CN214172569U - Heat exchanger temperature measurement assembly and heat exchanger - Google Patents
Heat exchanger temperature measurement assembly and heat exchanger Download PDFInfo
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- CN214172569U CN214172569U CN202120148872.8U CN202120148872U CN214172569U CN 214172569 U CN214172569 U CN 214172569U CN 202120148872 U CN202120148872 U CN 202120148872U CN 214172569 U CN214172569 U CN 214172569U
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- heat
- heat exchange
- heat exchanger
- exchange tube
- temperature measurement
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Abstract
The utility model discloses a heat exchanger temperature measurement subassembly and heat exchanger, heat exchanger include heat exchange tube and heat exchanger temperature measurement subassembly, and heat exchanger temperature measurement subassembly includes conducting strip, connection piece and temperature measurement spare, and the conducting strip is connected with the connection piece, and temperature measurement spare is hugged closely in the connection piece, and the conducting strip pastes on heat exchanger's heat exchange tube. The utility model discloses a heat exchanger temperature measurement subassembly and heat exchanger utilizes conducting strip and connection piece connection temperature measurement spare and heat exchange tube to increase the heat transfer area between temperature measurement spare and the heat exchange tube, reduce the thermal resistance between temperature measurement spare and the heat exchange tube, improve the measuring accuracy of temperature measurement spare to the heat exchange tube temperature, prevent that the too high condition that is leaded to the heat exchange tube to damage of heat exchange tube temperature from taking place.
Description
Technical Field
The utility model relates to a heat exchanger temperature measurement subassembly and heat exchanger.
Background
The heat exchanger made of stainless steel has the characteristics of corrosion resistance and scale resistance, and does not influence the water quality flowing through the gas water heater, so the heat exchanger made of stainless steel is more suitable for small-fire operation in a long-term preheating state. Compared with the heat exchanger made of phosphorus deoxidized copper, the stainless steel heat exchanger with the same liter number has lower production cost.
During the use of the heat exchanger, the water temperature in the heat exchanger needs to be monitored in real time to prevent the water temperature in the heat exchanger from being too high. If the measuring method of the heat exchanger made of the phosphorus deoxidized copper is adopted, the temperature relays are arranged on the pipe walls of the bent pipes on the two sides of the copper heat exchanger, and the temperature of the water in the heat exchanger is indirectly measured by measuring the temperature of the pipe walls of the bent pipes. However, the stainless steel material has low thermal conductivity, and the temperature relay is arranged on the stainless steel heat exchanger pipeline, so that the water temperature of the heat exchanger cannot be measured in time.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is that the heat conductivity of stainless steel is relatively poor among the prior art in order to overcome, and temperature measurement spare direct mount provides a heat exchanger temperature measurement subassembly and heat exchanger at the defect of the temperature in the stainless steel heat exchanger of unable in time measuring on heat exchanger.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
the heat exchanger temperature measuring assembly is characterized by comprising a heat exchange tube and a heat conducting sheet, a connecting sheet and a temperature measuring piece, wherein the heat conducting sheet is connected with the connecting sheet, the temperature measuring piece is tightly attached to the connecting sheet, and the heat conducting sheet is attached to the heat exchange tube of the heat exchanger.
In this scheme, through hugging closely the temperature measurement spare in the connection piece, give the connection piece through the conducting strip of pasting on the heat exchange tube with the heat transfer of heat exchange tube, compare with the direct subsides of temperature measurement spare on the heat exchange tube, conducting strip and connection piece have increased the heat transfer area of contact between temperature measurement spare and the heat exchange tube, make the temperature measurement spare can measure the temperature in the heat exchange tube more accurately.
Preferably, the material of the heat conducting sheet and the connecting sheet is copper.
In this scheme, make conducting strip and connection piece through chooseing for use copper, the thermal conductivity of copper is higher, can be fast with the heat transfer of heat exchange tube for the temperature measurement spare.
