CN210833934U

CN210833934U - Temperature transmitter calibrating device

Info

Publication number: CN210833934U
Application number: CN201922305764.2U
Authority: CN
Inventors: 高吉; 张宏; 刘乙智
Original assignee: Wuxi Ruifeng Metering Technology Co ltd
Current assignee: Wuxi Ruifeng Metering Technology Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-06-23
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a temperature transmitter calibrating installation, its technical scheme main points are: the temperature measuring device comprises a measuring cylinder, wherein a vacuum heat-insulating cavity is arranged in the wall surface of the measuring cylinder, a cylinder cover is fixedly arranged at the opening at the top of the measuring cylinder through threads, a resistance heating wire is arranged in the measuring cylinder, a first through hole for inserting a temperature transmitter and a second through hole for inserting a standard calibration thermometer are formed in the cylinder cover, a supporting plate is detachably connected above the cylinder cover, a v-shaped pull plate is connected to the supporting plate in a sliding mode along the vertical direction, a rectangular rod is fixedly arranged in the opening of the v-shaped pull plate, a notch for the rectangular rod to penetrate through is formed in the supporting plate, and a U-shaped hanging plate is fixedly welded at one end, far away from the v-shaped 21274, of the rectangular rod; the temperature transmitter calibrating device can save labor force when in use, lighten the labor intensity of a calibrator and improve the use comfort.

Description

Temperature transmitter calibrating device

Technical Field

The utility model relates to a calibrating installation, in particular to temperature transmitter calibrating installation.

Background

Temperature transmitters are very widely used. The temperature transmitter is a conversion device which detects and verifies a temperature signal amplifying instrument for measuring a thermal resistor or a thermocouple and converts the temperature signal amplifying instrument into 4-20mA or 0-10mA output current or 0-5V output voltage, and the temperature transmitter is an instrument which converts a temperature variable into a transmittable standardized output signal. The popular understanding is that the analog quantity conversion device converts a temperature signal into an electric signal, and is mainly used for measuring and controlling temperature parameters of an industrial process.

Most of temperature transmitters are used for a period of time, and the test results of the temperature transmitters are distorted due to the influence of a plurality of factors during actual temperature measurement, so that verification and verification are needed after the temperature transmitters are used for a period of time, wherein verification contents of the temperature transmitters are very much, but the most important point is verification for temperature tests of the temperature transmitters.

The existing method for verifying whether the temperature is distorted is to select a water bath container, insert a temperature transmitter and a standard calibration thermometer into the water bath at the same time, heat the water bath, and select multiple points of temperature for comparison and measurement. Because the existing device only adopts a water bath heating container, the existing device has some defects, such as: because of the many points of temperature measurement, holding the temperature transmitter for a long time is very tiring, so it needs to be improved.

SUMMERY OF THE UTILITY MODEL

To the problem of mentioning in the background art, the utility model aims at providing a temperature transmitter calibrating installation to solve the problem of mentioning in the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a temperature transmitter calibrating device comprises a measuring cylinder, wherein a vacuum heat preservation cavity is arranged in the wall surface of the measuring cylinder, a cylinder cover is fixed at the top opening of the measuring cylinder through threads, a resistance heating wire is arranged in the measuring cylinder, a first perforation for inserting a temperature transmitter and a second perforation for inserting a standard calibration thermometer are arranged on the cylinder cover, a supporting plate is detachably connected above the cylinder cover, a v-shaped pulling plate is connected to the supporting plate in a sliding manner along the vertical direction, a rectangular rod is fixed in the opening of the v-shaped pulling plate, a notch for the rectangular rod to pass through is formed in the supporting plate, a U-shaped hanging plate is fixedly welded at one end of the rectangular rod far away from the v-shaped pulling plate, a probe in the temperature transmitter passes through the U-shaped hanging plate, and the temperature transmitter is integrally hung on the U-shaped hanging plate, the two sides of the support plate are respectively symmetrically provided with a plurality of threaded holes, and the two sides of the v-shaped pulling plate are respectively in threaded connection with fastening bolts capable of being screwed into the threaded holes.

