CN107327610B - Angle control circuit of valve bank and valve bank control method - Google Patents
Angle control circuit of valve bank and valve bank control method Download PDFInfo
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- CN107327610B CN107327610B CN201710576074.3A CN201710576074A CN107327610B CN 107327610 B CN107327610 B CN 107327610B CN 201710576074 A CN201710576074 A CN 201710576074A CN 107327610 B CN107327610 B CN 107327610B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/046—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor with electric means, e.g. electric switches, to control the motor or to control a clutch between the valve and the motor
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Abstract
An angle control circuit and a valve group control method of a valve group comprise a valve group control module, wherein the module comprises: the control box is internally provided with a control board, a micro switch for controlling the forward rotation and the reverse rotation of the motor is arranged in the control box, the micro switch and the motor are connected with the control board, a motor shaft is connected with a valve plate shaft and is provided with two convex cams, and the cams touch the two micro switches along with the forward rotation and the reverse rotation of the motor to finish valve opening and valve closing. According to the valve group control module, the rotation angle of the motor is determined by the micro switch, and the motor can be stopped immediately after power failure. The magnetic latching relay, the micro relay, the resistor, the capacitor, the button switch, the micro switch and other devices are adopted, and the magnetic latching relay is controlled by hardware, so that the magnetic latching relay has extremely high reliability and long service life; the long-term stable and reliable work is ensured, and the electromagnetic compatibility experiment can be passed.
Description
Technical Field
The invention discloses a valve group control module, which is used for distributing gas flow directions and relates to the field of vehicle parts.
Background
At present, the valve group is used in combination, and an accurate control mode is required to maintain excellent performance. The core of the product control of the valve group is to control the motor to rotate, so as to meet the requirement that the motor is stopped immediately after power failure. In the prior art, the motor is controlled in a plurality of modes, but the motor has low accuracy, low reliability and short service life.
Disclosure of Invention
In order to solve the technical problems, the invention provides a valve group control module, wherein a microswitch determines the rotating angle of a motor and can stop the motor when the motor is powered off. The magnetic latching relay, the micro relay, the resistor, the capacitor, the button switch, the micro switch and other devices are adopted, and the magnetic latching relay is controlled by hardware, so that the magnetic latching relay has extremely high reliability and long service life; the long-term stable and reliable work is ensured, and the electromagnetic compatibility experiment can be passed.
The technical scheme adopted by the invention is as follows:
the utility model provides a valves control module, includes control box, motor, power, be provided with the control panel in the control box for control motor just, the micro-gap switch of reversal is installed in the control box, micro-gap switch, motor and control panel connection, motor shaft connection valve plate axle are equipped with two bellied cams, along with just, the reversal of motor, the cam touches two micro-gap switches, accomplishes and opens the valve and close the valve.
The valve plate shaft drives the valve plate to move in the pipeline vertically or parallelly with the pipeline wall to close or open the valve.
The motor shaft drives the load to realize the forward rotation of 90 degrees or the reverse rotation of 90 degrees.
The power supply is a lithium battery pack or a vehicle starting storage battery.
The control box is connected with a power supply, and an operation switch indicator lamp and a valve plate position indicator lamp are arranged in the control box.
The control box is provided with an eight-core aviation plug for outputting a valve plate position feedback signal.
An angle control circuit comprises a magnetic latching relay JC1, a relay J2, a relay J3, a relay J4, a micro switch K3, a micro switch K4, a valve closing button switch K1 and a valve opening button switch K2.
