Anti-falling protection device and straddle carrier for transporting energy storage system

Abstract

The utility model relates to the technical field of energy storage system transportation, in particular to an anti-falling protection device and a straddle carrier used for transporting an energy storage system, the device comprises an anti-falling detection mechanism, a protection mechanism and a standby power supply, the anti-falling detection mechanism is arranged on the straddle carrier and is configured to detect whether a lifting appliance is abnormal or not and output a protection control signal, and the protection mechanism is arranged on the straddle carrier. Detecting the voltage abnormity of a power supply for supplying power to the lifting appliance and outputting a standby power supply control signal; the protection mechanism is rotationally connected to the lower side of the straddle carrier and is configured to receive a protection control signal, when the lifting appliance is abnormal, the protection mechanism rotates to the position under the energy storage system, and when the lifting appliance is normal, the protection mechanism rotates to the vertical side of a door-shaped frame of the straddle carrier; the standby power supply is arranged on the straddle carrier, is connected with the lifting appliance and is configured to receive the standby power supply control signal, and when the voltage of the power supply for supplying power to the lifting appliance is abnormal, the standby power supply is turned on. And the safety and the reliability of straddle carrier operation are effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of energy storage system transportation technology, specifically to a fall protection device and a straddle carrier for transporting energy storage systems. Background Technology

[0002] An Energy Storage System (ESS) is a device or combination of devices used to store energy and release it when needed. With the rapid development of renewable energy sources such as solar and wind power, ESS plays a crucial role in energy management, power system stability, and energy transition. Energy storage system transportation refers to the safe transport of various types of energy storage devices (such as battery packs, hydrogen storage tanks, flywheels, supercapacitors, etc.) from production sites or storage locations to their destinations (e.g., power plants, industrial facilities, or new energy project sites).

[0003] Because energy storage devices are typically large, heavy, and environmentally sensitive, specialized straddle carriers are required for transportation to ensure safe, stable, and efficient handling. The straddle carrier uses a portal frame to straddle the energy storage device. A lifting system is installed on the saddle beam at the top of the portal frame. This lifting system uses a spreader to lift the energy storage device for transport, and the device can be stacked two or three layers high. It features high mobility, efficiency, stability, and low wheel pressure.

[0004] However, due to the large weight of the load, the lifting rope may break or the lifting equipment may become loose due to abnormal power supply, posing a significant safety hazard in lifting and transportation. Utility Model Content

[0005] In view of the above-mentioned shortcomings of the prior art, the present invention provides a fall protection device and a straddle carrier for transporting energy storage systems to solve the above-mentioned technical problems.

[0006] In a first aspect, this utility model provides a fall protection device, including a fall detection mechanism, a protection mechanism, and a backup power supply.

[0007] The fall protection detection mechanism is installed on the straddle carrier and is configured to detect abnormalities in the spreading gear and output a protection control signal, and to detect abnormalities in the power supply voltage supplying the spreading gear and output a backup power control signal.

[0008] The protection mechanism is rotatably connected to the underside of the straddle carrier and is configured to receive protection control signals. When the spreader is abnormal, the protection mechanism rotates to the area directly below the energy storage system. When the spreader is normal, the protection mechanism rotates to the vertical side of the straddle carrier's gantry frame.

[0009] The backup power supply is installed on the straddle carrier and connected to the spreader. It is configured to receive backup power supply control signals and to turn on when the power supply voltage to the spreader is abnormal.

[0010] In one optional implementation, the fall protection detection mechanism includes:

[0011] The spreader malfunction detection sensor is configured to detect the spreader's rotation status and connection status.

[0012] The lifting device abnormality detection circuit is configured to detect abnormal rotation and abnormal breakage of the lifting device and generate a protection control signal;

[0013] A power supply voltage detection sensor is configured to detect the power supply voltage;

[0014] The power supply voltage anomaly detection circuit is configured to detect power supply voltage anomalies and generate a backup power supply control signal.

[0015] In one optional implementation, the spreader anomaly detection sensor includes an angle sensor for detecting the spreader's rotation angle and a tension sensor for detecting the spreader's tension.

