CN210690692U - Powder resistance tester - Google Patents
Powder resistance tester Download PDFInfo
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- CN210690692U CN210690692U CN201921437663.4U CN201921437663U CN210690692U CN 210690692 U CN210690692 U CN 210690692U CN 201921437663 U CN201921437663 U CN 201921437663U CN 210690692 U CN210690692 U CN 210690692U
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Abstract
The utility model provides a powder resistance tester, include: the device comprises a controller, a pressure applying electric cylinder, a base for fixing the pressure applying electric cylinder, a measuring device and a supporting frame for placing the measuring device, wherein the supporting frame is arranged above the pressure applying electric cylinder; the measuring device comprises a first supporting plate, a second supporting plate, a carrier for placing a powder resistor, a displacement sensor and a first pressure head, wherein the displacement sensor is arranged on the lower surface of the first supporting plate, the carrier is fixed on the second supporting plate, and the first pressure head is arranged on the lower surface of the first supporting plate and is used for being matched with the carrier; the input end of the controller is electrically connected with the displacement sensor, and the output end of the controller is electrically connected with the pressurizing electric cylinder. Based on the utility model discloses, through setting up powder resistance in the carrier to adopt the electric jar to exert pressure to it, can test the powder resistivity under the different pressure in succession.
Description
Technical Field
The utility model relates to a powder resistance measurement field, in particular to powder resistance tester.
Background
The powder resistivity has a main influence on the performance of the battery, and the battery performance can be predicted by measuring the powder resistivity, so that the detection and development of the battery are of great significance. The existing powder resistivity test mainly adopts a four-probe method to be matched with a resistivity test main body (comprising a probe piston and a die cavity tower) and a resistivity measuring instrument for measurement. The existing powder resistance measurement is realized by compressing powder and then demoulding, and then measuring the powder by using a probe, so that in-situ detection cannot be kept during measurement, the pressure value is not variable, the test is inflexible, and the resistivity test for continuously testing different pressure points cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a powder resistance tester is through setting up powder resistance in the carrier to adopt the electric jar to exert pressure to it, can test the powder resistivity under the different pressure in succession.
The embodiment of the utility model provides a powder resistance tester, include: the device comprises a controller, a pressure applying electric cylinder, a base for fixing the pressure applying electric cylinder, a measuring device and a supporting frame for placing the measuring device, wherein the supporting frame is arranged above the pressure applying electric cylinder;
the measuring device comprises a first supporting plate, a second supporting plate, a carrier for placing a powder resistor, a displacement sensor and a first pressure head, wherein the displacement sensor is arranged on the lower surface of the first supporting plate, the carrier is fixed on the second supporting plate, and the first pressure head is arranged on the lower surface of the first supporting plate and is used for being matched with the carrier;
the input end of the controller is electrically connected with the displacement sensor, and the output end of the controller is electrically connected with the pressurizing electric cylinder.
Preferably, the controller is a PLC controller.
Preferably, the displacement sensor has the following types: HG-S1010.
Preferably, the supporting frame includes a first fixing plate, a second fixing plate, and a column located between the first fixing plate and the second fixing plate, and two ends of the column are respectively disposed on the first fixing plate and the second fixing plate.
Preferably, a pressure sensor is further included; the pressure sensor is arranged on the first fixing plate, the pressure sensor is in contact with the upper surface of the first supporting plate, and the pressure sensor is electrically connected with the input end of the controller.
Preferably, the pressurizing electric cylinder includes: the servo driver, the servo motor and the transmission mechanism;
the servo driver is electrically connected with the output end of the controller, the servo driver is electrically connected with the servo motor, the output end of the servo motor is integrated with the transmission mechanism, and the servo motor applies pressure to the carrier through the transmission mechanism.
Preferably, the method further comprises the following steps: a touch screen; the touch screen is electrically connected with the controller.
Preferably, a second pressure head is arranged in the carrier and is arranged opposite to the first pressure head in an opposite direction.
Preferably, the first pressing head and the second pressing head are made of brass.
