CN206515426U - Material dielectric parameter testing electrode device - Google Patents
Material dielectric parameter testing electrode device Download PDFInfo
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- CN206515426U CN206515426U CN201621314950.2U CN201621314950U CN206515426U CN 206515426 U CN206515426 U CN 206515426U CN 201621314950 U CN201621314950 U CN 201621314950U CN 206515426 U CN206515426 U CN 206515426U
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- pole
- dielectric parameter
- plate
- parameter testing
- bottom electrode
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Abstract
The utility model is related to dielectric parameter technical field of measurement and test, more particularly to a kind of material dielectric parameter testing electrode device.The material dielectric parameter testing electrode device includes upper and lower battery lead plate and the LCR bridge test instrument of dielectric parameter value is obtained by obtaining the impedance signal of upper and lower battery lead plate.Electric pole plate includes and the high-pressure side of LCR bridge test instrument is connected does not protect pole A; bottom electrode plate with the low-pressure end of LCR bridge test instrument including being connected by protection pole B and being looped around by protection pole B peripheries and with being protected the concentric protection pole C of pole B; by protection pole B with protection pole C potential it is equal and both it is insulated from each other; electric field between electric pole plate and bottom electrode plate can be achieved with vertical uniform distribution in the range of so protection pole C is surrounded; it can ensure not protecting pole A and the electric-field intensity and uniformity by protection pole B marginal position, reduce the interference to impedance signal.Material dielectric parameter testing electrode device is simple in construction, easy to operate and with higher precision.
Description
Technical field
The utility model is related to dielectric parameter technical field of measurement and test, more particularly to material dielectric parameter testing electrode device.
Background technology
Agricultural material is a kind of non-uniform dielectric of Anisotropic Nonlinear, can be presented certain under External Electrical Field
Dielectric property.Dielectric property is response characteristic of the bound charge in biomolecule to extra electric field, mainly by electrical conductivity, resistance
The physical quantity description such as anti-, electric capacity and dielectric constant.Under normal circumstances, the positive and negative charge of material is offseted, and does not show Jie macroscopically
Electrical characteristics, and External Electrical Field can make to form electric dipole moment in medium, or make original electric dipole moment along dispatch from foreign news agency field direction again
Arrangement, occurs electric polarization course.Reaction of the material to extra electric field can be expressed by its electrical conductivity and dielectric parameter, electrical conductivity
The conductive capability of material has been weighed, and dielectric parameter is used for weighing the electric polarization situation of material, because electric field energy is not to be disappeared
Consumption is exactly to be stored, therefore electrical conductivity and the dielectric parameter physical quantity that to be two related.Thus the test based on dielectric property with
Dielectric parameter is obtained, agricultural product are preserved, drying is processed, lossless so that the method for analyzing the situation of change of material is widely used in
Detect, clean the numerous areas such as classification, sterilization and disinsection.
The test device of existing dielectric property is typically more complicated, and has higher want to test environment and operation
Ask, data degradation easily occurs in test process, often causes obtained dielectric parameter inaccurate.
The content of the invention
The purpose of this utility model be to avoid above-mentioned weak point of the prior art and provide it is a kind of simple in construction and
The higher material dielectric parameter testing electrode device of test accuracy.
The purpose of this utility model is achieved through the following technical solutions：
There is provided a kind of material dielectric parameter testing electrode device, including electric pole plate, bottom electrode plate and LCR bridge tests
Instrument, the LCR bridge tests instrument exports dielectric parameter value, institute according to the impedance signal of the electric pole plate and the bottom electrode plate
State electric pole plate and do not protect pole A including what is be connected with the high-pressure side of the LCR bridge tests instrument, the bottom electrode plate includes and institute
State LCR bridge test instrument low-pressure end connection by protection pole B and be looped around by protection pole B peripheries and with by protected pole B it is concentric
Protection pole C, it is described by protection pole B it is equal with the potential of the protection pole C and both it is insulated from each other, pole A is not protected with being protected
There is the uniform electric field of vertical distribution between shield pole B.
