PTC heater over-temperature automatic power-off safety protection device

Abstract

The utility model discloses PTC heater overtemperature automatic power-off safety protection device, specifically relates to PTC heater protection field, including collection box and water collecting plate, the upper end surface equidistance fixed mounting of collection box has a plurality of temperature sensor, the upper end surface equidistance fixed communication of collection box has a plurality of protective sheaths. The utility model discloses through setting temperature sensor, opening and closing device, first wireless control switch, second wireless control switch etc. device, through temperature sensor and first wireless control switch and second wireless control switch cooperation constitute the power-off protection mechanism, can automatic cut off power in PTC heater overtemperature moment, from the root, prevent the fire, component burnout etc. safety hidden danger caused by overheating, simultaneously, the water circulation heat dissipation of second wireless control switch control electromagnet and strong magnet trigger can start quickly after power failure, utilize the water flow circulation and take away the afterheat, avoid the heater secondary temperature rise, and double protection significantly improves equipment use safety and stability.

Description

Technical Field

[0001] This utility model relates to the field of PTC heater protection, and more specifically, to a safety protection device for automatic power-off when a PTC heater overheats. Background Technology

[0002] PTC heaters are widely used in home appliances, automobiles, industrial equipment and other fields due to their advantages such as automatic temperature control and safety and reliability. However, in actual use, PTC heaters are at risk of overheating due to factors such as environmental changes, load fluctuations or equipment failures.

[0003] During the heating process of PTC heaters, overheating often occurs due to temperature runaway, which can damage the heater or even cause safety accidents such as fires. Traditional devices lack effective overheating power-off and subsequent heat dissipation treatment, which cannot guarantee the safe and stable operation of the equipment.

[0004] Therefore, it is necessary to redesign the automatic over-temperature power-off safety protection device for PTC heaters to address the aforementioned issues. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the embodiments of this utility model provide an automatic power-off safety protection device for PTC heaters overheating.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] The PTC heater overheat automatic power-off safety protection device includes a collection tank and a water collection plate. Multiple temperature sensors are fixedly installed at equal intervals on the upper surface of the collection tank. Multiple protective sleeves are fixedly connected at equal intervals on the upper surface of the collection tank, and the ends of the protective sleeves furthest from the collection tank are respectively connected to the water collection plate. A PTC heater is fixedly installed inside each protective sleeve, and a first wireless control switch is fixedly installed on each PTC heater. A water tank is fixedly installed on the upper surface of the water collection plate. A second wireless control switch is fixedly installed on one side of the water tank, and an electromagnet is provided on one side of the second wireless control switch. A mounting bracket is fixedly installed on one side of the water collection plate, and a water pump is fixedly installed on the mounting bracket, with the water pump connected to the water tank. A water outlet pipe is connected between the water pump and the water collection plate. A water pump control switch is provided on the mounting bracket, and an opening and closing device is fixedly installed on one side of the mounting bracket.

[0008] In a preferred embodiment, the opening and closing device includes a fixing frame, which is fixedly installed on one side of the mounting frame. Two guide rods are symmetrically fixedly installed on the fixing frame, and a strong magnet is slidably sleeved between the two guide rods.

[0009] In a preferred embodiment, each of the protective sleeves is made of copper.

[0010] In a preferred embodiment, a water inlet pipe is fixedly connected to the upper end face of the water tank.

[0011] In a preferred embodiment, the collection tank and the water tank are connected by a return water pipe.

[0012] In a preferred embodiment, the centerline of the strong magnet and the centerline of the electromagnet are the same straight line.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] This invention incorporates a temperature sensor, an on / off device, a first wireless control switch, and a second wireless control switch. The power-off protection mechanism, formed by the temperature sensor and the first and second wireless control switches, automatically cuts off the power supply the PTC heater upon overheating, eliminating potential safety hazards such as fires and component burnout caused by overheating. Simultaneously, the second wireless control switch controls a water circulation cooling system triggered by an electromagnet and a strong magnet, which can be quickly activated after a power outage. The circulating water removes residual heat, preventing the heater from overheating again. This dual protection significantly enhances the safety and stability of the equipment. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the automatic power-off safety protection device for PTC heater overheating proposed in this utility model;

