CN219735610U

CN219735610U - Heating body structure

Info

Publication number: CN219735610U
Application number: CN202321284668.4U
Authority: CN
Inventors: 王绮漫; 王梓宇; 何平原
Original assignee: Ningbo Waho Technology Co ltd
Current assignee: Ningbo Waho Technology Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-09-22
Anticipated expiration: 2033-05-24

Abstract

The utility model relates to the technical field of heating bodies, and particularly provides a heating body structure which comprises a shell, a heating pipe, an NTC temperature sensor and a baffle plate structure, wherein the shell is arranged outside the heating pipe, two ends of the heating pipe are respectively a water inlet end and a water outlet end, the NTC temperature sensor is arranged at the water outlet end of the heating pipe, and a probe of the NTC temperature sensor is positioned inside the heating pipe; the baffle plate structure is arranged in the heating pipe and is close to the water outlet end; wherein, water gets into the flow chamber inside of heating pipe from the inlet end of heating pipe, then water flows from the flow chamber to detecting chamber, and at this in-process, water is blocked by the baffle body and then enters into detecting chamber again, and the baffle body's setting is favorable to reducing the velocity of flow of the water that gets into detecting chamber, and then makes the hydroenergy of heating pipe synchronous to NTC temperature sensor to this precision that improves NTC temperature sensor and detects the temperature.

Description

Heating body structure

Technical Field

The utility model relates to the technical field of heating bodies, in particular to a heating body structure.

Background

The heating body is generally composed of a heating pipe and a shell, and is generally applied to pipeline machines and water dispensers.

At present, an NTC temperature sensor is further disposed in the heating body for detecting water temperature, the NTC temperature sensor is usually disposed at one end of the housing of the heating body, and the probe of the NTC temperature sensor is located in the housing to detect the temperature of water inside the housing, however, since the water inside the housing is always in a flowing state, the water flow speed is fast, so that only part of water passes through the NTC temperature sensor quickly, and even a part of water flows out of the housing without contacting the NTC temperature sensor, which results in that the water temperature detected by the NTC temperature sensor may be inaccurate, and the water temperature adjustment accuracy is low.

Disclosure of Invention

The utility model aims to solve the problem of inaccurate water temperature detected by an NTC temperature sensor in the existing heating body.

In order to solve the problems, the utility model provides the following technical scheme:

the heating body structure comprises a shell, a heating pipe, an NTC temperature sensor and a baffle plate structure, wherein the shell is arranged outside the heating pipe, two ends of the heating pipe are respectively a water inlet end and a water outlet end, the NTC temperature sensor is arranged at the water outlet end of the heating pipe, and a probe of the NTC temperature sensor is positioned inside the heating pipe;

the baffle structure set up in the inside of heating pipe and be close to the play water end, the baffle structure includes the baffle body, follows the end of intaking extremely go out water end direction, the baffle body will separate in the heating pipe for flow chamber and the detection chamber of mutual intercommunication, NTC temperature sensor's probe is located near go out the water end detect the intracavity.

Compared with the prior art, the heating body structure provided by the utility model has the following beneficial effects:

a detection cavity is formed between the baffle body and the inner wall of the water outlet end, and a flow cavity is formed between the baffle body and the inner wall of the water inlet end; during operation, the NTC temperature sensor is arranged at the water outlet end of the heating pipe, the probe of the NTC temperature sensor is positioned in the detection cavity, water enters the flow cavity of the heating pipe from the water inlet end of the heating pipe, then flows from the flow cavity to the detection cavity, in the process, the water is blocked by the baffle body of the baffle structure and then enters the detection cavity, the flow rate of the water entering the detection cavity is reduced, the water in the detection cavity flows slowly in the detection cavity before flowing out of the heating pipe, the probe of the NTC temperature sensor has enough time to detect the temperature of the water in the detection cavity, and then the water of the heating pipe can be synchronized to the NTC temperature sensor, so that the accuracy of the water temperature detected by the NTC temperature sensor is improved.

Preferably, the baffle body is a circular plate, the baffle body and the heating pipe are coaxially arranged, the diameter of the baffle body is smaller than the inner diameter of the heating pipe, so that an annular communication port is formed between the edge of the baffle body and the inner wall of the heating pipe, and the flow cavity and the detection cavity are communicated through the communication port.

