CN215811299U - Fixing device for batch verification of platinum resistor temperature sensors in constant temperature bath - Google Patents
Fixing device for batch verification of platinum resistor temperature sensors in constant temperature bath Download PDFInfo
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- CN215811299U CN215811299U CN202122108556.0U CN202122108556U CN215811299U CN 215811299 U CN215811299 U CN 215811299U CN 202122108556 U CN202122108556 U CN 202122108556U CN 215811299 U CN215811299 U CN 215811299U
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- platinum resistor
- platinum resistance
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Abstract
The utility model discloses a fixing device for batch verification of a platinum resistance temperature sensor for a thermostatic bath, which comprises an upper chassis, wherein the upper chassis is positioned above the thermostatic bath and has a diameter larger than the inner diameter of the thermostatic bath, a platinum resistance outer fixing sheet and a platinum resistance inner fixing sheet are fixed at the bottom of the upper chassis, the platinum resistance outer fixing sheet is positioned outside the platinum resistance inner fixing sheet, a lower chassis with a diameter smaller than the inner diameter of the thermostatic bath is fixed at the bottoms of the platinum resistance outer fixing sheet and the platinum resistance inner fixing sheet, a vertical rod is fixed at one side of the top of the upper chassis, a cross rod fixing block is connected on the vertical rod in a sliding way, two groups of cross rods vertical to the vertical rod are inserted in the cross rod fixing block in a penetrating way, standard platinum resistance fastening blocks are connected on the two groups of cross rods in a sliding way, a standard platinum resistance fastening hole penetrates through the middle part of the standard platinum resistance fastening block, and a standard platinum resistance placing hole positioned at the inner side of the platinum resistance inner fixing sheet is arranged on the upper chassis in a penetrating way And (4) determining.
Description
Technical Field
The utility model relates to the technical field of calibration of platinum resistance temperature sensors, in particular to a fixing device for batch verification of the platinum resistance temperature sensors in a constant temperature bath.
Background
The platinum resistance temperature sensor measures the temperature by utilizing the characteristic that the resistance value of the platinum changes along with the change of the temperature, and the display instrument indicates the temperature value corresponding to the resistance value of the platinum resistance. When the temperature gradient exists in the measured medium, the measured temperature is the average temperature in the medium layer in the range of the temperature sensing element, and then the platinum resistance temperature sensor generates some deviation after being used for a period of time, so that the timing calibration is needed;
the platinum resistor temperature sensor needs to be placed in a constant temperature bath for operation in the verification and calibration processes, the standard device used for comparison is a quartz tube and is long and fragile, the standard device needs to be placed in the constant temperature bath all the time in the verification and calibration processes, the standard device needs to be held all the time by hands and needs to be manually aligned to a temperature sensing part of the detected sensor, and the operation is very inconvenient.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a fixing device for batch verification of platinum resistance temperature sensors in a constant temperature bath, which can respectively fix a standard device and a detected sensor required by the platinum resistance temperature sensors during batch verification, so that the standard device is placed in a suspended manner, the temperature sensing parts of the standard device and the detected temperature sensor are at the same height in the constant temperature bath, and the operation is convenient.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: a fixing device for batch verification of platinum resistance temperature sensors in a thermostatic bath comprises an upper chassis which is positioned above the thermostatic bath and has a diameter larger than the inner diameter of the thermostatic bath, the bottom of the upper chassis is fixed with a platinum resistor external fixing sheet and a platinum resistor internal fixing sheet, the platinum resistor external fixing sheet is positioned outside the platinum resistor internal fixing sheet, the bottom of the platinum resistor external fixing sheet and the bottom of the platinum resistor internal fixing sheet are fixed with a lower chassis with the diameter smaller than the inner diameter of the thermostatic bath, a vertical rod is fixed on one side of the top of the upper chassis, a cross rod fixing block is connected on the vertical rod in a sliding way, two groups of cross rods vertical to the vertical rods are inserted in the cross rod fixing blocks, the two groups of cross rods are connected with standard platinum resistor fastening blocks in a sliding way, the middle part of the standard platinum resistor fastening block vertically penetrates through the standard platinum resistor fastening hole, and the upper chassis is provided with a standard platinum resistor placing hole which is positioned on the inner side of the platinum resistor inner fixing piece in a penetrating mode.
