CN206832424U - Electric vibration testing monitoring system - Google Patents
Electric vibration testing monitoring system Download PDFInfo
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- CN206832424U CN206832424U CN201720630562.3U CN201720630562U CN206832424U CN 206832424 U CN206832424 U CN 206832424U CN 201720630562 U CN201720630562 U CN 201720630562U CN 206832424 U CN206832424 U CN 206832424U
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- excitation
- electric vibration
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- exciting coil
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Abstract
Electric vibration table application field is the utility model is related to, discloses a kind of electric vibration testing monitoring system, the monitoring system includes electric vibration table, excitation regulation device, magnet exciting coil driving equipment, DC excitation power and power amplifier；Electric vibration table respectively with excitation regulation device and DC excitation power；Electric vibration table can send the working condition signal for the current working information for representing the electric vibration table to excitation regulation device；Excitation regulation device sends the first excitation control signal corresponding with working condition signal after working condition signal is received, to magnet exciting coil driving equipment；Magnet exciting coil driving equipment sends power supply signal corresponding with working condition signal after the first excitation control signal is received, to DC excitation power.The utility model is instructed by setting different excitation con-trols for different work informations, can be reduced the electric energy output to magnet exciting coil when needing relatively low excitation electric energy, save electric energy.
Description
Technical field
Electric vibration table application field is the utility model is related to, more particularly to a kind of electric vibration testing monitoring system.
Background technology
With space flight, aviation, the fast development of electronics industry, automobile, the various vibrations for instrument and equipments such as test components
Experimental rig is also growing.Shaketalle test is strong as analog vibration experimental enviroment, inspection equipment dependability and part
A kind of effective means of degree, during oneself performance and intensity through being widely used in equipment are identified.It is electronic to shake in all kinds of shake tables
Dynamic platform is gained great popularity with many advantages, such as its waveform is good, carrying scope is wide, working frequency range is wide, easy to control, is turned into and is widely used
A kind of shake table.
Motorized stage vibration test control system is typically by signal generator, power amplifier, vibration stage body, DC excitation electricity
Source and Measurement and Control System composition.The main function of each several part is：Signal generator produces the control signal required for shake table；
Power amplifier is amplified to signal, the electric current and voltage of the supply vibration enough power of stage body；DC excitation power is vibration
The dc source that platform is established required for powerful D.C. magnetic field provides；Vibration stage body is the vibration source of shake table, herein will production
Raw vibration, it includes the parts such as magnetic cylinder, driving coil, supporting system, magnet exciting coil, short-circuited conducting sleeve；Measurement and control system to
The size of measurement vibration value, and various controls are carried out to shake table.
Electric vibration table is the capital equipment of following vibration test, and its manufacturing technology can develop at two aspects：One
It is new diseases；Second, the application of new method.With the reduction of large-scale magnetic material cost, large-scale permanent magnetic vibration platform will
It is possibly realized, this shake table is simple in construction, and has high reliability.Control technology can use more digitlizations and modular
Circuit, volume is less and less, efficiency more and more higher.
Current is mostly uncontrollable in the electric vibration table DC excitation power used, and system is operationally protected always
Hold the state of high excitation.The pattern has that poor to the control accuracy of magnet exciting coil, power attenuation is big, not environmentally etc. many lacks
Fall into.In consideration of it, the excitation regulation device and its electric vibration testing monitoring system of a kind of electric vibration table how are designed, or to existing
The design of some exciter control systems improves, and is that person skilled is urgently in the industry to eliminate existing drawbacks described above
The problem solved.
Utility model content
The purpose of this utility model is to provide a kind of electric vibration testing monitoring system, can need relatively low excitation
During electric energy, the electric energy output to magnet exciting coil is reduced, saves electric energy.
