CN206629003U - Vidacare corp and electrical equipment - Google Patents
Vidacare corp and electrical equipment Download PDFInfo
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- CN206629003U CN206629003U CN201720412153.6U CN201720412153U CN206629003U CN 206629003 U CN206629003 U CN 206629003U CN 201720412153 U CN201720412153 U CN 201720412153U CN 206629003 U CN206629003 U CN 206629003U
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Abstract
The utility model provides a kind of electric driver and electrical equipment.Direct current drive drive device provided by the utility model, is arranged in electrical equipment, for driving electrical equipment, including：Direct current generator；Dc source；Instruct sending part；Output transducer；Current sensor；Controller；Driver；Chopper, have the feature that：Wherein, armature winding branch road that direct current generator has 2j independently of each other and is made up of m winding, 2j × m commutator segment being connected with winding, the individual separate brushes of 2j for being connected with chopper and being in contact with commutator segment, driver has 2j separate driver elements, chopper has 2j separate bridge arm units, each driver element is connected with a bridge arm unit respectively, each bridge arm unit is connected with a brush respectively, and j and m are the positive integer not less than 2.
Description
Technical field
The utility model belongs to direct current generator field, more particularly to a kind of Vidacare corp and includes the motorized motions
The electrical equipment of device.
Background technology
With major city haze number of days and the increase of duration, exhaust emissions management of the country to fuel oil equipment is more next
It is stricter；In addition, in the office work environment of closing, fuel oil equipment prohibits the use of；In addition, this energy of oil is not
It is reproducible, exhaustion will be faced after decades.Therefore, electrical equipment such as electric automobile, electri forklift etc. using electricity as the energy
Electrical equipment is increasingly favored by manufacturer and consumer.It not only pollute it is small, can utilize regenerative resource provide
Electric energy, and compared with fuel oil equipment, it also has, and energy utilization rate is high, simple in construction, noise is small, dynamic property is good and portable
The advantages that property is high.Under petroleum resources increasingly intense situation, electric driver is greatly developed, particularly high-power electric drive
For example electronic battlebus of device, electronic warship, Electric aircraft and electric drive aircraft carrier etc., have far-reaching for national defense safety
Meaning.
Due to alternating current generator, particularly asynchronous machine, have simple in construction, reliable, in light weight, cheap excellent
Point, so it is widely used.But it has that detent torque is small, and starting current is very big, smooth speed control is poor, shakes
Dynamic and noise is big and the shortcomings of control algolithm is complicated.Even if using best control algolithm, can not still prevent high in motor
The presence of subharmonic, the alternating current generator performance in startup, braking, speed governing and low speed is caused all to be inferior to direct current generator.Therefore, to electricity
The very high occasion of the performance requirement of dynamic equipment, such as domestic variable frequency air-conditioning, lifting elevator, electric automobile etc., still favor in
The electrical equipment of direct current generator is installed.
In existing direct current drive drive device, the requirement to power switch pipe is extremely harsh, in normal work, work(
Rate switching tube must work below maximum operation temperature, maximum operating currenbt and maximum working voltage, once more than any one
Individual condition, power switch pipe will damage；In addition, when the change of the component parameter in electronic circuit exceeds normal range of operation
When, overvoltage or overcurrent may be produced in power switch pipe, causes power switch pipe to damage and then causes electrical equipment
Failure；In addition, with the increase of working time, aging occurs for power switch pipe, maximum operation temperature, maximum operating currenbt and most
The performance indications such as big operating voltage all decrease, and power switch pipe damage, which easily occurs, causes chopper global failure or short circuit
Etc. failure, and then trigger electrical equipment failure even security incident.
High-power electric drive device and electrical equipment, particularly low-voltage, high-current Vidacare corp and electrical equipment,
Need the controller or chopper that continuous operating current is very big, and related technology and product by individual countries and managing performance and
Monopolization, causes price very high, and the high-performance electric machine controller that can purchase of in the market or the current value of chopper output
Also it is only below a kiloampere.After all, manufacture level, the Current Sharing Technology of multiple power switch pipes, control are generated
Circuit and algorithm processed excessively many reasons such as complexity, seriously restrict and have impact on low-voltage, high-current Vidacare corp and electronic set
Standby development.
To sum up, these problems have had a strong impact on high-performance high-power electric equipment, including low-voltage, high-current is electronic
The development of electronic battlebus, electronic warship, Electric aircraft and electric drive aircraft carrier on car, electric ship, or even national defence.
