CN212012269U - Non-contact inductive power supply system of construction elevator - Google Patents
Non-contact inductive power supply system of construction elevator Download PDFInfo
- Publication number
- CN212012269U CN212012269U CN202020719262.4U CN202020719262U CN212012269U CN 212012269 U CN212012269 U CN 212012269U CN 202020719262 U CN202020719262 U CN 202020719262U CN 212012269 U CN212012269 U CN 212012269U
- Authority
- CN
- China
- Prior art keywords
- triode
- circuit
- transformer
- power supply
- capacitor
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Images
Landscapes
- Elevator Control (AREA)
Abstract
The utility model discloses a contactless response power supply system of construction elevator, include: the device comprises an induction power supply device, an external insulated conductor, a non-contact inductor and a direct current inverter; the induction power supply device is connected with the outer insulated conductor; the non-contact inductor generates direct current by induction close to the outer insulated conductor; the direct current inverter is respectively connected with the non-contact inductor and the direct current inverter; the power supply device is connected with the elevator operation module through a transformer circuit, and power is supplied in a non-contact induction manner; the safety is enhanced, the installation is convenient, the power supply faults of the construction elevator in the use process are reduced, and the use efficiency is improved; the utility model discloses can be used to the construction elevator power supply.
Description
Technical Field
The utility model relates to a construction elevator technical field especially relates to a non-contact response power supply system of construction elevator.
Background
The construction elevator is also called construction elevator, and is a construction machine for carrying people and goods and frequently used in buildings. The power supply mode of the traditional construction hoist is cable power supply or sliding contact line power supply, the construction hoist adopting two power supply modes has a lot of defects, the load of the construction hoist can be increased due to the cable power supply, and the phenomena of twisting and core breaking can easily occur in the follow-up power supply cable. Although the load of the construction elevator is not increased when the trolley line supplies power, the rainproof and moistureproof performance of the construction elevator is poor, the electric leakage is easy to occur, the voltage drop is large when the connector supplies power more, and the electricity-taking electric brush directly contacts with the conductor to slide and take electricity, so that the heating and poor contact are easy to occur. The use safety and the efficiency of the existing construction elevator are greatly reduced after the existing construction elevator breaks down.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a construction elevator's contactless response power supply system to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.
The purpose of the utility model is realized by adopting the following technical scheme: a contactless inductive power supply system for a construction hoist, comprising: the circuit comprises an inverter circuit, a transformer circuit, a rectifying circuit, a filter circuit and a voltage stabilizing circuit; the inverter circuit is respectively connected with the power grid voltage and the transformer circuit; the rectifying circuit is respectively connected with the transformer circuit and the filter circuit; the voltage stabilizing circuit is respectively connected with the filter circuit and the elevator operation module;
the inverter circuit comprises a first port and a second port;
the transformer circuit comprises a transformer and an inductor, the upper end of a primary winding of the transformer is connected with a first port of the inverter circuit, and the lower end of the primary winding of the transformer is connected with a second port of the inverter circuit; the upper end of the secondary winding of the transformer is connected with the left end of the inductor; the lower end of the secondary winding of the transformer is connected with a first current input end of the rectifying circuit, and the right end of the inductor is connected with a second current input end of the rectifying circuit;
the voltage stabilizing circuit comprises a voltage stabilizing chip and a second capacitor; a first pin of the voltage stabilizing chip is respectively connected with the upper end of the second capacitor and the positive polarity voltage output end of the rectifying circuit; a second pin of the voltage stabilizing chip is respectively connected with the lower end of the second capacitor, the negative polarity voltage output end of the rectifying circuit and the grounding end; and a third pin of the voltage stabilizing chip is connected with the elevator operation module.
As a further improvement of the above technical solution, the inverter circuit includes a first triode, a second triode, a third triode, and a fourth triode; the collector of the first triode is respectively connected with a live wire end and the collector of the third triode; the emitter of the first triode is respectively connected with the upper end of the primary winding of the transformer and the collector of the second triode; the emitting electrode of the second triode is respectively connected with the zero line end and the emitting electrode of the fourth triode; and the emitter of the third triode is respectively connected with the collector of the fourth triode and the lower end of the primary winding of the transformer.
As a further improvement of the above technical solution, the filter circuit includes a first capacitor and a first resistor, and an upper end of the first capacitor is connected to an upper end of the first resistor and a positive polarity voltage output end of the rectifier circuit, respectively; the lower end of the first capacitor is connected with the lower end of the first resistor and the grounding end respectively.
As a further improvement of the above technical solution, the voltage stabilizing circuit further includes a third capacitor; the upper end of the third capacitor is connected with a third pin of the voltage stabilizing chip, and the lower end of the third capacitor is connected with a grounding end.
As a further improvement of the above technical solution, the first triode and the fourth triode form one phase; the second triode and the third triode form the other phase.
