CN219120765U - Temperature-control hidden anti-surge liquid heating system - Google Patents

Abstract

The utility model relates to the technical field of liquid heating of energy storage battery systems and coal-to-electricity projects, in particular to a temperature control hidden type anti-surge liquid heating system, which comprises a liquid passing type pipe body, a PTC heating component, a plastic protection cover, a temperature control protection system, a heat preservation layer and screws, wherein two ends of the liquid passing type pipe body are provided with an infusion port, a liquid discharging port and a circular channel communicated with two pipe orifices, two ends of the liquid passing type pipe body are respectively provided with an infusion port chuck structure and a liquid discharging port chuck structure, the infusion port chuck structure and the liquid discharging port chuck structure are matched with an external liquid pipeline in a clamping way, and the plastic protection cover is fixedly connected to the end part of the liquid passing type pipe body through the screws. The liquid through type body and the plastic shield are connected, so that potential safety hazards caused by direct exposure of the fuse and the temperature controller are avoided, the waterproof effect of the liquid through type body is improved, the protection effect of the fuse and the temperature controller is further improved, and the safety of the temperature controller in use is improved.

Description

Temperature-control hidden anti-surge liquid heating system

Technical Field

The utility model relates to the technical field of energy storage battery systems and coal-to-electricity project liquid heating, in particular to a temperature control hidden type anti-surge liquid heating system.

Background

At present, in the field of liquid heating of energy storage battery systems and coal-to-electricity projects, stainless steel heating tube type electric heaters and common metal tube type ceramic PTC electric heaters are adopted. Because the surface load of the stainless steel heating tube type electric heater is high, the dry heating temperature of the electric heater can reach above 600 ℃, and the surface temperature of the tube body is high easily under the condition of failure of temperature control protection, so that potential safety hazards are caused.

The existing common metal tube type ceramic PTC electric heater has poor lightning surge resistance and temperature control protection of the surface of the exposed shell, is unfavorable for water resistance, is easy to damage and has insufficient safety.

Disclosure of Invention

The utility model aims to provide a temperature control hidden type anti-surge liquid heating system so as to solve the problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an anti surge type liquid heating system of control by temperature change hidden, includes liquid through type body, PTC heating element, plastics protection casing, control by temperature change protection system, heat preservation, screw, the both ends of liquid through type body are equipped with infusion port and leakage fluid dram and two orificial circular passageways of intercommunication, the both ends of liquid through type body are provided with infusion port chuck structure and leakage fluid dram chuck structure respectively, infusion port chuck structure and leakage fluid dram chuck structure and external liquid pipeline joint cooperation, plastics protection casing passes through screw fixed connection the tip of liquid through type body.

Optionally, the PTC heating component comprises a PTC power sheet, heat-conducting silica gel, electrode plates and polyimide insulating films, wherein the positive electrode and the negative electrode of the PTC power sheet are bonded with the two electrode plates through the heat-conducting silica gel, and the two to three polyimide insulating films are wrapped outside the electrode plates.

Optionally, the circular channel is internally provided with a plurality of diversion heat dissipation ribs distributed along the circumferential direction, and the section of the diversion heat dissipation ribs is designed into an isosceles trapezoid shape.

Optionally, the liquid passes through type body outside is equipped with four to six along circumference direction distribution's heating storehouse, heating storehouse both sides thin wall sets up to circular arc indent structure, PTC heating element assembles in the heating storehouse, forms V type recess between two adjacent heating warehouses.

Optionally, the plastic protection casing material is PPS or high temperature nylon, the plastic protection casing outside is circular structure, the plastic protection casing distributes along the circumferencial direction and adds the square hole that corresponds with heating storehouse quantity, position.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, through the connection of the liquid passing type pipe body and the plastic protective cover, the potential safety hazard caused by the fact that the fuse and the temperature controller are directly exposed outside is avoided, the waterproof effect of the liquid passing type pipe body is improved, the protection effect of the fuse and the temperature controller is further improved, and the safety of the temperature controller in use is improved; in the use process, a user can lead the temperature controller to be connected with the weak current temperature control protection system through an independent outlet according to the use requirement, and can also be directly connected in series in the strong current temperature control protection system, thereby meeting the use requirements of different customers.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the entire structure of the present utility model;

FIG. 3 is a schematic view of a circular channel according to the present utility model;

FIG. 4 is a schematic diagram of a PTC heating element according to the present utility model;

FIG. 5 is a schematic perspective view of a plastic shield according to the present utility model;

FIG. 6 is a schematic view of a two-dimensional structure of the plastic shield of the present utility model;

FIG. 7 is a schematic view of the structure of the insulating layer of the present utility model;

FIG. 8 is a schematic circuit diagram of an individual outlet of the single-phase electrical temperature control protection system of the present utility model;

FIG. 9 is a schematic circuit diagram of an individual outlet of the three-phase electrical star connection temperature control protection system of the present utility model;

FIG. 10 is a schematic circuit diagram of an individual outlet of the three-phase delta connection temperature control protection system of the present utility model;

FIG. 11 is a schematic diagram of a single-phase electrical temperature control protection system according to the present utility model without separate wire-out;

FIG. 12 is a schematic diagram of a three-phase electrical star connection temperature control protection system according to the present utility model without separate wire-out;

fig. 13 is a schematic circuit diagram of the three-phase delta connection temperature control protection system without separate wire outlet.