By adopting the technical scheme, the temperature transmitter calibrating device can save labor force when in use, lighten the labor intensity of a calibrator and improve the use comfort; when the device is used for detecting a temperature transmitter, an operator can adjust the position in the notch by pulling the v-shaped pulling plate, the rectangular rod is driven by the v-shaped pulling plate to adjust the height of the U-shaped hanging plate, and the v-shaped pulling plate, the rectangular rod and the U-shaped hanging plate can be locked by screwing the fastening bolt into the threaded hole after adjustment; when surveying, the operator can pass first perforation with the probe among the temperature transmitter and put it and survey on the U-shaped link plate, so do not need the operator to hold temperature transmitter always, saved the labour, and survey the temperature transmitter of difference and improved the adaptability, can both adapt to and use most of temperature transmitter.

Preferably, the measuring cylinder is internally provided with a protruding collar which is integrally formed with the measuring cylinder, and an annular sealing gasket is fixed on the top surface of the protruding collar.

Through adopting above-mentioned technical scheme, when the cover screw thread was screwed up, the bottom of cover will contradict on annular seal ring surface to can prevent effectively that hot steam or water from leaking from the cover rampart, can improve the leakproofness.

Preferably, a sliding groove is formed in the measuring cylinder, a locking column is connected to the inside of the sliding groove in a sliding mode along the horizontal direction, a spring is connected between the locking column and the bottom of the sliding groove, and a locking hole for the locking column to be inserted horizontally is formed in the cylinder cover.

Through adopting above-mentioned technical scheme, when the cover was screwed up completely, the locking post in the sliding tray will insert to the locking hole and realize the locking under the spring action of spring to can increase the locking nature to the cover.

Preferably, the bottom of the supporting plate is fixedly welded with an installation plate, and the installation plate is fixed above the cylinder cover through a plurality of locking bolts.

Through adopting above-mentioned technical scheme, utilize mounting panel and locking bolt can be convenient with the backup pad installation fixed to cover top.

Preferably, a layer of rubber cushion is fixed on the inner wall of each of the first through hole and the second through hole.

Through adopting above-mentioned technical scheme, the rubber cushion of first perforation and the perforation inner wall of second can prevent that first perforation and second perforation from causing the wearing and tearing to temperature transmitter's probe and standard calibration thermometer.

Preferably, two rotary lugs are welded and fixed at the end part of the fastening bolt.

Through adopting above-mentioned technical scheme, the rotatory ear of fastening bolt tip can make things convenient for the operator to twist fastening bolt.

Preferably, the fastening bolt is externally sleeved with a spring washer, and the spring washer is positioned between the fastening bolt and the v-21274h-shaped pulling plate.

Through adopting above-mentioned technical scheme, spring washer has the non return effect to fastening bolt, can effectively avoid fastening bolt to take place not hard up.

Preferably, the v-shaped 21274; shaped pulling plate is fixed with a handle on one side far away from the rectangular rod.

By adopting the technical scheme, the utility model discloses a lift 21274, the handle on the shaped pulling plate can be convenient for an operator to pull the lift 21274.

To sum up, the utility model discloses mainly have following beneficial effect:

the temperature transmitter calibrating device can save labor force when in use, lighten the labor intensity of a calibrator and improve the use comfort; when the device is used for detecting a temperature transmitter, an operator can adjust the position in the notch by pulling the v-shaped pulling plate, the rectangular rod is driven by the v-shaped pulling plate to adjust the height of the U-shaped hanging plate, and the v-shaped pulling plate, the rectangular rod and the U-shaped hanging plate can be locked by screwing the fastening bolt into the threaded hole after adjustment; when surveying, the operator can pass first perforation with the probe among the temperature transmitter and put it and survey on the U-shaped link plate, so do not need the operator to hold temperature transmitter always, saved the labour, and survey the temperature transmitter of difference and improved the adaptability, can both adapt to and use most of temperature transmitter.

Drawings

Fig. 1 is one of the schematic structural diagrams of the present invention;

fig. 2 is a second schematic structural diagram of the present invention;

FIG. 3 is an enlarged view at A in FIG. 2;

fig. 4 is a structural sectional view of the present invention;

fig. 5 is an enlarged view at B in fig. 4.