The power supply "+" pole is connected with one end of a normally open contact of the relay J4, the other end of the normally open contact of the relay J4 is connected with one end of a normally open contact of the relay J1, the other end of the normally open contact of the relay J1 is connected with one end of a resistor R1, the other end of the resistor R1 is connected with one end of a resistor R2, and the other end of the resistor R2 is connected with the power supply "-" pole;
one end of the valve closing button switch K1 is connected with the other end of the normally open contact of the relay J4, and the other end of the valve closing button switch K1 is connected with one end of the resistor R1;
one end of a capacitor C1 is connected with the other end of the valve closing button switch K1, and the other end of the capacitor C1 is connected with a magnetic latching relay JC1;
one end of the resistor R2 is connected with the other end of the capacitor C1;
the power supply "+" pole is connected with one end of a normally open contact of the relay J3, the other end of the normally open contact of the relay J3 is connected with one end of a normally open contact of the relay J2, the other end of the normally open contact of the relay J2 is connected with one end of a resistor R3, the other end of the resistor R3 is connected with one end of a resistor R4, and the other end of the resistor R4 is connected with the power supply "-" pole;
one end of the valve opening button switch K2 is connected with the other end of the normally open contact of the relay J3, and the other end of the valve opening button switch K2 is connected with one end of the resistor R3;
one end of the capacitor C2 is connected with the other end of the valve opening button switch K2, and the other end of the capacitor C2 is connected with the magnetic latching relay JC1;
one end of the resistor R3 is connected with the other end of the capacitor C2;
the power supply "+" pole is connected with one end of the other normally-open contact of the relay J1, the other end of the other normally-open contact of the relay J1 is connected with one end of the other normally-closed contact of the relay J1, and the other end of the other normally-closed contact of the relay J1 is connected with the power supply "-" pole;
the power supply "+" pole is connected with one end of the other normally-open contact of the relay J2, the other end of the other normally-open contact of the relay J2 is connected with one end of the other normally-closed contact of the relay J2, and the other end of the other normally-closed contact of the relay J2 is connected with the power supply "-" pole;
the other end of the other normally open contact of the relay J1 is connected with one end of the motor M, and the other end of the motor M is connected with the other end of the other normally open contact of the relay J2;
the power supply "+" pole is connected with one end of the micro switch K3, the other end of the micro switch K3 is connected with one end of the normally closed contact JC1.1 of the magnetic latching relay JC1, the other end of the normally closed contact JC1.1 of the magnetic latching relay JC1 is connected with the relay J3, and the relay J3 is connected with the power supply "-" pole;
the power supply "+" pole is connected with one end of the micro switch K4, the other end of the micro switch K4 is connected with one end of the normally closed contact JC1.2 of the magnetic latching relay JC1, the other end of the normally closed contact JC1.2 of the magnetic latching relay JC1 is connected with the relay J4, and the relay J4 is connected with the power supply "-" pole.
The power supply "+" pole is connected with one end of a contact of the relay J3, the other end of the contact of the relay J3 is connected with one end of the valve position display lamp L1, and the other end of the valve position display lamp L1 is connected with the power supply "-" pole;
the power supply "+" pole is connected with one end of a contact of the relay J4, the other end of the contact of the relay J4 is connected with one end of the valve position display lamp L2, and the other end of the valve position display lamp L2 is connected with the power supply "-" pole.
According to the valve group control module, the rotation angle of the motor is determined by the micro switch, and the motor can be stopped immediately after power failure. The magnetic latching relay, the micro relay, the resistor, the capacitor, the button switch, the micro switch and other devices are adopted, and the magnetic latching relay is controlled by hardware, so that the magnetic latching relay has extremely high reliability and long service life; the long-term stable and reliable work is ensured, and the electromagnetic compatibility experiment can be passed.
Drawings
Fig. 1 is a control circuit diagram of the present invention.
FIG. 2 is a schematic diagram of a combined valve block according to the present invention;
fig. 3 is a schematic diagram of a combined valve block according to the second embodiment of the present invention.
Wherein in fig. 2 and 3, 1: a motor, 2: speed reducer, 3: speed reducer mounting plate, 4: micro-contact switch, 5, cam, 6: valve plate, 7: rotating shaft, 8: valve body inner chamber, 9: boss, 10: bottom cover, 11: the valve body is provided with an outer cavity.
