CN210740687U

CN210740687U - High-efficiency heating device capable of preventing coil from overheating

Info

Publication number: CN210740687U
Application number: CN201921076995.4U
Authority: CN
Inventors: 付军伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-06-12
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses a can prevent overheated high-efficient heating device of coil, including outer body and the solenoid of winding on the outer wall of outer body, bottom and top cap are installed respectively to both ends about the outer body, and the internally mounted of outer body has the inlayer body, is provided with cold water inflow channel between outer body and the inlayer body, and the inside of inlayer body is provided with the scale removal device that generates heat, and the scale removal device that generates heat is including the heating tube and set up the descale device at the heating tube inside, and fixed axle sleeve is installed to the wherein one end of descale device. The cold water can only be heated in the heating tube, and the cold water can also absorb and utilize the heat generated by the electromagnetic coil, so that the conversion rate of electric energy can be greatly improved, the temperature on the electromagnetic coil can be reduced, the service life of the electromagnetic coil is prolonged, and scale on the inner wall of the heating tube can be better removed.

Description

High-efficiency heating device capable of preventing coil from overheating

Technical Field

The utility model belongs to the technical field of the firing equipment technique and specifically relates to a can prevent overheated high-efficient heating device of coil.

Background

The household water heaters in the market at present mainly comprise three types, namely a water storage type water heater, an instant heating type water heater and an instant heating type water heater, wherein the water storage type water heater is a water heater with a small-power electric heating tube in a large-volume water tank, the water storage capacity is large, but the time required for heating water in the water heater to a higher temperature is longer, and the water needs to be heated to the required temperature in advance before bathing generally; the instant water heater is a water heater with a high-power electric heating pipe in a small-volume water tank, can realize heating and bathing at the same time, and has short time for heating to a higher temperature; the instant water heater is a water heater between a water storage type water heater and an instant water heater. However, in the three household water heaters, the electric heating tube is inserted into water for heating, however, calcium carbonate and the like in water are attached to the surface of the electric heating tube to form scale due to the high temperature of the electric heating tube when the electric heating tube is electrified for heating, a large amount of scale is attached to the surface of the electric heating tube to influence the heat emission of the electric heating tube, and the electric heating tube is seriously even cracked to cause electric leakage. The potential safety hazard is particularly embodied in the instant water heater, and the instant water heater is in a power-on state when used, so that great necessity exists for product improvement aiming at the potential safety hazard of the instant water heater.

In view of this, chinese utility model patent application No. 201720614323.9 discloses an electromagnetic shower heater in 2018, 04/10.s, which includes a case, a control panel, and an electromagnetic heater and a frequency converter fixed in the case; a water inlet interface and a water outlet interface are arranged on the case; the control panel is electrically connected with the electromagnetic heater through the frequency converter; the electromagnetic heater comprises a hollow heating pipe, a first cover body, a second cover body, a sleeve and a coil surrounding the sleeve, wherein the sleeve is sleeved on the hollow heating pipe and forms a liquid flowing cavity with the outer wall of the hollow heating pipe in a surrounding manner; the first cover body covers one ends of the hollow heating pipe and the sleeve pipe, and the liquid flowing cavity is communicated with the interior of the hollow heating pipe through the first cover body; the second cover body is covered on the other ends of the hollow heating pipe and the sleeve pipe, a water inlet channel and a water outlet channel are formed in the second cover body, and the water inlet channel is communicated with the liquid flowing cavity; the hollow heating pipe is communicated with the water outlet port through the water outlet channel; the outer wall of the hollow heating pipe is provided with a spiral raised line. However, in practical use, the scheme has three problems: (1) cold water flows forwards from the outer side of the hollow heating pipe, then enters the interior of the hollow heating pipe to be heated continuously, namely, the inner side and the outer side of the hollow heating pipe are heated simultaneously, so that the temperature of the water is higher and higher in the forward flowing process, heat is transferred to the electromagnetic coil, the temperature of the electromagnetic coil is sequentially increased from left to right, the service life of the electromagnetic coil is influenced, and safety accidents can occur under special conditions; (2) when high-frequency current is supplied to the electromagnetic coil, a large amount of heat is generated under the action of the current, and the heat in hot water is also conducted to the electromagnetic coil, so that the temperature of the electromagnetic coil is overhigh, and a large amount of heat is wasted; (3) because hot water can enter into the inside of cavity heating pipe and heat, after using for a long time, can produce a large amount of incrustations on the inner wall of cavity heating pipe, because the space is narrower for the incrustations is difficult to the clearance, thereby influences the heating effect.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a simple structure, reasonable in design, rate of heating is fast, the coil is heated the equilibrium, prevent that the heat scatters and disappears and can remove the high-efficient heating device of the inside incrustation scale of heating pipe.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a can prevent overheated high-efficient heating device of coil, including outer body and winding solenoid on the outer wall of outer body, bottom and top cap are installed respectively to both ends about the outer body, the internally mounted of outer body has the inlayer body, outer body with be provided with cold water inflow channel between the inlayer body, the inside of inlayer body is provided with the scale removal device that generates heat, the scale removal device that generates heat is in including the heating tube and setting the inside heating cavity of heating tube, the inside embedding of heating cavity has the scale removal device, fixed axle sleeve is installed to one of them one end of scale removal device.

