CN202765998U - Emergency device for elevator blackout - Google Patents

Emergency device for elevator blackout Download PDF

Info

Publication number
CN202765998U
CN202765998U CN 201220239569 CN201220239569U CN202765998U CN 202765998 U CN202765998 U CN 202765998U CN 201220239569 CN201220239569 CN 201220239569 CN 201220239569 U CN201220239569 U CN 201220239569U CN 202765998 U CN202765998 U CN 202765998U
Authority
CN
China
Prior art keywords
elevator
unit
power supply
switching valve
control
Prior art date
Application number
CN 201220239569
Other languages
Chinese (zh)
Inventor
陈宏勇
Original Assignee
广州坂本电气有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广州坂本电气有限公司 filed Critical 广州坂本电气有限公司
Priority to CN 201220239569 priority Critical patent/CN202765998U/en
Application granted granted Critical
Publication of CN202765998U publication Critical patent/CN202765998U/en

Links

Abstract

The utility model discloses an emergency device for elevator blackout, which comprises a switching unit, a charging emergency unit and a detecting control unit, wherein the charging emergency unit comprises a storage battery; an input end of the switching unit is connected with a three-phase four-wire electric supply; an output end of the switching unit is connected with an elevator control cabinet; the switching unit outputs the electric supply power source or the emergency power source to the elevator control cabinet; the charging emergency unit is connected with the switching unit; the charging emergency unit is connected with the electric supply power source to charge the storage battery when the elevator is powered by the electric supply power source; when the electric supply source is switched off, the direct current power source stored by the storage battery is inverted to output the three-phase four-wire alternating current power that is transmitted to the elevator control cabinet by the switching unit; and the detecting control unit sends control signals to the switching unit and the charging emergency unit. The circuit design of the elevator emergency power source is simplified; and the stability and the reliability of the elevator emergency control can be improved.

