brushless DC electric machine, thus guaranteeing
Motor power under submerged conditions stablizes output, so that high pressure viscosity measuring device is more convenient reliable, practicability is stronger.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
The immersion permanent-magnet brushless DC electric machine device of power can be provided under high pressure, including whole pressure casing,
Permanent-magnet brushless DC electric machine power mechanism and it is forced to rotate executing agency；
The whole pressure casing includes being forced to rotate the first shell of executing agency and for placing forever for placing
The second housing of magnetic brushless dc mechanism of ocean, second housing one end and the first shell are connected, and the other end passes through external seal
Lid sealing；The permanent-magnet brushless DC electric machine power mechanism includes the fixed support base of motor, motor inside oil removal pneumatic shell
Body, coil windings stator, p-m rotor, rotor fixed position bearing, rear end support rotor, rear end rotor fixed position bearing；Pitch of the laps winding
Stator is with being located in outside p-m rotor, and one end of p-m rotor is connected by shaft coupling with executing agency is forced to rotate, and permanent magnetism turns
Sub- other end connection rear end supports rotor, and rear end supports rotor and the fixed support base of motor to connect by rear end rotor fixed position bearing
It connects, is forced to rotate executing agency and is connect with the first shell by front end positioning bearing, p-m rotor and rear end support rotor are common
It constitutes machine shaft and executing agency's rotation is forced to rotate by shaft coupling driving, between pitch of the laps wound stator and p-m rotor also
Equipped with oil removal pressure hull inside motor, oil removal pressure hull upper end and whole pressure casing are connected inside the motor, lower end with
The fixed support base of motor is connected, and motor stator is encapsulated in confined space, p-m rotor passes through rotor fixed position bearing and electricity
Oil removal pressure hull connection inside machine.
Between the fixed support base of motor and motor external seal lid, inside the fixed support base of motor and motor oil removal it is resistance to
Be designed between oil removal pressure hull and whole pressure casing between pressure shell body, inside motor sealing ring be isolated, it can be achieved that
The air-proof condition of internal cavity.
The rear end support rotor is prepared using non-permanent-magnet material.In above-mentioned technical proposal, by electrical-coil around
Between group stator and p-m rotor, it is arranged oil removal pressure hull inside a motor and motor stator is encapsulated in closed space
Interior, the executing agency that is forced to rotate is connected with the p-m rotor of power mechanism and drives rotation by it, and it is defeated to form power
The high pressure resistant structure of integration out.The rotary body of p-m rotor and execution part in the motor power mechanism section is logical
The positioning bearing that respective end is equipped with is crossed to be supported and limit.
The beneficial effects of the utility model are:
(1) relative to existing permanent-magnet brushless DC electric machine, the utility model increases oil removal pressure hull inside motor.Every
Oily pressure hull is placed between motor stator and rotor, and rotor will not influence stator rotor phase under liquid environment at this time
In the case where interaction, so that the power output of motor is in the liquid environment of enclosed high pressure, such as high pressure is effectively evaded
The sealing problem of the applications such as liquid viscosity measuring, is greatly improved convenience that machine power under condition of high voltage exports and can
By property.
(2) relative to existing rotary process viscosimeter, the utility model is by changing permanent-magnet brushless DC electric machine
Into the liquid viscosity measuring method with rotor can be cooperated in practice, by rotary actuator such as rotary process viscosity
The rotating cylinder of measuring device is connected with rotor, can integration be assembled to form a set of totally enclosed highly pressurised liquid viscosity measurement dress
It sets.It can solve the problems, such as the hydraulic seal in rotary process viscosity measurement, realize the feasibility of viscosity measurement under condition of high voltage, improve rotation
The reliability and accuracy of robin viscosity measurement.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the section view of the power mechanism part of the utility model.
In figure, whole pressure casing 1, the first shell 101, second housing 102, external seal lid 103, permanent magnet brushless dc
Oil removal pressure hull 202, coil windings stator 203, permanent magnetism inside the fixed support base 201 of mechanism of ocean 2, motor, motor
Rotor 204, rear end support rotor 206, rear end rotor fixed position bearing 207, sealing ring 208, is forced to revolve rotor fixed position bearing 205
Turn to execute structure 3, rotor shaft coupling 301, front end positioning bearing 302, rotary body 303.
