CN218629976U - Resistance measuring device for alloy resistors of different specifications - Google Patents
Resistance measuring device for alloy resistors of different specifications Download PDFInfo
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- CN218629976U CN218629976U CN202222713033.3U CN202222713033U CN218629976U CN 218629976 U CN218629976 U CN 218629976U CN 202222713033 U CN202222713033 U CN 202222713033U CN 218629976 U CN218629976 U CN 218629976U
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Abstract
The utility model discloses a resistance measuring device for different specification alloy resistance. The utility model discloses a device includes: the elbow pressing clamp comprises a fixing frame, a connecting rod mechanism and a lifting column, wherein the fixing frame is fixed on the back plate, a vertical through hole is formed in the fixing frame, one end of the lifting column is connected with the connecting rod mechanism, and the other end of the lifting column penetrates through the vertical through hole and is connected with the probe seat; the connecting rod mechanism comprises a handle and a connecting rod, and the lifting column can be driven to move up and down in the vertical through hole by pressing the handle; the linear guide is arranged on the back plate, the probe seat is provided with a sliding block which is matched with the linear guide, more than two groups of clamping grooves are arranged on the lower side of the probe seat and used for placing probes, the resistor seat is provided with a placing groove, the size of the placing groove is matched with the size of the largest alloy resistor, the probe seat further comprises an XY-axis precise displacement platform, the resistor carrier seat is arranged on the XY-axis precise displacement platform, and the resistor seat is arranged on the resistor carrier seat. The utility model discloses can carry out the accurate resistance-measuring to the alloy resistance of different specifications.
Description
Technical Field
The utility model relates to an alloy resistor technical field, concretely relates to resistance measuring device for different specification alloy resistors.
Background
The alloy resistor is a resistor using alloy as a current medium, and generally has the characteristics of low resistance, high precision, low temperature coefficient, impact current resistance, high power and the like. The alloy resistor generally has a low resistance value such as 1 milliohm, 10 milliohm, 100 milliohm and the like because of the high conductivity of metal. Therefore, the current feedback circuit is often used for sampling current in a circuit and feeding back the current changed in the circuit so as to further control or influence the change of the current, and the products mainly used comprise a battery protection board, a power supply, a frequency converter, a lamp, a motor and the like.
The alloy resistor has different specifications, the resistance values of the alloy resistors of the different specifications are different, and the sizes of the alloy resistors are also different, but in the prior art, for example, a low-resistance detection jig of a chip resistor with the publication number of CN 214174507U is used for placing the alloy resistor in a limiting groove of a conducting layer, a circuit board is installed in the limiting groove, an electrode of the alloy resistor is connected with the circuit board, and then the current and the voltage of the alloy resistor are detected through a connected tester, so that the resistance of the alloy resistor is calculated.
In order to solve the technical problem, the utility model provides a resistance measuring device for different specification alloy resistance.
Disclosure of Invention
The utility model aims at overcoming the not enough of prior art, providing a survey and hinder device for different specification alloy resistance, can carry out the accuracy to the alloy resistance of different specifications and survey and hinder.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a resistance measuring device for alloy resistors with different specifications comprises a base, a back plate, an elbow pressing clamp, a probe seat, a linear guide rail, a resistor seat and a resistor carrier seat;
the back plate is arranged on the base, and the elbow pressing clamp is arranged on the back plate;
the elbow pressing clamp comprises a fixing frame, a connecting rod mechanism and a lifting column, the fixing frame is fixed on the back plate, a vertical through hole is formed in the fixing frame, one end of the lifting column is connected with the connecting rod mechanism, and the other end of the lifting column penetrates through the vertical through hole and is connected with the probe seat; the connecting rod mechanism comprises a handle and a connecting rod, one end of the handle is connected with the fixing frame, the handle is connected with the lifting column through the connecting rod, and the lifting column can be driven to move up and down in the vertical through hole by pressing the handle;
the linear guide rail is arranged on the back plate, and the probe seat is provided with a sliding block which is matched with the linear guide rail;
more than two groups of clamping grooves are formed in the lower side of the probe seat and used for placing probes, each group comprises four clamping grooves, and each group aims at the electrode position of the alloy resistor with the same specification;
the resistor seat is provided with a placing groove for the alloy resistor, and the size of the placing groove is adapted to the size of the maximum size of the alloy resistor; the center of the resistor seat is aligned with the center of the probe seat;
the probe base is characterized by further comprising an XY-axis precise displacement platform, the resistance carrier base is arranged on the XY-axis precise displacement platform, the resistance base is arranged on the resistance carrier base, and the XY-axis precise displacement platform can adjust the XY-axis position of the resistance base according to the size of the alloy resistor, so that the center of the alloy resistor is aligned with the center of the probe base.
