CN213397480U - High-precision pressure transmitter - Google Patents
High-precision pressure transmitter Download PDFInfo
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- CN213397480U CN213397480U CN202022119014.9U CN202022119014U CN213397480U CN 213397480 U CN213397480 U CN 213397480U CN 202022119014 U CN202022119014 U CN 202022119014U CN 213397480 U CN213397480 U CN 213397480U
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Abstract
The utility model discloses a high accuracy pressure transmitter, including the pressure transmitter main part, the bottom fixedly connected with liquid reserve tank of pressure transmitter main part, the bottom fixed mounting of liquid reserve tank has the ring flange, and the bottom fixed mounting of pressure transmitter main part has first feed liquor pipe, and in the bottom of first feed liquor pipe extended to the liquid reserve tank, be equipped with first conveyer pipe in the liquid reserve tank. The utility model relates to a rationally, the practicality is good, can intercept the filtration to the foreign particle in the liquid, avoid liquid to carry in the foreign particle gets into the pressure transmitter main part, and when examining high-temperature liquid, can carry out effective cooling to the high-temperature liquid that gets into in the pressure transmitter main part, examine time measuring to low-temperature liquid, can carry out effective heating to the low-temperature liquid that gets into in the pressure transmitter main part and heat up, pressure transmitter's measurement accuracy has been improved, the accuracy of the detection structure to liquid has been improved.
Description
Technical Field
The utility model relates to a pressure transmitter technical field specifically is a high accuracy pressure transmitter.
Background
The pressure transmitter is a sensor which is most commonly used in industrial practice and is widely applied to various industrial automatic control environments, and relates to various industries such as water conservancy and hydropower, railway traffic, intelligent buildings, production automatic control, aerospace, war industry, petrochemical industry, oil wells, electric power, ships, machine tools, pipelines and the like.
However, in the prior art, when a commonly-used pressure transmitter is used, the temperature of liquid to be detected entering the pressure transmitter cannot be adjusted, the liquid to be detected has a higher or lower temperature, which results in inaccurate detection result data, and impurities in the liquid to be detected entering the pressure transmitter cannot be intercepted and filtered, and the impurities in the liquid to be detected also enter the pressure transmitter, which results in inaccurate detection result data, and thus the measurement accuracy of the pressure transmitter is not high.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a high accuracy pressure transmitter, when having solved current pressure transmitter and using, can not adjust the temperature of the inside liquid that awaits measuring of entering pressure transmitter, the temperature of the liquid that awaits measuring is higher or lower all can lead to the testing result data inaccurate, and can not intercept the filtration to the impurity in the liquid that awaits measuring in the entering pressure transmitter, impurity in the liquid that awaits measuring also can cause the testing result data inaccurate in getting into pressure transmitter, the problem that the measurement accuracy that leads to pressure transmitter is not high.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a liquid storage tank is fixedly connected to the bottom of the pressure transmitter main body, a flange plate is fixedly mounted at the bottom of the liquid storage tank, a first liquid inlet pipe is fixedly mounted at the bottom of the pressure transmitter main body, the bottom end of the first liquid inlet pipe extends into the liquid storage tank, a first conveying pipe is arranged in the liquid storage tank, both ends of the first conveying pipe are arranged in a closed mode, the bottom end of the first liquid inlet pipe is fixedly connected and communicated with the top of the first conveying pipe, a second conveying pipe is fixedly mounted on the inner wall of the bottom of the liquid storage tank, both ends of the second conveying pipe are of a closed structure, a conveying branch pipe is fixedly mounted at the top of the second conveying pipe, the conveying branch pipe is communicated with the inside of the second conveying pipe, the top end of the conveying branch pipe is fixedly connected and communicated with the bottom of the first conveying pipe, and a plurality of radiating fins are fixedly, a plurality of radiating fin are the slope setting, one side of a plurality of radiating fin all extends to in the liquid reserve tank, equal fixed mounting has the electric heating board on the both sides inner wall of liquid reserve tank, the bottom fixed mounting of ring flange has the second feed liquor pipe, the ring flange is run through and extends to in the liquid reserve tank on the top of second feed liquor pipe, and the top of second feed liquor pipe and the bottom fixed connection of second conveyer pipe are linked together, the bottom cover of second feed liquor pipe is equipped with the sleeve pipe, fixed mounting has the filter screen that is located second feed liquor pipe below in the sleeve pipe, the liquid feeding hole has been seted up on the top inner wall of liquid reserve tank, first end cap is installed to liquid feeding hole internal thread, the top of first end cap extends to outside.