Preferably, the scale removing device is made of a spiral rod, the diameter of the spiral rod is 5-50mm, and spiral protrusions are arranged on the outer wall of the spiral rod.

Preferably, the scale removing device is made of a rotating rod, the diameter of the rotating rod is 2-10mm, and the outer wall of the rotating rod is provided with spiral fins.

Preferably, the efficient heating device can prevent the coil from overheating, wherein the descaling device is made of a rotating shaft and a plurality of sectional blades arranged on the rotating shaft, and gaps are arranged between the adjacent sectional blades.

Preferably, in the efficient heating apparatus capable of preventing overheating of the coil, one end of the spiral rod is provided with a rotating shaft, and the fixed bushings are respectively mounted on the rotating shaft.

Preferably, foretell can prevent overheated high-efficient heating device of coil, wherein left silica gel seal cover and right silica gel seal cover are installed respectively to the left and right sides of inlayer body, the left and right ends of inlayer body imbed respectively the downthehole outside of left silica gel seal cover, right silica gel seal cover, fixed axle sleeve imbeds wherein one end of heating tube.

Preferably, the efficient heating device for preventing overheating of the coil is described above, wherein a second sealing ring is mounted inside the bottom cover, and the bottom cover is fixed on the heating tube by fastening bolts.

Preferably, foretell can prevent overheated high-efficient heating device of coil, wherein the inside part of top cap is installed first sealing washer, water inlet and delivery port have been seted up respectively on the top cap, install first temperature sensor and second temperature sensor on water inlet and the delivery port respectively.

Preferably, the efficient heating apparatus for preventing overheating of the coil, wherein the bottom cover has a water resistance sensor mounted therein.

The utility model has the advantages and beneficial effects that: (1) by arranging the outer layer tube body and the inner layer tube body, when cold water enters a cold water inflow channel between the outer layer tube body and the inner layer tube body from the water inlet, the cold water directly enters the heating tube to be heated, and the inner layer tube body isolates the cold water from the heating body rod, so that the cold water can only be heated in the heating tube, and the water flowing in the heating tube between the outer layer tube body and the inner layer tube body is always cold water, therefore, heat in hot water is not conducted to the electromagnetic coil, on the contrary, the cold water can absorb and utilize the heat generated by the electromagnetic coil, the conversion rate of electric energy can be greatly improved, the temperature on the electromagnetic coil can be reduced, and the service life of the electromagnetic coil is prolonged; (2) through the inside at the heating tube setting heating cavity, the inside embedding of heating cavity has the incrustation scale device that removes, when cold water enters into in the heating cavity from the fixed axle sleeve that intakes, cold water can flow along hob and rotary rod, thereby drive hob and rotary rod rotate fast, the hob can rub each other with the inner wall of heating cavity at the rotation in-process, and the rotary rod can be got rid of cold water under the effect of centrifugal force and fall the inner wall of heating cavity at the rotation in-process, just so can be better the incrustation scale on the heating tube inner wall of removing.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic longitudinal cross-sectional structure of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a partially disassembled schematic view of the present invention;

fig. 5 is an exploded view of the present invention;

FIG. 6 is a schematic structural view of the middle top cover of the present invention

FIG. 7 is a schematic structural view of a heat-generating descaling device according to the present invention;

FIG. 8 is a schematic structural view of the heat pipe disassembled by the heat-generating descaling device of the present invention;

FIG. 9 is an exploded view of the heat-generating descaling device of the present invention;

fig. 10 is a schematic structural view of the fixing shaft sleeve of the present invention;

FIG. 11 is a schematic structural view of a heat generating tube according to the present invention;

fig. 12 is a schematic structural view of a rotary rod of the present invention;

fig. 13 is a schematic structural view of the rotating shaft and the sectional blade according to the present invention.

