Counterweight-mounted pitch electric heater

Abstract

The present application relates to a counterweight-mounted pitch electric heater, including a housing assembly, an air heating device, a control device and a counterweight block, wherein the housing assembly includes a base and a shell; and the air heating device, the control device and the counterweight block are mounted on the shell. Turning the shell over relative to the base can change a direction of heated air, and adapt to the heating needs of different heights. Since the control device, the air heating device and the counterweight block are distributed on the shell from top to bottom along a length direction of the shell, and the base and the shell are rotatably connected near the air heating device, when the shell is turned over relative to the base, the counterweight block can counteract an acting force exerted by the control device at the top of the shell.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS

[0001] The application claims priority to Chinese patent application No. 202422311570.4, filed on Sep. 20, 2024, the entire contents of which are incorporated herein by reference.TECHNICAL FIELD

[0002] The present application relates to the technical field of household appliances, and in particular, to a counterweight-mounted pitch electric heater.BACKGROUND

[0003] A heater can directly convert electrical energy or other chemical energy into heat energy, and transfer heat through radiation, convection contact, etc., so that users can move in a suitable temperature environment.

[0004] Counterweight-mounted pitch electric heaters may be approximately divided into fuel gas counterweight-mounted pitch electric heaters, electric heating counterweight-mounted pitch electric heaters, boiler counterweight-mounted pitch electric heaters, and electric wall-hung heating furnaces according to different heating media and different heating principles. Compared with traditional stove heating, fuel gas heating and other methods, electric heaters have more advantages, such as convenience in use, less emission pollution, and no space occupancy. Meanwhile, the safety performance of electric heaters is relatively good, because they do not require fuel gas, will not produce harmful gases, and are not prone to gas leakage and other problems. However, when an electric heating device is tipped over, a heating element may burn out due to the loss of heat dissipation, causing a safety issue when an electric appliance catches fire.

[0005] In addition, in order to prevent the heater from being tipped over, the weight of a base is almost increased, so that the center of gravity of the heater is concentrated on the base to prevent tipping over.SUMMARY

[0006] Based on this, it is necessary to provide a counterweight-mounted pitch electric heater for the above problems appearing in counterweight-mounted pitch electric heaters.

[0007] The present application provides a counterweight-mounted pitch electric heater, comprising a housing assembly, an air heating device, a control device and a counterweight block,

[0008] the housing assembly comprises a base and a shell, wherein the shell is provided with an air inlet and an air outlet, and the shell is arranged on the base in a manner of turning over up and down;

[0009] the control device, the air heating device and the counterweight block are mounted on the shell from top to bottom;

[0010] a junction between the base and the shell is adjacent to the air heating device; and

[0011] the counterweight block is configured to raise the center of gravity at the bottom of the shell, so that the base is kept to stand when the shell is tilted relative to the base.

[0012] The present application discloses the counterweight-mounted pitch electric heater, which includes the housing assembly, the air heating device, the control device and the counterweight block, wherein the housing assembly includes the base and the shell ; and the air heating device, the control device and the counterweight block are mounted on the shell. The air heating device can draw an airflow at the air inlet of the shell, heat the airflow and discharge the heated airflow from the air outlet of the shell. Turning the shell over relative to the base can change a direction of heated air in the counterweight-mounted pitch electric heater, and adapt to the heating needs of different heights. Since the control device, the air heating device and the counterweight block are distributed on the shell from top to bottom along the length direction of the shell, and the base and the shell are rotatably connected near the air heating device, when the shell is turned over relative to the base, the counterweight block at the bottom of the shell can counteract the acting force exerted by the control device at the top of the shell, which causes the counterweight-mounted pitch electric heater to be tipped over, thereby preventing the counterweight-mounted pitch electric heater from being tipped over. Based on the above design, the counterweight-mounted pitch electric heater requires a large weight for the counterweight block compared to the way that the counterweight block is arranged on the base. This not only increases the manufacturing cost of the product, but also leads to higher packaging and transportation costs.

[0013] In one of the embodiments, the base comprises a base plate and a fixed bracket, the fixed bracket is arranged on the base plate, and the shell is rotatably connected to the fixed bracket.

