CN110441607A - A kind of p owder resistivity tester - Google Patents
A kind of p owder resistivity tester Download PDFInfo
- Publication number
- CN110441607A CN110441607A CN201910815641.5A CN201910815641A CN110441607A CN 110441607 A CN110441607 A CN 110441607A CN 201910815641 A CN201910815641 A CN 201910815641A CN 110441607 A CN110441607 A CN 110441607A
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- Prior art keywords
- pressure
- controller
- carrier
- support plate
- owder resistivity
- Prior art date
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 23
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 5
- 229910001369 Brass Inorganic materials 0.000 claims description 4
- 239000010951 brass Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 abstract description 10
- 238000012360 testing method Methods 0.000 abstract description 10
- 238000005259 measurement Methods 0.000 description 5
- 239000000523 sample Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004826 seaming Methods 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/14—Measuring resistance by measuring current or voltage obtained from a reference source
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D15/00—Control of mechanical force or stress; Control of mechanical pressure
- G05D15/01—Control of mechanical force or stress; Control of mechanical pressure characterised by the use of electric means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The present invention provides a kind of p owder resistivity testers, it include: controller, pressure electric cylinders and the pedestal for fixing the pressure electric cylinders, measuring device and braced frame for placing the measuring device, the braced frame are set to the top of the pressure electric cylinders;Wherein, the measuring device includes the first support plate, the second support plate, the carrier for placing p owder resistivity, displacement sensor, the first pressure head, institute's displacement sensors are set to the lower surface of first support plate, the carrier is fixed in second support plate, first pressure head is set to the lower surface of first support plate, for cooperating with the carrier;The input terminal and institute's displacement sensors of the controller are electrically connected, and the output end of the controller is electrically connected with the pressure electric cylinders.Based on the present invention, press by the way that p owder resistivity to be set in carrier, and using electric cylinders to it, it can be with the powder resistivity under follow-on test difference pressure.
Description
Technical field
The present invention relates to p owder resistivity fields of measurement, in particular to a kind of p owder resistivity tester.
Background technique
Powder resistivity generates main influence to the performance of battery, and battery performance can be predicted by measurement powder resistivity,
It has great significance to the detection and exploitation of battery.Existing powder resistivity test is mainly surveyed using four probe method cooperation resistivity
Examination main body (piston containing probe and die cavity tower) and resistivity measuring instrument measure.Existing p owder resistivity measurement is all by right
Powder demoulds after being compressed, and is then measured using probe to it, cannot keep in situ detection in measurement, pressure value is not
Variable, test is not flexible, cannot achieve the resistivity measurement of follow-on test difference pressure point.
Summary of the invention
The invention discloses a kind of p owder resistivity testers, by the way that p owder resistivity to be set in carrier, and use electric cylinders
It presses to it, it can be with the powder resistivity under follow-on test difference pressure.
The embodiment of the invention provides a kind of p owder resistivity testers, comprising: controller, pressure electric cylinders and for fixing
The pedestal of the pressure electric cylinders, measuring device and the braced frame for placing the measuring device, the braced frame setting
In the top of the pressure electric cylinders;
Wherein, the measuring device includes the first support plate, the second support plate, the carrier for placing p owder resistivity, position
Displacement sensor, the first pressure head, institute's displacement sensors are set to the lower surface of first support plate, and the carrier is fixed on institute
It states in the second support plate, first pressure head is set to the lower surface of first support plate, for cooperating with the carrier;
The input terminal and institute's displacement sensors of the controller are electrically connected, and the output end of the controller is applied with described
Piezoelectric cylinder electrical connection.
Preferably, the controller is PLC controller.
Preferably, the model of institute's displacement sensors are as follows: HG-S1010.
Preferably, the braced frame includes the first fixed plate and the second fixed plate, and is located at described first and fixes
Column between plate and second fixed plate, the both ends of the column are arranged respectively at first fixed plate and described second and consolidate
On fixed board.
It preferably, further include pressure sensor;The pressure sensor is set in first fixed plate, the pressure
Sensor is contacted with the upper surface of first support plate, and the pressure sensor is electrically connected with the input terminal of the controller.
Preferably, the pressure electric cylinders include: servo-driver, servo motor and transmission mechanism;
The servo-driver is electrically connected with the output end of the controller, the servo-driver and the servo motor
Electrical connection, the output end of the servo motor become one with the transmission mechanism, and the servo motor passes through the transmission
Mechanism presses to the carrier.