Description

Elevator rescue apparatus during stoppage of power supply
Technical field
The present invention relates to a kind of electronic technology field, relate in particular to a kind of elevator rescue apparatus during stoppage of power supply.
Background technology
Elevator almost is the instrument that people's daily life must contact and popularize.But, be subjected to the impact of stability of power system, when burst had a power failure, the elevator malfunction event can appear, and cause the passenger to produce Psychological phobia, even produce radical response, formed very large potential safety hazard.The elevator emergency system also just arises at the historic moment, and the necessary functions of elevator has been classified in the rescue that has a power failure as.
The elevator emergency system that uses at present starts when elevator power failure, and takes over the elevator control, and then control cab low cruise opens the door to the door zone position.Yet the design of the power circuit of existing elevator emergency system is complicated, and the utilization ratio of battery power is lower, and output voltage and waveform are relatively poor, and emergent control is unstable.
The utility model content
The utility model proposes a kind of elevator rescue apparatus during stoppage of power supply, simplified the circuit layout of elevator emergency power supply, can improve stability and the reliability of elevator emergency control.
The utility model embodiment provides a kind of elevator rescue apparatus during stoppage of power supply, comprises switch unit, charging emergency unit and detection control unit; Described charging emergency unit comprises storage battery;
The input end of described switch unit connects the three-phase four-wire system civil power, and the mouth of described switch unit connects elevator control cabinet; Described switch unit is to described elevator control cabinet output mains supply or emergency source of electrical power;
Described charging emergency unit is connected with described switch unit; During by mains-supplied, the access mains supply charges to described storage battery described charging emergency unit at elevator; When mains supply disconnects, the direct supply of described battery stores is carried out inversion, output three-phase four-wire system source of AC, and be transferred to described elevator control cabinet;
Described detection control unit is connected with described switch unit, charging emergency unit respectively; The power supply status that described detection control unit detects civil power and described storage battery sends control signal to described switch unit and described charging emergency unit.
Further, described charging emergency unit also comprises booster converter, inversion current converter, charger and EMI Filtering unit;
Described booster converter is connected with the power output end of described storage battery, and the power supply that described storage battery is exported carries out the DC boosting conversion;
Described inversion current converter is connected with described booster converter, described charger respectively; Described charger also is connected with described storage battery; Described inversion current converter during by mains-supplied, exports the three-phase alternating current electric rectification to described charger at elevator, and when mains supply disconnects, and is the output of three-phase and four-line alternating current with the vdc inversion of described booster converter output;
Described EMI Filtering unit is connected with the mouth of described inversion current converter, described switch unit respectively, and the alternating current that inputs or outputs is carried out filtering.
Further, described detection control unit comprises voltage detecting circuit and DSP control circuit.Described DSP control circuit comprises the inversion control module of the inversion working process of the boosting rectifier control module of control storage battery boosting inverter process, the charge control module of controlling battery charging process and control inversion current converter.
Implement the utility model embodiment, has following beneficial effect: in the inversion current converter, inverter circuit is multiplexed with the rectifying circuit of charger prime, simplify circuit layout, reduced design cost, adopted simultaneously intelligent dsp chip control, acquisition testing data more fully, control is more rationally stable, also more flexible, need not make change to the elevator control cabinet internal wiring during use.
Description of drawings
Fig. 1 is the structural representation of the elevator rescue apparatus during stoppage of power supply that provides of the utility model embodiment;
Fig. 2 is the structural representation of the detection control unit of the elevator rescue apparatus during stoppage of power supply that provides of the utility model embodiment;
Fig. 3 is the circuit structure diagram of the switch unit of the elevator rescue apparatus during stoppage of power supply that provides of the utility model embodiment;
Fig. 4 is the circuit structure diagram of the booster converter of the elevator rescue apparatus during stoppage of power supply that provides of the utility model embodiment;
Fig. 5 is the circuit structure diagram of the inversion current converter of the elevator rescue apparatus during stoppage of power supply that provides of the utility model embodiment;
Fig. 6 is the circuit structure diagram of the charger of the elevator rescue apparatus during stoppage of power supply that provides of the utility model embodiment;
Fig. 7 is the elevator rescue apparatus during stoppage of power supply that provides of the utility model embodiment and the line graph of elevator control cabinet;
Fig. 8 is the elevator rescue apparatus during stoppage of power supply that provides of the another embodiment of the utility model and the line graph of elevator control cabinet.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Referring to Fig. 1, it is the structural representation of the elevator rescue apparatus during stoppage of power supply that provides of the utility model embodiment.
