CN109029885A - The stage body temperature of electric vibration table measures and overheat protecting system - Google Patents
The stage body temperature of electric vibration table measures and overheat protecting system Download PDFInfo
- Publication number
- CN109029885A CN109029885A CN201810783444.5A CN201810783444A CN109029885A CN 109029885 A CN109029885 A CN 109029885A CN 201810783444 A CN201810783444 A CN 201810783444A CN 109029885 A CN109029885 A CN 109029885A
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- China
- Prior art keywords
- temperature
- host computer
- stage body
- magnet exciting
- exciting coil
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/025—Measuring arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/026—Means for indicating or recording specially adapted for thermometers arrangements for monitoring a plurality of temperatures, e.g. by multiplexing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/028—Means for indicating or recording specially adapted for thermometers arrangements for numerical indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/022—Vibration control arrangements, e.g. for generating random vibrations
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
A kind of stage body temperature measurement of electric vibration table and overheat protecting system, including temperature collecting cell, measurement and control of temperature unit and cooling unit；Temperature collecting cell includes multiple temperature measurement devices, is respectively positioned in each heat generating components of stage body, i.e., moving coil winding, short-circuited conducting sleeve, magnet steel ring upper and lower magnet exciting coil；Each temperature measurement device is at least positioned at: the surface of moving coil winding, the surface of short-circuited conducting sleeve, upper magnet exciting coil gap in, in the gap of lower magnet exciting coil；Measurement and control of temperature unit includes control circuit and host computer, and each temperature measurement device will collect temperature data uploading into host computer in real time by control circuit；Cooling unit includes the flow regulator of cooling working medium, and flow regulator is electrically connected host computer.The present invention can accurately and inside real-time measurement stage body each heat generating components temperature, can take increase that the measures such as cooling working medium flow guarantee experiment to be normally carried out the reliability improved work efficiency with equipment in time when the temperature rises.
Description
Technical field
The present invention relates to vibration test technical fields, and in particular to a kind of measurement of stage body temperature and overheat of electric vibration table
Protection system.
Background technique
Electric vibration table is a kind of testing equipment of analog vibration mechanical environment.At work, the magnet exciting coil in stage body
DC voltage is passed to generate magnetic field, magnetic field is in a saturated state when excitation voltage maximum, and magnet exciting coil can generate at this time
Very big calorific value；At work, the moving-coil in stage body passes to alternating current, since moving-coil is in the stationary magnetic field that magnet exciting coil provides
Middle movement can also generate certain heat.Heat caused by stage body and moving-coil is undoubtedly for vibration test when these work
It does harm rather than good, if the bad service life that will directly affect shake table of cooling cooling effect, therefore all electric vibration tables
It is designed with cooling device, and overheating protection is equipped with to stage body simultaneously.
In the prior art, air-cooled and two kinds of types of cooling of water cooling are generally included.
Wherein, air-cooled type is typically employed in sticking temperature relay (i.e. thermistor) on the magnet exciting coil inside stage body and makees
Negative pressure switch detection wind pressure is installed at stage body air outlet as temperature detection device for temperature detection device, or use, or
The combined mode of both persons.
Water-cooled be typically employed in table body moving coil, magnet exciting coil, short-circuited conducting sleeve intake-outlet different temperature measurements are installed
Device detection water temperature issues heat alarm when water temperature is more than permissible value.
In actual use, air-cooled to have the following problems: due to excitation winding pole coil, moving coil winding coil and center magnetic
The gap of pole and the gap very little (generally in 2 ~ 3mm) of short-circuited conducting sleeve, therefore in order to keep the smooth and system in air duct to couple
Reasonable clearance, multiple temperature measurement devices can not be installed detect excitation winding, moving coil winding, short-circuited conducting sleeve temperature information, limit
The installation site and quantity for having made temperature measurement device can only meet basic overheating protection demand, can not real-time and precise grasp
Each part temperatures information, poor reliability.Water-cooled the problem is that: in stage body, for the ease of coiling, excitation winding and dynamic
The pipeline of two-way or more is usually taken in the water route of circle winding, since the length and inlet and outlet effective sectional area of pipeline are difficult to accomplish
Unanimously, therefore it will cause water flow difference between winding.