[0014] In one of the embodiments, the fixed bracket is U-shaped.

[0015] In one of the embodiments, the fixed bracket is rotatably connected to the base.

[0016] The counterweight-mounted pitch electric heater in the above embodiments is further defined that: the fixed bracket can rotate relative to the base, so that the air outlet of the counterweight-mounted pitch electric heater can be adjusted not only up and down, but also left and right to meet the needs of a variety of scenarios.

[0017] In one of the embodiments, a rotary limiting structure is arranged between the base and the shell, and the rotary limiting structure is configured to limit a tilt angle of the shell relative to the base.

[0018] In one of the embodiments, the shell is strip-shaped.

[0019] The counterweight-mounted pitch electric heater in the above embodiments is further defined that: the shell is strip-shaped. Since the control device, the air heating device and the counterweight block are distributed and mounted along the length direction of the shell from top to bottom, and the junction between the base and the shell is close to the air heating device, the counterweight block almost only needs to overcome an acting force caused by the gravity of the top control device, which causes the counterweight-mounted pitch electric heater to be tipped over when the shell is tilted relative to the base, such that the requirement for the weight of the counterweight block is not high, which improves the rationality of the design and reduces the cost.

[0020] In one of the embodiments, the air heating device comprises an air duct housing, a heating element and a fan assembly; the heating element is located in the air duct housing; and the air duct housing and the fan assembly are horizontally distributed in the shell.

[0021] The counterweight-mounted pitch electric heater in the above embodiments is further defined that: since the heating element is mounted in the air duct housing, the air duct housing and the fan assembly are horizontally distributed in the shell, and the junction between the shell and the base is close to the center of gravity of the air heating device, the counterweight block almost only needs to overcome an acting force caused by the gravity of the top control device, which causes the counterweight-mounted pitch electric heater to be tipped over when the shell is tilted relative to the base, such that the requirement for the weight of the counterweight block is not high, which improves the rationality of the design and reduces the cost.

[0022] In one of the embodiments, the control device comprises a human-computer interaction module and a control circuit board; the control circuit board is electrically connected to the human-computer interaction module and the air heating device, respectively; and the human-computer interaction module and the control circuit board are both distributed on the top of the shell.

[0023] The counterweight-mounted pitch electric heater in the above embodiments is further defined that: the human-computer interaction module and the control circuit board are both distributed on the top of the shell, which prevents the user from crouching down or bending down as much as possible during operation. In addition, the air outlet of the counterweight-mounted pitch electric heater is arranged in the middle of the shell, which avoids the impact of the hot airflow discharged from the air outlet on the human-computer interaction module and the control circuit.

[0024] In one of the embodiments, the housing assembly further comprises a lifting handle, and the lifting handle is arranged on the top of the shell.

[0025] The counterweight-mounted pitch electric heater in the above embodiments is further defined that: the lifting handle is mounted at the top of the shell. Based on the above design, taking into account the convenience of users in use, the counterweight-mounted pitch electric heater of the present application can be easily moved to other positions as needed, thereby providing a more flexible way of use.

[0026] In one of the embodiments, the counterweight-mounted pitch electric heater further comprises an anti-tipping sensor, in which the anti-tipping sensor is arranged on the base, and the anti-tipping sensor is electrically connected to the control device.

[0027] The counterweight-mounted pitch electric heater in the above embodiments is further defined that: an anti-tipping sensor is arranged on the base to detect a tilt angle of the electric heater in real time. When the tilt angle of the air heating device exceeds a set threshold, the sensor may trigger a power-off mechanism to immediately cut off a power supply, thereby preventing the electric heater from continuing to operate and avoiding safety accidents caused by tipping over.BRIEF DESCRIPTION OF DRAWINGS

[0028] FIG. 1 is a three-dimensional drawing I of a counterweight-mounted pitch electric heater in an embodiment;

[0029] FIG. 2 is a three-dimensional drawing II of a counterweight-mounted pitch electric heater in an embodiment;

[0030] FIG. 3 is a sectional view I of a counterweight-mounted pitch electric heater in an embodiment; and

[0031] FIG. 4 is a sectional view II of a counterweight-mounted pitch electric heater in an embodiment.

