Rail vehicle air conditioning control system, method and device

Abstract

A rail vehicle air conditioning control system, method and device, comprising: a power supply, a main controller, a unit controller, a heating floor and a temperature protector; a unit controller is arranged between the main controller and the temperature protector; the temperature protector is arranged inside the heating floor; the heating floor, the temperature protector and the unit controller correspond one to one; the unit controller, the heating floor and the main controller are connected to the power supply. The rail vehicle air conditioning control system, method and device provided by the present invention achieve a comfortable temperature in the compartment through the cooperation of the heating floor and the air conditioner.

Description

Technical Field

[0001] The present invention relates to the technical field of rail vehicles, and in particular to a rail vehicle air conditioning control system, method and device. Background Art

[0002] With the development of science and technology, major cities in China have developed rail transit, and subways and light rails have become important means of transportation for people to travel, alleviating the current traffic congestion problems in cities. However, most of the existing heating systems for rail vehicles use electric warm air for heating, such as the control method, device, system and patent technology of rail vehicle air conditioning system provided by application number 201611061755.8 and authorization announcement number CN106585650A, which are distributed to the car through the air conditioning system. This heating system is subject to many conditions due to the arrangement of the air outlet position, and there are problems such as poor temperature uniformity in the car, dry car, easy static electricity, and loud noise, which reduces the comfort of passengers. At the same time, the existing heating system uses a resistance wire heater for heating, and the heating efficiency is low. Summary of the invention

[0003] In view of the above problems, the present invention provides a rail vehicle air conditioning control system, method and device, which achieve a comfortable temperature in the vehicle compartment by cooperating with the heated floor and the air conditioner.

[0004] In order to achieve the above object, the present invention adopts the following technical scheme: a rail vehicle air conditioning control system, comprising: a power supply, a main controller, a unit controller, a heating floor and a temperature protector;

[0005] A unit controller is provided between the main controller and the temperature protector;

[0006] The temperature protector is arranged inside the heating floor;

[0007] The heating floor, the temperature protector and the unit controller correspond one to one, and the heating floor adopts a graphene heating film;

[0008] The unit controllers, the heated floor, and the main controller are connected to the power source.

[0009] In an illustrative embodiment of the present invention, the main controller is connected to the unit controller and the temperature protector via a signal line;

[0010] The power supply is connected to the main controller via a DC24V line;

[0011] The power supply is connected to the unit controller and the heated floor through a DC110V line.

[0012] The present invention also provides a rail vehicle air conditioning control method, which is used in the rail vehicle air conditioning control system described above, and comprises the following steps:

[0013] Step 101: The main controller receives a temperature signal and transmits the temperature signal to the heating floor;

[0014] Step 102: the heating floor performs a system self-check. If the self-check passes, step 103 is executed;

[0015] Step 103: the heating floor performs communication judgment, if the judgment is normal, execute step 104;

[0016] Step 104: Read the temperature signal, determine and select the heating power, and perform operation monitoring. If the monitoring is normal, execute step 105.

[0017] Step 105: Start heating according to the selected heating power.

[0018] In an exemplary embodiment of the present invention, step 102 further includes, if the self-check fails, executing the following steps:

[0019] Step 1021: determine the fault location;

[0020] Step 1022: Display fault;

[0021] Step 1023: Determine whether the fault is eliminated, if so, execute step 102, otherwise, stop heating.

[0022] In an exemplary embodiment of the present invention, the step 103 further includes, if the judgment is abnormal, executing the following steps:

[0023] Step 1031: receiving a wire control signal of an air conditioning unit;

[0024] Step 1032: Select heating power according to the wire control signal;

[0025] Step 1033: Run monitoring, if the monitoring is normal, execute step 1034, otherwise, stop heating;

[0026] Step 1034: Start heating according to the selected power.

[0027] In an exemplary embodiment of the present invention, the operation monitoring in step 104 further includes:

[0028] Step 1041: determine the fault type. If it is a primary fault, execute step 1042a; if it is a secondary fault, execute step 1042b; if it is a leakage fault, execute step 1042c; if it is a puncture fault, execute step 1042d;

[0029] Step 1042a: Start the first-level temperature control protection, reduce the heating power of the corresponding circuit, and automatically recover when the temperature drops;

[0030] Step 1042b: Start the secondary temperature control protection, disconnect the power supply of the single floor heating and display the fault, troubleshoot the fault, and execute step 1043;

[0031] Step 1042c: disconnect the power supply of the leakage circuit and display the fault, troubleshoot the fault, and execute step 1043;

[0032] Step 1042d: disconnect the piercing circuit power supply and display a fault, troubleshoot, and execute step 1043;

[0033] Step 1043: Manual reset.