In the figure: 1. a liquid passing tube; 11. an infusion port chuck structure; 12. a liquid outlet chuck structure; 13. a heating bin; 14. a V-shaped groove; 15. flow guiding and heat dissipating ribs; 16. a circular channel; 2. a PTC heating component; 3. a plastic protective cover; 31. a mounting hole; 311. a limiting table; 32. a mounting groove; 33. square holes; 34. a connection hole; 4. a heat preservation layer; 41. thermal insulation cotton; 42. a heat shrinkage tube; 5. a temperature control protection system; 51. a temperature controller; 52. a fuse; 6. and (5) a screw.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present utility model are shown.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", etc., azimuth or positional relationship are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description and simplification of operations, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Example 1

Referring to fig. 1 to 10, an embodiment of the present utility model provides a temperature-controlled hidden anti-surge liquid heating system, which includes a liquid passing tube 1, a PTC heating component 2, a plastic protection cover 3, a temperature-controlled protection system 5, a heat insulation layer 4, and screws 6, wherein both ends of the liquid passing tube 1 are provided with a liquid inlet and a liquid outlet, and a circular channel 16 communicating the two nozzles, both ends of the liquid passing tube 1 are respectively provided with a liquid inlet chuck structure 11 and a liquid outlet chuck structure 12, the liquid inlet chuck structure 11 and the liquid outlet chuck structure 12 are in clamping fit with an external liquid pipeline, so that the liquid passing tube 1 is conveniently and rapidly connected with the external liquid pipeline, so as to improve assembly efficiency, the plastic protection cover 3 is fixedly connected to the end of the liquid passing tube 1 through the screws 6, the plastic protection cover 3 avoids potential safety hazards caused by direct exposure of a fuse 52 and a temperature controller 51, and further improves the waterproof effect of the liquid passing tube 1, and the protection effect on the fuse 52 and the temperature controller 51.

Further, referring to fig. 2, the PTC heating assembly 2 includes a PTC power sheet, a thermally conductive silica gel, electrode plates, and a polyimide insulating film, wherein the anode and the cathode of the PTC power sheet are bonded with the two electrode plates through the thermally conductive silica gel, and the two to three polyimide insulating films are wrapped on the outer sides of the electrode plates, so as to ensure sufficient insulation with the liquid passing tube 1, and the PTC heating assembly 2 realizes curing between the PTC power sheet and the electrode plates through energizing or an oven.

Further, referring to fig. 3, a plurality of flow guiding and heat dissipating ribs 15 distributed along the circumferential direction are provided in the circular channel 16, and the cross section of the flow guiding and heat dissipating ribs 15 is designed in an isosceles trapezoid shape, so that the rapid circulation of liquid and heat exchange are facilitated.

Further, referring to fig. 2 to 3, four to six heating chambers 13 distributed along the circumferential direction are arranged on the outer side of the liquid passing type pipe body 1, two side thin walls of the heating chambers 13 are arranged to be of arc concave structures, the PTC heating components 2 are assembled in the heating chambers 13, the PTC heating components 2 can penetrate into the heating chambers 13 to be better centered, the two side thin walls are pressed in the vertical direction, the heating components can be attached easily, the overall heat exchange efficiency of the heater can be improved, a V-shaped groove 14 is formed between two adjacent heating chambers 13, the pipe pressing operation is carried out on each heating chamber 13 independently, and the deformation of the adjacent heating chamber 13 thin walls caused by the pipe pressing operation of the heating chambers 13 is avoided.

Further, referring to fig. 1 to 5, the plastic protection cover 3 is made of PPS or high-temperature nylon, the outer side of the plastic protection cover 3 is in a circular structure, and the plastic protection cover 3 is distributed along the circumferential direction to form square holes 33 corresponding to the number and the positions of the heating chambers 13, so that the connection of wires between six groups of heating assemblies is facilitated, and the problems of difficult maintenance and the like caused by disorder among the wires are avoided.

Further, referring to fig. 1 to 7, the heat insulation layer 4 is made of heat insulation cotton 41 made of flame retardant materials such as polyester fiber or ceramic fiber paper, and has the characteristics of high temperature resistance, difficult combustion, low heat conductivity coefficient and the like, so that heat loss of the heating system is greatly reduced, energy consumption is reduced, the heat insulation cotton 41 is fixed on the liquid passing type pipe body 1 through the heat shrinkage tube 42, the heat shrinkage tube 42 is made of EVA material or crosslinked polyolefin material, external leakage of the heating system can be prevented, and use safety is improved.

