CN111915952A - Traffic safety education control system of dynamic experience platform - Google Patents
Traffic safety education control system of dynamic experience platform Download PDFInfo
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- CN111915952A CN111915952A CN202010944501.0A CN202010944501A CN111915952A CN 111915952 A CN111915952 A CN 111915952A CN 202010944501 A CN202010944501 A CN 202010944501A CN 111915952 A CN111915952 A CN 111915952A
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Abstract
The invention discloses a traffic safety education control system of a dynamic experience platform, which comprises virtual reality head-mounted display equipment, a circuit control board, a dynamic experience platform and remote measuring equipment, wherein the dynamic experience platform comprises a station plate, a plurality of hydraulic cylinders, a plurality of cylinder mounting columns and a hydraulic control device, and each hydraulic cylinder comprises a cylinder body and a telescopic rod; the hydraulic control device comprises an oil inlet pipeline, a hydraulic pump, an electromagnetic valve and a motor, the circuit control panel comprises a controller and an alarm module, the controller is used for driving the motor and the electromagnetic valve to act according to a three-dimensional virtual reality traffic scene constructed by virtual reality head-mounted display equipment, and the plurality of telescopic rods are enabled to drive the station board to move; and controlling an alarm module to perform corresponding alarm action according to the traffic walking strategy selected by the telemetering equipment. According to the invention, through an electric and hydraulic dual-control mode, the control precision is improved, and the degree of freedom of the dynamic experience platform is increased; the user experience and the immersion are improved.
Description
Technical Field
The invention relates to the technical field of virtual reality, and particularly discloses a traffic safety education control system of a dynamic experience platform.
Background
Safety education, which is a long-term, continuous process as a focus of social attention, is an important part of students. The safety awareness of students is weak, the identification of danger sources is particularly lack, and the safety education of schools is particularly important for ensuring the healthy growth of the students. In order to ensure the safety of the lives and properties of passengers, the government department of various countries pays great attention to the traffic safety education so as to reduce the hit-and-miss rate of various traffic vehicles. At present, in the aspect of traffic safety education, school traffic safety education, television short-film propaganda, radio broadcasting, website propaganda, published books and periodicals, posters, paintings and the like are mainly used. However, the interest of students in learning traffic safety knowledge is low due to the conventional infusion-type education, and schools do not pay attention to the teaching in this respect in addition to the reasons of education costs, technical and safety responsibilities.
The traditional traffic safety education has little effect, and students do not master corresponding safety knowledge while wasting the teaching resources of schools.
Therefore, the above-mentioned defects existing in the existing children traffic safety education are a technical problem to be solved urgently.
Disclosure of Invention
The invention provides a traffic safety education control system with a dynamic experience platform, and aims to solve the technical problems of the defects in the existing traffic safety education for children.
The invention provides a traffic safety education control system of a dynamic experience platform, which comprises virtual reality head-mounted display equipment, a circuit control board, a dynamic experience platform and telemetering equipment, wherein the dynamic experience platform comprises a station board, a plurality of hydraulic oil cylinders arranged above the station board and used for suspending the station board, a plurality of oil cylinder mounting columns used for correspondingly mounting the plurality of hydraulic oil cylinders, and a hydraulic control device connected with the hydraulic oil cylinders, and each hydraulic oil cylinder comprises a cylinder body and a telescopic rod arranged on the cylinder body; one end of the telescopic rod is connected with the cylinder body, and the other end of the telescopic rod is provided with a joint bearing connected with the oil cylinder mounting column; the hydraulic control device comprises an oil inlet pipeline, a hydraulic pump and an electromagnetic valve which are arranged on the oil inlet pipeline, and a motor connected with the hydraulic pump, wherein the electromagnetic valve is connected with the cylinder body through the oil inlet pipeline; the circuit control board comprises a controller, an alarm module and a virtual reality head-mounted display device, and is used for constructing a three-dimensional virtual reality traffic scene, wherein traffic safety rules are preset in the three-dimensional virtual reality traffic scene; the controller is respectively connected with the virtual reality head-mounted display equipment, the motor, the remote measuring equipment and the alarm module and is used for driving the motor and the electromagnetic valve to act according to a three-dimensional virtual reality traffic scene constructed by the virtual reality head-mounted display equipment so as to drive the plurality of telescopic rods to drive the station board to move; and controlling an alarm module to perform corresponding alarm action according to the traffic walking strategy selected by the telemetering equipment.
