CN201844474U - Control circuit of warmer - Google Patents

Abstract

The utility model discloses a control circuit of a warmer, which includes a power circuit (8). The power circuit is provided with an input terminal and an output terminal, wherein the input terminal is connected with a mains supply, and the output terminal, which outputs 5V direct current, is connected with a vibration detecting circuit (7), an alternating current signal detecting circuit (6), a fan driving circuit (5), a buzzer circuit (4), a central processing, displaying and controlling keyboard circuit (3), and a heating driving circuit (3), respectively. The control circuit of the warmer adopts a microcomputer for control, realizes intelligent control processing, and is more intelligent, more efficient, more durable, safer, more energy-saving and more environment-friendly in comparison with a traditional switch. A user can input corresponding commands through a controlling keyboard to control the work or non-work state of heating equipment, as well as the heating power, so that the operation is very convenient. Moreover, a system sleep mode enables a power supply to be cut off in an intelligent and automatic manner, the user who forgets to cut off the power supply usually needs not to worry any more, and the use is very safe.

Description

A kind of warmer control circuit

Technical field

The utility model relates to a kind of control circuit, particularly relates to a kind of warmer control circuit.

Background technology

Present warmer adopts simple circuit to control mostly, connects the just work of power supply warmer, and the deenergization warmer just quits work.When following situation occurring, be easy to cause unpredictable serious consequence.The one, behind the grid cut-off, be easy to forget powered-down, after electrical network was powered again, warmer was switched on automatically, and the people is not aside; The 2nd, in heating, can leave warmer every now and then because of busy, also can forget the duty of warmer sometimes, leave warmer, above-mentioned situation the people all can occur not on the warmer next door, causes unpredictable serious consequence.So traditional warmer control circuit intelligent level is low, poor stability; Also caused waste of electric energy.

The utility model content

The purpose of this utility model is, a kind of warmer control circuit is provided, and adopts microcomputerized control, has realized intelligent control processing, than more intelligent, more efficient, more durable, safer, the more energy-conserving and environment-protective of tradition control.

The technical solution of the utility model: a kind of warmer control circuit, comprise power circuit, power circuit is provided with input and output, input is electrically connected with the city, and the 5V direct current of output output is connected with vibration detection circuit, alternating current signal detection circuit, fan drive circuit, buzzer circuit, central processing, demonstration and supervisory keyboard circuit, heat driven circuit respectively; Vibration detection circuit is connected with central processing, demonstration and supervisory keyboard circuit with the alternating current signal detection circuit, central authorities' processing, demonstration and supervisory keyboard circuit are connected with buzzer circuit with fan drive circuit, and central processing, demonstration and supervisory keyboard circuit are connected with heating element heater through the heat driven circuit.

In the aforesaid warmer control circuit, described central processing, demonstration and supervisory keyboard circuit comprise central processing unit, display unit and supervisory keyboard unit; Central processing unit is 8 single-chip microcomputers; Display unit comprises seven segment digital tubes or LCD or led array, dichromatic LED and single color LED; The supervisory keyboard unit is made of the push switch that resets certainly, comprises power switch key, heat-generating pipe watt level adjusting key and heat-generating pipe on ﹠ off switch.

In the aforesaid warmer control circuit, but described vibration detection circuit comprises the induction installation of the free adjustment sensitivity that is made of buzzing sheet and vibration hammer, and induction installation connects through amplifying circuit and links to each other with central processing unit.

In the aforesaid warmer control circuit, described heat driven circuit comprises high-power silicon controlled rectifier, and the control end of high-power silicon controlled rectifier is connected with central processing, demonstration and supervisory keyboard circuit through optocoupler.

In the aforesaid warmer control circuit, described vibration detection circuit by the vibration signal that receives the inductive heating device after, output signal is to central processing, demonstration and supervisory keyboard circuit and the through and off by heat driven circuit control heating element heater power supply again.