[0016] In one optional implementation, the lifting device anomaly detection circuit includes a first comparator, a second comparator, and an OR gate.

[0017] The non-inverting input of the first comparator receives the angle signal output by the angle sensor, the inverting input receives the angle threshold signal, and the output outputs the first comparison signal.

[0018] The non-inverting input of the second comparator receives the tension signal from the tension sensor, the inverting input receives the tension threshold signal, and the output outputs the second comparison signal.

[0019] The OR gate takes a first comparison signal as input to one input and a second comparison signal as input to the other input, and outputs a protection control signal.

[0020] A first transistor is installed between the protection mechanism and the power supply. The base of the first transistor receives the protection control signal, the emitter is connected to the power supply, and the collector is connected to the protection mechanism.

[0021] In an optional implementation, the power supply voltage anomaly detection circuit includes a third comparator. The inverting input of the third comparator receives the voltage signal output by the power supply voltage detection sensor, the non-inverting input receives the voltage threshold signal, and the output outputs a backup power supply control signal.

[0022] A second transistor is installed between the lifting device and the backup power supply. The base of the second transistor receives the protection control signal, the emitter is connected to the backup power supply, and the collector is connected to the lifting device.

[0023] In one optional embodiment, the protection mechanism includes a protective net and a drive assembly. The protective net is rotatably connected to the straddle carrier frame, and the rotation direction is along the vertical direction near the frame side to the horizontal direction away from the frame side. The drive assembly is disposed on the frame and connected to one side of the protective net for driving the protective net to rotate.

[0024] In one alternative embodiment, the protective netting includes a mesh-like nylon net and a fixing frame around the nylon net.

[0025] In one optional embodiment, the drive assembly includes a motor and a rotating shaft. The rotating shaft is fixedly connected to one side of the protective net and rotatably connected to the vehicle frame. The motor is fixedly mounted on the vehicle frame and is drivenly connected to the rotating shaft.

[0026] In an alternative embodiment, a straddle carrier for transporting an energy storage system includes the aforementioned fall protection device.

[0027] The beneficial effects of this invention are as follows: The device, through a fall protection detection mechanism installed on the straddle carrier, can promptly detect abnormalities in the spreading gear and the power supply voltage supplying the spreading gear, and outputs protective control signals and backup power control signals respectively. The protective mechanism is rotatably connected to the underside of the straddle carrier. When the spreading gear malfunctions, it can rotate to the area directly below the energy storage system for protection; under normal conditions, it rotates to the vertical side of the straddle carrier's gantry frame, without affecting the normal operation of the straddle carrier. The backup power supply receives a control signal and activates when the power supply voltage is abnormal, providing emergency power to the spreading gear and ensuring its safe operation under abnormal circumstances, effectively improving the safety and reliability of straddle carrier operations.

[0028] Furthermore, the design principle of this utility model is reliable, the structure is simple, and it has a very wide range of application prospects. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] Figure 1 This is a schematic block diagram of a fall protection device according to an embodiment of the present invention.

[0031] Figure 2 This is a circuit diagram for judging abnormalities in lifting devices provided in an embodiment of this utility model.

[0032] Figure 3A circuit diagram for judging abnormal power supply voltage provided in an embodiment of this utility model.

[0033] Figure 4 A schematic diagram of the protective mechanism in a straddle carrier provided in an embodiment of this utility model.

[0034] Figure 5 This is a schematic diagram of another structure of the protection mechanism in the straddle carrier provided in an embodiment of the present utility model.

[0035] Among them, 1. straddle carrier gantry frame; 2. protective net; 3. drive components. Detailed Implementation

[0036] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0037] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0038] like Figure 1 As shown, a fall protection device includes a fall detection mechanism, a protection mechanism, and a backup power supply.

[0039] The fall protection detection mechanism is installed on the straddle carrier and is configured to detect abnormalities in the spreading gear and output a protection control signal, and to detect abnormalities in the power supply voltage supplying the spreading gear and output a backup power control signal.