Furthermore, the hydraulic control device also comprises a hydraulic oil tank, a pressure reducing valve, an electromagnetic directional valve and an oil return pipeline, wherein one end of the hydraulic pump is connected with the hydraulic oil tank, the other end of the hydraulic pump is connected with one end of the pressure reducing valve through an oil inlet pipeline, the other end of the pressure reducing valve is connected with an electromagnetic valve, the electromagnetic valve is connected with a rodless cavity of the hydraulic oil cylinder, and the oil inlet pipeline is connected with a pressure oil port of the electromagnetic directional valve; the first working oil port of the electromagnetic directional valve is connected with a rod cavity of the hydraulic oil cylinder and the hydraulic oil cylinder, the second working oil port of the electromagnetic directional valve is connected with a rodless cavity of the hydraulic oil cylinder, the oil return port of the electromagnetic directional valve is connected with the hydraulic oil tank through an oil return pipeline, and the oil return port of the pressure reducing valve is communicated with the oil return pipeline.
Furthermore, a high-pressure filter is arranged on the oil inlet pipeline.
Furthermore, the hydraulic control device also comprises an overflow valve which is connected between the oil inlet pipeline and the oil return pipeline.
Furthermore, the hydraulic control device also comprises a one-way valve, the one-way valve is connected between the oil inlet pipeline and the oil return pipeline, and the overflow valve is arranged between the high-pressure filter and the one-way valve.
Furthermore, an oil return filter is arranged on the oil return pipeline.
Furthermore, a radiator is arranged on the oil return pipeline and is positioned between the oil return filter and the hydraulic oil tank.
Further, an oil inlet ball valve is arranged between the hydraulic pump and the hydraulic oil tank.
Furthermore, the circuit control board also comprises a feedback module, an analog-to-digital conversion module, a digital-to-analog conversion module and a motor driving module,
the feedback module is arranged at the motor and used for detecting the displacement of the motor;
the analog-to-digital conversion module is connected with the feedback module and is used for converting the analog voltage corresponding to the displacement detected by the feedback module into a digital quantity;
the controller is connected with the analog-to-digital conversion module and is used for processing the digital quantity converted by the analog-to-digital conversion module according to a control rule;
the digital-to-analog conversion module is connected with the controller and is used for converting the result processed by the controller according to the control rule into an analog control quantity;
the motor driving module is connected with the digital-to-analog conversion module and used for driving the motor according to the analog control quantity converted by the digital-to-analog conversion module.
Further, the feedback module comprises a displacement sensor and a transmitter,
the displacement sensor is arranged at the motor and used for detecting the displacement of the motor;
the transmitter is respectively connected with the displacement sensor and the analog-to-digital conversion module and used for converting the displacement detected by the feedback module into corresponding analog voltage and then sending the analog voltage to the analog-to-digital conversion module.
The beneficial effects obtained by the invention are as follows:
the invention provides a traffic safety education control system of a dynamic experience platform, which adopts a dynamic experience platform, a circuit control board, virtual reality head-mounted display equipment and remote measuring equipment, wherein the dynamic experience platform is provided with a station board, a base, a hydraulic oil cylinder and a hydraulic control device; and controlling an alarm module to perform corresponding alarm action according to an earthquake escape strategy selected by the telemetering equipment on the three-dimensional virtual reality traffic scene so as to remind a user in real time. According to the traffic safety education control system of the dynamic experience platform, the control precision is improved and the degree of freedom of the dynamic experience platform is increased in an electric and hydraulic double control mode; the teaching effect is good, and the user experience degree and the immersion feeling are improved.