[0016] Figure 2 This is a schematic diagram of the temperature sensor portion of the PTC heater overheat automatic power-off safety protection device proposed in this utility model;

[0017] Figure 3 This is a schematic diagram of the water tank portion of the PTC heater overheat automatic power-off safety protection device proposed in this utility model;

[0018] Figure 4 This is a schematic diagram of the water pump section of the PTC heater overheat automatic power-off safety protection device proposed in this utility model;

[0019] Figure 5 This is a schematic diagram of the mounting bracket for the automatic power-off safety protection device for PTC heaters overheating proposed in this utility model;

[0020] Figure 6 This is a schematic diagram of the opening and closing device of the automatic power-off safety protection device for PTC heater overheating proposed in this utility model.

[0021] In the diagram: 1. Collection box; 2. Water collection plate; 3. Water tank; 4. Water inlet pipe; 5. Water return pipe; 6. Temperature sensor; 7. Protective cover; 8. PTC heater; 9. First wireless control switch; 10. Mounting bracket; 11. Water pump; 12. Water outlet pipe; 13. Fixing bracket; 14. Second wireless control switch; 15. Electromagnet; 16. Water pump control switch; 17. Guide rod; 18. Strong magnet. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Reference Figure 1-6 The PTC heater overheat automatic power-off safety protection device includes a collection box 1 and a water collection plate 2. Multiple temperature sensors 6 are fixedly installed at equal intervals on the upper surface of the collection box 1. Multiple protective sleeves 7 are fixedly connected at equal intervals on the upper surface of the collection box 1, and the ends of the multiple protective sleeves 7 away from the collection box 1 are respectively connected to the water collection plate 2. A PTC heater 8 is fixedly installed inside each protective sleeve 7. A first wireless control switch 9 is fixedly installed on each PTC heater 8. A water tank 3 is fixedly installed on the upper surface of the water collection plate 2. A second wireless control switch 14 is fixedly installed on one side of the water tank 3. An electromagnet 15 is provided on one side of the second wireless control switch 14. A mounting bracket 10 is fixedly installed on one side of the water collection plate 2. A water pump 11 is fixedly installed on the mounting bracket 10 and is connected to the water tank 3. A water outlet pipe 12 is connected between the water pump 11 and the water collection plate 2. A water pump control switch 16 is provided on the mounting bracket 10. An opening and closing device is fixedly installed on one side of the mounting bracket 10.

[0024] The opening and closing device includes a fixed frame 13, which is fixedly installed on one side of the mounting frame 10. Two guide rods 17 are symmetrically fixedly installed on the fixed frame 13, and a strong magnet 18 is slidably sleeved between the two guide rods 17.

[0025] Each protective sleeve 7 is made of copper, which has good thermal conductivity and can quickly conduct the heat generated by the PTC heater 8 away, improving heat dissipation efficiency. Combined with the water circulation system, it can better ensure that the PTC heater 8 is cooled down.

[0026] A water inlet pipe 4 is fixedly connected to the upper end of the water tank 3, through which cooling water can be added to the water tank 3.

[0027] The collection tank 1 and the water tank 3 are connected by a return water pipe 5, which can be used to circulate the water in the collection tank 1 to the water tank 3.

[0028] The center line of the strong magnet 18 and the center line of the electromagnet 15 are the same straight line. When the electromagnet 15 is energized and generates a magnetic field, the magnetic force applied to the strong magnet 18 is accurate and concentrated, allowing the strong magnet 18 to slide on the guide rod 17 in a predetermined direction. This avoids the strong magnet 18 from sliding poorly or failing to accurately trigger the water pump control switch 16 on the mounting bracket 10 due to deviation in the direction of the magnetic force.

[0029] When this utility model is used, multiple temperature sensors 6 are installed on the upper surface of the collection box 1. These temperature sensors 6 are equidistantly distributed and their function is to monitor the temperature of the PTC heater 8 inside each protective sleeve 7 in real time. Since the temperature sensors 6 are close to the PTC heater 8, the actual working temperature of the PTC heater 8 can be detected more accurately.