Specific embodiment
The device of the utility model is further described with reference to the accompanying drawing.
The utility model is can to provide the immersion permanent-magnet brushless DC electric machine device of power under high pressure, including whole
Body pressure casing 1, is forced to rotate executing agency 3 at permanent-magnet brushless DC electric machine power mechanism 2.Three's mutual cooperation collective effect,
Power output under cooperative achievement highly pressurised liquid environment.Solve liquid high pressure under the conditions of direct current generator can not act on, power output
Stability and the not high problem of reliability.
In example as shown in Figs. 1-2, the whole pressure-resistant mechanism 1 covers power and the executing agency of package unit, right
Package unit plays tolerance internal high pressure and supporting role.First shell 101 is connected cooperation with second housing 102, outside second
Shell 102 is connected cooperation with external seal lid 103, is respectively formed and is forced to rotate executing agency and brushless, permanently is straight for placing
The closed chamber of galvanic electricity mechanism of ocean, while there is the ability for bearing internal poles High Voltage.
The permanent-magnet brushless DC electric machine power mechanism 2 includes the element of motor, coil windings conduct
Stator 203 can realize that changes of magnetic field controls using electric current, output shaft of the p-m rotor 204 using permanent magnet material as motor,
It is supported by corresponding bearing 205 and is limited.P-m rotor one end is connected with the rear end of non-permanent-magnet material support rotor 206, another
End is connected by shaft coupling 301 with the rotary body 303 of executing agency, realizes stable power output.The rotor and stator of motor
Between be cased with an internal oil removal pressure hull 202, together will be electric with the fixed support base 201 of motor, motor external seal lid 103
The stator of machine is encapsulated in closed space, then the sealing loop mechanism of coordinate contact surface can realize the dynamic of a rotor immersion
Power output environment.
As shown in Figure 1 and Figure 2, when using the direct current generator as power source under certain similar deep-sea working conditions, rear end
Support rotor 206, p-m rotor 204, rotary body 303 are submerged in highly pressurised liquid.Pass through external motor driving circuit at this time
Control coil winding generates direction mechanical periodicity magnetic field, passes through oil removal pressure hull 202 inside motor and controls the rotation of p-m rotor 204
Turn.Motor rear end supports rotor 206 to play the role of saving material as the extension of p-m rotor and stablizes shaft.Permanent magnetism
Rotor 204 drives the rotary body 303 of execution part to rotate by shaft coupling 301, forms power output.
The liquid viscosity measuring method that the device can cooperate in practice with rotor, such as by rotary actuator
The revolving drum of rotary process device for measuring viscosity is connected with rotor, can integration be assembled to form a set of totally enclosed high pressure
Liquid viscosity measuring device can solve the problems, such as the hydraulic seal in rotary process viscosity measurement, realize viscosity measurement under condition of high voltage
Feasibility, improve rotary process viscosity measurement reliability and accuracy.Furthermore the pressure resistance non-brush permanent-magnet DC motor can be with
Applied to other extraordinary occasions, support is provided for the development and use of marine engineering equipment under deep sea condition.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820695046.3U CN208508751U (en) | 2018-05-10 | 2018-05-10 | A kind of immersion permanent-magnet brushless DC electric machine device that power can be provided under high pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820695046.3U CN208508751U (en) | 2018-05-10 | 2018-05-10 | A kind of immersion permanent-magnet brushless DC electric machine device that power can be provided under high pressure |
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| Publication Number | Publication Date |
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| CN208508751U true CN208508751U (en) | 2019-02-15 |
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| CN201820695046.3U Active CN208508751U (en) | 2018-05-10 | 2018-05-10 | A kind of immersion permanent-magnet brushless DC electric machine device that power can be provided under high pressure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418370A (en) * | 2018-05-10 | 2018-08-17 | 浙江大学 | Submersible Permanent Magnet Brushless DC Motor Unit Capable of Powering Under High Voltage Conditions |
-
2018
- 2018-05-10 CN CN201820695046.3U patent/CN208508751U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418370A (en) * | 2018-05-10 | 2018-08-17 | 浙江大学 | Submersible Permanent Magnet Brushless DC Motor Unit Capable of Powering Under High Voltage Conditions |
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