[0034] The present invention also provides a rail vehicle air conditioning control device, comprising:

[0035] A receiving unit, used for the main controller to receive the temperature signal and transmit the temperature signal to the heating floor;

[0036] A self-checking unit, used for the heating floor to perform a system self-check, and if the self-check passes, the communication unit is executed;

[0037] A communication unit, used for the heating floor to make a communication judgment, and if the judgment is normal, execute the monitoring unit;

[0038] The monitoring unit is used to read the temperature signal, determine the selected heating power, and perform operation monitoring. If the monitoring is normal, the heating unit is executed;

[0039] The heating unit starts heating according to the selected heating power.

[0040] In an illustrative embodiment of the present invention, the self-test unit further comprises:

[0041] The first self-test subunit: determines the fault location;

[0042] The second self-test subunit: displays faults;

[0043] The second self-check subunit: determines whether the fault is eliminated, if so, executes the self-check unit, otherwise, stops heating.

[0044] In an exemplary embodiment of the present invention, the communication unit further includes:

[0045] The first communication subunit receives the wire control signal of the air conditioner unit;

[0046] The second communication subunit: selects heating power according to the wire control signal;

[0047] The third communication subunit: runs monitoring, if the monitoring is normal, executes the heating subunit, otherwise, stops heating;

[0048] The fourth communication subunit: starts heating according to the selected power.

[0049] In an exemplary embodiment of the present invention, the monitoring unit further includes:

[0050] The first monitoring subunit: determines the fault type. If it is a primary fault, the second monitoring subunit is executed; if it is a secondary fault, the third monitoring subunit is executed; if it is a leakage fault, the fourth monitoring subunit is executed; if it is a puncture fault, the fifth monitoring subunit is executed;

[0051] Second monitoring subunit: Start the first-level temperature control protection, reduce the heating power of the corresponding circuit, and automatically recover when the temperature drops;

[0052] The third monitoring subunit: start the secondary temperature control protection, disconnect the single floor heating power supply and display the fault, troubleshoot the fault, and execute the sixth monitoring subunit;

[0053] The fourth monitoring subunit: disconnects the power supply of the leakage circuit and displays the fault, troubleshoots the fault, and executes the sixth monitoring subunit;

[0054] The fifth monitoring subunit: disconnect the piercing circuit power supply and display the fault, troubleshoot the fault, and execute the sixth monitoring subunit;

[0055] The sixth monitoring subunit: manual reset.

[0056] Compared with the prior art, the present invention has the following beneficial effects:

[0057] The present invention provides a rail vehicle air-conditioning control system, method and device. Firstly, a heated floor is added. The heated floor and the air conditioner work together to heat up quickly and have good temperature uniformity, thereby avoiding the problem of too low floor surface temperature in winter. At the same time, the heat flow form in the car is changed, so that the temperature uniformity of the air in the entire car is better; secondly, the heated floor shares part of the work of the air conditioner, the heat load requirement of the air-conditioning system is reduced, the circulating air volume in the car is reduced, the wind speed is reduced, the corresponding wind noise is reduced, and the comfort of passengers is improved; finally, according to the different heating powers required in different areas of the car, the heated floor can be controlled in a branch way, the heated floor is started and stopped according to the signal input by the air conditioner, and the heating power is adjusted in real time according to the signal input by the air conditioner. BRIEF DESCRIPTION OF THE DRAWINGS

[0058] Figure 1 A schematic diagram of the structure of a rail vehicle air conditioning control system provided by the present invention;

[0059] Figure 2A flow chart of a rail vehicle air conditioning control method provided by the present invention;

[0060] Figure 3 A flow chart of a rail vehicle air conditioning control method provided by the present invention;

[0061] Figure 4 A flow chart of a rail vehicle air conditioning control method provided by the present invention;

[0062] Figure 5 A flow chart of a rail vehicle air conditioning control method provided by the present invention;

[0063] Figure 6 A flowchart of operation monitoring provided by an embodiment of the present invention;

[0064] Figure 7 A schematic structural diagram of a rail vehicle air conditioning control device provided by an embodiment of the present invention;

[0065] Figure 8 A schematic structural diagram of a self-check unit of a rail vehicle air conditioning control device provided by an embodiment of the present invention;

[0066] Fig. 9 A schematic diagram of the structure of a communication unit of a rail vehicle air conditioning control device provided by an embodiment of the present invention;

[0067] Fig.10 A schematic structural diagram of a monitoring unit of a rail vehicle air conditioning control device provided by an embodiment of the present invention.

