CN220950687U - Elevator power supply system, circuit board assembly and elevator control cabinet - Google Patents
Elevator power supply system, circuit board assembly and elevator control cabinet Download PDFInfo
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- CN220950687U CN220950687U CN202322145788.2U CN202322145788U CN220950687U CN 220950687 U CN220950687 U CN 220950687U CN 202322145788 U CN202322145788 U CN 202322145788U CN 220950687 U CN220950687 U CN 220950687U
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- 230000002159 abnormal effect Effects 0.000 description 6
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Abstract
The embodiment of the application relates to the technical field of elevators, and discloses an elevator power supply system, a circuit board assembly and an elevator control cabinet, wherein the elevator power supply system comprises: the device comprises a first transformation unit, a second transformation unit, a first rectification unit and a second rectification unit; the first end of the first transformation unit is connected with a power supply, and the second end of the first transformation unit is connected with a safety loop; the power supply is single-phase alternating current; the first end of the first rectifying unit is connected with the power supply, the second end of the first rectifying unit is connected with the second transformation unit, and the second end of the second transformation unit is connected with the main board and the keys; the first end of the second rectifying unit is connected with the power supply, and the second end of the second rectifying unit is connected with the band-type brake coil; the power supply is also connected to the door machine. The power supply modules of a plurality of electric equipment of the elevator are integrated in one elevator power supply system, so that the occupied space of the elevator power supply system can be reduced, and the convenience of elevator maintenance is improved.
Description
Technical Field
The embodiment of the application relates to the technical field of elevators, in particular to an elevator power supply system, a circuit board assembly and an elevator control cabinet.
Background
At present, working voltages of a plurality of electric equipment in an elevator power supply system are different, so that various power supplies, such as a door machine power supply, a main control board power supply, a key power supply, a band-type brake power supply voltage and a safety loop power supply, are needed in the elevator power supply system, and a plurality of discrete power supplies are adopted in the existing elevator power supply system to respectively supply power to the electric equipment.
However, in the implementation process of the elevator power supply system, a plurality of power supplies are distributed and placed, so that the occupied space is large, and the implementation and maintenance are difficult.
Disclosure of utility model
The embodiment of the application aims to provide an elevator power supply system, a circuit board assembly and an elevator control cabinet, so that the occupied space of the elevator power supply system is reduced, and the convenience of maintenance is improved.
To solve the above technical problem, an embodiment of the present application provides an elevator power supply system, including: the device comprises a first transformation unit, a second transformation unit, a first rectification unit and a second rectification unit; the first end of the first transformation unit is connected with a power supply, and the second end of the first transformation unit is connected with a safety loop; the power supply is single-phase alternating current; the first end of the first rectifying unit is connected with the power supply, the second end of the first rectifying unit is connected with the second transformation unit, and the second end of the second transformation unit is connected with the main board and the keys; the first end of the second rectifying unit is connected with the power supply, and the second end of the second rectifying unit is connected with the band-type brake coil; the power supply is also connected to the door machine.
The embodiment of the application also provides a circuit board assembly, which comprises: the elevator power supply system.
The embodiment of the application also provides electronic equipment, which comprises: the circuit board assembly is described above.
Compared with the prior art, the elevator power supply system converts the power supply into voltages with different types and different sizes through different branches and inputs the voltages into corresponding electric equipment, so that the power supply modules of the electric equipment can be integrated in one elevator power supply system, and the occupied space of the elevator power supply system can be reduced as far as possible; when the power supply module of the electric equipment fails, the failure detection can be completed only by detecting the elevator power supply system, so that the convenience of maintenance is improved.
In addition, the elevator power supply system further includes: a power control unit; the second end of the second rectifying unit is connected with a band-type brake coil, and the band-type brake coil specifically comprises: the second end of the second rectifying unit is connected with the first end of the power control unit, and the second end of the power control unit is connected with the band-type brake coil.
In addition, the power control unit includes: a main control module, a main power module; the second end of the second rectifying unit is connected with the first end of the power control unit, and the second end of the power control unit is connected with the band-type brake coil, specifically: the first end of the main power module is connected with the second end of the second rectifying unit, and the second end of the main power module is connected with the band-type brake coil; the main control module is connected with the third end of the main power module and is used for controlling the main power module to adjust the voltage input to the band-type brake coil.
