CN215897702U

CN215897702U - Delay control circuit of bathroom system

Info

Publication number: CN215897702U
Application number: CN202122159138.4U
Authority: CN
Inventors: 徐济国; 刘晓琴
Original assignee: Wenzhou Yuanye Electric Appliance Co ltd
Current assignee: Wenzhou Yuanye Electric Appliance Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-02-22
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a bathroom system delay control circuit which comprises a delay module, a live wire terminal and a motor, wherein the input end of the delay module is connected to the live wire terminal, the output end of the delay module is connected to the motor, the motor is also connected to a zero line, a node connected with the motor and the delay module is also connected to the live wire terminal through a switch, when the switch is switched from on to off, the delay module controls the live wire terminal to be powered on to the motor temporarily, and the live wire terminal is switched off after delay. The utility model can reduce the use of conducting strips, does not need to be additionally provided with control pins and has one less connecting port.

Description

Delay control circuit of bathroom system

Technical Field

The utility model relates to the technical field of bathroom switches, in particular to a bathroom system delay control circuit.

Background

General needs control heating installation and blowing in the bathroom switch, the heating installation generally need with blow in step, utilize the heating installation heating and send out steam through blowing, and then realize the heating, if blow also directly closed after the heating installation is closed, the ambient temperature that heating installation part then can appear is very high, leads to the shell of part to damage or equipment to damage easily, consequently generally keeps the blowing of dead time after closing the heating installation, means to blow and need delay to close.

Therefore, the utility model patent with the prior art Chinese patent application number of CN201710581756.3 discloses a bath heater control switch, and the scheme needs three time delay modules of pins, namely a power supply input pin, a control pin and an output pin; therefore this scheme relies on the control foot, and this control foot needs cooperate with the switch of heating installation, after the heating installation switch is closed, with signal of telecommunication transmission to control foot, then restart time delay module conveys the electric energy, and in fact in actual hardware arrangement, need a single conducting strip transmission signal of telecommunication for control foot, can increase the assembly degree of difficulty, consequently this control mode can bring increase in cost in fact, need be used to more conducting strips.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a bathroom system delay control circuit which can reduce the use of conducting strips, does not need to be additionally provided with control pins and is provided with one less connecting port.

In order to achieve the purpose, the utility model provides the following technical scheme: bathroom system time delay control circuit, including time delay module, live wire terminal and motor, the input of time delay module is connected to the live wire terminal, and the output is connected to the motor, the motor still is connected to the zero line, the node that motor and time delay module are connected still is connected to the live wire terminal through the switch, and when the switch switched off into by the closure, the time delay module control live wire terminal was temporarily switched on to the motor, and breaks off after the time delay.

As a further improvement of the utility model, the delay module comprises a switch unit and a charge and discharge unit, when the switch is turned off, a voltage difference exists between two ends of the charge and discharge unit, the charge is started, the switch unit is turned on, and the live wire terminal supplies power to the motor through the switch unit; when the energy storage of the charge and discharge unit reaches a threshold value, the switch unit is disconnected, and the live wire terminal stops supplying power to the single motor.

As a further improvement of the utility model, the switch unit comprises a rectifying circuit, a triode and a controlled silicon, the triode is electrically connected with the charging and discharging unit, the control end of the controlled silicon is electrically connected with the triode, the input end of the controlled silicon is connected to the rectifying circuit, the rectifying circuit is also connected to the live wire terminal, when the charging and discharging unit is charged, the triode controls the controlled silicon to be conducted, the controlled silicon outputs a rectifying power supply, and the motor is started after acquiring the rectifying power supply.

As a further improvement of the utility model, the charging and discharging unit comprises an energy storage element and a charging and discharging circuit, the charging and discharging circuit is connected to the rectifying circuit, the energy storage element is connected to the charging and discharging circuit and the triode, when the switch is turned on, the current in the rectifying circuit enters the energy storage element through the charging and discharging circuit, and simultaneously the triode is turned on to control the conduction of the silicon controlled rectifier until the energy storage element is charged to a threshold value; when the switch is closed, the electric energy of the energy storage element is consumed through the charging and discharging circuit.

As a further improvement of the utility model, the energy storage element is a capacitor.

As a further improvement of the utility model, a voltage dependent resistor is connected between the control end and the output end of the controllable silicon.

The utility model has the advantages that the triggering is realized through the cut-off and the passage of the delay module, so that the assembly of a control end is reduced, and the assembly of a product is more convenient.

Drawings

FIG. 1 is a schematic diagram of a circuit structure of a delay module according to the present invention;

FIG. 2 is a detailed structural diagram of the delay module according to the present invention;

FIG. 3 is a schematic diagram of a circuit module according to the present invention after installation;

fig. 4 is a schematic structural diagram of a specific delay module according to the present invention.

Reference numerals: 1. a delay module; 11. a switch unit; 111. a rectifying circuit; 112. a triode; 113. Silicon controlled rectifier; 12. a charge and discharge unit; 121. an energy storage element; 122. a charge and discharge circuit; 2. a fire wire terminal; 3. a motor; 4. a switch; 5. a voltage dependent resistor.

Detailed Description

The utility model will be further described in detail with reference to the following examples, which are given in the accompanying drawings.

As shown with reference to figures 1-4,

bathroom system time delay control circuit, including time delay module 1, live wire terminal 2 and motor 3, the input of time delay module 1 is connected to live wire terminal 2, and the output is connected to motor 3, motor 3 still is connected to the zero line, the node that motor 3 and time delay module 1 are connected still is connected to live wire terminal 2 through switch 4, and when switch 4 switched into the disconnection by the closure, time delay module 1 control live wire terminal 2 temporarily switched on to motor 3, and the disconnection after the time delay.

Delay module 1 in this scheme only has input and output, compares in prior art, has reduced the setting of trigger end, has consequently also reduced the assembly degree of difficulty, has reduced the cost of conducting strip copper spare.

Utilize live wire terminal 2 to obtain the live wire power, then insert this power into delay module 1, delay module 1 delays time in the in-process of charging, control motor 3 starts, concretely speaking, above-mentioned switch 4 is the switch 4 of control heating, the both ends of this switch 4 are connected respectively between the output of live wire terminal 2 and delay module 1, when switch 4 is closed, the voltage value at delay module 1 both ends is the same, delay module is out of work this moment, switch 4 is by closed switch to disconnection, the both ends of delay module produce the potential difference, delay module begins to work this moment, control live wire terminal 2 and temporarily to circular telegram to motor 3, carry out the disconnection after the time delay. The motor 3 is used as a blowing element and can supply hot air in cooperation with heating.

According to the scheme, the delay module is triggered by the cut-off and the passage, so that the assembly of the control end is reduced, and the assembly of a product is more convenient.

Specifically, the delay module comprises a switch unit 11 and a charge and discharge unit 12, when the switch 4 is turned off, a voltage difference exists between two ends of the charge and discharge unit 12, the charge is started, the switch unit 11 is turned on, and the live wire terminal 2 supplies power to the motor 3 through the switch unit 11; when the energy storage of the charge and discharge unit 12 reaches a threshold value, the switch unit 11 is turned off, and the live wire terminal 2 stops supplying power to the single motor 3.

In this scheme, the delay module specifically adopts switch unit 11 and charge-discharge unit 12 to constitute, and wherein charge-discharge unit 12 charges when there is the voltage difference at both ends, switches on switch unit 11 at the in-process that charges for the power can enter into motor 3, and then lets motor 3 work. When the charge of the charge and discharge unit 12 is full or reaches a threshold value, the switch unit 11 is turned off, thereby realizing the delayed power supply.

More specifically, the switch unit 11 includes a rectifying circuit 111, a triode 112, and a thyristor 113, the triode 112 is electrically connected to the charging and discharging unit 12, a control terminal of the thyristor 113 is electrically connected to the triode 112, an input terminal of the thyristor 113 is connected to the rectifying circuit 111, the rectifying circuit 111 is further connected to the live wire terminal 2, when the charging and discharging unit 12 is charged, the triode 112 controls the thyristor 113 to be turned on, the thyristor 113 outputs a rectified power supply, and the motor 3 is started after obtaining the rectified power supply.

Rectifier circuit 111 can carry out the rectification with alternating current power supply, can let other electrical components of power adaptation more, triode 112 and the cooperation of charge and discharge unit 12, when charge and discharge unit 12 charges, triode 112 cooperation should charge action control silicon controlled rectifier 113 and switch on, and then export the rectifier power supply of rectifier circuit 111 output through silicon controlled rectifier 113, and then let motor 3 carry out work, realize charge and discharge unit 12 and keep motor 3 work when charging, it reaches the threshold value or is full of to charge and discharge unit 12 charges. The triode 112 and the controllable silicon 113 are adopted to cooperate to realize the control of low-voltage control high voltage, so that the circuit is safer.