Preferably, further includes: touch screen;The touch screen is electrically connected with the controller.
Preferably, it is provided with the second pressure head in the carrier, be arranged with the first pressure head relative orientation.
Preferably, the material of first pressure head and second pressure head is brass material.
Preferably, it is provided in first support plate and leads the first conductive terminal, is provided in second support plate
Two conductive terminals.
Pass through electricity by the way that p owder resistivity to be loaded into carrier based on the present invention provides a kind of p owder resistivity testers
Cylinder pushes carrier, and is cooperated with seaming chuck, presses to the p owder resistivity being loaded into carrier, passes through displacement sensor
The height for measuring p owder resistivity calculate to it resistivity of p owder resistivity, passes through pressure sensor by controller
Cooperation, can test out the powder resistivity under different pressure.
Detailed description of the invention
A kind of Fig. 1 p owder resistivity tester structural schematic diagram provided in an embodiment of the present invention.
Specific embodiment
To keep the purposes, technical schemes and advantages of embodiment of the present invention clearer, implement below in conjunction with the present invention
The technical solution in embodiment of the present invention is clearly and completely described in attached drawing in mode, it is clear that described reality
The mode of applying is some embodiments of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ability
Domain those of ordinary skill every other embodiment obtained without creative efforts, belongs to the present invention
The range of protection.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below and is wanted
The scope of the present invention of protection is sought, but is merely representative of selected embodiment of the invention.Based on the embodiment in the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts belongs to this
Invent the range of protection.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be mechanical connect
It connects, is also possible to be electrically connected;It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
It elaborates below in conjunction with attached drawing to specific embodiments of the present invention.
The invention discloses a kind of p owder resistivity testers, by the way that p owder resistivity to be set in carrier, and use electric cylinders
It presses to it, it can be with the powder resistivity under follow-on test difference pressure.
Referring to Fig. 1, the embodiment of the invention provides a kind of p owder resistivity testers, comprising: controller, pressure electric cylinders with
And the pedestal 10 for fixing the pressure electric cylinders, measuring device and the braced frame for placing the measuring device, it is described
Braced frame is set to the top of the pressure electric cylinders;It is worth noting that, the position of the braced frame and the pressure electric cylinders
It sets and can also be other modes, for example, these schemes can be with by the lower section of braced frame setting and the pressure electric cylinders
Specific setting according to the actual situation, is not specifically limited, but these schemes are within the scope of the invention here.
Wherein, the measuring device include the first support plate 1, the second support plate 2, the carrier 3 for placing p owder resistivity,
Displacement sensor 5, the second pressure head 4, institute's displacement sensors 5 are set to the lower surface of first support plate 1, the carrier 3
It is fixed in second support plate 2, second pressure head 4 is set to the lower surface of first support plate 1, is used for and described
Carrier 3 cooperates;
The input terminal of the controller and institute's displacement sensors 5 are electrically connected, the output end of the controller with it is described
The electric cylinders that press electrical connection.
It should be noted that p owder resistivity is loaded into the carrier 3, pushed by the pressure electric cylinders equipped with powder electricity
The carrier 3 of resistance cooperates with second pressure head 4, presses to p owder resistivity, wherein the carrier 3 can be cylindrical type,
Second pressure head 4 be arranged to match with 3 inner circle of carrier it is cylindric, it is of course also possible to be that carrier 3 is also possible to it
The shape matched with the carrier 3 is made in his shape, second pressure head 4, and the controller is electric for controlling the pressure
Cylinder controls the stroke that the pressure voltage electric cylinders push the carrier 3, i.e. control p owder resistivity compression size, is existed by setting
The height value for measuring p owder resistivity is sent to the controller, then passed through by the displacement sensor 5 in first support plate 1
The controller calculates the resistivity of p owder resistivity.
In the present embodiment, it is provided in first support plate 1 and leads the first conductive terminal, in second support plate 2
It is provided with the second conductive terminal, the carrier 3 is internally provided with the second pressure head, is arranged with 4 relative orientation of the second pressure head, institute
It is identical as the cross section of part that second pressure head 4 presses to p owder resistivity to state the second pressure head.
It should be noted that first conductive terminal and second conductive terminal are used to connect external current source
Positive and negative anodes, for being powered for second pressure head 4 and second pressure head, the pressure electric cylinders push the carrier 3, make
P owder resistivity in the carrier 3 and second pressure head 4 when contacting, forming circuit can pass through voltmeter or other survey
Pressure device measures the size of voltage in circuit, the resistance value R of you can get it p owder resistivity.