[0040] On the one hand, it can detect abnormal conditions of the spreader in real time. Once a problem is detected, it can promptly output a protection control signal to trigger subsequent protection mechanisms, greatly improving the safety of the spreader during use and reducing the risk of safety accidents caused by spreader failure. On the other hand, it can also detect abnormal power supply voltage to the spreader and output a backup power control signal when an abnormality occurs. This ensures that the backup power supply can be quickly activated in the event of a power failure, guaranteeing the continuous and stable operation of the spreader and preventing sudden failure of the spreader due to power problems. This improves the reliability and stability of the entire straddle carrier system.

[0041] The protection mechanism is rotatably connected to the underside of the straddle carrier and is configured to receive protection control signals. When the spreader is abnormal, the protection mechanism rotates to the area directly below the energy storage system. When the spreader is normal, the protection mechanism rotates to the vertical side of the straddle carrier's gantry frame 1.

[0042] When the spreader is functioning normally, the protection mechanism rotates to the vertical side of the straddle carrier's gantry frame 1, ensuring uninterrupted operation and maintaining the straddle carrier's efficiency. Conversely, in the event of a spreader malfunction, the protection mechanism quickly rotates to directly beneath the energy storage system, providing timely and effective protection and preventing damage from falls or other hazards caused by spreader failure. This intelligent response mechanism significantly enhances the safety and reliability of the straddle carrier system, while also enabling efficient switching between different operating states and efficient space utilization.

[0043] The backup power supply is installed on the straddle carrier and connected to the spreader. It is configured to receive backup power supply control signals and to turn on when the power supply voltage to the spreader is abnormal.

[0044] Optionally, as an embodiment of this utility model, the fall protection detection mechanism includes:

[0045] The spreader malfunction detection sensor is configured to detect the spreader's rotation status and connection status.

[0046] The lifting device abnormality detection circuit is configured to detect abnormal rotation and abnormal breakage of the lifting device and generate a protection control signal;

[0047] A power supply voltage detection sensor is configured to detect the power supply voltage;

[0048] The power supply voltage anomaly detection circuit is configured to detect power supply voltage anomalies and generate a backup power supply control signal.

[0049] The malfunction detection sensor for the lifting sling can comprehensively monitor its working status by detecting its rotation and connection status. It can promptly detect abnormalities in sling rotation, such as excessive rotation or jamming, and check the security of connections, identifying any loosening or impending disconnection. By activating appropriate protective measures immediately upon encountering a problem, the sensor significantly improves the safety of lifting sling use and reduces the risk of accidents caused by sling malfunctions.

[0050] The power supply voltage detection sensor can monitor the power supply voltage to the spreader in real time, ensuring timely understanding of the power supply's operating status. It can detect abnormal conditions such as excessively low voltage or disconnection. When the main power supply fails, it can promptly activate the backup power supply to ensure continuous power supply to the spreader, preventing sudden spreader failure due to power failure, thereby improving the reliability and stability of the entire straddle carrier system.

[0051] Optionally, as one embodiment of this utility model, such as Figure 2 As shown, the abnormality detection sensor for the lifting device includes an angle sensor for detecting the rotation angle of the lifting device and a tension sensor for detecting the tension of the lifting device.

[0052] Angle sensors are used to detect the rotation angle of the spreader, enabling timely detection of whether the spreader's rotation exceeds the normal range and preventing safety issues caused by excessive or abnormal rotation. Tension sensors are used to detect the tension in the spreader, providing real-time monitoring of the load it bears. When the tension exceeds the safe range, the anomaly can be detected promptly, preventing damage or breakage due to overload and further ensuring the safety of straddle carrier operations.

[0053] The abnormality detection circuit for the lifting device includes a first comparator, a second comparator, and an OR gate.

[0054] The non-inverting input of the first comparator A1 is connected to one end of the fourth resistor R4, and the output of the angle sensor is connected to the other end of the fourth resistor R4.

[0055] The inverting input of the first comparator A1 is connected to the voltage divider output of the angle threshold signal reference voltage. The voltage divider output of the angle threshold signal reference voltage is composed of power supply VCC, first resistor R1, second resistor R2 and third resistor R3. One end of the first resistor R1 is connected to power supply VCC, the other end of the first resistor R1 is connected to one end of the second resistor R2, the other end of the second resistor R2 is grounded, one end of the third resistor R3 is connected to the end where the first resistor R1 and the second resistor R2 are connected, and the other end of the third resistor R3 is connected to the inverting input of the first comparator A1.

