CN104515250A - Method for controlling power-switching stable operation of air-conditioner unit of dual-powered trolley bus - Google Patents
Method for controlling power-switching stable operation of air-conditioner unit of dual-powered trolley bus Download PDFInfo
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- CN104515250A CN104515250A CN201310452366.8A CN201310452366A CN104515250A CN 104515250 A CN104515250 A CN 104515250A CN 201310452366 A CN201310452366 A CN 201310452366A CN 104515250 A CN104515250 A CN 104515250A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
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Abstract
The invention discloses a method for controlling power-switching stable operation of an air-conditioner unit of a dual-powered trolley bus. The method comprises the steps: S1, a detection circuit real-timely monitors the voltage of a network cable power supply and the electric quantity of storage batteries and transmits detection values to a main logic control unit; the main logic control unit sends high-level/low-level signals of forced energy-saving and forced shutdown and an air-conditioner unit enters a forced energy-saving status or a forced shutdown status according to each control signal; S2, under the forced energy-saving status, the detection circuit real-timely monitors the voltage of the network cable power supply and the electric quantity of the storage batteries and transmits the detection values to the main logic control unit; the main logic control unit controls the air-conditioner unit to keep the forced energy-saving status or enter the shutdown status or recover normal operation according to the detection value. The air-conditioner unit is operated according to the control signals transmitted by the main logic control unit; when the trolley bus is running by switching the power between a high-voltage overhead line network and a wireless network zone, the stable operation of the air-conditioner unit is maintained and the driving mileage of the electric vehicle is guaranteed sufficiently.
Description
Technical field
The present invention relates to a kind of control method, be specifically related to a kind of dual-powered trolley bus air-conditioner set across power good progress control method.
Background technology
Dual-powered trolley bus is that a kind of electric power that uses starts, road does not rely on the public transport that trapped orbit travels, and the electric power that it uses is generally by aerial cable, and the trolley pole on car obtains, simultaneously on the section departing from extraneous power transmission line, supply electric power in short-term by battery.In order to ensure the comfort level driven, dual-powered trolley bus is provided with air-conditioner set, and when vehicle is at high voltage overhead lines net section travel, electric power is sufficient, and air-conditioner set can be followed and be carried out high frequency running according to temperature in compartment, and high voltage overhead gauze charges a battery simultaneously; When vehicle is when without high voltage overhead electrical network section travel, provide power supply vehicle as power by battery, now air-conditioner set still maintains and runs up, then can consume a large amount of battery power, cannot support vehicles course continuation mileage.Therefore need to control according to the operation of use power supply status to air-conditioner set of dual-powered trolley bus, can ensure that vehicle can normally be continued a journey, ensure air-conditioner set stable operation again.
Summary of the invention
For solving the problems of the technologies described above, the object of the present invention is to provide a kind of dual-powered trolley bus air-conditioner set across power good progress control method, make vehicle when Switching power runs, can ensure that vehicle can normally be continued a journey, ensure air-conditioner set stable operation again.
For achieving the above object, technical scheme of the present invention is as follows: a kind of dual-powered trolley bus air-conditioner set across power good progress control method, described air-conditioner set comprises the high voltage overhead lines network source for providing the first power source, for providing the internal battery power supply of the second power source, for detecting described first power source and the second power source also corresponding testing circuit forming the first power signal and the second power signal respectively, for receiving the first power signal and the second power signal and exporting the main logic control unit of control signal and the performance element for receiving described control signal executable operations, describedly to comprise the following steps across power good progress control method:
Continuous n the detection line network source voltage of S1, testing circuit and accumulator electric-quantity, as confirmation voltage < U
threshold valueduring electricity minimum threshold < battery electric quantity≤electricity threshold limit value; Detection Information is sent to main logic control unit by testing circuit; main logic control unit exports forces energy-conservation high level voltage signal and forced stoppage low level voltage signal; air-conditioner set enters pressure power save mode, and enters S2; As confirmation voltage < U
threshold value, during battery electric quantity≤electricity minimum threshold, main logic control unit exports forced stoppage high level voltage signal and forces energy-conservation low level voltage signal; Air-conditioner set by forced shutdown, and returns S1; As confirmation voltage>=U
threshold value, during battery electric quantity>=electricity threshold limit value, main logic control unit exports forced stoppage low level voltage signal and forces energy-conservation low level voltage signal, and air-conditioner set normally runs, and returns S1;
During S2, main logic control unit export and force energy-conservation high level voltage signal, detected by continuous n time, as confirmation voltage < U
threshold value, during battery electric quantity > electricity abundance threshold value, main logic control unit exports forced stoppage low level voltage signal and forces energy-conservation low level voltage signal, and air-conditioner set starts normal operation, and returns S1; As confirmation voltage < U
threshold value, during battery electric quantity≤electricity minimum threshold, main logic control unit exports forced stoppage high level voltage signal and forces energy-conservation low level voltage signal, and air-conditioner set by forced shutdown, and returns S1; As confirmation voltage < U
threshold valueduring electricity minimum threshold < battery electric quantity≤electricity abundance threshold value; main logic control unit maintains former output state; namely main logic control unit exports and forces energy-conservation high level voltage signal and forced stoppage low level voltage signal; air-conditioner set maintains forces power save mode, and returns S2.