Detailed Description
As shown in fig. 1, 2 and 3, a valve group control module includes a control box, a motor, a power supply, and is characterized in that:
the control box is internally provided with a control board, a micro switch for controlling the forward and reverse rotation of the motor is arranged in the control box, the micro switch and the motor are connected with the control board, a motor shaft is connected with a valve plate shaft and is provided with two convex cams, and the cams touch the two micro switches along with the forward and reverse rotation of the motor to finish valve opening and valve closing.
The valve plate shaft drives the valve plate to move in the pipeline vertically or parallelly with the pipeline wall to close or open the valve.
The motor shaft drives the load to realize the forward rotation of 90 degrees or the reverse rotation of 90 degrees.
The power supply is a lithium battery pack or a vehicle starting storage battery.
The control box is connected with a power supply, and an operation switch indicator lamp and a valve plate position indicator lamp are arranged in the control box.
The control box is provided with an eight-core aviation plug for outputting a valve plate position feedback signal.
As shown in fig. 2 and 3, the mechanical part of the combined valve group comprises a motor 1, a speed reducer 2, a speed reducer mounting plate 3, a micro-contact switch, a cam 5, a valve plate 6, a rotating shaft 7, a valve body inner cavity 8, a boss 9, a bottom cover 10, a valve body outer cavity 11 and other mechanical parts. The opening of the valve group is respectively provided with a valve plate 6 which can rotate within 90 degrees, each valve plate 6 is controlled to be opened and closed by an independent motor 1 and a corresponding angle control circuit, and the opening and the closing of the valve plates 6 are not influenced; when the valve plate 6 is in a completely closed state, the periphery of the valve plate 6 is tightly pressed on a rubber sealing gasket on a boss 9 of the valve body inner cavity 8, so that reliable sealing is realized.
An angle control circuit is characterized in that a micro switch determines the rotating angle of a motor M and can stop the motor M when the motor M is powered off. The angle control circuit comprises a magnetic latching relay JC1, a relay J2, a relay J3, a relay J4, a micro switch K3, a micro switch K4, a valve closing button switch K1 and a valve opening button switch K2, and the components are arranged on a PCB control board.
The power supply "+" pole is connected with one end of a normally open contact of the relay J4, the other end of the normally open contact of the relay J4 is connected with one end of a normally open contact of the relay J1, the other end of the normally open contact of the relay J1 is connected with one end of a resistor R1, the other end of the resistor R1 is connected with one end of a resistor R2, and the other end of the resistor R2 is connected with the power supply "-" pole;
one end of the valve closing button switch K1 is connected with the other end of the normally open contact of the relay J4, and the other end of the valve closing button switch K1 is connected with one end of the resistor R1;
one end of a capacitor C1 is connected with the other end of the valve closing button switch K1, and the other end of the capacitor C1 is connected with a magnetic latching relay JC1;
one end of the resistor R2 is connected with the other end of the capacitor C1;
the power supply "+" pole is connected with one end of a normally open contact of the relay J3, the other end of the normally open contact of the relay J3 is connected with one end of a normally open contact of the relay J2, the other end of the normally open contact of the relay J2 is connected with one end of a resistor R3, the other end of the resistor R3 is connected with one end of a resistor R4, and the other end of the resistor R4 is connected with the power supply "-" pole;
one end of the valve opening button switch K2 is connected with the other end of the normally open contact of the relay J3, and the other end of the valve opening button switch K2 is connected with one end of the resistor R3;
one end of the capacitor C2 is connected with the other end of the valve opening button switch K2, and the other end of the capacitor C2 is connected with the magnetic latching relay JC1;
one end of the resistor R3 is connected with the other end of the capacitor C2;
the power supply "+" pole is connected with one end of the other normally-open contact of the relay J1, the other end of the other normally-open contact of the relay J1 is connected with one end of the other normally-closed contact of the relay J1, and the other end of the other normally-closed contact of the relay J1 is connected with the power supply "-" pole;
the power supply "+" pole is connected with one end of the other normally-open contact of the relay J2, the other end of the other normally-open contact of the relay J2 is connected with one end of the other normally-closed contact of the relay J2, and the other end of the other normally-closed contact of the relay J2 is connected with the power supply "-" pole;
the other end of the other normally open contact of the relay J1 is connected with one end of the motor M, and the other end of the motor M is connected with the other end of the other normally open contact of the relay J2;
the power supply "+" pole is connected with one end of the micro switch K3, the other end of the micro switch K3 is connected with one end of the normally closed contact JC1.1 of the magnetic latching relay JC1, the other end of the normally closed contact JC1.1 of the magnetic latching relay JC1 is connected with the relay J3, and the relay J3 is connected with the power supply "-" pole;
the power supply "+" pole is connected with one end of the micro switch K4, the other end of the micro switch K4 is connected with one end of the normally closed contact JC1.2 of the magnetic latching relay JC1, the other end of the normally closed contact JC1.2 of the magnetic latching relay JC1 is connected with the relay J4, and the relay J4 is connected with the power supply "-" pole.
