Mobile hydraulic system with wireless transmission of operational data and method of wirelessly transmitting operational data of mobile hydraulic system

Abstract

The invention relates to a mobile hydraulic system 10 comprising a plurality of hydraulic units 12 equipped with at least one hydraulic component 14, 16 and an electronic unit 18. Each electronic unit 18 is configured to record operational data of at least one hydraulic component 14, 16 of each hydraulic unit 12. Each hydraulic unit (12) has a wireless communication device (20), the wireless communication devices (20) of the hydraulic units (12) being connected to each other in a public wireless network (30), preferably in a mesh network. The wireless communication device 20 is configured to wirelessly transmit the recorded operational data of the hydraulic unit 12 in a wireless network 30. Furthermore, the invention relates to a method of wirelessly transmitting operational data of a mobile hydraulic system 10.

Description

Technical Field

[0001] The present invention relates to a mobile hydraulic system capable of wirelessly transmitting operating data via wireless communication equipment in a shared network, and a method for wirelessly transmitting operating data of the mobile hydraulic system. Background Art

[0002] Mobile hydraulic systems typically consist of a number of hydraulic units that can move relative to one another or together in a specific direction. These units can be used for a variety of purposes, such as mobile hydraulic applications or amusement rides. To this end, they typically include at least one hydraulic component. For example, a hydraulic unit can be equipped with a cylinder-piston unit. For example, the cylinder-piston unit can be pressurized using a hydraulic accumulator to achieve its movement. Alternatively, the hydraulic unit can be pressurized using a hydraulic pump. Hydraulic systems can be used in transportation, manufacturing, or production, or amusement rides, for example.

[0003] Such mobile hydraulic systems typically include several electronic units for controlling or recording data from the individual hydraulic units. Each of these electronic units is capable of recording the operating data of the hydraulic unit, particularly diagnostic and status data, and has a parameter space for device configuration. The electronic units can be directly electronically connected to the hydraulic units. Alternatively, they can be connected indirectly to the hydraulic units, for example, via an interface. The electronic units are configured to process signals from the hydraulic units for data acquisition. Furthermore, the electronic units can be configured to control or monitor the hydraulic units. For example, the electronic units can generate commands to open or close hydraulic valves or monitor the position or movement of the hydraulic cylinders of the hydraulic units.

[0004] The operating data recorded by the electronic unit can provide information about the current or past operating state of the hydraulic unit. For example, the number of actuations of the hydraulic component, the pressure of the hydraulic component, the amount and / or temperature of the hydraulic fluid can be recorded as operating data.

[0005] For operating mobile hydraulic systems, in many areas of application, only very limited application interfaces (e.g., switch inputs / outputs) are available. This configuration is sufficient for system operation, but it hinders other functions, such as retrieving operating data (diagnostic data) for diagnostic purposes. Such interfaces for mobile hydraulic systems are known, for example, from DE 10 2021 210921 A1.

[0006] In particular, troubleshooting is facilitated by the ability to perform diagnostics during operation, i.e. to examine the electronic device under investigation without isolating it from the system. In many cases, this requires additional diagnostic interfaces due to limited application interfaces.

[0007] In the case of large, distributed systems, diagnostic data may need to be logged regularly, in part for safety reasons, such as restraint systems in amusement rides. If the interfaces used by the mobile hydraulic system don't support the retrieval of diagnostic and status data, logging this data often requires significant manual effort. For example, each subunit must be disconnected from the mobile hydraulic system, connected to the diagnostic system to read out the data, and then reconnected to the hydraulic system.

[0008] Therefore, it would be desirable to provide mobile hydraulic systems with interfaces that allow the exchange of additional (diagnostic) data alongside normal operation. The mobile hydraulic system's infrastructure should not need to be altered for diagnostic purposes, and the required data should be retrievable via easily accessible access points. Ideally, this should be possible without additional adjustments to the mobile hydraulic system. Summary of the Invention

[0009] Therefore, an underlying object of the present invention is to enable retrieval of operating data of a mobile hydraulic system without affecting the operating sequence and the design of the mobile hydraulic system.

