CN109579968A - A kind of active damping balance - Google Patents
A kind of active damping balance Download PDFInfo
- Publication number
- CN109579968A CN109579968A CN201811472266.0A CN201811472266A CN109579968A CN 109579968 A CN109579968 A CN 109579968A CN 201811472266 A CN201811472266 A CN 201811472266A CN 109579968 A CN109579968 A CN 109579968A
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- CN
- China
- Prior art keywords
- electromagnet
- current transformer
- permanent magnet
- processor
- bracket
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/06—Means for damping oscillations, e.g. of weigh beams
- G01G23/10—Means for damping oscillations, e.g. of weigh beams by electric or magnetic means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention belongs to article weighing technology fields, and in particular to a kind of active damping balance.Processor and power supply are fixed on bracket, the sliding of bracket lower left side is inlayed there are two first leg, bracket lower right Slideslip is inlayed there are two the second supporting leg, each first leg bottom is mounted on the first vibrating sensor, first vibrating sensor is connect by the first data line with processor, each second supporting leg bottom is equipped with the second vibrating sensor, second vibrating sensor is connect by the second data line with processor, the top of each first leg is equipped with the first permanent magnet, the top of each second supporting leg is equipped with the second permanent magnet, first electromagnet is installed on bracket, and it is opposite with the first permanent magnet, second electromagnet is installed on bracket, and it is opposite with the second permanent magnet.The present invention can implement the gap between adjustment supporting leg and bracket during weighing according to the frequency and amplitude of vibration, vibrate bracket with the vibration of supporting leg, to achieve the purpose that accurate weighing.
Description
Technical field
The invention belongs to article weighing technology fields, and in particular to a kind of active damping balance.
Background technique
Currently, the high accuracy balance used under vibration is all using the side for increasing cushion blocking for accurate weighing
Formula is vibrated to be isolated, but this mode is difficult to completely isolated vibration, can only reduce the vibration for being transferred to Weighing module, and work as amplitude
When larger, the vibration for being transferred to Weighing module also can be larger, the data distortion for causing balance to weigh.
Summary of the invention
The purpose of the present invention is to provide a kind of active damping balance, with solve balance cannot completely isolated vibration ask
Topic.
In order to achieve the above objectives, the technical solution used in the present invention are as follows:
A kind of active damping balance, processor and power supply are fixed on bracket, bracket lower left side sliding inlay there are two
First leg, bracket lower right Slideslip are inlayed there are two the second supporting leg, and each first leg bottom is mounted on the first vibration
Sensor, the first vibrating sensor are connect by the first data line with processor, and each second supporting leg bottom is equipped with the second vibration
Dynamic sensor, the second vibrating sensor are connect by the second data line with processor, and the top of each first leg is equipped with the
One permanent magnet, the top of each second supporting leg are equipped with the second permanent magnet, and the first electromagnet is installed on bracket, and forever with first
Magnet is opposite, and the second electromagnet is installed on bracket, and opposite with the second permanent magnet；Power supply line powers on and the first electromagnet
And second electromagnet, the end of incoming cables of the first current transformer are connect with power supply line, the leading-out terminal of the first current transformer and the first electromagnet
End of incoming cables connection, the control terminal of the first current transformer connect with processor by third data line, and the first current transformer, which controls, supplies the
The end of incoming cables of the size of current of one electromagnet, the second current transformer is connect with power supply line, the leading-out terminal of the second current transformer and the second electricity
The end of incoming cables of magnet connects, and the control terminal of the second current transformer is connect with processor by third data line, the control of the second current transformer
Supply the size of current of the second electromagnet；Processor is used to control the first current transformer and the second current transformer；Pressure sensor is fixed
In on bracket, pallet is fixed on pressure sensor.