Wherein, the cross-sectional area in carrier 3 is fixed value S, and height of the carrier 3 in zero load is fixed value, can be by
Institute's displacement sensors 5 are measured, and L0 is denoted as, and before being placed into p owder resistivity in the carrier 3, are first passed through balance and are weighed out sample
The total amount of product, is denoted as m, after p owder resistivity is loaded into the carrier 3, is measured by institute's displacement sensors 5 laden
Highly, it is denoted as L1, according to resistivity formula,Wherein, L=L1-L0 can obtain the resistivity of p owder resistivity,
Further, can by density formula,The density that p owder resistivity can be obtained, by changing pressure electricity
The output valve of cylinder, and then change the pressure born of p owder resistivity, can obtain the density value of p owder resistivity at various pressures and
Resistivity.
In the present embodiment, the pressure electric cylinders include: servo-driver 11, servo motor 12 and transmission mechanism 7;
The servo-driver 11 is electrically connected with the output end of the controller, the servo-driver 11 and the servo
Motor 12 is electrically connected, and the output end of the servo motor 12 becomes one with the transmission mechanism 7, and the servo motor 12 is logical
The transmission mechanism 7 is crossed to press to the carrier 3.
It should be noted that the transmission mechanism 7 can be screw rod, for connecting the output end of the servo motor 12,
Convert linear motion for rotary motion for the servo motor 12, i.e., the linear motion of the described transmission mechanism 7, then to described
Two support plates 2 press, and push the carrier 3, are cooperated with second pressure head 4, so to the p owder resistivity into
Row pressure, servo-driver 11 is used to receive the pulse signal of the controller, and then drives servo motor 12, in other implementations
In example, transmission mechanism 7 can also be promoted using other modes, for example, can using stepper motor and controller into
Row cooperation, or cooperated using controller, frequency converter and motor with the transmission mechanism 7, servo is preferably used here
Driver 11 and servo motor 12 cooperate the transmission mechanism 7, these schemes can be specifically arranged according to the actual situation, here not
It is specifically limited, but these schemes are within the scope of the invention.
In the present embodiment, the model of institute's displacement sensors 5 can be with are as follows: HG-S1010.
It should be noted that in other embodiments, it can be the displacement sensor 5 of other models, tested for testing
The height of p owder resistivity, and height value is sent to controller, the selection of 5 model of displacement sensor can according to the actual situation into
Row selection, is not specifically limited here.
In the present embodiment, the braced frame includes the first fixed plate 8 and the second fixed plate 9, and is located at described
Column between first fixed plate 8 and second fixed plate 9, the both ends of the column are arranged respectively at first fixed plate 8
In second fixed plate 9.
It should be noted that the braced frame is vertically disposed with the first fixed plate 8 and the second fixed plate 9, and pass through
The both ends of the column are separately fixed in the first fixed plate 8 and the second fixed plate 9, herein preferably be set as 4 pillars,
It also can be set 3 or 5 in other embodiments, the material of the first fixed plate 8 and the second fixed plate 9 can be metal, described
The fixed plate that other materials also can be set up and down of braced frame, for example, plastic material or wooden support plate, these sides
Case can be correspondingly arranged according to the actual situation, be not specifically limited here, but these schemes are within the scope of the invention.
It in the present embodiment, further include pressure sensor 6;The pressure sensor 6 is set to first fixed plate 8
On, the pressure sensor 6 is contacted with the upper surface of first support plate 1, the pressure sensor 6 and the controller
Input terminal electrical connection.
It should be noted that the signal of the pressure sensor 6 can be NS-TH3A, in other embodiments, can also be
The pressure sensor 6 of other models, the pressure born for testing tested p owder resistivity, and pressure value is sent to controller
11, the selection of 68 model of pressure sensor can be selected according to the actual situation, be not specifically limited here.
In the present embodiment, the controller can be PLC controller.
It should be noted that analog input interface is provided on the controller, for receiving the pressure sensor 6
And the analog signals of institute's displacement sensors 5, output end can be with output pulse signals, for driving servo motor 12, here
PLC controller is preferably used, the PLC of Siemens is can be, is also possible to the PLC of Mitsubishi, is not specifically limited here, when
So, in other embodiments, analog interface also can be set, exportable pulse signal is for driving servo motor 12
Single-chip microcontroller, these schemes can specifically be arranged according to the actual situation, be not specifically limited here, but these schemes are in the present invention
Protection scope in.