The XY-axis precision displacement table is a device in the prior art and can be directly used.
Preferably, a length clamping plate and a width clamping plate are arranged in the placing groove of the resistor seat, the length clamping plate is connected with the resistor seat through a first spring, the width clamping plate is connected with the resistor seat through a second spring, the length clamping plate limits the position of the alloy resistor in the Y direction under the action of the first spring, and the width clamping plate limits the position of the alloy resistor in the X direction under the action of the second spring, so that the position stability of the alloy resistor is improved, and the resistance measuring accuracy is enhanced.
Preferably, one side of the length clamping plate is provided with an elastic buffer pad used for being in contact with the alloy resistor to protect the alloy resistor.
Preferably, one side of the width clamping plate is provided with an elastic buffer pad used for being in contact with the alloy resistor to protect the alloy resistor.
Preferably, the resilient cushion is an insulator.
Preferably, the height of the length clamping plate is higher than the depth of the placing groove.
Preferably, the height of the width clamping plate is higher than the depth of the placing groove.
Preferably, the length of the length clamping plate is equal to 20-90% of the length of the placing groove.
Preferably, the length of the width clamping plate is equal to 10-80% of the length of the placing groove.
Specifically, the elbow pressing clamp is in an original state, the handle is located above the back plate, a clamping groove of a corresponding group is selected according to the specification of a target alloy resistor, the probe is placed into the clamping groove, then the alloy resistor is placed into the placing groove, one angle of the alloy resistor is aligned with one angle of the placing groove, then the XY-axis precise displacement table is operated according to the difference between the length and the width of the alloy resistor and the size of the placing groove, the movement is carried out on an X axis and a Y axis, the center of the alloy resistor is aligned with the center of the probe seat, the handle is pressed downwards, the lifting column drives the probe seat to be pressed downwards to the resistor seat, the probe is communicated with the electrode, and the resistance measurement is further carried out.
If the alloy resistor to be tested is consistent with the placing groove in size, the alloy resistor to be tested can be directly placed into the placing groove, the handle is pressed downwards, the lifting column drives the probe seat to be pressed downwards to the resistor seat, the probe is communicated with the electrode, and then resistance testing is conducted.
The utility model discloses beneficial effect lies in:
the utility model arranges an XY axis precision displacement platform at the bottom of the resistance carrier seat to adjust the position of the alloy resistance on the XY axis, so that the center of the alloy resistance is aligned with the center of the probe seat, and the probe is contacted with the electrode of the alloy resistance and the resistance is measured;
the utility model discloses a setting up the place recess that suits with the biggest specification size of alloy resistance for the alloy resistance of different specifications all can put into placing the recess, then through the operation of the accurate displacement platform of XY axle, make the center of alloy resistance align with the probe seat center, and then make the electrode contact of probe and alloy resistance and survey and hinder;
with the adoption of the scheme, the utility model discloses can survey the resistance to the alloy resistance of different specifications.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of a resistor seat in embodiment 2 of the present invention.