Compared with prior art, existing warmer adopts simple on-off circuit to control usually, connects the just work of power supply warmer, and the deenergization warmer just quits work.When following situation occurring, be easy to cause unpredictable serious consequence.The one, behind the grid cut-off, be easy to forget powered-down, after electrical network was powered again, warmer was switched on automatically, and the people is not aside; The 2nd, in heating, can leave warmer every now and then because of busy, also can forget the duty of warmer sometimes, leave warmer, above-mentioned situation the people all can occur not on the warmer next door, causes unpredictable serious consequence.So traditional warmer control circuit intelligent level is low, poor stability; Also caused waste of electric energy.The utility model adopts microcomputerized control, has realized intelligent control, and behind grid cut-off, no matter what state warmer is originally, all is in closed condition behind the incoming call again; More intelligent, more efficient, more durable, safer, the more energy-conserving and environment-protective of control circuit than traditional warmer.After inserting civil power, if there is not artificial input start-up command, system will can power output not make the heat-producing device heating.This is behind each grid cut-off, and when electrical network was powered again again, system can unpredictable serious consequence not occur because of forgetting powered-down as regular tap.The user could import the work of command adapted thereto control heat-producing device and not work, regulates heating power by supervisory keyboard, and is very convenient! The distinctive sleep pattern of native system in addition, detect by the vibratory output that external force is bestowed on the warmer, promptly within a certain period of time, if detect vibration (people promptly being arranged by warmer), then keep or the control febrile state, if do not detect vibration (being that the people has left warmer), then cut off the power supply of heating element heater automatically, realize intelligent automatic power cutoff, make the user needn't be worried, as safe as a house for often forgetting powered-down!

Description of drawings

Fig. 1 is an electrical principle structured flowchart of the present utility model.

Being labeled as in the accompanying drawing: 1-heating element heater, 2-heat driven circuit, the processing of 3-central authorities, demonstration and supervisory keyboard circuit, 4-buzzer circuit, 5-fan drive circuit, 6-alternating current signal detection circuit, 7-vibration detection circuit, 8-power circuit.

The specific embodiment

The utility model is described in further detail below in conjunction with drawings and Examples, but not as to any restriction foundation of the present utility model.

Embodiment.The utility model as shown in Figure 1.A kind of warmer control circuit, comprisepower circuit 8, power circuit is provided with input and output, input is electrically connected with the city, and the 5V direct current of output output is connected withvibration detection circuit 7, alternating currentsignal detection circuit 6,fan drive circuit 5,buzzer circuit 4, central processing, demonstration andsupervisory keyboard circuit 3, heat drivencircuit 2 respectively;Vibration detection circuit 7 is connected with central processing, demonstration andsupervisory keyboard circuit 3 with alternating currentsignal detection circuit 6, central authorities' processing, demonstration andsupervisory keyboard circuit 3 are connected withbuzzer circuit 4 withfan drive circuit 5, and central processing, demonstration andsupervisory keyboard circuit 3 are connected withheating element heater 1 through heat driven circuit 2.Described central processing, demonstration andsupervisory keyboard circuit 3 comprise central processing unit, display unit and supervisory keyboard unit; Central processing unit is 8 single-chip microcomputers; Display unit comprises seven segment digital tubes or LCD or led array, dichromatic LED and single color LED; The supervisory keyboard unit is made of the push switch that resets certainly, comprises power switch key, heat-generating pipe watt level adjusting key and heat-generating pipe on ﹠ off switch.Describedvibration detection circuit 7 comprises the induction installation that is made of buzzing sheet and vibration hammer, and induction installation is connected with integrated amplifier, and then links to each other with central processing unit by switch triode.Described heat drivencircuit 2 comprises high-power silicon controlled rectifier, and the control end of high-power silicon controlled rectifier is connected with central processing, demonstration andsupervisory keyboard circuit 3 through optocoupler.In the aforesaid warmer control circuit, describedvibration detection circuit 7 by the vibration signal that receives the inductive heating device after, output signal is to central processing, demonstration andsupervisory keyboard circuit 3 and the through and off by heat drivencircuit 2 controlheating element heaters 1 power supply again.