The power supply "+" pole is connected with one end of a contact of the relay J3, the other end of the contact of the relay J3 is connected with one end of the valve position display lamp L1, and the other end of the valve position display lamp L1 is connected with the power supply "-" pole;
the power supply "+" pole is connected with one end of a contact of the relay J4, the other end of the contact of the relay J4 is connected with one end of the valve position display lamp L2, and the other end of the valve position display lamp L2 is connected with the power supply "-" pole.
In the valve opening method, normally closed contact JC1.2 is closed, relay J4 is closed by power supply of micro switch K4 and normally closed contact JC1.2, relay J4 is conducted, and normally open contact of relay J4 is closed; pressing a valve closing button switch K1, conducting the relay J1 electrically, and self-locking and supplying power by a group of normally open contacts of the relay J1; the other group of normally open contacts of the relay J1 supplies power to the motor M, because the normally closed contacts of the group are disconnected, current flows into the motor M from the normally open contacts of the relay J1, current flows out to a power source "-" pole from the normally closed contacts of the relay J2, the motor M reversely rotates, in the rotating process, the cam touches the microswitch K4 to enable the relay J4 to be powered off, the normally open contacts of the relay J4 are disconnected, the relay J1 is powered off again, and after the relay J1 is powered off, the motor M is stopped, and valve closing is executed.
After the valve is closed, the two ends of the motor M are short-circuited, so that the influence of residual electromotive force of the direct current motor is eliminated, and the motor M achieves the effect of stopping immediately after power failure; meanwhile, electric energy on the capacitor C1 is discharged through loops of the magnetic latching relay JC1, the relay J1, the resistor R1 and the resistor R2, the magnetic latching relay JC1 is triggered, a normally-closed contact of the magnetic latching relay JC1 is opened, a normally-open contact of the magnetic latching relay JC1 is closed, power is supplied to the magnetic latching relay J3 through the microswitch K3, the normally-open contact of the magnetic latching relay J3 is closed, an operation loop of the valve opening button switch K2 is closed, and therefore working conditions are provided for valve opening.
When a normally open contact of a relay J3 is closed, a button switch K2 is pressed, the relay J2 is electrically conducted, one group of normally open contacts of the relay J2 is self-locked to supply power, the other group of normally open contacts of the relay J2 supplies power to a motor M, because the normally closed contacts of the group are disconnected, current flows into the motor M from the normally open contacts of the relay J2, flows out to a power source "-" pole from the normally closed contacts of the relay J1, the motor M rotates positively, and in the rotating process, the other protrusion of the cam contacts the micro switch K3 to cut off the power of the relay J3, the normally open contacts of the relay J3 are disconnected, and the relay J2 is powered down. After the relay J2 is powered off, the motor M is stopped, and the valve opening is performed.
After the valve is opened, the two ends of the motor M are short-circuited, the influence of residual electromotive force of the direct current motor is eliminated, the motor achieves the effect that the motor is stopped immediately after power failure, meanwhile, electric energy on the capacitor C2 is discharged through loops of the magnetic latching relay JC2, the relay J2, the resistor R3 and the resistor R4, the magnetic latching relay JC1 is triggered, a normally open contact of the magnetic latching relay JC1 is opened, a closed contact is closed, the power is supplied to the relay J4 through the microswitch K4, the normally open contact of the relay J4 is closed, the operation loop of the valve closing button switch K1 is closed, thus working conditions are provided for the valve closing, and the operation of the valve opening cannot be responded due to the opening of the relay J3.