When weighing, when the amplitude of vibration is positive value, first leg and the second supporting leg tend to run up, and the first vibration passes
Sensor and the second vibrating sensor are by detected amplitude and frequency real-time delivery to processor, and processor is according to received by
Data, export corresponding control signal, the first current transformer and the second current transformer, the first unsteady flow passed to by third data line
After device and the second current transformer receive control signal, reduce the electric current of supply the first electromagnet and the second electromagnet, to reduce
The repulsive force between repulsive force and the second electromagnet and the second permanent magnet between first electromagnet and the first permanent magnet, to subtract
The gap between gap and the second electromagnet and the second permanent magnet between small first electromagnet and the first permanent magnet, makes the branch
Frame keeps original position.
When weighing, when the amplitude of vibration is negative value, first leg and the second supporting leg tend to run down, and the first vibration passes
Sensor and the second vibrating sensor are by detected amplitude and frequency real-time delivery to processor, and processor is according to received by
Data, export corresponding control signal, the first current transformer and the second current transformer, the first unsteady flow passed to by third data line
After device and the second current transformer receive control signal, increase the electric current of supply the first electromagnet and the second electromagnet, to increase
The repulsive force between repulsive force and the second electromagnet and the second permanent magnet between first electromagnet and the first permanent magnet, to increase
The gap between gap and the second electromagnet and the second permanent magnet between big first electromagnet and the first permanent magnet, makes the branch
Frame keeps original position.
It is obtained by the present invention to have the beneficial effect that
It is connected between balance supporting leg and balance bracket using electromagnetic flexible.Processor is real-time according to the size and frequency of amplitude
The size of electromagnetic force is adjusted, to make the gap between supporting leg and bracket according to the size and frequency real-time change of amplitude, is realized
The purpose that bracket is not vibrated with extraneous vibration.It, can be according to vibration during weighing using this active damping balance
Frequency and amplitude implement the gap between adjustment supporting leg and bracket, vibrate bracket with the vibration of supporting leg, to reach essence
The purpose really weighed.
Detailed description of the invention
Fig. 1 is active damping balance structure chart；
In figure: 1- processor；The first data line of 2-；The first vibrating sensor of 3-；4- first leg；The first permanent magnet of 5-；
The first electromagnet of 6-；7- bracket；8- pallet；9- pressure sensor；The second electromagnet of 10-；The second permanent magnet of 11-；12- second
Leg；The second vibrating sensor of 13-；The second data line of 14-；15- third data line；16- power supply line；The first current transformer of 17-；18-
Power supply；The second current transformer of 19-.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, active damping balance of the present invention, including processor 1, the first data line 2, the first vibrating sensing
Device 3, first leg 4, the first permanent magnet 5, the first electromagnet 6, bracket 7, pallet 8, pressure sensor 9, the second electromagnet 10,
Two permanent magnets 11, the second supporting leg 12, the second vibrating sensor 13, the second data line 14, third data line 15, power supply line 16,
One current transformer 17, power supply 18 and the second current transformer 19.
The processor 1 and the power supply 18 are fixed on the bracket 7,7 lower left side of bracket sliding inlay there are two
First leg 4,7 lower right Slideslip of bracket are inlayed there are two the second supporting leg 12, and each 4 bottom of first leg is mounted on first
Vibrating sensor 3, the first vibrating sensor 3 are connect by the first data line 2 with the processor 1, each second supporting leg, 12 bottom
Portion is equipped with the second vibrating sensor 13, and the second vibrating sensor 13 is connect by the second data line 14 with the processor 1, often
The top of a first leg 4 is equipped with the first permanent magnet 5, and the top of each second supporting leg 12 is equipped with the second permanent magnet 11, institute
It states the first electromagnet 6 to be installed on the bracket 7, and opposite with first permanent magnet 5, second electromagnet 10 is installed on
On the bracket 7, and it is opposite with second permanent magnet 11；The power supply line 16 connects the power supply 18 and first electromagnetism
Iron 6 and the second electromagnet 10 are powered to the first electromagnet 6 and the second electromagnet 10, the end of incoming cables of first current transformer 17 and
Power supply line 16 connects, and the leading-out terminal of the first current transformer 17 is connect with the end of incoming cables of the first electromagnet 6, the control of the first current transformer 17
End is connect with processor 1 by third data line 15, the size of current of the first current transformer 17 control the first electromagnet 6 of supply, institute
The end of incoming cables for stating the second current transformer 19 is connect with power supply line 16, the inlet wire of the leading-out terminal of the second current transformer 19 and the second electromagnet 10
The control terminal of end connection, the second current transformer 19 is connect with processor 1 by third data line 15, the control supply of the second current transformer 19
The size of current of second electromagnet 10；Processor 1 is used to control the first current transformer 17 and the second current transformer 19；The pressure sensing
Device 9 is fixed on the bracket 7, and for weighing the weight of article, the pallet 8 is fixed on the pressure sensor 9, pressure
Sensor 9 is used to measure the quality of alleged object.