In the figure, 1-a back plate, 2-an elbow pressing clamp, 3-a probe seat, 4-a resistor seat, 5-a resistor carrier seat, 6-an XY axis precision displacement table, 7-a linear guide rail and 8-a base;
21-a fixed frame, 22-a connecting rod mechanism and 23-a lifting column;
41-placing groove, 42-length clamping plate and 43-width clamping plate.
Detailed Description
In order to make the technical problem, technical solution and beneficial effects to be solved by the present invention more clearly understood, the following description is made in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example 1:
as shown in fig. 1, a resistance measuring device for alloy resistors of different specifications comprises a base 8, a back plate 1, an elbow pressing clamp 2, a probe seat 3, a linear guide rail 7, a resistor seat 4 and a resistor carrier seat 5;
the back plate 1 is arranged on the base 8, and the elbow pressing clamp 2 is arranged on the back plate 1;
the elbow pressing clamp 2 comprises a fixing frame 21, a connecting rod mechanism 22 and a lifting column 23, wherein the fixing frame 21 is fixed on the back plate 1, a vertical through hole is formed in the fixing frame 21, one end of the lifting column 23 is connected with the connecting rod mechanism 22, and the other end of the lifting column 23 penetrates through the vertical through hole and is connected with the probe seat 3; the link mechanism 22 comprises a handle and a connecting rod, one end of the handle is connected with the fixing frame 21, the handle is connected with the lifting column 23 through the connecting rod, and the handle is pressed downwards to drive the lifting column 23 to move up and down in the vertical through hole;
the linear guide rail 7 is arranged on the back plate 1, and a sliding block is arranged on the back surface of the probe seat 3 and matched with the linear guide rail 7;
more than two groups of clamping grooves are formed in the lower side of the probe seat 3 and used for placing probes, each group is provided with four clamping grooves, and each group is used for aiming at the electrode position of the alloy resistor with the same specification;
the resistor seat 4 is provided with a placing groove 41 for the alloy resistor, and the size of the placing groove 41 is adapted to the maximum size of the alloy resistor; the center of the resistor seat 4 is aligned with the center of the probe seat 3;
the probe base is characterized by further comprising an XY-axis precise displacement platform 6, the resistance carrier base 5 is arranged on the XY-axis precise displacement platform 6, the resistance base 4 is arranged on the resistance carrier base 5, and the XY-axis precise displacement platform 6 can adjust the position of the resistance base 4 on the XY axis according to the size of the alloy resistor, so that the center of the alloy resistor is aligned with the center of the probe base 3.
The XY-axis precision displacement table 6 is a prior art device and can be taken for direct use.
Specifically, the elbow pressing clamp 2 is in an original state, the handle is located above the back plate 1, a clamping groove corresponding to a group is selected according to the specification of a target alloy resistor, the probe is placed into the clamping groove, then the alloy resistor is placed in the placing groove, one angle of the alloy resistor is aligned with one angle of the placing groove, then the XY-axis precision displacement table 6 is operated according to the difference between the length and the width of the alloy resistor and the size of the placing groove, the movement is carried out on the X axis and the Y axis, the center of the alloy resistor is aligned with the center of the probe seat 3, then the handle is pressed downwards, the lifting column 23 drives the probe seat 3 to be pressed downwards to the resistor seat 4, the probe is communicated with the electrode, and the resistance measurement is carried out.
If the alloy resistor to be measured is consistent with the size of the placing groove, the alloy resistor to be measured can be directly placed into the placing groove, the handle is pressed downwards, the lifting column 23 drives the probe seat 3 to be pressed downwards to the resistor seat 4, the probe is communicated with the electrode, and then resistance measurement is carried out.
