CN219369879U - High-precision resistance measuring device - Google Patents
High-precision resistance measuring device Download PDFInfo
- Publication number
- CN219369879U CN219369879U CN202320026203.2U CN202320026203U CN219369879U CN 219369879 U CN219369879 U CN 219369879U CN 202320026203 U CN202320026203 U CN 202320026203U CN 219369879 U CN219369879 U CN 219369879U
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- China
- Prior art keywords
- resistance measuring
- annular groove
- sealing strip
- placing cavity
- measuring instrument
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Measurement Of Resistance Or Impedance (AREA)
Abstract
The utility model discloses a high-precision resistance measuring device, which comprises a box body and a resistance measuring instrument body; the inside of the box body is divided into a placing cavity, the resistance measuring instrument body is arranged in the placing cavity, and a rectangular sealing strip matched with the top of the resistance measuring instrument body is fixedly arranged at the top of the inner wall of the placing cavity; an exhaust fan is fixedly inserted into the top of one side of the placing cavity, and an air inlet component is inserted into the top of the other side of the placing cavity; the top of the peripheral wall of the resistance measuring instrument body is provided with a horizontally arranged first annular groove, the inner ring of the rectangular sealing strip is sleeved in the first annular groove, and the inner ring of the rectangular sealing strip is tightly matched with the bottom of the first annular groove. The high-precision resistance measuring device can prevent the rectangular sealing strip from falling out of the resistance measuring instrument body, can ensure that the top of the placing cavity is always effectively sealed by the rectangular sealing strip, and ensures the effect and efficiency of cooling the inside of the placing cavity, thereby ensuring the normal measurement of the resistance measuring instrument body.
Description
Technical Field
The present utility model relates to a high-precision resistance measuring device.
Background
The chinese patent application No. 202022035720.5 discloses a high-precision resistance measuring device, as shown in fig. 1, which includes a case 1 and a resistance measuring instrument body 2; the inside of the box body 1 is divided into a placing cavity 4, the resistance measuring instrument body 2 is arranged in the placing cavity 4, and a rectangular sealing strip 9 matched with the top of the resistance measuring instrument body 2 is fixedly arranged at the top of the inner wall of the placing cavity 4; the rectangular sealing strip 9 is matched with the resistance measuring instrument body 2 to form a closed containing cavity in the placing cavity 4; an exhaust fan 13 is fixedly inserted into the top of one side of the placing cavity 4, and an air inlet assembly 15 is inserted into the top of the other side of the placing cavity 4; in the measuring process, the exhaust fan 13 can be started to cool the closed containing cavity of the placing cavity 4, so that the normal measurement of the resistance measuring instrument body 2 is ensured; in addition, the bottom of the resistance measuring instrument body 2 is also provided with the elastic sheet 10 and the damping component 11, so that buffering can be realized, and the damage to the resistance measuring instrument body 2 caused by collision or shaking in the carrying or using process is avoided.
Although the spring plate 10 and the damping component 11 can buffer the resistance measuring instrument body 2, the resistance measuring instrument body 2 can not avoid shaking up and down; as shown in fig. 1, the rectangular sealing strip 9 is only sleeved on the top end of the peripheral wall of the resistance measuring instrument body 2, and the top end of the peripheral wall of the resistance measuring instrument body 2 is relatively flat, so that the rectangular sealing strip 9 may be separated from the resistance measuring instrument body 2 when the resistance measuring instrument body 2 shakes up and down; the top of the placement cavity 4 cannot be effectively sealed by the rectangular sealing strip 9, which is likely to affect the effect and efficiency of cooling the interior of the placement cavity 4, and thus the normal measurement of the resistance measuring instrument body 2.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides a high-precision resistance measuring device which comprises a box body and a resistance measuring instrument body, wherein a placing cavity is partitioned from the interior of the box body, the resistance measuring instrument body is arranged in the placing cavity, and a rectangular sealing strip matched with the top of the resistance measuring instrument body is fixedly arranged at the top of the inner wall of the placing cavity; the rectangular sealing strip is matched with the resistance measuring instrument body to form a closed containing cavity in the placing cavity; an exhaust fan is fixedly inserted into the top of one side of the placing cavity, and an air inlet component is inserted into the top of the other side of the placing cavity;
the top of the peripheral wall of the resistance measuring instrument body is provided with a horizontally arranged first annular groove, the inner ring of the rectangular sealing strip is sleeved in the first annular groove, and the inner ring of the rectangular sealing strip is tightly matched with the bottom of the first annular groove.
