CN2924216Y

CN2924216Y - Electric-regulating gas flow valve gear

Info

Publication number: CN2924216Y
Application number: CN 200620061085
Authority: CN
Inventors: 黄启均; 张喜杰; 冯兴忠
Original assignee: Zhongshan Vatti Gas Appliance Co Ltd
Current assignee: Vatti Co Ltd
Priority date: 2006-06-30
Filing date: 2006-06-30
Publication date: 2007-07-18
Anticipated expiration: 2016-06-30

Abstract

The utility model discloses an electric-regulating gas flow valve device used for a domestic gas kitchen range including a valve body, a valve core, a position switch of the valve core, a poking blade, a direct current motor, a deceleration gear set, a counter gear, a counter circuit board, a support cap of the deceleration gear set, and an electronic control system, etc. The signal line of the position switch of the valve core, the power line of the motor and the pulsing signal line given out by the counter circuit board are connected with the electronic control system. The motor and the valve body are closely connected with the support cap of the deceleration gear set and one side of the gear on the output shaft of the motor is combined with the initial gear of the deceleration gear set and the other side of the gear on the output shaft of the motor is combined with the counter gear. The output gear shaft of the deceleration gear set is connected with the valve core. The position switch of the valve core fixed on the valve body is poked by the poking blade fixed on the valve core. The counter circuit board is fixed on the upper of the counter gear. When rotating, pulsing signal generates between the counter gear and the counter circuit board and gives out to the electronic control system. The utility model is safe and reliable to run and the flow rate is stepless adjustable.

Description

A kind of motorized adjustment gas flow control valve unit

Technical field

The utility model relates to a kind of Flow valve device, especially a kind of motorized adjustment gas flow control valve unit.

Technical background

The flow regulator of household gas range extensive use now all adopts the manual tune structure, cause existing kitchen range must be on panel perforate with Flow-rate adjustment handle extending panel, this structure can cause reducing as the slab strength of panel kitchen range such as glass or pottery, also make simultaneously the water on the table top stretch out place, hole inflow kitchen range inside easily by handle, this had both influenced the kitchen range integral aesthetic property, also shortened the normal working life of kitchen range greatly, also restricted the development of kitchen range simultaneously to intellectuality and automation direction.

The model utility content

For overcoming the deficiency and the shortcoming of existing gas cooker manual tune gas flow, the utility model provides a kind of motorized adjustment gas flow control valve unit replacing existing manual tune gas flow structure, and kitchen range are developed a kind of approach that provides to directions such as automatic or intelligent control.

The technological scheme that the utility model adopted is achieved in that a kind of adjusting gas flow control valve unit, comprise valve body, be arranged on the spool in the valve body, it is characterized in that: described spool is connected with the output shaft of direct current generator by speed reducer, and direct current generator is electrically connected with the control system that is provided with operated key by power line.

Specifically, described speed reducer is the train of reduction gears that is installed in the support shell, and direct current generator is meshed with the initial gear of train of reduction gears by the gear on the output shaft, and the extreme gear axle of train of reduction gears is connected with spool is coaxial.

As further improvement of the utility model, also be provided with the numeration gear that cogs and be meshed with the direct current generator output shaft in the described support shell, be equiped with the numeration circuit board above or below the numeration gear, the numeration circuit board is electrically connected with control system by pulse signal-line.Numeration gear and the numeration pulse signal that circuit board generated can be the magnetic induction signal, also can be the optoelectronic induction signal.

Further improve as of the present utility model, described valve body is fixed on the support shell, be equiped with plectrum on the spool, be provided with the spool position-sensing switch that is electrically connected by signaling line with control system in this plectrum rotary area scope, the spool position-sensing switch is fixed on valve body or the support shell.The above spool position-sensing switch can be leaf switch, also can be sensitive switch.

The above control system (11) comprises at least by after a plurality of operated key parallel connections, one end and resistance R 4 polyphones, the other end is formed key circuit with P1.3, P1.4, the P1.5I/O mouth of IC respectively, form spool position-sensing switch interface circuit with P1.1, the P1.2I/O mouth of IC respectively by resistance R 1, R2, form numeration circuit board interface circuit by the P1.0I/O mouth of resistance R 3 and IC.

