CN213301501U - High-precision thermocouple temperature measuring device - Google Patents
High-precision thermocouple temperature measuring device Download PDFInfo
- Publication number
- CN213301501U CN213301501U CN202022211700.9U CN202022211700U CN213301501U CN 213301501 U CN213301501 U CN 213301501U CN 202022211700 U CN202022211700 U CN 202022211700U CN 213301501 U CN213301501 U CN 213301501U
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- CN
- China
- Prior art keywords
- temperature measuring
- mounting plate
- measuring device
- protective tube
- thermocouple
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Abstract
The utility model discloses a high accuracy thermocouple temperature measuring device, including the terminal box, terminal box bottom surface central point puts and has protective tube one through the screw rigid coupling, protective tube inner wall sliding contact is connected with protective tube two, and two bottom surfaces of protective tube inboard are fixed with the thermocouple body, and thermocouple body lower extreme passes two bottom surfaces of protective tube and the rigid coupling has the temperature measuring head, the two lower extreme outsides of protective tube still are equipped with mounting panel one, and the cylinder groove has been seted up in the lower extreme runs through on mounting panel one, protective tube one upper portion outer wall still has mounting panel two through the screw rigid coupling, and mounting panel two and mounting panel one end all have the connection piece through the screw rigid coupling, and the lower extreme all runs through on the connection piece and has seted up the fixed orifices, mounting panel top surface still. The utility model discloses add up rationally, the structure is retrencied, realizes the interior multiple spot temperature measurement of the check temperature equipment, has improved the check temperature equipment temperature measurement's precision greatly, satisfies people's operation requirement.
Description
Technical Field
The utility model relates to a thermocouple temperature measurement technical field especially relates to a high accuracy thermocouple temperature measuring device.
Background
In industrial processes, temperature is one of the important parameters that needs to be measured and controlled. In addition, the thermocouple or the thermal resistor is an active sensor, so that no external power supply is needed during measurement, and the energy consumption is low, so that the thermocouple or the thermal resistor is often used for measuring the temperature of gas or liquid in a furnace or a pipeline and the surface temperature of solid.
Through the retrieval, application publication No. 201910115416.0's patent discloses a durable type high accuracy thermocouple, including terminal box and protective tube, the protective tube sets up in the terminal box below, is equipped with the positioning bolt who is used for installing the thermocouple on the protective tube, is equipped with the thermode in the protective tube. Also includes a slider and a reinforcement assembly.
The device has the advantages that the position of the temperature measuring point is fixed and unchanged after the device is installed, so that the temperature measuring equipment is difficult to realize multipoint positioning measurement, the accuracy of thermocouple temperature measurement is greatly influenced, the use requirements of people cannot be met, and therefore, the research on the high-precision thermocouple temperature measuring device is necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a high-precision thermocouple temperature measuring device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a high-precision thermocouple temperature measuring device comprises a junction box, wherein a first protective pipe is fixedly connected to the center of the bottom surface of the junction box through a screw, a second protective pipe is connected to the inner wall of the first protective pipe in a sliding contact manner, a thermocouple body is fixed to the inner side of the bottom surface of the second protective pipe, the lower end of the thermocouple body penetrates through the bottom surface of the second protective pipe and is fixedly connected with a temperature measuring head, a first mounting plate is further arranged on the outer side of the lower end of the second protective pipe, a cylindrical groove is formed in the upper end and the lower end of the first mounting plate in a penetrating manner, a second mounting plate is further fixedly connected to the outer wall of the upper portion of the first protective pipe through a screw, a connecting piece is fixedly connected to one end of the second mounting plate and one end of the first mounting plate through a screw, a fixing hole is formed in the lower end of the connecting piece in a penetrating manner, a, the junction box top surface middle part still rotates through antifriction bearing and is connected with the bull stick, and bull stick middle part outer wall is fixed with the action wheel through the key, and all is connected with the action wheel meshing from the driving wheel, the bull stick top surface still has the rolling disc through the screw rigid coupling, junction box one side still is fixed with temperature monitor, and the input of temperature monitor display and the output of thermocouple body are fixed with the sensing line, still be connected with the mounting between connection piece and the temperature equipment that awaits measuring.
Preferably, the fixing part comprises a straight thread column, the straight thread column is fixed on the inner wall of the temperature measuring equipment through threads, a fixing ring is further fixed on the outer wall of the straight thread column through threads, and one end of the fixing ring is attached to the connecting piece.
Preferably, the second protection pipe is slidably connected in the cylindrical groove, and the maximum outer diameter of the temperature measuring head is smaller than the inner diameter of the cylindrical groove.
Preferably, the three screw rods are uniformly distributed on the top surface of the first mounting plate, and the center distances between the three screw rods and the second protection pipe are consistent.