[0010] The solution to this problem is achieved by a mobile hydraulic system according to claim 1 and a method for wirelessly transmitting operating data of such a mobile hydraulic system according to claim 12. Preferred further embodiments are described in the dependent claims.

[0011] Compared to the hydraulic systems known in the prior art, the mobile hydraulic system according to the invention is characterized in particular in that each hydraulic unit in the system has a wireless communication device. According to the invention, the wireless communication devices of the hydraulic units are interconnected in a public wireless network, preferably in a mesh network. The wireless communication device is configured to wirelessly transmit the recorded operating data of the hydraulic unit in the wireless network. A wireless communication device is an electronic device that can send and receive data via radio waves (i.e. wirelessly), such as a wireless terminal. The wireless communication devices form a wireless network, i.e. a network for data transmission, in which data is transmitted wirelessly. Preferably, the wireless communication devices form a mesh network in which each individual communication device considers itself to be part of the same network. Therefore, each of the wireless communication devices recognizes all other communication devices in the mesh network and can exchange data with them wirelessly.

[0012] The mobile hydraulic system according to the present invention has several advantages. First, the wireless communication device does not require central network components such as routers to form a wireless network. Therefore, operating data does not first need to be transmitted to and forwarded by these central network components. Instead, operating data can be transmitted directly between the individual wireless communication devices. Furthermore, data transmission does not require complex wiring of the individual hydraulic units. Wireless communication devices are also inexpensive. Therefore, when implementing the mobile hydraulic system according to the present invention, construction costs can be kept low. Furthermore, operating data of the hydraulic units can be exchanged via the wireless communication device during operation of the mobile hydraulic system. Therefore, the operation of the hydraulic system does not affect data acquisition. Finally, the time required to diagnose the mobile hydraulic system can be reduced. With the hydraulic system according to the present invention, it is no longer necessary to connect each individual hydraulic unit to diagnostic software to read operating data. Instead, operating data can be read at any time by simply connecting to the wireless network. As a result, the manual work required to diagnose and maintain the mobile hydraulic system is minimal.

[0013] Preferably, each of the wireless communication devices is configured to transmit the recorded operating data of the hydraulic unit assigned to it and receive operating data of other hydraulic units selected from the plurality of hydraulic units via the wireless network. This means that no additional transmission equipment is required in the wireless network to which the communication device must transmit the operating data. Consequently, the recording of operating data can be faster and easier in terms of design.

[0014] In another embodiment, each of the wireless communication devices is configured to wirelessly transmit operational data to at least one other wireless communication device in the plurality of wireless communication devices via a wireless network. In other words, the communication devices recognize each other as being part of the same wireless network. Because the communication devices do not have to transmit the operational data to another network, the transmission of the operational data can be faster and more secure.

[0015] According to another embodiment, the mobile hydraulic system further includes a base station assigned to the wireless network and connected to the wireless communication device. The wireless communication device is configured to wirelessly transmit the recorded operating data of the hydraulic units to the base station. The base station can be configured in the same manner as the wireless communication device. In particular, the base station can be configured to receive operating data from all hydraulic units via the wireless communication device. The operating data of the mobile hydraulic system can be centrally collected at the base station, and the data from all hydraulic units can then be read out collectively. This further simplifies diagnostics of the mobile hydraulic system.

[0016] Preferably, wireless communication devices connect to each other via public access data within a public wireless network. In other words, each wireless communication device uses the same access data to access the wireless network. Access data can be assigned once for each wireless communication device access. When a wireless communication device newly accesses the wireless network, new public access data can be generated for all wireless communication devices. Public access data enables wireless communication devices within the wireless network to identify each other and devices not belonging to the wireless network. Therefore, a protected wireless local area network can be established using public access data.

