CN217683883U - Pipeline heating anti-freezing device capable of realizing temperature compensation - Google Patents
Pipeline heating anti-freezing device capable of realizing temperature compensation Download PDFInfo
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- CN217683883U CN217683883U CN202221991450.8U CN202221991450U CN217683883U CN 217683883 U CN217683883 U CN 217683883U CN 202221991450 U CN202221991450 U CN 202221991450U CN 217683883 U CN217683883 U CN 217683883U
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- pipeline
- temperature
- electric heating
- control box
- temperature sensor
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- 238000010438 heat treatment Methods 0.000 title claims description 11
- 238000007710 freezing Methods 0.000 title description 5
- 238000005485 electric heating Methods 0.000 claims abstract description 32
- 238000004891 communication Methods 0.000 claims abstract description 17
- 239000000523 sample Substances 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 8
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 4
- 239000003570 air Substances 0.000 description 9
- 239000012080 ambient air Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000004321 preservation Methods 0.000 description 5
- 230000008014 freezing Effects 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a pipeline that realizes temperature compensation freeze-proof device that heats, the device includes the control box, and the pipeline medium temperature sensor who links to each other with the control box, ambient temperature sensor, and hug closely the electric heating device of installation along the pipeline outer wall, the control box includes network communication module, temperature reading module and calculation control module, and read the temperature data in the weather forecast of second day through the server address that network communication module visit is predetermine, and obtain medium temperature in the pipeline and obtain ambient temperature when through ambient temperature sensor through pipeline medium temperature sensor, calculation control module judges according to above-mentioned temperature data intelligence and reachs the strategy that whether starts electric heating device and carry out temperature compensation to the pipeline.
Description
Technical Field
The utility model belongs to the pipeline operation maintenance field, concretely relates to realize temperature compensation's pipeline freeze-proof device that heats.
Background
In northern areas of China, the average temperature is usually-4 ℃ to-15 ℃ in winter, and the long-time environmental temperature is below the freezing point, which causes freezing hidden danger for the safe operation of medium pipelines in various industrial production. When the ambient temperature is too low, the medium in the pipeline is frozen, the medium volume is increased, the pipeline is deformed and cracked, and then the medium leakage occurs, and the safe operation of the pipe network is influenced. Common heat preservation measure is for installing the physics heat preservation of certain thickness additional, but the physics heat preservation is only physics heat preservation, reduces the heat transfer, and the heat preservation effect is poor, can not realize the intensification under the condition that the medium temperature has reduced, perhaps can not the uniform heating up, and the medium velocity of flow slows down or stops after flowing in the pipeline that leads to, can't heat up again and resume normal condition, can arouse bad consequence from this.
To this condition, the utility model provides a pipeline that realizes temperature compensation freeze-proof device that heats can solve among the relevant technical field well because can't carry out the even heating to the pipeline and realize rising temperature and the damage of freezing that produces.
Disclosure of Invention
The purpose of the utility model is to solve the problem that proposes among the above-mentioned background art. The purpose is realized by the following technical scheme:
the utility model discloses in provide a pipeline that realizes temperature compensation freeze-proof device that heats, include:
the control box comprises a network communication module, a temperature reading module and a calculation control module, wherein the network communication module is communicated with a public communication network; the temperature reading module is connected with the medium temperature sensor and the environment temperature sensor; the calculation control module is connected with the electric heating device; the medium temperature sensor comprises a sensor probe and a lead, the sensor probe is fixedly installed inside the pipeline through a pipeline installation hole, and the sensor probe is connected with the temperature reading module of the control box through the lead. The environment temperature sensor comprises a sensor probe and a wire, the sensor probe is fixedly arranged on the outer side of the pipeline, exposed in the air environment and connected with the temperature reading module of the control box through the wire; the electric heating device is a metal wire with a certain length and a certain resistance value, can generate heat under the power-on condition, is tightly attached and fixedly installed along the outer wall of the pipeline, and is connected with the calculation control module of the control box.
Further, the purpose of the medium temperature sensor is to obtain temperature data T1 of the medium in the pipe.
Further, the purpose of the ambient temperature sensor is to obtain temperature data T2 of the ambient air.
Further, the network communication module of the control box acquires forecast temperature data T0 in the weather forecast of the next day by accessing a preset server network address.
Furthermore, the temperature reading module of the control box is respectively connected with the medium temperature sensor and the environment temperature sensor through leads and used for periodically and simultaneously acquiring the medium temperature T1 and the environment air temperature data T2 in the pipeline.
Further, the calculation control module of the control box obtains a strategy of whether to supply power to the electric heating device or not by judging specific values of the forecast air temperature data T0, the medium temperature T1 and the ambient air temperature T2. And when the forecast air temperature data T0 is lower than-10 ℃, or the ambient air temperature T2 is lower than 5 ℃ and the medium temperature T1 is lower than 25 ℃, the calculation control module of the control box starts to supply power to the electric heating device to heat the medium of the pipeline.