Preferably, the cross-sectional area of the communication port is equal to the cross-sectional area of the water outlet end.

Preferably, the baffle structure further comprises a connecting plate and a fixing plate, wherein the connecting plate is connected between the baffle body and the fixing plate, the fixing plate is used for being fixed inside the heating pipe, and the connecting plate is used for supporting the baffle body.

Preferably, the baffle body and the fixing plate are respectively connected to two ends of the connecting plate and are respectively perpendicular to the connecting plate, and the fixing plate is used for being fixedly arranged on the inner wall of the water outlet end of the heating pipe.

Preferably, the baffle body and the connecting plate are arranged on the same plane, the fixing plate is arranged at one end of the connecting plate away from the baffle body and is perpendicular to the connecting plate, and the fixing plate is used for being fixedly arranged on the circumferential inner wall of the heating pipe.

Preferably, the shell comprises a first shell and a second shell, the first shell and the second shell are connected through bolts and nuts, the first shell and the second shell enclose to form a mounting cavity, and the heating pipe is used for being mounted in the mounting cavity.

Preferably, the housing further comprises a water inlet end cover and a water outlet end cover, wherein the water inlet end cover is arranged at one end of the first housing and the second housing, which is close to the water inlet end, and the water outlet end cover is arranged at one end of the first housing and the second housing, which is close to the water outlet end;

the water inlet end cover and the water outlet end cover are also provided with a water inlet hole and a water outlet hole, the water inlet end of the heating pipe is provided with a water inlet pipe communicated with the heating pipe, and the water inlet pipe extends out of the water inlet hole; the water outlet end is provided with a water outlet pipe communicated with the heating pipe, one end of the water outlet pipe, which is far away from the heating pipe, is the water outlet, and the water outlet pipe extends out of the water outlet hole.

Preferably, the heating body structure further comprises a sealing part, a through hole is arranged on the water outlet end cover, a mounting hole is arranged on the water outlet end of the heating pipe, the mounting hole and the through hole are coaxially arranged, the sealing part is used for being installed at the through hole in a sealing mode and extending towards the mounting hole, the NTC temperature sensor is installed inside the sealing part, and the probe of the NTC temperature sensor penetrates through the sealing part and stretches into the detection cavity.

Preferably, the sealing part is made of silica gel.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a heating body according to an embodiment of the present utility model;

fig. 2 is a schematic cross-sectional view of a heating body according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of an exploded structure of a heating body according to an embodiment of the present utility model.

Reference numerals illustrate:

1-casing, 11-first casing, 12-second casing, 13-water inlet end cover, 14-water outlet end cover, 15-inlet opening, 16-water outlet opening, 17-through hole, 2-heating pipe, 20 flow chamber, 200 detection chamber, 21-water inlet end, 22-water outlet end, 23-inlet tube, 24-outlet pipe, 25-mounting hole, 3-NTC temperature sensor, 30-probe, 4-baffle structure, 41-baffle body, 42-communication port, 43-fixed plate, 44-connecting plate, 5-sealing part.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the coordinate system XYZ provided herein, the positive direction of the X axis represents the right direction, the negative direction of the X axis represents the left direction, the positive direction of the Y axis represents the front direction, the negative direction of the Y axis represents the rear direction, the positive direction of the Z axis represents the upper direction, and the negative direction of the Z axis represents the lower direction; the Z-axis, X-axis, Y-axis are meant to be illustrative only and to simplify the description of the present utility model and are not indicative or implying that the apparatus or elements being referred to must have, be constructed and operated in a particular orientation and therefore are not to be construed as limiting the present utility model.

Referring to fig. 1-3, the heating body structure provided by the utility model comprises a shell 1, a heating pipe 2, an NTC temperature sensor 3 and a baffle structure 4, wherein the shell 1 is installed outside the heating pipe 2, two ends of the heating pipe 2 are respectively provided with a water inlet end 21 and a water outlet end 22, the NTC temperature sensor 3 is installed at the water outlet end 22 of the heating pipe 2, and a probe 30 of the NTC temperature sensor 3 is positioned inside the heating pipe 2.