As a further improvement of the technical scheme, the model of the voltage stabilizing chip is LM 7824.
The utility model has the advantages that: the utility model is connected with the power supply device and the elevator operation module through the transformer circuit, and the power supply is realized in a non-contact induction way; the safety is enhanced, the installation is convenient, the power supply faults of the construction elevator in the using process are reduced, and the using efficiency is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a contactless inductive power supply system of a construction elevator provided by the present invention;
the coordinate arrows in fig. 1 indicate up, down, left, and right, respectively.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Embodiment 1, referring to fig. 1, a contactless inductive power supply system of a construction elevator includes: the circuit comprises an inverter circuit, a transformer circuit, a rectifying circuit, a filter circuit and a voltage stabilizing circuit; the inverter circuit is respectively connected with the power grid voltage and the transformer circuit; the rectifying circuit is respectively connected with the transformer circuit and the filter circuit; the voltage stabilizing circuit is connected to the filter circuit and the elevator operating module 100, respectively.
The inverter circuit comprises a first port, a second port, a first triode VT1, a second triode VT2, a third triode VT3 and a fourth triode VT 4; the collector electrode of the first triode VT1 is respectively connected with a live wire end and the collector electrode of the third triode VT 3; an emitting electrode of the first triode VT1 is respectively connected with the upper end of the primary winding of the transformer T1 and a collector electrode of the second triode VT 2; the emitting electrode of the second triode VT2 is respectively connected with the zero line end and the emitting electrode of the fourth triode VT 4; the emitter of the third triode VT3 is connected to the collector of the fourth triode VT4 and the lower end of the primary winding of the transformer T1, respectively. The first triode VT1 and the fourth triode VT4 form one phase; the second transistor VT2 and the third transistor VT3 form another phase.
The transformer circuit comprises a transformer T1 and an inductor L; the upper end of the secondary winding of the transformer T1 is connected with the left end of the inductor L; the lower end of the secondary winding of the transformer T1 is connected with a second current input end of a rectifier bridge BD 1; the right ends of the inductors L are respectively connected with a first current input end of the rectifier bridge BD 1.
The rectification circuit comprises a rectification bridge BD 1; the filter circuit comprises a first capacitor C1 and a first resistor R1; a positive polarity voltage output end of the rectifier bridge BD1 is respectively connected with the upper end of the first capacitor C1, the upper end of the first resistor R1, the upper end of the second capacitor C2 and the first pin of the voltage stabilizing chip U1; a negative-polarity voltage output end of the rectifier bridge BD1 is respectively connected to the lower end of the first capacitor C1, the lower end of the first resistor R1, the lower end of the second capacitor C2, the second pin GND of the voltage stabilizing chip U1, the lower end of the third capacitor C3, and a ground end.
The voltage stabilizing circuit comprises a voltage stabilizing chip U1, a second capacitor C2 and a third capacitor C3; a third pin of the voltage stabilizing chip U1 is connected to the upper end of the third capacitor C3 and the upper end of the elevator operating module 100; the lower end of the third capacitor C3 and the lower end of the elevator operating module 100 are connected to the ground.
The voltage stabilizing chip U1 is LM 7824.
Specifically, a forward current is output when the first transistor VT1 and the fourth transistor VT4 are simultaneously turned on (the second transistor VT2 and the third transistor VT3 are turned off); when the second triode VT2 and the third triode VT3 are simultaneously conducted (the first triode VT1 and the fourth triode VT4 are closed), negative current is output to form alternating current; the direct current is converted into a high-frequency constant-amplitude alternating current signal through the inverter circuit to drive a primary winding of the transformer T1, so that an electromagnetic field with small magnetic field intensity but high-frequency change is generated in a certain range of surrounding space. The secondary winding of the transformer T1 is positioned in the electromagnetic field, the high-frequency change of the magnetic flux of the secondary winding of the transformer T1 enables the secondary winding of the transformer T1 to generate high-frequency induced electromotive force with certain amplitude, and direct current with certain driving capability can be obtained through rectification, filtering and voltage stabilization, so that electric quantity is provided for an operating system. The primary winding and the secondary winding of the transformer T1 are not in direct contact with each other, and wireless transmission of electric energy is realized.
The utility model is connected with the power supply device and the elevator operation module through the transformer circuit, and the power supply is realized in a non-contact induction way; the safety is enhanced, the installation is convenient, the power supply faults of the construction elevator in the using process are reduced, and the using efficiency is improved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge range of those skilled in the art.