When weighing, when the amplitude of vibration is positive value, first leg 4 and the second supporting leg 12 tend to run up, the first vibration
Dynamic sensor 3, the second vibrating sensor 13 are by detected amplitude, frequency real-time delivery to processor 1,1 basis of processor
Received data export corresponding control signal, pass to the first current transformer 17 and second by third data line 15 and become
Device 19 is flowed, after the first current transformer 17 and the second current transformer 19 receive control signal, reduces the first electromagnet of supply 6 and the second electricity
The electric current of magnet 10, to reduce the repulsive force and the second electromagnet 10 and second between the first electromagnet 6 and the first permanent magnet 5
Repulsive force between permanent magnet 11, to reduce the gap between the first electromagnet 6 and the first permanent magnet 5 and the second electromagnet 10
With the gap between the second permanent magnet 11, the bracket 7 is made to keep original position.
When weighing, when the amplitude of vibration is negative value, first leg 4 and the second supporting leg 12 tend to run down, the first vibration
Dynamic sensor 3, the second vibrating sensor 13 are by detected amplitude, frequency real-time delivery to processor 1,1 basis of processor
Received data export corresponding control signal, pass to the first current transformer 17 and second by third data line 15 and become
Device 19 is flowed, after the first current transformer 17 and the second current transformer 19 receive control signal, increases the first electromagnet of supply 6 and the second electricity
The electric current of magnet 10, to increase the repulsive force and the second electromagnet 10 and second between the first electromagnet 6 and the first permanent magnet 5
Repulsive force between permanent magnet 11, to increase the gap between the first electromagnet 6 and the first permanent magnet 5 and the second electromagnet 10
With the gap between the second permanent magnet 11, the bracket 7 is made to keep original position.
Claims (3)
1. a kind of active damping balance, it is characterised in that: processor and power supply are fixed on bracket, bracket lower left side sliding edge
It is embedding there are two first leg, bracket lower right Slideslip inlays that there are two the second supporting legs, and each first leg bottom is mounted on
First vibrating sensor, the first vibrating sensor are connect by the first data line with processor, the installation of each second supporting leg bottom
There is the second vibrating sensor, the second vibrating sensor is connect by the second data line with processor, the top of each first leg
First permanent magnet is installed, the top of each second supporting leg is equipped with the second permanent magnet, and the first electromagnet is installed on bracket, and
Opposite with the first permanent magnet, the second electromagnet is installed on bracket, and opposite with the second permanent magnet；Power supply line powers on and
One electromagnet and the second electromagnet, the end of incoming cables of the first current transformer are connect with power supply line, the leading-out terminal of the first current transformer and first
The end of incoming cables of electromagnet connects, and the control terminal of the first current transformer is connect with processor by third data line, the first current transformer control
The size of current of system the first electromagnet of supply, the end of incoming cables of the second current transformer are connect with power supply line, the leading-out terminal of the second current transformer
It is connect with the end of incoming cables of the second electromagnet, the control terminal of the second current transformer is connect with processor by third data line, and second becomes
Flow the size of current of device control the second electromagnet of supply；Processor is used to control the first current transformer and the second current transformer；Pressure passes
Sensor is fixed on bracket, and pallet is fixed on pressure sensor.