[0056] The first comparator A1 outputs a first comparison signal;

[0057] The non-inverting input of the second comparator A2 receives the tension signal from the tension sensor, the inverting input receives the tension threshold signal, and the output outputs the second comparison signal.

[0058] The non-inverting input of the second comparator A2 is connected to one end of the eighth resistor R8, and the output of the tension sensor is connected to the other end of the eighth resistor R8.

[0059] The inverting input of the second comparator A2 is connected to the voltage divider output of the tensile threshold signal reference voltage. The voltage divider output of the tensile threshold signal reference voltage is composed of power supply VCC, the ninth resistor R9, the tenth resistor R10, and the twelfth resistor R12. One end of the tenth resistor R10 is connected to power supply VCC, and the other end of the tenth resistor R10 is connected to one end of the eleventh resistor R11. The other end of the eleventh resistor R11 is grounded. One end of the ninth resistor R9 is connected to the end where the tenth resistor R10 and the eleventh resistor R11 are connected, and the other end of the ninth resistor R9 is connected to the inverting input of the first comparator A1.

[0060] The second comparator A2 outputs a second comparison signal;

[0061] The OR gate takes a first comparison signal as input to one input and a second comparison signal as input to the other input, and outputs a protection control signal.

[0062] A first transistor is installed between the protection mechanism and the power supply. The base of the first transistor receives the protection control signal, the emitter is connected to the power supply, and the collector is connected to the protection mechanism.

[0063] When the angle signal output by the angle sensor is greater than the angle threshold, the first comparator A1 outputs a high level. When the tension signal output by the tension sensor is greater than the tension threshold, the second comparator A2 outputs a high level. When the first comparison signal and / or the second comparison signal are high, the protection control signal output after the OR gate is high. At this time, the first transistor Q1 is turned on, and the protection mechanism is powered on and begins to rotate the protective net 2.

[0064] Optionally, as one embodiment of this utility model, such as Figure 3 As shown, the power supply voltage anomaly detection circuit includes a third comparator A3. The inverting input of the third comparator A3 receives the voltage signal output by the power supply voltage detection sensor, the non-inverting input receives the voltage threshold signal, and the output outputs the backup power supply control signal; the connection method is the same as above.

[0065] A second transistor is installed between the lifting device and the backup power supply. The base of the second transistor receives the protection control signal, the emitter is connected to the backup power supply, and the collector is connected to the lifting device.

[0066] When the power supply voltage is lower than the voltage threshold signal, the third comparator A3 outputs a high level, at which point the backup power supply and the lifting device are connected, and the backup power supply is activated.

[0067] Optionally, as one embodiment of this utility model, such as Figure 4 and Figure 5As shown, the protective mechanism includes a protective net 2 and a drive assembly 3. The protective net 2 is rotatably connected to the straddle carrier gantry frame 1. The protective net 2 includes a mesh-like nylon net and fixing frames around the nylon net. The rotation direction is from the vertical direction near the frame to the horizontal direction away from the frame. The drive assembly 3 is mounted on the straddle carrier gantry frame 1 and connected to one side of the protective net 2, used to drive the protective net 2 to rotate. The drive assembly 3 includes a motor and a rotating shaft. The rotating shaft is fixedly connected to one side of the protective net 2 and rotatably connected to the straddle carrier gantry frame 1. The motor is fixedly mounted on the frame and driven by the rotating shaft.

[0068] The motor receives the aforementioned protection control signal. When the protection control signal is high, the motor is powered on and begins to rotate, causing the protective net 2 to rotate directly below the energy storage system. When the energy storage system malfunctions and falls off, the protective net 2 acts as a buffer. When unloading or troubleshooting, the motor is controlled to rotate the protective net 2 back to its initial position close to the frame, so as not to affect the normal operation of the straddle carrier.

[0069] Optionally, as an embodiment of the present invention, a straddle carrier for transporting energy storage systems includes the aforementioned anti-fall protection device.

[0070] Therefore, the technical effects achieved by this embodiment can be found in the description above, and will not be repeated here.

