CN202746717U - Remote electric valve control system of CDMA (Code Division Multiple Access) network - Google Patents
Remote electric valve control system of CDMA (Code Division Multiple Access) network Download PDFInfo
- Publication number
- CN202746717U CN202746717U CN 201220444969 CN201220444969U CN202746717U CN 202746717 U CN202746717 U CN 202746717U CN 201220444969 CN201220444969 CN 201220444969 CN 201220444969 U CN201220444969 U CN 201220444969U CN 202746717 U CN202746717 U CN 202746717U
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- China
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- cdma network
- control system
- valve control
- electric valve
- reduction gear
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Abstract
The utility model mainly discloses a remote electric valve control system of a CDMA (Code Division Multiple Access) network. The remote electric valve control system comprises a plurality of lower computers, the CDMA network and an upper computer; the CDMA network covers the area scope where the lower computers are located; the lower computers exchanges date with the CDMA network; and the upper computer is connected with the CDMA network to perform data access and exchange. The remote electric valve control system adopts the singlechip technology and the CDMA network technology to realize remote control of electric valves.
Description
Technical field
The utility model relates to valve technology field, and is special relevant with a kind of long-range electric valve control system based on cdma network.
Background technique
In recent years, Some Domestic valve company has also carried out a large amount of research and development to mortor operated valve, and prospect a slice is bright, but compares with advanced international standard, also has very large gap.The valve manufacturing enterprise in the whole world has surpassed 5000, because the universal product manufacturing in the valve products is simple, demand is large, the competition in the whole world is also very fierce, five valve company: TYCO, FLOWSERVE, EMERSON, DRESSER, COOPER that the whole world is maximum, the outright selling volume only accounts for 12% of world market.Recently, ARC consulting group is investigated the market of final controlling element and valve positioner, thinks that intelligent valve positioner and intelligent actuator will be fastest-rising parts in the whole control valve market, and annual growth is estimated and can be surpassed 50%.
Although the valve body of conventional electric valve and motor special are through improving and optimizating for many years, substantially can adapt to all kinds of actual demand, some specific uses such as high temperature, high pressure, corrosion-resistant performance of the valve such as washing away have reached higher level, but the key that the restriction overall performance improves is that valve position (aperture) feeler mechanism is inaccurate, moment of torsion control is malfunctioning and can not remote monitoring, and these technology need to be resolved hurrily.Given this inventor designs a kind of long-range electric valve control system based on cdma network, and this case produces thus.
The model utility content
The purpose of this utility model provides a kind of long-range electric valve control system based on cdma network, adopts singlechip technology and cdma network technology, realizes the telecontrol to electric valve.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
A kind of long-range electric valve control system of cdma network comprises some lower-position units, the network of CDMA, upper-position unit; Cdma network covers in the residing regional extent of all lower-position units, and lower-position unit and cdma network carry out exchanges data; Upper-position unit is connected with cdma network, carries out data access and exchange.
Described lower-position unit is the electric valve control subsystem, comprises motor, first stage decelerator, two stage reduction gear, triple reduction gear, valve, valve synchronous tracer, single-chip microcomputer, phase shortage detection unit; Motor output is successively by being connected on the valve on first stage decelerator, two stage reduction gear, the triple reduction gear, the valve synchronous tracer detects the aperture of valve, and this aperture signal is delivered in the single-chip microcomputer, single-chip microcomputer draws the required stepping pulse signal of motor by the phase shortage detection unit, and this signal is delivered in the motor adjusts; Single-chip microcomputer is realized radio communication by COM1 and cdma network.
Described motor directly drives worm and gear and rotates output, and through first stage decelerator, two stage reduction gear, triple reduction gear transmission, final resultant gear ratio reaches 1000.
Described worm gear transmission ratio is 25, and the first stage decelerator velocity ratio is 3, and the two stage reduction gear velocity ratio is 3.33, and the triple reduction gear velocity ratio is 4.
Described single-chip microcomputer adopts the P87LPC76x series monolithic.
Described single-chip microcomputer is connected with display unit.
Described single-chip microcomputer is connected with voice unit.
