Anti-freezing device for heat exchanger of air conditioning unit

Abstract

The utility model relates to the technical field of heat exchangers, in particular to an anti-freezing device for a heat exchanger of an air conditioning unit, which comprises a mounting plate, an anti-freezing component and a mounting component are respectively arranged at the top of the mounting plate, and the anti-freezing component is positioned on the side surface of the mounting component. Meanwhile, the heating plate is electrically connected with the fan, so that when the temperature of the heat exchanger is reduced, the heating plate can be heated, meanwhile, the fan is started to blow air to the heating plate, the heat exchanger is heated by the temperature of the heating plate, the situation that internal facilities are frozen due to the fact that the temperature of the heat exchanger is reduced is avoided, and safety and practicability are improved; due to the fact that the heat exchanger is installed in the protective shell, meanwhile, the protective shell is connected with the installation plate in a clamped mode, the heat exchanger can be conveniently installed and disassembled, the working efficiency is improved, the fixed insertion plate is inserted into the installation plate and extends into the protective shell, and the stability of the heat exchanger during working is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, in particular to an antifreeze device for a heat exchanger of an air-conditioning unit. Background Art

[0002] A heat exchanger is a device that transfers part of the heat of a hot fluid to a cold fluid. It is also called a heat exchanger. Heat exchangers play an important role in chemical, petroleum, power, food and many other industrial production. In chemical production, heat exchangers can be used as heaters, coolers, condensers, evaporators and reboilers, etc., and are widely used.

[0003] Existing technologies, such as CN218210907U, a low-temperature antifreeze plate heat exchanger and air-conditioning device. Compared with the existing technologies, the low-temperature antifreeze plate heat exchanger provided by the utility model can effectively prevent water from freezing in the water circulation path, thereby avoiding damage to the plate heat exchanger due to water freezing, and can effectively extend the service life of the plate heat exchanger.

[0004] However, the device still has certain shortcomings when in use. When the device heats the heat exchanger, the heater is located inside the internal refrigerant plate of the heat exchanger, which is prone to safety hazards. At the same time, the modified device cannot understand the internal temperature and cannot heat up according to the temperature of the heat exchanger, thereby reducing its practicality. The device is also not easy to install and has low protection, which reduces work efficiency. Utility Model Content

[0005] The purpose of the present utility model is to provide an antifreeze device for a heat exchanger of an air-conditioning unit, so as to solve the problem proposed in the above background technology that when the device heats the heat exchanger, the heater is located in the internal refrigerant plate of the heat exchanger, which is prone to safety hazards. At the same time, the device cannot understand the internal temperature and cannot heat up according to the temperature of the heat exchanger, thereby reducing practicality. The device is also not easy to install, has low protection, and reduces work efficiency.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] An antifreeze device for a heat exchanger of an air-conditioning unit comprises a mounting plate, an antifreeze component and a mounting component are respectively provided on the top of the mounting plate, and the antifreeze component is located on the side of the mounting component;

[0008] The antifreeze assembly includes a connecting plate on the top of the mounting plate, the connecting plate is fixedly connected to the mounting plate, a guide hole is opened on the side of the connecting plate, a heating plate is fixedly connected in the guide hole, a rectangular plate is provided on the side of the connecting plate, a mounting hole is opened on the side of the rectangular plate, a fan is installed in the mounting hole, the fan is opposite to the heating plate, a fixing plate is fixedly connected to the side of the rectangular plate, a first fixing bolt is provided on the side of the fixing plate, the first fixing bolt passes through the fixing plate and extends into the connecting plate, and the first fixing bolt is threadedly connected to the fixing plate;

[0009] The mounting assembly includes a protective shell on the top of the mounting plate, a heat exchanger body is installed in the protective shell, the heating plate is opposite to the heat exchanger body, a groove is provided on the inner wall of the protective shell, a temperature sensor is fixedly connected in the groove, a mounting slot is provided on the top of the mounting plate, and the bottom of the protective shell extends into the mounting slot and is engaged with the mounting slot.

[0010] As a preferred solution of the present invention, a second fixing bolt is provided on the top of the mounting plate, the second fixing bolt passes through the mounting plate and extends to the bottom of the mounting plate, and the second fixing bolt is threadedly connected to the mounting plate.

[0011] As a preferred solution of the present invention, a fixed plug-in plate is provided on the side of the mounting plate, the fixed plug-in plate passes through the mounting plate and extends into the protective shell, and the fixed plug-in plate is plugged into the mounting plate.

[0012] As a preferred solution of the present invention, the temperature sensor is electrically connected to the heating plate, and the heating plate is electrically connected to the fan.

[0013] As a preferred solution of the present invention, a protective cover is fixedly connected to the top of the protective shell, and the protective cover is located on the top of the heat exchanger body.

[0014] As a preferred solution of the present invention, four second fixing bolts are provided, and the four second fixing bolts are respectively located at the top corners of the mounting plate.

