CN103199613A - Power circuit of elevator - Google Patents
Power circuit of elevator Download PDFInfo
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- CN103199613A CN103199613A CN2013100975223A CN201310097522A CN103199613A CN 103199613 A CN103199613 A CN 103199613A CN 2013100975223 A CN2013100975223 A CN 2013100975223A CN 201310097522 A CN201310097522 A CN 201310097522A CN 103199613 A CN103199613 A CN 103199613A
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Abstract
The invention provides a power circuit of an elevator. The power circuit of the elevator comprises a first power module, a second power module and an electronic switch, wherein the first power module comprises a first output end, the first output end provides a first output power supply, the second power module comprises a second output end, the second output end provides a second output power supply, the first output end is connected with the second output end though the electronic switch, and the electronic switch is conducted when the second output power supply works abnormally.
Description
Technical field
The present invention relates to a kind of elevator supply technology, relate in particular to a kind of elevator power circuit.
Background technology
The common master control power supply of present elevator supply system and hoistway power supply are respectively separate, when hoistway power supply irregular working, the battery of hoistway power supply need discharge for a long time for systems such as emergency reliefs, and described long-time discharge condition causes battery to damage easily.
Summary of the invention
The present invention mainly solves the easy problem of damaging of battery of existing elevator supply system.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses a kind of elevator power circuit, described elevator power circuit comprises first power module, second source module and electronic switch, described first power module comprises first output, described first output provides first out-put supply, described second source module comprises second output, described second output provides second out-put supply, described first output is connected to described second output by described electronic switch, the conducting when the described second out-put supply irregular working of wherein said electronic switch.
In a preferred embodiment of the present invention, described electronic switch comprises diode.
In a preferred embodiment of the present invention, described first power module also comprises the first electromagnetic interference filter unit, first power factor correction unit, power switch unit, first voltage transformation unit and first rectification filtering unit that connects successively, and wherein said first rectification filtering unit further is connected to described first output.
In a preferred embodiment of the present invention, described first power module also comprises continuous conduction mode Power Factor Correction Control unit, and described continuous conduction mode Power Factor Correction Control unit is connected to described first power factor correction unit.
In a preferred embodiment of the present invention, described first power module also comprises LLC resonance control unit, and described resonance control unit is connected to described power switch unit.
In a preferred embodiment of the present invention, described second source module also comprises the second electromagnetic interference filter unit, second power factor correction unit, pulse-width modulation switch unit, second voltage transformation unit and second rectification filtering unit, and wherein said second rectification filtering unit further is connected to described second output.
In a preferred embodiment of the present invention, described second source module also comprises critical conduction mode power factor correction and Semi-resonance control unit, and described critical conduction mode power factor correction and Semi-resonance control unit are connected to described second power factor correction unit and described pulse-width modulation switch unit.
In a preferred embodiment of the present invention, described elevator power circuit also comprises first group of input voltage and second group of input voltage, and described first group of input voltage and described second group of input voltage are coupled to described first power module and described second source module respectively.
In a preferred embodiment of the present invention, described elevator power circuit also comprises uninterruptible power system, and described uninterruptible power system is coupled to described first power module.
Compared to prior art, elevator power circuit of the present invention arranges electronic switch between described first power module and described second source module, the out-put supply of described first power module can be for being provided to the output of described second source module by described electronic switch when the undesired output of described second source module, provide charging current with the battery to the second source module, avoid described battery to be in long-time discharge condition and cause battery to damage.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings, wherein:
Fig. 1 is the electrical block diagram of elevator power circuit one preferred embodiment provided by the invention.
Embodiment
To the technical scheme in the embodiment of the invention be clearly and completely described below, obviously, described embodiment only is a part of embodiment of the present invention, 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 all other embodiment that obtain under the creative work prerequisite.
The present invention discloses a kind of elevator power circuit, sees also Fig. 1, and it is the electrical block diagram of a kind of embodiment of elevator power circuit provided by the invention.Described elevator power circuit can be applied in apparatus for controlling elevator, and is arranged on elevator control cabinet inside.
Described elevator power circuit 100 comprises first power module 110, second source module 120 and electronic switch 130.Described elevator power circuit 100 adopts the 380V three-phase alternating current as the input power cord road, and described input power cord road comprises two-way live wire (L) and one road zero line (N), thereby forms two groups of input voltages, and wherein, every group of voltage is 220V.Described two groups of input voltages are coupled to described first power module 110 and second source module 120 respectively, be used to described first power module 110 and described second source module 120 that the input power supply is provided, for ease of describing, below respectively described two groups of input voltages are called first group of input voltage and second group of input voltage.And, described elevator power circuit 100 also comprises a uninterruptible power system (Uninterruptible Power System, UPS) as stand-by power supply, described UPS stand-by power supply offers first power module 110, in order to prevent that electrical network from not providing when power supply, this application still can keep the power supply of certain hour.
