CN112362694A - On-site detection device and detection method for heat transfer coefficient of enclosure structure - Google Patents
On-site detection device and detection method for heat transfer coefficient of enclosure structure Download PDFInfo
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- CN112362694A CN112362694A CN202011265133.3A CN202011265133A CN112362694A CN 112362694 A CN112362694 A CN 112362694A CN 202011265133 A CN202011265133 A CN 202011265133A CN 112362694 A CN112362694 A CN 112362694A
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- 238000001514 detection method Methods 0.000 title claims abstract description 45
- 238000012546 transfer Methods 0.000 title claims abstract description 30
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 77
- 238000010438 heat treatment Methods 0.000 claims description 37
- 238000005259 measurement Methods 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/14—Sealings between relatively-stationary surfaces by means of granular or plastic material, or fluid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/18—Investigating or analyzing materials by the use of thermal means by investigating thermal conductivity
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Abstract
The application relates to the field of house heat insulation performance detection, in particular to an envelope heat transfer coefficient field detection device and a detection method. This application has the effect of error when reducing hot box and detecting envelope.
Description
Technical Field
The application relates to the field of house heat insulation performance detection, in particular to an on-site detection device and a detection method for heat transfer coefficients of an enclosure structure.
Background
At present, building energy conservation is highly valued by people in society. In order to determine the energy saving effect of the building, the energy saving detection of the building is required after the building is built or completed. The building energy conservation is mainly determined by the heat conductivity coefficients of building materials and the building enclosure, so the measurement of the heat conductivity coefficient of the building enclosure is a standard for the detection and acceptance of the energy-saving effect of the energy-saving building.
The existing method for detecting the heat transfer coefficient of the building envelope structure on site mainly comprises the following steps: heat flow meter methods, hot box methods, unsteady state methods, thermal infrared imager methods, and the like. Experts in the domestic and foreign industries explore and develop various wall heat transfer coefficient testing devices, particularly field testing devices, and most of the devices are based on the principles of a calibration heat box method and a heat flow meter method. The hot box detection method is commonly used for a hot box, the hot box is fixed with an enclosure structure, then the temperature of one side, close to the enclosure structure, of the hot box is increased by utilizing the self heating function of the hot box, then the temperature is measured at the other side of the enclosure structure, and the heat conduction performance of a wall body is calculated through a formula.
In view of the above-mentioned related technologies, the inventor thinks that when the hot box is used, because the wall body is uneven, the seal between the hot box and the wall body is not tight, which results in inaccurate measured data and large detection errors.
Disclosure of Invention
In order to reduce errors when the heat box detects the enclosure structure, the application provides a device and a method for detecting the heat transfer coefficient of the enclosure structure on site.
In a first aspect, the application provides an on-site detection device for heat transfer coefficient of an enclosure structure, which adopts the following technical scheme:
the utility model provides an envelope coefficient of heat transfer on-site measuring device, detection device is including setting up the box at the envelope lateral wall, the box includes inner box and outer container, the outer container cover is established in the inner box, be provided with the connecting rod between outer container and the inner box, the both ends of connecting rod respectively with inner box and outer container fixed connection, one side of inner box and outer container all with envelope butt, all be provided with between inner box and outer container and the envelope and be used for sealed seal assembly, be provided with the heating device who is used for raising the temperature in the inner box, the outer container is provided with the heat preservation subassembly that is used for heat preservation, outer container and envelope fixed connection.
By adopting the technical scheme, the box body of the hot box is divided into the inner box and the outer box, the connecting rod is arranged between the inner box and the outer box, the positions of the inner box and the outer box are kept fixed due to the fact that two ends of the connecting rod are fixedly connected with the inner box and the outer box respectively, after the outer box is fixedly connected with the enclosure structure, the positions of the inner box and the enclosure structure are kept fixed, and the stability of the box body during integral use is improved; sealing assemblies are arranged between the inner box and the outer box and the enclosure structure, gaps between the inner box and the enclosure structure and gaps between the outer box and the enclosure structure are sealed by the sealing assemblies, the sealing performance between the inner box and the enclosure structure and the outer box and the enclosure structure are improved, two seals are formed by the inner box and the outer box, the sealing performance between the box body and the enclosure structure is further improved, and the purpose of reducing errors when the heat box detects the enclosure structure is achieved; meanwhile, a heat-insulating assembly is arranged between the inner box and the outer box, so that inaccurate data measurement caused by heat exchange between the inner box and the outside is reduced, and the error of the hot box during detection of the enclosure structure is further reduced.