Preferably, the screw rod is rotatably connected with the second mounting plate and the junction box through rolling bearings.
Preferably, sealing rings are fixed at the joints of the first protection tube and the second protection tube and the joints of the second protection tube and the thermocouple body.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model has reasonable total and simple structure, realizes the multi-point temperature measurement in the temperature measuring equipment to be measured, greatly improves the temperature measuring precision of the temperature measuring equipment to be measured, and meets the use requirements of people;
2. the utility model discloses drive the action wheel through the rolling disc after the installation and rotate thereby drive three lead screw synchronous revolution, the removal of installation piece position is realized in the rotation of lead screw, and then realizes the regulation of temperature probe position, and is easy and simple to handle, has improved the efficiency of the warm equipment macrostoma temperature measurement of awaiting measuring greatly, provides certain guarantee for industry high quality production;
3. the utility model discloses well mounting panel one and two one sides of mounting panel all are fixed with the connection piece, when the installation, at first wait that temperature measuring equipment temperature measurement region is attacked and is established four screw holes, then twist the straight thread post in the screw hole and hang the connection piece on the screw post, the solid fixed ring of rethread is fixed with it, only need take off solid fixed ring can take off temperature measuring device when dismantling, and is easy and simple to handle, has improved the work efficiency of temperature measuring device dismouting greatly.
Drawings
Fig. 1 is a schematic structural view of a high-precision thermocouple temperature measuring device provided by the present invention;
FIG. 2 is an installation diagram of a high-precision thermocouple temperature measuring device according to the present invention;
fig. 3 is a schematic structural diagram of a fixing member in the high-precision thermocouple temperature measuring device provided by the present invention.
In the figure: the thermocouple temperature measuring device comprises a junction box 1, a first protection pipe 2, a second protection pipe 3, a thermocouple body 4, a temperature measuring head 5, a first mounting plate 6, a cylindrical groove 7, a second mounting plate 8, a connecting sheet 9, a fixing hole 10, a screw rod 11, a mounting block 12, a driven wheel 13, a rotating rod 14, a driving wheel 15, a rotating disc 16, a temperature display 17, a sensing line 18, a fixing piece 19, a straight threaded column 20 and a fixing ring 21.
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.
Example one
Referring to fig. 1-3, a high-precision thermocouple temperature measuring device comprises a junction box 1, a first protective tube 2 is fixedly connected to the center of the bottom surface of the junction box 1 through screws, a second protective tube 3 is connected to the inner wall of the first protective tube 2 in a sliding contact manner, a thermocouple body 4 is fixed to the inner side of the bottom surface of the second protective tube 3, the lower end of the thermocouple body 4 penetrates through the bottom surface of the second protective tube 3 and is fixedly connected with a temperature measuring head 5, a first mounting plate 6 is further arranged on the outer side of the lower end of the second protective tube 3, a cylindrical groove 7 is formed in the upper end and the lower end of the first mounting plate 6 in a penetrating manner, a second mounting plate 8 is further fixedly connected to the outer wall of the upper portion of the first protective tube 2 through screws, connecting plates 9 are fixedly connected to the second mounting plate 8 and the first mounting plate 6 through screws, the outer wall of the second protection pipe 3 is fixed with one end of the mounting block 12, the upper end of the screw rod 11 penetrates through the second mounting plate 8 and the junction box 1 and is fixedly connected with a driven wheel 13 at the end part, the middle part of the top surface of the junction box 1 is rotatably connected with a rotating rod 14 through a rolling bearing, the outer wall of the middle part of the rotating rod 14 is fixedly provided with a driving wheel 15 through a key, the driven wheel 13 is meshed with the driving wheel 15, the top surface of the rotating rod 14 is fixedly connected with a rotating disc 16 through a screw, a temperature display 17 is further fixed on one side of the junction box 1, a sensing line 18 is fixed between the input end of the temperature display 17 and the output end of the thermocouple body 4.
The second protection tube 3 is slidably connected in the cylindrical groove 7, and the maximum outer diameter of the temperature measuring head 5 is smaller than the inner diameter of the cylindrical groove 7, so that the temperature measuring head 5 can smoothly penetrate through the cylindrical groove 7, and the measuring range of the temperature of the device is further enlarged.
The three screw rods 11 are uniformly distributed on the top surface of the first mounting plate 6, the distances between the three screw rods 11 and the center of the second protective tube 3 are uniform, and the three screw rods 11 can synchronously rotate conveniently after the driving wheel 15 rotates, so that the device is more stable in operation.
When the temperature measuring device is used, firstly, the temperature measuring device is fixed in a temperature measuring area of equipment to be measured, when the equipment to be measured works, the rotating disc 16 drives the driving wheel 15 to rotate so as to drive the three screw rods 11 to synchronously rotate, the positions of the mounting blocks 12 are moved by the rotation of the screw rods, the position adjustment of the temperature measuring head 5 is further realized, and the multipoint temperature measuring operation of the equipment to be measured is realized.