Drawings
Fig. 1 is a schematic connection diagram of an embodiment of a traffic safety education control system of a dynamic experience platform according to the present invention;
FIG. 2 is a schematic diagram of an embodiment of the hydraulic control apparatus of FIG. 1;
FIG. 3 is a functional block diagram of one embodiment of a control board of the circuit shown in FIG. 1;
FIG. 4 is a functional block diagram of one embodiment of the feedback module shown in FIG. 3;
FIG. 5 is a schematic circuit diagram of an embodiment of the circuit control board shown in FIG. 1.
The reference numbers illustrate:
10. a virtual reality head-mounted display device; 20. a circuit control board; 30. a motion experience platform; 40. a telemetry device; 31. a hydraulic control device; 32. a hydraulic cylinder; 311. an oil inlet pipeline; 312. a hydraulic pump; 313. a motor; 314. an electromagnetic valve; 315. a hydraulic oil tank; 316. a pressure reducing valve; 317. an electromagnetic directional valve; 318. an oil return line; 319. a high pressure filter; 3191. an overflow valve; 3192. a one-way valve; 3193. an oil return filter; 3194. a heat sink; 3195. an oil inlet ball valve; 321. a rodless cavity; 322. a rod cavity; 21. a controller; 22. an alarm module; 23. a feedback module; 24. an analog-to-digital conversion module; 25. a digital-to-analog conversion module; 26. a motor drive module; 27. a power supply module; 28. a display module; 231. a displacement sensor; 232. and a transmitter.
Detailed Description
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
As shown in fig. 1, an embodiment of the invention provides a traffic safety education control system of a motion experience platform, which comprises a virtual reality head-mounted display device 10, a circuit control board 20, a motion experience platform 30 and a telemetering device 40, wherein the motion experience platform 30 comprises a station board, a plurality of hydraulic cylinders 32 arranged above the station board and used for suspending the station board, a plurality of cylinder mounting columns used for correspondingly mounting the plurality of hydraulic cylinders 32, and a hydraulic control device 31 connected with the hydraulic cylinders 32, and each hydraulic cylinder 32 comprises a cylinder body and a telescopic rod arranged on the cylinder body; one end of the telescopic rod is connected with the cylinder body, and the other end of the telescopic rod is provided with a joint bearing connected with the oil cylinder mounting column; the hydraulic control device 31 comprises an oil inlet pipeline 311, a hydraulic pump 312 and an electromagnetic valve 314 which are arranged on the oil inlet pipeline 311, and a motor 313 connected with the hydraulic pump 312, wherein the electromagnetic valve 314 is connected with the cylinder body through the oil inlet pipeline 311; the circuit control board 20 comprises a controller 21 and an alarm module 22, and the virtual reality head-mounted display device 10 is used for constructing a three-dimensional virtual reality traffic scene, wherein traffic safety rules are preset in the three-dimensional virtual reality traffic scene; the controller 21 is respectively connected with the virtual reality head-mounted display device 10, the motor 313, the remote measuring device 40 and the alarm module 22, and is used for driving the motor 313 and the electromagnetic valve 314 to act according to a three-dimensional virtual reality traffic scene constructed by the virtual reality head-mounted display device 10, so that the plurality of telescopic rods drive the station board to move; and controls the alarm module 22 to perform corresponding alarm actions according to the traffic walking strategy selected by the telemetry equipment 40. If the controller 21 recognizes that the telemetry device 40 operates according to the traffic safety operation rules preset in the database, it determines that the experiencer complies with the preset traffic safety rules; if the controller 21 identifies that the telemetry device 40 does not operate according to the preset traffic safety rules in the database, the controller controls the alarm module 22 to give an audible and visual alarm if the experiencer is judged not to comply with the preset traffic safety rules. For example, the traffic safety rules preset in the database are "stop at red light, go at green light, see yellow light, etc., and should go on zebra crossing". If the controller 21 recognizes that the green light in the simulated signal lamp is not on or the experiencer does not walk on the pedestrian crossing when the experiencer passes the road, the controller controls the alarm module 22 to perform sound-light alarm. In the present embodiment, the spherical plain bearing may be a radial spherical plain bearing, or may be a fisheye spherical plain bearing, and the like, and all of them are within the protection scope of the present patent.