The other group of contacts of the relay J3 and the relay J4 are as follows: the position display and valve position feedback signals of the valve are output through the eight-core aviation plug.
In the invention, the angle control circuit is completed: the valve can only be closed after the valve is opened, and the valve can only be opened after the valve is closed.
In the invention, the position of the micro switch determines the rotation angle of the valve plate, and in theory, the motor M can rotate forward and backward at any angle within 360 degrees; in practice, it is set that the forward and reverse directions are rotated by 90 ° each.
Claims (4)
1. An angle control circuit comprises a magnetic latching relay JC1, a relay J2, a relay J3, a relay J4, a micro switch K3, a micro switch K4, a valve closing button switch K1 and a valve opening button switch K2; the method is characterized in that:
the power supply "+" pole is connected with one end of a normally open contact of the relay J4, the other end of the normally open contact of the relay J4 is connected with one end of a normally open contact of the relay J1, the other end of the normally open contact of the relay J1 is connected with one end of a resistor R1, the other end of the resistor R1 is connected with one end of a resistor R2, and the other end of the resistor R2 is connected with the power supply "-" pole;
one end of the valve closing button switch K1 is connected with the other end of the normally open contact of the relay J4, and the other end of the valve closing button switch K1 is connected with one end of the resistor R1;
one end of a capacitor C1 is connected with the other end of the valve closing button switch K1, and the other end of the capacitor C1 is connected with a magnetic latching relay JC1;
one end of the resistor R2 is connected with the other end of the capacitor C1;
the power supply "+" pole is connected with one end of a normally open contact of the relay J3, the other end of the normally open contact of the relay J3 is connected with one end of a normally open contact of the relay J2, the other end of the normally open contact of the relay J2 is connected with one end of a resistor R3, the other end of the resistor R3 is connected with one end of a resistor R4, and the other end of the resistor R4 is connected with the power supply "-" pole;
one end of the valve opening button switch K2 is connected with the other end of the normally open contact of the relay J3, and the other end of the valve opening button switch K2 is connected with one end of the resistor R3;
one end of the capacitor C2 is connected with the other end of the valve opening button switch K2, and the other end of the capacitor C2 is connected with the magnetic latching relay JC1;
one end of the resistor R3 is connected with the other end of the capacitor C2;
the power supply "+" pole is connected with one end of the other normally-open contact of the relay J1, the other end of the other normally-open contact of the relay J1 is connected with one end of the other normally-closed contact of the relay J1, and the other end of the other normally-closed contact of the relay J1 is connected with the power supply "-" pole;
the power supply "+" pole is connected with one end of the other normally-open contact of the relay J2, the other end of the other normally-open contact of the relay J2 is connected with one end of the other normally-closed contact of the relay J2, and the other end of the other normally-closed contact of the relay J2 is connected with the power supply "-" pole;
the other end of the other normally open contact of the relay J1 is connected with one end of the motor M, and the other end of the motor M is connected with the other end of the other normally open contact of the relay J2;
the power supply "+" pole is connected with one end of the micro switch K3, the other end of the micro switch K3 is connected with one end of the normally closed contact JC1.1 of the magnetic latching relay JC1, the other end of the normally closed contact JC1.1 of the magnetic latching relay JC1 is connected with the relay J3, and the relay J3 is connected with the power supply "-" pole;
the power supply "+" pole is connected with one end of the micro switch K4, the other end of the micro switch K4 is connected with one end of the normally closed contact JC1.2 of the magnetic latching relay JC1, the other end of the normally closed contact JC1.2 of the magnetic latching relay JC1 is connected with the relay J4, and the relay J4 is connected with the power supply "-" pole.
