CN206628817U - A kind of electric motor protective device and motor - Google Patents
A kind of electric motor protective device and motor Download PDFInfo
- Publication number
- CN206628817U CN206628817U CN201720408719.8U CN201720408719U CN206628817U CN 206628817 U CN206628817 U CN 206628817U CN 201720408719 U CN201720408719 U CN 201720408719U CN 206628817 U CN206628817 U CN 206628817U
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- processor
- motor
- electric motor
- protective device
- current
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Abstract
It the utility model is related to overload protection technical field, and in particular to a kind of electric motor protective device and motor, electric motor protective device are applied to the motor for including motor driven systems, and electric motor protective device includes：Current detector, processor and drive dynamic control device, current detector and drive dynamic control device are connected with processor respectively, and drive dynamic control device is connected with motor driven systems.Current detector, processor, drive dynamic control device are arranged in a housing, and current sensing means is used for the current value for detecting motor and sent to processor, and processor is used to run or stop by drive control device controls motor driven systems according to current value.Effectively avoid motor at work because load exceedes its utmost carrying ability, the accident for causing motor overheating to be burned out by above-mentioned setting.
Description
Technical field
It the utility model is related to overload protection technical field, and in particular to a kind of electric motor protective device and motor.
Background technology
With the electrotechniical development of China Power, increasing power equipment and electricity consumption facility have gradually obtained generally
Using, such as household electrical appliance, factory's lathe etc..The operation principle of electromechanical equipment is often the form that machinery is engaged with electric power,
And the important spare part for organically combining both is exactly motor.
Motor or motor be all using electromagnetic induction and law of electromagnetic force as basic functional principle carry out electric energy transmission or
The plant equipment of energy converting between mechanical, its industrial production, automatically control, the technical field such as electromechanical engineering plays an important role.
However, industrial production, which usually occurs, uses lack of standardization, voltage of power instable situation so that motor at work can
Occur overheating, the accident for causing motor to be burned out because load exceedes the utmost carrying ability of itself.
Utility model content
The purpose of this utility model is to provide a kind of electric motor protective device, by set current detector, processor with
And drive dynamic control device so that there is excess load running in motor when, power off break-off in time, effectively avoid motor at work
Because load exceedes its utmost carrying ability, the accident for causing motor overheating to be burned out.
Another object of the present utility model is to provide a kind of motor, by set include current detector, processor with
And the electric motor protective device of drive dynamic control device, so that motor occurs powering off break-off during excess load running in time, effectively keep away
Exempt from motor at work because load exceedes its utmost carrying ability, the accident for causing motor overheating to be burned out.
To achieve these goals, it is as follows to provide technical scheme for the utility model embodiment：
A kind of electric motor protective device, applied to the motor including motor driven systems, the electric motor protective device includes：Electricity
Current sensor, processor and drive dynamic control device, the current detector and drive dynamic control device respectively with the processor
Connection, the drive dynamic control device are connected with the motor driven systems.
The current detector, processor, drive dynamic control device are arranged in a housing, and the current sensing means is used for
Detect the current value of motor and send to the processor, the processor is used to be controlled by the driving according to the current value
Device processed controls the motor driven systems operation or stopped.
Optionally, in above-mentioned electric motor protective device, the motor includes motor body, and the electric motor protective device also wraps
The temperature detector for detecting the motor body temperature is included, the temperature detector is connected with the processor, the temperature inspection
Survey device and be arranged at the motor body, the processor is additionally operable to pass through institute according to the temperature value that the temperature detector detects
State the operation or stopping of motor driven systems described in drive control device controls.
Optionally, in above-mentioned electric motor protective device, the temperature detector is multiple, each temperature detector difference
It is arranged at the diverse location of the motor body and is connected respectively with the processor.
Optionally, in above-mentioned electric motor protective device, the electric motor protective device also includes electrically connecting with the processor
The human-computer interaction device connect, the processor are used to control the human-computer interaction device to show the current value and temperature value.
Optionally, in above-mentioned electric motor protective device, the human-computer interaction device is arranged at the surface of the housing, described
Side of the housing away from the human-computer interaction device is provided with installation portion, and the installation portion is provided with multiple mounting holes.
Optionally, in above-mentioned electric motor protective device, the current detector is Hall current sensor.
Optionally, in above-mentioned electric motor protective device, the drive dynamic control device includes relay, the control of the relay
End processed is connected with the processor, input and power supply connection, output end are connected with the motor driven systems.
Optionally, in above-mentioned electric motor protective device, the electric motor protective device also includes alarm, the alarm with
The processor connection, the processor control the working condition of the alarm according to the current value.
Optionally, in above-mentioned electric motor protective device, the alarm includes short message alarm module, the SMS alarm mould
Block is associated with terminal device, and the short message alarm module is connected with the processor, and the processor is used to be led to according to current value
Cross the short message alarm module and send SMS alarm information to the terminal device.