In the above structure, referring to fig. 2, fig. 2 is a schematic structural diagram of an embodiment of the hydraulic control apparatus mentioned in fig. 1, in this embodiment, the hydraulic control apparatus 31 further includes a hydraulic oil tank 315, a pressure reducing valve 316, an electromagnetic directional valve 317 and an oil return line 318, one end of the hydraulic pump 312 is connected to the hydraulic oil tank 315, the other end of the hydraulic pump 312 is connected to one end of the pressure reducing valve 316 through an oil inlet line 311, the other end of the pressure reducing valve 316 is connected to an electromagnetic valve 314, the electromagnetic valve 314 is connected to a rodless cavity 321 of the hydraulic cylinder 32, and the oil inlet line 311 is connected to a pressure port of the electromagnetic directional; a first working oil port of the electromagnetic directional valve 317 is connected with the hydraulic oil cylinder 32 and a rod cavity 322 of the hydraulic oil cylinder 32, a second working oil port of the electromagnetic directional valve 317 is connected with a rodless cavity 321 of the hydraulic oil cylinder 32, an oil return port of the electromagnetic directional valve 317 is connected with a hydraulic oil tank 315 through an oil return pipeline 318, and an oil return port of the pressure reducing valve 316 is communicated with the oil return pipeline 318. The hydraulic control apparatus 31 further includes a check valve 3192, the check valve 3192 is connected between the oil inlet line 311 and the oil return line 318, and the relief valve 3191 is provided between the high pressure filter 319 and the check valve 3192. An oil return filter 3193 and a radiator 3194 are arranged on the oil return pipeline 318, and the radiator 3194 is positioned between the oil return filter 3193 and the hydraulic oil tank 315. Further, an oil inlet ball valve 3195 is arranged between the hydraulic pump 312 and the hydraulic oil tank 315.
In this embodiment, the motor 313 drives the hydraulic pump 312, the hydraulic pump 312 is connected to the hydraulic oil tank 315 through the oil inlet ball valve 3195, the hydraulic pump 312 is connected to the pressure reducing valve 316 through the oil inlet pipeline 311, the pressure reducing valve 316 is connected to the electromagnetic valve 314, the electromagnetic valve 314 is connected to the rodless cavity 321 of the hydraulic oil cylinder 32, and the telescopic rod of the hydraulic oil cylinder 32 is used for driving the motion experience platform 30 to perform lifting or tilting motion; the oil inlet pipeline 311 is sequentially provided with a high-pressure filter 319, an overflow valve 3191 and a one-way valve 3192; wherein, the overflow valve 3191 and the one-way valve 3192 are connected with the oil return pipeline 318; the oil inlet pipeline 311 is connected with a pressure oil port P of the electromagnetic directional valve 317, a first working oil port A of the electromagnetic directional valve 317 is connected to a rod cavity 322 of the hydraulic oil cylinder 32, a second working oil port B of the electromagnetic directional valve 317 is connected to a rodless cavity of the hydraulic oil cylinder 32, and an oil return port T of the electromagnetic directional valve 317 is connected to a hydraulic oil tank 315 through an oil return pipeline 318; the pressure reducing valve 316 has a reverse overflow function, an oil return port T1 of the pressure reducing valve 316 is connected with an oil return pipeline 318, and an oil return filter 3193 and a radiator 3194 are further arranged on the oil return pipeline 318; the hydraulic oil needs to do work when passing through the hydraulic oil cylinder 32, the temperature of the hydraulic oil after doing work is raised by the friction action of each friction pair in the hydraulic control device during the period, and the radiator 3194 is used for dissipating heat and cooling the heated hydraulic oil.
