CN112009512A - Environment regulation control device and method for passenger room of urban rail vehicle - Google Patents
Environment regulation control device and method for passenger room of urban rail vehicle Download PDFInfo
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- CN112009512A CN112009512A CN202010902678.4A CN202010902678A CN112009512A CN 112009512 A CN112009512 A CN 112009512A CN 202010902678 A CN202010902678 A CN 202010902678A CN 112009512 A CN112009512 A CN 112009512A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/0018—Air-conditioning means, i.e. combining at least two of the following ways of treating or supplying air, namely heating, cooling or ventilating
Abstract
The invention provides an environment regulation control device of urban rail vehicle passenger room, which is used for controlling the work of environment regulation equipment, and comprises: the system comprises a communication module, and a DC power module, an inversion module, an information acquisition module and an environment regulation control module which are connected through the communication module; the DC power module is also electrically connected with a direct-current high-voltage power supply, a storage battery power supply and the inverter module; the inversion module is electrically connected with the environment adjusting equipment; the environment regulation control module is also electrically connected with the storage battery power supply and is also connected with an urban rail vehicle main control module through the communication module; the information acquisition module is also electrically connected with the storage battery power supply and the environment adjusting equipment. The invention realizes the centralized control of the environment adjusting equipment, reduces the space occupation of urban rail vehicle passenger rooms and the power supply conversion times of the environment adjusting equipment, improves the integration level and the power supply efficiency of the device and reduces the production cost.
Description
Technical Field
The invention relates to the technical field of auxiliary power supply, in particular to an environment adjusting and controlling device and a control method for passenger rooms of urban rail vehicles.
Background
The environment regulation control device of the urban rail vehicle passenger room realizes the regulation of the air temperature and the humidity in the passenger room by controlling the environment regulation equipment, and comprises the steps of cooling or heating the air, introducing fresh air and discharging waste gas.
At present, in terms of the prior art, an environment regulation control device of a passenger room of an urban rail vehicle mainly comprises an auxiliary power supply box, an emergency ventilation power supply box, an environment regulation control cabinet and environment regulation equipment, wherein an auxiliary power supply system generates an AC380V power supply to the environment regulation control cabinet, and the environment regulation control cabinet controls the environment regulation equipment to work; and when the emergency ventilation is carried out, the emergency ventilation power supply system generates power supply to supply the power supply to the environment adjusting control cabinet, and the environment adjusting control cabinet controls the environment adjusting equipment to work.
The control of the auxiliary power supply, the emergency ventilation power supply and the environment adjusting equipment are independently separated, the work of the auxiliary power supply, the emergency ventilation power supply and the environment adjusting equipment is controlled by respective control systems, the control mode not only occupies the space of a passenger room of an urban rail vehicle, but also needs to convert high-voltage direct current into high-voltage alternating current, direct current and variable-frequency alternating current in sequence when the control mode is applied to variable-frequency air conditioners, the power supply conversion times are multiple, and the power supply efficiency is reduced.
Disclosure of Invention
In order to solve the technical problems of more equipment, large occupied space of urban rail vehicle passenger rooms and low power supply efficiency of the environmental regulation control device in the prior art, the invention provides the environmental regulation control device of the urban rail vehicle passenger rooms, which integrates a power supply conversion module and a control module into one device, realizes the centralized control of the environmental regulation equipment, reduces the occupied space of the urban rail vehicle passenger rooms and the times of power supply conversion, improves the integration level and the power supply efficiency of the device, and reduces the production cost.
The invention provides an environment regulation control device of a passenger room of an urban rail vehicle, which is used for controlling the work of environment regulation equipment, and comprises: the system comprises a communication module, and a DC power module, an inversion module, an information acquisition module and an environment regulation control module which are connected through the communication module;
the DC power module is also electrically connected with a direct-current high-voltage power supply, a storage battery power supply and the inverter module; the inversion module is also electrically connected with the environment adjusting equipment; the environment regulation control module is also electrically connected with the storage battery power supply and the environment regulation equipment and is also connected with a main control module of the urban rail vehicle through the communication module; the information acquisition module is also electrically connected with the storage battery power supply and the environment adjusting equipment.
Further, the DC power module includes: a DC-DC voltage reduction unit and a DC-DC voltage boosting unit;
the DC-DC voltage reduction unit is respectively electrically connected with the inversion module and the direct-current high-voltage power supply and is also connected with the information acquisition module and the environment regulation control module through the communication module;
the DC-DC boosting unit is respectively electrically connected with the inversion module and the storage battery power supply and is also connected with the information acquisition module and the environment regulation control module through the communication module.
Further, the environmental regulation control module includes:
the environment adjusting main control unit is connected with the voltage reducing control unit, the voltage increasing control unit, the inversion control unit and the environment adjusting equipment control unit through the communication module;
the environment adjusting main control unit, the voltage reducing control unit, the voltage boosting control unit, the inversion control unit and the environment adjusting equipment control unit are all electrically connected with the storage battery power supply;
the environment adjusting main control unit is also connected with the information acquisition module and the urban rail vehicle main control module through the communication module; the voltage reduction control unit is connected with the DC-DC voltage reduction unit through the communication module; the boost control unit is connected with the DC-DC boost unit through the communication module; the inversion control unit is connected with the inversion module through the communication module; the environment adjusting device control unit is electrically connected with the environment adjusting device.