In a preferred embodiment of the present invention, the platinum resistor inner fixing plate is provided with a platinum resistor inner fixing plate anti-adduction ring on the inner side of the middle portion, the platinum resistor outer fixing plate is provided with a platinum resistor outer fixing plate anti-expandation plate on the outer side of the middle portion, the platinum resistor inner fixing plate anti-adduction ring is fixedly connected with the platinum resistor inner fixing plate, and the platinum resistor outer fixing plate is fixedly connected with the platinum resistor outer fixing plate anti-expandation plate.
In a preferred embodiment of the present invention, the platinum resistor external fixing piece and the platinum resistor internal fixing piece are both elastic metal pieces, and an intersection surface of the platinum resistor external fixing piece and the platinum resistor internal fixing piece is formed between the platinum resistor external fixing piece and the platinum resistor internal fixing piece.
As a preferred technical scheme of the utility model, a vertical rod fixing hole penetrates through one side of the upper end of the upper chassis, and the vertical rod is in threaded connection with the upper chassis through the vertical rod fixing hole.
According to a preferable technical scheme, cross rod through holes are symmetrically formed in the standard platinum resistor fastening block on two sides of the standard platinum resistor fastening hole, two groups of cross rods penetrate through the two groups of cross rod through holes respectively, threaded holes communicated with the cross rod through holes are formed in two sides of the standard platinum resistor fastening hole above the cross rod through holes, and a standard platinum resistor fastening bolt is connected to the threaded holes in a threaded mode.
According to a preferable technical scheme, vertical rod fastening holes penetrating through the transverse rod fixing blocks are formed in the vertical direction of the transverse rod fixing blocks, the vertical rods penetrate through the vertical rod fastening holes, transverse rod through holes for two groups of transverse rods to penetrate through are symmetrically formed in two sides of the vertical rod fastening holes, threaded holes penetrating through the vertical rod fastening holes and the outer sides of the transverse rod fixing blocks are formed in the upper ends of the two groups of transverse rod through holes, and transverse rod fastening bolts are arranged in the threaded holes.
Compared with the prior art, the utility model has the following beneficial effects:
(1) the utility model can respectively fix the required standard device and the detected sensor when detecting the platinum resistance temperature sensor in batch, so that the standard device is suspended, the temperature sensing parts of the standard device and the detected temperature sensor are at the same height in the constant temperature bath, and the operation is convenient.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a top view of the cross bar of the present invention.
Figure 3 is a cross-sectional view of a standard platinum resistor fastening block of the present invention.
Fig. 4 is a sectional view of the cross bar fixing block of the present invention.
FIG. 5 is a top view of the upper tray of the present invention
Wherein, the names corresponding to the reference numbers are:
1. erecting a rod; 2. a cross bar; 3. a cross bar fixing block; 4. a cross bar fastening bolt; 5. a standard platinum resistor fastening block; 6. standard platinum resistance fastening bolts; 7. an upper chassis; 8. a platinum resistor external fixing sheet; 9. the platinum resistor external fixing piece is an anti-expansion piece; 10. a platinum resistor internal fixing sheet; 11. an anti-adduction ring is arranged on the internal fixed plate of the platinum resistor; 12. a lower chassis; 13. a thermostatic bath; 14. standard platinum resistor fastening holes; 15. pole fastening holes; 16. a cross bar via hole; 17. upright stanchion fixing holes; 18. the intersection surface of the internal and external fixed sheets of the platinum resistor; 19. standard platinum resistor placement holes.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
As shown in fig. 1 and 5, the utility model provides a fixing device for batch calibration of a platinum resistance temperature sensor in a constant temperature bath, comprising an upper chassis 7 which is positioned above a constant temperature bath 13 and has a diameter larger than the inner diameter of the constant temperature bath 13, a platinum resistance external fixing sheet 8 and a platinum resistance internal fixing sheet 10 are fixed at the bottom of the upper chassis 7, the platinum resistance external fixing sheet 8 is positioned outside the platinum resistance internal fixing sheet 10, a lower chassis 12 having a diameter smaller than the inner diameter of the constant temperature bath 13 is fixed at the bottom of the platinum resistance external fixing sheet 8 and the platinum resistance internal fixing sheet 10, a vertical rod 1 is fixed at one side of the top of the upper chassis 7, a cross rod fixing block 3 is slidably connected on the vertical rod 1, two groups of cross rods 2 which are perpendicular to the vertical rod 1 are inserted in the cross rod fixing block 3, a standard platinum resistance fastening block 5 is slidably connected on the two groups of cross rods 2, a standard platinum resistance fastening block 14 is vertically penetrated through the middle part of the standard platinum resistance fastening block 5, a standard platinum resistor placing hole 19 positioned on the inner side of the platinum resistor inner fixing sheet 10 penetrates through the upper chassis 7;
when the device is used, a sensor to be detected is placed between the platinum resistor external fixing piece 8 and the platinum resistor internal fixing piece 10 in the constant temperature groove 13, the standard device penetrates through the standard platinum resistor fastening hole 14 on the standard platinum resistor fastening block 5, the standard platinum resistor fastening block 5 is moved on the two groups of cross rods 2 at the moment to enable the standard device to be adjusted to a proper position, the height of the cross rods 2 and the height of the standard platinum resistor fastening block 5 are adjusted through the cross rod fixing blocks 3 at the moment, the standard platinum resistor fastening block is located at a proper height, one end of the bottom of the standard device is inserted into the standard platinum resistor placing hole 19 on the upper chassis 7 to enable the bottom end of the standard platinum resistor fastening block to stretch into the constant temperature groove 13, the temperature sensing parts of the standard device and the detected temperature sensor are at the same height in the constant temperature groove 13, the cross rod fixing block 3 and the standard platinum resistor fastening block 5 can be fixed through bolts at the moment respectively, and the standard device is placed at a proper position in a suspension mode.