Utility model content
The utility model is carried out to solve the above problems, there is provided a kind of electric driver and electrical equipment.
<Structure one>
The utility model provides a kind of direct current drive drive device, is arranged in electrical equipment, for driving electronic set
It is standby, including：Direct current generator, there is rated voltage and rated current；Dc source, have corresponding with rated voltage constant
The power supply of voltage, for providing the direct current corresponding with rated current；Sending part is instructed, sends turn with direct current generator output
The corresponding command signal of fast or torque value；Output transducer, the rotating speed of detection direct current generator output or torque, and transmission pair
The output feedback signal answered；Current sensor, detect the current value of the lead-out wire of dc source, and current feedback corresponding to transmission
Signal；Controller, calculated according to command signal, current feedback signal and output feedback signal and export operation control signal and
Motor control signal；Driver, enter working condition or halted state under operation control signal effect, in the operating condition root
Drive signal is produced according to motor control signal；Chopper, it is controllable in the presence of drive signal direct current to be converted into voltage
Direct current is simultaneously supplied to direct current generator, has the feature that：Wherein, direct current generator has 2j independently of each other and by m
The armature winding branch road of winding composition, 2j × m commutator segment being connected with winding, be connected with chopper and with commutator segment phase
2j separate brushes of contact, driver have 2j separate driver elements, and chopper has 2j mutually
Independent bridge arm unit, each driver element are connected with a bridge arm unit respectively, each bridge arm unit respectively with an electricity
Brush is connected, and j and m are the positive integer not less than 2.
In direct current drive drive device provided by the utility model, it can also have the feature that：Wherein, chopper
For bridge chopper, 2j separate brush main pole polarity of direct current generator corresponding to are divided into two groups of brushes
Group, chopper have a 2 bridge arm portions corresponding with two groups of brush group difference, and each bridge arm portion includes and a pair of j brush 1
The bridge arm unit answered, each bridge arm unit contain a copped wave bridge arm and the afterflow two being connected in antiparallel with the copped wave bridge arm
Pole pipe, line current is provided to corresponding brush, copped wave bridge arm contains two power switch pipes being connected in series, and each power is opened
Close Guan Yuyi fly-wheel diode to be connected in antiparallel, j is the positive integer not less than 2.
In direct current drive drive device provided by the utility model, it can also have the feature that：Wherein, brush is worked as
The rated current of lead-out wire is I1, the rated current of direct current generator is INWhen, the number 2j of armature winding branch road meets following
Part：
J ＞ IN÷I1,
J is the positive integer not less than 2.
In direct current drive drive device provided by the utility model, it can also have the feature that：Wherein, armature around
The connected mode of group is lap winding, and the excitation mode of the main pole of direct current generator is permanent magnetism, separate excitation, series excitation, shunt excitation or compound excitation.
In direct current drive drive device provided by the utility model, it can also have the feature that：Wherein, direct current
Source is the rectification source obtained after battery pack or the rectified filtering of AC power, and battery pack is made up of at least one battery cell
's.
In direct current drive drive device provided by the utility model, it can also have the feature that：Wherein, armature around
Group branch road is independently mounted at least one armature of direct current generator, and chopper is made up of at least one SPM
Or multiple power switch pipes are contained, power switch pipe is electric power field-effect transistor, gate level turn-off thyristor, integrated door
Any one in pole commutated thyristor, insulated gate bipolar transistor, electric power bipolar transistor and door pole stream-exchanging thyristor.
<Structure two>
Further, the utility model additionally provides a kind of electrical equipment containing above-mentioned Vidacare corp.
The effect of utility model and effect
According to Vidacare corp provided by the utility model and electrical equipment, driver contains 2j independently of each other
And parameter identical driver element, armature winding branch road that direct current generator has 2j independently of each other and is made up of m winding,
2j × m commutator segment being connected with winding, the 2 groups of electricity for being located at the both sides of armature winding branch road respectively and being in contact with commutator segment
Brush group, each brush group include j separate brushes, and chopper has 2 bridge arms corresponding with 2 groups of brush group difference
Portion, each bridge arm portion include the j bridge arm units to be connected one to one with j brush of corresponding brush group, therefore each bridge arm
The line current of any two bridge arm unit output in portion is separate, non-interfering, and then causes the output electricity of chopper
Stream can linearly be increased by increasing the number of bridge arm unit, can reach infinitely great in theory.Not only remain and cut originally
The ripe control algolithm of ripple device and the mature technology of direct current generator, and reduce and power switch pipe consistency of performance is wanted
Ask, the requirement of high current can be met using common power switch pipe, avoid the essence from substantial amounts of power switch pipe and choose carefully
Select the consuming of a large amount of manpower and financial resources caused by the high switch element of uniformity.
