CN2196719Y

CN2196719Y - Intelligent cipher valve controller

Info

Publication number: CN2196719Y
Application number: CN 94214545
Authority: CN
Inventors: 齐国庆; 韩世诚; 崔杰; 郭力胜
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-06-17
Filing date: 1994-06-17
Publication date: 1995-05-10
Anticipated expiration: 2004-06-17

Abstract

The utility model relates to an intelligent cipher valve controller which is composed of a lock block, lock body and a control circuit. A decoder is input with pertinent data by using an electronic coder, and the data and a cipher in a memory are verified. In case the cipher and the data are consistent, a control circuit powers up a coil in the lock body, a control sheet is attracted to act, and accordingly, a main and an auxiliary lock pins are rightwards shifted by a connecting rod and a linking sheet; the lock block is not embedded, and simultaneously, a valve is turned on. After the valve is turned off, the controller automatically reset and changes the control cipher in the memory, cipher capacity is large, and the cipher is difficult to decode. The utility model has the advantages of simple structure, ensures that the valve is not optionally turned on, and has an application prospect.

Description

Intelligent cipher valve controller

The utility model relates to a kind of valve opening and closing control gear of large-scale oil transport pipeline, exactly, relate to a kind of electronic device that utilizes and carry out cryptographic check, with judge can opening/shutting valve the intelligent cipher valve positioner.

Present various pipeline valves all are mainly to be made of valve body, spool, elevator mechanism and rotating disk etc.General as long as rotate rotating disk, drive the spool lifting by rotating, thereby open or throttle down with the coaxial elevator mechanism of rotating disk.Valve structure on the oil transport pipeline that uses on the petroleum industry also is so, still, in many applications, does not allow this oil transport pipeline valve arbitrarily to be opened usually, exempts from loss to guarantee national wealth.For this reason, the method for employing be install mechanical lock on the existing valve additional and by two people more than administer the key of this mechanical lock jointly.This method has solved the problem that the oil transport pipeline valve is arbitrarily opened to a certain extent; But,, be contained in the mechanical lock corrosion on this pipeline valve with regard to being easy to the Yin Yuxuelu frost because oil transport pipeline all is mounted in the field, so that it is unrenewable key operated, have to a lock and smash, both had a strong impact on the normal use of valve, also bring too many trouble and loss to work.

The purpose of this utility model provides a kind of intelligent cipher valve positioner, installs mechanical lock at present additional and comes control valve to open and the various problems that exists to solve.

The utility model is to be made of lock dog, lock body and control circuit, it is characterized in that: the centre of lock dog is provided with tapped hole, and a side of close lock body is respectively equipped with shrinkage pool and guide wheel; The rectangular body of lock body, be provided with in it by control circuit and control the electromagnet coil whether it powers up, control strip and linkage mechanism that control interlock sheet moves back and forth, and the main lock pin of the stretched into lock dog that be arranged in parallel shrinkage pool with can be by guide wheel and spring action, what make that the interlock sheet resets pays lock pin and interlock sheet mechanism thereof; Control circuit then has the scaling circuit that is made of magnet, Hall element and counter chip, password storage, checking circuit that is made of encoder chip, memory chip and decoder chip and the electromagnet coil drive circuit that is made of R-S trigger and transistor.

The utility model has the advantages that the oil transport pipeline valve of giving that can thoroughly abandon present use installs mechanical lock additional, must not control the arbitrarily classical management approach of Open valve, can not cause because of the mechanical lock rust corrosion and can't open, must firmly smash the predicament that this lock can Open valve.The utility model utilization advanced person's electronic device carries out password storage, cryptographic check, thereby judges that the user whether can Open valve, is that a kind of machinery, electronics of merging is in the novel valve control gear of one.Because this device is to adopt EPROM ROM (read-only memory) memory cipher, the password capacity is big, is difficult for repeating, and is difficult to broken releasing; And have intelligent characteristics, can store or rewrite password easily; The mechanical structure of lock body is fairly simple, have interlocking with from reset function, design concept is more ingenious.In a word, the utility model is the pipeline valve controller that has much application prospect.

