A fuel cell engine attitude recognition system, method, medium and device
The three-sensor layout system calculates the attitude of the fuel cell engine and accurately controls water discharge, solving the problem of liquid water reflux in heavy truck mining vehicles and protecting the engine performance and life.
Patent Information
- Application Number
- CN202111121012.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-09-24
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2041-09-24
AI Technical Summary
In harsh environments, the fluid shaking in the water-distribution of the fuel cell engine causes liquid water to flow back, causing engine performance to decline and frequent start-stop, affecting the overall performance and life.
A three-sensor layout system is adopted to calculate the fuel cell engine attitude through the time difference of the sensor receiving signals, accurately control the drainage strategy to avoid water return.
It realizes accurate identification of fuel cell engine posture, precise control of water discharge, prevents water return, and protects engine performance and life.
Smart Images

Figure CN113782784B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of fuel cells, and particularly to a fuel cell engine attitude recognition system, method, medium and device. Background Art
[0002] With the development and application of hydrogen fuel cell technology, more and more heavy trucks, mining trucks, etc. have adopted hydrogen fuel cell engines as the source of driving power. In actual applications, the application environment of mining vehicles for heavy trucks is harsh, and there are often situations of rapid uphill and downhill, and steep uphill and downhill. In this case, the liquid in the water separator will shake, and it is very likely that the liquid water will flow back into the stack, resulting in a decline in the performance of the fuel cell engine, unstable operation, and thus shutdown. If the liquid in the water separator frequently flows back and causes shutdown, the engine will start and stop frequently, affecting the overall performance and life of the engine. Summary of the Invention
[0003] The technical problem to be solved by the present invention is to provide a fuel cell engine attitude recognition system, method, medium and device that overcome the technical problems existing in the background art.
[0004] To solve the above technical problem, the first technical solution adopted by the present invention is:
[0005] A fuel cell engine attitude recognition system, the fuel cell engine includes a water separator, and a sensor is arranged in the water separator;
[0006] The sensor at least includes a first sensor, a second sensor and a third sensor;
[0007] The first sensor and the second sensor are arranged on the same horizontal plane;
[0008] The horizontal plane where the third sensor is located is higher than that of the first sensor and the second sensor.
[0009] Preferably, the first sensor and the second sensor are arranged on the same horizontal plane and are parallel to each other.
[0010] Preferably, the water separator includes a controller and a drain valve, the first sensor, the second sensor and the third sensor are electrically connected to the controller, and the controller controls the opening and closing of the drain valve according to the signals of the first sensor, the second sensor and the third sensor.
[0011] Preferably, the horizontal plane where the first sensor and the second sensor are located is the lowest liquid level of the water separator;
[0012] The horizontal plane where the third sensor is located is the highest liquid level.
[0013] Preferably, the vertical distance between the third sensor and the first sensor or the second sensor is less than half of the width of the water dividing member.
[0014] To solve the above technical problems, the second technical solution adopted by the present invention is:
[0015] An identification method for the fuel cell engine attitude identification system as described above, including
[0016] Preset L as the total length of the water dividing member, and W as the width of the water dividing member; establish a coordinate system with the width direction as the X-axis, the length direction as the Y-axis, and the height direction as the Z-axis;
[0017] is the distance between the first sensor and the second sensor, b is the vertical distance between the first sensor and the third sensor, and , c is the distance between the third sensor and the stack end plate, q is the theoretical water production of the fuel cell, is the time difference triggered by the first sensor and the second sensor, is the time difference triggered by the first sensor and the third sensor;
[0018] Calculation of the rotation angle in the X-axis direction:
[0019] Set the rotation angle as :
[0020] If the first sensor and the second sensor are triggered simultaneously: ;
[0021] If one of the first sensor and the second sensor is triggered first: ;
[0022] Calculation of the rotation angle in the Y-axis direction:
[0023] Set the rotation angle as :
[0024] If the time difference
[0025] If the time difference
[0026] On the contrary,
[0027] Preferably, if the straight-line distance between the second sensor and the third sensor is less than the straight-line distance between the first sensor and the third sensor, then
[0028] Calculation of the rotation angle in the X-axis direction:
[0029] Set the rotation angle as :
[0030] If the first sensor and the second sensor are triggered simultaneously: ;
[0031] If the first sensor is triggered before the second sensor:
[0032] If the second sensor is triggered before the first sensor:
[0033] Preferably, after the first sensor or the second sensor is triggered and the liquid level in the water separation member continues to rise to trigger the third sensor, the drain valve is opened to drain water;
[0034] After draining water, if the first sensor and the second sensor are triggered and closed, the drain valve is closed.
[0035] To solve the above technical problems, the third technical solution adopted by the present invention is:
[0036] A medium stores a computer program, and when the computer program is executed by a processor, the recognition method of the above fuel cell engine attitude recognition system is realized.
[0037] To solve the above technical problems, the fourth technical solution adopted by the present invention is:
[0038] A device includes at least a memory and a processor. A computer program is stored on the memory, and when the processor executes the computer program on the memory, the recognition method of the above fuel cell engine attitude recognition system is realized.
[0039] The beneficial effects of the present invention are as follows: Through the arrangement of three sensors and the time difference of the signals received by each sensor, the attitude of the corresponding fuel cell engine can be accurately calculated, so as to provide a more accurate drainage strategy; through the sensor arrangement, the upper and lower liquid levels are accurately set, and the water discharge is precisely controlled to avoid water backflow or waterlogging and reverse flow back to the anode, causing damage to the performance and life of the engine. Description of the Drawings
[0040] Figure 1 It is a schematic structural diagram of a water separation member of a fuel cell engine attitude recognition system according to a specific embodiment I of the present invention;
[0041] Figure 2 It is a schematic diagram of the reference coordinate axes of a water separation member of a fuel cell engine attitude recognition system according to a specific embodiment II of the present invention;
[0042] Figure 3 For Figure 2 The front view, left view and parameter marking diagram of
[0043] Label description: 1. First sensor; 2. Second sensor; 3. Third sensor; 4. Water distributor. Detailed implementation mode
[0044] To describe the technical content, achieved purpose and effects of the present invention in detail, the following is described in combination with the implementation modes and with reference to the drawings.
[0045] Embodiment 1
[0046] Please refer to Figure 1 , a fuel cell engine attitude recognition system, the fuel cell engine includes a water distributor 4, and sensors are arranged inside the water distributor;
[0047] The sensors at least include a first sensor 1, a second sensor 2 and a third sensor 3;
[0048] The first sensor and the second sensor are arranged on the same horizontal plane;
[0049] The horizontal plane where the third sensor is located is higher than the first sensor and the second sensor.
[0050] The first sensor and the second sensor are located on the same horizontal plane and are arranged in parallel.
[0051] The water distributor includes a controller and a drain valve. The first sensor, the second sensor and the third sensor are electrically connected to the controller, and the controller controls the opening and closing of the drain valve according to the signals of the first sensor, the second sensor and the third sensor.
[0052] The horizontal plane where the first sensor and the second sensor are located is the lowest liquid level of the water distributor;
[0053] The horizontal plane where the third sensor is located is the highest liquid level.
[0054] The vertical distance between the third sensor and the first sensor or the second sensor is less than half of the width of the water distributor.
[0055] Embodiment 2
[0056] Please refer to Figure 2 and Figure 3 , a recognition method for the fuel cell engine attitude recognition system described in Embodiment 1, including
[0057] Preset L as the total length of the water distributor, and W as the width of the water distributor; establish a coordinate system with the width direction as the X-axis, the length direction as the Y-axis, and the height direction as the Z-axis;
[0058] is the distance between the first sensor and the second sensor, b is the vertical distance between the first sensor and the third sensor, and , c is the distance between the third sensor and the stack end plate, q is the theoretical water production of the fuel cell, is the time difference triggered by the first sensor and the second sensor, is the time difference triggered by the first sensor and the third sensor;
[0059] X-axis rotation inclination calculation:
[0060] Set the rotation inclination as :
[0061] If the first sensor and the second sensor are triggered simultaneously: ;
[0062] If the first sensor is triggered before the second sensor:
[0063] If the second sensor is triggered before the first sensor:
[0064] Y-axis rotation inclination calculation:
[0065] Set the rotation inclination as :
[0066] If the time difference between the first sensor and the third sensor
[0067] If the time difference between the first sensor and the third sensor
[0068] Conversely,
[0069] After the first sensor or the second sensor is triggered, the liquid level in the water separator continues to rise and triggers the third sensor, then the drain valve is opened to drain water;
[0070] After draining, if the first sensor and the second sensor are triggered and closed, the drain valve is closed.
[0071] Embodiment Three
[0072] A medium stores a computer program, and when the computer program is executed by a processor, it implements the recognition method of the fuel cell engine attitude recognition system described in Embodiment Two.
[0073] Embodiment Four
[0074] A device includes at least a memory and a processor. A computer program is stored on the memory, and when the processor executes the computer program on the memory, it implements the recognition method of the fuel cell engine attitude recognition system described in Embodiment Two.
[0075] The above are only embodiments of the present invention, and thus do not limit the patent scope of the present invention. Any equivalent transformation made by using the content of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical fields, shall be similarly included in the patent protection scope of the present invention.
Claims
1. A fuel cell engine attitude recognition system, wherein the fuel cell engine includes a water separation member, characterized in that, A sensor, a controller and a drain valve are arranged inside the water distribution member; The sensor at least includes a first sensor, a second sensor and a third sensor; The first sensor and the second sensor are arranged on the same horizontal plane; The horizontal plane where the third sensor is located is higher than the first sensor and the second sensor; After the first sensor or the second sensor is triggered and the liquid level inside the water distribution member continues to rise and triggers the third sensor, the drain valve is opened for drainage; if the first sensor and the second sensor are triggered and closed after drainage, the drain valve is closed; preset Let L be the total length of the water distribution member and W be the width of the water distribution member; a coordinate system is established with the width direction as the X-axis, the length direction as the Y-axis, and the height direction as the Z-axis; is the distance between the first sensor and the second sensor, is the vertical distance between the first sensor and the third sensor, and , is the distance between the third sensor and the stack end plate, is the theoretical water production of the fuel cell, is the time difference between the triggers of the first sensor and the second sensor, is the time difference between the triggers of the first sensor and the third sensor; Calculation of the rotation angle in the X-axis direction: Set the rotation inclination angle to : If the first sensor and the second sensor are triggered simultaneously: ; If either the first sensor or the second sensor is triggered first: ; Calculation of the rotation angle in the Y-axis direction: Set the rotation inclination angle to : If the time difference between the triggering of the first sensor and the third sensor when ; If the time difference between the triggering of the first sensor and the third sensor when ; On the contrary, 2. The fuel cell engine attitude recognition system according to claim 1, characterized in that, The first sensor and the second sensor are on the same horizontal plane and are arranged in parallel.
3. The fuel cell engine attitude recognition system according to claim 1, characterized in that, The first sensor, the second sensor and the third sensor are electrically connected to the controller, and the controller controls the opening and closing of the drain valve according to the signals of the first sensor, the second sensor and the third sensor.
4. The fuel cell engine attitude recognition system according to claim 1, wherein, The horizontal plane where the first sensor and the second sensor are located is the lowest liquid level of the water distribution member; The horizontal plane where the third sensor is located is the highest liquid level.
5. The fuel cell engine attitude recognition system according to claim 1, characterized in that The vertical distance between the third sensor and the first sensor or the second sensor is less than half of the width of the water distribution member.
6. The fuel cell engine attitude recognition system according to claim 1, wherein If the linear distance between the second sensor and the third sensor is less than the linear distance between the first sensor and the third sensor, then Calculation of the rotation angle in the X-axis direction: Set the rotation inclination angle to : If the first sensor and the second sensor are triggered simultaneously: ; If the first sensor is triggered before the second sensor: ; If the second sensor is triggered before the first sensor:
Citation Information
Patent Citations
Fuel cell engine attitude recognition system
CN216084961U
Water trap system for fuel cell vehicle
KR1020100136872A