[0032] Reference symbols represent the following components:

[0033] 10—housing assembly, 11—base, 111—base plate, 112—fixed bracket, 12—shell, and 13—lifting handle;

[0034] 20—air heating device, 21—air duct housing, 22—heating element, and 23—fan assembly;

[0035] 30—control device, 31—human-computer interaction module, and 32—control circuit board; and

[0036] 40—counterweight block, and 50—anti-tipping sensor.DETAILED DESCRIPTION OF THE EMBODIMENTS

[0037] In order for those skilled in the art to understand the solutions of the present application better, the technical solutions in the embodiments of the present application will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present application. Apparently, the described embodiments are merely some embodiments, rather than all embodiments, of the present application. Based on the embodiments in the present application, all other embodiments derived by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0038] It should be noted that the terms “first”, “second” and the like in the description and claims, as well as the above-mentioned drawings, of the present application are used to distinguish similar objects, but not necessarily used to describe a specific order or precedence order. It should be understood that data used in this way may be interchanged where appropriate so that the embodiments of the present application described herein can be implemented.

[0039] As shown in FIGS. 1 to 4, the present embodiment provides a counterweight-mounted pitch electric heater, including a housing assembly 10, an air heating device 20, a control device 30 and a counterweight block 40,

[0040] the housing assembly 10 includes a base 11 and a shell 12, wherein the shell 12 is provided with an air inlet and an air outlet, and the shell 12 is arranged on the base 11 in a manner of turning over up and down;

[0041] the control device 30, the air heating device 20 and the counterweight block 40 are installed on the shell 12 from top to bottom;

[0042] a junction between the base 11 and the shell 12 is adjacent to the air heating device 20; and

[0043] the counterweight block 40 is configured to raise the center of gravity at the bottom of the shell 12, so that the base 11 is kept to stand when the shell 12 is tilted relative to the base 11.

[0044] The shell 12 is equipped with a mounting cavity in which the control device 30, the air heating device 20, and the counterweight block 40 are mounted, as well as an air inlet and air outlet which are communicated with the mounting cavity. A structure, e.g., a mounting groove, in which the counterweight block 40 is mounted may be arranged on an inner wall of the shell 12 or at the bottom of the shell 12. The counterweight block 40 may be inserted directly into the mounting groove to achieve fixed mounting of the counterweight block 40 and the shell 12. It should be noted that the counterweight block 40 may be, but not limited to be, made of a metal or non-metal material. For example, the counterweight block 40 is a stone block.

[0045] The air heating device 20 may be used to draw an airflow at the air inlet and introduce the airflow into the air heating device 20 for heating. The heated airflow is discharged from the air outlet and then provides a heating demand for users.

[0046] The shell 12 may be turned over up and down relative to the base 11 to adjust a direction of the airflow discharge. Specifically, the base 11 and the shell 12 are rotatably connected near the air heating device 20. Since the control device 30, the air heating device 20 and the counterweight block 40 are distributed from top to bottom along a length direction of the shell 12, when the shell 12 is turned over relative to the base 11, the counterweight block 40 at the bottom of the shell 12 can counteract an acting force exerted by the control device 30 at the top of the shell 12, which causes the counterweight-mounted pitch electric heater to be tipped over.