Furthermore, the number of the inversion modules is multiple, the number of the inversion control units is multiple, and the number of the inversion modules is equal to the number of the inversion control units;
the plurality of inversion modules are electrically connected with the DC-DC voltage reduction unit and the information acquisition module through the communication module, one inversion module is electrically connected with the DC-DC voltage boosting unit, the plurality of inversion control units are connected with the environment regulation main control unit through the communication module, each inversion control unit is connected with each inversion module through the communication module, and each inversion module is electrically connected with the environment regulation equipment.
Further, the environment adjusting apparatus includes:
the compressor, the preheater and the electric heater are electrically connected with the first inversion module through a contactor;
the condensation fan is electrically connected with the second inversion module through a contactor;
the ventilator and the exhaust fan are electrically connected with the third inversion module through a contactor;
a fresh air valve, a four-way valve and an electronic expansion valve;
the first inversion module, the second inversion module and the third inversion module are electrically connected with the DC-DC voltage reduction unit, and the third inversion module is also electrically connected with the DC-DC voltage boosting unit; the compressor, the preheater, the electric heater, the condensing fan, the ventilator, the exhaust fan, the fresh air valve, the four-way valve and the electronic expansion valve are all electrically connected with the environment adjusting device control unit and the information acquisition module.
Further, a protection module is electrically connected between the DC power module and the direct-current high-voltage power supply.
The invention also provides an environment regulation control method of the urban rail vehicle passenger room, which comprises the following steps:
s1: judging the operation mode of the environment adjusting equipment according to a control command of a main control module of the urban rail vehicle, wherein the operation mode comprises a non-emergency ventilation mode and an emergency ventilation mode;
s2: when the non-emergency ventilation mode is started by the environment adjusting equipment, the DC-DC boosting unit is controlled to stop working, state information of the DC-DC voltage reducing unit, the first inversion module, the second inversion module and the third inversion module and passenger room environment information are collected, and the DC-DC voltage reducing unit, the first inversion module, the second inversion module, the third inversion module and the environment adjusting equipment are controlled to work according to the state information and the passenger room environment information;
s3: when the environmental conditioning equipment starts the emergency ventilation mode, controlling the DC-DC voltage reduction unit, the first inversion module and the second inversion module to stop working, acquiring state information of the DC-DC voltage increase unit and the third inversion module, and if the DC-DC voltage increase unit and/or the third inversion module have faults, returning to execute S1; and if the DC-DC boosting unit and the third inversion module are normal, controlling the DC-DC boosting unit, the third inversion module and the environment adjusting equipment to work, and returning to execute S1.
Further, the non-emergency ventilation mode includes: a ventilation mode, a cooling mode, and a heating mode.
Further, the step S2 specifically includes:
when the environment adjusting equipment starts a ventilation mode, controlling the DC-DC voltage boosting unit to stop working, controlling the fresh air valve to work, acquiring state information of the DC-DC voltage reducing unit and the third inversion module, and returning to execute S1 if the DC-DC voltage reducing unit fails and/or the third inversion module fails; if the DC-DC voltage reduction unit and the third inversion module are normal, controlling the DC-DC voltage reduction unit, the third inversion module, the ventilator and the exhaust fan to work;
according to a control command of a main control module of the urban rail vehicle and the environmental information of a passenger room, the environmental conditioning equipment starts a refrigeration mode or a heating mode;
when the environment adjusting equipment starts a refrigerating mode or a heating mode, the four-way valve and the electronic expansion valve are controlled to work, state information of the DC-DC voltage reduction unit, the first inversion module, the second inversion module and the third inversion module is collected, and the DC-DC voltage reduction unit, the first inversion module, the second inversion module, the third inversion module, the compressor, the preheater, the electric heater, the ventilator, the exhaust fan and the condensing fan are controlled to work according to the state information of the DC-DC voltage reduction unit, the first inversion module, the second inversion module and the third inversion module.
Further, the step S2, in which the environment adjusting device activates the ventilation mode, further includes the steps of:
collecting a first input voltage value of the DC-DC voltage reduction unit, and judging whether the first input voltage value is within a first preset range;
if yes, controlling the DC-DC voltage reduction unit, the third inversion module, the ventilator, the fresh air valve and the exhaust fan to work according to the state information of the DC-DC voltage reduction unit and the third inversion module; if not, the process returns to step S1.
Further, the step S2, in which the environment adjusting device activates the cooling mode, includes the steps of:
starting a ventilation mode, controlling the four-way valve to stop working, controlling the electronic expansion valve to work, acquiring state information of the second inversion module, controlling the second inversion module and the first inversion module to stop working if the second inversion module fails, and returning to execute S1; if the second inversion module is normal, the second inversion module and the condensing fan are controlled to work;
acquiring state information of the first inversion module, and controlling the first inversion module to stop working if the first inversion module fails; if the first inversion module is normal, the first inversion module and the compressor are controlled to work, and the preheater and the electric heater are controlled to stop working.
Further, the step S2, where the environment adjusting device enables the heating mode, includes the following steps:
when the compressor heat pump is used for heating, a ventilation mode is started, the four-way valve and the electronic expansion valve are controlled to work, state information of the second inversion module is collected, if the second inversion module fails, the second inversion module and the first inversion module are controlled to stop working, and the operation returns to the step S1; if the second inversion module is normal, the second inversion module and the condensing fan are controlled to work;
acquiring state information of the first inversion module, and controlling the first inversion module to stop working if the first inversion module fails; if the first inversion module is normal, controlling the first inversion module and the compressor to work, and controlling the preheater and the electric heater to stop working;
when the electric heater heats, starting a ventilation mode and controlling the second inverter module to stop working;
acquiring state information of the first inversion module, and controlling the first inversion module to stop working if the first inversion module fails; if the first inversion module is normal, the first inversion module, the preheater and the electric heater are controlled to work, and the compressor is controlled to stop working.