Claims (6)
1. The utility model provides a contactless inductive power supply system of construction elevator which characterized in that: the method comprises the following steps: the circuit comprises an inverter circuit, a transformer circuit, a rectifying circuit, a filter circuit and a voltage stabilizing circuit; the inverter circuit is respectively connected with the power grid voltage and the transformer circuit; the rectifying circuit is respectively connected with the transformer circuit and the filter circuit; the voltage stabilizing circuit is respectively connected with the filter circuit and the elevator operation module;
the inverter circuit comprises a first port and a second port;
the transformer circuit comprises a transformer and an inductor, the upper end of a primary winding of the transformer is connected with a first port of the inverter circuit, and the lower end of the primary winding of the transformer is connected with a second port of the inverter circuit; the upper end of the secondary winding of the transformer is connected with the left end of the inductor; the lower end of the secondary winding of the transformer is connected with a first current input end of the rectifying circuit, and the right end of the inductor is connected with a second current input end of the rectifying circuit;
the voltage stabilizing circuit comprises a voltage stabilizing chip and a second capacitor; a first pin of the voltage stabilizing chip is respectively connected with the upper end of the second capacitor and the positive polarity voltage output end of the rectifying circuit; a second pin of the voltage stabilizing chip is respectively connected with the lower end of the second capacitor, the negative polarity voltage output end of the rectifying circuit and the grounding end; and a third pin of the voltage stabilizing chip is connected with the elevator operation module.
2. The contactless inductive power supply system of a construction hoist according to claim 1, characterized in that: the inverter circuit comprises a first triode, a second triode, a third triode and a fourth triode; the collector of the first triode is respectively connected with a live wire end and the collector of the third triode; the emitter of the first triode is respectively connected with the upper end of the primary winding of the transformer and the collector of the second triode; the emitting electrode of the second triode is respectively connected with the zero line end and the emitting electrode of the fourth triode; and the emitter of the third triode is respectively connected with the collector of the fourth triode and the lower end of the primary winding of the transformer.
3. The contactless inductive power supply system of a construction hoist according to claim 1, characterized in that: the filter circuit comprises a first capacitor and a first resistor, and the upper end of the first capacitor is respectively connected with the upper end of the first resistor and the positive polarity voltage output end of the rectifying circuit; the lower end of the first capacitor is connected with the lower end of the first resistor and the grounding end respectively.
4. The contactless inductive power supply system of a construction hoist according to claim 1, characterized in that: the voltage stabilizing circuit further comprises a third capacitor; the upper end of the third capacitor is connected with a third pin of the voltage stabilizing chip, and the lower end of the third capacitor is connected with a grounding end.
5. The contactless inductive power supply system of a construction hoist according to claim 2, characterized in that: the first triode and the fourth triode form a phase; the second triode and the third triode form the other phase.
6. The contactless inductive power supply system of a construction hoist according to claim 1, characterized in that: the model of the voltage stabilizing chip is LM 7824.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020719262.4U CN212012269U (en) | 2020-04-30 | 2020-04-30 | Non-contact inductive power supply system of construction elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020719262.4U CN212012269U (en) | 2020-04-30 | 2020-04-30 | Non-contact inductive power supply system of construction elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212012269U true CN212012269U (en) | 2020-11-24 |
Family
ID=73410428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020719262.4U Active CN212012269U (en) | 2020-04-30 | 2020-04-30 | Non-contact inductive power supply system of construction elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212012269U (en) |
-
2020
- 2020-04-30 CN CN202020719262.4U patent/CN212012269U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10761148B2 (en) | Indicating circuit for switching power supply and use method thereof | |
| CN101742784A (en) | LED lamp and drive circuit thereof | |
| CN105529795A (en) | Inductive electric motor car charging device | |
| CN101997413B (en) | Power supply converter with synchronous rectifier and control method for synchronous rectifier | |
| CN212012269U (en) | Non-contact inductive power supply system of construction elevator | |
| CN101969722B (en) | LED drive circuit and LED lamp | |
| CN105490360A (en) | Mobile phone wireless charging circuit | |
| CN205753994U (en) | Multiple-output electric power and electronic equipment | |
| CN201860500U (en) | Electronic ballast for fluorescent lamp | |
| CN204538988U (en) | A kind of Switching Power Supply, frequency-variable controller and convertible frequency air-conditioner | |
| CN207369369U (en) | LED power and LED display device | |
| CN210608945U (en) | Switch voltage transformation circuit and charger | |
| CN203674772U (en) | Multi-load non-contact charging device and system for electric vehicle | |
| CN203801099U (en) | Power circuit and microwave oven | |
| CN209497399U (en) | Drive control circuit and household appliance | |
| CN108879994B (en) | Self-resonant wireless power supply device | |
| CN103475074B (en) | Unloaded low-loss battery charger | |
| CN205142020U (en) | Invertion power supply and contravariant welding machine | |
| CN106602537B (en) | A kind of voltage absorpting circuit | |
| CN205793526U (en) | LED drive power | |
| CN106253645B (en) | Emergency Lighting Supply power inverter | |
| CN219875212U (en) | Wireless power supply device | |
| CN108964287A (en) | Electric power wireless energy transfer system | |
| CN203014503U (en) | Induction-type electric energy transmission system of escalator | |
| CN104734531A (en) | Frequency converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |