CN203189407U - Hydraulic oil cylinder control system - Google Patents

Hydraulic oil cylinder control system Download PDF

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Publication number
CN203189407U
CN203189407U CN 201320093044 CN201320093044U CN203189407U CN 203189407 U CN203189407 U CN 203189407U CN 201320093044 CN201320093044 CN 201320093044 CN 201320093044 U CN201320093044 U CN 201320093044U CN 203189407 U CN203189407 U CN 203189407U
Authority
CN
China
Prior art keywords
hydraulic oil
control
servo driver
oil cylinder
pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201320093044
Other languages
Chinese (zh)
Inventor
杨彬
王有明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Xingzhirui Servo Science & Technology Co Ltd
Original Assignee
Suzhou Xingzhirui Servo Science & Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Xingzhirui Servo Science & Technology Co Ltd filed Critical Suzhou Xingzhirui Servo Science & Technology Co Ltd
Priority to CN 201320093044 priority Critical patent/CN203189407U/en
Application granted granted Critical
Publication of CN203189407U publication Critical patent/CN203189407U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a hydraulic oil cylinder control system. The hydraulic oil cylinder control system comprises a coupling, wherein one end of the coupling is fixedly connected with a servo motor, and the other end of the coupling is fixedly connected with a gear pump. The gear pump is provided with a hydraulic oil pressure sensor. The servo motor is provided with a servo motor encoder and further connected with a servo driver. The servo driver is connected with a single-chip microcomputer. The hydraulic oil pressure sensor and the servo motor encoder are further connected with the servo driver. According to the hydraulic oil cylinder control system, pressure closed-loop control and flow closed-loop control are respectively applied to control of the pressure and the flow of hydraulic oil, valves such as a throttle valve and a proportional valve are not needed, and therefore the phenomenon of high-pressure throttling is avoided. The response time of the closed-loop control is the response time of the servo driver. The shortest response time can be 30ms. In addition, the hydraulic oil cylinder control system has the ability of automatic correction and has the advantages of being high in energy conversion efficiency of a hydraulic oil cylinder and high in operation precision.

Description

A kind of hydraulic jack control system
Technical field
The utility model relates to the hydraulic system technical field, particularly a kind of hydraulic jack control system.
Background technique
Hydraulic system is to be working medium with hydraulic oil, by the pressure of hydraulic oil in the control system control hydraulic jack and the package unit that flow comes operating hydraulically operated oil cylinder to move, the disclosed hydraulic system of prior art, its hydraulic jack control system is to adopt the valve control to control the pressure of hydraulic oil and flow, that is to say the use throttle valve, valve bodies such as Proportional valve are controlled pressure and the flow of hydraulic oil by changing the oil circuit sectional area, but the hydraulic oil vertical impact valve body in the valve control process in the oil circuit can produce the high pressure throttling, the hydraulic oil energy loss that the high pressure throttling causes is up to 36%-68%, the energy conversion efficiency of hydraulic jack is low, simultaneously, because the response time of valve control is long and do not have automatic calibration capability, the precision of hydraulic jack operation is difficult to guarantee.
The model utility content
For solving the problems of the technologies described above, the utility model provides a kind of hydraulic jack control system, accurately controls pressure and the flow of hydraulic oil by adopting closed loop control, with the energy conversion efficiency that reaches the raising hydraulic jack and the purpose of hydraulic jack running precision.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of hydraulic jack control system, comprise coupling, described coupling one end is fixedly connected with actuating motor, the described coupling the other end is fixedly connected with gear pump, described gear pump is provided with the hydraulic fluid pressure sensor, and described actuating motor is provided with the actuating motor encoder, and described actuating motor also is connected with servo driver, described servo driver is connected with single-chip microcomputer, and described hydraulic fluid pressure sensor and described actuating motor encoder also are connected with described servo driver.
Preferably, described single-chip microcomputer is provided with serial line interface.
Preferably, described servo driver is provided with serial line interface and GPIO interface.
Preferably, described hydraulic fluid pressure sensor is provided with the GPIO interface.
Preferably, described actuating motor encoder is provided with the GPIO interface.
Pass through technique scheme, a kind of hydraulic jack control system that the utility model provides has adopted closed loop control to control pressure and the flow of hydraulic oil, by real-time collection hydraulic fluid pressure and actuating motor rotary speed parameter, it is fed back to servo driver, and and the given hydraulic jack Operational Limits of single-chip microcomputer compare, further moment of torsion and the rotating speed of actuating motor are revised by the result who relatively draws, do not need to use throttle valve, valve bodies such as Proportional valve, stopped high pressure throttling phenomenon, the response time of closed loop control is exactly the response time of servo driver, can reach 30ms the soonest, and have the ability from normal moveout correction, have the high advantage of hydraulic jack energy conversion efficiency height and running precision.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below.
Fig. 1 is the system architecture schematic representation of the disclosed a kind of hydraulic jack control system of the utility model embodiment;
Fig. 2 is the pressure closed loop control principle figure of the disclosed a kind of hydraulic jack control system of the utility model embodiment.
The represented corresponding part title of numeral among the figure:
1, coupling 2, actuating motor 3, gear pump 4, hydraulic fluid pressure sensor
5, actuating motor encoder 6, servo driver 7, single-chip microcomputer
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technological scheme among the utility model embodiment is clearly and completely described.
According to Fig. 1, the utility model provides a kind of hydraulic jack control system, comprise coupling 1, one end of coupling 1 is connected with actuating motor 2, the other end is connected with gear pump 3, gear pump 3 is provided with hydraulic fluid pressure sensor 4, actuating motor 2 is provided with to gather in real time the actuating motor encoder 5 of its rotating speed, actuating motor 2 also is connected with to control the servo driver 6 of its rotating speed, servo driver 6 is connected with single-chip microcomputer 7, wherein, carry out communication by serial ports between single-chip microcomputer 7 and the servo driver 6, carry out communication by the GPIO mouth between hydraulic fluid pressure sensor 4 and actuating motor encoder 5 and the servo driver 6.
Below with pressure closed loop be controlled to be the example closed loop control is described, according to Fig. 2, a kind of hydraulic jack control system that the utility model provides adopted pressure closed loop control hydraulic oil pressure and, single-chip microcomputer 7 is sent to servo driver 6 with the standard pressure parameter of hydraulic jack operation, by 3 work of servo driver 6 control actuating motors 2 driven gear pumps, and gather the hydraulic oil pressure force parameter in real time, it is fed back to servo driver 6, when the hydraulic oil pressure force parameter of feedback during less than single-chip microcomputer 7 setting values, servo driver 6 is operated under the speed ring control mode, because the pressure of hydraulic oil is proportional to the moment of torsion of actuating motor 2, servo driver 6 control actuating motors 2 increase moment of torsion rises the pressure of hydraulic oil, when the hydraulic oil pressure force parameter of feedback reaches single-chip microcomputer 7 setting values, servo driver 6 switches under the pressure ring control mode, by PID program stable hydraulic oil pressure, the flow of hydraulic oil is proportional to the rotating speed of actuating motor 2, its closed loop control can feed back to the actuating motor 2 rotary speed parameters realization of servo driver 6 by actuating motor encoder 5, does not repeat them here.
Owing to be to adopt closed loop control to control pressure and the flow of hydraulic oil, do not need to use valve bodies such as throttle valve, Proportional valve in the system, stopped high pressure throttling phenomenon, the energy conversion efficiency height of hydraulic jack, the response time of closed loop control is exactly the response time of servo driver 6, can reach 30ms the soonest, and have the ability from normal moveout correction, improve the running precision of hydraulic jack.
To disclosed a kind of hydraulic jack control system embodiment's above-mentioned explanation, make related domain professional and technical personnel can realize or use the utility model.Multiple modification to these embodiments will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments herein.Therefore, the utility model will can not be restricted to these embodiments shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.

