CN112539642A - Dehumidification device and dehumidification method for pipeline - Google Patents

Dehumidification device and dehumidification method for pipeline Download PDF

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Publication number
CN112539642A
CN112539642A CN202011549039.0A CN202011549039A CN112539642A CN 112539642 A CN112539642 A CN 112539642A CN 202011549039 A CN202011549039 A CN 202011549039A CN 112539642 A CN112539642 A CN 112539642A
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CN
China
Prior art keywords
pipeline
dehumidification
unit
dehumidifying
humidity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011549039.0A
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Chinese (zh)
Inventor
王晓彬
邓国波
彭小兵
王俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Gree Changsha HVAC Equipment Co Ltd
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Gree Changsha HVAC Equipment Co Ltd
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Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai, Gree Changsha HVAC Equipment Co Ltd filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202011549039.0A priority Critical patent/CN112539642A/en
Publication of CN112539642A publication Critical patent/CN112539642A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/001Drying-air generating units, e.g. movable, independent of drying enclosure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L53/00Heating of pipes or pipe systems; Cooling of pipes or pipe systems
    • F16L53/30Heating of pipes or pipe systems
    • F16L53/35Ohmic-resistance heating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00Protection or supervision of installations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/004Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/22Controlling the drying process in dependence on liquid content of solid materials or objects

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drying Of Gases (AREA)

Abstract

The invention relates to a dehumidifying device and a dehumidifying method for pipelines, wherein the dehumidifying device comprises: a dehumidification unit connectable to the pipeline; the humidity sensor is used for detecting the humidity in the pipeline; the control unit is connected with the dehumidification unit and the humidity sensor; wherein the control unit is configured to be able to switch off the dehumidifying unit according to a measurement result of the humidity sensor. The dehumidifying device and the dehumidifying method for the pipeline not only can greatly reduce the labor intensity of operators and improve the dehumidifying efficiency, but also can effectively avoid excessive dehumidification caused by carelessness of the operators, thereby effectively preventing energy waste and reducing the implementation cost of pipeline dehumidification.