In addition, the power control unit further includes: a bus voltage detection module; the first end of the bus voltage detection module is connected with the second end of the second rectifying unit, and the second end of the bus voltage detection module is connected with the main control module; and the main control module is used for controlling the main power module to stop outputting voltage to the band-type brake coil according to the condition that the voltage detected by the bus voltage detection module exceeds a preset threshold value.
In addition, the power control unit further includes: the voltage detection module and the current detection module; the second end of the main power module is connected with the band-type brake coil, and the band-type brake coil specifically comprises: the second end of the main power module is connected with the first end of the current detection module, and the second end of the current detection module is connected with the band-type brake coil; the first end of the voltage detection module is connected with the second end of the main power module, and the second end of the voltage detection module is connected with the main control module; the main control module is used for controlling the main power module to adjust the voltage input to the band-type brake coil according to the voltage detected by the voltage detection module and the current detected by the current detection module.
In addition, the elevator power supply system further includes: an overvoltage protection unit; the power supply is connected to the first voltage transformation unit, the first rectifying unit, the second rectifying unit and the door machine through the overvoltage protection unit.
In addition, the first transformation unit is a power frequency isolation transformer; the second transformation unit is a high-frequency isolation transformer.
In addition, the main control module is connected to the elevator control panel through a communication interface module.
Drawings
One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.
Fig. 1 is a schematic view of the structure of an elevator power supply system according to an embodiment of the application;
Fig. 2 is a schematic view of the structure of an elevator power supply system according to an embodiment of the application;
Fig. 3 is a schematic view of the structure of an elevator power supply system according to an embodiment of the application;
fig. 4 is a schematic view of the structure of an elevator power supply system according to an embodiment of the application;
fig. 5 is a schematic view of the structure of an elevator power supply system according to an embodiment of the application;
fig. 6 is a schematic view of the structure of an elevator power supply system according to an embodiment of the application;
fig. 7 is a schematic view of the structure of an elevator power supply system according to an embodiment of the application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the embodiments of the present application will be described in detail below with reference to the accompanying drawings. However, it will be understood by those of ordinary skill in the art that in various embodiments of the present application, numerous specific details are set forth in order to provide a thorough understanding of the present application. The claimed application may be practiced without these specific details and with various changes and modifications based on the following embodiments. The following embodiments are divided for convenience of description, and should not be construed as limiting the specific implementation of the present application, and the embodiments can be mutually combined and referred to without contradiction.
At present, the working voltages of a plurality of electric equipment in an elevator power supply system are different, so that various power supplies such as a door machine power supply, a main control board power supply, a key power supply, a band-type brake power supply and a safety loop power supply are needed in the elevator power supply system, and a plurality of discrete power supplies are adopted in the existing elevator power supply system to respectively supply power to each electric equipment; therefore, in the implementation process of the elevator power supply system, a plurality of power supplies are distributed and placed, the occupied space is large, and the problems of difficult implementation and maintenance exist.
In order to reduce the occupied space of an elevator power supply system and provide convenience for maintenance, an embodiment of the present application provides an elevator power supply system, and a specific structural schematic diagram is shown in fig. 1, where an elevator power supply system 10 includes: a first transformation unit 101, a second transformation unit 102, a first rectification unit 103 and a second rectification unit 104.
Specifically, a first end of the first voltage transformation unit 101 is connected to the power supply 100, and a second end of the first voltage transformation unit 101 is connected to the safety loop 201; the power supply 100 is single-phase alternating current; the first end of the first rectifying unit 103 is connected with the power supply 100, the second end of the first rectifying unit 103 is connected with the second transformation unit 102, and the second end of the second transformation unit 102 is connected with the main board and the keys 202; the first end of the second rectifying unit 104 is connected with the power supply 100, the second end of the second rectifying unit 104 is connected with the first end of the power control unit 105, and the second end of the power control unit 105 is connected with the band-type brake coil 203; the power supply 100 is also connected to a door motor 204.
The safety circuit 201, the main board and the key 202, the band-type brake coil 203 and the door motor 204 of the embodiment are all electric devices in the elevator, the power supply 100 is single-phase alternating current, and the single-phase alternating current needs to supply power to the safety circuit 201, the main board and the key 202, the band-type brake coil 203 and the door motor 204 in the elevator, and the single-phase alternating current is generally 220V. Wherein, the door machine 204 adopts alternating current power supply, and the working voltage of the door machine 204 is the same as the voltage of single-phase alternating current; the safety circuit 201 adopts alternating current power supply, and the power supply voltage is generally 110V, so that the first transformation unit 101 is adopted to convert 220V alternating current into 110V alternating current for the safety circuit 201 to use; the main board and the keys 202 are powered by direct current, and the power supply voltage is generally smaller and is about 24V, so that the first rectifying unit 103 is adopted to convert alternating current into direct current, and the second transforming unit 102 is adopted to convert a larger direct current point into smaller direct current for the main board and the keys 202; the band-type brake coil 203 is powered by direct current, so the second rectifying unit 104 is used in this embodiment to convert alternating current into direct current for the band-type brake coil 203.
The elevator power supply system 10 of the embodiment converts the power supply 100 into voltages with different types and different magnitudes through different branches, and inputs the voltages to corresponding electric equipment, so that power supply modules of a plurality of electric equipment can be integrated in one elevator power supply system 10, and the occupied space of the elevator power supply system 10 can be reduced as much as possible; when the power supply module of the electric equipment fails, the failure detection can be completed only by detecting the elevator power supply system 10, so that the convenience of maintenance is improved.
In one embodiment, the first transforming unit 101 is a power frequency isolation transformer; the second transforming unit 102 is a high frequency isolation transformer. According to the embodiment, the power frequency isolation transformer is connected before the safety loop 201, so that voltage can be converted into working voltage of the safety loop 201, the safety loop 201 can be isolated from other devices, and the running stability of the safety loop 201 is improved. In this embodiment, the high-frequency isolation transformer is connected before the motherboard and the key 202, so that the voltage can be converted into the working voltage of the motherboard and the key 202, and the motherboard and the key 202 can be isolated from other devices, thereby improving the operation stability of the motherboard and the key 202.
In one embodiment, as shown in fig. 2, the elevator power supply system 10 further includes: a power control unit 105; the second end of the second rectifying unit 104 is connected to the band-type brake coil 203, specifically: a second end of the second rectifying unit 104 is connected to a first end of the power control unit 105, and a second end of the power control unit 105 is connected to the band-type brake coil 203.
Because the specification of motor is different for elevator traction, the band-type brake stopper of adaptation also differs to required strong impact voltage and holding voltage, leads to band-type brake coil 203 that uses in the different elevators also different, all adopts the band-type brake power of different specification models and the band-type brake coil 203 specification adaptation that uses currently in the correlation technique, when the staff is maintaining, different elevators adopt different band-type brake coils 203, lead to the specification of band-type brake power also different, lead to the band-type brake power model many, be unfavorable for on-the-spot maintenance. Therefore, in order to further improve the convenience of maintenance, the power control unit 105 is provided, so that the same power supply can be adapted to the band-type brake coils 203 with various types, that is, the same power supply is adapted to the requirements of different strong voltage and maintenance voltage, thereby improving the convenience of maintenance.
In one embodiment, as shown in fig. 3, the power control unit 105 includes: a main control module 1051, a main power module 1052; a second end of the second rectifying unit 104 is connected to a first end of the power control unit 105, and a second end of the power control unit 105 is connected to the band-type brake coil 203, specifically: a first end of the main power module 1052 is connected with a second end of the second rectifying unit 104, and a second end of the main power module 1052 is connected with the band-type brake coil 203; the main control module 1051 is connected to the third end of the main power module 1052, and the main control module 1051 is used for controlling the main power module 1052 to adjust the voltage input to the band-type brake coil 203.
The main power module 1052 of this embodiment can adjust the voltage input to the band-type brake coil 203, and the main control module 1051 is a control module, and is used for controlling the main power module 1052, and specifically controlling the voltage input to the band-type brake coil 203 by the main power module 1052, so this embodiment provides an implementation manner of the power control unit 105, thereby implementing the requirement that the same power supply can adapt to band-type brake coils 203 of various types, that is, the same power supply is suitable for different strong impact voltages and maintenance voltages, and further improving the convenience of maintenance.
In one embodiment, as shown in fig. 4, the power control unit 105 further includes: a busbar voltage detection module 1053; the first end of the bus voltage detection module 1053 is connected with the second end of the second rectifying unit 104, and the second end of the bus voltage detection module 1053 is connected with the main control module 1051; the main control module 1051 is configured to control the main power module 1052 to stop outputting the voltage to the band-type brake coil 203 according to the condition that the voltage detected by the bus voltage detection module 1053 exceeds the preset threshold.
