Dry burning prevention protection device of gas heating water heater

Abstract

The utility model provides an anti-dry-burning protection device for a gas heating water heater, belongs to the technical field of water heaters, and mainly aims at solving the problem that a traditional protection device lacks accuracy, and adopts the technical scheme that the anti-dry-burning protection device comprises a water tank arranged in a water heater body, and a combustion chamber is arranged at the bottom of the water tank; the water heater is characterized in that a detection assembly is arranged in the water heater body and comprises a water level detector and a water flow detector, a mounting hole is formed in the top of the water tank, the water level detector penetrates through the mounting hole to be arranged in the water tank in a penetrating mode, and a heat exchange device is arranged between the combustion chamber and the water tank and provided with a heat exchange pipe. One end of the heat exchange pipe is connected with a water flow detector; a rotating assembly is arranged below the combustion chamber; an electromagnetic ignition device is arranged on one side of the combustion chamber; through the arrangement of the detection assembly, water flow in the heat exchange pipe and water level and temperature changes in the water tank are monitored, and the operation safety of the water heater is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hot water boiler technical field, more specifically, especially, it is related to a gas heating hot water boiler dry combustion protection device. BACKGROUND

[0002] In the operation process of the gas heating hot water boiler, water is the key medium for its normal work. However, due to various reasons, dry burning may occur. In this case, if the user does not discover and take water supplement measures in time, the heat exchanger may be damaged due to overheating.

[0003] For example, the Chinese utility model patent with patent number 201921532554.0 provides an anti-dry-burning energy-saving gas heating hot water boiler. The hot water boiler is provided with a temperature sensor, a stop needle valve, a connecting rod, and a gas supply valve. When the temperature sensor drives the connecting rod to move during use, the stop needle valve moves to close the gas supply valve to cut off the gas supply. However, the traditional hot water boiler only uses a single water tank temperature detection method to determine dry burning, which may cause the water tank temperature sensor to malfunction and incorrectly shut down the hot water boiler. Moreover, even if the water supply is restored to normal after dry burning, the system cannot automatically resume operation and requires manual restart, making it inconvenient to use. UTILITY MODEL CONTENTS

[0004] To solve the above technical problems, the utility model provides a gas heating hot water boiler dry combustion protection device to solve the technical problems of the prior art, such as the lack of accuracy in determining dry burning by only using a single water tank temperature detection method in the traditional hot water boiler, and the need for manual restart after restoring water supply, which makes it inconvenient to use.

[0005] The purpose and function of the gas heating hot water boiler dry combustion protection device are achieved by the following specific technical means:

[0006] A gas heating hot water boiler dry combustion protection device includes a water tank installed in the hot water boiler body, a combustion chamber is provided at the bottom of the water tank, a detection assembly is provided in the hot water boiler body, the detection assembly includes a water level detector and a water flow detector, an installation hole is formed at the top of the water tank, the water level detector is inserted into the water tank through the installation hole, a heat exchange device is provided between the combustion chamber and the water tank, a heat exchange pipe is provided on the heat exchange device, one end of the heat exchange pipe is connected to the water flow detector, a rotating assembly is provided below the combustion chamber, and an electromagnetic ignition device is provided on one side of the combustion chamber.

[0007] In a preferred implementation form, the detection assembly further comprises a temperature sensor, the temperature sensor is arranged on the top of the water tank, the hot water stove body is provided with a control panel on the front face, and the temperature sensor, the water flow detector and the water level detector are electrically connected with the control panel.

[0008] In a preferred implementation form, the rotating assembly comprises a rotating motor, and the rotating motor is fixedly connected to the inner wall of the hot water stove body by screws.

[0009] In a preferred implementation form, a connecting shaft is connected to the main shaft of the rotating motor, two groups of connecting holes are formed in the connecting member, the connecting shaft is arranged in one group of the connecting holes, and the rotating motor is electrically connected with the control panel.

[0010] In a preferred implementation form, the rotating assembly further comprises an operating fork, the hot water stove body is provided with a gas pipe at the bottom, the gas pipe is connected with the combustion chamber through a switch valve at the top, the operating fork is arranged in the other group of the connecting holes and corresponds to the switch valve, and one end of the operating fork is in contact with the switch valve.

[0011] In a preferred implementation form, two groups of fixing seats are arranged at two ends of the connecting member, and the four groups of fixing seats are connected with each other by fastening screws.

[0012] In a preferred implementation form, the water tank is provided with a water outlet pipe at one side, the water tank is provided with a waste gas discharge device at the top, and the combustion chamber is connected with the waste gas discharge device through a pipeline.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. Through the arrangement of the detection assembly, when the device is used, the water level detector can monitor the change of the water level in the water tank, the water flow detector can judge whether the water flow is abnormal from the change of the flow by monitoring the water flow in the heat exchange pipe, and the temperature sensor can sense the change of the water tank temperature in real time. The comprehensive detection of the three parameters is mutually complementary and verified, and compared with single temperature detection, it is more comprehensive and accurate, can more effectively prevent dry burning, and improves the safety of the hot water stove operation.