After adopting such scheme, the utlity model has many beneficial effects:
The utility model combines machinery and electric network control technique, electricity is driven the valve telecontrol realize by wireless mode, utilizes CDMA technology, can not be subjected to the restriction in environment, geographical position in the cdma network coverage area, carries out wireless mode control.
Valve actuator of the present utility model concentrates on by original all multiple components that several component just can be realized and surpasses original function, and this technology is a technological innovation of valve industry.This achievement is indicating that some Electric actuators also will have a wide range of applications in other field.The utlity model has advanced moment and detect, can accurately carry out valve location control.
Description of drawings
Fig. 1 is the high-level schematic functional block diagram of the utility model preferred embodiment;
Fig. 2 is the electric valve control subsystem schematic diagram of the utility model preferred embodiment.
Embodiment
By reference to the accompanying drawings, preferred embodiment is described in further details to the utility model.
A kind of long-range electric valve control system of cdma network comprises some lower-position units 11, cdma network 20, upper-position unit 30.Cdma network covers in the residing regional extent of all lower-position units, and lower-position unit 11 carries out exchanges data with cdma network.Upper-position unit 30 is connected with cdma network 20, carries out data access and exchange.
The parameter of lower-position unit 11 Real-Time Monitoring valve drive motor changes, utilize the cdma network technology to send to upper-position unit 30, upper-position unit 30 is assigned various instructions according to the variation of its relevant information about power that transmits, transparent transmission is to lower-position unit 11, the relevant instruction of corresponding output is carried out switch valve to controller, to reach the function of the required realization of native system.
Utilize the peculiar packet data exchanged technology of cdma network technology in the utility model, information reaches real-time Transmission and processing.Simultaneously because the separation of voice messaging and data information transmission, realized the highly reliable and high stability of system, avoided interference that the mixed transport owing to information causes, incur loss through delay and made mistakes.
Upper-position unit upper-position unit 30 working principles are as follows:
By the relevant data that cdma network transmitted up, input database.Process through data, show the valve situation of relevant position at service process terminal, carry out the Realtime Alerts such as acousto-optic to surpassing the scope that sets data.Process accordingly in the extent of competence that has according to the registrant, such as switch valve, to carry out intelligent pressure regulating energy-conservation, Alert data such as browses at the corresponding function.
Lower-position unit 11 can be considered an independently electric valve control subsystem in the present embodiment, the module that mainly comprises has motor 1, first stage decelerator 2, two stage reduction gear 3, triple reduction gear 4, valve 5, valve synchronous tracer 6, single-chip microcomputer 7, phase shortage detection unit 8, can also comprise display unit 9 and voice unit 10 simultaneously.
Select stepper motor according to torque, the parameter of stepper motor is as shown in table 1 below:
The transmission aspect mainly relies on motor 1, first stage decelerator 2, two stage reduction gear 3, triple reduction gear 4 four to cooperate and realizes total velocity ratio 1000 in the present embodiment, specifically directly driving worm and gear by stepper motor rotates, behind worm and gear, after first stage decelerator 2, two stage reduction gear 3, triple reduction gear 4 transmissions, export again.First stage decelerator 2 in the present embodiment, two stage reduction gear 3, triple reduction gear 4 are the straight-tooth transmission.
Because total velocity ratio:
Wherein, N: the rotating speed of stepper motor, n: the revolution of output shaft.
For improving the transmission efficiency of worm and gear, a number of getting worm screw is 2.Velocity ratio is allocated as follows:
The power of motor 1 finally is connected on the valve 5 through after the transmission, and valve synchronous tracer 6 connects valve 5, detect the aperture of valve 5, valve synchronous tracer 6 is existing parts in the industry technical field, for detection of the device of valve opening, does not do here and gives unnecessary details.
Valve synchronous tracer 6 is connected to the aperture signal that collects on the single-chip microcomputer 7, and what adopt in the present embodiment is the P87LPC767 series monolithic, wherein adopts P87LPC76x, has at a high speed and crystal oscillator and the RC oscillating of low speed selection able to programme.Has wider operating voltage range.Programmable I/O mouth line output mode is selected, and can select the schmidt trigger input, the LED driver output.Inner WatchDog Timer is arranged.Antijamming capability is strong.