[0068] Reference numerals

[0069] 1——power supply, 2——main controller;

[0070] 3 – unit controller, 4 – heated floor;

[0071] 5——Temperature protector. DETAILED DESCRIPTION

[0072] The specific implementation methods of the present invention are described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0073] In this document, “upper”, “lower”, “front”, “back”, “left”, “right”, etc. are only used to indicate the positional relationship between relative parts, rather than to limit the absolute positions of these related parts.

[0074] To solve the above problems, see Figure 1, an embodiment of the present invention provides a rail vehicle air conditioning control system, comprising: a power supply 1, a main controller 2 unit, a controller 3, a heating floor 4 and a temperature protector 5;

[0075] A unit controller 3 is provided between the main controller 2 and the temperature protector 5;

[0076] The temperature protector 5 is arranged inside the heating floor 4;

[0077] The heating floor 4 and the temperature protector 5 correspond to the unit controller 3 one by one, and the heating floor 4 adopts a graphene heating film;

[0078] The unit controller 3 , the heating floor 4 and the main controller 2 are connected to the power supply 1 .

[0079] In this embodiment, the main controller 2 is connected to the unit controller 3 and the temperature protector 5 via a signal line;

[0080] The power supply 1 is connected to the main controller 2 via a DC24V line;

[0081] The power supply 1 is connected to the unit controller 3 and the heating floor 4 via a DC 110V line.

[0082] Figures 2 to 6 The present invention provides an overall flow chart and a partial flow chart of a rail vehicle air conditioning control method. Figures 2 to 6 A rail vehicle air conditioning control method provided by an embodiment of the present invention is described.

[0083] Figure 3 A flow chart of a rail vehicle air conditioning control method provided by an embodiment of the present invention, combined with Figure 2 A rail vehicle air conditioning control method provided by an embodiment of the present invention comprises the following steps:

[0084] Step 101: The main controller receives a temperature signal and transmits the temperature signal to the heating floor;

[0085] Step 102: the heating floor performs a system self-check. If the self-check passes, step 103 is executed;

[0086] Step 103: the heating floor performs communication judgment, if the judgment is normal, execute step 104;

[0087] Step 104: Read the temperature signal, determine and select the heating power, and perform operation monitoring. If the monitoring is normal, execute step 105.

[0088] Step 105: Start heating according to the selected heating power.

[0089] See also Figure 4 In this embodiment, the step 102 further includes, if the self-check fails, executing the following steps:

[0090] Step 1021: determine the fault location;

[0091] Step 1022: Display fault;

[0092] Step 1023: Determine whether the fault is eliminated, if so, execute step 102, otherwise, stop heating.

[0093] See also Figure 5 In this embodiment, the step 103 further includes, if the judgment is abnormal, executing the following steps:

[0094] Step 1031: receiving a wire control signal of an air conditioning unit;

[0095] Step 1032: Select heating power according to the wire control signal;

[0096] Step 1033: Run monitoring, if the monitoring is normal, execute step 1034, otherwise, stop heating;

[0097] Step 1034: Start heating according to the selected power.

[0098] Figure 6 This is a flowchart of operation monitoring provided by an embodiment of the present invention. In this embodiment, the operation monitoring in step 104 also includes:

[0099] Step 1041: determine the fault type. If it is a primary fault, execute step 1042a; if it is a secondary fault, execute step 1042b; if it is a leakage fault, execute step 1042c; if it is a puncture fault, execute step 1042d;

[0100] Step 1042a: Start the first-level temperature control protection, reduce the heating power of the corresponding circuit, and automatically recover when the temperature drops;

[0101] Step 1042b: Start the secondary temperature control protection, disconnect the power supply of the single floor heating and display the fault, troubleshoot the fault, and execute step 1043;

[0102] Step 1042c: disconnect the power supply of the leakage circuit and display the fault, troubleshoot the fault, and execute step 1043;

[0103] Step 1042d: disconnect the piercing circuit power supply and display a fault, troubleshoot, and execute step 1043;

[0104] Step 1043: Manual reset.

[0105] like Figure 7A schematic diagram of the structure of a rail vehicle air conditioning control device provided by an embodiment of the present invention, as shown in the figure, the rail vehicle air conditioning control system control device includes:

[0106] A receiving unit, used for the main controller to receive the temperature signal and transmit the temperature signal to the heating floor;

[0107] A self-checking unit, used for the heating floor to perform a system self-check, and if the self-check passes, the communication unit is executed;

[0108] A communication unit, used for the heating floor to make a communication judgment, and if the judgment is normal, execute the monitoring unit;

[0109] The monitoring unit is used to read the temperature signal, determine the selected heating power, and perform operation monitoring. If the monitoring is normal, the heating unit is executed;

[0110] The heating unit starts heating according to the selected heating power.