[0071] The modules described as separate components may or may not be physically separate. The components shown as modules may or may not be physical modules; that is, they may be located in one place or distributed across multiple network modules. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs.

[0072] In addition, the functional modules in the various embodiments of this utility model can be integrated into one processing module, or each module can exist physically separately, or two or more modules can be integrated into one module.

[0073] Although the present invention has been described in detail with reference to the accompanying drawings and preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made to the embodiments of the present invention by those skilled in the art without departing from the spirit and essence of the present invention, and such modifications or substitutions should all be within the scope of the present invention. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should also be included within the protection scope of the present invention.

Claims

1. A fall protection device, characterized in that, This includes fall protection testing facilities, safety mechanisms, and backup power supplies. The fall protection detection mechanism is installed on the straddle carrier and is configured to detect abnormalities in the spreading gear and output a protection control signal, and to detect abnormalities in the power supply voltage supplying the spreading gear and output a backup power control signal. The protection mechanism is rotatably connected to the underside of the straddle carrier and is configured to receive protection control signals. When the spreader is abnormal, the protection mechanism rotates to the area directly below the energy storage system. When the spreader is normal, the protection mechanism rotates to the vertical side of the straddle carrier's gantry frame. The backup power supply is installed on the straddle carrier and connected to the spreader. It is configured to receive backup power supply control signals and to turn on when the power supply voltage to the spreader is abnormal.

2. The fall protection device according to claim 1, characterized in that, The fall protection detection mechanism includes: The spreader malfunction detection sensor is configured to detect the spreader's rotation status and connection status. The lifting device abnormality detection circuit is configured to detect abnormal rotation and abnormal breakage of the lifting device and generate a protection control signal; A power supply voltage detection sensor is configured to detect the power supply voltage; The power supply voltage anomaly detection circuit is configured to detect power supply voltage anomalies and generate a backup power supply control signal.

3. The fall protection device according to claim 2, characterized in that, The abnormality detection sensor for the lifting device includes an angle sensor for detecting the rotation angle of the lifting device and a tension sensor for detecting the tension of the lifting device.

4. The fall protection device according to claim 3, characterized in that, The abnormality detection circuit for the lifting device includes a first comparator, a second comparator, and an OR gate. The non-inverting input of the first comparator receives the angle signal output by the angle sensor, the inverting input receives the angle threshold signal, and the output outputs the first comparison signal. The non-inverting input of the second comparator receives the tension signal from the tension sensor, the inverting input receives the tension threshold signal, and the output outputs the second comparison signal. The OR gate takes a first comparison signal as input to one input and a second comparison signal as input to the other input, and outputs a protection control signal. A first transistor is installed between the protection mechanism and the power supply. The base of the first transistor receives the protection control signal, the emitter is connected to the power supply, and the collector is connected to the protection mechanism.

5. The fall protection device according to claim 2, characterized in that, The power supply voltage anomaly detection circuit includes a third comparator. The inverting input of the third comparator receives the voltage signal output by the power supply voltage detection sensor, the non-inverting input receives the voltage threshold signal, and the output outputs the backup power supply control signal. A second transistor is installed between the lifting device and the backup power supply. The base of the second transistor receives the protection control signal, the emitter is connected to the backup power supply, and the collector is connected to the lifting device.

6. The fall protection device according to claim 1, characterized in that, The protective mechanism includes a protective net and a drive assembly. The protective net is rotatably connected to the straddle-type frame of the transport vehicle, and the rotation direction is from the vertical direction near the frame to the horizontal direction away from the frame. The drive assembly is mounted on the frame and connected to one side of the protective net to drive the protective net to rotate.

7. The fall protection device according to claim 6, characterized in that, The protective netting includes a mesh-like nylon net and a fixing frame around the nylon net.

8. The fall protection device according to claim 6, characterized in that, The drive assembly includes a motor and a rotating shaft. The rotating shaft is fixedly connected to one side of the protective net and rotatably connected to the vehicle frame. The motor is fixedly mounted on the vehicle frame and is drivenly connected to the rotating shaft.

9. A straddle carrier for transporting energy storage systems, characterized in that, Includes the fall protection device according to any one of claims 1-8.

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