Preferably, the temperature measuring member is a temperature relay.
In this scheme, adopt temperature relay as temperature measurement spare, when the temperature of heat exchange tube was too high, temperature relay cut off the power supply to heat exchanger, made heat exchanger stop work, prevented that heat exchanger temperature is too high to damage.
Preferably, the edge of the heat conducting fin is provided with a flange.
In this scheme, through set up the turn-ups at the edge of conducting strip, the turn-ups can strengthen the structural strength of conducting strip, makes the conducting strip be difficult to take place bending deformation under the condition of heating.
Preferably, the heat conducting sheet is provided with a first through hole matched with the outer diameter of the heat exchange tube, and the heat exchange tube penetrates through the first through hole.
In this scheme, through seted up first through-hole on the conducting strip, and the heat exchange tube passes first through-hole to increase the area of contact of conducting strip and heat exchange tube, reduce the thermal resistance between conducting strip and the heat exchange tube.
Preferably, the heat conducting sheet is further provided with a first flange, the first flange surrounds the edge of the first through hole, and the first flange is tightly attached to the heat exchange tube.
In the scheme, the first flange is arranged at the edge of the first through hole of the heat conducting fin, so that the heat exchange contact area of the heat conducting fin and the heat exchange tube is increased, the thermal resistance between the heat conducting fin and the heat exchange tube is reduced, and more heat of the heat exchange tube is transmitted to the heat conducting fin.
Preferably, the heat conducting sheet is provided with a hollow area, and the hollow area is located between the plurality of first through holes.
In this scheme, through set up the fretwork region on the conducting strip to reduce the thermal capacity of conducting strip self, make the heat carry to the connection piece more, thereby make the temperature of connection piece can more be close to the heat exchange tube that is surveyed, improve the degree of accuracy of temperature measurement spare temperature measurement.
A heat exchanger comprises a heat exchange tube and is characterized by comprising the heat exchanger temperature measuring assembly, and the heat conducting fins are sleeved on the heat exchange tube.
In this scheme, through with the conducting strip cover on the heat exchange tube to the area of the effective contact between increase conducting strip and the heat exchange tube reduces the thermal resistance between conducting strip and the heat exchange tube, improves the accuracy of temperature measurement spare to the heat exchange tube temperature measurement.
Preferably, the heat exchanger further comprises a plurality of heat exchange fins, the heat exchange fins are tightly attached to the heat exchange tube, and the heat conducting fins are located between the two heat exchange fins.
In this scheme, through setting up the conducting strip between heat transfer fin, make the heat of heat exchange tube can transmit the conducting strip through heat transfer fin to make the heat of heat exchange tube transmit the temperature measurement spare more, reduce the thermal resistance between temperature measurement spare and the heat exchange tube, the temperature of temperature measurement spare more is close to the temperature of heat exchange tube, improves the temperature measurement accuracy that the temperature measurement spare measured the heat exchange tube temperature.
Preferably, the connecting sheet is tightly attached to the heat exchange fin.
In the scheme, the connecting piece is tightly attached to the heat exchange fin, so that the heat of the heat exchange tube can be transmitted to the connecting piece through the heat exchange fin, more heat of the heat exchange tube is transmitted to the temperature measuring piece, the thermal resistance between the temperature measuring piece and the heat exchange tube is reduced, the temperature difference between the temperature measuring piece and the heat exchange tube is reduced, the temperature of the temperature measuring piece is closer to the temperature of the heat exchange tube, and the temperature measuring accuracy of the temperature measuring piece for measuring the temperature of the heat exchange tube is improved.
The utility model discloses an actively advance the effect and lie in:
the utility model discloses a heat exchanger temperature measurement subassembly and heat exchanger utilizes conducting strip and connection piece connection temperature measurement spare and heat exchange tube to increase the heat transfer area between temperature measurement spare and the heat exchange tube, reduce the thermal resistance between temperature measurement spare and the heat exchange tube, improve the measuring accuracy of temperature measurement spare to the heat exchange tube temperature, prevent that the too high condition that leads to the heat exchange tube to damage of heat exchange tube temperature from taking place.