In addition, during the work time, temperature measurement device is in the big occasion of magnetic induction intensity, due to depositing for magnetization effect
So that sensor often damages.It based on the above situation, obviously cannot be to system using temperature measurement device testboard temperature
It is effectively detected and is protected.
Therefore, above-mentioned the shortcomings of the prior art how is solved, is become as the project of the invention to be researched and solved.
Summary of the invention
The purpose of the present invention is to provide a kind of measurement of the stage body temperature of electric vibration table and overheat protecting systems.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of stage body temperature measurement of electric vibration table and overheat protecting system, including temperature collecting cell, measurement and control of temperature unit
And cooling unit；
The temperature collecting cell includes multiple temperature measurement devices, and each temperature measurement device is positioned at each fever of stage body
In component；The heat generating components includes the upper magnet exciting coil and lower magnet exciting coil of moving coil winding, short-circuited conducting sleeve and magnet steel ring；Each institute
It states temperature measurement device and is at least positioned at following position:
The surface of the moving coil winding, the surface of the short-circuited conducting sleeve, the upper magnet exciting coil gap in, the lower magnet exciting coil
Gap in；
The measurement and control of temperature unit includes control circuit and host computer, and the control circuit electrically connects the host computer；It is each described
Temperature measurement device is electrically connected to the control circuit, and will collect temperature data uploading to described in real time by control circuit
In host computer；
The cooling unit includes the flow regulator of cooling working medium, and the flow regulator is electrically connected the host computer.
Related content in above-mentioned technical proposal is explained as follows:
1. in above scheme, the analog quantity for the temperature value that the control circuit can measure each thermocouple wire carries out power amplification simultaneously
Carrying out, which becomes digital quantity after analog-to-digital conversion, is uploaded to the host computer, and the host computer is by dynamic temperature data and preset value
It compares, judges whether that temperature is excessively high.
It, can be according to the numerical value of detection temperature 2. in above scheme, the flow regulator can be the devices such as regulating valve
Real-time controlling opening of valve carries out real-time control to the flow and flow rate of cooling working medium, to guarantee the temperature of each heat generating components of stage body
It spends not exceeded.
3. in above scheme, the temperature measurement device is thermocouple wire.It is preferred that diameter 1mm thermocouple wire below, by
It is small in size in having the characteristics that, not only facilitated installation, but also do not influence system radiating.
The surface that high temperature resistant sticker is sticked to heat generating components can be selected in the mounting means of thermocouple wire；Since thermocouple wire is pacified
The characteristic that dress face occupies little space, therefore multiple thermocouple wires can be installed in each heat generating components to guarantee measurement accuracy.
4. in above scheme, the host computer has a display device, for showing what each temperature measurement device detected
Real time temperature.When the temperature exceeding standard of one or more heat generating components, specific aim mark display can be also carried out, to remind work people
The operating temperature of which heat generating components of member is above standard temperature.
5. in above scheme, upper one warning circuit of mechatronics, for issuing alarm when the temperature is excessively high when detection
Signal.Therefore, in addition to temperature signal that thermocouple wire is acquired carry out numerical value show and other than, can also be more than mark in temperature value
Temperature alarm is directly carried out when quasi- value.
6. in above scheme, the temperature measurement device can be also positioned at the import and export of cooling working medium.Consequently facilitating work
Make personnel and grasp the temperature information of cooling working medium, and then grasp the cooling effect of stage body heat generating components, helps to judge whether to need
Adjust the flow and flow rate of cooling working medium.
