Charging structure of hot-water bag

Abstract

The utility model discloses a hot-water bag charging structure, which is characterized in that a heating circuit is arranged in a hot-water bag main body, a control circuit is arranged in a hot-water bag charger, the heating circuit is connected with the control circuit to form a charging loop, the charging loop comprises a starting switch, and the starting switch controls the starting and stopping of the charging loop to control the heating of the hot-water bag main body. The heating circuit comprises an electric heating tube and a relay, and the relay is connected in series with the electric heating tube and then is connected with commercial power to form a charging loop. Compared with the prior art, the utility model has the beneficial effects that the structure is simple, the temperature controller is adopted to control the automatic power-off after the set temperature is reached, and the anti-explosion function can be realized by adopting the microswitch. Charging can be controlled only by starting the switch, repeated circulation heating cannot be caused, and higher safety is achieved.

Description

Technical Field

[0001] The utility model relates to the field of hot water bag charging, and specifically designs a hot water bag charging structure. Background Art

[0002] In daily life, electric hot water bottles are becoming more and more popular because of their convenience and high efficiency, stability and uniformity in heating performance. However, with the improvement of people's quality of life, the safety of daily necessities such as hot water bottles has become a focus of people's attention. However, most existing hot water bottles are heated at a constant temperature. Once the set temperature is reached, the power is cut off, but it will continue to heat below a certain temperature, which will lead to energy waste and safety hazards such as continuous power supply. Therefore, it is very important to obtain a hot water bottle charging structure that overcomes the above defects. Utility Model Content

[0003] In order to solve at least one of the above technical problems, the utility model provides a hot water bag charging structure, the hot water bag body has a built-in heating circuit, the hot water bag charger has a built-in control circuit, the heating circuit is connected to the control circuit to form a charging circuit, including a starting switch, the starting switch controls the start and stop of the charging circuit to control the heating of the hot water bag body.

[0004] The heating circuit includes an electric heating tube and a relay. The relay is connected in series with the electric heating tube and then connected to the mains to form a charging circuit.

[0005] The control circuit includes a control chip, the start switch is connected to the input end of the control chip, and the start switch is pressed to control whether to heat the hot water bag body. It also includes a transistor, the collector of the transistor is connected to the relay, and the base is connected to the control chip.

[0006] It also includes a temperature controller, which connects the chip and the electric heating tube.

[0007] It also includes a micro switch, which is connected in series with the electric heating tube.

[0008] It also includes a temperature fuse, which is connected in series with the electric heating tube.

[0009] Also includes a buzzer, the buzzer is connected to the output end of the control chip to emit different frequencies of sound according to different working states;

[0010] When the charger is fully inserted into the bag and connected to the power supply, the buzzer will emit a "beep" sound and the indicator light will flash, indicating that it is in standby mode, but there is no power for heating at this time.

[0011] To turn on the hot water bag for heating, you must press the start touch button on the charger. Press it once to start. The buzzer will emit a "beep" sound, and the indicator light will be on, and the hot water bag will heat normally.

[0012] It also includes an indicator light, which is connected to the output end of the control chip, and the charging indicator light is on when the hot water bag body is in a charging state, but is off when it is not charged;

[0013] When charging is complete, the buzzer will emit three "beep, beep, beep" sounds and the indicator light will go out;

[0014] If the user does not separate the hot water bag charger from the hot water bag body, and waits for the hot water bag body to cool naturally until the thermostat resets, the buzzer will emit a "beep" sound, and the indicator light will flash in the standby state, but the hot water bag body is not powered on at this time, indicating that charging is complete, but the hot water bag body is not separated from the charger;

[0015] After the user separates the hot water bag body from the hot water bag charger, the hot water bag charger is still connected to the power supply, and the charger indicator light is off.

[0016] The start switch is arranged on the charging head of the hot water bag charger; the start switch is a touch button.

[0017] The alarm sound mode and indicator light indication status of the above buzzer can be selected according to your own needs.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the utility model has a simple structure, adopts a thermostat to control automatic power off after reaching a set temperature, and adopts a micro switch to achieve an explosion-proof function.

[0019] The charging of the utility model can only be controlled by starting the switch, which will not cause repeated heating cycles and is safer. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is the circuit diagram of the utility model;

[0021] Figure 2 This is a functional step diagram of the utility model;

[0022] Reference numerals:

[0023] S1 micro switch; F1 temperature fuse; RL electric heating tube; S2 thermostat; Q4 transistor; KEY1 switch; U4 control chip; LS1 buzzer; K1 relay; LED indicator light. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the present invention and to more clearly define the scope of protection claimed by the present invention, the present invention is described in detail below with respect to certain specific embodiments of the present invention. It should be noted that the following are only certain specific implementation methods of the present invention, which are only part of the embodiments of the present invention, and the specific and direct description of the relevant structures is only for the convenience of understanding the present invention, and the specific features do not naturally and directly limit the scope of implementation of the present invention.