Wherein, it is described not protect pole A size to be adapted with the marginal dimension of the bottom electrode plate.
Wherein, the gap no more than 1mm is left between the pole B and protection pole C by protection.
Wherein, including with bridge test instrument LCR earth terminal the noise shielding net being connected.
Wherein, including the in the vertical direction upper insulator and lower insulator that are coaxially disposed, the upper insulator be provided with
It is corresponding with the bottom electrode groove of the upper insulator on the adaptable bottom electrode groove of the bottom electrode board size, the lower insulator
Position is provided with the Top electrode groove being adapted with the electric pole plate size.
Wherein, the thickness of the electric pole plate is more than the depth of the Top electrode groove, and the thickness of the bottom electrode plate is more than
The depth of the bottom electrode groove.
Wherein, the material of the upper insulator and the lower insulator is the polyvinyl fluoride of insulating materials four（Teflon）.
Wherein, including pedestal, the upper insulator is detachably connected with the pedestal.
Wherein, the pedestal includes relative with the bottom electrode groove on the connecting rod of position-adjustable, the upper insulator
Side be provided with the link slot that is detachably connected with the connecting rod.
Wherein, the pedestal includes the adjusting knob for being used to adjust the connecting rod numerical value position.
The beneficial effects of the utility model：The impedance for obtaining electric pole plate and bottom electrode plate by LCR bridge tests instrument is believed
Number, obtain dielectric parameter value so as to analyze.Bottom electrode plate be divided into by protection pole B and be looped around by protected pole B peripheries and with quilt
The concentric protection pole C of pole B are protected, equal with protection pole C potential and both are insulated from each other by protection pole B, so protection pole C encloses
Electric field in the range of firmly between electric pole plate and bottom electrode plate can be achieved with vertical uniform distribution, it is ensured that do not protect pole A with
By the electric-field intensity and uniformity of protection pole B marginal position, the interference to impedance signal is reduced.Material dielectric parameter test electricity
Pole apparatus structure is simple and convenient to operate and with higher precision.
Brief description of the drawings
This material dielectric parameter testing electrode device is described further using accompanying drawing.
Fig. 1 is the dielectric property measuring system schematic diagram of this material dielectric parameter testing electrode device；
Fig. 2 is the Electric Field Distribution schematic diagram of this material dielectric parameter testing electrode device；
Fig. 3 is the electrode plate structure schematic diagram of this material dielectric parameter testing electrode device；
Fig. 4 is the upper insulator structural representation of this material dielectric parameter testing electrode device；
Fig. 5 is the lower insulator structural representation of this material dielectric parameter testing electrode device；
Include in Fig. 1 ~ 4：1 --- --- roll adjustment knob, 3 --- upper insulator, 31 --- lower electricity of noise shielding net, 2
Pole groove, 32 --- link slot, 4 --- lower insulator, 41 --- Top electrode groove, 5 --- bridge test instrument, 6 --- part to be measured,
7 --- electric pole plate, 8 --- bottom electrode plate, 9 --- pedestals.
Embodiment
This material dielectric parameter testing electrode device is further described with the following Examples.