Single-chip microcomputer 7 at first inside carries out the valve position setting in advance, the aperture signal of the valve 5 that obtains is calculated through internal processes, obtain output value and be input in the phase shortage detection unit 8, phase shortage detection unit 8 is according to the parameter value of output in the single-chip microcomputer 7, be adjusted umber of pulse, be input to the umber of pulse of adjusting stepping in the motor 1, thereby adjust the aperture of valve, so circulation is until the aperture of valve 5 reaches certain precision.
In order to enrich function of the present utility model, on single-chip microcomputer 7, also be connected with display unit 9 and voice unit 10, can intuitively show the data of whole system, simultaneously can also point out and report to the police by sound.
Above-described embodiment only is used for explaining inventive concept of the present utility model, but not to the restriction of the utility model rights protection, allly utilizes this design that the utility model is carried out the change of unsubstantiality, all should fall into protection domain of the present utility model.
Claims (7)
1. the long-range electric valve control system of a cdma network is characterized in that: comprise some lower-position units, the network of CDMA, upper-position unit; Cdma network covers in the residing regional extent of all lower-position units, and lower-position unit and cdma network carry out exchanges data; Upper-position unit is connected with cdma network, carries out data access and exchange.
2. the long-range electric valve control system of a kind of cdma network as claimed in claim 1, it is characterized in that: described lower-position unit is the electric valve control subsystem, comprises motor, first stage decelerator, two stage reduction gear, triple reduction gear, valve, valve synchronous tracer, single-chip microcomputer, phase shortage detection unit; Motor output is successively by being connected on the valve on first stage decelerator, two stage reduction gear, the triple reduction gear, the valve synchronous tracer detects the aperture of valve, and this aperture signal is delivered in the single-chip microcomputer, single-chip microcomputer draws the required stepping pulse signal of motor by the phase shortage detection unit, and this signal is delivered in the motor adjusts; Single-chip microcomputer is realized radio communication by COM1 and cdma network.
3. the long-range electric valve control system of a kind of cdma network as claimed in claim 2, it is characterized in that: described motor directly drives worm and gear and rotates output, through first stage decelerator, two stage reduction gear, triple reduction gear transmission, final resultant gear ratio reaches 1000.
4. the long-range electric valve control system of a kind of cdma network as claimed in claim 2, it is characterized in that: described worm gear transmission ratio is 25, and the first stage decelerator velocity ratio is 3, and the two stage reduction gear velocity ratio is 3.33, and the triple reduction gear velocity ratio is 4.
5. the long-range electric valve control system of a kind of cdma network as claimed in claim 2 is characterized in that: described single-chip microcomputer employing P87LPC76x series monolithic.
6. the long-range electric valve control system of a kind of cdma network as claimed in claim 2, it is characterized in that: described single-chip microcomputer is connected with display unit.
7. the long-range electric valve control system of a kind of cdma network as claimed in claim 2, it is characterized in that: described single-chip microcomputer is connected with voice unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220444969 CN202746717U (en) | 2012-09-04 | 2012-09-04 | Remote electric valve control system of CDMA (Code Division Multiple Access) network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220444969 CN202746717U (en) | 2012-09-04 | 2012-09-04 | Remote electric valve control system of CDMA (Code Division Multiple Access) network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202746717U true CN202746717U (en) | 2013-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220444969 Expired - Fee Related CN202746717U (en) | 2012-09-04 | 2012-09-04 | Remote electric valve control system of CDMA (Code Division Multiple Access) network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202746717U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840371A (en) * | 2012-09-04 | 2012-12-26 | 绍兴文理学院 | Remote electric valve control system of CDMA (code division multiple access) network |
-
2012
- 2012-09-04 CN CN 201220444969 patent/CN202746717U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840371A (en) * | 2012-09-04 | 2012-12-26 | 绍兴文理学院 | Remote electric valve control system of CDMA (code division multiple access) network |
| CN102840371B (en) * | 2012-09-04 | 2014-06-11 | 绍兴文理学院 | Remote electric valve control system of CDMA (code division multiple access) network |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20150904 |
|
| EXPY | Termination of patent right or utility model |