In order to solve the above technical problems, embodiment of the present utility model discloses electric vibration testing monitoring system, bag
Include electric vibration table, excitation regulation device, magnet exciting coil driving equipment and DC excitation power；
Electric vibration table includes magnet exciting coil, connects respectively with excitation regulation device, DC excitation power and power amplifier
Connect；
Electric vibration table can send the operating mode for the current working information for representing the electric vibration table to excitation regulation device
Signal；
Excitation regulation device is sent corresponding with working condition signal after working condition signal is received to magnet exciting coil driving equipment
First excitation control signal；
Magnet exciting coil driving equipment is connected with DC excitation power, after the first excitation control signal is received, to direct current
Field power supply sends power supply signal corresponding with working condition signal；
After DC excitation power receives power supply signal, to magnet exciting coil provide corresponding with working condition signal exciting current or
Person's excitation voltage.
Compared with prior art, the main distinction and its effect are the utility model embodiment：
Instructed by setting different excitation con-trols for different work informations, relatively low excitation electric energy can needed
When, the electric energy output to magnet exciting coil is reduced, to save electric energy.
Further, user can select so that electric vibration table works in exciting current or voltage is constant as needed
Normal mode of operation works in saving operation mode.
Brief description of the drawings
Fig. 1 is the structural representation of the electric vibration testing monitoring system of the utility model first embodiment；
Fig. 2 is the structural representation of the electric vibration testing monitoring system of the utility model second embodiment；
Fig. 3 is the work of the excitation regulation device of the electric vibration testing monitoring system of the utility model second embodiment
Flow chart；
Fig. 4 is the workflow diagram of the electric vibration testing monitoring system of the utility model second embodiment.
Embodiment
In the following description, in order that reader more fully understands the application and proposes many ins and outs.But this
Even if the those of ordinary skill in field is appreciated that without these ins and outs and many variations based on following embodiment
And modification, each claim of the application technical scheme claimed can also be realized.
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
The embodiment of type is described in further detail.
First embodiment of the present utility model is related to electric vibration testing monitoring system.Fig. 1 is the electric vibration testing
The structural representation of monitoring system.
Specifically, as shown in figure 1, the system include electric vibration table, excitation regulation device, magnet exciting coil driving equipment,
DC excitation power and power amplifier；Electric vibration table includes magnet exciting coil, respectively with excitation regulation device and DC excitation
Power supply；The operating mode that electric vibration table can send the current working information for representing the electric vibration table to excitation regulation device is believed
Number；Excitation regulation device sends corresponding with working condition signal first after working condition signal is received, to magnet exciting coil driving equipment
Excitation control signal；Magnet exciting coil driving equipment is connected with DC excitation power, after the first excitation control signal is received, to
DC excitation power sends power supply signal corresponding with working condition signal；After DC excitation power receives power supply signal, to excitation
Coil provides corresponding with working condition signal exciting current or excitation voltage.
In addition, the electric vibration table monitoring system also includes power amplifier and vibrating controller, the vibrating controller
Vibration signal is sent to the power amplifier, the power amplifier amplifies shaking after the amplification is sent after the vibration signal
Dynamic signal gives the electric vibration table；And the work information includes the acceleration of the electric vibration table, the excitation wire
Vibration signal after the amplification for the power amplifier output that the temperature of circle and the electric vibration table receive.
In addition, excitation regulation device obtains working condition signal, received when the first operational mode for receiving user instructs
To after the second operational mode instruction of user, the second excitation con-trol corresponding with working condition signal is sent to magnet exciting coil driving equipment
Signal；Magnet exciting coil driving equipment sends constant power letter after the second excitation control signal is received to DC excitation power
Number, DC excitation power exports constant voltage or electric current to magnet exciting coil after constant power signal is received.
In addition, in each embodiment of the present utility model, work information also can interpolate that electric vibration table including other
Whether need to adjust the other specification that DC excitation power exports electric energy, current output valve, load weight such as DC excitation power
Amount etc., is not limited herein.
In addition, magnet exciting coil driving equipment includes field programmable gate array；Excitation regulation device includes man-machine interaction circle
Face and programmable logic controller (PLC), wherein, human-computer interaction interface is used to input operational mode instruction for user.
Further, it is to be appreciated that in each embodiment of the present utility model, magnet exciting coil driving equipment uses closed-loop control system
System, to improve tracking and positioning precision.