Preferably, a residue placing hole is formed in the inner wall of one side of the liquid storage box, a second plug is installed in the residue placing hole through internal threads, and one end of the second plug extends out of the residue placing hole.
Preferably, a circular observation hole is formed in the inner wall of one side of the liquid storage box, and an observation mirror is fixedly mounted in the circular observation hole.
Preferably, the fixed cover is equipped with two pipe clamps on the first conveyer pipe, and two pipe clamps are all fixed mounting on the top inner wall of liquid reserve tank.
Preferably, the number of the conveying branch pipes is multiple, and the plurality of conveying branch pipes are arranged at equal intervals.
Preferably, an external thread is arranged on the outer wall of the bottom of the second liquid inlet pipe, an internal thread is arranged on the inner wall of the sleeve pipe, and the sleeve pipe is in threaded connection and matching with the external thread on the second liquid inlet pipe through the internal thread.
(III) advantageous effects
The utility model provides a high accuracy pressure transmitter. The method has the following beneficial effects:
(1) this high accuracy pressure transmitter, through unscrewing first end cap, be convenient for add the suitable amount coolant liquid of benefit in to the liquid reserve tank, be convenient for observe the liquid level height in the liquid reserve tank through the sight glass, it is intraductal to see through the filter screen inflow second feed liquor through the liquid in the pipeline, then pass through the second conveyer pipe in proper order again, a plurality of delivery branch pipes, first conveyer pipe, feed liquor pipe inflow pressure transmitter main part is internal, examine time measuring to the pressure value of liquid, through setting up the filter screen, can block the interception to the impurity granule in the liquid in the pipeline, avoid liquid to carry in the impurity granule gets into pressure transmitter main part, the detection data value of pressure transmitter main part to liquid has been improved.
(2) This high accuracy pressure transmitter, when liquid temperature through carrying in the pipeline is higher, back in the liquid entering liquid reserve tank in the pipeline, utilize the coolant liquid to absorb the heat in the liquid, play the effect to the liquid cooling, utilize a plurality of delivery branch pipes to shunt the transport to liquid, the cooling effect to liquid has been improved, utilize a plurality of radiating fin can be to heat transfer in the liquid reserve tank to external world, heat to in the coolant liquid carries out the heat transfer cooling, thereby can cool down the higher liquid of temperature and cool down the back reentrant pressure transmitter main part in, avoid liquid temperature higher and cause the measuring data value inaccuracy of pressure transmitter main part to liquid.
(3) This high accuracy pressure transmitter, when the temperature through carrying liquid in the pipeline is lower, open two electrical heating board work and heat the coolant liquid in the receiver tank, low-temperature liquid in the pipeline gets into in the receiver tank, low-temperature liquid absorbs the heat in the coolant liquid, thereby heat the intensification to liquid, utilize a plurality of delivery branch pipes to carry out the reposition of redundant personnel to liquid and carry, the intensification effect to liquid has been improved, thereby can heat the lower liquid of temperature and heat the reentrant pressure transmitter main part after the intensification in, avoid liquid temperature lower and cause the pressure transmitter main part to the measuring data value inaccuracy of liquid, pressure transmitter's measurement accuracy has been improved.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic sectional view of the front view of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is an enlarged schematic view of a portion B in fig. 2.
In the figure: 1. a pressure transmitter body; 2. a liquid storage tank; 3. a flange plate; 4. a liquid inlet pipe; 5. a first delivery pipe; 6. a second delivery pipe; 7. a delivery branch pipe; 8. a heat dissipating fin; 9. an electrical heating plate; 10. a second liquid inlet pipe; 11. a sleeve; 12. a filter screen; 13. a first plug; 14. a second plug; 15. and a viewing mirror.
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.