Fig. 1 is mechanical structure schematic representation of the present utility model (wherein A is a front view, and B is a plan view).

Fig. 2 is connecting rod and a control strip structural scheme of mechanism in the utility model

Fig. 3 is the control circuit electrical schematic diagram in the utility model.

Referring to Fig. 1, Fig. 2, the utility model is to be made of lock dog 1, lock body 2 and electronic control circuit shown in Figure 3, wherein the centre of lock dog 1 is provided with tapped hole 3, can be enclosed within lock dog 1 in the valve body of pipeline valve on the leading screw in the elevator mechanism by this tapped hole 3, lock dog 1 is rotated and lifting with leading screw.Lock dog 1 is respectively equipped with shrinkage pool 4 and guide wheel 11 near a side of lock body 2.Lock body 2 rectangular bodies, it is packed in the valve body.One side of lock body 2 is equipped with main lock pin 5 and pays lock pin 12 and interlock sheet 6, wherein main, a pair lock pin 5,12 all is one and has two sections cylindrical bodys that diameter is different, the outside (referring to Fig. 1) of the extended lock body 2 of an end that diameter is bigger, at this moment, main lock pin 5 can stretch into 4 li of the shrinkage pools of lock dog 1, to block lock dog, do not allow it move up and down with leading screw, thus the kayser valve.The effect of paying lock pin 12 is energy storage, and interlock sheet 6 can be moved from resetting.Interlock sheet 6 is for being the metal parts of L type, and the one side is provided with and penetrates two main, as to pay lock pin circular holes respectively, and these side central authorities are provided with the location shrinkage pool.This interlock sheet 6 is subjected to clamping down on of connecting rod 17.Control strip 16 can make the interlock sheet move to right (referring to Fig. 2) with the mechanism of connecting rod 17 combinations: wherein end one side of control strip 16 has a small gap.Take this breach, control strip 16 blocks connecting rod 17, make it to be in the A condition shown in Fig. 2 solid line, because of the rounded end of connecting rod 17 is positioned on the interlock sheet 6, at this moment, interlock sheet 6 also is clamped at left side, the ejection of the sheet 6 that linked, main, a pair lock pin 5,12 also all stretches out in the outside of lock body 2 effect of card lifting Lock valve.As under the control circuit effect, electromagnet coil 8 obtains electricity and produces suction, attract control strip 16 to turn to B state shown in dotted line to the right, then connecting rod 17 will lose blocking and pop up (this elastic force is to produce by paying the energy storage spring 14 that is inserted in the middle of the lock pin 12), and, connecting rod 17 also drives interlock sheet 6, main lock pin 5, pay a lock pin 12 moves to right together, makes main lock pin 5 withdraw from shrinkage pool 4 in the lock dog 1, makes lock dog 1 no longer by kayser.Valve just can open or close 3 by rotating rotating disk and leading screw like this.

In case coil 8 dead electricity no longer produce attraction forces to control strip 16, under the effect of Returnning spring 15, interlock sheet 6 is pushed to the left side, and drivening rod 17 clockwise rotates, and makes it to clamp down on again the breach in the control strip end.Pay the larger diameter end of lock pin 12 and withstood by guide wheel 11 again again this moment, and the end of main lock pin 5 will be stretched into again in the shrinkage pool 4 of lock dog 1 under the ejection of its spring 7, play the kayser effect.

Control circuit of the present utility model as shown in Figure 3.IC1 is an encoder chip among the figure, and IC2 is a decoder chip, and IC3 is the encryption memory chip, and IC4 is a counter chip, and IC5 is the R-S trigger.9 is Hall element.