[0015] 2. Through the arrangement of the rotating assembly, when the detection assembly finds the dry burning condition, the control panel receives the signal and starts the rotating motor, the rotating motor can operate the switch valve on the gas pipe through the linkage of the connecting shaft, the connecting member and the operating fork, and the equipment can be stopped without manual intervention; when the abnormal condition is removed, the system can also automatically restore the equipment operation, and the convenience and automation degree of equipment use are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the dry burning protection device of the gas heating water heater of the utility model;

[0017] Figure 2 It is an explosion view of the dry burning protection device of the gas heating water heater of the utility model;

[0018] Figure 3 It is a structure schematic view of the dry burning protection device of the gas heating water heater of the utility model after the rotation assembly is assembled;

[0019] Figure 4 It is Figure 3 The structure schematic view after being disassembled.

[0020] In the figure, the corresponding relationship of component name and figure number is:

[0021] 11, water heater body;12, water tank;13, combustion chamber;14, mounting hole;15, heat exchange device;16, heat exchange pipe;17, gas pipe;18, water outlet pipe;19, waste gas discharge device;21, water level detector;22, water flow detector;23, temperature sensor;24, control panel;31, electromagnetic ignition device;41, rotation motor;42, connecting shaft;43, connecting piece;44, connecting hole;45, operation fork;46, on-off valve;47, fixing seat;48, fastening screw. Specific implementation

[0022] The implementation of the utility model will be described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0023] Example:

[0024] As shown in the accompanying Figure 1 to the accompanying Figure 4 It is shown that:

[0025] The utility model provides a kind of gas heating hot water furnace dry burning protection device, including the water tank 12 being installed in hot water furnace body 11, water tank 12 bottom is provided with combustion chamber 13, hot water furnace body 11 is provided with detection assembly, and detection assembly includes water level detector 21 and water flow detector 22, water tank 12 top is provided with mounting hole 14, water level detector 21 is passed through mounting hole 14 and is arranged in water tank 12, water level detector 21 can select star instrument brand's CYW11 model, the high-low change of the water level in water tank 12 is monitored, combustion chamber 13 and water tank 12 are provided with heat exchange device 15 between, heat exchange device 15 is provided with heat exchange pipe 16, one end of heat exchange pipe 16 is connected with water flow detector 22, water flow detector 22 can select sharp ling measurement brand's LWGY model, by monitoring the water flow condition in pipeline, judge whether there is water flow anomaly, to find possible dry burning hidden danger, the abnormal operating condition of hot water furnace can be found in time, improve the reliability of dry burning prevention;Rotary assembly is provided below combustion chamber 13, the automatic opening and closing of gas pipeline can be realized, and electromagnetic ignition device 31 is provided on one side of combustion chamber 13.

[0026] Please refer to as Figure 2 Indicated, detection assembly also includes temperature sensor 23, temperature sensor 23 can select T100 model of Hossweil brand, temperature sensor 23 is installed at the top of water tank 12, can real-time monitoring the temperature change in water tank 12, this kind of combination water level, water flow and temperature three detection means mode, compared with traditional only rely on temperature detection mode, can be more comprehensive, accurately grasp the operating state of hot water furnace;Hot water furnace body 11 front is provided with control panel 24, temperature sensor 23, water flow detector 22 and water level detector 21 are electrically connected with control panel 24;Control panel 24 can receive each detection data in real time, and according to the preset safety threshold operation rotary assembly.

[0027] Please refer to as Figure 2 And Figure 3 Indicated, rotary assembly includes rotary motor 41, and rotary motor 41 is fixedly installed on the inner wall of hot water furnace body 11 by screw.

[0028] Please refer to as Figure 3 And Figure 4As shown, the main shaft of the rotating motor 41 is connected with the connecting shaft 42, two groups of connecting holes 44 are arranged on the connecting piece 43, one group of connecting holes 44 is arranged with the connecting shaft 42, so that the power of the rotating motor 41 can be transmitted to the connecting piece 43 through the connecting shaft 42, and the other group of connecting holes 44 of the connecting piece 43 is correspondingly provided with the operating fork 45, one end of the operating fork 45 directly contacts with the switch valve 46 on the gas pipe 17; when the detection assembly detects that the water heater has abnormal conditions such as dry burning, the control panel 24 will immediately receive the related signal and start the rotating motor 41 to respond, the rotating motor 41 drives the connecting piece 43 to rotate through the connecting shaft 42, and then drives the operating fork 45 to act, so as to close the switch valve 46 on the gas pipe 17; the automatic cut-off of the gas supply under the abnormal state of the water heater is realized, the emergency shutdown of the equipment can be completed without manual intervention, and the safety of the water heater is improved; at the same time, when the abnormal condition is solved, the system can also automatically restore the normal operation state of the equipment without manual restart, and the convenience of using the water heater is improved.