The utility model also provides a kind of motor, including motor driven systems and above-mentioned electric motor protective device, described
Motor driven systems are connected with the electric motor protective device.
The utility model embodiment provides a kind of electric motor protective device and motor, and the motor includes motor driven systems
And electric motor protective device, the electric motor protective device by setting current detector, processor and drive dynamic control device, with
When the motor excess load running is occurred, power-off break-off in time is realized, so as to effectively avoid motor at work due to load
Overheated more than the utmost carrying ability of itself, the accident for causing motor to be burned out.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Accompanying drawing appended by cooperation, is described in detail below.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of structural representation for electric motor protective device that the utility model embodiment provides.
Fig. 2 is a kind of structured flowchart for motor that the utility model embodiment provides.
Fig. 3 is a kind of structured flowchart for electric motor protective device that the utility model embodiment provides.
Fig. 4 is a kind of another structural representation for electric motor protective device that the utility model embodiment provides.
Icon：10- motors；100- electric motor protective devices；110- current detectors；120- processors；130- drive controls
Device；140- housings；142- installation portions；143- mounting holes；150- temperature detectors；160- human-computer interaction devices；170- alarms
Device；200- motor driven systems.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is part of the embodiment of the present utility model, rather than whole embodiments.Generally retouched here in accompanying drawing
The component of the utility model embodiment stated and shown can be configured to arrange and design with a variety of.
Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
Incorporated by reference to Fig. 1 and Fig. 2, the utility model provides a kind of electric motor protective device 100, the electric motor protective device 100
Applied to the motor 10 including motor driven systems 200, the motor driven systems 200 connect with the electric motor protective device 100
Connect.
The electric motor protective device 100 includes current detector 110, processor 120 and drive dynamic control device 130, institute
Current detector 110 and drive dynamic control device 130 is stated to be connected with the processor 120 respectively, the drive dynamic control device 130 with
The motor driven systems 200 connect.
When motor 10 works, the current detector 110 detects the current value of motor 10 and sent to the processor
120, the processor 120 controls the motor driven systems 200 according to the current value by the drive dynamic control device 130
Working condition.Wherein, it is stored with pre-set current value in the processor 120.When the current value is less than the predetermined current
During value, the motor driven systems 200 are in running status；When the current value is more than or equal to the pre-set current value, institute
Processor 120 is stated to be used to control the motor driven systems 200 to stop by the drive dynamic control device 130 according to the current value
Only run.
When there is excess load running by the above-mentioned setting motor 10, break-off is powered off in time, is effectively avoided
Motor 10 overheats, the accident for causing motor 10 to be burned out because load exceedes the utmost carrying ability of itself at work.
Wherein, the processor 120 is probably a kind of IC chip, has the disposal ability of signal.Above-mentioned place
Reason device 120 can be general processor, including central processing unit (Central Processing Unit, CPU), network processes
Device (Network Processor, NP) etc..It can also be digital signal processor (DSP), application specific integrated circuit (ASIC), show
Field programmable gate array (FPGA) either other PLDs, discrete gate or transistor logic, discrete hardware
Component.It can realize or perform disclosed each method, step and the logic diagram in the utility model embodiment.General procedure
Device can be microprocessor or the processor 120 can also be any conventional processor etc..It is not specifically limited herein.
The drive dynamic control device 130 includes drive control circuit, and the drive control circuit can include electronic switch,
The electronic switch can be IGCT, transistor, FET, controllable silicon or relay etc., as long as possessing in electronic circuit
And the function of connecting and disconnecting of the circuit can be realized under the control of power electronic devices.
In the present embodiment, the electronic switch is relay, and the control terminal of the relay connects with the processor 120
Connect, input and power supply are connected, output end is connected with the motor driven systems 200.The relay can be electric current relay,
Can also be voltage relay, in the present embodiment, the relay is electric current relay.
The current detector 110 can be but not limited to circuit measuring instrument, ammeter or current detection circuit, as long as energy
The size of electric current is flowed through in detection motor 10.To realize automatic detection and display electric current, and feelings are endangered in excessively stream, overvoltage etc.
Condition has the intelligent control of automatic protection functions and higher level when occurring, in the present embodiment, the current detector 110 is electricity
Current detection circuit, the current detection circuit include current sensor.Wherein, the current sensor is with measurement range
Extensively, fast response time, measurement accuracy are high, overload capacity is strong, small volume, Hall current in light weight and the features such as be easily installed
Sensor.
