CN1617417A - Distributing apparatus for lift and its power saving method - Google Patents
Distributing apparatus for lift and its power saving method Download PDFInfo
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- CN1617417A CN1617417A CN 200410084478 CN200410084478A CN1617417A CN 1617417 A CN1617417 A CN 1617417A CN 200410084478 CN200410084478 CN 200410084478 CN 200410084478 A CN200410084478 A CN 200410084478A CN 1617417 A CN1617417 A CN 1617417A
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- elevator
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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Abstract
An elevator product is composed of an elevator, a breaker, a fuse, input/out power supply line, a power pack and a circuit part. Two feedback power supply lines are added apart from the five-line power pack to become a seven-line power wiring, a five-pole linkage breaker is applied for the on/off of the two feedback supply lines and three-phase public network inlet wire, each feedback line is connected into the quick fuses separately for extra transcient over current protection, which increases the safety protection to feedback energy power supply lines between elevators to ensure that the feedback supply does not influence the normal operation of the elevator.
Description
Technical field
The present invention relates to a kind of lift product, especially finger is a kind of exists under the shared situation of action potential feedback at many elevators, the power supply electrical power wiring assembly of elevator energy-saving method and every elevator power supply, and, guarantee the power distribution equipment and the power-economizing method thereof of the elevator of lift facility and personal safety guaranteeing that elevator normally moves under the prerequisite.
Background technology
Lift product is a kind of load lifting means of reversible operation up and down, and load is in power consumption state when promoting, and its potential energy changed the regeneration feedback energy into by elevator main when load descended, and promptly main frame is in generating state.Traditional elevator is that this part energy is dissipated with heat energy in vain by high-power resistance.Advocate energetically under the energy-conservation situation in the current social each side, recycle thousands of day and night this feedback energy that dissipates in vain of elevators of operation be the new problem that elevator industry faces.The elevator energy that will be under the generating state flows to the elevator that is under the power consumption state, is the minimum most economical feasible power save mode of investment at present.But this feedback energy between the elevator is not only bidirectional reversible, and voltage may surpass public network voltage, and power reaches multikilowatt, and the hidden danger that easily causes the accident can not be ignored.
The driving style of most elevators in the market all is to adopt frequency control way, needs the special-purpose interchange-AC/DC frequency converter of elevator to realize.The principle of such frequency converter is to be direct current with the rectification of public network AC power, again direct current is modulated into the alternating current drive motor of variable frequency by inverter, the electric energy reverse flow is a direct current through the inverter counter modulation under the electric power generation state, this part direct current energy is accumulated to a certain degree and must be discharged by the power consumption approach, is for example discharged by resistance etc.
Summary of the invention
In order to overcome above-mentioned weak point, it is seven line system power distribution equipments that main purpose of the present invention aims to provide a kind of elevator main power source, is the power distribution equipment and the power-economizing method thereof of the elevator of the security protection of feedback energy power circuit between having increased elevator on traditional five-wire system distribution system basis.
The technical problem to be solved in the present invention is: should solve controlling and the safety prevention measure problem of feedback energy power circuit between the elevator, solve regeneration feedback energy between the elevator again and share mutually and utilize, make it to reach technical problems such as energy-conservation purpose.
The technical solution adopted for the present invention to solve the technical problems is: this device is by elevator, circuit breaker, fuse, the input and output power line, power pack and the circuit part parts that grade are formed, increasing anodal and feedback power line negative pole two lines of feedback power line outside the five-wire system power pack of elevator is seven line systems power supply distribution, the output of the seven line systems power supply distribution of an elevator main power source successively with the interchange A of three-phase utility network inlet wire mutually, the alternating-current B phase, exchange the C phase, earth connection, the feedback power line of zero line and another elevator input anodal and feedback power line negative pole is connected.
Two lines that the power distribution equipment of described elevator increases are the input and output power terminal line of every escalator feedback energy, the feedback power line of one elevator feedback power line positive pole and feedback power line negative pole anodal and feedback power line negative pole and another elevator interconnect, and form the loop of sealing.
