CN217236012U

CN217236012U - Fresh air handling unit is with mechanism that prevents frostbite

Info

Publication number: CN217236012U
Application number: CN202220865925.2U
Authority: CN
Inventors: 余才志
Original assignee: IT Electronics Eleventh Design and Research Institute Scientific and Technological Engineering Corp
Current assignee: IT Electronics Eleventh Design and Research Institute Scientific and Technological Engineering Corp
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-08-19
Anticipated expiration: 2032-04-15

Abstract

The utility model relates to an anti-freezing mechanism for a fresh air handling unit, which comprises a wall body, a unit body and an anti-freezing device, wherein the unit body and the anti-freezing device are arranged by penetrating through the wall body, the anti-freezing device is communicated with the unit body, the anti-freezing device comprises an outer machine, a shell connected with the outer machine and an electromagnetic heating component arranged in the shell, a plurality of air inlets are arranged on the surface of the outer machine, an air inlet pipeline is communicated with the air inlet of the outer machine and extends into the shell, and the air inlet pipeline is connected with the electromagnetic heating component. Has better application and popularization values.

Description

Fresh air handling unit is with mechanism that prevents frostbite

Technical Field

The utility model relates to a new fan technical field especially relates to a new fan unit is with mechanism that prevents frostbite.

Background

Because the atmospheric pollution is more and more serious at present, in order to ensure the health of people, improve the quality of life and eliminate indoor air pollution, the new fan has the function of replacing indoor air compared with an indoor air purifier. The wall-through type fresh air machine is lower in cost compared with a wall-mounted or cabinet type fresh air machine, the whole volume of the indoor fresh air machine is reduced by the hidden mounting structure, and indoor space is efficiently liberated. In winter in severe cold areas and cold areas, the temperature of outdoor air is very low, and a hot water coil pipe in a fresh air handling unit for heating air and a plate heat exchanger for heat recovery frost or frost crack. Therefore, how to improve the anti-freezing mode of the fresh air handling unit has become a technical problem which needs to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome the not enough that exists among the prior art, provide a fresh air handling unit with mechanism that prevents frostbite.

The utility model discloses a realize through following technical scheme:

the utility model provides a fresh air unit is with mechanism that prevents frostbite, its characterized in that includes the wall body, runs through unit body and the freeze-proof device that the wall body set up, freeze-proof device and unit body communicate mutually, and freeze-proof device includes outer machine, the casing that links to each other with outer machine and locates the electromagnetic heating subassembly in the casing, a plurality of inlet ports have been seted up on outer machine surface, the inlet port department intercommunication of outer machine has the admission line, the admission line stretches into to the casing in, and the admission line links to each other with the electromagnetic heating subassembly.

According to the technical scheme, preferably, the surface of the wall body is provided with a first positioning pore passage and a second positioning pore passage, the first positioning pore passage and the second positioning pore passage are communicated and penetrate through the wall body, the unit body is installed in the first positioning pore passage, and the anti-freezing device is installed in the second positioning pore passage.

According to the above technical solution, preferably, the electromagnetic heating assembly includes an electromagnetic heater and an electromagnetic coil connected to the electromagnetic heater, and the electromagnetic coil panel is disposed outside the air intake duct.

According to the above technical scheme, preferably, the electromagnetic heating assembly further comprises a heat insulation layer sleeved outside the air inlet pipeline.

According to the technical scheme, preferably, one end of the shell is inserted into the end part of the unit body.

According to the technical scheme, preferably, a positioning sleeve is fixedly connected outside the wall body, the outer end of the unit body is located in the positioning sleeve, and the side wall of the unit body is connected with the side wall of the positioning sleeve through a fixing bolt.

According to the technical scheme, preferably, a sealing ring groove is formed in the periphery of the outer wall of the unit body, a sealing ring is arranged in the sealing ring groove, and the unit body is tightly connected with the positioning sleeve through the sealing ring.

The utility model has the advantages that:

the utility model is based on the existing fresh air unit, an anti-freezing device is arranged in front of the air inlet of the unit body to preheat air, so that the heat exchanger is prevented from being frozen in winter, and the anti-freezing effect of the fresh air unit is more effective; in addition, can install unit body and freeze-proof device respectively and combine as an organic whole setting, compact structure, whole size and occupation space are little, have better application spreading value.

Drawings

Fig. 1 is a sectional view of the front view structure of the present invention.

In the figure: 1. a seal ring; 2. a unit body; 3. a housing; 4. an outdoor unit; 5. an air intake duct; 6. a heat-insulating layer; 7. an electromagnetic heater; 8. an electromagnetic coil; 9. a second positioning hole; 10. a first positioning hole; 11. a wall body; 12. a positioning sleeve.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments. Based on the embodiments in the utility model, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the utility model.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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 invention.

As shown in the figure, the utility model discloses a wall body 11, run through unit body 2 and the freeze-proof device that wall body 11 set up, freeze-proof device is linked together with unit body 2, and freeze-proof device includes outer machine 4, the casing 3 that links to each other with outer machine 4 and locates the electromagnetic heating subassembly in the casing 3, a plurality of inlet ports have been seted up on outer machine 4 surface, the inlet port department intercommunication of outer machine 4 has inlet duct 5, inlet duct 5 stretches into to casing 3 in, inlet duct 5 links to each other with the electromagnetic heating subassembly. The utility model is based on the existing fresh air unit, an anti-freezing device is arranged in front of the air inlet of the unit body 2 to preheat air, so that the heat exchanger is prevented from being frozen out in winter, and the anti-freezing effect of the fresh air unit is more effective; in addition, can install unit body 2 and freeze-proof device respectively and combine as an organic whole setting, compact structure, whole size and occupation space are little, have better application spreading value.