Further, in the step S3, before collecting the state information of the DC-DC boost unit and the third inverter module, the method further includes:
acquiring a second input voltage value of the DC-DC boosting unit, and judging whether the second input voltage value is within a second preset range;
if yes, controlling the DC-DC boosting unit, the third inversion module, the ventilator and the exhaust fan to work according to the state information of the DC-DC boosting unit and the third inversion module; and if not, controlling the DC-DC boosting unit and the third inversion module to stop working, and returning to execute S1.
Further, before the step of S1, the method further includes:
s0: judging whether a maintenance terminal is connected or not;
if so, controlling the environment adjusting equipment to start an overhaul mode according to the priorities of the overhaul terminal and the main control module of the urban rail vehicle, controlling the DC-DC voltage reduction unit, the DC-DC voltage boosting unit, the inversion module and the environment adjusting equipment to work according to the received overhaul instruction and parameter setting instruction, and sending the collected data information of the DC-DC voltage reduction unit, the DC-DC voltage boosting unit, the inversion module and the environment adjusting equipment to the overhaul terminal;
if not, return to execute S1-S3.
Further, the service instructions include: the system comprises an operation mode maintenance instruction, a single module operation maintenance instruction and a state inquiry maintenance instruction.
The invention has the technical effects or advantages that:
(1) the environment regulation control device for the urban rail vehicle passenger room integrates the power supply conversion and control module into one device, realizes the centralized control of the environment regulation equipment, reduces the space occupation and the power supply conversion times of the urban rail vehicle passenger room, improves the integration level and the power supply efficiency of the device, and reduces the production cost.
(2) The environment regulation control device for the passenger room of the urban rail vehicle can be applied to constant-speed air conditioning equipment and variable-frequency air conditioning equipment, and has high compatibility and universality.
(3) The method for controlling the environment regulation of the urban rail vehicle passenger room can realize the centralized control of the power supply and the environment regulation equipment, improve the system integration level, reduce the equipment nodes of the urban rail vehicle network, reduce the communication burden of the urban rail vehicle network and reduce the production cost.
(4) The method for controlling the environment regulation of the passenger room of the urban rail vehicle can intensively and once overhaul the electrical equipment related to the environment regulation equipment, and improves the overhaul efficiency.
Drawings
FIG. 1 is an electrical schematic diagram of an environmental conditioning control system for passenger compartments of an urban rail vehicle according to an embodiment of the present invention;
FIG. 2 is a schematic communication structure diagram of an environmental conditioning control system for passenger rooms of urban rail vehicles according to an embodiment of the present invention;
fig. 3 is a flowchart of an environmental regulation control method for passenger rooms of urban rail vehicles according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to solve the technical problems of more equipment, large occupied space of urban rail vehicle passenger rooms and low power supply efficiency of the environmental regulation control device in the prior art, the invention provides the environmental regulation control device of the urban rail vehicle passenger rooms, which integrates a power supply conversion module and a control module into one device, realizes the centralized control of the environmental regulation equipment, reduces the occupied space of the urban rail vehicle passenger rooms and the times of power supply conversion, improves the integration level and the power supply efficiency of the device, and reduces the production cost.
The technical solution of the present invention will be described in detail below with reference to the specific embodiments and the accompanying drawings.
Referring to fig. 1 to 2, an environment regulation and control device for urban rail vehicle passenger rooms according to an embodiment of the present invention includes a communication module, and a DC power module, an inverter module, an information acquisition module, and an environment regulation and control module connected through the communication module, where the communication module includes, but is not limited to, a CAN bus, an RS-485 bus, and an MVB bus. The information acquisition module is used for acquiring state information of each module/unit and the environment adjusting equipment and environment information of the passenger rooms of the urban rail vehicles, and the environment information of the passenger rooms mainly comprises temperature information, humidity information and the like of the passenger rooms of the urban rail vehicles. The DC power module is also electrically connected with the direct-current high-voltage power supply, the storage battery power supply and the inversion module; the environment regulation control module is also electrically connected with a storage battery power supply and environment regulation equipment; the information acquisition module is also electrically connected with the storage battery power supply and the environment adjusting equipment.
More specifically, the DC power module includes a DC-DC voltage step-down unit for receiving an output power of the direct-current high-voltage power supply and implementing various power conversions of the environmental conditioning apparatus, and a DC-DC voltage step-up unit. The DC-DC voltage reduction unit is respectively electrically connected with the inversion module and the direct-current high-voltage power supply and is also connected with the information acquisition module and the environment regulation control module through the communication module. The DC-DC boosting unit is respectively electrically connected with the inversion module and the storage battery power supply, is used for receiving an output power supply of the storage battery power supply, is matched with the inversion module to realize emergency power supply of the environment adjusting equipment, and is also connected with the information acquisition module and the environment adjusting control module through the communication module.
More specifically, the environment regulation control module comprises an environment regulation main control unit, and a voltage reduction control unit, a voltage boosting control unit, an inversion control unit and an environment regulation device control unit which are connected with the environment regulation main control unit through a communication module, wherein the environment regulation main control unit, the voltage reduction control unit, the voltage boosting control unit, the inversion control unit and the environment regulation device control unit are all electrically connected with the storage battery power supply. The environment main control unit is used for receiving a control command of the urban rail vehicle main control module and sending the control command to the voltage reduction control unit, the voltage boosting control unit, the inversion control unit and the environment regulation equipment control unit; the voltage reduction control unit is used for controlling the DC-DC voltage reduction unit; the boost control unit is used for controlling the DC-DC boost unit; the inversion control unit is used for controlling the inversion module; the environment adjusting device control unit is used for controlling the environment adjusting device. The environment adjusting main control unit is connected with the urban rail vehicle main control module and the information acquisition module through the communication module; the voltage reduction control unit is connected with the DC-DC voltage reduction unit through the communication module; the boost control unit is connected with the DC-DC boost unit through the communication module; the inversion control unit is connected with the inversion module through the communication module; the environment adjusting device control unit is electrically connected with the environment adjusting device.
More specifically, the contravariant module is a plurality of, contravariant the control unit is a plurality of, the quantity of contravariant module equals contravariant the control unit's quantity, a plurality of contravariant modules all are connected with DC-DC voltage reduction unit electricity through the contactor, still all be connected with information acquisition module through communication module, an contravariant module still is connected with DC-DC voltage reduction unit electricity through the contactor, a plurality of contravariant the control unit all is connected with environmental conditioning main control unit through communication module, every contravariant the control unit passes through communication module and is connected with every contravariant module, every contravariant module passes through the contactor and is connected with environmental conditioning equipment electricity.
More specifically, the environment adjusting apparatus includes a compressor, a preheater, and an electric heater electrically connected to the first inverter module through a contactor; the condensation fan is electrically connected with the second inversion module through a contactor; the ventilator and the exhaust fan are electrically connected with the third inversion module through the contactor; a fresh air valve, a four-way valve and an electronic expansion valve; the first inversion module, the second inversion module and the third inversion module are electrically connected with the DC-DC voltage reduction unit, the third inversion module is also electrically connected with the DC-DC voltage boosting unit, and the compressor, the preheater, the electric heater, the condensing fan, the ventilator, the exhaust fan, the fresh air valve, the four-way valve and the electronic expansion valve are electrically connected with the environment adjusting device control unit and the information acquisition module.
It should be noted that the output of the DC-DC voltage reduction unit and the output of the DC-DC voltage boost unit are electrically connected to the input of the third inverter module through the contactors, respectively, and the two contactors are interlocked and cannot be closed at the same time.
It is further noted that the number of contactors electrically connected to the inverter module is equal to the number of electrical components electrically connected to the inverter module. For example, the environment adjusting apparatus includes two compressors, two ventilators, two preheaters, two electric heaters, two condensing fans, and an exhaust fan, the environment adjusting control device includes two first inverter modules, one second inverter module, and one third inverter module, wherein one of the first inverter modules is electrically connected to one of the compressors, one of the preheaters, and one of the electric heaters through three contactors, and the other of the first inverter modules is also electrically connected to the other compressor, the other of the preheaters, and the other of the electric heaters through three contactors, one of the second inverter modules is electrically connected to the condensing fans through two contactors, and one of the third inverter modules is electrically connected to the ventilators and the exhaust fan through three contactors, respectively.
In order to ensure the safety and reliability of the environment regulation control device, a protection module is electrically connected between the DC power module and the direct-current high-voltage power supply.
The environment regulation control device of urban rail vehicle guest room that this embodiment provided concentrates on a device with power transform and control module, has realized the centralized control of environment regulation equipment, has reduced the space of urban rail vehicle guest room and has taken up and the power transform number of times, has improved device integration and power supply efficiency, has reduced manufacturing cost. The method can be applied to constant-speed air conditioning equipment and variable-frequency air conditioning equipment, and has high compatibility and universality.
The embodiment of the invention also provides an environment regulation control method for the passenger room of the urban rail vehicle, which comprises the following steps:
s0: judging whether a maintenance terminal is connected or not;
if so, controlling the environment adjusting equipment to start an overhaul mode according to the priorities of the overhaul terminal and the main control module of the urban rail vehicle, controlling the DC-DC voltage reduction unit, the DC-DC voltage boosting unit, the inversion module and the environment adjusting equipment to work according to the received overhaul instruction and parameter setting instruction, and sending the collected data information of the DC-DC voltage reduction unit, the DC-DC voltage boosting unit, the inversion module and the environment adjusting equipment to the overhaul terminal;
if not, S1-S3 are executed.
It should be noted that, the priority of the maintenance terminal is higher than that of the main control module of the urban rail vehicle, and the maintenance instruction includes: the system comprises an operation mode maintenance instruction, a single-module operation maintenance instruction and a state maintenance query instruction. The operation mode overhaul instruction comprises a ventilation mode overhaul instruction, an emergency ventilation mode overhaul instruction, a heat pump heating mode overhaul instruction, an electric heating mode overhaul instruction and a refrigeration mode overhaul instruction.
When the environment adjusting main control unit receives a ventilation mode maintenance instruction and a ventilator voltage frequency setting instruction, the voltage reduction control unit controls the DC-DC voltage reduction unit to work, the inversion control unit controls the third inversion module to work, and the environment adjusting device control unit controls the ventilator and the exhaust fan to work.
When the environment adjusting main control unit receives an emergency ventilation mode maintenance instruction and a ventilator voltage frequency setting instruction, the boosting control unit controls the DC-DC boosting unit to work, the inversion control unit connected with the third inversion module controls the third inversion module to work, and the environment adjusting device control unit controls the ventilator and the exhaust fan to work.