Example 2:
as shown in fig. 1, a resistance measuring device for alloy resistors of different specifications comprises a base 8, a back plate 1, an elbow pressing clamp 2, a probe seat 3, a linear guide rail 7, a resistor seat 4 and a resistor carrier seat 5;
the back plate 1 is arranged on the base 8, and the elbow pressing clamp 2 is arranged on the back plate 1;
the elbow pressing clamp 2 comprises a fixing frame 21, a connecting rod mechanism 22 and a lifting column 23, wherein the fixing frame 21 is fixed on the back plate 1, a vertical through hole is formed in the fixing frame 21, one end of the lifting column 23 is connected with the connecting rod mechanism 22, and the other end of the lifting column 23 penetrates through the vertical through hole and is connected with the probe seat 3; the link mechanism 22 comprises a handle and a connecting rod, one end of the handle is connected with the fixing frame 21, the handle is connected with the lifting column 23 through the connecting rod, and the lifting column 23 can be driven to move up and down in the vertical through hole by pressing the handle;
the linear guide rail 7 is arranged on the back plate 1, and a sliding block is arranged on the back surface of the probe seat 3 and matched with the linear guide rail 7;
more than two groups of clamping grooves are formed in the lower side of the probe seat 3 and used for placing probes, each group is provided with four clamping grooves, and each group is used for aiming at the electrode position of the alloy resistor with the same specification;
the resistor seat 4 is provided with a placing groove 41 for the alloy resistor, and the size of the placing groove 41 is adapted to the maximum size of the alloy resistor; the center of the resistor seat 4 is aligned with the center of the probe seat 3;
the probe base is characterized by further comprising an XY-axis precise displacement platform 6, the resistance carrier base 5 is arranged on the XY-axis precise displacement platform 6, the resistance base 4 is arranged on the resistance carrier base 5, and the XY-axis precise displacement platform 6 can adjust the position of the resistance base 4 on the XY axis according to the size of the alloy resistor, so that the center of the alloy resistor is aligned with the center of the probe base 3.
The XY-axis precision displacement table 6 is a prior art device and can be taken for direct use.
Preferably, a length clamping plate 42 and a width clamping plate 43 are arranged in the placing groove 41 of the resistor seat 4, the length clamping plate 42 is connected with the resistor seat 4 through a first spring, the width clamping plate 43 is connected with the resistor seat 4 through a second spring, the length clamping plate 42 limits the position of the alloy resistor in the Y direction under the action of the first spring, and the width clamping plate 43 limits the position of the alloy resistor in the X direction under the action of the second spring, so that the position stability of the alloy resistor is increased, and the resistance measuring accuracy is enhanced.
One side of the length clamping plate is provided with an elastic cushion pad which is used for being in contact with the alloy resistor to protect the alloy resistor.
One side of the width clamping plate is provided with an elastic buffer pad which is used for being in contact with the alloy resistor to protect the alloy resistor.
The elastic buffer cushion is an insulator.
The height of the length clamping plate is higher than the depth of the placing groove.
The height of the width clamping plate is higher than the depth of the placing groove.
The length of the length clamping plate is equal to 20 to 90 percent of the length of the placing groove.
The length of the width clamping plate is equal to 10-80% of the length of the placing groove.
Specifically, the elbow pressing clamp 2 is in an original state, the handle is located above the back plate 1, a clamping groove corresponding to a group is selected according to the specification of a target alloy resistor, the probe is placed into the clamping groove, then the first spring and the second spring are compressed, the alloy resistor is placed in the placing groove, one corner of the alloy resistor is aligned with one corner of the placing groove, then under the restoring force operation of the first spring and the second spring, the position of the alloy resistor is accurately limited, then the XY-axis precise displacement table 6 is operated according to the difference between the length and the width of the alloy resistor and the size of the placing groove, the X-axis precise displacement table and the Y-axis precise displacement table move, the center of the alloy resistor is aligned with the center of the probe seat 3, the handle is pressed downwards, the lifting column 23 drives the probe seat 3 to be pressed downwards to the resistor seat 4, the probe is communicated with an electrode, and resistance measurement is further carried out.