Further, when the forecast air temperature data T0 is not lower than-10 ℃, and the ambient air temperature T2 is not lower than 5 ℃ or the medium temperature T1 is not lower than 25 ℃, the calculation control module of the control box stops supplying power to the electric heating device and stops heating the medium of the pipeline.
Install in the pipeline in industrial production the utility model discloses in provide a pipeline that realizes temperature compensation freeze-proof device that heats, can carry out the even heating to the pipeline and heat up, avoid leading to the frozen condition that leads to the pipeline to break to take place, the safety of fine protection pipeline because of the low temperature.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that are required to be used in the embodiments will be described in detail below, and the drawings are only for the purpose of illustrating the preferred embodiments and are not to be construed as limiting the present invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a block diagram of an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another embodiment of the present invention;
fig. 4 is a schematic structural diagram of another embodiment of the present invention;
fig. 5 is a schematic diagram of the control box controlling the electric heating device of the present invention;
fig. 6 is a schematic structural diagram of another embodiment of the present invention;
fig. 7 is a schematic structural diagram of the control box of the present invention;
fig. 8 is a flow chart of the present invention;
the reference symbols in the drawings denote the following:
1. a control box; 2. a medium temperature sensor; 3. an ambient temperature sensor; 4. an electric heating device; 5. pipeline
11. A temperature reading module; 12. a calculation control module; 13. And a network communication module.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The invention is further described with reference to the following drawings and detailed description:
as shown in fig. 1, according to the utility model discloses a pipeline that realizes temperature compensation freeze-proof device that heats includes: a control box 1; a medium temperature sensor 2; an ambient temperature sensor 3; an electric heating device 4. The medium temperature sensor 2 comprises a sensor probe and a lead, the sensor probe is fixedly arranged in the pipeline through a pipeline mounting hole and is connected with the temperature reading module through the lead; the environment temperature sensor 3 comprises a sensor probe and a wire, the sensor probe is fixedly arranged outside the pipeline, exposed in the air environment and connected with the temperature reading module through the wire; the electric heating device 4 is a metal conductor, is tightly attached and fixedly installed along the outer wall of the pipeline, and is used for realizing electrification according to the temperature read by the temperature reading module and generating heat for heating the pipeline.
As shown in fig. 1, the number of the medium temperature sensors 2 corresponds to the number of the electric heating devices 4, each medium temperature sensor 2 is fixedly installed at a central point position or a tail end position of a single electric heating device, and the medium average temperature T3 is obtained by using the temperature data of the plurality of medium temperature sensors 2 according to the method for calculating the medium average temperature T3, and is used for controlling the work flow of the box 1.
As shown in fig. 2, in some embodiments of the present invention, the number of the medium temperature sensors may be increased to 2 or more according to the radius and length of the actual pipeline, and the installation positions are evenly distributed on the length of the protected pipeline. Therefore, the temperature of the pipeline can be collected more accurately, and the electric heating device is controlled. The control box 1 simultaneously collects the medium temperature sensor 21 and the medium temperature sensor 22 to obtain a plurality of medium temperatures T11 and medium temperatures T12, calculates a weighted average value to obtain a medium average temperature T3, and uses the medium average temperature T3 instead of the medium temperature T1 when the calculation control module 12 of the control box 1 judges.
As shown in fig. 3, in an embodiment of the present invention, the electric heating device is a plurality of strip-shaped metal conductors, and the metal conductors are equally distributed in the length direction of the pipeline at the same intervals.
As shown in fig. 4, in a specific embodiment of the present invention, the electric heating device is a plurality of strip-shaped metal conductors, which are evenly distributed on the pipeline at regular intervals along the circumferential direction of the pipeline, so as to form a wrapping situation for the pipeline; and the water pipe is sequentially extended forwards and distributed on the pipeline along the radial direction of the pipeline to form a ladder shape.
As shown in fig. 5, in an embodiment of the present invention, the electric heating device may be a spiral metal conductor spirally wound on the pipe along the length direction of the pipe. The spiral winding installation mode can be more rapid for the pipeline increases the temperature.
As shown in fig. 6, in a specific embodiment of the present invention, the control box uses the relay to control whether the electric heating device supplies power, and then controls whether to heat the pipeline.
As shown in fig. 7, the control box 1 includes a temperature reading module 11, a calculation control module 12 and a network communication module 13; a temperature reading module 11 in the control box 1 is respectively connected with the medium temperature sensor 2 and the environment temperature sensor 3;
the calculation control module 12 in the control box 1 is connected to the electric heating device 4.
The network communication module 13 in the control box 1 obtains the forecast temperature data T0 of the next day by accessing the preset weather forecast server.
Through the above technical scheme of the utility model, control box 1 reads module 11 through the temperature and is connected with medium temperature sensor 2 and ambient temperature sensor 3 respectively to certain time interval is the cycle, gathers medium temperature T1 and ambient air temperature T2 in the pipeline respectively.