Preferably, described main logic control unit is also electrically connected the pedal switch being used to indicate described high voltage overhead lines network source point line states, described further comprising the steps of across power good progress control method:
S3, pedal switch close a floodgate, and described main logic control unit exports forced unloading high level voltage signal, and air-conditioner set is by forced unloading; Pedal switch separating brake, described main logic control unit exports forced unloading low level voltage signal, and air-conditioner set restarts and returns S1.
3, according to claim 1 and 2ly it is characterized in that across power good progress control method, described performance element comprises the compressor performance element and blower fan performance element that are set up in parallel; Described compressor performance element comprises frequency converter and compressor, described blower fan performance element comprises signal receiver, condensation fan and evaporation fan, and described main logic control unit is electrically connected described frequency converter and signal receiver and compressor, condensation fan and evaporation fan described in corresponding control connection respectively.
Preferably; describedly also comprise across power good progress control method the first additional control logic that pressure Energy Saving Control signal/forced stoppage control signal that described air-conditioner set exports described main logic control unit under open state carries out, described first additional control logic comprises the following steps:
S11, frequency converter and signal receiver read pressure Energy Saving Control signal and the forced stoppage control signal of the input of main logic control unit;
S12, when forcing that Energy Saving Control signal is high level voltage signal, forced stoppage control signal is low level voltage signal, air-conditioner set enters forces energy-saving run state, if the former output frequency>=f of frequency converter
threshold value, then frequency converter output frequency reduces to f
threshold value, otherwise frequency converter maintains former output state; If the former power output>=P of evaporation fan
threshold value, then evaporate extension set power output and reduce to P
threshold value, otherwise evaporation extension set maintains former output state, and proceeds to S13; When forced stoppage control signal is high level voltage signal, force Energy Saving Control signal be no matter low level or high level voltage signal time, frequency converter all can perform air-conditioning shutdown programm, air-conditioner set enters forced stoppage state, Display panel is closed simultaneously, to reopen air-conditioner set, then need manual execution; When forcing Energy Saving Control signal and forced stoppage control signal to be low level voltage signal, delay time t
threshold value 1and return S11;
S13, delay time t
threshold value 2, again read and force Energy Saving Control signal and forced stoppage control signal;
S14, when forced stoppage control signal be high level voltage signal, force Energy Saving Control signal be no matter low level or high level voltage signal time, frequency converter all can perform air-conditioning shutdown programm, air-conditioner set enters forced stoppage state, Display panel is closed simultaneously, to reopen air-conditioner set, then need manual execution; When forcing Energy Saving Control signal and forced stoppage control signal to be low level voltage signal, frequency converter and signal receiver export the locking signal that lifts restrictions, and compressor and evaporation fan unlock, and return S11 simultaneously; When forcing that Energy Saving Control signal is high level voltage signal, forced stoppage control signal is low level voltage signal, maintaining former export-restriction locking, and returning S13.