The three-phase utility network inlet wire of the power distribution equipment elevator of described elevator output anodal with the feedback power line and feedback power line negative pole is connected with the input of five utmost point linked circuit breakers successively, the output of five utmost point linked circuit breakers successively with exchange A mutually, the alternating-current B phase, exchange the input that C reaches fast acting fuse mutually and be connected.
Anodal output or the while with feedback power line negative pole two lines of the power distribution equipment feedback power line of described elevator is connected with the input of five utmost point linked circuit breakers, or for one of them feedback power line is connected with an input of five utmost point linked circuit breakers, and another feeds back power line and is not connected with an input of five utmost point linked circuit breakers.
The DC loop of the power distribution equipment elevator variable frequency device of described elevator is for being connected in parallel.
Five utmost point linked circuit breakers of the power distribution equipment of described elevator or be other parts such as five utmost point linked switches.
Exist between many elevators under the kinetic energy potential energy converting and energy energy situation that feedback is shared mutually, the seven line systems power supply electrical power wiring assembly and the power-economizing method thereof of every elevator main power source, the five-wire system power supply plan that is different from general elevator, but adopt seven line system power supply plans, two lines that increase are input and output power terminal lines of every escalator feedback energy, are called for short the feedback power line; The feedback power line of many elevators is formed the loop of sealing, to realize the whole energy effect of elevator group.
Article two, the break-make of feedback power line and three-phase utility network inlet wire adopts five utmost point linked circuit breakers, and any power line is break-make separately all.
Every feedback power line inserts fast acting fuse separately and does extra instantaneous overcurrent protection.
Basic principle of the present invention is that the DC loop of every elevator variable frequency device is in addition in parallel mutually, the direct current that counter modulation under the electric power generation state forms can flow to the frequency converter DC loop of other elevator, if other elevator is in power consumption state, then needn't uses the public network power supply but directly it is modulated into variable frequency alternating current drive motor by inverter.
A kind of power-economizing method of power distribution equipment of elevator, this method utilizes the regeneration feedback energy to share mutually, the additional main power line of two between elevator feedback electric energy transmitting lines being regarded as elevator, comprise that with three-phase public network live wire the supply power mode group of zero line and earth connection is seven line systems, its concrete job step is:
Step 1. interlocking break-make
The three-phase firewire of public network and two feedback power lines adopt five utmost point linked circuit breakers to realize common break-make, and every power line is break-make separately all;
Step 2. is cut off simultaneously
After shutting down, elevator cuts off the inflow of feedback power supply simultaneously;
Step 3. safeguard protection
Feedback power line adjunction fast acting fuse, if there is the situation of overcurrent to occur, fast acting fuse is open circuit protection lift facility safety immediately.
The two-way feedback of step 4.
A), when the load of an elevator moves downwards, produce the regeneration feedback energy, anodal and feedback power line negative pole is supplied with the elevator that another is in power consumption state by the feedback power line;
B), when an elevator is in power consumption state, its energy is anodal and feedback power line negative pole by the feedback power line, moves the approach that produces regenerative braking downwards from another elevator load and obtains.
The invention has the beneficial effects as follows: the seven line system power distribution equipments of having realized the elevator main power source, it is the security protection of feedback energy power circuit between having increased elevator on traditional five-wire system distribution system basis, guarantee that the feedback power supply does not influence elevator and normally moves, and its Fault Control is in minimum zone, effectively avoided simultaneously the injury of misoperation and personal equipment again, safe and reliable, reached the energy-conservation purpose of power distribution equipment.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Accompanying drawing 1 is the present invention's seven line system power distribution equipment schematic diagrames;
Label declaration in the accompanying drawing:
1-feedback power line positive pole; A1-exchanges the A phase;
2-feedback power line negative pole B1-alternating-current B phase;
The 3-fast acting fuse; C1-exchanges the C phase;
4-five utmost point linked circuit breakers; The P1-earth connection;
The 5-elevator; The N1-zero line;
First elevator of 501-;
Second elevator of 502-;
The 3rd elevator of 503-;
Embodiment
See also shown in the accompanying drawing 1, the present invention is made up of elevator, circuit breaker, fuse, input and output power line, power pack and the circuit part parts that grade, increasing feedback power line anodal 1 and 2 liang of lines of feedback power line negative pole outside the five-wire system power pack of elevator 5 is seven line systems power supply distribution, the output of the seven line systems power supply distribution of an elevator 5 main power sources successively with the interchange A of three-phase utility network inlet wire mutually the input of A1, alternating-current B phase B1, the feedback power line anodal 1 that exchanges C phase C1, earth connection P1, zero line N1 and another elevator 5 and feedback power line negative pole 2 be connected.