Instructed by setting different excitation con-trols for different work informations, relatively low excitation electric energy can needed
When, the electric energy output to magnet exciting coil is reduced, to save electric energy.
Second embodiment of the present utility model is related to a kind of electric vibration testing monitoring system.Fig. 2 is the electric vibrating
The structural representation of platform.Specifically, as shown in Fig. 2 the system includes ware circuit and electric control system two parts, its
In ware circuit mainly by electric vibration table (including shake table stage body and internally positioned magnet exciting coil), controllable direct current
Excitation voltage, power amplifier, controllable DC excitation voltage (including BUCK types DC-DC converter and based on FPGA driving dress
Put), vibrating controller, acceleration transducer, cooling system and excitation regulation device.Wherein BUCK types DC-DC converter is one
Kind direct current transducer, the drive device based on FPGA (field programmable gate array) are both magnet exciting coil driving equipments.BUCK types
DC-DC converter is used to provide excitation voltage and exciting current to the magnet exciting coil in shake table；Drive device based on FPGA
(inside the controllable DC excitation power), is connected with DC-DC converter, for receive the voltage/current signals of feedback with
And the voltage/current of current DC excitation power is calculated, and controlled according to the comparative result output driving of currency and preset value
Signal.
As shown in Figures 3 and 4, control the method for exciting current as follows in the system：
Stage body blower fan, DC excitation power, the power model of Vibration on Start-up platform successively first.Then opened by touch-screen
Gain switch, adjust gain size, the command signal that digital regulation resistance can provide according to touch-screen, calculate gain size.Then
Operational mode is selected by touch-screen, i.e. excitation regulation device can be according to the signal (i.e. operational mode instructs) received, operation
Excitation control method.At the same time, system can monitor whether faulty presence always, once faulty presence, can send immediately
Alarm, and gain switch is closed, stop power model, DC excitation power, stage body blower fan successively.If fault-free, follow again
Ring judges whether system breaks down.
Reference picture 4, in this embodiment, the mode of operation of two kinds of control magnet exciting coils is integrated, when described mode of operation
For normal mode when (excitation regulation device send the second excitation control signal), system will always be in higher excited work shape
State；When described mode of operation is energy saver mode (excitation regulation device send the first excitation control signal), system is by basis
The different work informations of shake table automatically adjust excitation voltage/electric current of magnet exciting coil.Run using energy saver mode, controller root
Multiple operation intervals (i.e. excited work section) are divided into according to the analog quantity parameter gathered, according to corresponding to each operation interval
Magnet exciting coil performance characteristics fit needed for offer excitation voltage/current curve.
Its specific implementation process is as follows：
1. operational mode selects：By touch screen interaction, normal mode or energy-conservation can be carried out to excitation con-trol pattern
The switching selection of pattern.
2. normal mode：Under normal mode, system will always be in higher excited work state, and touch-screen can real-time direct current
The voltage/current size of field power supply, but DC excitation power can not be adjusted manually.
3. energy saver mode：If run using energy saver mode, controller is divided into more according to the analog quantity parameter gathered
Individual operation interval, the performance characteristics of the magnet exciting coil according to corresponding to each operation interval fit needed for the excitation electricity that provides
Pressure/current curve.Three operation intervals are set under normal circumstances：High excitation section, middle excitation section, low excitation section, it is each
Operation interval all corresponds to different DC excitation power setting values.
4. logic fault is protected：In order to ensure the normal safe operation of shake table stage body, system be provided with blast switch protection,
Door switch protection, cross the devices such as displacement protection, oil pressure protection；When the system is operated after the triggering of these protection switch, system can be certainly
Dynamic alarm is simultaneously out of service.
5. parameters revision：Because analog signalses are by isolation conversion process, there can be slight error compared with actual value.
In order to system acquisition data accuracy, it is necessary to be corrected to these parameters.
Furthermore, it is to be understood that in each embodiment of the utility model, shake table refers to electric vibration table.