[0025] Referring to the accompanying drawings, the utility model adopts the following technical solution: a hot water bag charging structure, a hot water bag body having a built-in heating circuit, a hot water bag charger having a built-in control circuit, the heating circuit being connected to the control circuit to form a charging circuit, including a starting switch, the starting switch controlling the start and stop of the charging circuit to control the heating of the hot water bag body.

[0026] The heating circuit includes an electric heating tube and a relay. The relay is connected in series with the electric heating tube and then connected to the mains to form a charging circuit.

[0027] The control circuit includes a control chip, the start switch is connected to the input end of the control chip, and the start switch is pressed to control whether to heat the hot water bag body. It also includes a transistor, the collector of the transistor is connected to the relay, and the base is connected to the control chip.

[0028] It also includes a temperature controller, which connects the chip and the electric heating tube.

[0029] It also includes a micro switch, which is connected in series with the electric heating tube.

[0030] It also includes a temperature fuse, which is connected in series with the electric heating tube.

[0031] Also includes a buzzer, the buzzer is connected to the output end of the control chip to emit different frequencies of sound according to different working states;

[0032] When the charger is fully inserted into the bag and connected to the power supply, the buzzer will emit a "beep" sound and the indicator light will flash, indicating that it is in standby mode, but there is no power for heating at this time.

[0033] To turn on the hot water bag for heating, you must press the start touch button on the charger. Press it once to start. The buzzer will emit a "beep" sound, and the indicator light will be on, and the hot water bag will heat normally.

[0034] It also includes an indicator light, which is connected to the output end of the control chip, and the charging indicator light is on when the hot water bag body is in a charging state, but is off when it is not charged;

[0035] When charging is complete, the buzzer will emit three "beep, beep, beep" sounds and the indicator light will go out;

[0036] If the user does not separate the hot water bag charger from the hot water bag body, and waits for the hot water bag body to cool naturally until the thermostat resets, the buzzer will emit a "beep" sound, and the indicator light will flash in the standby state, but the hot water bag body is not powered on at this time, indicating that charging is complete, but the hot water bag body is not separated from the charger;

[0037] After the user separates the hot water bag body from the hot water bag charger, the hot water bag charger is still connected to the power supply, and the charger indicator light is off.

[0038] The start switch is arranged on the charging head of the hot water bag charger; the start switch is a touch button.

[0039] The alarm sound mode and indicator light indication status of the above buzzer can be selected according to your own needs.

[0040] Compared with the prior art, the utility model has the following beneficial effects: the utility model has a simple structure, adopts a thermostat to control automatic power off after reaching a set temperature, and adopts a micro switch to achieve an explosion-proof function.

[0041] The charging of the utility model can only be controlled by starting the switch, which will not cause repeated heating cycles and is safer.

[0042] The model of the above control chip may be PIC12F615, and other control chips may also be selected according to actual needs.

[0043] The micro switch in the control circuit is installed on the hot water bag charger of the existing structure in the existing way, and the indicator light and the buzzer are both installed on the hot water bag charger.

[0044] The above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the protection scope of the present invention.

Claims

1. A hot water bag charging structure, wherein the hot water bag body has a built-in heating circuit, the hot water bag charger has a built-in control circuit, and the heating circuit is connected to the control circuit to form a charging loop, characterized in that: The invention comprises a start switch (KEY1), which controls the start and stop of the charging circuit to control the heating of the hot water bag body; the heating circuit comprises an electric heating tube (RL), and also comprises a relay (K1), and the relay (K1) is connected in series with the electric heating tube (RL) and then connected to the mains to form a charging circuit; and also comprises a transistor (Q4), the collector of the transistor (Q4) is connected to the relay (K1), and the base is connected to the control chip (U4).

2. The hot water bag charging structure according to claim 1, characterized in that: The control circuit comprises a control chip (U4), the start switch (KEY1) is connected to the input end of the control chip (U4), and the start switch (KEY1) is pressed to control whether to heat the hot water bag body.

3. The hot water bag charging structure according to claim 2, characterized in that: It also includes a temperature controller (S2), wherein the temperature controller (S2) is connected to the chip and the electric heating tube (RL).

4. The hot water bag charging structure according to claim 2, characterized in that: It also includes a micro switch (S1), wherein the micro switch (S1) is connected in series with the electric heating tube (RL).

5. The hot water bag charging structure according to claim 2, characterized in that: It also includes a temperature fuse (F1), which is connected in series with the electric heating tube (RL).

6. The hot water bag charging structure according to claim 3, characterized in that: It also includes a buzzer (LS1), which is connected to the output end of the control chip (U4) to emit different frequencies of sound according to different working states.

7. The hot water bag charging structure according to claim 6, characterized in that: It also includes an indicator light (LED), which is connected to the output end of the control chip (U4).

8. The hot water bag charging structure according to claim 2, characterized in that: The start switch (KEY1) is arranged on the charging head of the hot water bag charger; the start switch (KEY1) is a touch button.

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