Fresh air heating module

Abstract

The utility model provides a fresh air heating module, which belongs to the technical field of fresh air heating equipment and comprises a module body, ventilation pipes are arranged on two sides of the outer wall of the module body, the module body comprises a surface layer, a heat insulation plate and a heating plate which are sequentially arranged from outside to inside, a bent groove is arranged on the heating plate, an electric heating wire is embedded in the bent groove, and the electric heating wire is arranged in the bent groove. The fresh air system is heated, the requirement for increasing the air temperature within a larger range is met, a compressor does not need to be replaced, the cost performance is high, replacement is easy, the fresh air system can be installed at a fresh air outlet, the effects of preserving heat, reducing air noise and converting air supply dynamic pressure into static pressure can be achieved, and the fresh air system can also be installed at an air inlet to heat flowing air. And meanwhile, the preheating effect is achieved, the burden of a compressor of the fresh air equipment is relieved, and the service life of the equipment is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to the technical field of fresh air heating equipment, specifically to a fresh air heating module. BACKGROUND

[0002] The fresh air equipment is a kind of air handling equipment that can exchange indoor and outdoor air, and its main function is to realize the circulation of indoor and outdoor air under the condition of closing window, so as to ensure indoor air quality, provide healthy and comfortable living and working environment, and the fresh air equipment is widely used in family, school, hospital, office and other places, especially in the area where haze frequently occurs, and it has important significance for improving indoor air quality.

[0003] In the existing fresh air system, such as conventional single cold source dehumidifier, the inlet and outlet water temperature is 7 / 12 DEG C, the outlet temperature is about 14 DEG C, the inlet and outlet water temperature of double cold source fresh air machine is 19 / 21 DEG C,

[0004] The outlet temperature is about 25 DEG C, if there is special requirement, when sudden drop of low temperature weather occurs, then higher supply air temperature and speed are required, at present, only the compressor of fresh air system can be used to realize, in the process of increasing air temperature, not only the compressor burden of fresh air machine is increased, the service life of equipment is reduced, but also the air noise of supply air dynamic pressure is increased, larger noise can interfere with people's rest and sleep, lead to fatigue, spirit is not shaken, in long time in noise environment, people can feel irritable, anxious, increase psychological stress, if the compressor is replaced to improve the upper limit of air temperature, the cost is higher, and it is not easy to install. UTILITY MODEL CONTENTS

[0005] The utility model technical scheme provides the solution significantly different from prior art for the technical problem that prior art solution is too single, and specifically the utility model mainly provides a fresh air heating module to solve the technical problem that when fresh air equipment is at higher supply air temperature and speed for a long time, the compressor bears greater burden and the service life of equipment is shortened.

[0006] The utility model solves the technical problem by the technical scheme that:

[0007] A fresh air heating module, comprising a module body, ventilation pipes are arranged on both sides of the outer wall of the module body, the module body comprises a surface layer, a thermal insulation board and a heating plate arranged in sequence from the outside to the inside, a curved groove is arranged on the heating plate, and an electric heating wire is embedded in the curved groove.

[0008] Further, a plurality of positioning cards are arranged on the electric heating wire, and the positioning cards are installed on the heating plate by screws.

[0009] Further, the heating plate is a plane plate.

[0010] Further, the heating plate is a porous plate.

[0011] Further, the thickness of the heat preservation plate is 5 cm.

[0012] Further, the thickness of the heating plate is 0.5 mm.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model discloses a heating layer, heat preservation plate, heating plate, electric heating wire, positioning card and ventilation pipe are set up, realize heating to the fresh air system, satisfy the wind temperature under the higher range, need not to replace compressor, and the cost performance is high, and easy change, if heating plate adopts plane plate, can be installed at fresh air export, based on the static pressure that air molecule impact module inner wall generates, static pressure is perpendicular to fluid motion direction, is used to overcome the resistance in fluid transportation, when dynamic pressure reduces, static pressure increases accordingly, thereby realize dynamic pressure to static pressure's conversion, because reduce dynamic pressure, increase static pressure to stabilize airflow, therefore reduce airflow vibration, can play the role of heat preservation, reduce wind noise and the effect of the static pressure of the air supply dynamic pressure, if heating plate adopts porous plate, then installs at the air inlet, is favorable to ventilation, heats the air that passes, improves dehumidification effect, is used to depth dehumidification, plays the preheating effect simultaneously, alleviates fresh air equipment compressor burden, prolongs equipment life, compared, dehumidification capacity is greater than double cold -source fan, and is less than runner dehumidifier, but cost is lower than double cold -source dehumidifier.

[0015] The utility model will be explained in detail below in combination with the drawings and specific embodiments. DRAWINGS

[0016] Figure 1 It is the whole plane schematic diagram of the utility model;

[0017] Figure 2 It is the module cross section schematic diagram of the utility model;

[0018] Figure 3 It is the plane plate schematic diagram of the utility model;

[0019] Figure 4 It is the porous plate schematic diagram of the utility model.