In the present embodiment, further includes: touch screen;The touch screen is electrically connected with the controller.
It should be noted that touch screen is displayed for the pressure value under p owder resistivity current state, density value, resistance
The parameters such as rate can be also used for carrying out transmission control instruction to most controllers, certainly in other examples, can also be
Host computer in addition to touch screen, such as computer, are not specifically limited here, but these schemes are in protection scope of the present invention
It is interior.
In the present embodiment, the material of second pressure head 4 and second pressure head is brass material.
It should be noted that tested p owder resistivity is arranged between second pressure head 4 and second pressure head, terminal
Material preferably uses brass material, can also use other materials in other embodiments, be not specifically limited here.
Pass through electricity by the way that p owder resistivity to be loaded into carrier 3 based on the present invention provides a kind of p owder resistivity testers
Cylinder pushes carrier 3, and is cooperated with seaming chuck, presses to the p owder resistivity being loaded into carrier 3, passes through displacement sensing
Device 5 measures the height of p owder resistivity, calculate to it resistivity of p owder resistivity by controller, passes through pressure sensor
6 cooperation can test out the powder resistivity under different pressure.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.
Claims (10)
1. a kind of p owder resistivity tester characterized by comprising controller, pressure electric cylinders and for fixing the pressure
The pedestal of electric cylinders, measuring device and the braced frame for placing the measuring device, the braced frame are set to described apply
The top of piezoelectric cylinder;
Wherein, the measuring device includes the first support plate, the second support plate, the carrier for placing p owder resistivity, displacement biography
Sensor, the first pressure head, institute's displacement sensors are set to the lower surface of first support plate, and the carrier is fixed on described
In two support plates, first pressure head is set to the lower surface of first support plate, for cooperating with the carrier;
The input terminal and institute's displacement sensors of the controller are electrically connected, the output end of the controller and pressure electricity
Cylinder electrical connection.
2. a kind of p owder resistivity tester according to claim 1, which is characterized in that the controller is PLC controller.
3. a kind of p owder resistivity tester according to claim 1, which is characterized in that the model of institute's displacement sensors
Are as follows: HG-S1010.
4. a kind of p owder resistivity tester according to claim 1, which is characterized in that the braced frame includes first
Fixed plate and the second fixed plate, and the column between first fixed plate and second fixed plate, the column
Both ends are arranged respectively in first fixed plate and second fixed plate.
5. a kind of p owder resistivity tester according to claim 4, which is characterized in that further include pressure sensor;It is described
Pressure sensor is set in first fixed plate, and the pressure sensor is contacted with the upper surface of first support plate,
The pressure sensor is electrically connected with the input terminal of the controller.
6. a kind of p owder resistivity tester according to claim 1, which is characterized in that the pressure electric cylinders include: servo
Driver, servo motor and transmission mechanism;
The servo-driver is electrically connected with the output end of the controller, and the servo-driver is electrically connected with the servo motor
It connects, the output end of the servo motor becomes one with the transmission mechanism, and the servo motor passes through the transmission mechanism
It presses to the carrier.
7. a kind of p owder resistivity tester according to claim 1, which is characterized in that further include: touch screen;The touch-control
Screen is electrically connected with the controller.
8. a kind of p owder resistivity tester according to claim 1, which is characterized in that be provided with the second pressure in the carrier
Head is arranged with the first pressure head relative orientation.
9. a kind of p owder resistivity tester according to claim 8, which is characterized in that first pressure head and described second
The material of pressure head is brass material.
10. according to benefit require 1 described in a kind of p owder resistivity tester, which is characterized in that be provided in first support plate
First conductive terminal is provided with the second conductive terminal in second support plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910815641.5A CN110441607B (en) | 2019-08-30 | 2019-08-30 | Powder resistance tester |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910815641.5A CN110441607B (en) | 2019-08-30 | 2019-08-30 | Powder resistance tester |
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CN110441607A true CN110441607A (en) | 2019-11-12 |
CN110441607B CN110441607B (en) | 2023-12-29 |
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CN201910815641.5A Active CN110441607B (en) | 2019-08-30 | 2019-08-30 | Powder resistance tester |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111351986A (en) * | 2020-03-20 | 2020-06-30 | 东莞东阳光科研发有限公司 | Resistance testing die and powder resistance testing device |
CN113960419A (en) * | 2020-07-20 | 2022-01-21 | 昆山磁通新材料科技有限公司 | Method for detecting surface insulation characteristic of soft magnetic metal powder |
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