[0047] The counterweight-mounted pitch electric heater in the above embodiment includes the housing assembly 10, the air heating device 20, the control device 30 and the counterweight block 40, wherein the housing assembly 10 includes the base 11 and the shell 12; and the air heating device 20, the control device 30 and the counterweight block 40 are mounted on the shell 12. The air heating device 20 can draw an airflow at the air inlet of the shell 12, heat the airflow and discharge the heated airflow from the air outlet of the shell 12. Turning the shell 12 over relative to the base 11 can change a direction of heated air in the counterweight-mounted pitch electric heater, and adapt to the heating needs of different heights. Since the control device 30, the air heating device 20 and the counterweight block 40 are distributed on the shell 12 from top to bottom along the length direction of the shell 12, and the base 11 and the shell 12 are rotatably connected near the air heating device 20, when the shell 12 is turned over relative to the base 11, the counterweight block 40 at the bottom of the shell 12 can counteract the acting force exerted by the control device 30 at the top of the shell 12, which causes the counterweight-mounted pitch electric heater to be tipped over, thereby preventing the counterweight-mounted pitch electric heater from being tipped over. Based on the above design, the counterweight-mounted pitch electric heater requires a large weight for the counterweight block 40 compared to the way that the counterweight block 40 is arranged on the base 11. This not only increases the manufacturing cost of the product, but also leads to higher packaging and transportation costs.

[0048] As shown in FIGS. 1 to 3, in addition to the characteristics of the above embodiments, it is further defined in the present embodiment that: the base 11 includes a base plate 111 and a fixed bracket 112, wherein the fixed bracket 112 is arranged on the base plate 111, and the shell 12 is rotatably connected to the fixed bracket 112.

[0049] The base plate 111 may be, but not limited to, a metal or non-metal housing. For example, the base plate 111 is a plastic housing structure, and the base plate 111 may be cylindrical. A space in which the electric heater is mounted may be formed inside the base plate 111.

[0050] Since the shell 12 is supported on the base plate 111 by means of the fixed bracket 112, and the shell 12 can rotate relative to the fixed bracket 112, when the shell 12 is turned over relative to the base 11, the gravity of the counterweight block 40 at the bottom of the shell 12 can partially or completely counteract the acting force exerted by the control device 30 at the top of the shell 12, which causes the counterweight-mounted pitch electric heater from being tipped over.

[0051] As shown in FIGS. 1 to 2, in addition to the characteristics of the above embodiments, it is further defined in the present embodiment that: the fixed bracket 112 is U-shaped.

[0052] The fixed bracket 112 may be U-shaped, and both ends of the fixed bracket 112 are connected to the shell 12, respectively, so as to improve the stability of the connection between the shell 12 and the fixed bracket 112. In addition, it should be noted that the shape of the fixed bracket 112 may also be a box shape or an oval shape.

[0053] In addition to the characteristics of the above embodiments, it is further defined in the present embodiment that: the fixed bracket 112 is rotatably connected to the base 11.

[0054] It is further defined in the above embodiments that: the fixed bracket 112 can rotate relative to the base 11, so that the air outlet of the counterweight-mounted pitch electric heater can be adjusted not only up and down, but also left and right to meet the needs of a variety of scenarios.

[0055] The fixed bracket 112 can rotate relative to the base 11 by means of manual or electric operation. For example, the fixed bracket 112 can rotate relative to the base 11 by means of electric operation. Specifically, a driving assembly, a connecting rod and a turntable are mounted in a space formed in the base plate 111, the turntable is connected to the fixed bracket 112, and both ends of the connecting rod are connected to the turntable and an output end of the driving assembly, respectively. When the drive assembly rotates, the connecting rod is driven to rotate by the connecting rod, so as to achieve the electric rotation of the fixed bracket 112 relative to the base plate 111.

[0056] In addition to the characteristics of the above embodiments, it is further defined in the present embodiment that: a rotary limiting structure is arranged between the base 11 and the shell 12, and the rotary limiting structure is configured to limit a tilt angle of the shell 12 relative to the base 11.

[0057] The rotary limiting structure may include a plurality of gears, each corresponding to a different included angle formed between the shell 12 and the base 11. When the shell 12 rotates to a certain gear relative to the base 11, the rotary limiting structure can keep the shell 12 and the base 11 in a relatively stationary state without the action of external force.

[0058] As shown in FIGS. 1 to 2, in addition to the characteristics of the above embodiments, it is further defined in the present embodiment that: the shell 12 is strip-shaped.