[0029] As shown in Figure 4 As shown, the two ends of the connecting piece 43 are provided with two groups of fixing seats 47, and the four groups of fixing seats 47 are connected together by the fastening screws 48, thereby enhancing the stability of the connecting piece 43; specifically, the connecting shaft 42 is connected with the connecting piece 43 by being arranged in the space between one group of fixing seats 47, and at the same time, the operating fork 45 is also arranged between the other group of fixing seats 47 and cooperates with the switch valve 46; the four groups of fixing seats 47 are fixed together by the fastening screws 48, so that the displacement or deformation of the connecting piece 43 during rotation is avoided, and the coordination between the components of the rotating assembly is ensured; not only the overall reliability of the rotating assembly is improved, but also the convenience for subsequent maintenance and part replacement is provided, and the maintenance personnel can quickly remove the connecting piece 43 by only disassembling a few fastening screws 48, and then check and replace the rotating assembly.

[0030] As shown in Figure 2 As shown, the water tank 12 of the water heater body 11 is provided with the water outlet pipe 18 on one side, which is used for conveying the heated hot water to the user side, and the top of the water tank 12 is also provided with the waste gas discharge device 19, which is used for effectively discharging the waste gas generated by the combustion chamber 13; specifically, the combustion chamber 13 is connected with the waste gas discharge device 19 through the pipeline to form a complete waste gas discharge channel; so that the waste gas generated during the operation of the water heater can be discharged in time, and the accumulation of harmful gas in the room is avoided, and the use safety is ensured.

[0031] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the present application and its practical application, and to thereby enable others skilled in the art to best utilize the present application with various modifications as are suited to the particular use contemplated.

Claims

1. A dry combustion protection device for a gas-fired heating water heater, comprising a water tank (12) installed in a body (11) of the water heater, a combustion chamber (13) being arranged at the bottom of the water tank (12), characterized in that: The hot water stove body (11) is provided with a detection assembly, the detection assembly includes a water level detector (21) and a water flow detector (22), the water tank (12) top is provided with a mounting hole (14), the water level detector (21) is arranged in the water tank (12) through the mounting hole (14), a heat exchange device (15) is arranged between the combustion chamber (13) and the water tank (12), the heat exchange device (15) is provided with a heat exchange pipe (16), one end of the heat exchange pipe (16) is connected with the water flow detector (22); The combustion chamber (13) is provided with a rotating assembly below; The combustion chamber (13) is provided with an electromagnetic ignition device (31) on one side.

2. The dry combustion protection device for the gas-fired heating water heater according to claim 1, wherein: The detection assembly further includes a temperature sensor (23), the water tank (12) top is provided with the temperature sensor (23), the hot water stove body (11) front is provided with a control panel (24), the temperature sensor (23), water flow detector (22) and water level detector (21) are electrically connected with the control panel (24).

3. The dry combustion protection device for the gas-fired heating water heater according to claim 2, wherein: The rotating assembly includes a rotating motor (41), the rotating motor (41) is fixedly connected on the inner wall of the hot water stove body (11) through screws.

4. The dry combustion protection device of the gas-fired heating water heater according to claim 3, characterized in that: The rotating motor (41) main shaft is connected with a connecting shaft (42), two groups of connecting holes (44) are formed on the connecting piece (43), the connecting shaft (42) is arranged in one of the connecting holes (44), and the rotating motor (41) is electrically connected with the control panel (24).

5. The dry combustion protection device for the gas-fired heating water heater according to claim 4, wherein: The rotating assembly further includes an operating fork (45), the hot water stove body (11) bottom is provided with a gas pipe (17), the gas pipe (17) top is connected with the combustion chamber (13) through a switch valve (46), the operating fork (45) is arranged in the other connecting hole (44) corresponding to the switch valve (46), and one end of the operating fork (45) is in contact with the switch valve (46).

6. The dry combustion protection device for the gas-fired heating water heater according to claim 4, wherein: Both ends of the connecting piece (43) are provided with two groups of fixing seats (47), and four groups of fixing seats (47) are connected through fastening screws (48) between each other.

7. The dry combustion protection device for the gas-fired heating water heater according to claim 1, wherein: One side of the water tank (12) is provided with a water outlet pipe (18), the water tank (12) top is provided with a waste gas discharge device (19), and the combustion chamber (13) is connected with the waste gas discharge device (19) through a pipeline.

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