Preferably, describedly also comprise across power good progress control method the second additional control logic that forced unloading control signal that described air-conditioner set exports described main logic control unit under open state carries out, described second additional control logic comprises the following steps:
S21, frequency converter and signal receiver read the forced unloading control signal of main logic control unit input according to the frequency threshold of setting;
S22, when forced unloading control signal is high level voltage signal, at time t
threshold value 3in, frequency converter unconditionally stops compressor reducer output, condensation fan exports, and evaporation fan keeps original output state, and proceeds to S23; When forced unloading control signal is high level voltage signal, return S21;
S23, delay time t
threshold value 4, in during this, keep compressor reducer, condensation fan halted state constant;
S24, again reading forced unloading control signal;
S25, when forced unloading control signal is high level voltage signal, delay time t
threshold value 5, and proceed to S24; When forced unloading control signal is low level voltage signal, proceeds to air-conditioner set and restart working procedure, and return S21.
Preferably, described high voltage overhead lines network source and internal battery power supply are the power resources of described dual-powered trolley bus.
The beneficial effect of above technical scheme is adopted to be: Detection Information is also sent to main logic control unit by testing circuit Real-Time Monitoring gauze supply voltage and accumulator electric-quantity, judge that the power supply using state of dual-powered trolley bus is gauze power supply or battery feed by main logic control unit, and be in which kind of running status according to used power supply type control air-conditioner set, when using gauze power supply, air-conditioner set normally runs, when using battery feed and electricity is sufficient, air-conditioner set can remain stationary state run, when using battery feed and electricity is in threshold range, air-conditioner set enters forces power save mode to run, when using battery feed and electricity not enough, air-conditioner set forced stoppage to ensure that dual-powered trolley bus can normally be continued a journey, until reenter high voltage overhead lines network operation.Controlling across power good progress control method of dual-powered trolley bus air-conditioner set is reliable, maintains air-conditioner set stable operation, fully ensures electric car course continuation mileage.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in embodiment of the present invention technology, be briefly described to the accompanying drawing used required in the description of embodiment technology below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural principle block diagram across power good progress control method of a kind of dual-powered trolley bus air-conditioner set of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
As shown in Figure 1, a kind of dual-powered trolley bus air-conditioner set across power good progress control method, air-conditioner set comprises the high voltage overhead lines network source for providing the first power source, for providing the internal battery power supply of the second power source, for detecting the first power source and the second power source also corresponding testing circuit forming the first power signal and the second power signal respectively, for receive the first power signal and the second power signal and export control signal main logic control unit and for reception control signal and the performance element of executable operations, comprise the following steps across power good progress control method:
Continuous n the detection line network source voltage of S1, testing circuit and accumulator electric-quantity, as confirmation voltage < U
threshold valueduring electricity minimum threshold < battery electric quantity≤electricity threshold limit value; Detection Information is sent to main logic control unit by testing circuit; main logic control unit exports forces energy-conservation high level voltage signal and forced stoppage low level voltage signal; air-conditioner set enters pressure power save mode, and enters S2; As confirmation voltage < U
threshold value, during battery electric quantity≤electricity minimum threshold, main logic control unit exports forced stoppage high level voltage signal and forces energy-conservation low level voltage signal; Air-conditioner set by forced shutdown, and returns S1; As confirmation voltage>=U
threshold value, during battery electric quantity>=electricity threshold limit value, main logic control unit exports forced stoppage low level voltage signal and forces energy-conservation low level voltage signal, and air-conditioner set normally runs, and returns S1;
During S2, main logic control unit export and force energy-conservation high level voltage signal, detected by continuous n time, as confirmation voltage < U
threshold value, during battery electric quantity > electricity abundance threshold value, main logic control unit exports forced stoppage low level voltage signal and forces energy-conservation low level voltage signal, and air-conditioner set starts normal operation, and returns S1; As confirmation voltage < U
threshold value, during battery electric quantity≤electricity minimum threshold, main logic control unit exports forced stoppage high level voltage signal and forces energy-conservation low level voltage signal, and air-conditioner set by forced shutdown, and returns S1; As confirmation voltage < U
threshold valueduring electricity minimum threshold < battery electric quantity≤electricity abundance threshold value; main logic control unit maintains former output state; namely main logic control unit exports and forces energy-conservation high level voltage signal and forced stoppage low level voltage signal; air-conditioner set maintains forces power save mode, and returns S2.