Preferably, the first support plate is provided with a first conductive terminal, and the second support plate is provided with a second conductive terminal.
Based on the utility model provides a powder resistance tester through loading powder resistance in the carrier, promotes the carrier through the electric jar to cooperate with last pressure head, exert pressure to the powder resistance who loads in the carrier, measure the height of powder resistance through displacement sensor, calculate the resistivity of powder resistance to it through the controller, through pressure sensor's cooperation, can test out the powder resistivity under the different pressures.
Drawings
Fig. 1 the embodiment of the present invention provides a structure diagram of a powder resistance tester.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
The utility model discloses a powder resistance tester is through setting up powder resistance in the carrier to adopt the electric jar to exert pressure to it, can test the powder resistivity under the different pressure in succession.
Referring to fig. 1, an embodiment of the present invention provides a powder resistance tester, including: the device comprises a controller, a pressure applying electric cylinder, a base 10 for fixing the pressure applying electric cylinder, a measuring device and a supporting frame for placing the measuring device, wherein the supporting frame is arranged above the pressure applying electric cylinder; it should be noted that the positions of the supporting frame and the piezoelectric cylinder may be other manners, for example, the supporting frame is disposed below the piezoelectric cylinder, and these manners may be specifically set according to actual situations, and are not specifically limited herein, but all of these manners are within the scope of the present invention.
The measuring device comprises a first supporting plate 1, a second supporting plate 2, a carrier 3 for placing a powder resistor, a displacement sensor 5 and a second pressure head 4, wherein the displacement sensor 5 is arranged on the lower surface of the first supporting plate 1, the carrier 3 is fixed on the second supporting plate 2, and the second pressure head 4 is arranged on the lower surface of the first supporting plate 1 and is used for being matched with the carrier 3;
the input end of the controller is electrically connected with the displacement sensor 5, and the output end of the controller is electrically connected with the piezoelectric cylinder.
It should be noted that the powder resistor is loaded in the carrier 3, the carrier 3 loaded with the powder resistor is pushed by the pressurizing electric cylinder to cooperate with the second pressing head 4 to pressurize the powder resistor, wherein the carrier 3 can be cylindrical, the second pressure head 4 is arranged to be cylindrical matched with the inner circle of the carrier 3, of course, the carrier 3 may also have other shapes, the second ram 4 is shaped to match the carrier 3, the controller is used for controlling the pressurizing electric cylinder, controlling the stroke of the pressurizing electric cylinder for pushing the carrier 3, namely, the pressed size of the powder resistor is controlled, the height value of the measured powder resistor is sent to the controller through the displacement sensor 5 arranged on the first supporting plate 1, and then the resistivity of the powder resistor is calculated through the controller.
In this embodiment, the first support plate 1 is provided with a first conductive terminal, the second support plate 2 is provided with a second conductive terminal, the carrier 3 is provided with a second pressing head inside, the second pressing head and the second pressing head 4 are arranged in opposite directions, and the cross sections of the portions of the powder resistor pressed by the second pressing head 4 are the same.
It should be noted that the first conductive terminal and the second conductive terminal are used for connecting the positive electrode and the negative electrode of an external current source, and are used for energizing the second pressing head 4 and the second pressing head, the pressing electric cylinder pushes the carrier 3, so that a loop is formed when the powder resistor in the carrier 3 is in contact with the second pressing head 4, and the magnitude of the voltage in the loop can be measured by a voltmeter or other pressure measuring devices, so as to obtain the resistance value R of the powder resistor.
Wherein the cross-sectional area in the carrier 3 is a fixed value S, the height of the carrier 3 when the carrier is unloaded is a fixed value, the height can be measured by the displacement sensor 5 and is recorded as L0, the total amount of the sample is firstly weighed by a balance before the powder resistor is placed in the carrier 3 and is recorded as m, the height after the powder resistor is loaded in the carrier 3 and is measured by the displacement sensor 5 and is recorded as L1, according to a resistivity formula,
where L is L1 to L0, the resistivity of the powder resistance can be obtained, and further, by a density formula,
the density of the powder resistor can be obtained, and the density value and the resistivity of the powder resistor under different pressures can be obtained by changing the output value of the piezoelectric cylinder and further changing the pressure born by the powder resistor.