[0017] Preferably, the wireless communication device is connected to each electronic unit of the hydraulic unit, and power is supplied to the wireless communication device via each electronic unit. The wireless communication device can be connected to the electronic unit via a wire at a distance from the electronic unit. Alternatively, the wireless communication device can be directly connected to the electronic unit via a connector on the electronic unit for power supply and / or data transmission. Thus, even during autonomous operation of the mobile hydraulic system, such as during travel, the wireless communication device can be supplied with power via the electronic unit. Thus, operating data of the hydraulic unit can be transmitted via the wireless network during operation of the mobile hydraulic system. This allows for continuous recording of operating data of the hydraulic unit.

[0018] The wireless communication device can be retrofitted to a mobile hydraulic system. For example, the wireless communication device can be attached via an access port to a hydraulic unit's interface, where operating data is previously recorded via a wired connection. This means that the wireless acquisition of operating data according to the present invention can also be retrofitted to an already installed mobile hydraulic system.

[0019] According to another embodiment, the hydraulic units can be moved while maintaining a predetermined distance from one another and / or along a predetermined trajectory. The predetermined distance or predetermined trajectory can be determined by the intended use of the mobile hydraulic system. For example, the mobile hydraulic system can be a train, and the individual hydraulic units can be carriages of the train, each of which is equipped with hydraulic brakes. The train carriages then travel along a trajectory determined by the rails. In particular, use in amusement rides is also conceivable. Alternatively, the mobile hydraulic system can be a mobile transport platform for heavy or bulky goods, equipped with hydraulic lifting equipment for lifting the goods. In this transport platform, the hydraulic lifting equipment is arranged at a predetermined distance from one another so that the goods can be lifted and transported as evenly as possible.

[0020] The hydraulic unit is configured to drive a safety device in a hydraulic system, and the operational data transmitted by the wireless communication device is used to monitor the safety device, which is useful. For example, the safety device may be a hydraulic brake, hydraulic interlock, or hydraulic restraint device in a mobile hydraulic system. The wireless transmission of the recorded operational data can be used to monitor the trouble-free operation of the safety device, thereby ensuring the safety of the mobile hydraulic system.

[0021] In another embodiment, the mobile hydraulic system is a ride with a plurality of ride passenger units. The ride passenger units are provided with passenger restraint devices, and the hydraulic units are locking units for locking the passenger restraint devices. Preferably, the wireless communication device is configured to wirelessly transmit operational data of the locking units to a ride controller.

[0022] Rides are designed to entertain people and therefore exert considerable forces or accelerations on passengers. For safety reasons, passenger restraints are used to secure passengers to their seats, preventing them from leaving them (seats, reclining areas, standing areas, etc.). Depending on the ride, these restraints may further restrict the passengers' freedom of movement.

[0023] For example, commonly used restraint elements are restraint bars that secure the passenger at the shoulders, chest, back, abdomen, hips and / or legs. Such restraint bars or other restraint elements are particularly pivotally attached to the structure of the passenger unit (including the passenger seat) so that they can be locked in several different positions to adapt to the individual body shape of the relevant passenger.

[0024] Traditional locking systems use ratchets or similar mechanical locking gears. Hydraulic locking elements are also being used. The locking function is typically based on hydraulic fluid sealed in a working chamber of a hydraulic cylinder, whose volume varies depending on the position of the restraining element or piston rod. This allows the restraining element to be locked in different positions. The hydraulic cylinder, part of the locking unit, performs additional functions beyond locking the restraining element. It is adapted and configured to actively open the restraining element once it is unlocked. This allows restraint rods or other restraining elements in all passenger units of a facility to be opened simultaneously without requiring passenger intervention via a designated hydraulic actuator, enabling quick and smooth passenger changes. In addition to the typical double-acting hydraulic cylinder, the hydraulic actuator also features a hydraulic accumulator and an electronics unit with a sensor system. The hydraulic accumulator stores hydraulic fluid under pressure and is charged by hydraulic fluid discharged from the hydraulic cylinder when the restraining element is closed. When the valve is in the appropriate position, the hydraulic cylinder is pressurized via the hydraulic accumulator in the opposite direction of the flow, thereby opening the restraining element. To ensure the restraining element is closed or open, a sensor system monitors the position of the piston rod. This minimizes potential safety risks before the vehicle even begins to move.