As shown in fig. 1-4, the utility model provides a technical solution: high-precision pressure transmitter, including pressure transmitter main part 1, the bottom fixedly connected with liquid reserve tank 2 of pressure transmitter main part 1, the bottom fixed mounting of liquid reserve tank 2 has ring flange 3, the bottom fixed mounting of pressure transmitter main part 1 has first feed liquor pipe 4, the bottom of first feed liquor pipe 4 extends to in the liquid reserve tank 2, be equipped with first conveyer pipe 5 in the liquid reserve tank 2, the both ends of first conveyer pipe 5 are the setting of remaining silent, the bottom of first feed liquor pipe 4 and the top fixed connection of first conveyer pipe 5 and be linked together, fixedly mounted with second conveyer pipe 6 on the bottom inner wall of liquid reserve tank 2, the both ends of second conveyer pipe 6 are the structure of remaining silent, the top fixed mounting of second conveyer pipe 6 has branch conveyer pipe 7, branch conveyer pipe 7 is linked together with the inside of second conveyer pipe 6, the top of branch conveyer pipe 7 and the bottom fixed connection of first conveyer pipe 5 and be linked together, equal interval fixed mounting has a plurality of radiating fin 8 on the both sides inner wall of liquid reserve tank 2, a plurality of radiating fin 8 are the slope setting, one side of a plurality of radiating fin 8 all extends to in the liquid reserve tank 2, equal fixed mounting has electric heating board 9 on the both sides inner wall of liquid reserve tank 2, the bottom fixed mounting of ring flange 3 has second feed liquor pipe 10, the top of second feed liquor pipe 10 runs through flange dish 3 and extends to in the liquid reserve tank 2, and the top of second feed liquor pipe 10 and the bottom fixed connection of second conveyer pipe 6 and be linked together, the bottom cover of second feed liquor pipe 10 is equipped with sleeve pipe 11, fixed mounting has the filter screen 12 that is located second feed liquor pipe 10 below in the sleeve pipe 11, the liquid feeding hole has been seted up on the top inner wall of liquid reserve tank 2, first end cap 13 is installed to the liquid feeding hole internal thread, the top of first end cap 13 extends to outside the.
Seted up on one side inner wall of liquid reserve tank 2 and put the incomplete hole, it installs second end cap 14 to put the incomplete hole internal thread, the one end of second end cap 14 extends to outside putting the incomplete hole, circular observation hole has been seted up on one side inner wall of liquid reserve tank 2, fixed mounting has sight glass 15 in the circular observation hole, fixed cover is equipped with two pipe clamps on the first conveyer pipe 5, two equal fixed mounting of pipe clamp are on the top inner wall of liquid reserve tank 2, the quantity of carrying branch pipe 7 is a plurality of, a plurality of carrying branch pipe 7 are equidistant arranging, the external screw thread has been seted up on the bottom outer wall of second feed liquor pipe 10, the internal thread has been seted up on sleeve pipe 11's the inner wall, sleeve pipe 11 passes through the external screw thread threaded connection cooperation on internal thread.
When the pressure transmitter is used, the first conveying pipe 5, the second conveying pipe 6, the plurality of conveying branch pipes 7 and the plurality of radiating fins 8 are all made of aluminum materials and have good heat conducting performance, the pressure transmitter main body 1 is convenient to install and fix on a pipeline by arranging the flange plate 3, the second liquid inlet pipe 10 and the sleeve pipe 11 are inserted into the pipeline, the liquid storage box 2 is provided with an external power line and a control switch, the two electric heating plates 9, the control switch and the external power line are sequentially and electrically connected to form a loop, the control switch can control the start and stop work of the two electric heating plates 9, the first plug 13 is unscrewed, a proper amount of cooling liquid is convenient to be added into the liquid storage box 2, the liquid level height in the liquid storage box 2 is convenient to observe through the observation mirror 15, when the pressure transmitter main body 1 is used for detecting the pressure data of the liquid in the pipeline, the liquid in the pipeline flows into the second liquid inlet pipe, then the liquid flows into the pressure transmitter main body 1 through the second conveying pipe 6, the plurality of conveying branch pipes 7, the first conveying pipe 5 and the liquid inlet pipe 4 in sequence, so that the pressure value of the liquid is detected, the filter screen 12 is arranged to block and intercept impurity particles in the liquid in the pipeline and prevent the liquid carrying the impurity particles from entering the pressure transmitter main body 1, so that the detection data value of the pressure transmitter main body 1 on the liquid is improved, when the temperature of the liquid conveyed in the pipeline is higher, the heat in the liquid is transferred to the cooling liquid after the liquid in the pipeline enters the liquid storage tank 2, the heat in the liquid is absorbed by the cooling liquid, so that the liquid is cooled, the liquid is shunted and conveyed by the plurality of conveying branch pipes 7, the cooling effect on the liquid is improved, and the heat in the liquid storage tank 2 can be transferred to the outside by the plurality of radiating fins 8, the heat in the cooling liquid is transferred and cooled, so that the liquid with higher temperature can be cooled and then enter the pressure transmitter main body 1, the inaccuracy of the detection data value of the pressure transmitter main body 1 to the liquid caused by the higher temperature of the liquid is avoided, when the temperature of the liquid conveyed in the pipeline is lower, the two electric heating plates 9 are opened to work, the cooling liquid in the liquid storage tank 2 is heated by the heat generated by the two electric heating plates 9, the heat in the cooling liquid is absorbed by the liquid with lower temperature after the low-temperature liquid in the pipeline enters the liquid storage tank 2, so that the liquid is heated and heated, the liquid is conveyed in a shunting manner by the plurality of conveying branch pipes 7, the heating effect of the liquid is improved, the liquid with lower temperature can be heated and then enter the pressure transmitter main body 1, the inaccuracy of the detection data value of the pressure transmitter main body 1 to the liquid caused by the lower temperature of the liquid is avoided, the measurement accuracy of the pressure transmitter is improved, the second plug 14 can be unscrewed regularly, the cooling liquid in the liquid storage tank 2 can be discharged conveniently, the cooling liquid can be replaced conveniently, the pressure transmitter main body 1 can be detached from the pipeline regularly, the second liquid inlet pipe 10 and the sleeve pipe 11 are pulled out of the pipeline, the sleeve pipe 11 is unscrewed from the second liquid inlet pipe 10, the filter screen 12 can be cleaned conveniently, and meanwhile, the content which is not described in detail in the specification belongs to the prior art known by technical personnel in the field.