When the environment adjusting main control unit receives a heat pump heating mode maintenance instruction (comprising a compressor voltage frequency setting instruction, a ventilator voltage frequency setting instruction and a condensing fan voltage frequency setting instruction), the environment adjusting device control unit controls the opening and closing of a fresh air valve and the opening of an electronic expansion valve, the environment adjusting device control unit controls the four-way valve to work, the pressure reduction control unit controls the DC-DC pressure reduction unit to work, the inversion control unit connected with the third inversion module controls the third inversion module to work, the inversion control unit connected with the second inversion module controls the second inversion module to work, the inversion control unit connected with the first inversion module controls the first inversion module to work, and the environment adjusting device control unit controls the compressor, the ventilator and the condensing fan to work.
When the environment adjusting main control unit receives an electric heating mode maintenance instruction (including an electric heater voltage frequency setting instruction), the environment adjusting device control unit controls the opening and closing of the fresh air valve. The voltage reduction control unit controls the DC-DC voltage reduction unit to work, the inversion control unit connected with the third inversion module controls the third inversion module to work, the inversion control unit connected with the first inversion module controls the first inversion module to work, and the environment adjusting device control unit controls the preheater, the electric heater and the ventilator to work.
When the environment adjusting main control unit receives a refrigeration mode maintenance instruction (comprising a compressor voltage frequency setting instruction, a ventilator voltage frequency setting instruction and a condensing fan voltage frequency setting instruction), the environment adjusting device control unit controls the opening and closing of the fresh air valve and the opening of the electronic expansion valve. The environment adjusting device control unit controls the four-way valve to stop working, the voltage reducing control unit controls the DC-DC voltage reducing unit to work, the inversion control unit connected with the third inversion module controls the third inversion module to work, the inversion control unit connected with the first inversion module controls the first inversion module to work, the inversion control unit connected with the second inversion module controls the second inversion module to work, and the environment adjusting device control unit controls the compressor, the ventilator and the condensing fan to work.
It should be further noted that the single module operation overhaul instruction includes, but is not limited to, a start DC-DC voltage reduction unit overhaul instruction, a start DC-DC voltage reduction unit and first inverter module overhaul instruction, a start DC-DC voltage reduction unit and second inverter module overhaul instruction, a start DC-DC voltage boost unit overhaul instruction, and a start DC-DC voltage boost unit and third inverter module overhaul instruction.
S1: according to a control command of a main control module of the urban rail vehicle, an environment adjusting main control unit judges the operation mode of environment adjusting equipment, wherein the operation mode comprises a non-emergency ventilation mode and an emergency ventilation mode; wherein the non-emergency ventilation mode comprises: a ventilation mode, a cooling mode, and a heating mode.
It should be noted that, step S1 further includes that the environment adjusting main control unit receives a work instruction of the urban rail vehicle main control module, where the work instruction includes an operation instruction and a stop instruction, when the stop instruction is received, the step-down control unit controls the DC-DC step-down unit to stop working, the step-up control unit controls the DC-DC step-up unit to stop working, the inversion control unit controls the first inversion module, the second inversion module and the third inversion module to stop working, and disconnects the contactor electrically connected to the inversion modules, and when the operation instruction is received, the environment adjusting main control unit receives a control instruction of the urban rail vehicle main control module, and determines an operation mode of the environment adjusting device.
S2: when the environment adjusting equipment starts a non-emergency ventilation mode, the boost control unit controls the DC-DC boost unit to stop working, the information acquisition module acquires state information of the DC-DC buck unit and the first inversion module, the second inversion module and the third inversion module and guest room environment information, the buck control unit controls the DC-DC buck unit to work according to the state information and the guest room environment information, the inversion control unit controls the first inversion module, the second inversion module and the third inversion module to work, and the environment adjusting equipment control unit controls the environment adjusting equipment to work;
wherein, in the step of S2, specifically including:
when the environment adjusting device starts a ventilation mode, the boosting control unit controls the DC-DC boosting unit to stop working, the environment adjusting device control unit controls the fresh air valve to work, the information acquisition module acquires state information of the DC-DC voltage reducing unit and state information of the third inversion module, and if the DC-DC voltage reducing unit fails and/or the third inversion module fails, the operation returns to S1; if the DC-DC voltage reduction unit and the third inversion module are normal, the voltage reduction control unit controls the DC-DC voltage reduction unit to work, the inversion control unit controls the third inversion module to work, a contactor electrically connected with the ventilator and the exhaust fan is connected, an alternating current power supply of voltage and frequency required by the ventilator and the exhaust fan is output, and the environment adjusting equipment controls the ventilator and the exhaust fan to work;
according to a control command of a main control module of the urban rail vehicle and the environmental information of a passenger room, the environmental conditioning equipment starts a refrigeration mode or a heating mode;
when the environment adjusting device starts a refrigeration mode or a heating mode, the environment adjusting device control unit controls the four-way valve and the electronic expansion valve to work, the information acquisition module acquires state information of the DC-DC voltage reduction unit, the first inversion module, the second inversion module and the third inversion module, the voltage reduction control unit controls the DC-DC voltage reduction unit to work according to the state information of the DC-DC voltage reduction unit, the first inversion module, the second inversion module and the third inversion module, the inversion control unit controls the first inversion module, the second inversion module and the third inversion module to work, and the environment adjusting device control unit controls the compressor, the preheater, the electric heater, the ventilator, the exhaust fan and the condensing fan to work.