[0111] Figure 8 A schematic diagram of a self-check unit of a rail vehicle air conditioning control device according to an embodiment of the present invention is shown in FIG. Figure 8 As shown, in this embodiment, the self-checking unit further includes:

[0112] The first self-test subunit: determines the fault location;

[0113] The second self-test subunit: displays faults;

[0114] The second self-check subunit: determines whether the fault is eliminated, if so, executes the self-check unit, otherwise, stops heating.

[0115] Fig. 9 A schematic diagram of a communication unit of a rail vehicle air conditioning control device according to an embodiment of the present invention is shown in FIG. Fig. 9 As shown, in this embodiment, the communication unit further includes:

[0116] The first communication subunit receives the wire control signal of the air conditioner unit;

[0117] The second communication subunit: selects heating power according to the wire control signal;

[0118] The third communication subunit: runs monitoring, if the monitoring is normal, executes the heating subunit, otherwise, stops heating;

[0119] The fourth communication subunit: starts heating according to the selected power.

[0120] Fig.10 A schematic diagram of a monitoring unit for a rail vehicle air conditioning control device according to an embodiment of the present invention is shown in FIG. Fig.10As shown, in this embodiment, the monitoring unit further includes:

[0121] The first monitoring subunit: determines the fault type. If it is a primary fault, the second monitoring subunit is executed; if it is a secondary fault, the third monitoring subunit is executed; if it is a leakage fault, the fourth monitoring subunit is executed; if it is a puncture fault, the fifth monitoring subunit is executed;

[0122] Second monitoring subunit: Start the first-level temperature control protection, reduce the heating power of the corresponding circuit, and automatically recover when the temperature drops;

[0123] The third monitoring subunit: start the secondary temperature control protection, disconnect the single floor heating power supply and display the fault, troubleshoot the fault, and execute the sixth monitoring subunit;

[0124] The fourth monitoring subunit: disconnects the power supply of the leakage circuit and displays the fault, troubleshoots the fault, and executes the sixth monitoring subunit;

[0125] The fifth monitoring subunit: disconnect the piercing circuit power supply and display the fault, troubleshoot the fault, and execute the sixth monitoring subunit;

[0126] The sixth monitoring subunit: manual reset.

[0127] The present invention provides a rail vehicle air-conditioning control system, method and device. Firstly, a heated floor is added. The heated floor and the air conditioner work together to heat up quickly and have good temperature uniformity, thereby avoiding the problem of too low floor surface temperature in winter. At the same time, the heat flow form in the car is changed, so that the temperature uniformity of the air in the entire car is better; secondly, the heated floor shares part of the work of the air conditioner, the heat load requirement of the air-conditioning system is reduced, the circulating air volume in the car is reduced, the wind speed is reduced, the corresponding wind noise is reduced, and the comfort of passengers is improved; finally, according to the different heating powers required in different areas of the car, the heated floor can be controlled in a branch way, the heated floor is started and stopped according to the signal input by the air conditioner, and the heating power is adjusted in real time according to the signal input by the air conditioner.

[0128] The preferred specific implementation modes and embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above implementation modes and embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the concept of the present invention.