When the motion experience platform 30 works, the electromagnetic valve 314 is powered on and is in an open state, and the electromagnetic directional valve 317 is closed; the hydraulic pump 312 pumps hydraulic oil into the oil inlet pipeline 311, and the hydraulic oil enters the rodless cavity 321 of the hydraulic cylinder 32 after sequentially passing through the high-pressure filter 319, the pressure reducing valve 316 and the electromagnetic valve 314; the pressure of the high-pressure hydraulic oil in the oil inlet pipeline 311 is reduced to a set pressure by the pressure reducing valve 316, and the set pressure of the hydraulic oil in the rodless cavity 321 in the hydraulic oil cylinder 32 is used for providing the rising height of the motion experience platform 30; when the motion experience platform 30 encounters strong pressure in the lifting process, the telescopic rod of the hydraulic oil cylinder 32 causes the oil pressure in the rodless cavity 321 of the hydraulic oil cylinder 32 to rise and exceed the set pressure of the pressure reducing valve 316, and part of the hydraulic oil finally returns to the hydraulic oil tank 315 through the oil return port T1 of the pressure reducing valve 316 and the oil return pipeline 318 by the reverse overflow function of the pressure reducing valve 316, so that the pressure in the rodless cavity 321 of the hydraulic oil cylinder 32 is reduced to the set pressure again; when the pressure of the motion experience platform 30 is reduced in the lifting process, the telescopic rod of the hydraulic oil cylinder 32 naturally extends to cause the pressure of the rod-free cavity 321 of the hydraulic oil cylinder 32 to be reduced and lower than the set pressure of the pressure reducing valve 316, at this time, the high-pressure hydraulic oil in the oil inlet pipeline 311 automatically enters the rod-free cavity 321 of the hydraulic oil cylinder 32 through the pressure reducing valve 316, the oil pressure of the rod-free cavity 321 of the hydraulic oil cylinder 32 is increased to the set pressure again, and the lifting height of the motion experience platform 30 is recovered.
Before the motion experience platform 30 starts to work and after the work is finished, the electromagnetic valve 314 is closed, the electromagnetic directional valve 317 is opened, an experiencer pumps oil to the rodless cavity 321 or the rod cavity 322 of the hydraulic oil cylinder 32 by controlling the electromagnetic directional valve 317, the motion experience platform 30 is lifted, mainly the station plate on the motion experience platform 30 is reduced to the lowest limit point before the motion experience platform 30 starts to work, and the station plate on the motion experience platform 30 is lifted to be far away from the lowest limit point after the motion experience platform 30 finishes to work.
Further, please refer to fig. 3 and 4, in the traffic safety education control system of the motion experience platform according to this embodiment, the circuit control board 20 further includes a feedback module 23, an analog-to-digital conversion module 24, a digital-to-analog conversion module 25, a motor driving module 26, a power module 27, and a display module 28, wherein the feedback module 23 is disposed at the motor 313 and configured to detect a displacement of the motor 313; the analog-to-digital conversion module 24 is connected to the feedback module 23, and is configured to convert an analog voltage corresponding to the displacement detected by the feedback module 23 into a digital quantity; the controller 21 is connected with the analog-to-digital conversion module 24 and is used for processing the digital quantity converted by the analog-to-digital conversion module 24 according to a control rule; the digital-to-analog conversion module 25 is connected with the controller 21 and is used for converting a result processed by the controller 21 according to a control rule into an analog control quantity; the motor driving module 26 is connected to the digital-to-analog conversion module 25, and is configured to drive the motor 313 according to the analog control quantity converted by the digital-to-analog conversion module 25. The power module 27 is respectively connected to the feedback module 23, the analog-to-digital conversion module 24, the controller 21, the digital-to-analog conversion module 25, the motor driving module 26, and the display module 28, and is configured to supply power to the feedback module 23, the analog-to-digital conversion module 24, the controller 21, the digital-to-analog conversion module 25, the motor driving module 26, and the display module 28. The display module 28 is connected to the controller 21 for displaying the displacement and the rotation speed of the motor 313 during operation. Further, the feedback module 23 includes a displacement sensor 231 and a transmitter 232, wherein the displacement sensor 231 is disposed at the motor 313 and is used for detecting a displacement of the motor 313; the transmitter 232 is connected to the displacement sensor 231 and the analog-to-digital conversion module 24, respectively, and is configured to convert the displacement detected by the feedback module 23 into a corresponding analog voltage and send the analog voltage to the analog-to-digital conversion module 24.