Described first power module 110 comprises first electromagnetic interference (Electromagnetic Interference; EMI) filter unit 111; first power factor correction (Power Factor Correction; PFC) unit 112; power switches (Power Switching) unit 113; first voltage transformation unit 114; first rectification filtering unit 115; synchronous filtering control unit 116; continuous conduction mode (Continuous Conduction Mode, CCM) the PFC control unit 117; LLC resonance control unit 118; first detecting unit 151; first coupler 152; first Overvoltage protecting unit 153; second coupler 154 and first output 119.
Wherein, a described EMI filter unit 111, a described PFC unit 112, described power switch unit 113, described first voltage transformation unit 114, described first rectification filtering unit 115 and described first output 119 are connected successively.Described CCM FPC control unit 117 is connected to a described PFC unit 112, is used for adopting continuous conduction mode that a described PFC unit 112 is carried out PFC control.Described synchronous filtering control unit 116 is connected to described first rectification filtering unit 115, is used for described first rectification filtering unit 115 is carried out synchronous filtering control.
Described first detecting unit 151 is connected to described first output 119, and is connected to described LLC resonance control unit 118 by described first coupler 152.Described first Overvoltage protecting unit 153 is connected to described first output 119 equally, and is connected to described LLC resonance control unit 118 by described second coupler 154.Described LLC resonance control unit 118 further is connected to described power switch unit 113, is used for the feedback according to described first detecting unit 151 and described first Overvoltage protecting unit 153, and described power switch unit 113 is carried out the control of LLC resonance.
Described first group of input voltage is input to a described EMI filter unit 111, processing through a described EMI filter unit 111, a described PFC unit 112, described power switch unit 113, described first voltage transformation unit 114 and described first rectification filtering unit 115, form first via out-put supply (24V, 10A), and by described first output 119 export.
Described second source module 120 comprises the 2nd EMI filtering 121, the 2nd PFC unit 122, pulse-width modulation (Pulse Width Modulation; PWM) switch unit 123, second voltage cell 124, second rectification filtering unit 125, critical conduction mode (Boundary Conduction Mode, BCM) PFC and Semi-resonance control unit 127, second detecting unit 155, the 3rd coupler 156, second Overvoltage protecting unit 157, the 4th coupler 158 and second output 129.
Wherein, described the 2nd EMI filter unit 121, described the 2nd PFC unit 112, described PWM switch unit 123, described second voltage cell 124, described second rectification filtering unit 125 and described second output 129 are connected successively.Described second detecting unit 155 is connected to described second output 129, and is connected to described BCM PFC and Semi-resonance control unit 127 by described the 3rd coupler 156.Described second Overvoltage protecting unit 157 is connected to described second output 129 equally, and is connected to described BCM PFC and Semi-resonance control unit 127 by described the 4th coupler 158.Described BCM PFC and Semi-resonance control unit 127 further are connected to described the 2nd PFC unit 122 and described PWM switch unit 123; be used for the feedback according to described first detecting unit 151 and described first Overvoltage protecting unit 153; adopt critical conduction mode that described the 2nd PFC unit 122 is carried out PFC control, and described PWM switch unit 123 is carried out the control of LLC resonance.
Described second group of input voltage is input to described the 2nd EMI filter unit 121, processing through described the 2nd EMI filter unit 121, described the 2nd PFC unit 122, described PWM switch unit 113, described second voltage transformation unit 124 and described second rectification filtering unit 125, form the second road out-put supply (24V, 3A), and by described second output 129 export.
Wherein, described first via out-put supply and described the second road out-put supply adopt and export altogether, described first via out-put supply can be used as the master control power supply of elevator device, and the second road out-put supply can be used as the power supply of elevator device hoistway, described hoistway power supply provides power supply for activities such as elevator maintenance, described second output can also be connected with battery simultaneously, thereby makes described the second road out-put supply can offer described battery charge.Described battery is that machine room intercom system etc. is powered, and guarantees that when elevator supply breaks down elevator passenger can be got in touch by rescue system and the external world, asks for help, and also evacuates stranded passenger for rescue accurate information is provided.
Interconnect by electronic switch 130 between described first output 119 and described second output 129, described electronic switch 130 can be diode.Described first output 119 and described second output 129 are under normal output situation, and described electronic switch 130 ends, and described battery are not charged with the first via out-put supply that guarantees 119 outputs of described first output.And described electronic switch 130 conductings when described the second road out-put supply irregular working, thereby make described first via out-put supply to prevent that described battery is in long-time discharge condition and causes battery to damage by described electronic switch 130 for described battery provides charging current.
Elevator power circuit provided by the invention is compared to elevator power supply in the market, and is more safe and reliable, when accomplishing two-way output, adds the UPS stand-by power supply, guaranteed the continuation of power supply.Described elevator power circuit uses material less, has saved production cost, is conducive to marketing.Simultaneously, described elevator circuit construction of electric power compactness has taken less space resources, can reduce the requirement to the control cubicle volume, is conducive to do littler, more practical control cubicle; In addition, adopt described elevator power circuit can obtain the out-put supply that two-way has preferable efficient, can reach 88% and 90% respectively, and power factor is all greater than 0.9.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes description of the present invention to do; or directly or indirectly be used in other relevant technical field, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. elevator power circuit, it is characterized in that, comprise first power module, second source module and electronic switch, described first power module comprises first output, described first output provides first out-put supply, and described second source module comprises second output, and described second output provides second out-put supply, described first output is connected to described second output by described electronic switch, the conducting when the described second out-put supply irregular working of wherein said electronic switch.