The bus voltage detection module 1053 of the present embodiment connects the second end of the second rectifying unit 104 with the main control module 1051, where the main control module 1051 can obtain the voltage rectified by the second rectifying unit 104 through the bus voltage detection module 1053, and the main control module 1051 can detect the voltage output by the second rectifying unit 104 according to the voltage, and control the main power module 1052 to stop outputting the voltage to the band-type brake coil 203 when the voltage exceeds a preset threshold value, so as to protect the band-type brake coil 203 that is subsequently connected under the condition of abnormal voltage.
Specifically, the magnitude of the preset threshold may be set according to actual requirements, and in some embodiments, the preset threshold may be set to 400V.
In one embodiment, as shown in fig. 5, the power control unit 105 further includes: a voltage detection module 1054 and a current detection module 1055; the second end of the main power module 1052 is connected with the band-type brake coil 203, specifically: a second end of the main power module 1052 is connected with a first end of the current detection module 1055, and a second end of the current detection module 1055 is connected with the band-type brake coil 203; the first end of the voltage detection module 1054 is connected with the second end of the main power module 1052, and the second end of the voltage detection module 1054 is connected with the main control module 1051; the main control module 1051 is configured to control the main power module 1052 to adjust the voltage input to the band-type brake coil 203 according to the voltage detected by the voltage detection module 1054 and the current detected by the current detection module 1055.
In the related art, due to the conditions of overvoltage, undervoltage, overload and short circuit, the voltage input to the band-type brake coil is abnormal, so that the band-type brake coil cannot normally operate finally. Therefore, in order to enable the band-type brake coil 203 to still operate under the conditions of overvoltage, undervoltage, overload and short circuit, the voltage detection module 1054 can obtain the voltage input to the band-type brake coil 203, the current detection module 1055 can obtain the current input to the band-type brake coil 203, and the main control module 1051 can obtain the voltage and the current input to the band-type brake coil 203 through the voltage detection module 1054 and the current detection module 1055, so that the voltage input to the band-type brake coil 203 is regulated through the main power module 1052 according to the voltage and the current input to the band-type brake coil 203, the voltage input to the band-type brake coil 203 is in a normal state, and the normal operation of the band-type brake coil 203 is ensured.
That is, this embodiment realizes the output overvoltage, undervoltage, overload, short-circuit protection function, and when the main control module 1051 obtains an abnormal state such as overvoltage, undervoltage, overload, short-circuit, etc., the main power module 1052 adjusts the voltage input to the band-type brake coil 203, and the abnormal state can be fed back to the elevator control board.
In one embodiment, as shown in fig. 6, the main control module 1051 is connected to the elevator control board 200 via the communication interface module 205.
The main control module 1051 of this embodiment can send the obtained abnormal state to the elevator control board 200 through the communication interface 205, and the elevator control board 200 can display and record the abnormal state, so that the maintenance of the staff is facilitated. Specifically, the communication interface module 205 is one of CAN, serial port, and wireless protocol.
In one embodiment, as shown in fig. 7, the elevator power supply system 10 further includes: an overvoltage protection unit 106; the power supply 100 is connected to the first transforming unit 101, the first rectifying unit 103, the second rectifying unit 104, and the door motor through an overvoltage protection unit 106.
Since the power supply 100 of single-phase alternating current may have overvoltage condition, and the electrical equipment connected subsequently is damaged, in this embodiment, the overvoltage protection unit 106 is connected after the power supply 100 of single-phase alternating current, if the voltage of the power supply 100 is too high, the overvoltage protection module 106 will automatically disconnect the power supply, so as to protect the subsequent electrical equipment. In some embodiments, the overvoltage protection unit 106 may be configured to disconnect the input power in the event that the voltage exceeds 285V.
Another aspect of the embodiment of the present application further provides a circuit board assembly, including: the elevator power supply system of any of the above embodiments.
It is to be noted that the present embodiment is a circuit board assembly embodiment corresponding to a circuit embodiment, and the present embodiment can be implemented in cooperation with the circuit embodiment. The related technical details mentioned in the circuit embodiment are still valid in this embodiment, and are not repeated here for reducing repetition. Accordingly, the related technical details mentioned in the present embodiment can also be applied to the circuit embodiment.