Below in conjunction with using method of the present utility model and working procedure, further introduce its working principle again:

At first, should use microcomputer or the single-chip microcomputer unlocking cipher to IC3 order input some, this password is eight one group, must keep it firmly in mind.When desiring Open valve, the staff should get this from the management valve personnel earlier and open the valve password, and two output line X, the Y of encoder IC1 in the utility model control circuit is inserted input end X ', the Y ' of decoder in this device.IC1 is and changes the serial coding device, exports IC2 by a plurality of switch potential states its input end to by its serial port, carries out verification with the password of IC3 storage.If both codings conform to, then from the output terminal output pulse signal of IC2, through IC5 flip-flop circuit and transistor driver circuit, electromagnet coil 8 is powered up, attract control strip 16 to rotate counterclockwise to B state shown in Figure 2, connecting rod 17 is broken away from clamping down on of control strip 16 and is rotated counterclockwise, and under the promotion of energy storage spring 14, drive interlock sheet 6 and move to right, this moment, main lock pin 5 was return in the lock body 2 fast, no longer embedded 3 li of the shrinkage pools of lock dog 1.So just can drive to move on the spool by rotary turnplate and leading screw and open valve, lock dog 1 will be with moving in the leading screw rotation.After moving on the lock dog 1, in case coil 8 dead electricity are main, pay lock pin 5,12, interlock sheet 6 will be under the effect of Returnning spring 15, moves to left and affranchises state.

When the end-of-job of draining the oil, when needing throttle down, rotary turnplate, leading screw move down lock dog 1, because of master, the head of paying lock pin 5,12 all are circular arc, wherein pay lock pin 12 and will force at the guide wheel 11 of lock dog 1 down, head into by force in the lock body 2.Like this, energy storage spring 14, Returnning spring 15 on it all are compressed, and interlock sheet 6 will be blocked by connecting rod 17.Simultaneously an insurance pressing plate 13 of installing on the interlock sheet will be stuck in the safety groove of main lock pin 5, and main lock pin 5 is locked, at this moment, also can not move even there is the people to prize main lock pin 5 by force firmly, thereby can firmly the pipeline valve pintle hook lock be lived.

Eject lock body 2 in a flash at main lock pin 5, the Hall element 9 that the magnet of installing on the interlock sheet 6 10 will be installed in valve body makes Hall element produce a pulse signal, and this signal will make the IC4 carry counting system as the clock input of counter chip IC4.Data-signal as IC4 output links to each other with the address wire of IC3 again, because the change of its address, make also corresponding the changing of data-signal of IC3, just, the content of encryption memory changes, when desiring Open valve, the code signal that must make encoder IC1 output is consistent with the data of encryption memory IC3 this moment, just can carry out opening the second time valve and operate next time.So constantly circulation both can guarantee that the oil transport pipeline valve can arbitrarily not opened, and guaranteed the safety of national wealth; The multiple inconvenience that can avoid adopting mechanical lock originally again and caused.

IC chip model IC1 in the utility model control circuit is YYH26, and IC2 is YYH28, and IC3 is 2732, and IC4 is 4040, and the model of Hall element is 3030.

Claims

1, a kind of intelligent cipher valve positioner that is used to control the oil transport pipeline valve opening and closing is to be made of lock dog, lock body and control circuit, and it is characterized in that: the centre of lock dog is provided with tapped hole, and a side of close lock body is respectively equipped with shrinkage pool and guide wheel; The rectangular body of lock body, be provided with in it by control circuit and control the electromagnet coil whether it powers up, control strip and linkage mechanism that control interlock sheet moves back and forth, and the main lock pin of the stretched into lock dog that be arranged in parallel shrinkage pool with can be by guide wheel and spring action, what make that the interlock sheet resets pays lock pin and interlock sheet mechanism thereof; Control circuit then has the scaling circuit that is made of magnet, Hall element and counter chip, password storage, checking circuit that is made of encoder chip, memory chip and decoder chip and the electromagnet coil drive circuit that is made of R-S trigger and transistor.

2, intelligent cipher valve positioner as claimed in claim 1, it is characterized in that: wherein main, a pair lock pin is one and has two sections cylindrical bodys that diameter is different, outside the bigger extended lock body of an end of diameter, the less end of diameter all is with spring and stretches in the circular hole of interlock sheet.

3, intelligent cipher valve positioner as claimed in claim 1 is characterized in that: the sheet that wherein links is the metal parts that is the L type, and the one side is provided with and penetrates two main, as to pay lock pin circular holes respectively, and these side central authorities are provided with the location shrinkage pool.