Drawings
Fig. 1 is a schematic structural view of the temperature measurement assembly of the heat exchanger of the present invention.
Fig. 2 is a schematic structural diagram of the heat exchanger of the present invention.
Fig. 3 is an exploded view of the heat exchanger of the present invention.
Description of reference numerals:
temperature measuring component 1 of heat exchanger
Heat-conducting fin 11
Flanging 111
First through hole 112
Connecting piece 12
Pipe cover 23
Pipe back cover 24
Second via 241
Side fixing frame 3
Fourth through hole 31
Side gasket 4
Drip-proof radiating fin 5
Third through hole 51
Detailed Description
The present invention is further illustrated by way of the following examples, which are not intended to limit the scope of the invention.
As shown in fig. 1 and fig. 2, the utility model discloses a heat exchanger temperature measurement component 1, heat exchanger 2 include heat exchange tube 21, and heat exchanger temperature measurement component 1 includes conducting strip 11, connection piece 12 and temperature measurement spare 13, and conducting strip 11 is connected with connection piece 12, and temperature measurement spare 13 hugs closely in connection piece 12, and conducting strip 11 pastes on heat exchange tube 21 of heat exchanger 2.
The heat-conducting fin 11 and the connecting piece 12 are integrally formed. The heat-conducting fins 11 are perpendicular to the connecting fins 12. The measuring surface of the temperature measuring piece 13 is tightly attached to the plane of the connecting piece 12, so that the contact area between the temperature measuring piece 13 and the connecting piece 12 is increased as much as possible, the thermal resistance between the temperature measuring piece 13 and the connecting piece 12 is reduced, and heat can be transferred from the connecting piece 12 to the temperature measuring piece 13 more quickly. The heat conducting fin 11 is tightly attached to the heat exchange tube 21 to increase the contact area between the heat conducting fin 11 and the heat exchange tube 21 and reduce the thermal resistance between the heat conducting fin 11 and the heat exchange tube 21.
The heat conducting sheet 11 and the connecting sheet 12 are made of copper.
The heat conducting sheet 11 and the connecting sheet 12 are integrally formed by a copper sheet. The heat conducting fin 11 and the connecting piece 12 which are integrally formed by copper can reduce the thermal resistance between the heat conducting fin 11 and the connecting piece 12 and improve the heat transfer efficiency.
The temperature measuring member 13 is a temperature relay.
In this embodiment, a temperature relay is selected as the temperature measuring element 13, and the temperature relay is connected in series to the power supply line of the heat exchanger 2. When the temperature relay detects that the temperature in the heat exchange tube 21 is too high, the temperature relay can cut off the heating circuit of the heat exchanger 2 in time, so that the heat exchanger 2 is stopped from heating continuously, and the temperature in the heat exchange tube 21 is prevented from being too high.
The heat conductive sheet 11 is provided at its edge with a flange 111.
The turned-up edge 111 is provided perpendicular to the heat conductive sheet 11, and the turned-up edge 111 is provided at the edge of the heat conductive sheet 11. The burring 111 is formed by integral press molding with the heat conductive sheet 11, and the integral press molding can reduce the manufacturing cost for providing the burring 111 on the heat conductive sheet 11. The turned-up edge 111 is arranged at the edge of the heat conducting fin 11, and the turned-up edge 111 enhances the structural strength of the heat conducting fin 11, so that the heat conducting fin 11 is not easy to bend.
The heat conducting fin 11 is provided with a first through hole 112 matching with the outer diameter of the heat exchange tube 21, and the heat exchange tube 21 passes through the first through hole 112.