Two lines that the power distribution equipment of described elevator increases are the input and output power terminal line of 5 feedback energies of every elevator, the feedback power line anodal 1 of the feedback power line of one elevator 5 anodal 1 and feedback power line negative pole 2 and another elevator 5 and feedback power line negative pole 2 interconnect, and form the loop of sealing.
For example: interconnect by feedback power line anodal 1 and feedback power line negative pole 2 between first elevator 501 among Fig. 1, second elevator 502, the 3rd elevator and the N platform elevator, form the loop of sealing.
The three-phase utility network inlet wire of the power distribution equipment elevator 5 of described elevator is connected with the input of five utmost point linked circuit breakers 4 successively with the output of feedback power line anodal 1 and feedback power line negative pole 2, and A1, alternating-current B phase B1, the input that exchanges C phase C1 and fast acting fuse 3 are connected the output of five utmost point linked circuit breakers 4 mutually with exchanging A successively;
For example: first elevator 501 5 utmost point linked circuit breaker 4 is K1 among Fig. 1, and fast acting fuse 3 is FU1; Second elevator 502 5 utmost point linked circuit breaker 4 is K2, and fast acting fuse 3 is FU2; The 3rd elevator 503 5 utmost point linked circuit breakers 4 are K3, and fast acting fuse 3 is FU3, and the like, N platform elevator D five utmost point linked circuit breakers 4 are KN, fast acting fuse 3 is FUN; The three-phase utility network inlet wire of second elevator 502 is connected with the input of five utmost point linked circuit breakers 4 successively with the output of feedback power line anodal 1 and feedback power line negative pole 2, the output of five utmost point linked circuit breakers 4 successively with exchange A A2 mutually, alternating-current B phase B2, the input that exchanges C phase C2 and fast acting fuse 3 is connected, and the like, the three-phase utility network inlet wire of N platform elevator is connected with the input of five utmost point linked circuit breakers 4 successively with the output of feedback power line anodal 1 and feedback power line negative pole 2, the output of five utmost point linked circuit breakers 4 successively with exchange A AN mutually, alternating-current B phase BN, the KN input that exchanges C phase CN and fast acting fuse 3 is connected.
The power distribution equipment feedback power line anodal 1 of described elevator and the output or the while of 2 liang of lines of feedback power line negative pole are connected with the input of five utmost point linked circuit breakers 4, or for one of them feedback power line is connected with an input of five utmost point linked circuit breakers 4, and another feeds back power line mode that can not be connected with an input of five utmost point linked circuit breakers 4.
The DC loop of power distribution equipment elevator 5 frequency converters of described elevator is for being connected in parallel.
If five utmost point linked circuit breakers 4 of the power distribution equipment of described elevator or be other parts such as five utmost point linked switches need not five utmost point linked circuit breakers 4, also can adopt the switch of any five utmost points interlock.
Exist between many elevators under the kinetic energy potential energy converting and energy energy situation that feedback is shared mutually, the seven line systems power supply electrical power wiring assembly and the power-economizing method thereof of every elevator 5 main power sources, the five-wire system power supply plan that is different from general elevator, but adopt seven line system power supply plans, two lines that increase are input and output power terminal lines of 5 feedback energies of every elevator, are called for short the feedback power line; The feedback power line of many elevators 5 is formed the loop of sealing, to realize the whole energy effect of elevator group.
Article two, the break-make of feedback power line and three-phase utility network inlet wire adopts five utmost point linked circuit breakers 4, any power line is break-make separately all, the three-phase firewire of public network and two feedback power lines adopt five utmost point linked circuit breakers to realize common break-make, and any power line is break-make separately all; The feedback power line inserts fast acting fuse separately.
Every feedback power line inserts fast acting fuse 3 separately and does extra instantaneous overcurrent protection.
Basic principle of the present invention is that the DC loop of every elevator 5 frequency converters is in addition in parallel mutually, the direct current that counter modulation under the electric power generation state forms can flow to the frequency converter DC loop of other elevator 5, if other elevator 5 is in power consumption state, then needn't uses the public network power supply but directly it is modulated into variable frequency alternating current drive motor by inverter.
Though it is a kind of practicable power save mode that the regeneration feedback energy between the elevator share to utilize mutually,, between elevator, bring the hidden danger on the safety during transmitted in both directions because its feedback electric energy can reach several hectovolts.Ignore this hidden danger and gently then shut down heavy equipment and the personal great bodily injury accident of then causing of people of closing.
For avoiding above-mentioned adverse consequences, the present invention feeds back the additional main power line that the electric energy transmitting lines are regarded elevator as with two between the elevator, comprises that with three-phase public network live wire it is seven line systems that zero line and earth connection (being commonly called as three-phase five-wire mode) supply power mode are expanded.
A kind of power-economizing method of power distribution equipment of elevator, this method utilizes the regeneration feedback energy to share mutually, the additional main power line of two between the elevator 5 feedback electric energy transmitting lines being regarded as elevator 5, comprise that with three-phase public network live wire the supply power mode group of zero line and earth connection is seven line systems, its concrete job step is:
Step 1. interlocking break-make
The three-phase firewire of public network and two feedback power lines adopt five utmost point linked circuit breakers 4 to realize common break-make, and every power line is break-make separately all;
Step 2. is cut off simultaneously
After shutting down, elevator 5 cuts off the inflow of feedback power supply simultaneously;
Step 3. safeguard protection
Feedback power line adjunction fast acting fuse 3, if there is the situation of overcurrent to occur, fast acting fuse 3 is open circuit protection elevator 5 device securities immediately.
The two-way feedback of step 4.
A), when the load of an elevator moves downwards, produce the regeneration feedback braking energy, can be by feedback power line anodal 1 and feedback power line negative pole 2, supply with another or other be in the elevator 5 of power consumption state;
B), when an elevator is in power consumption state, its energy requirement can be by feedback power line anodal 1 and feedback power line negative pole 2, the approach that produces regenerative braking from another or other elevator 5 loads operation downwards obtains.
Embodiments of the invention: as shown in Figure 1, the main power line of every elevator 5 is seven, promptly on traditional five-wire system inlet wire (A, B, C, P, N) basis, increase by two feedback power lines 1 and 2, the feedback power line of every elevator 5 closed loop that constitutes the feedback energy of whole elevator 5 in parallel is mutually shared the purpose of utilizing mutually to reach the regeneration feedback energy.
Key points in design of the present invention is not to be simple two leads that increase, and also is controlling and safety precautions of its original creation.Feedback power line 1,2 and three-phase firewire A, B, C adopt five utmost point linked circuit breakers 4 shown in the figure to implement the interlocking break-make, play the elevator start and shut down function, also cut off the inflow of feedback power supply after elevator is shut down simultaneously.Five utmost point linked circuit breakers 4 also have the overcurrent trip effect except that playing on-off action, the consequence that also can avoid following misoperation to bring simultaneously: 1) open the utility network power line and access failure feedback power line, cause losing energy-saving effect; 2) disconnect the utility network power line and do not disconnect the feedback power line, operating personnel take for and all cut off the elevator power supply, because the inflow of the feedback energy of other elevator causes equipment breakdown and personnel to get an electric shock.
Feedback power line 1,2 other adjunction fast acting fuses 3 because strong excessively feedback current gushes the people fast, cause the especially damage of frequency-changer crystal pipe of elevator 5 accurate control elements, cause the complete machine paralysis.If the situation of overcurrent occurs, fast acting fuse 3 is open circuit protection lift facility safety immediately, disconnects otherwise feedback power supply overcurrent only causes five utmost point linked circuit breakers 4, can cause that fault further enlarges if power on by force when not fixing a breakdown.
When elevator 5 has load and moves downwards, load drive motor rotation, load potential energy mechanical energy constantly discharges to motor, at this moment elevator 5 motor are equal to generator, promptly be in generating state, the potential energy of load is converted into electric energy, and this electric energy is called the regeneration feedback energy.
