CN220710042U - Device for improving temperature drift offset of resistor - Google Patents
Device for improving temperature drift offset of resistor Download PDFInfo
- Publication number
- CN220710042U CN220710042U CN202322005227.2U CN202322005227U CN220710042U CN 220710042 U CN220710042 U CN 220710042U CN 202322005227 U CN202322005227 U CN 202322005227U CN 220710042 U CN220710042 U CN 220710042U
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- ceramic
- temperature drift
- ceramic base
- low
- resistor
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- 239000000919 ceramic Substances 0.000 claims abstract description 73
- 238000010438 heat treatment Methods 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model relates to a device for improving resistance temperature drift offset, which comprises: a ceramic base and a low temperature drift resistor; the low temperature drift resistor is arranged on the top of the ceramic base. The utility model can meet the circuit performance by using the ceramic base and low-specification low-temperature drift resistor, and can be directly tested after being started.
Description
Technical Field
The utility model relates to the technical field of low-temperature drift resistors, in particular to a device for improving temperature drift deflection of a resistor.
Background
At present, most of the low-temperature drift resistors with the specification of 1 are adopted, and the low-temperature drift resistors with the specification of 1 are high in price, high in manufacturing process requirement and long in production period. 2. The machine needs a temperature machine, and the temperature of the instrument is increased and then the instrument is tested, so that the production time is wasted.
The low temperature drift resistor is generally applied to a precise circuit and plays an important role in the performance of an instrument. The temperature of the instrument is relatively low when the instrument is just started, and the performance of the low-temperature drift resistor is relatively poor. The test results are affected if the test is performed at this time.
Disclosure of Invention
Therefore, the utility model aims to solve the technical problem that the machine in the prior art needs a warm machine, and wastes time.
In order to solve the above technical problems, the present utility model provides a device for improving resistance temperature drift, comprising: a ceramic base and a low temperature drift resistor (4);
the low-temperature drift resistor (4) is arranged on the top of the ceramic base.
In one embodiment of the utility model, the ceramic base comprises an upper ceramic floor (1);
the low-temperature drift resistor (4) is arranged on the upper ceramic bottom plate (1).
In one embodiment of the utility model, the ceramic base further comprises a ceramic heating plate (2);
the upper ceramic bottom plate (1) is arranged on the ceramic heating plate (2).
In one embodiment of the utility model, the ceramic base further comprises a lower ceramic floor (3);
the ceramic heating plate (2) is arranged on the lower ceramic bottom plate (3).
In one embodiment of the utility model, a plurality of temperature sensing points (5) are also included;
and a plurality of temperature sensing points (5) are arranged on the upper ceramic base plate (1).
In one embodiment of the utility model, the power supply further comprises a power supply positive electrode (6) and a power supply negative electrode (7);
the power supply anode (6) and the power supply cathode (7) are both arranged on the ceramic heating plate (2).
In one embodiment of the utility model, the areas of the upper ceramic soleplate (1), the ceramic heating plate (2) and the lower ceramic soleplate (3) are sequentially increased.
In one embodiment of the utility model, the device further comprises a control device (8);
the control device (8) is respectively connected with the plurality of temperature sensing points (5).
In one embodiment of the utility model, the control device (8) is also connected to the positive power supply (6) and the negative power supply (7), respectively.
In one embodiment of the utility model, the display device (9) is further included;
the display device (9) is connected with the control device (8).
Compared with the prior art, the technical scheme of the utility model has the following advantages:
the utility model relates to a device for improving resistance temperature drift, which comprises: a ceramic base and a low temperature drift resistor 4; the low temperature drift resistor 4 is arranged on the top of the ceramic base. The utility model can meet the circuit performance by using the ceramic base and using the low-temperature drift resistor 4 with low specification, and can be directly tested after being started.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
FIG. 1 is a schematic diagram of an apparatus for improving resistance temperature drift in accordance with the present utility model;
FIG. 2 is a flow chart of an apparatus for improving resistance temperature drift in accordance with the present utility model;
description of the specification reference numerals: 1. a ceramic base plate is arranged; 2. a ceramic heating plate; 3. a lower ceramic bottom plate; 4. a low temperature drift resistor; 5. a temperature sensing point; 6. a power supply positive electrode; 7. a power supply negative electrode; 8. a control device; 9. a display device.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Example 1
Referring to fig. 1, an apparatus for improving resistance temperature drift offset according to the present utility model includes: a ceramic base and a low temperature drift resistor 4;
the low temperature drift resistor 4 is arranged on the top of the ceramic base.