Preferably, the groove width (vertical width) of the first annular groove is larger than the thickness (vertical thickness) of the rectangular sealing strip.
Preferably, the lower end of the first annular groove is close to the exhaust fan and the air inlet assembly.
Preferably, a horizontally arranged second annular groove is formed in the top of the inner peripheral wall of the placement cavity, the outer ring of the rectangular sealing strip is sleeved in the second annular groove, and the outer ring of the rectangular sealing strip is tightly matched with the bottom of the second annular groove.
Preferably, the groove width (vertical width) of the second annular groove is larger than the thickness (vertical thickness) of the rectangular sealing strip.
Preferably, the lower end of the second annular groove is close to the exhaust fan and the air inlet assembly.
The utility model has the advantages and beneficial effects that: the utility model provides a high accuracy resistance measurement device, it can prevent that rectangular sealing strip from deviating from the resistance measurement appearance body, can guarantee to place the top in chamber by rectangular sealing strip effective airtight all the time, guarantees to place effect and the efficiency that the intracavity portion cooled down, and then ensures the normal measurement of resistance measurement appearance body.
The top of the outer peripheral wall of the resistance measuring instrument body is provided with a horizontally arranged first annular groove, the top of the inner peripheral wall of the placing cavity is provided with a horizontally arranged second annular groove, the rectangular sealing strips are sleeved in the first annular groove and the second annular groove, and the groove widths (vertical widths) of the first annular groove and the second annular groove are larger than the thickness (vertical thickness) of the rectangular sealing strips; therefore, even if the resistance measuring instrument body shakes up and down, the rectangular sealing strip can not deviate from the first annular groove and the second annular groove, the top of the placing cavity can be guaranteed to be effectively sealed by the rectangular sealing strip all the time, the effect and the efficiency of cooling the inside of the placing cavity are guaranteed, and then the normal measurement of the resistance measuring instrument body is guaranteed.
The utility model relates to a local improvement of a high-precision resistance measuring device disclosed in China patent with the application number of 202022035720.5, which mainly comprises the steps of forming a first annular groove at the top of the outer peripheral wall of a resistance measuring instrument body, forming a second annular groove at the top of the inner peripheral wall of a placing cavity, and arranging rectangular sealing strips in the first annular groove and the second annular groove. The present utility model does not improve other parts of the patent, and other parts of the high-precision resistance measuring device can refer to the specification of the patent, and are not described herein.
Drawings
FIG. 1 is a schematic diagram of the prior art;
fig. 2 is a schematic diagram of the present utility model.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
The technical scheme of the utility model is as follows:
as shown in fig. 2, a high-precision resistance measuring device includes a case 1 and a resistance measuring instrument body 2; the inside of the box body 1 is divided into a placing cavity 4, the resistance measuring instrument body 2 is arranged in the placing cavity 4, and a rectangular sealing strip 9 matched with the top of the resistance measuring instrument body 2 is fixedly arranged at the top of the inner wall of the placing cavity 4; the rectangular sealing strip 9 is matched with the resistance measuring instrument body 2 to form a closed containing cavity in the placing cavity 4; an exhaust fan 13 is fixedly inserted into the top of one side of the placing cavity 4, and an air inlet assembly 15 is inserted into the top of the other side of the placing cavity 4; in the measuring process, the exhaust fan 13 can be started to cool the closed containing cavity of the placing cavity 4, so that the normal measurement of the resistance measuring instrument body 2 is ensured; in addition, the bottom of the resistance measuring instrument body 2 is also provided with a spring plate 10 and a damping component 11, so that the resistance measuring instrument body 2 can be buffered and is prevented from being damaged due to collision or shaking in the carrying or using process;
more specifically:
a first annular groove 26 which is horizontally arranged is formed in the top of the peripheral wall of the resistance measuring instrument body 2, the inner ring of the rectangular sealing strip 9 is sleeved in the first annular groove 26, and the inner ring of the rectangular sealing strip 9 is tightly matched with the bottom of the first annular groove 26; the groove width (vertical width) of the first annular groove 26 is larger than the thickness (vertical thickness) of the rectangular sealing strip 9; the lower end of the first annular groove 26 is close to the exhaust fan 13 and the air inlet assembly 15;
a second annular groove 41 which is horizontally arranged is formed in the top of the inner peripheral wall of the placing cavity 4, the outer ring of the rectangular sealing strip 9 is sleeved in the second annular groove 41, and the outer ring of the rectangular sealing strip 9 is tightly matched with the bottom of the second annular groove 41; the groove width (vertical width) of the second annular groove 41 is larger than the thickness (vertical thickness) of the rectangular sealing strip 9; the lower end of the second annular recess 41 is adjacent the suction fan 13 and the air intake assembly 15.