[0059] It is further defined in the above embodiments that: the shell 12 is strip-shaped. Since the control device 30, the air heating device 20 and the counterweight block 40 are distributed and mounted along the length direction of the shell 12 from top to bottom, and the junction between the base 11 and the shell 12 is close to the air heating device 20, the counterweight block 40 almost only needs to overcome an acting force caused by the gravity of the top control device 30, which causes the counterweight-mounted pitch electric heater to be tipped over when the shell 12 is tilted relative to the base 11, such that the requirement for the weight of the counterweight block 40 is not high, which improves the rationality of the design and reduces the cost.

[0060] As shown in FIGS. 3 and 4, in addition to the characteristics of the above embodiments, it is further defined in the present embodiment that: the air heating device 20 includes an air duct housing 21, a heating element 22 and a fan assembly 23; the heating element 22 is located in the air duct housing 21; and the air duct housing 21 and the fan assembly 23 are horizontally distributed in the shell 12.

[0061] It is further defined in the above embodiments that: since the heating element 22 is mounted in the air duct housing 21, the air duct housing 21 and the fan assembly 23 are horizontally distributed in the shell 12, and the junction between the shell 12 and the base 11 is close to the center of gravity of the air heating device 20, the counterweight block 40 almost only needs to overcome an acting force caused by the gravity of the top control device 30, which causes the counterweight-mounted pitch electric heater to be tipped over when the shell 12 is tilted relative to the base 11, such that the requirement for the weight of the counterweight block 40 is not high, which improves the rationality of the design and reduces the cost.

[0062] After the heating element 22 is powered on, the airflow entering the air duct housing 21 can be heated, so that the airflow coming out of the air duct housing 21 has a heating effect on the users. For example, the heating element 22 may be a PTC. The fan assembly 23 is a blower structure. The blower is mounted on the air duct housing 21, and an air outlet end of the blower is opposite to an air inlet end of the air duct housing 21.

[0063] As shown in FIGS. 2 and 3, in addition to the characteristics of the above embodiments, it is further defined in the present embodiment that: the control device 30 includes a human-computer interaction module 31 and a control circuit board 32; the control circuit board 32 is electrically connected to the human-computer interaction module 31 and the air heating device 20, respectively; and the human-computer interaction module 31 and the control circuit board 32 are both distributed on the top of the shell 12.

[0064] It is further defined in the above embodiments that: the human-computer interaction module 31 and the control circuit board 32 are both distributed on the top of the shell 12, which prevents the user from crouching down or bending down as much as possible during operation. In addition, the air outlet of the counterweight-mounted pitch electric heater is arranged in the middle of the shell 12, which avoids the impact of the hot airflow discharged from the air outlet on the human-computer interaction module 31 and the control circuit.

[0065] The human-computer interaction module 31 may be used to receive user instructions and display current working information of the counterweight-mounted pitch electric heater. The control circuit board 32 may receive the input user instructions to output a control signal, so as to control the driving assembly in the air heating device 20 or base 11 that is used to drive the fixed bracket 112 to rotate horizontally. Exemplarily, the human-computer interaction module 31 may input user instructions through buttons, voice, a touch screen, etc. The human-computer interaction module 31 and the control circuit board 32 are mounted on the top of the shell 12, which is not only convenient for the user to operate and observe, but also keeps the human-computer interaction module 31 and the control circuit board 32 away from the air outlet, thereby avoiding long-term exposure to a high-temperature environment.

[0066] As shown in FIGS. 1 to 2, in addition to the characteristics of the above embodiments, it is further defined in the present embodiment that: the housing assembly 10 further includes a lifting handle 13, which is arranged on the top of the shell 12.

[0067] It is further defined in the above embodiments that: the lifting handle 13 is mounted at the top of the shell 12. Based on the above design, taking into account the convenience of users in use, the counterweight-mounted pitch electric heater of the present application can be easily moved to other positions as needed, thereby providing a more flexible way of use.

[0068] A shown in FIG. 3, in addition to the characteristics of the above embodiments, it is further defined in the present embodiment that: an anti-tipping sensor 50 is further included, wherein the anti-tipping sensor 50 is arranged on the base 11, and the anti-tipping sensor 50 is electrically connected to the control device 30.

