CN2291543Y

CN2291543Y - Plane-rotating automatic opening and closing multipie-way valve

Info

Publication number: CN2291543Y
Application number: CN 97200994
Authority: CN
Inventors: 郭锋光
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-01-31
Filing date: 1997-01-31
Publication date: 1998-09-16
Anticipated expiration: 2007-01-31

Abstract

The utility model relates to a planar rotation automatic opening and closing multipie-way valve which is mainly composed of an upper valve body (1), a lower valve body (2) and a planar rotation chip (3) in the middle which are tightly fixed by using a plurality of screw bolts, wherein, the circumference of the planar rotation chip (3) is provided with teeth which are engaged with a gear shaft (5). The lower end of the gear shaft (5) is engaged with a small gear (7) on a micromotor (M) through a gear (6), and an electrical wire of the micromotor (M) is connected with a control circuit system. The utility model can realize fully automatic control and has the advantages of good antiwear property, high anticorrosive property, no leakage phenomenon, etc., a valve replaces many valves, and the utility model carries out fully automatic control and solves the problems of the complexity and the error of manual operation.

Description

The rotational automatic switch type multiport valve in plane

The utility model relates to the multichannel valve.

In the oil water separation process of sewage treatment, desalination of sea water, water treatment and oil field oil recovery process, often need the multichannel pipeline system, and need on each pipeline, to install various stop valves, control valve or solenoid valve and pressure, flow control valve or the like, control for a plurality of valves bothers very much, and operation is very inconvenient, and existing multichannel valve fails to realize automatic control, and manual operation is easy to generate error or error.

The purpose of this utility model promptly is at above-mentioned the deficiencies in the prior art, be included in the multi-channel pipeline and handle a plurality of valves of control simultaneously and bother very much, very inconvenient problem, and existing multichannel valve fails to realize automatic control, manual operation is easy to generate the problem of sum of errors error, and provides a kind of novel planar rotational automatic switch type multiport valve.

The purpose of this utility model is achieved through the following technical solutions:

The rotational automatic switch type multiport valve in a kind of plane, it has the upper valve body (1) and the following valve body (2) on plane, is provided with plane rotary chip (3) in the middle of upper valve body (1) and following valve body (2), is with seal protection circle (4) outside plane rotary chip (3); Plane rotary chip (3) is meshed with gear shaft (5), and gear shaft (5) lower end is meshed with small gear (7) on the micro motor (M) by gear (6); Upper valve body (1) and following valve body (2) have a plurality of corresponding through holes, and rotary chip (3) also has a plurality of through holes; Micro motor (M) and control circuit system join, and the control circuit system comprises power supply, signal input circuit, central processing unit (CPU), signal output apparatus, wherein central processing unit (CPU) mainly by 8031,74LS373,2764 forms.Angle between a plurality of corresponding through hole on upper valve body (1) and the following valve body (2) is 30 °～180 °, and is 30 ° multiple.Inner face at upper valve body (1) and following valve body (2) is provided with the symmetrical spill tank circuit and step.Be provided with the groove of dress O RunddichtringO in through hole the inner of upper valve body (1) and following valve body (2).

The utlity model has following advantage and effect:

1. solved because artificial and error operation has realized the automatically working state, more be applicable to particular surroundings, can replace manual operation.

2. integral planar structural plan spin friction, when having solved existing valve because of curved surface friction work, the gap increases string water because of friction time is long, and in upper and lower valve hole the inner the O RunddichtringO is housed, and has stopped leakage problems.

3. adopting high-strength PVC material is valve body, and plane rotary chip material is a teflon, and the planar friction coefficient is little, is applicable to any working environment, has solved wearing and tearing and corrosivity.

4. concentrating on several single valves is one.

The utility model is mainly used in the automatic shunting of liquid and gas, is applicable to sewage treatment, desalination of sea water and purification of water quality, more is applicable to the oil-water separation in the oil recovery process of oil field

The drawing of accompanying drawing is described as follows:

Fig. 1 is the sectional view of the rotational automatic switch type multiport valve in plane of the present utility model

Fig. 2 a～2c is the upper valve body structural drawing

Fig. 3 a～3c is following valve body structure figure

Fig. 4 a, 4b are the rotary chip structural drawing

Fig. 5 a, 5b are seal protection coil structures figure

Fig. 6 is the coupling shaft structural drawing

Fig. 7 a, 7b are gear shaft structure figure

Fig. 8 a, 8b are the driving gear structural drawing

Fig. 9 is the gear transmission schematic representation

Figure 10 is the control system structured flowchart

Figure 11 a, 11b are the power circuit diagram of control system

Figure 12 a～12c is signal input circuit figure

Figure 13 is the central processing unit (CPU) circuit diagram

Figure 14 a～14d is signal output apparatus figure

Be described further below in conjunction with drawings and Examples:

One, working principle:

Under certain working state requires, the corresponding work programming instruction is set for the interior single-chip microcomputer of control system, micro motor will start according to the work order automatic timing this moment, drive the plane rotary chip and rotate certain angle, can change the valve internal channel, according to instruction continuous firing repeatedly, thereby realize the recloser of a plurality of single valves (passage).

Two, concrete technology:

1. at first, (S1 or 2764) requires artificially to be provided with the operating time instruction according to certain and (is made up of two 555 monostable flipflops in the controller single-chip microcomputer, respectively instruction is transferred to 8031, instruction is set and function is changed in order to finish), again by central processing unit (CPU) with given transmission to valve body and micro motor, start rotational automatic switching valve work by micro motor, so that reach required working state.

2. plane rotary multiport valve is by upper valve body 1; following valve body 2 is formed; the centre is provided with plane rotary chip 3; the seal protection circle 4 of overcoat rotary chip 3; by 12 bolton; plane rotary chip 3 is meshed with gear shaft 5; gear shaft 5 lower ends are meshed with small gear 7 on the micro motor by gear 6; because of upper valve body 1; following valve body 2 and plane rotary chip 3 are provided with through hole, and (this hole can be decided according to the quantity of required passage; but need 360 ° of five equilibriums; present technique is only developed 180 ° at present; 120 °; 90 °; 60 °; 30 ° five kinds, the number of teeth of calculating the plane rotary chip is with reference to the gear transmission technology characteristics in the mechanical drive principle (number of teeth=(external diameter/modulus)-2).Form at last: the small gear rotation is 360 ° on the micro motor, 30 °, 60 °, 90 ° of the rotary chip rotations in plane ...Startup by micro motor, drive the rotation of plane rotary chip in order, realize that promptly upper valve body and following valve body inner via hole communicate or close, the various passages in the valve have also just been changed, the recloser that just is equivalent to tens single ball valves (stop valve), the continuous rotation of plane rotary chip, different angles are different valve port recloseres.

3. reach down at upper valve body and be provided with the long radius symmetry spill tank circuit and step in the valve body, being provided with channel orifices in the spill tank circuit is symmetrically distributed, match up and down with plane rotary chip small channel, can solve the excessive of different medium and different liquids and separation, it is external to pass through a certain major path hole expulsion valve again.

4. be provided with in the outer end of the through hole of upper valve body 1 and following valve body 2 and install and the groove of A/C, the inner of through hole is provided with the groove of adorning the O RunddichtringO.

Three, circuitry

I, power supply

From the 220V Ac of outside input through transformation, full wave rectifier, voltage stabilizing, for controller provide+12V and+the 5V DC electrical source.

II, data input

Data input unit comprises five parts such as system reset, operating mode preset, modify instruction, setting command, framing signal.

1, system reset:

This part is made up of 555 triggers, 4000 and 4011.When controller was in open state, manual activation 555 time base circuits produced pulse, through 4000 and 4011 signal are carried out combined transformation, were that 8031 (RESET) end that resets provides reset pulse.

2, operating mode presets:

This part is made up of 555 monostable flipflops that constitute, and signal is exported to 8031 P1.2 mouth line, after the time, setting finished, can adjust the progress of work of controller by this module.

3, modify instruction:

This part is made up of 555 monostable flipflops that constitute, and this module sends signal to 8031 external interrupt INTI, and when signal is low level, 8031 will accept interrupt requests, and starting electrical machinery enters next working state.Return main program after finishing break in service.

4, setting command:

This part is made up of two 555 triggers, and two trigger signals send 8031 P1.0 mouth line and P1.1 mouth line respectively to, in order to finish the setting of working time of a certain operating mode.

5, framing signal:

When driven by motor plane rotary chip 3 rotates to the precalculated position, to 8031 the P1.3 mouth line transmission motor signal that puts in place, and cut off motor powers by 8031 controls by Hall element.

III, central processing unit (CPU)

This part mainly by 8031,74LS373,2764 and automatic power-on reset circuit and power down protection circuit form.

1, powers on and automatically reset

After controller is connected power supply, through 4000 and 4011, be that 8031 (RESET) end that resets provides reset pulse by the RC charging circuit.

2, power down protection

When the Vcc current potential descends suddenly or during outage, the power down protection circuit of being made up of bleeder circuit and 4011 can keep high level with 8031 reset terminal, thus the information in the protection ram in slice do not lost, make telegram in reply after, controller can recover the preceding working state of power down.

3,8031,74LS373 and 2764 forms the core of controllers, receive external command by their input, output port, and finish Control work whole system.

IV, signal output

This part comprises output driving circuit, display modular and the supervisory signal puocessing module of motor.

1, the output driving circuit of motor

8031 P1.4 and P1.5 mouth line are used for controlling motor, control signal through amplify, photoelectricity coupling control relay SSR, and further control the break-make of motor power.

2, display modular

Comprise group of four figures display system and LED display system.The nixie tube display system is formed by 4069,4011 and 4511, in order to show the time of each operating mode.LED display system by 4069,4011 and 74LS273 form, in order to the residing working condition of indicating controller.

3, supervisory signal puocessing module

When controller was working properly, 8031 P1.7 mouth line output square wave provided trigger impulse for 4538, amplify through triode by 4538 pulses that produce, carry out the photoelectricity coupling by 4N25, send signal to central control room, so that equipment is carried out remote monitoring.