[0025] For safety reasons, these locking units must securely hold the restraint in the desired closed position. Over time, even a slight leak can cause the restraint to open slightly, posing a danger to passengers when the vehicle is in motion.

[0026] To this end, the locking units are regularly checked for proper function, typically several times a week. To do this, they are tested for leaks by specialists. This can be achieved, for example, by installing test equipment or using sensors to monitor the movement of the closing lever over time. During the functional test, if one of the locking units does not demonstrate the required leak tightness within the test period, it must be replaced to minimize the risk of accidents.

[0027] This test is highly reliable and has proven itself over the years. However, this functional test is both time-consuming and expensive. For one thing, appropriate test equipment must be available. For another, each locking unit in the facility must be tested. Since some modern facilities can accommodate up to 30 passengers, assuming a 10-minute test cycle per locking unit (installing the test equipment, testing, and removing the test equipment) and two locking units per passenger seat, the total test time is estimated to be 10 hours. Of course, the total test time can be minimized by using multiple test equipment and experts, but this also comes at a correspondingly higher cost.

[0028] According to the invention, the wireless transmission of operating data makes it possible to test the individual locking units more conveniently and quickly. When the operating data of the locking units are transmitted to the facility control system, the latter can also evaluate the operating data, thereby further simplifying the inspection work of the experts.

[0029] According to the present invention, a method for wirelessly transmitting operating data of the mobile hydraulic system is also provided. The method comprises the following steps: recording operating data of at least one hydraulic component by each electronic unit; assigning multiple wireless communication devices to each hydraulic unit; interconnecting the multiple wireless communication devices via a public wireless network; and transmitting the recorded operating data of the hydraulic units via the wireless communication devices via the public wireless network.

[0030] The method is carried out by the various aspects of the mobile hydraulic system described above. Therefore, the method according to the present invention also achieves the technical advantages described for the various features of the mobile hydraulic system.

[0031] Preferably, the step of transmitting the recorded operating data is performed by each of the wireless communication devices in the wireless network, and includes at least one of: sending the recorded operating data of each corresponding associated hydraulic unit, receiving the operating data of another hydraulic unit selected from the plurality of hydraulic units, and / or transmitting the operating data to at least one other wireless communication device. Thus, each of the wireless communication devices can function as both a transmitter and a receiver, and other transmission devices in the wireless network can be omitted.

[0032] Preferably, the method further comprises the steps of: setting up a base station connected to the wireless communication device in a public wireless network; and transmitting the operating data to the base station. The operating data of all hydraulic units can be collected at the base station and then evaluated together if necessary.

[0033] In another embodiment of the proposed method, operational data from each of the hydraulic units is transmitted by a wireless communication device at predetermined times and / or based on user input. Thus, the processing sequence can be tailored to the intended use of the mobile hydraulic system or configured to the specific requirements of each user. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] The present invention will be explained in more detail below with reference to an embodiment shown in the drawings.

[0035] Figure 1 According to the mobile hydraulic system with multiple hydraulic units of the present invention,

[0036] Figure 2 according to Figure 1 Multiple communication devices of the hydraulic unit form a public wireless network.

[0037] Figure 3 According to an alternative embodiment Figure 2 The wireless network shown, and

[0038] Figure 4 like Figures 1 to 3 A mobile hydraulic system is shown configured for a facility with multiple facility passenger units. DETAILED DESCRIPTION

[0039] Figure 1 The mobile hydraulic system 10 with a plurality of hydraulic units 12 according to the present invention is shown. The mobile hydraulic system 10 can be used for transportation, for example, as a train 10 with a plurality of carriages 11. Alternatively, the mobile hydraulic system 10 can also be used in a manufacturing process for goods, for example, as a production workshop 10 with a plurality of movable production units 12. In addition, the mobile hydraulic system can also be used as an amusement facility 10 with a plurality of amusement facility passenger units 11 for entertainment. For simplicity, the following description will be based on the amusement facility passenger unit 11 as an example, see also Figure 4 .