In conclusion, the high-precision pressure transmitter can conveniently add a proper amount of cooling liquid into the liquid storage tank 2 by unscrewing the first plug 13, conveniently observe the liquid level height in the liquid storage tank 2 by the observation mirror 15, make the liquid in the pipeline flow into the second liquid inlet pipe 10 through the filter screen 12, then flow into the pressure transmitter main body 1 sequentially through the second conveying pipe 6, the plurality of conveying branch pipes 7, the first conveying pipe 5 and the liquid inlet pipe 4, and when detecting the pressure value of the liquid, can block and intercept the impurity particles in the liquid in the pipeline by arranging the filter screen 12, so as to prevent the liquid from entering the pressure transmitter main body 1 with the impurity particles, improve the detection data value of the liquid by the pressure transmitter main body 1, and absorb the heat in the liquid by the cooling liquid after the liquid in the pipeline enters the liquid storage tank 2 when the temperature of the liquid conveyed in the pipeline is higher, play the effect of cooling liquid, carry on the reposition of redundant personnel to liquid with a plurality of delivery branch pipes 7 and carry, has improved the cooling effect to liquid, can transmit the heat in the cooling liquid in the liquid reserve tank 2 to the external world with a plurality of radiating fins 8, carry on the heat transfer cooling to the heat in the cooling liquid, thus can cool down the liquid with higher temperature and cool the back and enter the pressure transmitter main part 1, avoid the high temperature of liquid and cause the pressure transmitter main part 1 to the detection data value inaccuracy of liquid, through when the temperature of carrying the liquid in the pipeline is lower, open two electric heating boards 9 work and heat the cooling liquid in the liquid reserve tank 2, the low temperature liquid in the pipeline enters the liquid reserve tank 2, the low temperature liquid absorbs the heat in the cooling liquid, thus heat and heat up the liquid, carry on the reposition of redundant personnel to liquid with a plurality of delivery branch pipes 7 and carry, the utility model has the advantages of improving the heating effect to the liquid, entering the pressure transmitter main body 1 after heating the liquid with lower temperature, avoiding the inaccurate detection data value of the pressure transmitter main body 1 to the liquid caused by the lower temperature of the liquid, improving the measurement precision of the pressure transmitter, having reasonable design and good practicability, intercepting and filtering the impurity particles in the liquid, avoiding the liquid carrying the impurity particles from entering the pressure transmitter main body 1, but also can effectively cool the high-temperature liquid entering the pressure transmitter main body 1 when detecting the high-temperature liquid, when detecting the low-temperature liquid, the low-temperature liquid entering the pressure transmitter main body 1 can be effectively heated, so that the measurement precision of the pressure transmitter is improved, and the accuracy of a detection structure of the liquid is improved.