In this embodiment, the pressurizing electric cylinder includes: a servo driver 11, a servo motor 12 and a transmission mechanism 7;
the servo driver 11 is electrically connected with the output end of the controller, the servo driver 11 is electrically connected with the servo motor 12, the output end of the servo motor 12 is integrated with the transmission mechanism 7, and the servo motor 12 applies pressure to the carrier 3 through the transmission mechanism 7.
It should be noted that the transmission mechanism 7 may be a screw rod, and is used for connecting an output end of the servo motor 12, so as to convert the rotational motion of the servo motor 12 into a linear motion, that is, the linear motion of the transmission mechanism 7, and then apply pressure to the second support plate 2, so as to push the carrier 3 to cooperate with the second pressing head 4, so as to apply pressure to the powder resistor, the servo driver 11 is used for receiving a pulse signal of the controller, so as to drive the servo motor 12, in other embodiments, the transmission mechanism 7 may be propelled in other manners, for example, a stepping motor and a controller may be employed, or a controller, a frequency converter and a motor may be employed to cooperate with the transmission mechanism 7, where it is preferable that the servo driver 11 and the servo motor 12 cooperate with the transmission mechanism 7, the solutions can be specifically set according to actual situations, and are not specifically limited herein, but the solutions are within the protection scope of the present invention.
In this embodiment, the type of the displacement sensor 5 may be: HG-S1010.
It should be noted that, in other embodiments, the displacement sensor 5 may be of another type, and is configured to test the height of the powder resistor to be tested, and send the height value to the controller, and the selection of the type of the displacement sensor 5 may be selected according to actual situations, which is not specifically limited herein.
In this embodiment, the supporting frame includes a first fixing plate 8 and a second fixing plate 9, and a column located between the first fixing plate 8 and the second fixing plate 9, and two ends of the column are respectively disposed on the first fixing plate 8 and the second fixing plate 9.
It should be noted that, the upper and lower portions of the supporting frame are provided with a first fixing plate 8 and a second fixing plate 9, and the two ends of the upright are respectively fixed on the first fixing plate 8 and the second fixing plate 9, where 4 pillars are preferably provided, and 3 or 5 pillars may be provided in other embodiments, the first fixing plate 8 and the second fixing plate 9 may be made of metal, and the upper and lower portions of the supporting frame may also be provided with fixing plates made of other materials, such as plastic material or wooden supporting plates, which may be correspondingly provided according to actual situations, and are not specifically limited herein, but are all within the protection scope of the present invention.
In the present embodiment, a pressure sensor 6 is further included; the pressure sensor 6 is arranged on the first fixing plate 8, the pressure sensor 6 is in contact with the upper surface of the first supporting plate 1, and the pressure sensor 6 is electrically connected with the input end of the controller.
It should be noted that the signal of the pressure sensor 6 may be NS-TH3A, and in other embodiments, it may also be another type of pressure sensor 6, which is used to test the pressure endured by the powder resistor to be tested and send the pressure value to the controller 11, and the type of the pressure sensor 68 may be selected according to the actual situation, and is not limited specifically here.
In this embodiment, the controller may be a PLC controller.
It should be noted that, an analog input interface is arranged on the controller, and is used for receiving analog signals of the pressure sensor 6 and the displacement sensor 5, and an output end of the controller may output a pulse signal for driving the servo motor 12, where a PLC controller is preferably adopted, which may be a siemens PLC or a mitsubishi PLC, and is not specifically limited here.
In this embodiment, the method further includes: a touch screen; the touch screen is electrically connected with the controller.
It should be noted that, the touch screen can be used for displaying parameters such as pressure value, density value, resistivity, etc. of the powder resistor in the current state, and can also be used for sending control instructions to a plurality of controllers, and certainly in other embodiments, the touch screen can also be an upper computer other than the touch screen, such as a computer, etc., and here, the touch screen is not specifically limited, but these schemes are all in the protection scope of the present invention.