Optionally, the sealing assembly comprises a sealing groove and a sealing airbag, the sealing groove is formed in the side wall, close to the wall body, of the inner box and the outer box, the sealing airbag is located in the sealing groove, one side of the sealing airbag is fixedly connected with the sealing groove, and the other side of the sealing airbag is abutted to the enclosure structure.
By adopting the technical scheme, when the sealing assembly is used, the outer box is fixed with the enclosure structure, then the sealing air bag in the sealing groove is inflated by using the air source, the inflated sealing air bag overflows the sealing groove, the gap between the box body and the enclosure structure is sealed by using the sealing air bag, so that the sealing between the item box body and the enclosure structure is realized, after the detection is finished, the sealing air bag is deflated to the sealing groove after being deflated, the storage of the sealing air bag is completed, and the sealing assembly is simple in structure, simple in sealing and capable of being repeatedly used.
Optionally, a connecting pipe is arranged between the sealed air bags of the inner box and the outer box, two ends of the connecting pipe are fixedly connected with the two sealed air bags respectively, and the two sealed air bags are communicated through the connecting pipe.
Through adopting above-mentioned technical scheme, through setting up the connecting pipe, because the both ends of connecting pipe respectively with two sealed gasbag fixed connection to the connecting pipe all communicates with two sealed gasbags, so when aerifing the sealed gasbag of outer container, aerify the sealed gasbag of inner box through the connecting pipe simultaneously, promote the convenience when sealed gasbag aerifys.
Optionally, the heat preservation assembly comprises a heating wire and a control switch, the heating wire is fixedly connected with the outer box, the heating wire is connected with the control switch, and the control switch is fixedly connected with one side of the outer box, which is far away from the inner box.
By adopting the technical scheme, when the outer side of the inner box is insulated by the insulation assembly, the temperature of the inner box is measured by the detector of the inner box, and then the space between the inner box and the outer box is heated by the control switch to control the heating wire, so that the temperature between the inner box and the outer box is consistent with the temperature of the inner box, the heat exchange between the inner box and the outside is reduced, and the error of the heat box when the envelope structure is detected is further reduced.
Optionally, a fixing assembly is arranged between the outer box and the enclosure structure and comprises a fixing plate, a fixing bolt and a fixing nut, the fixing plate is fixedly connected with the outer box, one end of the fixing bolt is fixed with the enclosure structure, and the other end of the fixing bolt penetrates through the fixing plate and then is in threaded connection with the fixing nut.
By adopting the technical scheme, when the outer box and the enclosure structure are fixed by the fixing assembly, one end of the fixing bolt is fixedly connected with the enclosure structure, then the outer box is moved, and the fixing plate is fixedly connected with the outer box, so that the outer box drives the fixing plate to abut against the enclosure structure, the fixing bolt penetrates through the fixing plate and then is in threaded connection with the fixing nut, the fixing bolt and the fixing nut are utilized to fixedly connect the fixing plate with the enclosure structure, and the outer box is never fixedly connected with the enclosure structure.
Optionally, the connecting rod is provided with two at least, and every connecting rod all includes dead lever and dwang, the one end and the inner box fixed connection of dead lever, and the lateral wall of outer container is passed to the one end of dwang, is provided with adjusting part between dwang and the dead lever.
By adopting the technical scheme, at least two connecting rods are arranged, and the stability of the inner box in the outer box is improved by utilizing the two connecting rods; because the lateral wall of outer container is passed to the one end of dwang, rotatory dwang utilizes the adjusting part between dwang and the dead lever, adjusts the distance of dead lever and dwang, because the one end and the inner box fixed connection of dead lever, so the dead lever promotes inner box and envelope butt, further promotes the leakproofness between inner box and the envelope.