[0040] The individual amusement ride passenger units 11 can be moved relative to each other at a predetermined distance d. The amusement ride passenger units 11 can be mechanically connected to each other to maintain the specified distance d. Alternatively or additionally, the individual amusement ride passenger units 11 can be moved with the aid of a guide device to maintain the predetermined distance d. Furthermore, the individual amusement ride passenger units 11 can be moved along a predetermined trajectory R, ​​such as a railroad track. The trajectory R can be two-dimensional or three-dimensional, so that the amusement ride passenger units 11 can move vertically and horizontally along the trajectory R. In other words, the individual amusement ride passenger units 11 of the hydraulic system 10 are movable, and thus the hydraulic system 10 is a mobile hydraulic system.

[0041] For hydraulic operation, each amusement ride passenger unit 11 comprises a hydraulic unit 12, each of which has at least one hydraulic component 14, 16. Figure 1 In the exemplary embodiment, two hydraulic components 14 and 16 are provided, namely, a cylinder-piston unit 14 with a hydraulic accumulator 16. However, this embodiment is not intended to be limiting. A hydraulic pump or other similar hydraulic device may be used instead of the cylinder-piston unit 14. The hydraulic accumulator 16 supplies pressure to the cylinder-piston unit 14.

[0042] Furthermore, each hydraulic unit 12 includes an electronics unit 18. As used herein, the electronics unit 18 is an electronic device that, for example, generates control signals for controlling the hydraulic components 14 and 16. Furthermore, the electronics unit 18 receives signals from the hydraulic components 14 and 16 that provide information about at least one operating parameter of the hydraulic components 14 and 16. Based on these signals, the electronics unit 18 can determine operating data for the hydraulic units 12. The operating data provides information about the operating status of each hydraulic unit 12. For example, the operating data may include the number of actuations or the temperature of the hydraulic unit 12.

[0043] The electronic unit 18 can transmit the recorded operation data of the hydraulic unit 12 to the wireless communication device 20 for data exchange. Figure 1 In the illustrated embodiment, the communication device 20 is connected to the electronic unit 18 via a connection 19 in a wired manner. In this case, the communication device 20 is supplied with power from the electronic unit 18 via the connection 19. The connection 19 can also be wireless. Of course, the wireless communication device 20 can also be configured as part of each electronic unit 18.

[0044] refer to Figure 2 and Figure 3 , the data transmission of the operating data of the hydraulic unit 12 by means of the wireless communication device 20 is explained in more detail below.

[0045] Figure 2 Schematically shows the Figure 1 The operating data of the mobile hydraulic system 10 is recorded by the electronic unit 18 of each hydraulic unit 12. The operating data can be used to draw conclusions about the operating status of each hydraulic unit 12 or the mobile hydraulic system 10. For example, the operating data can be used to detect a malfunction in the hydraulic unit 12. Another example is that the operating data can be used to determine the remaining operating time of the hydraulic unit 12. After the remaining operating time has expired, maintenance or replacement of the hydraulic unit 12 can be planned. In addition, for example, for safety reasons, it may be necessary to regularly record the operating data of the hydraulic unit 12 to ensure the functionality of the hydraulic system 10.

[0046] The recorded operating data is transmitted to a communication device 20 via a connection 19 (wired or wireless). In the illustrated embodiment, each of the communication devices 20 is associated with a hydraulic unit 12 and receives the operating data of the hydraulic unit 2, which is collected by the electronics unit 18 of the hydraulic unit 12, as described above. The communication device 20 is an electronic device configured to transmit and receive the operating data of the hydraulic unit 12 via radio waves (i.e., wirelessly). For example, the wireless communication device 20 may be a mobile terminal.

[0047] The wireless communication devices 20 are connected to each other in a public wireless network 30 or form a public wireless network 30. To form the wireless network 30, each of the wireless communication devices 20 is wirelessly connected to at least one other wireless communication device 20 in the wireless network 30 for data transmission, such as Figure 2 As shown by the dashed line in the figure. Thus, each wireless communication device 20 can receive operational data from all other wireless communication devices 20 and send operational data to all other wireless communication devices 20. Data transmission between wireless communication devices 20 can occur directly, i.e., from one communication device 20 to another connected communication device 20. Furthermore, data transmission can also occur indirectly through one or more intermediate communication devices 20. In wireless network 30, intermediate communication devices 20 are also connected to each other at least in pairs.