High voltage overhead lines network source and internal battery power supply are the power resources of dual-powered trolley bus, and the voltage of high voltage overhead lines network source is generally at 450V-600V.
U
threshold valuefor the voltage detection threshold of setting, span is at 380V-420V.
Electricity minimum threshold is the minimum judgment threshold of accumulator electric-quantity, and span is at 50%-60%; Electricity threshold limit value is the critical judgment threshold of accumulator electric-quantity, and span is at 70%-75%; The sufficient threshold value of electricity is the sufficient judgment threshold of accumulator electric-quantity, and span is greater than 80%.
Performance element in air-conditioner set comprises the compressor performance element and blower fan performance element that are set up in parallel; Compressor performance element comprises frequency converter and compressor, blower fan performance element comprises signal receiver, condensation fan and evaporation fan, and main logic control unit is electrically connected frequency converter and signal receiver and corresponding control connection compressor, condensation fan and evaporation fan respectively.
Embodiment 2
All the other are identical with embodiment 1, and difference is, main logic control unit is also electrically connected the pedal switch being used to indicate high voltage overhead gauze separated time state, and control method is further comprising the steps of:
S3, pedal switch close a floodgate, and main logic control unit exports forced unloading high level voltage signal, and air-conditioner set is by forced unloading; Pedal switch separating brake, main logic control unit exports forced unloading low level voltage signal, and air-conditioner set restarts and returns S1.
When dynamic source trolleybus is in high voltage overhead lines operation off the net, when moving to separated time interval and carrying out lane change, driver can push down on the pedal switch, and pedal switch closes a floodgate, and main logic control unit exports forced unloading high level voltage signal, forced unloading is closed by air-conditioner set, so that the wire contacting high voltage overhead gauze carrys out handoff path, treat that lane change completes, pedal unclamps, main logic control unit exports forced unloading low level voltage signal, and air-conditioner set restarts and enters initial detecting state.
Embodiment 3
All the other are identical with embodiment 1; difference is; also comprise described air-conditioner set to the first additional control logic that the pressure Energy Saving Control signal/forced stoppage control signal of described main logic control unit output is carried out under open state across power good progress control method, described first additional control logic comprises the following steps:
S11, frequency converter and signal receiver read pressure Energy Saving Control signal and the forced stoppage control signal of the input of main logic control unit;
S12, when forcing that Energy Saving Control signal is high level voltage signal, forced stoppage control signal is low level voltage signal, air-conditioner set enters forces energy-saving run state, if the former output frequency>=f of frequency converter
threshold value, then frequency converter output frequency reduces to f
threshold value, otherwise frequency converter maintains former output state; If the former power output>=P of evaporation fan
threshold value, then evaporate extension set power output and reduce to P
threshold value, otherwise evaporation extension set maintains former output state, and proceeds to S13; When forced stoppage control signal is high level voltage signal, force Energy Saving Control signal be no matter low level or high level voltage signal time, frequency converter all can perform air-conditioning shutdown programm, air-conditioner set enters forced stoppage state, Display panel is closed simultaneously, to reopen air-conditioner set, then need manual execution; When forcing Energy Saving Control signal and forced stoppage control signal to be low level voltage signal, delay time t
threshold value 1and return S11;
S13, delay time t
threshold value 2, again read and force Energy Saving Control signal and forced stoppage control signal;
S14, when forced stoppage control signal be high level voltage signal, force Energy Saving Control signal be no matter low level or high level voltage signal time, frequency converter all can perform air-conditioning shutdown programm, air-conditioner set enters forced stoppage state, Display panel is closed simultaneously, to reopen air-conditioner set, then need manual execution; When forcing Energy Saving Control signal and forced stoppage control signal to be low level voltage signal, frequency converter and signal receiver export the locking signal that lifts restrictions, and compressor and evaporation fan unlock, and return S11 simultaneously; When forcing that Energy Saving Control signal is high level voltage signal, forced stoppage control signal is low level voltage signal, maintaining former export-restriction locking, and returning S13.