Each driver element is correspondingly connected to a bridge arm unit, a brush and two armature winding branch roads, when appoint
When a driver element, bridge arm unit, brush or the armature winding branch road generation failure of anticipating, motorized motions of the present utility model are fault-tolerant
Current value that device and electrical equipment are detected by calculating current sensor simultaneously judges driver element, the bridge to break down
After arm unit, brush or armature winding branch road, driver element corresponding to controller output operation control signal order is stopped, from
And the driver element of damage, bridge arm unit, brush or armature winding branch road are subjected to shielding isolation, avoid the further expansion of failure
Greatly, ensure that Vidacare corp and electrical equipment can continue normal work or light running, electronic set has been dramatically reduced
The probability that standby, particularly high-speed cruising electrical equipment security incident occurs.
In addition, Vidacare corp of the present utility model can break the external monopolization for great current drive device and envelope
Lock so that the direct current drive drive device, which can not only substitute, pollutes big, the slow fuel oil hair low with energy utilization rate of toggle speed
Motivation and applied at present can not use motor heavy-duty engine on, such as truck, bull-dozer, excavator heavy-duty engine etc.,
It can also be applied to need in military affairs on the electronic battlebus, electronic warship and electric drive aircraft carrier of more high current, realize low
Press the production domesticization of the Vidacare corp of high current.And compared with AC motor drives, systematic function is more superior.
Therefore, Vidacare corp of the present utility model has structure design simple, reasonable, and cost is low, and caloric value is small, work
Make stable performance, safe and reliable, the advantages that service life is long.
Brief description of the drawings
Fig. 1 is the electrical block diagram of the Vidacare corp of the utility model embodiment；And
Fig. 2 is the electrical block diagram of high current Vidacare corp of the prior art.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, with
Lower embodiment combination accompanying drawing is specifically addressed to the utility model direct current drive drive device and electrical equipment.
Illustrate specific embodiment of the present utility model below in conjunction with accompanying drawing.
Vidacare corp 10 be arranged on electrical equipment for example electric tool, four-axle aircraft, electric automobile, electric ship,
In commercial power electrical forklift, electronic military equipment, for driving electrical equipment.
Fig. 1 is the electrical block diagram of the direct current drive drive device in the present embodiment.
As shown in figure 1, Vidacare corp 10 includes direct current generator 11, dc source 12, instruction sending part 13, output biography
Sensor 14, current sensor 15, controller 16, driver 19 and chopper 20.
Direct current generator 11 has rated voltage and rated current.Direct current generator 11 has main pole 111 and at least one
Armature 112.In embodiment, direct current generator has an armature 112.Armature 112 is the rotor of direct current generator.
Main pole 111 is that armature 112 provides operating fields.The excitation mode of main pole is permanent magnetism, separate excitation, series excitation, shunt excitation
Or compound excitation.If main pole is separate excitation excitation mode, the Exciting Windings for Transverse Differential Protection of separate excitation is individually control, the control phase with armature winding
It is mutually independent.If main pole is shunt excitation excitation mode, the Exciting Windings for Transverse Differential Protection of shunt excitation by the reversible chopper of single bridge-type and with
The voltage identical dc source of dc source 12 and single driver element 191 are powered.In the present embodiment, main pole 111 is adopted
With the excitation mode of series excitation.
Armature 112 includes rotor core (not shown), 2j armature winding branch road 1121,2j × m commutator segment (figure
In do not show) and 2 groups of brush groups 1122.
Armature winding branch road 1121 is independently mounted on the rotor core of armature 112.Armature winding branch road 1121 is by m
What the winding being wrapped on rotor core was formed, m is more than 2 positive integer.The connection of winding in armature winding branch road 1121
Mode is lap winding.In normal work, the electric current of all armature winding branch roads is independent of each other, independently of each other.