The working principle of the invention and advantage are as follows:
The present invention by the heat generating components in stage body, as moving coil winding surfaces externally and internally, short-circuit ring surface, upper magnet exciting coil between
In gap, the medium exemplary position in the gap of lower magnet exciting coil multiple temperature measurement devices are installed.Moving coil winding, upper excitation when stage body
After coil and lower magnet exciting coil are started to work, temperature measurement device is measured in real time the temperature of each heat generating components, and passes through
Temperature value signal is sent to host computer by control circuit, and the latter remembers the temperature value signal from each road temperature measurement device
Record and handle laggard trip temperature real-time display and system control.
In the course of work of system, when certain is all the way or when the more preset standard value of multi way temperature value signal obviously rises,
Cooling unit can be controlled by system increase the flow of the cooling working medium of stage body (such as cooling gas or cooling liquid) (and flow
Speed), to reduce the temperature of corresponding position；When certain all the way or multi way temperature value signal be more than preset permissible value when, host computer can
It alarms and provides stopping signal, while showing the temperature channel of overheat, indicating positions.
The present invention has the advantage that compared with prior art and effect:
1, the temperature of each heat generating components inside accurate and real-time measurement stage body, to verifying system design objective and system experimentation
Status monitoring provides reliable reference；
2, the measures such as the cooling working medium flow of increase can be taken in time when operating temperature increases, ensure that experiment it is normal into
Row, has very big realistic meaning, improves work efficiency the reliability with equipment；
3, it is damaged since thermocouple wire is not easy affected by environment, the present invention also has the overheating protection of system highly reliable
Property and accuracy.
Detailed description of the invention
Attached drawing 1 is the vertical section structure schematic diagram of the embodiment of the present invention；
Attached drawing 2 is the decomposition explosion figure of the embodiment of the present invention；
Attached drawing 3 is the structural schematic diagram of moving-coil of the embodiment of the present invention；
Attached drawing 4 is the structural schematic diagram of magnet steel of embodiment of the present invention ring；
Attached drawing 5 is the partial enlargement diagram in Fig. 4 at A；
Attached drawing 6 is the structural principle block diagram of the embodiment of the present invention.
In the figures above: 1. thermocouple wires；2. moving-coil；3. the winding of moving-coil；4. short-circuited conducting sleeve；5. magnet steel ring；Excitation on 6.
Coil；7. lower magnet exciting coil；8. gap；9. top crown；10. bottom crown.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and embodiments:
Embodiment: referring to shown in attached drawing 1 ~ 6, a kind of stage body temperature measurement of electric vibration table and overheat protecting system, including temperature
Spend acquisition unit, measurement and control of temperature unit and cooling unit.
The temperature collecting cell includes multiple temperature measurement devices, the temperature measurement device preferred thermoelectric thermo wires 1, respectively
The thermocouple wire 1 is positioned in each heat generating components of stage body；The heat generating components include the winding 3 of moving-coil 2, short-circuited conducting sleeve 4 with
And the upper magnet exciting coil 6 and lower magnet exciting coil 7 of magnet steel ring 5；Each thermocouple wire 1 is at least positioned at following position:
The inner surface of 2 winding 3 of moving-coil and outer surface, the surface of the short-circuited conducting sleeve 4, the upper magnet exciting coil 6 gap 8
In, in the gap 8 of the lower magnet exciting coil 7；The gap 8 refers specifically to the gap between horizontal direction adjacent turn coil,
Its purposes can be used as cooling duct.
As shown in fig. 6, the measurement and control of temperature unit includes control circuit and host computer, the control circuit electrically connects described
Host computer；Each thermocouple wire 1 is electrically connected to the control circuit, and will collect temperature data in real time by control circuit
It is uploaded in the host computer.Specifically, the analog quantity for the temperature value that the control circuit can measure each thermocouple wire 1 carries out
Power amplification and carrying out becomes digital quantity after analog-to-digital conversion and is uploaded to the host computer, and the host computer is by dynamic temperature number
It is compared according to preset value, judges whether that temperature is excessively high.