Example two
Referring to fig. 2 and 3, the embodiment is substantially the same as the first embodiment, and it is more preferable that the fixing member 19 includes a straight threaded column 20, the straight threaded column 20 is fixed on the inner wall of the temperature measuring device through threads, a fixing ring 21 is further fixed on the outer wall of the straight threaded column 20 through threads, and one end of the fixing ring 21 is attached to the connecting sheet 9, when mounting, firstly, four threaded holes are tapped in the temperature measuring region of the temperature measuring device, then the straight threaded column 20 is screwed into the threaded hole and the connecting sheet 9 is hung on the threaded column 20, and then the fixing ring 21 is used for fixing the same, when dismounting, the temperature measuring device can be taken down only by taking down the fixing ring 21, the operation is simple and convenient, and the work efficiency of.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A high-precision thermocouple temperature measuring device comprises a junction box (1), wherein a first protective pipe (2) is fixedly connected to the center of the bottom surface of the junction box (1) through a screw, and is characterized in that the inner wall of the first protective pipe (2) is connected with a second protective pipe (3) in a sliding contact manner, a thermocouple body (4) is fixed on the inner side of the bottom surface of the second protective pipe (3), and the lower end of the thermocouple body (4) penetrates through the bottom surface of the second protective pipe (3) and is fixedly connected with a temperature measuring head (5);
the outer side of the lower end of the second protection pipe (3) is also provided with a first mounting plate (6), the upper end and the lower end of the first mounting plate (6) are provided with a cylindrical groove (7) in a penetrating manner, the outer wall of the upper part of the first protection pipe (2) is fixedly connected with a second mounting plate (8) through screws, one ends of the second mounting plate (8) and the first mounting plate (6) are fixedly connected with a connecting sheet (9) through screws, the upper end and the lower end of the connecting sheet (9) are provided with fixing holes (10) in a penetrating manner, the top surface of the first mounting plate (6) is also rotatably connected with a lead screw (11) through a rolling bearing, the outer wall of the lead screw (11) is fixedly provided with a mounting block (12) through threads, one end of the mounting block (12) is fixedly arranged on the outer wall of the second protection pipe (3), the upper end of the lead screw (11) penetrates through, the outer wall of the middle of the rotating rod (14) is fixed with a driving wheel (15) through a key, the driven wheel (13) is meshed with the driving wheel (15), the top surface of the rotating rod (14) is fixedly connected with a rotating disc (16) through a screw, one side of the junction box (1) is further fixed with a temperature display (17), the input end of the temperature display (17) display and the output end of the thermocouple body (4) are fixed with a sensing line (18), and a fixing piece (19) is further connected between the connecting piece (9) and the temperature measuring equipment.
2. The high-precision thermocouple temperature measuring device is characterized in that the fixing piece (19) comprises a straight thread column (20), the straight thread column (20) is fixed on the inner wall of the equipment to be measured through threads, a fixing ring (21) is further fixed on the outer wall of the straight thread column (20) through threads, and one end of the fixing ring (21) is attached to the connecting piece (9).
3. The high-precision thermocouple temperature measuring device according to claim 1, wherein the second protection tube (3) is slidably connected in the cylindrical groove (7), and the maximum outer diameter of the temperature measuring head (5) is smaller than the inner diameter of the cylindrical groove (7).
4. A high-precision thermocouple temperature measuring device according to claim 1, characterized in that the number of the lead screws (11) is three and is evenly distributed on the top surface of the first mounting plate (6), and the center distances of the three lead screws (11) and the second protection pipe (3) are consistent.
5. The high-precision thermocouple temperature measuring device according to claim 1, wherein the screw rod (11) is rotatably connected with the second mounting plate (8) and the junction box (1) through rolling bearings.
6. The high-precision thermocouple temperature measuring device according to claim 1, wherein sealing rings are fixed at the joints of the first protection tube (2) and the second protection tube (3) and the thermocouple body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022211700.9U CN213301501U (en) | 2020-10-04 | 2020-10-04 | High-precision thermocouple temperature measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022211700.9U CN213301501U (en) | 2020-10-04 | 2020-10-04 | High-precision thermocouple temperature measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213301501U true CN213301501U (en) | 2021-05-28 |
Family
ID=76011095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022211700.9U Expired - Fee Related CN213301501U (en) | 2020-10-04 | 2020-10-04 | High-precision thermocouple temperature measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213301501U (en) |
-
2020
- 2020-10-04 CN CN202022211700.9U patent/CN213301501U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210528 Termination date: 20211004 |
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| CF01 | Termination of patent right due to non-payment of annual fee |