More specifically, to ensure normal power supply, the environmental conditioning apparatus activates the ventilation mode in step S2, and further includes the following steps:
the information acquisition unit acquires a first input voltage value of the DC-DC voltage reduction unit, and the environment regulation main control unit judges whether the first input voltage value is within a first preset range;
if yes, the voltage reduction control unit controls the DC-DC voltage reduction unit to work according to the state information of the DC-DC voltage reduction unit and the state information of the third inversion module, the inversion control unit controls the third inversion module to work, and the environment adjusting equipment control unit controls the ventilator and the exhaust fan to work; if not, the process returns to step S1.
More specifically, the step S2, in which the environment adjusting apparatus activates the cooling mode, includes the steps of:
starting a ventilation mode, controlling the four-way valve to stop working and controlling the electronic expansion valve to work by the environment adjusting device control unit, acquiring state information of the second inversion module by the information acquisition module, and controlling the second inversion module and the first inversion module to stop working by the inversion control unit if the second inversion module fails; if the second inversion module is normal, the inversion control unit controls the second inversion module to work, an alternating current power supply with voltage and frequency required by the condensing fan is output, a contactor connected with the condensing fan is connected, and the environment adjusting device control unit controls the condensing fan to work;
the information acquisition module acquires state information of the first inversion module, and if the first inversion module fails, the inversion control unit controls the first inversion module to stop working; if the first inversion module is normal, the inversion control unit controls the first inversion module to work, switches on a contactor electrically connected with the compressor, switches off the contactor electrically connected with the preheater and the electric heater, outputs an alternating current power supply required by the compressor, and controls the compressor to work and controls the preheater and the electric heater to stop working.
It should be noted that, if the refrigeration control method includes two first inverter modules, two compressors, two preheaters and two electric heaters, the other first inverter module, the compressors, the preheaters and the electric heaters are as described above.
More specifically, the step S2, in which the environment adjusting apparatus enables the heating mode, includes the steps of:
when the compressor heat pump is used for heating, a ventilation mode is started, the environment adjusting device control unit controls the four-way valve and the electronic expansion valve to work, the information acquisition module acquires state information of the second inversion module, and if the second inversion module fails, the inversion control unit controls the second inversion module and the first inversion module to stop working and returns to execute S1; if the second inversion module is normal, the inversion control unit controls the second inversion module to work, a contactor electrically connected with the condensing fan is switched on, alternating current with voltage and frequency required by the condensing fan is output, and the environment adjusting device control unit controls the condensing fan to work;
the information acquisition module acquires state information of the first inversion module, and if the first inversion module fails, the inversion control unit controls the first inversion module to stop working; if the first inversion module is normal, the inversion control unit controls the first inversion module to work, a contactor electrically connected with the compressor is switched on, the contactor electrically connected with the preheater and the electric heater is switched off, a power supply required by the compressor is output, and the environment adjusting device control unit controls the compressor to work and controls the preheater and the electric heater to stop working;
it should be noted that, if the compressor heat pump heating control method includes two first inverter modules, two compressors, two preheaters and two electric heaters, the other first inverter module, the compressor, the preheater and the electric heater are as described above.
When the electric heater is used for heating, a ventilation mode is started, and the inversion control unit controls the second inversion module to stop working;
the information acquisition module acquires state information of the first inversion module, and if the first inversion module fails, the inversion control unit controls the first inversion module to stop working; if the first inversion module is normal, the inversion control unit controls the first inversion module to work, a contactor electrically connected with the compressor is disconnected, the contactor connected with the preheater and the electric heater is connected, an alternating current power supply required by the preheater and the electric heater is output, and the environment adjusting device control unit controls the preheater and the electric heater to work and controls the compressor to stop working.
It should be noted that, if the two first inverter modules, the two compressors, the two preheaters and the two electric heaters are included, when the two first inverter modules are both normal, if the two first inverter modules are half-warm, the two first inverter modules alternately operate, and when the two first inverter modules are full-warm, the heating control method of the electric heaters of the other first inverter module, the compressors, the preheaters and the electric heaters is as described above.
S3: when the environmental conditioning equipment starts an emergency ventilation mode, the voltage reduction control unit controls the DC-DC voltage reduction unit to stop working, the inversion control unit controls the first inversion module and the second inversion module to stop working, and disconnects a contactor between the DC-DC voltage reduction unit and the third inversion module, the information acquisition module acquires state information of the DC-DC voltage reduction unit and the third inversion module, and if the DC-DC voltage reduction unit fails and/or the third inversion module fails, the information acquisition module returns to execute S1; if the DC-DC boosting unit and the third inversion module are normal, a contactor between the DC-DC boosting unit and the third inversion module, a contactor between the third inversion module and a contactor between the ventilator and the exhaust fan are connected, the boosting control unit controls the DC-DC boosting unit to work, the inversion control unit controls the third inversion module to work, an alternating current power supply with voltage and frequency required by the ventilator and the exhaust fan is output, the environment adjusting device control unit controls the ventilator and the exhaust fan to work, and the operation returns to the step S1.
In the step S3, before acquiring the state information of the DC-DC boost unit and the third inverter module, the method further includes:
the information acquisition module acquires a second input voltage value of the DC-DC boosting unit, and the environment regulation main control unit judges whether the second input voltage value is within a second preset range;
if yes, controlling the DC-DC boosting unit to work by the boosting control unit, controlling the third inversion module to work by the inversion control unit, and controlling the ventilator and the exhaust fan to work by the environment adjusting device control unit according to the state information of the DC-DC boosting unit and the third inversion module; if not, the boost control unit controls the DC-DC boost unit to stop working, the inversion control unit controls the third inversion module to stop working, and the step returns to execute S1.