Be described below by circuit system structure below:

Power circuit I:

Shown in Figure 11 a, 11b, the chief component of power supply has: transformer T1, T2; Rectifier bridge B1, B2; Capacitor C 15～C16 voltage stabilizer M1, M2.External 220V Ac is through transformation, rectification, voltage stabilizing, for controller provide Vcc (+5V) and+the 12V DC electrical source.

Signal input circuit II:

Shown in Figure 12 a～12c, signal input circuit comprises that 2. system resets of 1. framing signals and power down protection 3. settings are specified, operating mode presets, modify instruction is formed

1. framing signal, as Figure 12 a, mainly form by UGN3020,4N25 and resistance, UGN3020 passes to signal at the IN+ end of 4N25, and signal is input to 8031 P1.3 mouth line through the E of 4N25 end, make 8031 can judge correctly whether the plane rotary chip is in the tram.

2. system reset and power down protection circuit

Shown in Figure 12 b, mainly by 555 triggers, 4000,4011, diode and resistance, electric capacity is formed, after controller is connected power supply, the charging circuit of being made up of R14 and C11 provides systematic reset signal through 4000 and 4011 for 8031 RES end, in the time need carrying out manual reset to system, SW-PB1 pushes button, reset signal can send 8031 RES end to through 4000 and 4011 by 555 Q end, the bleeder circuit that is composed in series by R35 and R36 sends signal to 8031 RES end too through 4011, when the power supply sudden power, can keep the information in 8031 ram in slice not lost, make the working state before telegram in reply back controller can recover outage.

3. instruction is set, operating mode presets and modify instruction

Shown in Figure 12 c, mainly form by 555 triggers and resistance, electric capacity, signal is controlled by button SW-PB, Q end through 555 sends, when signal is low level, in the central processing unit (CPU) 8031 cut off request with acceptance, and automatically starting electrical machinery enters next working state, returns main program after finishing the service of cutting off.Instruction is set, operating mode presets and the function of modify instruction in order to finish, and this control system needs four groups of identical circuit, only represents with Figure 12 c at this.The Q end of 555 triggers connects 8031 P1.0, P1.1, P1.2 mouth line and INTI port respectively.

Central processing unit (CPU) III:

As shown in figure 13, the central processing unit (CPU) of controller adopts 8031, owing to himself be provided with program storage, therefore external latch 74LS373 and program storage 2762 have the application program of controller in 2764.The crystal oscillator of the 6MHZ that X1 by 8031 and X2 end are external provides the clock source for controller.

Signal output apparatus IV:

Shown in Figure 14 a～14d, mainly form by motor output driving circuit, supervisory signal processing circuit and display circuit.Mainly in order to the residing working state of indication mechanism.

1. motor output driving circuit

Shown in Figure 14 a, mainly to form by 4N25, triode 3dk, relay SSR and motor M OTOR-AC, the signal of control motor is exported by 8031 P1.4 mouth line, controls the break-make of motor power by relay SSR.

2. supervisory signal processing circuit

Shown in Figure 14 b, supervisory signal is sent to after 4538 by the output of 8031 P1.7 mouth line, through triode N5 and photo coupler U16, and by the E end of U16 signal OUT is exported to central control room at last by the Q end of U15:B.

3. display circuit

Mainly comprise light emitting diode display circuit (Figure 14 c) and nixie tube display circuit (Figure 14 d), in light emitting diode display circuit, light emitting diode adopts anode Placement altogether, the demonstration signal is held by 8031 D0～D7 that pass to 74LS273, and holding output by Q0～Q7, control signal WR and A2 are delivered to the CLK end of 74LS273 behind 4069 and 4011 combined transformation.In the nixie tube display circuit, mainly form by 4069,4011 and 4511, because digital display belongs to general technology, expression and explanation are given in the end among the figure.Control signal A0, A1 that is sent by central processing unit (CPU) and WR change through 4069 and 4011 combination, pass to four 4511 LE end respectively, show signal D0～D7 after 4511 decodings, export to nixie tube by its A～G end.

Claims

1, the rotational automatic switch type multiport valve in a kind of plane, it has the upper valve body (1) and the following valve body (2) on plane, it is characterized in that: in the middle of upper valve body (1) and following valve body (2), be provided with plane rotary chip (3), outside plane rotary chip (3), be with seal protection circle (4); Plane rotary chip (3) is meshed with gear shaft (5), and gear shaft (5) lower end is meshed with small gear (7) on the micro motor (M) by gear (6); Upper valve body (1) and following valve body (2) have a plurality of corresponding through holes, and rotary chip (3) also has a plurality of through holes; Micro motor (M) and control circuit system join, and the control circuit system comprises power supply, signal input circuit, central processing unit (CPU), signal output apparatus, wherein central processing unit (CPU) mainly by 8031,74LS373,2764 forms.

2, the rotational automatic switch type multiport valve in plane according to claim 1 is characterized in that: the angle between a plurality of corresponding through hole on upper valve body (1) and the following valve body (2) is 30 °～180 °, and is 30 ° multiple.