As shown in fig. 5, fig. 5 is a schematic circuit schematic diagram of an embodiment of the circuit control board shown in fig. 1, in this embodiment, the controller 21 employs an MCS-51 single chip, and the MCS-51 single chip has a clock circuit therein and is externally connected with a 12MHz quartz crystal. The display module 28 may be an LED display module or an LCD display module, and in this embodiment, the display module 28 is an LED display module. The analog-to-digital conversion module 24 is used for converting an analog voltage corresponding to the displacement of the motor 313 detected by the displacement sensor 231 into a digital value, and adopts an 8-channel ADC0809 analog-to-digital converter. The digital-to-analog conversion module 25 is used for converting a result processed by the MCS-51 single chip microcomputer according to a control rule into an analog control quantity, and then driving the motor 313 through a driving mechanism, in this embodiment, the digital-to-analog conversion module 25 adopts a DAC0832 digital-to-analog converter. The motor driving module 26 is used for amplifying the voltage to drive the motor 313, wherein the main purpose of the motor driving module 26 is to control the rotation speed of the motor 313. The motor driving module 26 may employ motor driving chips such as L298N, L297N, and the like. In the present embodiment, the motor driving module 26 adopts an L298N motor driving chip. The second pin and the third pin of the L298N motor driving chip are two output terminals of the full-bridge driver, and are respectively connected with the positive electrode and the negative electrode of the motor 313.
Compared with the prior art, the traffic safety education control system of the dynamic experience platform provided by the embodiment has the advantages that the circuit control board adopts the feedback module, the analog-to-digital conversion module, the controller, the digital-to-analog conversion module and the motor driving module, and the displacement of the motor is detected through the feedback module; the analog-to-digital conversion module converts the analog voltage corresponding to the displacement detected by the feedback module into a digital quantity; the controller processes the digital quantity converted by the analog-to-digital conversion module according to a control rule; the digital-to-analog conversion module converts the result processed by the controller according to the control rule into an analog control quantity; the motor driving module drives the motor according to the analog control quantity converted by the digital-to-analog conversion module. And establish the virtual reality scene through virtual reality wear-type display device, drive the hydraulic pump action through the motor and in order to pump hydraulic oil into, drive the hydraulic cylinder action through opening of solenoid valve to impel a plurality of telescopic links to drive the motion that the station board was a plurality of degrees of freedom. According to the traffic safety education control system of the dynamic experience platform, the control precision is improved and the degree of freedom of the dynamic experience platform is increased in an electric and hydraulic double control mode; the user experience and the immersion are improved.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The traffic safety education control system of the dynamic experience platform is characterized by comprising a virtual reality head-mounted display device (10), a circuit control board (20), a dynamic experience platform (30) and a telemetering device (40), wherein the dynamic experience platform (30) comprises a station board, a plurality of hydraulic oil cylinders (32) arranged above the station board and used for suspending the station board, a plurality of oil cylinder mounting columns used for correspondingly mounting the hydraulic oil cylinders (32), and a hydraulic control device (31) connected with the hydraulic oil cylinders (32), and the hydraulic oil cylinders (32) comprise cylinder bodies and telescopic rods arranged on the cylinder bodies; one end of the telescopic rod is connected with the cylinder body, and the other end of the telescopic rod is provided with a joint bearing connected with the oil cylinder mounting column; the hydraulic control device (31) comprises an oil inlet pipeline (311), a hydraulic pump (312) and an electromagnetic valve (314) which are arranged on the oil inlet pipeline (311), and a motor (313) which is connected with the hydraulic pump (312), wherein the electromagnetic valve (314) is connected with the cylinder body through the oil inlet pipeline (311); the circuit control board (20) comprises a controller (21) and an alarm module (22), the virtual reality head-mounted display device (10) is used for constructing a three-dimensional virtual reality traffic scene, and traffic safety rules are preset in the three-dimensional virtual reality traffic scene; the controller (21) is respectively connected with the virtual reality head-mounted display device (10), the motor (113), the telemetering device (40) and the alarm module (22), and is used for driving the motor (113) and the electromagnetic valve (114) to act according to a three-dimensional virtual reality traffic scene constructed by the virtual reality head-mounted display device (10) to enable the telescopic rods to drive the station board to move; and controlling the alarm module (22) to perform corresponding alarm actions according to the traffic walking strategy selected by the telemetering equipment (40).