The heat exchanger 2 comprises eight mutually parallel heat exchange tubes 21. Eight first through holes 112 respectively matched with the outer diameter of the heat exchange tube 21 are formed in the heat conducting fin 11, and the first through holes 112 are arranged corresponding to the heat exchange tube 21. The eight heat exchange tubes 21 respectively pass through the eight first through holes 112, and the outer diameters of the heat exchange tubes 21 are in interference fit with the inner diameters of the first through holes 112, so that the heat exchange tubes 21 are clamped in the first through holes 112. The eight heat exchange tubes 21 are respectively contacted with the heat conducting fins 11, so that the heat exchange area between the heat conducting fins 11 and the heat exchange tubes 21 is increased.
The heat conducting strip 11 is further provided with a first flange 113, the first flange 113 surrounds the edge of the first through hole 112, and the first flange 113 is tightly attached to the heat exchanging pipe 21.
The first flange 113 is disposed along an edge of the first through-hole 112. The first flange 113 is perpendicular to the heat conductive sheet 11, and the first flange 113 is provided on both sides of the heat conductive sheet 11. The first flange 113 has the same inner diameter as the first through hole 112. When the heat exchange tube 21 is installed perpendicular to the heat conductive sheet 11, the inner wall of the first flange 113 is closely attached to the surface of the heat exchange tube 21. The first flange 113 is attached to the wall of the heat exchange tube 21, so that the contact area between the heat conducting fin 11 and the heat exchange tube 21 is increased, and the thermal resistance between the heat conducting fin 11 and the heat exchange tube 21 is reduced.
The heat conducting sheet 11 is provided with a hollow area, and the hollow area is located between the plurality of first through holes 112.
The areas of the heat-conducting plate 11 between the four first through holes 112 are hollowed out, and there are three hollowed-out areas on one heat-conducting plate 11. The heat conducting fin 11 is partially hollowed, so that the heat capacity of the heat conducting fin 11 is reduced, more heat transmitted to the heat conducting fin 11 from the heat exchanging pipe 21 is transmitted to the connecting piece 12, and the temperature of the connecting piece 12 can be closer to the measured heat exchanging pipe 21. The temperature difference between the heat exchange pipe 21 and the temperature measuring part 13 is reduced, and the temperature measuring accuracy of the temperature measuring part 13 is improved.
As shown in fig. 2 and fig. 3, the utility model also provides a heat exchanger 2, heat exchanger 2 includes heat exchange tube 21, heat exchanger 2 includes as above heat exchanger temperature measurement component 1, and conducting strip 11 overlaps on heat exchange tube 21.
The heat exchanger 2 is provided with eight heat exchange tubes 21 which are parallel to each other, and the heat conducting fins 11 of the temperature measuring component 1 of the heat exchanger are simultaneously sleeved on the eight heat exchange tubes 21. In operation of the heat exchanger 2, a flow of water flows through the heat exchange tubes 21 to heat the water within the heat exchange tubes 21 by heating the heat exchange tubes 21. The heat exchange tube 21 is made of stainless steel, the heat conducting fin 11 is sleeved on the heat exchange tube 21, so that the heat of the heat exchange tube 21 can be transferred to the temperature measuring part 13 through the heat conducting fin 11 and the connecting sheet 12, and compared with the contact area between the temperature measuring part 13 and the heat exchange tube 21, the contact area between the heat conducting fin 11 and the heat exchange tube 21 is larger, so that the heat conducting fin 11 can transfer the heat of the heat exchange tube 21 to the temperature measuring part 13 more efficiently.
The heat exchanger 2 further comprises a plurality of heat exchange fins 22, the heat exchange tubes 21 are tightly attached to the plurality of heat exchange fins 22, and the heat conducting fins 11 are located between the two heat exchange fins 22.
The heat exchange fins 22 are closely fitted around the heat exchange tubes 21. The heat exchange fins 22 are flat plate-shaped metal sheets, and the heat exchange tube 21 is installed to penetrate the heat exchange fins 22. The heat exchange fin 22 can increase the heat receiving area of the heat exchange tube 21 during the operation of the heat exchanger 2. Heat flows from the heat source into the heat exchange tubes 21 through the heat exchange fins 22. Under the condition that the heat exchange fins 22 are arranged, the heating surface of the heat exchange tube 21 is increased, and the heating efficiency of the heat exchange tube 21 is improved.
The connecting piece 12 is tightly attached to the heat exchanging fin 22.
The connecting sheet 12 is tightly attached to the heat exchange fin 22, the heat of the heat exchange fin 22 can directly flow into the connecting sheet 12, the direct temperature difference between the connecting sheet 12 and the heat exchange tube 21 is reduced, and the temperature detection accuracy of the temperature measuring piece 13 is improved.
The heat exchanger 2 further comprises a pipeline sealing cover 23 and a pipeline sealing bottom 24, the pipeline sealing cover 23 and the pipeline sealing bottom 24 are in sealing fit to form a closed space, two second through holes 241 communicated to the closed space are formed in the pipeline sealing bottom 24, and the two second through holes 241 are respectively communicated with the ports of the adjacent heat exchange tubes 21.
The pipeline back cover 24 is a flat structure with surrounding walls around, the pipeline cover 23 and the pipeline back cover 24 are installed in a matching mode to form a closed space, and two second through holes 241 with the same inner diameter are formed in the pipeline back cover 24. The ports of the two heat exchange tubes 21 respectively extend into the second through hole 241, so that the tube cover 23, the tube back cover 24 and the two heat exchange tubes 21 extending into the second through hole 241 form a closed flow passage. Eight heat exchange tubes 21 are arranged in the heat exchanger 2, the eight heat exchange tubes 21 are parallel to each other and divided into two rows, and each row is provided with four heat exchange tubes 21. The ports of the two heat exchange tubes 21 at the end part are respectively connected with a water inlet pipe and a water outlet pipe. The ends of the other heat exchange tubes 21 form a closed flow path in pairs through the mutually matched tube cover 23 and the tube back cover 24, and the water flow entering the heat exchange tubes 21 from the water inlet tube sequentially flows through the eight heat exchange tubes 21 and then flows out of the heat exchanger 2 from the water outlet tube. The eight heat exchange tubes 21, the tube sealing bottom 24 and the tube sealing cover 23 form a closed flow path, so that water flow is gradually heated to a target water temperature for multiple times in the heating zone, and the utilization efficiency of heat in the heating zone is improved.
The heat exchanger 2 further comprises a drip-proof radiating fin 5, a third through hole 51 is formed in the drip-proof radiating fin 5, the heat exchange tube 21 penetrates through the third through hole 51, and the drip-proof radiating fin 5 is tightly attached to the heat exchange tube 21.
Eight third through holes 51 are formed on the anti-dripping radiating fin 5. The inner diameter of the third through hole 51 is matched with the outer diameter of the heat exchange tube 21, and the anti-drip radiating fin 5 is abutted to the heat exchange tube 21 through the third through hole 51.
The drip proof fins 5 are located between the heat exchanging fins 22 and the duct back 24.
The anti-drip cooling fin 5 further comprises a second flange 52, the second flange 52 surrounds the edge of the third through hole 51, and the second flange 52 is tightly attached to the heat exchange tube 21.
The second flange 52 surrounds the edge of the third through hole 51, the inner diameter of the second flange 52 is the same as the inner diameter of the third through hole 51, and the inner diameter of the second flange 52 is clamped on the outer peripheral surface of the heat exchange tube 21. The second flange 52 is located on the side of the drip proof fin 5 adjacent to the duct back 24. The end of the second flange 52 remote from the third through hole 51 abuts the bottom of the duct back 24.
The drip-proof heat sink 5 is made of copper.
The heat exchanger 2 further comprises a side fixing frame 3, wherein a fourth through hole 31 is formed in the side fixing frame 3, the second flange 52 penetrates through the fourth through hole 31, the outer circumferential surface of the second flange 52 abuts against the inner circumferential surface of the fourth through hole 31, and the inner circumferential surface of the second flange 52 abuts against the outer circumferential surface of the heat exchange tube 21.
Eight fourth through holes 31 are formed in the side fixing frame 3, and the positions of the eight fourth through holes 31 are respectively corresponding to the eight heat exchange tubes 21. The inner diameter of the fourth through-hole 31 matches the outer diameter of the second flange 52. The outer surface of the second flange 52 is interference fitted with the inner diameter of the fourth through-hole 31. The outer diameter of the second flange 52 is clamped to the inner diameter of the fourth through-hole 31.
The heat exchanger 2 further comprises a side sealing gasket 4, the side sealing gasket 4 is made of soft materials, the side sealing gasket 4 is arranged around the second flange 52, and the side sealing gasket 4 is compressed between the side fixing frame 3 and the anti-drip cooling fin 5.
The side gasket 4 is enclosed in the second flange 52. In the present embodiment, the side gasket 4 is made of rubber. In other embodiments, the side gasket 4 may also be made of other soft hydrophobic materials. The side sealing gasket 4 is compressed between the side fixing frame 3 and the anti-drip radiating fin 5, and the side sealing gasket 4 has certain deformation capacity, so that the side sealing gasket 4 can deform and fill a gap between the sealing side fixing frame 3 and the anti-drip radiating fin 5, and sealing connection between the sealing side fixing frame 3 and the anti-drip radiating fin 5 is realized.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (10)
1. The utility model provides a heat exchanger temperature measurement subassembly, heat exchanger includes the heat exchange tube, its characterized in that, heat exchanger temperature measurement subassembly includes conducting strip, connection piece and temperature measurement spare, the conducting strip with the connection piece is connected, temperature measurement spare hugs closely in the connection piece, the conducting strip pastes on heat exchanger's heat exchange tube.
2. The heat exchanger temperature measuring assembly of claim 1, wherein the heat conducting fins and the connecting plate are made of copper.
3. The heat exchanger thermometric assembly of claim 1, wherein the temperature measuring element is a temperature relay.
4. The heat exchanger thermometric assembly of claim 1, wherein the thermally conductive sheet has a flange disposed at an edge thereof.
5. The temperature measuring assembly of any one of claims 1 to 4, wherein the heat conducting plate is provided with a first through hole matching with the outer diameter of the heat exchanging pipe, and the heat exchanging pipe passes through the first through hole.
6. The temperature measuring assembly of claim 5, wherein the heat conducting strip further comprises a first flange, the first flange surrounds an edge of the first through hole, and the first flange is tightly attached to the heat exchanging tube.
7. The heat exchanger thermometric assembly of claim 5, wherein the thermally conductive sheet has a hollowed-out region, the hollowed-out region being located between the first plurality of through holes.
8. A heat exchanger comprising heat exchange tubes, wherein the heat exchanger comprises a temperature sensing assembly according to any one of claims 1 to 7, and wherein the heat conductive fins are fitted over the heat exchange tubes.
9. The heat exchanger of claim 8, further comprising a plurality of heat exchange fins, said plurality of heat exchange fins being adjacent to said heat exchange tubes, said heat conducting fins being located between two of said heat exchange fins.
10. The heat exchanger of claim 9, wherein the connecting tabs are proximate to the heat exchanger fins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120148872.8U CN214172569U (en) | 2021-01-19 | 2021-01-19 | Heat exchanger temperature measurement assembly and heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120148872.8U CN214172569U (en) | 2021-01-19 | 2021-01-19 | Heat exchanger temperature measurement assembly and heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214172569U true CN214172569U (en) | 2021-09-10 |
Family
ID=77593635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120148872.8U Active CN214172569U (en) | 2021-01-19 | 2021-01-19 | Heat exchanger temperature measurement assembly and heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214172569U (en) |
-
2021
- 2021-01-19 CN CN202120148872.8U patent/CN214172569U/en active Active
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