Reference numerals: 1. a measuring cylinder; 2. a vacuum heat preservation cavity; 3. a cylinder cover; 4. resistance heating wires; 5. a temperature transmitter; 6. a first perforation; 7. a standard calibration thermometer; 8. a second perforation; 9. a support plate; 10. \ 21274and a shaped pulling plate; 11. a rectangular bar; 12. a notch; 13. a U-shaped hanging plate; 14. a threaded hole; 15. fastening a bolt; 16. a projecting collar; 17. an annular sealing gasket; 18. a sliding groove; 19. a locking post; 20. a spring; 21. a locking hole; 22. mounting a plate; 23. locking the bolt; 24. a rubber cushion; 25. rotating the lug; 26. a spring washer; 27. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

Example 1

Referring to fig. 1 to 4, a temperature transmitter calibrating device includes a measuring cylinder 1, wherein a vacuum thermal insulation cavity 2 is provided in a wall surface of the measuring cylinder 1, a cylinder cover 3 is fixed to a top opening of the measuring cylinder 1 through threads, a resistance heating wire 4 is provided inside the measuring cylinder 1, and a first through hole 6 for inserting a temperature transmitter 5 and a second through hole 8 for inserting a standard calibration thermometer 7 are provided on the cylinder cover 3; in order to make the device more labor-saving and convenient, a support plate 9 is detachably connected above a barrel cover 3, a v-shaped pulling plate 10 is connected on the support plate 9 in a sliding manner along the vertical direction, a rectangular rod 11 is fixed inside an opening of the v-shaped pulling plate 10, a notch 12 for the rectangular rod 11 to pass through is formed in the support plate 9, the rectangular rod 11 is far away from the v-shaped pulling plate 21274, a U-shaped hanging plate 13 is fixedly welded at one end of the v-shaped pulling plate 10, a U-shaped opening in the U-shaped hanging plate 13 is used for a probe in a temperature transmitter 5 to pass through, the temperature transmitter 5 is integrally hung on the U-shaped hanging plate 13, eight threaded holes 14 are symmetrically formed in two sides of the support plate 9, and fastening bolts 15 which can be screwed into the threaded holes 14 are in threaded connection on two sides of the v-shaped pulling plate 10; therefore, the temperature transmitter calibrating device can save labor force when in use, lighten the labor intensity of a calibrator and improve the use comfort; when the device is used for detecting the temperature transmitter 5, an operator can adjust the position in the notch 12 by pulling the v-shaped pulling plate 10, further adjust the height of the U-shaped hanging plate 13 and screw the fastening bolt 15 into the threaded hole 14 after adjustment so as to realize the locking of the heights of the v-shaped pulling plate 10, the rectangular rod 11 and the U-shaped hanging plate 13; when carrying out the survey, the operator can pass first perforation 6 with the probe among the temperature transmitter 5 and put it on U-shaped link plate 13 with it and survey, so do not need the operator to hold temperature transmitter 5 all the time, saved the labour, and survey temperature transmitter 5 to the difference and improved the adaptability, can both adapt to and use most of temperature transmitter 5.

Referring to fig. 4 and 5, in order to increase the sealing between the cover 3 and the measuring cylinder 1, a protruding collar 16 integrally formed with the measuring cylinder 1 is provided inside the measuring cylinder 1, an annular sealing gasket 17 is fixed on the top surface of the protruding collar 16, and when the cover 3 is screwed tightly, the bottom end of the cover 3 will abut against the surface of the annular sealing gasket 17, so that the hot steam or water can be effectively prevented from leaking from the annular wall of the cover 3, and the sealing performance can be improved; meanwhile, a sliding groove 18 is formed in the measuring cylinder 1, a locking column 19 is connected to the sliding groove 18 in a sliding mode in the horizontal direction, a spring 20 is connected between the locking column 19 and the bottom of the sliding groove 18, a locking hole 21 for enabling the locking column 19 to be inserted horizontally is formed in the cylinder cover 3, when the cylinder cover 3 is screwed completely, the locking column 19 in the sliding groove 18 is inserted into the locking hole 21 under the elastic force action of the spring 20 to achieve locking, and therefore the locking performance of the cylinder cover 3 can be improved.

Referring to fig. 2 and 3, in order to facilitate the detachment of the support plate 9, a mounting plate 22 is fixedly welded to the bottom of the support plate 9, the mounting plate 22 is fixed above the cover 3 through two locking bolts 23, and the support plate 9 can be conveniently fixed above the cover 3 by using the mounting plate 22 and the locking bolts 23; meanwhile, a layer of rubber cushion 24 is respectively fixed on the inner walls of the first through hole 6 and the second through hole 8, and the rubber cushions 24 on the inner walls of the first through hole 6 and the second through hole 8 can prevent the first through hole 6 and the second through hole 8 from wearing a probe of the temperature transmitter 5 and the standard calibration thermometer 7.

