Gas heating and water heating dual-purpose furnace with variable-frequency direct-current brushless motor

Abstract

The utility model belongs to the technical field of dual-purpose furnaces, and particularly relates to a gas heating and water heating dual-purpose furnace with a variable-frequency direct-current brushless motor. The domestic hot water boiler comprises a boiler shell body, a domestic hot water temperature sensor is arranged on the lower portion in the boiler shell body, a heating hot water temperature sensor and a plate heat exchanger are arranged on the back face of the domestic hot water temperature sensor respectively and connected with a water pump, and a combustor arranged in an inner container shell is connected with the plate heat exchanger through a plastic waterway system. A variable-frequency direct-current brushless motor fan and a wind pressure switch are arranged on the upper portion in the inner container shell, and a Venturi silicone tube is connected between the variable-frequency direct-current brushless motor fan and the wind pressure switch. The variable-frequency direct-current brushless motor fan is high in reliability, good in stability, high in adaptability, easy to repair and maintain, resistant to bumping and vibration, low in noise and small in vibration; the motor is smooth in operation, long in service life, wide in speed regulation range and high in overload capacity, and stepless speed regulation can be realized.

Description

Technical Field

[0001] The utility model belongs to the technical field of dual-purpose furnaces, and relates to a gas heating and hot water dual-purpose furnace with a variable-frequency DC brushless motor. Background Art

[0002] The full name of the "wall-mounted boiler" is: "gas wall-mounted heating furnace". It and the gas instantaneous water heater are both fast heating devices without a hot water storage device, but there are essential differences in structure. The existing wall-mounted boilers use brushed motors, which will cause poor stability of the blower, large vibration and noise, and often accompanied by overload conditions, and are troublesome to repair and maintain, reducing the service life. Therefore, in view of the above problems, a gas heating and hot water dual-purpose furnace with a variable-frequency DC brushless motor is proposed. Content of the Utility Model

[0003] The purpose of the utility model is to provide a gas heating and hot water dual-purpose furnace with a variable-frequency DC brushless motor for the above problems.

[0004] To achieve the above object, the utility model adopts the following technical solutions:

[0005] A gas heating and hot water dual-purpose furnace with a variable-frequency DC brushless motor, including a furnace shell main body. An inner tank shell is arranged above the inner part of the furnace shell main body, and an inner box body is arranged below the inner part of the inner tank shell. A domestic hot water temperature sensor is arranged on the front of the lower part inside the furnace shell main body, and a heating hot water temperature sensor, a plate heat exchanger and a water pump are respectively arranged on the back of the domestic hot water temperature sensor. One end of a plastic water system is arranged on the heating hot water temperature sensor, the plate heat exchanger and the water pump. A burner is arranged below the inner part of the inner box body, and a plug-in main heat exchanger is arranged above the inner part of the inner box body. At the same time, the other end of the plastic water system is connected to both the burner and the plug-in main heat exchanger. A variable-frequency DC brushless motor blower, a pressure switch and a venturi silica gel tube are arranged above the inner part of the inner tank shell. An expansion tank is arranged on one side inside the inner tank shell, and the other end of the plastic water system is arranged below the expansion tank.

[0006] In the above gas heating and hot water dual-purpose furnace with a variable-frequency DC brushless motor, the inner tank shell is fixedly connected above the inner part of the furnace shell main body, and the inner box body is fixedly connected below the inner part of the inner tank shell. A bayonet part is opened on the front of the furnace shell main body, and the domestic hot water temperature sensor is fixedly connected by being clamped into the bayonet part. At the same time, the display part on the front of the domestic hot water temperature sensor is flush with the front of the furnace shell main body.

[0007] In the above gas heating and hot water dual-purpose furnace with a variable-frequency DC brushless motor, the heating hot water temperature sensor, the plate heat exchanger and the water pump are respectively fixedly connected to the back of the lower part inside the furnace shell main body. Both sides of the plate heat exchanger are respectively connected to the heating hot water temperature sensor and the water pump. At the same time, the front of the plate heat exchanger is connected to the middle part of the back of the domestic hot water temperature sensor.