The method for controlling the environment regulation of the urban rail vehicle passenger room provided by the embodiment of the invention can realize the centralized control of the power supply and the environment regulation equipment, improve the system integration level, reduce the equipment nodes of the urban rail vehicle network, reduce the communication burden of the urban rail vehicle network and reduce the production cost. The electric equipment related to the environment adjusting equipment can be overhauled in a centralized and one-time mode, and the overhauling efficiency is improved.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (15)
1. An environmental conditioning control device of a passenger room of an urban rail vehicle, for controlling an environmental conditioning apparatus to operate, characterized in that the environmental conditioning control device comprises: the system comprises a communication module, and a DC power module, an inversion module, an information acquisition module and an environment regulation control module which are connected through the communication module;
the DC power module is also electrically connected with a direct-current high-voltage power supply, a storage battery power supply and the inverter module; the inversion module is also electrically connected with the environment adjusting equipment; the environment regulation control module is also electrically connected with the storage battery power supply and the environment regulation equipment and is also connected with a main control module of the urban rail vehicle through the communication module; the information acquisition module is also electrically connected with the storage battery power supply and the environment adjusting equipment.
2. The environmental conditioning control apparatus for urban rail vehicle passenger compartments according to claim 1, wherein said DC power module comprises: a DC-DC voltage reduction unit and a DC-DC voltage boosting unit;
the DC-DC voltage reduction unit is respectively electrically connected with the inversion module and the direct-current high-voltage power supply and is also connected with the information acquisition module and the environment regulation control module through the communication module;
the DC-DC boosting unit is respectively electrically connected with the inversion module and the storage battery power supply and is also connected with the information acquisition module and the environment regulation control module through the communication module.
3. The environmental conditioning control apparatus for urban rail vehicle passenger compartments according to claim 2, wherein said environmental conditioning control module comprises:
the environment adjusting main control unit is connected with the voltage reducing control unit, the voltage increasing control unit, the inversion control unit and the environment adjusting equipment control unit through the communication module;
the environment adjusting main control unit, the voltage reducing control unit, the voltage boosting control unit, the inversion control unit and the environment adjusting equipment control unit are all electrically connected with the storage battery power supply;
the environment adjusting main control unit is also connected with the information acquisition module and the urban rail vehicle main control module through the communication module; the voltage reduction control unit is connected with the DC-DC voltage reduction unit through the communication module; the boost control unit is connected with the DC-DC boost unit through the communication module; the inversion control unit is connected with the inversion module through the communication module; the environment adjusting device control unit is electrically connected with the environment adjusting device.
4. The environmental conditioning control device for urban rail vehicle passenger compartments according to claim 3, wherein there are a plurality of said inverter modules, a plurality of said inverter control units, and the number of said inverter modules is equal to the number of said inverter control units;
the plurality of inversion modules are electrically connected with the DC-DC voltage reduction unit and the information acquisition module through the communication module, one inversion module is electrically connected with the DC-DC voltage boosting unit, the plurality of inversion control units are connected with the environment regulation main control unit through the communication module, each inversion control unit is connected with each inversion module through the communication module, and each inversion module is electrically connected with the environment regulation equipment.
5. The environmental conditioning control apparatus for urban rail vehicle passenger compartments according to claim 4, characterized in that the environmental conditioning device comprises:
the compressor, the preheater and the electric heater are electrically connected with the first inversion module through a contactor;
the condensation fan is electrically connected with the second inversion module through a contactor;
the ventilator and the exhaust fan are electrically connected with the third inversion module through a contactor;
a fresh air valve, a four-way valve and an electronic expansion valve;
the first inversion module, the second inversion module and the third inversion module are electrically connected with the DC-DC voltage reduction unit, and the third inversion module is also electrically connected with the DC-DC voltage boosting unit; the compressor, the preheater, the electric heater, the condensing fan, the ventilator, the exhaust fan, the fresh air valve, the four-way valve and the electronic expansion valve are all electrically connected with the environment adjusting device control unit and the information acquisition module.
6. The environmental conditioning control device for urban rail vehicle passenger compartments according to claim 1, characterized in that a protection module is electrically connected between the DC power module and the direct-current high-voltage power supply.
7. An environment regulation control method for passenger rooms of urban rail vehicles is characterized by comprising the following steps:
s1: judging the operation mode of the environment adjusting equipment according to a control command of a main control module of the urban rail vehicle, wherein the operation mode comprises a non-emergency ventilation mode and an emergency ventilation mode;
s2: when the non-emergency ventilation mode is started by the environment adjusting equipment, the DC-DC boosting unit is controlled to stop working, state information of the DC-DC voltage reducing unit, the first inversion module, the second inversion module and the third inversion module and passenger room environment information are collected, and the DC-DC voltage reducing unit, the first inversion module, the second inversion module, the third inversion module and the environment adjusting equipment are controlled to work according to the state information and the passenger room environment information;
s3: when the environmental conditioning equipment starts the emergency ventilation mode, controlling the DC-DC voltage reduction unit, the first inversion module and the second inversion module to stop working, acquiring state information of the DC-DC voltage increase unit and the third inversion module, and if the DC-DC voltage increase unit and/or the third inversion module have faults, returning to execute S1; and if the DC-DC boosting unit and the third inversion module are normal, controlling the DC-DC boosting unit, the third inversion module and the environment adjusting equipment to work, and returning to execute S1.