The ceramic base comprises an upper ceramic base plate 1;
the low-temperature drift resistor 4 is arranged on the upper ceramic base plate 1; the ceramic base is used for rapidly heating the low-temperature drift resistor 4.
The ceramic base also comprises a ceramic heating plate 2;
the upper ceramic base plate 1 is arranged on the ceramic heating plate 2.
The ceramic base also comprises a lower ceramic bottom plate 3;
the ceramic heating plate 2 is arranged on the lower ceramic bottom plate 3.
Also comprises a plurality of temperature sensing points 5;
a plurality of temperature sensing points 5 are all arranged on the upper ceramic base plate 1.
The power supply also comprises a power supply anode 6 and a power supply cathode 7;
the power supply anode 6 and the power supply cathode 7 are both arranged on the ceramic heating plate 2.
The areas of the upper ceramic base plate 1, the ceramic heating plate 2 and the lower ceramic base plate 3 are sequentially increased.
Further comprising a control device 8;
the control device 8 is connected to the plurality of temperature sensing points 5.
The control device 8 is also connected to the positive power supply electrode 6 and the negative power supply electrode 7, respectively.
Also comprises a display device 9;
the display device 9 is connected to the control device 8.
Example 2
Referring to fig. 2, the scheme comprises an upper ceramic base plate 1, a ceramic heating plate 2 and a lower ceramic base plate 3, wherein the upper ceramic base plate 1 is provided with a low-temperature drift resistor 4 and a temperature sensing point 5. By adopting the scheme, the circuit performance can be met by using the low-specification low-temperature drift resistor 4, and the test can be directly performed after the power-on.
When the instrument is started, the MCU controls the power supply current, and the ceramic heating plate 2 is supplied with large current to quickly heat the ceramic heating plate 2, and the optimal value of the general resistance temperature drift is 25 ℃. A ceramic substrate can be achieved on about 30 seconds.
When the temperature of 5 temperature sensing points 5 of the upper ceramic substrate is 25+/-1 ℃, the MCU controls the power supply current to be changed into constant current control, so that the temperature of the upper ceramic substrate is kept at 25 ℃.
At this time, the temperature drift of the low temperature drift resistor 4 is in an optimal state.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (5)
1. An apparatus for improving resistance temperature drift deflection, comprising: a ceramic base and a low temperature drift resistor (4);
the low-temperature drift resistor (4) is arranged at the top of the ceramic base;
the ceramic base comprises an upper ceramic bottom plate (1); the low-temperature drift resistor (4) is arranged on the upper ceramic bottom plate (1); the ceramic base also comprises a ceramic heating plate (2); the upper ceramic bottom plate (1) is arranged on the ceramic heating plate (2); the ceramic base also comprises a lower ceramic bottom plate (3); the ceramic heating plate (2) is arranged on the lower ceramic bottom plate (3);
also comprises a plurality of temperature sensing points (5); a plurality of temperature sensing points (5) are arranged on the upper ceramic base plate (1);
also comprises a control device (8); the control device (8) is respectively connected with the plurality of temperature sensing points (5).
2. The device according to claim 1, further comprising a power supply positive electrode (6) and a power supply negative electrode (7);
the power supply anode (6) and the power supply cathode (7) are both arranged on the ceramic heating plate (2).
3. The device according to claim 1, characterized in that the areas of the upper ceramic soleplate (1), the ceramic heating plate (2) and the lower ceramic soleplate (3) are sequentially increased.
4. The device according to claim 2, characterized in that the control device (8) is also connected to the positive supply electrode (6) and the negative supply electrode (7), respectively.
5. The device according to claim 4, further comprising a display device (9);
the display device (9) is connected with the control device (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322005227.2U CN220710042U (en) | 2023-07-28 | 2023-07-28 | Device for improving temperature drift offset of resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322005227.2U CN220710042U (en) | 2023-07-28 | 2023-07-28 | Device for improving temperature drift offset of resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220710042U true CN220710042U (en) | 2024-04-02 |
Family
ID=90450157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322005227.2U Active CN220710042U (en) | 2023-07-28 | 2023-07-28 | Device for improving temperature drift offset of resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220710042U (en) |
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2023
- 2023-07-28 CN CN202322005227.2U patent/CN220710042U/en active Active
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