2. An angle control circuit according to claim 1, wherein: the power supply "+" pole is connected with one end of a contact of the relay J3, the other end of the contact of the relay J3 is connected with one end of the valve position display lamp L1, and the other end of the valve position display lamp L1 is connected with the power supply "-" pole;
the power supply "+" pole is connected with one end of a contact of the relay J4, the other end of the contact of the relay J4 is connected with one end of the valve position display lamp L2, and the other end of the valve position display lamp L2 is connected with the power supply "-" pole.
3. A valve group opening method using the angle control circuit according to claim 1 or 2, characterized in that: the normally-closed contact JC1.2 is closed, the relay J4 is closed by power supply of the micro switch K4 and the normally-closed contact JC1.2, the relay J4 is conducted, and the normally-open contact of the relay J4 is closed; pressing a valve closing button switch K1, conducting the relay J1 electrically, and self-locking and supplying power by a group of normally open contacts of the relay J1; the other group of normally open contacts of the relay J1 supplies power to the motor M, because the normally closed contacts of the group are disconnected, current flows into the motor M from the normally open contacts of the relay J1, current flows out to a power source "-" pole from the normally closed contacts of the relay J2, the motor M reversely rotates, in the rotating process, the cam touches the microswitch K4 to enable the relay J4 to be powered off, the normally open contacts of the relay J4 are disconnected, the relay J1 is powered off again, and after the relay J1 is powered off, the motor M is stopped, and valve closing is executed;
after the valve is closed, the two ends of the motor M are short-circuited, so that the influence of residual electromotive force of the direct current motor is eliminated, and the motor M achieves the effect of stopping immediately after power failure; meanwhile, electric energy on the capacitor C1 is discharged through loops of the magnetic latching relay JC1, the relay J1, the resistor R1 and the resistor R2, the magnetic latching relay JC1 is triggered, a normally-closed contact of the magnetic latching relay JC1 is opened, a normally-open contact of the magnetic latching relay JC1 is closed, power is supplied to the magnetic latching relay J3 through the microswitch K3, the normally-open contact of the magnetic latching relay J3 is closed, an operation loop of the valve opening button switch K2 is closed, and therefore working conditions are provided for valve opening.
4. A valve closing method of a valve group using the angle control circuit according to claim 1 or 2, characterized in that: when the normally open contact of the relay J3 is closed, the button switch K2 is pressed, the relay J2 is electrically conducted, one group of normally open contacts of the relay J2 is self-locked to supply power, the other group of normally open contacts of the relay J2 supplies power to the motor M, because the normally closed contacts of the group are disconnected, current flows into the motor M from the normally open contacts of the relay J2 and flows out to a power supply '-' pole from the normally closed contacts of the relay J1, the motor M rotates positively, and in the rotating process, the other bulge of the cam contacts the micro switch K3 to cut off the power of the relay J3, and the normally open contacts of the relay J2 are disconnected to cut off the power of the relay J2;
after the relay J2 is powered off, the motor M stops, and the valve opening is performed;
after the valve is opened, the two ends of the motor M are short-circuited, the influence of residual electromotive force of the direct current motor is eliminated, the motor achieves the effect that the motor is stopped immediately after power failure, meanwhile, electric energy on the capacitor C2 is discharged through loops of the magnetic latching relay JC2, the relay J2, the resistor R3 and the resistor R4, the magnetic latching relay JC1 is triggered, a normally open contact of the magnetic latching relay JC1 is opened, a closed contact is closed, the power is supplied to the relay J4 through the microswitch K4, the normally open contact of the relay J4 is closed, the operation loop of the valve closing button switch K1 is closed, thus working conditions are provided for the valve closing, and the operation of the valve opening cannot be responded due to the opening of the relay J3.
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| CN201710576074.3A CN107327610B (en) | 2017-07-14 | 2017-07-14 | Angle control circuit of valve bank and valve bank control method |
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| CN201710576074.3A CN107327610B (en) | 2017-07-14 | 2017-07-14 | Angle control circuit of valve bank and valve bank control method |
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