[0008] In the above-mentioned gas-fired heating and hot water dual-purpose furnace with a variable-frequency DC brushless motor, one side of the heating and hot water temperature sensor is fixedly connected to one end of the plastic water circuit system, and the upper part of the plastic water circuit system penetrates into the inner liner shell and the inner side of the inner box body. An in-line main heat exchanger is fixedly connected above the inner box body, and one side of the in-line main heat exchanger is fixedly connected to the penetrating end of the plastic water circuit system.

[0009] In the above-mentioned gas-fired heating and hot water dual-purpose furnace with a variable-frequency DC brushless motor, one end of the plastic water circuit system is fixedly connected above the water pump, and the upper part of the plastic water circuit system penetrates into the inner liner shell and the other side of the inner box body. The penetrating end of the plastic water circuit system is fixedly connected to the other side of the in-line main heat exchanger.

[0010] In the above-mentioned gas-fired heating and hot water dual-purpose furnace with a variable-frequency DC brushless motor, one end of the plastic water circuit system is fixedly connected above the plate heat exchanger, and the upper part of the plastic water circuit system penetrates into the inner liner shell and the bottom of the inner box body. A burner is fixedly connected below the inner box body, and the bottom of the burner is fixedly connected to the penetrating end of the plastic water circuit system.

[0011] In the above-mentioned gas-fired heating and hot water dual-purpose furnace with a variable-frequency DC brushless motor, a variable-frequency DC brushless motor fan is fixedly connected above the inner liner shell, and the upper part of the variable-frequency DC brushless motor fan penetrates out of the inner liner shell and the upper part of the furnace shell body respectively.

[0012] In the above-mentioned gas-fired heating and hot water dual-purpose furnace with a variable-frequency DC brushless motor, a wind pressure switch is fixedly connected above the furnace shell body, and both ends of a Venturi silica gel tube are fixedly connected between the wind pressure switch and the variable-frequency DC brushless motor fan respectively.

[0013] In the above-mentioned gas-fired heating and hot water dual-purpose furnace with a variable-frequency DC brushless motor, an expansion tank is fixedly connected to one side inside the inner liner shell, and a plastic water circuit system is fixedly connected between the expansion tank and the water pump.

[0014] In the above-mentioned gas-fired heating and hot water dual-purpose furnace with a variable-frequency DC brushless motor, an ignition needle and a flame detection needle are arranged above the burner.

[0015] Compared with the existing technology, the advantages of the present utility model are as follows:

[0016] In the utility model, a domestic hot water temperature sensor is arranged below the furnace shell main body, and a heating hot water temperature sensor, a plate heat exchanger and a water pump are respectively arranged on the back of the domestic hot water temperature sensor and are connected to each other. A plastic waterway system is connected between a burner arranged in the inner tank shell and the plate heat exchanger. A variable frequency DC brushless motor blower and a wind pressure switch are arranged above the inner tank shell, and a Venturi silica gel tube is connected between the variable frequency DC brushless motor blower and the wind pressure switch. The blower adopting the variable frequency DC brushless motor has high reliability, good stability, strong adaptability, simple maintenance, resistance to bumps and vibrations, low noise, small vibration, smooth operation and long service life, and can steplessly adjust speed with a wide speed regulation range and strong overload capacity.

[0017] Other advantages, objectives and features of the utility model will be partially reflected by the following description and partially understood by those skilled in the art through the research and practice of the utility model. Brief Description of the Drawings

[0018] Figure 1 is the overall schematic diagram of the utility model;

[0019] Figure 2 is one of the overall internal sectional schematic diagrams of the utility model;

[0020] Figure 3 is one of the overall internal sectional schematic diagrams of the utility model;

[0021] Figure 4 is the schematic diagram of the back of the overall internal structure of the utility model;

[0022] Figure 5 is the schematic diagram of the bottom view of the overall internal structure of the utility model.

[0023] In the figure: 1. Furnace shell main body; 101. Bayonet part; 2. Inner tank shell; 3. Plastic waterway system; 4. Plug-in main heat exchanger; 5. Burner; 501. Ignition needle and fire detection needle; 6. Water pump; 7. Inner box body; 8. Variable frequency DC brushless motor blower; 9. Plate heat exchanger; 10. Expansion water tank; 11. Domestic hot water temperature sensor; 12. Heating hot water temperature sensor; 13. Wind pressure switch; 14. Venturi silica gel tube. Detailed Embodiment

[0024] The utility model will be further described below with reference to the drawings.