As shown in fig. 1 and 5, a platinum inner fixing plate anti-adduction ring 11 is arranged on the inner side of the middle part of the platinum inner fixing plate 10, a platinum outer fixing plate anti-expansion plate 9 is arranged on the outer side of the middle part of the platinum outer fixing plate 8, the platinum inner fixing plate anti-adduction ring 11 is fixedly connected with the platinum inner fixing plate 10, and the platinum outer fixing plate 8 is fixedly connected with the platinum outer fixing plate anti-expansion plate 9; the platinum resistor inner fixing piece inward contraction prevention ring 11 and the platinum resistor outer fixing piece outward expansion prevention piece 9 are arranged to prevent the platinum resistor inner fixing piece 10 and the platinum resistor outer fixing piece 8 from being forced to be bounced in the opposite direction.
As shown in fig. 1 and 5, the platinum resistor external fixing piece 8 and the platinum resistor internal fixing piece 10 are both metal pieces with elasticity, and a platinum resistor internal and external fixing piece intersection surface 18 is formed between the platinum resistor external fixing piece 8 and the platinum resistor internal fixing piece 10; when the device is used, a sensor to be detected is placed at the intersection surface 18 of the internal and external fixed sheets of the platinum resistor, and the sensor is fixed through the elastic external fixed sheet 8 of the platinum resistor and the internal fixed sheet 10 of the platinum resistor.
As shown in fig. 1 and 5, a vertical rod fixing hole 17 penetrates through one side of the upper end of the upper chassis 7, and the vertical rod 1 is in threaded connection with the upper chassis 7 through the vertical rod fixing hole 17; the upper chassis 7 and the upright rod 1 can be conveniently disassembled and stored when not in use by adopting a threaded connection mode.
As shown in fig. 1, 2 and 3, cross bar through holes 16 are symmetrically formed in two sides of the standard platinum resistor fastening block 5, which are located in the standard platinum resistor fastening hole 14, two groups of cross bars 2 respectively penetrate through the two groups of cross bar through holes 16, threaded holes communicated with the cross bar through holes 16 are formed in two sides of the standard platinum resistor fastening hole 14, and the threaded holes are connected with the standard platinum resistor fastening bolts 6 through threads.
As shown in fig. 1, 2 and 4, a vertical rod fastening hole 15 penetrating through the cross rod fixing block 3 is formed in the vertical direction of the cross rod fixing block 3, the vertical rod 1 penetrates through the vertical rod fastening hole 15, cross rod through holes 16 for the two groups of cross rods 2 to penetrate through are symmetrically formed in two sides of the vertical rod fastening hole 15, threaded holes penetrating through the vertical rod fastening hole 15 and the outer side of the cross rod fixing block 3 are formed in the upper ends of the two groups of cross rod through holes 16, and cross rod fastening bolts 4 are arranged in the threaded holes.
The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and any insubstantial changes or modifications made within the spirit and scope of the main design of the present invention will solve the technical problems consistent with the present invention and shall be included in the scope of the present invention.
