CN207964949U - Dielectric substance microwave property test device - Google Patents
Dielectric substance microwave property test device Download PDFInfo
- Publication number
- CN207964949U CN207964949U CN201720516268.XU CN201720516268U CN207964949U CN 207964949 U CN207964949 U CN 207964949U CN 201720516268 U CN201720516268 U CN 201720516268U CN 207964949 U CN207964949 U CN 207964949U
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- China
- Prior art keywords
- heating furnace
- temperature sensor
- resonant cavity
- heat insulating
- constant temperature
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Abstract
The utility model provides a kind of dielectric substance microwave property test device, including material transferring bar, resonant cavity, the first heat insulating belt, constant temperature chamber, the second heat insulating belt, heating furnace, driving mechanism, vector network analyzer, master controller, Heating Furnace Control device, the first temperature sensor in resonant cavity, the second temperature sensor in constant temperature chamber, the third temperature sensor in heating furnace；Wherein, resonant cavity is connect by the first heat insulating belt, constant temperature chamber, the second heat insulating belt with heating furnace；The free end of material transferring bar can extend to heating furnace and penetrate through heat insulating belt and constant temperature chamber arrival resonant cavity, and the other end is fixedly connected with driving mechanism；Master controller is connect with vector network analyzer, Heating Furnace Control instrument, driving mechanism and temperature sensor respectively, and vector network analyzer is connect with resonant cavity, and Heating Furnace Control instrument is connect with the heating furnace.The utility model can measure dielectric constant when material temperature variation in real time, and it is accurate to test effect.
Description
Technical field
The utility model belongs to dielectric substance technical field of measurement and test more particularly to a kind of dielectric substance microwave property is surveyed
Trial assembly is set.
Background technology
Dielectric property is the extremely important speciality of dielectric substance.In practical applications, the dielectric constant of dielectric substance
It is very important parameter with dielectric loss.It manufactures different devices and needs different dielectric constants and loss factor.Medium damages
Consumption and dielectric constant are an important physical properties of the ceramics such as various electroceramics, ceramic for mounting purposes, capacitor, by measuring medium damage
Angle tangent tan δ and permittivity ε are consumed, can further appreciate that the various factors for influencing dielectric loss and dielectric constant, to improve
The performance of material provides foundation.
Dielectric substance is widely used, and the accurate dielectric property for understanding dielectric material is very important.Dielectric material at present
The dielectric property of material is to measure at normal temperatures mostly, might not be applicable in the use environment with dielectric material, be situated between under room temperature
The case where dielectric property of electric material can not reflect dielectric material at different temperatures completely.
In view of the above problems, also having made many improvement in the prior art, as Chinese patent notification number CN204666730U exists
Heating furnace is set on material dielectric constant temperature variation testing instrument, and sample to be tested is sent into heating stove heat, heating temperature by transmission device
Degree is monitored in real time by thermocouple, and the test of dielectric constant, test result are then sent in resonant cavity and completed by transmission device
It is provided by computer, does not only reach the purpose for the dielectric constant for measuring material in real time, the prior art effectively solved can not achieve
Under temperature match curing conditions the problem of test material dielectric constant, and there is easy to operate, the wide advantage of temperature measuring range.But
Due to consideration that heat dissipation and loss, temperature when temperature when which heats is needed far above measurement parameter, but
It is only 15 centimetres of heat-insulated tape thickness, the influence of the heat of heating furnace to resonant cavity is very big.
Utility model content
The purpose of this utility model is to provide a kind of dielectric substance microwave property test device, can measure material in real time
Expect dielectric constant when temperature change, and apparatus structure is simple, test effect is accurate, applied widely.