[0025] As Figures 1-5As shown in the figure, a gas heating and hot water dual-purpose furnace with a variable-frequency DC brushless motor includes a furnace shell main body 1. An inner tank shell 2 is provided above the inner part of the furnace shell main body 1, and an inner box body 7 is provided below the inner part of the inner tank shell 2. A domestic hot water temperature sensor 11 is provided on the front side below the inner part of the furnace shell main body 1. On the back side of the domestic hot water temperature sensor 11, a heating hot water temperature sensor 12, a plate heat exchanger 9 and a water pump 6 are respectively provided. One end of a plastic waterway system 3 is provided on each of the heating hot water temperature sensor 12, the plate heat exchanger 9 and the water pump 6. A burner 5 is provided below the inner part of the inner box body 7, and a plug-in main heat exchanger 4 is provided above the inner part of the inner box body 7. At the same time, the other ends of the plastic waterway system 3 are connected to both the burner 5 and the plug-in main heat exchanger 4. A variable-frequency DC brushless motor fan 8, a wind pressure switch 13 and a Venturi silica gel tube 14 are provided above the inner part of the inner tank shell 2. An expansion tank 10 is provided on one side inside the inner tank shell 2, and the other end of the plastic waterway system 3 is provided below the expansion tank 10.

[0026] The inner tank shell 2 is fixedly connected above the inner part of the furnace shell main body 1, and the inner box body 7 is fixedly connected below the inner part of the inner tank shell 2. A bayonet part 101 is provided on the front side of the furnace shell main body 1, and the domestic hot water temperature sensor 11 is fixedly connected by being snapped into the bayonet part 101. At the same time, the display part on the front side of the domestic hot water temperature sensor 11 is flush with the front side of the furnace shell main body 1.

[0027] The domestic hot water temperature sensor 11 is provided inside the lower part of the furnace shell main body 1. Since a display part is provided on the front side of the domestic hot water temperature sensor 11, the whole wall-hung boiler can be adjusted and observed externally.

[0028] Further, the heating hot water temperature sensor 12, the plate heat exchanger 9 and the water pump 6 are respectively fixedly connected to the back part below the inner part of the furnace shell main body 1. The two sides of the plate heat exchanger 9 are respectively connected to the heating hot water temperature sensor 12 and the water pump 6. At the same time, the front side of the plate heat exchanger 9 is connected to the middle part of the back side of the domestic hot water temperature sensor 11.

[0029] Further, one end of the plastic waterway system 3 is fixedly connected to one side of the heating hot water temperature sensor 12. The plastic waterway system 3 penetrates upward into the inner part of the inner tank shell 2 and one side inside the inner box body 7. The plug-in main heat exchanger 4 is fixedly connected above the inner part of the inner box body 7, and one side of the plug-in main heat exchanger 4 is fixedly connected to the penetrating end of the plastic waterway system 3.

[0030] Further, one end of the plastic waterway system 3 is fixedly connected above the water pump 6. The plastic waterway system 3 penetrates upward into the inner part of the inner tank shell 2 and the other side inside the inner box body 7. The penetrating end of the plastic waterway system 3 is fixedly connected to the other side of the plug-in main heat exchanger 4.

[0031] Further, one end of the plastic waterway system 3 is fixedly connected above the plate heat exchanger 9, and the upper part of the plastic waterway system 3 penetrates into the inner liner shell 2 and the bottom of the inner box body 7. The burner 5 is fixedly connected below the inner box body 7, and the bottom of the burner 5 is fixedly connected to the penetrating end of the plastic waterway system 3.

[0032] After the water pump 6 is connected to external tap water, the entire interior of the wall-mounted boiler is supplied with water, which is transmitted through the plastic waterway system 3. The plate heat exchanger 9 below the inner part of the furnace shell main body 1 and the heating hot water temperature sensor 12 are used for regulation, and after regulation, it is transmitted upward through the plastic waterway system 3 to other components.