It should be noted that in the claim and specification of this patent, such as first and second or the like relation
Term is used merely to make a distinction an entity or operation with another entity or operation, and not necessarily requires or imply
Any this actual relation or order be present between these entities or operation.Moreover, term " comprising ", "comprising" or its
Any other variant is intended to including for nonexcludability so that process, method, article including a series of elements or
Equipment not only includes those key elements, but also the other element including being not expressly set out, or also include for this process,
Method, article or the intrinsic key element of equipment.In the absence of more restrictions, wanted by what sentence " including one " limited
Element, it is not excluded that other identical element in the process including the key element, method, article or equipment also be present.
Although by referring to some preferred embodiments of the present utility model, the utility model has been shown and
Description, but it will be understood by those skilled in the art that can to it, various changes can be made in the form and details, without inclined
From spirit and scope of the present utility model.
Claims (4)
1. a kind of electric vibration testing monitoring system, it is characterised in that including electric vibration table, excitation regulation device, excitation wire
Enclose driving equipment and DC excitation power；
The electric vibration table includes magnet exciting coil, respectively with the excitation regulation device, DC excitation power and power amplification
Device connects；
The electric vibration table can represent the current working information of the electric vibration table to excitation regulation device transmission
Working condition signal；
The excitation regulation device is sent and the work after the working condition signal is received to the magnet exciting coil driving equipment
First excitation control signal corresponding to condition signal；
The magnet exciting coil driving equipment is connected with the DC excitation power, is receiving first excitation control signal
Afterwards, power supply signal corresponding with the working condition signal is sent to the DC excitation power；
After the DC excitation power receives the power supply signal, provided to the magnet exciting coil corresponding with the working condition signal
Exciting current or excitation voltage.
2. electric vibration testing monitoring system as claimed in claim 1, it is characterised in that the system also includes power amplifier
And vibrating controller, the vibrating controller send vibration signal and amplify institute to the power amplifier, the power amplifier
The vibration signal after the amplification is sent after vibration signal is stated to the electric vibration table；And
The work information includes the acceleration of the electric vibration table, the temperature of the magnet exciting coil and the electric vibration table and connect
Vibration signal after the amplification of the power amplifier output received.
3. electric vibration testing monitoring system as claimed in claim 1, it is characterised in that the excitation regulation device is receiving
To user the first operational mode instruction when, obtain the working condition signal, receive user the second operational mode instruct after,
The second excitation control signal corresponding with the working condition signal is sent to the magnet exciting coil driving equipment；The magnet exciting coil drives
Dynamic equipment sends constant power signal after second excitation control signal is received to the DC excitation power.
4. electric vibration testing monitoring system as claimed any one in claims 1 to 3, it is characterised in that the excitation wire
Circle driving equipment includes field programmable gate array；
The excitation regulation device includes human-computer interaction interface and programmable logic controller (PLC), wherein, the human-computer interaction interface
For inputting operational mode instruction for user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720630562.3U CN206832424U (en) | 2017-06-02 | 2017-06-02 | Electric vibration testing monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720630562.3U CN206832424U (en) | 2017-06-02 | 2017-06-02 | Electric vibration testing monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206832424U true CN206832424U (en) | 2018-01-02 |
Family
ID=60772916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720630562.3U Active CN206832424U (en) | 2017-06-02 | 2017-06-02 | Electric vibration testing monitoring system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206832424U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082718A (en) * | 2020-08-13 | 2020-12-15 | 湖南盈晟电子科技有限公司 | Automatic excitation voltage adjusting method and system |
| CN112683472A (en) * | 2019-10-18 | 2021-04-20 | 深圳市重力东科电子设备有限公司 | Novel simple and easy electric vibration platform of closed-loop control industrial level |
-
2017
- 2017-06-02 CN CN201720630562.3U patent/CN206832424U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112683472A (en) * | 2019-10-18 | 2021-04-20 | 深圳市重力东科电子设备有限公司 | Novel simple and easy electric vibration platform of closed-loop control industrial level |
| CN112082718A (en) * | 2020-08-13 | 2020-12-15 | 湖南盈晟电子科技有限公司 | Automatic excitation voltage adjusting method and system |
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