The elevator rescue apparatus during stoppage of power supply that the present embodiment provides comprises switch unit 101, charging emergency unit 102 and detection control unit 103; Charging emergency unit 102 comprises storage battery 1021; Specific as follows:
The input end of switch unit 101 connects the three-phase four-wire system civil power, and the mouth of switch unit 101 connects elevator control cabinet; Switch unit 101 is to described elevator control cabinet output mains supply or emergency source of electrical power;
Charging emergency unit 102 is connected with switch unit 101; During by mains-supplied, the access mains supply charges to storage battery 1021 charging emergency unit 102 at elevator; When mains supply disconnects (elevator needs emergency service), the direct supply that storage battery 1021 is stored carries out inversion, output three-phase four-wire system source of AC, and be transferred to elevator control cabinet;
Detection control unit 103 is connected with switch unit 101, charging emergency unit 102 respectively; Detection control unit 103 detects the power supply status of civil power and storage battery 1021, sends control signal to switch unit 101 and charging emergency unit 102.
Concrete, as shown in Figure 1, charging emergency unit 102 also comprises booster converter 1022, inversion current converter 1023, charger 1024 and EMI Filtering unit 1025, and is as follows:
Booster converter 1022 is connected with the power output end of storage battery 1021, and the power supply that storage battery 1021 is exported carries out the DC boosting conversion;
Inversion current converter 1023 is connected with booster converter 1022, charger 1024 respectively; Charger 1024 also is connected with storage battery 1021; Inversion current converter 1023 during by mains-supplied, exports three plase alternating current (civil power) rectification to charger 1024 at elevator, and when mains supply disconnects, and is the output of three-phase and four-line alternating current with the vdc inversion of booster converter 1022 outputs;
EMI Filtering unit 1025 is connected with mouth, the switch unit 101 of inversion current converter 1023 respectively, and the alternating current that inputs or outputs is carried out filtering.
The present embodiment is integrated in the rectifying circuit of inverter circuit and charger prime in the circuit module (being the inversion current converter), has simplified circuit layout, has reduced design cost.EMI Filtering unit 1025 is connected with inversion current converter 1023, and is connected with the mouth of switch unit 101, when charging and inversion are exported concurrent multiplexing the EMI Filtering unit, reduced the humorous wave excitation of charger to electrical network.
Referring to Fig. 2, it is the structural representation of the detection control unit of the elevator rescue apparatus during stoppage of power supply that provides of the utility model embodiment.
Detection control unit 103 comprises voltage detecting circuit 1031 and DSP(Digital Signal Processing, digital signal processing) control circuit 1032.Wherein, voltage detecting circuit 1031 is for detection of the voltage signal in line voltage and the storage battery 1021, and testing result is fed back to DSP control circuit 1032.DSP control circuit 1032 comprises the inversion control module 10323 of the inversion working process of the boosting rectifier control module 10321 of control storage battery boosting inverter process, the charge control module 10322 of controlling battery charging process and control inversion current converter.
Referring to Fig. 3, it is the circuit structure diagram of the switch unit of the elevator rescue apparatus during stoppage of power supply that provides of the utility model embodiment.
Switch unit 101 comprises contactless switch; The input end of described contactless switch connects the three-phase and four-line civil power, and the mouth of described relay connects three-phase four-wire power mouth and the elevator control cabinet of charging emergency unit 102; The closure of described contactless switch is connected detection control unit 103 with the control end of disconnection, and described contactless switch is controlled closed by detection control unit 103 and disconnected.During implementation, when the voltage detecting circuit 1031 of detection control unit 103 detects mains-supplied voltage when normal, as the mains-supplied single-phase voltage at the 85V alternating-current voltage/AC voltage between the 275V alternating-current voltage/AC voltage time, switch unit 101 is closed by detection control unit 103 controls, elevator is by mains-supplied; When voltage detecting circuit 1031 detects line voltage outside normal range, when having a power failure such as burst, switch unit 101 is disconnected by detection control unit 103 controls, the elevator emergency power supply.
Referring to Fig. 4, it is the circuit structure diagram of the booster converter of the elevator rescue apparatus during stoppage of power supply that provides of the utility model embodiment.
Booster converter 1022 comprises the first voltage transformer TX1, the first switching valve Q1, second switch pipe Q2, the first diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4, the first dc-link capacitance C1 and the second dc-link capacitance C2.The power output end of storage battery 1021 is connected with the input end of the first voltage transformer TX1, and the mouth of the first voltage transformer TX1 connects the first dc-link capacitance C1 and the second dc-link capacitance C2.
More specifically, the former limit of the first voltage transformer TX1 comprises winding and lower winding, and the point of connection of two windings is public terminal, and described public terminal is connected with the positive pole of storage battery 1021.Two terminals on the former limit of the first voltage transformer TX1 connect respectively the first switching valve Q1 and second switch pipe Q2; The control end of the first switching valve Q1 is connected respectively detection control unit 103 with the control end of second switch pipe Q2, receives respectively conPWM1 signal and conPWM2 signal that detection control unit 103 sends.The first diode D1, the second diode D2, the 3rd diode D3 and the 4th diode D4 form diode network, keep two pipe conductings in the process of boosting, two pipe cut-offs, the input end of described diode network is connected with the mouth of the first voltage transformer TX1, and the mouth of described diode network connects the first dc-link capacitance C1 and the second dc-link capacitance C2.