Referring to fig. 1-2, the baffle structure 4 is disposed inside the heating pipe 2 and near the water outlet end 22, the baffle structure 4 includes a baffle body 41, along the direction from the water inlet end 21 to the water outlet end 22, the baffle body 41 separates the interior of the heating pipe 2 into a flow cavity 20 and a detection cavity 200 that are mutually communicated, and the probe 30 of the NTC temperature sensor 3 is located in the detection cavity 200 near the water outlet end 22.

In this embodiment, the detection chamber 200 is formed between the baffle body 41 and the inner wall of the water outlet end 22, and the flow chamber 20 is formed between the baffle body 41 and the inner wall of the water inlet end 21; in operation, the NTC temperature sensor 3 is mounted at the water outlet 22 of the heating pipe 2, the probe 30 of the NTC temperature sensor 3 is located inside the detection chamber 200, water enters the flow chamber 20 of the heating pipe 2 from the water inlet 21 of the heating pipe 2, then flows from the flow chamber 20 to the detection chamber 200, in the process, the water is blocked by the baffle body 41 of the baffle structure 4 and then enters the detection chamber 200, the baffle body 41 is arranged to facilitate reducing the flow rate of the water entering the detection chamber 200, so that the water in the detection chamber 200 flows slowly in the detection chamber 200 before flowing out of the heating pipe 2, the probe 30 of the NTC temperature sensor 3 has enough time to detect the temperature of the water in the detection chamber 200, and the water of the heating pipe 2 can be synchronized to the NTC temperature sensor 3, so as to improve the accuracy of the detection of the temperature of the water by the NTC temperature sensor 3.

Preferably, the baffle body 41 is a circular plate, the baffle body 41 and the heating pipe 2 are coaxially arranged, the diameter of the baffle body 41 is smaller than the inner diameter of the heating pipe 2, so that an annular communication port 42 is formed between the edge of the baffle body 41 and the inner wall of the heating pipe 2, and the flow cavity 20 and the detection cavity 200 are communicated through the communication port 42.

In this embodiment, the communication port 42 is in an annular structure, so that water inside the heating body can uniformly flow from the periphery of the baffle body 41 toward the inside of the detection cavity 200 under certain conditions, on one hand, the flow rate of water is reduced, and on the other hand, water uniformly flows from the inside of the flow cavity 20 into the detection cavity 200 through the communication port 42 around the baffle body 41, so that the accuracy of the water temperature detected by the NTC temperature sensor 3 is improved.

Preferably, the cross-sectional area of the communication port 42 is equal to the cross-sectional area of the water outlet end 22.

Specifically, the communication port 42 has an annular structure, and the cross-sectional area of the annular structure is equal to the cross-sectional area of the water outlet end 22.

Referring to fig. 2-3, the baffle structure 4 preferably further includes a connection plate 44 and a fixing plate 43, the connection plate 44 is connected between the baffle body 41 and the fixing plate 43, the fixing plate 43 is used for being fixed inside the heating pipe 2, and the connection plate 44 is used for supporting the baffle body 41.

Specifically, the baffle body 41 is disposed parallel to the inner wall of the water outlet 22.

In this embodiment, the fixing plate 43 and the connecting plate 44 are configured to fix the baffle body 41 inside the heating pipe 2, the fixing plate 43 performs a fixing function, and the connecting plate 44 performs a supporting function, so that the detection chamber 200 is formed between the baffle body 41 and the inner wall of the water outlet end 22.

Referring to fig. 2-3, preferably, the baffle body 41 and the fixing plate 43 are respectively connected to two ends of the connecting plate 44 and are respectively perpendicular to the connecting plate 44, and the fixing plate 43 is fixedly disposed on an inner wall of the water outlet end 22 of the heating pipe 2.

Specifically, the fixing plate 43 is parallel to the baffle body 41, and the fixing plate 43 is welded to the inner wall of the water outlet end 22, or adhered to the inner wall of the water outlet end 22 by glue, or fixed to the inner wall of the water outlet end 22 by screws; the length of the connection plate 44 can be set according to practical situations, so that the space size of the detection cavity 200 is determined, and the detection cavity 200 is matched with the heating pipe 2.