[0033] The variable frequency direct current brushless motor fan 8 is fixedly connected above the inner liner shell 2, and the upper part of the variable frequency direct current brushless motor fan 8 respectively penetrates through the inner liner shell 2 and the upper part of the furnace shell main body 1.

[0034] Further, the air pressure switch 13 is fixedly connected above the inner part of the furnace shell main body 1, and both ends of the venturi silica gel tube 14 are fixedly connected between the air pressure switch 13 and the variable frequency direct current brushless motor fan 8 respectively.

[0035] After the variable frequency direct current brushless motor fan 8 and the air pressure switch 13 are connected by the venturi silica gel tube 14 above the inner liner shell 2, the variable frequency direct current brushless motor fan 8 is used to control the operation inside the wall-mounted boiler.

[0036] Further, the expansion tank 10 is fixedly connected to one side inside the inner liner shell 2, and the plastic waterway system 3 is fixedly connected between the expansion tank 10 and the water pump 6.

[0037] After the expansion tank 10 is connected to the water pump 6, the expansion tank 10 can adjust the internal water supply situation.

[0038] Further, the ignition needle and the flame detection needle 501 are arranged above the burner 5.

[0039] The ignition needle and the flame detection needle 501 arranged on the burner 5 supply heat inside, and at the same time can detect whether the internal heat supply is too large or insufficient.

[0040] Working principle:

[0041] A domestic hot water temperature sensor 11 is provided below the main body 1 of the furnace shell. A heating hot water temperature sensor 12, a plate heat exchanger 9 and a water pump 6 are respectively arranged on the back of the domestic hot water temperature sensor 11 and are connected to each other. At the same time, the heating hot water temperature sensor 12 is connected to one side of the plug-in main heat exchanger 4 in the inner tank shell 2 through a plastic water system 3, and the water pump 6 is connected to the other side of the plug-in main heat exchanger 4. In this way, the tap water entering the lower part of the main body 1 of the furnace shell flows and is converted. The burner 5 arranged in the inner tank shell 2 is connected to the plate heat exchanger 9 through the plastic water system 3. The burner 5 can be used to heat cold water, and the domestic hot water temperature sensor 11 can be used for adjustment during the heat supply process. A variable frequency direct current brushless motor fan 8 and a pressure switch 13 are arranged above the inner tank shell 2, and a Venturi silica gel tube 14 is connected between the variable frequency direct current brushless motor fan 8 and the pressure switch 13, so that the pressure switch 13 controls the speed regulation of the variable frequency direct current brushless motor fan 8 to adjust and control the inside of the whole wall-mounted boiler.

[0042] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art to which the present invention pertains can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, but will not deviate from the spirit of the present invention.

[0043] Although terms such as 1, main body of furnace shell; 101, bayonet part; 2, inner tank shell; 3, plastic water system; 4, plug-in main heat exchanger; 5, burner; 501, ignition needle and fire detection needle; 6, water pump; 7, inner box body; 8, variable frequency direct current brushless motor fan; 9, plate heat exchanger; 10, expansion tank; 11, domestic hot water temperature sensor; 12, heating hot water temperature sensor; 13, pressure switch; 14, Venturi silica gel tube are used more in this article, the possibility of using other terms is not excluded. The use of these terms is only for more convenient description and explanation of the essence of the present invention, and interpreting them as any additional limitation is contrary to the spirit of the present invention.

Claims

1. A gas-fired heating and hot water dual-purpose furnace with a variable-frequency DC brushless motor, comprising a furnace shell main body (1), characterized in that: Above the main furnace shell (1), an inner furnace shell (2) is provided, and below the inner furnace shell (2), an inner box body (7) is provided. In the lower front of the main furnace shell (1), a domestic hot water temperature sensor (11) is provided, and on the back of the domestic hot water temperature sensor (11), a heating hot water temperature sensor (12), a plate heat exchanger (9), and a water pump (6) are respectively provided. One end of a plastic water circuit system (3) is provided on each of the heating hot water temperature sensor (12), the plate heat exchanger (9), and the water pump (6). Below the inner box body (7), a burner (5) is provided, and above the inner box body (7), a plug-in type main heat exchanger (4) is provided. At the same time, the other end of the plastic water circuit system (3) is connected to both the burner (5) and the plug-in type main heat exchanger (4). Above the inner furnace shell (2), a variable frequency direct current brushless motor blower (8), a pressure switch (13), and a venturi silica gel tube (14) are provided. On one side of the inner furnace shell (2), an expansion tank (10) is provided, and the other end of the plastic water circuit system (3) is provided below the expansion tank (10).