Claims (7)
1, a kind of power distribution equipment of elevator, this device has elevator, circuit breaker, fuse, the input and output power line, power pack and circuit part, it is characterized in that: increasing feedback power line positive pole (1) and feedback power line negative pole (2) two lines outside the five-wire system power pack of elevator (5) is seven line systems power supply distribution, seven line systems of an elevator (5) main power source power distribution output successively with the interchange A of three-phase utility network inlet wire mutually, the alternating-current B phase, exchange the C phase, earth connection, the input of feedback power line positive pole (1) of zero line and another elevator (5) and feedback power line negative pole (2) is connected.
2, the power distribution equipment of elevator according to claim 1, it is characterized in that: the input and output power terminal line that described increase by two lines are feedback energy between every elevator (5), the feedback power line positive pole (1) of the feedback power line positive pole (1) of one elevator (5) and feedback power line negative pole (2) and another elevator (5) and feedback power line negative pole (2) interconnect, and form the loop of sealing.
3, the power distribution equipment of elevator according to claim 1, it is characterized in that: the three-phase utility network inlet wire of described elevator (5) is connected with the input of five utmost point linked circuit breakers (4) successively with the output of feedback power line positive pole (1) and feedback power line negative pole (2), the output of five utmost point linked circuit breakers (4) successively with exchange A mutually, the alternating-current B phase, exchange the input that C reaches fast acting fuse (3) mutually and be connected.
4, the power distribution equipment of elevator according to claim 1, it is characterized in that: the output or the while of described feedback power line positive pole (1) and feedback power line negative pole (2) two lines are connected with the input of five utmost point linked circuit breakers (4), or for one of them feedback power line is connected with an input of five utmost point linked circuit breakers (4), and another feeds back power line and is not connected with an input of five utmost point linked circuit breakers (4).
5, the power distribution equipment of elevator according to claim 1 is characterized in that: the DC loop of described elevator (5) frequency converter is for being connected in parallel.
6, the power distribution equipment of elevator according to claim 4 is characterized in that: described five utmost point linked circuit breakers (4) or be five utmost point linked switches.
7, a kind of power-economizing method of power distribution equipment of elevator, it is characterized in that: this method utilizes the regeneration feedback energy to share mutually, the additional main power line of two between the elevator (5) feedback electric energy transmitting lines being regarded as elevator (5), comprise that with three-phase public network live wire the supply power mode group of zero line and earth connection is seven line systems, its concrete job step is:
Step 1. interlocking break-make
The three-phase firewire of public network and two feedback power lines adopt five utmost point linked circuit breakers (4) to realize common break-make, and every power line is break-make separately all;
Step 2. is cut off simultaneously
After shutting down, elevator (5) cuts off the inflow of feedback power supply simultaneously;
Step 3. safeguard protection
Feedback power line adjunction fast acting fuse (3), if there is the situation of overcurrent to occur, fast acting fuse (3) is open circuit protection elevator (5) device security immediately.
The two-way feedback of step 4.
A), when the load of an elevator (5) moves downwards, produce the regeneration feedback energy, by feedback power line positive pole (1) with feed back power line negative pole (2), supply with another elevator that is in power consumption state (5);
B), when an elevator (5) when being in power consumption state, its energy is by feedback power line positive pole (1) and feedback power line negative pole (2), obtains from the approach of another elevator (5) load operation generation downwards regenerative braking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410084478 CN1617417A (en) | 2004-11-23 | 2004-11-23 | Distributing apparatus for lift and its power saving method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410084478 CN1617417A (en) | 2004-11-23 | 2004-11-23 | Distributing apparatus for lift and its power saving method |
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| Publication Number | Publication Date |
|---|---|
| CN1617417A true CN1617417A (en) | 2005-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410084478 Pending CN1617417A (en) | 2004-11-23 | 2004-11-23 | Distributing apparatus for lift and its power saving method |
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| CN (1) | CN1617417A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111697550A (en) * | 2020-04-29 | 2020-09-22 | 宁波宏大电梯有限公司 | Main power supply loop for escalator control system |
-
2004
- 2004-11-23 CN CN 200410084478 patent/CN1617417A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111697550A (en) * | 2020-04-29 | 2020-09-22 | 宁波宏大电梯有限公司 | Main power supply loop for escalator control system |
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