When connecting ABAP Adapter, electronic control system must be replied the position by cable, drive valve as need, close valve or adjusting, as long as press corresponding operated key on the electronic control system, control system will to motor export one forward or backwards power supply rotate by it, to drive the rotation of train of reduction gears and spool, valve is opened or open mode is closed from closed condition, the circuit board that counts simultaneously can be exported rotational pulse signal and give electronic control system, control system utilizes this signal just can accurately control the angle of its rotation by direct current generator, gas flow can be adjusted to any state that needs, the main effect of spool position-sensing switch is that one of output fed back signal to electronic control system after the controlled angle of spool put in place, allows control system can know clearly whether the working state of train of reduction gears is normal.

The utility model has following advantage with respect to prior art:

1. need not to offer the valve shaft hole that control flow rate is used, increased the intensity of panel, stopped soup enters gas cooker inside by hole possibility at panel.

2. simple in structure, easy to adjust, intelligent control, reaction is quick.

3. beautiful shape is generous, cleans simple and convenient.

Description of drawings:

Fig. 1 is the plan view of the utility model motorized adjustment gas flow control valve unit;

Fig. 2 is a partial cutaway diagrammatic sketch among Fig. 1;

Fig. 3 is the block diagram that is electrically connected of the present utility model;

Fig. 4 is electronic control system circuit theory diagrams of the present utility model.

Specific embodiment

Below in conjunction with drawings and Examples the utility model motorized adjustment gas flow control valve unit is described further.

As shown in Figures 1 and 2, the actuating device of motorized adjustment gas flow metered valve is by valve body 1, plectrum 2, spool position-sensing switch 3, spool 4, valve core spring 5, train of reduction gears 6, numeration gear 7, numeration circuit board 8, reduction gear pack support shell 9 and DC micromotor 10 are formed, train of reduction gears 6 is installed in the reduction gear pack support shell 9, DC micromotor 10 be fixed on reduction gear pack support shell 9 above or below, the gear one side on motor 10 output shafts and the initial gear engagement of train of reduction gears 6, another side and 7 engagements of numeration gear, the extreme gear axle of train of reduction gears 6 adopts the mode that insertion slot type is connected or other is equal to connect with spool 4, spool 4 is inserted in valve body 1, plectrum 2 and valve core spring are installed on the spool 4, reduction gear pack support shell 9 is fixed on the valve body 1 after valve core spring 5 is compressed. and numeration circuit board 8 is fixed on above or below the numeration gear 7 of reduction gear pack support shell 9 inside, and spool position-sensing switch line and motor power-supply wire and numeration circuit printed line are electrically connected with electronic control system 11.It is electrically connected as shown in Figure 3, electronic control system 11 and spool position-sensing switch 3 are connected by signaling line, are connected by pulse signal-line with numeration circuit board 8, are connected by the positive-negative power line with motor 10, simultaneously, control system 11 also is connected with the external direct current power supply of 3V.The concrete circuit theory diagrams of electronic control system as shown in Figure 4, the kernel control chip of electronic control system 11 is microcomputer chip IC, operated key K1, K2, K3, back in parallel one end is connected with resistance R 4, the other end respectively with the P1.3 of IC, P1.4, the P1.5I/O mouth is formed key circuit, resistance R 1, the P1.1 of R2 and IC, the P1.2I/O mouth is formed spool position-sensing switch interface circuit, the P1.0I/O mouth of resistance R 3 and IC is formed numeration circuit board interface circuit, resistance R 5, the MCLR mouth of capacitor C 1 and IC is formed reset circuit, X1, capacitor C 2, the OSC1 of C3 and IC, the OSC2 mouth is formed the P1.6 of vibrator circuit .IC, P1.7I/O mouth and resistance R 6, R7, triode Q1, Q2, Q3, Q4 forms the motor interface circuit.