Description

Dehumidification device and dehumidification method for pipeline
Technical Field
The invention belongs to the technical field of pipeline dehumidification, and particularly relates to a dehumidification device for a pipeline and a dehumidification method for the pipeline.
Background
In recent years, with the continuous development and improvement of industrial technologies, especially the continuous development and integration of mechanical manufacturing technology and electrical engineering technology, the degree of automation in the field of mechanical manufacturing has become higher and higher. However, it should be noted that, although the main production flow of the manufacturing enterprise has basically realized automated production, the automation degree of the end production link, which is typical of the dehumidification process of the pipeline, especially the air conditioning pipeline, is still very low.
After the air conditioner is assembled, water is required to be added to pressurize the test pipeline and whether leak points exist at the joint of the pipeline, and in order to prevent residual water in the pipeline after water is added and pressurized from corroding the pipeline, a dehumidifying device is generally adopted to dehumidify the pipeline. In the dehumidification process, an operator needs to pay attention to the measurement result of the humidity sensor all the time, so that the labor intensity of the operator is increased, the dehumidification efficiency is reduced, the risk of energy waste caused by forgetting to close the dehumidification device due to negligence exists, and the implementation cost of pipeline dehumidification is increased.
Disclosure of Invention
In order to solve all or part of the problems, the invention aims to provide a dehumidification device and a dehumidification method for a pipeline, which are used for solving the problem of low automation degree in the pipeline dehumidification process, so that the labor intensity of operators can be reduced, the dehumidification efficiency is improved, the energy waste can be prevented, and the implementation cost of pipeline dehumidification is reduced.
According to a first aspect of the present invention, there is provided a dehumidification apparatus for a pipeline, comprising: a dehumidification unit connectable to the pipeline; the humidity sensor is used for detecting the humidity in the pipeline; the control unit is connected with the dehumidification unit and the humidity sensor; wherein the control unit is configured to turn off the dehumidifying unit according to a measurement result of the humidity sensor.
Furthermore, the number of the humidity sensors is more than two, and the detection parts of the more than two humidity sensors are all arranged in the pipeline and spaced along the conveying direction of the pipeline.
Further, the control unit can start timing when knowing that the relative humidity detected by each humidity sensor is lower than a set threshold value, and close the dehumidification unit when the timing reaches a set time length.
Further, the set threshold is any value of 40% -50%, and the set time length is any value of 0.4h-0.6 h.
Further, the dehumidification device further comprises a reminding unit connected with the control unit, and the control unit is configured to turn on the reminding unit when the dehumidification unit is turned off.
Further, the reminding unit comprises a loudspeaker and/or a reminding lamp.
Furthermore, the dehumidification device also comprises a display unit connected with the control unit, and the display unit can at least display the measurement result of the humidity sensor and/or the working state of the dehumidification unit.
Further, the pipeline is an air conditioner pipeline.
Furthermore, the dehumidification unit comprises a heater capable of heating gas and a fan capable of driving the gas to flow through the heater and then enter the pipeline.
According to a second aspect of the present invention, there is provided a method of dehumidifying a pipeline, comprising the steps of: dehumidifying the pipeline; detecting the humidity in the pipeline; and when the detected humidity is lower than a set threshold value, the pipeline is automatically stopped to be dehumidified.
According to the dehumidification device for the pipeline in the first aspect of the invention, the control unit can judge the humidity of the pipeline according to the measurement result of the humidity sensor, and the dehumidification unit is closed when the humidity inside the pipeline meets the expected requirement. The automatic closing of dehumidification unit can be accomplished to the dehydrating unit that can replace the manual work, and this intensity of labour that not only can greatly reduced operating personnel improves dehumidification efficiency, can effectively avoid moreover because of the excessive dehumidification that operating personnel negligence carelessly caused, and then effectively prevent the energy extravagant to reduce the implementation cost that the pipeline dehumidified. In addition, the dehumidifying device has the advantages of simple structure, easy assembly, safe and reliable use and convenient implementation, popularization and application.
The dehumidification method for a pipeline according to the second aspect of the present invention detects the humidity inside the pipeline when the pipeline is dehumidified, and automatically stops dehumidifying the pipeline when the humidity inside the pipeline meets the expected requirement (i.e., the detected humidity is lower than the set threshold). Therefore, the dehumidification method can also replace manual work to complete automatic closing of the dehumidification unit, the labor intensity of operators can be greatly reduced, the dehumidification efficiency is improved, excessive dehumidification caused by carelessness of the operators can be effectively avoided, energy waste is effectively prevented, and the implementation cost of pipeline dehumidification is reduced.
Drawings
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the figure:
FIG. 1 is a functional block diagram of a dehumidifying apparatus for a pipeline according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a dehumidifying apparatus for a pipeline according to an embodiment of the present invention in a use state;
fig. 3 is a flowchart of a dehumidification method for a pipeline according to an embodiment of the present invention.
In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.
Detailed Description
The invention will be further explained with reference to the drawings.
FIG. 1 is a schematic structural diagram of a dehumidifying apparatus for a pipeline 200 according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a dehumidifying apparatus for a pipeline 200 according to an embodiment of the present invention in a use state. As shown in fig. 1 and fig. 2, a dehumidifying apparatus 100 for a pipeline 200 according to an embodiment of the present invention, the pipeline 200 is preferably an air conditioning pipeline 200, and the dehumidifying apparatus 100 includes a dehumidifying unit 1, a humidity sensor 2 and a control unit 3. The dehumidification unit 1 can be connected to the pipeline 200, and performs dehumidification processing on the inside of the pipeline 200. The humidity sensor 2 is used to detect the humidity in the pipeline 200. The control unit 3 is connected to both the dehumidification unit 1 and the humidity sensor 2. Wherein the control unit 3 is configured to be able to switch off the dehumidifying unit 1 depending on the measurement result of the humidity sensor 2. The control unit 3 mainly includes a programmable logic control unit (such as a single chip, a PLC, or a CPU), a memory, and an electronic component connected to the programmable logic control unit, and may also include a key and/or a knob if necessary, which are well known to those skilled in the art, and therefore, they will not be described in detail herein.