In addition, the charging and discharging unit 12 includes an energy storage element 121 and a charging and discharging circuit 122, the charging and discharging circuit 122 is connected to the rectifying circuit 111, the energy storage element 121 is connected to the charging and discharging circuit 122 and the triode 112, when the switch 4 is turned on, the current in the rectifying circuit 111 enters the energy storage element 121 through the charging and discharging circuit 122, and meanwhile, the triode 112 is turned on, and the thyristor 113 is controlled to be conducted until the energy storage element 121 is charged to the threshold value; when the switch 4 is closed, the electric energy of the energy storage element 121 is consumed by the charge and discharge circuit 122.

Energy storage element 121 can charge and discharge the electric energy, charge and discharge in cooperation with the charge and discharge circuit, when switch 4 is opened, charge and discharge circuit 122 cooperates with rectifier circuit 111, charge after obtaining rectifier power of rectifier circuit 111, energy storage element 121's voltage can constantly rise in the charging process, cooperate triode 112 to work in the in-process that rises, when rising to certain degree, the signal jump between triode 112 and the 113 control end of silicon controlled rectifier, whether control silicon controlled rectifier 113 switches on, after energy storage element 121's voltage reaches the threshold value, triode 112 control silicon controlled rectifier 113 switches on, let rectifier power of rectifier circuit 111 pass through silicon controlled rectifier 113 and export.

After the switch 4 is closed, the voltage difference between the two ends of the charging and discharging circuit 122 disappears, at this time, the charging and discharging circuit 122 cannot keep charging, and the electric energy of the energy storage element 121 is consumed in the charging and discharging circuit 122, and enters the standby state again after being consumed, so that preparation can be made for the next time delay. The specific charging and discharging circuit 122 may be configured by a switch element and a resistor, and when a voltage difference between two ends of the charging and discharging circuit 122 is lost, the electric energy in the energy storage element 121 is consumed on the resistor through the switch element.

Preferably, the energy storage element 121 is a capacitor. The cost of the capacitor is low, and the operation is stable.

In addition, a voltage dependent resistor 5 is connected between the control end and the output end of the controllable silicon 113. The control end of the controllable silicon 113 is connected with the output end through the voltage dependent resistor 5, and the voltage dependent resistor 5 can absorb instantaneous surge voltage to avoid breakdown damage to a circuit.

Referring to fig. 4, a specific example can be implemented by the circuit shown in this figure.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. Bathroom system time delay control circuit, including time delay module, live wire terminal and motor, its characterized in that, the input of time delay module is connected to the live wire terminal, and the output is connected to the motor, the motor still is connected to the zero line, the node that motor and time delay module are connected still is connected to the live wire terminal through the switch, and when the switch switched off into by the closure, the time delay module control live wire terminal was temporarily to the motor circular telegram, and breaks off after the time delay.

2. The bathroom system delay control circuit of claim 1, wherein the delay module comprises a switch unit and a charge and discharge unit, when the switch is turned off, a voltage difference exists between two ends of the charge and discharge unit, the charge starts, the switch unit is turned on, and the live wire terminal supplies power to the motor through the switch unit; when the energy storage of the charge and discharge unit reaches a threshold value, the switch unit is disconnected, and the live wire terminal stops supplying power to the single motor.

3. The bathroom system delay control circuit of claim 2, wherein the switch unit comprises a rectifier circuit, a triode, and a thyristor, the triode is electrically connected to the charge and discharge unit, the control terminal of the thyristor is electrically connected to the triode, the input terminal of the thyristor is connected to the rectifier circuit, the rectifier circuit is further connected to the fire wire terminal, when the charge and discharge unit is charged, the triode controls the thyristor to conduct, the thyristor outputs the rectified power, and the motor is started after acquiring the rectified power.

4. The bathroom system delay control circuit of claim 3, wherein the charge and discharge unit comprises an energy storage element and a charge and discharge circuit, the charge and discharge circuit is connected to the rectifying circuit, the energy storage element is connected to the charge and discharge circuit and the triode, when the switch is turned on, the current in the rectifying circuit enters the energy storage element through the charge and discharge circuit, and the triode is turned on at the same time, and the thyristor is controlled to be conducted until the energy storage element is charged to a threshold value; when the switch is closed, the electric energy of the energy storage element is consumed through the charging and discharging circuit.

5. The bathroom system delay control circuit of claim 4, wherein the energy storage element is a capacitor.

6. The bathroom system delay control circuit of claim 3, 4 or 5, wherein a voltage dependent resistor is connected between the control end and the output end of the thyristor.