Claims

1. A rail vehicle air conditioning control method, characterized in that: The rail vehicle air conditioning control system comprises: a power supply (1), a main controller (2), a unit controller (3), a heating floor (4) and a temperature protector (5); A unit controller (3) is provided between the main controller (2) and the temperature protector (5); The temperature protector (5) is arranged inside the heating floor (4); The heating floor (4), the temperature protector (5) and the unit controller (3) correspond one to one, and the heating floor (4) adopts a graphene heating film; The unit controller (3), the heated floor (4) and the main controller (2) are connected to the power supply (1); The main controller (2) is connected to the unit controller (3) and the temperature protector (5) via a signal line; The power supply (1) is connected to the main controller (2) via a DC24V line; The power supply (1) is connected to the unit controller (3) and the heating floor (4) via a DC110V line; The rail vehicle air conditioning control method comprises the following steps: Step 101: The main controller receives a temperature signal and transmits the temperature signal to the heating floor; Step 102: the heating floor performs a system self-check. If the self-check passes, step 103 is executed; If the self-test fails, perform the following steps: Step 1021: determine the fault location; Step 1022: Display fault; Step 1023: Determine whether the fault is eliminated, if so, execute step 102, otherwise, stop heating; Step 103: the heating floor performs communication judgment, if the judgment is normal, execute step 104; If it is judged to be abnormal, perform the following steps: Step 1031: The heated floor and the air conditioning unit work together to increase the temperature quickly and achieve good temperature uniformity, thereby avoiding the problem of the floor surface temperature being too low in winter, and receiving the wire control signal of the air conditioning unit; Step 1032: Select heating power according to the wire control signal; Step 1033: Run monitoring, if the monitoring is normal, execute step 1034, otherwise, stop heating; Step 1034: Start heating according to the selected power; Step 104: read the temperature signal, determine and select the heating power, and perform operation monitoring. If the monitoring is normal, execute step 105; If monitoring is abnormal, perform the following steps: Step 1041: determine the fault type. If it is a primary fault, execute step 1042a; if it is a secondary fault, execute step 1042b; if it is a leakage fault, execute step 1042c; if it is a puncture fault, execute step 1042d; Step 1042a: Start the first-level temperature control protection, reduce the heating power of the corresponding circuit, and automatically recover when the temperature drops; Step 1042b: Start the secondary temperature control protection, disconnect the power supply of the single floor heating and display the fault, troubleshoot the fault, and execute step 1043; Step 1042c: disconnect the power supply of the leakage circuit and display the fault, troubleshoot the fault, and execute step 1043; Step 1042d: disconnect the piercing circuit power supply and display a fault, troubleshoot, and execute step 1043; Step 1043: Manual reset; Step 105: Start heating according to the selected heating power.

2. A rail vehicle air conditioning control device, characterized in that: The rail vehicle air conditioning control device is a control device for a rail vehicle air conditioning control system; The rail vehicle air conditioning control system comprises: a power supply (1), a main controller (2), a unit controller (3), a heating floor (4) and a temperature protector (5); A unit controller (3) is provided between the main controller (2) and the temperature protector (5); The temperature protector (5) is arranged inside the heating floor (4); The heating floor (4), the temperature protector (5) and the unit controller (3) correspond one to one, and the heating floor (4) adopts a graphene heating film; The unit controller (3), the heated floor (4) and the main controller (2) are connected to the power supply (1); The main controller (2) is connected to the unit controller (3) and the temperature protector (5) via a signal line; The power supply (1) is connected to the main controller (2) via a DC24V line; The power supply (1) is connected to the unit controller (3) and the heating floor (4) via a DC110V line; The rail vehicle air conditioning control device comprises: A receiving unit, used for the main controller to receive the temperature signal and transmit the temperature signal to the heating floor; A self-checking unit, used for the heating floor to perform a system self-check, and if the self-check passes, the communication unit is executed; The self-test unit comprises: The first self-test subunit: determines the fault location; The second self-test subunit: displays faults; The second self-check subunit: determines whether the fault is eliminated, if so, executes the self-check unit, otherwise, stops heating; A communication unit, used for the heating floor to make a communication judgment, and if the judgment is normal, execute the monitoring unit; The communication unit comprises: The first communication subunit receives the wire control signal of the air conditioner unit; The second communication subunit: selects heating power according to the wire control signal; The third communication subunit: runs monitoring, if the monitoring is normal, executes the heating subunit, otherwise, stops heating; Fourth communication subunit: starting heating according to the selected power; The monitoring unit is used to read the temperature signal, determine the selected heating power, and perform operation monitoring. If the monitoring is normal, the heating unit is executed; The monitoring unit comprises: The first monitoring subunit: determines the fault type. If it is a primary fault, the second monitoring subunit is executed; if it is a secondary fault, the third monitoring subunit is executed; if it is a leakage fault, the fourth monitoring subunit is executed; if it is a puncture fault, the fifth monitoring subunit is executed; The second monitoring subunit: starts the first-level temperature control protection, reduces the heating power of the corresponding circuit, and automatically recovers when the temperature drops; The third monitoring subunit: start the secondary temperature control protection, disconnect the single floor heating power supply and display the fault, troubleshoot the fault, and execute the sixth monitoring subunit; The fourth monitoring subunit: disconnects the power supply of the leakage circuit and displays the fault, troubleshoots the fault, and executes the sixth monitoring subunit; The fifth monitoring subunit: disconnect the piercing circuit power supply and display the fault, troubleshoot the fault, and execute the sixth monitoring subunit; The sixth monitoring subunit: manual reset; The heating unit starts heating according to the selected heating power.

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