In the figure: 1. an outer pipe body; 2. an electromagnetic coil; 3. an inner pipe body; 4. a heat-generating descaling device; 41. a heat generating tube; 42. a helical rod; 43. a spiral protrusion; 44. a rotating shaft; 45. a rotating shaft; 46. fixing the shaft sleeve; 47. a left card slot; 48. a right card slot; 49. a segmented blade; 410. a gap; 411. reinforcing ribs; 412. heating the cavity; 413. rotating the rod; 414. a helical fin; 5. a top cover; 6. a first seal ring; 7. a water resistance sensor; 8. a bottom cover; 9. a second seal ring; 10. fastening a bolt; 11. a water inlet; 12. a water outlet; 13. a cold water inflow channel; 14. a left silica gel sealing sleeve; 15. a right silica gel sealing sleeve; 16. a first temperature sensor; 17. a second temperature sensor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description, together with the accompanying drawings and the embodiments of the present invention, will be made to clearly describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example [ (one) ]

As shown in fig. 1, 2, 3, 4 and 5, a descaling device is arranged in a heating tube, which comprises an outer tube 1 and an electromagnetic coil wound on the outer wall of the outer tube 1, a bottom cover 8 and a top cover 5 are respectively arranged at the left and right ends of the outer tube 1, a second sealing ring 9 is arranged in the bottom cover 8, the bottom cover 8 is fixed on a heating tube 41 through a fastening bolt 10, a first sealing ring 6 is arranged in the top cover 5, the bottom cover 8, the top cover 5 and the outer tube 1 can be hermetically connected through the first sealing ring 6 and the second sealing ring 9, the top cover 5 is respectively provided with a water inlet 11 and a water outlet 12, the water inlet 11 and the water outlet 12 are respectively provided with a first temperature sensor 16 and a second temperature sensor 17, the bottom cover 8 is internally provided with a water resistance sensor 7, and the first temperature sensor 16 and the second temperature sensor 17 can detect the temperature of water, therefore, the temperature of the outlet water is controlled, the first temperature sensor 16 and the second temperature sensor 17 can only detect the temperature of the water and cannot judge that the heating pipe 41 cannot be dried, and the water resistance sensor 7 can detect the resistance of the water, so that the water level in the heating pipe 41 is judged, the drying is prevented, the double insurance is realized, and the safety is higher. The inner pipe body 3 is arranged inside the outer pipe body 1, the cold water inflow channel 13 is arranged between the outer pipe body 1 and the inner pipe body 3, the heating descaling device 4 is arranged inside the inner pipe body 3, and the heating descaling device 4 comprises a heating pipe 41 and a heating cavity 412 arranged inside the heating pipe 41.

By arranging the outer layer pipe body 1 and the inner layer pipe body 3, after cold water enters the cold water inflow channel 13 between the outer layer pipe body 1 and the inner layer pipe body 3 from the water inlet 11, the cold water directly enters the heating pipe 41 to be heated, because the inner layer pipe body 3 isolates the cold water from the heating pipe 41, an air layer is arranged between the heating pipe 41 and the inner layer pipe body 3, because the air thermal conductivity is extremely poor, the heat on the heating pipe 1 cannot be radiated outwards but can be radiated inwards, so that the cold water can only be heated in the heating pipe 41, and the water flowing in between the outer layer pipe body 1 and the inner layer pipe body 3 is always cold water, therefore, the heat in the hot water can not be conducted to the electromagnetic coil 2, but the cold water can also absorb and utilize the heat generated by the electromagnetic coil 2, the conversion rate of electric energy can be greatly improved, and the temperature on the electromagnetic coil 2 can be reduced, the service life of the electromagnetic coil 2 is improved.

As shown in fig. 5, 6, 7, 8, 9, 10 and 11, a scale removing device is embedded in the heating chamber 412, the scale removing device is specifically made of a spiral rod 42, the diameter of the spiral rod 42 is 5-50mm, and a spiral protrusion 43 is arranged on the outer wall of the spiral rod 42. One end of the spiral rod 42 is provided with a rotating shaft 44, and a fixed bushing 46 is mounted on the rotating shaft 44. Left silica gel seal cover 14 and right silica gel seal cover 15 are installed respectively to the left and right sides of inlayer body 3, wherein both ends are embedded respectively in left silica gel seal cover 14 about outer body 1, in the outer hole of right silica gel seal cover 15, left silica gel seal cover 14 and right silica gel seal cover 15 can carry out the sealing connection to inlayer body 3, be provided with left draw-in groove 47 and right draw-in groove 48 on the outer wall at both ends about heating tube 1 respectively in addition, the hole of left silica gel seal cover 14 and right silica gel seal cover 15 joint respectively on left draw-in groove 47 and right draw-in groove 48.

When the cold water heating pipe 41 enters the heating cavity 412, the cold water flows along the spiral rod 42, so that the spiral rod 42 is driven to rotate rapidly, the spiral rod 42 and the inner wall of the heating cavity 412 rub against each other in the rotating process, so that the scale adhered to the inner wall of the heating cavity 412 is ground under the action of the friction force and then washed away under the action of the water flow, and the scale on the inner wall of the heating pipe 41 can be removed well.