[0020] In the drawing: 1, module body;11, surface layer;12, heat preservation plate;13, heating plate;131, plane plate;132, porous plate;14, curved groove;15, electric heating wire;16, positioning card;2, ventilation pipe. DETAILED DESCRIPTION

[0021] For the convenience of understanding the utility model, the utility model will be described more comprehensively below with reference to relevant drawings, and several embodiments of the utility model are given in the drawings, but the utility model can be realized through different forms and is not limited to the embodiments described in the text, on the contrary, these embodiments are provided to make the disclosed content of the utility model more thorough and comprehensive.

[0022] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be a middle element, and when an element is referred to as being "connected to" another element, it can be directly connected to the other element or there can be a middle element, and the terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs, and the terms used in the specification of the utility model herein are for the purpose of describing specific embodiments and are not intended to limit the utility model, and the term "and / or" used herein includes any and all combinations of one or more related listed items.

[0024] Please refer to the drawings Figures 1-4 A fresh air heating module, comprising a module body 1, both sides of the outer wall of the module body 1 are provided with ventilation pipes 2, the module body 1 comprises a surface layer 11, a heat preservation plate 12 and a heating plate 13 arranged in sequence from outside to inside, the heating plate 13 is provided with a curved groove 14, and the curved groove 14 is embedded with an electric heating wire 15.

[0025] Through the above structure, the fresh air system is heated, the wind temperature is raised in a larger range, the compressor does not need to be replaced, the cost performance is high, it is easy to replace, can be installed at the fresh air outlet, can play the roles of heat preservation, reducing wind noise and converting the dynamic pressure of the supply air into static pressure, can also be installed at the air inlet, the air passing through is heated, the dehumidification effect is improved, is used for deep dehumidification (dehumidification principle: heating air will not increase the humidity of indoor air, but after the temperature of air is raised, the relative humidity is reduced, air can contain more water vapor, the amount of moisture generated by personnel activities in the room can be quickly sent to the dehumidifier for deep dehumidification, so that the dehumidification efficiency can be improved), at the same time, the preheating effect is played, the compressor burden of the fresh air equipment is reduced, the equipment life is prolonged, comparedly, the dehumidification capacity is greater than that of a double-cold-source fan and less than that of a rotary dehumidifier, but the cost is lower than that of a double-cold-source dehumidifier.

[0026] Specific operation as follows, if the heating plate 13 adopts plane plate 131, can be installed in the position of fresh air outlet, air through the heating plate 13 in the module body 1, carry out temperature rising processing, at the same time carry out dynamic pressure to static pressure conversion, reduce airflow vibration, reduce noise, if the heating plate 13 adopts porous plate 132, then installed in the air inlet, benefit ventilation, heat the air passing through, improve the dehumidification effect.

[0027] Please refer to the accompanying drawings Figure 2 and the accompanying drawings Figure 3 , a plurality of positioning card 16 are arranged on the electric heating wire 15, and the positioning card 16 is installed on the heating plate 13 through screws, the positioning of the electric heating wire 15 is realized through the positioning card 16, the heating plate 13 is a plane plate 131, the smooth surface of the plane plate 131 is beneficial to reduce the thickness of the turbulent flow and the boundary layer, so that the velocity profile of the fluid is more uniform, which is beneficial to the conversion of dynamic pressure to static pressure, and the loss of gas flow on the smooth surface is smaller, so the dynamic pressure loss is smaller, which is beneficial to maintain a higher static pressure.

[0028] Please refer to the accompanying drawings Figure 2 and the accompanying drawings Figure 4 , the heating plate 13 is a porous plate 132, the porosity will introduce additional friction and resistance, the speed will be reduced, the dynamic pressure is reduced, at the same time, due to the damping effect of the porous structure, part of the dynamic pressure is converted into heat energy, installed in the air inlet, beneficial to preheating and dehumidification, the thickness of the heat preservation plate 12 is 5cm, the heat preservation plate 12 can be an extruded plate or thermal insulation cotton, both of which can be combined, using single-sided color steel phenolic plate and the like, the thickness of the heating plate 13 is 0.5mm, and the heating plate 13 can be a graphite plate.

[0029] The utility model has been described above in conjunction with the drawings, obviously, the specific implementation of the utility model is not limited by the above mode, as long as this kind of non-essential improvement using the method concept and technical scheme of the utility model, or the direct application of the concept and technical scheme of the utility model in other occasions without improvement, all are within the protection scope of the utility model.

Claims

1. A fresh air heating module, comprising a module body (1), both sides of the outer wall of the module body (1) are provided with ventilation pipes (2), characterized in that, The module body (1) comprises a surface layer (11), a heat preservation plate (12) and a heating plate (13) arranged from outside to inside, the heating plate (13) is provided with a curved groove (14), and the curved groove (14) is embedded with an electric heating wire (15).

2. The fresh air heating module of claim 1, wherein, A plurality of positioning clamps (16) are arranged on the electric heating wire (15), and the positioning clamps (16) are installed on the heating plate (13) through screws.

3. The fresh air heating module of claim 2, wherein, The heating plate (13) is a plane plate (131).

4. The fresh air heating module of claim 2, wherein, The heating plate (13) is a porous plate (132).

5. The fresh air heating module of claim 1, wherein, The thickness of the heat preservation plate (12) is 5 cm.

6. The fresh air heating module of claim 1, wherein, The thickness of the heating plate (13) is 0.5 mm.

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