[0069] It is further defined in the above embodiments that: an anti-tipping sensor 50 is arranged on the base 11 to detect a tilt angle of the electric heater in real time. When the tilt angle of the air heating device exceeds a set threshold, the sensor may trigger a power-off mechanism to immediately cut off a power supply, thereby preventing the electric heater from continuing to operate and avoiding safety accidents caused by tipping over.

[0070] The anti-tipping sensor 50 may be used to detect if the electric heater has been tipped over or turned over, thereby automatically cutting off the power supply. Specifically, the anti-tipping sensor 50 may be a photoelectric tipping switch. This photoelectric tipping switch is implemented by making use of optical principles and detecting changes about whether a main body of the electric heater is in a normal state. The angle change of the main body of the electric heater will cause small beads inside the switch to roll, create contact with a metal terminal or change a route of light travel, resulting in the effect of conduction or non-conduction, and controlling the connection or disconnection of the circuit.

[0071] Technical features of the foregoing embodiments may be randomly combined. To make description concise, not all possible combinations of the technical features in the foregoing embodiments are described. However, the combinations of these technical features shall be considered as falling within the scope recorded by this specification provided that no conflict exists.

[0072] The foregoing embodiments only describe several implementations of the present application, which are described specifically and in detail, but cannot be construed as a limitation to the patent scope of the present application. It should be noted that for a person of ordinary skill in the art, several transformations and improvements can be made without departing from the idea of this application. These transformations and improvements belong to the protection scope of this application. Therefore, the protection scope of the patent of the present utility model shall be subject to the appended claims.

Claims

1. A counterweight-mounted pitch electric heater, comprising a housing assembly (10), an air heating device (20), a control device (30) and a counterweight block (40), whereinthe housing assembly (10) comprises a base (11) and a shell (12), wherein the shell (12) is provided with an air inlet and an air outlet, and the shell (12) is arranged on the base (11) in a manner of turning over up and down;the control device (30), the air heating device (20) and the counterweight block (40) are mounted on the shell (12) from top to bottom;a junction between the base (11) and the shell (12) is adjacent to the air heating device (20); andthe counterweight block (40) is configured to raise the center of gravity at the bottom of the shell (12), so that the base (11) is kept to stand when the shell (12) is tilted relative to the base (11).

2. The counterweight-mounted pitch electric heater according to claim 1, wherein the base (11) comprises a base plate (111) and a fixed bracket (112), the fixed bracket (112) is arranged on the base plate (111), and the shell (12) is rotatably connected to the fixed bracket (112).

3. The counterweight-mounted pitch electric heater according to claim 2, wherein the fixed bracket (112) is U-shaped.

4. The counterweight-mounted pitch electric heater according to claim 2, wherein the fixed bracket (112) is rotatably connected to the base (11).

5. The counterweight-mounted pitch electric heater according to claim 2, wherein a rotary limiting structure is arranged between the base (11) and the shell (12), and the rotary limiting structure is configured to limit a tilt angle of the shell (12) relative to the base (11).

6. The counterweight-mounted pitch electric heater according to claim 1, wherein the shell (12) is strip-shaped.

7. The counterweight-mounted pitch electric heater according to claim 1, wherein the air heating device (20) comprises an air duct housing (21), a heating element (22) and a fan assembly (23); the heating element (22) is located in the air duct housing (21); and the air duct housing (21) and the fan assembly (23) are horizontally distributed in the shell (12).

8. The counterweight-mounted pitch electric heater according to claim 1, wherein the control device (30) comprises a human-computer interaction module (31) and a control circuit board (32); the control circuit board (32) is electrically connected to the human-computer interaction module (31) and the air heating device (20), respectively; and the human-computer interaction module (31) and the control circuit board (32) are both distributed on the top of the shell (12).

9. The counterweight-mounted pitch electric heater according to claim 1, wherein the housing assembly (10) further comprises a lifting handle (13), and the lifting handle (13) is arranged on the top of the shell (12).

10. The counterweight-mounted pitch electric heater according to claim 1, further comprising an anti-tipping sensor (50), wherein the anti-tipping sensor (50) is arranged on the base (11), and the anti-tipping sensor (50) is electrically connected to the control device (30).

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