Referring to Fig. 5, it is the circuit structure diagram of the inversion current converter of the elevator rescue apparatus during stoppage of power supply that provides of the utility model embodiment.
Inversion current converter 1023 comprises the 3rd switching valve Q3, the 4th switching valve Q4, the 5th switching valve Q5, the 6th switching valve Q6, the 7th switching valve Q7, the 8th switching valve Q8, the 5th inductance L 5, the 6th inductance L 6, the 7th inductance L 7, the 3rd capacitor C 3, the 4th capacitor C 4 and the 5th capacitor C 5; The input end of described inversion current converter connects the first dc-link capacitance C1 and the second dc-link capacitance C2, and the mouth of described inversion current converter connects EMI Filtering unit 1025.Inversion current converter 1023 comprises the three-phase inversion converter circuit, is respectively A contrary transform stream circuit, B contrary transform stream circuit and C contrary transform stream circuit.Specific as follows:
A contrary transform stream circuit comprises the 3rd switching valve Q3, the 4th switching valve Q4, the 5th inductance L 5 and the 3rd capacitor C 3.Wherein, the 3rd switching valve Q3 and the 4th switching valve Q4 are used for when emergency service (mains supply disconnection) dc-link capacitance voltage are carried out inversion output single-phase alternating current, the inside of the 3rd switching valve Q3 and the 4th switching valve Q4 is connected with respectively rectifier diode, is used for when elevator is supplied by civil power the single phase alternating current of inputting being carried out rectification.The 5th inductance L 5, the 3rd capacitor C 3 are used for the I/O ac signal, and ac signal are carried out filtering.
B contrary transform stream circuit comprises the 5th switching valve Q5, the 6th switching valve Q6, the 6th inductance L 6 and the 4th capacitor C 4.Wherein, the inside of the 5th switching valve Q5 and the 6th switching valve Q6 is connected with respectively rectifier diode.Circuit structure and the principle of work of B contrary transform stream circuit, identical with above-mentioned A contrary transform stream circuit, no longer describing in detail a bit.
C contrary transform stream circuit comprises the 7th switching valve Q7, the 8th switching valve Q8, the 7th inductance L 7 and the 5th capacitor C 5.Wherein, the inside of the 7th switching valve Q7 and the 8th switching valve Q8 is connected with respectively rectifier diode.Circuit structure and the principle of work of C contrary transform stream circuit, identical with above-mentioned A contrary transform stream circuit, no longer describing in detail a bit.
The control end of the 3rd switching valve Q3, the 4th switching valve Q4, the 5th switching valve Q5, the 6th switching valve Q6, the 7th switching valve Q7 and the 8th switching valve Q8 is connected with detection control unit respectively, control signal invA+/invA-, the invB+/invB-and the invC+/invC-that send to receive detection control unit.
The inversion current converter that the present embodiment provides is multiplexed with inverter circuit the rectifying circuit of charger prime, has simplified circuit layout, has reduced design cost.
Referring to Fig. 5, EMI Filtering unit 1025 comprises master cock 10251 and ∏ mode filter 10252, master cock 10251 is connected with ∏ mode filter 10252, and the control end of master cock 10251 is connected with detection control unit 103, the control signal that sends to receive detection control unit 103.∏ mode filter 10252 is used for the ac signal that inputs or outputs is carried out filtering.In specific implementation process, an end of master cock 10251 connects inversion current converter 1023, and the other end connects ∏ mode filter 10252; The mouth of the other end connection switching unit 101 of ∏ mode filter 10252.This EMI Filtering unit 1025 inputs to inversion current converter 1023 with three phase mains filtering and carries out rectification when mains-supplied, and when emergency service, the three-phase and four-line alternating current filtering that inversion current converter 1023 is exported exports elevator control cabinet to.
Referring to Fig. 6, it is the circuit structure diagram of the charger of the elevator rescue apparatus during stoppage of power supply that provides of the utility model embodiment.
Charger 1024 comprises the second voltage transformer TX2, the 9th switching valve Q9, the tenth switching valve Q10, the 5th diode D5, the 6th diode D6, the 7th diode D7 and the 6th capacitor C 6.Wherein, two terminals on the former limit of the second voltage transformer TX2 connect respectively the 9th switching valve Q9 and the tenth switching valve Q10; The 9th switching valve Q9 also connects the first dc-link capacitance C1; The tenth switching valve Q1 also connects the second dc-link capacitance C2.The control end of the control end of the 9th switching valve Q9 and the tenth switching valve Q10 connects detection control unit 103, and the Chg signal that sends to receive detection control unit 103, this Chg signal are used for access and the disconnection of control dc-link capacitance voltage; The 6th diode D6 is serially connected between the first dc-link capacitance C1 and the tenth switching valve Q10, the 7th diode D7 is serially connected between the second dc-link capacitance C2 and the 9th switching valve Q9, is used for when vdc disconnects the second voltage transformer TX2 being carried out magnetic-reset.The 5th diode D5 and the 6th capacitor C 6 form rectifying circuit, are connected to the mouth of the second voltage transformer TX2, and the 6th capacitor C 6 is in parallel with storage battery 1021.