In this embodiment, the second ram 4 and the second ram are made of brass.
It should be noted that the powder resistor to be measured is disposed between the second indenter 4 and the second indenter, and the material of the terminal is preferably brass, and in other embodiments, other materials may also be used, and are not limited specifically here.
Based on the utility model provides a powder resistance tester, through loading powder resistance in carrier 3, promote carrier 3 through the electric jar to cooperate with last pressure head, exert pressure to the powder resistance who loads in carrier 3, measure powder resistance's height through displacement sensor 5, calculate out powder resistance's resistivity through the controller to it, through pressure sensor 6's cooperation, can test out the powder resistivity under the different pressure.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection.
Claims (10)
1. A powder resistance tester, comprising: the device comprises a controller, a pressure applying electric cylinder, a base for fixing the pressure applying electric cylinder, a measuring device and a supporting frame for placing the measuring device, wherein the supporting frame is arranged above the pressure applying electric cylinder;
the measuring device comprises a first supporting plate, a second supporting plate, a carrier for placing a powder resistor, a displacement sensor and a first pressure head, wherein the displacement sensor is arranged on the lower surface of the first supporting plate, the carrier is fixed on the second supporting plate, and the first pressure head is arranged on the lower surface of the first supporting plate and is used for being matched with the carrier;
the input end of the controller is electrically connected with the displacement sensor, and the output end of the controller is electrically connected with the pressurizing electric cylinder.
2. The powder resistance tester of claim 1, wherein the controller is a PLC controller.
3. The powder resistance tester of claim 1, wherein the displacement sensor is of the type: HG-S1010.
4. The powder resistance tester of claim 1, wherein the supporting frame comprises a first fixing plate and a second fixing plate, and a column disposed between the first fixing plate and the second fixing plate, and two ends of the column are disposed on the first fixing plate and the second fixing plate, respectively.
5. The powder resistance tester of claim 4, further comprising a pressure sensor; the pressure sensor is arranged on the first fixing plate, the pressure sensor is in contact with the upper surface of the first supporting plate, and the pressure sensor is electrically connected with the input end of the controller.
6. The powder resistance tester of claim 1, wherein the piezoelectric cylinder comprises: the servo driver, the servo motor and the transmission mechanism;
the servo driver is electrically connected with the output end of the controller, the servo driver is electrically connected with the servo motor, the output end of the servo motor is integrated with the transmission mechanism, and the servo motor applies pressure to the carrier through the transmission mechanism.
7. The powder resistance tester of claim 1, further comprising: a touch screen; the touch screen is electrically connected with the controller.
8. The powder resistance tester of claim 1, wherein a second ram is disposed within the carrier and is oriented opposite the first ram.
9. The powder resistance tester of claim 8, wherein the first ram and the second ram are brass.
10. The powder resistance tester according to claim 1, wherein the first support plate is provided with a first conductive terminal, and the second support plate is provided with a second conductive terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921437663.4U CN210690692U (en) | 2019-08-30 | 2019-08-30 | Powder resistance tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921437663.4U CN210690692U (en) | 2019-08-30 | 2019-08-30 | Powder resistance tester |
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| Publication Number | Publication Date |
|---|---|
| CN210690692U true CN210690692U (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921437663.4U Active CN210690692U (en) | 2019-08-30 | 2019-08-30 | Powder resistance tester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441607A (en) * | 2019-08-30 | 2019-11-12 | 元能科技（厦门）有限公司 | A kind of p owder resistivity tester |
-
2019
- 2019-08-30 CN CN201921437663.4U patent/CN210690692U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441607A (en) * | 2019-08-30 | 2019-11-12 | 元能科技（厦门）有限公司 | A kind of p owder resistivity tester |
| CN110441607B (en) * | 2019-08-30 | 2023-12-29 | 元能科技（厦门）有限公司 | Powder resistance tester |
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