In addition, in order to highlight the innovative part of the present application, units less closely related to solving the technical problem presented by the present application are not introduced in the present embodiment, but it does not indicate that other units are not present in the present embodiment.
Another aspect of the embodiment of the present application also provides an elevator control cabinet, including: the circuit board assembly of the above embodiment.
The above division of various components is only for clarity of description, and it is within the protection scope of the present patent to combine one component or split some components into multiple components in implementation, so long as the same logic relationship is included.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples of carrying out the application and that various changes in form and details may be made therein without departing from the spirit and scope of the application.
Claims (10)
1. An elevator power supply system, comprising: the device comprises a first transformation unit, a second transformation unit, a first rectification unit and a second rectification unit;
The first end of the first transformation unit is connected with a power supply, and the second end of the first transformation unit is connected with a safety loop; the power supply is single-phase alternating current;
the first end of the first rectifying unit is connected with the power supply, the second end of the first rectifying unit is connected with the second transformation unit, and the second end of the second transformation unit is connected with the main board and the keys;
The first end of the second rectifying unit is connected with the power supply, and the second end of the second rectifying unit is connected with the band-type brake coil;
The power supply is also connected to the door machine.
2. The elevator power supply system of claim 1, further comprising: a power control unit;
The second end of the second rectifying unit is connected with a band-type brake coil, and the band-type brake coil specifically comprises: the second end of the second rectifying unit is connected with the first end of the power control unit, and the second end of the power control unit is connected with the band-type brake coil.
3. The elevator power supply system according to claim 2, characterized in that the power control unit comprises: a main control module, a main power module;
The second end of the second rectifying unit is connected with the first end of the power control unit, and the second end of the power control unit is connected with the band-type brake coil, specifically: the first end of the main power module is connected with the second end of the second rectifying unit, and the second end of the main power module is connected with the band-type brake coil; the main control module is connected with the third end of the main power module and is used for controlling the main power module to adjust the voltage input to the band-type brake coil.
4. The elevator power supply system of claim 3, wherein the power control unit further comprises: a bus voltage detection module;
The first end of the bus voltage detection module is connected with the second end of the second rectifying unit, and the second end of the bus voltage detection module is connected with the main control module; and the main control module is used for controlling the main power module to stop outputting voltage to the band-type brake coil according to the condition that the voltage detected by the bus voltage detection module exceeds a preset threshold value.
5. The elevator power supply system according to claim 3 or 4, characterized in that the power control unit further comprises: the voltage detection module and the current detection module;
The second end of the main power module is connected with the band-type brake coil, and the band-type brake coil specifically comprises: the second end of the main power module is connected with the first end of the current detection module, and the second end of the current detection module is connected with the band-type brake coil;
the first end of the voltage detection module is connected with the second end of the main power module, and the second end of the voltage detection module is connected with the main control module;
The main control module is used for controlling the main power module to adjust the voltage input to the band-type brake coil according to the voltage detected by the voltage detection module and the current detected by the current detection module.
6. The elevator power supply system according to any one of claims 1 to 4, characterized in that the elevator power supply system further comprises: an overvoltage protection unit;
the power supply is connected to the first voltage transformation unit, the first rectifying unit, the second rectifying unit and the door machine through the overvoltage protection unit.
7. The elevator power supply system of claim 1, wherein the first transformation unit is a power frequency isolation transformer; the second transformation unit is a high-frequency isolation transformer.
8. The elevator power supply system of claim 3, wherein the main control module is connected to an elevator control board through a communication interface module.
9. A circuit board assembly comprising the elevator power supply system of any of claims 1-8.
10. An elevator control cabinet comprising the circuit board assembly of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322145788.2U CN220950687U (en) | 2023-08-09 | 2023-08-09 | Elevator power supply system, circuit board assembly and elevator control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322145788.2U CN220950687U (en) | 2023-08-09 | 2023-08-09 | Elevator power supply system, circuit board assembly and elevator control cabinet |
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| CN220950687U true CN220950687U (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202322145788.2U Active CN220950687U (en) | 2023-08-09 | 2023-08-09 | Elevator power supply system, circuit board assembly and elevator control cabinet |
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| Country | Link |
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| CN (1) | CN220950687U (en) |
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2023
- 2023-08-09 CN CN202322145788.2U patent/CN220950687U/en active Active
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