Example [ (two ]

As shown in fig. 9 and 12, this embodiment is substantially the same as that in the embodiment, the only difference is that the scale removing device is made of a rotating rod 413, the diameter of the rotating rod 413 is 2-10mm, and the outer wall of the rotating rod 413 is provided with a spiral fin 414. Cold water flows along the rotating rod 413, so that the rotating rod 413 is driven to rotate at a high speed, the rotating rod 413 can throw the cold water down to the inner wall of the heating cavity 412 under the action of centrifugal force in the rotating process, and the water flow can repeatedly wash the inner wall of the heating cavity 412, so that scale on the inner wall of the heating tube 41 can be better removed.

Example [ (three) ]

As shown in FIGS. 9 and 13, this embodiment is substantially the same as that of the embodiment, the only difference being that the scale removing apparatus is made up of a single rotary shaft 5 and a plurality of segmented blades 9 provided on the rotary shaft 5, with gaps 10 provided between the adjacent segmented blades 9. The cold water can flow along rotation axis 5 and sectional type blade 9 to drive sectional type blade 9 and rotate at a high speed, and sectional type blade 9 can be at the rotation in-process and throw the inner wall that falls heating cavity 12 with cold water down under the effect of centrifugal force, and rivers will wash the inner wall of heating cavity 12 repeatedly, just so can be better remove the incrustation scale on the inner wall of heating tube 1.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for convenience of description and simplification of description, but not for indicating or implying that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

It should be noted that the utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece can all be customized according to the record of description and attached drawing, and the concrete connected mode of each part all adopts conventional means such as mature bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt conventional model among the prior art, and the inventor does not detailed herein again.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a can prevent overheated high-efficient heating device of coil, including outer body (1) and winding solenoid (2) on the outer wall of outer body (1), bottom (8) and top cap (5), its characterized in that are installed respectively to both ends about outer body (1): the utility model discloses a heating device, including outer body (1), heating cavity (412), the internally mounted of outer body (1) has inlayer body (3), outer body (1) with be provided with cold water inflow channel (13) between inlayer body (3), the inside of inlayer body (3) is provided with scale removal device (4) that generates heat, scale removal device (4) that generate heat are in including heating tube (41) and setting heating cavity (412) inside heating tube (41), the inside embedding of heating cavity (412) has the scale removal device, fixed axle sleeve (46) are installed to one of them one end of scale removal device.

2. A high efficiency heating apparatus capable of preventing overheating of a coil as set forth in claim 1, wherein: the scale removal device is specifically made of a spiral rod (42), the diameter of the spiral rod (42) is 5-50mm, and spiral protrusions (43) are arranged on the outer wall of the spiral rod (42).

3. A high efficiency heating apparatus capable of preventing overheating of a coil as set forth in claim 1, wherein: the descaling device is specifically made of a rotating rod (413), the diameter of the rotating rod (413) is 2-10mm, and spiral fins (414) are arranged on the outer wall of the rotating rod (413).

4. A high efficiency heating apparatus capable of preventing overheating of a coil as set forth in claim 1, wherein: the descaling device is made of a rotating shaft (45) and a plurality of sectional blades (49) arranged on the rotating shaft (45), and gaps (410) are arranged between adjacent sectional blades (49).

5. A high efficiency heating apparatus capable of preventing overheating of a coil as set forth in claim 2, wherein: one end of the spiral rod (42) is provided with a rotating shaft (44), and the fixed shaft sleeve (46) is installed on the rotating shaft (44).

6. A high efficiency heating apparatus capable of preventing overheating of a coil as set forth in claim 1, wherein: left silica gel seal cover (14) and right silica gel seal cover (15) are installed respectively to the left and right sides of inlayer body (3), both ends are embedded respectively about inlayer body (3) in the outer hole of left silica gel seal cover (14), right silica gel seal cover (15), fixed axle sleeve (46) embedding is in wherein one end of heating tube (41).

7. A high efficiency heating apparatus capable of preventing overheating of a coil as set forth in claim 1, wherein: and a second sealing ring (9) is arranged in the bottom cover (8), and the bottom cover (8) is fixed on the heating tube (41) through a fastening bolt (10).

8. A high efficiency heating apparatus capable of preventing overheating of a coil as set forth in claim 1, wherein: the inside mounting of top cap (5) has first sealing washer (6), water inlet (11) and delivery port (12) have been seted up on top cap (5) respectively, install first temperature sensor (16) and second temperature sensor (17) on water inlet (11) and delivery port (12) respectively.

9. A high efficiency heating apparatus capable of preventing overheating of a coil as set forth in claim 1, wherein: and a water resistance sensor (7) is arranged in the bottom cover (8).