Alarm electronic module

Abstract

The utility model discloses an alarm electronic module, and relates to the technical field of alarm electronic modules. The electronic alarm module comprises an electronic alarm module body, the electronic alarm module body is connected with an air supply motor and a PTC heater, the electronic alarm module body comprises a buzzer, and the buzzer is connected with the PTC heater and the air supply motor; a first diode and a second diode are connected in series between the buzzer and the PTC heater, a third diode, a first resistor and a second resistor are connected in series between the buzzer and the air supply motor, and a voltage-regulator tube and a capacitor are connected in parallel between the PTC heater and the air supply motor. The utility model designs a novel circuit which is arranged in the air-heating bath heater, and when the motor fails and the heating block is independently dry-burnt, the buzzer on the circuit board makes a continuous sound and alarms to remind a user of a fault and cut off a hidden danger source in advance.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of alarm electronic module, concretely relates to an alarm electronic module. BACKGROUND

[0002] The integrated ceiling wind warm type bath heater is a kind of electric appliance with motor and heating block combination application.The principle is that heating block generates heat, and fan pushes heat out of air outlet.In market application, there is motor failure, when opening the heating function, heating block dry burning continues to heat, and it is easy to produce the hidden danger of burning electric appliance.

[0003] Therefore, the utility model is provided. CONTENT OF UTILITY MODEL

[0004] The utility model solves the technical problem to overcome the insufficient of prior art, provide a kind of alarm electronic module, solve the problem in the background art described above.

[0005] To solve the above technical problems, the basic concept of the technical scheme of the utility model is:

[0006] A kind of alarm electronic module, including: electronic alarm module body, electronic alarm module body is connected with air supply motor and PTC heater, electronic alarm module body includes: buzzer, buzzer is connected with PTC heater, air supply motor;

[0007] Buzzer and PTC heater are connected with first diode and second diode, and buzzer and air supply motor are connected with third diode, first resistor and second resistor, and PTC heater and air supply motor are connected with voltage stabilizing tube and capacitor in parallel.

[0008] Optionally, PTC heater is provided with power supply fire line, power supply fire line is connected with first diode, first diode is connected with second diode, and second diode is connected with buzzer.

[0009] Optionally, air supply motor is provided with capacitor lead-out wire, capacitor lead-out wire is connected with third diode, third diode is connected with first resistor, first resistor is connected with second resistor, and second resistor is connected with buzzer, wherein, first resistor and second resistor are connected with zero line in parallel.

[0010] Optionally, voltage stabilizing tube is connected with second diode and second resistor.

[0011] Optionally, capacitor is rectifier capacitor, and rectifier capacitor is connected with second diode and second resistor.

[0012] After adopting the above technical scheme, the utility model has the following beneficial effects compared with prior art, of course, any product of the utility model does not necessarily need to achieve all the advantages described below:

[0013] The utility model discloses a novel circuit is installed in the inside of the air -warming type bath heater, when encountering motor failure, the situation of the heating block independent dry -burning, the buzzer on the circuit board sends the continuous sound, and the alarm prompts the user failure, and cuts off the source of hidden danger in advance.

[0014] The specific embodiments of the utility model will be described in further detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings in the following description are only some embodiments, and other drawings can be obtained according to these drawings without the premise of creative labor for ordinary skilled person in the art.

[0016] In the drawings:

[0017] Fig. 1 It is application scenario schematic diagram;

[0018] Fig. 2 It is alarm electronic module body circuit diagram.

[0019] In the drawings, the component list represented by each sign is as follows:

[0020] Electronic alarm module body 1, air supply motor 2, PTC heater 3, buzzer 4, first diode 5, second diode 6, third diode 7, first resistance 8, second resistance 9, voltage stabilizing tube 10, capacitor 11, power supply firewire 12, capacitor lead wire 13, zero line 14.

[0021] It should be noted that these drawings and textual descriptions do not aim to limit the concept range of the utility model in any way, but illustrate the concept of the utility model for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0022] The utility model will be described in further detail now in combination with the drawings.

[0023] Please refer to Figs. 1-2 As shown in the figure, an alarm electronic module is provided in the embodiment, which comprises: an electronic alarm module body 1, the electronic alarm module body 1 is connected with an air supply motor 2 and a PTC heater 3, and the electronic alarm module body 1 comprises: a buzzer 4, the buzzer 4 is connected with the PTC heater 3 and the air supply motor 2.

[0024] The first diode 5 and the second diode 6 are connected in series between the buzzer 4 and the PTC heater 3, the third diode 7, the first resistance 8 and the second resistance 9 are connected in series between the buzzer 4 and the air supply motor 2, and the voltage stabilizing tube 10 and the capacitor 11 are connected in parallel between the PTC heater 3 and the air supply motor 2.