The operation principle of the utility model each several part and function:

Central authorities' processing, demonstration and supervisory keyboard circuit 3: comprise central processing unit, display unit and supervisory keyboard unit; Central processing unit adopts 8 single-chip microcomputers as core controller, be used to receive the detection signal and the push button signalling of each testing circuit, and these signals are handled, send control signal corresponding to display unit, heat-producing device control circuit, buzzer circuit and fan drive circuit then; Display unit adopts a seven segment digital tubes, a dichromatic LED, four single color LEDs as displaing core, charactron is in order to show the power grade of heat-generating pipe, and light emitting diode is used to show the on-state of complete machine power supply and 4 heat-generating pipe power supplys; The supervisory keyboard unit then is made up of the push switch that resets certainly, comprise 1 power switch key, 2 heat-generating pipe watt level adjusting keys and 4 heat-generating pipe on ﹠ off switches, wherein the number of heat-generating pipe on ﹠ off switch is corresponding one by one with the number of heat-generating pipe, if have only two heat-generating pipes, then only need two heat-generating pipe on ﹠ off switches.

Buzzer circuit 4: mainly adopt buzzer as core devices, by the control signal that CPU sends, the sound of sounding a buzzer, prompting operation takes place or reports to the police.

Fan drive circuit 5: because of heat-producing device belongs to high power device, the caloric value of heat-producing device control drive circuit is bigger, add the heat stack of heat-generating pipe, may impact the control drive circuit, reduce the life-span of control drive circuit core devices, for avoiding this hidden danger,, control is driven core devices lower the temperature by the fan drive circuit drive fan.To be CPU detect the state of each road heat-generating pipe the course of work, as long as if detect heat-generating pipe in work, just send control signal to fan drive circuit, makes fan work.

Heat driven circuit 2: adopt high-power optocoupler and high-power silicon controlled rectifier as core devices, the control signal that optocoupler provides by CPU is controlled the silicon controlled through and off, and alternating current isolated, avoid influence or the breaking-up of alternating current to DC circuits such as central authorities' processing, demonstration, buzzer, fans, controllable silicon comes heat-generating pipe is controlled by the control of optocoupler.

Heater element 1: heat-producing device can adopt quartz heating tube, metal heat-generating pipe, metal conducting strip or the like material, by the control of control circuit, provides corresponding heat.

Alternating current signal detection circuit 6: the moment of civil power is detected in the butt joint, powers on if detect, and CPU then sends a signal to buzzer drive circuit and display circuit, has connected civil power with prompting.

Vibration detection circuit 7: adopt the buzzing sheet to add vibration hammer as the vibration detection device, by integrated amplifier and switch triode, detected vibration signal is sent to CPU, CPU is then calculated by the oscillating function of inside, sends corresponding signal to heat-producing device control drive circuit.

Power circuit 8: adopt rectifier bridge, transformer and three terminal integrated voltage stabilizer as core devices, electric main become the direct current of 5V, with to central authorities' processing, demonstration, temperature detection, vibration detection, heat-generating pipe drives control or the like circuit that working power is provided.

Workflow of the present utility model:

The utility model powers on after first the making, at first buzzer is long rings one, signal the utility model is started working, and then various working functions of main working function recursive call in the central processor CPU add that interrupt processing mechanism realizes that signals collecting and the complicated control signal of output finish system works.

The AC synchronous working function; Check the synchronous input and output IO mouth state of central processor CPU,, just change the synchronous mark position and use for other function if different with the state of last time.

The output of four road power triggers control function; Whether enter back inspection earlier at work or febrile state, if not just turn back to principal function; If, reexamine synchronous mark and change not, just do not turn back to principal function if having to change, if, just beginning calculating and obtain the time point that output triggers, the time needs to trigger flag bit to exporting with regard to set, and in the output triggered time clear 0; Return principal function then.

The buzzer working function; Buzzerphone output is finished in interruption, and this function is only checked the buzzing time above about 100ms, uses buzzing not work above just closing the buzzing sign, surpasses and continues buzzing.

The time sweep working function; Pick up counting from 0ms, if by one second, a second register just adds 1, if by 60 seconds, minute register just adds 1 and also removes a second register.

The fan work function; Check earlier in four tunnel outputs whether have one the tunnel, if fan time-delay closing time assignment=2 minute again then if all have to work, are just returned in work; If fan shut-in time＞0, central processor CPU makes fan work with regard to output signal, otherwise then closes.