2. The gas heating and hot water dual-purpose furnace with a variable-frequency DC brushless motor according to claim 1, wherein: Above the main furnace shell (1), the inner furnace shell (2) is fixedly connected, and below the inner furnace shell (2), the inner box body (7) is fixedly connected. On the front of the main furnace shell (1), a bayonet part (101) is provided, and the domestic hot water temperature sensor (11) is fixedly connected by being snapped into the bayonet part (101). At the same time, the display part on the front of the domestic hot water temperature sensor (11) is flush with the front of the main furnace shell (1).

3. The gas heating and hot water dual-purpose furnace with a variable-frequency DC brushless motor according to claim 2, characterized in that: At the back of the lower part of the main furnace shell (1), the heating hot water temperature sensor (12), the plate heat exchanger (9), and the water pump (6) are respectively fixedly connected. The two sides of the plate heat exchanger (9) are respectively connected to the heating hot water temperature sensor (12) and the water pump (6). At the same time, the front of the plate heat exchanger (9) is connected to the middle part of the back of the domestic hot water temperature sensor (11).

4. The gas heating and hot water dual-purpose furnace with a variable-frequency DC brushless motor according to claim 3, characterized in that: One end of the plastic water circuit system (3) is fixedly connected to one side of the heating hot water temperature sensor (12), and the plastic water circuit system (3) penetrates into the inner furnace shell (2) and the inner side of one side of the inner box body (7) from above. Above the inner box body (7), the plug-in type main heat exchanger (4) is fixedly connected, and one side of the plug-in type main heat exchanger (4) is fixedly connected to the penetrating end of the plastic water circuit system (3).

5. The gas heating and hot water dual-purpose furnace with a variable-frequency DC brushless motor according to claim 4, characterized in that: One end of the plastic water circuit system (3) is fixedly connected above the water pump (6), and the plastic water circuit system (3) penetrates into the inner furnace shell (2) and the inner side of the other side of the inner box body (7) from above. The penetrating end of the plastic water circuit system (3) is fixedly connected to the other side of the plug-in type main heat exchanger (4).

6. The gas heating and hot water dual-purpose furnace with a variable-frequency DC brushless motor according to claim 5, wherein: One end of the plastic water circuit system (3) is fixedly connected above the plate heat exchanger (9), and the plastic water circuit system (3) penetrates into the inner furnace shell (2) and the bottom of the inner box body (7) from above. Below the inner box body (7), the burner (5) is fixedly connected, and the bottom of the burner (5) is fixedly connected to the penetrating end of the plastic water circuit system (3).

7. The gas heating and hot water dual-purpose furnace with a variable-frequency DC brushless motor according to claim 6, characterized in that: Above the inner furnace shell (2), the variable frequency direct current brushless motor blower (8) is fixedly connected, and the variable frequency direct current brushless motor blower (8) penetrates out of the inner furnace shell (2) and the upper part of the main furnace shell (1) from above.

8. The gas-fired heating and hot water dual-purpose boiler with a variable-frequency DC brushless motor according to claim 7, wherein: A wind pressure switch (13) is fixedly connected above the main body of the furnace shell (1), and both ends of a Venturi silica gel tube (14) are fixedly connected between the wind pressure switch (13) and the variable frequency DC brushless motor fan (8).

9. The gas-fired heating and hot water dual-purpose furnace with a variable-frequency DC brushless motor according to claim 8, characterized in that: An expansion water tank (10) is fixedly connected to one side inside the inner tank shell (2), and a plastic water circuit system (3) is fixedly connected between the expansion water tank (10) and the water pump (6).

10. The gas heating and hot water dual-purpose furnace with a variable-frequency DC brushless motor according to claim 1, characterized in that: An ignition needle and a flame detection needle (501) are arranged above the burner (5).

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