2. elevator power circuit according to claim 1 is characterized in that, described electronic switch is diode.
3. elevator power circuit according to claim 1, it is characterized in that, described first power module also comprises the first electromagnetic interference filter unit, first power factor correction unit, power switch unit, first voltage transformation unit and first rectification filtering unit that connects successively, and wherein said first rectification filtering unit further is connected to described first output.
4. elevator power circuit according to claim 3 is characterized in that, described first power module also comprises the synchronous rectification control unit, and described synchronous rectification control unit is connected to described first rectification filtering unit.
5. elevator power circuit according to claim 4, it is characterized in that, described first power module also comprises continuous conduction mode Power Factor Correction Control unit, and described continuous conduction mode Power Factor Correction Control unit is connected to described first power factor correction unit.
6. elevator power circuit according to claim 5 is characterized in that, described first power module also comprises LLC resonance control unit, and described resonance control unit is connected to described power switch unit.
7. elevator power circuit according to claim 1, it is characterized in that, described second source module also comprises the second electromagnetic interference filter unit, second power factor correction unit, pulse-width modulation switch unit, second voltage transformation unit and second rectification filtering unit, and wherein said second rectification filtering unit further is connected to described second output.
8. elevator power circuit according to claim 7, it is characterized in that, described second source module also comprises critical conduction mode power factor correction and Semi-resonance control unit, and described critical conduction mode power factor correction and Semi-resonance control unit are connected to described second power factor correction unit and described pulse-width modulation switch unit.
9. according to each described elevator power circuit of claim 1 to 8, it is characterized in that, also comprise first group of input voltage and second group of input voltage, described first group of input voltage and described second group of input voltage are coupled to described first power module and described second source module respectively.
10. elevator power circuit according to claim 9 is characterized in that, also comprises uninterruptible power system, and described uninterruptible power system is coupled to described first power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310097522.3A CN103199613B (en) | 2013-03-25 | 2013-03-25 | Power circuit of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310097522.3A CN103199613B (en) | 2013-03-25 | 2013-03-25 | Power circuit of elevator |
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| Publication Number | Publication Date |
|---|---|
| CN103199613A true CN103199613A (en) | 2013-07-10 |
| CN103199613B CN103199613B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310097522.3A Active CN103199613B (en) | 2013-03-25 | 2013-03-25 | Power circuit of elevator |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001019310A (en) * | 1999-07-13 | 2001-01-23 | Kitagawa Ind Co Ltd | Elevator |
| US20030080625A1 (en) * | 2001-10-29 | 2003-05-01 | International Business Machines Corporation | Low cost redundant AC to DC power supply |
| CN201412739Y (en) * | 2009-04-02 | 2010-02-24 | 王红亚 | Led traffic light |
| CN102624085A (en) * | 2011-07-26 | 2012-08-01 | 苏州市龙源电力工程有限公司 | Alternating-current and direction-current (AC-DC) integrated power supply system and DC power supply cabinet |
| CN102710010A (en) * | 2012-05-23 | 2012-10-03 | 华为技术有限公司 | Power supply equipment |
-
2013
- 2013-03-25 CN CN201310097522.3A patent/CN103199613B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001019310A (en) * | 1999-07-13 | 2001-01-23 | Kitagawa Ind Co Ltd | Elevator |
| US20030080625A1 (en) * | 2001-10-29 | 2003-05-01 | International Business Machines Corporation | Low cost redundant AC to DC power supply |
| CN201412739Y (en) * | 2009-04-02 | 2010-02-24 | 王红亚 | Led traffic light |
| CN102624085A (en) * | 2011-07-26 | 2012-08-01 | 苏州市龙源电力工程有限公司 | Alternating-current and direction-current (AC-DC) integrated power supply system and DC power supply cabinet |
| CN102710010A (en) * | 2012-05-23 | 2012-10-03 | 华为技术有限公司 | Power supply equipment |
Non-Patent Citations (1)
| Title |
|---|
| 徐新林: "基于直接功率控制的三相电压型PWM逆变器的研究", 《中国优秀硕士学位论文全文数据库（电子期刊）》, no. 2, 15 February 2013 (2013-02-15), pages 10 - 15 * |
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| Publication number | Publication date |
|---|---|
| CN103199613B (en) | 2016-06-08 |
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Address after: 528400 Guangdong city in Zhongshan Province, Eastern Croucher Road No. 19 Patentee after: Guangdong Chameni technology Limited by Share Ltd Address before: Second the 528462 industrial zones in Guangdong province Zhongshan City Eastern Croucher Bridge Patentee before: G-Technologies Co., Ltd. |
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Inventor after: Zhong Changzheng Inventor after: Alexander.Klein Inventor after: Li Zhijun Inventor before: Zhong Changzheng Inventor before: Alexander.Klein |
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