The current detector 110, processor 120 and drive dynamic control device 130 are arranged in a housing 140, in this reality
Apply in example, the current detector 110, processor 120 and drive dynamic control device 130 can be respectively arranged at the housing 140
The inwall or current detector 110, processor 120 and drive dynamic control device 130 be arranged at a circuit board
Afterwards, the circuit board for being provided with current detector 110, processor 120 and drive dynamic control device 130 is arranged at the housing
In 140.It is not specifically limited herein.
In the present embodiment, the current detector 110, processor 120 and drive dynamic control device 130 are respectively arranged at one
After circuit board, the circuit board that this is provided with to current detector 110, processor 120 and drive dynamic control device 130 is fixedly installed on
In the housing 140.
The shape of the housing 140 can be but not limited to cuboid, square, cylinder or other irregular shapes,
As long as the processor 120, drive dynamic control device 130 and current detector 110 can be accommodated.In the present embodiment,
For ease of installing the electric motor protective device 100, the housing 140 is cuboid.It is provided with the one side of the housing 140
Installation portion 142, mounting hole 143 is provided with the installation portion 142, the housing 140 is installed by the mounting hole 143
It is fixed.The mounting hole 143 can be one or multiple, be configured according to the actual requirements, do not do have herein
Body limits.
Incorporated by reference to Fig. 3, in the present embodiment, the motor 10 includes motor body, optionally, described in further ensureing
The security of motor 10, in the present embodiment, the electric motor protective device 100 also include the temperature for detecting the motor body temperature
Detector 150 is spent, the temperature detector 150 is connected with the processor 120, and the temperature detector 150 is arranged at described
Motor body, the processor 120 are additionally operable to be controlled by the driving according to the temperature value that the temperature detector 150 detects
Device 130 processed controls the operation or stopping of the motor driven systems 200.
Preset temperature value is stored with the processor 120, when the temperature value that the temperature detector 150 detects is less than
During the preset temperature value, the motor driven systems 200 are in running status.Detected when the temperature detector 150
When temperature value is more than the preset temperature value, the processor 120 controls the motor to drive by the drive dynamic control device 130
Dynamic system 200 is out of service.
Wherein, the temperature detector 150 can be but not limited to temperature monitor, temperature sensor or temperature detection core
Piece, in the present embodiment, the temperature detector 150 are temperature sensor.The temperature detector 150 can be one and also may be used
To be multiple, in the present embodiment, to ensure the accuracy of testing result, the temperature detector 150 is multiple, each temperature
Degree detector 150 is respectively arranged at the motor body and is connected respectively with the processor 120.In the present embodiment, it is described
Processor 120 can be worth to the temperature value according to being averaged for temperature that each temperature detector 150 detects.And then have
Effect ensures the accuracy of temperature detection result.
Incorporated by reference to Fig. 4, optionally, check for the convenience of the user current value that the electric motor protective device 100 detects and
Temperature value, in the present embodiment, the electric motor protective device 100 also include human-computer interaction device 160, the human-computer interaction device
160 are connected with the processor 120, and the human-computer interaction device 160 is arranged at the surface of the housing 140, the man-machine friendship
Mutual device 160 is used to show the current value and temperature value under the control of the processor 120.Optionally, it is described man-machine
Interactive device 160 is additionally operable to show the information such as time.The human-computer interaction device 160 can be made up of display and button,
The human-computer interaction device 160 can also be liquid crystal touch screen, be not specifically limited herein, be configured according to the actual requirements i.e.
Can.
For convenience of by the electric motor protective device 100 and facilitating user to check on human-computer interaction device 160 information shown.
In the present embodiment, the installation portion 142 is arranged at side of the housing 140 away from the human-computer interaction device 160, and the peace
Dress portion 142 is provided with multiple mounting holes 143.The housing 140 is installed on the motor body by each mounting hole 143,
So that the electric motor protective device 100 can detect the loading condition and temperature of motor body.
Optionally, to enable the electric motor protective device 100 to be played when motor 10 works or stopped to user
Suggesting effect.In the present embodiment, the electric motor protective device 100 also includes indicator lamp, and the indicator lamp can be one
Can be multiple.To make the visual effect of electric motor protective device 100 more preferably and playing good suggesting effect, in the present embodiment
In, the indicator lamp is multiple and identical with the quantity of the mounting hole 143, and each indicator lamp is arranged at the housing 140
And respectively close to the opening position of the mounting hole 143.
To avoid the electric motor protective device 100 from being found in time by staff after the overload power-off of motor 10.
In the present embodiment, the electric motor protective device 100 also includes alarm 170, and the alarm 170 connects with the processor 120
Connect, the processor 120 controls the working condition of the alarm 170 according to the current value.