Below in conjunction with Fig. 1 to Fig. 6, the principle of work of the elevator rescue apparatus during stoppage of power supply that the present embodiment is provided is elaborated.
Referring to Fig. 1 and Fig. 3, elevator rescue apparatus during stoppage of power supply is detecting line voltage within normal range the time, and switch unit 101 is by the 1032 control adhesives of DSP control circuit, and mains supply directly sends elevator control cabinet to.Simultaneously, referring to Fig. 5, master cock 10251 is by the 1032 control adhesives of DSP control circuit, mains supply through the rectified three-phase circuit of inversion current converter (switching valve Q3 to switching valve Q8 and inner diode thereof form rectified three-phase circuit) after, for the first dc-link capacitance C1 and the second dc-link capacitance C2 provide energy.For the A phase, the loop that the positive half cycle of A phase voltage consists of through diode and the first dc-link capacitance C1 of the 3rd capacitor C 3, the 5th inductance L 5, the 3rd switching valve Q3 inside, with energy storage in the first dc-link capacitance C1; The loop that A phase voltage negative half period consists of through diode and the second dc-link capacitance C2 of the 3rd capacitor C 3, the 5th inductance L 5, the 4th switching valve Q4 inside, with energy storage in the second chemical capacitor C2.For B phase and C mutually, principle is identical, repeats no more here.In addition, when charging and inversion are exported concurrent multiplexing EMI Filtering unit 1025, reduced the humorous wave excitation of charger to electrical network.
Referring to Fig. 6, when line voltage is the 220V alternating-current voltage/AC voltage, after the certain time, when the voltage that detects the first dc-link capacitance capacitor C 1 and the second dc-link capacitance C2 two ends when voltage detecting circuit 1031 reaches respectively the 310V vdc, DSP control circuit 1032 sends charging control signal Chg, starts charge circuit.When the Chg signal was high, the first dc-link capacitance C1, the 9th switching valve Q9, the second voltage transformer TX2, the tenth switching valve Q10 and the second dc-link capacitance C2 consisted of the loop, and dc-link capacitance passes to the second voltage transformer TX2 with energy.When the Chg signal is low, the original loop that consists of of the first dc-link capacitance C1, the 9th switching valve Q9, the second voltage transformer TX2, the tenth switching valve Q10 and the second dc-link capacitance C2 is obstructed, the energy that the former limit of the second voltage transformer TX2 stores passes to time limit, the second voltage transformer TX2, the 5th switching valve D5, the 6th capacitor C 6 and storage battery 1021 consist of loops, TX2 limit of the second voltage transformer pass to the 6th capacitor C 6 and storage battery 1021.Finish the charging to storage battery.Simultaneously, the former limit of the second voltage transformer TX2, the 6th diode D6, the 7th diode D7, the first dc-link capacitance C1 and the second dc-link capacitance C2 consist of the loop, so that the second voltage transformer TX2 magnetic-reset is carried out the preparation that next energy transmits.
When the voltage detecting circuit 1031 of elevator rescue apparatus during stoppage of power supply is detecting line voltage and is exceeding normal range, switch unit 101 and master cock 10251 are disconnected by 1032 controls of DSP control circuit, behind the wait time of setting, start the work of booster converter and inversion current converter, inverter output voltage is given elevator control cabinet and is realized emergency service.Referring to Fig. 4, the booster converter principle of work is as follows: the boosting rectifier control module 10321 of DSP control circuit 1032 is sent control signal conPWM1 and conPWM2, and conPWM1 and conPWM2 signal are complementary alternately square-wave signal.When conPWM1 is high, conPWM2 is when low, and storage battery 1021, the first voltage transformer TX1 and the first switching valve Q1 consist of the loop, and storage battery 1021 passes to the former limit of the first voltage transformer TX1 with energy.Winding, the second dc-link capacitance C2 and the 3rd diode D3 consist of the loop on TX1 limit of the first voltage transformer, and the first voltage transformer TX1 passes to the second dc-link capacitance C2 with energy.Winding, the second diode D2 and the first dc-link capacitance C1 consist of the loop under TX1 limit of the first voltage transformer, and the first voltage transformer TX1 passes to the first dc-link capacitance C1 with energy.When conPWM1 is low, when conPWM2 was high, storage battery 1021, the first voltage transformer TX1 and second switch pipe Q2 consisted of the loop, and storage battery 1021 passes to the former limit of the first voltage transformer TX1 with energy.Winding, the first diode D1 and the first dc-link capacitance C1 consist of the loop on TX1 limit of the first voltage transformer, and the first voltage transformer TX1 passes to the first dc-link capacitance C1 with energy.Winding, the second dc-link capacitance C2 and the 4th diode D4 consist of the loop under TX1 limit of the first voltage transformer, and the first voltage transformer TX1 passes to the second dc-link capacitance C2 with energy.After the boosting inverter process was carried out certain hour, the voltage at the first dc-link capacitance C1 and the second dc-link capacitance C2 two ends can reach respectively the 400V vdc.Referring to Fig. 5, when the voltage that detects the first dc-link capacitance C1 and the second dc-link capacitance C2 two ends when voltage detecting circuit 1031 reaches the voltage conditions of 400V, the work of the inversion control module 10323 of DSP control circuit 1032 is opened, send inverter control signal invA+/invA-, invB+/invB-and invC+/invC-, three groups of control signals are the sine pulse modulation signal, differ 120 degree between every group ,+/-signal is complementary signal.The present embodiment describes as example mutually take A, when control signal invA+ is high, when invA-was low, the first dc-link capacitance C1, the 3rd switching valve Q3, the 5th inductance L 5 and the 3rd capacitor C 3 consisted