According to the embodiment of the invention, the dehumidifying device 100 can replace manual work to complete automatic closing of the dehumidifying unit 1, which not only can greatly reduce the labor intensity of operators and improve the dehumidifying efficiency, but also can effectively avoid excessive dehumidification caused by carelessness of the operators, thereby effectively preventing energy waste and reducing the dehumidifying cost of the pipeline 200.
The number of the humidity sensors 2 is not limited, and may be one or more. However, in the present embodiment, the number of the humidity sensors 2 is preferably two or more. The detection parts of more than two humidity sensors 2 are all arranged in the pipeline 200 and spaced along the conveying direction of the pipeline 200, and the humidity sensors 2 can better reflect the dehumidification condition inside the pipeline 200. In order to reflect the dehumidification inside the pipeline 200 more safely, it is suggested to select one from two or more humidity sensors 2 and then to arrange the detection portion thereof in the outlet of the pipeline 200.
In the present embodiment, the control unit 3 is configured to start timing when it is known that the relative humidity detected by each humidity sensor 2 is lower than a set threshold value, and to turn off the dehumidifying unit 1 when the timing reaches a set period of time. The set threshold value can be selected to be any value of 40% -50%, preferably 45%, and the set time length can be selected to be any value of 0.4h-0.6h, but is preferably 0.5 h. That is, when the detection results of all the humidity sensors 2 are less than or equal to the set threshold, the dehumidification unit 1 continues to operate, and is turned off by the control unit 3 after the timing reaches the set time period, so that the dehumidification effect on the pipeline 200 can be ensured. Wherein the relative humidity refers to a ratio of an absolute humidity in the air to a saturated absolute humidity at the same temperature and the same pressure. It should be noted that in other embodiments, the control unit 3 may be configured to turn off the dehumidification unit 1 immediately after knowing that the relative humidity detected by each humidity sensor 2 is lower than the set threshold.
In the present embodiment, the dehumidifying apparatus 100 further includes a reminder unit 4 connected to the control unit 3, and the control unit 3 is configured to turn on the reminder unit 4 when the dehumidifying unit 1 is turned off. Preferably, the reminder unit 4 comprises a speaker and/or a reminder light. When selected as a speaker, the alert may be implemented by means of a sound emitted by the speaker (e.g., a droplet, a stream of droplets). When selected as the warning light, the warning may be implemented by means of light emitted by the warning light. The reminding unit 4 that adds can send the suggestion to operating personnel through sound and/or light after closing dehumidification unit 1, reminds operating personnel in time to demolish being connected of dehydrating unit 100 and pipeline 200 to utilize it to clear up next pipeline 200, can further shorten the time that pipeline 200 occupy dehydrating unit 100 from this, improve dehumidification efficiency.
In this embodiment, the dehumidifying apparatus 100 further comprises a display unit 5 connected to the control unit 3, which is capable of displaying at least the measurement result of the humidity sensor 2 and/or the operating state of the dehumidifying unit 1. Through the additionally arranged display unit 5, an operator can see the measurement result of each humidity sensor 2 and/or the working state of the dehumidification unit 1 in real time, so that the dehumidification effect of the pipeline 200 can be effectively monitored, and the dehumidification effect of the pipeline 200 is prevented from being influenced due to equipment faults such as the humidity sensors 2 and the dehumidification unit 1 or control program errors of the control unit 3. Among them, the display unit 5 is preferably a liquid crystal panel, an ink panel, or the like.
In this embodiment, the dehumidification unit 1 includes a heater (not shown) capable of heating the gas and a fan (not shown) capable of driving the gas to flow through the heater and then into the pipeline 200. The gas heated by the heater can evaporate the water remained in the pipeline 200, and the flowing gas can take the generated water vapor out of the pipeline 200, so as to achieve the aim of dehumidifying the pipeline 200. Among them, the heater is preferably a heating wire, a burner, or the like.
As shown in fig. 3, an embodiment of the present invention further provides a dehumidification method for a pipeline 200, which includes the steps of: step a, dehumidifying the pipeline 200; step b, detecting the humidity in the pipeline 200; and c, automatically stopping dehumidifying the pipeline 200 when the detected humidity is lower than a set threshold value. Preferably, the dehumidification method is implemented by the dehumidification device 100 described in the previous embodiment.
In summary, the dehumidification device 100 for the pipeline 200 and the dehumidification method for the pipeline 200 provided by the embodiment of the invention can replace manual work to complete automatic closing of the dehumidification unit, which not only can greatly reduce the labor intensity of operators and improve the dehumidification efficiency, but also can effectively avoid excessive dehumidification caused by carelessness of the operators, thereby effectively preventing energy waste and reducing the implementation cost of pipeline dehumidification.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily make changes or variations within the technical scope of the present invention disclosed, and such changes or variations should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims. The technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. A dehumidification apparatus for a pipeline, comprising:
a dehumidification unit connectable to the pipeline;
the humidity sensor is used for detecting the humidity in the pipeline;
the control unit is connected with the dehumidification unit and the humidity sensor;
wherein the control unit is configured to turn off the dehumidifying unit according to a measurement result of the humidity sensor.
2. The dehumidifying device according to claim 1, wherein the number of the humidity sensors is two or more, and the detecting portions of the two or more humidity sensors are arranged in the duct and spaced apart in a conveying direction of the duct.
3. The dehumidification apparatus according to claim 2, wherein the control unit is configured to start a timer upon recognizing that the relative humidity detected by each of the humidity sensors is lower than a set threshold, and to turn off the dehumidification unit when the timer reaches a set duration.
4. A dehumidifying device as claimed in claim 3, wherein the set threshold value is any value from 40% to 50%, and the set time period is any value from 0.4h to 0.6 h.
5. A dehumidifying device as claimed in any one of claims 1 to 4 further comprising a reminder unit connected to the control unit, the control unit being configured to turn on the reminder unit when the dehumidifying unit is turned off.
6. A dehumidifying device as claimed in claim 5 wherein the warning unit comprises a loudspeaker and/or a warning light.
7. A dehumidifying device as claimed in any one of claims 1 to 4, further comprising a display unit connected to the control unit and capable of displaying at least the measurement result of the humidity sensor and/or the operating state of the dehumidifying unit.
8. A dehumidifying device as claimed in any one of claims 1 to 4 wherein the conduit is an air conditioning conduit.
9. A dehumidifying device as claimed in any one of claims 1 to 4 wherein the dehumidifying unit comprises a heater capable of heating the gas and a fan capable of driving the gas through the heater and into the conduit.
10. A method of dehumidifying a pipeline, comprising the steps of:
dehumidifying the pipeline;
detecting the humidity in the pipeline;
and when the detected humidity is lower than a set threshold value, the pipeline is automatically stopped to be dehumidified.
CN202011549039.0A 2020-12-24 2020-12-24 Dehumidification device and dehumidification method for pipeline Pending CN112539642A (en)