In other embodiments, the baffle body 41 and the connecting plate 44 are disposed on the same plane, the fixing plate 43 is disposed at an end of the connecting plate 44 away from the baffle body 41 and perpendicular to the connecting plate 44, and the fixing plate 43 is configured to be fixedly disposed on a circumferential inner wall of the heating tube 2.

Specifically, the length of the connection plate 44 is adapted to the annular width of the annular structure, and the baffle body 41 and the connection plate 44 are mutually matched, so that the size of the communication port 42 is determined, and the communication port 42 is matched with the heating pipe 2.

Referring to fig. 3, preferably, the housing 1 includes a first housing 11 and a second housing 12, the first housing 11 and the second housing 12 are connected by a bolt and a nut, the first housing 11 and the second housing 12 enclose a mounting cavity, and the heating pipe 2 is configured to be mounted in the mounting cavity.

In this embodiment, the first housing 11 and the second housing 12 are disposed to protect the heating tube 2, and the housing 1 wraps the outer wall of the heating tube 2 to have an insulating and heat-insulating effect, so that the heating tube 2 is installed at a suitable position without leakage or even damage, which is beneficial to improving the service life of the heating tube 2.

Referring to fig. 2, the housing 1 preferably further includes a water inlet end cover 13 and a water outlet end cover 14, the water inlet end cover 13 is disposed at one end of the first housing 11 and the second housing 12 near the water inlet end 21, and the water outlet end cover 14 is disposed at one end of the first housing 11 and the second housing 12 near the water outlet end 22; the water inlet end cover 13 and the water outlet end cover 14 are also provided with a water inlet hole 15 and a water outlet hole 16, the water inlet end 21 of the heating pipe 2 is provided with a water inlet pipe 23 communicated with the heating pipe 2, and the water inlet pipe 23 extends out of the water inlet hole 15; the water outlet end 22 is provided with a water outlet pipe 24 communicated with the heating pipe 2, one end of the water outlet pipe 24 away from the heating pipe 2 is the water outlet, and the water outlet pipe 24 extends out of the water outlet hole 16.

In this embodiment, the water outlet end cap 14 and the water inlet end cap 13 are configured to protect the water outlet end 22 and the water inlet end 21 of the heating pipe 2, and protect the water outlet pipe 24 and the water inlet pipe 23, respectively.

Referring to fig. 2, preferably, the heating body structure further includes a sealing portion 5, a through hole 17 is provided on the water outlet end cover 14, a mounting hole 25 is provided on the water outlet end 22 of the heating pipe 2, the mounting hole 25 is coaxially disposed with the through hole 17, the sealing portion 5 is configured to be mounted at the through hole 17 in a sealing manner and extend toward the mounting hole 25, the NTC temperature sensor 3 is mounted inside the sealing portion 5, and the probe 30 of the NTC temperature sensor 3 extends into the detection cavity 200 through the sealing portion 5.

Specifically, a sealing hole is provided in the middle of the sealing part 5, and the NTC temperature sensor 3 is installed in the sealing hole such that the probe 30 of the NTC temperature sensor 3 protrudes into the inside of the detection chamber 200.

In this embodiment, the sealing portion 5 is used to fix the NTC temperature sensor 3 at the mounting hole 25, and the sealing portion 5 has a sealing effect, so that the tightness of the heating tube 2 at the mounting hole 25 can be ensured, and water in the heating tube 2 is prevented from leaking from the mounting hole 25.

Preferably, the sealing portion 5 is made of silicone rubber.

Specifically, the outer diameter of the sealing part 5 is slightly larger than the diameter of the mounting hole 25, so that the sealing part 5 can be fixed at the mounting hole 25 when being mounted in the mounting hole 25, and the diameter of the sealing hole is slightly smaller than the NTC temperature sensor 3, so that the NTC temperature sensor 3 can be fixed in the sealing hole when being mounted in the sealing hole.

In this embodiment, the sealing portion 5 is made of silica gel, which is beneficial to increasing the sealing effect.

Although the utility model is disclosed above, the scope of the utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the scope of the utility model.