2 groups of brush groups 1122 are divided into two groups according to the polarity difference of the main pole 111 corresponding to its locus, and respectively
Two groups of power lines of direct current generator 11 are connected, and are in contact with the commutator segment of commutator.Each brush group includes j mutually solely
Vertical brush.2j brush is evenly distributed on the commutator being made up of commutator segment of direct current generator, with direct current generator main pole
Position it is corresponding, each brush can at least be in contact with a commutator segment.Circumferencial direction of the one group of brush therein along motor
It is uniformly distributed, the locus of another group of brush is arranged among different groups of adjacent two brushes.In the present embodiment, brush
Using narrow brush, it is dimensioned slightly smaller than the size of commutator segment.In the present embodiment, each brush can connect with least one commutator segment
Touch.
Dc source 12 has the constant voltage corresponding with rated voltage, and corresponding with rated current for offer is straight
Stream electricity.Dc source 12 is the rectification source obtained after battery pack or the rectified filtering of AC power, in the present embodiment, direct current
Battery pack is selected in source 12.
Sending part 13 is instructed to send the command signal corresponding with the value of the rotating speed of the output of direct current generator 11 or torque.
The rotating speed or torque of the detection output of direct current generator 11 of output transducer 14 simultaneously export corresponding output feedback signal.
Output feedback signal is received by controller 16.
Current sensor 15 detects the connection line current value of dc source 12 and bridge arm unit 2011, and exports corresponding
Current feedback signal.Current feedback signal is received by controller 16.
Controller 16 is according to the command signal of instruction sending part 13, the output feedback signal and electric current of output transducer 14
The current feedback signal of sensor 15 calculates the operation control signal 17 and motor control signal 18 of driver.
Driver 19 enters working condition in the case where operation control signal 17 controls, and produces drive according to motor control signal 18
The drive signal that dynamic chopper 20 works.
It is controllable that constant voltage DC electricity is converted to average voltage by chopper 20 under the drive signal effect that driver 19 is sent
Direct current and be supplied to direct current generator 11.In the present embodiment, chopper 20 is bridge chopper.
Chopper 20 has the 2 bridge arm portions 201 corresponding with 2 groups of brush group difference.Each bridge arm portion 201 includes and j
The individual one-to-one bridge arm unit 2011 of brush.Each bridge arm unit 2011 containing a copped wave bridge arm 20111 and two with
The fly-wheel diode that the copped wave bridge arm 20111 is connected in antiparallel, provide line current to corresponding brush jointly.
Copped wave bridge arm 20111 contains the upper bridge arm power switch pipe being connected in series with each other and lower bridge arm power switch pipe.
That is, 1 bridge arm unit 2011 that the extraction line current of each brush is made up of 2 power switch pipes and 2 diodes
There is provided.
Upper bridge arm power switch pipe and lower bridge arm power switch pipe are connected in antiparallel a fly-wheel diode respectively.On
Bridge arm power switch pipe and lower bridge arm power switch pipe have the predetermined maximum continuous operating current of identical, and it is power switch pipe
An important parameter, only below this current value when, power switch pipe is possible to stable operation, if operating current
More than this current value, power switch pipe will be breakdown due to excessively stream, so as to damage.In view of various different operating environment
Influence, in general, the rated current of the lead-out wire of brush is less than this maximum continuous operating current, is typically taken as maximum
0.5~0.8 times of continuous operating current.
Upper bridge arm power switch pipe or lower bridge arm power switch pipe are the power switch pipe of full-control type, can use field of electric force
Effect transistor, gate level turn-off thyristor, integrated gate commutated thyristor, insulated gate bipolar transistor, electric power are ambipolar
Any one in transistor and door pole stream-exchanging thyristor.In the present embodiment, the power switch pipe is electric power field effect transistor
Pipe.
When the rated current of the lead-out wire of brush is I1, the rated current of direct current generator 11 is INWhen, armature winding branch road
1121 number 2j meets following conditions：J ＞ IN÷I1, j is the positive integer not less than 2.
In the present embodiment, predetermined control rule is：In 2j current sensor 15, if a current feedback signal connects
It is zero and when other current feedback signals are all non-zero to continue, and controller is judged as corresponding driver element 191, bridge arm unit
2011st, brush or armature winding branch road 1121 break down, and the output operation control signal 17 of controller 16 causes corresponding drive
Unit 191 enters halted state；If a current feedback signal is continuously more than the 1.5 of other current feedback signal average values
When more than times, controller 16 judges corresponding bridge arm unit 2011 or armature winding branch road 1121 as short trouble, controller 16
Output operation control signal 17 cause corresponding to driver element 191 enter halted state so that by driver element corresponding to failure,
Bridge arm unit, brush and armature winding branch road carry out shielding isolation, avoid the further expansion of failure.