[0025] The utility model discloses a novel circuit is installed in the inside of the air -warming type bath heater, when encountering motor failure, the situation of heating block single dry burning, the buzzer 4 on the circuit board sends the continuous sound, and the alarm prompts the user failure, and cuts off the source of hidden danger in advance.

[0026] As Fig. 2 The PTC heater 3 of the embodiment is provided with a power supply live wire 12, the power supply live wire 12 is connected with the first diode 5, the first diode 5 is connected with the second diode 6, and the second diode 6 is connected with the buzzer 4.

[0027] As Fig. 2 The air supply motor 2 of the embodiment is provided with a capacitor lead-out wire 13, the capacitor lead-out wire 13 is connected with the third diode 7, the third diode 7 is connected with the first resistor 8, the first resistor 8 is connected with the second resistor 9, the second resistor 9 is connected with the buzzer 4, and the first resistor 8 and the second resistor 9 are connected with the zero line 14 in parallel.

[0028] As Fig. 2 The voltage stabilizing tube 10 of the embodiment is connected with the second diode 6 and the second resistor 9.

[0029] As Fig. 2 The capacitor 11 of the embodiment is a rectifier capacitor, and the rectifier capacitor is connected with the second diode 6 and the second resistor 9.

[0030] The application of one aspect of the embodiment is:

[0031] In the normal mode, the PTC heater warms and heats output (QNL), and the live wire L (AC220V) is turned on, and the air supply motor output (SFL) is also turned on the live wire L (AC220V);

[0032] During the positive cycle of alternating current, the current passes through the capacitor lead-out wire 13 of the air supply motor 2, passes through the third diode 7, and then passes through the first resistor 8 and the second resistor 9 to the zero line 14, and during the negative cycle of alternating current, the current is cut off by the third diode 7 and the first diode 5 and the second diode 6, and no current is generated.

[0033] In this mode, no voltage is formed between the two ends of the capacitor 11, and the buzzer 4 does not emit sound;

[0034] The air supply motor has no output in the abnormal mode, and the PTC heater has output to form an alarm mode:

[0035] When only the PTC heater live wire 12 output voltage, during the positive cycle of alternating current, the current passes through the first diode 5 and the second diode 6, then the current passes through the internal resistance of the buzzer 4, and then passes through the first resistor 8 and the second resistor 9 to the zero line 14. At this time, the buzzer 4 continuously emits sound.

[0036] Wherein, the first resistor 8 and the second resistor 9 are current limiting resistors, the capacitor 11 is a rectifier capacitor, forming a relatively flat voltage across the buzzer 4. The voltage stabilizing tube 10 is a clamping voltage.

[0037] During the negative cycle of alternating current, the third diode 7 is cut off with the first diode 5 and the second diode 6, and no current is generated. It should be noted that all the electrical equipment involved in the present application can be powered by a battery or an external power supply.

[0038] The utility model is not limited to the above-mentioned embodiment, any person should know the structural change made under the inspiration of the utility model, any technical scheme with the same or similar to the utility model falls into the protection scope of the utility model. The utility model is not described in detail, and the technical, shape, structure part is a known technology.

Claims

1. An alarm electronics module comprising: The utility model provides an electronic alarm module body (1), electronic alarm module body (1) is connected with air supply motor (2) and PTC heater (3), its characterized in be that electronic alarm module body (1) includes: buzzer (4), buzzer (4) is connected with PTC heater (3), air supply motor (2), Buzzer (4) and PTC heater (3) between series connection have first diode (5) and second diode (6), and buzzer (4) and air supply motor (2) between series connection have third diode (7), first resistance (8) and second resistance (9), and PTC heater (3) and air supply motor (2) between parallel connection have stabilivolt (10) and capacitor (11).

2. The alarm electronic module according to claim 1, characterized in that PTC heater (3) is equipped with power supply fire line (12), and power supply fire line (12) is connected with first diode (5), and first diode (5) is connected with second diode (6), and second diode (6) is connected with buzzer (4).

3. The alarm electronic module of claim 1, wherein, Air supply motor (2) is equipped with capacitor lead-out wire (13), and capacitor lead-out wire (13) is connected with third diode (7), and third diode (7) is connected with first resistance (8), and first resistance (8) is connected with second resistance (9), and second resistance (9) is connected with buzzer (4), wherein, first resistance (8) and second resistance (9) parallel and are connected with zero line (14).

4. The alarm electronic module of claim 1, wherein, Stabilivolt (10) is connected with second diode (6) and second resistance (9).

5. The alarm electronic module of claim 1, wherein, Capacitor (11) is rectifier capacitor, and rectifier capacitor is connected with second diode (6) and second resistance (9).

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