[0015] As a preferred solution of the present invention, the material of the mounting plate is stainless steel, and the material of the connecting plate is alloy.

[0016] As a preferred solution of the present invention, two fixed plug plates are provided, and the two fixed plug plates are positioned opposite to each other.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. In the present invention, an antifreeze component is provided. Since the temperature sensor is electrically connected to the heating plate, and the heating plate is electrically connected to the fan, when the temperature of the heat exchanger drops, the heating plate can be heated, and the fan is started to blow air towards the heating plate. The temperature of the heating plate heats up the heat exchanger, thereby preventing the internal facilities from freezing due to the drop in heat exchanger temperature, thereby improving safety and practicality.

[0019] 2. In the present invention, by providing an installation assembly, since the heat exchanger is installed in the protective shell, and the protective shell is snap-connected with the mounting plate, it is convenient to install and disassemble the heat exchanger, thereby improving work efficiency. The fixed plug-in plate is plugged into the mounting plate and extended into the protective shell, thereby improving the stability of the heat exchanger during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the exploded structure of the antifreeze component of the present utility model;

[0022] Figure 3 This is a schematic diagram of the side structure of a rectangular plate of the present invention;

[0023] Figure 4 This is a schematic diagram of the installation component structure of the utility model.

[0024] In the figure: 1. Mounting plate; 2. Antifreeze assembly; 201. Connecting plate; 202. Fan; 203. Rectangular plate; 204. Mounting hole; 205. Fixing plate; 206. First fixing bolt; 207. Heating plate; 208. Guide hole; 3. Mounting assembly; 301. Protective shell; 302. Groove; 303. Temperature sensor; 304. Mounting slot; 305. Fixing plate; 4. Protective cover; 5. Second fixing bolt; 6. Heat exchanger body. DETAILED DESCRIPTION

[0025] The following will combine the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0026] For examples, see Figures 1-4 , the utility model provides a technical solution:

[0027] An antifreeze device for a heat exchanger of an air-conditioning unit comprises a mounting plate 1 , an antifreeze component 2 and a mounting component 3 are respectively arranged on the top of the mounting plate 1 , and the antifreeze component 2 is located on the side of the mounting component 3 .

[0028] In this embodiment, according to Figure 1 、 Figure 2 and Figure 3 As shown, the antifreeze component 2 includes a connecting plate 201 on the top of the mounting plate 1, the connecting plate 201 is fixedly connected to the mounting plate 1, a guide hole 208 is opened on the side of the connecting plate 201, a heating plate 207 is fixedly connected in the guide hole 208, a rectangular plate 203 is provided on the side of the connecting plate 201, a mounting hole 204 is opened on the side of the rectangular plate 203, a fan 202 is installed in the mounting hole 204, the fan 202 is opposite to the heating plate 207, a fixing plate 205 is fixedly connected to the side of the rectangular plate 203, a first fixing bolt 206 is provided on the side of the fixing plate 205, the first fixing bolt 206 passes through the fixing plate 205 and extends into the connecting plate 201, the first fixing bolt 206 is threadedly connected to the fixing plate 205, the temperature sensor 303 is electrically connected to the heating plate 207, the heating plate 207 is electrically connected to the fan 202, the mounting plate 1 is made of stainless steel, and the connecting plate 201 is made of alloy.

[0029] Among them, since the temperature sensor 303 is electrically connected to the heating plate 207, and the heating plate 207 is electrically connected to the fan 202, when the temperature of the heat exchanger body 6 decreases, the heating plate 207 can be heated, and the fan 202 is started to blow air towards the heating plate 207.

[0030] In this embodiment, according to Figure 1 and Figure 4 As shown, the mounting assembly 3 includes a protective shell 301 on the top of the mounting plate 1, a heat exchanger body 6 is installed in the protective shell 301, the heating plate 207 is opposite to the heat exchanger body 6, a groove 302 is provided on the inner wall of the protective shell 301, a temperature sensor 303 is fixedly connected in the groove 302, a mounting slot 304 is provided on the top of the mounting plate 1, the bottom of the protective shell 301 extends into the mounting slot 304 and is engaged with the mounting slot 304, a second fixing bolt 5 is provided on the top of the mounting plate 1, the second fixing bolt 5 passes through the mounting plate 1 and extends To the bottom of the mounting plate 1, the second fixing bolt 5 is threadedly connected to the mounting plate 1, and a fixing plug-in plate 305 is provided on the side of the mounting plate 1. The fixing plug-in plate 305 passes through the mounting plate 1 and extends into the protective shell 301. The fixing plug-in plate 305 is plugged into the mounting plate 1. The top of the protective shell 301 is fixedly connected with a protective cover 4, and the protective cover 4 is located on the top of the heat exchanger body 6. Four second fixing bolts 5 are provided, and the four second fixing bolts 5 are respectively located at the top corners of the mounting plate 1. Two fixing plug-ins 305 are provided, and the two fixing plug-ins 305 are positioned opposite to each other.