Claims (6)
1. The utility model provides a fixing device for constant temperature bath is examination platinum resistance temperature sensor in batches, is including last chassis (7) that is located constant temperature bath (13) top and diameter and is greater than constant temperature bath (13) internal diameter, its characterized in that, the bottom of going up chassis (7) is fixed with platinum resistance external fixation piece (8) and platinum resistance internal fixation piece (10), platinum resistance external fixation piece (8) are located the outside of platinum resistance internal fixation piece (10), the bottom of platinum resistance external fixation piece (8) and platinum resistance internal fixation piece (10) is fixed with lower chassis (12) that the diameter is less than constant temperature bath (13) internal diameter, top one side of going up chassis (7) is fixed with pole setting (1), sliding connection horizontal pole fixed block (3) on pole setting (1), cross rod fixed block (3) interlude has two sets of horizontal pole (1) vertically horizontal pole (2), two sets of sliding connection standard platinum resistance fastening block (5) on horizontal pole (2), the middle part of the standard platinum resistor fastening block (5) vertically penetrates through a standard platinum resistor fastening hole (14), and a standard platinum resistor placing hole (19) located on the inner side of the platinum resistor inner fixing piece (10) penetrates through the upper chassis (7).
2. The fixture for batch verification of platinum resistance temperature sensors of a thermostatic bath according to claim 1, wherein: the platinum resistor internal fixing piece anti-adduction device is characterized in that a platinum resistor internal fixing piece anti-adduction ring (11) is arranged on the inner side of the middle of the platinum resistor internal fixing piece (10), a platinum resistor external fixing piece anti-expandation piece (9) is arranged on the outer side of the middle of the platinum resistor external fixing piece (8), the platinum resistor internal fixing piece anti-adduction ring (11) is fixedly connected with the platinum resistor internal fixing piece (10), and the platinum resistor external fixing piece (8) is fixedly connected with the platinum resistor external fixing piece anti-expandation piece (9).
3. The fixture for batch verification of platinum resistance temperature sensors of a thermostatic bath according to claim 2, wherein: the platinum resistor outer fixing piece (8) and the platinum resistor inner fixing piece (10) are metal pieces with elasticity, and a platinum resistor inner and outer fixing piece intersection surface (18) is formed between the platinum resistor outer fixing piece (8) and the platinum resistor inner fixing piece (10).
4. The fixture for batch verification of platinum resistance temperature sensors of a thermostatic bath according to claim 1, wherein: a vertical rod fixing hole (17) penetrates through one side of the upper end of the upper chassis (7), and the vertical rod (1) is in threaded connection with the upper chassis (7) through the vertical rod fixing hole (17).
5. The fixture for batch verification of platinum resistance temperature sensors of a thermostatic bath according to claim 1, wherein: the novel platinum resistor fastening block is characterized in that cross rod through holes (16) are symmetrically formed in two sides of the standard platinum resistor fastening block (5) located in the standard platinum resistor fastening holes (14), two groups of cross rods (2) penetrate through the two groups of cross rod through holes (16) respectively, threaded holes communicated with the cross rod through holes (16) are formed in two sides of the standard platinum resistor fastening holes (14) above the cross rod through holes, and the threaded holes are connected with standard platinum resistor fastening bolts (6) in a threaded mode.
6. The fixture for batch verification of platinum resistance temperature sensors of a thermostatic bath according to claim 1, wherein: the vertical direction of horizontal pole fixed block (3) is seted up and is run through pole setting fastening hole (15) of horizontal pole fixed block (3), pole setting (1) is passed pole setting fastening hole (15), the bilateral symmetry of pole setting fastening hole (15) is provided with and supplies two sets of horizontal pole via hole (16) that horizontal pole (2) passed are two sets of the screw hole that runs through pole setting fastening hole (15) and horizontal pole fixed block (3) outside is all seted up to the upper end of horizontal pole via hole (16), threaded hole is equipped with horizontal pole fastening bolt (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122108556.0U CN215811299U (en) | 2021-09-02 | 2021-09-02 | Fixing device for batch verification of platinum resistor temperature sensors in constant temperature bath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122108556.0U CN215811299U (en) | 2021-09-02 | 2021-09-02 | Fixing device for batch verification of platinum resistor temperature sensors in constant temperature bath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215811299U true CN215811299U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122108556.0U Active CN215811299U (en) | 2021-09-02 | 2021-09-02 | Fixing device for batch verification of platinum resistor temperature sensors in constant temperature bath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215811299U (en) |
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2021
- 2021-09-02 CN CN202122108556.0U patent/CN215811299U/en active Active
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