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CN202011549039.0A CN112539642A (en) 2020-12-24 2020-12-24 Dehumidification device and dehumidification method for pipeline

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Application Number Priority Date Filing Date Title
CN202011549039.0A CN112539642A (en) 2020-12-24 2020-12-24 Dehumidification device and dehumidification method for pipeline

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03168559A (en) * 1989-11-27 1991-07-22 Matsushita Electric Works Ltd Environment control system
CN2720311Y (en) * 2004-07-13 2005-08-24 林清矫 Indoor-air-humidity automatic controlling device
CN102374612A (en) * 2011-09-28 2012-03-14 曙光信息产业(北京)有限公司 Dehumidifying method and system
CN102589058A (en) * 2011-01-10 2012-07-18 广东迪奥技术工程有限公司 Efficient energy-saving air-conditioning system with independently controlled temperature and humidity and adjusting method thereof
CN103256763A (en) * 2013-06-07 2013-08-21 天津商业大学 Humidity controllable air conditioner and humidity control method
JP2014109415A (en) * 2012-12-04 2014-06-12 Mitsubishi Electric Corp Air conditioner
CN205678822U (en) * 2016-05-16 2016-11-09 广州汽车集团股份有限公司 Air-conditioner control system and air-conditioner controller
CN209325965U (en) * 2018-11-21 2019-08-30 合肥天鹅制冷科技有限公司 Wide temperature refrigerated dehumidification device
CN211041142U (en) * 2019-12-16 2020-07-17 湖南红橡室内气候技术有限公司 Serial-type single cold heat source fresh air humidifying unit
CN111609483A (en) * 2020-06-05 2020-09-01 珠海格力电器股份有限公司 Dehumidification device and dehumidification system

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03168559A (en) * 1989-11-27 1991-07-22 Matsushita Electric Works Ltd Environment control system
CN2720311Y (en) * 2004-07-13 2005-08-24 林清矫 Indoor-air-humidity automatic controlling device
CN102589058A (en) * 2011-01-10 2012-07-18 广东迪奥技术工程有限公司 Efficient energy-saving air-conditioning system with independently controlled temperature and humidity and adjusting method thereof
CN102374612A (en) * 2011-09-28 2012-03-14 曙光信息产业(北京)有限公司 Dehumidifying method and system
JP2014109415A (en) * 2012-12-04 2014-06-12 Mitsubishi Electric Corp Air conditioner
CN103256763A (en) * 2013-06-07 2013-08-21 天津商业大学 Humidity controllable air conditioner and humidity control method
CN205678822U (en) * 2016-05-16 2016-11-09 广州汽车集团股份有限公司 Air-conditioner control system and air-conditioner controller
CN209325965U (en) * 2018-11-21 2019-08-30 合肥天鹅制冷科技有限公司 Wide temperature refrigerated dehumidification device
CN211041142U (en) * 2019-12-16 2020-07-17 湖南红橡室内气候技术有限公司 Serial-type single cold heat source fresh air humidifying unit
CN111609483A (en) * 2020-06-05 2020-09-01 珠海格力电器股份有限公司 Dehumidification device and dehumidification system

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Application publication date: 20210323

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