8. The method of claim 7, wherein the non-emergency ventilation mode comprises: a ventilation mode, a cooling mode, and a heating mode.
9. The method for controlling environmental conditioning of urban rail vehicle passenger compartments according to claim 8, wherein said step S2 specifically comprises:
when the environment adjusting equipment starts a ventilation mode, controlling the DC-DC voltage boosting unit to stop working, controlling the fresh air valve to work, acquiring state information of the DC-DC voltage reducing unit and the third inversion module, and returning to execute S1 if the DC-DC voltage reducing unit fails and/or the third inversion module fails; if the DC-DC voltage reduction unit and the third inversion module are normal, controlling the DC-DC voltage reduction unit, the third inversion module, the ventilator and the exhaust fan to work;
according to a control command of a main control module of the urban rail vehicle and the environmental information of a passenger room, the environmental conditioning equipment starts a refrigeration mode or a heating mode;
when the environment adjusting equipment starts a refrigerating mode or a heating mode, the four-way valve and the electronic expansion valve are controlled to work, state information of the DC-DC voltage reduction unit, the first inversion module, the second inversion module and the third inversion module is collected, and the DC-DC voltage reduction unit, the first inversion module, the second inversion module, the third inversion module, the compressor, the preheater, the electric heater, the ventilator, the exhaust fan and the condensing fan are controlled to work according to the state information of the DC-DC voltage reduction unit, the first inversion module, the second inversion module and the third inversion module.
10. The method for climate control of a passenger compartment of an urban rail vehicle according to claim 9, wherein the climate control device in step S2 activates a ventilation mode, further comprising the steps of:
collecting a first input voltage value of the DC-DC voltage reduction unit, and judging whether the first input voltage value is within a first preset range;
if yes, controlling the DC-DC voltage reduction unit, the third inversion module, the ventilator, the fresh air valve and the exhaust fan to work according to the state information of the DC-DC voltage reduction unit and the third inversion module; if not, the process returns to step S1.
11. The method for controlling environmental conditioning of a passenger compartment of an urban rail vehicle according to claim 9, wherein the step S2, in which the environmental conditioning apparatus activates the cooling mode, comprises the steps of:
starting a ventilation mode, controlling the four-way valve to stop working, controlling the electronic expansion valve to work, acquiring state information of the second inversion module, controlling the second inversion module and the first inversion module to stop working if the second inversion module fails, and returning to execute S1; if the second inversion module is normal, the second inversion module and the condensing fan are controlled to work;
acquiring state information of the first inversion module, and controlling the first inversion module to stop working if the first inversion module fails; if the first inversion module is normal, the first inversion module and the compressor are controlled to work, and the preheater and the electric heater are controlled to stop working.
12. The method for climate control of a passenger compartment of an urban rail vehicle according to claim 9, wherein the step S2 wherein the climate control device activates heating mode comprises the steps of:
when the compressor heat pump is used for heating, a ventilation mode is started, the four-way valve and the electronic expansion valve are controlled to work, state information of the second inversion module is collected, if the second inversion module fails, the second inversion module and the first inversion module are controlled to stop working, and the operation returns to the step S1; if the second inversion module is normal, the second inversion module and the condensing fan are controlled to work;
acquiring state information of the first inversion module, and controlling the first inversion module to stop working if the first inversion module fails; if the first inversion module is normal, controlling the first inversion module and the compressor to work, and controlling the preheater and the electric heater to stop working;
when the electric heater heats, starting a ventilation mode and controlling the second inverter module to stop working;
acquiring state information of the first inversion module, and controlling the first inversion module to stop working if the first inversion module fails; if the first inversion module is normal, the first inversion module, the preheater and the electric heater are controlled to work, and the compressor is controlled to stop working.
13. The method for controlling environmental conditioning of urban rail vehicle passenger compartments according to claim 7, wherein in step S3, before collecting the state information of the DC-DC boost unit and the third inverter module, the method further comprises:
acquiring a second input voltage value of the DC-DC boosting unit, and judging whether the second input voltage value is within a second preset range;
if yes, controlling the DC-DC boosting unit, the third inversion module, the ventilator and the exhaust fan to work according to the state information of the DC-DC boosting unit and the third inversion module; and if not, controlling the DC-DC boosting unit and the third inversion module to stop working, and returning to execute S1.
14. The method for climate control of a passenger compartment of an urban rail vehicle according to claim 7, further comprising, before said step S1:
s0: judging whether a maintenance terminal is connected or not;
if so, controlling the environment adjusting equipment to start an overhaul mode according to the priorities of the overhaul terminal and the main control module of the urban rail vehicle, controlling the DC-DC voltage reduction unit, the DC-DC voltage boosting unit, the inversion module and the environment adjusting equipment to work according to the received overhaul instruction and parameter setting instruction, and sending the collected data information of the DC-DC voltage reduction unit, the DC-DC voltage boosting unit, the inversion module and the environment adjusting equipment to the overhaul terminal;
if not, return to execute S1-S3.
15. The method of claim 14, wherein the service instruction comprises: the system comprises an operation mode maintenance instruction, a single module operation maintenance instruction and a state inquiry maintenance instruction.
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| CN202010902678.4A CN112009512A (en) | 2020-09-01 | 2020-09-01 | Environment regulation control device and method for passenger room of urban rail vehicle |
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| CN202010902678.4A CN112009512A (en) | 2020-09-01 | 2020-09-01 | Environment regulation control device and method for passenger room of urban rail vehicle |
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