Optionally, the adjusting part comprises an adjusting groove and a screw rod, the adjusting groove is formed in one end, far away from the inner box, of the fixing rod, one end of the screw rod is fixedly connected with the rotating rod, and the other end of the screw rod is in threaded connection with the side wall of the adjusting groove.
Through adopting above-mentioned technical scheme, when using adjusting part, at first rotatory dwang, because dwang and lead screw fixed connection, so the dwang drives the lead screw and rotates, because the lead screw is kept away from the one end of dwang and the lateral wall threaded connection of adjustment tank, so the lead screw rotates and makes the lead screw promote the dead lever and be close to or keep away from the rotation, adjusting part simple structure, convenient to use promote the convenience when using.
Optionally, one end of each rotating rod, which is far away from the fixing rod, is fixedly connected with a rotating handle.
Through adopting above-mentioned technical scheme, because rotatory handle and dwang fixed connection, so rotate rotatory handle and drive the dwang and rotate, promote the convenience when dwang rotates through setting up rotatory handle.
In a second aspect, the application provides a detection method for an on-site detection device for a heat transfer coefficient of an enclosure structure, and the following technical scheme is adopted.
A detection method of a device for detecting the heat transfer coefficient of a building envelope on site comprises the following steps:
s1, fixing an outer box: firstly, measuring a position expected to be detected, measuring the position of a fixing bolt, fixedly connecting the fixing bolt with the enclosure structure, then moving an outer box to drive the fixing plate to abut against a wall body, and then fixing the fixing plate with the enclosure structure by using a fixing nut;
s2, pushing the inner box: the rotating handle is rotated to drive the rotating rod to rotate, the rotating rod drives the screw rod to rotate, the screw rod rotates in the adjusting groove, the screw rod drives the fixing rod to be far away from the rotating rod, and the fixing rod pushes the inner box to be abutted against the enclosure structure;
s3, sealing gaps between the inner box and the outer box and the enclosure: inflating the sealed air bag of the outer box by using an air source, conveying the air into the sealed air bag of the inner box through a connecting pipe, expanding the sealed air bag to flush out a sealing groove, and filling gaps among the inner box, the outer box and the enclosing structure by using the expanded sealed air bag;
s4, heating the inner box and the outer box simultaneously: starting a heating device of the inner box, measuring the temperature of the heating device of the inner box according to the detection mechanism, and controlling the temperature of the heating wire through the control switch to ensure that the temperature between the inner box and the outer box is consistent with the temperature of the inner box;
s5, detecting the heat transfer coefficient: and (3) keeping the temperature of the inner box for a period of time by using the heating device, and then measuring the value of the other side of the enclosure structure to finish the field measurement of the enclosure structure.
By adopting the technical scheme, firstly, the position to be measured is predicted to be measured, and the position of the fixing bolt is positioned, so that the outer box and the enclosure structure can be conveniently fixed by using the fixing bolt and the fixing plate in the later period; then, the rotating handle is rotated to drive the rotating rod to rotate, so that the rotating rod drives the screw rod to rotate, the inner box is pushed to abut against and approach the enclosure structure through the fixing rod, and preliminary sealing between the inner box and the enclosure structure is completed; then, the air source is used for inflating the sealed air bag of the outer box, the sealed air bag of the inner box is inflated simultaneously through the connecting pipe, the sealed air bag expands out of the sealing groove after being inflated and expanded and is abutted against the enclosure structure, the sealed air bag is distributed along with the concave-convex of the enclosure structure, and the sealed air bag is used for further improving the sealing performance between the box body and the enclosure structure; and then the inner box and the outer box are heated simultaneously, so that the inner box is prevented from transferring heat through the side wall of the inner box, the heat loss of the inner box is caused, the temperature of the two sides of the enclosure structure is measured in a continuous period, and the measurement of the heat conduction coefficient of the enclosure structure is completed.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the box body is arranged into the inner box and the outer box, the inner box and the outer box are connected by the connecting rods, and the sealing assemblies are arranged between the inner box and the enclosure structure and between the outer box and the enclosure structure, so that a double-sealing structure is formed, the sealing performance between the box body and the enclosure structure is improved, and the purpose of reducing errors when the hot box detects the enclosure structure is achieved;
2. the heat insulation structure is fixedly connected with the outer box, so that the temperature between the inner box and the outer box is ensured, the heat transfer between the inner box and the outside is reduced, and the error of the heat box when the envelope structure is detected is further reduced;
3. through setting up the connecting rod into dwang and dead lever to set up adjusting part between dead lever and dwang, utilize adjusting part to adjust the dead lever and rotate the position between, thereby promote inner box and envelope butt, realize inner box and envelope's preliminary sealing.