The effect of embodiment and effect
The Vidacare corp and electrical equipment provided according to the present embodiment, driver contain 2j independently of each other and
Parameter identical driver element, armature winding branch road that direct current generator has 2j independently of each other and is made up of m winding and
2j × m commutator segment of winding connection, it is located at the both sides of armature winding branch road and 2 groups of brushes being in contact with commutator segment respectively
Group, each brush group include j separate brushes, and chopper has 2 bridge arms corresponding with 2 groups of brush group difference
Portion, each bridge arm portion include the j bridge arm units to be connected one to one with j brush of corresponding brush group, therefore each bridge arm
The line current of any two bridge arm unit output in portion is separate, non-interfering, and then causes the output electricity of chopper
Stream can linearly be increased by increasing the number of bridge arm unit, can reach infinitely great in theory.Not only remain and cut originally
The ripe control algolithm of ripple device and the mature technology of direct current generator, and reduce and power switch pipe consistency of performance is wanted
Ask, the requirement of high current can be met using common power switch pipe, avoid the essence from substantial amounts of power switch pipe and choose carefully
Select the consuming of a large amount of manpower and financial resources caused by the high switch element of uniformity.
Each driver element is correspondingly connected to a bridge arm unit, a brush and two armature winding branch roads, when appoint
When a driver element, bridge arm unit, brush or the armature winding branch road generation failure of anticipating, the fault-tolerant dress of motorized motions of the present embodiment
Put and current value that electrical equipment is detected by calculating current sensor and judge driver element, the bridge arm to break down
After unit, brush or armature winding branch road, driver element corresponding to controller output operation control signal order is stopped, so as to
The driver element of damage, bridge arm unit, brush or armature winding branch road are subjected to shielding isolation, avoid the further expansion of failure
Greatly, ensure that Vidacare corp and electrical equipment can continue normal work or light running, electronic set has been dramatically reduced
The probability that standby, particularly high-speed cruising electrical equipment security incident occurs.
In addition, the Vidacare corp of the present embodiment can break the external monopolization for great current drive device and envelope
Lock so that the direct current drive drive device, which can not only substitute, pollutes big, the slow fuel oil hair low with energy utilization rate of toggle speed
Motivation and applied at present can not use motor heavy-duty engine on, such as truck, bull-dozer, excavator heavy-duty engine etc.,
It can also be applied to need in military affairs on the electronic battlebus, electronic warship and electric drive aircraft carrier of more high current, realize low
Press the production domesticization of the Vidacare corp of high current.And compared with AC motor drives, systematic function is more superior.
Therefore, the Vidacare corp of the present embodiment has structure design simple, reasonable, and cost is low, and caloric value is small, work
It is stable performance, safe and reliable, the advantages that service life is long.
In the above-described embodiments, brush is narrow brush, but is used as brush of the present utility model or wide brush.
In addition, dc source is the rectification source obtained after battery pack or the rectified filtering of AC power, dc source is one
It is individual overall or connected one to one with 2j with 2j bridge arm unit and separate power subsystem.When dc source has
During 2j separate power subsystems, the output current of each power subsystem is smaller for dc source total current,
The connector of the connector of connecting line, connecting line and power subsystem between power subsystem and chopper, connecting line and chopper,
Requirement to contact resistance and insulation is relatively low, not only reduces the difficulty and cost of production, also contributes to the reliable of system
Property and security.
When power subsystem is battery pack and during with the separate battery units of 2j, the battery cell in battery unit
Parallel technology can not be needed, can meet to require only with serial connection technology, is eliminated caused by after multiple battery cell parallel connections
Battery balanced problem, also eliminate to reduce the inconsistency of multiple battery cells and caused expense.In terms of power supply, by more
Individual relatively small capacity series-connected cell unit instead of the connection in series-parallel battery pack of single Large Copacity, identical in battery cell quantity
In the case of, reduce battery overall performance caused by parallel connection and decay, improve energy density, power, performance, durability
And security, more preferable guarantee can be provided for the continuation of the journey of electrical equipment and performance.
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.