[0048] The operating data transmitted in the wireless network 30 can be wirelessly retrieved on each of the wireless communication devices 20 by the upper-level control unit (not shown) of the mobile hydraulic system 10. The control unit uses the operating data to determine the operating state of the mobile hydraulic system 10 and can change the operating state using control signals. The control unit can also use the operating data to determine a fault in the mobile hydraulic system 10 and take appropriate corrective measures or issue a warning. Alternatively or additionally, professionals of the mobile hydraulic system 10 can also wirelessly retrieve the operating data via a diagnostic interface of the wireless network 30, etc., for maintenance. The diagnostic interface can be provided on one of the wireless communication devices 20 or can be configured as a wireless communication device 20. In addition, a direct connection to the wireless network 30 can also be established via a wireless terminal device, such as a personal computer. In this case, the operating data can be retrieved directly from the wireless terminal device. The operating data wirelessly retrieved via the diagnostic interface can be used to diagnose the mobile hydraulic system 10 and, if necessary, for maintenance.

[0049] Preferably, the wireless network 30 formed by the wireless communication devices 20 is a mesh network. In a mesh network, data can be exchanged directly between all wireless communication devices 20, i.e., no additional network components such as routers are required. In particular, Figure 2 As shown by the dashed line, all wireless communication devices 20 can be directly connected to each other in the mesh network. Therefore, operational data can be transmitted directly between all wireless communication devices 20. As described above, data can also be transmitted through intermediary communication devices 20. Each wireless communication device 20 recognizes all other wireless communication devices 20 in the mesh network as part of the public wireless network 30. Therefore, operational data transmission via wireless communication devices 20 occurs within the public wireless network 30, rather than across networks between different networks. This increases the security of data transmission. Furthermore, direct communication between wireless communication devices 20 also increases data transmission speed.

[0050] Another advantage of configuring wireless network 30 as a mesh network is that data can be transmitted even to network components that are not directly connected. For example, the spatial distance between two communication devices 20 can be very large. A direct connection between two communication devices 20 may also be blocked by obstacles, making direct data transmission between these communication devices 20 impossible. However, connecting the communication devices 20 in a mesh network creates a bridge through which operational data can be transmitted between non-directly connected communication devices 20.

[0051] Due to the adoption of Figure 2With the wireless design shown, each of the hydraulic units 12 can simultaneously transmit operating data at any time. Thus, the operating data of the mobile hydraulic system 10 can be continuously updated and recorded in real time. Furthermore, there is no need to interfere with the operating sequence of the mobile hydraulic system 10, as operating data can be transmitted from each of the wireless communication devices 12 at any time, for example, to a higher-level control unit in the mobile hydraulic system 10, without first having to establish a cable connection with each hydraulic unit 12. Finally, due to the ease of use of the wireless communication device 20, wireless transmission of operating data according to the present invention can also be implemented in existing hydraulic systems 10.

[0052] Figure 3 An alternative embodiment of a wireless network 30 for wirelessly transmitting operational data of the mobile hydraulic system 10 is shown. Figure 3 In the illustrated embodiment, the wireless network 30 includes a base station 32. The base station 32 is associated with the wireless network 30 and is connected to the wireless communication device 20.

[0053] like Figure 3 As shown, the base station 32 is connected to the wireless communication device 20 via a wireless or wired connection 19. The communication device 20 connected to the base station 32 is part of the wireless network 30 and can communicate with all other wireless communication devices 20 to exchange data, as described above. Figure 2 As stated.

[0054] Figure 3 Examples and Figure 2 The wireless network 30 shown differs in that the communication device 20 is configured to transmit the recorded operating data of the hydraulic unit 12 to a base station 32 for retrieval. The base station 32 may be provided with a storage unit for storing the operating data. The operating data stored by the base station 32 can be retrieved at any time and / or sent by the base station 32 to a higher-level control unit of the mobile hydraulic system 10, for example, for diagnostic purposes. Thus, the base station 32 can collect or forward the operating data of the hydraulic unit 12 via the wireless network 30.