The top of the outer peripheral wall of the resistance measuring instrument body 2 is provided with a horizontally arranged first annular groove 26, the top of the inner peripheral wall of the placing cavity 4 is provided with a horizontally arranged second annular groove 41, the rectangular sealing strips 9 are sleeved in the first annular groove 26 and the second annular groove 41, and the groove widths (vertical widths) of the first annular groove 26 and the second annular groove 41 are larger than the thickness (vertical thickness) of the rectangular sealing strips 9; therefore, even if the resistance measuring instrument body 2 shakes up and down, the rectangular sealing strip 9 can not deviate from the first annular groove 26 and the second annular groove 41, the top of the placing cavity 4 can be guaranteed to be effectively sealed by the rectangular sealing strip 9 all the time, the cooling effect and efficiency of the inside of the placing cavity 4 are guaranteed, and then the normal measurement of the resistance measuring instrument body 2 is guaranteed.
From the above, the high-precision resistance measuring device can prevent the rectangular sealing strip 9 from falling out of the resistance measuring instrument body 2, can ensure that the top of the placing cavity 4 is always effectively sealed by the rectangular sealing strip 9, and ensures the effect and efficiency of cooling the inside of the placing cavity 4, thereby ensuring the normal measurement of the resistance measuring instrument body 2.
The utility model relates to a local improvement of a high-precision resistance measuring device disclosed in China patent with the application number of 202022035720.5, which mainly comprises the steps of forming a first annular groove 26 at the top of the outer peripheral wall of a resistance measuring instrument body 2, forming a second annular groove 41 at the top of the inner peripheral wall of a placing cavity 4, and arranging rectangular sealing strips 9 in the first annular groove 26 and the second annular groove 41. The present utility model does not improve other parts of the patent, and other parts of the high-precision resistance measuring device can refer to the specification of the patent, and are not described herein.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (6)
1. A high-precision resistance measuring device comprises a box body and a resistance measuring instrument body; the inside of the box body is divided into a placing cavity, the resistance measuring instrument body is arranged in the placing cavity, and a rectangular sealing strip matched with the top of the resistance measuring instrument body is fixedly arranged at the top of the inner wall of the placing cavity; an exhaust fan is fixedly inserted into the top of one side of the placing cavity, and an air inlet component is inserted into the top of the other side of the placing cavity; the method is characterized in that:
the top of the peripheral wall of the resistance measuring instrument body is provided with a horizontally arranged first annular groove, the inner ring of the rectangular sealing strip is sleeved in the first annular groove, and the inner ring of the rectangular sealing strip is tightly matched with the bottom of the first annular groove.
2. The high precision resistance measurement assembly of claim 1, wherein the first annular groove has a groove width greater than a thickness of the rectangular sealing strip.
3. The high precision resistance measurement assembly of claim 1, wherein the lower end of the first annular groove is proximate to an exhaust fan and an air intake assembly.
4. The high-precision resistance measurement device according to claim 1, wherein a second horizontal annular groove is formed in the top of the inner peripheral wall of the placement cavity, the outer ring of the rectangular sealing strip is sleeved in the second annular groove, and the outer ring of the rectangular sealing strip is tightly matched with the bottom of the second annular groove.
5. The high precision resistance measurement assembly of claim 4, wherein the second annular groove has a groove width greater than a thickness of the rectangular sealing strip.
6. The high precision resistance measurement assembly of claim 4, wherein the lower end of the second annular groove is proximate to the suction fan and the air intake assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320026203.2U CN219369879U (en) | 2023-01-06 | 2023-01-06 | High-precision resistance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320026203.2U CN219369879U (en) | 2023-01-06 | 2023-01-06 | High-precision resistance measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219369879U true CN219369879U (en) | 2023-07-18 |
Family
ID=87137615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320026203.2U Active CN219369879U (en) | 2023-01-06 | 2023-01-06 | High-precision resistance measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219369879U (en) |
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2023
- 2023-01-06 CN CN202320026203.2U patent/CN219369879U/en active Active
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