Claims (6)
1. High accuracy pressure transmitter, including pressure transmitter main part (1), its characterized in that: the bottom of the pressure transmitter main body (1) is fixedly connected with a liquid storage tank (2), the bottom of the liquid storage tank (2) is fixedly provided with a flange plate (3), the bottom of the pressure transmitter main body (1) is fixedly provided with a first liquid inlet pipe (4), the bottom end of the first liquid inlet pipe (4) extends into the liquid storage tank (2), a first conveying pipe (5) is arranged in the liquid storage tank (2), both ends of the first conveying pipe (5) are arranged in a closed manner, the bottom end of the first liquid inlet pipe (4) is fixedly connected and communicated with the top of the first conveying pipe (5), the bottom inner wall of the bottom of the liquid storage tank (2) is fixedly provided with a second conveying pipe (6), both ends of the second conveying pipe (6) are of a closed structure, the top of the second conveying pipe (6) is fixedly provided with a conveying branch pipe (7), the conveying branch pipe (7) is communicated with the inside of the second conveying pipe (6), the top end of the conveying branch pipe (7) is fixedly, a plurality of radiating fins (8) are fixedly installed on the inner walls of two sides of the liquid storage box (2) at equal intervals, the radiating fins (8) are all arranged in an inclined mode, one side of each radiating fin (8) extends into the liquid storage box (2), electric heating plates (9) are fixedly installed on the inner walls of two sides of the liquid storage box (2), a second liquid inlet pipe (10) is fixedly installed at the bottom of the flange plate (3), the top end of the second liquid inlet pipe (10) penetrates through the flange plate (3) and extends into the liquid storage box (2), the top end of the second liquid inlet pipe (10) is fixedly connected and communicated with the bottom of the second conveying pipe (6), a sleeve pipe (11) is sleeved at the bottom end of the second liquid inlet pipe (10), a filter screen (12) located below the second liquid inlet pipe (10) is fixedly installed in the sleeve pipe (11), a liquid feeding hole is formed in the inner wall of the top of the liquid storage box (2), and a first plug (, the top end of the first plug (13) extends out of the liquid adding hole.
2. The high accuracy pressure transmitter of claim 1, wherein: the inner wall of one side of the liquid storage box (2) is provided with a residue placing hole, a second plug (14) is installed in the residue placing hole in an inner thread mode, and one end of the second plug (14) extends to the outside of the residue placing hole.
3. The high accuracy pressure transmitter of claim 1, wherein: a circular observation hole is formed in the inner wall of one side of the liquid storage box (2), and an observation mirror (15) is fixedly mounted in the circular observation hole.
4. The high accuracy pressure transmitter of claim 1, wherein: fixed cover is equipped with two pipe clamps on first conveyer pipe (5), and two equal fixed mounting of pipe clamp are on the top inner wall of liquid reserve tank (2).
5. The high accuracy pressure transmitter of claim 1, wherein: the number of the conveying branch pipes (7) is multiple, and the plurality of conveying branch pipes (7) are arranged at equal intervals.
6. The high accuracy pressure transmitter of claim 1, wherein: the outer wall of the bottom of the second liquid inlet pipe (10) is provided with an external thread, the inner wall of the sleeve pipe (11) is provided with an internal thread, and the sleeve pipe (11) is in threaded connection and matching with the external thread on the second liquid inlet pipe (10) through the internal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022119014.9U CN213397480U (en) | 2020-09-24 | 2020-09-24 | High-precision pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022119014.9U CN213397480U (en) | 2020-09-24 | 2020-09-24 | High-precision pressure transmitter |
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| Publication Number | Publication Date |
|---|---|
| CN213397480U true CN213397480U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022119014.9U Active CN213397480U (en) | 2020-09-24 | 2020-09-24 | High-precision pressure transmitter |
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| CN (1) | CN213397480U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114964609A (en) * | 2022-06-14 | 2022-08-30 | 涅弗恩仪器仪表(重庆)有限公司 | Intelligent transmitter for industrial cooling liquid conveying pressure |
-
2020
- 2020-09-24 CN CN202022119014.9U patent/CN213397480U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114964609A (en) * | 2022-06-14 | 2022-08-30 | 涅弗恩仪器仪表(重庆)有限公司 | Intelligent transmitter for industrial cooling liquid conveying pressure |
| CN114964609B (en) * | 2022-06-14 | 2024-04-12 | 涅弗恩仪器仪表(重庆)有限公司 | Industrial coolant conveying pressure intelligent transmitter |
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Address after: 211600 No.5, Donglian Road, dailou industrial concentration zone, Jinhu County, Huai'an City, Jiangsu Province Patentee after: Hongqi Automatic Control (Jiangsu) Co.,Ltd. Address before: 211600 No.5, Donglian Road, dailou industrial concentration zone, Jinhu County, Huai'an City, Jiangsu Province Patentee before: HONGQI INSTRUMENT (JIANGSU) Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |