CN210951904U - Thick film instant heat pipe with two-end temperature measurement - Google Patents
Thick film instant heat pipe with two-end temperature measurement Download PDFInfo
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- CN210951904U CN210951904U CN201921462793.3U CN201921462793U CN210951904U CN 210951904 U CN210951904 U CN 210951904U CN 201921462793 U CN201921462793 U CN 201921462793U CN 210951904 U CN210951904 U CN 210951904U
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- steel pipe
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- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 85
- 238000010438 heat treatment Methods 0.000 claims abstract description 74
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 52
- 239000010935 stainless steel Substances 0.000 claims abstract description 52
- 238000004806 packaging method and process Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The utility model discloses a thick film, namely a heat pipe, with two-end temperature measurement, which comprises a stainless steel pipe with the diameter less than 35mm, wherein an insulating layer is arranged on the stainless steel pipe, and a thick film circuit layer and a packaging layer which integrate a heating circuit and a temperature measurement circuit are arranged on the insulating layer; 2 temperature sensors of the temperature measuring circuit are respectively close to the water inlet end and the water outlet end of the stainless steel pipe. The advantages are that: the structure is scientific and compact, the integration level is high, and the volume is small; the heating circuit and the temperature measuring circuit are integrated on the stainless steel tube by applying a thick film circuit technology, so that the inner tube does not need to be provided with any object for reducing the runoff to achieve the instant heating effect, the instant temperature measurement at two ends of the embedded instant heating tube is realized to control the temperature, the temperature control is realized conveniently by the controller according to the temperature difference between different water inlet temperature and water outlet temperature, the adaptability is strong, and compared with the traditional instant heating tube, the instant heating tube has substantial characteristics and progress, and has the prospect of vigorous popularization.
Description
Technical Field
The utility model relates to an instant heating type heating device especially relates to a thick film is heat pipe with both ends temperature measurement.
Background
Traditional tubulose is the heat pipe mainly comprises insulating tube and the heating wire of winding at the insulating tube, and this kind is the heat pipe generally only has heating function promptly, owing to do not including the temperature measurement function is integrated, when needing to carry out leaving water temperature and detecting, can only be in the tradition be the water outlet department of heat pipe increase external temperature sensing probe, this kind is the following defect that the structure of heat pipe exists promptly: the insulating tube has small heat conduction coefficient, so that the heating and temperature measurement response speed is slow, and the water inlet temperature cannot be detected; the structure is loose and the volume is large because the device is not an integrated body; the multi-section water temperature control in the aspect of the existing drinking water requirement is complex in implementation process and more difficult, so that the production cost is increased.
SUMMERY OF THE UTILITY MODEL
For solving current instant heating pipe and having above-mentioned defect, the utility model provides a with heating member and temperature measurement integrated on instant heating pipe, and have the thick film of both ends temperature measurement instant heating pipe.
In order to achieve the purpose, the utility model adopts the following scheme: a thick film heat pipe with two ends for measuring temperature comprises a stainless steel pipe, wherein the lower end of the stainless steel pipe is a water inlet end, and the upper end of the stainless steel pipe is a water outlet end; the method is characterized in that:
the surface of the stainless steel pipe is provided with an annular heating area with two radial ends not closed, the transverse ends of the annular heating area are adjacent, an axial boundary blank area is formed on the surface of the stainless steel pipe, an insulating layer is coated on the annular heating area, a thick film circuit layer of a thick film circuit is printed on the insulating layer, packaging layers for protecting the thick film circuit are coated on the thick film circuit layer and the blank area of the insulating layer, and the thick film circuit comprises a heating circuit and a temperature measuring circuit;
the heating circuit comprises a heating conductive connecting block and a thick film heating resistor made of a resistor material, the thick film heating resistor is formed by a plurality of circles of open resistance rings which are distributed along the axial direction of an annular heating area, the open resistance rings are printed into a belt-shaped ring structure with an unclosed end to end, and the open resistance rings which are adjacent in the axial direction are sequentially connected end to end; the number of the heating conductive connecting blocks is 2, and the 2 heating conductive connecting blocks are respectively connected in series at the head end and the tail end of the thick film heating resistor;
the temperature measuring circuit is arranged at the edge of the insulating layer close to the axial dividing blank area and is positioned beside the heating circuit; the temperature measuring circuit comprises 3 temperature conductive connecting blocks and 2 temperature sensors made of thermosensitive materials or thermoelectric composite materials; the 2 temperature sensors are separately arranged at the upper end and the lower end of the insulating layer and are respectively close to the water inlet end and the water outlet end of the stainless steel pipe, the water inlet temperature measuring sensor for detecting the water inlet temperature is close to the water inlet end of the stainless steel pipe, and the water outlet temperature measuring sensor for detecting the water temperature is close to the water outlet end of the stainless steel pipe; the negative electrodes of the water inlet temperature sensor and the water outlet temperature sensor are both connected with the same temperature conductive connecting block, and the positive electrodes of the water inlet temperature sensor and the water outlet temperature sensor are both connected with one of the corresponding temperature conductive connecting blocks. The stainless steel pipe is fast in heat conduction, the water inlet temperature measuring sensor and the water outlet temperature measuring sensor are integrated on the stainless steel pipe, the structure is compact, the size is small, the temperature detection of water inlet and outlet is realized, when the temperature sensor is used for related electric appliances such as an instant water heater or a water boiler, the temperature difference of water inlet and outlet is conveniently calculated by the controller, and a control basis is provided for controlling the current of a heating circuit.
As a further explanation of the above scheme, the 2 heating conductive connecting blocks are distributed at the end close to the water inlet up and down along the axial direction of the stainless steel pipe; the 3 temperature conductive connecting blocks are distributed at the middle position of the edge of the insulating layer along the axial direction of the stainless steel pipe at intervals from top to bottom, and the negative electrodes of the water inlet temperature measuring sensor and the water outlet temperature measuring sensor are connected and then connected with the middle temperature conductive connecting block.
As a further explanation of the above scheme, the diameter of the stainless steel pipe is less than 35mm, and the stainless steel pipe is sleeved with a transversely arranged positioning sheet at the water inlet end; the locating plate and the stainless steel tube are welded into a whole, and the locating plate is provided with a grounding wire hole and a grounding terminal.
From the above, compared with the prior art in the field, the present invention has the following advantages: the structure is scientific and compact, the integration level is high, the volume is small, the process is reduced during application, and the production cost is low; the thick film circuit technology is applied to integrate the heating circuit and the temperature measuring circuit on a stainless steel pipe with the diameter of less than 35mm, so that the inner pipe does not need to be provided with any object for reducing the runoff to achieve the instant heating effect, the instant temperature measurement at two ends of the embedded instant heating pipe is realized to control the temperature, a controller is convenient to realize temperature control according to different temperature differences of water inlet temperature and water outlet temperature, the adaptability is strong, and compared with the traditional heating element, the thick film circuit technology has the substantial characteristics and the progress and has the prospect of great popularization.
Drawings
Fig. 1 is a perspective view of the thick film, i.e. the heat pipe, with temperature measurement at two ends of the present invention.
FIG. 2 is a schematic view of a stainless steel tube and an insulating layer.
FIG. 3 is a diagram showing the printed circuit structure of the heating circuit and the temperature measuring circuit on the stainless steel tube.
Fig. 4 is a schematic cross-sectional structure of fig. 1.
The reference numbers illustrate: 1-stainless steel pipe, 11-water inlet end, 12-water outlet end, 2-insulating layer, 3-heating circuit, 31-thick film heating resistor, 32-heating conductive connecting block, 4-temperature measuring circuit, 41-temperature sensor, 42-temperature conductive connecting block, 411-water outlet temperature measuring sensor, 412-water inlet temperature measuring sensor, 5-packaging layer, 6-positioning sheet, 61-grounding wire hole, 62-grounding terminal, 7-thick film circuit layer, 8-annular heating zone and 9-axial boundary blank zone.
Detailed Description
The present invention and its advantageous technical effects are further described in detail below with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1 to 4, the thick film, i.e., the heat pipe, with two ends for measuring temperature comprises a stainless steel pipe 1, wherein the lower end of the stainless steel pipe 1 is a water inlet end 11, and the upper end is a water outlet end 12; the method is characterized in that:
referring to fig. 2 and 4, an annular heating area 8 with two radial ends not closed is arranged on the surface of a stainless steel pipe 1, the transverse ends of the annular heating areas 8 are adjacent to each other, an axial boundary blank area 9 is formed on the surface of the stainless steel pipe 1, an insulating layer 2 coated on the annular heating area 8 is printed on the insulating layer 2, a thick film circuit layer 7 of a thick film circuit is printed on the insulating layer 2, a packaging layer 5 for protecting the thick film circuit is coated on the thick film circuit layer 7 and the blank area of the insulating layer 2, and the thick film circuit comprises a heating circuit 3 and a temperature measuring circuit 4;
referring to fig. 3, the heating circuit 3 includes a heating conductive connection block 32 and a thick film heating resistor 31 made of a resistive material, the thick film heating resistor 31 is formed by wrapping a plurality of open resistor rings axially distributed along the annular heating area 8, the open resistor rings are printed into a strip-shaped ring structure with an unclosed end to end, and axially adjacent open resistor rings are sequentially connected end to end; the number of the heating conductive connecting blocks 32 is 2, and the 2 heating conductive connecting blocks 32 are respectively connected in series at the head end and the tail end of the thick film heating resistor 31;
referring to fig. 3, the temperature measuring circuit 4 is arranged at the edge of the insulating layer 2 close to the axial dividing blank space 9 and beside the heating circuit 3; the temperature measuring circuit 4 comprises 3 temperature conductive connecting blocks 42 and 2 temperature sensors 41 made of thermosensitive materials or thermoelectric composite materials; the 2 temperature sensors 41 are separately arranged at the upper end and the lower end of the insulating layer 2, and are respectively close to the water inlet end 11 and the water outlet end 12 of the stainless steel pipe 1, the water inlet end 11 close to the stainless steel pipe 1 is a water inlet temperature measuring sensor 412 for detecting the water inlet temperature, and the water outlet end 12 close to the stainless steel pipe 1 is a water outlet temperature measuring sensor 411 for detecting the water temperature; the negative electrodes of the water inlet temperature sensor 412 and the water outlet temperature sensor 411 are both connected with the same temperature conductive connecting block 42, and the positive electrodes of the water inlet temperature sensor 412 and the water outlet temperature sensor 411 are both connected with one of the temperature conductive connecting blocks 42 corresponding to the positive electrodes.
Further, the arrangement positions of the water inlet temperature measurement sensor 412 and the water outlet temperature measurement sensor 411 are important in the present application, and the temperature detection of water inlet and outlet is realized without affecting the operation of the heating tube, so that when the temperature detection device is used for related electric appliances such as an instant water heater or a water boiler, the temperature difference is calculated according to different water inlet temperatures, the current passing through the heating circuit 3 is accurately adjusted, and the overall adjustment of the water inlet and outlet temperatures is realized. Because the water inlet temperature sensor 412 and the water outlet temperature sensor 411 are directly integrated on the stainless steel pipe 1, the heat conduction of the stainless steel pipe 1 is fast, the response of the water inlet temperature sensor 412 and the water outlet temperature sensor 411 is fast, and the measured temperature parameters can be reflected more truly.
Referring to fig. 3, in order to facilitate electrical connection, 2 heating conductive connection blocks 32 are distributed at positions close to the water inlet end 11 along the axial direction of the stainless steel pipe 1; the 3 temperature conductive connecting blocks 42 are distributed at the middle position of the edge of the insulating layer 2 along the axial direction of the stainless steel pipe 1 at intervals from top to bottom, and the negative electrodes of the water inlet temperature sensor 412 and the water outlet temperature sensor 411 are connected and then connected with the middle temperature conductive connecting block 42.
As a more preferable embodiment, in addition to the foregoing embodiment, referring to fig. 2 and fig. 3, the diameter of the stainless steel pipe 1 is less than 35mm, and more preferably one of 32 mm, 28 mm, 25 mm and 20 mm, depending on the occasion; the stainless steel pipe 1 is sleeved with a positioning sheet 6 which is transversely arranged at the water inlet end 11; the positioning plate 6 and the stainless steel tube 1 are welded into a whole, and the positioning plate 6 is provided with a grounding wire hole 61 and a grounding terminal 62.
As a supplementary description, the positioning plate 6 may be either open-ended or welded around the stainless steel tube 1, or grounded or welded to the stainless steel tube 1. The surface of the insulating layer 2 is provided with a heating circuit 3 and a temperature measuring circuit 4, the heating circuit 3 and the temperature measuring circuit 4 are mutually independent circuits which are not communicated with each other, namely, strong current and weak current are isolated; the heating circuit 3 is connected with high voltage electricity; the temperature measuring circuit 4 is powered down by an external circuit. Each open resistance loop in the heating circuit 3 may be a series circuit or a parallel circuit. The temperature measuring circuit 4 is typically a parallel circuit. The number of the heating conductive connection blocks 32 and the temperature conductive connection blocks 42, which are conductive lead-out portions, can be increased correspondingly according to the number of test points. It is also possible to add a plurality of temperature sensors 41 to detect the temperature at other locations. The axially delimited blank space 9 can be used to make its own extension, as a reserved space.
The invention is not limited to the embodiments disclosed and described above, but rather, modifications and variations of the invention are possible within the scope of the invention as defined in the claims.
Claims (3)
1. A thick film heat pipe with two ends for measuring temperature comprises a stainless steel pipe (1), wherein the lower end of the stainless steel pipe (1) is a water inlet end (11), and the upper end of the stainless steel pipe is a water outlet end (12); the method is characterized in that:
the surface of the stainless steel pipe (1) is provided with an annular heating area (8) with two radial ends not closed, the transverse ends of the annular heating area (8) are adjacent, an axial boundary blank area (9) is formed on the surface of the stainless steel pipe (1), an insulating layer (2) coated on the annular heating area (8), a thick film circuit layer (7) of a thick film circuit is printed on the insulating layer (2), a packaging layer (5) for protecting the thick film circuit covers on the thick film circuit layer (7) and the blank area of the insulating layer (2), and the thick film circuit comprises a heating circuit (3) and a temperature measuring circuit (4);
the heating circuit (3) comprises a heating conductive connecting block (32) and a thick film heating resistor (31) made of a resistor material, the thick film heating resistor (31) is formed by wrapping a plurality of open resistor rings which are distributed along the axial direction of the annular heating area (8), the open resistor rings are printed into strip-shaped ring structures which are not closed end to end, and the axially adjacent open resistor rings are sequentially connected end to end; the number of the heating conductive connecting blocks (32) is 2, and the 2 heating conductive connecting blocks (32) are respectively connected in series at the head end and the tail end of the thick film heating resistor (31);
the temperature measuring circuit (4) is arranged at the edge of the insulating layer (2) close to the axial dividing blank area (9) and is positioned beside the heating circuit (3); the temperature measuring circuit (4) comprises 3 temperature conductive connecting blocks (42) and 2 temperature sensors (41) made of thermosensitive materials or thermoelectric composite materials; the 2 temperature sensors (41) are separately arranged at the upper end and the lower end of the insulating layer (2) and are respectively close to a water inlet end (11) and a water outlet end (12) of the stainless steel pipe (1), a water inlet temperature measuring sensor (412) for detecting the water inlet temperature is close to the water inlet end (11) of the stainless steel pipe (1), and a water outlet temperature measuring sensor (411) for detecting the water temperature is close to the water outlet end (12) of the stainless steel pipe (1); the negative electrodes of the water inlet temperature sensor (412) and the water outlet temperature sensor (411) are connected with the same temperature conductive connecting block (42), and the positive electrodes of the water inlet temperature sensor (412) and the water outlet temperature sensor (411) are connected with one of the temperature conductive connecting blocks (42) corresponding to the positive electrodes.
2. The thick film heat pipe with two-end temperature measurement as claimed in claim 1, wherein: the 2 heating conductive connecting blocks (32) are axially distributed at the position close to the water inlet end (11) along the stainless steel pipe (1) from top to bottom; the 3 temperature conductive connecting blocks (42) are axially distributed at the middle position of the edge of the insulating layer (2) at intervals from top to bottom along the stainless steel pipe (1), and the negative electrodes of the water inlet temperature measuring sensor (412) and the water outlet temperature measuring sensor (411) are connected and then connected with the middle temperature conductive connecting block (42).
3. A thick film heat pipe with two ends for measuring temperature as claimed in claim 1 or 2, wherein: the diameter of the stainless steel pipe (1) is smaller than 35mm, and a transversely arranged positioning sheet (6) is sleeved at the water inlet end (11) of the stainless steel pipe (1); the positioning sheet (6) and the stainless steel pipe (1) are welded into a whole, and the positioning sheet (6) is provided with a grounding wire hole (61) and a grounding terminal (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921462793.3U CN210951904U (en) | 2019-09-04 | 2019-09-04 | Thick film instant heat pipe with two-end temperature measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921462793.3U CN210951904U (en) | 2019-09-04 | 2019-09-04 | Thick film instant heat pipe with two-end temperature measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210951904U true CN210951904U (en) | 2020-07-07 |
Family
ID=71379819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921462793.3U Expired - Fee Related CN210951904U (en) | 2019-09-04 | 2019-09-04 | Thick film instant heat pipe with two-end temperature measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210951904U (en) |
-
2019
- 2019-09-04 CN CN201921462793.3U patent/CN210951904U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200707 |
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| CF01 | Termination of patent right due to non-payment of annual fee |