The cooling unit includes the flow regulator of cooling working medium, and the flow regulator electrical connection is described upper
Machine.Flow regulator can such as regulating valve device, can according to detection temperature the real-time controlling opening of valve of numerical value, to bosher
The flow and flow rate of matter carries out real-time control, and the temperature to guarantee each heat generating components of stage body is not exceeded.
Wherein, preferred diameter 1mm thermocouple wire below, it is small in size due to having the characteristics that, not only facilitated installation, but also not shadow
Acoustic system heat dissipation.
The surface that high temperature resistant sticker is sticked to heat generating components can be selected in the mounting means of thermocouple wire 1；Since thermocouple wire is pacified
The characteristic that dress face occupies little space, therefore multiple thermocouple wires 1 can be installed in each heat generating components to guarantee measurement accuracy.
Wherein, the host computer has a display device, the real time temperature detected for showing each temperature measurement device.
When the temperature exceeding standard of one or more heat generating components, specific aim mark display can be also carried out, which hair of staff reminded
The operating temperature of thermal part is above standard temperature.
The host computer can also be electrically connected a warning circuit, for issuing alarm signal when the temperature is excessively high when detection.Therefore,
In addition to temperature signal that thermocouple wire 1 is acquired carry out numerical value show and other than, can also be straight when temperature value is above standard and is worth
Tap into row temperature alarm.
The thermocouple wire 1 can also be positioned at the import and export of cooling working medium (non-attached drawing shows).Consequently facilitating staff
The temperature information of cooling working medium is grasped, and then grasps the cooling effect of stage body heat generating components, helps to judge whether to need to adjust
The flow and flow rate of cooling working medium.
The stage body further includes top crown 9 and bottom crown 10.
Now the working principle of the invention is described as follows:
The present invention by the heat generating components in stage body, as moving coil winding surfaces externally and internally, short-circuit ring surface, upper magnet exciting coil between
In gap, in the gap of lower magnet exciting coil and the exemplary positions such as the import and export of cooling working medium install multiple thermocouple wires as temperature
Spend measurement device.
After the moving coil winding of stage body, upper magnet exciting coil and lower magnet exciting coil are started to work, thermocouple wire is to each heat generating components
Temperature be measured in real time, and temperature value signal is sent to by host computer by control circuit, the latter is to coming from each road thermoelectricity
The temperature value signal of thermo wires is recorded and is handled laggard trip temperature real-time display and system control.
In the course of work of system, when certain is all the way or when the more preset standard value of multi way temperature value signal obviously rises,
Flow or stream that cooling unit increases the cooling working medium of stage body (such as cooling gas or cooling liquid) can be controlled by system
Amount and flow velocity, to reduce the temperature of corresponding position；When certain all the way or multi way temperature value signal be more than preset permissible value when, it is upper
Machine can alarm and provide stopping signal, while show the temperature channel of overheat, indicating positions.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of stage body temperature of electric vibration table measures and overheat protecting system, it is characterised in that:
Including temperature collecting cell, measurement and control of temperature unit and cooling unit；
The temperature collecting cell includes multiple temperature measurement devices, and each temperature measurement device is positioned at each fever of stage body
In component；The heat generating components includes the upper magnet exciting coil and lower magnet exciting coil of moving coil winding, short-circuited conducting sleeve and magnet steel ring；Each institute
It states temperature measurement device and is at least positioned at following position:
The surface of the moving coil winding, the surface of the short-circuited conducting sleeve, the upper magnet exciting coil gap in, the lower magnet exciting coil
Gap in；
The measurement and control of temperature unit includes control circuit and host computer, and the control circuit electrically connects the host computer；It is each described
Temperature measurement device is electrically connected to the control circuit, and will collect temperature data uploading to described in real time by control circuit
In host computer；
The cooling unit includes the flow regulator of cooling working medium, and the flow regulator is electrically connected the host computer.