And the calculation control module 12 of the control box 1 is used for switching on or off the electric heating device 4 to heat or stop heating the outer wall of the pipeline. For example, if the predicted air temperature data T0 is lower than-10 ℃, the electric heating device 4 starts to be powered, or the predicted air temperature data T0 is not lower than-10 ℃, and at the same time, the ambient air temperature T2 is lower than 5 ℃ and at the same time, the medium temperature T1 is lower than 25 ℃, the calculation control module 12 of the control box 1 starts to power the electric heating device 4, heats the outer wall of the pipeline, further conducts heat to the medium in the pipeline, and increases the temperature of the medium in the pipeline; if the forecast air temperature data T0 is not lower than-10 ℃, and the ambient air temperature T2 is not lower than 5 ℃ or the medium temperature T1 is not lower than 25 ℃, the calculation control module 12 of the control box 1 stops supplying power to the electric heating device 4 and stops heating the outer wall of the pipeline.
As shown in fig. 8, when the next time period t is reached, the control box 1 repeats the above temperature collection and temperature value determination operations, and repeats the operations.
In some embodiments of the present invention, the network communication module 13 includes, but is not limited to, the following: and universal network communication modes such as network cables, wifi, wireless radio frequency and LORA. The network communication module 13 reads the weather of the next day through a preset weather forecast server, which may be www.cma.gov.cn of the chinese weather bureau website, or may be a third-party weather forecast server.
In some embodiments of the present invention, the temperature reading module 11 may be a current collecting device from 4 to 20ma, a voltage collecting device from 0 to 20v, or a modbus communication device.
In some embodiments of the present invention, the time period T for the control box 1 to collect the medium temperature T1 and the ambient air temperature T2 is 10 to 30 minutes.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a pipeline that realizes temperature compensation freeze-proof device that heats which characterized in that includes:
the control box comprises a temperature reading module, and the temperature reading module is respectively connected with the medium temperature sensor and the environment temperature sensor;
the medium temperature sensor comprises a sensor probe and a lead, the sensor probe is fixedly arranged in the pipeline through a pipeline mounting hole and is connected with the temperature reading module through the lead;
the environment temperature sensor comprises a sensor probe and a wire, wherein the sensor probe is fixedly arranged on the outer side of the pipeline, exposed in an air environment and connected with the temperature reading module through the wire;
the electric heating device is a metal conductor, is tightly attached and fixedly installed along the outer wall of the pipeline and is used for electrifying work, generating heat for heating the outer wall of the pipeline and conducting the heat to a medium inside the pipeline.
2. The device of claim 1, wherein the control box comprises a switch control module, and the switch control module is connected with the electric heating device and used for controlling the electric heating device to be switched on or switched off.
3. The apparatus of claim 1, wherein the control box comprises a network communication module for accessing a network server to read forecast temperature data in a weather forecast.
4. The apparatus of claim 3, wherein the communication mode of the network communication module includes but is not limited to: network cable, WIFI, radio frequency, LORA.
5. The device of claim 1, wherein the temperature reading module comprises a 4 to 20mA current collection device, or a 0 to 20V voltage collection device, or a modbus communication device.
6. The apparatus of claim 1, wherein the electrical heating device comprises a strip-shaped metal conductor having a length direction parallel to a length direction of the conduit.
7. The apparatus of claim 1, wherein the electrical heat generating device comprises a helical metal conductor helically wound around the pipe along the length of the pipe.
8. The device as claimed in claim 6 or 7, wherein the number of the electric heating devices is a plurality, the electric heating devices are evenly distributed in the length direction of the pipeline, the number of the medium temperature sensors corresponds to the number of the electric heating devices, and each medium temperature sensor is fixedly arranged at the central point position or the tail end position of a single electric heating device.
9. The device as claimed in claim 6, wherein the electric heating device is a plurality of electric heating devices which are evenly distributed on the pipeline along the circumferential direction of the pipeline; the pipes are distributed on the pipe in a staggered way along the radial direction of the pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221991450.8U CN217683883U (en) | 2022-07-31 | 2022-07-31 | Pipeline heating anti-freezing device capable of realizing temperature compensation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221991450.8U CN217683883U (en) | 2022-07-31 | 2022-07-31 | Pipeline heating anti-freezing device capable of realizing temperature compensation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217683883U true CN217683883U (en) | 2022-10-28 |
Family
ID=83719273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221991450.8U Active CN217683883U (en) | 2022-07-31 | 2022-07-31 | Pipeline heating anti-freezing device capable of realizing temperature compensation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217683883U (en) |
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2022
- 2022-07-31 CN CN202221991450.8U patent/CN217683883U/en active Active
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A pipeline heating and anti freezing device for temperature compensation Granted publication date: 20221028 Pledgee: Chengde Bank Co.,Ltd. Century Branch Pledgor: CHENGDE HEATING GROUP CO.,LTD. Registration number: Y2024980001298 |