[0031] The heat exchanger body 6 is installed in the protective shell 301 , and the protective shell 301 is snap-fitted to the mounting plate 1 , thereby facilitating installation and removal of the heat exchanger body 6 and improving work efficiency.

[0032] The working process of the utility model: When the antifreeze device of the heat exchanger of the air-conditioning unit designed by this scheme is in operation, first check whether the device is in normal use, install the device in a suitable working area through the second fixing bolt 5, install the heat exchanger body 6 in the protective shell 301, then clamp the protective shell 301 in the installation slot 304, and then insert the fixing plug plate 305 into the installation plate 1, and stably support the protective shell 301 again. A temperature sensor 303 is set in the protective shell 301. Since the temperature sensor 303 is electrically connected to the heating plate 207, and the heating plate 207 is electrically connected to the fan 202, the heat exchanger is When the temperature of the main body 6 drops, the heating plate 207 can be heated, and the fan 202 can be started to blow air towards the heating plate 207, so that the temperature of the heating plate 207 can heat the heat exchanger main body 6, thereby preventing the temperature of the heat exchanger main body 6 from dropping and even freezing the internal facilities, thereby improving safety and practicality. Since the heat exchanger main body 6 is installed in the protective shell 301, and the protective shell 301 is clamped with the mounting plate 1, it is convenient to install and disassemble the heat exchanger main body 6, thereby improving work efficiency. The fixed plug plate 305 is plugged into the mounting plate 1 and extended into the protective shell 301, thereby improving the stability of the heat exchanger main body 6 during operation.

[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An antifreeze device for a heat exchanger of an air-conditioning unit, comprising a mounting plate (1), characterized in that: An antifreeze component (2) and a mounting component (3) are respectively provided on the top of the mounting plate (1), and the antifreeze component (2) is located on the side of the mounting component (3); The antifreeze assembly (2) comprises a connecting plate (201) on the top of the mounting plate (1), the connecting plate (201) is fixedly connected to the mounting plate (1), a guide hole (208) is provided on the side of the connecting plate (201), a heating plate (207) is fixedly connected in the guide hole (208), a rectangular plate (203) is provided on the side of the connecting plate (201), a mounting hole (204) is provided on the side of the rectangular plate (203), a fan (202) is installed in the mounting hole (204), the fan (202) and the heating plate (207) are positioned opposite each other, a fixing plate (205) is fixedly connected to the side of the rectangular plate (203), a first fixing bolt (206) is provided on the side of the fixing plate (205), the first fixing bolt (206) passes through the fixing plate (205) and extends into the connecting plate (201), and the first fixing bolt (206) is threadedly connected to the fixing plate (205); The mounting assembly (3) comprises a protective shell (301) on the top of the mounting plate (1), a heat exchanger body (6) is mounted in the protective shell (301), the heating plate (207) is positioned opposite to the heat exchanger body (6), a groove (302) is provided on the inner surface wall of the protective shell (301), a temperature sensor (303) is fixedly connected in the groove (302), a mounting slot (304) is provided on the top of the mounting plate (1), and the bottom of the protective shell (301) extends into the mounting slot (304) and is engaged with the mounting slot (304).

2. The antifreeze device for a heat exchanger of an air-conditioning unit according to claim 1, characterized in that: A second fixing bolt (5) is provided on the top of the mounting plate (1), the second fixing bolt (5) passes through the mounting plate (1) and extends to the bottom of the mounting plate (1), and the second fixing bolt (5) is threadedly connected to the mounting plate (1).

3. The antifreeze device for a heat exchanger of an air conditioning unit according to claim 1, characterized in that: A fixed plug plate (305) is provided on the side of the mounting plate (1), the fixed plug plate (305) passes through the mounting plate (1) and extends into the protective shell (301), and the fixed plug plate (305) is plugged into the mounting plate (1).

4. The antifreeze device for a heat exchanger of an air conditioning unit according to claim 1, characterized in that: The temperature sensor (303) is electrically connected to the heating plate (207), and the heating plate (207) is electrically connected to the fan (202).

5. The antifreeze device for a heat exchanger of an air-conditioning unit according to claim 1, characterized in that: A protective cover (4) is fixedly connected to the top of the protective shell (301), and the protective cover (4) is located on the top of the heat exchanger body (6).

6. The antifreeze device for a heat exchanger of an air conditioning unit according to claim 2, characterized in that: Four second fixing bolts (5) are provided, and the four second fixing bolts (5) are respectively located at the top corners of the mounting plate (1).

7. The antifreeze device for a heat exchanger of an air-conditioning unit according to claim 1, characterized in that: The material of the mounting plate (1) is stainless steel, and the material of the connecting plate (201) is alloy.

8. The antifreeze device for a heat exchanger of an air-conditioning unit according to claim 3, characterized in that: Two fixed plug plates (305) are provided, and the two fixed plug plates (305) are positioned opposite to each other.

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