Above-mentioned purpose is realized by the following technical solution：
A kind of dielectric substance microwave property test device, including material transferring bar, resonant cavity, the first heat insulating belt, constant temperature
Chamber, the second heat insulating belt, heating furnace, driving mechanism, vector network analyzer, master controller, Heating Furnace Control device, the first temperature pass
Sensor, second temperature sensor, third temperature sensor；Wherein, the resonant cavity passes through the constant temperature chamber and the heating furnace
Connection, the first heat insulating belt is arranged between resonant cavity and constant temperature chamber, the second heat insulating belt is arranged between constant temperature chamber and heating furnace；Institute
The free end for stating material transferring bar can extend to the heating furnace and penetrate through heat insulating belt and constant temperature chamber arrival resonant cavity, the object
The other end of material transmission pole is fixedly connected in the driving mechanism；The master controller respectively with the vector network analysis
Instrument, Heating Furnace Control instrument, driving mechanism and the first temperature sensor, second temperature sensor, the connection of third temperature sensor,
The vector network analyzer is connect with resonant cavity, and the Heating Furnace Control instrument is connect with the heating furnace；First temperature sensing
Device is located in resonant cavity, and second temperature sensor is located in constant temperature chamber, and third temperature sensor is located in heating furnace.
Further, the free end of the material transferring bar is provided with the groove for holding measured object.
Further, the material transferring bar be stretching structure, including diameter become smaller successively the first transmission pole, second pass
Defeated bar, third transmission pole, under the control of master controller, driving material transferring bar stretches driving mechanism.
Further, the thickness of the heat insulating belt is：10-15cm.
Further, the length of constant temperature chamber is 30-70cm.
Further, the maximum length of material transferring bar is the sum of the length of the length and constant temperature chamber, heating furnace of resonant cavity.
The new advantageous effect of this practicality is：Heating is arranged in the utility model on material dielectric constant temperature variation testing instrument
Stove, sample to be tested are sent into heating stove heat by transmission device, are then sent in resonant cavity by transmission device and to complete dielectric normal
Several tests, test result are provided by master controller, do not only reach the mesh for measuring the dielectric constant of material under temperature match curing conditions in real time
, while test data can be accurately obtained, protect the safety of test device at high temperature.
Description of the drawings
Fig. 1 is the structure chart of the test device of the utility model；
Fig. 2 is the structure chart of material transferring bar.
Specific implementation mode
Explanation and specific implementation mode further illustrate the utility model below in conjunction with the accompanying drawings.
As shown in Fig. 1, the dielectric substance microwave property test device of the utility model, including material transferring bar 10,
Resonant cavity 1, the first heat insulating belt 12, constant temperature chamber 2, the second heat insulating belt 13, heating furnace 3, driving mechanism 4, vector network analyzer 5,
Master controller 6, Heating Furnace Control device 7, the first temperature sensor 11, second temperature sensor 8, third temperature sensor 9.Its
In, the resonant cavity 1 is connect by the constant temperature chamber 2 with the heating furnace 3, is arranged first between resonant cavity 1 and constant temperature chamber 2
The second heat insulating belt 13 is arranged in heat insulating belt 12 between constant temperature chamber 2 and heating furnace 3.
The free end of the material transferring bar 10 can extend to the heating furnace 3 and penetrate through heat insulating belt and constant temperature chamber 2 arrives
Up to resonant cavity 1, the other end of the material transferring bar 10 is fixedly connected in the driving mechanism 4；The master controller 6 is distinguished
It is passed with the vector network analyzer 5, Heating Furnace Control instrument 7, driving mechanism 4 and the first temperature sensor 11, second temperature
Sensor 8, third temperature sensor 9 connect, and the vector network analyzer 5 is connect with resonant cavity 1, the Heating Furnace Control instrument 7
It is connect with the heating furnace 3.First temperature sensor 11 is located in resonant cavity 1, and second temperature sensor 8 is located in constant temperature chamber 2,
Third temperature sensor 9 is located in heating furnace 3.
As shown in Fig. 2, the free end of the material transferring bar 10 is provided with the groove 104 for holding measured object.Institute
State material transferring bar 10 be stretching structure, including diameter become smaller successively the first transmission pole 101, the second transmission pole 102, third pass
Defeated bar 103.Under the control of master controller, driving material transferring bar 10 stretches driving mechanism 4.
The application method of the utility model is：
Sample to be tested is placed in groove 104, is sent in heating furnace 3 and is heated, and (is somebody's turn to do after being heated to the first required temperature
Temperature is higher than the temperature required by measured parameter, is measured by 3rd sensor 9, is transferred to master controller), continue to be sent to
In constant temperature chamber 2, sample cool to second temperature in constant temperature chamber after (temperature is slightly above the temperature required by measured parameter, by
Second sensor 8 measures, and is transferred to master controller), it is transferred into resonant cavity 1, according to dielectric constant resonant cavity perturbation
Method assay method determination sample dielectric property, and the temperature of sample at this time is recorded by first sensor 11 and is sent to master controller
It is recorded.