Referring to fig. 2 and 3, in order to facilitate the operator to screw the fastening bolt 15, two rotating lugs 25 are welded and fixed at the end of the fastening bolt 15, and the rotating lugs 25 at the end of the fastening bolt 15 can facilitate the operator to screw the fastening bolt 15; meanwhile, a spring washer 26 is sleeved outside the fastening bolt 15, wherein the spring washer 26 is positioned between the fastening bolt 15 and the v-shaped pulling plate 10, the spring washer 26 has a check effect on the fastening bolt 15, and the fastening bolt 15 can be effectively prevented from loosening; meanwhile, a handle 27, 21274is fixed on one side of the v-shaped pulling plate 10 far away from the rectangular rod 11, and the handle 27 on the v-shaped pulling plate 10 can facilitate an operator to pull the v-shaped pulling plate 10.

Wherein, the standard calibration thermometer 7 adopted by the device can select a standard red pen water thermometer; the temperature transmitter 5 which can be used for verification of the device is a digital display temperature transmitter with the model number of YS-100EB series.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a temperature transmitter calibrating installation, includes a measuring section of thick bamboo (1), vacuum heat preservation chamber (2) have in the wall of a measuring section of thick bamboo (1), the open-top portion screw thread of a measuring section of thick bamboo (1) is fixed with cover (3), the inside of a measuring section of thick bamboo (1) is provided with resistance heating wire (4), its characterized in that: the temperature transmitter comprises a barrel cover (3), a first through hole (6) and a second through hole (8) are formed in the barrel cover (3), the first through hole (6) is used for inserting a temperature transmitter (5) and the second through hole is used for inserting a standard calibration thermometer (7), a supporting plate (9) is detachably connected to the upper portion of the barrel cover (3), a v-21274is connected to the supporting plate (9) in a sliding mode along the vertical direction, a rectangular pull plate (10) is fixedly arranged on the opening of the v-21274, a rectangular rod (11) is fixedly arranged in the opening of the rectangular pull plate (10), a notch (12) is formed in the supporting plate (9) and is used for allowing the rectangular rod (11) to penetrate through, the rectangular rod (11) is fixedly welded to one end of the v-21274, a U-shaped hanging plate (13) is fixedly arranged at one end of the rectangular pull plate (10), a U-shaped opening in the U-shaped hanging plate (13) is used for allowing a probe in the temperature transmitter (5) to penetrate through and integrally hanging, two sides of the v-shaped pulling plate (10) are respectively in threaded connection with a fastening bolt (15) which can be screwed into the threaded hole (14).

2. The temperature transmitter calibrating device according to claim 1, wherein: the measuring cylinder (1) is internally provided with a protruding collar (16) which is integrally formed with the measuring cylinder (1), and an annular sealing gasket (17) is fixed on the top surface of the protruding collar (16).

3. The temperature transmitter calibrating device according to claim 1, wherein: the measuring cylinder is characterized in that a sliding groove (18) is formed in the measuring cylinder (1), a locking column (19) is connected to the sliding groove (18) in a sliding mode along the horizontal direction, a spring (20) is connected between the locking column (19) and the bottom of the sliding groove (18), and a locking hole (21) for horizontally inserting the locking column (19) is formed in the cylinder cover (3).

4. The temperature transmitter calibrating device according to claim 1, wherein: the bottom welded fastening of backup pad (9) has mounting panel (22), mounting panel (22) are fixed through a plurality of locking bolt (23) cover (3) top.

5. The temperature transmitter calibrating device according to claim 1, wherein: a layer of rubber soft pad (24) is respectively fixed on the inner walls of the first through hole (6) and the second through hole (8).

6. The temperature transmitter calibrating device according to claim 1, wherein: two rotary lugs (25) are welded and fixed at the end part of the fastening bolt (15).

7. The temperature transmitter calibrating device according to claim 1, wherein: the outer part of the fastening bolt (15) is sleeved with a spring washer (26), and the spring washer (26) is positioned between the fastening bolt (15) and the v-shaped pull plate (10).

8. The temperature transmitter calibrating device according to claim 1, wherein: the v-shaped 21274-shaped pulling plate (10) is fixed with a handle (27) on one surface far away from the rectangular rod (11).