Drawings
FIG. 1 is a schematic structural diagram of the present application;
FIG. 2 is a schematic view aimed at showing a double-layer structure of the case;
FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;
FIG. 4 is a schematic view intended to show a connecting rod;
FIG. 5 is a schematic view intended to show an insulation assembly;
fig. 6 is a partially enlarged schematic view of a portion B in fig. 1.
Description of reference numerals: 1. a box body; 11. an inner box; 12. an outer box; 2. a connecting rod; 21. fixing the rod; 22. rotating the rod; 3. an enclosure structure; 4. a seal assembly; 41. a sealing groove; 42. sealing the air bag; 43. a connecting pipe; 5. a heat preservation assembly; 51. heating wires; 52. a control switch; 6. a fixing assembly; 61. a fixing plate; 62. fixing the bolt; 63. fixing a nut; 7. an adjustment assembly; 71. an adjustment groove; 72. a lead screw; 8. the handle is rotated.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses an envelope heat transfer coefficient field detection device. Referring to fig. 1 and 2, the field heat transfer coefficient detection device for the enclosure structure comprises a box body 1 arranged on the side wall of an enclosure structure 3, the box body 1 is abutted against the side wall of the enclosure structure 3, a fixing assembly 6 is arranged between the box body 1 and the enclosure structure 3, a sealing assembly 4 is arranged between the box body 1 and the enclosure structure 3, and a heating device and a temperature monitoring device are arranged in the box body 1. Firstly, the box body 1 and the enclosure structure 3 are fixed by the fixing component 6, then the sealing component 4 is used for sealing a gap between the box body 1 and the enclosure structure 3, then the heating device and the temperature detection device are started, the heat conduction coefficient of the enclosure structure 3 is monitored, and the purpose of reducing errors when the heat box detects the enclosure structure 3 is achieved by improving the sealing performance between the box body 1 and the enclosure structure 3.
Referring to fig. 1 and 2, the box 1 includes inner box 11 and outer container 12, heating device sets up in inner box 11, be provided with four connecting rods 2 between inner box 11 and the outer container 12, four connecting rods 2 all set up the one side of keeping away from outer container 12 at inner box 11, envelope 3's lateral wall fixed connection is kept away from with equal inner box 11 to the one end of every connecting rod 2, the other end all rotates with outer container 12 to be connected, inner box 11 and outer container 12 all set up seal assembly 4 with the lateral wall of envelope 3 butt, outer container 12 fixedly connected with heat preservation subassembly 5, fixed subassembly 6 sets up between outer container 12 and envelope 3. When the box body 1 is fixed, firstly, the outer box 12 is moved, the inner box 11 is driven to approach the enclosure structure 3 through the connecting rod 2, the inner box 11 and the outer box 12 are both abutted to the enclosure structure 3, then the sealing assembly 4 is utilized to seal gaps between the inner box 11 and the outer box 12 and the enclosure structure 3, two sealing lines are formed between the inner box 11 and the outer box 12 and the enclosure structure 3, and the sealing performance between the box body 1 and the enclosure structure 3 is further improved; during detection, the heat insulation assembly 5 is started, so that the temperature between the inner box 11 and the outer box 12 is consistent with the temperature in the inner box 11, and the error of the envelope structure 3 detected by the hot box is further reduced.