As shown in figure 1, the material dielectric parameter testing electrode device in the present embodiment includes pedestal 9, it is fixed on pedestal 9
Lower insulator 4 and be connected to the upper insulator 3 of position-adjustable on pedestal 9 and relative to pedestal 9, upper insulator 3 and under
Insulator 4 is all by four polyvinyl fluorides（Teflon）Insulating materials is made, with good insulating properties.As shown in Figure 4 is upper exhausted
Edge body 3 and lower insulator 4 as shown in Figure 5 have identical diameter D1=40mm and height h1=40mm, and are coaxially disposed, upper insulation
The lower end of body 3 offers the bottom electrode groove 31 for installing bottom electrode plate 8, and the upper end of lower insulator 4 is offered for installing
The depth h3 of the Top electrode groove 41 of battery lead plate 7, bottom electrode groove 31 and Top electrode groove 41 is 0.5mm, both length and width sizes difference
It is adapted with the size of bottom electrode plate 8 and electric pole plate 7, thickness is all respectively embedded into for 1mm electric pole plate 7 and bottom electrode plate 8
Having half to stretch out when bottom electrode groove 31 and Top electrode groove 41, insulation is external, and the thickness of upper and lower battery lead plate is more than upper and lower slot electrode
Depth, it is ensured that two-plate marginal position electric-field intensity and uniformity.The depth h2 that upper insulator 3 is opened up by its upper end
=0.5mm, diameter D1=20mm link slot 32 are connected to the adjusting rod of pedestal 9, and the lower end link slot 32 of connecting rod detachably connects
Connect, be conveniently replaceable the upper insulator 3 of different size.During using the material dielectric parameter testing electrode device, on rotating basis 9
Adjusting knob 2 can just change the position of adjusting rod opposite base 9, thus adjust between electric pole plate 7 and bottom electrode plate 8 away from
From.
As shown in Figures 2 and 3, not protecting for electric pole plate 7 is protected pole B, protection pole C together on pole A and bottom electrode plate 8
Constitute three end parallel electrode plate measuring units of this material dielectric parameter testing electrode device, electric pole plate 7 and bottom electrode plate 8
Between by protection pole B in the range of formed vertical distribution uniform electric field.Electric pole plate 7 does not protect the pole A to be by a monoblock
Battery lead plate is made, and bottom electrode plate 8 includes protection pole B and protection pole C.It is made up by protection pole B of one block of small electrode plate, positioned at lower electricity
The center of pole plate 8；Protection pole C is made up of the battery lead plate for cutting into frame-type, is looped around by protection pole B peripheries and with being protected
Pole B is concentric.The square electrode for being the mm of 20 mm × 20 by protection pole B, protection pole C width is 6mm, by protection pole B with protecting
There is length of side L1=20+6*2+ that 0.1 mm, i.e. bottom electrode plate 8 are taken in the clearance G wide no more than 1mm, the present embodiment between shield pole C
0.1*2=32.2mm.The justified margin of bottom electrode plate 8 for not protecting pole A outward flange to be constituted with protection pole B and by protection pole C,
That is the length of side of electric pole plate 7 is also L1.It can be changed by protection pole B size according to the specification of part to be measured（Such as replace with
17mm×17mm）, gap very little only between pole B to be protected and protection pole C and protect pole C width to be at least part to be measured thick
2 times of degree, electric field between electric pole plate 7 and bottom electrode plate 8 can be achieved with vertical uniform distribution in the range of protection pole C is surrounded.
Do not protect pole A and model HIOKI 3532-50 bridge test instrument LCR high-pressure side to be connected, by protection pole B with
Bridge test instrument LCR low-pressure end connection, by bridge test instrument LCR measurements obtain above and below the parameter such as electric capacity between two-plate
Value.Protection pole C with taking phase equipotential and insulated from each other by protection pole B, then protect pole C to eliminate and protected pole B with not protecting
The edge effect of electric field between shield pole A.The protection pole C earth terminals for being connected to bridge test instrument LCR then can further be removed depolarization
Stray capacitance between plate and wire, the data for obtaining measurement are more accurate.Material dielectric parameter testing electrode device includes noise
Gauze screen 1, it is connected to bridge test instrument LCR earth terminal, can eliminate shadow of the interference to measurement result of peripheral electromagnetic field
Ring.
The ratio between electric capacity and empty plates capacitance when being placed with part 6 to be measured between two-plate up and down is i.e. normal with respect to dielectric
Number, can obtain the physiological status such as water content of cell before and after fruit and vegetable dryness, it is possible thereby to further by relative dielectric constant
Action effect of the high-pressure pulse electric to fruits and vegetables cell is understood, so as to obtain the optimal high-pressure pulse electric pretreatment ginseng of fruit and vegetable dryness
Number.The change of capacitance during using material dielectric filler in capacitor and measure and obtain dielectric property, its measuring apparatus
It is simple and convenient to operate and with higher precision.