Preferably, describedly also comprise across power good progress control method the second additional control logic that forced unloading control signal that described air-conditioner set exports described main logic control unit under open state carries out, described second additional control logic comprises the following steps:
S21, frequency converter and signal receiver read the forced unloading control signal of main logic control unit input according to the frequency threshold of setting;
S22, when forced unloading control signal is high level voltage signal, at time t
threshold value 3in, frequency converter unconditionally stops compressor reducer output, condensation fan exports, and evaporation fan keeps original output state, and proceeds to S23; When forced unloading control signal is high level voltage signal, return S21;
S23, delay time t
threshold value 4, in during this, keep compressor reducer, condensation fan halted state constant;
S24, again reading forced unloading control signal;
S25, when forced unloading control signal is high level voltage signal, delay time t
threshold value 5, and proceed to S24; When forced unloading control signal is low level voltage signal, proceeds to air-conditioner set and restart working procedure, and return S21.
F
threshold valuefor evaporation fan power output power save mode judgment threshold, span is at 20%-40%; P
threshold valuefor compressor output frequency power save mode judgment threshold, span is at 40Hz-50Hz; t
threshold valuefor the delay time of setting, can set as required, be not construed as limiting herein.
The beneficial effect of above technical scheme is adopted to be: Detection Information is also sent to main logic control unit by testing circuit Real-Time Monitoring gauze supply voltage and accumulator electric-quantity, judge that the power supply using state of dual-powered trolley bus is gauze power supply or battery feed by main logic control unit, and be in which kind of running status according to used power supply type control air-conditioner set, when using gauze power supply, air-conditioner set normally runs, when using battery feed and electricity is sufficient, air-conditioner set can remain stationary state run, when using battery feed and electricity is in threshold range, air-conditioner set enters forces power save mode to run, when using battery feed and electricity not enough, air-conditioner set forced stoppage to ensure that dual-powered trolley bus can normally be continued a journey, until reenter high voltage overhead lines network operation.Controlling across power good progress control method of dual-powered trolley bus air-conditioner set is reliable, maintains air-conditioner set stable operation, fully ensures electric car course continuation mileage.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. dual-powered trolley bus air-conditioner set across a power good progress control method, described air-conditioner set comprise for provide the high voltage overhead lines network source of the first power source, for provide the internal battery power supply of the second power source, for detect described first power source and the second power source respectively and corresponding form the first power signal and the second power signal testing circuit, for receiving the first power signal and the second power signal and exporting the main logic control unit of control signal and the performance element for receiving described control signal executable operations; It is characterized in that, describedly to comprise the following steps across power good progress control method:
Continuous n the detection line network source voltage of S1, testing circuit and accumulator electric-quantity, as confirmation voltage < U
threshold valueduring electricity minimum threshold < battery electric quantity≤electricity threshold limit value; Detection Information is sent to main logic control unit by testing circuit; main logic control unit exports forces energy-conservation high level voltage signal and forced stoppage low level voltage signal; air-conditioner set enters pressure power save mode, and enters S2; As confirmation voltage < U
threshold value, during battery electric quantity≤electricity minimum threshold, main logic control unit exports forced stoppage high level voltage signal and forces energy-conservation low level voltage signal; Air-conditioner set by forced shutdown, and returns S1; As confirmation voltage>=U
threshold value, during battery electric quantity>=electricity threshold limit value, main logic control unit exports forced stoppage low level voltage signal and forces energy-conservation low level voltage signal, and air-conditioner set normally runs, and returns S1;
During S2, main logic control unit export and force energy-conservation high level voltage signal, detected by continuous n time, as confirmation voltage < U
threshold value, during battery electric quantity > electricity abundance threshold value, main logic control unit exports forced stoppage low level voltage signal and forces energy-conservation low level voltage signal, and air-conditioner set starts normal operation, and returns S1; As confirmation voltage < U
threshold value, during battery electric quantity≤electricity minimum threshold, main logic control unit exports forced stoppage high level voltage signal and forces energy-conservation low level voltage signal, and air-conditioner set by forced shutdown, and returns S1; As confirmation voltage < U
threshold valueduring electricity minimum threshold < battery electric quantity≤electricity abundance threshold value; main logic control unit maintains former output state; namely main logic control unit exports and forces energy-conservation high level voltage signal and forced stoppage low level voltage signal; air-conditioner set maintains forces power save mode, and returns S2.