Referring to fig. 3, the sealing assembly 4 includes two sealing grooves 41 and two sealing airbags 42, the two sealing grooves 41 are respectively formed in one side, close to the wall, of the inner box 11 and the outer box 12, the two sealing grooves 41 are both arranged in an annular shape, the two sealing airbags 42 are arranged, one sealing airbag 42 is respectively arranged in each sealing groove 41, one side of each sealing airbag 42 is fixedly connected with the bottom wall of the sealing groove 41, when the sealing airbags 42 are inflated, the sealing grooves 41 are filled with the sealing airbags 42, and the other side of each sealing airbag 42 is abutted to the side wall of the envelope structure 3; a connecting pipe 43 is arranged between the two sealed air bags 42 of the inner box 11 and the outer box 12, two ends of the connecting pipe 43 are respectively fixedly connected with the two sealed air bags 42, and the two sealed air bags 42 are both communicated with the connecting pipe 43. When the seal module 4 is used, the air bag 42 of the outer box 12 is inflated first, the air source enters the air bag 42 of the inner box 11 from the air bag 42 of the outer box 12 through the connecting pipe 43, the air bag 42 of the inner box 11 and the air bag 42 of the outer box 12 are inflated simultaneously, the inflated air bag 42 is inflated, and the inflated air bag 42 overflows the sealing groove 41 and fills the gap between the box body 1 and the envelope 3.
Referring to fig. 4, each connecting rod 2 comprises a fixing rod 21 and a rotating rod 22, the fixing rod 21 and the rotating rod 22 are both horizontally arranged, one end of the fixing rod 21 is fixedly connected with the side wall of the inner box 11 far away from the enclosure structure 3, the other end of the fixing rod is close to the outer box 12, one end of the rotating rod 22 is rotatably connected with the outer box 12, and one end of the rotating rod 22 close to the outer box 12 penetrates through the side wall of the outer box 12 to be fixedly connected with a rotating handle 8; one end of the rotating rod 22 far away from the outer box 12 and one end of the fixing rod 21 far away from the inner box 11 are provided with an adjusting assembly 7, the adjusting assembly 7 comprises an adjusting groove 71 and a screw rod 72, the adjusting groove 71 is horizontally arranged at one end of the fixing rod 21 far away from the inner box 11, the screw rod 72 is horizontally arranged between the rotating rod 22 and the fixing rod 21, one end of the screw rod 72 and the end of the rotating rod 22 far away from the outer box 12 are fixedly connected, the other end of the screw rod 72 is located in the adjusting groove 71, and the screw rod 72 is in threaded connection with the side. When promoting inner box 11 and envelope 3 butt, at first rotate four rotatory handles 8 simultaneously, four rotatory handles 8 drive four dwang 22 synchronous rotations, and four dwang 22 drive four lead screws 72 synchronous at adjustment tank 71 internal rotations, and four lead screws 72 promote four dead levers 21 simultaneously and keep away from outer container 12, make inner box 11 and envelope 3's lateral wall butt.
Referring to fig. 5, the heat insulation assembly 5 includes a heating wire 51 and a control switch 52, the heating wire 51 is distributed along the side wall of the outer box 12, the heating wire 51 is fixedly connected with the outer box 12, the control switch 52 is fixedly connected to the side of the outer box 12 far away from the inner box 11, the control switch 52 is connected with the heating wire 51, and the control switch 52 controls the temperature of the heating wire 51. When the heat insulating module 5 is used, the control switch 52 is turned on to adjust the heating temperature of the heating wire 51 according to the temperature monitoring device in the inner box 11, so that the temperature between the inner box 11 and the outer box 12 is kept consistent with the temperature in the inner box 11.
Referring to fig. 6, the fixing assembly 6 includes four fixing plates 61, four fixing bolts 62 and four fixing nuts 63, the four fixing plates 61 are all fixedly connected to the outer box 12, the four fixing bolts 62 are provided, one end of each fixing bolt 62 is fixedly connected to the enclosure 3, and when the box body 1 abuts against the enclosure 3, one end of each fixing bolt 62, which is far away from the enclosure 3, penetrates through the fixing plate 61 and then is in threaded connection with the fixing nut 63. When the fixing assembly 6 is used, firstly, the fixing bolt 62 is moved to be fixedly connected with the enclosure structure 3, then the box body 1 is moved to drive the fixing plate 61 to be abutted against the enclosure structure 3, the fixing bolt 62 penetrates through the fixing plate 61, then the fixing nut 63 is in threaded connection with the fixing bolt 62, the fixing plate 61 is fixed with the enclosure structure 3, and the outer box 12 is fixed with the enclosure structure 3.