2. The experience platform traffic safety education control system of claim 1,
the hydraulic control device (31) further comprises a hydraulic oil tank (315), a pressure reducing valve (316), an electromagnetic directional valve (317) and an oil return pipeline (318), one end of the hydraulic pump (312) is connected with the hydraulic oil tank (315), the other end of the hydraulic pump (312) is connected with one end of the pressure reducing valve (316) through the oil inlet pipeline (311), the other end of the pressure reducing valve (316) is connected with the electromagnetic valve (314), the electromagnetic valve (314) is connected with a rodless cavity (321) of the hydraulic oil cylinder (32), and the oil inlet pipeline (311) is connected with a pressure oil port of the electromagnetic directional valve (317); the hydraulic oil cylinder is characterized in that a first working oil port of the electromagnetic directional valve (317) is connected with a rod cavity (322) of the hydraulic oil cylinder (32) and a second working oil port of the electromagnetic directional valve (317) is connected with a rodless cavity (321) of the hydraulic oil cylinder (32), an oil return port of the electromagnetic directional valve (317) is connected with the hydraulic oil tank (315) through an oil return pipeline (318), and an oil return port of the pressure reducing valve (316) is communicated with the oil return pipeline (318).
3. The experience platform traffic safety education control system of claim 2 wherein,
and a high-pressure filter (319) is arranged on the oil inlet pipeline (311).
4. The experience platform traffic safety education control system of claim 3,
the hydraulic control device (31) further comprises an overflow valve (3191), and the overflow valve (3191) is connected between the oil inlet pipeline (311) and the oil return pipeline (318).
5. The experience platform traffic safety education control system of claim 4 wherein,
the hydraulic control device (31) further comprises a one-way valve (3192), the one-way valve (3192) is connected between the oil inlet pipeline (311) and the oil return pipeline (318), and the overflow valve (3191) is arranged between the high-pressure filter (319) and the one-way valve (3192).
6. The experience platform traffic safety education control system of claim 5 wherein,
and an oil return filter (3193) is arranged on the oil return pipeline (318).
7. The experience platform traffic safety education control system of claim 6,
and a radiator (3194) is further arranged on the oil return pipeline (318), and the radiator (3194) is positioned between the oil return filter (3193) and the hydraulic oil tank (315).
8. The experience platform traffic safety education control system of claim 7,
an oil inlet ball valve (3195) is arranged between the hydraulic pump (312) and the hydraulic oil tank (315).
9. The experience platform traffic safety education control system of claim 1,
the circuit control board (20) also comprises a feedback module (23), an analog-to-digital conversion module (24), a digital-to-analog conversion module (25) and a motor driving module (26),
the feedback module (23) is arranged at the motor (313) and used for detecting the displacement of the motor (313);
the analog-to-digital conversion module (24) is connected with the feedback module (23) and is used for converting the analog voltage corresponding to the displacement detected by the feedback module (23) into a digital quantity;
the controller (23) is connected with the analog-to-digital conversion module (24) and is used for processing the digital quantity converted by the analog-to-digital conversion module (24) according to a control rule;
the digital-to-analog conversion module (25) is connected with the controller (23) and is used for converting the result processed by the controller (23) according to the control rule into an analog control quantity;
the motor driving module (26) is connected with the digital-to-analog conversion module (25) and is used for driving the motor (313) according to the analog control quantity converted by the digital-to-analog conversion module (25).
10. The experience platform traffic safety education control system of claim 9,
the feedback module (23) comprises a displacement sensor (231) and a transducer (232),
the displacement sensor (231) is arranged at the motor (313) and used for detecting the displacement of the motor (313);
the transmitter (232) is respectively connected with the displacement sensor (231) and the analog-to-digital conversion module (24) and is used for converting the displacement detected by the feedback module (23) into corresponding analog voltage and then sending the analog voltage to the analog-to-digital conversion module (24).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112581847A (en) * | 2020-12-04 | 2021-03-30 | 湖南汉坤实业有限公司 | Suspension type dynamic experience platform control system |
| CN112581846A (en) * | 2020-12-04 | 2021-03-30 | 湖南汉坤实业有限公司 | Support formula active experience platform control system |
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