The alarm 170 can be but not limited to voice guard, light crossing-signal, audible-visual annunciator and/or short message report
Alert module.In the present embodiment, the alarm 170 includes short message alarm module, and the short message alarm module is associated with terminal
Equipment, the short message alarm module are connected with the processor 120, and the processor 120 is described for being passed through according to current value
Short message alarm module sends SMS alarm information to the terminal device.Optionally, the alarm 170 also includes audible alarm
Device 170, the voice guard 170 are connected with the processor 120, and send sound when current value exceedes pre-set current value
Alarm signal.
On the basis of the above, the utility model embodiment also provides a kind of motor 10, the motor 10 include motor body,
Motor driven systems 200 and above-mentioned electric motor protective device 100, the motor driven systems 200 fill with the electric motor protecting
Put 100 and motor body connect respectively.
The motor 10 can be direct current generator or alternating current generator.In the present embodiment, the motor 10 is straight
Flow motor.
Because the motor 10 includes the electric motor protective device 100, therefore the motor 10 includes the electric motor protecting
100 corresponding feature of device, does not do repeat one by one herein.
To sum up, a kind of electric motor protective device 100 and motor 10 provided by the utility model, by setting current detector
110th, when processor 120 and drive dynamic control device 130 are so that excess load running occurs in motor 10, break-off is powered off in time,
Motor 10 is effectively avoided to be overheated, the thing for causing motor 10 to be burned out because load exceedes the utmost carrying ability of itself at work
Therefore.By setting temperature detector 150 further to ensure the safety of motor 10.By setting alarm 170, indicator lamp and people
Machine interactive device 160 is to prompt user and facilitate user to check the working condition of the motor 10.
In description of the present utility model, unless otherwise clearly defined and limited, term " setting ", " connected ", " company
Connect " it should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or it is integrally connected；It can be machine
Tool connects or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, it can understand that above-mentioned term is new in this practicality with concrete condition
Concrete meaning in type.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (10)
- A kind of 1. electric motor protective device, applied to the motor including motor driven systems, it is characterised in that the electric motor protecting dress Put including：Current detector, processor and drive dynamic control device, the current detector and drive dynamic control device respectively with institute Processor connection is stated, the drive dynamic control device is connected with the motor driven systems；The current detector, processor and drive dynamic control device are arranged in a housing, and the current sensing means is used to examine The current value of measured motor is simultaneously sent to the processor, and the processor is used to pass through the drive control according to the current value Device controls the motor driven systems operation or stopped.
- 2. electric motor protective device according to claim 1, it is characterised in that the motor includes motor body, the electricity Machine protection device also includes the temperature detector for detecting the motor body temperature, and the temperature detector connects with the processor Connect, the temperature detector is arranged at the motor body, and the processor is additionally operable to be detected according to the temperature detector The temperature value operation or stopping that passing through motor driven systems described in the drive control device controls.
- 3. electric motor protective device according to claim 2, it is characterised in that the temperature detector is each described to be multiple Temperature detector is respectively arranged at the diverse location of the motor body and is connected respectively with the processor.
- 4. electric motor protective device according to claim 2, it is characterised in that the electric motor protective device also include with it is described The human-computer interaction device that processor is electrically connected with, the processor are used to control the human-computer interaction device to show the current value And temperature value.
- 5. electric motor protective device according to claim 4, it is characterised in that the human-computer interaction device is arranged at the shell The surface of body, side of the housing away from the human-computer interaction device are provided with installation portion, and the installation portion is provided with multiple Mounting hole.
- 6. electric motor protective device according to claim 1, it is characterised in that the current detector senses for Hall current Device.
- 7. electric motor protective device according to claim 1, it is characterised in that the drive dynamic control device includes relay, The control terminal of the relay is connected with the processor, input and power supply connection, output end and the motor driven systems Connection.
- 8. electric motor protective device according to claim 1, it is characterised in that the electric motor protective device also includes alarm Device, the alarm are connected with the processor, and the processor controls the work shape of the alarm according to the current value State.
- 9. electric motor protective device according to claim 8, it is characterised in that the alarm includes short message alarm module, The short message alarm module is associated with terminal device, and the short message alarm module is connected with the processor, and the processor is used According to current value by the short message alarm module to the terminal device send SMS alarm information.
- 10. a kind of motor, it is characterised in that including the motor described in motor driven systems and claim 1-9 any one Protection device, the motor driven systems are connected with the electric motor protective device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720408719.8U CN206628817U (en) | 2017-04-18 | 2017-04-18 | A kind of electric motor protective device and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720408719.8U CN206628817U (en) | 2017-04-18 | 2017-04-18 | A kind of electric motor protective device and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206628817U true CN206628817U (en) | 2017-11-10 |
Family
ID=60205156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720408719.8U Expired - Fee Related CN206628817U (en) | 2017-04-18 | 2017-04-18 | A kind of electric motor protective device and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206628817U (en) |
-
2017
- 2017-04-18 CN CN201720408719.8U patent/CN206628817U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171110 Termination date: 20180418 |