[0055] Figure 4 The diagram schematically shows an application of a mobile hydraulic system as an amusement ride 10 for entertaining people. The amusement ride 10 comprises a plurality of interconnected amusement ride passenger units 11. The amusement ride passenger units 11 move together along a predetermined trajectory R (eg, a track of the amusement ride 10).

[0056] The following reference trajectory R direction (i.e. Figure 4 The plurality of amusement ride passenger units 11 are described with reference to the first amusement ride passenger unit 11 on the left side in the plan view. However, the design features of the other amusement ride passenger units 11 are similar to those of the first amusement ride passenger unit 11. For clarity, Figure 4Some reference numerals of other amusement facility passenger units 11 are omitted.

[0057] Figure 4 The illustrated amusement ride passenger unit 11 comprises a passenger support 1 and a passenger restraint device 2. The passenger support 1 is configured as a seat 5, which is mounted on a base structure 3, i.e., a seat support 4, of the amusement ride 10. The passenger restraint device 2 comprises a positionally adjustable restraint element 6 in the form of a restraint rod 8, which is mounted on the ride's base structure 3 so as to pivot on a joint 7 (see arrow A). The joint 7 has a padded pressure plate 9, by which a passenger seated on the seat 5 is secured to the seat 5 by means of the thighs near the hips.

[0058] As an example of an application of the hydraulic unit 12, a lockable locking unit 12 acts on the restraint bar 8. The locking unit 12 includes a cylinder-piston unit 14 and a hydraulic accumulator 16. The cylinder-piston unit 14 and the hydraulic accumulator 16 are examples of applications of the hydraulic components 14 and 16. The locking unit 12 is provided with an electronic unit 18 for collecting operational data of the locking unit 12. The locking unit 12 can hydraulically lock and unlock the restraint bar 8, thereby securely securing a passenger seated in the seat 5 during travel in the facility 10.

[0059] exist Figure 4 In the illustrated embodiment, the operating data includes the number of locking operations performed by the locking unit 12, as well as measurement values ​​that allow direct conclusions to be drawn regarding the tightness of the hydraulic system 10. The number of locking procedures performed by each amusement ride passenger unit 11 is crucial for ensuring the safety of the passengers of the attraction 10. Therefore, it is desirable to record and transmit this operating data as completely and frequently as possible. To this end, each amusement ride passenger unit 11 includes a wireless communication device 20.

[0060] The wireless communication device 20 is Figure 2 and Figure 3 The wireless network 30 is connected to the amusement ride 10. Therefore, even while the attraction 10 is moving, operational data can be collected from all locking units 12 of the attraction 10 and transmitted via the wireless network 30. The recorded operational data can be transmitted to a non-display attraction controller and evaluated at predetermined times, such as when the attraction 10 is stopped. This does not affect the operation of the attraction 10.

[0061] Reference Signs List

[0062] 1 Passenger bracket

[0063] 2 Passenger restraint devices

[0064] 3 Base structure

[0065] 4 seat brackets

[0066] 5 seats

[0067] 6 Constraint elements

[0068] 7 Joint

[0069] 8 restraint rods

[0070] 9 Pressure Plate

[0071] 10 Mobile hydraulic systems; facilities

[0072] 11 amusement ride passenger units

[0073] 12 hydraulic units; locking units

[0074] 14 Hydraulic components; cylinder-piston unit

[0075] 16 Hydraulic components; hydraulic accumulators

[0076] 18 electronic units

[0077] 19 Connectors

[0078] 20 Wireless communication equipment

[0079] 30 Wireless Network

[0080] 32 base stations

[0081] A Rotating Arrow

[0082] D distance

[0083] R track

Claims

1. A mobile hydraulic system (10), comprising: A plurality of hydraulic units (12) having at least one hydraulic component (14, 16) and an electronic unit (18), Each of the electronic units (18) is configured to record operating data of the at least one hydraulic component (14, 16) of each of the hydraulic units (12). Features Each hydraulic unit (12) has a wireless communication device (20), the wireless communication devices (20) of the hydraulic units (12) are connected to one another in a common wireless network (30), preferably in a mesh network, The wireless communication device (20) is configured to wirelessly transmit the recorded operation data of the hydraulic unit (12) in the wireless network (30).