2. system according to claim 1, it is characterised in that: the temperature measurement device is thermocouple wire.
3. system according to claim 1, it is characterised in that: the host computer has a display device, each for showing
The real time temperature that temperature measurement device detects.
4. system according to claim 1, it is characterised in that: upper one warning circuit of mechatronics, for when inspection
Alarm signal is issued when testing temperature is excessively high.
5. system according to claim 1, it is characterised in that: the temperature measurement device can also be positioned at cooling working medium
At import and export.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810783444.5A CN109029885A (en) | 2018-07-17 | 2018-07-17 | The stage body temperature of electric vibration table measures and overheat protecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810783444.5A CN109029885A (en) | 2018-07-17 | 2018-07-17 | The stage body temperature of electric vibration table measures and overheat protecting system |
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| Publication Number | Publication Date |
|---|---|
| CN109029885A true CN109029885A (en) | 2018-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810783444.5A Pending CN109029885A (en) | 2018-07-17 | 2018-07-17 | The stage body temperature of electric vibration table measures and overheat protecting system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146185A (en) * | 2019-05-22 | 2019-08-20 | 苏州东菱振动试验仪器有限公司 | A kind of moving-coil structure with temperature measuring equipment |
| CN114739613A (en) * | 2022-05-17 | 2022-07-12 | 湖南盈晟电子科技有限公司 | Temperature adjusting method and preparation method of vibrating table body |
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| CN101071080A (en) * | 2007-04-30 | 2007-11-14 | 苏州东菱振动试验仪器有限公司 | Driving coil contactless temperature-measuring method and device |
| CN201126396Y (en) * | 2007-12-07 | 2008-10-01 | 苏州试验仪器总厂 | Water-cooled electric vibration table catenation protective equipment |
| CN107607278A (en) * | 2017-09-01 | 2018-01-19 | 苏州东菱振动试验仪器有限公司 | A kind of energy-saving and noise-reducing control method and device of shake table |
| CN207351641U (en) * | 2017-10-10 | 2018-05-11 | 上海汇博精工电子科技有限公司 | A kind of shake table |
| CN208621275U (en) * | 2018-07-17 | 2019-03-19 | 苏州苏试试验集团股份有限公司 | The stage body temperature of electric vibration table measures and overheat protecting system |
-
2018
- 2018-07-17 CN CN201810783444.5A patent/CN109029885A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101071080A (en) * | 2007-04-30 | 2007-11-14 | 苏州东菱振动试验仪器有限公司 | Driving coil contactless temperature-measuring method and device |
| CN201126396Y (en) * | 2007-12-07 | 2008-10-01 | 苏州试验仪器总厂 | Water-cooled electric vibration table catenation protective equipment |
| CN107607278A (en) * | 2017-09-01 | 2018-01-19 | 苏州东菱振动试验仪器有限公司 | A kind of energy-saving and noise-reducing control method and device of shake table |
| CN207351641U (en) * | 2017-10-10 | 2018-05-11 | 上海汇博精工电子科技有限公司 | A kind of shake table |
| CN208621275U (en) * | 2018-07-17 | 2019-03-19 | 苏州苏试试验集团股份有限公司 | The stage body temperature of electric vibration table measures and overheat protecting system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146185A (en) * | 2019-05-22 | 2019-08-20 | 苏州东菱振动试验仪器有限公司 | A kind of moving-coil structure with temperature measuring equipment |
| CN114739613A (en) * | 2022-05-17 | 2022-07-12 | 湖南盈晟电子科技有限公司 | Temperature adjusting method and preparation method of vibrating table body |
| CN114739613B (en) * | 2022-05-17 | 2024-10-22 | 湖南盈晟电子科技有限公司 | Vibration table body temperature adjusting method |
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