The implementation principle of the device for detecting the heat transfer coefficient of the enclosure structure on site in the embodiment of the application is as follows: when the detection device is used for detection, firstly, the position of the fixing bolt 62 is measured and positioned on the enclosure wall, then the box body 1 is moved to drive the fixing plate 61 to be abutted against the side wall of the enclosure structure 3, the fixing bolt 62 penetrates through the fixing plate 61 and then is in threaded connection with the fixing nut 63, the outer box 12 is fixedly connected with the enclosure structure 3, then the rotating handle 8 is rotated to drive the rotating rod 22 to rotate, the rotating rod 22 rotates to drive the screw rod 72 to slide in the adjusting groove 71, the screw rod 72 rotates to enable the fixing rod 21 to be far away from the rotating rod 22, and the fixing rod 21 drives the inner box 11 to be abutted against the; then, the sealed air bag 42 of the outer box 12 of the air source box is utilized to inflate, the air in the air source enters the sealed air bag 42 of the inner box 11 through the connecting pipe 43, the sealed air bags 42 of the inner box 11 and the outer box 12 are inflated simultaneously, the sealed air bags 42 overflow the sealing groove 41 after being inflated and expanded, and the sealed air bags 42 fill the gap between the box body 1 and the enclosure structure 3; then, the heating device and the temperature detection device of the inner box 11 are started simultaneously, then the control switch 52 is opened, the control switch 52 is used for controlling the heating wire 51 to heat the area between the inner box 11 and the outer box 12, so that the temperature of the two sides of the inner box 11 is the same, the heat transfer from the inner box 11 to the outside is reduced, meanwhile, the double sealing formed by the sealing air bag 42 is used, the sealing performance between the box body 1 and the enclosure structure 3 is further improved, and the purpose of reducing the error when the hot box detects the enclosure structure 3 is achieved.
The embodiment of the application also discloses a detection method of the device for the field detection of the heat transfer coefficient of the building envelope.
A detection method of a device for detecting the heat transfer coefficient of a building envelope on site comprises the following steps:
s1, fixing the outer case 12: firstly, measuring the expected detection position, measuring the position of the fixing bolt 62, fixedly connecting the fixing bolt 62 with the enclosure structure 3, then moving the outer box 12 to drive the fixing plate 61 to abut against the wall body, and then fixing the fixing plate 61 with the enclosure structure 3 by using the fixing nut 63.
S2, pushing the inner box 11: the rotating handle 8 is rotated to drive the rotating rod 22 to rotate, the rotating rod 22 drives the screw rod 72 to rotate, the screw rod 72 rotates in the adjusting groove 71, the screw rod 72 drives the fixing rod 21 to be far away from the rotating rod 22, and the fixing rod 21 pushes the inner box 11 to be abutted against the enclosure structure 3.
S3, sealing gaps between the inner box 11 and the outer box 12 and the building envelope 3: the air source is used for inflating the sealed air bag 42 of the outer box 12, the air is conveyed into the sealed air bag 42 of the inner box 11 through the connecting pipe 43, the sealed air bag 42 is expanded and rushes out of the sealing groove 41, and the expanded sealed air bag 42 is used for filling gaps between the inner box 11 and the outer box 12 and the building envelope 3.
S4, inner box 11 and outer box 12 are heated simultaneously: the heating device of the inner box 11 is started, the temperature of the heating device of the inner box 11 is measured according to the detection mechanism, and then the temperature of the heating wire 51 is controlled through the control switch 52, so that the temperature between the inner box 11 and the outer box 12 is ensured to be consistent with the temperature of the inner box 11.