2. The mobile hydraulic system (10) according to claim 1, Features Each of the wireless communication devices (20) is configured to transmit the recorded operation data of the hydraulic unit (12) assigned thereto and receive the operation data of other hydraulic units (12) selected from the plurality of hydraulic units (12) via the wireless network (30).

3. The mobile hydraulic system (10) according to claim 1 or 2, Features Each of the wireless communication devices (20) is configured to wirelessly transmit the operation data to at least one other wireless communication device (20) among the plurality of wireless communication devices (20) via the wireless network (30).

4. Mobile hydraulic system (10) according to any one of the preceding claims, Features The mobile hydraulic system (10) further includes a base station (32) associated with the wireless network (30) and connected to the wireless communication device (20). and The wireless communication device (20) is configured to wirelessly transmit the recorded operation data of the hydraulic unit (12) to the base station (32).

5. Mobile hydraulic system (10) according to any one of the preceding claims, Features The wireless communication devices (20) are connected to each other via public access data in the public wireless network (30).

6. Mobile hydraulic system (10) according to any one of the preceding claims, Features The wireless communication device (20) is connected to each of the electronic units (18) of the hydraulic unit (12), and electric power is supplied to the wireless communication device through each of the electronic units (18).

7. Mobile hydraulic system (10) according to any one of the preceding claims, Features The wireless communication device (20) can be added to the mobile hydraulic system (10).

8. Mobile hydraulic system (10) according to any one of the preceding claims, Features The hydraulic units (12) can move while maintaining a predetermined distance (d) between each other and / or can move along a predetermined trajectory (R).

9. Mobile hydraulic system (10) according to any one of the preceding claims, Features The hydraulic unit (12) is configured to drive a safety device of the hydraulic system (10), and the operation data transmitted by the wireless communication device (20) is used to monitor the safety device.

10. Mobile hydraulic system (10) according to claim 8 or 9, Features The mobile hydraulic system (10) is an amusement ride (10) having a plurality of amusement ride passenger units (11), the amusement ride passenger units (11) being provided with passenger restraint devices (2), and The hydraulic unit (12) is a locking unit (12) for locking the passenger restraint device (2) of the amusement ride passenger unit (11).

11. The mobile hydraulic system (10) according to claim 10, Features The wireless communication device (20) is configured to wirelessly transmit the operation data of the locking unit (12) to an amusement ride control system.

12. Method for wirelessly transmitting operating data of a mobile hydraulic system (10) according to any one of the preceding claims, the method comprising the following steps: - recording of operating data of at least one hydraulic component (14, 16) by each electronic unit (18), - assigning a plurality of wireless communication devices (20) to each hydraulic unit (12), - connecting the plurality of wireless communication devices (20) to each other in a public wireless network (30), and - transmitting the recorded operating data of the hydraulic unit (12) in the public wireless network (30) via the wireless communication device (20).

13. The method according to claim 12, in, The step of transmitting the operating data from each of the wireless communication devices (20) in the wireless network (30) comprises: - sending the recorded operating data of each respectively assigned hydraulic unit (12), and / or - receiving operating data of other hydraulic units (12) selected from the plurality of hydraulic units (12), and / or - transmitting the operating data to at least one further wireless communication device (20).

14. The method according to claim 12 or 13, in, The method further comprises the following steps: - placing a base station (32) connected to the wireless communication device (20) in the public wireless network (30), and - transmitting said operating data to said base station (32).

15. The method according to any one of claims 12 to 14, in, Operational data from each of the hydraulic units (12) is transmitted by the wireless communication device (20) at predetermined times and / or based on user input.

Images