Claims (10)
1. material dielectric parameter testing electrode device, it is characterised in that including electric pole plate, bottom electrode plate and LCR bridge tests
Instrument, the LCR bridge tests instrument exports dielectric parameter value, institute according to the impedance signal of the electric pole plate and the bottom electrode plate
State electric pole plate and do not protect pole A including what is be connected with the high-pressure side of the LCR bridge tests instrument, the bottom electrode plate includes and institute
State LCR bridge test instrument low-pressure end connection by protection pole B and be looped around by protection pole B peripheries and with by protected pole B it is concentric
Protection pole C, it is described by protection pole B it is equal with the potential of the protection pole C and both it is insulated from each other, pole A is not protected with being protected
There is the uniform electric field of vertical distribution between shield pole B.
2. material dielectric parameter testing electrode device according to claim 1, it is characterised in that described not protect pole A's
Size and the marginal dimension of the bottom electrode plate are adapted.
3. material dielectric parameter testing electrode device according to claim 1, it is characterised in that it is described by protection pole B with
The gap no more than 1mm is left between the protection pole C.
4. material dielectric parameter testing electrode device according to claim 1, it is characterised in that including with bridge test instrument
The noise shielding net of LCR earth terminal connection.
5. material dielectric parameter testing electrode device according to claim 1, it is characterised in that including in the vertical direction
The upper insulator and lower insulator being coaxially disposed, the upper insulator are provided with the bottom electrode being adapted with the bottom electrode board size
Position corresponding with the bottom electrode groove of the upper insulator is provided with and mutually fitted with the electric pole plate size on groove, the lower insulator
The Top electrode groove answered.
6. material dielectric parameter testing electrode device according to claim 5, it is characterised in that the thickness of the electric pole plate
Degree is more than the depth of the Top electrode groove, depth of the thickness more than the bottom electrode groove of the bottom electrode plate.
7. material dielectric parameter testing electrode device according to claim 6, it is characterised in that the upper insulator and institute
The material for stating lower insulator is the polyvinyl fluoride of insulating materials four.
8. material dielectric parameter testing electrode device according to claim 5, it is characterised in that including pedestal, it is described on
Insulator is detachably connected with the pedestal.
9. material dielectric parameter testing electrode device according to claim 8, it is characterised in that the pedestal includes position
The side relative with the bottom electrode groove is provided with and detachably connected with the connecting rod on adjustable connecting rod, the upper insulator
The link slot connect.
10. material dielectric parameter testing electrode device according to claim 9, it is characterised in that the pedestal includes using
In the adjusting knob for adjusting the connecting rod numerical value position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621314950.2U CN206515426U (en) | 2016-12-02 | 2016-12-02 | Material dielectric parameter testing electrode device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621314950.2U CN206515426U (en) | 2016-12-02 | 2016-12-02 | Material dielectric parameter testing electrode device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206515426U true CN206515426U (en) | 2017-09-22 |
Family
ID=59861883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621314950.2U Expired - Fee Related CN206515426U (en) | 2016-12-02 | 2016-12-02 | Material dielectric parameter testing electrode device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206515426U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884549A (en) * | 2020-07-02 | 2022-01-04 | 浙江大学 | Biological tissue dielectric spectrum measuring electrode clamp |
| CN114383545A (en) * | 2022-01-12 | 2022-04-22 | 四川文理学院 | Device for measuring parallelism of micro electrode plate group |
-
2016
- 2016-12-02 CN CN201621314950.2U patent/CN206515426U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884549A (en) * | 2020-07-02 | 2022-01-04 | 浙江大学 | Biological tissue dielectric spectrum measuring electrode clamp |
| CN114383545A (en) * | 2022-01-12 | 2022-04-22 | 四川文理学院 | Device for measuring parallelism of micro electrode plate group |
| CN114383545B (en) * | 2022-01-12 | 2022-09-27 | 四川文理学院 | Device for measuring parallelism of micro electrode plate group |
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| 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: 20170922 Termination date: 20181202 |