2. active damping balance according to claim 1, it is characterised in that: when weighing, when the amplitude of vibration is positive value,
First leg and the second supporting leg tend to run up, and the first vibrating sensor and the second vibrating sensor are by detected amplitude
With frequency real-time delivery to processor, data, the corresponding control signal of output pass through third number to processor based on the received
The first current transformer and the second current transformer is passed to after the first current transformer and the second current transformer receive control signal according to line to reduce
Supply the electric current of the first electromagnet and the second electromagnet, thus reduce repulsive force between the first electromagnet and the first permanent magnet and
Repulsive force between second electromagnet and the second permanent magnet, thus reduce gap between the first electromagnet and the first permanent magnet and
Gap between second electromagnet and the second permanent magnet makes the bracket keep original position.
3. active damping balance according to claim 1, it is characterised in that: when weighing, when the amplitude of vibration is negative value,
First leg and the second supporting leg tend to run down, and the first vibrating sensor and the second vibrating sensor are by detected amplitude
With frequency real-time delivery to processor, data, the corresponding control signal of output pass through third number to processor based on the received
The first current transformer and the second current transformer is passed to after the first current transformer and the second current transformer receive control signal according to line to increase
Supply the electric current of the first electromagnet and the second electromagnet, thus increase repulsive force between the first electromagnet and the first permanent magnet and
Repulsive force between second electromagnet and the second permanent magnet, thus increase gap between the first electromagnet and the first permanent magnet and
Gap between second electromagnet and the second permanent magnet makes the bracket keep original position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811472266.0A CN109579968A (en) | 2018-12-04 | 2018-12-04 | A kind of active damping balance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811472266.0A CN109579968A (en) | 2018-12-04 | 2018-12-04 | A kind of active damping balance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109579968A true CN109579968A (en) | 2019-04-05 |
Family
ID=65926921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811472266.0A Pending CN109579968A (en) | 2018-12-04 | 2018-12-04 | A kind of active damping balance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109579968A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1229988A (en) * | 1998-03-25 | 1999-09-29 | 国际商业机器公司 | Dual mode auto-balancer for DVD drives |
| CN102606673A (en) * | 2012-03-26 | 2012-07-25 | 湖南大学 | Load-bearing adjustable zero-stiffness electromagnetic vibration isolator and control method thereof |
| CN205719190U (en) * | 2016-06-28 | 2016-11-23 | 云南师范大学 | A kind of balance |
| CN207066560U (en) * | 2017-09-04 | 2018-03-02 | 周心悦 | A kind of physical and chemical experiment high strength vibration damping formula balance |
| CN207717198U (en) * | 2018-01-11 | 2018-08-10 | 吉林大学 | Vibrationproof balance |
-
2018
- 2018-12-04 CN CN201811472266.0A patent/CN109579968A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1229988A (en) * | 1998-03-25 | 1999-09-29 | 国际商业机器公司 | Dual mode auto-balancer for DVD drives |
| CN102606673A (en) * | 2012-03-26 | 2012-07-25 | 湖南大学 | Load-bearing adjustable zero-stiffness electromagnetic vibration isolator and control method thereof |
| CN205719190U (en) * | 2016-06-28 | 2016-11-23 | 云南师范大学 | A kind of balance |
| CN207066560U (en) * | 2017-09-04 | 2018-03-02 | 周心悦 | A kind of physical and chemical experiment high strength vibration damping formula balance |
| CN207717198U (en) * | 2018-01-11 | 2018-08-10 | 吉林大学 | Vibrationproof balance |
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Application publication date: 20190405 |
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| RJ01 | Rejection of invention patent application after publication |