Claims

1. The utility model provides a heating body structure, its characterized in that includes casing (1), heating pipe (2), NTC temperature sensor (3) and baffle structure (4), casing (1) install in the outside of heating pipe (2), the both ends of heating pipe (2) are water inlet end (21) and play water end (22) respectively, NTC temperature sensor (3) install in heating pipe (2) play water end (22) department, the probe (30) of NTC temperature sensor (3) are located heating pipe (2) are inside;

the baffle structure (4) set up in the inside of heating pipe (2) and be close to go out water end (22), baffle structure (4) include baffle body (41), follow advance water end (21) to go out water end (22) direction, baffle body (41) will separate into flow chamber (20) and detection chamber (200) that communicate each other in heating pipe (2), probe (30) of NTC temperature sensor (3) are located and are close to go out water end (22) detect in chamber (200).

2. Heating body structure according to claim 1, characterized in that the baffle body (41) is a circular plate, the baffle body (41) and the heating tube (2) are coaxially arranged, the diameter of the baffle body (41) is smaller than the inner diameter of the heating tube (2), so that an annular communication port (42) is formed between the edge of the baffle body (41) and the inner wall of the heating tube (2), and the flow chamber (20) and the detection chamber (200) are communicated through the communication port (42).

3. A heating body structure according to claim 2, wherein the cross-sectional area of the communication port (42) is equal to the cross-sectional area of the water outlet end (22).

4. Heating body structure according to claim 1, characterized in that the baffle structure (4) further comprises a connecting plate (44) and a fixing plate (43), the connecting plate (44) being connected between the baffle body (41) and the fixing plate (43), the fixing plate (43) being intended to be fixed to the interior of the heating tube (2), the connecting plate (44) being intended to support the baffle body (41).

5. The heating body structure according to claim 4, wherein the baffle body (41) and the fixing plate (43) are respectively connected to two ends of the connecting plate (44) and are respectively perpendicular to the connecting plate (44), and the fixing plate (43) is used for being fixedly arranged on the inner wall of the water outlet end (22) of the heating pipe (2).

6. Heating body structure according to claim 4, characterized in that the baffle body (41) and the connection plate (44) are arranged on the same plane, the fixing plate (43) is arranged at one end of the connection plate (44) far away from the baffle body (41) and is perpendicular to the connection plate (44), and the fixing plate (43) is used for being fixedly arranged on the circumferential inner wall of the heating tube (2).

7. A heating body structure according to claim 3, characterized in that the housing (1) comprises a first housing (11) and a second housing (12), the first housing (11) and the second housing (12) are connected with a nut by means of bolts, the first housing (11) and the second housing (12) enclose a combined installation cavity, and the heating tube (2) is arranged inside the installation cavity.

8. The heating body structure according to claim 7, wherein the housing (1) further comprises a water inlet end cap (13) and a water outlet end cap (14), the water inlet end cap (13) being disposed at one end of the first housing (11) and the second housing (12) near the water inlet end (21), the water outlet end cap (14) being disposed at one end of the first housing (11) and the second housing (12) near the water outlet end (22);

the water inlet end cover (13) and the water outlet end cover (14) are also provided with a water inlet hole (15) and a water outlet hole (16), the water inlet end (21) of the heating pipe (2) is provided with a water inlet pipe (23) communicated with the heating pipe (2), and the water inlet pipe (23) extends out of the water inlet hole (15); the water outlet end (22) is provided with a water outlet pipe (24) communicated with the heating pipe (2), one end, far away from the heating pipe (2), of the water outlet pipe (24) is the water outlet, and the water outlet pipe (24) extends out of the water outlet hole (16).

9. Heating body structure according to claim 8, further comprising a sealing part (5), wherein a through hole (17) is provided in the water outlet end cover (14), a mounting hole (25) is provided in the water outlet end (22) of the heating tube (2), the mounting hole (25) is coaxially provided with the through hole (17), the sealing part (5) is used for being mounted at the through hole (17) in a sealing way and extending towards the mounting hole (25), and the probe (30) of the NTC temperature sensor (3) extends into the detection cavity (200) through the sealing part (5).

10. A heating body structure according to claim 9, wherein the sealing portion (5) is of silicone material.