of loops, and energy is transferred in the 5th inductance L 5 and the 3rd capacitor C 3 by the first dc-link capacitance C1.When control signal invA+ is low, when invA-was high, the second dc-link capacitance C2, the 3rd capacitor C 3, the 5th inductance L 5 and the 4th switching valve Q4 consisted of the loop, and energy is transferred in the 5th inductance L 5 and the 3rd capacitor C 3 by the second dc-link capacitance C2.Here repeat no more with C energy transfer mode mutually for the B phase.When the voltage at the first dc-link capacitance C1 and the second dc-link capacitance C2 two ends is the 400V vdc, after the inversion process is carried out certain hour, so that the 3rd capacitor C 3, the 4th capacitor C 4 and the 5th capacitor C 5 two ends produce respectively the 220V alternating-current voltage/AC voltage, differ 120 degree between every phase.When voltage detecting circuit 1031 detects the 3rd capacitor C 3, the 4th capacitor C 4 and the 5th capacitor C 5 two ends and produces respectively the 220V alternating-current voltage/AC voltage, DSP control circuit 1032 sends signal so that master cock 10251 adhesives, elevator control cabinet is delivered in the output of three-phase inversion alternating-current voltage/AC voltage, realizes emergency service.
Referring to Fig. 7, be the elevator rescue apparatus during stoppage of power supply that provides of the utility model embodiment and the line graph of elevator control cabinet.The elevator rescue apparatus during stoppage of power supply that the present embodiment provides is connected with elevator control cabinet, and described elevator control cabinet comprises each electric parts of elevator such as elevator frequency converter and elevator control panel.
The principle of work of elevator rescue apparatus during stoppage of power supply as previously mentioned, because this enforcement adopts inverter circuit to be multiplexed with rectifying circuit, simplified circuit layout, adopt simultaneously the DSP control chip, comprehensively Information Monitoring, and stable control understand so that entire system is simple in structure, simplified the system wiring difficulty, the internal wiring of elevator control cabinet be need not to change.Here only the connection function between elevator rescue apparatus during stoppage of power supply and the elevator control cabinet is described:
Elevator control panel sends the emergency operating signal to elevator rescue apparatus during stoppage of power supply, the work of expression elevator rescue apparatus during stoppage of power supply, and elevator enters the emergency operating pattern;
Elevator control panel sends output overloading signal (for preserved signal) to elevator rescue apparatus during stoppage of power supply, and expression elevator rescue apparatus during stoppage of power supply output overloading need to carry out the elevator device weight and carry the switching of judgement signal;
Elevator control panel sends the shutdown control signal to elevator rescue apparatus during stoppage of power supply, and the expression elevator emergency operation finishes, the shutdown of notice elevator rescue apparatus during stoppage of power supply.Elevator rescue apparatus during stoppage of power supply can automatic shutdown after the time of run of setting arrives.For example the time of run of acquiescence can be made as 3 minutes.
Referring to Fig. 8, be the elevator rescue apparatus during stoppage of power supply that provides of the another embodiment of the utility model and the line graph of elevator control cabinet.The difference of the present embodiment and a upper embodiment is, in the present embodiment, the elevator control cabinet that is connected with elevator rescue apparatus during stoppage of power supply does not possess the emergency signal terminal.The elevator rescue apparatus during stoppage of power supply that the present embodiment provides is connected with elevator control cabinet, and described elevator control cabinet comprises each electric parts of elevator such as elevator frequency converter and elevator control panel.
The principle of work of elevator rescue apparatus during stoppage of power supply equally only describes the connection function between elevator rescue apparatus during stoppage of power supply and the elevator control cabinet as previously mentioned here:
After elevator rescue apparatus during stoppage of power supply started, elevator control panel sent the maintenance signal to elevator rescue apparatus during stoppage of power supply, and the expression elevator is in inspecting state;
Elevator control panel output upward signal or downgoing signal represent that elevator is in inspection travel.Generally be to export first upward signal, elevator is operation upwards, if elevator is fully loaded, elevator control panel can switch the output downgoing signal, and the control elevator moves downwards;
Elevator control panel detects the flat bed signal, can disconnect upward signal or downgoing signal, and elevator is out of service.At this moment elevator control panel output enabling signal, elevator keeps opening the door, and emits stranded passenger, behind the time-delay certain hour (as being set to 20S), the elevator rescue apparatus during stoppage of power supply shutdown; If do not detect the flat bed signal, elevator rescue apparatus during stoppage of power supply can automatic shutdown after the time of run of setting arrives.For example the time of run of acquiescence can be made as 3 minutes.The elevator rescue apparatus during stoppage of power supply that the utility model embodiment provides, in the inversion current converter, inverter circuit is multiplexed with the rectifying circuit of charger prime, simplify circuit layout, reduced design cost, adopted simultaneously intelligent dsp chip control, acquisition testing data more fully, control is more rationally stable, also more flexible, during use the elevator control cabinet internal wiring is not done change.
The above is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvement and distortion, these improvement and distortion also are considered as protection domain of the present utility model.