S5, detecting the heat transfer coefficient: and maintaining the temperature of the inner box 11 for a period of time by using a heating device, and then measuring the value of the other side of the enclosure structure 3 to finish the field measurement of the enclosure structure 3.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides an envelope heat transfer coefficient field detection device which characterized in that: the detection device comprises a box body (1) arranged on the side wall of an enclosure structure (3), the box body (1) comprises an inner box (11) and an outer box (12), the outer box (12) is sleeved in the inner box (11), a connecting rod (2) is arranged between the outer box (12) and the inner box (11), two ends of the connecting rod (2) are fixedly connected with the inner box (11) and the outer box (12) respectively, one sides of the inner box (11) and the outer box (12) are abutted to the enclosure structure (3), sealing components (4) used for sealing are arranged between the inner box (11) and the enclosure structure (3) and between the outer box (12) and the enclosure structure (3), a heating device used for improving temperature is arranged in the inner box (11), a heat insulation component (5) used for heat insulation is arranged on the outer box (12), and the outer box (12) is fixedly connected with the enclosure structure (3).
2. An on-site detection device for heat transfer coefficient of a building envelope according to claim 1, characterized in that: the sealing assembly (4) comprises a sealing groove (41) and a sealing air bag (42), wherein the sealing groove (41) is formed in the side wall, close to the wall body, of the inner box (11) and the outer box (12), the sealing air bag (42) is located in the sealing groove (41), one side of the sealing air bag (42) is fixedly connected with the sealing groove (41), and the other side of the sealing air bag (42) is abutted to the enclosure structure (3).
3. An on-site detection device for heat transfer coefficient of a building envelope according to claim 2, characterized in that: a connecting pipe (43) is arranged between the sealed air bags (42) of the inner box (11) and the outer box (12), two ends of the connecting pipe (43) are fixedly connected with the two sealed air bags (42) respectively, and the two sealed air bags (42) are communicated through the connecting pipe (43).
4. An on-site detection device for heat transfer coefficient of a building envelope according to claim 1, characterized in that: the heat preservation assembly (5) comprises a heating wire (51) and a control switch (52), the heating wire (51) is fixedly connected with the outer box (12), the heating wire (51) is connected with the control switch (52), and the control switch (52) is fixedly connected with one side, far away from the inner box (11), of the outer box (12).
5. An on-site detection device for heat transfer coefficient of a building envelope according to claim 1, characterized in that: be provided with between outer container (12) and envelope (3) fixed subassembly (6), fixed subassembly (6) are including fixed plate (61), fixing bolt (62) and fixation nut (63), fixed plate (61) and outer container (12) fixed connection, and the one end and the envelope (3) of fixing bolt (62) are fixed, and the other end passes behind fixed plate (61) and fixation nut (63) threaded connection.
6. An on-site detection device for heat transfer coefficient of a building envelope according to claim 1, characterized in that: connecting rod (2) are provided with two at least, and every connecting rod (2) all include dead lever (21) and dwang (22), the one end and inner box (11) fixed connection of dead lever (21), and the lateral wall of outer container (12) is passed to the one end of dwang (22), is provided with between dwang (22) and dead lever (21) adjusting part (7).
7. An on-site heat transfer coefficient detection device for a building envelope according to claim 6, characterized in that: adjusting part (7) include adjustment tank (71) and lead screw (72), and the one end of keeping away from inner box (11) in dead lever (21) is seted up in adjustment tank (71), the one end and dwang (22) fixed connection of lead screw (72), the lateral wall threaded connection of the other end and adjustment tank (71).
8. An on-site heat transfer coefficient detection device for a building envelope according to claim 6, characterized in that: one end of the rotating rod (22) far away from the fixing rod (21) is fixedly connected with a rotating handle (8).