The keyboard scan working function; Whether whether obtain the keyboard virtual value in the keyboard value register of reading earlier from interrupt function, have button to press sign before reexamining, be to subtract key if reexamine, longly do not put and keep about 5 seconds by subtracting key, and the function of closing and opening vibration is arranged; If virtual value=no actuation of keys also exceeds the 50ms time, just be equipped with under the keyed jointing and be masked as 0.If there is not button to press, just comparison is that button is supressed, and each button is if press, all can buzzing one, and be equipped with that flag bit is 1 under the keyed jointing, introduce each button effect below:

1. power key: make system standby and normal between switch;

2. add key: the heating grade adds a grade, totally 0～9 grade;

3. subtract key: the heating grade subtracts a grade, totally 0～9 grade;

4. 1 road key: control the heating of 1 road heat-producing device and do not generate heat;

5. 2 road keys: control the heating of 2 road heat-producing devices and do not generate heat;

6. 3 road keys: control the heating of 3 road heat-producing devices and do not generate heat;

7. 4 road keys: control the heating of 4 road heat-producing devices and do not generate heat;

The performance review scanning function; According to a minute register value, make system switch in different working modes, mainly be divided into three mode of operations, below with these three mode declaration pattern specifications:

1. normal mode of operation; Manually start, the normal heating pattern;

2. first sleep pattern: under the normal heating pattern, and heating grade＞0, if when system did not detect vibration signal in 5 minutes, display screen flashes and shows that expression enters first sleep pattern; If when in 5 minutes vibration signal being arranged, keep start heated condition and delayingtime 5 minute length of one's sleep;

3. second sleep pattern under the first sleep state pattern, when not having vibration signal in 5 minutes, enters second sleep pattern, and under this pattern, display screen does not have demonstration, has only the bright expression of power lights green light to enter second sleep pattern; If again vibration signal is arranged, main frame can not made a response, and you must be by pushing the duty before control panel button (being meant any one panel button here) enters sleep; In second sleep pattern 10 minutes after the attonity, main frame enter insert the city and and the standby mode during electricity, power output not, heat-producing device is closed and is quit work.Interruption of work function: important register backup, reexamine the buzzing sign earlier, need buzzing just to make central processor CPU buzzing IO send buzzerphone if be masked as; Otherwise reexamine the time that shows charactron, if＞2.5ms just refreshes demonstration, and relevant mask register is added 1 or refresh process.After work is finished, important register backup and reduction returned again withdraw from.

Claims (5)

1. warmer control circuit, it is characterized in that: comprise power circuit (8), power circuit is provided with input and output, input is electrically connected with the city, and the 5V direct current of output output is connected with vibration detection circuit (7), alternating current signal detection circuit (6), fan drive circuit (5), buzzer circuit (4), central processing, demonstration and supervisory keyboard circuit (3), heat driven circuit (2) respectively; Vibration detection circuit (7) is connected with central processing, demonstration and supervisory keyboard circuit (3) with alternating current signal detection circuit (6), central authorities' processing, demonstration and supervisory keyboard circuit (3) are connected with buzzer circuit (4) with fan drive circuit (5), and central processing, demonstration and supervisory keyboard circuit (3) are connected with heating element heater (1) through heat driven circuit (2).

2. warmer control circuit according to claim 1 is characterized in that: described central processing, demonstration and supervisory keyboard circuit (3) comprise central processing unit, display unit and supervisory keyboard unit; Central processing unit is 8 single-chip microcomputers; Display unit comprises seven segment digital tubes or LCD or led array, dichromatic LED and single color LED; The supervisory keyboard unit is made of the push switch that resets certainly, comprises power switch key, heat-generating pipe watt level adjusting key and heat-generating pipe on ﹠ off switch.

3. warmer control circuit according to claim 1 is characterized in that: described vibration detection circuit (7) but comprise the induction installation of the free adjustment sensitivity that constitutes by buzzing sheet and vibration hammer, induction installation links to each other with central processing unit through amplifying circuit.

4. warmer control circuit according to claim 1 is characterized in that: described heat driven circuit (2) comprises high-power silicon controlled rectifier, and the control end of high-power silicon controlled rectifier is connected with central processing, demonstration and supervisory keyboard circuit (3) through optocoupler.

5. according to claim 1 or 3 described warmer control circuits, it is characterized in that: the input of described vibration detection circuit (7) is connected with the vibration signal of inductive heating device, the output of vibration detection circuit (7) is connected with central processing, demonstration and supervisory keyboard circuit (3), and central processing, demonstration and supervisory keyboard circuit (3) are connected with heating element heater (1) through heat driven circuit (2).

Images