Claims (9)

1. an elevator rescue apparatus during stoppage of power supply is characterized in that, comprises switch unit, charging emergency unit and detection control unit;
Described charging emergency unit comprises storage battery;
The input end of described switch unit connects the three-phase four-wire system civil power, and the mouth of described switch unit connects elevator control cabinet; Described switch unit is to described elevator control cabinet output mains supply or emergency source of electrical power;
Described charging emergency unit is connected with described switch unit; During by mains-supplied, the access mains supply charges to described storage battery described charging emergency unit at elevator; When mains supply disconnects, the direct supply of described battery stores is carried out inversion, output three-phase four-wire system source of AC, and be transferred to described elevator control cabinet;
Described detection control unit is connected with described switch unit, charging emergency unit respectively; The power supply status that described detection control unit detects civil power and described storage battery sends control signal to described switch unit and described charging emergency unit.
2. elevator rescue apparatus during stoppage of power supply as claimed in claim 1 is characterized in that, described switch unit comprises contactless switch; The input end of described contactless switch connects the three-phase and four-line civil power, and the mouth of described contactless switch connects three-phase four-wire power mouth and the described elevator control cabinet of described charging emergency unit; The closure of described contactless switch is connected described detection control unit with the control end of disconnection.
3. elevator rescue apparatus during stoppage of power supply as claimed in claim 1 is characterized in that, described charging emergency unit also comprises booster converter, inversion current converter, charger and EMI Filtering unit;
Described booster converter is connected with the power output end of described storage battery, and the power supply that described storage battery is exported carries out the DC boosting conversion;
Described inversion current converter is connected with described booster converter, described charger respectively; Described charger also is connected with described storage battery; Described inversion current converter during by mains-supplied, exports the three-phase alternating current electric rectification to described charger at elevator, and when mains supply disconnects, and is the output of three-phase and four-line alternating current with the vdc inversion of described booster converter output;
Described EMI Filtering unit is connected with the mouth of described inversion current converter, described switch unit respectively, and the alternating current that inputs or outputs is carried out filtering.
4. elevator rescue apparatus during stoppage of power supply as claimed in claim 3, it is characterized in that, described booster converter comprises the first voltage transformer TX1, the first switching valve Q1, second switch pipe Q2, the first diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4, the first dc-link capacitance C1 and the second dc-link capacitance C2;
The power output end of described storage battery is connected with the input end of described the first voltage transformer TX1, and the mouth of described the first voltage transformer TX1 connects described the first dc-link capacitance C1 and described the second dc-link capacitance C2.
5. elevator rescue apparatus during stoppage of power supply as claimed in claim 4, it is characterized in that, described inversion current converter comprises the 3rd switching valve Q3, the 4th switching valve Q4, the 5th switching valve Q5, the 6th switching valve Q6, the 7th switching valve Q7, the 8th switching valve Q8, the 5th inductance L 5, the 6th inductance L 6, the 7th inductance L 7, the 3rd capacitor C 3, the 4th capacitor C 4 and the 5th capacitor C 5;
The input end of described inversion current converter connects described the first dc-link capacitance C1 and described the second dc-link capacitance C2, and the mouth of described inversion current converter connects described EMI Filtering unit.
6. elevator rescue apparatus during stoppage of power supply as claimed in claim 5 is characterized in that, described charger comprises the second voltage transformer TX2, the 9th switching valve Q9, the tenth switching valve Q10, the 5th diode D5, the 6th diode D6, the 7th diode D7 and the 6th capacitor C 6;
The input end of described charger connects described the first dc-link capacitance C1 and described the second dc-link capacitance C2; The mouth of described charger connects described storage battery.
7. such as each described elevator rescue apparatus during stoppage of power supply of claim 1 ~ 6, it is characterized in that, described EMI Filtering unit comprises master cock and ∏ mode filter, and described master cock is connected with described ∏ mode filter; The control end of described master cock is connected with described detection control unit.
8. elevator rescue apparatus during stoppage of power supply as claimed in claim 1 is characterized in that, described detection control unit comprises voltage detecting circuit and DSP control circuit.
9. elevator rescue apparatus during stoppage of power supply as claimed in claim 8, it is characterized in that, described DSP control circuit comprises the inversion control module of the inversion working process of the boosting rectifier control module of control storage battery boosting inverter process, the charge control module of controlling battery charging process and control inversion current converter.
CN 201220239569 2012-05-25 2012-05-25 Emergency device for elevator blackout CN202765998U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220239569 CN202765998U (en) 2012-05-25 2012-05-25 Emergency device for elevator blackout