Claims (7)
1. a kind of direct current drive drive device, is arranged in electrical equipment, for driving the electrical equipment, including：
Direct current generator, there is rated voltage and rated current；
Dc source, there is the power supply of the constant voltage corresponding with the rated voltage, for providing and the rated current
Corresponding direct current；
Sending part is instructed, sends the command signal corresponding with the value of the rotating speed of direct current generator output or torque；
Output transducer, detect rotating speed or the torque of the direct current generator output, and output feedback signal corresponding to transmission；
Current sensor, detect the current value of the lead-out wire of the dc source, and current feedback signal corresponding to transmission；
Controller, calculated according to the command signal, the current feedback signal and the output feedback signal and export operation
Control signal and motor control signal；
Driver, enter working condition or halted state under the operation control signal effect, in the operating condition according to institute
State motor control signal and produce drive signal；
Chopper, the direct current is converted into the controllable direct current of voltage in the presence of the drive signal and is supplied to institute
State direct current generator,
It is characterized in that：
Wherein, the direct current generator has 2j independently of each other and is made up of m winding armature winding branch road and it is described around
2j × m commutator segment of group connection, 2j for being connected with the chopper and being in contact with the commutator segment are independently of each other
Brush,
The driver has 2j separate driver elements,
The chopper has 2j separate bridge arm units,
Each driver element is connected with a bridge arm unit respectively, each bridge arm unit respectively with an institute
Brush is stated to be connected,
The j and m is the positive integer not less than 2.
2. direct current drive drive device according to claim 1, it is characterised in that：
Wherein, the chopper is bridge chopper, 2j separate brush direct current generators corresponding to
Main pole polarity be divided into two groups of brush groups,
The chopper has the 2 bridge arm portions corresponding with two groups of brush groups difference, and each bridge arm portion includes and j institute
The brush bridge arm unit correspondingly is stated,
Each bridge arm unit contains a copped wave bridge arm and the fly-wheel diode being connected in antiparallel with the copped wave bridge arm,
Line current is provided to the corresponding brush,
The copped wave bridge arm contains two power switch pipes being connected in series, and each power switch pipe described continues with one
Stream diode reverse is connected in parallel,
The j is the positive integer not less than 2.
3. direct current drive drive device according to claim 1, it is characterised in that：
Wherein, when the rated current of the brush lead-out wire is I1, the rated current of the direct current generator is INWhen, it is described
The number 2j of armature winding branch road meets following conditions：
J ＞ IN÷I1,
The j is the positive integer not less than 2.
4. direct current drive drive device according to claim 1, it is characterised in that：
Wherein, the connected mode of the armature winding is lap winding,
The excitation mode of the main pole of the direct current generator is permanent magnetism, separate excitation, series excitation, shunt excitation or compound excitation.
5. direct current drive drive device according to claim 1, it is characterised in that：
Wherein, the dc source is the rectification source obtained after battery pack or the rectified filtering of AC power,
The battery pack is made up of at least one battery cell.
6. direct current drive drive device according to claim 1, it is characterised in that：
Wherein, the armature winding branch road is independently mounted at least one armature core of the direct current generator,
The chopper is made up of at least one SPM or contains multiple power switch pipes,
The power switch pipe is electric power field-effect transistor, gate level turn-off thyristor, integrated gate commutated thyristor, insulation
Any one in grid bipolar transistor, electric power bipolar transistor and door pole stream-exchanging thyristor.
A kind of 7. electrical equipment, it is characterised in that including：
Direct current drive drive device according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720412153.6U CN206629003U (en) | 2017-04-19 | 2017-04-19 | Vidacare corp and electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720412153.6U CN206629003U (en) | 2017-04-19 | 2017-04-19 | Vidacare corp and electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206629003U true CN206629003U (en) | 2017-11-10 |
Family
ID=60205346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720412153.6U Withdrawn - After Issue CN206629003U (en) | 2017-04-19 | 2017-04-19 | Vidacare corp and electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206629003U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070322A (en) * | 2017-04-19 | 2017-08-18 | 上海理工大学 | Vidacare corp and electrical equipment |
-
2017
- 2017-04-19 CN CN201720412153.6U patent/CN206629003U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070322A (en) * | 2017-04-19 | 2017-08-18 | 上海理工大学 | Vidacare corp and electrical equipment |
| CN107070322B (en) * | 2017-04-19 | 2023-06-20 | 上海理工大学 | Electric drive device and electric apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171110 Effective date of abandoning: 20230620 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20171110 Effective date of abandoning: 20230620 |