Setting heat insulating belt and constant temperature chamber among 3 resonant cavity of heating furnace 1 so that resonant cavity 1 is protected to greatest extent,
The thickness of heat insulating belt is：10-15cm, material are heat-barrier material.The length of constant temperature chamber is 30-70cm, the maximum of material transferring bar
Length is the sum of the length of the length and constant temperature chamber, heating furnace of resonant cavity.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the scope of protection of the utility model.
Claims (6)
1. a kind of dielectric substance microwave property test device, it is characterised in that：Described device includes material transferring bar, resonance
Chamber, the first heat insulating belt, constant temperature chamber, the second heat insulating belt, heating furnace, driving mechanism, vector network analyzer, master controller, heating
Furnace controller, the first temperature sensor, second temperature sensor, third temperature sensor；Wherein, the resonant cavity passes through described
Constant temperature chamber is connect with the heating furnace, and the first heat insulating belt is arranged between resonant cavity and constant temperature chamber, constant temperature chamber and heating furnace it
Between the second heat insulating belt is set；The free end of the material transferring bar can extend to the heating furnace and penetrate through heat insulating belt and constant temperature
Chamber reaches resonant cavity, and the other end of the material transferring bar is fixedly connected in the driving mechanism；The master controller difference
With the vector network analyzer, Heating Furnace Control instrument, driving mechanism and the first temperature sensor, second temperature sensor,
Third temperature sensor connects, and the vector network analyzer is connect with resonant cavity, the Heating Furnace Control instrument and the heating
Stove connects；First temperature sensor is located in resonant cavity, and second temperature sensor is located in constant temperature chamber, third temperature sensor position
In heating furnace.
2. the apparatus according to claim 1, it is characterised in that：The free end of the material transferring bar is provided with for holding
The groove of measured object.
3. the apparatus according to claim 1, it is characterised in that：The material transferring bar be stretching structure, including diameter according to
Secondary the first transmission pole to become smaller, the second transmission pole, third transmission pole, driving mechanism drive material under the control of master controller
Transmission pole stretches.
4. the apparatus according to claim 1, it is characterised in that：The thickness of the heat insulating belt is：10-15cm.
5. the apparatus according to claim 1, it is characterised in that：The length of constant temperature chamber is 30-70cm.
6. device according to claim 3, it is characterised in that：The maximum length of material transferring bar be resonant cavity length with
The sum of the length of constant temperature chamber, heating furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720516268.XU CN207964949U (en) | 2017-05-09 | 2017-05-09 | Dielectric substance microwave property test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720516268.XU CN207964949U (en) | 2017-05-09 | 2017-05-09 | Dielectric substance microwave property test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207964949U true CN207964949U (en) | 2018-10-12 |
Family
ID=63723977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720516268.XU Expired - Fee Related CN207964949U (en) | 2017-05-09 | 2017-05-09 | Dielectric substance microwave property test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207964949U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374691A (en) * | 2018-10-19 | 2019-02-22 | 沈阳师范大学 | The device and method of microwave measurement graphite alkenes Dielectric constant changing rule |
| CN109782201A (en) * | 2019-02-12 | 2019-05-21 | 宴晶科技(北京)有限公司 | A kind of microwave material measuring electromagnetic parameters instrument and measurement method |
-
2017
- 2017-05-09 CN CN201720516268.XU patent/CN207964949U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374691A (en) * | 2018-10-19 | 2019-02-22 | 沈阳师范大学 | The device and method of microwave measurement graphite alkenes Dielectric constant changing rule |
| CN109374691B (en) * | 2018-10-19 | 2020-10-30 | 沈阳师范大学 | Device and method for measuring dielectric constant change rule of graphene solution by microwave |
| CN109782201A (en) * | 2019-02-12 | 2019-05-21 | 宴晶科技(北京)有限公司 | A kind of microwave material measuring electromagnetic parameters instrument and measurement method |
| CN109782201B (en) * | 2019-02-12 | 2020-12-01 | 宴晶科技(北京)有限公司 | Microwave material electromagnetic parameter measuring instrument and measuring method |
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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: 20181012 Termination date: 20190509 |