[0030] Each protective sleeve 7 is fitted with a PTC heater 8, and each PTC heater 8 is equipped with a first wireless control switch 9. When the temperature sensor 6 detects that the temperature of the PTC heater 8 exceeds the set safe temperature value, it will convert the temperature signal into an electrical signal and transmit it to the corresponding first wireless control switch 9 via wireless communication. After receiving the signal, the first wireless control switch 9 will automatically cut off the power supply to the PTC heater 8, thereby preventing the PTC heater 8 from being damaged due to overheating or causing a safety accident.

[0031] A water tank 3 is fixedly installed on the upper surface of the water collection plate 2. The water tank 3 is connected to the collection tank 1 through the return water pipe 5, forming a water circulation system. A second wireless control switch 14 is installed on one side of the water tank 3. The water tank 3 is connected to the water pump 11 through a pipe. The water pump 11 is connected to the water collection plate 2 through the outlet water pipe 12. When the temperature sensor 6 detects an over-temperature condition and triggers the first wireless control switch 9 to cut off the power, it will also transmit a signal to the second wireless control switch 14. When the second wireless control switch 14 receives the over-temperature signal, it will control... When electromagnet 15 is energized, its opposite pole is activated. At this time, strong magnet 18 and electromagnet 15 are attracted to each other. Strong magnet 18 will slide on guide rod 17. The sliding of strong magnet 18 will trigger water pump control switch 16 on mounting bracket 10, causing water pump 11 to start. After water pump 11 starts, water in water tank 3 is transported to water collection plate 2 through water outlet pipe 12, and then water in water collection plate 2 is sent back to water tank 3 through water return pipe 5, realizing water circulation. This further enhances heat dissipation of PTC heater 8 and prevents PTC heater 8 from overheating and being damaged.

[0032] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A PTC heater overheat automatic power-off safety protection device, comprising a collection tank (1) and a water collection plate (2), characterized in that: Multiple temperature sensors (6) are fixedly installed at equal intervals on the upper surface of the collection box (1). Multiple protective sleeves (7) are fixedly connected at equal intervals on the upper surface of the collection box (1), and the ends of the multiple protective sleeves (7) away from the collection box (1) are respectively connected to the water collection plate (2). A PTC heater (8) is fixedly installed inside each of the protective sleeves (7), and a first wireless control switch (9) is fixedly installed on each of the PTC heaters (8). A water tank (3) is fixedly installed on the upper surface of the water collection plate (2), and one side of the water tank (3) A second wireless control switch (14) is fixedly installed. An electromagnet (15) is provided on one side of the second wireless control switch (14). A mounting bracket (10) is fixedly installed on one side of the water collection plate (2). A water pump (11) is fixedly installed on the mounting bracket (10) and the water pump (11) is connected to the water tank (3). A water outlet pipe (12) is connected between the water pump (11) and the water collection plate (2). A water pump control switch (16) is provided on the mounting bracket (10). An opening and closing device is fixedly installed on one side of the mounting bracket (10).

2. The PTC heater overheat automatic power-off safety protection device according to claim 1, characterized in that: The opening and closing device includes a fixed frame (13), and the fixed frame (13) is fixedly installed on one side of the mounting frame (10). Two guide rods (17) are symmetrically fixedly installed on the fixed frame (13), and a strong magnet (18) is slidably sleeved between the two guide rods (17).

3. The PTC heater overheat automatic power-off safety protection device according to claim 1, characterized in that: Each of the protective sleeves (7) is made of copper.

4. The PTC heater overheat automatic power-off safety protection device according to claim 1, characterized in that: The upper end face of the water tank (3) is fixedly connected to a water supply pipe (4).

5. The PTC heater overheat automatic power-off safety protection device according to claim 1, characterized in that: The collection box (1) and the water tank (3) are connected by a return water pipe (5).

6. The PTC heater overheat automatic power-off safety protection device according to claim 2, characterized in that: The centerline of the strong magnet (18) and the centerline of the electromagnet (15) are the same straight line.

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