According to the above embodiment, preferably, the wall 11 has a first positioning hole 10 and a second positioning hole 9 formed in the surface thereof, the first positioning hole 10 is communicated with the second positioning hole 9 and penetrates through the wall 11, the unit body 2 is installed in the first positioning hole 10, and the anti-freezing device is installed in the second positioning hole 9. In the embodiment, two ends of the unit body 2 are opened, because the sectional area of the unit body 2 is larger than that of the anti-freezing device, one end of the shell 3 is inserted into the end part of the unit body 2 to enable the anti-freezing device to be communicated with the unit body 2, the sectional area of the first positioning hole 10 is larger than that of the second positioning hole 9, and the first positioning hole 10 and the second positioning hole 9 are respectively matched with the unit body 2 and the anti-freezing device.

According to the above embodiment, preferably, the electromagnetic heating assembly includes an electromagnetic heater 7, an electromagnetic coil 8 connected to the electromagnetic heater 7, and an insulating layer 6 sleeved outside the air inlet duct 5, and the electromagnetic coil 8 is coiled outside the air inlet duct 5. The electromagnetic heater 7 used in the present embodiment is a device for converting electric energy into heat energy by using an electromagnetic heating principle, an electromagnetic heating controller rectifies alternating current of 220V and 50/60HZ into direct current, and then converts the direct current into high-frequency high-voltage electricity with the frequency of 20-40KHZ, or converts three-phase alternating current of 380V and 50/60HZ into direct current, and then converts the direct current into high-frequency low-voltage high-current electricity with the frequency of 10-30 KHZ, so as to be used for heating industrial products.

Wherein the heating principle of electromagnetic heating subassembly does: when a ferrous container is placed on the iron-containing container, the surface of the container cuts alternating magnetic lines of force to generate alternating current (eddy current) at the metal part at the bottom of the container, the eddy current makes carriers at the bottom of the container move randomly at high speed, and the carriers collide and rub with each other to generate heat energy, so that the effect of heating articles is achieved, namely, the electric energy is converted into magnetic energy to generate induced eddy current on the surface of a heated steel body.

According to the above embodiment, preferably, a positioning sleeve 12 is fixedly connected to the outside of the wall 11, the outer end of the unit body 2 is located in the positioning sleeve 12, and the side wall of the unit body 2 is connected with the side wall of the positioning sleeve 12 through a fixing bolt. The periphery of the outer wall of the unit body 2 is provided with a sealing ring groove, a sealing ring 1 is arranged in the sealing ring groove, and the unit body 2 is tightly connected with the positioning sleeve 12 through the sealing ring 1. In addition, the outer machine 4 of the anti-freezing device is installed on the outer wall in a bolt fixing mode, foaming glue is filled in the connecting position, the sealing performance of the device installation is improved through the foaming glue and the sealing ring 1 in the embodiment, and outdoor rainfall can be effectively prevented from entering a wall hole.

The utility model is based on the existing fresh air unit, an anti-freezing device is arranged in front of the air inlet of the unit body 2 to preheat the air, so that the heat exchanger is prevented from being frozen in winter, and the anti-freezing effect of the fresh air unit is more effective; in addition, can install unit body 2 and freeze-proof device respectively and combine as an organic whole setting, compact structure, whole size and occupation space are little, have better application spreading value.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a fresh air unit is with mechanism that prevents frostbite, its characterized in that includes the wall body, runs through unit body and the freeze-proof device that the wall body set up, freeze-proof device and unit body communicate mutually, and freeze-proof device includes outer machine, the casing that links to each other with outer machine and locates the electromagnetic heating subassembly in the casing, a plurality of inlet ports have been seted up on outer machine surface, the inlet port department intercommunication of outer machine has the admission line, the admission line stretches into to the casing in, and the admission line links to each other with the electromagnetic heating subassembly.

2. The fresh air handling unit anti-freezing mechanism as claimed in claim 1, wherein a first positioning hole and a second positioning hole are formed in a surface of the wall body, the first positioning hole and the second positioning hole are communicated with each other and penetrate through the wall body, the unit body is installed in the first positioning hole, and the anti-freezing device is installed in the second positioning hole.

3. The fresh air handling unit anti-freezing mechanism of claim 2, wherein the electromagnetic heating module comprises an electromagnetic heater and an electromagnetic coil connected to the electromagnetic heater, and the electromagnetic coil is disposed outside the air inlet duct.

4. The fresh air handling unit anti-freezing mechanism as claimed in claim 3, wherein the electromagnetic heating assembly further comprises a heat insulating layer sleeved outside the air inlet pipe.

5. The fresh air handling unit antifreeze mechanism of any of claims 1 to 4, wherein one end of said housing is attached to an end of the unit body.

6. The anti-freezing mechanism of claim 1, wherein a positioning sleeve is fixedly connected to the outside of the wall body, the outer end of the unit body is located in the positioning sleeve, and the side wall of the unit body is connected to the side wall of the positioning sleeve through a fixing bolt.

7. The fresh air handling unit antifreeze mechanism of claim 6, wherein the unit body has a sealing ring groove around the outer wall, the sealing ring groove has a sealing ring therein, and the unit body and the positioning sleeve are tightly connected by the sealing ring.