Further, the material of the liquid passing type pipe body 1 is 6063 aluminum alloy, and the liquid passing type pipe body 1 is formed by extrusion during production, so that the structure is simple, the mass production is convenient, and the cost is lower.

Further, referring to fig. 8 to 10, the temperature control protection system 5 includes a temperature controller 51 and a fuse 52, wherein one of the temperature controller 51 and the fuse 52 is provided, and the temperature controller 51 is connected to the heater control board in series with the fuse 52;

the temperature control protection system 5 realizes the on-off protection of the whole electric heater circuit through a temperature sensing structure, after being connected in series, a single temperature controller 51 and a single fuse 52 are not connected in an electric heating main circuit, but are independently connected on a heater control board in a wire outgoing mode, the heating action signals of the temperature controller 51 and the fuse 52 are given to the control board, and the control board controls the on-off of the main circuit, so that the temperature control protection system belongs to a weak-current temperature control protection system.

Example 2

Referring to fig. 11 to 13, the difference from embodiment 1 is that: the temperature control protection system 5 comprises a temperature controller 51 and a fuse 52, wherein a plurality of temperature controllers 51 and fuses 52 are arranged, and the temperature controllers 51 and the fuses 52 are respectively connected in series in a main circuit of the electric heater;

the temperature control protection system 5 realizes on-off protection of the whole electric heater circuit through a temperature sensing structure, a plurality of temperature controllers 51 and fuses 52 are respectively connected in series in a main circuit of the electric heater, the temperature controllers 51 and the fuses 52 directly act when heated to reach a protection temperature point, the power supply of the main circuit is cut off, and the protection of the heater is realized.

Further, referring to fig. 5 to 6, the plastic protection cover 3 is further provided with a mounting groove 32 corresponding to three fuses 52, three mounting holes 31 with built-in hidden temperature controllers 51 and three connection holes 34 with sinking screws 6 fixed with the liquid passing type pipe body 1 along the circumferential direction, so that the plastic protection cover 3 is conveniently mounted on the liquid passing type pipe body 1, and the fuses 52 and the temperature controllers 51 are mounted on the plastic protection cover 3 to protect the fuses 52 and the temperature controllers 51, so that potential safety hazards caused by direct exposure of the fuses 52 and the temperature controllers 51 outside are avoided, limiting tables 311 for limiting the positions of the temperature controllers 51 are arranged in the mounting holes 31, all the mounting grooves 32, all the mounting holes 31 and all the connection holes 34 are distributed in a staggered manner along the circumferential direction, and angles between adjacent positions of the screws 6, the temperature controllers 51 and the fuses 52 are effectively separated and fixed, so that the coordination between structures is improved.

In the use process, a user can lead the temperature controller to be connected with the weak current temperature control protection system through an independent outlet according to the use requirement, and can also be directly connected in series in the strong current temperature control protection system, thereby meeting the use requirements of different customers.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (5)

1. A temperature control hidden anti-surge liquid heating system is characterized in that: including liquid through type body (1), PTC heating element (2), plastics protection casing (3), control by temperature change protection system (5), heat preservation (4), screw (6), the both ends of liquid through type body (1) are equipped with infusion port and leakage fluid dram and the circular passageway of two orificials of intercommunication, the both ends of liquid through type body (1) are provided with infusion port chuck structure (11) and leakage fluid dram chuck structure (12) respectively, infusion port chuck structure (11) and leakage fluid dram chuck structure (12) and external liquid pipeline joint cooperation, plastics protection casing (3) are in through screw (6) fixed connection the tip of liquid through type body (1).

2. A temperature-controlled hidden anti-surge liquid heating system as defined in claim 1, wherein: the PTC heating component (2) comprises a PTC power sheet, heat-conducting silica gel, electrode plates and polyimide insulating films, wherein the anode and the cathode of the PTC power sheet are bonded with the two electrode plates through the heat-conducting silica gel, and the two to three polyimide insulating films are wrapped on the outer sides of the electrode plates.

3. A temperature-controlled hidden anti-surge liquid heating system as defined in claim 1, wherein: the circular channel (16) is internally provided with a plurality of diversion heat dissipation ribs (15) distributed along the circumferential direction, and the cross section of each diversion heat dissipation rib (15) is designed into an isosceles trapezoid shape.

4. A temperature-controlled hidden anti-surge liquid heating system as defined in claim 1, wherein: the liquid passing type heating device is characterized in that four to six heating bins (13) distributed along the circumferential direction are arranged on the outer side of the liquid passing type tube body (1), the thin walls on two sides of each heating bin (13) are arranged to be of arc concave structures, the PTC heating component (2) is assembled in each heating bin (13), and a V-shaped groove (14) is formed between two adjacent heating bins (13).

5. A temperature-controlled hidden anti-surge liquid heating system as defined in claim 4, wherein: the plastic protection cover (3) is made of PPS or high-temperature nylon, the outer side of the plastic protection cover (3) is of a circular structure, and square holes (33) are distributed in the circumferential direction and correspond to the heating bins (13) in number and position.

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