2. according to claim 1 across power good progress control method, it is characterized in that, described main logic control unit is also electrically connected the pedal switch being used to indicate described high voltage overhead lines network source point line states, described further comprising the steps of across power good progress control method:
S3, pedal switch close a floodgate, and described main logic control unit exports forced unloading high level voltage signal, and air-conditioner set is by forced unloading; Pedal switch separating brake, described main logic control unit exports forced unloading low level voltage signal, and air-conditioner set restarts and returns S1.
3. according to claim 1 and 2ly it is characterized in that across power good progress control method, described performance element comprises the compressor performance element and blower fan performance element that are set up in parallel; Described compressor performance element comprises frequency converter and compressor, described blower fan performance element comprises signal receiver, condensation fan and evaporation fan, and described main logic control unit is electrically connected described frequency converter and signal receiver and compressor, condensation fan and evaporation fan described in corresponding control connection respectively.
4. according to claim 3ly to it is characterized in that across power good progress control method,
Describedly also comprise across power good progress control method the first additional control logic that pressure Energy Saving Control signal/forced stoppage control signal that described air-conditioner set exports described main logic control unit under open state carries out, described first additional control logic comprises the following steps:
S11, frequency converter and signal receiver read pressure Energy Saving Control signal and the forced stoppage control signal of the input of main logic control unit;
S12, when forcing that Energy Saving Control signal is high level voltage signal, forced stoppage control signal is low level voltage signal, air-conditioner set enters forces energy-saving run state, if the former output frequency>=f of frequency converter
threshold value, then frequency converter output frequency reduces to < f
threshold value, otherwise frequency converter maintains former output state; If the former power output>=P of evaporation fan
threshold value, then evaporate extension set power output and reduce to < P
threshold value, otherwise evaporation extension set maintains former output state, and proceeds to S13; When forced stoppage control signal is high level voltage signal, force Energy Saving Control signal be no matter low level or high level voltage signal time, frequency converter all can perform air-conditioning shutdown programm, air-conditioner set enters forced stoppage state, Display panel is closed simultaneously, to reopen air-conditioner set, then need manual execution; When forcing Energy Saving Control signal and forced stoppage control signal to be low level voltage signal, delay time t
threshold value 1and return S11;
S13, delay time t
threshold value 2, again read and force Energy Saving Control signal and forced stoppage control signal;
S14, when forced stoppage control signal be high level voltage signal, force Energy Saving Control signal be no matter low level or high level voltage signal time, frequency converter all can perform air-conditioning shutdown programm, air-conditioner set enters forced stoppage state, Display panel is closed simultaneously, to reopen air-conditioner set, then need manual execution; When forcing Energy Saving Control signal and forced stoppage control signal to be low level voltage signal, frequency converter and signal receiver export the locking signal that lifts restrictions, and compressor and evaporation fan unlock, and return S11 simultaneously; When forcing that Energy Saving Control signal is high level voltage signal, forced stoppage control signal is low level voltage signal, maintaining former export-restriction locking, and returning S13.
5. according to claim 3 across power good progress control method, it is characterized in that, describedly also comprise across power good progress control method the second additional control logic that forced unloading control signal that described air-conditioner set exports described main logic control unit under open state carries out, described second additional control logic comprises the following steps:
S21, frequency converter and signal receiver read the forced unloading control signal of main logic control unit input according to the frequency threshold of setting;
S22, when forced unloading control signal is high level voltage signal, at time t
threshold value 3in, frequency converter unconditionally stops compressor reducer output, condensation fan exports, and evaporation fan keeps original output state, and proceeds to S23; When forced unloading control signal is high level voltage signal, return S21;
S23, delay time t
threshold value 4, in during this, keep compressor reducer, condensation fan halted state constant;
S24, again reading forced unloading control signal;
S25, when forced unloading control signal is high level voltage signal, delay time t
threshold value 5, and proceed to S24; When forced unloading control signal is low level voltage signal, proceeds to air-conditioner set and restart working procedure, and return S21.
6. according to claim 5 or 6 across power good progress control method, it is characterized in that, described high voltage overhead lines network source and internal battery power supply are the power resources of described dual-powered trolley bus.
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| CN110758052A (en) * | 2019-10-31 | 2020-02-07 | 广东美的制冷设备有限公司 | Drive control method and device, air conditioning equipment, vehicle and storage medium |
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