If the alloy resistor to be tested is consistent with the placing groove in size, the alloy resistor to be tested can be directly placed into the placing groove, the handle is pressed downwards, the lifting column 23 drives the probe seat 3 to be pressed downwards to the resistor seat 4, the probe is communicated with the electrode, and then resistance testing is carried out.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. A resistance measuring device for alloy resistors with different specifications comprises a base, a back plate, an elbow pressing clamp, a probe seat, a linear guide rail, a resistor seat and a resistor load seat; the back plate is arranged on the base, and the elbow pressing clamp is arranged on the back plate; the elbow pressing clamp comprises a fixing frame, a connecting rod mechanism and a lifting column, the fixing frame is fixed on the back plate, a vertical through hole is formed in the fixing frame, one end of the lifting column is connected with the connecting rod mechanism, and the other end of the lifting column penetrates through the vertical through hole and is connected with the probe seat; the connecting rod mechanism comprises a handle and a connecting rod, one end of the handle is connected with the fixing frame, the handle is connected with the lifting column through the connecting rod, and the lifting column can be driven to move up and down in the vertical through hole by pressing the handle; the linear guide rail is arranged on the back plate, and the probe seat is provided with a sliding block which is matched with the linear guide rail; the method is characterized in that: more than two groups of clamping grooves are formed in the lower side of the probe seat and used for placing probes, and each group comprises four clamping grooves; the resistor seat is provided with a placing groove of the alloy resistor, and the size of the placing groove is adapted to the size of the largest size of the alloy resistor; the center of the resistor seat is aligned with the center of the probe seat; the probe base is characterized by further comprising an XY-axis precise displacement platform, the resistance carrier base is arranged on the XY-axis precise displacement platform, the resistance base is arranged on the resistance carrier base, and the XY-axis precise displacement platform can adjust the XY-axis position of the resistance base according to the size of the alloy resistor, so that the center of the alloy resistor is aligned with the center of the probe base.
2. The resistance measuring device for the alloy resistors with different specifications as claimed in claim 1, wherein: the alloy resistor is characterized in that a length clamping plate and a width clamping plate are arranged in the resistor seat placing groove, the length clamping plate is connected with the resistor seat through a first spring, the width clamping plate is connected with the resistor seat through a second spring, the position of the alloy resistor in the Y direction is limited under the action of the first spring, and the position of the alloy resistor in the X direction is limited under the action of the second spring by the width clamping plate.
3. The resistance measuring device for the alloy resistors with different specifications as claimed in claim 2, wherein: one side of the length clamping plate is provided with an elastic cushion pad.
4. The resistance measuring device for the alloy resistors with different specifications as claimed in claim 3, wherein: one side of the width clamping plate is provided with an elastic cushion pad.
5. The resistance measuring device for the alloy resistors with different specifications as recited in claim 4, wherein: the elastic buffer cushion is an insulator.
6. The resistance measuring device for the alloy resistors with different specifications as recited in claim 5, wherein: the height of the length clamping plate is higher than the depth of the placing groove.
7. The resistance measuring device for the alloy resistors with different specifications as recited in claim 6, wherein: the height of the width clamping plate is higher than the depth of the placing groove.
8. The resistance measuring device for the alloy resistors with different specifications as recited in claim 7, wherein: the length of the length clamping plate is equal to 20 to 90 percent of the length of the placing groove.
9. The resistance measuring device for the alloy resistors with different specifications as recited in claim 8, wherein: the length of the width clamping plate is equal to 10 to 80 percent of the length of the placing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222713033.3U CN218629976U (en) | 2022-10-15 | 2022-10-15 | Resistance measuring device for alloy resistors of different specifications |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222713033.3U CN218629976U (en) | 2022-10-15 | 2022-10-15 | Resistance measuring device for alloy resistors of different specifications |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218629976U true CN218629976U (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222713033.3U Active CN218629976U (en) | 2022-10-15 | 2022-10-15 | Resistance measuring device for alloy resistors of different specifications |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218629976U (en) |
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2022
- 2022-10-15 CN CN202222713033.3U patent/CN218629976U/en active Active
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