9. A detection method of a device for detecting the heat transfer coefficient of a building envelope on site is characterized by comprising the following steps:
s1, fixed outer box (12): firstly, measuring a position expected to be detected, measuring the position of a fixing bolt (62), fixedly connecting the fixing bolt (62) with the enclosure structure (3), then moving an outer box (12) to drive the fixing plate (61) to abut against a wall body, and then fixing the fixing plate (61) with the enclosure structure (3) by using a fixing nut (63);
s2, pushing the inner box (11): the rotating handle (8) is rotated to drive the rotating rod (22) to rotate, the rotating rod (22) drives the screw rod (72) to rotate, the screw rod (72) rotates in the adjusting groove (71), the screw rod (72) drives the fixing rod (21) to be far away from the rotating rod (22), and the fixing rod (21) pushes the inner box (11) to be abutted against the enclosure structure (3);
s3, sealing gaps between the inner box (11) and the outer box (12) and the enclosure structure (3): inflating the sealed airbag (42) of the outer box (12) by using an air source, conveying the air into the sealed airbag (42) of the inner box (11) through a connecting pipe (43), inflating the sealed airbag (42) to punch out the sealing groove (41), and filling gaps between the inner box (11) and the outer box (12) and the building envelope (3) by using the inflated sealed airbag (42);
s4, heating the inner box (11) and the outer box (12) simultaneously: starting a heating device of the inner box (11), measuring the temperature of the heating device of the inner box (11) according to the detection mechanism, and controlling the temperature of the heating wire (51) through the control switch (52) to ensure that the temperature between the inner box (11) and the outer box (12) is consistent with the temperature of the inner box (11);
s5, detecting the heat transfer coefficient: and (3) keeping the temperature of the inner box (11) for a period of time by using a heating device, and then measuring the value of the other side of the enclosure structure (3) to finish the field measurement of the enclosure structure (3).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114639225A (en) * | 2022-02-15 | 2022-06-17 | 华能国际电力股份有限公司德州电厂 | Maintenance system suitable for locator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4719997A (en) * | 1984-03-28 | 1988-01-19 | Aisin Seiki Kabushiki Kaisha | Disc brake with parking brake mechanism |
| JPH04197848A (en) * | 1990-11-29 | 1992-07-17 | Toyoda Gosei Co Ltd | Application method of sealant to air bag |
| CN202133634U (en) * | 2011-04-14 | 2012-02-01 | 中山大学 | Detection device used for testing performance of roof heat insulation module and material |
| CN210155059U (en) * | 2019-06-27 | 2020-03-17 | 天津建质建设工程检测试验有限公司 | Insulation can for socket insulation performance testing device for improving sealing effect |
| CN210264822U (en) * | 2019-08-12 | 2020-04-07 | 北京群升北亦门业有限公司 | Tunnel airtight protection door |
| CN111077179A (en) * | 2019-12-13 | 2020-04-28 | 蒋国政 | Environment-friendly material heat-proof quality check out test set |
| CN211627219U (en) * | 2020-01-19 | 2020-10-02 | 河南旭凯建筑工程有限公司 | Wind pressure resistance detection device of building external wall external thermal insulation system |
-
2020
- 2020-11-13 CN CN202011265133.3A patent/CN112362694A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4719997A (en) * | 1984-03-28 | 1988-01-19 | Aisin Seiki Kabushiki Kaisha | Disc brake with parking brake mechanism |
| JPH04197848A (en) * | 1990-11-29 | 1992-07-17 | Toyoda Gosei Co Ltd | Application method of sealant to air bag |
| CN202133634U (en) * | 2011-04-14 | 2012-02-01 | 中山大学 | Detection device used for testing performance of roof heat insulation module and material |
| CN210155059U (en) * | 2019-06-27 | 2020-03-17 | 天津建质建设工程检测试验有限公司 | Insulation can for socket insulation performance testing device for improving sealing effect |
| CN210264822U (en) * | 2019-08-12 | 2020-04-07 | 北京群升北亦门业有限公司 | Tunnel airtight protection door |
| CN111077179A (en) * | 2019-12-13 | 2020-04-28 | 蒋国政 | Environment-friendly material heat-proof quality check out test set |
| CN211627219U (en) * | 2020-01-19 | 2020-10-02 | 河南旭凯建筑工程有限公司 | Wind pressure resistance detection device of building external wall external thermal insulation system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114639225A (en) * | 2022-02-15 | 2022-06-17 | 华能国际电力股份有限公司德州电厂 | Maintenance system suitable for locator |
| CN114639225B (en) * | 2022-02-15 | 2023-11-28 | 华能国际电力股份有限公司德州电厂 | Maintenance system suitable for locator |
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