Claims (5)

1. hydraulic jack control system, comprise coupling, described coupling one end is fixedly connected with actuating motor, it is characterized in that the described coupling the other end is fixedly connected with gear pump, described gear pump is provided with the hydraulic fluid pressure sensor, described actuating motor is provided with the actuating motor encoder, described actuating motor also is connected with servo driver, and described servo driver is connected with single-chip microcomputer, and described hydraulic fluid pressure sensor and described actuating motor encoder also are connected with described servo driver.
2. a kind of hydraulic jack control system according to claim 1 is characterized in that described single-chip microcomputer is provided with serial line interface.
3. a kind of hydraulic jack control system according to claim 1 is characterized in that, described servo driver is provided with serial line interface and GPIO interface.
4. a kind of hydraulic jack control system according to claim 1 is characterized in that, described hydraulic fluid pressure sensor is provided with the GPIO interface.
5. a kind of hydraulic jack control system according to claim 1 is characterized in that, described actuating motor encoder is provided with the GPIO interface.
CN 201320093044 2013-03-01 2013-03-01 Hydraulic oil cylinder control system Expired - Fee Related CN203189407U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320093044 CN203189407U (en) 2013-03-01 2013-03-01 Hydraulic oil cylinder control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320093044 CN203189407U (en) 2013-03-01 2013-03-01 Hydraulic oil cylinder control system

Publications (1)

Publication Number Publication Date
CN203189407U true CN203189407U (en) 2013-09-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320093044 Expired - Fee Related CN203189407U (en) 2013-03-01 2013-03-01 Hydraulic oil cylinder control system

Country Status (1)

Country Link
CN (1) CN203189407U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106457328A (en) * 2014-05-21 2017-02-22 Sms集团有限公司 Bar press with hydraulic drive
CN111004881A (en) * 2019-12-31 2020-04-14 山东钢铁集团日照有限公司 Control method for blast furnace top material flow valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106457328A (en) * 2014-05-21 2017-02-22 Sms集团有限公司 Bar press with hydraulic drive
CN111004881A (en) * 2019-12-31 2020-04-14 山东钢铁集团日照有限公司 Control method for blast furnace top material flow valve

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130911

Termination date: 20140301