After connecting power supply; electronic control system 11 resets and enters holding state; behind the power key K1 that presses on the electronic control system 11; low level signal of P1.6I/O mouth output of IC is given the motor interface circuit; triode Q1; the Q4 conducting; rotate for 10 1 backward voltages of direct current generator; the spool 4 that drives motorized adjustment gas flow metered valve by train of reduction gears 6 is opened to maximum position; the pulse signal that meanwhile counts and generate between gear 7 and the numeration circuit board 8; pulse signal-line by numeration circuit board 8 outputs on the P1.0I/O mouth of electronic control system 11; the IC of control system 11 receives and confirms that valve has reached maximum position behind this signal and the low level signal of the P1.6I/O mouth output of IC is closed; motor 10 dead electricity stop operating; valve port is kept maximum rating; press the rise button K2 on the control system 11; downward modulation button K3 can carry out different angle adjustment to the spool 4 of motorized adjustment gas flow metered valve; Principles of Regulation are the same; different just wherein reverse adjustings be to give the motor interface circuit by low level signal of P1.7I/O mouth output of IC; triode Q2; the Q3 conducting is given 10 1 forward voltages of motor and motor 10 and former rotation direction reversed is rotated; wherein the accurate control of spool 4 angle of swing is to be guaranteed by the pulse signal that numeration circuit board 8 outputs on the P1.0I/O mouth of electronic control system 11; by to the different angle adjustment of spool 4 with regard to the different gas flow of may command; thereby gas flow can be adjusted to any state that needs; the main effect of spool position-sensing switch 3 is that one of output fed back signal on the P1.1 and P1.2I/O mouth of electronic control system 11 after the controlled angle of spool 4 put in place; whether allow control system 11 can clearly differentiate the working state of train of reduction gears normal; if control system 11 does not also receive controlled angle that spool position-sensing switch 3 exports during to certain value when putting signal in place at the pulse signal that receives output on the numeration circuit board 8; then being judged to be train of reduction gears 6 faults such as slip teeth or latch occurred and has entered guard mode. and the reset circuit of being made up of R5 and C1 automatically resets IC when guaranteeing to connect ABAP Adapter at every turn and enters initial holding state, by X1; the vibrator circuit that C2 and C3 form offers the required command pulse signal of single-chip microcomputer IC work itself.

Above-described specific embodiment only is the most brief embodiment of the utility model, and the equivalent arrangements of being done according to the utility model claim all should be technology of the present utility model and contains such as.

Claims

1. regulate the gas flow control valve unit for one kind, comprise valve body (1), be arranged on the spool (4) in the valve body (1), it is characterized in that: described spool (4) is connected by the output shaft of speed reducer with direct current generator (10), and direct current generator (10) is electrically connected with the control system that is provided with operated key (11) by power line.

2. adjusting gas flow control valve unit according to claim 1, it is characterized in that: described speed reducer is for being installed in the train of reduction gears (6) in the support shell (9), direct current generator is meshed by the initial gear of the gear on the output shaft with train of reduction gears (6), the extreme gear axle of train of reduction gears (6) and coaxial connection of spool (4).

3. adjusting gas flow control valve unit according to claim 2, it is characterized in that: also be provided with the numeration gear (7) that cogs and be meshed with direct current generator (10) output shaft in the described support shell (9), be equiped with numeration circuit board (8) above or below the numeration gear (7), numeration circuit board (8) is electrically connected with control system (11) by pulse signal-line.

4. adjusting gas flow control valve unit according to claim 3, it is characterized in that: described valve body (1) is fixed on the support shell (9), be equiped with plectrum (2) on the spool (4), be provided with the spool position-sensing switch (3) that is electrically connected by signaling line with control system (11) in this plectrum (2) rotary area scope, spool position-sensing switch (3) is fixed on valve body (1) or the support shell (9).

5. according to claims 4 described adjusting gas flow air valve devices, it is characterized in that: described spool position-sensing switch is leaf switch or sensitive switch.

6. according to claims 3 to 5 each described adjusting gas flow air valve devices, it is characterized in that: the pulse signal that numeration gear (7) and numeration circuit board (8) are generated is magnetic induction signal or optoelectronic induction signal.

7. according to each described adjusting gas flow control valve unit of claim 1 to 5, it is characterized in that: described control system (11) comprises by after a plurality of operated key parallel connections, one end and resistance R 4 polyphones, the other end is formed key circuit with P1.3, P1.4, the P1.5I/O mouth of IC respectively, form spool position-sensing switch interface circuit with P1.1, the P1.2I/O mouth of IC respectively by resistance R 1, R2, form numeration circuit board interface circuit by the P1.0I/O mouth of resistance R 3 and IC.