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220239569 CN202765998U (en) 2012-05-25 2012-05-25 Emergency device for elevator blackout

Publications (1)

Publication Number Publication Date
CN202765998U true CN202765998U (en) 2013-03-06

Family

ID=47772587

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220239569 CN202765998U (en) 2012-05-25 2012-05-25 Emergency device for elevator blackout

Country Status (1)

Country Link
CN (1) CN202765998U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103407851A (en) * 2013-07-05 2013-11-27 王万富 Intelligent elevator detection emergency power supply rescue device
CN104386554A (en) * 2014-09-16 2015-03-04 苏州菱怡电梯有限公司 Elevator power-failure level floor device
CN105680506A (en) * 2016-01-21 2016-06-15 江苏蒙哥马利电梯有限公司 Power supply method for elevator car storage battery
CN106385101A (en) * 2016-09-22 2017-02-08 广东寰宇电子科技股份有限公司 Method and device for realizing power supply for automatic rescue device of high-power type elevator
CN107140497A (en) * 2017-07-10 2017-09-08 广州日滨科技发展有限公司 A kind of elevator rescue apparatus during stoppage of power supply and system
CN107473044A (en) * 2017-09-30 2017-12-15 广东铃木电梯有限公司 A kind of elevator device and method with function of overcoming difficulties automatically
CN108847805A (en) * 2018-06-27 2018-11-20 佛山市诺行科技有限公司 A kind of battery switching driving device of bicycle position parking apparatus

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103407851A (en) * 2013-07-05 2013-11-27 王万富 Intelligent elevator detection emergency power supply rescue device
CN104386554A (en) * 2014-09-16 2015-03-04 苏州菱怡电梯有限公司 Elevator power-failure level floor device
CN105680506A (en) * 2016-01-21 2016-06-15 江苏蒙哥马利电梯有限公司 Power supply method for elevator car storage battery
WO2017124796A1 (en) * 2016-01-21 2017-07-27 江苏蒙哥马利电梯有限公司 Power supply method for elevator car storage battery
CN106385101A (en) * 2016-09-22 2017-02-08 广东寰宇电子科技股份有限公司 Method and device for realizing power supply for automatic rescue device of high-power type elevator
CN106385101B (en) * 2016-09-22 2020-03-20 广东寰宇电子科技股份有限公司 Method and device for realizing power supply of high-power elevator automatic rescue device
CN107140497A (en) * 2017-07-10 2017-09-08 广州日滨科技发展有限公司 A kind of elevator rescue apparatus during stoppage of power supply and system
CN107140497B (en) * 2017-07-10 2019-05-17 日立楼宇技术(广州)有限公司 A kind of elevator rescue apparatus during stoppage of power supply and system
CN107473044A (en) * 2017-09-30 2017-12-15 广东铃木电梯有限公司 A kind of elevator device and method with function of overcoming difficulties automatically
CN107473044B (en) * 2017-09-30 2019-05-14 广东铃木电梯有限公司 A kind of elevator device and method with function of overcoming difficulties automatically
CN108847805A (en) * 2018-06-27 2018-11-20 佛山市诺行科技有限公司 A kind of battery switching driving device of bicycle position parking apparatus

Similar Documents

Publication Publication Date Title
CN103187772B (en) The system that electric automobile and external electric automobile are powered
CN103192726B (en) Alternating-current transmission diesel locomotive power supply system
CN103828186B (en) For the single battery electric power topology of online ups system
WO2013097823A1 (en) System for mutual chargingbetween electric vehicles and charge connector
CN104319761B (en) PV air-conditioner system and the PV air-conditioner with which
KR101306091B1 (en) Power supply connector, vehicle, and method for identifying power supply connector
CN104249630A (en) Electric automobile and system of electric automobile for outwards supplying power
WO2011095020A1 (en) Direct current variable-frequency air conditioner with solar cell
CN104092273B (en) Electric vehicle driving and charging integrated control method and electric vehicle operated with same
CN107026576A (en) Power converter
CN102265481A (en) Intuitive electronic circuit
CN103219877B (en) A kind of capacitor discharging circuit and changer
JP2010213560A (en) Charging system for electric vehicle
JP2014212655A (en) Power control system, power control device, and control method of power control system
CN103312139B (en) A kind of starting drive of combining inverter and control method thereof
KR20150073291A (en) Power conversion device
CN103023344B (en) A kind of general intelligent grid power electronic equipment
CN205429725U (en) Many generating lines residential block power supply system based on little electric wire netting of direct current
CN104471850A (en) Multi-directional converter comprising three ports and a single transformer for electric vehicles
CN202374014U (en) High frequency link type wind and light complementary control reverse integrated device
CN201563002U (en) Communication base station standby power supply management device
CN202130954U (en) Novel elevator power failure emergency control rescue device
CN201466775U (en) Storage battery charging and discharging device
CN202993467U (en) Power source control system for solar air conditioner
CN101434359B (en) Power supply system of elevator

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model